contract_name
stringlengths 1
61
| file_path
stringlengths 5
50.4k
| contract_address
stringlengths 42
42
| language
stringclasses 1
value | class_name
stringlengths 1
61
| class_code
stringlengths 4
330k
| class_documentation
stringlengths 0
29.1k
| class_documentation_type
stringclasses 6
values | func_name
stringlengths 0
62
| func_code
stringlengths 1
303k
| func_documentation
stringlengths 2
14.9k
| func_documentation_type
stringclasses 4
values | compiler_version
stringlengths 15
42
| license_type
stringclasses 14
values | swarm_source
stringlengths 0
71
| meta
dict | __index_level_0__
int64 0
60.4k
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
DDFImplementationV2 | DDFImplementationV2.sol | 0x6f0bb458067038f9c7992dcde2025f0eefb5ecf6 | Solidity | DDFImplementationV2 | contract DDFImplementationV2 {
/**
* MATH
*/
using SafeMath for uint256;
/**
* DATA
*/
// INITIALIZATION DATA
bool private initialized = false;
// ERC20 BASIC DATA
mapping(address => uint256) internal balances;
uint256 internal totalSupply_;
string public constant name = "DefiDao Fund"; // solium-disable-line
string public constant symbol = "DDF"; // solium-disable-line uppercase
uint8 public constant decimals = 18; // solium-disable-line uppercase
// ERC20 DATA
mapping(address => mapping(address => uint256)) internal allowed;
// OWNER DATA PART 1
address public owner;
// PAUSABILITY DATA
bool public paused = false;
// ASSET PROTECTION DATA
address public assetProtectionRole;
mapping(address => bool) internal frozen;
// SUPPLY CONTROL DATA
address public supplyController;
// OWNER DATA PART 2
address public proposedOwner;
// DELEGATED TRANSFER DATA
address public betaDelegateWhitelister;
mapping(address => bool) internal betaDelegateWhitelist;
mapping(address => uint256) internal nextSeqs;
// EIP191 header for EIP712 prefix
string constant internal EIP191_HEADER = "\x19\x01";
// Hash of the EIP712 Domain Separator Schema
bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(
"EIP712Domain(string name,address verifyingContract)"
);
bytes32 constant internal EIP712_DELEGATED_TRANSFER_SCHEMA_HASH = keccak256(
"BetaDelegatedTransfer(address to,uint256 value,uint256 fee,uint256 seq,uint256 deadline)"
);
// Hash of the EIP712 Domain Separator data
// solhint-disable-next-line var-name-mixedcase
bytes32 public EIP712_DOMAIN_HASH;
/**
* EVENTS
*/
// ERC20 BASIC EVENTS
event Transfer(address indexed from, address indexed to, uint256 value);
// ERC20 EVENTS
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
// OWNABLE EVENTS
event OwnershipTransferProposed(
address indexed currentOwner,
address indexed proposedOwner
);
event OwnershipTransferDisregarded(
address indexed oldProposedOwner
);
event OwnershipTransferred(
address indexed oldOwner,
address indexed newOwner
);
// PAUSABLE EVENTS
event Pause();
event Unpause();
// ASSET PROTECTION EVENTS
event AddressFrozen(address indexed addr);
event AddressUnfrozen(address indexed addr);
event FrozenAddressWiped(address indexed addr);
event AssetProtectionRoleSet (
address indexed oldAssetProtectionRole,
address indexed newAssetProtectionRole
);
// SUPPLY CONTROL EVENTS
event SupplyIncreased(address indexed to, uint256 value);
event SupplyDecreased(address indexed from, uint256 value);
event SupplyControllerSet(
address indexed oldSupplyController,
address indexed newSupplyController
);
// DELEGATED TRANSFER EVENTS
event BetaDelegatedTransfer(
address indexed from, address indexed to, uint256 value, uint256 seq, uint256 fee
);
event BetaDelegateWhitelisterSet(
address indexed oldWhitelister,
address indexed newWhitelister
);
event BetaDelegateWhitelisted(address indexed newDelegate);
event BetaDelegateUnwhitelisted(address indexed oldDelegate);
/**
* FUNCTIONALITY
*/
// INITIALIZATION FUNCTIONALITY
/**
* @dev sets 0 initials tokens, the owner, and the supplyController.
* this serves as the constructor for the proxy but compiles to the
* memory model of the Implementation contract.
*/
function initialize() public {
require(!initialized, "already initialized");
owner = msg.sender;
assetProtectionRole = address(0);
totalSupply_ = 0;
supplyController = msg.sender;
initialized = true;
}
/**
* The constructor is used here to ensure that the implementation
* contract is initialized. An uncontrolled implementation
* contract might lead to misleading state
* for users who accidentally interact with it.
*/
constructor() public {
initialize();
pause();
// Added in V2
initializeDomainSeparator();
}
/**
* @dev To be called when upgrading the contract using upgradeAndCall to add delegated transfers
*/
function initializeDomainSeparator() public {
// hash the name context with the contract address
EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(// solium-disable-line
EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,
keccak256(bytes(name)),
bytes32(address(this))
));
proposedOwner = address(0);
}
// ERC20 BASIC FUNCTIONALITY
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev Transfer token to a specified address from msg.sender
* Note: the use of Safemath ensures that _value is nonnegative.
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
require(_to != address(0), "cannot transfer to address zero");
require(!frozen[_to] && !frozen[msg.sender], "address frozen");
require(_value <= balances[msg.sender], "insufficient funds");
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _addr The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _addr) public view returns (uint256) {
return balances[_addr];
}
// ERC20 FUNCTIONALITY
/**
* @dev Transfer tokens from one address to another
* @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
whenNotPaused
returns (bool)
{
require(_to != address(0), "cannot transfer to address zero");
require(!frozen[_to] && !frozen[_from] && !frozen[msg.sender], "address frozen");
require(_value <= balances[_from], "insufficient funds");
require(_value <= allowed[_from][msg.sender], "insufficient allowance");
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _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 whenNotPaused returns (bool) {
require(!frozen[_spender] && !frozen[msg.sender], "address frozen");
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @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];
}
// OWNER FUNCTIONALITY
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner, "onlyOwner");
_;
}
/**
* @dev Allows the current owner to begin transferring control of the contract to a proposedOwner
* @param _proposedOwner The address to transfer ownership to.
*/
function proposeOwner(address _proposedOwner) public onlyOwner {
require(_proposedOwner != address(0), "cannot transfer ownership to address zero");
require(msg.sender != _proposedOwner, "caller already is owner");
proposedOwner = _proposedOwner;
emit OwnershipTransferProposed(owner, proposedOwner);
}
/**
* @dev Allows the current owner or proposed owner to cancel transferring control of the contract to a proposedOwner
*/
function disregardProposeOwner() public {
require(msg.sender == proposedOwner || msg.sender == owner, "only proposedOwner or owner");
require(proposedOwner != address(0), "can only disregard a proposed owner that was previously set");
address _oldProposedOwner = proposedOwner;
proposedOwner = address(0);
emit OwnershipTransferDisregarded(_oldProposedOwner);
}
/**
* @dev Allows the proposed owner to complete transferring control of the contract to the proposedOwner.
*/
function claimOwnership() public {
require(msg.sender == proposedOwner, "onlyProposedOwner");
address _oldOwner = owner;
owner = proposedOwner;
proposedOwner = address(0);
emit OwnershipTransferred(_oldOwner, owner);
}
/**
* @dev Reclaim all DDF at the contract address.
* This sends the DDF tokens that this contract add holding to the owner.
* Note: this is not affected by freeze constraints.
*/
function reclaimDDF() external onlyOwner {
uint256 _balance = balances[this];
balances[this] = 0;
balances[owner] = balances[owner].add(_balance);
emit Transfer(this, owner, _balance);
}
// PAUSABILITY FUNCTIONALITY
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused, "whenNotPaused");
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() public onlyOwner {
require(!paused, "already paused");
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() public onlyOwner {
require(paused, "already unpaused");
paused = false;
emit Unpause();
}
// ASSET PROTECTION FUNCTIONALITY
/**
* @dev Sets a new asset protection role address.
* @param _newAssetProtectionRole The new address allowed to freeze/unfreeze addresses and seize their tokens.
*/
function setAssetProtectionRole(address _newAssetProtectionRole) public {
require(msg.sender == assetProtectionRole || msg.sender == owner, "only assetProtectionRole or Owner");
emit AssetProtectionRoleSet(assetProtectionRole, _newAssetProtectionRole);
assetProtectionRole = _newAssetProtectionRole;
}
modifier onlyAssetProtectionRole() {
require(msg.sender == assetProtectionRole, "onlyAssetProtectionRole");
_;
}
/**
* @dev Freezes an address balance from being transferred.
* @param _addr The new address to freeze.
*/
function freeze(address _addr) public onlyAssetProtectionRole {
require(!frozen[_addr], "address already frozen");
frozen[_addr] = true;
emit AddressFrozen(_addr);
}
/**
* @dev Unfreezes an address balance allowing transfer.
* @param _addr The new address to unfreeze.
*/
function unfreeze(address _addr) public onlyAssetProtectionRole {
require(frozen[_addr], "address already unfrozen");
frozen[_addr] = false;
emit AddressUnfrozen(_addr);
}
/**
* @dev Wipes the balance of a frozen address, burning the tokens
* and setting the approval to zero.
* @param _addr The new frozen address to wipe.
*/
function wipeFrozenAddress(address _addr) public onlyAssetProtectionRole {
require(frozen[_addr], "address is not frozen");
uint256 _balance = balances[_addr];
balances[_addr] = 0;
totalSupply_ = totalSupply_.sub(_balance);
emit FrozenAddressWiped(_addr);
emit SupplyDecreased(_addr, _balance);
emit Transfer(_addr, address(0), _balance);
}
/**
* @dev Gets whether the address is currently frozen.
* @param _addr The address to check if frozen.
* @return A bool representing whether the given address is frozen.
*/
function isFrozen(address _addr) public view returns (bool) {
return frozen[_addr];
}
// SUPPLY CONTROL FUNCTIONALITY
/**
* @dev Sets a new supply controller address.
* @param _newSupplyController The address allowed to burn/mint tokens to control supply.
*/
function setSupplyController(address _newSupplyController) public {
require(msg.sender == supplyController || msg.sender == owner, "only SupplyController or Owner");
require(_newSupplyController != address(0), "cannot set supply controller to address zero");
emit SupplyControllerSet(supplyController, _newSupplyController);
supplyController = _newSupplyController;
}
modifier onlySupplyController() {
require(msg.sender == supplyController, "onlySupplyController");
_;
}
/**
* @dev Increases the total supply by minting the specified number of tokens to the supply controller account.
* @param _value The number of tokens to add.
* @return A boolean that indicates if the operation was successful.
*/
function increaseSupply(uint256 _value) public onlySupplyController returns (bool success) {
totalSupply_ = totalSupply_.add(_value);
balances[supplyController] = balances[supplyController].add(_value);
emit SupplyIncreased(supplyController, _value);
emit Transfer(address(0), supplyController, _value);
return true;
}
/**
* @dev Decreases the total supply by burning the specified number of tokens from the supply controller account.
* @param _value The number of tokens to remove.
* @return A boolean that indicates if the operation was successful.
*/
function decreaseSupply(uint256 _value) public onlySupplyController returns (bool success) {
require(_value <= balances[supplyController], "not enough supply");
balances[supplyController] = balances[supplyController].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit SupplyDecreased(supplyController, _value);
emit Transfer(supplyController, address(0), _value);
return true;
}
// DELEGATED TRANSFER FUNCTIONALITY
/**
* @dev returns the next seq for a target address.
* The transactor must submit nextSeqOf(transactor) in the next transaction for it to be valid.
* Note: that the seq context is specific to this smart contract.
* @param target The target address.
* @return the seq.
*/
//
function nextSeqOf(address target) public view returns (uint256) {
return nextSeqs[target];
}
/**
* @dev Performs a transfer on behalf of the from address, identified by its signature on the delegatedTransfer msg.
* Splits a signature byte array into r,s,v for convenience.
* @param sig the signature of the delgatedTransfer msg.
* @param to The address to transfer to.
* @param value The amount to be transferred.
* @param fee an optional ERC20 fee paid to the executor of betaDelegatedTransfer by the from address.
* @param seq a sequencing number included by the from address specific to this contract to protect from replays.
* @param deadline a block number after which the pre-signed transaction has expired.
* @return A boolean that indicates if the operation was successful.
*/
function betaDelegatedTransfer(
bytes sig, address to, uint256 value, uint256 fee, uint256 seq, uint256 deadline
) public returns (bool) {
require(sig.length == 65, "signature should have length 65");
bytes32 r;
bytes32 s;
uint8 v;
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
v := byte(0, mload(add(sig, 96)))
}
require(_betaDelegatedTransfer(r, s, v, to, value, fee, seq, deadline), "failed transfer");
return true;
}
/**
* @dev Performs a transfer on behalf of the from address, identified by its signature on the betaDelegatedTransfer msg.
* Note: both the delegate and transactor sign in the fees. The transactor, however,
* has no control over the gas price, and therefore no control over the transaction time.
* Beta prefix chosen to avoid a name clash with an emerging standard in ERC865 or elsewhere.
* Internal to the contract - see betaDelegatedTransfer and betaDelegatedTransferBatch.
* @param r the r signature of the delgatedTransfer msg.
* @param s the s signature of the delgatedTransfer msg.
* @param v the v signature of the delgatedTransfer msg.
* @param to The address to transfer to.
* @param value The amount to be transferred.
* @param fee an optional ERC20 fee paid to the delegate of betaDelegatedTransfer by the from address.
* @param seq a sequencing number included by the from address specific to this contract to protect from replays.
* @param deadline a block number after which the pre-signed transaction has expired.
* @return A boolean that indicates if the operation was successful.
*/
function _betaDelegatedTransfer(
bytes32 r, bytes32 s, uint8 v, address to, uint256 value, uint256 fee, uint256 seq, uint256 deadline
) internal whenNotPaused returns (bool) {
require(betaDelegateWhitelist[msg.sender], "Beta feature only accepts whitelisted delegates");
require(value > 0 || fee > 0, "cannot transfer zero tokens with zero fee");
require(block.number <= deadline, "transaction expired");
// prevent sig malleability from ecrecover()
require(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "signature incorrect");
require(v == 27 || v == 28, "signature incorrect");
// EIP712 scheme: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-712.md
bytes32 delegatedTransferHash = keccak256(abi.encodePacked(// solium-disable-line
EIP712_DELEGATED_TRANSFER_SCHEMA_HASH, bytes32(to), value, fee, seq, deadline
));
bytes32 hash = keccak256(abi.encodePacked(EIP191_HEADER, EIP712_DOMAIN_HASH, delegatedTransferHash));
address _from = ecrecover(hash, v, r, s);
require(_from != address(0), "error determining from address from signature");
require(to != address(0), "canno use address zero");
require(!frozen[to] && !frozen[_from] && !frozen[msg.sender], "address frozen");
require(value.add(fee) <= balances[_from], "insufficient fund");
require(nextSeqs[_from] == seq, "incorrect seq");
nextSeqs[_from] = nextSeqs[_from].add(1);
balances[_from] = balances[_from].sub(value.add(fee));
if (fee != 0) {
balances[msg.sender] = balances[msg.sender].add(fee);
emit Transfer(_from, msg.sender, fee);
}
balances[to] = balances[to].add(value);
emit Transfer(_from, to, value);
emit BetaDelegatedTransfer(_from, to, value, seq, fee);
return true;
}
/**
* @dev Performs an atomic batch of transfers on behalf of the from addresses, identified by their signatures.
* Lack of nested array support in arguments requires all arguments to be passed as equal size arrays where
* delegated transfer number i is the combination of all arguments at index i
* @param r the r signatures of the delgatedTransfer msg.
* @param s the s signatures of the delgatedTransfer msg.
* @param v the v signatures of the delgatedTransfer msg.
* @param to The addresses to transfer to.
* @param value The amounts to be transferred.
* @param fee optional ERC20 fees paid to the delegate of betaDelegatedTransfer by the from address.
* @param seq sequencing numbers included by the from address specific to this contract to protect from replays.
* @param deadline block numbers after which the pre-signed transactions have expired.
* @return A boolean that indicates if the operation was successful.
*/
function betaDelegatedTransferBatch(
bytes32[] r, bytes32[] s, uint8[] v, address[] to, uint256[] value, uint256[] fee, uint256[] seq, uint256[] deadline
) public returns (bool) {
require(r.length == s.length && r.length == v.length && r.length == to.length && r.length == value.length, "length mismatch");
require(r.length == fee.length && r.length == seq.length && r.length == deadline.length, "length mismatch");
for (uint i = 0; i < r.length; i++) {
require(
_betaDelegatedTransfer(r[i], s[i], v[i], to[i], value[i], fee[i], seq[i], deadline[i]),
"failed transfer"
);
}
return true;
}
/**
* @dev Gets whether the address is currently whitelisted for betaDelegateTransfer.
* @param _addr The address to check if whitelisted.
* @return A bool representing whether the given address is whitelisted.
*/
function isWhitelistedBetaDelegate(address _addr) public view returns (bool) {
return betaDelegateWhitelist[_addr];
}
/**
* @dev Sets a new betaDelegate whitelister.
* @param _newWhitelister The address allowed to whitelist betaDelegates.
*/
function setBetaDelegateWhitelister(address _newWhitelister) public {
require(msg.sender == betaDelegateWhitelister || msg.sender == owner, "only Whitelister or Owner");
betaDelegateWhitelister = _newWhitelister;
emit BetaDelegateWhitelisterSet(betaDelegateWhitelister, _newWhitelister);
}
modifier onlyBetaDelegateWhitelister() {
require(msg.sender == betaDelegateWhitelister, "onlyBetaDelegateWhitelister");
_;
}
/**
* @dev Whitelists an address to allow calling BetaDelegatedTransfer.
* @param _addr The new address to whitelist.
*/
function whitelistBetaDelegate(address _addr) public onlyBetaDelegateWhitelister {
require(!betaDelegateWhitelist[_addr], "delegate already whitelisted");
betaDelegateWhitelist[_addr] = true;
emit BetaDelegateWhitelisted(_addr);
}
/**
* @dev Unwhitelists an address to disallow calling BetaDelegatedTransfer.
* @param _addr The new address to whitelist.
*/
function unwhitelistBetaDelegate(address _addr) public onlyBetaDelegateWhitelister {
require(betaDelegateWhitelist[_addr], "delegate not whitelisted");
betaDelegateWhitelist[_addr] = false;
emit BetaDelegateUnwhitelisted(_addr);
}
} | /**
* @title DDFImplementationV2
* @dev this contract is a Pausable ERC20 token with Burn and Mint
* controlled by a central SupplyController. By implementing DDFosImplementation
* this contract also includes external methods for setting
* a new implementation contract for the Proxy.
* NOTE: The storage defined here will actually be held in the Proxy
* contract and all calls to this contract should be made through
* the proxy, including admin actions done as owner or supplyController.
* Any call to transfer against this contract should fail
* with insufficient funds since no tokens will be issued there.
*/ | NatSpecMultiLine | whitelistBetaDelegate | function whitelistBetaDelegate(address _addr) public onlyBetaDelegateWhitelister {
require(!betaDelegateWhitelist[_addr], "delegate already whitelisted");
betaDelegateWhitelist[_addr] = true;
emit BetaDelegateWhitelisted(_addr);
}
| /**
* @dev Whitelists an address to allow calling BetaDelegatedTransfer.
* @param _addr The new address to whitelist.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | MIT | bzzr://ba709ffd60160b55cc55286e2d83f71ab49527b7a8a71c42a63a355bed1d4d6d | {
"func_code_index": [
23990,
24257
]
} | 4,507 |
DDFImplementationV2 | DDFImplementationV2.sol | 0x6f0bb458067038f9c7992dcde2025f0eefb5ecf6 | Solidity | DDFImplementationV2 | contract DDFImplementationV2 {
/**
* MATH
*/
using SafeMath for uint256;
/**
* DATA
*/
// INITIALIZATION DATA
bool private initialized = false;
// ERC20 BASIC DATA
mapping(address => uint256) internal balances;
uint256 internal totalSupply_;
string public constant name = "DefiDao Fund"; // solium-disable-line
string public constant symbol = "DDF"; // solium-disable-line uppercase
uint8 public constant decimals = 18; // solium-disable-line uppercase
// ERC20 DATA
mapping(address => mapping(address => uint256)) internal allowed;
// OWNER DATA PART 1
address public owner;
// PAUSABILITY DATA
bool public paused = false;
// ASSET PROTECTION DATA
address public assetProtectionRole;
mapping(address => bool) internal frozen;
// SUPPLY CONTROL DATA
address public supplyController;
// OWNER DATA PART 2
address public proposedOwner;
// DELEGATED TRANSFER DATA
address public betaDelegateWhitelister;
mapping(address => bool) internal betaDelegateWhitelist;
mapping(address => uint256) internal nextSeqs;
// EIP191 header for EIP712 prefix
string constant internal EIP191_HEADER = "\x19\x01";
// Hash of the EIP712 Domain Separator Schema
bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(
"EIP712Domain(string name,address verifyingContract)"
);
bytes32 constant internal EIP712_DELEGATED_TRANSFER_SCHEMA_HASH = keccak256(
"BetaDelegatedTransfer(address to,uint256 value,uint256 fee,uint256 seq,uint256 deadline)"
);
// Hash of the EIP712 Domain Separator data
// solhint-disable-next-line var-name-mixedcase
bytes32 public EIP712_DOMAIN_HASH;
/**
* EVENTS
*/
// ERC20 BASIC EVENTS
event Transfer(address indexed from, address indexed to, uint256 value);
// ERC20 EVENTS
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
// OWNABLE EVENTS
event OwnershipTransferProposed(
address indexed currentOwner,
address indexed proposedOwner
);
event OwnershipTransferDisregarded(
address indexed oldProposedOwner
);
event OwnershipTransferred(
address indexed oldOwner,
address indexed newOwner
);
// PAUSABLE EVENTS
event Pause();
event Unpause();
// ASSET PROTECTION EVENTS
event AddressFrozen(address indexed addr);
event AddressUnfrozen(address indexed addr);
event FrozenAddressWiped(address indexed addr);
event AssetProtectionRoleSet (
address indexed oldAssetProtectionRole,
address indexed newAssetProtectionRole
);
// SUPPLY CONTROL EVENTS
event SupplyIncreased(address indexed to, uint256 value);
event SupplyDecreased(address indexed from, uint256 value);
event SupplyControllerSet(
address indexed oldSupplyController,
address indexed newSupplyController
);
// DELEGATED TRANSFER EVENTS
event BetaDelegatedTransfer(
address indexed from, address indexed to, uint256 value, uint256 seq, uint256 fee
);
event BetaDelegateWhitelisterSet(
address indexed oldWhitelister,
address indexed newWhitelister
);
event BetaDelegateWhitelisted(address indexed newDelegate);
event BetaDelegateUnwhitelisted(address indexed oldDelegate);
/**
* FUNCTIONALITY
*/
// INITIALIZATION FUNCTIONALITY
/**
* @dev sets 0 initials tokens, the owner, and the supplyController.
* this serves as the constructor for the proxy but compiles to the
* memory model of the Implementation contract.
*/
function initialize() public {
require(!initialized, "already initialized");
owner = msg.sender;
assetProtectionRole = address(0);
totalSupply_ = 0;
supplyController = msg.sender;
initialized = true;
}
/**
* The constructor is used here to ensure that the implementation
* contract is initialized. An uncontrolled implementation
* contract might lead to misleading state
* for users who accidentally interact with it.
*/
constructor() public {
initialize();
pause();
// Added in V2
initializeDomainSeparator();
}
/**
* @dev To be called when upgrading the contract using upgradeAndCall to add delegated transfers
*/
function initializeDomainSeparator() public {
// hash the name context with the contract address
EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(// solium-disable-line
EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,
keccak256(bytes(name)),
bytes32(address(this))
));
proposedOwner = address(0);
}
// ERC20 BASIC FUNCTIONALITY
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev Transfer token to a specified address from msg.sender
* Note: the use of Safemath ensures that _value is nonnegative.
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
require(_to != address(0), "cannot transfer to address zero");
require(!frozen[_to] && !frozen[msg.sender], "address frozen");
require(_value <= balances[msg.sender], "insufficient funds");
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _addr The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _addr) public view returns (uint256) {
return balances[_addr];
}
// ERC20 FUNCTIONALITY
/**
* @dev Transfer tokens from one address to another
* @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
whenNotPaused
returns (bool)
{
require(_to != address(0), "cannot transfer to address zero");
require(!frozen[_to] && !frozen[_from] && !frozen[msg.sender], "address frozen");
require(_value <= balances[_from], "insufficient funds");
require(_value <= allowed[_from][msg.sender], "insufficient allowance");
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _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 whenNotPaused returns (bool) {
require(!frozen[_spender] && !frozen[msg.sender], "address frozen");
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @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];
}
// OWNER FUNCTIONALITY
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner, "onlyOwner");
_;
}
/**
* @dev Allows the current owner to begin transferring control of the contract to a proposedOwner
* @param _proposedOwner The address to transfer ownership to.
*/
function proposeOwner(address _proposedOwner) public onlyOwner {
require(_proposedOwner != address(0), "cannot transfer ownership to address zero");
require(msg.sender != _proposedOwner, "caller already is owner");
proposedOwner = _proposedOwner;
emit OwnershipTransferProposed(owner, proposedOwner);
}
/**
* @dev Allows the current owner or proposed owner to cancel transferring control of the contract to a proposedOwner
*/
function disregardProposeOwner() public {
require(msg.sender == proposedOwner || msg.sender == owner, "only proposedOwner or owner");
require(proposedOwner != address(0), "can only disregard a proposed owner that was previously set");
address _oldProposedOwner = proposedOwner;
proposedOwner = address(0);
emit OwnershipTransferDisregarded(_oldProposedOwner);
}
/**
* @dev Allows the proposed owner to complete transferring control of the contract to the proposedOwner.
*/
function claimOwnership() public {
require(msg.sender == proposedOwner, "onlyProposedOwner");
address _oldOwner = owner;
owner = proposedOwner;
proposedOwner = address(0);
emit OwnershipTransferred(_oldOwner, owner);
}
/**
* @dev Reclaim all DDF at the contract address.
* This sends the DDF tokens that this contract add holding to the owner.
* Note: this is not affected by freeze constraints.
*/
function reclaimDDF() external onlyOwner {
uint256 _balance = balances[this];
balances[this] = 0;
balances[owner] = balances[owner].add(_balance);
emit Transfer(this, owner, _balance);
}
// PAUSABILITY FUNCTIONALITY
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused, "whenNotPaused");
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() public onlyOwner {
require(!paused, "already paused");
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() public onlyOwner {
require(paused, "already unpaused");
paused = false;
emit Unpause();
}
// ASSET PROTECTION FUNCTIONALITY
/**
* @dev Sets a new asset protection role address.
* @param _newAssetProtectionRole The new address allowed to freeze/unfreeze addresses and seize their tokens.
*/
function setAssetProtectionRole(address _newAssetProtectionRole) public {
require(msg.sender == assetProtectionRole || msg.sender == owner, "only assetProtectionRole or Owner");
emit AssetProtectionRoleSet(assetProtectionRole, _newAssetProtectionRole);
assetProtectionRole = _newAssetProtectionRole;
}
modifier onlyAssetProtectionRole() {
require(msg.sender == assetProtectionRole, "onlyAssetProtectionRole");
_;
}
/**
* @dev Freezes an address balance from being transferred.
* @param _addr The new address to freeze.
*/
function freeze(address _addr) public onlyAssetProtectionRole {
require(!frozen[_addr], "address already frozen");
frozen[_addr] = true;
emit AddressFrozen(_addr);
}
/**
* @dev Unfreezes an address balance allowing transfer.
* @param _addr The new address to unfreeze.
*/
function unfreeze(address _addr) public onlyAssetProtectionRole {
require(frozen[_addr], "address already unfrozen");
frozen[_addr] = false;
emit AddressUnfrozen(_addr);
}
/**
* @dev Wipes the balance of a frozen address, burning the tokens
* and setting the approval to zero.
* @param _addr The new frozen address to wipe.
*/
function wipeFrozenAddress(address _addr) public onlyAssetProtectionRole {
require(frozen[_addr], "address is not frozen");
uint256 _balance = balances[_addr];
balances[_addr] = 0;
totalSupply_ = totalSupply_.sub(_balance);
emit FrozenAddressWiped(_addr);
emit SupplyDecreased(_addr, _balance);
emit Transfer(_addr, address(0), _balance);
}
/**
* @dev Gets whether the address is currently frozen.
* @param _addr The address to check if frozen.
* @return A bool representing whether the given address is frozen.
*/
function isFrozen(address _addr) public view returns (bool) {
return frozen[_addr];
}
// SUPPLY CONTROL FUNCTIONALITY
/**
* @dev Sets a new supply controller address.
* @param _newSupplyController The address allowed to burn/mint tokens to control supply.
*/
function setSupplyController(address _newSupplyController) public {
require(msg.sender == supplyController || msg.sender == owner, "only SupplyController or Owner");
require(_newSupplyController != address(0), "cannot set supply controller to address zero");
emit SupplyControllerSet(supplyController, _newSupplyController);
supplyController = _newSupplyController;
}
modifier onlySupplyController() {
require(msg.sender == supplyController, "onlySupplyController");
_;
}
/**
* @dev Increases the total supply by minting the specified number of tokens to the supply controller account.
* @param _value The number of tokens to add.
* @return A boolean that indicates if the operation was successful.
*/
function increaseSupply(uint256 _value) public onlySupplyController returns (bool success) {
totalSupply_ = totalSupply_.add(_value);
balances[supplyController] = balances[supplyController].add(_value);
emit SupplyIncreased(supplyController, _value);
emit Transfer(address(0), supplyController, _value);
return true;
}
/**
* @dev Decreases the total supply by burning the specified number of tokens from the supply controller account.
* @param _value The number of tokens to remove.
* @return A boolean that indicates if the operation was successful.
*/
function decreaseSupply(uint256 _value) public onlySupplyController returns (bool success) {
require(_value <= balances[supplyController], "not enough supply");
balances[supplyController] = balances[supplyController].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit SupplyDecreased(supplyController, _value);
emit Transfer(supplyController, address(0), _value);
return true;
}
// DELEGATED TRANSFER FUNCTIONALITY
/**
* @dev returns the next seq for a target address.
* The transactor must submit nextSeqOf(transactor) in the next transaction for it to be valid.
* Note: that the seq context is specific to this smart contract.
* @param target The target address.
* @return the seq.
*/
//
function nextSeqOf(address target) public view returns (uint256) {
return nextSeqs[target];
}
/**
* @dev Performs a transfer on behalf of the from address, identified by its signature on the delegatedTransfer msg.
* Splits a signature byte array into r,s,v for convenience.
* @param sig the signature of the delgatedTransfer msg.
* @param to The address to transfer to.
* @param value The amount to be transferred.
* @param fee an optional ERC20 fee paid to the executor of betaDelegatedTransfer by the from address.
* @param seq a sequencing number included by the from address specific to this contract to protect from replays.
* @param deadline a block number after which the pre-signed transaction has expired.
* @return A boolean that indicates if the operation was successful.
*/
function betaDelegatedTransfer(
bytes sig, address to, uint256 value, uint256 fee, uint256 seq, uint256 deadline
) public returns (bool) {
require(sig.length == 65, "signature should have length 65");
bytes32 r;
bytes32 s;
uint8 v;
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
v := byte(0, mload(add(sig, 96)))
}
require(_betaDelegatedTransfer(r, s, v, to, value, fee, seq, deadline), "failed transfer");
return true;
}
/**
* @dev Performs a transfer on behalf of the from address, identified by its signature on the betaDelegatedTransfer msg.
* Note: both the delegate and transactor sign in the fees. The transactor, however,
* has no control over the gas price, and therefore no control over the transaction time.
* Beta prefix chosen to avoid a name clash with an emerging standard in ERC865 or elsewhere.
* Internal to the contract - see betaDelegatedTransfer and betaDelegatedTransferBatch.
* @param r the r signature of the delgatedTransfer msg.
* @param s the s signature of the delgatedTransfer msg.
* @param v the v signature of the delgatedTransfer msg.
* @param to The address to transfer to.
* @param value The amount to be transferred.
* @param fee an optional ERC20 fee paid to the delegate of betaDelegatedTransfer by the from address.
* @param seq a sequencing number included by the from address specific to this contract to protect from replays.
* @param deadline a block number after which the pre-signed transaction has expired.
* @return A boolean that indicates if the operation was successful.
*/
function _betaDelegatedTransfer(
bytes32 r, bytes32 s, uint8 v, address to, uint256 value, uint256 fee, uint256 seq, uint256 deadline
) internal whenNotPaused returns (bool) {
require(betaDelegateWhitelist[msg.sender], "Beta feature only accepts whitelisted delegates");
require(value > 0 || fee > 0, "cannot transfer zero tokens with zero fee");
require(block.number <= deadline, "transaction expired");
// prevent sig malleability from ecrecover()
require(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "signature incorrect");
require(v == 27 || v == 28, "signature incorrect");
// EIP712 scheme: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-712.md
bytes32 delegatedTransferHash = keccak256(abi.encodePacked(// solium-disable-line
EIP712_DELEGATED_TRANSFER_SCHEMA_HASH, bytes32(to), value, fee, seq, deadline
));
bytes32 hash = keccak256(abi.encodePacked(EIP191_HEADER, EIP712_DOMAIN_HASH, delegatedTransferHash));
address _from = ecrecover(hash, v, r, s);
require(_from != address(0), "error determining from address from signature");
require(to != address(0), "canno use address zero");
require(!frozen[to] && !frozen[_from] && !frozen[msg.sender], "address frozen");
require(value.add(fee) <= balances[_from], "insufficient fund");
require(nextSeqs[_from] == seq, "incorrect seq");
nextSeqs[_from] = nextSeqs[_from].add(1);
balances[_from] = balances[_from].sub(value.add(fee));
if (fee != 0) {
balances[msg.sender] = balances[msg.sender].add(fee);
emit Transfer(_from, msg.sender, fee);
}
balances[to] = balances[to].add(value);
emit Transfer(_from, to, value);
emit BetaDelegatedTransfer(_from, to, value, seq, fee);
return true;
}
/**
* @dev Performs an atomic batch of transfers on behalf of the from addresses, identified by their signatures.
* Lack of nested array support in arguments requires all arguments to be passed as equal size arrays where
* delegated transfer number i is the combination of all arguments at index i
* @param r the r signatures of the delgatedTransfer msg.
* @param s the s signatures of the delgatedTransfer msg.
* @param v the v signatures of the delgatedTransfer msg.
* @param to The addresses to transfer to.
* @param value The amounts to be transferred.
* @param fee optional ERC20 fees paid to the delegate of betaDelegatedTransfer by the from address.
* @param seq sequencing numbers included by the from address specific to this contract to protect from replays.
* @param deadline block numbers after which the pre-signed transactions have expired.
* @return A boolean that indicates if the operation was successful.
*/
function betaDelegatedTransferBatch(
bytes32[] r, bytes32[] s, uint8[] v, address[] to, uint256[] value, uint256[] fee, uint256[] seq, uint256[] deadline
) public returns (bool) {
require(r.length == s.length && r.length == v.length && r.length == to.length && r.length == value.length, "length mismatch");
require(r.length == fee.length && r.length == seq.length && r.length == deadline.length, "length mismatch");
for (uint i = 0; i < r.length; i++) {
require(
_betaDelegatedTransfer(r[i], s[i], v[i], to[i], value[i], fee[i], seq[i], deadline[i]),
"failed transfer"
);
}
return true;
}
/**
* @dev Gets whether the address is currently whitelisted for betaDelegateTransfer.
* @param _addr The address to check if whitelisted.
* @return A bool representing whether the given address is whitelisted.
*/
function isWhitelistedBetaDelegate(address _addr) public view returns (bool) {
return betaDelegateWhitelist[_addr];
}
/**
* @dev Sets a new betaDelegate whitelister.
* @param _newWhitelister The address allowed to whitelist betaDelegates.
*/
function setBetaDelegateWhitelister(address _newWhitelister) public {
require(msg.sender == betaDelegateWhitelister || msg.sender == owner, "only Whitelister or Owner");
betaDelegateWhitelister = _newWhitelister;
emit BetaDelegateWhitelisterSet(betaDelegateWhitelister, _newWhitelister);
}
modifier onlyBetaDelegateWhitelister() {
require(msg.sender == betaDelegateWhitelister, "onlyBetaDelegateWhitelister");
_;
}
/**
* @dev Whitelists an address to allow calling BetaDelegatedTransfer.
* @param _addr The new address to whitelist.
*/
function whitelistBetaDelegate(address _addr) public onlyBetaDelegateWhitelister {
require(!betaDelegateWhitelist[_addr], "delegate already whitelisted");
betaDelegateWhitelist[_addr] = true;
emit BetaDelegateWhitelisted(_addr);
}
/**
* @dev Unwhitelists an address to disallow calling BetaDelegatedTransfer.
* @param _addr The new address to whitelist.
*/
function unwhitelistBetaDelegate(address _addr) public onlyBetaDelegateWhitelister {
require(betaDelegateWhitelist[_addr], "delegate not whitelisted");
betaDelegateWhitelist[_addr] = false;
emit BetaDelegateUnwhitelisted(_addr);
}
} | /**
* @title DDFImplementationV2
* @dev this contract is a Pausable ERC20 token with Burn and Mint
* controlled by a central SupplyController. By implementing DDFosImplementation
* this contract also includes external methods for setting
* a new implementation contract for the Proxy.
* NOTE: The storage defined here will actually be held in the Proxy
* contract and all calls to this contract should be made through
* the proxy, including admin actions done as owner or supplyController.
* Any call to transfer against this contract should fail
* with insufficient funds since no tokens will be issued there.
*/ | NatSpecMultiLine | unwhitelistBetaDelegate | function unwhitelistBetaDelegate(address _addr) public onlyBetaDelegateWhitelister {
require(betaDelegateWhitelist[_addr], "delegate not whitelisted");
betaDelegateWhitelist[_addr] = false;
emit BetaDelegateUnwhitelisted(_addr);
}
| /**
* @dev Unwhitelists an address to disallow calling BetaDelegatedTransfer.
* @param _addr The new address to whitelist.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | MIT | bzzr://ba709ffd60160b55cc55286e2d83f71ab49527b7a8a71c42a63a355bed1d4d6d | {
"func_code_index": [
24409,
24676
]
} | 4,508 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | tryAdd | function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
| /**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
155,
375
]
} | 4,509 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | trySub | function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
| /**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
517,
710
]
} | 4,510 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | tryMul | function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
| /**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
854,
1351
]
} | 4,511 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | tryDiv | function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
| /**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
1496,
1690
]
} | 4,512 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | tryMod | function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
| /**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
1845,
2039
]
} | 4,513 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | add | function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
| /**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
2270,
2370
]
} | 4,514 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
| /**
* @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 | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
2637,
2737
]
} | 4,515 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | mul | function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
| /**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
2980,
3080
]
} | 4,516 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | div | function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
| /**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
3365,
3465
]
} | 4,517 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | mod | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
| /**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
3914,
4014
]
} | 4,518 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | sub | function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
| /**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
4474,
4709
]
} | 4,519 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | div | function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
| /**
* @dev Returns the integer division of two unsigned integers, reverting 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 | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
5189,
5423
]
} | 4,520 |
BYOT | SafeMath.sol | 0x49789d0b0f73b9195d72d94979320a33530aea94 | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/ | NatSpecMultiLine | mod | function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
| /**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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 | v0.8.0+commit.c7dfd78e | MIT | ipfs://3d2af5faaea75e4440bc37580d0bd820ff1679fff9b93e8bb3bdad01f537d744 | {
"func_code_index": [
6065,
6299
]
} | 4,521 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | totalSupply | function totalSupply() external view returns (uint256);
| /**
* @dev Returns the amount of tokens in existence.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
94,
154
]
} | 4,522 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
237,
310
]
} | 4,523 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
534,
616
]
} | 4,524 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
895,
983
]
} | 4,525 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
1647,
1726
]
} | 4,526 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
2039,
2141
]
} | 4,527 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
259,
445
]
} | 4,528 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
723,
864
]
} | 4,529 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
1162,
1359
]
} | 4,530 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
1613,
2089
]
} | 4,531 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
2560,
2697
]
} | 4,532 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
3188,
3471
]
} | 4,533 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
3931,
4066
]
} | 4,534 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
4546,
4717
]
} | 4,535 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
606,
1230
]
} | 4,536 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
2160,
2562
]
} | 4,537 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
3318,
3496
]
} | 4,538 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
3721,
3922
]
} | 4,539 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
4292,
4523
]
} | 4,540 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | 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);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
4774,
5095
]
} | 4,541 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
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;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
569,
653
]
} | 4,542 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
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;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
1212,
1365
]
} | 4,543 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
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;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | 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://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
1515,
1764
]
} | 4,544 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
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;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | lock | function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
| //Locks the contract for owner for the amount of time provided | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
1932,
2151
]
} | 4,545 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
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;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | unlock | function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
| //Unlocks the contract for owner when _lockTime is exceeds | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
2222,
2520
]
} | 4,546 |
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | KishimotoInu | contract KishimotoInu is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
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 _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000000000 * 10**6 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = "Kishimoto Inu";
string private _symbol = "KISHIMOTO";
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 8; //(3% liquidityAddition + 2% rewardsDistribution + 3% devExpenses)
uint256 private _previousLiquidityFee = _liquidityFee;
address [] public tokenHolder;
uint256 public numberOfTokenHolders = 0;
mapping(address => bool) public exist;
mapping (address => bool) private _isBlackListedBot;
address[] private _blackListedBots;
mapping (address => bool) private bots;
mapping (address => bool) private _isBlacklisted;
// limit
uint256 public _maxTxAmount = 7500000000000 * 10**2 * 10**9; //1.5% after 50% burn
address payable wallet;
address payable rewardsWallet;
IPancakeRouter02 public pancakeRouter;
address public pancakePair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
uint256 private minTokensBeforeSwap = 8;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () public {
_rOwned[_msgSender()] = _rTotal;
wallet = msg.sender;
rewardsWallet= msg.sender;
//exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
// @dev set Pair
function setPair(address _pancakePair) external onlyOwner {
pancakePair = _pancakePair;
}
// @dev set Router
function setRouter(address _newPancakeRouter) external onlyOwner {
IPancakeRouter02 _pancakeRouter = IPancakeRouter02(_newPancakeRouter);
pancakeRouter = _pancakeRouter;
}
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 addBotToBlackList(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not blacklist Uniswap router.');
require(!_isBlackListedBot[account], "Account is already blacklisted");
_isBlackListedBot[account] = true;
_blackListedBots.push(account);
}
function removeBotFromBlackList(address account) external onlyOwner() {
require(_isBlackListedBot[account], "Account is not blacklisted");
for (uint256 i = 0; i < _blackListedBots.length; i++) {
if (_blackListedBots[i] == account) {
_blackListedBots[i] = _blackListedBots[_blackListedBots.length - 1];
_isBlackListedBot[account] = false;
_blackListedBots.pop();
break;
}
}
}
function isBlackListed(address account) public view returns (bool) {
return _isBlackListedBot[account];
}
function blacklistSingleWallet(address addresses) public onlyOwner(){
if(_isBlacklisted[addresses] == true) return;
_isBlacklisted[addresses] = true;
}
function blacklistMultipleWallets(address[] calldata addresses) public onlyOwner(){
for (uint256 i; i < addresses.length; ++i) {
_isBlacklisted[addresses[i]] = true;
}
}
function isBlacklisted(address addresses) public view returns (bool){
if(_isBlacklisted[addresses] == true) return true;
else return false;
}
function unBlacklistSingleWallet(address addresses) external onlyOwner(){
if(_isBlacklisted[addresses] == false) return;
_isBlacklisted[addresses] = false;
}
function unBlacklistMultipleWallets(address[] calldata addresses) public onlyOwner(){
for (uint256 i; i < addresses.length; ++i) {
_isBlacklisted[addresses[i]] = false;
}
}
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 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(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude pancake router.');
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");
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));
require(spender != address(0));
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
bool public limit = true;
function changeLimit() public onlyOwner(){
require(limit == true, 'limit is already false');
limit = false;
}
function expectedRewards(address _sender) external view returns(uint256){
uint256 _balance = address(this).balance;
address sender = _sender;
uint256 holdersBal = balanceOf(sender);
uint totalExcludedBal;
for(uint256 i = 0; i<_excluded.length; i++){
totalExcludedBal = balanceOf(_excluded[i]).add(totalExcludedBal);
}
uint256 rewards = holdersBal.mul(_balance).div(_tTotal.sub(balanceOf(pancakePair)).sub(totalExcludedBal));
return rewards;
}
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");
require(!_isBlackListedBot[to], "You have no power here!");
require(!_isBlackListedBot[from], "You have no power here!");
require(_isBlacklisted[from] == false || to == address(0), "You are banned");
require(_isBlacklisted[to] == false, "The recipient is banned");
if(limit == true && from != owner() && to != owner()){
if(to != pancakePair){
require(((balanceOf(to).add(amount)) <= 500 ether));
}
require(amount <= 100 ether, 'Transfer amount must be less than 100 tokens');
}
if(from != owner() && to != owner())
require(amount <= _maxTxAmount);
// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap + liquidity lock?
// also, don't get caught in a circular liquidity event.
// also, don't swap & liquify if sender is pancake pair.
if(!exist[to]){
tokenHolder.push(to);
numberOfTokenHolders++;
exist[to] = true;
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinTokenBalance = contractTokenBalance >= minTokensBeforeSwap;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != pancakePair &&
swapAndLiquifyEnabled
) {
//add liquidity
swapAndLiquify(contractTokenBalance);
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn, liquidity fee
_tokenTransfer(from,to,amount,takeFee);
}
mapping(address => uint256) public myRewards;
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
// split the contract balance into halves
uint256 forLiquidity = contractTokenBalance.div(2);
uint256 devExp = contractTokenBalance.div(4);
uint256 forRewards = contractTokenBalance.div(4);
// split the liquidity
uint256 half = forLiquidity.div(2);
uint256 otherHalf = forLiquidity.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(devExp).add(forRewards)); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
// how much ETH did we just swap into?
uint256 Balance = address(this).balance.sub(initialBalance);
uint256 oneThird = Balance.div(3);
wallet.transfer(oneThird);
rewardsWallet.transfer(oneThird);
// for(uint256 i = 0; i < numberOfTokenHolders; i++){
// uint256 share = (balanceOf(tokenHolder[i]).mul(ethFees)).div(totalSupply());
// myRewards[tokenHolder[i]] = myRewards[tokenHolder[i]].add(share);
//}
// add liquidity to pancake
addLiquidity(otherHalf, oneThird);
emit SwapAndLiquify(half, oneThird, otherHalf);
}
function BNBBalance() external view returns(uint256){
return address(this).balance;
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the pancake pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = pancakeRouter.WETH();
_approve(address(this), address(pancakeRouter), tokenAmount);
// make the swap
pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(pancakeRouter), tokenAmount);
// add the liquidity
pancakeRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
//this method is responsible for taking all fee, if takeFee is true
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]) {
_transferStandard(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;
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 setTaxFeePercent(uint256 taxFee) external onlyOwner() {
require(taxFee <= 10, "Maximum fee limit is 10 percent");
_taxFee = taxFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
require(liquidityFee <= 10, "Maximum fee limit is 10 percent");
_liquidityFee = liquidityFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
require(maxTxPercent <= 50, "Maximum tax limit is 10 percent");
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
//to recieve ETH from pancakeRouter when swaping
receive() external payable {}
} | setPair | function setPair(address _pancakePair) external onlyOwner {
pancakePair = _pancakePair;
}
| // @dev set Pair | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
2525,
2633
]
} | 4,547 |
||
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | KishimotoInu | contract KishimotoInu is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
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 _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000000000 * 10**6 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = "Kishimoto Inu";
string private _symbol = "KISHIMOTO";
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 8; //(3% liquidityAddition + 2% rewardsDistribution + 3% devExpenses)
uint256 private _previousLiquidityFee = _liquidityFee;
address [] public tokenHolder;
uint256 public numberOfTokenHolders = 0;
mapping(address => bool) public exist;
mapping (address => bool) private _isBlackListedBot;
address[] private _blackListedBots;
mapping (address => bool) private bots;
mapping (address => bool) private _isBlacklisted;
// limit
uint256 public _maxTxAmount = 7500000000000 * 10**2 * 10**9; //1.5% after 50% burn
address payable wallet;
address payable rewardsWallet;
IPancakeRouter02 public pancakeRouter;
address public pancakePair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
uint256 private minTokensBeforeSwap = 8;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () public {
_rOwned[_msgSender()] = _rTotal;
wallet = msg.sender;
rewardsWallet= msg.sender;
//exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
// @dev set Pair
function setPair(address _pancakePair) external onlyOwner {
pancakePair = _pancakePair;
}
// @dev set Router
function setRouter(address _newPancakeRouter) external onlyOwner {
IPancakeRouter02 _pancakeRouter = IPancakeRouter02(_newPancakeRouter);
pancakeRouter = _pancakeRouter;
}
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 addBotToBlackList(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not blacklist Uniswap router.');
require(!_isBlackListedBot[account], "Account is already blacklisted");
_isBlackListedBot[account] = true;
_blackListedBots.push(account);
}
function removeBotFromBlackList(address account) external onlyOwner() {
require(_isBlackListedBot[account], "Account is not blacklisted");
for (uint256 i = 0; i < _blackListedBots.length; i++) {
if (_blackListedBots[i] == account) {
_blackListedBots[i] = _blackListedBots[_blackListedBots.length - 1];
_isBlackListedBot[account] = false;
_blackListedBots.pop();
break;
}
}
}
function isBlackListed(address account) public view returns (bool) {
return _isBlackListedBot[account];
}
function blacklistSingleWallet(address addresses) public onlyOwner(){
if(_isBlacklisted[addresses] == true) return;
_isBlacklisted[addresses] = true;
}
function blacklistMultipleWallets(address[] calldata addresses) public onlyOwner(){
for (uint256 i; i < addresses.length; ++i) {
_isBlacklisted[addresses[i]] = true;
}
}
function isBlacklisted(address addresses) public view returns (bool){
if(_isBlacklisted[addresses] == true) return true;
else return false;
}
function unBlacklistSingleWallet(address addresses) external onlyOwner(){
if(_isBlacklisted[addresses] == false) return;
_isBlacklisted[addresses] = false;
}
function unBlacklistMultipleWallets(address[] calldata addresses) public onlyOwner(){
for (uint256 i; i < addresses.length; ++i) {
_isBlacklisted[addresses[i]] = false;
}
}
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 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(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude pancake router.');
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");
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));
require(spender != address(0));
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
bool public limit = true;
function changeLimit() public onlyOwner(){
require(limit == true, 'limit is already false');
limit = false;
}
function expectedRewards(address _sender) external view returns(uint256){
uint256 _balance = address(this).balance;
address sender = _sender;
uint256 holdersBal = balanceOf(sender);
uint totalExcludedBal;
for(uint256 i = 0; i<_excluded.length; i++){
totalExcludedBal = balanceOf(_excluded[i]).add(totalExcludedBal);
}
uint256 rewards = holdersBal.mul(_balance).div(_tTotal.sub(balanceOf(pancakePair)).sub(totalExcludedBal));
return rewards;
}
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");
require(!_isBlackListedBot[to], "You have no power here!");
require(!_isBlackListedBot[from], "You have no power here!");
require(_isBlacklisted[from] == false || to == address(0), "You are banned");
require(_isBlacklisted[to] == false, "The recipient is banned");
if(limit == true && from != owner() && to != owner()){
if(to != pancakePair){
require(((balanceOf(to).add(amount)) <= 500 ether));
}
require(amount <= 100 ether, 'Transfer amount must be less than 100 tokens');
}
if(from != owner() && to != owner())
require(amount <= _maxTxAmount);
// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap + liquidity lock?
// also, don't get caught in a circular liquidity event.
// also, don't swap & liquify if sender is pancake pair.
if(!exist[to]){
tokenHolder.push(to);
numberOfTokenHolders++;
exist[to] = true;
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinTokenBalance = contractTokenBalance >= minTokensBeforeSwap;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != pancakePair &&
swapAndLiquifyEnabled
) {
//add liquidity
swapAndLiquify(contractTokenBalance);
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn, liquidity fee
_tokenTransfer(from,to,amount,takeFee);
}
mapping(address => uint256) public myRewards;
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
// split the contract balance into halves
uint256 forLiquidity = contractTokenBalance.div(2);
uint256 devExp = contractTokenBalance.div(4);
uint256 forRewards = contractTokenBalance.div(4);
// split the liquidity
uint256 half = forLiquidity.div(2);
uint256 otherHalf = forLiquidity.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(devExp).add(forRewards)); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
// how much ETH did we just swap into?
uint256 Balance = address(this).balance.sub(initialBalance);
uint256 oneThird = Balance.div(3);
wallet.transfer(oneThird);
rewardsWallet.transfer(oneThird);
// for(uint256 i = 0; i < numberOfTokenHolders; i++){
// uint256 share = (balanceOf(tokenHolder[i]).mul(ethFees)).div(totalSupply());
// myRewards[tokenHolder[i]] = myRewards[tokenHolder[i]].add(share);
//}
// add liquidity to pancake
addLiquidity(otherHalf, oneThird);
emit SwapAndLiquify(half, oneThird, otherHalf);
}
function BNBBalance() external view returns(uint256){
return address(this).balance;
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the pancake pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = pancakeRouter.WETH();
_approve(address(this), address(pancakeRouter), tokenAmount);
// make the swap
pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(pancakeRouter), tokenAmount);
// add the liquidity
pancakeRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
//this method is responsible for taking all fee, if takeFee is true
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]) {
_transferStandard(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;
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 setTaxFeePercent(uint256 taxFee) external onlyOwner() {
require(taxFee <= 10, "Maximum fee limit is 10 percent");
_taxFee = taxFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
require(liquidityFee <= 10, "Maximum fee limit is 10 percent");
_liquidityFee = liquidityFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
require(maxTxPercent <= 50, "Maximum tax limit is 10 percent");
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
//to recieve ETH from pancakeRouter when swaping
receive() external payable {}
} | setRouter | function setRouter(address _newPancakeRouter) external onlyOwner {
IPancakeRouter02 _pancakeRouter = IPancakeRouter02(_newPancakeRouter);
pancakeRouter = _pancakeRouter;
}
| // @dev set Router | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
2660,
2859
]
} | 4,548 |
||
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | KishimotoInu | contract KishimotoInu is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
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 _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000000000 * 10**6 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = "Kishimoto Inu";
string private _symbol = "KISHIMOTO";
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 8; //(3% liquidityAddition + 2% rewardsDistribution + 3% devExpenses)
uint256 private _previousLiquidityFee = _liquidityFee;
address [] public tokenHolder;
uint256 public numberOfTokenHolders = 0;
mapping(address => bool) public exist;
mapping (address => bool) private _isBlackListedBot;
address[] private _blackListedBots;
mapping (address => bool) private bots;
mapping (address => bool) private _isBlacklisted;
// limit
uint256 public _maxTxAmount = 7500000000000 * 10**2 * 10**9; //1.5% after 50% burn
address payable wallet;
address payable rewardsWallet;
IPancakeRouter02 public pancakeRouter;
address public pancakePair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
uint256 private minTokensBeforeSwap = 8;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () public {
_rOwned[_msgSender()] = _rTotal;
wallet = msg.sender;
rewardsWallet= msg.sender;
//exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
// @dev set Pair
function setPair(address _pancakePair) external onlyOwner {
pancakePair = _pancakePair;
}
// @dev set Router
function setRouter(address _newPancakeRouter) external onlyOwner {
IPancakeRouter02 _pancakeRouter = IPancakeRouter02(_newPancakeRouter);
pancakeRouter = _pancakeRouter;
}
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 addBotToBlackList(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not blacklist Uniswap router.');
require(!_isBlackListedBot[account], "Account is already blacklisted");
_isBlackListedBot[account] = true;
_blackListedBots.push(account);
}
function removeBotFromBlackList(address account) external onlyOwner() {
require(_isBlackListedBot[account], "Account is not blacklisted");
for (uint256 i = 0; i < _blackListedBots.length; i++) {
if (_blackListedBots[i] == account) {
_blackListedBots[i] = _blackListedBots[_blackListedBots.length - 1];
_isBlackListedBot[account] = false;
_blackListedBots.pop();
break;
}
}
}
function isBlackListed(address account) public view returns (bool) {
return _isBlackListedBot[account];
}
function blacklistSingleWallet(address addresses) public onlyOwner(){
if(_isBlacklisted[addresses] == true) return;
_isBlacklisted[addresses] = true;
}
function blacklistMultipleWallets(address[] calldata addresses) public onlyOwner(){
for (uint256 i; i < addresses.length; ++i) {
_isBlacklisted[addresses[i]] = true;
}
}
function isBlacklisted(address addresses) public view returns (bool){
if(_isBlacklisted[addresses] == true) return true;
else return false;
}
function unBlacklistSingleWallet(address addresses) external onlyOwner(){
if(_isBlacklisted[addresses] == false) return;
_isBlacklisted[addresses] = false;
}
function unBlacklistMultipleWallets(address[] calldata addresses) public onlyOwner(){
for (uint256 i; i < addresses.length; ++i) {
_isBlacklisted[addresses[i]] = false;
}
}
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 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(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude pancake router.');
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");
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));
require(spender != address(0));
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
bool public limit = true;
function changeLimit() public onlyOwner(){
require(limit == true, 'limit is already false');
limit = false;
}
function expectedRewards(address _sender) external view returns(uint256){
uint256 _balance = address(this).balance;
address sender = _sender;
uint256 holdersBal = balanceOf(sender);
uint totalExcludedBal;
for(uint256 i = 0; i<_excluded.length; i++){
totalExcludedBal = balanceOf(_excluded[i]).add(totalExcludedBal);
}
uint256 rewards = holdersBal.mul(_balance).div(_tTotal.sub(balanceOf(pancakePair)).sub(totalExcludedBal));
return rewards;
}
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");
require(!_isBlackListedBot[to], "You have no power here!");
require(!_isBlackListedBot[from], "You have no power here!");
require(_isBlacklisted[from] == false || to == address(0), "You are banned");
require(_isBlacklisted[to] == false, "The recipient is banned");
if(limit == true && from != owner() && to != owner()){
if(to != pancakePair){
require(((balanceOf(to).add(amount)) <= 500 ether));
}
require(amount <= 100 ether, 'Transfer amount must be less than 100 tokens');
}
if(from != owner() && to != owner())
require(amount <= _maxTxAmount);
// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap + liquidity lock?
// also, don't get caught in a circular liquidity event.
// also, don't swap & liquify if sender is pancake pair.
if(!exist[to]){
tokenHolder.push(to);
numberOfTokenHolders++;
exist[to] = true;
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinTokenBalance = contractTokenBalance >= minTokensBeforeSwap;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != pancakePair &&
swapAndLiquifyEnabled
) {
//add liquidity
swapAndLiquify(contractTokenBalance);
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn, liquidity fee
_tokenTransfer(from,to,amount,takeFee);
}
mapping(address => uint256) public myRewards;
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
// split the contract balance into halves
uint256 forLiquidity = contractTokenBalance.div(2);
uint256 devExp = contractTokenBalance.div(4);
uint256 forRewards = contractTokenBalance.div(4);
// split the liquidity
uint256 half = forLiquidity.div(2);
uint256 otherHalf = forLiquidity.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(devExp).add(forRewards)); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
// how much ETH did we just swap into?
uint256 Balance = address(this).balance.sub(initialBalance);
uint256 oneThird = Balance.div(3);
wallet.transfer(oneThird);
rewardsWallet.transfer(oneThird);
// for(uint256 i = 0; i < numberOfTokenHolders; i++){
// uint256 share = (balanceOf(tokenHolder[i]).mul(ethFees)).div(totalSupply());
// myRewards[tokenHolder[i]] = myRewards[tokenHolder[i]].add(share);
//}
// add liquidity to pancake
addLiquidity(otherHalf, oneThird);
emit SwapAndLiquify(half, oneThird, otherHalf);
}
function BNBBalance() external view returns(uint256){
return address(this).balance;
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the pancake pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = pancakeRouter.WETH();
_approve(address(this), address(pancakeRouter), tokenAmount);
// make the swap
pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(pancakeRouter), tokenAmount);
// add the liquidity
pancakeRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
//this method is responsible for taking all fee, if takeFee is true
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]) {
_transferStandard(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;
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 setTaxFeePercent(uint256 taxFee) external onlyOwner() {
require(taxFee <= 10, "Maximum fee limit is 10 percent");
_taxFee = taxFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
require(liquidityFee <= 10, "Maximum fee limit is 10 percent");
_liquidityFee = liquidityFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
require(maxTxPercent <= 50, "Maximum tax limit is 10 percent");
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
//to recieve ETH from pancakeRouter when swaping
receive() external payable {}
} | _tokenTransfer | 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]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
| //this method is responsible for taking all fee, if takeFee is true | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
15243,
16082
]
} | 4,549 |
||
KishimotoInu | KishimotoInu.sol | 0xf5b1fd29d23e98db2d9ebb8435e1082e3b38fb65 | Solidity | KishimotoInu | contract KishimotoInu is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
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 _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000000000 * 10**6 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = "Kishimoto Inu";
string private _symbol = "KISHIMOTO";
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 8; //(3% liquidityAddition + 2% rewardsDistribution + 3% devExpenses)
uint256 private _previousLiquidityFee = _liquidityFee;
address [] public tokenHolder;
uint256 public numberOfTokenHolders = 0;
mapping(address => bool) public exist;
mapping (address => bool) private _isBlackListedBot;
address[] private _blackListedBots;
mapping (address => bool) private bots;
mapping (address => bool) private _isBlacklisted;
// limit
uint256 public _maxTxAmount = 7500000000000 * 10**2 * 10**9; //1.5% after 50% burn
address payable wallet;
address payable rewardsWallet;
IPancakeRouter02 public pancakeRouter;
address public pancakePair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
uint256 private minTokensBeforeSwap = 8;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () public {
_rOwned[_msgSender()] = _rTotal;
wallet = msg.sender;
rewardsWallet= msg.sender;
//exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
// @dev set Pair
function setPair(address _pancakePair) external onlyOwner {
pancakePair = _pancakePair;
}
// @dev set Router
function setRouter(address _newPancakeRouter) external onlyOwner {
IPancakeRouter02 _pancakeRouter = IPancakeRouter02(_newPancakeRouter);
pancakeRouter = _pancakeRouter;
}
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 addBotToBlackList(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not blacklist Uniswap router.');
require(!_isBlackListedBot[account], "Account is already blacklisted");
_isBlackListedBot[account] = true;
_blackListedBots.push(account);
}
function removeBotFromBlackList(address account) external onlyOwner() {
require(_isBlackListedBot[account], "Account is not blacklisted");
for (uint256 i = 0; i < _blackListedBots.length; i++) {
if (_blackListedBots[i] == account) {
_blackListedBots[i] = _blackListedBots[_blackListedBots.length - 1];
_isBlackListedBot[account] = false;
_blackListedBots.pop();
break;
}
}
}
function isBlackListed(address account) public view returns (bool) {
return _isBlackListedBot[account];
}
function blacklistSingleWallet(address addresses) public onlyOwner(){
if(_isBlacklisted[addresses] == true) return;
_isBlacklisted[addresses] = true;
}
function blacklistMultipleWallets(address[] calldata addresses) public onlyOwner(){
for (uint256 i; i < addresses.length; ++i) {
_isBlacklisted[addresses[i]] = true;
}
}
function isBlacklisted(address addresses) public view returns (bool){
if(_isBlacklisted[addresses] == true) return true;
else return false;
}
function unBlacklistSingleWallet(address addresses) external onlyOwner(){
if(_isBlacklisted[addresses] == false) return;
_isBlacklisted[addresses] = false;
}
function unBlacklistMultipleWallets(address[] calldata addresses) public onlyOwner(){
for (uint256 i; i < addresses.length; ++i) {
_isBlacklisted[addresses[i]] = false;
}
}
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 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(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude pancake router.');
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");
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));
require(spender != address(0));
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
bool public limit = true;
function changeLimit() public onlyOwner(){
require(limit == true, 'limit is already false');
limit = false;
}
function expectedRewards(address _sender) external view returns(uint256){
uint256 _balance = address(this).balance;
address sender = _sender;
uint256 holdersBal = balanceOf(sender);
uint totalExcludedBal;
for(uint256 i = 0; i<_excluded.length; i++){
totalExcludedBal = balanceOf(_excluded[i]).add(totalExcludedBal);
}
uint256 rewards = holdersBal.mul(_balance).div(_tTotal.sub(balanceOf(pancakePair)).sub(totalExcludedBal));
return rewards;
}
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");
require(!_isBlackListedBot[to], "You have no power here!");
require(!_isBlackListedBot[from], "You have no power here!");
require(_isBlacklisted[from] == false || to == address(0), "You are banned");
require(_isBlacklisted[to] == false, "The recipient is banned");
if(limit == true && from != owner() && to != owner()){
if(to != pancakePair){
require(((balanceOf(to).add(amount)) <= 500 ether));
}
require(amount <= 100 ether, 'Transfer amount must be less than 100 tokens');
}
if(from != owner() && to != owner())
require(amount <= _maxTxAmount);
// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap + liquidity lock?
// also, don't get caught in a circular liquidity event.
// also, don't swap & liquify if sender is pancake pair.
if(!exist[to]){
tokenHolder.push(to);
numberOfTokenHolders++;
exist[to] = true;
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinTokenBalance = contractTokenBalance >= minTokensBeforeSwap;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != pancakePair &&
swapAndLiquifyEnabled
) {
//add liquidity
swapAndLiquify(contractTokenBalance);
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn, liquidity fee
_tokenTransfer(from,to,amount,takeFee);
}
mapping(address => uint256) public myRewards;
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
// split the contract balance into halves
uint256 forLiquidity = contractTokenBalance.div(2);
uint256 devExp = contractTokenBalance.div(4);
uint256 forRewards = contractTokenBalance.div(4);
// split the liquidity
uint256 half = forLiquidity.div(2);
uint256 otherHalf = forLiquidity.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(devExp).add(forRewards)); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
// how much ETH did we just swap into?
uint256 Balance = address(this).balance.sub(initialBalance);
uint256 oneThird = Balance.div(3);
wallet.transfer(oneThird);
rewardsWallet.transfer(oneThird);
// for(uint256 i = 0; i < numberOfTokenHolders; i++){
// uint256 share = (balanceOf(tokenHolder[i]).mul(ethFees)).div(totalSupply());
// myRewards[tokenHolder[i]] = myRewards[tokenHolder[i]].add(share);
//}
// add liquidity to pancake
addLiquidity(otherHalf, oneThird);
emit SwapAndLiquify(half, oneThird, otherHalf);
}
function BNBBalance() external view returns(uint256){
return address(this).balance;
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the pancake pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = pancakeRouter.WETH();
_approve(address(this), address(pancakeRouter), tokenAmount);
// make the swap
pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(pancakeRouter), tokenAmount);
// add the liquidity
pancakeRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
//this method is responsible for taking all fee, if takeFee is true
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]) {
_transferStandard(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;
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 setTaxFeePercent(uint256 taxFee) external onlyOwner() {
require(taxFee <= 10, "Maximum fee limit is 10 percent");
_taxFee = taxFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
require(liquidityFee <= 10, "Maximum fee limit is 10 percent");
_liquidityFee = liquidityFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
require(maxTxPercent <= 50, "Maximum tax limit is 10 percent");
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
//to recieve ETH from pancakeRouter when swaping
receive() external payable {}
} | //to recieve ETH from pancakeRouter when swaping | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://a72543e1d2117c34011f7a45b2d67f34077411f7909545c792655f571d6db673 | {
"func_code_index": [
22866,
22900
]
} | 4,550 |
||||
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | BasicToken | contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
revert();
}
_;
}
/**
* @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, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
} | /**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/ | NatSpecMultiLine | transfer | function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
| /**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
449,
676
]
} | 4,551 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | BasicToken | contract BasicToken is ERC20Basic {
using SafeMath for uint;
mapping(address => uint) balances;
/**
* @dev Fix for the ERC20 short address attack.
*/
modifier onlyPayloadSize(uint size) {
if(msg.data.length < size + 4) {
revert();
}
_;
}
/**
* @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, uint _value) onlyPayloadSize(2 * 32) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
} | /**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
| /**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint representing the amount owned by the passed address.
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
879,
985
]
} | 4,552 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | StandardToken | contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @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 uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) revert();
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert();
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than 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 uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
} | /**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/ | NatSpecMultiLine | transferFrom | function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) revert();
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
| /**
* @dev Transfer tokens from one address to another
* @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 uint the amout of tokens to be transfered
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
384,
878
]
} | 4,553 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | StandardToken | contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @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 uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) revert();
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert();
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than 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 uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
} | /**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/ | NatSpecMultiLine | approve | function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert();
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
| /**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
1113,
1630
]
} | 4,554 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | StandardToken | contract StandardToken is BasicToken, ERC20 {
mapping (address => mapping (address => uint)) allowed;
/**
* @dev Transfer tokens from one address to another
* @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 uint the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// if (_value > _allowance) revert();
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint _value) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert();
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
}
/**
* @dev Function to check the amount of tokens than 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 uint specifing the amount of tokens still avaible for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
} | /**
* @title Standard ERC20 token
*
* @dev Implemantation of the basic standart token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/ | NatSpecMultiLine | allowance | function allowance(address _owner, address _spender) constant returns (uint remaining) {
return allowed[_owner][_spender];
}
| /**
* @dev Function to check the amount of tokens than 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 uint specifing the amount of tokens still avaible for the spender.
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
1948,
2083
]
} | 4,555 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | Ownable | contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public{
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
revert();
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
} | /**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/ | NatSpecMultiLine | Ownable | function Ownable() public{
owner = msg.sender;
}
| /**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
169,
228
]
} | 4,556 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | Ownable | contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public{
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
if (msg.sender != owner) {
revert();
}
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
} | /**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/ | NatSpecMultiLine | transferOwnership | function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
| /**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
572,
703
]
} | 4,557 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | MintableToken | contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) revert();
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
} | /**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/ | NatSpecMultiLine | mint | function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
| /**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
514,
734
]
} | 4,558 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | MintableToken | contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint value);
event MintFinished();
bool public mintingFinished = false;
uint public totalSupply = 0;
modifier canMint() {
if(mintingFinished) revert();
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will recieve the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
} | /**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/ | NatSpecMultiLine | finishMinting | function finishMinting() onlyOwner returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
| /**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
851,
978
]
} | 4,559 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | Pausable | contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) revert();
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) revert();
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
} | /**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/ | NatSpecMultiLine | pause | function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
| /**
* @dev called by the owner to pause, triggers stopped state
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
497,
614
]
} | 4,560 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | Pausable | contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
if (paused) revert();
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused {
if (!paused) revert();
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused returns (bool) {
paused = true;
Pause();
return true;
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
} | /**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/ | NatSpecMultiLine | unpause | function unpause() onlyOwner whenPaused returns (bool) {
paused = false;
Unpause();
return true;
}
| /**
* @dev called by the owner to unpause, returns to normal state
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
698,
817
]
} | 4,561 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | TokenTimelock | contract TokenTimelock {
// ERC20 basic token contract being held
ERC20Basic token;
// beneficiary of tokens after they are released
address beneficiary;
// timestamp where token release is enabled
uint releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @dev beneficiary claims tokens held by time lock
*/
function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
} | /**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a time has passed
*/ | NatSpecMultiLine | claim | function claim() {
require(msg.sender == beneficiary);
require(now >= releaseTime);
uint amount = token.balanceOf(this);
require(amount > 0);
token.transfer(beneficiary, amount);
}
| /**
* @dev beneficiary claims tokens held by time lock
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
528,
743
]
} | 4,562 |
|
ZTRToken | ZTRToken.sol | 0x107bc486966ecddadb136463764a8eb73337c4df | Solidity | ZTRToken | contract ZTRToken is PausableToken, MintableToken {
using SafeMath for uint256;
string public name = "ZTRToken";
string public symbol = "ZTR";
uint public decimals = 18;
/**
* @dev mint timelocked tokens
*/
function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
} | /**
* @title ZTRToken
* @dev ZTR Token contract
*/ | NatSpecMultiLine | mintTimelocked | function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime)
onlyOwner canMint returns (TokenTimelock) {
TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime);
mint(timelock, _amount);
return timelock;
}
| /**
* @dev mint timelocked tokens
*/ | NatSpecMultiLine | v0.4.19+commit.c4cbbb05 | bzzr://0edcfff84c6311ce6cf6fcb2ea9dd31184f45b1f42be2c5988bd9336d370b1b3 | {
"func_code_index": [
235,
497
]
} | 4,563 |
|
BitMessageet | BitMessageet.sol | 0x1b65788f59815a10e9c299d763bd295f8826a7bb | Solidity | Context | contract Context {
constructor() internal {}
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
} | _msgSender | function _msgSender() internal view returns(address payable) {
return msg.sender;
}
| // solhint-disable-previous-line no-empty-blocks | LineComment | v0.5.17+commit.d19bba13 | None | bzzr://eb6c04204617bb18e014d10147be28adfad3fccbf9d5a0989d5892ea02a50688 | {
"func_code_index": [
105,
207
]
} | 4,564 |
||
ART | contracts\BlockBerry.sol | 0x7ca718cedc978725a8607fc2de535b3cc8bf7f77 | Solidity | BlockBerry | contract BlockBerry is ERC20, ERC20Detailed, Ownable {
using SafeMath for uint256;
using Roles for Roles.Role;
uint256 private _cap;
constructor(string memory description, string memory symbol, uint256 cap) //initialize the contract
ERC20Detailed(description, symbol, 18) //description symbol decimals
public {
_cap = cap;
}
/**
* @dev returns cap of tokens
*/
function cap() public view returns (uint256) {
return _cap;
}
/**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/
function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
/**
* @dev burn tokens. see _burn
*/
function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/
function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/
function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
/**
* @dev Emitted when owner freezes an account
*/
event Freeze(address indexed frozenAccount);
/**
* @dev Emitted when owner unfreezes an account
*/
event Unfreeze(address indexed unfrozenAccount);
/**
* @dev _frozenAccounts keeps tracks of accounts that are frozen
*/
Roles.Role private _frozenAccounts;
/**
* @dev used to override transfer funcs to ensure no transfers to and from frozen accounts
*/
modifier notFrozen(address account) {
require(!isFrozen(account), "Account is frozen");
_;
}
/**
* @dev checks if an account is frozen
*/
function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
/**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/
function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
/**
* @dev unfreeze an account
*/
function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
} | cap | function cap() public view returns (uint256) {
return _cap;
}
| /**
* @dev returns cap of tokens
*/ | NatSpecMultiLine | v0.5.11+commit.c082d0b4 | MIT | bzzr://5ffb067285e666f169cea6af52cffce058949b124481a53c46d782d13202570b | {
"func_code_index": [
429,
509
]
} | 4,565 |
||
ART | contracts\BlockBerry.sol | 0x7ca718cedc978725a8607fc2de535b3cc8bf7f77 | Solidity | BlockBerry | contract BlockBerry is ERC20, ERC20Detailed, Ownable {
using SafeMath for uint256;
using Roles for Roles.Role;
uint256 private _cap;
constructor(string memory description, string memory symbol, uint256 cap) //initialize the contract
ERC20Detailed(description, symbol, 18) //description symbol decimals
public {
_cap = cap;
}
/**
* @dev returns cap of tokens
*/
function cap() public view returns (uint256) {
return _cap;
}
/**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/
function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
/**
* @dev burn tokens. see _burn
*/
function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/
function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/
function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
/**
* @dev Emitted when owner freezes an account
*/
event Freeze(address indexed frozenAccount);
/**
* @dev Emitted when owner unfreezes an account
*/
event Unfreeze(address indexed unfrozenAccount);
/**
* @dev _frozenAccounts keeps tracks of accounts that are frozen
*/
Roles.Role private _frozenAccounts;
/**
* @dev used to override transfer funcs to ensure no transfers to and from frozen accounts
*/
modifier notFrozen(address account) {
require(!isFrozen(account), "Account is frozen");
_;
}
/**
* @dev checks if an account is frozen
*/
function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
/**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/
function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
/**
* @dev unfreeze an account
*/
function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
} | mint | function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
| /**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/ | NatSpecMultiLine | v0.5.11+commit.c082d0b4 | MIT | bzzr://5ffb067285e666f169cea6af52cffce058949b124481a53c46d782d13202570b | {
"func_code_index": [
619,
818
]
} | 4,566 |
||
ART | contracts\BlockBerry.sol | 0x7ca718cedc978725a8607fc2de535b3cc8bf7f77 | Solidity | BlockBerry | contract BlockBerry is ERC20, ERC20Detailed, Ownable {
using SafeMath for uint256;
using Roles for Roles.Role;
uint256 private _cap;
constructor(string memory description, string memory symbol, uint256 cap) //initialize the contract
ERC20Detailed(description, symbol, 18) //description symbol decimals
public {
_cap = cap;
}
/**
* @dev returns cap of tokens
*/
function cap() public view returns (uint256) {
return _cap;
}
/**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/
function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
/**
* @dev burn tokens. see _burn
*/
function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/
function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/
function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
/**
* @dev Emitted when owner freezes an account
*/
event Freeze(address indexed frozenAccount);
/**
* @dev Emitted when owner unfreezes an account
*/
event Unfreeze(address indexed unfrozenAccount);
/**
* @dev _frozenAccounts keeps tracks of accounts that are frozen
*/
Roles.Role private _frozenAccounts;
/**
* @dev used to override transfer funcs to ensure no transfers to and from frozen accounts
*/
modifier notFrozen(address account) {
require(!isFrozen(account), "Account is frozen");
_;
}
/**
* @dev checks if an account is frozen
*/
function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
/**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/
function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
/**
* @dev unfreeze an account
*/
function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
} | burn | function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
| /**
* @dev burn tokens. see _burn
*/ | NatSpecMultiLine | v0.5.11+commit.c082d0b4 | MIT | bzzr://5ffb067285e666f169cea6af52cffce058949b124481a53c46d782d13202570b | {
"func_code_index": [
875,
1006
]
} | 4,567 |
||
ART | contracts\BlockBerry.sol | 0x7ca718cedc978725a8607fc2de535b3cc8bf7f77 | Solidity | BlockBerry | contract BlockBerry is ERC20, ERC20Detailed, Ownable {
using SafeMath for uint256;
using Roles for Roles.Role;
uint256 private _cap;
constructor(string memory description, string memory symbol, uint256 cap) //initialize the contract
ERC20Detailed(description, symbol, 18) //description symbol decimals
public {
_cap = cap;
}
/**
* @dev returns cap of tokens
*/
function cap() public view returns (uint256) {
return _cap;
}
/**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/
function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
/**
* @dev burn tokens. see _burn
*/
function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/
function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/
function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
/**
* @dev Emitted when owner freezes an account
*/
event Freeze(address indexed frozenAccount);
/**
* @dev Emitted when owner unfreezes an account
*/
event Unfreeze(address indexed unfrozenAccount);
/**
* @dev _frozenAccounts keeps tracks of accounts that are frozen
*/
Roles.Role private _frozenAccounts;
/**
* @dev used to override transfer funcs to ensure no transfers to and from frozen accounts
*/
modifier notFrozen(address account) {
require(!isFrozen(account), "Account is frozen");
_;
}
/**
* @dev checks if an account is frozen
*/
function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
/**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/
function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
/**
* @dev unfreeze an account
*/
function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
} | transfer | function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
| /**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/ | NatSpecMultiLine | v0.5.11+commit.c082d0b4 | MIT | bzzr://5ffb067285e666f169cea6af52cffce058949b124481a53c46d782d13202570b | {
"func_code_index": [
1115,
1274
]
} | 4,568 |
||
ART | contracts\BlockBerry.sol | 0x7ca718cedc978725a8607fc2de535b3cc8bf7f77 | Solidity | BlockBerry | contract BlockBerry is ERC20, ERC20Detailed, Ownable {
using SafeMath for uint256;
using Roles for Roles.Role;
uint256 private _cap;
constructor(string memory description, string memory symbol, uint256 cap) //initialize the contract
ERC20Detailed(description, symbol, 18) //description symbol decimals
public {
_cap = cap;
}
/**
* @dev returns cap of tokens
*/
function cap() public view returns (uint256) {
return _cap;
}
/**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/
function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
/**
* @dev burn tokens. see _burn
*/
function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/
function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/
function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
/**
* @dev Emitted when owner freezes an account
*/
event Freeze(address indexed frozenAccount);
/**
* @dev Emitted when owner unfreezes an account
*/
event Unfreeze(address indexed unfrozenAccount);
/**
* @dev _frozenAccounts keeps tracks of accounts that are frozen
*/
Roles.Role private _frozenAccounts;
/**
* @dev used to override transfer funcs to ensure no transfers to and from frozen accounts
*/
modifier notFrozen(address account) {
require(!isFrozen(account), "Account is frozen");
_;
}
/**
* @dev checks if an account is frozen
*/
function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
/**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/
function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
/**
* @dev unfreeze an account
*/
function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
} | transferFrom | function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
| /**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/ | NatSpecMultiLine | v0.5.11+commit.c082d0b4 | MIT | bzzr://5ffb067285e666f169cea6af52cffce058949b124481a53c46d782d13202570b | {
"func_code_index": [
1387,
1590
]
} | 4,569 |
||
ART | contracts\BlockBerry.sol | 0x7ca718cedc978725a8607fc2de535b3cc8bf7f77 | Solidity | BlockBerry | contract BlockBerry is ERC20, ERC20Detailed, Ownable {
using SafeMath for uint256;
using Roles for Roles.Role;
uint256 private _cap;
constructor(string memory description, string memory symbol, uint256 cap) //initialize the contract
ERC20Detailed(description, symbol, 18) //description symbol decimals
public {
_cap = cap;
}
/**
* @dev returns cap of tokens
*/
function cap() public view returns (uint256) {
return _cap;
}
/**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/
function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
/**
* @dev burn tokens. see _burn
*/
function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/
function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/
function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
/**
* @dev Emitted when owner freezes an account
*/
event Freeze(address indexed frozenAccount);
/**
* @dev Emitted when owner unfreezes an account
*/
event Unfreeze(address indexed unfrozenAccount);
/**
* @dev _frozenAccounts keeps tracks of accounts that are frozen
*/
Roles.Role private _frozenAccounts;
/**
* @dev used to override transfer funcs to ensure no transfers to and from frozen accounts
*/
modifier notFrozen(address account) {
require(!isFrozen(account), "Account is frozen");
_;
}
/**
* @dev checks if an account is frozen
*/
function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
/**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/
function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
/**
* @dev unfreeze an account
*/
function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
} | isFrozen | function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
| /**
* @dev checks if an account is frozen
*/ | NatSpecMultiLine | v0.5.11+commit.c082d0b4 | MIT | bzzr://5ffb067285e666f169cea6af52cffce058949b124481a53c46d782d13202570b | {
"func_code_index": [
2271,
2392
]
} | 4,570 |
||
ART | contracts\BlockBerry.sol | 0x7ca718cedc978725a8607fc2de535b3cc8bf7f77 | Solidity | BlockBerry | contract BlockBerry is ERC20, ERC20Detailed, Ownable {
using SafeMath for uint256;
using Roles for Roles.Role;
uint256 private _cap;
constructor(string memory description, string memory symbol, uint256 cap) //initialize the contract
ERC20Detailed(description, symbol, 18) //description symbol decimals
public {
_cap = cap;
}
/**
* @dev returns cap of tokens
*/
function cap() public view returns (uint256) {
return _cap;
}
/**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/
function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
/**
* @dev burn tokens. see _burn
*/
function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/
function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/
function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
/**
* @dev Emitted when owner freezes an account
*/
event Freeze(address indexed frozenAccount);
/**
* @dev Emitted when owner unfreezes an account
*/
event Unfreeze(address indexed unfrozenAccount);
/**
* @dev _frozenAccounts keeps tracks of accounts that are frozen
*/
Roles.Role private _frozenAccounts;
/**
* @dev used to override transfer funcs to ensure no transfers to and from frozen accounts
*/
modifier notFrozen(address account) {
require(!isFrozen(account), "Account is frozen");
_;
}
/**
* @dev checks if an account is frozen
*/
function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
/**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/
function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
/**
* @dev unfreeze an account
*/
function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
} | freeze | function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
| /**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/ | NatSpecMultiLine | v0.5.11+commit.c082d0b4 | MIT | bzzr://5ffb067285e666f169cea6af52cffce058949b124481a53c46d782d13202570b | {
"func_code_index": [
2580,
2824
]
} | 4,571 |
||
ART | contracts\BlockBerry.sol | 0x7ca718cedc978725a8607fc2de535b3cc8bf7f77 | Solidity | BlockBerry | contract BlockBerry is ERC20, ERC20Detailed, Ownable {
using SafeMath for uint256;
using Roles for Roles.Role;
uint256 private _cap;
constructor(string memory description, string memory symbol, uint256 cap) //initialize the contract
ERC20Detailed(description, symbol, 18) //description symbol decimals
public {
_cap = cap;
}
/**
* @dev returns cap of tokens
*/
function cap() public view returns (uint256) {
return _cap;
}
/**
* @dev mints tokens. see ERC20._mint
* requirements: cannot exceed total cap
*/
function mint(uint256 value) public onlyOwner returns (bool) {
require(totalSupply().add(value) <= _cap, "Cap exceeded");
_mint(msg.sender, value);
return true;
}
/**
* @dev burn tokens. see _burn
*/
function burn(uint256 value) public onlyOwner returns (bool) {
_burn(msg.sender, value);
return true;
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transfer
*/
function transfer(address to, uint256 value) public notFrozen(msg.sender) notFrozen(to) returns (bool) {
return super.transfer(to, value);
}
/**
* @dev override func to check if relevant accounts are frozen. see ERC20.transferFrom
*/
function transferFrom(address from, address to, uint256 value) public notFrozen(msg.sender) notFrozen(from) notFrozen(to) returns (bool) {
return super.transferFrom(from, to, value);
}
/**
* @dev Emitted when owner freezes an account
*/
event Freeze(address indexed frozenAccount);
/**
* @dev Emitted when owner unfreezes an account
*/
event Unfreeze(address indexed unfrozenAccount);
/**
* @dev _frozenAccounts keeps tracks of accounts that are frozen
*/
Roles.Role private _frozenAccounts;
/**
* @dev used to override transfer funcs to ensure no transfers to and from frozen accounts
*/
modifier notFrozen(address account) {
require(!isFrozen(account), "Account is frozen");
_;
}
/**
* @dev checks if an account is frozen
*/
function isFrozen(address account) public view returns (bool) {
return _frozenAccounts.has(account);
}
/**
* @dev freeze functionality, requires account to be not the owner's account
* only owner can call this, and owner cannot provide his own address to freeze
*/
function freeze(address account) public onlyOwner returns (bool) {
require(account!=msg.sender, "owner cannot freeze own account");
_frozenAccounts.add(account);
emit Freeze(account);
return true;
}
/**
* @dev unfreeze an account
*/
function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
} | unfreeze | function unfreeze(address account) public onlyOwner returns (bool) {
_frozenAccounts.remove(account);
emit Unfreeze(account);
return true;
}
| /**
* @dev unfreeze an account
*/ | NatSpecMultiLine | v0.5.11+commit.c082d0b4 | MIT | bzzr://5ffb067285e666f169cea6af52cffce058949b124481a53c46d782d13202570b | {
"func_code_index": [
2878,
3055
]
} | 4,572 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | Context | contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
} | _msgSender | function _msgSender() internal view returns (address payable) {
return msg.sender;
}
| // solhint-disable-previous-line no-empty-blocks | LineComment | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
265,
368
]
} | 4,573 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TRC20 | interface TRC20 {
/**
* @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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/ | NatSpecMultiLine | totalSupply | function totalSupply() external view returns (uint256);
| /**
* @dev Returns the amount of tokens in existence.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
93,
153
]
} | 4,574 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TRC20 | interface TRC20 {
/**
* @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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address account) external view returns (uint256);
| /**
* @dev Returns the amount of tokens owned by `account`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
236,
309
]
} | 4,575 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TRC20 | interface TRC20 {
/**
* @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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/ | NatSpecMultiLine | 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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
533,
615
]
} | 4,576 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TRC20 | interface TRC20 {
/**
* @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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/ | NatSpecMultiLine | 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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
894,
982
]
} | 4,577 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TRC20 | interface TRC20 {
/**
* @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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/ | NatSpecMultiLine | 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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
1646,
1725
]
} | 4,578 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TRC20 | interface TRC20 {
/**
* @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);
} | /**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/ | NatSpecMultiLine | 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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
2038,
2140
]
} | 4,579 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | 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.
*
* _Available since v2.4.0._
*/
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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
251,
437
]
} | 4,580 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | 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.
*
* _Available since v2.4.0._
*/
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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
707,
848
]
} | 4,581 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | 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.
*
* _Available since v2.4.0._
*/
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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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.
*
* _Available since v2.4.0._
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
1180,
1377
]
} | 4,582 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | 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.
*
* _Available since v2.4.0._
*/
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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
1623,
2099
]
} | 4,583 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | 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.
*
* _Available since v2.4.0._
*/
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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
2562,
2699
]
} | 4,584 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | 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.
*
* _Available since v2.4.0._
*/
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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | div | function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
3224,
3574
]
} | 4,585 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | 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.
*
* _Available since v2.4.0._
*/
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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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 | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
4026,
4161
]
} | 4,586 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | 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.
*
* _Available since v2.4.0._
*/
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.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/ | NatSpecMultiLine | 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.
*
* _Available since v2.4.0._
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
4675,
4846
]
} | 4,587 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | totalSupply | function totalSupply() public view returns (uint256) {
return _totalSupply;
}
| /**
* @dev See {TRC20-totalSupply}.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
470,
566
]
} | 4,588 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
| /**
* @dev See {TRC20-balanceOf}.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
623,
738
]
} | 4,589 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | transfer | function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
| /**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
945,
1108
]
} | 4,590 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | allowance | function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
| /**
* @dev See {TRC20-allowance}.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
1165,
1304
]
} | 4,591 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | approve | function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
| /**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
1445,
1602
]
} | 4,592 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | transferFrom | function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
| /**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
2068,
2377
]
} | 4,593 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | increaseAllowance | function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
| /**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
2780,
2995
]
} | 4,594 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | decreaseAllowance | function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
| /**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
3492,
3758
]
} | 4,595 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | _transfer | function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
| /**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
4243,
4719
]
} | 4,596 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | _mint | function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
| /** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
4995,
5308
]
} | 4,597 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | burn | function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
| /**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
5440,
5611
]
} | 4,598 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | _burn | function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
| /**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
5939,
6292
]
} | 4,599 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | _approve | function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
| /**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
6727,
7070
]
} | 4,600 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | ERC20 | contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | /**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/ | NatSpecMultiLine | _burnFrom | function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
| /**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
7251,
7488
]
} | 4,601 |
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | GlobalsAndUtility | contract GlobalsAndUtility is ERC20 {
/* XfLobbyEnter
*/
event XfLobbyEnter(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed rawAmount
);
/* XfLobbyExit
*/
event XfLobbyExit(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed xfAmount,
address indexed referrerAddr
);
/* DailyDataUpdate
*/
event DailyDataUpdate(
address indexed updaterAddr,
uint256 timestamp,
uint256 beginDay,
uint256 endDay
);
/* StakeStart
*/
event StakeStart(
uint40 indexed stakeId,
address indexed stakerAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 stakedDays
);
/* StakeGoodAccounting
*/
event StakeGoodAccounting(
uint40 indexed stakeId,
address indexed stakerAddr,
address indexed senderAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 payout,
uint256 penalty
);
/* StakeEnd
*/
event StakeEnd(
uint40 indexed stakeId,
uint40 prevUnlocked,
address indexed stakerAddr,
uint256 lockedDay,
uint256 servedDays,
uint256 stakedGuns,
uint256 stakeShares,
uint256 dividends,
uint256 payout,
uint256 penalty,
uint256 stakeReturn
);
/* ShareRateChange
*/
event ShareRateChange(
uint40 indexed stakeId,
uint256 timestamp,
uint256 newShareRate
);
/* CSN allocation share address
* Used for 5% drip into CSN auction
* 95% of the first 2 days public auction will be redistributed over the next 30 days to balance auction lobby healthy.
*/
address payable internal constant FLUSH_ADDR = 0xcE3D57d817dC3B83899907BFec99C7EF2E2AF35d;
uint8 internal LAST_FLUSHED_DAY = 1;
/* ERC20 constants */
string public constant name = "Community Staking Network in ETH";
string public constant symbol = "CSNE";
uint8 public constant decimals = 8;
/* Suns per Satoshi = 10,000 * 1e8 / 1e8 = 1e4 */
uint256 private constant SUNS_PER_DIV = 10 ** uint256(decimals); // 1e8
/* Time of contract launch (Dec 7th, 00:00:00 UTC, Auction Day 1 Starts Dec 8th, 00:00:00 UTC) */
uint256 internal constant LAUNCH_TIME = 1607299200;
/* Start of claim phase */
uint256 internal constant PRE_CLAIM_DAYS = 1;
/* reduce amount of tokens to 2500000 */
uint256 internal constant CLAIM_STARTING_AMOUNT = 2500000 * (10 ** 8);
/* reduce amount of tokens to 1000000 */
uint256 internal constant CLAIM_LOWEST_AMOUNT = 1000000 * (10 ** 8);
uint256 internal constant CLAIM_PHASE_START_DAY = PRE_CLAIM_DAYS;
/* Number of words to hold 1 bit for each transform lobby day */
uint256 internal constant XF_LOBBY_DAY_WORDS = ((1 + (50 * 7)) + 255) >> 8;
/* Stake timing parameters */
uint256 internal constant MIN_STAKE_DAYS = 1;
uint256 internal constant MAX_STAKE_DAYS = 30; //1 month
uint256 internal constant EARLY_PENALTY_MIN_DAYS = 90;
uint256 private constant LATE_PENALTY_GRACE_WEEKS = 2;
uint256 internal constant LATE_PENALTY_GRACE_DAYS = LATE_PENALTY_GRACE_WEEKS * 7;
uint256 private constant LATE_PENALTY_SCALE_WEEKS = 100;
uint256 internal constant LATE_PENALTY_SCALE_DAYS = LATE_PENALTY_SCALE_WEEKS * 7;
/* Stake shares Longer Pays Better bonus constants used by _stakeStartBonusGuns() */
uint256 private constant LPB_BONUS_PERCENT = 20;
uint256 private constant LPB_BONUS_MAX_PERCENT = 200;
uint256 internal constant LPB = 364 * 100 / LPB_BONUS_PERCENT;
uint256 internal constant LPB_MAX_DAYS = LPB * LPB_BONUS_MAX_PERCENT / 100;
uint256 private constant BPB_BONUS_PERCENT = 10;
uint256 private constant BPB_MAX_DIV = 7 * 1e6;
uint256 internal constant BPB_MAX_SUNS = BPB_MAX_DIV * SUNS_PER_DIV;
uint256 internal constant BPB = BPB_MAX_SUNS * 100 / BPB_BONUS_PERCENT;
/* Share rate is scaled to increase precision */
uint256 internal constant SHARE_RATE_SCALE = 1e5;
/* Share rate max (after scaling) */
uint256 internal constant SHARE_RATE_UINT_SIZE = 40;
uint256 internal constant SHARE_RATE_MAX = (1 << SHARE_RATE_UINT_SIZE) - 1;
/* weekly staking bonus */
uint8 internal constant BONUS_DAY_SCALE = 2;
/* Globals expanded for memory (except _latestStakeId) and compact for storage */
struct GlobalsCache {
uint256 _lockedSunsTotal;
uint256 _nextStakeSharesTotal;
uint256 _shareRate;
uint256 _stakePenaltyTotal;
uint256 _dailyDataCount;
uint256 _stakeSharesTotal;
uint40 _latestStakeId;
uint256 _currentDay;
}
struct GlobalsStore {
uint72 lockedSunsTotal;
uint72 nextStakeSharesTotal;
uint40 shareRate;
uint72 stakePenaltyTotal;
uint16 dailyDataCount;
uint72 stakeSharesTotal;
uint40 latestStakeId;
}
GlobalsStore public globals;
/* Daily data */
struct DailyDataStore {
uint72 dayPayoutTotal;
uint256 dayDividends;
uint72 dayStakeSharesTotal;
}
mapping(uint256 => DailyDataStore) public dailyData;
/* Stake expanded for memory (except _stakeId) and compact for storage */
struct StakeCache {
uint40 _stakeId;
uint256 _stakedSuns;
uint256 _stakeShares;
uint256 _lockedDay;
uint256 _stakedDays;
uint256 _unlockedDay;
}
struct StakeStore {
uint40 stakeId;
uint72 stakedSuns;
uint72 stakeShares;
uint16 lockedDay;
uint16 stakedDays;
uint16 unlockedDay;
}
mapping(address => StakeStore[]) public stakeLists;
/* Temporary state for calculating daily rounds */
struct DailyRoundState {
uint256 _allocSupplyCached;
uint256 _payoutTotal;
}
struct XfLobbyEntryStore {
uint96 rawAmount;
address referrerAddr;
}
struct XfLobbyQueueStore {
uint40 headIndex;
uint40 tailIndex;
mapping(uint256 => XfLobbyEntryStore) entries;
}
mapping(uint256 => uint256) public xfLobby;
mapping(uint256 => mapping(address => XfLobbyQueueStore)) public xfLobbyMembers;
/**
* @dev PUBLIC FACING: Optionally update daily data for a smaller
* range to reduce gas cost for a subsequent operation
* @param beforeDay Only update days before this day number (optional; 0 for current day)
*/
function dailyDataUpdate(uint256 beforeDay)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* Skip pre-claim period */
require(g._currentDay > CLAIM_PHASE_START_DAY, "CSNE: Too early");
if (beforeDay != 0) {
require(beforeDay <= g._currentDay, "CSNE: beforeDay cannot be in the future");
_dailyDataUpdate(g, beforeDay, false);
} else {
/* Default to updating before current day */
_dailyDataUpdate(g, g._currentDay, false);
}
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: External helper to return multiple values of daily data with
* a single call.
* @param endDay Last day (non-inclusive) of data range
* @param beginDay First day of data range
* @return array of day stake shares total
* @return array of day payout total
*/
function dailyDataRange(uint256 beginDay, uint256 endDay)
external
view
returns (uint256[] memory _dayStakeSharesTotal, uint256[] memory _dayPayoutTotal, uint256[] memory _dayDividends)
{
require(beginDay < endDay && endDay <= globals.dailyDataCount, "CSNE: range invalid");
_dayStakeSharesTotal = new uint256[](endDay - beginDay);
_dayPayoutTotal = new uint256[](endDay - beginDay);
_dayDividends = new uint256[](endDay - beginDay);
uint256 src = beginDay;
uint256 dst = 0;
do {
_dayStakeSharesTotal[dst] = uint256(dailyData[src].dayStakeSharesTotal);
_dayPayoutTotal[dst++] = uint256(dailyData[src].dayPayoutTotal);
_dayDividends[dst++] = dailyData[src].dayDividends;
} while (++src < endDay);
return (_dayStakeSharesTotal, _dayPayoutTotal, _dayDividends);
}
/**
* @dev PUBLIC FACING: External helper to return most global info with a single call.
* Ugly implementation due to limitations of the standard ABI encoder.
* @return Fixed array of values
*/
function globalInfo()
external
view
returns (uint256[10] memory)
{
return [
globals.lockedSunsTotal,
globals.nextStakeSharesTotal,
globals.shareRate,
globals.stakePenaltyTotal,
globals.dailyDataCount,
globals.stakeSharesTotal,
globals.latestStakeId,
block.timestamp,
totalSupply(),
xfLobby[_currentDay()]
];
}
/**
* @dev PUBLIC FACING: ERC20 totalSupply() is the circulating supply and does not include any
* staked Suns. allocatedSupply() includes both.
* @return Allocated Supply in Suns
*/
function allocatedSupply()
external
view
returns (uint256)
{
return totalSupply() + globals.lockedSunsTotal;
}
/**
* @dev PUBLIC FACING: External helper for the current day number since launch time
* @return Current day number (zero-based)
*/
function currentDay()
external
view
returns (uint256)
{
return _currentDay();
}
function _currentDay()
internal
view
returns (uint256)
{
if (block.timestamp < LAUNCH_TIME){
return 0;
}else{
return (block.timestamp - LAUNCH_TIME) / 1 days;
}
}
function _dailyDataUpdateAuto(GlobalsCache memory g)
internal
{
_dailyDataUpdate(g, g._currentDay, true);
}
function _globalsLoad(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
view
{
g._lockedSunsTotal = globals.lockedSunsTotal;
g._nextStakeSharesTotal = globals.nextStakeSharesTotal;
g._shareRate = globals.shareRate;
g._stakePenaltyTotal = globals.stakePenaltyTotal;
g._dailyDataCount = globals.dailyDataCount;
g._stakeSharesTotal = globals.stakeSharesTotal;
g._latestStakeId = globals.latestStakeId;
g._currentDay = _currentDay();
_globalsCacheSnapshot(g, gSnapshot);
}
function _globalsCacheSnapshot(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
pure
{
gSnapshot._lockedSunsTotal = g._lockedSunsTotal;
gSnapshot._nextStakeSharesTotal = g._nextStakeSharesTotal;
gSnapshot._shareRate = g._shareRate;
gSnapshot._stakePenaltyTotal = g._stakePenaltyTotal;
gSnapshot._dailyDataCount = g._dailyDataCount;
gSnapshot._stakeSharesTotal = g._stakeSharesTotal;
gSnapshot._latestStakeId = g._latestStakeId;
}
function _globalsSync(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
{
if (g._lockedSunsTotal != gSnapshot._lockedSunsTotal
|| g._nextStakeSharesTotal != gSnapshot._nextStakeSharesTotal
|| g._shareRate != gSnapshot._shareRate
|| g._stakePenaltyTotal != gSnapshot._stakePenaltyTotal) {
globals.lockedSunsTotal = uint72(g._lockedSunsTotal);
globals.nextStakeSharesTotal = uint72(g._nextStakeSharesTotal);
globals.shareRate = uint40(g._shareRate);
globals.stakePenaltyTotal = uint72(g._stakePenaltyTotal);
}
if (g._dailyDataCount != gSnapshot._dailyDataCount
|| g._stakeSharesTotal != gSnapshot._stakeSharesTotal
|| g._latestStakeId != gSnapshot._latestStakeId) {
globals.dailyDataCount = uint16(g._dailyDataCount);
globals.stakeSharesTotal = uint72(g._stakeSharesTotal);
globals.latestStakeId = g._latestStakeId;
}
}
function _stakeLoad(StakeStore storage stRef, uint40 stakeIdParam, StakeCache memory st)
internal
view
{
/* Ensure caller's stakeIndex is still current */
require(stakeIdParam == stRef.stakeId, "CSNE: stakeIdParam not in stake");
st._stakeId = stRef.stakeId;
st._stakedSuns = stRef.stakedSuns;
st._stakeShares = stRef.stakeShares;
st._lockedDay = stRef.lockedDay;
st._stakedDays = stRef.stakedDays;
st._unlockedDay = stRef.unlockedDay;
}
function _stakeUpdate(StakeStore storage stRef, StakeCache memory st)
internal
{
stRef.stakeId = st._stakeId;
stRef.stakedSuns = uint72(st._stakedSuns);
stRef.stakeShares = uint72(st._stakeShares);
stRef.lockedDay = uint16(st._lockedDay);
stRef.stakedDays = uint16(st._stakedDays);
stRef.unlockedDay = uint16(st._unlockedDay);
}
function _stakeAdd(
StakeStore[] storage stakeListRef,
uint40 newStakeId,
uint256 newStakedSuns,
uint256 newStakeShares,
uint256 newLockedDay,
uint256 newStakedDays
)
internal
{
stakeListRef.push(
StakeStore(
newStakeId,
uint72(newStakedSuns),
uint72(newStakeShares),
uint16(newLockedDay),
uint16(newStakedDays),
uint16(0) // unlockedDay
)
);
}
/**
* @dev Efficiently delete from an unordered array by moving the last element
* to the "hole" and reducing the array length. Can change the order of the list
* and invalidate previously held indexes.
* @notice stakeListRef length and stakeIndex are already ensured valid in stakeEnd()
* @param stakeListRef Reference to stakeLists[stakerAddr] array in storage
* @param stakeIndex Index of the element to delete
*/
function _stakeRemove(StakeStore[] storage stakeListRef, uint256 stakeIndex)
internal
{
uint256 lastIndex = stakeListRef.length - 1;
/* Skip the copy if element to be removed is already the last element */
if (stakeIndex != lastIndex) {
/* Copy last element to the requested element's "hole" */
stakeListRef[stakeIndex] = stakeListRef[lastIndex];
}
/*
Reduce the array length now that the array is contiguous.
Surprisingly, 'pop()' uses less gas than 'stakeListRef.length = lastIndex'
*/
stakeListRef.pop();
}
/**
* @dev Estimate the stake payout for an incomplete day
* @param g Cache of stored globals
* @param stakeSharesParam Param from stake to calculate bonuses for
* @param day Day to calculate bonuses for
* @return Payout in Suns
*/
function _estimatePayoutRewardsDay(GlobalsCache memory g, uint256 stakeSharesParam, uint256 day)
internal
view
returns (uint256 payout)
{
/* Prevent updating state for this estimation */
GlobalsCache memory gTmp;
_globalsCacheSnapshot(g, gTmp);
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
_dailyRoundCalc(gTmp, rs, day);
/* Stake is no longer locked so it must be added to total as if it were */
gTmp._stakeSharesTotal += stakeSharesParam;
payout = rs._payoutTotal * stakeSharesParam / gTmp._stakeSharesTotal;
return payout;
}
function _dailyRoundCalc(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
view
{
rs._payoutTotal = (rs._allocSupplyCached * 50000 / 68854153);
if (g._stakePenaltyTotal != 0) {
rs._payoutTotal += g._stakePenaltyTotal;
g._stakePenaltyTotal = 0;
}
}
function _dailyRoundCalcAndStore(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
{
_dailyRoundCalc(g, rs, day);
dailyData[day].dayPayoutTotal = uint72(rs._payoutTotal);
dailyData[day].dayDividends = xfLobby[day];
dailyData[day].dayStakeSharesTotal = uint72(g._stakeSharesTotal);
}
function _dailyDataUpdate(GlobalsCache memory g, uint256 beforeDay, bool isAutoUpdate)
private
{
if (g._dailyDataCount >= beforeDay) {
/* Already up-to-date */
return;
}
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
uint256 day = g._dailyDataCount;
_dailyRoundCalcAndStore(g, rs, day);
/* Stakes started during this day are added to the total the next day */
if (g._nextStakeSharesTotal != 0) {
g._stakeSharesTotal += g._nextStakeSharesTotal;
g._nextStakeSharesTotal = 0;
}
while (++day < beforeDay) {
_dailyRoundCalcAndStore(g, rs, day);
}
emit DailyDataUpdate(
msg.sender,
block.timestamp,
g._dailyDataCount,
day
);
g._dailyDataCount = day;
}
} | dailyDataUpdate | function dailyDataUpdate(uint256 beforeDay)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* Skip pre-claim period */
require(g._currentDay > CLAIM_PHASE_START_DAY, "CSNE: Too early");
if (beforeDay != 0) {
require(beforeDay <= g._currentDay, "CSNE: beforeDay cannot be in the future");
_dailyDataUpdate(g, beforeDay, false);
} else {
/* Default to updating before current day */
_dailyDataUpdate(g, g._currentDay, false);
}
_globalsSync(g, gSnapshot);
}
| /**
* @dev PUBLIC FACING: Optionally update daily data for a smaller
* range to reduce gas cost for a subsequent operation
* @param beforeDay Only update days before this day number (optional; 0 for current day)
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
6897,
7572
]
} | 4,602 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | GlobalsAndUtility | contract GlobalsAndUtility is ERC20 {
/* XfLobbyEnter
*/
event XfLobbyEnter(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed rawAmount
);
/* XfLobbyExit
*/
event XfLobbyExit(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed xfAmount,
address indexed referrerAddr
);
/* DailyDataUpdate
*/
event DailyDataUpdate(
address indexed updaterAddr,
uint256 timestamp,
uint256 beginDay,
uint256 endDay
);
/* StakeStart
*/
event StakeStart(
uint40 indexed stakeId,
address indexed stakerAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 stakedDays
);
/* StakeGoodAccounting
*/
event StakeGoodAccounting(
uint40 indexed stakeId,
address indexed stakerAddr,
address indexed senderAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 payout,
uint256 penalty
);
/* StakeEnd
*/
event StakeEnd(
uint40 indexed stakeId,
uint40 prevUnlocked,
address indexed stakerAddr,
uint256 lockedDay,
uint256 servedDays,
uint256 stakedGuns,
uint256 stakeShares,
uint256 dividends,
uint256 payout,
uint256 penalty,
uint256 stakeReturn
);
/* ShareRateChange
*/
event ShareRateChange(
uint40 indexed stakeId,
uint256 timestamp,
uint256 newShareRate
);
/* CSN allocation share address
* Used for 5% drip into CSN auction
* 95% of the first 2 days public auction will be redistributed over the next 30 days to balance auction lobby healthy.
*/
address payable internal constant FLUSH_ADDR = 0xcE3D57d817dC3B83899907BFec99C7EF2E2AF35d;
uint8 internal LAST_FLUSHED_DAY = 1;
/* ERC20 constants */
string public constant name = "Community Staking Network in ETH";
string public constant symbol = "CSNE";
uint8 public constant decimals = 8;
/* Suns per Satoshi = 10,000 * 1e8 / 1e8 = 1e4 */
uint256 private constant SUNS_PER_DIV = 10 ** uint256(decimals); // 1e8
/* Time of contract launch (Dec 7th, 00:00:00 UTC, Auction Day 1 Starts Dec 8th, 00:00:00 UTC) */
uint256 internal constant LAUNCH_TIME = 1607299200;
/* Start of claim phase */
uint256 internal constant PRE_CLAIM_DAYS = 1;
/* reduce amount of tokens to 2500000 */
uint256 internal constant CLAIM_STARTING_AMOUNT = 2500000 * (10 ** 8);
/* reduce amount of tokens to 1000000 */
uint256 internal constant CLAIM_LOWEST_AMOUNT = 1000000 * (10 ** 8);
uint256 internal constant CLAIM_PHASE_START_DAY = PRE_CLAIM_DAYS;
/* Number of words to hold 1 bit for each transform lobby day */
uint256 internal constant XF_LOBBY_DAY_WORDS = ((1 + (50 * 7)) + 255) >> 8;
/* Stake timing parameters */
uint256 internal constant MIN_STAKE_DAYS = 1;
uint256 internal constant MAX_STAKE_DAYS = 30; //1 month
uint256 internal constant EARLY_PENALTY_MIN_DAYS = 90;
uint256 private constant LATE_PENALTY_GRACE_WEEKS = 2;
uint256 internal constant LATE_PENALTY_GRACE_DAYS = LATE_PENALTY_GRACE_WEEKS * 7;
uint256 private constant LATE_PENALTY_SCALE_WEEKS = 100;
uint256 internal constant LATE_PENALTY_SCALE_DAYS = LATE_PENALTY_SCALE_WEEKS * 7;
/* Stake shares Longer Pays Better bonus constants used by _stakeStartBonusGuns() */
uint256 private constant LPB_BONUS_PERCENT = 20;
uint256 private constant LPB_BONUS_MAX_PERCENT = 200;
uint256 internal constant LPB = 364 * 100 / LPB_BONUS_PERCENT;
uint256 internal constant LPB_MAX_DAYS = LPB * LPB_BONUS_MAX_PERCENT / 100;
uint256 private constant BPB_BONUS_PERCENT = 10;
uint256 private constant BPB_MAX_DIV = 7 * 1e6;
uint256 internal constant BPB_MAX_SUNS = BPB_MAX_DIV * SUNS_PER_DIV;
uint256 internal constant BPB = BPB_MAX_SUNS * 100 / BPB_BONUS_PERCENT;
/* Share rate is scaled to increase precision */
uint256 internal constant SHARE_RATE_SCALE = 1e5;
/* Share rate max (after scaling) */
uint256 internal constant SHARE_RATE_UINT_SIZE = 40;
uint256 internal constant SHARE_RATE_MAX = (1 << SHARE_RATE_UINT_SIZE) - 1;
/* weekly staking bonus */
uint8 internal constant BONUS_DAY_SCALE = 2;
/* Globals expanded for memory (except _latestStakeId) and compact for storage */
struct GlobalsCache {
uint256 _lockedSunsTotal;
uint256 _nextStakeSharesTotal;
uint256 _shareRate;
uint256 _stakePenaltyTotal;
uint256 _dailyDataCount;
uint256 _stakeSharesTotal;
uint40 _latestStakeId;
uint256 _currentDay;
}
struct GlobalsStore {
uint72 lockedSunsTotal;
uint72 nextStakeSharesTotal;
uint40 shareRate;
uint72 stakePenaltyTotal;
uint16 dailyDataCount;
uint72 stakeSharesTotal;
uint40 latestStakeId;
}
GlobalsStore public globals;
/* Daily data */
struct DailyDataStore {
uint72 dayPayoutTotal;
uint256 dayDividends;
uint72 dayStakeSharesTotal;
}
mapping(uint256 => DailyDataStore) public dailyData;
/* Stake expanded for memory (except _stakeId) and compact for storage */
struct StakeCache {
uint40 _stakeId;
uint256 _stakedSuns;
uint256 _stakeShares;
uint256 _lockedDay;
uint256 _stakedDays;
uint256 _unlockedDay;
}
struct StakeStore {
uint40 stakeId;
uint72 stakedSuns;
uint72 stakeShares;
uint16 lockedDay;
uint16 stakedDays;
uint16 unlockedDay;
}
mapping(address => StakeStore[]) public stakeLists;
/* Temporary state for calculating daily rounds */
struct DailyRoundState {
uint256 _allocSupplyCached;
uint256 _payoutTotal;
}
struct XfLobbyEntryStore {
uint96 rawAmount;
address referrerAddr;
}
struct XfLobbyQueueStore {
uint40 headIndex;
uint40 tailIndex;
mapping(uint256 => XfLobbyEntryStore) entries;
}
mapping(uint256 => uint256) public xfLobby;
mapping(uint256 => mapping(address => XfLobbyQueueStore)) public xfLobbyMembers;
/**
* @dev PUBLIC FACING: Optionally update daily data for a smaller
* range to reduce gas cost for a subsequent operation
* @param beforeDay Only update days before this day number (optional; 0 for current day)
*/
function dailyDataUpdate(uint256 beforeDay)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* Skip pre-claim period */
require(g._currentDay > CLAIM_PHASE_START_DAY, "CSNE: Too early");
if (beforeDay != 0) {
require(beforeDay <= g._currentDay, "CSNE: beforeDay cannot be in the future");
_dailyDataUpdate(g, beforeDay, false);
} else {
/* Default to updating before current day */
_dailyDataUpdate(g, g._currentDay, false);
}
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: External helper to return multiple values of daily data with
* a single call.
* @param endDay Last day (non-inclusive) of data range
* @param beginDay First day of data range
* @return array of day stake shares total
* @return array of day payout total
*/
function dailyDataRange(uint256 beginDay, uint256 endDay)
external
view
returns (uint256[] memory _dayStakeSharesTotal, uint256[] memory _dayPayoutTotal, uint256[] memory _dayDividends)
{
require(beginDay < endDay && endDay <= globals.dailyDataCount, "CSNE: range invalid");
_dayStakeSharesTotal = new uint256[](endDay - beginDay);
_dayPayoutTotal = new uint256[](endDay - beginDay);
_dayDividends = new uint256[](endDay - beginDay);
uint256 src = beginDay;
uint256 dst = 0;
do {
_dayStakeSharesTotal[dst] = uint256(dailyData[src].dayStakeSharesTotal);
_dayPayoutTotal[dst++] = uint256(dailyData[src].dayPayoutTotal);
_dayDividends[dst++] = dailyData[src].dayDividends;
} while (++src < endDay);
return (_dayStakeSharesTotal, _dayPayoutTotal, _dayDividends);
}
/**
* @dev PUBLIC FACING: External helper to return most global info with a single call.
* Ugly implementation due to limitations of the standard ABI encoder.
* @return Fixed array of values
*/
function globalInfo()
external
view
returns (uint256[10] memory)
{
return [
globals.lockedSunsTotal,
globals.nextStakeSharesTotal,
globals.shareRate,
globals.stakePenaltyTotal,
globals.dailyDataCount,
globals.stakeSharesTotal,
globals.latestStakeId,
block.timestamp,
totalSupply(),
xfLobby[_currentDay()]
];
}
/**
* @dev PUBLIC FACING: ERC20 totalSupply() is the circulating supply and does not include any
* staked Suns. allocatedSupply() includes both.
* @return Allocated Supply in Suns
*/
function allocatedSupply()
external
view
returns (uint256)
{
return totalSupply() + globals.lockedSunsTotal;
}
/**
* @dev PUBLIC FACING: External helper for the current day number since launch time
* @return Current day number (zero-based)
*/
function currentDay()
external
view
returns (uint256)
{
return _currentDay();
}
function _currentDay()
internal
view
returns (uint256)
{
if (block.timestamp < LAUNCH_TIME){
return 0;
}else{
return (block.timestamp - LAUNCH_TIME) / 1 days;
}
}
function _dailyDataUpdateAuto(GlobalsCache memory g)
internal
{
_dailyDataUpdate(g, g._currentDay, true);
}
function _globalsLoad(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
view
{
g._lockedSunsTotal = globals.lockedSunsTotal;
g._nextStakeSharesTotal = globals.nextStakeSharesTotal;
g._shareRate = globals.shareRate;
g._stakePenaltyTotal = globals.stakePenaltyTotal;
g._dailyDataCount = globals.dailyDataCount;
g._stakeSharesTotal = globals.stakeSharesTotal;
g._latestStakeId = globals.latestStakeId;
g._currentDay = _currentDay();
_globalsCacheSnapshot(g, gSnapshot);
}
function _globalsCacheSnapshot(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
pure
{
gSnapshot._lockedSunsTotal = g._lockedSunsTotal;
gSnapshot._nextStakeSharesTotal = g._nextStakeSharesTotal;
gSnapshot._shareRate = g._shareRate;
gSnapshot._stakePenaltyTotal = g._stakePenaltyTotal;
gSnapshot._dailyDataCount = g._dailyDataCount;
gSnapshot._stakeSharesTotal = g._stakeSharesTotal;
gSnapshot._latestStakeId = g._latestStakeId;
}
function _globalsSync(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
{
if (g._lockedSunsTotal != gSnapshot._lockedSunsTotal
|| g._nextStakeSharesTotal != gSnapshot._nextStakeSharesTotal
|| g._shareRate != gSnapshot._shareRate
|| g._stakePenaltyTotal != gSnapshot._stakePenaltyTotal) {
globals.lockedSunsTotal = uint72(g._lockedSunsTotal);
globals.nextStakeSharesTotal = uint72(g._nextStakeSharesTotal);
globals.shareRate = uint40(g._shareRate);
globals.stakePenaltyTotal = uint72(g._stakePenaltyTotal);
}
if (g._dailyDataCount != gSnapshot._dailyDataCount
|| g._stakeSharesTotal != gSnapshot._stakeSharesTotal
|| g._latestStakeId != gSnapshot._latestStakeId) {
globals.dailyDataCount = uint16(g._dailyDataCount);
globals.stakeSharesTotal = uint72(g._stakeSharesTotal);
globals.latestStakeId = g._latestStakeId;
}
}
function _stakeLoad(StakeStore storage stRef, uint40 stakeIdParam, StakeCache memory st)
internal
view
{
/* Ensure caller's stakeIndex is still current */
require(stakeIdParam == stRef.stakeId, "CSNE: stakeIdParam not in stake");
st._stakeId = stRef.stakeId;
st._stakedSuns = stRef.stakedSuns;
st._stakeShares = stRef.stakeShares;
st._lockedDay = stRef.lockedDay;
st._stakedDays = stRef.stakedDays;
st._unlockedDay = stRef.unlockedDay;
}
function _stakeUpdate(StakeStore storage stRef, StakeCache memory st)
internal
{
stRef.stakeId = st._stakeId;
stRef.stakedSuns = uint72(st._stakedSuns);
stRef.stakeShares = uint72(st._stakeShares);
stRef.lockedDay = uint16(st._lockedDay);
stRef.stakedDays = uint16(st._stakedDays);
stRef.unlockedDay = uint16(st._unlockedDay);
}
function _stakeAdd(
StakeStore[] storage stakeListRef,
uint40 newStakeId,
uint256 newStakedSuns,
uint256 newStakeShares,
uint256 newLockedDay,
uint256 newStakedDays
)
internal
{
stakeListRef.push(
StakeStore(
newStakeId,
uint72(newStakedSuns),
uint72(newStakeShares),
uint16(newLockedDay),
uint16(newStakedDays),
uint16(0) // unlockedDay
)
);
}
/**
* @dev Efficiently delete from an unordered array by moving the last element
* to the "hole" and reducing the array length. Can change the order of the list
* and invalidate previously held indexes.
* @notice stakeListRef length and stakeIndex are already ensured valid in stakeEnd()
* @param stakeListRef Reference to stakeLists[stakerAddr] array in storage
* @param stakeIndex Index of the element to delete
*/
function _stakeRemove(StakeStore[] storage stakeListRef, uint256 stakeIndex)
internal
{
uint256 lastIndex = stakeListRef.length - 1;
/* Skip the copy if element to be removed is already the last element */
if (stakeIndex != lastIndex) {
/* Copy last element to the requested element's "hole" */
stakeListRef[stakeIndex] = stakeListRef[lastIndex];
}
/*
Reduce the array length now that the array is contiguous.
Surprisingly, 'pop()' uses less gas than 'stakeListRef.length = lastIndex'
*/
stakeListRef.pop();
}
/**
* @dev Estimate the stake payout for an incomplete day
* @param g Cache of stored globals
* @param stakeSharesParam Param from stake to calculate bonuses for
* @param day Day to calculate bonuses for
* @return Payout in Suns
*/
function _estimatePayoutRewardsDay(GlobalsCache memory g, uint256 stakeSharesParam, uint256 day)
internal
view
returns (uint256 payout)
{
/* Prevent updating state for this estimation */
GlobalsCache memory gTmp;
_globalsCacheSnapshot(g, gTmp);
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
_dailyRoundCalc(gTmp, rs, day);
/* Stake is no longer locked so it must be added to total as if it were */
gTmp._stakeSharesTotal += stakeSharesParam;
payout = rs._payoutTotal * stakeSharesParam / gTmp._stakeSharesTotal;
return payout;
}
function _dailyRoundCalc(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
view
{
rs._payoutTotal = (rs._allocSupplyCached * 50000 / 68854153);
if (g._stakePenaltyTotal != 0) {
rs._payoutTotal += g._stakePenaltyTotal;
g._stakePenaltyTotal = 0;
}
}
function _dailyRoundCalcAndStore(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
{
_dailyRoundCalc(g, rs, day);
dailyData[day].dayPayoutTotal = uint72(rs._payoutTotal);
dailyData[day].dayDividends = xfLobby[day];
dailyData[day].dayStakeSharesTotal = uint72(g._stakeSharesTotal);
}
function _dailyDataUpdate(GlobalsCache memory g, uint256 beforeDay, bool isAutoUpdate)
private
{
if (g._dailyDataCount >= beforeDay) {
/* Already up-to-date */
return;
}
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
uint256 day = g._dailyDataCount;
_dailyRoundCalcAndStore(g, rs, day);
/* Stakes started during this day are added to the total the next day */
if (g._nextStakeSharesTotal != 0) {
g._stakeSharesTotal += g._nextStakeSharesTotal;
g._nextStakeSharesTotal = 0;
}
while (++day < beforeDay) {
_dailyRoundCalcAndStore(g, rs, day);
}
emit DailyDataUpdate(
msg.sender,
block.timestamp,
g._dailyDataCount,
day
);
g._dailyDataCount = day;
}
} | dailyDataRange | function dailyDataRange(uint256 beginDay, uint256 endDay)
external
view
returns (uint256[] memory _dayStakeSharesTotal, uint256[] memory _dayPayoutTotal, uint256[] memory _dayDividends)
{
require(beginDay < endDay && endDay <= globals.dailyDataCount, "CSNE: range invalid");
_dayStakeSharesTotal = new uint256[](endDay - beginDay);
_dayPayoutTotal = new uint256[](endDay - beginDay);
_dayDividends = new uint256[](endDay - beginDay);
uint256 src = beginDay;
uint256 dst = 0;
do {
_dayStakeSharesTotal[dst] = uint256(dailyData[src].dayStakeSharesTotal);
_dayPayoutTotal[dst++] = uint256(dailyData[src].dayPayoutTotal);
_dayDividends[dst++] = dailyData[src].dayDividends;
} while (++src < endDay);
return (_dayStakeSharesTotal, _dayPayoutTotal, _dayDividends);
}
| /**
* @dev PUBLIC FACING: External helper to return multiple values of daily data with
* a single call.
* @param endDay Last day (non-inclusive) of data range
* @param beginDay First day of data range
* @return array of day stake shares total
* @return array of day payout total
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
7910,
8850
]
} | 4,603 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | GlobalsAndUtility | contract GlobalsAndUtility is ERC20 {
/* XfLobbyEnter
*/
event XfLobbyEnter(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed rawAmount
);
/* XfLobbyExit
*/
event XfLobbyExit(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed xfAmount,
address indexed referrerAddr
);
/* DailyDataUpdate
*/
event DailyDataUpdate(
address indexed updaterAddr,
uint256 timestamp,
uint256 beginDay,
uint256 endDay
);
/* StakeStart
*/
event StakeStart(
uint40 indexed stakeId,
address indexed stakerAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 stakedDays
);
/* StakeGoodAccounting
*/
event StakeGoodAccounting(
uint40 indexed stakeId,
address indexed stakerAddr,
address indexed senderAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 payout,
uint256 penalty
);
/* StakeEnd
*/
event StakeEnd(
uint40 indexed stakeId,
uint40 prevUnlocked,
address indexed stakerAddr,
uint256 lockedDay,
uint256 servedDays,
uint256 stakedGuns,
uint256 stakeShares,
uint256 dividends,
uint256 payout,
uint256 penalty,
uint256 stakeReturn
);
/* ShareRateChange
*/
event ShareRateChange(
uint40 indexed stakeId,
uint256 timestamp,
uint256 newShareRate
);
/* CSN allocation share address
* Used for 5% drip into CSN auction
* 95% of the first 2 days public auction will be redistributed over the next 30 days to balance auction lobby healthy.
*/
address payable internal constant FLUSH_ADDR = 0xcE3D57d817dC3B83899907BFec99C7EF2E2AF35d;
uint8 internal LAST_FLUSHED_DAY = 1;
/* ERC20 constants */
string public constant name = "Community Staking Network in ETH";
string public constant symbol = "CSNE";
uint8 public constant decimals = 8;
/* Suns per Satoshi = 10,000 * 1e8 / 1e8 = 1e4 */
uint256 private constant SUNS_PER_DIV = 10 ** uint256(decimals); // 1e8
/* Time of contract launch (Dec 7th, 00:00:00 UTC, Auction Day 1 Starts Dec 8th, 00:00:00 UTC) */
uint256 internal constant LAUNCH_TIME = 1607299200;
/* Start of claim phase */
uint256 internal constant PRE_CLAIM_DAYS = 1;
/* reduce amount of tokens to 2500000 */
uint256 internal constant CLAIM_STARTING_AMOUNT = 2500000 * (10 ** 8);
/* reduce amount of tokens to 1000000 */
uint256 internal constant CLAIM_LOWEST_AMOUNT = 1000000 * (10 ** 8);
uint256 internal constant CLAIM_PHASE_START_DAY = PRE_CLAIM_DAYS;
/* Number of words to hold 1 bit for each transform lobby day */
uint256 internal constant XF_LOBBY_DAY_WORDS = ((1 + (50 * 7)) + 255) >> 8;
/* Stake timing parameters */
uint256 internal constant MIN_STAKE_DAYS = 1;
uint256 internal constant MAX_STAKE_DAYS = 30; //1 month
uint256 internal constant EARLY_PENALTY_MIN_DAYS = 90;
uint256 private constant LATE_PENALTY_GRACE_WEEKS = 2;
uint256 internal constant LATE_PENALTY_GRACE_DAYS = LATE_PENALTY_GRACE_WEEKS * 7;
uint256 private constant LATE_PENALTY_SCALE_WEEKS = 100;
uint256 internal constant LATE_PENALTY_SCALE_DAYS = LATE_PENALTY_SCALE_WEEKS * 7;
/* Stake shares Longer Pays Better bonus constants used by _stakeStartBonusGuns() */
uint256 private constant LPB_BONUS_PERCENT = 20;
uint256 private constant LPB_BONUS_MAX_PERCENT = 200;
uint256 internal constant LPB = 364 * 100 / LPB_BONUS_PERCENT;
uint256 internal constant LPB_MAX_DAYS = LPB * LPB_BONUS_MAX_PERCENT / 100;
uint256 private constant BPB_BONUS_PERCENT = 10;
uint256 private constant BPB_MAX_DIV = 7 * 1e6;
uint256 internal constant BPB_MAX_SUNS = BPB_MAX_DIV * SUNS_PER_DIV;
uint256 internal constant BPB = BPB_MAX_SUNS * 100 / BPB_BONUS_PERCENT;
/* Share rate is scaled to increase precision */
uint256 internal constant SHARE_RATE_SCALE = 1e5;
/* Share rate max (after scaling) */
uint256 internal constant SHARE_RATE_UINT_SIZE = 40;
uint256 internal constant SHARE_RATE_MAX = (1 << SHARE_RATE_UINT_SIZE) - 1;
/* weekly staking bonus */
uint8 internal constant BONUS_DAY_SCALE = 2;
/* Globals expanded for memory (except _latestStakeId) and compact for storage */
struct GlobalsCache {
uint256 _lockedSunsTotal;
uint256 _nextStakeSharesTotal;
uint256 _shareRate;
uint256 _stakePenaltyTotal;
uint256 _dailyDataCount;
uint256 _stakeSharesTotal;
uint40 _latestStakeId;
uint256 _currentDay;
}
struct GlobalsStore {
uint72 lockedSunsTotal;
uint72 nextStakeSharesTotal;
uint40 shareRate;
uint72 stakePenaltyTotal;
uint16 dailyDataCount;
uint72 stakeSharesTotal;
uint40 latestStakeId;
}
GlobalsStore public globals;
/* Daily data */
struct DailyDataStore {
uint72 dayPayoutTotal;
uint256 dayDividends;
uint72 dayStakeSharesTotal;
}
mapping(uint256 => DailyDataStore) public dailyData;
/* Stake expanded for memory (except _stakeId) and compact for storage */
struct StakeCache {
uint40 _stakeId;
uint256 _stakedSuns;
uint256 _stakeShares;
uint256 _lockedDay;
uint256 _stakedDays;
uint256 _unlockedDay;
}
struct StakeStore {
uint40 stakeId;
uint72 stakedSuns;
uint72 stakeShares;
uint16 lockedDay;
uint16 stakedDays;
uint16 unlockedDay;
}
mapping(address => StakeStore[]) public stakeLists;
/* Temporary state for calculating daily rounds */
struct DailyRoundState {
uint256 _allocSupplyCached;
uint256 _payoutTotal;
}
struct XfLobbyEntryStore {
uint96 rawAmount;
address referrerAddr;
}
struct XfLobbyQueueStore {
uint40 headIndex;
uint40 tailIndex;
mapping(uint256 => XfLobbyEntryStore) entries;
}
mapping(uint256 => uint256) public xfLobby;
mapping(uint256 => mapping(address => XfLobbyQueueStore)) public xfLobbyMembers;
/**
* @dev PUBLIC FACING: Optionally update daily data for a smaller
* range to reduce gas cost for a subsequent operation
* @param beforeDay Only update days before this day number (optional; 0 for current day)
*/
function dailyDataUpdate(uint256 beforeDay)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* Skip pre-claim period */
require(g._currentDay > CLAIM_PHASE_START_DAY, "CSNE: Too early");
if (beforeDay != 0) {
require(beforeDay <= g._currentDay, "CSNE: beforeDay cannot be in the future");
_dailyDataUpdate(g, beforeDay, false);
} else {
/* Default to updating before current day */
_dailyDataUpdate(g, g._currentDay, false);
}
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: External helper to return multiple values of daily data with
* a single call.
* @param endDay Last day (non-inclusive) of data range
* @param beginDay First day of data range
* @return array of day stake shares total
* @return array of day payout total
*/
function dailyDataRange(uint256 beginDay, uint256 endDay)
external
view
returns (uint256[] memory _dayStakeSharesTotal, uint256[] memory _dayPayoutTotal, uint256[] memory _dayDividends)
{
require(beginDay < endDay && endDay <= globals.dailyDataCount, "CSNE: range invalid");
_dayStakeSharesTotal = new uint256[](endDay - beginDay);
_dayPayoutTotal = new uint256[](endDay - beginDay);
_dayDividends = new uint256[](endDay - beginDay);
uint256 src = beginDay;
uint256 dst = 0;
do {
_dayStakeSharesTotal[dst] = uint256(dailyData[src].dayStakeSharesTotal);
_dayPayoutTotal[dst++] = uint256(dailyData[src].dayPayoutTotal);
_dayDividends[dst++] = dailyData[src].dayDividends;
} while (++src < endDay);
return (_dayStakeSharesTotal, _dayPayoutTotal, _dayDividends);
}
/**
* @dev PUBLIC FACING: External helper to return most global info with a single call.
* Ugly implementation due to limitations of the standard ABI encoder.
* @return Fixed array of values
*/
function globalInfo()
external
view
returns (uint256[10] memory)
{
return [
globals.lockedSunsTotal,
globals.nextStakeSharesTotal,
globals.shareRate,
globals.stakePenaltyTotal,
globals.dailyDataCount,
globals.stakeSharesTotal,
globals.latestStakeId,
block.timestamp,
totalSupply(),
xfLobby[_currentDay()]
];
}
/**
* @dev PUBLIC FACING: ERC20 totalSupply() is the circulating supply and does not include any
* staked Suns. allocatedSupply() includes both.
* @return Allocated Supply in Suns
*/
function allocatedSupply()
external
view
returns (uint256)
{
return totalSupply() + globals.lockedSunsTotal;
}
/**
* @dev PUBLIC FACING: External helper for the current day number since launch time
* @return Current day number (zero-based)
*/
function currentDay()
external
view
returns (uint256)
{
return _currentDay();
}
function _currentDay()
internal
view
returns (uint256)
{
if (block.timestamp < LAUNCH_TIME){
return 0;
}else{
return (block.timestamp - LAUNCH_TIME) / 1 days;
}
}
function _dailyDataUpdateAuto(GlobalsCache memory g)
internal
{
_dailyDataUpdate(g, g._currentDay, true);
}
function _globalsLoad(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
view
{
g._lockedSunsTotal = globals.lockedSunsTotal;
g._nextStakeSharesTotal = globals.nextStakeSharesTotal;
g._shareRate = globals.shareRate;
g._stakePenaltyTotal = globals.stakePenaltyTotal;
g._dailyDataCount = globals.dailyDataCount;
g._stakeSharesTotal = globals.stakeSharesTotal;
g._latestStakeId = globals.latestStakeId;
g._currentDay = _currentDay();
_globalsCacheSnapshot(g, gSnapshot);
}
function _globalsCacheSnapshot(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
pure
{
gSnapshot._lockedSunsTotal = g._lockedSunsTotal;
gSnapshot._nextStakeSharesTotal = g._nextStakeSharesTotal;
gSnapshot._shareRate = g._shareRate;
gSnapshot._stakePenaltyTotal = g._stakePenaltyTotal;
gSnapshot._dailyDataCount = g._dailyDataCount;
gSnapshot._stakeSharesTotal = g._stakeSharesTotal;
gSnapshot._latestStakeId = g._latestStakeId;
}
function _globalsSync(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
{
if (g._lockedSunsTotal != gSnapshot._lockedSunsTotal
|| g._nextStakeSharesTotal != gSnapshot._nextStakeSharesTotal
|| g._shareRate != gSnapshot._shareRate
|| g._stakePenaltyTotal != gSnapshot._stakePenaltyTotal) {
globals.lockedSunsTotal = uint72(g._lockedSunsTotal);
globals.nextStakeSharesTotal = uint72(g._nextStakeSharesTotal);
globals.shareRate = uint40(g._shareRate);
globals.stakePenaltyTotal = uint72(g._stakePenaltyTotal);
}
if (g._dailyDataCount != gSnapshot._dailyDataCount
|| g._stakeSharesTotal != gSnapshot._stakeSharesTotal
|| g._latestStakeId != gSnapshot._latestStakeId) {
globals.dailyDataCount = uint16(g._dailyDataCount);
globals.stakeSharesTotal = uint72(g._stakeSharesTotal);
globals.latestStakeId = g._latestStakeId;
}
}
function _stakeLoad(StakeStore storage stRef, uint40 stakeIdParam, StakeCache memory st)
internal
view
{
/* Ensure caller's stakeIndex is still current */
require(stakeIdParam == stRef.stakeId, "CSNE: stakeIdParam not in stake");
st._stakeId = stRef.stakeId;
st._stakedSuns = stRef.stakedSuns;
st._stakeShares = stRef.stakeShares;
st._lockedDay = stRef.lockedDay;
st._stakedDays = stRef.stakedDays;
st._unlockedDay = stRef.unlockedDay;
}
function _stakeUpdate(StakeStore storage stRef, StakeCache memory st)
internal
{
stRef.stakeId = st._stakeId;
stRef.stakedSuns = uint72(st._stakedSuns);
stRef.stakeShares = uint72(st._stakeShares);
stRef.lockedDay = uint16(st._lockedDay);
stRef.stakedDays = uint16(st._stakedDays);
stRef.unlockedDay = uint16(st._unlockedDay);
}
function _stakeAdd(
StakeStore[] storage stakeListRef,
uint40 newStakeId,
uint256 newStakedSuns,
uint256 newStakeShares,
uint256 newLockedDay,
uint256 newStakedDays
)
internal
{
stakeListRef.push(
StakeStore(
newStakeId,
uint72(newStakedSuns),
uint72(newStakeShares),
uint16(newLockedDay),
uint16(newStakedDays),
uint16(0) // unlockedDay
)
);
}
/**
* @dev Efficiently delete from an unordered array by moving the last element
* to the "hole" and reducing the array length. Can change the order of the list
* and invalidate previously held indexes.
* @notice stakeListRef length and stakeIndex are already ensured valid in stakeEnd()
* @param stakeListRef Reference to stakeLists[stakerAddr] array in storage
* @param stakeIndex Index of the element to delete
*/
function _stakeRemove(StakeStore[] storage stakeListRef, uint256 stakeIndex)
internal
{
uint256 lastIndex = stakeListRef.length - 1;
/* Skip the copy if element to be removed is already the last element */
if (stakeIndex != lastIndex) {
/* Copy last element to the requested element's "hole" */
stakeListRef[stakeIndex] = stakeListRef[lastIndex];
}
/*
Reduce the array length now that the array is contiguous.
Surprisingly, 'pop()' uses less gas than 'stakeListRef.length = lastIndex'
*/
stakeListRef.pop();
}
/**
* @dev Estimate the stake payout for an incomplete day
* @param g Cache of stored globals
* @param stakeSharesParam Param from stake to calculate bonuses for
* @param day Day to calculate bonuses for
* @return Payout in Suns
*/
function _estimatePayoutRewardsDay(GlobalsCache memory g, uint256 stakeSharesParam, uint256 day)
internal
view
returns (uint256 payout)
{
/* Prevent updating state for this estimation */
GlobalsCache memory gTmp;
_globalsCacheSnapshot(g, gTmp);
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
_dailyRoundCalc(gTmp, rs, day);
/* Stake is no longer locked so it must be added to total as if it were */
gTmp._stakeSharesTotal += stakeSharesParam;
payout = rs._payoutTotal * stakeSharesParam / gTmp._stakeSharesTotal;
return payout;
}
function _dailyRoundCalc(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
view
{
rs._payoutTotal = (rs._allocSupplyCached * 50000 / 68854153);
if (g._stakePenaltyTotal != 0) {
rs._payoutTotal += g._stakePenaltyTotal;
g._stakePenaltyTotal = 0;
}
}
function _dailyRoundCalcAndStore(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
{
_dailyRoundCalc(g, rs, day);
dailyData[day].dayPayoutTotal = uint72(rs._payoutTotal);
dailyData[day].dayDividends = xfLobby[day];
dailyData[day].dayStakeSharesTotal = uint72(g._stakeSharesTotal);
}
function _dailyDataUpdate(GlobalsCache memory g, uint256 beforeDay, bool isAutoUpdate)
private
{
if (g._dailyDataCount >= beforeDay) {
/* Already up-to-date */
return;
}
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
uint256 day = g._dailyDataCount;
_dailyRoundCalcAndStore(g, rs, day);
/* Stakes started during this day are added to the total the next day */
if (g._nextStakeSharesTotal != 0) {
g._stakeSharesTotal += g._nextStakeSharesTotal;
g._nextStakeSharesTotal = 0;
}
while (++day < beforeDay) {
_dailyRoundCalcAndStore(g, rs, day);
}
emit DailyDataUpdate(
msg.sender,
block.timestamp,
g._dailyDataCount,
day
);
g._dailyDataCount = day;
}
} | globalInfo | function globalInfo()
external
view
returns (uint256[10] memory)
{
return [
globals.lockedSunsTotal,
globals.nextStakeSharesTotal,
globals.shareRate,
globals.stakePenaltyTotal,
globals.dailyDataCount,
globals.stakeSharesTotal,
globals.latestStakeId,
block.timestamp,
totalSupply(),
xfLobby[_currentDay()]
];
}
| /**
* @dev PUBLIC FACING: External helper to return most global info with a single call.
* Ugly implementation due to limitations of the standard ABI encoder.
* @return Fixed array of values
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
9079,
9596
]
} | 4,604 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | GlobalsAndUtility | contract GlobalsAndUtility is ERC20 {
/* XfLobbyEnter
*/
event XfLobbyEnter(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed rawAmount
);
/* XfLobbyExit
*/
event XfLobbyExit(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed xfAmount,
address indexed referrerAddr
);
/* DailyDataUpdate
*/
event DailyDataUpdate(
address indexed updaterAddr,
uint256 timestamp,
uint256 beginDay,
uint256 endDay
);
/* StakeStart
*/
event StakeStart(
uint40 indexed stakeId,
address indexed stakerAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 stakedDays
);
/* StakeGoodAccounting
*/
event StakeGoodAccounting(
uint40 indexed stakeId,
address indexed stakerAddr,
address indexed senderAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 payout,
uint256 penalty
);
/* StakeEnd
*/
event StakeEnd(
uint40 indexed stakeId,
uint40 prevUnlocked,
address indexed stakerAddr,
uint256 lockedDay,
uint256 servedDays,
uint256 stakedGuns,
uint256 stakeShares,
uint256 dividends,
uint256 payout,
uint256 penalty,
uint256 stakeReturn
);
/* ShareRateChange
*/
event ShareRateChange(
uint40 indexed stakeId,
uint256 timestamp,
uint256 newShareRate
);
/* CSN allocation share address
* Used for 5% drip into CSN auction
* 95% of the first 2 days public auction will be redistributed over the next 30 days to balance auction lobby healthy.
*/
address payable internal constant FLUSH_ADDR = 0xcE3D57d817dC3B83899907BFec99C7EF2E2AF35d;
uint8 internal LAST_FLUSHED_DAY = 1;
/* ERC20 constants */
string public constant name = "Community Staking Network in ETH";
string public constant symbol = "CSNE";
uint8 public constant decimals = 8;
/* Suns per Satoshi = 10,000 * 1e8 / 1e8 = 1e4 */
uint256 private constant SUNS_PER_DIV = 10 ** uint256(decimals); // 1e8
/* Time of contract launch (Dec 7th, 00:00:00 UTC, Auction Day 1 Starts Dec 8th, 00:00:00 UTC) */
uint256 internal constant LAUNCH_TIME = 1607299200;
/* Start of claim phase */
uint256 internal constant PRE_CLAIM_DAYS = 1;
/* reduce amount of tokens to 2500000 */
uint256 internal constant CLAIM_STARTING_AMOUNT = 2500000 * (10 ** 8);
/* reduce amount of tokens to 1000000 */
uint256 internal constant CLAIM_LOWEST_AMOUNT = 1000000 * (10 ** 8);
uint256 internal constant CLAIM_PHASE_START_DAY = PRE_CLAIM_DAYS;
/* Number of words to hold 1 bit for each transform lobby day */
uint256 internal constant XF_LOBBY_DAY_WORDS = ((1 + (50 * 7)) + 255) >> 8;
/* Stake timing parameters */
uint256 internal constant MIN_STAKE_DAYS = 1;
uint256 internal constant MAX_STAKE_DAYS = 30; //1 month
uint256 internal constant EARLY_PENALTY_MIN_DAYS = 90;
uint256 private constant LATE_PENALTY_GRACE_WEEKS = 2;
uint256 internal constant LATE_PENALTY_GRACE_DAYS = LATE_PENALTY_GRACE_WEEKS * 7;
uint256 private constant LATE_PENALTY_SCALE_WEEKS = 100;
uint256 internal constant LATE_PENALTY_SCALE_DAYS = LATE_PENALTY_SCALE_WEEKS * 7;
/* Stake shares Longer Pays Better bonus constants used by _stakeStartBonusGuns() */
uint256 private constant LPB_BONUS_PERCENT = 20;
uint256 private constant LPB_BONUS_MAX_PERCENT = 200;
uint256 internal constant LPB = 364 * 100 / LPB_BONUS_PERCENT;
uint256 internal constant LPB_MAX_DAYS = LPB * LPB_BONUS_MAX_PERCENT / 100;
uint256 private constant BPB_BONUS_PERCENT = 10;
uint256 private constant BPB_MAX_DIV = 7 * 1e6;
uint256 internal constant BPB_MAX_SUNS = BPB_MAX_DIV * SUNS_PER_DIV;
uint256 internal constant BPB = BPB_MAX_SUNS * 100 / BPB_BONUS_PERCENT;
/* Share rate is scaled to increase precision */
uint256 internal constant SHARE_RATE_SCALE = 1e5;
/* Share rate max (after scaling) */
uint256 internal constant SHARE_RATE_UINT_SIZE = 40;
uint256 internal constant SHARE_RATE_MAX = (1 << SHARE_RATE_UINT_SIZE) - 1;
/* weekly staking bonus */
uint8 internal constant BONUS_DAY_SCALE = 2;
/* Globals expanded for memory (except _latestStakeId) and compact for storage */
struct GlobalsCache {
uint256 _lockedSunsTotal;
uint256 _nextStakeSharesTotal;
uint256 _shareRate;
uint256 _stakePenaltyTotal;
uint256 _dailyDataCount;
uint256 _stakeSharesTotal;
uint40 _latestStakeId;
uint256 _currentDay;
}
struct GlobalsStore {
uint72 lockedSunsTotal;
uint72 nextStakeSharesTotal;
uint40 shareRate;
uint72 stakePenaltyTotal;
uint16 dailyDataCount;
uint72 stakeSharesTotal;
uint40 latestStakeId;
}
GlobalsStore public globals;
/* Daily data */
struct DailyDataStore {
uint72 dayPayoutTotal;
uint256 dayDividends;
uint72 dayStakeSharesTotal;
}
mapping(uint256 => DailyDataStore) public dailyData;
/* Stake expanded for memory (except _stakeId) and compact for storage */
struct StakeCache {
uint40 _stakeId;
uint256 _stakedSuns;
uint256 _stakeShares;
uint256 _lockedDay;
uint256 _stakedDays;
uint256 _unlockedDay;
}
struct StakeStore {
uint40 stakeId;
uint72 stakedSuns;
uint72 stakeShares;
uint16 lockedDay;
uint16 stakedDays;
uint16 unlockedDay;
}
mapping(address => StakeStore[]) public stakeLists;
/* Temporary state for calculating daily rounds */
struct DailyRoundState {
uint256 _allocSupplyCached;
uint256 _payoutTotal;
}
struct XfLobbyEntryStore {
uint96 rawAmount;
address referrerAddr;
}
struct XfLobbyQueueStore {
uint40 headIndex;
uint40 tailIndex;
mapping(uint256 => XfLobbyEntryStore) entries;
}
mapping(uint256 => uint256) public xfLobby;
mapping(uint256 => mapping(address => XfLobbyQueueStore)) public xfLobbyMembers;
/**
* @dev PUBLIC FACING: Optionally update daily data for a smaller
* range to reduce gas cost for a subsequent operation
* @param beforeDay Only update days before this day number (optional; 0 for current day)
*/
function dailyDataUpdate(uint256 beforeDay)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* Skip pre-claim period */
require(g._currentDay > CLAIM_PHASE_START_DAY, "CSNE: Too early");
if (beforeDay != 0) {
require(beforeDay <= g._currentDay, "CSNE: beforeDay cannot be in the future");
_dailyDataUpdate(g, beforeDay, false);
} else {
/* Default to updating before current day */
_dailyDataUpdate(g, g._currentDay, false);
}
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: External helper to return multiple values of daily data with
* a single call.
* @param endDay Last day (non-inclusive) of data range
* @param beginDay First day of data range
* @return array of day stake shares total
* @return array of day payout total
*/
function dailyDataRange(uint256 beginDay, uint256 endDay)
external
view
returns (uint256[] memory _dayStakeSharesTotal, uint256[] memory _dayPayoutTotal, uint256[] memory _dayDividends)
{
require(beginDay < endDay && endDay <= globals.dailyDataCount, "CSNE: range invalid");
_dayStakeSharesTotal = new uint256[](endDay - beginDay);
_dayPayoutTotal = new uint256[](endDay - beginDay);
_dayDividends = new uint256[](endDay - beginDay);
uint256 src = beginDay;
uint256 dst = 0;
do {
_dayStakeSharesTotal[dst] = uint256(dailyData[src].dayStakeSharesTotal);
_dayPayoutTotal[dst++] = uint256(dailyData[src].dayPayoutTotal);
_dayDividends[dst++] = dailyData[src].dayDividends;
} while (++src < endDay);
return (_dayStakeSharesTotal, _dayPayoutTotal, _dayDividends);
}
/**
* @dev PUBLIC FACING: External helper to return most global info with a single call.
* Ugly implementation due to limitations of the standard ABI encoder.
* @return Fixed array of values
*/
function globalInfo()
external
view
returns (uint256[10] memory)
{
return [
globals.lockedSunsTotal,
globals.nextStakeSharesTotal,
globals.shareRate,
globals.stakePenaltyTotal,
globals.dailyDataCount,
globals.stakeSharesTotal,
globals.latestStakeId,
block.timestamp,
totalSupply(),
xfLobby[_currentDay()]
];
}
/**
* @dev PUBLIC FACING: ERC20 totalSupply() is the circulating supply and does not include any
* staked Suns. allocatedSupply() includes both.
* @return Allocated Supply in Suns
*/
function allocatedSupply()
external
view
returns (uint256)
{
return totalSupply() + globals.lockedSunsTotal;
}
/**
* @dev PUBLIC FACING: External helper for the current day number since launch time
* @return Current day number (zero-based)
*/
function currentDay()
external
view
returns (uint256)
{
return _currentDay();
}
function _currentDay()
internal
view
returns (uint256)
{
if (block.timestamp < LAUNCH_TIME){
return 0;
}else{
return (block.timestamp - LAUNCH_TIME) / 1 days;
}
}
function _dailyDataUpdateAuto(GlobalsCache memory g)
internal
{
_dailyDataUpdate(g, g._currentDay, true);
}
function _globalsLoad(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
view
{
g._lockedSunsTotal = globals.lockedSunsTotal;
g._nextStakeSharesTotal = globals.nextStakeSharesTotal;
g._shareRate = globals.shareRate;
g._stakePenaltyTotal = globals.stakePenaltyTotal;
g._dailyDataCount = globals.dailyDataCount;
g._stakeSharesTotal = globals.stakeSharesTotal;
g._latestStakeId = globals.latestStakeId;
g._currentDay = _currentDay();
_globalsCacheSnapshot(g, gSnapshot);
}
function _globalsCacheSnapshot(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
pure
{
gSnapshot._lockedSunsTotal = g._lockedSunsTotal;
gSnapshot._nextStakeSharesTotal = g._nextStakeSharesTotal;
gSnapshot._shareRate = g._shareRate;
gSnapshot._stakePenaltyTotal = g._stakePenaltyTotal;
gSnapshot._dailyDataCount = g._dailyDataCount;
gSnapshot._stakeSharesTotal = g._stakeSharesTotal;
gSnapshot._latestStakeId = g._latestStakeId;
}
function _globalsSync(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
{
if (g._lockedSunsTotal != gSnapshot._lockedSunsTotal
|| g._nextStakeSharesTotal != gSnapshot._nextStakeSharesTotal
|| g._shareRate != gSnapshot._shareRate
|| g._stakePenaltyTotal != gSnapshot._stakePenaltyTotal) {
globals.lockedSunsTotal = uint72(g._lockedSunsTotal);
globals.nextStakeSharesTotal = uint72(g._nextStakeSharesTotal);
globals.shareRate = uint40(g._shareRate);
globals.stakePenaltyTotal = uint72(g._stakePenaltyTotal);
}
if (g._dailyDataCount != gSnapshot._dailyDataCount
|| g._stakeSharesTotal != gSnapshot._stakeSharesTotal
|| g._latestStakeId != gSnapshot._latestStakeId) {
globals.dailyDataCount = uint16(g._dailyDataCount);
globals.stakeSharesTotal = uint72(g._stakeSharesTotal);
globals.latestStakeId = g._latestStakeId;
}
}
function _stakeLoad(StakeStore storage stRef, uint40 stakeIdParam, StakeCache memory st)
internal
view
{
/* Ensure caller's stakeIndex is still current */
require(stakeIdParam == stRef.stakeId, "CSNE: stakeIdParam not in stake");
st._stakeId = stRef.stakeId;
st._stakedSuns = stRef.stakedSuns;
st._stakeShares = stRef.stakeShares;
st._lockedDay = stRef.lockedDay;
st._stakedDays = stRef.stakedDays;
st._unlockedDay = stRef.unlockedDay;
}
function _stakeUpdate(StakeStore storage stRef, StakeCache memory st)
internal
{
stRef.stakeId = st._stakeId;
stRef.stakedSuns = uint72(st._stakedSuns);
stRef.stakeShares = uint72(st._stakeShares);
stRef.lockedDay = uint16(st._lockedDay);
stRef.stakedDays = uint16(st._stakedDays);
stRef.unlockedDay = uint16(st._unlockedDay);
}
function _stakeAdd(
StakeStore[] storage stakeListRef,
uint40 newStakeId,
uint256 newStakedSuns,
uint256 newStakeShares,
uint256 newLockedDay,
uint256 newStakedDays
)
internal
{
stakeListRef.push(
StakeStore(
newStakeId,
uint72(newStakedSuns),
uint72(newStakeShares),
uint16(newLockedDay),
uint16(newStakedDays),
uint16(0) // unlockedDay
)
);
}
/**
* @dev Efficiently delete from an unordered array by moving the last element
* to the "hole" and reducing the array length. Can change the order of the list
* and invalidate previously held indexes.
* @notice stakeListRef length and stakeIndex are already ensured valid in stakeEnd()
* @param stakeListRef Reference to stakeLists[stakerAddr] array in storage
* @param stakeIndex Index of the element to delete
*/
function _stakeRemove(StakeStore[] storage stakeListRef, uint256 stakeIndex)
internal
{
uint256 lastIndex = stakeListRef.length - 1;
/* Skip the copy if element to be removed is already the last element */
if (stakeIndex != lastIndex) {
/* Copy last element to the requested element's "hole" */
stakeListRef[stakeIndex] = stakeListRef[lastIndex];
}
/*
Reduce the array length now that the array is contiguous.
Surprisingly, 'pop()' uses less gas than 'stakeListRef.length = lastIndex'
*/
stakeListRef.pop();
}
/**
* @dev Estimate the stake payout for an incomplete day
* @param g Cache of stored globals
* @param stakeSharesParam Param from stake to calculate bonuses for
* @param day Day to calculate bonuses for
* @return Payout in Suns
*/
function _estimatePayoutRewardsDay(GlobalsCache memory g, uint256 stakeSharesParam, uint256 day)
internal
view
returns (uint256 payout)
{
/* Prevent updating state for this estimation */
GlobalsCache memory gTmp;
_globalsCacheSnapshot(g, gTmp);
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
_dailyRoundCalc(gTmp, rs, day);
/* Stake is no longer locked so it must be added to total as if it were */
gTmp._stakeSharesTotal += stakeSharesParam;
payout = rs._payoutTotal * stakeSharesParam / gTmp._stakeSharesTotal;
return payout;
}
function _dailyRoundCalc(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
view
{
rs._payoutTotal = (rs._allocSupplyCached * 50000 / 68854153);
if (g._stakePenaltyTotal != 0) {
rs._payoutTotal += g._stakePenaltyTotal;
g._stakePenaltyTotal = 0;
}
}
function _dailyRoundCalcAndStore(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
{
_dailyRoundCalc(g, rs, day);
dailyData[day].dayPayoutTotal = uint72(rs._payoutTotal);
dailyData[day].dayDividends = xfLobby[day];
dailyData[day].dayStakeSharesTotal = uint72(g._stakeSharesTotal);
}
function _dailyDataUpdate(GlobalsCache memory g, uint256 beforeDay, bool isAutoUpdate)
private
{
if (g._dailyDataCount >= beforeDay) {
/* Already up-to-date */
return;
}
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
uint256 day = g._dailyDataCount;
_dailyRoundCalcAndStore(g, rs, day);
/* Stakes started during this day are added to the total the next day */
if (g._nextStakeSharesTotal != 0) {
g._stakeSharesTotal += g._nextStakeSharesTotal;
g._nextStakeSharesTotal = 0;
}
while (++day < beforeDay) {
_dailyRoundCalcAndStore(g, rs, day);
}
emit DailyDataUpdate(
msg.sender,
block.timestamp,
g._dailyDataCount,
day
);
g._dailyDataCount = day;
}
} | allocatedSupply | function allocatedSupply()
external
view
returns (uint256)
{
return totalSupply() + globals.lockedSunsTotal;
}
| /**
* @dev PUBLIC FACING: ERC20 totalSupply() is the circulating supply and does not include any
* staked Suns. allocatedSupply() includes both.
* @return Allocated Supply in Suns
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
9814,
9982
]
} | 4,605 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | GlobalsAndUtility | contract GlobalsAndUtility is ERC20 {
/* XfLobbyEnter
*/
event XfLobbyEnter(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed rawAmount
);
/* XfLobbyExit
*/
event XfLobbyExit(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed xfAmount,
address indexed referrerAddr
);
/* DailyDataUpdate
*/
event DailyDataUpdate(
address indexed updaterAddr,
uint256 timestamp,
uint256 beginDay,
uint256 endDay
);
/* StakeStart
*/
event StakeStart(
uint40 indexed stakeId,
address indexed stakerAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 stakedDays
);
/* StakeGoodAccounting
*/
event StakeGoodAccounting(
uint40 indexed stakeId,
address indexed stakerAddr,
address indexed senderAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 payout,
uint256 penalty
);
/* StakeEnd
*/
event StakeEnd(
uint40 indexed stakeId,
uint40 prevUnlocked,
address indexed stakerAddr,
uint256 lockedDay,
uint256 servedDays,
uint256 stakedGuns,
uint256 stakeShares,
uint256 dividends,
uint256 payout,
uint256 penalty,
uint256 stakeReturn
);
/* ShareRateChange
*/
event ShareRateChange(
uint40 indexed stakeId,
uint256 timestamp,
uint256 newShareRate
);
/* CSN allocation share address
* Used for 5% drip into CSN auction
* 95% of the first 2 days public auction will be redistributed over the next 30 days to balance auction lobby healthy.
*/
address payable internal constant FLUSH_ADDR = 0xcE3D57d817dC3B83899907BFec99C7EF2E2AF35d;
uint8 internal LAST_FLUSHED_DAY = 1;
/* ERC20 constants */
string public constant name = "Community Staking Network in ETH";
string public constant symbol = "CSNE";
uint8 public constant decimals = 8;
/* Suns per Satoshi = 10,000 * 1e8 / 1e8 = 1e4 */
uint256 private constant SUNS_PER_DIV = 10 ** uint256(decimals); // 1e8
/* Time of contract launch (Dec 7th, 00:00:00 UTC, Auction Day 1 Starts Dec 8th, 00:00:00 UTC) */
uint256 internal constant LAUNCH_TIME = 1607299200;
/* Start of claim phase */
uint256 internal constant PRE_CLAIM_DAYS = 1;
/* reduce amount of tokens to 2500000 */
uint256 internal constant CLAIM_STARTING_AMOUNT = 2500000 * (10 ** 8);
/* reduce amount of tokens to 1000000 */
uint256 internal constant CLAIM_LOWEST_AMOUNT = 1000000 * (10 ** 8);
uint256 internal constant CLAIM_PHASE_START_DAY = PRE_CLAIM_DAYS;
/* Number of words to hold 1 bit for each transform lobby day */
uint256 internal constant XF_LOBBY_DAY_WORDS = ((1 + (50 * 7)) + 255) >> 8;
/* Stake timing parameters */
uint256 internal constant MIN_STAKE_DAYS = 1;
uint256 internal constant MAX_STAKE_DAYS = 30; //1 month
uint256 internal constant EARLY_PENALTY_MIN_DAYS = 90;
uint256 private constant LATE_PENALTY_GRACE_WEEKS = 2;
uint256 internal constant LATE_PENALTY_GRACE_DAYS = LATE_PENALTY_GRACE_WEEKS * 7;
uint256 private constant LATE_PENALTY_SCALE_WEEKS = 100;
uint256 internal constant LATE_PENALTY_SCALE_DAYS = LATE_PENALTY_SCALE_WEEKS * 7;
/* Stake shares Longer Pays Better bonus constants used by _stakeStartBonusGuns() */
uint256 private constant LPB_BONUS_PERCENT = 20;
uint256 private constant LPB_BONUS_MAX_PERCENT = 200;
uint256 internal constant LPB = 364 * 100 / LPB_BONUS_PERCENT;
uint256 internal constant LPB_MAX_DAYS = LPB * LPB_BONUS_MAX_PERCENT / 100;
uint256 private constant BPB_BONUS_PERCENT = 10;
uint256 private constant BPB_MAX_DIV = 7 * 1e6;
uint256 internal constant BPB_MAX_SUNS = BPB_MAX_DIV * SUNS_PER_DIV;
uint256 internal constant BPB = BPB_MAX_SUNS * 100 / BPB_BONUS_PERCENT;
/* Share rate is scaled to increase precision */
uint256 internal constant SHARE_RATE_SCALE = 1e5;
/* Share rate max (after scaling) */
uint256 internal constant SHARE_RATE_UINT_SIZE = 40;
uint256 internal constant SHARE_RATE_MAX = (1 << SHARE_RATE_UINT_SIZE) - 1;
/* weekly staking bonus */
uint8 internal constant BONUS_DAY_SCALE = 2;
/* Globals expanded for memory (except _latestStakeId) and compact for storage */
struct GlobalsCache {
uint256 _lockedSunsTotal;
uint256 _nextStakeSharesTotal;
uint256 _shareRate;
uint256 _stakePenaltyTotal;
uint256 _dailyDataCount;
uint256 _stakeSharesTotal;
uint40 _latestStakeId;
uint256 _currentDay;
}
struct GlobalsStore {
uint72 lockedSunsTotal;
uint72 nextStakeSharesTotal;
uint40 shareRate;
uint72 stakePenaltyTotal;
uint16 dailyDataCount;
uint72 stakeSharesTotal;
uint40 latestStakeId;
}
GlobalsStore public globals;
/* Daily data */
struct DailyDataStore {
uint72 dayPayoutTotal;
uint256 dayDividends;
uint72 dayStakeSharesTotal;
}
mapping(uint256 => DailyDataStore) public dailyData;
/* Stake expanded for memory (except _stakeId) and compact for storage */
struct StakeCache {
uint40 _stakeId;
uint256 _stakedSuns;
uint256 _stakeShares;
uint256 _lockedDay;
uint256 _stakedDays;
uint256 _unlockedDay;
}
struct StakeStore {
uint40 stakeId;
uint72 stakedSuns;
uint72 stakeShares;
uint16 lockedDay;
uint16 stakedDays;
uint16 unlockedDay;
}
mapping(address => StakeStore[]) public stakeLists;
/* Temporary state for calculating daily rounds */
struct DailyRoundState {
uint256 _allocSupplyCached;
uint256 _payoutTotal;
}
struct XfLobbyEntryStore {
uint96 rawAmount;
address referrerAddr;
}
struct XfLobbyQueueStore {
uint40 headIndex;
uint40 tailIndex;
mapping(uint256 => XfLobbyEntryStore) entries;
}
mapping(uint256 => uint256) public xfLobby;
mapping(uint256 => mapping(address => XfLobbyQueueStore)) public xfLobbyMembers;
/**
* @dev PUBLIC FACING: Optionally update daily data for a smaller
* range to reduce gas cost for a subsequent operation
* @param beforeDay Only update days before this day number (optional; 0 for current day)
*/
function dailyDataUpdate(uint256 beforeDay)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* Skip pre-claim period */
require(g._currentDay > CLAIM_PHASE_START_DAY, "CSNE: Too early");
if (beforeDay != 0) {
require(beforeDay <= g._currentDay, "CSNE: beforeDay cannot be in the future");
_dailyDataUpdate(g, beforeDay, false);
} else {
/* Default to updating before current day */
_dailyDataUpdate(g, g._currentDay, false);
}
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: External helper to return multiple values of daily data with
* a single call.
* @param endDay Last day (non-inclusive) of data range
* @param beginDay First day of data range
* @return array of day stake shares total
* @return array of day payout total
*/
function dailyDataRange(uint256 beginDay, uint256 endDay)
external
view
returns (uint256[] memory _dayStakeSharesTotal, uint256[] memory _dayPayoutTotal, uint256[] memory _dayDividends)
{
require(beginDay < endDay && endDay <= globals.dailyDataCount, "CSNE: range invalid");
_dayStakeSharesTotal = new uint256[](endDay - beginDay);
_dayPayoutTotal = new uint256[](endDay - beginDay);
_dayDividends = new uint256[](endDay - beginDay);
uint256 src = beginDay;
uint256 dst = 0;
do {
_dayStakeSharesTotal[dst] = uint256(dailyData[src].dayStakeSharesTotal);
_dayPayoutTotal[dst++] = uint256(dailyData[src].dayPayoutTotal);
_dayDividends[dst++] = dailyData[src].dayDividends;
} while (++src < endDay);
return (_dayStakeSharesTotal, _dayPayoutTotal, _dayDividends);
}
/**
* @dev PUBLIC FACING: External helper to return most global info with a single call.
* Ugly implementation due to limitations of the standard ABI encoder.
* @return Fixed array of values
*/
function globalInfo()
external
view
returns (uint256[10] memory)
{
return [
globals.lockedSunsTotal,
globals.nextStakeSharesTotal,
globals.shareRate,
globals.stakePenaltyTotal,
globals.dailyDataCount,
globals.stakeSharesTotal,
globals.latestStakeId,
block.timestamp,
totalSupply(),
xfLobby[_currentDay()]
];
}
/**
* @dev PUBLIC FACING: ERC20 totalSupply() is the circulating supply and does not include any
* staked Suns. allocatedSupply() includes both.
* @return Allocated Supply in Suns
*/
function allocatedSupply()
external
view
returns (uint256)
{
return totalSupply() + globals.lockedSunsTotal;
}
/**
* @dev PUBLIC FACING: External helper for the current day number since launch time
* @return Current day number (zero-based)
*/
function currentDay()
external
view
returns (uint256)
{
return _currentDay();
}
function _currentDay()
internal
view
returns (uint256)
{
if (block.timestamp < LAUNCH_TIME){
return 0;
}else{
return (block.timestamp - LAUNCH_TIME) / 1 days;
}
}
function _dailyDataUpdateAuto(GlobalsCache memory g)
internal
{
_dailyDataUpdate(g, g._currentDay, true);
}
function _globalsLoad(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
view
{
g._lockedSunsTotal = globals.lockedSunsTotal;
g._nextStakeSharesTotal = globals.nextStakeSharesTotal;
g._shareRate = globals.shareRate;
g._stakePenaltyTotal = globals.stakePenaltyTotal;
g._dailyDataCount = globals.dailyDataCount;
g._stakeSharesTotal = globals.stakeSharesTotal;
g._latestStakeId = globals.latestStakeId;
g._currentDay = _currentDay();
_globalsCacheSnapshot(g, gSnapshot);
}
function _globalsCacheSnapshot(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
pure
{
gSnapshot._lockedSunsTotal = g._lockedSunsTotal;
gSnapshot._nextStakeSharesTotal = g._nextStakeSharesTotal;
gSnapshot._shareRate = g._shareRate;
gSnapshot._stakePenaltyTotal = g._stakePenaltyTotal;
gSnapshot._dailyDataCount = g._dailyDataCount;
gSnapshot._stakeSharesTotal = g._stakeSharesTotal;
gSnapshot._latestStakeId = g._latestStakeId;
}
function _globalsSync(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
{
if (g._lockedSunsTotal != gSnapshot._lockedSunsTotal
|| g._nextStakeSharesTotal != gSnapshot._nextStakeSharesTotal
|| g._shareRate != gSnapshot._shareRate
|| g._stakePenaltyTotal != gSnapshot._stakePenaltyTotal) {
globals.lockedSunsTotal = uint72(g._lockedSunsTotal);
globals.nextStakeSharesTotal = uint72(g._nextStakeSharesTotal);
globals.shareRate = uint40(g._shareRate);
globals.stakePenaltyTotal = uint72(g._stakePenaltyTotal);
}
if (g._dailyDataCount != gSnapshot._dailyDataCount
|| g._stakeSharesTotal != gSnapshot._stakeSharesTotal
|| g._latestStakeId != gSnapshot._latestStakeId) {
globals.dailyDataCount = uint16(g._dailyDataCount);
globals.stakeSharesTotal = uint72(g._stakeSharesTotal);
globals.latestStakeId = g._latestStakeId;
}
}
function _stakeLoad(StakeStore storage stRef, uint40 stakeIdParam, StakeCache memory st)
internal
view
{
/* Ensure caller's stakeIndex is still current */
require(stakeIdParam == stRef.stakeId, "CSNE: stakeIdParam not in stake");
st._stakeId = stRef.stakeId;
st._stakedSuns = stRef.stakedSuns;
st._stakeShares = stRef.stakeShares;
st._lockedDay = stRef.lockedDay;
st._stakedDays = stRef.stakedDays;
st._unlockedDay = stRef.unlockedDay;
}
function _stakeUpdate(StakeStore storage stRef, StakeCache memory st)
internal
{
stRef.stakeId = st._stakeId;
stRef.stakedSuns = uint72(st._stakedSuns);
stRef.stakeShares = uint72(st._stakeShares);
stRef.lockedDay = uint16(st._lockedDay);
stRef.stakedDays = uint16(st._stakedDays);
stRef.unlockedDay = uint16(st._unlockedDay);
}
function _stakeAdd(
StakeStore[] storage stakeListRef,
uint40 newStakeId,
uint256 newStakedSuns,
uint256 newStakeShares,
uint256 newLockedDay,
uint256 newStakedDays
)
internal
{
stakeListRef.push(
StakeStore(
newStakeId,
uint72(newStakedSuns),
uint72(newStakeShares),
uint16(newLockedDay),
uint16(newStakedDays),
uint16(0) // unlockedDay
)
);
}
/**
* @dev Efficiently delete from an unordered array by moving the last element
* to the "hole" and reducing the array length. Can change the order of the list
* and invalidate previously held indexes.
* @notice stakeListRef length and stakeIndex are already ensured valid in stakeEnd()
* @param stakeListRef Reference to stakeLists[stakerAddr] array in storage
* @param stakeIndex Index of the element to delete
*/
function _stakeRemove(StakeStore[] storage stakeListRef, uint256 stakeIndex)
internal
{
uint256 lastIndex = stakeListRef.length - 1;
/* Skip the copy if element to be removed is already the last element */
if (stakeIndex != lastIndex) {
/* Copy last element to the requested element's "hole" */
stakeListRef[stakeIndex] = stakeListRef[lastIndex];
}
/*
Reduce the array length now that the array is contiguous.
Surprisingly, 'pop()' uses less gas than 'stakeListRef.length = lastIndex'
*/
stakeListRef.pop();
}
/**
* @dev Estimate the stake payout for an incomplete day
* @param g Cache of stored globals
* @param stakeSharesParam Param from stake to calculate bonuses for
* @param day Day to calculate bonuses for
* @return Payout in Suns
*/
function _estimatePayoutRewardsDay(GlobalsCache memory g, uint256 stakeSharesParam, uint256 day)
internal
view
returns (uint256 payout)
{
/* Prevent updating state for this estimation */
GlobalsCache memory gTmp;
_globalsCacheSnapshot(g, gTmp);
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
_dailyRoundCalc(gTmp, rs, day);
/* Stake is no longer locked so it must be added to total as if it were */
gTmp._stakeSharesTotal += stakeSharesParam;
payout = rs._payoutTotal * stakeSharesParam / gTmp._stakeSharesTotal;
return payout;
}
function _dailyRoundCalc(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
view
{
rs._payoutTotal = (rs._allocSupplyCached * 50000 / 68854153);
if (g._stakePenaltyTotal != 0) {
rs._payoutTotal += g._stakePenaltyTotal;
g._stakePenaltyTotal = 0;
}
}
function _dailyRoundCalcAndStore(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
{
_dailyRoundCalc(g, rs, day);
dailyData[day].dayPayoutTotal = uint72(rs._payoutTotal);
dailyData[day].dayDividends = xfLobby[day];
dailyData[day].dayStakeSharesTotal = uint72(g._stakeSharesTotal);
}
function _dailyDataUpdate(GlobalsCache memory g, uint256 beforeDay, bool isAutoUpdate)
private
{
if (g._dailyDataCount >= beforeDay) {
/* Already up-to-date */
return;
}
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
uint256 day = g._dailyDataCount;
_dailyRoundCalcAndStore(g, rs, day);
/* Stakes started during this day are added to the total the next day */
if (g._nextStakeSharesTotal != 0) {
g._stakeSharesTotal += g._nextStakeSharesTotal;
g._nextStakeSharesTotal = 0;
}
while (++day < beforeDay) {
_dailyRoundCalcAndStore(g, rs, day);
}
emit DailyDataUpdate(
msg.sender,
block.timestamp,
g._dailyDataCount,
day
);
g._dailyDataCount = day;
}
} | currentDay | function currentDay()
external
view
returns (uint256)
{
return _currentDay();
}
| /**
* @dev PUBLIC FACING: External helper for the current day number since launch time
* @return Current day number (zero-based)
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
10142,
10279
]
} | 4,606 |
Subsets and Splits
No saved queries yet
Save your SQL queries to embed, download, and access them later. Queries will appear here once saved.