hardhat.network.ts

import { HardhatUserConfig } from 'hardhat/config';

const alchemyUrl = process.env.ALCHEMY_URL;
const infuraApiKey = process.env.INFURA_API_KEY;
const mnemonic = process.env.HDWALLET_MNEMONIC;

const networks: HardhatUserConfig['networks'] = {
    coverage: {
        url: 'http://127.0.0.1:8555',
        blockGasLimit: 200000000,
        allowUnlimitedContractSize: true,
    },
    localhost: {
        chainId: 1,
        url: 'http://127.0.0.1:8545',
        allowUnlimitedContractSize: true,
    },
};

if (alchemyUrl && process.env.FORK_ENABLED && mnemonic) {
    networks.hardhat = {
        chainId: 1,
        allowUnlimitedContractSize: true,
        gas: 12000000,
        blockGasLimit: 0x1fffffffffffff,
        forking: {
            url: alchemyUrl,
        },
        accounts: {
            mnemonic,
        },
    };
} else {
    networks.hardhat = {
        allowUnlimitedContractSize: true,
        gas: 12000000,
        initialBaseFeePerGas: 0, // temporary fix, remove once we bump version: https://github.com/sc-forks/solidity-coverage/issues/652#issuecomment-896330136
        blockGasLimit: 0x1fffffffffffff,
    };
}

if (mnemonic) {
    networks.xdai = {
        chainId: 100,
        url: 'https://rpc.xdaichain.com/',
        accounts: {
            mnemonic,
        },
    };
    networks.poaSokol = {
        chainId: 77,
        url: 'https://sokol.poa.network',
        accounts: {
            mnemonic,
        },
    };
    networks.matic = {
        chainId: 137,
        url: 'https://rpc-mainnet.maticvigil.com',
        accounts: {
            mnemonic,
        },
    };
    networks.mumbai = {
        chainId: 80001,
        url: 'https://rpc-mumbai.maticvigil.com',
        accounts: {
            mnemonic,
        },
    };
}

if (infuraApiKey && mnemonic) {
    networks.kovan = {
        url: `https://kovan.infura.io/v3/${infuraApiKey}`,
        accounts: {
            mnemonic,
        },
    };

    networks.ropsten = {
        url: `https://ropsten.infura.io/v3/${infuraApiKey}`,
        accounts: {
            mnemonic,
        },
    };

    networks.rinkeby = {
        url: `https://rinkeby.infura.io/v3/${infuraApiKey}`,
        accounts: {
            mnemonic,
        },
    };

    networks.mainnet = {
        url: alchemyUrl,
        accounts: {
            mnemonic,
        },
    };
} else {
    console.warn('No infura or hdwallet available for testnets');
}

export default networks;