Crash on reindex

- Removed unneeded cancellation error and handlers for it.

lib/errors.js

@@ -15,14 +15,11 @@ Consensus.BlockExists = createError('BlockExists', Consensus);
 var Transaction = createError('Transaction', BitcoreNodeError);
 Transaction.NotFound = createError('NotFound', Transaction);
 
-var Cancellation = createError('Cancellation', BitcoreNodeError);
-
 module.exports = {
   Error: BitcoreNodeError,
   NoOutputs: NoOutputs,
   NoOutput: NoOutput,
   Wallet: Wallet,
   Consensus: Consensus,
-  Transaction: Transaction,
-  Cancellation: Cancellation
+  Transaction: Transaction
 };

lib/node.js

@@ -22,7 +22,6 @@ function Node(config) {
   this.network = null;
   this.services = {};
   this._unloadedServices = [];
-  this.started = false;
 
   // TODO type check the arguments of config.services
   if (config.services) {
@@ -187,24 +186,16 @@ Node.prototype.start = function(callback) {
       self._startService(service, next);
     },
     function(err) {
-      if (err instanceof errors.Cancellation) {
-        self.cancellation = true;
-        return callback(err);
-      } else if (err) {
+      if (err) {
         return callback(err);
       }
       self.emit('ready');
-      self.started = true;
       callback();
     }
   );
 };
 
 Node.prototype.stop = function(callback) {
-  if (!this.started && !this.cancellation) {
-    this.pendingStop = true;
-    return;
-  }
   log.info('Beginning shutdown');
   var self = this;
   var services = this.getServiceOrder().reverse();

lib/scaffold/start.js

@@ -216,10 +216,7 @@ function start(options) {
   });
 
   node.start(function(err) {
-    if (err instanceof errors.Cancellation) {
-      log.warn('Cancelled start up of all services');
-      start.cleanShutdown(process, node);
-    } else if(err) {
+    if(err) {
       log.error('Failed to start services');
       if (err.stack) {
         log.error(err.stack);

lib/services/bitcoind.js

@@ -159,10 +159,6 @@ Bitcoin.prototype.start = function(callback) {
       }
       if (self._reindex) {
         var interval = setInterval(function() {
-          if (self.node.pendingStop) {
-            clearInterval(interval);
-            return callback(new errors.Cancellation(), false);
-          }
           var percentSynced = bindings.syncPercentage();
           log.info("Bitcoin Core Daemon Reindex Percentage: " + percentSynced);
           if (percentSynced >= 100) {

test/node.unit.js

@@ -324,7 +324,6 @@ describe('Bitcore Node', function() {
   describe('#stop', function() {
     it('will call stop for each service', function(done) {
       var node = new Node(baseConfig);
-      node.started = true;
       function TestService() {}
       util.inherits(TestService, BaseService);
       TestService.prototype.stop = sinon.stub().callsArg(0);