fixed debounce delay

lib/node.js

@@ -113,6 +113,9 @@ function Node()
 	this.updateInterval = false;
 	this.pingInterval = false;
 
+	this._lastLatestLog = 0;
+	this._lastPendingLog = 0;
+
 	socket.on('open', function open() {
 		socket.emit('hello', { id: self.id, info: self.info, secret: WS_SECRET });
 		console.info('The connection has been opened.');
@@ -487,10 +490,22 @@ Node.prototype.setWatches = function()
 		this.pendingFilter = web3.eth.filter('pending');
 		this.pendingFilter.watch( function(log) {
 			if(PENDING_WORKS) {
+				var now = (new Date()).getTime();
+				var time = now - self._lastPendingLog;
+
+				if(time > 50)
+				{
+					self.update();
+				}
+				else
+				{
 					debounce(function() {
 						self.updatePending();
 					}, 50);
 				}
+
+				self._lastPendingLog = now;
+			}
 		});
 	}
 	catch (err)
@@ -501,10 +516,23 @@ Node.prototype.setWatches = function()
 
 	try {
 		this.chainFilter = web3.eth.filter('latest');
-		this.chainFilter.watch(function(log) {
+		this.chainFilter.watch(function(log)
+		{
+			var now = (new Date()).getTime();
+			var time = now - self._lastLatestLog;
+
+			if(time > 50)
+			{
+				self.update();
+			}
+			else
+			{
 				debounce(function() {
 					self.update();
 				}, 50);
+			}
+
+			self._lastLatestLog = now;
 		});
 	}
 	catch (err)