launchpad_contract/tasks/balance.ts

import "@nomiclabs/hardhat-web3";
import { task } from "hardhat/config";

task("balance", "Prints an account's balance")
    .addParam("account", "The account's address")
    .setAction(async (taskArgs, { web3 }) => {
        const account = web3.utils.toChecksumAddress(taskArgs.account);
        const balance = await web3.eth.getBalance(account);

        console.log(web3.utils.fromWei(balance, "ether"), "ETH");
    });

export default {
    solidity: "0.8.4",
};