truffle-config.js

const path = require('path');
require('dotenv').config();
const HDWalletProvider = require('@truffle/hdwallet-provider');
const url = process.env.REACT_APP_PUBLIC_RPC_URL;
const mnemonic = process.env.REACT_APP_MNEMONIC;
module.exports = {
  contracts_build_directory: path.join(__dirname, 'src/abis'),
  networks: {
    development: {
      host: '127.0.0.1', // Localhost (default: none)
      port: 8545, // Standard Ethereum port (default: none)
      network_id: '*', // Any network (default: none)
    },
    ganache: {
      host: '127.0.0.1',
      port: 7545,
      network_id: '',
    },
    matic: {
      provider: () => new HDWalletProvider(mnemonic, url),
      network_id: 80001,
      confirmations: 2,
      timeoutBlocks: 200,
      skipDryRun: false,
    },
  },
  compilers: {
    solc: {
      version: '0.8.1',
      optimizer: {
        enabled: true,
        runs: 200,
      },
    },
  },
  plugins: ['truffle-plugin-verify'],
};