From efa0d3eac53d3d3d8c352f5ccb48302f4c2eeb35 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Sun, 11 Dec 2016 10:08:46 -0800
Subject: [PATCH] script: fix potential uncaught error.

---
 lib/script/script.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/script/script.js b/lib/script/script.js
index f11558c9..a3c24bfd 100644
--- a/lib/script/script.js
+++ b/lib/script/script.js
@@ -2976,6 +2976,9 @@ Script.prototype.getScripthashSigops = function getScripthashSigops(input) {
   if (!this.isScripthash())
     return this.getSigops(true);
 
+  if (input.code.length === 0)
+    return 0;
+
   for (i = 0; i < input.code.length; i++) {
     op = input.code[i];