From e7fa65d01e795a0166b534e76db2a201828f8c95 Mon Sep 17 00:00:00 2001
From: Ava Chow <github@achow101.com>
Date: Wed, 8 Jan 2025 17:33:32 -0500
Subject: [PATCH] script: Add IsPayToTaproot()

---
 src/script/script.cpp | 7 +++++++
 src/script/script.h   | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/src/script/script.cpp b/src/script/script.cpp
index d650db9a0d6..829e351be69 100644
--- a/src/script/script.cpp
+++ b/src/script/script.cpp
@@ -238,6 +238,13 @@ bool CScript::IsPayToWitnessScriptHash() const
             (*this)[1] == 0x20);
 }
 
+bool CScript::IsPayToTaproot() const
+{
+    return (this->size() == 34 &&
+            (*this)[0] == OP_1 &&
+            (*this)[1] == 0x20);
+}
+
 // A witness program is any valid CScript that consists of a 1-byte push opcode
 // followed by a data push between 2 and 40 bytes.
 bool CScript::IsWitnessProgram(int& version, std::vector<unsigned char>& program) const
diff --git a/src/script/script.h b/src/script/script.h
index f4579849803..6104630a1ee 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -556,6 +556,8 @@ public:
     bool IsPayToWitnessScriptHash() const;
     bool IsWitnessProgram(int& version, std::vector<unsigned char>& program) const;
 
+    bool IsPayToTaproot() const;
+
     /** Called by IsStandardTx and P2SH/BIP62 VerifyScript (which makes it consensus-critical). */
     bool IsPushOnly(const_iterator pc) const;
     bool IsPushOnly() const;