hello.ts

import { expect } from "chai";
import { Contract, Signer } from "ethers";
import { ethers } from "hardhat";
import { deployOrGetAt, getEoaOrPrivateKey } from "./utils";

let accounts: Signer[];
let eoa: Signer;
let eoaAddress: string;
let attacker: Contract;
let setup: Contract; // setup contract
let tx: any;

before(async () => {
  eoa = await getEoaOrPrivateKey(
    `0xa3191e29dbd73c676d1feae2649272fa39068ebfa1994504235fcd9aad9a78a6`
  );
  eoaAddress = await eoa.getAddress();

  setup = await deployOrGetAt(
    `contracts/hello/public/contracts/Setup.sol:Setup`,
    `0x03DE7d9E43Be8Eb0fb539cD310996e3645cC9dfb`,
    eoa,
  );
});

it("solves the challenge", async function () {
  const helloAddr = await setup.hello();
  const hello = await ethers.getContractAt(`Hello`, helloAddr, eoa);
  tx = await hello.solve();
  await tx.wait();

  const solved = await setup.isSolved();
  expect(solved).to.be.true;
});