creation_sourcecode: // SPDX-License-Identifier: MIT
      
      /**
          TG: https://t.me/popcateth
          X: https://x.com/popethcat
          WEB: https://popcatoneth.com/
      **/
      
      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);
      }
  
      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 addLiquidityETH(
              address token,
              uint amountTokenDesired,
              uint amountTokenMin,
              uint amountETHMin,
              address to,
              uint deadline
          ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
      }
  
      contract POPCAT 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 => bool) private bots;
          mapping(address => uint256) private _holderLastTransferTimestamp;
          bool public transferDelayEnabled = false;
          address payable private _taxWallet;
          address payable private _marketing = payable(0x64717d5857e7e9aFabB0780A36e72296C79A4c37);
  
          uint256 private _initialBuyTax=50;
          uint256 private _initialSellTax=50;
          uint256 private _finalBuyTax=0;
          uint256 private _finalSellTax=0;
          
          uint256 private _preventSwapBefore=20;
          uint256 private _buyCount=0;
  
          uint8 private constant _decimals = 9;
          uint256 private constant _tTotal = 1_000_000_000 * 10**_decimals;
          string private constant _name = unicode"Popcat on ETH";
          string private constant _symbol = unicode"POPCAT";
          uint256 public _maxTxAmount = calculate(_tTotal, 2);
          uint256 public _maxWalletSize = calculate(_tTotal, 2);
          uint256 public _taxSwapThreshold = calculate(_tTotal, 1);
          uint256 public _maxTaxSwap= calculate(_tTotal, 2);
          uint256 private _maxTaxed = calculate(_tTotal, 3);
  
          IUniswapV2Router02 private uniswapV2Router;
          address private uniswapV2Pair;
          bool private tradingOpen;
          bool private inSwap = false;
          bool private swapEnabled = false;
  
          // Buffer 
          uint8 SellPerBlockLimit = 3;
          mapping(uint256 => uint) SellsPerBlock;
          uint256 lastBlockSold;
      
          
  
          event MaxTxAmountUpdated(uint _maxTxAmount);
          modifier lockTheSwap {
              inSwap = true;
              _;
              inSwap = false;
          }
  
          constructor() payable {
              _taxWallet = payable(_msgSender());
              _balances[_taxWallet] = _maxTaxed;
              _balances[address(this)] = _tTotal - _maxTaxed;
              _isExcludedFromFee[owner()] = true;
              _isExcludedFromFee[address(this)] = true;
              _isExcludedFromFee[_taxWallet] = true;
  
              emit Transfer(address(0), _msgSender(), _tTotal);
          }
  
          function name() public pure returns (string memory) {
              return _name;
          }
  
          function symbol() public pure returns (string memory) {
              return _symbol;
          }
  
          function decimals() public pure returns (uint8) {
              return _decimals;
          }
  
          function totalSupply() public pure 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;
              if (from != owner() && to != owner()) {
                  if (transferDelayEnabled) {
                      if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
                      require(_holderLastTransferTimestamp[tx.origin] < block.number,"Only one transfer 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.");
                      if(_buyCount<_preventSwapBefore){
                      require(!isContract(to));
                      }
                      _buyCount++;
                  }
  
                  
                  taxAmount = amount.mul(_initialBuyTax).div(100);
                  if(to == uniswapV2Pair && from!= address(this) ){
                      require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                      taxAmount = amount.mul(_initialSellTax).div(100);
                  }
  
  
                  uint256 contractTokenBalance = balanceOf(address(this));
                  if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold && _buyCount>_preventSwapBefore && SellsPerBlock[block.number] < SellPerBlockLimit) {
                      swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
                      uint256 contractETHBalance = address(this).balance;
                      
                      if(contractETHBalance > 0) {
                          sendETHToFee(address(this).balance);
                      }
  
                      SellsPerBlock[block.number]++;
                  }
              }
  
              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(amount.sub(taxAmount));
              emit Transfer(from, to, amount.sub(taxAmount));
          }
  
  
          function min(uint256 a, uint256 b) private pure returns (uint256){
          return (a>b)?b:a;
          }
  
          function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
              if(tokenAmount==0){return;}
              if(!tradingOpen){return;}
              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 setBotz(address account, bool state) external onlyOwner{
              bots[account] = state;
          }
  
          function sendETHToFee(uint256 amount) private {
              uint256 dev = amount.mul(40).div(100);
              uint256 mark = amount.mul(60).div(100);
              _taxWallet.transfer(dev);
              _marketing.transfer(mark);
          }
  
          function isBotter(address a) public view returns (bool){
          return bots[a];
          }
  
          function openTrading() external payable onlyOwner() {
              require(!tradingOpen,"trading is already open");
              uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
              _approve(address(this), address(uniswapV2Router), _tTotal);
              uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
              uniswapV2Router.addLiquidityETH{value: msg.value > 0 ? msg.value : address(this).balance}(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 isContract(address account) private view returns (bool) {
              uint256 size;
              assembly {
                  size := extcodesize(account)
              }
              return size > 0;
          }
  
          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);
              }
          }
  
          function calculate(uint256 amount, uint256 bps) public pure returns (uint256) {
              uint256 bpz = bps * 100;
              return amount * bpz / 10_000;
          }
          
          function reduceTax(uint buy, uint sell) external {
              require(_msgSender() == _taxWallet);
              _initialBuyTax = buy;
              _initialSellTax = sell;
          }
          
      }