diff --git a/src/utils/ConfigHelper.ts b/src/utils/ConfigHelper.ts
index 8d76f9e04..5f87e66f8 100644
--- a/src/utils/ConfigHelper.ts
+++ b/src/utils/ConfigHelper.ts
@@ -2,7 +2,7 @@ import Config from '../models/Config'
 import { Logger } from '../lib'
 import fs from 'fs'
 import { homedir } from 'os'
-
+import * as DefaultContractsAddresses from '@oceanprotocol/contracts/artifacts/address.json'
 export declare type ConfigHelperNetworkName =
   | 'mainnet'
   | 'rinkeby'
@@ -21,9 +21,10 @@ const configs: ConfigHelperConfig[] = [
     networkId: null,
     network: 'unknown',
     nodeUri: 'http://localhost:8545',
-    factoryAddress: null,
     metadataCacheUri: 'http://127.0.0.1:5000',
     providerUri: 'http://127.0.0.1:8030',
+    oceanTokenAddress: null,
+    factoryAddress: '0x1234',
     poolFactoryAddress: null,
     fixedRateExchangeAddress: null,
     metadataContractAddress: null
@@ -33,9 +34,10 @@ const configs: ConfigHelperConfig[] = [
     networkId: 8996,
     network: 'development',
     nodeUri: 'http://localhost:8545',
-    factoryAddress: null,
     metadataCacheUri: 'http://127.0.0.1:5000',
     providerUri: 'http://127.0.0.1:8030',
+    oceanTokenAddress: null,
+    factoryAddress: null,
     poolFactoryAddress: null,
     fixedRateExchangeAddress: null,
     metadataContractAddress: null
@@ -44,22 +46,22 @@ const configs: ConfigHelperConfig[] = [
     networkId: 4,
     network: 'rinkeby',
     nodeUri: 'https://rinkeby.infura.io/v3',
-    factoryAddress: '0x3fd7A00106038Fb5c802c6d63fa7147Fe429E83a',
-    oceanTokenAddress: '0x8967BCF84170c91B0d24D4302C2376283b0B3a07',
     metadataCacheUri: 'https://aquarius.rinkeby.v3.dev-ocean.com',
     providerUri: 'https://provider.rinkeby.v3.dev-ocean.com',
-    poolFactoryAddress: '0x53eDF9289B0898e1652Ce009AACf8D25fA9A42F8',
-    fixedRateExchangeAddress: '0xeD1DfC5F3a589CfC4E8B91C1fbfC18FC6699Fbde',
-    metadataContractAddress: '0xFD8a7b6297153397B7eb4356C47dbd381d58bFF4'
+    oceanTokenAddress: null,
+    factoryAddress: null,
+    poolFactoryAddress: null,
+    fixedRateExchangeAddress: null,
+    metadataContractAddress: null
   },
   {
     networkId: 1,
     network: 'mainnet',
     nodeUri: 'https://mainnet.infura.io/v3',
-    factoryAddress: '0x1234',
-    oceanTokenAddress: '0x7AFeBBB46fDb47ed17b22ed075Cde2447694fB9e',
     metadataCacheUri: null,
     providerUri: null,
+    oceanTokenAddress: null,
+    factoryAddress: null,
     poolFactoryAddress: null,
     fixedRateExchangeAddress: null,
     metadataContractAddress: null
@@ -69,18 +71,17 @@ const configs: ConfigHelperConfig[] = [
 export class ConfigHelper {
   /* Load contract addresses from env ADDRESS_FILE (generated by ocean-contracts) */
   public getAddressesFromEnv(network: string): Partial<ConfigHelperConfig> {
-    try {
-      const data = JSON.parse(
-        fs.readFileSync(
-          process.env.ADDRESS_FILE ||
-            `${homedir}/.ocean/ocean-contracts/artifacts/address.json`,
-          'utf8'
-        )
-      )
-
-      const { DTFactory, BFactory, FixedRateExchange, Metadata, Ocean } = data[network]
-
-      const configAddresses: Partial<ConfigHelperConfig> = {
+    // use the defaults first
+    let configAddresses: Partial<ConfigHelperConfig>
+    if (DefaultContractsAddresses[network]) {
+      const {
+        DTFactory,
+        BFactory,
+        FixedRateExchange,
+        Metadata,
+        Ocean
+      } = DefaultContractsAddresses[network]
+      configAddresses = {
         factoryAddress: DTFactory,
         poolFactoryAddress: BFactory,
         fixedRateExchangeAddress: FixedRateExchange,
@@ -88,12 +89,32 @@ export class ConfigHelper {
         oceanTokenAddress: Ocean,
         ...(process.env.AQUARIUS_URI && { metadataCacheUri: process.env.AQUARIUS_URI })
       }
-
-      return configAddresses
-    } catch (e) {
-      console.error(`ERROR: Could not load local contract address file: ${e.message}`)
-      return null
     }
+    // try ADDRESS_FILE env
+    if (fs && process.env.ADDRESS_FILE) {
+      try {
+        const data = JSON.parse(
+          fs.readFileSync(
+            process.env.ADDRESS_FILE ||
+              `${homedir}/.ocean/ocean-contracts/artifacts/address.json`,
+            'utf8'
+          )
+        )
+        const { DTFactory, BFactory, FixedRateExchange, Metadata, Ocean } = data[network]
+        configAddresses = {
+          factoryAddress: DTFactory,
+          poolFactoryAddress: BFactory,
+          fixedRateExchangeAddress: FixedRateExchange,
+          metadataContractAddress: Metadata,
+          oceanTokenAddress: Ocean,
+          ...(process.env.AQUARIUS_URI && { metadataCacheUri: process.env.AQUARIUS_URI })
+        }
+      } catch (e) {
+        // console.error(`ERROR: Could not load local contract address file: ${e.message}`)
+        // return null
+      }
+    }
+    return configAddresses
   }
 
   public getConfig(
diff --git a/test/unit/utils/ConfigHelper.test.ts b/test/unit/utils/ConfigHelper.test.ts
index 7b74e082a..3ba0b7953 100644
--- a/test/unit/utils/ConfigHelper.test.ts
+++ b/test/unit/utils/ConfigHelper.test.ts
@@ -6,6 +6,7 @@ describe('ConfigHelper', () => {
     const network = 'rinkeby'
     const config = new ConfigHelper().getConfig(network)
     assert(config.nodeUri.includes(network))
+    assert(config.factoryAddress != null)
   })
 
   it('should get config based on network name, and add passed Infura ID', () => {
@@ -13,12 +14,14 @@ describe('ConfigHelper', () => {
     const infuraId = 'helloInfura'
     const config = new ConfigHelper().getConfig(network, infuraId)
     assert(config.nodeUri.includes(infuraId))
+    assert(config.factoryAddress != null)
   })
 
   it('should get config based on chain ID', () => {
     const network = 4
     const config = new ConfigHelper().getConfig(network)
     assert(config.nodeUri.includes('rinkeby'))
+    assert(config.factoryAddress != null)
   })
 
   it('should return nothing with unknown network', () => {
@@ -26,4 +29,9 @@ describe('ConfigHelper', () => {
     const config = new ConfigHelper().getConfig(network)
     assert(config === null)
   })
+  it('should get a custom config', () => {
+    const network = 'unknown'
+    const config = new ConfigHelper().getConfig(network)
+    assert(config.factoryAddress === '0x1234')
+  })
 })