added getHistory

lib/node.js

@@ -44,6 +44,7 @@ var MAX_BLOCKS_HISTORY = 40;
 var UPDATE_INTERVAL = 5000;
 var PING_INTERVAL = 2000;
 var MINERS_LIMIT = 5;
+var MAX_HISTORY_UPDATE = 100;
 
 function Node()
 {
@@ -71,6 +72,7 @@ function Node()
 		os: os.platform(),
 		os_v: os.release(),
 		client: pjson.version,
+		canUpdateHistory: true,
 		coinbase: COINBASE
 	};
 
@@ -137,14 +139,21 @@ function Node()
 	})
 	.on('data', function incoming(data) {
 		console.info('Received some data', data);
-	});
-
-	socket.on('ready', function()
+	})
+	.on('ready', function()
 	{
 		self._socket = true;
 		self.sendUpdate(true);
 
 		console.info('The connection has been established.');
+	})
+	.on('history', function(data)
+	{
+		console.info('Getting history.');
+		var reqHistory = self.getHistory(data);
+
+		console.info('Sending history.');
+		socket.emit('history', {id: self.id, history: reqHistory});
 	});
 
 	this.init();
@@ -426,6 +435,31 @@ Node.prototype.getStats = function()
 	this.uptime();
 }
 
+Node.prototype.getHistory = function(interval)
+{
+	var history = [];
+	console.log('interval', interval);
+	if(typeof interval === 'undefined' || interval === null)
+	{
+		interval = {
+			min: this.stats.block.number - MAX_HISTORY_UPDATE,
+			max: this.stats.block.number - 1
+		}
+	}
+
+	for(var number = interval.min; number <= interval.max; number++)
+	{
+		var block = this.getBlock(number);
+
+		if(block !== null && block.number !== this.blocks[0].number)
+		{
+			history.push(block);
+		}
+	}
+
+	return history.reverse();
+}
+
 Node.prototype.changed = function()
 {
 	var changed = ! _.isEqual(this._lastStats, JSON.stringify(this.stats));