Network node bug fix

NetworkRoot.js

@@ -47,6 +47,7 @@ exports.newNetworkRoot = function newNetworkRoot() {
             fs: require('fs'),
             path: require('path'),
             util: require('util'),
+            http: require('http'),            
             nodeFetch: require('node-fetch'),
             web3: require('web3'),
             ws: require('ws'),