moved miner chart processing to server

app.js

@@ -138,7 +138,7 @@ api.on('connection', function(spark) {
 				var range = Nodes.getHistory().getHistoryRequestRange();
 
 				console.log("asked " + data.id + " for history");
-				console.log('interval', range);
+				console.log('interval', range.max + " - " + range.min);
 
 				spark.emit('history', range);
 

models/history.js

@@ -33,7 +33,7 @@ var History = function History(data)
 
 History.prototype.add = function(block, id)
 {
-	if( !_.isUndefined(block) && !_.isUndefined(block.number) && !_.isUndefined(block.uncles) && !_.isUndefined(block.transactions) && !_.isUndefined(block.difficulty) )
+	if( !_.isUndefined(block) && !_.isUndefined(block.number) && !_.isUndefined(block.uncles) && !_.isUndefined(block.transactions) && !_.isUndefined(block.difficulty) && block.number > 0 )
 	{
 		var historyBlock = this.search(block.number);
 
@@ -339,6 +339,30 @@ History.prototype.getAvgHashrate = function()
 	return avgDifficulty / 1000 * 12 * ( 12 / avgBlocktime );
 }
 
+History.prototype.getMinersCount = function()
+{
+	var miners = _( this._items )
+		.sortByOrder( 'height', false )
+		.slice(0, MAX_BINS)
+		.map(function (item)
+		{
+			return item.block.miner;
+		})
+		.value();
+
+	var minerCount = [];
+
+	_.forEach( _.countBy(miners), function (cnt, miner)
+	{
+		minerCount.push({ miner: miner, name: false, blocks: cnt });
+	});
+
+	return _(minerCount)
+		.sortByOrder( 'blocks', false )
+		.slice(0, 5)
+		.value();
+}
+
 History.prototype.getCharts = function()
 {
 	var chartHistory = _( this._items )
@@ -353,7 +377,8 @@ History.prototype.getCharts = function()
 				difficulty: item.block.difficulty,
 				uncles: item.block.uncles.length,
 				transactions: item.block.transactions.length,
-				gasSpending: item.block.gasUsed
+				gasSpending: item.block.gasUsed,
+				miner: item.block.miner
 			};
 		})
 		.value();
@@ -366,6 +391,7 @@ History.prototype.getCharts = function()
 		uncles : _.pluck( chartHistory, 'uncles' ),
 		transactions : _.pluck( chartHistory, 'transactions' ),
 		gasSpending : _.pluck( chartHistory, 'gasSpending' ),
+		miners : this.getMinersCount(),
 		propagation : this.getBlockPropagation(),
 		uncleCount : this.getUncleCount(),
 		avgHashrate : this.getAvgHashrate()
@@ -391,7 +417,11 @@ History.prototype.getHistoryRequestRange = function()
 	var max = _.max(missing);
 	var min = max - Math.min( 50, (MAX_HISTORY - this._items.length + 1) ) + 1;
 
-	return {max: max, min: min};
+	return {
+		max: max,
+		min: min,
+		list: _( missing ).reverse().slice(0, 50).reverse().value()
+	};
 }
 
 module.exports = History;

models/node.js

@@ -27,10 +27,7 @@ var Node = function Node(data)
 			transactions: [],
 			uncles: []
 		},
-		blocktimeAvg: 0,
 		propagationAvg: 0,
-		blockTimes: [],
-		difficulty: [],
 		latency: 0,
 		uptime: 0,
 		lastUpdate: 0

public/js/controllers.js

@@ -155,16 +155,19 @@ function StatsCtrl($scope, $filter, socket, _, toastr) {
 				break;
 
 			case "charts":
-				$scope.lastBlocksTime = data.blocktime;
 				$scope.avgBlockTime = data.avgBlocktime;
 				$scope.avgHashrate = data.avgHashrate;
+				$scope.lastBlocksTime = data.blocktime;
 				$scope.difficultyChart = data.difficulty;
-				$scope.transactionDensity = data.transactions;
-				$scope.gasSpending = data.gasSpending;
 				$scope.blockPropagationChart = data.propagation.histogram;
 				$scope.blockPropagationAvg = data.propagation.avg;
 				$scope.uncleCountChart = data.uncleCount;
 				$scope.uncleCount = data.uncleCount[0] + data.uncleCount[1];
+				$scope.transactionDensity = data.transactions;
+				$scope.gasSpending = data.gasSpending;
+				$scope.miners = data.miners;
+
+				getMinersNames();
 
 				jQuery('.spark-blocktimes').sparkline($scope.lastBlocksTime, {type: 'bar', tooltipSuffix: ' s'});
 				jQuery('.spark-difficulty').sparkline($scope.difficultyChart, {type: 'bar'});
@@ -225,6 +228,24 @@ function StatsCtrl($scope, $filter, socket, _, toastr) {
 		});
 	}
 
+	function getMinersNames()
+	{
+		if($scope.miners.length > 0) {
+			console.log('miners', $scope.miners);
+
+			_.forIn($scope.miners, function(value, key)
+			{
+				if(value.name !== false)
+					return;
+
+				var name = _.result(_.find(_.pluck($scope.nodes, 'info'), 'coinbase', value.miner), 'name');
+
+				if(typeof name !== 'undefined')
+					$scope.miners[key].name = name;
+			});
+		}
+	}
+
 	function addNewNode(data)
 	{
 		var index = findIndex({id: data.id});
@@ -267,22 +288,6 @@ function StatsCtrl($scope, $filter, socket, _, toastr) {
 
 				$scope.lastBlock = $scope.bestStats.block.received;
 				$scope.lastDifficulty = $scope.bestStats.block.difficulty;
-
-				if(typeof $scope.bestStats.miners !== 'undefined') {
-					$scope.miners = $scope.bestStats.miners;
-					console.log($scope.miners);
-
-					_.forIn($scope.miners, function(value, key)
-					{
-						if(value.name !== false)
-							return;
-
-						var name = _.result(_.find(_.pluck($scope.nodes, 'info'), 'coinbase', value.miner), 'name');
-
-						if(typeof name !== 'undefined')
-							$scope.miners[key].name = name;
-					});
-				}
 			}
 
 			$scope.upTimeTotal = _.reduce($scope.nodes, function(total, node) {