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MagicNumber

题目源码​

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

contract MagicNum {

  address public solver;

  constructor() public {}

  function setSolver(address _solver) public {
    solver = _solver;
  }

  /*
    ____________/\\\_______/\\\\\\\\\_____
     __________/\\\\\_____/\\\///////\\\___
      ________/\\\/\\\____\///______\//\\\__
       ______/\\\/\/\\\______________/\\\/___
        ____/\\\/__\/\\\___________/\\\//_____
         __/\\\\\\\\\\\\\\\\_____/\\\//________
          _\///////////\\\//____/\\\/___________
           ___________\/\\\_____/\\\\\\\\\\\\\\\_
            ___________\///_____\///////////////__
  */
}

题目要求​

这道题目需要你用汇编编写一个微型合约部署到链上，合约要求whatIsTheMeaningOfLife()要求返回一个正确的数字，合约的runtime opcodes最多只能有 10 个操作码

题目分析​

直接参考社区大神的解法吧: Ethernaut Lvl 19 MagicNumber Walkthrough