add websocket config to blockchain config

lib/cmds/blockchain/blockchain.js

@@ -28,6 +28,7 @@ var Blockchain = function(options) {
     maxpeers: ((this.blockchainConfig.maxpeers === 0) ? 0 : (this.blockchainConfig.maxpeers || 25)),
     bootnodes: this.blockchainConfig.bootnodes || "",
     rpcApi: (this.blockchainConfig.rpcApi || ['eth', 'web3', 'net']),
+    wsRPC: (this.blockchainConfig.wsRPC === undefined) || this.blockchainConfig.wsRPC,
     wsHost: this.blockchainConfig.wsHost || 'localhost',
     wsPort: this.blockchainConfig.wsPort || 8546,
     wsOrigins: this.blockchainConfig.wsOrigins || false,

lib/cmds/blockchain/geth_commands.js

@@ -96,6 +96,7 @@ class GethCommands {
   determineWsOptions(config) {
     let cmd = "";
 
+    if (config.wsRPC) {
       cmd += "--ws ";
       cmd += "--wsport " + config.wsPort + " ";
       cmd += "--wsaddr " + config.wsHost + " ";
@@ -112,6 +113,7 @@ class GethCommands {
         console.log('warning: cors is not set');
         console.log('==================================');
       }
+    }
 
     return cmd;
   }

test_app/config/blockchain.json

@@ -13,7 +13,11 @@
     "account": {
       "password": "config/development/password"
     },
-    "wsOrigins": "http://localhost:8000"
+    "wsOrigins": "http://localhost:8000",
+    "wsRPC": true,
+    "wsHost": "localhost",
+    "wsPort": 8546
+
   },
   "testnet": {
     "networkType": "testnet",