Crash on reindex

- Added the concept of loadServices on the node so that the node can conditionally call stop on loadingServices
- This serves the case where services might be loading versus fully loaded (which is not always the cases for heavy services like bitcoind)

lib/node.js

@@ -22,6 +22,7 @@ function Node(config) {
   this.network = null;
   this.services = {};
   this._unloadedServices = [];
+  this._loadingServices = {};
 
   // TODO type check the arguments of config.services
   if (config.services) {
@@ -140,6 +141,7 @@ Node.prototype._startService = function(serviceInfo, callback) {
   config.node = this;
   config.name = serviceInfo.name;
   var service = new serviceInfo.module(config);
+  self._loadingServices[service.name] = service;
 
   service.start(function(err) {
     if (err) {
@@ -206,9 +208,9 @@ Node.prototype.stop = function(callback) {
   async.eachSeries(
     services,
     function(service, next) {
-      if (self.services[service.name]) {
+      if (self._loadingServices[service.name]) {
         log.info('Stopping ' + service.name);
-        self.services[service.name].stop(next);
+        self._loadingServices[service.name].stop(next);
       } else {
         log.info('Stopping ' + service.name + ' (not started)');
         setImmediate(next);

test/node.unit.js

@@ -333,8 +333,10 @@ describe('Bitcore Node', function() {
           ['getData', this, this.getData, 1]
         ];
       };
+      var testService = new TestService({node: node});
+      node._loadingServices = {'test1': testService};
       node.services = {
-        'test1': new TestService({node: node})
+        'test1': testService
       };
       node.test2 = {};
       node.test2.stop = sinon.stub().callsArg(0);