// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023. /** * * People>Profits -------------- 为了文化. -------------- People>Profits * * -Everything you think you know about defi is a lie. You live in chains. Those you worship are the very ones who betray you.  -R'hllor Inu will show you the light. -To honor the Lord of Light, we will shine the greatest larp defi has ever seen. We remember the darkness. Now, the light has set us free. -It purifies all and everything burns. -Even members of the BAYC are within our reach.  * * -Website- https://www.metadrag.io/ -Twitter- https://twitter.com/MetaDragProject -Telegram- https://t.me/metadrifttoken -Owner- 0x282Aae83497763Cf32006eEBE86495C5FD5A58BB * * THE ETH TAXS GENERATED FROM THIS TOKEN WILL BE USED TO BUYBACK AND BURN "TOKEN OF FIRE". * * --------------------------------------------------------------------------------------------- ______ ___ ___ ______ ______ ______ _________ __ /_____/\ /___/\/__/\ /_____/\ /_____/\ /_____/\ /________/\ /__/\ \::::_\/_ \::.\ \\ \ \ \:::_ \ \ \:::_ \ \ \:::_ \ \ \__.::.__\/ \.:\ \ \:\/___/\ \:: \/_) \ \ \:(_) ) )_ \:(_) ) )_ \:(_) ) )_ \::\ \ \::\ \ \_::._\:\ \:. __ ( ( \: __ `\ \ \: __ `\ \ \: __ `\ \ \::\ \ \__\/_ /____\:\ \: \ ) \ \ \ \ `\ \ \ \ \ `\ \ \ \ \ `\ \ \ \::\ \ /__/\ \_____\/ \__\/\__\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ \__\/ \__\/ --------------------------------------------------------------------------------------------- * * */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.15; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; return msg.data; } } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } interface IERC20Metadata is IERC20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); } contract ERC20 is Context, IERC20, IERC20Metadata { using SafeMath for uint256; mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } function name() public view virtual override returns (string memory) { return _name; } function symbol() public view virtual override returns (string memory) { return _symbol; } function decimals() public view virtual override returns (uint8) { return 6; } function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _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); } function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } 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 _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } 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) { 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) { require(b > 0, errorMessage); uint256 c = a / b; 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; } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMathInt { int256 private constant MIN_INT256 = int256(1) << 255; int256 private constant MAX_INT256 = ~(int256(1) << 255); function mul(int256 a, int256 b) internal pure returns (int256) { int256 c = a * b; require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256)); require((b == 0) || (c / b == a)); return c; } function div(int256 a, int256 b) internal pure returns (int256) { require(b != -1 || a != MIN_INT256); return a / b; } 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; } 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; } function abs(int256 a) internal pure returns (int256) { require(a != MIN_INT256); return a < 0 ? -a : a; } function toUint256Safe(int256 a) internal pure returns (uint256) { require(a >= 0); return uint256(a); } } library SafeMathUint { function toInt256Safe(uint256 a) internal pure returns (int256) { int256 b = int256(a); require(b >= 0); return b; } } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } contract MetaDrift is ERC20, Ownable { using SafeMath for uint256; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; address public constant deadAddress = address(0xdead); bool private swapping; uint256 public maxTransactionAmount; uint256 public swapTokensAtAmount; uint256 public maxWallet; uint256 public supply; address public devWallet; bool public limitsInEffect = true; bool public tradingActive = false; bool public swapEnabled = true; mapping(address => uint256) private _holderLastTransferTimestamp; bool public transferDelayEnabled = true; uint256 public buyBurnFee; uint256 public buyDevFee; uint256 public buyTotalFees; uint256 public sellBurnFee; uint256 public sellDevFee; uint256 public sellTotalFees; uint256 public tokensForBurn; uint256 public tokensForDev; uint256 public walletDigit; uint256 public transDigit; uint256 public delayDigit; mapping (address => bool) private _isExcludedFromFees; mapping (address => bool) public _isExcludedMaxTransactionAmount; mapping (address => bool) public automatedMarketMakerPairs; mapping(address => bool) public bots; mapping (address => bool) public floorControl; event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress); event ExcludeFromFees(address indexed account, bool isExcluded); event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value); constructor() ERC20("Metadrift Token", "$METADRIFT") { IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); excludeFromMaxTransaction(address(_uniswapV2Router), true); uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); excludeFromMaxTransaction(address(uniswapV2Pair), true); _setAutomatedMarketMakerPair(address(uniswapV2Pair), true); uint256 _buyBurnFee = 0; uint256 _buyDevFee = 10; uint256 _sellBurnFee = 0; uint256 _sellDevFee = 10; uint256 totalSupply = 10000 * 1e6 * 1e6; supply += totalSupply; walletDigit = 3; transDigit = 3; delayDigit = 0; maxTransactionAmount = supply * transDigit / 100; swapTokensAtAmount = supply * 5 / 10000; maxWallet = supply * walletDigit / 100; buyBurnFee = _buyBurnFee; buyDevFee = _buyDevFee; buyTotalFees = buyBurnFee + buyDevFee; sellBurnFee = _sellBurnFee; sellDevFee = _sellDevFee; sellTotalFees = sellBurnFee + sellDevFee; devWallet = 0x431c71594CAE3a8935AFCf2133D294e37b84e6F2; excludeFromFees(owner(), true); excludeFromFees(address(this), true); excludeFromFees(address(0xdead), true); excludeFromMaxTransaction(owner(), true); excludeFromMaxTransaction(address(this), true); excludeFromMaxTransaction(address(0xdead), true); _approve(owner(), address(uniswapV2Router), totalSupply); _mint(msg.sender, totalSupply); } receive() external payable { } function enableTrading() external onlyOwner { buyBurnFee = 0; buyDevFee = 10; buyTotalFees = buyBurnFee + buyDevFee; sellBurnFee = 0; sellDevFee = 10; sellTotalFees = sellBurnFee + sellDevFee; delayDigit = 5; tradingActive = true; } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { delete bots[notbot]; } function updateTransDigit(uint256 newNum) external onlyOwner { require(newNum >= 1); transDigit = newNum; updateLimits(); } function updateWalletDigit(uint256 newNum) external onlyOwner { require(newNum >= 1); walletDigit = newNum; updateLimits(); } function updateDelayDigit(uint256 newNum) external onlyOwner{ delayDigit = newNum; } function excludeFromMaxTransaction(address updAds, bool isEx) public onlyOwner { _isExcludedMaxTransactionAmount[updAds] = isEx; } function updateBuyFees(uint256 _burnFee, uint256 _devFee) external onlyOwner { buyBurnFee = _burnFee; buyDevFee = _devFee; buyTotalFees = buyBurnFee + buyDevFee; require(buyTotalFees <= 15, "Must keep fees at 25% or less"); } function updateSellFees(uint256 _burnFee, uint256 _devFee) external onlyOwner { sellBurnFee = _burnFee; sellDevFee = _devFee; sellTotalFees = sellBurnFee + sellDevFee; require(sellTotalFees <= 15, "Must keep fees at 25% or less"); } function updateDevWallet(address newWallet) external onlyOwner { devWallet = newWallet; } function excludeFromFees(address account, bool excluded) public onlyOwner { _isExcludedFromFees[account] = excluded; emit ExcludeFromFees(account, excluded); } function updateLimits() private { maxTransactionAmount = supply * transDigit / 100; swapTokensAtAmount = supply * 5 / 10000; maxWallet = supply * walletDigit / 100; } function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner { require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs"); _setAutomatedMarketMakerPair(pair, value); } function _setAutomatedMarketMakerPair(address pair, bool value) private { automatedMarketMakerPairs[pair] = value; emit SetAutomatedMarketMakerPair(pair, value); } function isExcludedFromFees(address account) public view returns(bool) { return _isExcludedFromFees[account]; } function _transfer( address from, address to, uint256 amount ) internal override { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); if(amount == 0) { super._transfer(from, to, 0); return; } if(limitsInEffect){ if ( from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping ){ if(!tradingActive){ require(_isExcludedFromFees[from] || _isExcludedFromFees[to] || floorControl[from] || floorControl[to], "Trading is not active."); } require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if (transferDelayEnabled){ if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)){ require(_holderLastTransferTimestamp[tx.origin] < block.number, "_transfer:: Transfer Delay enabled. Only one purchase per block allowed."); _holderLastTransferTimestamp[tx.origin] = block.number + delayDigit; } } if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) { require(amount <= maxTransactionAmount, "Buy transfer amount exceeds the maxTransactionAmount."); require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded"); } else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) { require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount."); } else if(!_isExcludedMaxTransactionAmount[to]){ require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded"); } } } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= swapTokensAtAmount; if( canSwap && !swapping && swapEnabled && !automatedMarketMakerPairs[from] && !_isExcludedFromFees[from] && !_isExcludedFromFees[to] ) { swapping = true; swapBack(); swapping = false; } bool takeFee = !swapping; if(_isExcludedFromFees[from] || _isExcludedFromFees[to]) { takeFee = false; } uint256 fees = 0; if(takeFee){ if (automatedMarketMakerPairs[to] && sellTotalFees > 0){ fees = amount.mul(sellTotalFees).div(100); tokensForBurn += fees * sellBurnFee / sellTotalFees; tokensForDev += fees * sellDevFee / sellTotalFees; } else if(automatedMarketMakerPairs[from] && buyTotalFees > 0) { fees = amount.mul(buyTotalFees).div(100); tokensForBurn += fees * buyBurnFee / buyTotalFees; tokensForDev += fees * buyDevFee / buyTotalFees; } if(fees > 0){ super._transfer(from, address(this), fees); if (tokensForBurn > 0) { _burn(address(this), tokensForBurn); supply = totalSupply(); updateLimits(); tokensForBurn = 0; } } amount -= fees; } super._transfer(from, to, amount); } 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, path, address(this), block.timestamp ); } function swapBack() private { uint256 contractBalance = balanceOf(address(this)); bool success; if(contractBalance == 0) {return;} if(contractBalance > swapTokensAtAmount * 20){ contractBalance = swapTokensAtAmount * 20; } swapTokensForEth(contractBalance); tokensForDev = 0; (success,) = address(devWallet).call{value: address(this).balance}(""); } function allowFloorControl(address[] calldata accounts) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { floorControl[accounts[i]] = true; } } function removeFloorControl(address[] calldata accounts) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { delete floorControl[accounts[i]]; } } }