truffle-config.js

require('dotenv').config();
const HDWalletProvider = require('@truffle/hdwallet-provider');
const mnemonic = process.env.MNEMONIC.toString().trim();

module.exports = {
  networks: {
    development: {
      host: "127.0.0.1",     // Localhost (default: none)
      port: 7545,            // Standard Ethereum port (default: none)
      network_id: "*",       // Any network (default: none)
    },
    // truffle migrate --network matic
    matic: {
      provider: () => new HDWalletProvider(mnemonic, `https://rpc-mumbai.matic.today`),
      network_id: 80001,
      confirmations: 2,
      timeoutBlocks: 200,
      skipDryRun: true
    },
    // truffle migrate --network rinkeby
    rinkeby: {
      provider: () => new HDWalletProvider(mnemonic, `https://eth-rinkeby.alchemyapi.io/v2/${process.env.ALCHEMYAPI_KEY}`),
      network_id: 4,
      confirmations: 2,
      timeoutBlocks: 200,
      skipDryRun: true
    },
     // truffle migrate --network hyperspace
     hyperspace: {
      provider: () => new HDWalletProvider(mnemonic, 'https://api.hyperspace.node.glif.io/rpc/v0'),
      network_id: 3141,
      confirmations: 2,
      timeoutBlocks: 200,
      skipDryRun: true
    },
  },
  contracts_build_directory: './src/abis/',
  compilers: {
    solc: {
      version: "0.8.5",    // Fetch exact version from solc-bin (default: truffle's version)
    },
  },
};