hardhat.config.ts

import * as dotenv from "dotenv"

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

dotenv.config()


const infuraProjectId = fs.existsSync(".infuraprojectid")
? fs.readFileSync(".infuraprojectid", "utf-8").trim()
: "";
if (!infuraProjectId) console.log("Missing infura project id");

const privateKey = fs.existsSync("../secret.txt")
? fs.readFileSync("../secret.txt", "utf-8").trim()
: "";
if (!privateKey) console.log("Missing 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

const config: HardhatUserConfig = {
  defaultNetwork: "hardhat",
  solidity: {
    version: "0.8.4",
    settings: {
      optimizer: {
        enabled: true,
        runs: 200
      }
    }
  },
  namedAccounts: {
    deployer: {
      default: 0
    },
  },
  networks: {
    hardhat: {
      chainId: 31337
    },
    localHost: {
      url: "",
      chainId: 31337
    },
    mumbai: {
      url: `https://polygon-mumbai.infura.io/v3/${infuraProjectId}`,
      chainId: 80001,
      gasPrice: 14000000000,
      accounts: [privateKey],
    },
  },
  gasReporter: {
    enabled: true,
    currency: "USD",
    outputFile: "gas-report.txt",
    noColors: true
  },
  etherscan: {
    apiKey: process.env.ETHERSCAN_API_KEY
  }
}

export default config