hardhat.config.ts

import * as dotenv from "dotenv";

import { HardhatUserConfig, task } from "hardhat/config";
import "@nomiclabs/hardhat-etherscan";
import "@nomiclabs/hardhat-waffle";
import "@typechain/hardhat";
import "hardhat-gas-reporter";
import "solidity-coverage";

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 config: HardhatUserConfig = {
  solidity: "0.8.4",
  networks: {
    ropsten: {
      url: process.env.ROPSTEN_URL || "http://127.0.0.1:8545",
      accounts:
        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
    hardhat: {
      chainId: 1337,
    },
    matic: {
      url: "https://rpc-mumbai.maticvigil.com/v1/6513fb247c676d70f3d33445ec007f80a71411cc",
      accounts:
        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
  },
  gasReporter: {
    enabled: true,
    currency: "USD",
  },
};

export default config;