From e2357c09ce74f30676e129e15ef16adbfe0493c1 Mon Sep 17 00:00:00 2001
From: Daniel Cousens <github@dcousens.com>
Date: Sat, 30 Aug 2014 12:10:02 +1000
Subject: [PATCH] TxBuilder: fix invalid txin.index usage for non-zero vin
 inputs

---
 src/transaction_builder.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/transaction_builder.js b/src/transaction_builder.js
index 05c0591..c4f18da 100644
--- a/src/transaction_builder.js
+++ b/src/transaction_builder.js
@@ -30,7 +30,7 @@ TransactionBuilder.fromTransaction = function(transaction) {
   })
 
   // Extract/add signatures
-  transaction.ins.forEach(function(txin) {
+  transaction.ins.forEach(function(txin, i) {
     // Ignore empty scripts
     if (txin.script.buffer.length === 0) return
 
@@ -86,7 +86,7 @@ TransactionBuilder.fromTransaction = function(transaction) {
         assert(false, scriptType + ' not supported')
     }
 
-    txb.signatures[txin.index] = {
+    txb.signatures[i] = {
       hashType: hashType,
       pubKeys: pubKeys,
       redeemScript: redeemScript,