hardhat.config.ts

import * as dotenvenc from '@chainlink/env-enc'
import "@chainlink/hardhat-chainlink";
import '@nomicfoundation/hardhat-toolbox'
import { HardhatUserConfig } from "hardhat/config";
import './tasks'
dotenvenc.config();


const PRIVATE_KEY = process.env.PRIVATE_KEY;
const ETHEREUM_SEPOLIA_RPC_URL = process.env.ETHEREUM_SEPOLIA_RPC_URL;
const POLYGON_MUMBAI_RPC_URL = process.env.POLYGON_MUMBAI_RPC_URL;
const OPTIMISM_GOERLI_RPC_URL = process.env.OPTIMISM_GOERLI_RPC_URL;
const ARBITRUM_TESTNET_RPC_URL = process.env.ARBITRUM_TESTNET_RPC_URL;
const AVALANCHE_FUJI_RPC_URL = process.env.AVALANCHE_FUJI_RPC_URL;
const SNOWTRACE_API_KEY = process.env.SNOWTRACE_API_KEY;

const config: HardhatUserConfig = {
  solidity: {
    version: '0.8.19',
    settings: {
      optimizer: {
        enabled: true,
        runs: 500,
      },
    },
  },
  networks: {
    hardhat: {
      chainId: 31337
    },
    ethereumSepolia: {
      url: ETHEREUM_SEPOLIA_RPC_URL !== undefined ? ETHEREUM_SEPOLIA_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 11155111
    },
    polygonMumbai: {
      url: POLYGON_MUMBAI_RPC_URL !== undefined ? POLYGON_MUMBAI_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 80001
    },
    optimismGoerli: {
      url: OPTIMISM_GOERLI_RPC_URL !== undefined ? OPTIMISM_GOERLI_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 420,
    },
    arbitrumTestnet: {
      url: ARBITRUM_TESTNET_RPC_URL !== undefined ? ARBITRUM_TESTNET_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 421613
    },
    avalancheFuji: {
      url: AVALANCHE_FUJI_RPC_URL !== undefined ? AVALANCHE_FUJI_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 43113
    }
  }, 
  etherscan: {
    apiKey: {
      // avalanche
      avalancheFujiTestnet: SNOWTRACE_API_KEY || '',
    },
  },
};

export default config;