hardhat.config.js

const { task } = require("hardhat/config");

require("@nomiclabs/hardhat-waffle");
require("solidity-coverage");
require("@nomiclabs/hardhat-etherscan");

// This is a sample Hardhat task. To learn how to create your own go to
// https://hardhat.org/guides/create-task.html
task("accounts", "Prints the list of accounts", async (taskArgs, hre) => {
  const accounts = await hre.ethers.getSigners();

  for (const account of accounts) {
    console.log(account.address);
  }
});

task("toRopsten", "Deploys all contracts to Ropsten")
  .addParam("privateKey", "Please provide the private key")
  .setAction(async ({ privateKey }) => {
    const deployAll = require("./scripts/toRopsten");
    await deployAll();
  });

task('verifying','submit byte code').setAction(async ()=>{
  const verify = require('./scripts/ropstenVerify');
  await verify();
})

// You need to export an object to set up your config
// Go to https://hardhat.org/config/ to learn more

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
module.exports = {
  solidity: "0.8.4",
  networks: {
    ropsten: {
      url: "https://ropsten.infura.io/v3/40c2813049e44ec79cb4d7e0d18de173",
      accounts: [
        "b9421368da3b12a9fafffd6bac224f5cbabead9a73a9097c03da911302e39bd4",
      ],
    },
  },
  etherscan: {
    // Your API key for Etherscan
    // Obtain one at https://etherscan.io/
    apiKey: "CHIRAADNUI814XIT9ST36R63UFNBNDKBDY"
  },
};