From 7d9151abc662bfc1ab67a232c1e7e50f34020481 Mon Sep 17 00:00:00 2001
From: Manuel Araoz <manuelaraoz@gmail.com>
Date: Fri, 28 Nov 2014 18:44:23 -0300
Subject: [PATCH] fix classify tests

---
 lib/script.js  | 14 +++++++++++---
 test/script.js |  5 +++--
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/lib/script.js b/lib/script.js
index c53d675..6b827b1 100644
--- a/lib/script.js
+++ b/lib/script.js
@@ -225,9 +225,17 @@ Script.prototype.isScriptHashOut = function() {
  * Note that these are frequently indistinguishable from pubkeyhashin
  */
 Script.prototype.isScriptHashIn = function() {
-  return this.chunks.every(function(chunk) {
-    return Buffer.isBuffer(chunk.buf);
-  });
+  var chunk = this.chunks[this.chunks.length - 1];
+  if (!chunk) {
+    return false;
+  }
+  var scriptBuf = chunk.buf;
+  if (!scriptBuf) {
+    return false;
+  }
+  var redeemScript = new Script(scriptBuf);
+  var type = redeemScript.classify();
+  return type !== Script.types.UNKNOWN;
 };
 
 /**
diff --git a/test/script.js b/test/script.js
index d96ba27..c3cc169 100644
--- a/test/script.js
+++ b/test/script.js
@@ -293,10 +293,11 @@ describe('Script', function() {
       Script('47 0x3044022077a8d81e656c4a1c1721e68ce35fa0b27f13c342998e75854858c12396a15ffa02206378a8c6959283c008c87a14a9c0ada5cf3934ac5ee29f1fef9cac6969783e9801 21 0x03993c230da7dabb956292851ae755f971c50532efc095a16bee07f83ab9d262df').classify().should.equal(Script.types.PUBKEYHASH_IN);
     });
     it('should classify script hash out', function() {
-      Script('').classify().should.equal(Script.types.SCRIPTHASH_OUT);
+      Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL').classify().should.equal(Script.types.SCRIPTHASH_OUT);
     });
     it('should classify script hash in', function() {
-      Script('').classify().should.equal(Script.types.SCRIPTHASH_IN);
+      var x = Script('OP_0 73 0x30460221008ca148504190c10eea7f5f9c283c719a37be58c3ad617928011a1bb9570901d2022100ced371a23e86af6f55ff4ce705c57d2721a09c4d192ca39d82c4239825f75a9801 72 0x30450220357011fd3b3ad2b8f2f2d01e05dc6108b51d2a245b4ef40c112d6004596f0475022100a8208c93a39e0c366b983f9a80bfaf89237fcd64ca543568badd2d18ee2e1d7501 OP_PUSHDATA1 105 0x5221024c02dff2f0b8263a562a69ec875b2c95ffad860f428acf2f9e8c6492bd067d362103546324a1351a6b601c623b463e33b6103ca444707d5b278ece1692f1aa7724a42103b1ad3b328429450069cc3f9fa80d537ee66ba1120e93f3f185a5bf686fb51e0a53ae');
+      x.classify().should.equal(Script.types.SCRIPTHASH_IN);
     });
     it('should classify MULTISIG out', function() {
       Script('').classify().should.equal(Script.types.MULTISIG_OUT);