[Ethernaut] 2. Fallout

Ethernaut level2 의 요구사항

 

오너쉽을 가져오면 된다.

근데 코드를 보면 그냥 Fal1out이라는 함수를 호출하면 된다. 

....? 패스

 

 

level 2 . Fal1out 코드 

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

import 'openzeppelin-contracts-06/math/SafeMath.sol';

contract Fallout {
  
  using SafeMath for uint256;
  mapping (address => uint) allocations;
  address payable public owner;


  /* constructor */
  function Fal1out() public payable {
    owner = msg.sender;
    allocations[owner] = msg.value;
  }

  modifier onlyOwner {
	        require(
	            msg.sender == owner,
	            "caller is not the owner"
	        );
	        _;
	    }

  function allocate() public payable {
    allocations[msg.sender] = allocations[msg.sender].add(msg.value);
  }

  function sendAllocation(address payable allocator) public {
    require(allocations[allocator] > 0);
    allocator.transfer(allocations[allocator]);
  }

  function collectAllocations() public onlyOwner {
    msg.sender.transfer(address(this).balance);
  }

  function allocatorBalance(address allocator) public view returns (uint) {
    return allocations[allocator];
  }
}