hardhat.config.js

require("@nomicfoundation/hardhat-chai-matchers");
require('@openzeppelin/hardhat-upgrades');
require("@nomiclabs/hardhat-etherscan");
require("@nomiclabs/hardhat-ethers");
require('hardhat-contract-sizer');
require('solidity-coverage');
require('solidity-docgen');
require("hardhat-tracer");

require('dotenv').config();
require("./tasks/setup");
// require("hardhat-gas-reporter");


process.removeAllListeners('warning');

const chainIds = {
    hardhat: 31337,
    mainnet: 1,
    goerli: 5,
    polygon: 137,
    mumbai: 80001,
  };

  function getChainConfig(chain){
    
    const jsonRpcUrl = process.env[`RPC_${chain.toUpperCase()}_API`]
    if (!jsonRpcUrl) throw new Error("API KEY not fount for "+chain);
    
    return {
      // Comment out for default hardhat account settings
      accounts: {
        count: 10,
        mnemonic: process.env.MNEMONIC_PHRASE,
        path: "m/44'/60'/0'/0",
      },
      chainId: chainIds[chain],
      url: jsonRpcUrl
    };
  }


module.exports = {
  defaultNetwork: "hardhat",
  networks: {
    localhost: { chainId: chainIds.hardhat },
    hardhat: {
      blockGasLimit: 30000000,
      chainId: chainIds.hardhat,
      accounts: process.env.MNEMONIC_PHRASE ? {
        mnemonic: process.env.MNEMONIC_PHRASE,
        path: "m/44'/60'/0'/0",
      } : undefined,
      forking: process.env.FORK_ENABLED === "true" ? {
        url: getChainConfig(process.env.FORKED_NETWORK).url,
      } : undefined,
    },
    mainnet: getChainConfig("mainnet"),
    goerli: getChainConfig("goerli"),
    polygon: getChainConfig("polygon"),
    mumbai: getChainConfig("mumbai"),
  },
  etherscan: {
    apiKey: {
      mainnet: process.env.ETHERSCAN_API_KEY || "",
      goerli: process.env.ETHERSCAN_API_KEY || "",
      polygon: process.env.POLYGONSCAN_API_KEY || "",
      polygonMumbai: process.env.POLYGONSCAN_API_KEY || "",
    },
  },
  solidity: {
    compilers: [
      { version: "0.8.0" },
      { version: "0.8.4" },
    ],
      settings: {
      metadata: {
        bytecodeHash: "none",
      },
      optimizer: {
        enabled: false,
        // runs: 2_000,
      },
    },
  },
};