I've been writing Python code to fetch various transactions and came across this: [77822fd6663c665104119cb7635352756dfc50da76a92d417ec1a12c518fad69](https://blockexplorer.com/rawtx/77822fd6663c665104119cb7635352756dfc50da76a92d417ec1a12c518fad69). 

The script field is as follows:

* `scriptPubKey: "OP_IF OP_INVALIDOPCODE 4effffffff ........... OP_ENDIF"` (where ..... is the hex data, all ~2900 bytes worth)

What is going on with..?:

* *OP\_IF* / *OP\_ENDIF* codes ([wiki says](https://en.bitcoin.it/wiki/Script) they correctly open and finish a script)
* *OP\_INVALIDOPCODE*
* *0x4effffffff*
* the HUGE data size of 

```
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 `

```

Which decodes to:

```
c ♣N    Mú♣From a3a61fef43309b9fb23225df7910b03afc5465b9 Mon Sep 17 00:00:00 2001
From: Satoshi Nakamoto <satoshin@gmx.com>
Date: Mon, 12 Aug 2013 02:28:02 -0200
Subject: [PATCH] Remove (SINGLE|DOUBLE)BYTE

I removed this from Bitcoin in f1e1fb4bdef878c8fc1564fa418d44e7541a7e83
in Sept 7 2010, almost three years ago. Be warned that I have not
actually tested this patch.
---
 backends/bitcoind/deserialize.py |    8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/backends/bitcoind/deserialize.py b/backends/bitcoind/deserialize.py
index 6620583..89b9b1b 100644
--- a/backends/bitcoind/deserialize.py
+++ b/backends/bitcoind/deserialize.py
@@ -280,10 +280,8 @@ opcodes = Enumeration("Opcodes", [
     "OP_WITHIN", "OP_RIPEMD160", "OP_SHA1", "OP_SHA256", "OP_HASH160",
     "OP_HASH256", "OP_CODESEPARATOR", "OP_CHECKSIG", "OP_CHECKSIGVERIFY", "OP_CHECKMULTISIG",
     "OP_CHECKMULTISIGVERIFY",
-    ("OP_SINGLEBYTE_END", 0xF0),
-    ("OP_DOUBLEBYTE_BEGIN", 0xF000),
     "OP_PUBKEY", "OP_PUBKEYHASH",
-    ("OP_INVALIDOPCODE", 0xFFFF),
+    ("OP_INVALIDOPCODE", 0xFF),
 ])

@@ -293,10 +291,6 @@ def script_GetOp(bytes):
         vch = None
         opcode = ord(bytes[i])
         i += 1
-        if opcode >= opcodes.OP_SINGLEBYTE_END and i < len(bytes):
-            opcode <<= 8
-            opcode |= ord(bytes[i])
-            i += 1

         if opcode <= opcodes.OP_PUSHDATA4:
             nSize = opcode
--
1.7.9.4

h

```

**Are there other non-standard transaction examples which are similarly noteworthy**? To be clear, the hidden code is fun, but I'm looking for non-standard usage of *OP\_CODE*s in Txns which have preferably been accepted as well formatted.