made history call async

lib/node.js

@@ -198,12 +198,7 @@ Node.prototype.setupSockets = function()
 	{
 		console.info('his', 'Got history request');
 
-		var reqHistory = self.getHistory( data );
+		self.getHistory( data );
-
-		socket.emit('history', {
-			id: self.id,
-			history: reqHistory
-		});
 	})
 	.on('node-pong', function(data)
 	{
@@ -506,6 +501,8 @@ Node.prototype.getStats = function(forced)
 
 Node.prototype.getHistory = function (range)
 {
+	var self = this;
+
 	var history = [];
 	var interv = {};
 
@@ -519,19 +516,38 @@ Node.prototype.getHistory = function (range)
 
 	console.info('his', 'Getting history from', chalk.reset.cyan(interv[0]), 'to', chalk.reset.cyan(interv[interv.length - 1]));
 
-	for (var i = 0; i < interv.length; i++)
+	async.mapSeries(interv, function (number, callback)
 	{
-		var block = this.getBlock( interv[i] );
+		async.nextTick(function ()
-
-		if( block !== null && !_.isUndefined(block.number) )
 		{
-			history.push( block );
+			var block;
+
+			try {
+				block = self.formatBlock(web3.eth.getBlock(number, true));
+			}
+			catch (err) {
+				console.error('xx>', 'history block failed: ', err);
+				callback(err, null);
+			}
+
+			callback(null, block);
+		});
+	},
+	function (err, results)
+	{
+		console.timeEnd('=H=', 'his', 'Got history in');
+
+		if (err) {
+			console.error('his', 'history fetch failed:', err);
+
+			results = false;
 		}
-	}
 
-	console.timeEnd('=H=', 'his', 'Got history in');
+		socket.emit('history', {
-
+			id: self.id,
-	return history.reverse();
+			history: results.reverse()
+		});
+	});
 }
 
 Node.prototype.getMinerName = function(miner)