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sign: Fill in taproot pubkey info for all script path sigs

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Taproot pubkey info was not being added for multi_a signing. The filling
of this info is moved into the common function CreateTaprootScriptSig so
that any signing of taproot scripts will include the pubkey info.

Github-Pull: #26418
Rebased-From: 323890d0d7
This commit is contained in:
Andrew Chow 2022-10-28 19:33:39 -04:00 • committed by fanquake
parent bb1fabda30
commit 754eefd21c
No known key found for this signature in database
GPG key ID: 2EEB9F5CC09526C1
1 changed files with 10 additions and 11 deletions
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21
src/script/sign.cpp
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@ -146,6 +146,16 @@ static bool CreateSig(const BaseSignatureCreator& creator, SignatureData& sigdat
static bool CreateTaprootScriptSig(const BaseSignatureCreator& creator, SignatureData& sigdata, const SigningProvider& provider, std::vector<unsigned char>& sig_out, const XOnlyPubKey& pubkey, const uint256& leaf_hash, SigVersion sigversion)
{
KeyOriginInfo info;
if (provider.GetKeyOriginByXOnly(pubkey, info)) {
auto it = sigdata.taproot_misc_pubkeys.find(pubkey);
if (it == sigdata.taproot_misc_pubkeys.end()) {
sigdata.taproot_misc_pubkeys.emplace(pubkey, std::make_pair(std::set<uint256>({leaf_hash}), info));
} else {
it->second.first.insert(leaf_hash);
}
}
auto lookup_key = std::make_pair(pubkey, leaf_hash);
auto it = sigdata.taproot_script_sigs.find(lookup_key);
if (it != sigdata.taproot_script_sigs.end()) {
@ -170,17 +180,6 @@ static bool SignTaprootScript(const SigningProvider& provider, const BaseSignatu
// <xonly pubkey> OP_CHECKSIG
if (script.size() == 34 && script[33] == OP_CHECKSIG && script[0] == 0x20) {
XOnlyPubKey pubkey{Span{script}.subspan(1, 32)};
KeyOriginInfo info;
if (provider.GetKeyOriginByXOnly(pubkey, info)) {
auto it = sigdata.taproot_misc_pubkeys.find(pubkey);
if (it == sigdata.taproot_misc_pubkeys.end()) {
sigdata.taproot_misc_pubkeys.emplace(pubkey, std::make_pair(std::set<uint256>({leaf_hash}), info));
} else {
it->second.first.insert(leaf_hash);
}
}
std::vector<unsigned char> sig;
if (CreateTaprootScriptSig(creator, sigdata, provider, sig, pubkey, leaf_hash, sigversion)) {
result = Vector(std::move(sig));