hardhat.networks.ts

import dotenv from 'dotenv';
import { NetworksUserConfig } from 'hardhat/types';

dotenv.config();

const networks: NetworksUserConfig = {};

function register (
    name: string,
    chainId: number,
    url?: string,
    privateKey?: string
) {
    if (url && privateKey) {
        networks[name] = {
            url,
            chainId,
            accounts: [privateKey],
        };
        console.log(`Network '${name}' registered`);
    } else {
        console.log(`Network '${name}' not registered`);
    }
}

register(
    'mainnet',
    1,
    process.env.MAINNET_RPC_URL,
    process.env.MAINNET_PRIVATE_KEY
);
register('bsc', 56, process.env.BSC_RPC_URL, process.env.BSC_PRIVATE_KEY);
register('kovan', 42, process.env.KOVAN_RPC_URL, process.env.KOVAN_PRIVATE_KEY);
register(
    'optimistic',
    10,
    process.env.OPTIMISTIC_RPC_URL,
    process.env.OPTIMISTIC_PRIVATE_KEY
);
register(
    'kovan-optimistic',
    69,
    process.env.KOVAN_OPTIMISTIC_RPC_URL,
    process.env.KOVAN_OPTIMISTIC_PRIVATE_KEY
);
register(
    'matic',
    137,
    process.env.MATIC_RPC_URL,
    process.env.MATIC_PRIVATE_KEY
);
register(
    'arbitrum',
    42161,
    process.env.ARBITRUM_RPC_URL,
    process.env.ARBITRUM_PRIVATE_KEY
);
register(
    'ropsten',
    3,
    process.env.ROPSTEN_RPC_URL,
    process.env.ROPSTEN_PRIVATE_KEY
);
register('xdai', 100, process.env.XDAI_RPC_URL, process.env.XDAI_PRIVATE_KEY);
register('avax', 43114, process.env.AVAX_RPC_URL, process.env.AVAX_PRIVATE_KEY);

export default networks;