buidler.config.js

const { usePlugin, task } = require("@nomiclabs/buidler/config");

usePlugin("@nomiclabs/buidler-waffle");
usePlugin("@nomiclabs/buidler-ethers");
usePlugin("@nomiclabs/buidler-web3");

// Set the following variables if you want to deploy the contracts for testing using goerli
const GOERLI_PRIVATE_KEY = "";
const GOERLI_INFURA_PROJECT_ID = "";

// This is a sample Buidler task. To learn how to create your own go to
// https://buidler.dev/guides/create-task.html
task("accounts", "Prints the list of accounts", async (_, { ethers }) => {
  const accounts = await ethers.getSigners();

  for (const account of accounts) console.log(await account.getAddress());
});

// You have to export an object to set up your config
// This object can have the following optional entries:
// defaultNetwork, networks, solc, and paths.
// Go to https://buidler.dev/config/ to learn more
module.exports = {
  // This is a sample solc configuration that specifies which version of solc to use
  solc: {
    version: "0.8.9",
    optimizer: {
      enabled: true,
      runs: 200,
    },
  },
  paths: {
    sources: "contracts",
    cache: "cache",
    artifacts: "artifacts",
  },
  networks: {
    goerli: {
      url: `https://goerli.infura.io/v3/${GOERLI_INFURA_PROJECT_ID}`,
      accounts: [`0x${GOERLI_PRIVATE_KEY}`],
    },
  },
};