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parsing external signer master fingerprint string as bytes instead of caring for lower/upper case in ExternalSigner::SignTransaction

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This commit is contained in:
avirgovi 2022-04-28 19:52:51 +02:00
parent 74d9f4bd95
commit 2a22f034ca
1 changed files with 3 additions and 2 deletions
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5
src/external_signer.cpp
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@ -74,11 +74,12 @@ bool ExternalSigner::SignTransaction(PartiallySignedTransaction& psbtx, std::str
// Serialize the PSBT
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << psbtx;
// parse ExternalSigner master fingerprint
std::vector<unsigned char> parsed_m_fingerprint = ParseHex(m_fingerprint);
// Check if signer fingerprint matches any input master key fingerprint
auto matches_signer_fingerprint = [&](const PSBTInput& input) {
for (const auto& entry : input.hd_keypaths) {
if (m_fingerprint == strprintf("%08x", ReadBE32(entry.second.fingerprint))) return true;
if (parsed_m_fingerprint == MakeUCharSpan(entry.second.fingerprint)) return true;
}
return false;
};