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NNCProjectToken | patterns\introspection\IERC1820Registry.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC1820Registry | interface IERC1820Registry {
/**
* @dev Sets `newManager` as the manager for `account`. A manager of an
* account is able to set interface implementers for it.
*
* By default, each account is its own manager. Passing a value of `0x0` in
* `newManager` will reset the manager to this initial state.
*
* Emits a {ManagerChanged} event.
*
* Requirements:
*
* - the caller must be the current manager for `account`.
*/
function setManager(address account, address newManager) external;
/**
* @dev Returns the manager for `account`.
*
* See {setManager}.
*/
function getManager(address account) external view returns (address);
/**
* @dev Sets the `implementer` contract as `account`'s implementer for
* `interfaceHash`.
*
* `account` being the zero address is an alias for the caller's address.
* The zero address can also be used in `implementer` to remove an old one.
*
* See {interfaceHash} to learn how these are created.
*
* Emits an {InterfaceImplementerSet} event.
*
* Requirements:
*
* - the caller must be the current manager for `account`.
* - `interfaceHash` must not be an {IERC165} interface id (i.e. it must not
* end in 28 zeroes).
* - `implementer` must implement {IERC1820Implementer} and return true when
* queried for support, unless `implementer` is the caller. See
* {IERC1820Implementer-canImplementInterfaceForAddress}.
*/
function setInterfaceImplementer(address account, bytes32 interfaceHash, address implementer) external;
/**
* @dev Returns the implementer of `interfaceHash` for `account`. If no such
* implementer is registered, returns the zero address.
*
* If `interfaceHash` is an {IERC165} interface id (i.e. it ends with 28
* zeroes), `account` will be queried for support of it.
*
* `account` being the zero address is an alias for the caller's address.
*/
function getInterfaceImplementer(address account, bytes32 interfaceHash) external view returns (address);
/**
* @dev Returns the interface hash for an `interfaceName`, as defined in the
* corresponding
* https://eips.ethereum.org/EIPS/eip-1820#interface-name[section of the EIP].
*/
function interfaceHash(string calldata interfaceName) external pure returns (bytes32);
/**
* @notice Updates the cache with whether the contract implements an ERC165 interface or not.
* @param account Address of the contract for which to update the cache.
* @param interfaceId ERC165 interface for which to update the cache.
*/
function updateERC165Cache(address account, bytes4 interfaceId) external;
/**
* @notice Checks whether a contract implements an ERC165 interface or not.
* If the result is not cached a direct lookup on the contract address is performed.
* If the result is not cached or the cached value is out-of-date, the cache MUST be updated manually by calling
* {updateERC165Cache} with the contract address.
* @param account Address of the contract to check.
* @param interfaceId ERC165 interface to check.
* @return True if `account` implements `interfaceId`, false otherwise.
*/
function implementsERC165Interface(address account, bytes4 interfaceId) external view returns (bool);
/**
* @notice Checks whether a contract implements an ERC165 interface or not without using nor updating the cache.
* @param account Address of the contract to check.
* @param interfaceId ERC165 interface to check.
* @return True if `account` implements `interfaceId`, false otherwise.
*/
function implementsERC165InterfaceNoCache(address account, bytes4 interfaceId) external view returns (bool);
event InterfaceImplementerSet(address indexed account, bytes32 indexed interfaceHash, address indexed implementer);
event ManagerChanged(address indexed account, address indexed newManager);
} | /**
* @dev Interface of the global ERC1820 Registry, as defined in the
* https://eips.ethereum.org/EIPS/eip-1820[EIP]. Accounts may register
* implementers for interfaces in this registry, as well as query support.
*
* Implementers may be shared by multiple accounts, and can also implement more
* than a single interface for each account. Contracts can implement interfaces
* for themselves, but externally-owned accounts (EOA) must delegate this to a
* contract.
*
* {IERC165} interfaces can also be queried via the registry.
*
* For an in-depth explanation and source code analysis, see the EIP text.
*/ | NatSpecMultiLine | implementsERC165Interface | function implementsERC165Interface(address account, bytes4 interfaceId) external view returns (bool);
| /**
* @notice Checks whether a contract implements an ERC165 interface or not.
* If the result is not cached a direct lookup on the contract address is performed.
* If the result is not cached or the cached value is out-of-date, the cache MUST be updated manually by calling
* {updateERC165Cache} with the contract address.
* @param account Address of the contract to check.
* @param interfaceId ERC165 interface to check.
* @return True if `account` implements `interfaceId`, false otherwise.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
3413,
3519
]
} | 59,761 |
NNCProjectToken | patterns\introspection\IERC1820Registry.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC1820Registry | interface IERC1820Registry {
/**
* @dev Sets `newManager` as the manager for `account`. A manager of an
* account is able to set interface implementers for it.
*
* By default, each account is its own manager. Passing a value of `0x0` in
* `newManager` will reset the manager to this initial state.
*
* Emits a {ManagerChanged} event.
*
* Requirements:
*
* - the caller must be the current manager for `account`.
*/
function setManager(address account, address newManager) external;
/**
* @dev Returns the manager for `account`.
*
* See {setManager}.
*/
function getManager(address account) external view returns (address);
/**
* @dev Sets the `implementer` contract as `account`'s implementer for
* `interfaceHash`.
*
* `account` being the zero address is an alias for the caller's address.
* The zero address can also be used in `implementer` to remove an old one.
*
* See {interfaceHash} to learn how these are created.
*
* Emits an {InterfaceImplementerSet} event.
*
* Requirements:
*
* - the caller must be the current manager for `account`.
* - `interfaceHash` must not be an {IERC165} interface id (i.e. it must not
* end in 28 zeroes).
* - `implementer` must implement {IERC1820Implementer} and return true when
* queried for support, unless `implementer` is the caller. See
* {IERC1820Implementer-canImplementInterfaceForAddress}.
*/
function setInterfaceImplementer(address account, bytes32 interfaceHash, address implementer) external;
/**
* @dev Returns the implementer of `interfaceHash` for `account`. If no such
* implementer is registered, returns the zero address.
*
* If `interfaceHash` is an {IERC165} interface id (i.e. it ends with 28
* zeroes), `account` will be queried for support of it.
*
* `account` being the zero address is an alias for the caller's address.
*/
function getInterfaceImplementer(address account, bytes32 interfaceHash) external view returns (address);
/**
* @dev Returns the interface hash for an `interfaceName`, as defined in the
* corresponding
* https://eips.ethereum.org/EIPS/eip-1820#interface-name[section of the EIP].
*/
function interfaceHash(string calldata interfaceName) external pure returns (bytes32);
/**
* @notice Updates the cache with whether the contract implements an ERC165 interface or not.
* @param account Address of the contract for which to update the cache.
* @param interfaceId ERC165 interface for which to update the cache.
*/
function updateERC165Cache(address account, bytes4 interfaceId) external;
/**
* @notice Checks whether a contract implements an ERC165 interface or not.
* If the result is not cached a direct lookup on the contract address is performed.
* If the result is not cached or the cached value is out-of-date, the cache MUST be updated manually by calling
* {updateERC165Cache} with the contract address.
* @param account Address of the contract to check.
* @param interfaceId ERC165 interface to check.
* @return True if `account` implements `interfaceId`, false otherwise.
*/
function implementsERC165Interface(address account, bytes4 interfaceId) external view returns (bool);
/**
* @notice Checks whether a contract implements an ERC165 interface or not without using nor updating the cache.
* @param account Address of the contract to check.
* @param interfaceId ERC165 interface to check.
* @return True if `account` implements `interfaceId`, false otherwise.
*/
function implementsERC165InterfaceNoCache(address account, bytes4 interfaceId) external view returns (bool);
event InterfaceImplementerSet(address indexed account, bytes32 indexed interfaceHash, address indexed implementer);
event ManagerChanged(address indexed account, address indexed newManager);
} | /**
* @dev Interface of the global ERC1820 Registry, as defined in the
* https://eips.ethereum.org/EIPS/eip-1820[EIP]. Accounts may register
* implementers for interfaces in this registry, as well as query support.
*
* Implementers may be shared by multiple accounts, and can also implement more
* than a single interface for each account. Contracts can implement interfaces
* for themselves, but externally-owned accounts (EOA) must delegate this to a
* contract.
*
* {IERC165} interfaces can also be queried via the registry.
*
* For an in-depth explanation and source code analysis, see the EIP text.
*/ | NatSpecMultiLine | implementsERC165InterfaceNoCache | function implementsERC165InterfaceNoCache(address account, bytes4 interfaceId) external view returns (bool);
| /**
* @notice Checks whether a contract implements an ERC165 interface or not without using nor updating the cache.
* @param account Address of the contract to check.
* @param interfaceId ERC165 interface to check.
* @return True if `account` implements `interfaceId`, false otherwise.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
3850,
3963
]
} | 59,762 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | name | function name() external view returns (string memory);
| /**
* @dev Returns the name of the token.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
83,
142
]
} | 59,763 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | symbol | function symbol() external view returns (string memory);
| /**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
256,
317
]
} | 59,764 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | granularity | function granularity() external view returns (uint256);
| /**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
619,
679
]
} | 59,765 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | totalSupply | function totalSupply() external view returns (uint256);
| /**
* @dev Returns the amount of tokens in existence.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
756,
816
]
} | 59,766 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address owner) external view returns (uint256);
| /**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
910,
981
]
} | 59,767 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | send | function send(address recipient, uint256 amount, bytes calldata data) external;
| /**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
1590,
1674
]
} | 59,768 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | burn | function burn(uint256 amount, bytes calldata data) external;
| /**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
2099,
2164
]
} | 59,769 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | isOperatorFor | function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
| /**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
2428,
2524
]
} | 59,770 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | authorizeOperator | function authorizeOperator(address operator) external;
| /**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
2776,
2835
]
} | 59,771 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | revokeOperator | function revokeOperator(address operator) external;
| /**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
3106,
3162
]
} | 59,772 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | defaultOperators | function defaultOperators() external view returns (address[] memory);
| /**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
3516,
3590
]
} | 59,773 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | operatorSend | function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
| /**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
4331,
4520
]
} | 59,774 |
NNCProjectToken | patterns\token\ERC777\IERC777.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | IERC777 | interface IERC777 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the smallest part of the token that is not divisible. This
* means all token operations (creation, movement and destruction) must have
* amounts that are a multiple of this number.
*
* For most token contracts, this value will equal 1.
*/
function granularity() external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by an account (`owner`).
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* If send or receive hooks are registered for the caller and `recipient`,
* the corresponding functions will be called with `data` and empty
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function send(address recipient, uint256 amount, bytes calldata data) external;
/**
* @dev Destroys `amount` tokens from the caller's account, reducing the
* total supply.
*
* If a send hook is registered for the caller, the corresponding function
* will be called with `data` and empty `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - the caller must have at least `amount` tokens.
*/
function burn(uint256 amount, bytes calldata data) external;
/**
* @dev Returns true if an account is an operator of `tokenHolder`.
* Operators can send and burn tokens on behalf of their owners. All
* accounts are their own operator.
*
* See {operatorSend} and {operatorBurn}.
*/
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor}.
*
* Emits an {AuthorizedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function authorizeOperator(address operator) external;
/**
* @dev Make an account an operator of the caller.
*
* See {isOperatorFor} and {defaultOperators}.
*
* Emits a {RevokedOperator} event.
*
* Requirements
*
* - `operator` cannot be calling address.
*/
function revokeOperator(address operator) external;
/**
* @dev Returns the list of default operators. These accounts are operators
* for all token holders, even if {authorizeOperator} was never called on
* them.
*
* This list is immutable, but individual holders may revoke these via
* {revokeOperator}, in which case {isOperatorFor} will return false.
*/
function defaultOperators() external view returns (address[] memory);
/**
* @dev Moves `amount` tokens from `sender` to `recipient`. The caller must
* be an operator of `sender`.
*
* If send or receive hooks are registered for `sender` and `recipient`,
* the corresponding functions will be called with `data` and
* `operatorData`. See {IERC777Sender} and {IERC777Recipient}.
*
* Emits a {Sent} event.
*
* Requirements
*
* - `sender` cannot be the zero address.
* - `sender` must have at least `amount` tokens.
* - the caller must be an operator for `sender`.
* - `recipient` cannot be the zero address.
* - if `recipient` is a contract, it must implement the {IERC777Recipient}
* interface.
*/
function operatorSend(
address sender,
address recipient,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
/**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
event Sent(
address indexed operator,
address indexed from,
address indexed to,
uint256 amount,
bytes data,
bytes operatorData
);
event Minted(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData);
event Burned(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData);
event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
event RevokedOperator(address indexed operator, address indexed tokenHolder);
} | /**
* @dev Interface of the ERC777Token standard as defined in the EIP.
*
* This contract uses the
* https://eips.ethereum.org/EIPS/eip-1820[ERC1820 registry standard] to let
* token holders and recipients react to token movements by using setting implementers
* for the associated interfaces in said registry. See {IERC1820Registry} and
* {ERC1820Implementer}.
*/ | NatSpecMultiLine | operatorBurn | function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
| /**
* @dev Destoys `amount` tokens from `account`, reducing the total supply.
* The caller must be an operator of `account`.
*
* If a send hook is registered for `account`, the corresponding function
* will be called with `data` and `operatorData`. See {IERC777Sender}.
*
* Emits a {Burned} event.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
* - the caller must be an operator for `account`.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
5074,
5236
]
} | 59,775 |
HAMDelegator | contracts/token/HAMGovernance.sol | 0xa047498beaf604eaaef4f85b0085eddbb4253085 | Solidity | HAMGovernanceToken | contract HAMGovernanceToken is HAMTokenInterface {
/// @notice An event thats emitted when an account changes its delegate
event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
/// @notice An event thats emitted when a delegate account's vote balance changes
event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);
/**
* @notice Get the delegate for a delegator address
* @param delegator The address to get delegates for
*/
function delegates(address delegator)
external
view
returns (address)
{
return _delegates[delegator];
}
/**
* @notice Delegate votes from `msg.sender` to `delegatee`
* @param delegatee The address to delegate votes to
*/
function delegate(address delegatee) external {
return _delegate(msg.sender, delegatee);
}
/**
* @notice Delegates votes from signatory to `delegatee`
* @param delegatee The address to delegate votes to
* @param nonce The contract state required to match the signature
* @param expiry The time at which to expire the signature
* @param v The recovery byte of the signature
* @param r Half of the ECDSA signature pair
* @param s Half of the ECDSA signature pair
*/
function delegateBySig(
address delegatee,
uint nonce,
uint expiry,
uint8 v,
bytes32 r,
bytes32 s
)
external
{
bytes32 domainSeparator = keccak256(
abi.encode(
DOMAIN_TYPEHASH,
keccak256(bytes(name)),
getChainId(),
address(this)
)
);
bytes32 structHash = keccak256(
abi.encode(
DELEGATION_TYPEHASH,
delegatee,
nonce,
expiry
)
);
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
domainSeparator,
structHash
)
);
address signatory = ecrecover(digest, v, r, s);
require(signatory != address(0), "HAM::delegateBySig: invalid signature");
require(nonce == nonces[signatory]++, "HAM::delegateBySig: invalid nonce");
require(now <= expiry, "HAM::delegateBySig: signature expired");
return _delegate(signatory, delegatee);
}
/**
* @notice Gets the current votes balance for `account`
* @param account The address to get votes balance
* @return The number of current votes for `account`
*/
function getCurrentVotes(address account)
external
view
returns (uint256)
{
uint32 nCheckpoints = numCheckpoints[account];
return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
}
/**
* @notice Determine the prior number of votes for an account as of a block number
* @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
* @param account The address of the account to check
* @param blockNumber The block number to get the vote balance at
* @return The number of votes the account had as of the given block
*/
function getPriorVotes(address account, uint blockNumber)
external
view
returns (uint256)
{
require(blockNumber < block.number, "HAM::getPriorVotes: not yet determined");
uint32 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
// First check most recent balance
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
// Next check implicit zero balance
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
uint32 lower = 0;
uint32 upper = nCheckpoints - 1;
while (upper > lower) {
uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock == blockNumber) {
return cp.votes;
} else if (cp.fromBlock < blockNumber) {
lower = center;
} else {
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
function _delegate(address delegator, address delegatee)
internal
{
address currentDelegate = _delegates[delegator];
uint256 delegatorBalance = _hamBalances[delegator]; // balance of underlying HAMs (not scaled);
_delegates[delegator] = delegatee;
emit DelegateChanged(delegator, currentDelegate, delegatee);
_moveDelegates(currentDelegate, delegatee, delegatorBalance);
}
function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal {
if (srcRep != dstRep && amount > 0) {
if (srcRep != address(0)) {
// decrease old representative
uint32 srcRepNum = numCheckpoints[srcRep];
uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
uint256 srcRepNew = srcRepOld.sub(amount);
_writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
}
if (dstRep != address(0)) {
// increase new representative
uint32 dstRepNum = numCheckpoints[dstRep];
uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
uint256 dstRepNew = dstRepOld.add(amount);
_writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
}
}
}
function _writeCheckpoint(
address delegatee,
uint32 nCheckpoints,
uint256 oldVotes,
uint256 newVotes
)
internal
{
uint32 blockNumber = safe32(block.number, "HAM::_writeCheckpoint: block number exceeds 32 bits");
if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
} else {
checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
numCheckpoints[delegatee] = nCheckpoints + 1;
}
emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
}
function safe32(uint n, string memory errorMessage) internal pure returns (uint32) {
require(n < 2**32, errorMessage);
return uint32(n);
}
function getChainId() internal pure returns (uint) {
uint256 chainId;
assembly { chainId := chainid() }
return chainId;
}
} | delegates | function delegates(address delegator)
external
view
returns (address)
{
return _delegates[delegator];
}
| /**
* @notice Get the delegate for a delegator address
* @param delegator The address to get delegates for
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | MIT | {
"func_code_index": [
556,
703
]
} | 59,776 |
|||
HAMDelegator | contracts/token/HAMGovernance.sol | 0xa047498beaf604eaaef4f85b0085eddbb4253085 | Solidity | HAMGovernanceToken | contract HAMGovernanceToken is HAMTokenInterface {
/// @notice An event thats emitted when an account changes its delegate
event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
/// @notice An event thats emitted when a delegate account's vote balance changes
event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);
/**
* @notice Get the delegate for a delegator address
* @param delegator The address to get delegates for
*/
function delegates(address delegator)
external
view
returns (address)
{
return _delegates[delegator];
}
/**
* @notice Delegate votes from `msg.sender` to `delegatee`
* @param delegatee The address to delegate votes to
*/
function delegate(address delegatee) external {
return _delegate(msg.sender, delegatee);
}
/**
* @notice Delegates votes from signatory to `delegatee`
* @param delegatee The address to delegate votes to
* @param nonce The contract state required to match the signature
* @param expiry The time at which to expire the signature
* @param v The recovery byte of the signature
* @param r Half of the ECDSA signature pair
* @param s Half of the ECDSA signature pair
*/
function delegateBySig(
address delegatee,
uint nonce,
uint expiry,
uint8 v,
bytes32 r,
bytes32 s
)
external
{
bytes32 domainSeparator = keccak256(
abi.encode(
DOMAIN_TYPEHASH,
keccak256(bytes(name)),
getChainId(),
address(this)
)
);
bytes32 structHash = keccak256(
abi.encode(
DELEGATION_TYPEHASH,
delegatee,
nonce,
expiry
)
);
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
domainSeparator,
structHash
)
);
address signatory = ecrecover(digest, v, r, s);
require(signatory != address(0), "HAM::delegateBySig: invalid signature");
require(nonce == nonces[signatory]++, "HAM::delegateBySig: invalid nonce");
require(now <= expiry, "HAM::delegateBySig: signature expired");
return _delegate(signatory, delegatee);
}
/**
* @notice Gets the current votes balance for `account`
* @param account The address to get votes balance
* @return The number of current votes for `account`
*/
function getCurrentVotes(address account)
external
view
returns (uint256)
{
uint32 nCheckpoints = numCheckpoints[account];
return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
}
/**
* @notice Determine the prior number of votes for an account as of a block number
* @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
* @param account The address of the account to check
* @param blockNumber The block number to get the vote balance at
* @return The number of votes the account had as of the given block
*/
function getPriorVotes(address account, uint blockNumber)
external
view
returns (uint256)
{
require(blockNumber < block.number, "HAM::getPriorVotes: not yet determined");
uint32 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
// First check most recent balance
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
// Next check implicit zero balance
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
uint32 lower = 0;
uint32 upper = nCheckpoints - 1;
while (upper > lower) {
uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock == blockNumber) {
return cp.votes;
} else if (cp.fromBlock < blockNumber) {
lower = center;
} else {
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
function _delegate(address delegator, address delegatee)
internal
{
address currentDelegate = _delegates[delegator];
uint256 delegatorBalance = _hamBalances[delegator]; // balance of underlying HAMs (not scaled);
_delegates[delegator] = delegatee;
emit DelegateChanged(delegator, currentDelegate, delegatee);
_moveDelegates(currentDelegate, delegatee, delegatorBalance);
}
function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal {
if (srcRep != dstRep && amount > 0) {
if (srcRep != address(0)) {
// decrease old representative
uint32 srcRepNum = numCheckpoints[srcRep];
uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
uint256 srcRepNew = srcRepOld.sub(amount);
_writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
}
if (dstRep != address(0)) {
// increase new representative
uint32 dstRepNum = numCheckpoints[dstRep];
uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
uint256 dstRepNew = dstRepOld.add(amount);
_writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
}
}
}
function _writeCheckpoint(
address delegatee,
uint32 nCheckpoints,
uint256 oldVotes,
uint256 newVotes
)
internal
{
uint32 blockNumber = safe32(block.number, "HAM::_writeCheckpoint: block number exceeds 32 bits");
if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
} else {
checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
numCheckpoints[delegatee] = nCheckpoints + 1;
}
emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
}
function safe32(uint n, string memory errorMessage) internal pure returns (uint32) {
require(n < 2**32, errorMessage);
return uint32(n);
}
function getChainId() internal pure returns (uint) {
uint256 chainId;
assembly { chainId := chainid() }
return chainId;
}
} | delegate | function delegate(address delegatee) external {
return _delegate(msg.sender, delegatee);
}
| /**
* @notice Delegate votes from `msg.sender` to `delegatee`
* @param delegatee The address to delegate votes to
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | MIT | {
"func_code_index": [
837,
943
]
} | 59,777 |
|||
HAMDelegator | contracts/token/HAMGovernance.sol | 0xa047498beaf604eaaef4f85b0085eddbb4253085 | Solidity | HAMGovernanceToken | contract HAMGovernanceToken is HAMTokenInterface {
/// @notice An event thats emitted when an account changes its delegate
event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
/// @notice An event thats emitted when a delegate account's vote balance changes
event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);
/**
* @notice Get the delegate for a delegator address
* @param delegator The address to get delegates for
*/
function delegates(address delegator)
external
view
returns (address)
{
return _delegates[delegator];
}
/**
* @notice Delegate votes from `msg.sender` to `delegatee`
* @param delegatee The address to delegate votes to
*/
function delegate(address delegatee) external {
return _delegate(msg.sender, delegatee);
}
/**
* @notice Delegates votes from signatory to `delegatee`
* @param delegatee The address to delegate votes to
* @param nonce The contract state required to match the signature
* @param expiry The time at which to expire the signature
* @param v The recovery byte of the signature
* @param r Half of the ECDSA signature pair
* @param s Half of the ECDSA signature pair
*/
function delegateBySig(
address delegatee,
uint nonce,
uint expiry,
uint8 v,
bytes32 r,
bytes32 s
)
external
{
bytes32 domainSeparator = keccak256(
abi.encode(
DOMAIN_TYPEHASH,
keccak256(bytes(name)),
getChainId(),
address(this)
)
);
bytes32 structHash = keccak256(
abi.encode(
DELEGATION_TYPEHASH,
delegatee,
nonce,
expiry
)
);
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
domainSeparator,
structHash
)
);
address signatory = ecrecover(digest, v, r, s);
require(signatory != address(0), "HAM::delegateBySig: invalid signature");
require(nonce == nonces[signatory]++, "HAM::delegateBySig: invalid nonce");
require(now <= expiry, "HAM::delegateBySig: signature expired");
return _delegate(signatory, delegatee);
}
/**
* @notice Gets the current votes balance for `account`
* @param account The address to get votes balance
* @return The number of current votes for `account`
*/
function getCurrentVotes(address account)
external
view
returns (uint256)
{
uint32 nCheckpoints = numCheckpoints[account];
return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
}
/**
* @notice Determine the prior number of votes for an account as of a block number
* @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
* @param account The address of the account to check
* @param blockNumber The block number to get the vote balance at
* @return The number of votes the account had as of the given block
*/
function getPriorVotes(address account, uint blockNumber)
external
view
returns (uint256)
{
require(blockNumber < block.number, "HAM::getPriorVotes: not yet determined");
uint32 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
// First check most recent balance
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
// Next check implicit zero balance
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
uint32 lower = 0;
uint32 upper = nCheckpoints - 1;
while (upper > lower) {
uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock == blockNumber) {
return cp.votes;
} else if (cp.fromBlock < blockNumber) {
lower = center;
} else {
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
function _delegate(address delegator, address delegatee)
internal
{
address currentDelegate = _delegates[delegator];
uint256 delegatorBalance = _hamBalances[delegator]; // balance of underlying HAMs (not scaled);
_delegates[delegator] = delegatee;
emit DelegateChanged(delegator, currentDelegate, delegatee);
_moveDelegates(currentDelegate, delegatee, delegatorBalance);
}
function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal {
if (srcRep != dstRep && amount > 0) {
if (srcRep != address(0)) {
// decrease old representative
uint32 srcRepNum = numCheckpoints[srcRep];
uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
uint256 srcRepNew = srcRepOld.sub(amount);
_writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
}
if (dstRep != address(0)) {
// increase new representative
uint32 dstRepNum = numCheckpoints[dstRep];
uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
uint256 dstRepNew = dstRepOld.add(amount);
_writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
}
}
}
function _writeCheckpoint(
address delegatee,
uint32 nCheckpoints,
uint256 oldVotes,
uint256 newVotes
)
internal
{
uint32 blockNumber = safe32(block.number, "HAM::_writeCheckpoint: block number exceeds 32 bits");
if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
} else {
checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
numCheckpoints[delegatee] = nCheckpoints + 1;
}
emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
}
function safe32(uint n, string memory errorMessage) internal pure returns (uint32) {
require(n < 2**32, errorMessage);
return uint32(n);
}
function getChainId() internal pure returns (uint) {
uint256 chainId;
assembly { chainId := chainid() }
return chainId;
}
} | delegateBySig | function delegateBySig(
address delegatee,
uint nonce,
uint expiry,
uint8 v,
bytes32 r,
bytes32 s
)
external
{
bytes32 domainSeparator = keccak256(
abi.encode(
DOMAIN_TYPEHASH,
keccak256(bytes(name)),
getChainId(),
address(this)
)
);
bytes32 structHash = keccak256(
abi.encode(
DELEGATION_TYPEHASH,
delegatee,
nonce,
expiry
)
);
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
domainSeparator,
structHash
)
);
address signatory = ecrecover(digest, v, r, s);
require(signatory != address(0), "HAM::delegateBySig: invalid signature");
require(nonce == nonces[signatory]++, "HAM::delegateBySig: invalid nonce");
require(now <= expiry, "HAM::delegateBySig: signature expired");
return _delegate(signatory, delegatee);
}
| /**
* @notice Delegates votes from signatory to `delegatee`
* @param delegatee The address to delegate votes to
* @param nonce The contract state required to match the signature
* @param expiry The time at which to expire the signature
* @param v The recovery byte of the signature
* @param r Half of the ECDSA signature pair
* @param s Half of the ECDSA signature pair
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | MIT | {
"func_code_index": [
1362,
2498
]
} | 59,778 |
|||
HAMDelegator | contracts/token/HAMGovernance.sol | 0xa047498beaf604eaaef4f85b0085eddbb4253085 | Solidity | HAMGovernanceToken | contract HAMGovernanceToken is HAMTokenInterface {
/// @notice An event thats emitted when an account changes its delegate
event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
/// @notice An event thats emitted when a delegate account's vote balance changes
event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);
/**
* @notice Get the delegate for a delegator address
* @param delegator The address to get delegates for
*/
function delegates(address delegator)
external
view
returns (address)
{
return _delegates[delegator];
}
/**
* @notice Delegate votes from `msg.sender` to `delegatee`
* @param delegatee The address to delegate votes to
*/
function delegate(address delegatee) external {
return _delegate(msg.sender, delegatee);
}
/**
* @notice Delegates votes from signatory to `delegatee`
* @param delegatee The address to delegate votes to
* @param nonce The contract state required to match the signature
* @param expiry The time at which to expire the signature
* @param v The recovery byte of the signature
* @param r Half of the ECDSA signature pair
* @param s Half of the ECDSA signature pair
*/
function delegateBySig(
address delegatee,
uint nonce,
uint expiry,
uint8 v,
bytes32 r,
bytes32 s
)
external
{
bytes32 domainSeparator = keccak256(
abi.encode(
DOMAIN_TYPEHASH,
keccak256(bytes(name)),
getChainId(),
address(this)
)
);
bytes32 structHash = keccak256(
abi.encode(
DELEGATION_TYPEHASH,
delegatee,
nonce,
expiry
)
);
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
domainSeparator,
structHash
)
);
address signatory = ecrecover(digest, v, r, s);
require(signatory != address(0), "HAM::delegateBySig: invalid signature");
require(nonce == nonces[signatory]++, "HAM::delegateBySig: invalid nonce");
require(now <= expiry, "HAM::delegateBySig: signature expired");
return _delegate(signatory, delegatee);
}
/**
* @notice Gets the current votes balance for `account`
* @param account The address to get votes balance
* @return The number of current votes for `account`
*/
function getCurrentVotes(address account)
external
view
returns (uint256)
{
uint32 nCheckpoints = numCheckpoints[account];
return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
}
/**
* @notice Determine the prior number of votes for an account as of a block number
* @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
* @param account The address of the account to check
* @param blockNumber The block number to get the vote balance at
* @return The number of votes the account had as of the given block
*/
function getPriorVotes(address account, uint blockNumber)
external
view
returns (uint256)
{
require(blockNumber < block.number, "HAM::getPriorVotes: not yet determined");
uint32 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
// First check most recent balance
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
// Next check implicit zero balance
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
uint32 lower = 0;
uint32 upper = nCheckpoints - 1;
while (upper > lower) {
uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock == blockNumber) {
return cp.votes;
} else if (cp.fromBlock < blockNumber) {
lower = center;
} else {
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
function _delegate(address delegator, address delegatee)
internal
{
address currentDelegate = _delegates[delegator];
uint256 delegatorBalance = _hamBalances[delegator]; // balance of underlying HAMs (not scaled);
_delegates[delegator] = delegatee;
emit DelegateChanged(delegator, currentDelegate, delegatee);
_moveDelegates(currentDelegate, delegatee, delegatorBalance);
}
function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal {
if (srcRep != dstRep && amount > 0) {
if (srcRep != address(0)) {
// decrease old representative
uint32 srcRepNum = numCheckpoints[srcRep];
uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
uint256 srcRepNew = srcRepOld.sub(amount);
_writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
}
if (dstRep != address(0)) {
// increase new representative
uint32 dstRepNum = numCheckpoints[dstRep];
uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
uint256 dstRepNew = dstRepOld.add(amount);
_writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
}
}
}
function _writeCheckpoint(
address delegatee,
uint32 nCheckpoints,
uint256 oldVotes,
uint256 newVotes
)
internal
{
uint32 blockNumber = safe32(block.number, "HAM::_writeCheckpoint: block number exceeds 32 bits");
if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
} else {
checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
numCheckpoints[delegatee] = nCheckpoints + 1;
}
emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
}
function safe32(uint n, string memory errorMessage) internal pure returns (uint32) {
require(n < 2**32, errorMessage);
return uint32(n);
}
function getChainId() internal pure returns (uint) {
uint256 chainId;
assembly { chainId := chainid() }
return chainId;
}
} | getCurrentVotes | function getCurrentVotes(address account)
external
view
returns (uint256)
{
uint32 nCheckpoints = numCheckpoints[account];
return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
}
| /**
* @notice Gets the current votes balance for `account`
* @param account The address to get votes balance
* @return The number of current votes for `account`
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | MIT | {
"func_code_index": [
2688,
2940
]
} | 59,779 |
|||
HAMDelegator | contracts/token/HAMGovernance.sol | 0xa047498beaf604eaaef4f85b0085eddbb4253085 | Solidity | HAMGovernanceToken | contract HAMGovernanceToken is HAMTokenInterface {
/// @notice An event thats emitted when an account changes its delegate
event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);
/// @notice An event thats emitted when a delegate account's vote balance changes
event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);
/**
* @notice Get the delegate for a delegator address
* @param delegator The address to get delegates for
*/
function delegates(address delegator)
external
view
returns (address)
{
return _delegates[delegator];
}
/**
* @notice Delegate votes from `msg.sender` to `delegatee`
* @param delegatee The address to delegate votes to
*/
function delegate(address delegatee) external {
return _delegate(msg.sender, delegatee);
}
/**
* @notice Delegates votes from signatory to `delegatee`
* @param delegatee The address to delegate votes to
* @param nonce The contract state required to match the signature
* @param expiry The time at which to expire the signature
* @param v The recovery byte of the signature
* @param r Half of the ECDSA signature pair
* @param s Half of the ECDSA signature pair
*/
function delegateBySig(
address delegatee,
uint nonce,
uint expiry,
uint8 v,
bytes32 r,
bytes32 s
)
external
{
bytes32 domainSeparator = keccak256(
abi.encode(
DOMAIN_TYPEHASH,
keccak256(bytes(name)),
getChainId(),
address(this)
)
);
bytes32 structHash = keccak256(
abi.encode(
DELEGATION_TYPEHASH,
delegatee,
nonce,
expiry
)
);
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
domainSeparator,
structHash
)
);
address signatory = ecrecover(digest, v, r, s);
require(signatory != address(0), "HAM::delegateBySig: invalid signature");
require(nonce == nonces[signatory]++, "HAM::delegateBySig: invalid nonce");
require(now <= expiry, "HAM::delegateBySig: signature expired");
return _delegate(signatory, delegatee);
}
/**
* @notice Gets the current votes balance for `account`
* @param account The address to get votes balance
* @return The number of current votes for `account`
*/
function getCurrentVotes(address account)
external
view
returns (uint256)
{
uint32 nCheckpoints = numCheckpoints[account];
return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
}
/**
* @notice Determine the prior number of votes for an account as of a block number
* @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
* @param account The address of the account to check
* @param blockNumber The block number to get the vote balance at
* @return The number of votes the account had as of the given block
*/
function getPriorVotes(address account, uint blockNumber)
external
view
returns (uint256)
{
require(blockNumber < block.number, "HAM::getPriorVotes: not yet determined");
uint32 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
// First check most recent balance
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
// Next check implicit zero balance
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
uint32 lower = 0;
uint32 upper = nCheckpoints - 1;
while (upper > lower) {
uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock == blockNumber) {
return cp.votes;
} else if (cp.fromBlock < blockNumber) {
lower = center;
} else {
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
function _delegate(address delegator, address delegatee)
internal
{
address currentDelegate = _delegates[delegator];
uint256 delegatorBalance = _hamBalances[delegator]; // balance of underlying HAMs (not scaled);
_delegates[delegator] = delegatee;
emit DelegateChanged(delegator, currentDelegate, delegatee);
_moveDelegates(currentDelegate, delegatee, delegatorBalance);
}
function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal {
if (srcRep != dstRep && amount > 0) {
if (srcRep != address(0)) {
// decrease old representative
uint32 srcRepNum = numCheckpoints[srcRep];
uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
uint256 srcRepNew = srcRepOld.sub(amount);
_writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
}
if (dstRep != address(0)) {
// increase new representative
uint32 dstRepNum = numCheckpoints[dstRep];
uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
uint256 dstRepNew = dstRepOld.add(amount);
_writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
}
}
}
function _writeCheckpoint(
address delegatee,
uint32 nCheckpoints,
uint256 oldVotes,
uint256 newVotes
)
internal
{
uint32 blockNumber = safe32(block.number, "HAM::_writeCheckpoint: block number exceeds 32 bits");
if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
} else {
checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
numCheckpoints[delegatee] = nCheckpoints + 1;
}
emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
}
function safe32(uint n, string memory errorMessage) internal pure returns (uint32) {
require(n < 2**32, errorMessage);
return uint32(n);
}
function getChainId() internal pure returns (uint) {
uint256 chainId;
assembly { chainId := chainid() }
return chainId;
}
} | getPriorVotes | function getPriorVotes(address account, uint blockNumber)
external
view
returns (uint256)
{
require(blockNumber < block.number, "HAM::getPriorVotes: not yet determined");
uint32 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
// First check most recent balance
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
// Next check implicit zero balance
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
uint32 lower = 0;
uint32 upper = nCheckpoints - 1;
while (upper > lower) {
uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock == blockNumber) {
return cp.votes;
} else if (cp.fromBlock < blockNumber) {
lower = center;
} else {
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
| /**
* @notice Determine the prior number of votes for an account as of a block number
* @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
* @param account The address of the account to check
* @param blockNumber The block number to get the vote balance at
* @return The number of votes the account had as of the given block
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | MIT | {
"func_code_index": [
3358,
4578
]
} | 59,780 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | Controller | contract Controller {
/// @notice Called when `_owner` sends ether to the MiniMe Token contract
/// @param _owner The address that sent the ether to create tokens
/// @return True if the ether is accepted, false if it throws
function proxyPayment(address _owner) payable returns(bool);
/// @notice Notifies the controller about a token transfer allowing the
/// controller to react if desired
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) returns(bool);
/// @notice Notifies the controller about an approval allowing the
/// controller to react if desired
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount)
returns(bool);
} | /// @dev The token controller contract must implement these functions | NatSpecSingleLine | proxyPayment | function proxyPayment(address _owner) payable returns(bool);
| /// @notice Called when `_owner` sends ether to the MiniMe Token contract
/// @param _owner The address that sent the ether to create tokens
/// @return True if the ether is accepted, false if it throws | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
241,
306
]
} | 59,781 |
|
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | Controller | contract Controller {
/// @notice Called when `_owner` sends ether to the MiniMe Token contract
/// @param _owner The address that sent the ether to create tokens
/// @return True if the ether is accepted, false if it throws
function proxyPayment(address _owner) payable returns(bool);
/// @notice Notifies the controller about a token transfer allowing the
/// controller to react if desired
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) returns(bool);
/// @notice Notifies the controller about an approval allowing the
/// controller to react if desired
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount)
returns(bool);
} | /// @dev The token controller contract must implement these functions | NatSpecSingleLine | onTransfer | function onTransfer(address _from, address _to, uint _amount) returns(bool);
| /// @notice Notifies the controller about a token transfer allowing the
/// controller to react if desired
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
652,
733
]
} | 59,782 |
|
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | Controller | contract Controller {
/// @notice Called when `_owner` sends ether to the MiniMe Token contract
/// @param _owner The address that sent the ether to create tokens
/// @return True if the ether is accepted, false if it throws
function proxyPayment(address _owner) payable returns(bool);
/// @notice Notifies the controller about a token transfer allowing the
/// controller to react if desired
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) returns(bool);
/// @notice Notifies the controller about an approval allowing the
/// controller to react if desired
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount)
returns(bool);
} | /// @dev The token controller contract must implement these functions | NatSpecSingleLine | onApprove | function onApprove(address _owner, address _spender, uint _amount)
returns(bool);
| /// @notice Notifies the controller about an approval allowing the
/// controller to react if desired
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
1100,
1195
]
} | 59,783 |
|
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | Controlled | contract Controlled {
/// @notice The address of the controller is the only address that can call
/// a function with this modifier
modifier onlyController{ require(msg.sender==controller); _; }
address public controller;
function Controlled() { controller = msg.sender;}
/// @notice Changes the controller of the contract
/// @param _newController The new controller of the contract
function changeController(address _newController) onlyController {
controller = _newController;
}
} | // inspired by Zeppelin's Vested Token deriving MiniMeToken
// @dev MiniMeIrrevocableVestedToken is a derived version of MiniMeToken adding the
// ability to createTokenGrants which are basically a transfer that limits the
// receiver of the tokens. | LineComment | changeController | function changeController(address _newController) onlyController {
controller = _newController;
}
| /// @notice Changes the controller of the contract
/// @param _newController The new controller of the contract | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
429,
545
]
} | 59,784 |
|
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | MiniMeToken | function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
| ////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
2769,
3512
]
} | 59,785 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | transfer | function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
| ///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
3817,
4031
]
} | 59,786 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | transferFrom | function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
| /// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
4384,
5210
]
} | 59,787 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | doTransfer | function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
| /// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
5592,
7218
]
} | 59,788 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | balanceOf | function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
| /// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
7352,
7486
]
} | 59,789 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | approve | function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
| /// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
7888,
8839
]
} | 59,790 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | allowance | function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
| /// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
9160,
9312
]
} | 59,791 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | approveAndCall | function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
| /// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
9833,
10635
]
} | 59,792 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | totalSupply | function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
| /// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
10758,
10863
]
} | 59,793 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | balanceOfAt | function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
| ////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber` | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
11223,
12180
]
} | 59,794 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | totalSupplyAt | function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
| /// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber` | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
12393,
13320
]
} | 59,795 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | createCloneToken | function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
| ////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
14168,
14953
]
} | 59,796 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | generateTokens | function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
| ////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
15289,
15849
]
} | 59,797 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | destroyTokens | function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
| /// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
16081,
16737
]
} | 59,798 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | enableTransfers | function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
| ////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
16964,
17088
]
} | 59,799 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | getValueAt | function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
| ////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
17467,
18258
]
} | 59,800 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | updateValueAtNow | function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
| /// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
18477,
19080
]
} | 59,801 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | isContract | function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
| /// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
19251,
19485
]
} | 59,802 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeToken | contract MiniMeToken is ERC20, Controlled {
string public name; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals; //Number of decimals of the smallest unit
string public symbol; //An identifier: e.g. REP
string public version = 'MMT_0.1'; //An arbitrary versioning scheme
/// @dev `Checkpoint` is the structure that attaches a block number to a
/// given value, the block number attached is the one that last changed the
/// value
struct Checkpoint {
// `fromBlock` is the block number that the value was generated from
uint128 fromBlock;
// `value` is the amount of tokens at a specific block number
uint128 value;
}
// `parentToken` is the Token address that was cloned to produce this token;
// it will be 0x0 for a token that was not cloned
MiniMeToken public parentToken;
// `parentSnapShotBlock` is the block number from the Parent Token that was
// used to determine the initial distribution of the Clone Token
uint public parentSnapShotBlock;
// `creationBlock` is the block number that the Clone Token was created
uint public creationBlock;
// `balances` is the map that tracks the balance of each address, in this
// contract when the balance changes the block number that the change
// occurred is also included in the map
mapping (address => Checkpoint[]) balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) allowed;
// Tracks the history of the `totalSupply` of the token
Checkpoint[] totalSupplyHistory;
// Flag that determines if the token is transferable or not.
bool public transfersEnabled;
// The factory used to create new clone tokens
MiniMeTokenFactory public tokenFactory;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a MiniMeToken
/// @param _tokenFactory The address of the MiniMeTokenFactory contract that
/// will create the Clone token contracts, the token factory needs to be
/// deployed first
/// @param _parentToken Address of the parent token, set to 0x0 if it is a
/// new token
/// @param _parentSnapShotBlock Block of the parent token that will
/// determine the initial distribution of the clone token, set to 0 if it
/// is a new token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
function MiniMeToken(
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) {
tokenFactory = MiniMeTokenFactory(_tokenFactory);
name = _tokenName; // Set the name
decimals = _decimalUnits; // Set the decimals
symbol = _tokenSymbol; // Set the symbol
parentToken = MiniMeToken(_parentToken);
parentSnapShotBlock = _parentSnapShotBlock;
transfersEnabled = _transfersEnabled;
creationBlock = block.number;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) returns (bool success) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
return doTransfer(msg.sender, _to, _amount);
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) returns (bool success) {
// The controller of this contract can move tokens around at will,
// this is important to recognize! Confirm that you trust the
// controller of this contract, which in most situations should be
// another open source smart contract or 0x0
if (msg.sender != controller) {
require (transfersEnabled);
////if (!transfersEnabled) throw;
// The standard ERC 20 transferFrom functionality
assert (allowed[_from][msg.sender]>=_amount);
////if (allowed[_from][msg.sender] < _amount) throw;
allowed[_from][msg.sender] -= _amount;
}
return doTransfer(_from, _to, _amount);
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return True if the transfer was successful
function doTransfer(address _from, address _to, uint _amount
) internal returns(bool) {
if (_amount == 0) {
return true;
}
// Do not allow transfer to 0x0 or the token contract itself
require((_to!=0)&&(_to!=address(this)));
//// if ((_to == 0) || (_to == address(this))) throw;
// If the amount being transfered is more than the balance of the
// account the transfer returns false
var previousBalanceFrom = balanceOfAt(_from, block.number);
assert(previousBalanceFrom >= _amount);
// Alerts the token controller of the transfer
if (isContract(controller)) {
assert(Controller(controller).onTransfer(_from,_to,_amount));
}
// First update the balance array with the new value for the address
// sending the tokens
updateValueAtNow(balances[_from], previousBalanceFrom - _amount);
// Then update the balance array with the new value for the address
// receiving the tokens
var previousBalanceTo = balanceOfAt(_to, block.number);
assert(previousBalanceTo+_amount>=previousBalanceTo);
//// if (previousBalanceTo + _amount < previousBalanceTo) throw; // Check for overflow
updateValueAtNow(balances[_to], previousBalanceTo + _amount);
// An event to make the transfer easy to find on the blockchain
Transfer(_from, _to, _amount);
return true;
}
/// @param _owner The address that's balance is being requested
/// @return The balance of `_owner` at the current block
function balanceOf(address _owner) constant returns (uint256 balance) {
return balanceOfAt(_owner, block.number);
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the approval was successful
function approve(address _spender, uint256 _amount) returns (bool success) {
require(transfersEnabled);
// To change the approve amount you first have to reduce the addresses´
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount==0)||(allowed[msg.sender][_spender]==0));
// Alerts the token controller of the approve function call
if (isContract(controller)) {
assert(Controller(controller).onApprove(msg.sender,_spender,_amount));
// if (!Controller(controller).onApprove(msg.sender, _spender, _amount))
// throw;
}
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
/// its behalf, and then a function is triggered in the contract that is
/// being approved, `_spender`. This allows users to use their tokens to
/// interact with contracts in one function call instead of two
/// @param _spender The address of the contract able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return True if the function call was successful
function approveAndCall(address _spender, uint256 _amount, bytes _extraData
) returns (bool success) {
approve(_spender, _amount);
// This portion is copied from ConsenSys's Standard Token Contract. It
// calls the receiveApproval function that is part of the contract that
// is being approved (`_spender`). The function should look like:
// `receiveApproval(address _from, uint256 _amount, address
// _tokenContract, bytes _extraData)` It is assumed that the call
// *should* succeed, otherwise the plain vanilla approve would be used
ApproveAndCallReceiver(_spender).receiveApproval(
msg.sender,
_amount,
this,
_extraData
);
return true;
}
/// @dev This function makes it easy to get the total number of tokens
/// @return The total number of tokens
function totalSupply() constant returns (uint) {
return totalSupplyAt(block.number);
}
////////////////
// Query balance and totalSupply in History
////////////////
/// @dev Queries the balance of `_owner` at a specific `_blockNumber`
/// @param _owner The address from which the balance will be retrieved
/// @param _blockNumber The block number when the balance is queried
/// @return The balance at `_blockNumber`
function balanceOfAt(address _owner, uint _blockNumber) constant
returns (uint) {
// These next few lines are used when the balance of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.balanceOfAt` be queried at the
// genesis block for that token as this contains initial balance of
// this token
if ((balances[_owner].length == 0)
|| (balances[_owner][0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
} else {
// Has no parent
return 0;
}
// This will return the expected balance during normal situations
} else {
return getValueAt(balances[_owner], _blockNumber);
}
}
/// @notice Total amount of tokens at a specific `_blockNumber`.
/// @param _blockNumber The block number when the totalSupply is queried
/// @return The total amount of tokens at `_blockNumber`
function totalSupplyAt(uint _blockNumber) constant returns(uint) {
// These next few lines are used when the totalSupply of the token is
// requested before a check point was ever created for this token, it
// requires that the `parentToken.totalSupplyAt` be queried at the
// genesis block for this token as that contains totalSupply of this
// token at this block number.
if ((totalSupplyHistory.length == 0)
|| (totalSupplyHistory[0].fromBlock > _blockNumber)) {
if (address(parentToken) != 0) {
return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
} else {
return 0;
}
// This will return the expected totalSupply during normal situations
} else {
return getValueAt(totalSupplyHistory, _blockNumber);
}
}
function min(uint a, uint b) internal returns (uint) {
return a < b ? a : b;
}
////////////////
// Clone Token Method
////////////////
/// @notice Creates a new clone token with the initial distribution being
/// this token at `_snapshotBlock`
/// @param _cloneTokenName Name of the clone token
/// @param _cloneDecimalUnits Number of decimals of the smallest unit
/// @param _cloneTokenSymbol Symbol of the clone token
/// @param _snapshotBlock Block when the distribution of the parent token is
/// copied to set the initial distribution of the new clone token;
/// if the block is higher than the actual block, the current block is used
/// @param _transfersEnabled True if transfers are allowed in the clone
/// @return The address of the new MiniMeToken Contract
function createCloneToken(
string _cloneTokenName,
uint8 _cloneDecimalUnits,
string _cloneTokenSymbol,
uint _snapshotBlock,
bool _transfersEnabled
) returns(address) {
if (_snapshotBlock > block.number) _snapshotBlock = block.number;
MiniMeToken cloneToken = tokenFactory.createCloneToken(
this,
_snapshotBlock,
_cloneTokenName,
_cloneDecimalUnits,
_cloneTokenSymbol,
_transfersEnabled
);
cloneToken.changeController(msg.sender);
// An event to make the token easy to find on the blockchain
NewCloneToken(address(cloneToken), _snapshotBlock);
return address(cloneToken);
}
////////////////
// Generate and destroy tokens
////////////////
/// @notice Generates `_amount` tokens that are assigned to `_owner`
/// @param _owner The address that will be assigned the new tokens
/// @param _amount The quantity of tokens generated
/// @return True if the tokens are generated correctly
function generateTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply+_amount>=curTotalSupply);
updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
var previousBalanceTo = balanceOf(_owner);
assert(previousBalanceTo+_amount>=previousBalanceTo);
updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
Transfer(0, _owner, _amount);
return true;
}
/// @notice Burns `_amount` tokens from `_owner`
/// @param _owner The address that will lose the tokens
/// @param _amount The quantity of tokens to burn
/// @return True if the tokens are burned correctly
function destroyTokens(address _owner, uint _amount
) onlyController returns (bool) {
uint curTotalSupply = getValueAt(totalSupplyHistory, block.number);
assert(curTotalSupply >= _amount);
//// if (curTotalSupply < _amount) throw;
updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
var previousBalanceFrom = balanceOf(_owner);
assert(previousBalanceFrom >=_amount);
//// if (previousBalanceFrom < _amount) throw;
updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
Transfer(_owner, 0, _amount);
return true;
}
////////////////
// Enable tokens transfers
////////////////
/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone
function enableTransfers(bool _transfersEnabled) onlyController {
transfersEnabled = _transfersEnabled;
}
////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////
/// @dev `getValueAt` retrieves the number of tokens at a given block number
/// @param checkpoints The history of values being queried
/// @param _block The block number to retrieve the value at
/// @return The number of tokens being queried
function getValueAt(Checkpoint[] storage checkpoints, uint _block
) constant internal returns (uint) {
if (checkpoints.length == 0) return 0;
// Shortcut for the actual value
if (_block >= checkpoints[checkpoints.length-1].fromBlock)
return checkpoints[checkpoints.length-1].value;
if (_block < checkpoints[0].fromBlock) return 0;
// Binary search of the value in the array
uint min = 0;
uint max = checkpoints.length-1;
while (max > min) {
uint mid = (max + min + 1)/ 2;
if (checkpoints[mid].fromBlock<=_block) {
min = mid;
} else {
max = mid-1;
}
}
return checkpoints[min].value;
}
/// @dev `updateValueAtNow` used to update the `balances` map and the
/// `totalSupplyHistory`
/// @param checkpoints The history of data being updated
/// @param _value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
) internal {
if ((checkpoints.length == 0)
|| (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
newCheckPoint.fromBlock = uint128(block.number);
newCheckPoint.value = uint128(_value);
} else {
Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
oldCheckPoint.value = uint128(_value);
}
}
/// @dev Internal function to determine if an address is a contract
/// @param _addr The address being queried
/// @return True if `_addr` is a contract
function isContract(address _addr) constant internal returns(bool) {
uint size;
if (_addr == 0) return false;
assembly {
size := extcodesize(_addr)
}
return size>0;
}
/// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract
function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
////////////////
// Events
////////////////
event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
} | function () payable {
require(isContract(controller));
assert(Controller(controller).proxyPayment.value(msg.value)(msg.sender));
}
| /// @notice The fallback function: If the contract's controller has not been
/// set to 0, then the `proxyPayment` method is called which relays the
/// ether and creates tokens as described in the token controller contract | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
19729,
19888
]
} | 59,803 |
||||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeTokenFactory | contract MiniMeTokenFactory {
/// @notice Update the DApp by creating a new token with new functionalities
/// the msg.sender becomes the controller of this clone token
/// @param _parentToken Address of the token being cloned
/// @param _snapshotBlock Block of the parent token that will
/// determine the initial distribution of the clone token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
/// @return The address of the new token contract
function createCloneToken(
address _parentToken,
uint _snapshotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) returns (MiniMeToken) {
MiniMeToken newToken = new MiniMeToken(
this,
_parentToken,
_snapshotBlock,
_tokenName,
_decimalUnits,
_tokenSymbol,
_transfersEnabled
);
newToken.changeController(msg.sender);
return newToken;
}
} | ////////////////
/// @dev This contract is used to generate clone contracts from a contract.
/// In solidity this is the way to create a contract from a contract of the
/// same class | NatSpecSingleLine | createCloneToken | function createCloneToken(
address _parentToken,
uint _snapshotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) returns (MiniMeToken) {
MiniMeToken newToken = new MiniMeToken(
this,
_parentToken,
_snapshotBlock,
_tokenName,
_decimalUnits,
_tokenSymbol,
_transfersEnabled
);
newToken.changeController(msg.sender);
return newToken;
}
| /// @notice Update the DApp by creating a new token with new functionalities
/// the msg.sender becomes the controller of this clone token
/// @param _parentToken Address of the token being cloned
/// @param _snapshotBlock Block of the parent token that will
/// determine the initial distribution of the clone token
/// @param _tokenName Name of the new token
/// @param _decimalUnits Number of decimals of the new token
/// @param _tokenSymbol Token Symbol for the new token
/// @param _transfersEnabled If true, tokens will be able to be transferred
/// @return The address of the new token contract | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
688,
1265
]
} | 59,804 |
|
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeIrrevocableVestedToken | contract MiniMeIrrevocableVestedToken is MiniMeToken, SafeMath {
uint256 MAX_GRANTS_PER_ADDRESS = 20;
// Keep the struct at 3 sstores ( total value 20+32+24 =76 bytes)
struct TokenGrant {
address granter; // 20 bytes
uint256 value; // 32 bytes
uint64 cliff;
uint64 vesting;
uint64 start; // 3*8 =24 bytes
}
event NewTokenGrant(address indexed from, address indexed to, uint256 value, uint64 start, uint64 cliff, uint64 vesting);
mapping (address => TokenGrant[]) public grants;
mapping (address => bool) canCreateGrants;
address vestingWhitelister;
modifier canTransfer(address _sender, uint _value) {
require(_value<=spendableBalanceOf(_sender));
_;
}
modifier onlyVestingWhitelister {
require(msg.sender==vestingWhitelister);
_;
}
function MiniMeIrrevocableVestedToken (
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) MiniMeToken(_tokenFactory, _parentToken, _parentSnapShotBlock, _tokenName, _decimalUnits, _tokenSymbol, _transfersEnabled) {
vestingWhitelister = msg.sender;
doSetCanCreateGrants(vestingWhitelister, true);
}
// @dev Checks modifier and allows transfer if tokens are not locked.
function transfer(address _to, uint _value)
canTransfer(msg.sender, _value)
public
returns (bool success) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value)
canTransfer(_from, _value)
public
returns (bool success) {
return super.transferFrom(_from, _to, _value);
}
function spendableBalanceOf(address _holder) constant public returns (uint) {
return transferableTokens(_holder, uint64(now));
}
// main func for token grant
function grantVestedTokens(
address _to,
uint256 _value,
uint64 _start,
uint64 _cliff,
uint64 _vesting) public {
// Check start, cliff and vesting are properly order to ensure correct functionality of the formula.
require(_cliff >= _start && _vesting >= _cliff);
require(tokenGrantsCount(_to)<=MAX_GRANTS_PER_ADDRESS); //// To prevent a user being spammed and have his balance locked (out of gas attack when calculating vesting).
assert(canCreateGrants[msg.sender]);
TokenGrant memory grant = TokenGrant(msg.sender, _value, _cliff, _vesting, _start);
grants[_to].push(grant);
assert(transfer(_to,_value));
NewTokenGrant(msg.sender, _to, _value, _cliff, _vesting, _start);
}
function setCanCreateGrants(address _addr, bool _allowed)
onlyVestingWhitelister public {
doSetCanCreateGrants(_addr, _allowed);
}
function doSetCanCreateGrants(address _addr, bool _allowed)
internal {
canCreateGrants[_addr] = _allowed;
}
function changeVestingWhitelister(address _newWhitelister) onlyVestingWhitelister public {
doSetCanCreateGrants(vestingWhitelister, false);
vestingWhitelister = _newWhitelister;
doSetCanCreateGrants(vestingWhitelister, true);
}
function tokenGrantsCount(address _holder) constant public returns (uint index) {
return grants[_holder].length;
}
function tokenGrant(address _holder, uint _grantId) constant public returns (address granter, uint256 value, uint256 vested, uint64 start, uint64 cliff, uint64 vesting) {
TokenGrant storage grant = grants[_holder][_grantId];
granter = grant.granter;
value = grant.value;
start = grant.start;
cliff = grant.cliff;
vesting = grant.vesting;
vested = vestedTokens(grant, uint64(now));
}
function vestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return calculateVestedTokens(
grant.value,
uint256(time),
uint256(grant.start),
uint256(grant.cliff),
uint256(grant.vesting)
);
}
// transferableTokens
// | _/-------- NonVestedTokens
// | _/
// | _/
// | _/
// | _/
// | /
// | .|
// | . |
// | . |
// | . |
// | . |
// | . |
// +===+===========+---------+----------> time
// Start Cliff Vesting
function calculateVestedTokens(
uint256 tokens,
uint256 time,
uint256 start,
uint256 cliff,
uint256 vesting) internal constant returns (uint256)
{
// Shortcuts for before cliff and after vesting cases.
if (time < cliff) return 0;
if (time >= vesting) return tokens;
// Interpolate all vested tokens.
// As before cliff the shortcut returns 0, we can use just this function to
// calculate it.
// vestedTokens = tokens * (time - start) / (vesting - start)
uint256 vestedTokens = safeDiv(
safeMul(
tokens,
safeSub(time, start)
),
safeSub(vesting, start)
);
return vestedTokens;
}
function nonVestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return safeSub(grant.value, vestedTokens(grant, time));
}
// @dev The date in which all tokens are transferable for the holder
// Useful for displaying purposes (not used in any logic calculations)
function lastTokenIsTransferableDate(address holder) constant public returns (uint64 date) {
date = uint64(now);
uint256 grantIndex = tokenGrantsCount(holder);
for (uint256 i = 0; i < grantIndex; i++) {
date = max64(grants[holder][i].vesting, date);
}
return date;
}
// @dev How many tokens can a holder transfer at a point in time
function transferableTokens(address holder, uint64 time) constant public returns (uint256) {
uint256 grantIndex = tokenGrantsCount(holder);
if (grantIndex == 0) return balanceOf(holder); // shortcut for holder without grants
// Iterate through all the grants the holder has, and add all non-vested tokens
uint256 nonVested = 0;
for (uint256 i = 0; i < grantIndex; i++) {
nonVested = safeAdd(nonVested, nonVestedTokens(grants[holder][i], time));
}
// Balance - totalNonVested is the amount of tokens a holder can transfer at any given time
return safeSub(balanceOf(holder), nonVested);
}
} | transfer | function transfer(address _to, uint _value)
canTransfer(msg.sender, _value)
public
returns (bool success) {
return super.transfer(_to, _value);
}
| // @dev Checks modifier and allows transfer if tokens are not locked. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
1389,
1581
]
} | 59,805 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeIrrevocableVestedToken | contract MiniMeIrrevocableVestedToken is MiniMeToken, SafeMath {
uint256 MAX_GRANTS_PER_ADDRESS = 20;
// Keep the struct at 3 sstores ( total value 20+32+24 =76 bytes)
struct TokenGrant {
address granter; // 20 bytes
uint256 value; // 32 bytes
uint64 cliff;
uint64 vesting;
uint64 start; // 3*8 =24 bytes
}
event NewTokenGrant(address indexed from, address indexed to, uint256 value, uint64 start, uint64 cliff, uint64 vesting);
mapping (address => TokenGrant[]) public grants;
mapping (address => bool) canCreateGrants;
address vestingWhitelister;
modifier canTransfer(address _sender, uint _value) {
require(_value<=spendableBalanceOf(_sender));
_;
}
modifier onlyVestingWhitelister {
require(msg.sender==vestingWhitelister);
_;
}
function MiniMeIrrevocableVestedToken (
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) MiniMeToken(_tokenFactory, _parentToken, _parentSnapShotBlock, _tokenName, _decimalUnits, _tokenSymbol, _transfersEnabled) {
vestingWhitelister = msg.sender;
doSetCanCreateGrants(vestingWhitelister, true);
}
// @dev Checks modifier and allows transfer if tokens are not locked.
function transfer(address _to, uint _value)
canTransfer(msg.sender, _value)
public
returns (bool success) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value)
canTransfer(_from, _value)
public
returns (bool success) {
return super.transferFrom(_from, _to, _value);
}
function spendableBalanceOf(address _holder) constant public returns (uint) {
return transferableTokens(_holder, uint64(now));
}
// main func for token grant
function grantVestedTokens(
address _to,
uint256 _value,
uint64 _start,
uint64 _cliff,
uint64 _vesting) public {
// Check start, cliff and vesting are properly order to ensure correct functionality of the formula.
require(_cliff >= _start && _vesting >= _cliff);
require(tokenGrantsCount(_to)<=MAX_GRANTS_PER_ADDRESS); //// To prevent a user being spammed and have his balance locked (out of gas attack when calculating vesting).
assert(canCreateGrants[msg.sender]);
TokenGrant memory grant = TokenGrant(msg.sender, _value, _cliff, _vesting, _start);
grants[_to].push(grant);
assert(transfer(_to,_value));
NewTokenGrant(msg.sender, _to, _value, _cliff, _vesting, _start);
}
function setCanCreateGrants(address _addr, bool _allowed)
onlyVestingWhitelister public {
doSetCanCreateGrants(_addr, _allowed);
}
function doSetCanCreateGrants(address _addr, bool _allowed)
internal {
canCreateGrants[_addr] = _allowed;
}
function changeVestingWhitelister(address _newWhitelister) onlyVestingWhitelister public {
doSetCanCreateGrants(vestingWhitelister, false);
vestingWhitelister = _newWhitelister;
doSetCanCreateGrants(vestingWhitelister, true);
}
function tokenGrantsCount(address _holder) constant public returns (uint index) {
return grants[_holder].length;
}
function tokenGrant(address _holder, uint _grantId) constant public returns (address granter, uint256 value, uint256 vested, uint64 start, uint64 cliff, uint64 vesting) {
TokenGrant storage grant = grants[_holder][_grantId];
granter = grant.granter;
value = grant.value;
start = grant.start;
cliff = grant.cliff;
vesting = grant.vesting;
vested = vestedTokens(grant, uint64(now));
}
function vestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return calculateVestedTokens(
grant.value,
uint256(time),
uint256(grant.start),
uint256(grant.cliff),
uint256(grant.vesting)
);
}
// transferableTokens
// | _/-------- NonVestedTokens
// | _/
// | _/
// | _/
// | _/
// | /
// | .|
// | . |
// | . |
// | . |
// | . |
// | . |
// +===+===========+---------+----------> time
// Start Cliff Vesting
function calculateVestedTokens(
uint256 tokens,
uint256 time,
uint256 start,
uint256 cliff,
uint256 vesting) internal constant returns (uint256)
{
// Shortcuts for before cliff and after vesting cases.
if (time < cliff) return 0;
if (time >= vesting) return tokens;
// Interpolate all vested tokens.
// As before cliff the shortcut returns 0, we can use just this function to
// calculate it.
// vestedTokens = tokens * (time - start) / (vesting - start)
uint256 vestedTokens = safeDiv(
safeMul(
tokens,
safeSub(time, start)
),
safeSub(vesting, start)
);
return vestedTokens;
}
function nonVestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return safeSub(grant.value, vestedTokens(grant, time));
}
// @dev The date in which all tokens are transferable for the holder
// Useful for displaying purposes (not used in any logic calculations)
function lastTokenIsTransferableDate(address holder) constant public returns (uint64 date) {
date = uint64(now);
uint256 grantIndex = tokenGrantsCount(holder);
for (uint256 i = 0; i < grantIndex; i++) {
date = max64(grants[holder][i].vesting, date);
}
return date;
}
// @dev How many tokens can a holder transfer at a point in time
function transferableTokens(address holder, uint64 time) constant public returns (uint256) {
uint256 grantIndex = tokenGrantsCount(holder);
if (grantIndex == 0) return balanceOf(holder); // shortcut for holder without grants
// Iterate through all the grants the holder has, and add all non-vested tokens
uint256 nonVested = 0;
for (uint256 i = 0; i < grantIndex; i++) {
nonVested = safeAdd(nonVested, nonVestedTokens(grants[holder][i], time));
}
// Balance - totalNonVested is the amount of tokens a holder can transfer at any given time
return safeSub(balanceOf(holder), nonVested);
}
} | grantVestedTokens | function grantVestedTokens(
address _to,
uint256 _value,
uint64 _start,
uint64 _cliff,
uint64 _vesting) public {
// Check start, cliff and vesting are properly order to ensure correct functionality of the formula.
require(_cliff >= _start && _vesting >= _cliff);
require(tokenGrantsCount(_to)<=MAX_GRANTS_PER_ADDRESS); //// To prevent a user being spammed and have his balance locked (out of gas attack when calculating vesting).
assert(canCreateGrants[msg.sender]);
TokenGrant memory grant = TokenGrant(msg.sender, _value, _cliff, _vesting, _start);
grants[_to].push(grant);
assert(transfer(_to,_value));
NewTokenGrant(msg.sender, _to, _value, _cliff, _vesting, _start);
}
| // main func for token grant | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
1980,
2744
]
} | 59,806 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeIrrevocableVestedToken | contract MiniMeIrrevocableVestedToken is MiniMeToken, SafeMath {
uint256 MAX_GRANTS_PER_ADDRESS = 20;
// Keep the struct at 3 sstores ( total value 20+32+24 =76 bytes)
struct TokenGrant {
address granter; // 20 bytes
uint256 value; // 32 bytes
uint64 cliff;
uint64 vesting;
uint64 start; // 3*8 =24 bytes
}
event NewTokenGrant(address indexed from, address indexed to, uint256 value, uint64 start, uint64 cliff, uint64 vesting);
mapping (address => TokenGrant[]) public grants;
mapping (address => bool) canCreateGrants;
address vestingWhitelister;
modifier canTransfer(address _sender, uint _value) {
require(_value<=spendableBalanceOf(_sender));
_;
}
modifier onlyVestingWhitelister {
require(msg.sender==vestingWhitelister);
_;
}
function MiniMeIrrevocableVestedToken (
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) MiniMeToken(_tokenFactory, _parentToken, _parentSnapShotBlock, _tokenName, _decimalUnits, _tokenSymbol, _transfersEnabled) {
vestingWhitelister = msg.sender;
doSetCanCreateGrants(vestingWhitelister, true);
}
// @dev Checks modifier and allows transfer if tokens are not locked.
function transfer(address _to, uint _value)
canTransfer(msg.sender, _value)
public
returns (bool success) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value)
canTransfer(_from, _value)
public
returns (bool success) {
return super.transferFrom(_from, _to, _value);
}
function spendableBalanceOf(address _holder) constant public returns (uint) {
return transferableTokens(_holder, uint64(now));
}
// main func for token grant
function grantVestedTokens(
address _to,
uint256 _value,
uint64 _start,
uint64 _cliff,
uint64 _vesting) public {
// Check start, cliff and vesting are properly order to ensure correct functionality of the formula.
require(_cliff >= _start && _vesting >= _cliff);
require(tokenGrantsCount(_to)<=MAX_GRANTS_PER_ADDRESS); //// To prevent a user being spammed and have his balance locked (out of gas attack when calculating vesting).
assert(canCreateGrants[msg.sender]);
TokenGrant memory grant = TokenGrant(msg.sender, _value, _cliff, _vesting, _start);
grants[_to].push(grant);
assert(transfer(_to,_value));
NewTokenGrant(msg.sender, _to, _value, _cliff, _vesting, _start);
}
function setCanCreateGrants(address _addr, bool _allowed)
onlyVestingWhitelister public {
doSetCanCreateGrants(_addr, _allowed);
}
function doSetCanCreateGrants(address _addr, bool _allowed)
internal {
canCreateGrants[_addr] = _allowed;
}
function changeVestingWhitelister(address _newWhitelister) onlyVestingWhitelister public {
doSetCanCreateGrants(vestingWhitelister, false);
vestingWhitelister = _newWhitelister;
doSetCanCreateGrants(vestingWhitelister, true);
}
function tokenGrantsCount(address _holder) constant public returns (uint index) {
return grants[_holder].length;
}
function tokenGrant(address _holder, uint _grantId) constant public returns (address granter, uint256 value, uint256 vested, uint64 start, uint64 cliff, uint64 vesting) {
TokenGrant storage grant = grants[_holder][_grantId];
granter = grant.granter;
value = grant.value;
start = grant.start;
cliff = grant.cliff;
vesting = grant.vesting;
vested = vestedTokens(grant, uint64(now));
}
function vestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return calculateVestedTokens(
grant.value,
uint256(time),
uint256(grant.start),
uint256(grant.cliff),
uint256(grant.vesting)
);
}
// transferableTokens
// | _/-------- NonVestedTokens
// | _/
// | _/
// | _/
// | _/
// | /
// | .|
// | . |
// | . |
// | . |
// | . |
// | . |
// +===+===========+---------+----------> time
// Start Cliff Vesting
function calculateVestedTokens(
uint256 tokens,
uint256 time,
uint256 start,
uint256 cliff,
uint256 vesting) internal constant returns (uint256)
{
// Shortcuts for before cliff and after vesting cases.
if (time < cliff) return 0;
if (time >= vesting) return tokens;
// Interpolate all vested tokens.
// As before cliff the shortcut returns 0, we can use just this function to
// calculate it.
// vestedTokens = tokens * (time - start) / (vesting - start)
uint256 vestedTokens = safeDiv(
safeMul(
tokens,
safeSub(time, start)
),
safeSub(vesting, start)
);
return vestedTokens;
}
function nonVestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return safeSub(grant.value, vestedTokens(grant, time));
}
// @dev The date in which all tokens are transferable for the holder
// Useful for displaying purposes (not used in any logic calculations)
function lastTokenIsTransferableDate(address holder) constant public returns (uint64 date) {
date = uint64(now);
uint256 grantIndex = tokenGrantsCount(holder);
for (uint256 i = 0; i < grantIndex; i++) {
date = max64(grants[holder][i].vesting, date);
}
return date;
}
// @dev How many tokens can a holder transfer at a point in time
function transferableTokens(address holder, uint64 time) constant public returns (uint256) {
uint256 grantIndex = tokenGrantsCount(holder);
if (grantIndex == 0) return balanceOf(holder); // shortcut for holder without grants
// Iterate through all the grants the holder has, and add all non-vested tokens
uint256 nonVested = 0;
for (uint256 i = 0; i < grantIndex; i++) {
nonVested = safeAdd(nonVested, nonVestedTokens(grants[holder][i], time));
}
// Balance - totalNonVested is the amount of tokens a holder can transfer at any given time
return safeSub(balanceOf(holder), nonVested);
}
} | calculateVestedTokens | function calculateVestedTokens(
uint256 tokens,
uint256 time,
uint256 start,
uint256 cliff,
uint256 vesting) internal constant returns (uint256)
{
// Shortcuts for before cliff and after vesting cases.
if (time < cliff) return 0;
if (time >= vesting) return tokens;
// Interpolate all vested tokens.
// As before cliff the shortcut returns 0, we can use just this function to
// calculate it.
// vestedTokens = tokens * (time - start) / (vesting - start)
uint256 vestedTokens = safeDiv(
safeMul(
tokens,
safeSub(time, start)
),
safeSub(vesting, start)
);
return vestedTokens;
}
| // transferableTokens
// | _/-------- NonVestedTokens
// | _/
// | _/
// | _/
// | _/
// | /
// | .|
// | . |
// | . |
// | . |
// | . |
// | . |
// +===+===========+---------+----------> time
// Start Cliff Vesting | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
4613,
5495
]
} | 59,807 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeIrrevocableVestedToken | contract MiniMeIrrevocableVestedToken is MiniMeToken, SafeMath {
uint256 MAX_GRANTS_PER_ADDRESS = 20;
// Keep the struct at 3 sstores ( total value 20+32+24 =76 bytes)
struct TokenGrant {
address granter; // 20 bytes
uint256 value; // 32 bytes
uint64 cliff;
uint64 vesting;
uint64 start; // 3*8 =24 bytes
}
event NewTokenGrant(address indexed from, address indexed to, uint256 value, uint64 start, uint64 cliff, uint64 vesting);
mapping (address => TokenGrant[]) public grants;
mapping (address => bool) canCreateGrants;
address vestingWhitelister;
modifier canTransfer(address _sender, uint _value) {
require(_value<=spendableBalanceOf(_sender));
_;
}
modifier onlyVestingWhitelister {
require(msg.sender==vestingWhitelister);
_;
}
function MiniMeIrrevocableVestedToken (
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) MiniMeToken(_tokenFactory, _parentToken, _parentSnapShotBlock, _tokenName, _decimalUnits, _tokenSymbol, _transfersEnabled) {
vestingWhitelister = msg.sender;
doSetCanCreateGrants(vestingWhitelister, true);
}
// @dev Checks modifier and allows transfer if tokens are not locked.
function transfer(address _to, uint _value)
canTransfer(msg.sender, _value)
public
returns (bool success) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value)
canTransfer(_from, _value)
public
returns (bool success) {
return super.transferFrom(_from, _to, _value);
}
function spendableBalanceOf(address _holder) constant public returns (uint) {
return transferableTokens(_holder, uint64(now));
}
// main func for token grant
function grantVestedTokens(
address _to,
uint256 _value,
uint64 _start,
uint64 _cliff,
uint64 _vesting) public {
// Check start, cliff and vesting are properly order to ensure correct functionality of the formula.
require(_cliff >= _start && _vesting >= _cliff);
require(tokenGrantsCount(_to)<=MAX_GRANTS_PER_ADDRESS); //// To prevent a user being spammed and have his balance locked (out of gas attack when calculating vesting).
assert(canCreateGrants[msg.sender]);
TokenGrant memory grant = TokenGrant(msg.sender, _value, _cliff, _vesting, _start);
grants[_to].push(grant);
assert(transfer(_to,_value));
NewTokenGrant(msg.sender, _to, _value, _cliff, _vesting, _start);
}
function setCanCreateGrants(address _addr, bool _allowed)
onlyVestingWhitelister public {
doSetCanCreateGrants(_addr, _allowed);
}
function doSetCanCreateGrants(address _addr, bool _allowed)
internal {
canCreateGrants[_addr] = _allowed;
}
function changeVestingWhitelister(address _newWhitelister) onlyVestingWhitelister public {
doSetCanCreateGrants(vestingWhitelister, false);
vestingWhitelister = _newWhitelister;
doSetCanCreateGrants(vestingWhitelister, true);
}
function tokenGrantsCount(address _holder) constant public returns (uint index) {
return grants[_holder].length;
}
function tokenGrant(address _holder, uint _grantId) constant public returns (address granter, uint256 value, uint256 vested, uint64 start, uint64 cliff, uint64 vesting) {
TokenGrant storage grant = grants[_holder][_grantId];
granter = grant.granter;
value = grant.value;
start = grant.start;
cliff = grant.cliff;
vesting = grant.vesting;
vested = vestedTokens(grant, uint64(now));
}
function vestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return calculateVestedTokens(
grant.value,
uint256(time),
uint256(grant.start),
uint256(grant.cliff),
uint256(grant.vesting)
);
}
// transferableTokens
// | _/-------- NonVestedTokens
// | _/
// | _/
// | _/
// | _/
// | /
// | .|
// | . |
// | . |
// | . |
// | . |
// | . |
// +===+===========+---------+----------> time
// Start Cliff Vesting
function calculateVestedTokens(
uint256 tokens,
uint256 time,
uint256 start,
uint256 cliff,
uint256 vesting) internal constant returns (uint256)
{
// Shortcuts for before cliff and after vesting cases.
if (time < cliff) return 0;
if (time >= vesting) return tokens;
// Interpolate all vested tokens.
// As before cliff the shortcut returns 0, we can use just this function to
// calculate it.
// vestedTokens = tokens * (time - start) / (vesting - start)
uint256 vestedTokens = safeDiv(
safeMul(
tokens,
safeSub(time, start)
),
safeSub(vesting, start)
);
return vestedTokens;
}
function nonVestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return safeSub(grant.value, vestedTokens(grant, time));
}
// @dev The date in which all tokens are transferable for the holder
// Useful for displaying purposes (not used in any logic calculations)
function lastTokenIsTransferableDate(address holder) constant public returns (uint64 date) {
date = uint64(now);
uint256 grantIndex = tokenGrantsCount(holder);
for (uint256 i = 0; i < grantIndex; i++) {
date = max64(grants[holder][i].vesting, date);
}
return date;
}
// @dev How many tokens can a holder transfer at a point in time
function transferableTokens(address holder, uint64 time) constant public returns (uint256) {
uint256 grantIndex = tokenGrantsCount(holder);
if (grantIndex == 0) return balanceOf(holder); // shortcut for holder without grants
// Iterate through all the grants the holder has, and add all non-vested tokens
uint256 nonVested = 0;
for (uint256 i = 0; i < grantIndex; i++) {
nonVested = safeAdd(nonVested, nonVestedTokens(grants[holder][i], time));
}
// Balance - totalNonVested is the amount of tokens a holder can transfer at any given time
return safeSub(balanceOf(holder), nonVested);
}
} | lastTokenIsTransferableDate | function lastTokenIsTransferableDate(address holder) constant public returns (uint64 date) {
date = uint64(now);
uint256 grantIndex = tokenGrantsCount(holder);
for (uint256 i = 0; i < grantIndex; i++) {
date = max64(grants[holder][i].vesting, date);
}
return date;
}
| // @dev The date in which all tokens are transferable for the holder
// Useful for displaying purposes (not used in any logic calculations) | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
5809,
6113
]
} | 59,808 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | MiniMeIrrevocableVestedToken | contract MiniMeIrrevocableVestedToken is MiniMeToken, SafeMath {
uint256 MAX_GRANTS_PER_ADDRESS = 20;
// Keep the struct at 3 sstores ( total value 20+32+24 =76 bytes)
struct TokenGrant {
address granter; // 20 bytes
uint256 value; // 32 bytes
uint64 cliff;
uint64 vesting;
uint64 start; // 3*8 =24 bytes
}
event NewTokenGrant(address indexed from, address indexed to, uint256 value, uint64 start, uint64 cliff, uint64 vesting);
mapping (address => TokenGrant[]) public grants;
mapping (address => bool) canCreateGrants;
address vestingWhitelister;
modifier canTransfer(address _sender, uint _value) {
require(_value<=spendableBalanceOf(_sender));
_;
}
modifier onlyVestingWhitelister {
require(msg.sender==vestingWhitelister);
_;
}
function MiniMeIrrevocableVestedToken (
address _tokenFactory,
address _parentToken,
uint _parentSnapShotBlock,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol,
bool _transfersEnabled
) MiniMeToken(_tokenFactory, _parentToken, _parentSnapShotBlock, _tokenName, _decimalUnits, _tokenSymbol, _transfersEnabled) {
vestingWhitelister = msg.sender;
doSetCanCreateGrants(vestingWhitelister, true);
}
// @dev Checks modifier and allows transfer if tokens are not locked.
function transfer(address _to, uint _value)
canTransfer(msg.sender, _value)
public
returns (bool success) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value)
canTransfer(_from, _value)
public
returns (bool success) {
return super.transferFrom(_from, _to, _value);
}
function spendableBalanceOf(address _holder) constant public returns (uint) {
return transferableTokens(_holder, uint64(now));
}
// main func for token grant
function grantVestedTokens(
address _to,
uint256 _value,
uint64 _start,
uint64 _cliff,
uint64 _vesting) public {
// Check start, cliff and vesting are properly order to ensure correct functionality of the formula.
require(_cliff >= _start && _vesting >= _cliff);
require(tokenGrantsCount(_to)<=MAX_GRANTS_PER_ADDRESS); //// To prevent a user being spammed and have his balance locked (out of gas attack when calculating vesting).
assert(canCreateGrants[msg.sender]);
TokenGrant memory grant = TokenGrant(msg.sender, _value, _cliff, _vesting, _start);
grants[_to].push(grant);
assert(transfer(_to,_value));
NewTokenGrant(msg.sender, _to, _value, _cliff, _vesting, _start);
}
function setCanCreateGrants(address _addr, bool _allowed)
onlyVestingWhitelister public {
doSetCanCreateGrants(_addr, _allowed);
}
function doSetCanCreateGrants(address _addr, bool _allowed)
internal {
canCreateGrants[_addr] = _allowed;
}
function changeVestingWhitelister(address _newWhitelister) onlyVestingWhitelister public {
doSetCanCreateGrants(vestingWhitelister, false);
vestingWhitelister = _newWhitelister;
doSetCanCreateGrants(vestingWhitelister, true);
}
function tokenGrantsCount(address _holder) constant public returns (uint index) {
return grants[_holder].length;
}
function tokenGrant(address _holder, uint _grantId) constant public returns (address granter, uint256 value, uint256 vested, uint64 start, uint64 cliff, uint64 vesting) {
TokenGrant storage grant = grants[_holder][_grantId];
granter = grant.granter;
value = grant.value;
start = grant.start;
cliff = grant.cliff;
vesting = grant.vesting;
vested = vestedTokens(grant, uint64(now));
}
function vestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return calculateVestedTokens(
grant.value,
uint256(time),
uint256(grant.start),
uint256(grant.cliff),
uint256(grant.vesting)
);
}
// transferableTokens
// | _/-------- NonVestedTokens
// | _/
// | _/
// | _/
// | _/
// | /
// | .|
// | . |
// | . |
// | . |
// | . |
// | . |
// +===+===========+---------+----------> time
// Start Cliff Vesting
function calculateVestedTokens(
uint256 tokens,
uint256 time,
uint256 start,
uint256 cliff,
uint256 vesting) internal constant returns (uint256)
{
// Shortcuts for before cliff and after vesting cases.
if (time < cliff) return 0;
if (time >= vesting) return tokens;
// Interpolate all vested tokens.
// As before cliff the shortcut returns 0, we can use just this function to
// calculate it.
// vestedTokens = tokens * (time - start) / (vesting - start)
uint256 vestedTokens = safeDiv(
safeMul(
tokens,
safeSub(time, start)
),
safeSub(vesting, start)
);
return vestedTokens;
}
function nonVestedTokens(TokenGrant grant, uint64 time) internal constant returns (uint256) {
return safeSub(grant.value, vestedTokens(grant, time));
}
// @dev The date in which all tokens are transferable for the holder
// Useful for displaying purposes (not used in any logic calculations)
function lastTokenIsTransferableDate(address holder) constant public returns (uint64 date) {
date = uint64(now);
uint256 grantIndex = tokenGrantsCount(holder);
for (uint256 i = 0; i < grantIndex; i++) {
date = max64(grants[holder][i].vesting, date);
}
return date;
}
// @dev How many tokens can a holder transfer at a point in time
function transferableTokens(address holder, uint64 time) constant public returns (uint256) {
uint256 grantIndex = tokenGrantsCount(holder);
if (grantIndex == 0) return balanceOf(holder); // shortcut for holder without grants
// Iterate through all the grants the holder has, and add all non-vested tokens
uint256 nonVested = 0;
for (uint256 i = 0; i < grantIndex; i++) {
nonVested = safeAdd(nonVested, nonVestedTokens(grants[holder][i], time));
}
// Balance - totalNonVested is the amount of tokens a holder can transfer at any given time
return safeSub(balanceOf(holder), nonVested);
}
} | transferableTokens | function transferableTokens(address holder, uint64 time) constant public returns (uint256) {
uint256 grantIndex = tokenGrantsCount(holder);
if (grantIndex == 0) return balanceOf(holder); // shortcut for holder without grants
// Iterate through all the grants the holder has, and add all non-vested tokens
uint256 nonVested = 0;
for (uint256 i = 0; i < grantIndex; i++) {
nonVested = safeAdd(nonVested, nonVestedTokens(grants[holder][i], time));
}
// Balance - totalNonVested is the amount of tokens a holder can transfer at any given time
return safeSub(balanceOf(holder), nonVested);
}
| // @dev How many tokens can a holder transfer at a point in time | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
6184,
6829
]
} | 59,809 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GNR | contract GNR is MiniMeIrrevocableVestedToken {
// @dev GNR constructor just parametrizes the MiniMeIrrevocableVestedToken constructor
function GNR(
address _tokenFactory
) MiniMeIrrevocableVestedToken(
_tokenFactory,
0x0, // no parent token
0, // no snapshot block number from parent
"Genaro Network Token", // Token name
9, // Decimals
"GNR", // Symbol
true // Enable transfers
) {}
} | GNR | function GNR(
address _tokenFactory
) MiniMeIrrevocableVestedToken(
_tokenFactory,
0x0, // no parent token
0, // no snapshot block number from parent
"Genaro Network Token", // Token name
9, // Decimals
"GNR", // Symbol
true // Enable transfers
) {}
| // @dev GNR constructor just parametrizes the MiniMeIrrevocableVestedToken constructor | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
138,
534
]
} | 59,810 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GRPlaceholder | contract GRPlaceholder is Controller {
address public sale;
GNR public token;
function GRPlaceholder(address _sale, address _gnr) {
sale = _sale;
token = GNR(_gnr);
}
function changeController(address network) public {
require(msg.sender == sale);
token.changeController(network);
suicide(network);
}
// In between the sale and the network. Default settings for allowing token transfers.
function proxyPayment(address) payable public returns (bool) {
return false;
}
function onTransfer(address, address, uint) public returns (bool) {
return true;
}
function onApprove(address, address, uint) public returns (bool) {
return true;
}
} | /*
@notice The GRPlaceholder contract will take control over the GNR after the sale
is finalized and before the Genaro Network is deployed.
The contract allows for GNR transfers and transferFrom and implements the
logic for transfering control of the token to the network when the sale
asks it to do so.
*/ | Comment | proxyPayment | function proxyPayment(address) payable public returns (bool) {
return false;
}
| // In between the sale and the network. Default settings for allowing token transfers. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
441,
530
]
} | 59,811 |
|
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | SaleWallet | contract SaleWallet {
// Public variables
address public multisig;
uint public finalBlock;
AbstractSale public tokenSale;
// @dev Constructor initializes public variables
// @param _multisig The address of the multisig that will receive the funds
// @param _finalBlock Block after which the multisig can request the funds
function SaleWallet(address _multisig, uint _finalBlock, address _tokenSale) {
multisig = _multisig;
finalBlock = _finalBlock;
tokenSale = AbstractSale(_tokenSale);
}
// @dev Receive all sent funds without any further logic
function () public payable {}
// @dev Withdraw function sends all the funds to the wallet if conditions are correct
function withdraw() public {
require(msg.sender == multisig); // Only the multisig can request it
if (block.number > finalBlock) return doWithdraw(); // Allow after the final block
if (tokenSale.saleFinalized()) return doWithdraw(); // Allow when sale is finalized
}
function doWithdraw() internal {
require(multisig.send(this.balance));
}
} | SaleWallet | function SaleWallet(address _multisig, uint _finalBlock, address _tokenSale) {
multisig = _multisig;
finalBlock = _finalBlock;
tokenSale = AbstractSale(_tokenSale);
}
| // @dev Constructor initializes public variables
// @param _multisig The address of the multisig that will receive the funds
// @param _finalBlock Block after which the multisig can request the funds | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
346,
533
]
} | 59,812 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | SaleWallet | contract SaleWallet {
// Public variables
address public multisig;
uint public finalBlock;
AbstractSale public tokenSale;
// @dev Constructor initializes public variables
// @param _multisig The address of the multisig that will receive the funds
// @param _finalBlock Block after which the multisig can request the funds
function SaleWallet(address _multisig, uint _finalBlock, address _tokenSale) {
multisig = _multisig;
finalBlock = _finalBlock;
tokenSale = AbstractSale(_tokenSale);
}
// @dev Receive all sent funds without any further logic
function () public payable {}
// @dev Withdraw function sends all the funds to the wallet if conditions are correct
function withdraw() public {
require(msg.sender == multisig); // Only the multisig can request it
if (block.number > finalBlock) return doWithdraw(); // Allow after the final block
if (tokenSale.saleFinalized()) return doWithdraw(); // Allow when sale is finalized
}
function doWithdraw() internal {
require(multisig.send(this.balance));
}
} | function () public payable {}
| // @dev Receive all sent funds without any further logic | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
596,
628
]
} | 59,813 |
||||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | SaleWallet | contract SaleWallet {
// Public variables
address public multisig;
uint public finalBlock;
AbstractSale public tokenSale;
// @dev Constructor initializes public variables
// @param _multisig The address of the multisig that will receive the funds
// @param _finalBlock Block after which the multisig can request the funds
function SaleWallet(address _multisig, uint _finalBlock, address _tokenSale) {
multisig = _multisig;
finalBlock = _finalBlock;
tokenSale = AbstractSale(_tokenSale);
}
// @dev Receive all sent funds without any further logic
function () public payable {}
// @dev Withdraw function sends all the funds to the wallet if conditions are correct
function withdraw() public {
require(msg.sender == multisig); // Only the multisig can request it
if (block.number > finalBlock) return doWithdraw(); // Allow after the final block
if (tokenSale.saleFinalized()) return doWithdraw(); // Allow when sale is finalized
}
function doWithdraw() internal {
require(multisig.send(this.balance));
}
} | withdraw | function withdraw() public {
require(msg.sender == multisig); // Only the multisig can request it
if (block.number > finalBlock) return doWithdraw(); // Allow after the final block
if (tokenSale.saleFinalized()) return doWithdraw(); // Allow when sale is finalized
}
| // @dev Withdraw function sends all the funds to the wallet if conditions are correct | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
720,
1018
]
} | 59,814 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | GenaroTokenSale | function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
| /// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei. | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
2104,
2713
]
} | 59,815 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | setGNR | function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
| // @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
3014,
4137
]
} | 59,816 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | activateSale | function activateSale()
public {
doActivateSale(msg.sender);
}
| // @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
4400,
4485
]
} | 59,817 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | isActivated | function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
| // @notice Whether the needed accounts have activated the sale.
// @return Is sale activated | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
4790,
4914
]
} | 59,818 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | getPrice | function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
| // @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
5155,
5352
]
} | 59,819 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | allocatePresaleTokens | function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
| // @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
5725,
6400
]
} | 59,820 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | function () public payable {
return doPayment(msg.sender);
}
| /// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
6722,
6793
]
} | 59,821 |
||||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | addToWhiteList | function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
| ///////////////// | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
6860,
7005
]
} | 59,822 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | isWhitelisted | function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
| // @return true if investor is whitelisted | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
7207,
7328
]
} | 59,823 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | proxyPayment | function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
| /////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
7618,
7737
]
} | 59,824 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | onTransfer | function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
| /// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
8099,
8419
]
} | 59,825 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | onApprove | function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
| /// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
8808,
8973
]
} | 59,826 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | doPayment | function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
| /// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens | NatSpecSingleLine | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
9218,
10072
]
} | 59,827 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | emergencyStopSale | function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
| // @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
10195,
10381
]
} | 59,828 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | restartSale | function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
| // @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
10517,
10698
]
} | 59,829 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | finalizeSale | function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
| // @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
11217,
11407
]
} | 59,830 |
|||
GenaroTokenSale | GenaroTokenSale.sol | 0xf3d86b6974ddf5b8407cfdcd3f874a76f7538b90 | Solidity | GenaroTokenSale | contract GenaroTokenSale is Controlled, Controller, SafeMath {
uint public initialBlock; // Block number in which the sale starts. Inclusive. sale will be opened at initial block.
uint public finalBlock; // Block number in which the sale end. Exclusive, sale will be closed at ends block.
uint public price; // Number of wei-GNR tokens for 1 wei, at the start of the sale (9 decimals)
address public genaroDevMultisig; // The address to hold the funds donated
bytes32 public capCommitment;
uint public totalCollected = 0; // In wei
bool public saleStopped = false; // Has Genaro Dev stopped the sale?
bool public saleFinalized = false; // Has Genaro Dev finalized the sale?
mapping (address => bool) public activated; // Address confirmates that wants to activate the sale
mapping (address => bool) public whitelist; // Address consists of whitelist payer
GNR public token; // The token
GRPlaceholder public networkPlaceholder; // The network placeholder
SaleWallet public saleWallet; // Wallet that receives all sale funds
uint constant public dust = 1 ether; // Minimum investment
uint constant public maxPerPersion = 100 ether; // Maximum investment per person
uint public hardCap = 2888 ether; // Hard cap for Genaro
event NewPresaleAllocation(address indexed holder, uint256 gnrAmount);
event NewBuyer(address indexed holder, uint256 gnrAmount, uint256 etherAmount);
event CapRevealed(uint value, uint secret, address revealer);
/// @dev There are several checks to make sure the parameters are acceptable
/// @param _initialBlock The Block number in which the sale starts
/// @param _finalBlock The Block number in which the sale ends
/// @param _genaroDevMultisig The address that will store the donated funds and manager
/// for the sale
/// @param _price The price for the genaro sale. Price in wei-GNR per wei.
function GenaroTokenSale (
uint _initialBlock,
uint _finalBlock,
address _genaroDevMultisig,
uint256 _price,
bytes32 _capCommitment
)
{
require(_genaroDevMultisig !=0);
require(_initialBlock >= getBlockNumber());
require(_initialBlock < _finalBlock);
require(uint(_capCommitment)!=0);
// Save constructor arguments as global variables
initialBlock = _initialBlock;
finalBlock = _finalBlock;
genaroDevMultisig = _genaroDevMultisig;
price = _price;
capCommitment = _capCommitment;
}
// @notice Deploy GNR is called only once to setup all the needed contracts.
// @param _token: Address of an instance of the GNR token
// @param _networkPlaceholder: Address of an instance of GNRPlaceholder
// @param _saleWallet: Address of the wallet receiving the funds of the sale
function setGNR(address _token, address _networkPlaceholder, address _saleWallet)
only(genaroDevMultisig)
public {
require(_token != 0);
require(_networkPlaceholder != 0);
require(_saleWallet != 0);
// Assert that the function hasn't been called before, as activate will happen at the end
assert(!activated[this]);
token = GNR(_token);
networkPlaceholder = GRPlaceholder(_networkPlaceholder);
saleWallet = SaleWallet(_saleWallet);
assert(token.controller() == address(this)); // sale is controller
assert(networkPlaceholder.sale() ==address(this)); // placeholder has reference to Sale
assert(networkPlaceholder.token() == address(token)); // placeholder has reference to GNR
assert(saleWallet.finalBlock() == finalBlock); // final blocks must match
assert(saleWallet.multisig() == genaroDevMultisig); // receiving wallet must match
assert(saleWallet.tokenSale() == address(this)); // watched token sale must be self
// Contract activates sale as all requirements are ready
doActivateSale(this);
}
// @notice Certain addresses need to call the activate function prior to the sale opening block.
// This proves that they have checked the sale contract is legit, as well as proving
// the capability for those addresses to interact with the contract.
function activateSale()
public {
doActivateSale(msg.sender);
}
function doActivateSale(address _entity)
non_zero_address(token) // cannot activate before setting token
only_before_sale
private {
activated[_entity] = true;
}
// @notice Whether the needed accounts have activated the sale.
// @return Is sale activated
function isActivated() constant public returns (bool) {
return activated[this] && activated[genaroDevMultisig];
}
// @notice Get the price for a GNR token at any given block number
// @param _blockNumber the block for which the price is requested
// @return Number of wei-GNR for 1 wei
// If sale isn't ongoing for that block, returns 0.
function getPrice(address _owner, uint _blockNumber) constant public returns (uint256) {
if (_blockNumber < initialBlock || _blockNumber >= finalBlock) return 0;
return (price);
}
// @notice Genaro Dev needs to make initial token allocations for presale partners
// This allocation has to be made before the sale is activated. Activating the sale means no more
// arbitrary allocations are possible and expresses conformity.
// @param _receiver: The receiver of the tokens
// @param _amount: Amount of tokens allocated for receiver.
function allocatePresaleTokens(address _receiver, uint _amount, uint64 cliffDate, uint64 vestingDate)
only_before_sale_activation
only_before_sale
non_zero_address(_receiver)
only(genaroDevMultisig)
public {
require(_amount<=6.3*(10 ** 15)); // presale 63 million GNR. No presale partner will have more than this allocated. Prevent overflows.
assert(token.generateTokens(address(this),_amount));
// vested token be sent in appropiate vesting date
token.grantVestedTokens(_receiver, _amount, uint64(now), cliffDate, vestingDate);
NewPresaleAllocation(_receiver, _amount);
}
/// @dev The fallback function is called when ether is sent to the contract, it
/// simply calls `doPayment()` with the address that sent the ether as the
/// `_owner`. Payable is a required solidity modifier for functions to receive
/// ether, without this modifier functions will throw if ether is sent to them
function () public payable {
return doPayment(msg.sender);
}
/////////////////
// Whitelist controll
/////////////////
function addToWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=true;
}
function removeFromWhiteList(address _owner)
only(controller)
public{
whitelist[_owner]=false;
}
// @return true if investor is whitelisted
function isWhitelisted(address _owner) public constant returns (bool) {
return whitelist[_owner];
}
/////////////////
// Controller interface
/////////////////
/// @notice `proxyPayment()` allows the caller to send ether to the Token directly and
/// have the tokens created in an address of their choosing
/// @param _owner The address that will hold the newly created tokens
function proxyPayment(address _owner) payable public returns (bool) {
doPayment(_owner);
return true;
}
/// @notice Notifies the controller about a transfer, for this sale all
/// transfers are allowed by default and no extra notifications are needed
/// @param _from The origin of the transfer
/// @param _to The destination of the transfer
/// @param _amount The amount of the transfer
/// @return False if the controller does not authorize the transfer
function onTransfer(address _from, address _to, uint _amount) public returns (bool) {
// Until the sale is finalized, only allows transfers originated by the sale contract.
// When finalizeSale is called, this function will stop being called and will always be true.
return _from == address(this);
}
/// @notice Notifies the controller about an approval, for this sale all
/// approvals are allowed by default and no extra notifications are needed
/// @param _owner The address that calls `approve()`
/// @param _spender The spender in the `approve()` call
/// @param _amount The amount in the `approve()` call
/// @return False if the controller does not authorize the approval
function onApprove(address _owner, address _spender, uint _amount) public returns (bool) {
// No approve/transferFrom during the sale
return false;
}
/// @dev `doPayment()` is an internal function that sends the ether that this
/// contract receives to the genaroDevMultisig and creates tokens in the address of the
/// @param _owner The address that will hold the newly created tokens
function doPayment(address _owner)
only_during_sale_period
only_sale_not_stopped
only_sale_activated
non_zero_address(_owner)
minimum_value(dust)
maximum_value(maxPerPersion)
internal {
assert(totalCollected+msg.value <= hardCap); //if past hard cap, throw
uint256 boughtTokens = safeDiv(safeMul(msg.value, getPrice(_owner,getBlockNumber())),10**9); // Calculate how many tokens bought
assert(saleWallet.send(msg.value)); //Send fund to multisig
assert(token.generateTokens(_owner,boughtTokens));// Allocate tokens. This will fail after sale is finalized in case it is hidden cap finalized.
totalCollected = safeAdd(totalCollected, msg.value); // Save total collected amount
NewBuyer(_owner, boughtTokens, msg.value);
}
// @notice Function to stop sale for an emergency.
// @dev Only Genaro Dev can do it after it has been activated.
function emergencyStopSale()
only_sale_activated
only_sale_not_stopped
only(genaroDevMultisig)
public {
saleStopped = true;
}
// @notice Function to restart stopped sale.
// @dev Only Genaro Dev can do it after it has been disabled and sale is ongoing.
function restartSale()
only_during_sale_period
only_sale_stopped
only(genaroDevMultisig)
public {
saleStopped = false;
}
function revealCap(uint256 _cap, uint256 _cap_secure)
only_during_sale_period
only_sale_activated
verify_cap(_cap, _cap_secure)
public {
require(_cap <= hardCap);
hardCap = _cap;
CapRevealed(_cap, _cap_secure, msg.sender);
if (totalCollected + dust >= hardCap) {
doFinalizeSale();
}
}
// @notice Finalizes sale generating the tokens for Genaro Dev.
// @dev Transfers the token controller power to the GRPlaceholder.
function finalizeSale()
only(genaroDevMultisig)
public {
require(getBlockNumber() >= finalBlock || totalCollected >= hardCap);
doFinalizeSale();
}
function doFinalizeSale()
internal {
// Doesn't check if saleStopped is false, because sale could end in a emergency stop.
// This function cannot be successfully called twice, because it will top being the controller,
// and the generateTokens call will fail if called again.
//token.changeController(networkPlaceholder); // Sale loses token controller power in favor of network placeholder
token.changeController(genaroDevMultisig);
saleFinalized = true; // Set stop is true which will enable network deployment
saleStopped = true;
}
// @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at.
function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
function setGenaroDevMultisig(address _newMultisig)
non_zero_address(_newMultisig)
only(genaroDevMultisig)
public {
genaroDevMultisig = _newMultisig;
}
function getBlockNumber() constant internal returns (uint) {
return block.number;
}
function computeCap(uint256 _cap, uint256 _cap_secure) constant public returns (bytes32) {
return sha3(_cap, _cap_secure);
}
function isValidCap(uint256 _cap, uint256 _cap_secure) constant public returns (bool) {
return computeCap(_cap, _cap_secure) == capCommitment;
}
modifier only(address x) {
require(msg.sender == x);
_;
}
modifier verify_cap(uint256 _cap, uint256 _cap_secure) {
require(isValidCap(_cap,_cap_secure));
_;
}
modifier only_before_sale {
require(getBlockNumber() < initialBlock);
_;
}
modifier only_during_sale_period {
require(getBlockNumber() >= initialBlock);
require(getBlockNumber() < finalBlock);
_;
}
modifier only_after_sale {
require(getBlockNumber() >= finalBlock);
_;
}
modifier only_sale_stopped {
require(saleStopped);
_;
}
modifier only_sale_not_stopped {
require(!saleStopped);
_;
}
modifier only_before_sale_activation {
require(!isActivated());
_;
}
modifier only_sale_activated {
require(isActivated());
_;
}
modifier only_finalized_sale {
require(getBlockNumber() >= finalBlock);
require(saleFinalized);
_;
}
modifier non_zero_address(address x) {
require(x != 0);
_;
}
modifier maximum_value(uint256 x) {
require(msg.value <= x);
_;
}
modifier minimum_value(uint256 x) {
require(msg.value >= x);
_;
}
} | deployNetwork | function deployNetwork(address networkAddress)
only_finalized_sale
non_zero_address(networkAddress)
only(genaroDevMultisig)
public {
networkPlaceholder.changeController(networkAddress);
}
| // @notice Deploy Genaro Network contract.
// @param networkAddress: The address the network was deployed at. | LineComment | v0.4.13+commit.fb4cb1a | bzzr://e29a1190ddeb39f89f84b275ba938defb31099739569e9f97cc11d2270ccd6e5 | {
"func_code_index": [
12122,
12370
]
} | 59,831 |
|||
NNCProjectToken | patterns\token\ERC777\ERC777Mintable.sol | 0xa67462ff3314c682277771ae2bbcec08877c877a | Solidity | ERC777Mintable | contract ERC777Mintable is ERC777, MinterRole {
/**
* @dev See {ERC777-_mint}.
*
* Requirements:
*
* - the caller must have the {MinterRole}.
*/
function mint(address account, uint256 amount, bytes calldata data) external onlyMinter {
super._mint(_msgSender(), account, amount, data, "");
}
} | /**
* @dev Extension of {ERC777} that adds a set of accounts with the {MinterRole},
* which have permission to mint (create) new tokens as they see fit.
*
* At construction, the deployer of the contract is the only minter.
*/ | NatSpecMultiLine | mint | function mint(address account, uint256 amount, bytes calldata data) external onlyMinter {
super._mint(_msgSender(), account, amount, data, "");
}
| /**
* @dev See {ERC777-_mint}.
*
* Requirements:
*
* - the caller must have the {MinterRole}.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | MIT | bzzr://c1bab4b5e3e40f4294e652b388dfc625ccf21445b4e184e78b601a51d58a2cc2 | {
"func_code_index": [
187,
351
]
} | 59,832 |
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | name | function name() public view returns (string memory) {
return _name;
}
| /**
* @dev Returns the name of the token.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
1946,
2034
]
} | 59,833 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | symbol | function symbol() public view returns (string memory) {
return _symbol;
}
| /**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
2148,
2240
]
} | 59,834 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | decimals | function decimals() public view returns (uint8) {
return _decimals;
}
| /**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
2873,
2961
]
} | 59,835 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | totalSupply | function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
| /**
* @dev See {IERC20-totalSupply}.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
3021,
3126
]
} | 59,836 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | balanceOf | function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
| /**
* @dev See {IERC20-balanceOf}.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
3184,
3308
]
} | 59,837 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | transfer | function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
| /**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
3516,
3696
]
} | 59,838 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | allowance | function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
| /**
* @dev See {IERC20-allowance}.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
3754,
3910
]
} | 59,839 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | approve | function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
| /**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
4052,
4393
]
} | 59,840 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | transferFrom | function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
| /**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
4870,
5196
]
} | 59,841 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | increaseAllowance | function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
| /**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
5600,
5823
]
} | 59,842 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | decreaseAllowance | function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
| /**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
6321,
6595
]
} | 59,843 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | _transfer | function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
| /**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
7080,
8417
]
} | 59,844 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | _mint | function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
| /** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
8694,
9077
]
} | 59,845 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | _burn | function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
| /**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
9405,
9828
]
} | 59,846 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | _approve | function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
| /**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
10261,
10612
]
} | 59,847 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | _setupDecimals | function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
| /**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
10939,
11034
]
} | 59,848 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | _beforeTokenTransfer | function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
| /**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
11636,
11733
]
} | 59,849 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | setStoreAddress | function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
| /**
* @dev Sets {storeAddress} to a value.
*
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
11811,
12124
]
} | 59,850 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | setTaxFee | function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
| /**
* @dev Sets {_taxFee} to a value.
*
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
12197,
12477
]
} | 59,851 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | setUniswapSellTaxFee | function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
| /**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
12561,
12907
]
} | 59,852 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | taxFee | function taxFee() external view returns (uint256) {
return _taxFee;
}
| /**
* @dev See {_taxFee}.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
12960,
13048
]
} | 59,853 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | uniswapSellTaxFee | function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
| /**
* @dev See {_uniswapSellTaxFee}.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
13112,
13222
]
} | 59,854 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | storeAddress | function storeAddress() external view returns (address) {
return _storeAddress;
}
| /**
* @dev See {_storeAddress}.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
13287,
13387
]
} | 59,855 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | maxTransactionAmount | function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
| /**
* @dev See {_maxTransactionAmount}.
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
13454,
13570
]
} | 59,856 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | sortTokens | function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
| /**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
13701,
14055
]
} | 59,857 |
||
degenCORE | degenCORE.sol | 0xadd3e7348e8b8e2eb4f39cbe4a17739d5c41c057 | Solidity | degenCORE | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | pairFor | function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
| /**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/ | NatSpecMultiLine | v0.6.6+commit.6c089d02 | MIT | ipfs://597108c9ae8dfa24d4bfcb8315d92fac9ec9119b5dbb8b3d8146597bb7d6b99d | {
"func_code_index": [
14169,
14652
]
} | 59,858 |
||
PodCoin | PodCoin.sol | 0x62191e09fa1f0ebcad7e10dab011c2393d7315aa | Solidity | Token | contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | // ☯ P o d C o i n
//
// By Mr. 1 50 1 100
//
// Learn more at PodCoin.info | LineComment | totalSupply | function totalSupply() constant returns (uint256 supply) {}
| /// @return total amount of tokens | NatSpecSingleLine | v0.4.19+commit.c4cbbb05 | bzzr://796da5a85d52696efa0568b78d573a1578158bf6685c7a65d0b5ec5ae940a600 | {
"func_code_index": [
60,
124
]
} | 59,859 |
|
PodCoin | PodCoin.sol | 0x62191e09fa1f0ebcad7e10dab011c2393d7315aa | Solidity | Token | contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | // ☯ P o d C o i n
//
// By Mr. 1 50 1 100
//
// Learn more at PodCoin.info | LineComment | balanceOf | function balanceOf(address _owner) constant returns (uint256 balance) {}
| /// @param _owner The address from which the balance will be retrieved
/// @return The balance | NatSpecSingleLine | v0.4.19+commit.c4cbbb05 | bzzr://796da5a85d52696efa0568b78d573a1578158bf6685c7a65d0b5ec5ae940a600 | {
"func_code_index": [
232,
309
]
} | 59,860 |
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