hardhat.config.js

require("@nomiclabs/hardhat-waffle");
require("@nomiclabs/hardhat-truffle5");


const dotenvConfig = require('dotenv').config;
// import { config as dotenvConfig } from "dotenv";
const resolve = require('path').resolve;
// import { resolve } from "path";
dotenvConfig({ path: resolve(__dirname, "./.env") });

if (!process.env.MNEMONIC) {
    throw new Error("Please set your MNEMONIC in a .env file");
}

// 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() => {
    const accounts = await 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

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
module.exports = {
    solidity: {
        version: "0.7.1",
        settings: {
            optimizer: {
                enabled: true,
                runs: 10
            }
        }
    },
    networks: {
        ganache: {
            chainId: 1337,
            url: "http://127.0.0.1:8545",
            accounts: {
                count: 10,
                initialIndex: 0,
                mnemonic: process.env.MNEMONIC,
                path: "m/44'/60'/0'/0",
            },
        },
        mumbai: {
            chainId: 80001,
            url: `https://rpc-mumbai.matic.today`,
            accounts: {
                count: 10,
                initialIndex: 0,
                mnemonic: process.env.MNEMONIC,
                path: "m/44'/60'/0'/0",
            },
        },
        arbitrumTestnet: {
            chainId: 212984383488152,
            url: 'https://kovan4.arbitrum.io/rpc',
            accounts: {
                count: 10,
                initialIndex: 0,
                mnemonic: process.env.MNEMONIC,
                path: "m/44'/60'/0'/0",
            },
            gasPrice: 0,
        },
        skale: {
            chainId: 1533527623516183,
            url: 'https://eth-global-5.skalenodes.com:10008',
            accounts: {
                count: 10,
                initialIndex: 0,
                mnemonic: process.env.MNEMONIC,
                path: "m/44'/60'/0'/0",
            },
            gasPrice: 0,
        },
        goerli: {
            chainId: 5,
            url: `https://goerli.infura.io/v3/${process.env.INFURA_API_KEY}`,
            accounts: {
                count: 10,
                initialIndex: 0,
                mnemonic: process.env.MNEMONIC,
                path: "m/44'/60'/0'/0",
            },
        },
    },
    mocha: {
        timeout: 20000
    }
};