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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.
This commit is contained in:
Andrew Chow
2022-10-28 19:33:39 -04:00
parent 8b050762b1
commit 323890d0d7
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));