hardhat.config.js

require("@nomiclabs/hardhat-waffle");
require('dotenv').config();

const rinkeby_private_key = process.env.RINKEBY_PRIVATE_KEY;
const api_key = process.env.ALCHEMY_API_KEY;

// 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 () => {
  const accounts = await ethers.getSigners();

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

// 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: "0.8.3",
  paths: {
    artifacts: './artifacts',
  },
  networks: {
    rinkeby: {
      url: `https://eth-rinkeby.alchemyapi.io/v2/${api_key}`,
      accounts: [`0x${rinkeby_private_key}`]


    }
  }
};