Merge #19852: refactor: Avoid duplicate map lookup in ScriptToAsmStr

ac2ff4fb1e06270cf17727f90599c9f3a55ddd5a refactor: Avoid duplicate map lookup in ScriptToAsmStr (João Barbosa)

Pull request description:

  Simple change that avoids a duplicate (unnecessary) `mapSigHashTypes` lookup.

ACKs for top commit:
  laanwj:
    re-ACK ac2ff4fb1e06270cf17727f90599c9f3a55ddd5a

Tree-SHA512: 7e7f5af51c1acd7a42af273e5ee5e2faddd250ba8b8f63ccb3172d95f153ae391b2816b79564b856571af52dc2a767b5736a5d10ffb5cd2c540cd9832bf86419
This commit is contained in:
MarcoFalke 2020-09-05 13:43:33 +02:00 committed by pasta
parent a560d32f8c
commit 64c0ce9401

View File

@ -120,8 +120,9 @@ std::string ScriptToAsmStr(const CScript& script, const bool fAttemptSighashDeco
// checks in CheckSignatureEncoding.
if (CheckSignatureEncoding(vch, SCRIPT_VERIFY_STRICTENC, nullptr)) {
const unsigned char chSigHashType = vch.back();
if (mapSigHashTypes.count(chSigHashType)) {
strSigHashDecode = "[" + mapSigHashTypes.find(chSigHashType)->second + "]";
const auto it = mapSigHashTypes.find(chSigHashType);
if (it != mapSigHashTypes.end()) {
strSigHashDecode = "[" + it->second + "]";
vch.pop_back(); // remove the sighash type byte. it will be replaced by the decode.
}
}