hardhat.config.js

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

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);
  }
});

const privateKey = process.env.PRIVATE_KEY || "";
const privateKeyArray = privateKey.split(',')
const ProjectId = process.env.PROJECT_ID;

module.exports = {
  solidity: "0.8.4",
  settings: {
    optimizer: {
        enabled: true,
        runs: 1000000,
    }
  },
  mocha: {
    timeout: 100000
  },
  paths:{
    artifacts: "./app/src/build",
    tests: "./test",
  },
  networks:{
    // ganache: {
    //   url: "http://127.0.0.1:8545",
    //   chainId: 1337,
    //   accounts: [""]
    // },
    // hardhat:{
    //   chainId: 1337,
    //   // gas: "auto",
    //   // gasPrice: "auto",
    //   // blockGasLimit: 100000000429720,
    // },
    // mumbai:{
    //   url: `https://polygon-mumbai.g.alchemy.com/v2/${ProjectId}`,
    //   accounts: privateKeyArray
    // }
    // rinkeby:{
    //   url: `https://rinkeby.infura.io/v3/${ProjectId}`,
    //   accounts: privateKeyArray,
    // }
  }
};