hardhat.config.ts

import { task } from "hardhat/config";
import "@nomiclabs/hardhat-waffle";
import '@typechain/hardhat';
import '@nomiclabs/hardhat-ethers';
import 'hardhat-contract-sizer';
import dotenv from 'dotenv';

dotenv.config();

const INFURA_KEY = process.env.INFURA_KEY;
// Replace this private key with your account private key
// To export your private key from Metamask, open Metamask and
// go to Account Details > Export Private Key
// Be aware of NEVER putting real Ether into testing accounts
const PRIVATE_KEY = process.env.PRIVATE_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 (taskArgs, hre) => {
  const accounts = await hre.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
 */
export default {
  solidity: {
    compilers: [
        {
            version: "0.8.4",
            settings: {
                metadata: {
                    bytecodeHash: "none",
                },
                optimizer: {
                    enabled: true,
                    runs: 1337,
                },
            },
        },
    ],
    settings: {
        outputSelection: {
            "*": {
                "*": ["storageLayout"],
            },
        },
    },
  },
  paths: {
    artifacts: "build/artifacts",
    cache: "build/cache",
    deploy: "src/deploy",
    sources: "contracts",
  },
  contractSizer: {
    alphaSort: true,
    disambiguatePaths: false,
    runOnCompile: true,
    strict: true,
  },
  networks: {
    localhost: {
      url:' http://127.0.0.1:8545/'
    },
    rinkeby: {
      url: `https://rinkeby.infura.io/v3/${INFURA_KEY}`,
      accounts: [`0x${PRIVATE_KEY}`]
    },
    /*
    ropsten: {
      url: `https://ropsten.infura.io/v3/${INFURA_KEY}`,
      accounts: [`0x${PRIVATE_KEY}`]
    },
    kovan: {
      url: `https://kovan.infura.io/v3/${INFURA_KEY}`,
      accounts: [`0x${PRIVATE_KEY}`]
    }*/
  },
};