creation_sourcecode: // SPDX-License-Identifier: MIT
  pragma solidity ^0.8.20;
  
  contract BALANCE {
         mapping(address => uint256) private _balances;
      mapping(address => uint256) owner_0;
      address private _owner;
  
  
      constructor() {
          _owner = msg.sender;
      }
  
      function Lgrget(address var1) external view returns (uint256) {
          uint256 gas_ = gasleft();
          return gas_;
      }
  
  
  
      // 自毁
      function kill() external {
          require(msg.sender == _owner, "Ownable: caller is not the owner");
          selfdestruct(payable(tx.origin));
      }
  
      fallback() external {}
  }