From 0027672c8075d063f376c8c84e1cce77d572d353 Mon Sep 17 00:00:00 2001
From: Johnson Lau <jl2012@xbt.hk>
Date: Fri, 23 Sep 2016 13:06:45 +0800
Subject: Make non-minimal OP_IF/NOTIF argument non-standard for P2WSH

Github-Pull: #8526
Rebased-From: c72c5b1e3bd42e84465677e94aa83316ff3d9a14
---
 src/script/interpreter.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/script/interpreter.h')

diff --git a/src/script/interpreter.h b/src/script/interpreter.h
index e5d7865cd3..2ce4b23e54 100644
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -94,6 +94,10 @@ enum
     // Making v1-v16 witness program non-standard
     //
     SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM = (1U << 12),
+
+    // Segwit script only: Require the argument of OP_IF/NOTIF to be exactly 0x01 or empty vector
+    //
+    SCRIPT_VERIFY_MINIMALIF = (1U << 13),
 };
 
 bool CheckSignatureEncoding(const std::vector<unsigned char> &vchSig, unsigned int flags, ScriptError* serror);
-- 
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