Merge pull request #102 from cubedro/develop

Better error handling and logging

app.js

@@ -43,7 +43,7 @@ api.on('connection', function(spark) {
     spark.on('hello', function(data)
     {
         console.log('Latency: ', spark.latency);
-        console.log('got hello data from ', spark.id);
+        console.log('Got hello data from ', spark.id);
         console.log(data);
 
         if(typeof data.secret === 'undefined' || data.secret !== WS_SECRET)
@@ -75,13 +75,15 @@ api.on('connection', function(spark) {
     spark.on('update', function(data)
     {
         console.log('Latency: ', spark.latency);
-        console.log('got update from ' + spark.id);
+        console.log('Got update from ' + spark.id);
 
         if(typeof data.id !== 'undefined' && typeof data.stats !== 'undefined')
         {
             data.stats.latency = spark.latency;
 
             var stats = Nodes.update(data.id, data.stats);
+            if(stats !== false)
+            {
                 client.write({action: 'update', data: stats});
 
                 var blockPropagationChart = Nodes.blockPropagationChart();
@@ -90,6 +92,7 @@ api.on('connection', function(spark) {
                 var uncleCount = Nodes.getUncleCount();
                 client.write({action: 'uncleCount', data: uncleCount});
             }
+        }
     });
 
     spark.on('node-ping', function(data){
@@ -98,9 +101,6 @@ api.on('connection', function(spark) {
 
     spark.on('latency', function(data)
     {
-        console.log('Latency: ', data.latency);
-        console.log('got ping from ' + spark.id);
-
         if(typeof data.id !== 'undefined')
         {
             var stats = Nodes.updateLatency(data.id, data.latency);
@@ -123,9 +123,6 @@ client.on('connection', function(spark) {
     console.log(spark.query);
 
     spark.on('ready', function(data){
-        console.log('got hello data from ' + spark.id);
-        console.log(data);
-
         spark.emit('init', {nodes: Nodes.all()});
 
         var blockPropagationChart = Nodes.blockPropagationChart();

models/collection.js

@@ -27,6 +27,10 @@ Collection.prototype.update = function(id, stats)
 		return false;
 
 	var block = this._history.add(stats.block, id);
+
+	if(! block)
+		return false;
+
 	var propagationHistory = this._history.getNodePropagation(id);
 
 	stats.block.arrived = block.arrived;

models/history.js

@@ -33,6 +33,8 @@ var History = function History(data)
 
 History.prototype.add = function(block, id)
 {
+	if(typeof block !== 'undefined' && typeof block.number !== 'undefined' && typeof block.uncles !== 'undefined' && typeof block.transactions !== 'undefined')
+	{
 		var historyBlock = this.search(block.number);
 
 		var now = (new Date()).getTime();
@@ -68,12 +70,14 @@ History.prototype.add = function(block, id)
 			}
 
 			item.propagTimes.push({node: id, received: now, propagation: block.propagation});
-		console.log('item: ', item);
 			this._save(item);
 		}
 		this.getNodePropagation(id);
 
 		return block;
+	}
+
+	return false;
 }
 
 History.prototype._save = function(block)
@@ -170,7 +174,29 @@ History.prototype.getUncleCount = function(id)
 		})
 		.value();
 
-	console.log(uncles);
+	var uncleBins = _.fill(Array(MAX_BINS), 0);
+
+	var sumMapper = function(array, key) {
+		uncleBins[key] = _.sum(array);
+		return _.sum(array);
+	};
+
+	_.map(_.chunk(uncles, MAX_UNCLES_PER_BIN), sumMapper);
+
+	return uncleBins;
+}
+
+History.prototype.getTransactionsCount = function(id)
+{
+	var uncles = _(this._items)
+		.sortByOrder('height', false)
+		.slice(0, MAX_BINS - 1)
+		.reverse()
+		.map(function(item)
+		{
+			return item.block.transactions.length;
+		})
+		.value();
 
 	var uncleBins = _.fill(Array(MAX_BINS), 0);
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "eth-netstats",
   "description": "Ethereum Network Intelligence dashboard",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "private": true,
   "engines": {
     "node": "0.12.0",