From efdd5d8761e867a96785f6eaad1297f85b46f772 Mon Sep 17 00:00:00 2001
From: Ivan Socolsky <jungans@gmail.com>
Date: Fri, 17 Jul 2015 10:52:00 -0300
Subject: [PATCH] avoid adding extra attributes to utxo list

---
 lib/server.js | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/lib/server.js b/lib/server.js
index d23f85e..f7a9c24 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -769,16 +769,21 @@ WalletService.prototype._selectTxInputs = function(txp, cb) {
   var self = this;
 
   function sortUtxos(utxos) {
-    _.each(utxos, function(utxo) {
+    var list = _.map(utxos, function(utxo) {
+      var order;
       if (utxo.confirmations == 0) {
-        utxo.confirmationLevel = 0;
+        order = 0;
       } else if (utxo.confirmations < 6) {
-        utxo.confirmationLevel = -1;
+        order = -1;
       } else {
-        utxo.confirmationLevel = -2;
+        order = -2;
       }
+      return {
+        order: order,
+        utxo: utxo
+      };
     });
-    return _.sortBy(utxos, 'confirmationLevel');
+    return _.pluck(_.sortBy(list, 'order'), 'utxo');
   };
 
   self._getUtxos(function(err, utxos) {