truffle-config.js

require('babel-register')
require('babel-polyfill')

var HDWalletProvider = require('truffle-hdwallet-provider')

const MNEMONIC =
  process.env.MNEMONIC ||
  'clock radar mass judge dismiss just intact mind resemble fringe diary casino'
const API_KEY = process.env.API_KEY

module.exports = {
  // See <http://truffleframework.com/docs/advanced/configuration>
  // to customize your Truffle configuration!
  networks: {
    development: {
      host: 'localhost',
      port: 8545,
      network_id: '*', // match any network
      skipDryRun: true
    },
    matic_dev: {
      host: 'localhost',
      port: 8546,
      network_id: '*' // match any network
    },
    ropsten: {
      provider: () =>
        new HDWalletProvider(
          MNEMONIC,
          `https://ropsten.infura.io/v3/${API_KEY}`,
          1
        ),
      network_id: 3,
      gas: 8000000,
      gasPrice: 100000000000,
      skipDryRun: true
      // confirmations: 5
    },
    kovan: {
      provider: function() {
        return new HDWalletProvider(
          MNEMONIC,
          `https://kovan.infura.io/v3/${API_KEY}`
        )
      },
      network_id: 42,
      gas: 8000000
    },
    mainnet: {
      provider: function() {
        return new HDWalletProvider(
          MNEMONIC,
          `https://mainnet.infura.io/v3/${API_KEY}`
        )
      },
      network_id: 1,
      gas: 4000000
    },
    bor_testnet2: {
      provider: function() {
        return new HDWalletProvider(MNEMONIC, `https://testnet2.matic.network`)
      },
      network_id: 8995,
      gas: 8000000,
      confirmations: 2
    }
  },
  compilers: {
    solc: {
      version: '0.5.11',
      // docker: true,
      settings: {
        optimizer: {
          enabled: true,
          runs: 200
        },
        evmVersion: 'constantinople'
      }
    }
  },
  mocha: {
    reporter: 'eth-gas-reporter',
    reporterOptions: {
      currency: 'USD',
      gasPrice: 21,
      outputFile: '/dev/null',
      showTimeSpent: true
    }
  }
}