Merge pull request #4 from ajsutton/call-callback

Always call the callback even when mining is disabled

lib/node.js

@@ -493,6 +493,8 @@ Node.prototype.getStats = function(forced)
 			{
 				if (web3.eth.mining) {
 					web3.eth.getHashrate(callback);
+				} else {
+				    callback(null, 0);
 				}
 			},
 			gasPrice: function (callback)