From 8c7746c4de503e699f4cc701daf21124b166b381 Mon Sep 17 00:00:00 2001
From: Gregory Sanders <gsanders87@gmail.com>
Date: Mon, 17 Dec 2018 09:36:05 -0500
Subject: [PATCH] Add CScript::IsPayToPubkeyHash convienience function

---
 src/script/script.cpp | 10 ++++++++++
 src/script/script.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/src/script/script.cpp b/src/script/script.cpp
index fba7745983..8814139b2c 100644
--- a/src/script/script.cpp
+++ b/src/script/script.cpp
@@ -234,6 +234,16 @@ bool CScript::IsPegoutScript(const uint256& genesis_hash_check) const
     return false;
 }
 
+bool CScript::IsPayToPubkeyHash() const
+{
+    // Extra-fast test for pay-to-pubkey-hash CScripts:
+    return (this->size() == 25 &&
+            (*this)[0] == OP_DUP &&
+            (*this)[1] == OP_HASH160 &&
+            (*this)[2] == 0x14 &&
+            (*this)[23] == OP_EQUALVERIFY &&
+            (*this)[24] == OP_CHECKSIG);
+}
 // END ELEMENTS
 //
 
diff --git a/src/script/script.h b/src/script/script.h
index a66dbc9353..7e6fdcf1d8 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -537,6 +537,7 @@ public:
      */
     unsigned int GetSigOpCount(const CScript& scriptSig) const;
 
+    bool IsPayToPubkeyHash() const;
     bool IsPayToScriptHash() const;
     bool IsPayToWitnessScriptHash() const;
     bool IsWitnessProgram(int& version, std::vector<unsigned char>& program) const;