truffle.js

const hdWallet = require("./hdWallet")
const web3Engine = require("./web3Engine")

const {
  name: packageName,
  version,
  description,
  keywords,
  license
} = require("./package.json")

const DEFAULT = {
  host: "localhost",
  port: 8545,
  network_id: "*", // Match any network id
  gas: 4600000
}

const walletPath = "./local/wallet.json"

const providerUrlRopsten = "https://ropsten.infura.io/SYGRk61NUc3yN4NNRs60"
const providerUrlMainnet = "https://mainnet.infura.io/SYGRk61NUc3yN4NNRs60"

const wallets = hdWallet(walletPath)

const getAddress = wallet => `0x${wallet.getAddress().toString("hex")}`
const addresses = wallets.map(getAddress)

const engineRopsten = web3Engine(wallets, providerUrlRopsten)
const engineMainnet = web3Engine(wallets, providerUrlMainnet)

module.exports = {
  packageName,
  version,
  description,
  keywords,
  license,
  authors: [
    "Carlos Bruguera <cbruguera@gmail.com>",
    "Dave Sag <david.sag@industrie.co>"
  ],
  networks: {
    geth: { ...DEFAULT, gas: 999999 },
    ropsten: {
      network_id: 3,
      provider: engineRopsten,
      from: addresses[0],
      gas: 4700000,
      gasPrice: 10000000000 // 10 gwei
    },
    mainnet: {
      network_id: 1,
      provider: engineMainnet,
      from: addresses[0],
      gas: 4500000,
      gasPrice: 1000000000 // 1 gwei
    }
  },
  solc: {
    optimizer: {
      enabled: true,
      runs: 200
    }
  }
}