hardhat.config.js

require("@nomiclabs/hardhat-waffle")
require("solidity-coverage")
require("dotenv").config()

const DUMMY_PRIVATE_KEY = "0336e9be71c31d71d086d9f0887d13cb6701bc45d11b70bb7c14200c9feebe22"
const HARMONY_PRIVATE_KEY = process.env.HARMONY_PRIVATE_KEY || DUMMY_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

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
module.exports = {
    gasPrice: 0,
    solidity: {
        version: "0.8.4",
        settings: {
            optimizer: {
                enabled: true,
                runs: 1000,
            },
            outputSelection: {
                "*": {
                    "*": ["storageLayout"],
                },
            },
        },
    },
    networks: {
        devnet: {
            url: "https://api.s0.ps.hmny.io",
            accounts: [`0x${HARMONY_PRIVATE_KEY}`],
        },
        testnet: {
            url: "https://api.s0.b.hmny.io",
            accounts: [`0x${HARMONY_PRIVATE_KEY}`],
        },
        mainnet: {
            url: "https://api.harmony.one",
            accounts: [`0x${HARMONY_PRIVATE_KEY}`],
        },
    },
}