mkdir sample-contracts

cd sample-contracts

npm install --save-dev hardhat

npx hardhat

# 作成したディレクトリをVSCodeなどのエディターで立ち上げる

# Contracts WizardでERC20コントラクトを作成 → VSCodeに貼り付け

https://www.openzeppelin.com/contracts

# ファイル名をコントラクト名に合わせて変更

# @openzeppelin/contractsをインストール

npm install @openzeppelin/contracts

import { ethers } from "hardhat";

async function main() {
  // const currentTimestampInSeconds = Math.round(Date.now() / 1000);
  // const unlockTime = currentTimestampInSeconds + 60;

  // const lockedAmount = ethers.utils.parseEther("0.001");

  // const Lock = await ethers.getContractFactory("Lock");
  // const lock = await Lock.deploy(unlockTime, { value: lockedAmount });
  const PokoCoin = await ethers.getContractFactory("PokoCoin");
  const contract = await PokoCoin.deploy();

  // await lock.deployed();
  await contract.deployed();

  console.log(
    // `Lock with ${ethers.utils.formatEther(lockedAmount)}ETH and unlock timestamp ${unlockTime} deployed to ${lock.address}`
    `Deployed to ${contract.address}`
  );
}

// We recommend this pattern to be able to use async/await everywhere
// and properly handle errors.
main().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});