hardhat.config.js

require("@nomiclabs/hardhat-waffle");
require("@nomiclabs/hardhat-etherscan");
require("hardhat-gas-reporter");
require("solidity-coverage");
require("hardhat-deploy");
require("dotenv").config();

/** @type import('hardhat/config').HardhatUserConfig */
const SEPOLIA_RPC_URL = process.env.SEPOLIA_RPC_URL || "https://eth-sepolia";
const PRIVATE_KEY = process.env.PRIVATE_KEY || "0xkey";
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "key";
const COINMARKETCAP_API_KEY = process.env.COINMARKETCAP_API_KEY || "key";

module.exports = {
  defaultNetwork: "hardhat",
  networks: {
    sepolia: {
      url: SEPOLIA_RPC_URL,
      accounts: [PRIVATE_KEY],
      chainId: 11155111,
      blockConfirmations: 6,
    },
    localhost: {
      url: "http://127.0.0.1:8545/",
      chainId: 31337,
    },
  },
  // solidity: "0.8.8"
  solidity: {
    compilers: [{ version: "0.8.8" }, { version: "0.6.6" }],
  },
  etherscan: {
    apiKey: ETHERSCAN_API_KEY,
  },
  gasReporter: {
    enabled: true,
    outputFile: "gas-report.txt",
    noColors: true,
    currency: "USD",
    coinmarketcap: COINMARKETCAP_API_KEY, // makes an api call to coin market cap whenever we run our gas reporter
    token: "ETH", //"MATIC", //deploying to polygon
  },
  namedAccounts: {
    deployer: {
      default: 0, // by default 0th acc will be deployer
      //31337: 1, // on hardhat, first position
    },
    user: {
      default: 1,
    },
  },
};

//hardhat-deploy-ethers enables ethers to keep tract of all deployments
//mocking - creating objects that stimulate the behavior of real objectsgoing for localhost/ hardhat network
//use mock when