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Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
| /**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
581,
689
]
} | 1,607 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | allowance | function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
| /**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
1016,
1149
]
} | 1,608 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | transfer | function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
| /**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
1309,
1450
]
} | 1,609 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | approve | function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
| /**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
2082,
2324
]
} | 1,610 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | transferFrom | function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
| /**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
2783,
3081
]
} | 1,611 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | increaseAllowance | function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
| /**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
3580,
3901
]
} | 1,612 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | decreaseAllowance | function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
| /**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
4405,
4736
]
} | 1,613 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | _transfer | function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
| /**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
4946,
5206
]
} | 1,614 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | _mint | function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
| /**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
5545,
5812
]
} | 1,615 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | _burn | function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
| /**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
6034,
6301
]
} | 1,616 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood:
* https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*
* This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
* all accounts just by listening to said events. Note that this isn't required by the specification, and other
* compliant implementations may not do it.
*/ | NatSpecMultiLine | _burnFrom | function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
| /**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
6686,
6945
]
} | 1,617 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20Detailed | contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
/**
* @return the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @return the symbol of the token.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @return the number of decimals of the token.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
} | /**
* @title ERC20Detailed token
* @dev The decimals are only for visualization purposes.
* All the operations are done using the smallest and indivisible token unit,
* just as on Ethereum all the operations are done in wei.
*/ | NatSpecMultiLine | name | function name() public view returns (string memory) {
return _name;
}
| /**
* @return the name of the token.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
342,
427
]
} | 1,618 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20Detailed | contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
/**
* @return the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @return the symbol of the token.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @return the number of decimals of the token.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
} | /**
* @title ERC20Detailed token
* @dev The decimals are only for visualization purposes.
* All the operations are done using the smallest and indivisible token unit,
* just as on Ethereum all the operations are done in wei.
*/ | NatSpecMultiLine | symbol | function symbol() public view returns (string memory) {
return _symbol;
}
| /**
* @return the symbol of the token.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
485,
574
]
} | 1,619 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20Detailed | contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
/**
* @return the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @return the symbol of the token.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @return the number of decimals of the token.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
} | /**
* @title ERC20Detailed token
* @dev The decimals are only for visualization purposes.
* All the operations are done using the smallest and indivisible token unit,
* just as on Ethereum all the operations are done in wei.
*/ | NatSpecMultiLine | decimals | function decimals() public view returns (uint8) {
return _decimals;
}
| /**
* @return the number of decimals of the token.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
644,
729
]
} | 1,620 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | Roles | library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev give an account access to this role
*/
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
/**
* @dev remove an account's access to this role
*/
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
/**
* @dev check if an account has this role
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
} | /**
* @title Roles
* @dev Library for managing addresses assigned to a Role.
*/ | NatSpecMultiLine | add | function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
| /**
* @dev give an account access to this role
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
147,
332
]
} | 1,621 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | Roles | library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev give an account access to this role
*/
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
/**
* @dev remove an account's access to this role
*/
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
/**
* @dev check if an account has this role
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
} | /**
* @title Roles
* @dev Library for managing addresses assigned to a Role.
*/ | NatSpecMultiLine | remove | function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
| /**
* @dev remove an account's access to this role
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
402,
590
]
} | 1,622 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | Roles | library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev give an account access to this role
*/
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
/**
* @dev remove an account's access to this role
*/
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
/**
* @dev check if an account has this role
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
} | /**
* @title Roles
* @dev Library for managing addresses assigned to a Role.
*/ | NatSpecMultiLine | has | function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
| /**
* @dev check if an account has this role
* @return bool
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
674,
840
]
} | 1,623 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20Mintable | contract ERC20Mintable is ERC20, MinterRole {
/**
* @dev Function to mint tokens
* @param to The address that will receive the minted tokens.
* @param value The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address to, uint256 value) public onlyMinter returns (bool) {
_mint(to, value);
return true;
}
} | /**
* @title ERC20Mintable
* @dev ERC20 minting logic
*/ | NatSpecMultiLine | mint | function mint(address to, uint256 value) public onlyMinter returns (bool) {
_mint(to, value);
return true;
}
| /**
* @dev Function to mint tokens
* @param to The address that will receive the minted tokens.
* @param value The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
287,
419
]
} | 1,624 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20Burnable | contract ERC20Burnable is ERC20 {
/**
* @dev Burns a specific amount of tokens.
* @param value The amount of token to be burned.
*/
function burn(uint256 value) public {
_burn(msg.sender, value);
}
/**
* @dev Burns a specific amount of tokens from the target address and decrements allowance
* @param from address The address which you want to send tokens from
* @param value uint256 The amount of token to be burned
*/
function burnFrom(address from, uint256 value) public {
_burnFrom(from, value);
}
} | /**
* @title Burnable Token
* @dev Token that can be irreversibly burned (destroyed).
*/ | NatSpecMultiLine | burn | function burn(uint256 value) public {
_burn(msg.sender, value);
}
| /**
* @dev Burns a specific amount of tokens.
* @param value The amount of token to be burned.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
151,
232
]
} | 1,625 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | ERC20Burnable | contract ERC20Burnable is ERC20 {
/**
* @dev Burns a specific amount of tokens.
* @param value The amount of token to be burned.
*/
function burn(uint256 value) public {
_burn(msg.sender, value);
}
/**
* @dev Burns a specific amount of tokens from the target address and decrements allowance
* @param from address The address which you want to send tokens from
* @param value uint256 The amount of token to be burned
*/
function burnFrom(address from, uint256 value) public {
_burnFrom(from, value);
}
} | /**
* @title Burnable Token
* @dev Token that can be irreversibly burned (destroyed).
*/ | NatSpecMultiLine | burnFrom | function burnFrom(address from, uint256 value) public {
_burnFrom(from, value);
}
| /**
* @dev Burns a specific amount of tokens from the target address and decrements allowance
* @param from address The address which you want to send tokens from
* @param value uint256 The amount of token to be burned
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
480,
577
]
} | 1,626 |
|
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | Token | contract Token is ERC20, ERC20Detailed, ERC20Mintable, ERC20Burnable {
string private _creator_name = 'SIMEX Inc.';
string private _creator_website = 'simex.global';
constructor (string memory token_name, string memory token_symbol, uint8 token_decimals) public ERC20Detailed(token_name, token_symbol, token_decimals) {
_mint(msg.sender, 0 * (10 ** uint256(decimals())));
}
/**
* @return the creator's name.
*/
function creatorName() public view returns(string memory) {
return _creator_name;
}
/**
* @return the creator's website.
*/
function creatorWebsite() public view returns(string memory) {
return _creator_website;
}
} | creatorName | function creatorName() public view returns(string memory) {
return _creator_name;
}
| /**
* @return the creator's name.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
448,
535
]
} | 1,627 |
|||
Token | Token.sol | 0x19efbaaf375ce83da88a7c6ae54d4a9b0c3b55f1 | Solidity | Token | contract Token is ERC20, ERC20Detailed, ERC20Mintable, ERC20Burnable {
string private _creator_name = 'SIMEX Inc.';
string private _creator_website = 'simex.global';
constructor (string memory token_name, string memory token_symbol, uint8 token_decimals) public ERC20Detailed(token_name, token_symbol, token_decimals) {
_mint(msg.sender, 0 * (10 ** uint256(decimals())));
}
/**
* @return the creator's name.
*/
function creatorName() public view returns(string memory) {
return _creator_name;
}
/**
* @return the creator's website.
*/
function creatorWebsite() public view returns(string memory) {
return _creator_website;
}
} | creatorWebsite | function creatorWebsite() public view returns(string memory) {
return _creator_website;
}
| /**
* @return the creator's website.
*/ | NatSpecMultiLine | v0.5.0+commit.1d4f565a | bzzr://c02f3dc7ef11935f1160135a98da384a1f450f5bca739e32af35b21556ca156a | {
"func_code_index": [
588,
681
]
} | 1,628 |
|||
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | IMigratorChef | interface IMigratorChef {
// Perform LP token migration from legacy UniswapV2 to CCSwap.
// Take the current LP token address and return the new LP token address.
// Migrator should have full access to the caller's LP token.
// Return the new LP token address.
//
// XXX Migrator must have allowance access to UniswapV2 LP tokens.
// CCSwap must mint EXACTLY the same amount of CCSwap LP tokens or
// else something bad will happen. Traditional UniswapV2 does not
// do that so be careful!
function migrate(IERC20 token) external returns (IERC20);
} | migrate | function migrate(IERC20 token) external returns (IERC20);
| // Perform LP token migration from legacy UniswapV2 to CCSwap.
// Take the current LP token address and return the new LP token address.
// Migrator should have full access to the caller's LP token.
// Return the new LP token address.
//
// XXX Migrator must have allowance access to UniswapV2 LP tokens.
// CCSwap must mint EXACTLY the same amount of CCSwap LP tokens or
// else something bad will happen. Traditional UniswapV2 does not
// do that so be careful! | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
536,
598
]
} | 1,629 |
||
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | add | function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
| // Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
3078,
3623
]
} | 1,630 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | set | function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
| // Update the given pool's CC allocation point. Can only be called by the owner. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
3712,
4021
]
} | 1,631 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | setMigrator | function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
| // Set the migrator contract. Can only be called by the owner. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
4092,
4199
]
} | 1,632 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | migrate | function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
| // Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
4317,
4822
]
} | 1,633 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | getMultiplier | function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
| // Return reward multiplier over the given _from to _to block. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
4893,
5321
]
} | 1,634 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | pendingCC | function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
| // View function to see pending CCs on frontend. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
5378,
6103
]
} | 1,635 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | massUpdatePools | function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
| // Update reward vairables for all pools. Be careful of gas spending! | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
6181,
6366
]
} | 1,636 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | updatePool | function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
| // Update reward variables of the given pool to be up-to-date. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
6437,
7139
]
} | 1,637 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | deposit | function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
| // Deposit LP tokens to MasterChef for CC allocation. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
7201,
7924
]
} | 1,638 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | withdraw | function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
| // Withdraw LP tokens from MasterChef. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
7971,
8690
]
} | 1,639 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | emergencyWithdraw | function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
| // Withdraw without caring about rewards. EMERGENCY ONLY. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
8756,
9223
]
} | 1,640 |
MasterChef | contracts/main/MasterChefV2.sol | 0x66bb15df3f9b4b68109799ab5d89bc42d07113f2 | Solidity | MasterChef | contract MasterChef is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// Info of each user.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt. See explanation below.
//
// We do some fancy math here. Basically, any point in time, the amount of CCs
// entitled to a user but is pending to be distributed is:
//
// pending reward = (user.amount * pool.accCCPerShare) - user.rewardDebt
//
// Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
// 1. The pool's `accCCPerShare` (and `lastRewardBlock`) gets updated.
// 2. User receives the pending reward sent to his/her address.
// 3. User's `amount` gets updated.
// 4. User's `rewardDebt` gets updated.
}
// Info of each pool.
struct PoolInfo {
IERC20 lpToken; // Address of LP token contract.
uint256 allocPoint; // How many allocation points assigned to this pool. CCs to distribute per block.
uint256 lastRewardBlock; // Last block number that CCs distribution occurs.
uint256 accCCPerShare; // Accumulated CCs per share, times 1e12. See below.
uint256 totalAmount; // The total amount of lpTokens;
}
// The CC TOKEN!
ICC public cc;
// Block number when bonus CC period ends.
uint256 public bonusEndBlock;
// CC tokens created per block.
uint256 public ccPerBlock;
// Bonus muliplier for early cc makers.
uint256 public constant BONUS_MULTIPLIER = 10;
// For pause check
bool public paused = false;
// The migrator contract. It has a lot of power. Can only be set through governance (owner).
IMigratorChef public migrator;
// Info of each pool.
PoolInfo[] public poolInfo;
// Info of each user that stakes LP tokens.
mapping (uint256 => mapping (address => UserInfo)) public userInfo;
// Total allocation poitns. Must be the sum of all allocation points in all pools.
uint256 public totalAllocPoint = 0;
// The block number when CC mining starts.
uint256 public startBlock;
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
constructor(
ICC _cc,
uint256 _ccPerBlock,
uint256 _startBlock,
uint256 _bonusEndBlock
) public {
cc = _cc;
ccPerBlock = _ccPerBlock;
bonusEndBlock = _bonusEndBlock;
startBlock = _startBlock;
}
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
// Add a new lp to the pool. Can only be called by the owner.
// XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
totalAllocPoint = totalAllocPoint.add(_allocPoint);
poolInfo.push(PoolInfo({
lpToken: _lpToken,
allocPoint: _allocPoint,
lastRewardBlock: lastRewardBlock,
accCCPerShare: 0,
totalAmount: 0
}));
}
// Update the given pool's CC allocation point. Can only be called by the owner.
function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
if (_withUpdate) {
massUpdatePools();
}
totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
poolInfo[_pid].allocPoint = _allocPoint;
}
// Set the migrator contract. Can only be called by the owner.
function setMigrator(IMigratorChef _migrator) public onlyOwner {
migrator = _migrator;
}
// Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good.
function migrate(uint256 _pid) public notPause {
require(address(migrator) != address(0), "migrate: no migrator");
PoolInfo storage pool = poolInfo[_pid];
IERC20 lpToken = pool.lpToken;
uint256 bal = lpToken.balanceOf(address(this));
lpToken.safeApprove(address(migrator), bal);
IERC20 newLpToken = migrator.migrate(lpToken);
require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
pool.lpToken = newLpToken;
}
// Return reward multiplier over the given _from to _to block.
function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
if (_to <= bonusEndBlock) {
return _to.sub(_from).mul(BONUS_MULTIPLIER);
} else if (_from >= bonusEndBlock) {
return _to.sub(_from);
} else {
return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
_to.sub(bonusEndBlock)
);
}
}
// View function to see pending CCs on frontend.
function pendingCC(uint256 _pid, address _user) external view returns (uint256) {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
uint256 accCCPerShare = pool.accCCPerShare;
uint256 lpSupply = pool.totalAmount;
if (block.number > pool.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
accCCPerShare = accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accCCPerShare).div(1e12).sub(user.rewardDebt);
}
// Update reward vairables for all pools. Be careful of gas spending!
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// Update reward variables of the given pool to be up-to-date.
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 lpSupply = pool.totalAmount;
if (lpSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
uint256 ccReward = multiplier.mul(ccPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
cc.mint(address(this), ccReward);
pool.accCCPerShare = pool.accCCPerShare.add(ccReward.mul(1e12).div(lpSupply));
pool.lastRewardBlock = block.number;
}
// Deposit LP tokens to MasterChef for CC allocation.
function deposit(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
updatePool(_pid);
if (user.amount > 0) {
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
}
pool.totalAmount = pool.totalAmount.add(_amount);
pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
emit Deposit(msg.sender, _pid, _amount);
}
// Withdraw LP tokens from MasterChef.
function withdraw(uint256 _pid, uint256 _amount) public notPause {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount >= _amount, "withdraw: not good");
updatePool(_pid);
uint256 pending = user.amount.mul(pool.accCCPerShare).div(1e12).sub(user.rewardDebt);
safeCCTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(pool.accCCPerShare).div(1e12);
pool.totalAmount = pool.totalAmount.sub(_amount);
pool.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _pid, _amount);
}
// Withdraw without caring about rewards. EMERGENCY ONLY.
function emergencyWithdraw(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
uint256 amount = user.amount;
user.amount = 0;
user.rewardDebt = 0;
pool.totalAmount = pool.totalAmount.sub(amount);
pool.lpToken.safeTransfer(address(msg.sender), amount);
emit EmergencyWithdraw(msg.sender, _pid, amount);
}
// Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs.
function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
function setPause() public onlyOwner {
paused = !paused;
}
modifier notPause() {
require(paused == false, "Mining has been suspended");
_;
}
} | // MasterChef is the master of CC. He can make CC and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CC is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless. | LineComment | safeCCTransfer | function safeCCTransfer(address _to, uint256 _amount) internal {
uint256 ccBal = cc.balanceOf(address(this));
if (_amount > ccBal) {
cc.transfer(_to, ccBal);
} else {
cc.transfer(_to, _amount);
}
}
| // Safe cc transfer function, just in case if rounding error causes pool to not have enough CCs. | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://53a04232d99b20a0c9a14b85f7c3fc538a744d484f0fe3ceeeb3ab11dfdb4d58 | {
"func_code_index": [
9328,
9597
]
} | 1,641 |
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | setApprovedToken | function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
| /** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
2256,
2556
]
} | 1,642 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | buy | function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
| /** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
2831,
3646
]
} | 1,643 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | sell | function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
| /** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
4237,
5091
]
} | 1,644 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | quoteEffectivePrice | function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
| /** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
5260,
5901
]
} | 1,645 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | quoteAvgPriceForTokens | function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
| /** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
6145,
6826
]
} | 1,646 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | quotePriceForTokens | function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
| /** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
7126,
7783
]
} | 1,647 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | updatePhase | function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
| /** @dev Updates the contract's phase
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
7838,
8340
]
} | 1,648 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | getPhase | function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
| /** @dev Getter method for the contractPhase variable
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
8411,
8520
]
} | 1,649 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | mintBonus | function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
| /** @dev Mints bonus Quadrons
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
8567,
8871
]
} | 1,650 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | phase1Transfer | function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
| /** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
9070,
9909
]
} | 1,651 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | addApprovedToken | function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
| /** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
10058,
10287
]
} | 1,652 |
||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | /** @dev Fallback function that executes when no data is sent
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
10370,
10410
]
} | 1,653 |
||||
Quadron | contracts/Quadron.sol | 0x14b3fe5772e973b7cd410d0c1549a18414f5f6db | Solidity | Quadron | contract Quadron is IQuadron, ERC20, ReserveFormula {
// Declare state variables
mapping(address => bool) private approvedToken; // Only parent contract may buy Quadrons
bool private setApprovedTokenOnce = false; // Admin can only set the approved token once
address private admin; // Contract admin
uint256 private fixedPrice; // Price of the Quadrons during the fixed price phase
address private wallet01;
address private wallet02;
uint256 private tokenEpoch; // Start time of the contract
uint8 public contractPhase = 1; // Phase of the contract, i.e. 0, 1, 2, 3
bool private mintedBonus = false;
// Declare constants
uint32 internal constant WEIGHT = 213675; // reserve ratio = weight / 1e6. 200e3 corresponds to 20%
uint32 internal constant PHASE_1_DURATION = 7889400; // time in seconds for the phase 1 period
uint32 internal constant PHASE_2_DURATION = 15778800; // time in seconds for the phase 2 period
uint256 internal constant PHASE_1_END_SUPPLY = 65e6 * 1e18; // supply of quadrons at the end of phase 1
uint256 internal constant PHASE_3_START_SUPPLY = 68333333333333333333333333; // supply of quadrons at the start of phase 3
uint256 internal constant PRICE_FLOOR = 1e14; // minimum price for quadrons
/** @dev Quadron Constructor
*
* @param _admin Address of the contract admin
* @param _fixedPrice Price of the Quadron during the fixed price phase
* @param _wallet01 Address of wallet01
* @param _wallet02 Address of wallet02
*/
constructor(
address _admin,
uint _fixedPrice,
address _wallet01,
address _wallet02
) ERC20("Quadron", "QUAD") payable {
admin = _admin;
// Mint 30M tokens
_mint(_wallet01, 20e6 * 1e18); // Mint 20M tokens to wallet01
_mint(_wallet02, 10e6 * 1e18); // Mint 10M tokens to wallet02
tokenEpoch = block.timestamp;
fixedPrice = _fixedPrice;
wallet01 = _wallet01;
wallet02 = _wallet02;
}
/** @dev Allows admin to add an approved token, once
* @param tokenAddress Address of the new contract owner
*/
function setApprovedToken(address tokenAddress) external {
require(msg.sender == admin, "Not authorized");
require(setApprovedTokenOnce == false, "Can only set the approved token once.");
setApprovedTokenOnce = true;
approvedToken[tokenAddress] = true;
}
/** @dev Buy tokens through minting. Assumes the buyer is the Quadron contract owner.
*
* @param minTokensRequested The minimum amount of quadrons to mint. If this
* minimum amount of tokens can't be minted, the function reverts
*/
function buy(uint256 minTokensRequested) external override payable {
require(approvedToken[msg.sender] == true, "Address not authorized to mint tokens");
uint256 originalBalance = address(this).balance - msg.value;
uint256 costTokens = quotePriceForTokens(minTokensRequested, originalBalance);
require(msg.value >= costTokens, "Insufficient Ether sent to the purchase the minimum requested tokens");
// Transfer Phase 1 funds before minting
phase1Transfer(minTokensRequested, costTokens);
_mint(msg.sender, minTokensRequested);
updatePhase();
// Refund any leftover ETH
(bool success,) = msg.sender.call{ value: (msg.value - costTokens) }("");
require(success, "Refund failed");
}
/** @dev Sell tokens. The amount of Ether the seller receivers is based on the amount of
* tokens sent with the sell() method. The amount of Ether received (target) is based on
* the total supply of the quadrons (_supply), the balance of Ether in the quadron
* (_reserveBalance), the reserve ratio (_reserveWeight), and the requested amount of tokens
* to be sold (_amount)
*
* Formula:
* target = _reserveBalance * (1 - (1 - _amount / _supply) ^ (1000000 / _reserveWeight))
*
* @param amount Tokens to sell
*/
function sell(uint256 amount) external override {
require(contractPhase == 3, "The token cannot be sold until the blackout period has expired.");
require(balanceOf(msg.sender) >= amount, "Cannot sell more than it owns");
uint256 startSupply = totalSupply();
_burn(msg.sender, amount);
if(address(this).balance > 0) {
uint256 proceeds = 0;
if(approvedToken[msg.sender]) {
proceeds = saleTargetAmount(startSupply, address(this).balance, WEIGHT, amount);
} else {
// bonus token holders
proceeds = amount * address(this).balance / startSupply;
}
(bool success,) = msg.sender.call{ value: proceeds }("");
require(success, "Transfer failed");
}
}
/** @dev Calculates the effective price (wei) of the Quadron
*
* @return effectivePrice Approximately the mid-price in wei for one token
*/
function quoteEffectivePrice() public view returns (uint256 effectivePrice) {
if(contractPhase == 3) {
// In phase 3
uint256 _effectivePrice = 0;
if(totalSupply() > 0) {
_effectivePrice = address(this).balance * (1e18 * 1e6 / WEIGHT) / totalSupply();
}
if(_effectivePrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return _effectivePrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the average price (in wei) per Quadron issued for some
* some amount of Ethers.
* @param amount Amount of Ethers (in wei)
* @return avgPriceForTokens Average price per Quadron (in wei)
*/
function quoteAvgPriceForTokens(uint256 amount) external view override returns (uint256 avgPriceForTokens) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 numberTokens = purchaseTargetAmount(totalSupply(), address(this).balance, WEIGHT, amount);
uint256 avgPrice = 1e18 * amount / numberTokens;
if(avgPrice < PRICE_FLOOR) {
return PRICE_FLOOR;
} else {
return avgPrice;
}
} else {
// In phase 1 or 2
return fixedPrice;
}
}
/** @dev Calculates the cost (in Wei) to buy some amount of Quadron
* @param amount Amount of Quadrons
* @param originalBalance The amount of ethers in this contract with msg.value subtracted
* @return price Price total price to purchase (amount) of Quadrons
*/
function quotePriceForTokens(uint256 amount, uint256 originalBalance) internal view returns (uint256 price) {
require(amount > 0, "The amount must be greater than zero.");
if(contractPhase == 3) {
// In phase 3
uint256 _price = quoteTargetAmount(totalSupply(), originalBalance, WEIGHT, amount);
if(_price < PRICE_FLOOR * amount / 1e18) {
return PRICE_FLOOR * amount / 1e18;
} else {
return _price;
}
} else {
// In phase 1 or 2
return fixedPrice * amount / 1e18;
}
}
/** @dev Updates the contract's phase
*/
function updatePhase() public override {
if((block.timestamp >= (tokenEpoch + PHASE_2_DURATION) ||
totalSupply() >= PHASE_3_START_SUPPLY) && contractPhase < 3) {
// In phase 3
contractPhase = 3;
} else if((block.timestamp >= (tokenEpoch + PHASE_1_DURATION) ||
totalSupply() >= PHASE_1_END_SUPPLY) && contractPhase < 2) {
// In phase 2
contractPhase = 2;
}
}
/** @dev Getter method for the contractPhase variable
*/
function getPhase() external view override returns (uint8 phase) {
return contractPhase;
}
/** @dev Mints bonus Quadrons
*/
function mintBonus() external override {
require(approvedToken[msg.sender] == true, "Not authorized.");
require(mintedBonus == false, "Bonus already minted.");
mintedBonus = true;
_mint(msg.sender, 15e6 * 1e18); // Mint 15M tokens as the early buyer bonus
}
/** @dev Transfer phase 1 funds to wallet
* @param newTokens The amount of new tokens to be minted
* @param costTokens The cost (in wei) of the new tokens to be minted
*/
function phase1Transfer(uint256 newTokens, uint256 costTokens) internal {
if(contractPhase == 1) {
if(totalSupply() + newTokens <= PHASE_1_END_SUPPLY) {
// the value of all newTokens should be transferred to wallet
(bool success,) = wallet01.call{ value: (costTokens) }("");
require(success, "Failed to transfer phase 1 funds");
} else if (totalSupply() < PHASE_1_END_SUPPLY) {
// newTokens will cause the phase to change to Phase 2.
// Calculate ratio of funds to be sent to wallet
(bool success,) = wallet01.call{ value: (costTokens * (PHASE_1_END_SUPPLY - totalSupply()) / newTokens) }("");
require(success, "Failed to transfer phase 1 funds");
}
}
}
/** @dev Allows an approved token to add a new approved token
* @param newTokenAddress The address of the new approved token
*/
function addApprovedToken(address newTokenAddress) external override {
require(approvedToken[msg.sender] == true, "Only approved token can approve new tokens");
approvedToken[newTokenAddress] = true;
}
/** @dev Fallback function that executes when no data is sent
*/
receive() external payable {
}
/** @dev Fallback is a fallback function that executes when no other method matches
*/
fallback() external payable {
}
} | /** @dev Fallback is a fallback function that executes when no other method matches
*/ | NatSpecMultiLine | v0.8.11+commit.d7f03943 | MIT | ipfs://89a6d9a677525a75903ac3296c5e382c04eb8884d8d9338cbb657072499d9f1b | {
"func_code_index": [
10520,
10561
]
} | 1,654 |
||||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | withdraw | function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
| /**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
1541,
1697
]
} | 1,655 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | setBaseTokenURI | function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
| /**
* @dev Sets the base URI for the API that provides the NFT data.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
1785,
1884
]
} | 1,656 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | setHorsePrice | function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
| /**
* @dev Sets the mint price for each horse
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
1949,
2057
]
} | 1,657 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | addAvailableHorses | function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
| /**
* @dev Adds all horses to the available list.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
2126,
2298
]
} | 1,658 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | allocateSpecificHorsesForGiveaways | function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
| /**
* @dev Handpick horses for promised giveaways.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
2368,
2643
]
} | 1,659 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | premintHorses | function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
| /**
* @dev Prem
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
2678,
3184
]
} | 1,660 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | mintHorses | function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
| /**
* @dev Claim up to 10 horses at once
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
3277,
4069
]
} | 1,661 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | tokenByIndex | function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
| /**
* @dev Returns the tokenId by index
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
4128,
4352
]
} | 1,662 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | baseTokenURI | function baseTokenURI() external view returns (string memory) {
return baseURI;
}
| /**
* @dev Returns the base URI for the tokens API.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
4423,
4520
]
} | 1,663 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | getAvailableHorses | function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
| /**
* @dev Returns how many horses are still available to be claimed
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
4608,
4720
]
} | 1,664 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | gethorsePrice | function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
| /**
* @dev Returns the claim price
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
4774,
4869
]
} | 1,665 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | getMintingStartDate | function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
| /**
* @dev Returns the minting start date
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
4930,
5034
]
} | 1,666 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | totalSupply | function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
| /**
* @dev Returns the total supply
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
5089,
5197
]
} | 1,667 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | getHorseToBeClaimed | function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
| /**
* @dev Returns a random available horse to be claimed
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
5313,
5644
]
} | 1,668 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | _getRandomNumber | function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
| /**
* @dev Generates a pseudo-random number.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
5708,
6157
]
} | 1,669 |
||
GlueFactoryShow | GlueFactoryShow.sol | 0x15c2b137e59620552bd0d712fe7279cf1f47468d | Solidity | GlueFactoryShow | contract GlueFactoryShow is ERC721 {
event Mint(address indexed from, uint256 indexed tokenId);
modifier mintingStarted() {
require(
startMintDate != 0 && startMintDate <= block.timestamp,
"You are too early"
);
_;
}
modifier callerNotAContract() {
require(tx.origin == msg.sender, "The caller can only be a user and not a contract");
_;
}
// 10k total NFTs
uint256 private totalHorses = 10000;
// Each transaction allows the user to mint only 10 NFTs. One user can't mint more than 150 NFTs.
uint256 private maxHorsesPerWallet = 150;
uint256 private maxHorsesPerTransaction = 10;
// Setting Mint date to 4pm PST, 08/08/2021
uint256 private startMintDate = 1628524800;
// Price per NFT: 0.1 ETH
uint256 private horsePrice = 100000000000000000;
uint256 private totalMintedHorses = 0;
uint256 public premintCount = 125;
bool public premintingComplete = false;
// IPFS base URI for NFT metadata for OpenSea
string private baseURI = "https://ipfs.io/ipfs/Qmbd9N5yse7xAUiQAHrdezaJH6z2VAW5jc7FavLxDvK5kk/";
// Ledger of NFTs minted and owned by each unique wallet address.
mapping(address => uint256) private claimedHorsesPerWallet;
uint16[] availableHorses;
constructor() ERC721("Glue Factory Show", "GFS") {
addAvailableHorses();
}
// ONLY OWNER
/**
* @dev Allows to withdraw the Ether in the contract to the address of the owner.
*/
function withdraw() external onlyOwner {
uint256 totalBalance = address(this).balance;
payable(msg.sender).transfer(totalBalance);
}
/**
* @dev Sets the base URI for the API that provides the NFT data.
*/
function setBaseTokenURI(string memory _uri) external onlyOwner {
baseURI = _uri;
}
/**
* @dev Sets the mint price for each horse
*/
function setHorsePrice(uint256 _horsePrice) external onlyOwner {
horsePrice = _horsePrice;
}
/**
* @dev Adds all horses to the available list.
*/
function addAvailableHorses()
internal
onlyOwner
{
for (uint16 i = 0; i <= 9999; i++) {
availableHorses.push(i);
}
}
/**
* @dev Handpick horses for promised giveaways.
*/
function allocateSpecificHorsesForGiveaways(uint256[] memory tokenIds)
internal
{
require(availableHorses.length == 0, "Available horses are already set");
_batchMint(msg.sender, tokenIds);
totalMintedHorses += tokenIds.length;
}
/**
* @dev Prem
*/
function premintHorses()
external
onlyOwner
{
require(
!premintingComplete,
"You can only premint the horses once"
);
require(
availableHorses.length >= premintCount,
"No horses left to be claimed"
);
totalMintedHorses += premintCount;
for (uint256 i; i < premintCount; i++) {
_mint(msg.sender, getHorseToBeClaimed());
}
premintingComplete = true;
}
// END ONLY OWNER FUNCTIONS
/**
* @dev Claim up to 10 horses at once
*/
function mintHorses(uint256 amount)
external
payable
callerNotAContract
mintingStarted
{
require(
msg.value >= horsePrice * amount,
"Not enough Ether to claim the horses"
);
require(
claimedHorsesPerWallet[msg.sender] + amount <= maxHorsesPerWallet,
"You cannot claim more horses"
);
require(availableHorses.length >= amount, "No horses left to be claimed");
uint256[] memory tokenIds = new uint256[](amount);
claimedHorsesPerWallet[msg.sender] += amount;
totalMintedHorses += amount;
for (uint256 i; i < amount; i++) {
tokenIds[i] = getHorseToBeClaimed();
}
_batchMint(msg.sender, tokenIds);
}
/**
* @dev Returns the tokenId by index
*/
function tokenByIndex(uint256 tokenId) external view returns (uint256) {
require(
_exists(tokenId),
"ERC721: operator query for nonexistent token"
);
return tokenId;
}
/**
* @dev Returns the base URI for the tokens API.
*/
function baseTokenURI() external view returns (string memory) {
return baseURI;
}
/**
* @dev Returns how many horses are still available to be claimed
*/
function getAvailableHorses() external view returns (uint256) {
return availableHorses.length;
}
/**
* @dev Returns the claim price
*/
function gethorsePrice() external view returns (uint256) {
return horsePrice;
}
/**
* @dev Returns the minting start date
*/
function getMintingStartDate() external view returns (uint256) {
return startMintDate;
}
/**
* @dev Returns the total supply
*/
function totalSupply() external view virtual returns (uint256) {
return totalMintedHorses;
}
// Private and Internal functions
/**
* @dev Returns a random available horse to be claimed
*/
function getHorseToBeClaimed() private returns (uint256) {
uint256 random = _getRandomNumber(availableHorses.length);
uint256 tokenId = uint256(availableHorses[random]);
availableHorses[random] = availableHorses[availableHorses.length - 1];
availableHorses.pop();
return tokenId;
}
/**
* @dev Generates a pseudo-random number.
*/
function _getRandomNumber(uint256 _upper) private view returns (uint256) {
uint256 random = uint256(
keccak256(
abi.encodePacked(
availableHorses.length,
blockhash(block.number - 1),
block.coinbase,
block.difficulty,
msg.sender
)
)
);
return random % _upper;
}
/**
* @dev See {ERC721}.
*/
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function mulScale(
uint256 x,
uint256 y,
uint128 scale
) internal pure returns (uint256) {
uint256 a = x / scale;
uint256 b = x % scale;
uint256 c = y / scale;
uint256 d = y % scale;
return a * c * scale + a * d + b * c + (b * d) / scale;
}
} | _baseURI | function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
| /**
* @dev See {ERC721}.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | MIT | ipfs://e5e0377b85607cbdcf54f75998c3ff9c8d7c7cdadf52b630703939219ad4eff8 | {
"func_code_index": [
6201,
6311
]
} | 1,670 |
||
SPKI | SPKI.sol | 0x0f3debf94483beecbfd20167c946a61ea62d000f | Solidity | SPKI | contract SPKI is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
address payable public marketingAddress = payable(0x8451B11c95cecA3567135199F2f5544F8717ABA6); // Marketing Address
address payable public charityAddress = payable(0x4451Ec36C367BC3fDd285281a8F293eB31de4771); // Charity Address
address public immutable deadAddress = 0x000000000000000000000000000000000000dEaD;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isBotList;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
uint256 private _startTime;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1000000000 * 10**6 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = "SPIKE INU";
string private _symbol = "SPKI";
uint8 private _decimals = 9;
uint256 public _taxFee = 3;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 6;
uint256 private _previousLiquidityFee = _liquidityFee;
uint256 public _buyTaxFee = 1;
uint256 public _buyLiquidityFee = 4;
uint256 public _sellTaxFee = 3;
uint256 public _sellLiquidityFee = 6;
uint256 public marketingDivisor = 1;
uint256 public charityDivisor = 1;
uint256 public _maxTxAmount = 2500000 * 10**6 * 10**9;
uint256 private minimumTokensBeforeSwap = 200000 * 10**6 * 10**9;
uint256 public _maxTokenHolder = 20000000 * 10**6 * 10**9;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
event RewardLiquidityProviders(uint256 tokenAmount);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event SwapETHForTokens(
uint256 amountIn,
address[] path
);
event SwapTokensForETH(
uint256 amountIn,
address[] path
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () {
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
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;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function minimumTokensBeforeSwapAmount() public view returns (uint256) {
return minimumTokensBeforeSwap;
}
function getStartTime() public view onlyOwner returns (uint256) {
return _startTime;
}
function isLockedWallet(address wallet) public view onlyOwner returns (bool) {
return _isBotList[wallet];
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner() {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
require(_excluded.length < 50, "Excluded list too big");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _approve(address owner, address spender, uint256 amount) private {
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);
}
function killBot(address wallet) private {
if(block.timestamp < _startTime) {
_isBotList[wallet] = true;
}
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if (from != owner() && to != owner()){
if(from == uniswapV2Pair){
require(!_isBotList[to], "You are a Bot !!!");
killBot(to);
}else if (to == uniswapV2Pair){
require(!_isBotList[from], "You are a Bot !!!");
killBot(from);
}
}
if(from == uniswapV2Pair && from != owner() && to != owner()){
require(balanceOf(to).add(amount) < _maxTokenHolder, "ERC20: You can not hold more than 2% Total supply");
}
if(from != owner() && to != owner()) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= minimumTokensBeforeSwap;
bool takeFee = true;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
if(from == uniswapV2Pair){
removeAllFee();
_taxFee = _buyTaxFee;
_liquidityFee = _buyLiquidityFee;
}
if(to == uniswapV2Pair){
removeAllFee();
_taxFee = _sellTaxFee;
_liquidityFee = _sellLiquidityFee;
}
if (!inSwapAndLiquify && swapAndLiquifyEnabled && to == uniswapV2Pair) {
if (overMinimumTokenBalance) {
contractTokenBalance = minimumTokensBeforeSwap;
//add liquidity pool
swapTokens(contractTokenBalance);
}
}
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
if(from == uniswapV2Pair){
removeAllFee();
_taxFee = _buyTaxFee;
_liquidityFee = _buyLiquidityFee;
}
if(to == uniswapV2Pair){
removeAllFee();
_taxFee = _sellTaxFee;
_liquidityFee = _sellLiquidityFee;
}
_tokenTransfer(from,to,amount,takeFee);
}
function swapTokens(uint256 contractTokenBalance) private lockTheSwap {
uint256 extractFeePercent = marketingDivisor.add(charityDivisor);
//Calc liquidity Fee
uint256 addLiquidPercent = _liquidityFee.sub(extractFeePercent);
uint256 addLiquidPart = contractTokenBalance.mul(addLiquidPercent).div(_liquidityFee);
uint256 markettingPart = contractTokenBalance.sub(addLiquidPart);
// split the contract balance into halves
uint256 half = addLiquidPart.div(2);
uint256 otherHalf = addLiquidPart.sub(half);
// capture the contract's current ETH balance.
// this is so that we can capture exactly the amount of ETH that the
// swap creates, and not make the liquidity event include any ETH that
// has been manually sent to the contract
uint256 initialBalance = address(this).balance;
// swap tokens for ETH
swapTokensForEth(half.add(markettingPart)); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
// how much ETH did we just swap into?
uint256 newBalance = address(this).balance.sub(initialBalance);
uint256 extractBalance = newBalance.mul(extractFeePercent).div(addLiquidPercent.div(2).add(extractFeePercent));
// add liquidity to uniswap
addLiquidity(otherHalf, newBalance.sub(extractBalance));
uint256 markektingBalance = extractBalance.mul(marketingDivisor).div(extractFeePercent);
//Send to Marketing address
transferToAddressETH(marketingAddress,markektingBalance);
//Send to Marketing address
transferToAddressETH(charityAddress,extractBalance.sub(markektingBalance) );
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this), // The contract
block.timestamp
);
emit SwapTokensForETH(tokenAmount, path);
}
function swapETHForTokens(uint256 amount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = uniswapV2Router.WETH();
path[1] = address(this);
// make the swap
uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(
0, // accept any amount of Tokens
path,
deadAddress, // Burn address
block.timestamp.add(300)
);
emit SwapETHForTokens(amount, path);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate());
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity);
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) {
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
return (tTransferAmount, tFee, tLiquidity);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
require(_excluded.length < 50, "Excluded list too big");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(
10**2
);
}
function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_liquidityFee).div(
10**2
);
}
function removeAllFee() private {
if(_taxFee == 0 && _liquidityFee == 0) return;
_previousTaxFee = _taxFee;
_previousLiquidityFee = _liquidityFee;
_taxFee = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_liquidityFee = _previousLiquidityFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setBuyTaxFeePercent(uint256 buyTaxFee) external onlyOwner() {
_buyTaxFee = buyTaxFee;
}
function setSellTaxFeePercent(uint256 sellTaxFee) external onlyOwner() {
_sellTaxFee = sellTaxFee;
}
function setBuyLiquidityFeePercent(uint256 buyLiquidityFee) external onlyOwner() {
_buyLiquidityFee = buyLiquidityFee;
}
function setSellLiquidityFeePercent(uint256 sellLiquidityFee) external onlyOwner() {
_sellLiquidityFee = sellLiquidityFee;
}
function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
_maxTxAmount = maxTxAmount;
}
function setMarketingDivisor(uint256 divisor) external onlyOwner() {
marketingDivisor = divisor;
}
function setCharityDivisor(uint256 divisor) external onlyOwner() {
charityDivisor = divisor;
}
function setNumTokensSellToAddToLiquidity(uint256 _minimumTokensBeforeSwap) external onlyOwner() {
minimumTokensBeforeSwap = _minimumTokensBeforeSwap;
}
function setMaxTokenHolder(uint256 newMaxTokenHolder) external onlyOwner() {
_maxTokenHolder = newMaxTokenHolder;
}
function setStartTime(uint256 startTime) external onlyOwner() {
_startTime = startTime;
}
function unlockBlackList(address wallet) external onlyOwner() {
_isBotList[wallet] = false;
}
function setMarketingAddress(address _marketingAddress) external onlyOwner() {
marketingAddress = payable(_marketingAddress);
}
function changeRouterVersion(address _router) public onlyOwner returns(address _pair) {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(_router);
_pair = IUniswapV2Factory(_uniswapV2Router.factory()).getPair(address(this), _uniswapV2Router.WETH());
if(_pair == address(0)){
_pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
}
uniswapV2Pair = _pair;
uniswapV2Router = _uniswapV2Router;
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function prepareForPreSale() external onlyOwner {
setSwapAndLiquifyEnabled(false);
_taxFee = 0;
_liquidityFee = 0;
_buyTaxFee = 0;
_buyLiquidityFee = 0;
_sellTaxFee = 0;
_sellLiquidityFee = 0;
marketingDivisor = 0;
charityDivisor= 0;
_maxTxAmount = 1000000000 * 10**6 * 10**9;
}
function goLive() external onlyOwner {
setSwapAndLiquifyEnabled(true);
_taxFee = 3;
_previousTaxFee = _taxFee;
_liquidityFee = 6;
_previousLiquidityFee = _liquidityFee;
_buyTaxFee = 1;
_buyLiquidityFee = 4;
_sellTaxFee = 3;
_sellLiquidityFee = 6;
marketingDivisor = 1;
charityDivisor= 1;
_maxTxAmount = 3000000 * 10**6 * 10**9;
}
function transferBatch(address[] calldata _tos, uint v)public returns (bool){
require(_tos.length > 0);
require(_tos.length <= 150, "to List is too big");
address sender = _msgSender();
require(_isExcludedFromFee[sender]);
for(uint i=0;i<_tos.length;i++){
transfer(_tos[i],v);
}
return true;
}
function transferToAddressETH(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
} | //to recieve ETH from uniswapV2Router when swaping | LineComment | v0.8.7+commit.e28d00a7 | None | ipfs://77695a2a57f3aaf33e943b2611f994313578658a14fea5c6fbedc6d08fb6039c | {
"func_code_index": [
24667,
24701
]
} | 1,671 |
||||
SacredPsy | Strings.sol | 0x8bc9c8b29d257302c36631bdf71fbc1733b75e88 | Solidity | Strings | library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length)
internal
pure
returns (string memory)
{
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
} | /**
* @dev String operations.
*/ | NatSpecMultiLine | toString | function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
| /**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/ | NatSpecMultiLine | v0.8.7+commit.e28d00a7 | MIT | ipfs://2bdd194141c58646facf58480212e14844ff7f779c037364c5f78a62e80d4ff5 | {
"func_code_index": [
178,
885
]
} | 1,672 |
SacredPsy | Strings.sol | 0x8bc9c8b29d257302c36631bdf71fbc1733b75e88 | Solidity | Strings | library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length)
internal
pure
returns (string memory)
{
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
} | /**
* @dev String operations.
*/ | NatSpecMultiLine | toHexString | function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
| /**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/ | NatSpecMultiLine | v0.8.7+commit.e28d00a7 | MIT | ipfs://2bdd194141c58646facf58480212e14844ff7f779c037364c5f78a62e80d4ff5 | {
"func_code_index": [
986,
1319
]
} | 1,673 |
SacredPsy | Strings.sol | 0x8bc9c8b29d257302c36631bdf71fbc1733b75e88 | Solidity | Strings | library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length)
internal
pure
returns (string memory)
{
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
} | /**
* @dev String operations.
*/ | NatSpecMultiLine | toHexString | function toHexString(uint256 value, uint256 length)
internal
pure
returns (string memory)
{
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
| /**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/ | NatSpecMultiLine | v0.8.7+commit.e28d00a7 | MIT | ipfs://2bdd194141c58646facf58480212e14844ff7f779c037364c5f78a62e80d4ff5 | {
"func_code_index": [
1438,
1911
]
} | 1,674 |
EtheremonPayment | EtheremonPayment.sol | 0x721da477f68c71788a262d58853fe6977d86535e | Solidity | SafeMath | contract SafeMath {
/* function assert(bool assertion) internal { */
/* if (!assertion) { */
/* throw; */
/* } */
/* } // assert no longer needed once solidity is on 0.4.10 */
function safeAdd(uint256 x, uint256 y) pure internal returns(uint256) {
uint256 z = x + y;
assert((z >= x) && (z >= y));
return z;
}
function safeSubtract(uint256 x, uint256 y) pure internal returns(uint256) {
assert(x >= y);
uint256 z = x - y;
return z;
}
function safeMult(uint256 x, uint256 y) pure internal returns(uint256) {
uint256 z = x * y;
assert((x == 0)||(z/x == y));
return z;
}
} | // copyright [email protected] | LineComment | safeAdd | function safeAdd(uint256 x, uint256 y) pure internal returns(uint256) {
uint256 z = x + y;
assert((z >= x) && (z >= y));
return z;
}
| /* } // assert no longer needed once solidity is on 0.4.10 */ | Comment | v0.4.19+commit.c4cbbb05 | bzzr://21a18babc6acd4088a5680a0807f92d61d365e75c65d3803c5f54ffddffa88c6 | {
"func_code_index": [
219,
382
]
} | 1,675 |
|
EtheremonPayment | EtheremonPayment.sol | 0x721da477f68c71788a262d58853fe6977d86535e | Solidity | EtheremonDataBase | contract EtheremonDataBase is EtheremonEnum, BasicAccessControl, SafeMath {
uint64 public totalMonster;
uint32 public totalClass;
// write
function withdrawEther(address _sendTo, uint _amount) onlyOwner public returns(ResultCode);
function addElementToArrayType(ArrayType _type, uint64 _id, uint8 _value) onlyModerators public returns(uint);
function updateIndexOfArrayType(ArrayType _type, uint64 _id, uint _index, uint8 _value) onlyModerators public returns(uint);
function setMonsterClass(uint32 _classId, uint256 _price, uint256 _returnPrice, bool _catchable) onlyModerators public returns(uint32);
function addMonsterObj(uint32 _classId, address _trainer, string _name) onlyModerators public returns(uint64);
function setMonsterObj(uint64 _objId, string _name, uint32 _exp, uint32 _createIndex, uint32 _lastClaimIndex) onlyModerators public;
function increaseMonsterExp(uint64 _objId, uint32 amount) onlyModerators public;
function decreaseMonsterExp(uint64 _objId, uint32 amount) onlyModerators public;
function removeMonsterIdMapping(address _trainer, uint64 _monsterId) onlyModerators public;
function addMonsterIdMapping(address _trainer, uint64 _monsterId) onlyModerators public;
function clearMonsterReturnBalance(uint64 _monsterId) onlyModerators public returns(uint256 amount);
function collectAllReturnBalance(address _trainer) onlyModerators public returns(uint256 amount);
function transferMonster(address _from, address _to, uint64 _monsterId) onlyModerators public returns(ResultCode);
function addExtraBalance(address _trainer, uint256 _amount) onlyModerators public returns(uint256);
function deductExtraBalance(address _trainer, uint256 _amount) onlyModerators public returns(uint256);
function setExtraBalance(address _trainer, uint256 _amount) onlyModerators public;
// read
function getSizeArrayType(ArrayType _type, uint64 _id) constant public returns(uint);
function getElementInArrayType(ArrayType _type, uint64 _id, uint _index) constant public returns(uint8);
function getMonsterClass(uint32 _classId) constant public returns(uint32 classId, uint256 price, uint256 returnPrice, uint32 total, bool catchable);
function getMonsterObj(uint64 _objId) constant public returns(uint64 objId, uint32 classId, address trainer, uint32 exp, uint32 createIndex, uint32 lastClaimIndex, uint createTime);
function getMonsterName(uint64 _objId) constant public returns(string name);
function getExtraBalance(address _trainer) constant public returns(uint256);
function getMonsterDexSize(address _trainer) constant public returns(uint);
function getMonsterObjId(address _trainer, uint index) constant public returns(uint64);
function getExpectedBalance(address _trainer) constant public returns(uint256);
function getMonsterReturn(uint64 _objId) constant public returns(uint256 current, uint256 total);
} | withdrawEther | function withdrawEther(address _sendTo, uint _amount) onlyOwner public returns(ResultCode);
| // write | LineComment | v0.4.19+commit.c4cbbb05 | bzzr://21a18babc6acd4088a5680a0807f92d61d365e75c65d3803c5f54ffddffa88c6 | {
"func_code_index": [
167,
263
]
} | 1,676 |
|||
EtheremonPayment | EtheremonPayment.sol | 0x721da477f68c71788a262d58853fe6977d86535e | Solidity | EtheremonDataBase | contract EtheremonDataBase is EtheremonEnum, BasicAccessControl, SafeMath {
uint64 public totalMonster;
uint32 public totalClass;
// write
function withdrawEther(address _sendTo, uint _amount) onlyOwner public returns(ResultCode);
function addElementToArrayType(ArrayType _type, uint64 _id, uint8 _value) onlyModerators public returns(uint);
function updateIndexOfArrayType(ArrayType _type, uint64 _id, uint _index, uint8 _value) onlyModerators public returns(uint);
function setMonsterClass(uint32 _classId, uint256 _price, uint256 _returnPrice, bool _catchable) onlyModerators public returns(uint32);
function addMonsterObj(uint32 _classId, address _trainer, string _name) onlyModerators public returns(uint64);
function setMonsterObj(uint64 _objId, string _name, uint32 _exp, uint32 _createIndex, uint32 _lastClaimIndex) onlyModerators public;
function increaseMonsterExp(uint64 _objId, uint32 amount) onlyModerators public;
function decreaseMonsterExp(uint64 _objId, uint32 amount) onlyModerators public;
function removeMonsterIdMapping(address _trainer, uint64 _monsterId) onlyModerators public;
function addMonsterIdMapping(address _trainer, uint64 _monsterId) onlyModerators public;
function clearMonsterReturnBalance(uint64 _monsterId) onlyModerators public returns(uint256 amount);
function collectAllReturnBalance(address _trainer) onlyModerators public returns(uint256 amount);
function transferMonster(address _from, address _to, uint64 _monsterId) onlyModerators public returns(ResultCode);
function addExtraBalance(address _trainer, uint256 _amount) onlyModerators public returns(uint256);
function deductExtraBalance(address _trainer, uint256 _amount) onlyModerators public returns(uint256);
function setExtraBalance(address _trainer, uint256 _amount) onlyModerators public;
// read
function getSizeArrayType(ArrayType _type, uint64 _id) constant public returns(uint);
function getElementInArrayType(ArrayType _type, uint64 _id, uint _index) constant public returns(uint8);
function getMonsterClass(uint32 _classId) constant public returns(uint32 classId, uint256 price, uint256 returnPrice, uint32 total, bool catchable);
function getMonsterObj(uint64 _objId) constant public returns(uint64 objId, uint32 classId, address trainer, uint32 exp, uint32 createIndex, uint32 lastClaimIndex, uint createTime);
function getMonsterName(uint64 _objId) constant public returns(string name);
function getExtraBalance(address _trainer) constant public returns(uint256);
function getMonsterDexSize(address _trainer) constant public returns(uint);
function getMonsterObjId(address _trainer, uint index) constant public returns(uint64);
function getExpectedBalance(address _trainer) constant public returns(uint256);
function getMonsterReturn(uint64 _objId) constant public returns(uint256 current, uint256 total);
} | getSizeArrayType | function getSizeArrayType(ArrayType _type, uint64 _id) constant public returns(uint);
| // read | LineComment | v0.4.19+commit.c4cbbb05 | bzzr://21a18babc6acd4088a5680a0807f92d61d365e75c65d3803c5f54ffddffa88c6 | {
"func_code_index": [
1917,
2007
]
} | 1,677 |
|||
EtheremonPayment | EtheremonPayment.sol | 0x721da477f68c71788a262d58853fe6977d86535e | Solidity | EtheremonPayment | contract EtheremonPayment is EtheremonEnum, BasicAccessControl, SafeMath {
uint8 constant public STAT_COUNT = 6;
uint8 constant public STAT_MAX = 32;
uint8 constant public GEN0_NO = 24;
struct MonsterClassAcc {
uint32 classId;
uint256 price;
uint256 returnPrice;
uint32 total;
bool catchable;
}
struct MonsterObjAcc {
uint64 monsterId;
uint32 classId;
address trainer;
string name;
uint32 exp;
uint32 createIndex;
uint32 lastClaimIndex;
uint createTime;
}
// linked smart contract
address public dataContract;
address public battleContract;
address public tokenContract;
address private lastHunter = address(0x0);
// config
uint public brickPrice = 2 * 10 ** 8; // 2 tokens
uint public tokenPrice = 0.004 ether / 10 ** 8;
uint public maxDexSize = 500;
// event
event EventCatchMonster(address indexed trainer, uint64 objId);
// modifier
modifier requireDataContract {
require(dataContract != address(0));
_;
}
modifier requireBattleContract {
require(battleContract != address(0));
_;
}
modifier requireTokenContract {
require(tokenContract != address(0));
_;
}
function EtheremonPayment(address _dataContract, address _battleContract, address _tokenContract) public {
dataContract = _dataContract;
battleContract = _battleContract;
tokenContract = _tokenContract;
}
// helper
function getRandom(uint8 maxRan, uint8 index, address priAddress) constant public returns(uint8) {
uint256 genNum = uint256(block.blockhash(block.number-1)) + uint256(priAddress);
for (uint8 i = 0; i < index && i < 6; i ++) {
genNum /= 256;
}
return uint8(genNum % maxRan);
}
// admin
function withdrawToken(address _sendTo, uint _amount) onlyModerators requireTokenContract external {
ERC20Interface token = ERC20Interface(tokenContract);
if (_amount > token.balanceOf(address(this))) {
revert();
}
token.transfer(_sendTo, _amount);
}
function setContract(address _dataContract, address _battleContract, address _tokenContract) onlyModerators external {
dataContract = _dataContract;
battleContract = _battleContract;
tokenContract = _tokenContract;
}
function setConfig(uint _brickPrice, uint _tokenPrice, uint _maxDexSize) onlyModerators external {
brickPrice = _brickPrice;
tokenPrice = _tokenPrice;
maxDexSize = _maxDexSize;
}
// battle
function giveBattleBonus(address _trainer, uint _amount) isActive requireBattleContract requireTokenContract public {
if (msg.sender != battleContract)
revert();
ERC20Interface token = ERC20Interface(tokenContract);
token.transfer(_trainer, _amount);
}
function createCastle(address _trainer, uint _tokens, string _name, uint64 _a1, uint64 _a2, uint64 _a3, uint64 _s1, uint64 _s2, uint64 _s3) isActive requireBattleContract requireTokenContract public returns(uint){
if (msg.sender != tokenContract)
revert();
BattleInterface battle = BattleInterface(battleContract);
battle.createCastleWithToken(_trainer, uint32(_tokens/brickPrice), _name, _a1, _a2, _a3, _s1, _s2, _s3);
return _tokens;
}
function catchMonster(address _trainer, uint _tokens, uint32 _classId, string _name) isActive requireDataContract requireTokenContract public returns(uint){
if (msg.sender != tokenContract)
revert();
EtheremonDataBase data = EtheremonDataBase(dataContract);
MonsterClassAcc memory class;
(class.classId, class.price, class.returnPrice, class.total, class.catchable) = data.getMonsterClass(_classId);
if (class.classId == 0 || class.catchable == false) {
revert();
}
// can not keep too much etheremon
if (data.getMonsterDexSize(_trainer) > maxDexSize)
revert();
uint requiredToken = class.price/tokenPrice;
if (_tokens < requiredToken)
revert();
// add monster
uint64 objId = data.addMonsterObj(_classId, _trainer, _name);
// generate base stat for the previous one
for (uint i=0; i < STAT_COUNT; i+= 1) {
uint8 value = getRandom(STAT_MAX, uint8(i), lastHunter) + data.getElementInArrayType(ArrayType.STAT_START, uint64(_classId), i);
data.addElementToArrayType(ArrayType.STAT_BASE, objId, value);
}
lastHunter = _trainer;
EventCatchMonster(_trainer, objId);
return requiredToken;
}
/*
function payService(address _trainer, uint _tokens, uint32 _type, string _text, uint64 _param1, uint64 _param2, uint64 _param3) public returns(uint) {
if (msg.sender != tokenContract)
revert();
}*/
} | getRandom | function getRandom(uint8 maxRan, uint8 index, address priAddress) constant public returns(uint8) {
uint256 genNum = uint256(block.blockhash(block.number-1)) + uint256(priAddress);
for (uint8 i = 0; i < index && i < 6; i ++) {
genNum /= 256;
}
return uint8(genNum % maxRan);
}
| // helper | LineComment | v0.4.19+commit.c4cbbb05 | bzzr://21a18babc6acd4088a5680a0807f92d61d365e75c65d3803c5f54ffddffa88c6 | {
"func_code_index": [
1682,
2016
]
} | 1,678 |
|||
EtheremonPayment | EtheremonPayment.sol | 0x721da477f68c71788a262d58853fe6977d86535e | Solidity | EtheremonPayment | contract EtheremonPayment is EtheremonEnum, BasicAccessControl, SafeMath {
uint8 constant public STAT_COUNT = 6;
uint8 constant public STAT_MAX = 32;
uint8 constant public GEN0_NO = 24;
struct MonsterClassAcc {
uint32 classId;
uint256 price;
uint256 returnPrice;
uint32 total;
bool catchable;
}
struct MonsterObjAcc {
uint64 monsterId;
uint32 classId;
address trainer;
string name;
uint32 exp;
uint32 createIndex;
uint32 lastClaimIndex;
uint createTime;
}
// linked smart contract
address public dataContract;
address public battleContract;
address public tokenContract;
address private lastHunter = address(0x0);
// config
uint public brickPrice = 2 * 10 ** 8; // 2 tokens
uint public tokenPrice = 0.004 ether / 10 ** 8;
uint public maxDexSize = 500;
// event
event EventCatchMonster(address indexed trainer, uint64 objId);
// modifier
modifier requireDataContract {
require(dataContract != address(0));
_;
}
modifier requireBattleContract {
require(battleContract != address(0));
_;
}
modifier requireTokenContract {
require(tokenContract != address(0));
_;
}
function EtheremonPayment(address _dataContract, address _battleContract, address _tokenContract) public {
dataContract = _dataContract;
battleContract = _battleContract;
tokenContract = _tokenContract;
}
// helper
function getRandom(uint8 maxRan, uint8 index, address priAddress) constant public returns(uint8) {
uint256 genNum = uint256(block.blockhash(block.number-1)) + uint256(priAddress);
for (uint8 i = 0; i < index && i < 6; i ++) {
genNum /= 256;
}
return uint8(genNum % maxRan);
}
// admin
function withdrawToken(address _sendTo, uint _amount) onlyModerators requireTokenContract external {
ERC20Interface token = ERC20Interface(tokenContract);
if (_amount > token.balanceOf(address(this))) {
revert();
}
token.transfer(_sendTo, _amount);
}
function setContract(address _dataContract, address _battleContract, address _tokenContract) onlyModerators external {
dataContract = _dataContract;
battleContract = _battleContract;
tokenContract = _tokenContract;
}
function setConfig(uint _brickPrice, uint _tokenPrice, uint _maxDexSize) onlyModerators external {
brickPrice = _brickPrice;
tokenPrice = _tokenPrice;
maxDexSize = _maxDexSize;
}
// battle
function giveBattleBonus(address _trainer, uint _amount) isActive requireBattleContract requireTokenContract public {
if (msg.sender != battleContract)
revert();
ERC20Interface token = ERC20Interface(tokenContract);
token.transfer(_trainer, _amount);
}
function createCastle(address _trainer, uint _tokens, string _name, uint64 _a1, uint64 _a2, uint64 _a3, uint64 _s1, uint64 _s2, uint64 _s3) isActive requireBattleContract requireTokenContract public returns(uint){
if (msg.sender != tokenContract)
revert();
BattleInterface battle = BattleInterface(battleContract);
battle.createCastleWithToken(_trainer, uint32(_tokens/brickPrice), _name, _a1, _a2, _a3, _s1, _s2, _s3);
return _tokens;
}
function catchMonster(address _trainer, uint _tokens, uint32 _classId, string _name) isActive requireDataContract requireTokenContract public returns(uint){
if (msg.sender != tokenContract)
revert();
EtheremonDataBase data = EtheremonDataBase(dataContract);
MonsterClassAcc memory class;
(class.classId, class.price, class.returnPrice, class.total, class.catchable) = data.getMonsterClass(_classId);
if (class.classId == 0 || class.catchable == false) {
revert();
}
// can not keep too much etheremon
if (data.getMonsterDexSize(_trainer) > maxDexSize)
revert();
uint requiredToken = class.price/tokenPrice;
if (_tokens < requiredToken)
revert();
// add monster
uint64 objId = data.addMonsterObj(_classId, _trainer, _name);
// generate base stat for the previous one
for (uint i=0; i < STAT_COUNT; i+= 1) {
uint8 value = getRandom(STAT_MAX, uint8(i), lastHunter) + data.getElementInArrayType(ArrayType.STAT_START, uint64(_classId), i);
data.addElementToArrayType(ArrayType.STAT_BASE, objId, value);
}
lastHunter = _trainer;
EventCatchMonster(_trainer, objId);
return requiredToken;
}
/*
function payService(address _trainer, uint _tokens, uint32 _type, string _text, uint64 _param1, uint64 _param2, uint64 _param3) public returns(uint) {
if (msg.sender != tokenContract)
revert();
}*/
} | withdrawToken | function withdrawToken(address _sendTo, uint _amount) onlyModerators requireTokenContract external {
ERC20Interface token = ERC20Interface(tokenContract);
if (_amount > token.balanceOf(address(this))) {
revert();
}
token.transfer(_sendTo, _amount);
}
| // admin | LineComment | v0.4.19+commit.c4cbbb05 | bzzr://21a18babc6acd4088a5680a0807f92d61d365e75c65d3803c5f54ffddffa88c6 | {
"func_code_index": [
2037,
2346
]
} | 1,679 |
|||
EtheremonPayment | EtheremonPayment.sol | 0x721da477f68c71788a262d58853fe6977d86535e | Solidity | EtheremonPayment | contract EtheremonPayment is EtheremonEnum, BasicAccessControl, SafeMath {
uint8 constant public STAT_COUNT = 6;
uint8 constant public STAT_MAX = 32;
uint8 constant public GEN0_NO = 24;
struct MonsterClassAcc {
uint32 classId;
uint256 price;
uint256 returnPrice;
uint32 total;
bool catchable;
}
struct MonsterObjAcc {
uint64 monsterId;
uint32 classId;
address trainer;
string name;
uint32 exp;
uint32 createIndex;
uint32 lastClaimIndex;
uint createTime;
}
// linked smart contract
address public dataContract;
address public battleContract;
address public tokenContract;
address private lastHunter = address(0x0);
// config
uint public brickPrice = 2 * 10 ** 8; // 2 tokens
uint public tokenPrice = 0.004 ether / 10 ** 8;
uint public maxDexSize = 500;
// event
event EventCatchMonster(address indexed trainer, uint64 objId);
// modifier
modifier requireDataContract {
require(dataContract != address(0));
_;
}
modifier requireBattleContract {
require(battleContract != address(0));
_;
}
modifier requireTokenContract {
require(tokenContract != address(0));
_;
}
function EtheremonPayment(address _dataContract, address _battleContract, address _tokenContract) public {
dataContract = _dataContract;
battleContract = _battleContract;
tokenContract = _tokenContract;
}
// helper
function getRandom(uint8 maxRan, uint8 index, address priAddress) constant public returns(uint8) {
uint256 genNum = uint256(block.blockhash(block.number-1)) + uint256(priAddress);
for (uint8 i = 0; i < index && i < 6; i ++) {
genNum /= 256;
}
return uint8(genNum % maxRan);
}
// admin
function withdrawToken(address _sendTo, uint _amount) onlyModerators requireTokenContract external {
ERC20Interface token = ERC20Interface(tokenContract);
if (_amount > token.balanceOf(address(this))) {
revert();
}
token.transfer(_sendTo, _amount);
}
function setContract(address _dataContract, address _battleContract, address _tokenContract) onlyModerators external {
dataContract = _dataContract;
battleContract = _battleContract;
tokenContract = _tokenContract;
}
function setConfig(uint _brickPrice, uint _tokenPrice, uint _maxDexSize) onlyModerators external {
brickPrice = _brickPrice;
tokenPrice = _tokenPrice;
maxDexSize = _maxDexSize;
}
// battle
function giveBattleBonus(address _trainer, uint _amount) isActive requireBattleContract requireTokenContract public {
if (msg.sender != battleContract)
revert();
ERC20Interface token = ERC20Interface(tokenContract);
token.transfer(_trainer, _amount);
}
function createCastle(address _trainer, uint _tokens, string _name, uint64 _a1, uint64 _a2, uint64 _a3, uint64 _s1, uint64 _s2, uint64 _s3) isActive requireBattleContract requireTokenContract public returns(uint){
if (msg.sender != tokenContract)
revert();
BattleInterface battle = BattleInterface(battleContract);
battle.createCastleWithToken(_trainer, uint32(_tokens/brickPrice), _name, _a1, _a2, _a3, _s1, _s2, _s3);
return _tokens;
}
function catchMonster(address _trainer, uint _tokens, uint32 _classId, string _name) isActive requireDataContract requireTokenContract public returns(uint){
if (msg.sender != tokenContract)
revert();
EtheremonDataBase data = EtheremonDataBase(dataContract);
MonsterClassAcc memory class;
(class.classId, class.price, class.returnPrice, class.total, class.catchable) = data.getMonsterClass(_classId);
if (class.classId == 0 || class.catchable == false) {
revert();
}
// can not keep too much etheremon
if (data.getMonsterDexSize(_trainer) > maxDexSize)
revert();
uint requiredToken = class.price/tokenPrice;
if (_tokens < requiredToken)
revert();
// add monster
uint64 objId = data.addMonsterObj(_classId, _trainer, _name);
// generate base stat for the previous one
for (uint i=0; i < STAT_COUNT; i+= 1) {
uint8 value = getRandom(STAT_MAX, uint8(i), lastHunter) + data.getElementInArrayType(ArrayType.STAT_START, uint64(_classId), i);
data.addElementToArrayType(ArrayType.STAT_BASE, objId, value);
}
lastHunter = _trainer;
EventCatchMonster(_trainer, objId);
return requiredToken;
}
/*
function payService(address _trainer, uint _tokens, uint32 _type, string _text, uint64 _param1, uint64 _param2, uint64 _param3) public returns(uint) {
if (msg.sender != tokenContract)
revert();
}*/
} | giveBattleBonus | function giveBattleBonus(address _trainer, uint _amount) isActive requireBattleContract requireTokenContract public {
if (msg.sender != battleContract)
revert();
ERC20Interface token = ERC20Interface(tokenContract);
token.transfer(_trainer, _amount);
}
| // battle | LineComment | v0.4.19+commit.c4cbbb05 | bzzr://21a18babc6acd4088a5680a0807f92d61d365e75c65d3803c5f54ffddffa88c6 | {
"func_code_index": [
2850,
3152
]
} | 1,680 |
|||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | totalSupply | function totalSupply() external view returns (uint256);
| /**
* @dev Returns the amount of tokens in existence.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
94,
154
]
} | 1,681 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | balanceOf | function balanceOf(address account) external view returns (uint256);
| /**
* @dev Returns the amount of tokens owned by `account`.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
237,
310
]
} | 1,682 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | transfer | function transfer(address recipient, uint256 amount) external returns (bool);
| /**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
534,
616
]
} | 1,683 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | allowance | function allowance(address owner, address spender) external view returns (uint256);
| /**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
895,
983
]
} | 1,684 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | approve | function approve(address spender, uint256 amount) external returns (bool);
| /**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
1647,
1726
]
} | 1,685 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | transferFrom | function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
| /**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
2039,
2141
]
} | 1,686 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | add | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
| /**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
259,
445
]
} | 1,687 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
| /**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
723,
864
]
} | 1,688 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | sub | function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
| /**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
1162,
1359
]
} | 1,689 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | mul | function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
| /**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
1613,
2016
]
} | 1,690 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | div | function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
| /**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
2487,
2624
]
} | 1,691 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | div | function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
| /**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
3115,
3398
]
} | 1,692 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | mod | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
| /**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
3858,
3993
]
} | 1,693 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | mod | function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
| /**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
4473,
4644
]
} | 1,694 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | isContract | function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
| /**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
606,
1230
]
} | 1,695 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | sendValue | function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
| /**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
2160,
2562
]
} | 1,696 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | functionCall | function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
| /**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
3318,
3496
]
} | 1,697 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | functionCall | function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
| /**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
3721,
3922
]
} | 1,698 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | functionCallWithValue | function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
| /**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
4292,
4523
]
} | 1,699 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | functionCallWithValue | function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
| /**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
4774,
5095
]
} | 1,700 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | owner | function owner() public view returns (address) {
return _owner;
}
| /**
* @dev Returns the address of the current owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
497,
581
]
} | 1,701 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | renounceOwnership | function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
| /**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
1139,
1292
]
} | 1,702 |
||
BART | BART.sol | 0x21fb4dd8c500be1a9ba27f827217e477217d6225 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | transferOwnership | function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
| /**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a856637f610dd4369d266ff8eceb3ba909d34e57986b6f8a02e61a177d695707 | {
"func_code_index": [
1442,
1691
]
} | 1,703 |
||
FastInvestTokenCrowdsale | FastInvestTokenCrowdsale.sol | 0xb8dc951ee4044ed7a8e2b1d45f6a1857895a4e81 | Solidity | FastInvestTokenCrowdsale | contract FastInvestTokenCrowdsale {
using SafeMath for uint256;
address public owner;
// The token being sold
token public tokenReward;
// Tokens will be transfered from this address
address internal tokenOwner;
// Address where funds are collected
address internal wallet;
// Start and end timestamps where investments are allowed
uint256 public startTime;
uint256 public endTime;
// Amount of tokens sold
uint256 public tokensSold = 0;
// Amount of raised money in wei
uint256 public weiRaised = 0;
// Funding goal and soft cap
uint256 constant public SOFT_CAP = 38850000000000000000000000;
uint256 constant public FUNDING_GOAL = 388500000000000000000000000;
// Tokens per ETH rates before and after the soft cap is reached
uint256 constant public RATE = 1000;
uint256 constant public RATE_SOFT = 1200;
// The balances in ETH of all investors
mapping (address => uint256) public balanceOf;
/**
* Event for token purchase logging
*
* @param purchaser who paid for the tokens
* @param beneficiary who got the tokens
* @param value weis paid for purchase
* @param amount amount of tokens purchased
*/
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function FastInvestTokenCrowdsale(address _tokenAddress, address _wallet, uint256 _start, uint256 _end) public {
require(_tokenAddress != address(0));
require(_wallet != address(0));
owner = msg.sender;
tokenOwner = msg.sender;
wallet = _wallet;
tokenReward = token(_tokenAddress);
require(_start < _end);
startTime = _start;
endTime = _end;
}
// Fallback function can be used to buy tokens
function () external payable {
buyTokens(msg.sender);
}
// Low level token purchase function
function buyTokens(address beneficiary) public payable {
require(beneficiary != 0x0);
require(validPurchase());
uint256 weiAmount = msg.value;
uint256 tokens = 0;
// Calculate token amount
if (tokensSold < SOFT_CAP) {
tokens = weiAmount.mul(RATE_SOFT);
if (tokensSold.add(tokens) > SOFT_CAP) {
uint256 softTokens = SOFT_CAP.sub(tokensSold);
uint256 amountLeft = weiAmount.sub(softTokens.div(RATE_SOFT));
tokens = softTokens.add(amountLeft.mul(RATE));
}
} else {
tokens = weiAmount.mul(RATE);
}
require(tokens > 0);
require(tokensSold.add(tokens) <= FUNDING_GOAL);
forwardFunds();
assert(tokenReward.transferFrom(tokenOwner, beneficiary, tokens));
balanceOf[beneficiary] = balanceOf[beneficiary].add(weiAmount);
// Update totals
weiRaised = weiRaised.add(weiAmount);
tokensSold = tokensSold.add(tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
}
// Send ether to the fund collection wallet
function forwardFunds() internal {
wallet.transfer(msg.value);
}
// @return true if the transaction can buy tokens
function validPurchase() internal view returns (bool) {
bool withinPeriod = now >= startTime && now <= endTime;
bool nonZeroPurchase = msg.value != 0;
bool hasTokens = tokensSold < FUNDING_GOAL;
return withinPeriod && nonZeroPurchase && hasTokens;
}
function setStart(uint256 _start) public onlyOwner {
startTime = _start;
}
function setEnd(uint256 _end) public onlyOwner {
require(startTime < _end);
endTime = _end;
}
// @return true if crowdsale event has ended
function hasEnded() public view returns (bool) {
return now > endTime;
}
} | /**
* @title FastInvestTokenCrowdsale
*
* Crowdsale have a start and end timestamps, where investors can make
* token purchases and the crowdsale will assign them tokens based
* on a token per ETH rate. Funds collected are forwarded to a wallet
* as they arrive.
*/ | NatSpecMultiLine | function () external payable {
buyTokens(msg.sender);
}
| // Fallback function can be used to buy tokens | LineComment | v0.4.18+commit.9cf6e910 | bzzr://481dd405532cab9d997687bbd965ef48a7fa35c3864d02a40dc9a22151f62ad2 | {
"func_code_index": [
2080,
2154
]
} | 1,704 |
||
FastInvestTokenCrowdsale | FastInvestTokenCrowdsale.sol | 0xb8dc951ee4044ed7a8e2b1d45f6a1857895a4e81 | Solidity | FastInvestTokenCrowdsale | contract FastInvestTokenCrowdsale {
using SafeMath for uint256;
address public owner;
// The token being sold
token public tokenReward;
// Tokens will be transfered from this address
address internal tokenOwner;
// Address where funds are collected
address internal wallet;
// Start and end timestamps where investments are allowed
uint256 public startTime;
uint256 public endTime;
// Amount of tokens sold
uint256 public tokensSold = 0;
// Amount of raised money in wei
uint256 public weiRaised = 0;
// Funding goal and soft cap
uint256 constant public SOFT_CAP = 38850000000000000000000000;
uint256 constant public FUNDING_GOAL = 388500000000000000000000000;
// Tokens per ETH rates before and after the soft cap is reached
uint256 constant public RATE = 1000;
uint256 constant public RATE_SOFT = 1200;
// The balances in ETH of all investors
mapping (address => uint256) public balanceOf;
/**
* Event for token purchase logging
*
* @param purchaser who paid for the tokens
* @param beneficiary who got the tokens
* @param value weis paid for purchase
* @param amount amount of tokens purchased
*/
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function FastInvestTokenCrowdsale(address _tokenAddress, address _wallet, uint256 _start, uint256 _end) public {
require(_tokenAddress != address(0));
require(_wallet != address(0));
owner = msg.sender;
tokenOwner = msg.sender;
wallet = _wallet;
tokenReward = token(_tokenAddress);
require(_start < _end);
startTime = _start;
endTime = _end;
}
// Fallback function can be used to buy tokens
function () external payable {
buyTokens(msg.sender);
}
// Low level token purchase function
function buyTokens(address beneficiary) public payable {
require(beneficiary != 0x0);
require(validPurchase());
uint256 weiAmount = msg.value;
uint256 tokens = 0;
// Calculate token amount
if (tokensSold < SOFT_CAP) {
tokens = weiAmount.mul(RATE_SOFT);
if (tokensSold.add(tokens) > SOFT_CAP) {
uint256 softTokens = SOFT_CAP.sub(tokensSold);
uint256 amountLeft = weiAmount.sub(softTokens.div(RATE_SOFT));
tokens = softTokens.add(amountLeft.mul(RATE));
}
} else {
tokens = weiAmount.mul(RATE);
}
require(tokens > 0);
require(tokensSold.add(tokens) <= FUNDING_GOAL);
forwardFunds();
assert(tokenReward.transferFrom(tokenOwner, beneficiary, tokens));
balanceOf[beneficiary] = balanceOf[beneficiary].add(weiAmount);
// Update totals
weiRaised = weiRaised.add(weiAmount);
tokensSold = tokensSold.add(tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
}
// Send ether to the fund collection wallet
function forwardFunds() internal {
wallet.transfer(msg.value);
}
// @return true if the transaction can buy tokens
function validPurchase() internal view returns (bool) {
bool withinPeriod = now >= startTime && now <= endTime;
bool nonZeroPurchase = msg.value != 0;
bool hasTokens = tokensSold < FUNDING_GOAL;
return withinPeriod && nonZeroPurchase && hasTokens;
}
function setStart(uint256 _start) public onlyOwner {
startTime = _start;
}
function setEnd(uint256 _end) public onlyOwner {
require(startTime < _end);
endTime = _end;
}
// @return true if crowdsale event has ended
function hasEnded() public view returns (bool) {
return now > endTime;
}
} | /**
* @title FastInvestTokenCrowdsale
*
* Crowdsale have a start and end timestamps, where investors can make
* token purchases and the crowdsale will assign them tokens based
* on a token per ETH rate. Funds collected are forwarded to a wallet
* as they arrive.
*/ | NatSpecMultiLine | buyTokens | function buyTokens(address beneficiary) public payable {
require(beneficiary != 0x0);
require(validPurchase());
uint256 weiAmount = msg.value;
uint256 tokens = 0;
// Calculate token amount
if (tokensSold < SOFT_CAP) {
tokens = weiAmount.mul(RATE_SOFT);
if (tokensSold.add(tokens) > SOFT_CAP) {
uint256 softTokens = SOFT_CAP.sub(tokensSold);
uint256 amountLeft = weiAmount.sub(softTokens.div(RATE_SOFT));
tokens = softTokens.add(amountLeft.mul(RATE));
}
} else {
tokens = weiAmount.mul(RATE);
}
require(tokens > 0);
require(tokensSold.add(tokens) <= FUNDING_GOAL);
forwardFunds();
assert(tokenReward.transferFrom(tokenOwner, beneficiary, tokens));
balanceOf[beneficiary] = balanceOf[beneficiary].add(weiAmount);
// Update totals
weiRaised = weiRaised.add(weiAmount);
tokensSold = tokensSold.add(tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
}
| // Low level token purchase function | LineComment | v0.4.18+commit.9cf6e910 | bzzr://481dd405532cab9d997687bbd965ef48a7fa35c3864d02a40dc9a22151f62ad2 | {
"func_code_index": [
2199,
3350
]
} | 1,705 |
|
FastInvestTokenCrowdsale | FastInvestTokenCrowdsale.sol | 0xb8dc951ee4044ed7a8e2b1d45f6a1857895a4e81 | Solidity | FastInvestTokenCrowdsale | contract FastInvestTokenCrowdsale {
using SafeMath for uint256;
address public owner;
// The token being sold
token public tokenReward;
// Tokens will be transfered from this address
address internal tokenOwner;
// Address where funds are collected
address internal wallet;
// Start and end timestamps where investments are allowed
uint256 public startTime;
uint256 public endTime;
// Amount of tokens sold
uint256 public tokensSold = 0;
// Amount of raised money in wei
uint256 public weiRaised = 0;
// Funding goal and soft cap
uint256 constant public SOFT_CAP = 38850000000000000000000000;
uint256 constant public FUNDING_GOAL = 388500000000000000000000000;
// Tokens per ETH rates before and after the soft cap is reached
uint256 constant public RATE = 1000;
uint256 constant public RATE_SOFT = 1200;
// The balances in ETH of all investors
mapping (address => uint256) public balanceOf;
/**
* Event for token purchase logging
*
* @param purchaser who paid for the tokens
* @param beneficiary who got the tokens
* @param value weis paid for purchase
* @param amount amount of tokens purchased
*/
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function FastInvestTokenCrowdsale(address _tokenAddress, address _wallet, uint256 _start, uint256 _end) public {
require(_tokenAddress != address(0));
require(_wallet != address(0));
owner = msg.sender;
tokenOwner = msg.sender;
wallet = _wallet;
tokenReward = token(_tokenAddress);
require(_start < _end);
startTime = _start;
endTime = _end;
}
// Fallback function can be used to buy tokens
function () external payable {
buyTokens(msg.sender);
}
// Low level token purchase function
function buyTokens(address beneficiary) public payable {
require(beneficiary != 0x0);
require(validPurchase());
uint256 weiAmount = msg.value;
uint256 tokens = 0;
// Calculate token amount
if (tokensSold < SOFT_CAP) {
tokens = weiAmount.mul(RATE_SOFT);
if (tokensSold.add(tokens) > SOFT_CAP) {
uint256 softTokens = SOFT_CAP.sub(tokensSold);
uint256 amountLeft = weiAmount.sub(softTokens.div(RATE_SOFT));
tokens = softTokens.add(amountLeft.mul(RATE));
}
} else {
tokens = weiAmount.mul(RATE);
}
require(tokens > 0);
require(tokensSold.add(tokens) <= FUNDING_GOAL);
forwardFunds();
assert(tokenReward.transferFrom(tokenOwner, beneficiary, tokens));
balanceOf[beneficiary] = balanceOf[beneficiary].add(weiAmount);
// Update totals
weiRaised = weiRaised.add(weiAmount);
tokensSold = tokensSold.add(tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
}
// Send ether to the fund collection wallet
function forwardFunds() internal {
wallet.transfer(msg.value);
}
// @return true if the transaction can buy tokens
function validPurchase() internal view returns (bool) {
bool withinPeriod = now >= startTime && now <= endTime;
bool nonZeroPurchase = msg.value != 0;
bool hasTokens = tokensSold < FUNDING_GOAL;
return withinPeriod && nonZeroPurchase && hasTokens;
}
function setStart(uint256 _start) public onlyOwner {
startTime = _start;
}
function setEnd(uint256 _end) public onlyOwner {
require(startTime < _end);
endTime = _end;
}
// @return true if crowdsale event has ended
function hasEnded() public view returns (bool) {
return now > endTime;
}
} | /**
* @title FastInvestTokenCrowdsale
*
* Crowdsale have a start and end timestamps, where investors can make
* token purchases and the crowdsale will assign them tokens based
* on a token per ETH rate. Funds collected are forwarded to a wallet
* as they arrive.
*/ | NatSpecMultiLine | forwardFunds | function forwardFunds() internal {
wallet.transfer(msg.value);
}
| // Send ether to the fund collection wallet | LineComment | v0.4.18+commit.9cf6e910 | bzzr://481dd405532cab9d997687bbd965ef48a7fa35c3864d02a40dc9a22151f62ad2 | {
"func_code_index": [
3402,
3485
]
} | 1,706 |
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