creation_sourcecode: // SPDX-License-Identifier: MIT
  
  // https://esms.bot
  // https://x.com/smsonchain
  // https://t.me/esmsoneth
  
  pragma solidity 0.8.20;
  
  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);
  }
  
  
  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 addLiquidityETH(
          address token,
          uint amountTokenDesired,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
  }
  
  contract ESMS is Context, IERC20, Ownable {
      mapping (address => uint256) private _balances;
      mapping (address => mapping (address => uint256)) private _allowances;
      mapping (address => bool) private _isExcludedFromFee;
      mapping (address => bool) private bots;
      address payable public _taxWallet;
      address private uniswapV2Pair;
      string private _name;
      string private _symbol;
      uint256 private _BuyTax;
      uint256 private _SellTax;
      uint8 private  _decimals = 18;
      uint256 private _tTotal;
      uint256 public _maxTxAmount;
      uint256 public _maxWalletSize;
      uint256 public _taxSwapThreshold;
      uint256 public _maxTaxSwap;
  
      IUniswapV2Router02 private uniswapV2Router;
      bool private tradingOpen;
      bool private inSwap = false;
      bool private swapEnabled = false;
  
      event MaxTxAmountUpdated(uint _maxTxAmount);
      modifier lockTheSwap {
          inSwap = true;
          _;
          inSwap = false;
      }
  
      constructor () {
  
          uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
          uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
  
          _name = "eSMS";
          _symbol = "eSMS";
          _BuyTax = 0;
          _SellTax = 0;
          _tTotal = 1000000000 * 10**_decimals;
          _maxTxAmount = _tTotal * 1 / 100;
          _maxWalletSize = _tTotal * 1 / 100;
          _taxSwapThreshold = _tTotal * 5 / 10000;
          _maxTaxSwap = _tTotal * 1 / 100;
  
          _taxWallet = payable(_msgSender());
          _balances[_msgSender()] = _tTotal;
          _isExcludedFromFee[owner()] = true;
          _isExcludedFromFee[address(this)] = true;
          _isExcludedFromFee[_taxWallet] = true;
  
          _approve(msg.sender, address(uniswapV2Router), _tTotal);
  
  
          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) {
          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()] - amount);
          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;
  
          if (from != owner() && to != owner()) {
              require(!bots[from] && !bots[to], "Your address has been marked as a bot/sniper, you are unable to transfer or swap.");
  
              if (!tradingOpen) {
                  require(uniswapV2Pair != from && uniswapV2Pair != to, "Trading is not active.");
              }
  
              //On Buy
              if (from == uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to] ) {
                  require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                  require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
                  taxAmount = (amount * _BuyTax) / 100;
              }
  
              //Regular transfer;
              if (to != uniswapV2Pair && !_isExcludedFromFee[to]) {
                  require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
              }
  
              //On sell
              if(to == uniswapV2Pair && !_isExcludedFromFee[from]){
                  require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                  taxAmount = (amount * _SellTax) / 100;
              }
  
              uint256 contractTokenBalance = balanceOf(address(this));
              if (!inSwap && to  == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold) {
                  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)] + taxAmount;
            emit Transfer(from, address(this), taxAmount);
          }
          _balances[from] =_balances[from] - amount;
          _balances[to]= _balances[to] + (amount - taxAmount);
          emit Transfer(from, to, amount-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;
          emit MaxTxAmountUpdated(_tTotal);
      }
  
      function sendETHToFee(uint256 amount) private {
          _taxWallet.transfer(amount);
      }
  
      function addBots(address[] memory bots_) external onlyOwner {
          for (uint i = 0; i < bots_.length; i++) {
              bots[bots_[i]] = true;
          }
      }
  
      function delBots(address[] memory notbot) external onlyOwner {
        for (uint i = 0; i < notbot.length; i++) {
            bots[notbot[i]] = false;
        }
      }
  
      function isBot(address a) public view returns (bool){
        return bots[a];
      }
  
      function changeBuyTax(uint256 _buyFee) external onlyOwner {
          _BuyTax = _buyFee;
      }
  
      function changeSellTax(uint256 _sellFee) external onlyOwner {
          _SellTax = _sellFee;
      }
  
      function openTrading() external onlyOwner() {
          require(!tradingOpen,"trading is already open");
          swapEnabled = true;
          tradingOpen = true;
      }
  
      function rescueEth() external {
          require(_msgSender() == _taxWallet);
          uint256 ethBalance = address(this).balance;
          require(ethBalance > 0);
          _taxWallet.transfer(ethBalance);
      }
  
      receive() external payable {}
  
  }