From a801663c6da4eb52d932539d7e9b861dad36f55d Mon Sep 17 00:00:00 2001
From: Braydon Fuller <braydon@bitpay.com>
Date: Mon, 5 Jan 2015 17:31:51 -0500
Subject: [PATCH] Fixed bug in Safari for PublicKey and Script instance
 checking in Address

---
 lib/address.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/address.js b/lib/address.js
index 96d1a06..b773f9d 100644
--- a/lib/address.js
+++ b/lib/address.js
@@ -213,8 +213,9 @@ Address._transformBuffer = function(buffer, network, type){
  * @private
  */
 Address._transformPublicKey = function(pubkey){
+  var PublicKey = require('./publickey');
   var info = {};
-  if (!pubkey.constructor || (pubkey.constructor.name && pubkey.constructor.name !== 'PublicKey')) {
+  if (!(pubkey instanceof PublicKey)) {
     throw new TypeError('Address must be an instance of PublicKey.');
   }
   info.hashBuffer = Hash.sha256ripemd160(pubkey.toBuffer());
@@ -230,8 +231,9 @@ Address._transformPublicKey = function(pubkey){
  * @private
  */
 Address._transformScript = function(script, network){
+  var Script = require('./script');
   var info = {};
-  if (!script.constructor || (script.constructor.name && script.constructor.name !== 'Script')) {
+  if (!(script instanceof Script)) {
     throw new TypeError('Address must be an instance of Script.');
   }
   if (script.isScriptHashOut()) {