hardhat.config.ts

import { HardhatUserConfig } from "hardhat/config"
import "hardhat-deploy"
import "hardhat-gas-reporter"
import "hardhat-contract-sizer"
import "@nomicfoundation/hardhat-toolbox"
import "@nomiclabs/hardhat-etherscan"
import "@typechain/hardhat"
import "solidity-coverage"
import * as dotenv from "dotenv"

dotenv.config()

const GOERLI_RPC_URL =
    process.env.GOERLI_RPC_URL ||
    "https://eth-goerli.alchemyapi.io/v2/your-api-key"
const PRIVATE_KEY = process.env.PRIVATE_KEY
const ETHERSCAN_API_KEY =
    process.env.ETHERSCAN_API_KEY || "Your etherscan API key"
const COINMARKETCAP_API_KEY = process.env.COINMARKETCAP_API_KEY || "key"

const config: HardhatUserConfig = {
    defaultNetwork: "hardhat",
    networks: {
        hardhat: {
            chainId: 31337,
        },
        localhost: {
            chainId: 31337,
        },
        goerli: {
            url: GOERLI_RPC_URL,
            accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
            saveDeployments: true,
            chainId: 5,
        },
    },
    etherscan: {
        // yarn hardhat verify --network <NETWORK> <CONTRACT_ADDRESS> <CONSTRUCTOR_PARAMETERS>
        apiKey: {
            goerli: ETHERSCAN_API_KEY,
        },
    },
    gasReporter: {
        enabled: process.env.REPORT_GAS !== undefined,
        currency: "USD",
        outputFile: "gas-report.txt",
        noColors: true,
        coinmarketcap: COINMARKETCAP_API_KEY,
    },
    contractSizer: {
        runOnCompile: false,
        only: [],
    },
    namedAccounts: {
        deployer: {
            default: 0, // here this will by default take the first account as deployer
            1: 0, // similarly on mainnet it will take the first account as deployer. Note though that depending on how hardhat network are configured, the account 0 on one network can be different than on another
        },
        feeCollector: {
            default: 1,
        },
    },
    solidity: {
        compilers: [{ version: "0.8.17" }],
    },
    mocha: {
        timeout: 200000, // 200 seconds max for running tests
    },
    typechain: {
        outDir: "typechain",
        target: "ethers-v5",
    },
}

export default config