BIP141: Witness program

src/script/script.h

@@ -621,6 +621,7 @@ public:
     unsigned int GetSigOpCount(const CScript& scriptSig) const;
 
     bool IsPayToScriptHash() const;
+    bool IsWitnessProgram(int& version, std::vector<unsigned char>& program) const;
 
     /** Called by IsStandardTx and P2SH/BIP62 VerifyScript (which makes it consensus-critical). */
     bool IsPushOnly(const_iterator pc) const;