From c5c23dfa483fea5580a37bc70e63f2b16c5c2cbd Mon Sep 17 00:00:00 2001
From: Matias Alejo Garcia <ematiu@gmail.com>
Date: Tue, 14 Jul 2015 17:06:02 -0300
Subject: [PATCH] skip double spends in /txs

---
 app/controllers/addresses.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/app/controllers/addresses.js b/app/controllers/addresses.js
index b217edb..78c514b 100644
--- a/app/controllers/addresses.js
+++ b/app/controllers/addresses.js
@@ -161,13 +161,18 @@ exports.multitxs = function(req, res, next) {
         }
         if (tx && tx.info) {
           txIndex[tx.txid].info = tx.info;
-        }
+        } else 
+          nbTxs--;
+
         callback();
       });
     }, function(err) {
       if (err) return cb(err);
 
-      var transactions = _.pluck(txs, 'info');
+      // It could be that a txid is stored at an address but it is
+      // no longer at bitcoind (for example a double spend)
+      
+      var transactions = _.compact(_.pluck(txs, 'info'));
       transactions = {
         totalItems: nbTxs,
         from: +from,