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Fill PSBT Taproot output data to/from SignatureData

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This commit is contained in:
Andrew Chow
2021-07-19 16:02:36 -04:00
parent 25b6ae46e7
commit ac7747585f
3 changed files with 23 additions and 0 deletions
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4
src/script/sign.cpp
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@@ -216,11 +216,15 @@ static bool SignTaprootScript(const SigningProvider& provider, const BaseSignatu
static bool SignTaproot(const SigningProvider& provider, const BaseSignatureCreator& creator, const WitnessV1Taproot& output, SignatureData& sigdata, std::vector<valtype>& result)
{
TaprootSpendData spenddata;
TaprootBuilder builder;
// Gather information about this output.
if (provider.GetTaprootSpendData(output, spenddata)) {
sigdata.tr_spenddata.Merge(spenddata);
}
if (provider.GetTaprootBuilder(output, builder)) {
sigdata.tr_builder = builder;
}
// Try key path spending.
{

1
src/script/sign.h
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@@ -70,6 +70,7 @@ struct SignatureData {
CScript witness_script; ///< The witnessScript (if any) for the input. witnessScripts are used in P2WSH outputs.
CScriptWitness scriptWitness; ///< The scriptWitness of an input. Contains complete signatures or the traditional partial signatures format. scriptWitness is part of a transaction input per BIP 144.
TaprootSpendData tr_spenddata; ///< Taproot spending data.
std::optional<TaprootBuilder> tr_builder; ///< Taproot tree used to build tr_spenddata.
std::map<CKeyID, SigPair> signatures; ///< BIP 174 style partial signatures for the input. May contain all signatures necessary for producing a final scriptSig or scriptWitness.
std::map<CKeyID, std::pair<CPubKey, KeyOriginInfo>> misc_pubkeys;
std::vector<unsigned char> taproot_key_path_sig; /// Schnorr signature for key path spending