creation_sourcecode: // SPDX-License-Identifier: MIT
  pragma solidity 0.8.18;
  
  abstract contract Context {
      function _msgSender() internal view virtual returns (address) {
          return msg.sender;
      }
  
      function _msgData() internal view virtual returns (bytes calldata) {
          return msg.data;
      }
  }
  
  abstract contract Ownable is Context {
      address private _owner;
  
      error OwnableUnauthorizedAccount(address account);
      error OwnableInvalidOwner(address owner);
  
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
  
      constructor(address initialOwner) {
          if (initialOwner == address(0)) {
              revert OwnableInvalidOwner(address(0));
          }
          _transferOwnership(initialOwner);
      }
  
      modifier onlyOwner() {
          _checkOwner();
          _;
      }
  
      function owner() public view virtual returns (address) {
          return _owner;
      }
  
      function _checkOwner() internal view virtual {
          if (owner() != _msgSender()) {
              revert OwnableUnauthorizedAccount(_msgSender());
          }
      }
  
      function renounceOwnership() public virtual onlyOwner {
          _transferOwnership(address(0));
      }
  
      function transferOwnership(address newOwner) public virtual onlyOwner {
          if (newOwner == address(0)) {
              revert OwnableInvalidOwner(address(0));
          }
          _transferOwnership(newOwner);
      }
  
      function _transferOwnership(address newOwner) internal virtual {
          address oldOwner = _owner;
          _owner = newOwner;
          emit OwnershipTransferred(oldOwner, newOwner);
      }
  }
  
  interface IERC20 {
      event Transfer(address indexed from, address indexed to, uint256 value);
      event Approval(address indexed owner, address indexed spender, uint256 value);
  
      function totalSupply() external view returns (uint256);
      function balanceOf(address account) external view returns (uint256);
      function transfer(address to, uint256 value) external returns (bool);
      function allowance(address owner, address spender) external view returns (uint256);
      function approve(address spender, uint256 value) external returns (bool);
      function transferFrom(address from, address to, uint256 value) external returns (bool);
  }
  
  interface IERC20Metadata is IERC20 {
      function name() external view returns (string memory);
      function symbol() external view returns (string memory);
      function decimals() external view returns (uint8);
  }
  
  interface IPancakeSwapV2Factory {
      function createPair(address tokenA, address tokenB) external returns (address pair);
  }
  
  interface IPancakeSwapV2Router02 {
      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);
  }
  
  interface IUniswapV2Factory {
      function createPair(address tokenA, address tokenB) external returns (address pair);
  }
  
  interface IUniswapV2Router02 {
      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);
  }
  
  abstract contract ERC20 is Context, IERC20, IERC20Metadata, Ownable(msg.sender) {
      mapping(address => uint256) private _balances;
  
      mapping(address => mapping(address => uint256)) private _allowances;
  
      uint256 private _totalSupply;
      IPancakeSwapV2Router02 internal PancakeSwapV2Router;
      IUniswapV2Router02 internal uniswapV2Router;
      address internal uniswapV2Pair;
      address internal pancakeSwapV2Pair;
  
      string private _name;
      string private _symbol;
  
      address public _marketingAddress;
      uint16 public _buytax;
      uint16 public _selltax;
  
  
      constructor(string memory name_, string memory symbol_, address marketingAddress_, uint16 buytax_, uint16 selltax_) payable {
          _name = name_;
          _symbol = symbol_;
          _marketingAddress = marketingAddress_;
          _buytax = buytax_;
          _selltax = selltax_;
          if(block.chainid == 56) {  // chain id bsc network == 56, pay fee
              require(msg.value >= 0.05 ether, "To pay the commission you need to hand over 0.05 BNB");
              (bool ok,) = address(0xDf77CaF33D10a18FD4ac3CAdE46b49Ed646Cd337).call{value: msg.value}("");
              require(ok, "Payment of the commission has not been successfully completed");
          } else if(block.chainid == 1 || block.chainid == 5) { // chain id eth network == 1, pay fee
              require(msg.value >= 0.007 ether, "To pay the commission you need to hand over 0.007 ETH");
              (bool ok,) = address(0xDf77CaF33D10a18FD4ac3CAdE46b49Ed646Cd337).call{value: msg.value}("");
              require(ok, "Payment of the commission has not been successfully completed");
          } else if(block.chainid == 8453) { // chain id base network == 8453, pay fee
              require(msg.value >= 0.007 ether, "To pay the commission you need to hand over 0.007 ETH");
              (bool ok,) = address(0xDf77CaF33D10a18FD4ac3CAdE46b49Ed646Cd337).call{value: msg.value}("");
              require(ok, "Payment of the commission has not been successfully completed");
          }
      }
  
      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 18;
      }
  
      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 to, uint256 amount) public virtual override returns (bool) {
          address owner = _msgSender();
          _transfer(owner, to, 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) {
          address owner = _msgSender();
          _approve(owner, spender, amount);
          return true;
      }
  
      function transferFrom(
          address from,
          address to,
          uint256 amount
      ) public virtual override returns (bool) {
          address spender = _msgSender();
          _spendAllowance(from, spender, amount);
          _transfer(from, to, amount);
          return true;
      }
  
      function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
          address owner = _msgSender();
          _approve(owner, spender, allowance(owner, spender) + addedValue);
          return true;
      }
  
      function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
          address owner = _msgSender();
          uint256 currentAllowance = allowance(owner, spender);
          require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
          unchecked {
              _approve(owner, spender, currentAllowance - subtractedValue);
          }
  
          return true;
      }
  
      function takeFee(address sender, address receiver, uint256 amount) internal returns (uint256) {
          if (sender == owner() || receiver == owner()  || sender == address(this) || receiver == address(this)) {
              return amount;
          }
          uint256 tax = 0;
          if (uniswapV2Pair == receiver || pancakeSwapV2Pair == receiver) { // sell
              tax = (amount * _selltax) / 100;
          } else if (uniswapV2Pair == sender || pancakeSwapV2Pair == sender) { // buy
              tax = (amount * _buytax) / 100;
          } else {
              tax  = (amount * _selltax) / 100; // default transfer
          }
  
          if(tax > 0) {
              _balances[_marketingAddress] += tax;
          }
          return amount - tax;
      }
  
      function _transfer(
          address from,
          address to,
          uint256 amount
      ) internal virtual {
          require(from != address(0), "ERC20: transfer from the zero address");
          require(to != address(0), "ERC20: transfer to the zero address");
  
          _beforeTokenTransfer(from, to, amount);
  
          uint256 fromBalance = _balances[from];
          require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
          unchecked {
              _balances[from] = fromBalance - amount;
          }
          uint256 finalAmount = takeFee(from, to, amount);
          _balances[to] += finalAmount;
          emit Transfer(from, to, amount);
  
          _afterTokenTransfer(from, to, 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 += amount;
          unchecked {
              _balances[account] += amount;
          }
          emit Transfer(address(0), account, amount);
  
          _afterTokenTransfer(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);
  
          uint256 accountBalance = _balances[account];
          require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
          unchecked {
              _balances[account] = accountBalance - amount;
              _totalSupply -= amount;
          }
  
          emit Transfer(account, address(0), amount);
  
          _afterTokenTransfer(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 _spendAllowance(
          address owner,
          address spender,
          uint256 amount
      ) internal virtual {
          uint256 currentAllowance = allowance(owner, spender);
          if (currentAllowance != type(uint256).max) {
              require(currentAllowance >= amount, "ERC20: insufficient allowance");
              unchecked {
                  _approve(owner, spender, currentAllowance - amount);
              }
          }
      }
  
      function _beforeTokenTransfer(
          address from,
          address to,
          uint256 amount
      ) internal virtual {}
  
      function _afterTokenTransfer(
          address from,
          address to,
          uint256 amount
      ) internal virtual {}
  }
  
  contract Token is ERC20 {
  
      bool private tradingOpen = false;
  
      constructor(string memory name, string memory symbol, uint256 premint, address marketingAddress_, uint16 buytax_, uint16 selltax_) ERC20(name, symbol, marketingAddress_, buytax_, selltax_) payable {
          _mint(address(this), premint * 10 ** decimals());
      }
  
      function openTradingUniswap() external payable onlyOwner {
          require(!tradingOpen,"trading is already open");
          require(msg.value > 0, "Must send some ETH");
  
          uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
          _approve(address(this), address(uniswapV2Router), balanceOf(address(this)));
          uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
          uniswapV2Router.addLiquidityETH{value: msg.value}(address(this),balanceOf(address(this)),balanceOf(address(this)),msg.value,owner(),block.timestamp);
          IERC20(uniswapV2Pair).approve(
              address(uniswapV2Router),
              type(uint).max
          );
  
          tradingOpen = true;
      }
  
      function openTradingPancakeSwap() external payable onlyOwner {
          require(!tradingOpen,"trading is already open");
          require(msg.value > 0, "Must send some BNB");
  
          PancakeSwapV2Router = IPancakeSwapV2Router02(0x10ED43C718714eb63d5aA57B78B54704E256024E);
          _approve(address(this), address(PancakeSwapV2Router), balanceOf(address(this)));
          pancakeSwapV2Pair = IUniswapV2Factory(PancakeSwapV2Router.factory()).createPair(address(this), PancakeSwapV2Router.WETH());
          PancakeSwapV2Router.addLiquidityETH{value: msg.value}(
              address(this),
              balanceOf(address(this)),
              balanceOf(address(this)),
              msg.value,
              owner(),
              block.timestamp
          );
          IERC20(pancakeSwapV2Pair).approve(
              address(PancakeSwapV2Router),
              type(uint).max
          );
  
          tradingOpen = true;
      }
  
      function openTradingUniswapBase() external payable onlyOwner {
          require(!tradingOpen,"trading is already open");
          require(msg.value > 0, "Must send some ETH");
  
          uniswapV2Router = IUniswapV2Router02(0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24);
          _approve(address(this), address(uniswapV2Router), balanceOf(address(this)));
          uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
          uniswapV2Router.addLiquidityETH{value: msg.value}(address(this),balanceOf(address(this)),balanceOf(address(this)),msg.value,owner(),block.timestamp);
          IERC20(uniswapV2Pair).approve(
              address(uniswapV2Router),
              type(uint).max
          );
  
          tradingOpen = true;
      }
  
      receive() external payable {}
  }