require('dotenv').config();
const HDWalletProvider = require('@truffle/hdwallet-provider');
const fs = require('fs');
const { homedir } = require('os');
const { ConfigHelper } = require('@oceanprotocol/lib');
// Get configuration for the given network
let oceanConfig = new ConfigHelper().getConfig(process.env.OCEAN_NETWORK);
// If using local development environment, read the addresses from local file.
// The local deployment address file can be generated using barge.
if (process.env.OCEAN_NETWORK === 'development') {
const addressData = JSON.parse(
|| `${homedir}/.ocean/ocean-contracts/artifacts/address.json`,
const addresses = addressData[process.env.OCEAN_NETWORK];
oceanTokenAddress: addresses.Ocean,
poolTemplateAddress: addresses.poolTemplate,
fixedRateExchangeAddress: addresses.FixedPrice,
dispenserAddress: addresses.Dispenser,
erc721FactoryAddress: addresses.ERC721Factory,
sideStakingAddress: addresses.Staking,
opfCommunityFeeCollector: addresses.OPFCommunityFeeCollector
nodeUri: process.env.OCEAN_NETWORK_URL,
// Set optional properties - Provider URL and Aquarius URL
metadataCacheUri: process.env.AQUARIUS_URL || oceanConfig.metadataCacheUri,
providerUri: process.env.PROVIDER_URL || oceanConfig.providerUri
const web3Provider = new HDWalletProvider(