hardhat.config.js

require('@nomiclabs/hardhat-waffle');
require('@nomiclabs/hardhat-etherscan');
require('hardhat-gas-reporter');
require('hardhat-tracer');
require('solidity-coverage');

const { resolve } = require('path');
const { config: dotenvConfig } = require('dotenv');

dotenvConfig({ path: resolve(__dirname, './.env') });

module.exports = {
  defaultNetwork: 'hardhat',
  networks: {
    hardhat: {},
    mumbai: {
      url: `https://polygon-mumbai.g.alchemy.com/v2/${process.env.ALCHEMY_MUMBAI_API_KEY}`,
      accounts: [process.env.DEPLOYER_PRIVATE_KEY],
    },
    polygon: {
      url: `https://polygon-mainnet.g.alchemy.com/v2/${process.env.ALCHEMY_POLYGON_API_KEY}`,
      accounts: [process.env.DEPLOYER_PRIVATE_KEY],
      saveDeployments: true,
    },
    goerli: {
      url: `https://eth-goerli.g.alchemy.com/v2/${process.env.ALCHEMY_GOELRI_API_KEY}`,
      accounts: [process.env.DEPLOYER_PRIVATE_KEY],
    },
  },
  gasReporter: {
    currency: 'USD',
    gasPrice: 100,
  },
  etherscan: {
    apiKey: {
      polygon: process.env.POLYSCAN_API_KEY,
      goerli: process.env.ETHERSCAN_API_KEY,
      polygonMumbai: process.env.POLYSCAN_API_KEY,
    },
  },
  solidity: {
    compilers: [
      {
        version: '0.8.18',
        settings: {
          optimizer: {
            enabled: true,
            runs: 10000,
          },
          outputSelection: {
            '*': {
              '*': ['storageLayout'],
            },
          },
        },
      },
      {
        version: '0.8.0',
        settings: {
          optimizer: {
            enabled: true,
            runs: 10000,
          },
          outputSelection: {
            '*': {
              '*': ['storageLayout'],
            },
          },
        },
      },
    ],
  },
  paths: {
    sources: './contracts',
    tests: './test',
    cache: './cache',
    artifacts: './artifacts',
  },
  mocha: {
    timeout: 40000,
  },
};