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

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ac2ff4fb1e 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 ac2ff4fb1e

Tree-SHA512: 7e7f5af51c1acd7a42af273e5ee5e2faddd250ba8b8f63ccb3172d95f153ae391b2816b79564b856571af52dc2a767b5736a5d10ffb5cd2c540cd9832bf86419
This commit is contained in:
MarcoFalke 2020-09-05 13:43:33 +02:00
commit 81a19e7253
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1 changed files with 3 additions and 2 deletions
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5
src/core_write.cpp
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@ -111,8 +111,9 @@ 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.
}
}