hardhat.config.js

require('@nomiclabs/hardhat-ethers');
require("@nomiclabs/hardhat-waffle");
require('@openzeppelin/hardhat-upgrades');

// 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 = {
  defaultNetwork: "ropsten",

      networks: {
        hardhat: {
        },
        
      rinkeby: {
        url: "",
        accounts: [""]
      },
      ropsten: {
        url: "",
        accounts: [""]
        }
      },

    solidity: {
      version: "0.8.2"
    },

    paths: {
      sources: "./contracts",
      tests: "./test",
      cache: "./cache",
      artifacts: "./artifacts"
    },

    mocha: {
      timeout: 20000
  }
};