diff options
| -rw-r--r-- | src/script/standard.cpp | 52 |
1 files changed, 20 insertions, 32 deletions
diff --git a/src/script/standard.cpp b/src/script/standard.cpp index 7d89a336fb..7e3d2f6fbc 100644 --- a/src/script/standard.cpp +++ b/src/script/standard.cpp @@ -239,59 +239,47 @@ bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std:: namespace { -class CScriptVisitor : public boost::static_visitor<bool> +class CScriptVisitor : public boost::static_visitor<CScript> { -private: - CScript *script; public: - explicit CScriptVisitor(CScript *scriptin) { script = scriptin; } - - bool operator()(const CNoDestination &dest) const { - script->clear(); - return false; + CScript operator()(const CNoDestination& dest) const + { + return CScript(); } - bool operator()(const PKHash &keyID) const { - script->clear(); - *script << OP_DUP << OP_HASH160 << ToByteVector(keyID) << OP_EQUALVERIFY << OP_CHECKSIG; - return true; + CScript operator()(const PKHash& keyID) const + { + return CScript() << OP_DUP << OP_HASH160 << ToByteVector(keyID) << OP_EQUALVERIFY << OP_CHECKSIG; } - bool operator()(const ScriptHash &scriptID) const { - script->clear(); - *script << OP_HASH160 << ToByteVector(scriptID) << OP_EQUAL; - return true; + CScript operator()(const ScriptHash& scriptID) const + { + return CScript() << OP_HASH160 << ToByteVector(scriptID) << OP_EQUAL; } - bool operator()(const WitnessV0KeyHash& id) const + CScript operator()(const WitnessV0KeyHash& id) const { - script->clear(); - *script << OP_0 << ToByteVector(id); - return true; + return CScript() << OP_0 << ToByteVector(id); } - bool operator()(const WitnessV0ScriptHash& id) const + CScript operator()(const WitnessV0ScriptHash& id) const { - script->clear(); - *script << OP_0 << ToByteVector(id); - return true; + return CScript() << OP_0 << ToByteVector(id); } - bool operator()(const WitnessUnknown& id) const + CScript operator()(const WitnessUnknown& id) const { - script->clear(); - *script << CScript::EncodeOP_N(id.version) << std::vector<unsigned char>(id.program, id.program + id.length); - return true; + return CScript() << CScript::EncodeOP_N(id.version) << std::vector<unsigned char>(id.program, id.program + id.length); } }; + +const CScriptVisitor g_script_visitor; + } // namespace CScript GetScriptForDestination(const CTxDestination& dest) { - CScript script; - - boost::apply_visitor(CScriptVisitor(&script), dest); - return script; + return boost::apply_visitor(::g_script_visitor, dest); } CScript GetScriptForRawPubKey(const CPubKey& pubKey) |