From c298049ebc1a334bcb89b38a63d59020e61d8726 Mon Sep 17 00:00:00 2001
From: cubedro <contact@siteshop.ro>
Date: Tue, 19 May 2015 03:40:41 +0300
Subject: [PATCH] fixed callback already called bug

---
 lib/node.js | 35 ++++++++++++++++++++---------------
 1 file changed, 20 insertions(+), 15 deletions(-)

diff --git a/lib/node.js b/lib/node.js
index 0aea334..a948299 100644
--- a/lib/node.js
+++ b/lib/node.js
@@ -411,17 +411,18 @@ Node.prototype.getStats = function(forced)
 			peers: function (callback)
 			{
 				async.nextTick(function () {
-					var peers;
+					var peers = null;
+					var error = null;
 
 					try {
 						peers = web3.toDecimal(web3.net.peerCount);
 					}
 					catch (err) {
 						console.error('xx>', 'PeerCount failed: ', err);
-						callback(err, null);
+						error = err;
 					}
 
-					callback(null, peers);
+					callback(error, peers);
 				});
 			},
 			pending: function (callback)
@@ -439,34 +440,36 @@ Node.prototype.getStats = function(forced)
 			mining: function (callback)
 			{
 				async.nextTick(function () {
-					var mining;
+					var mining = null;
+					var error = null;
 
 					try {
 						mining = web3.eth.mining;
 					}
 					catch (err) {
 						console.error('xx>', 'Mining failed: ', err);
-						callback(err, null);
+						error = err;
 					}
 
-					callback(null, mining);
+					callback(error, mining);
 				});
 			},
 			hashrate: function (callback)
 			{
 				if(self.stats.mining) {
 					async.nextTick(function () {
-						var hashrate;
+						var hashrate = null;
+						var error = null;
 
 						try {
 							hashrate = web3.eth.hashrate;
 						}
 						catch (err) {
 							console.error('xx>', 'Hashrate failed: ', err);
-							callback(err, null);
+							error = err;
 						}
 
-						callback(null, hashrate);
+						callback(error, hashrate);
 					});
 				}
 				else {
@@ -476,33 +479,35 @@ Node.prototype.getStats = function(forced)
 			gasPrice: function (callback)
 			{
 				async.nextTick(function () {
-					var gasPrice;
+					var gasPrice = null;
+					var error = null;
 
 					try {
 						gasPrice = web3.toBigNumber(web3.eth.gasPrice).toString(10);
 					}
 					catch (err) {
 						console.error('xx>', 'gasPrice failed: ', err);
-						callback(err, null);
+						error = err;
 					}
 
-					callback(null, gasPrice);
+					callback(error, gasPrice);
 				});
 			},
 			// minerName: function (callback)
 			// {
 			// 	async.nextTick(function () {
-			// 		var minerName;
+			// 		var minerName = null;
+			// 		var error = null;
 
 			// 		try {
 			// 			minerName = self.getMinerName(self.stats.block.miner);
 			// 		}
 			// 		catch (err) {
 			// 			console.error('xx>', 'minerName failed: ', err);
-			// 			callback(err, null);
+			// 			error = err;
 			// 		}
 
-			// 		callback(null, minerName);
+			// 		callback(error, minerName);
 			// 	});
 			// }
 		},