truffle-config.js

const { readFileSync } = require('fs')
const path = require('path')
const { join } = require('path')
const LoomTruffleProvider = require('loom-truffle-provider')
const HDWalletProvider = require('truffle-hdwallet-provider')

module.exports = {
  contracts_build_directory: join(__dirname, './src/contracts'),
  networks: {
    loom_dapp_chain: {
      provider: function() {
        const privateKey = readFileSync(path.join(__dirname, 'private_key'), 'utf-8')
        const chainId = 'default'
        const writeUrl = 'http://127.0.0.1:46658/rpc'
        const readUrl = 'http://127.0.0.1:46658/query'
        const loomTruffleProvider = new LoomTruffleProvider(chainId, writeUrl, readUrl, privateKey)
        loomTruffleProvider.createExtraAccountsFromMnemonic("gravity top burden flip student usage spell purchase hundred improve check genre", 10)
        return loomTruffleProvider
      },
      network_id: '*'
    }
  }
}