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psbt: Make sighash_type std::optional<int>

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It is better to ues an optional to determine whether the sighash type
is set rather than using 0 as a magic number.
This commit is contained in:
Andrew Chow
2021-11-15 13:54:01 -05:00
parent 577bd51a4b
commit eb9a1a2c59
3 changed files with 10 additions and 8 deletions
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10
src/psbt.h
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@ -57,7 +57,7 @@ struct PSBTInput
std::map<CPubKey, KeyOriginInfo> hd_keypaths;
std::map<CKeyID, SigPair> partial_sigs;
std::map<std::vector<unsigned char>, std::vector<unsigned char>> unknown;
int sighash_type = 0;
std::optional<int> sighash_type;
bool IsNull() const;
void FillSignatureData(SignatureData& sigdata) const;
@ -86,9 +86,9 @@ struct PSBTInput
}
// Write the sighash type
if (sighash_type > 0) {
if (sighash_type != std::nullopt) {
SerializeToVector(s, PSBT_IN_SIGHASH);
SerializeToVector(s, sighash_type);
SerializeToVector(s, *sighash_type);
}
// Write the redeem script
@ -201,7 +201,9 @@ struct PSBTInput
} else if (key.size() != 1) {
throw std::ios_base::failure("Sighash type key is more than one byte type");
}
UnserializeFromVector(s, sighash_type);
int sighash;
UnserializeFromVector(s, sighash);
sighash_type = sighash;
break;
case PSBT_IN_REDEEMSCRIPT:
{