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Extract Taproot internal keyid with GetKeyFromDestination

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This commit is contained in:
Andrew Chow
2021-06-23 21:17:48 -04:00
parent d8abbe119c
commit 4868c9f1b3
1 changed files with 12 additions and 2 deletions
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14
src/script/signingprovider.cpp
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@@ -190,8 +190,8 @@ bool FillableSigningProvider::GetCScript(const CScriptID &hash, CScript& redeemS
CKeyID GetKeyForDestination(const SigningProvider& store, const CTxDestination& dest) CKeyID GetKeyForDestination(const SigningProvider& store, const CTxDestination& dest)
{ {
// Only supports destinations which map to single public keys, i.e. P2PKH, // Only supports destinations which map to single public keys:
// P2WPKH, and P2SH-P2WPKH. // P2PKH, P2WPKH, P2SH-P2WPKH, P2TR
if (auto id = std::get_if<PKHash>(&dest)) { if (auto id = std::get_if<PKHash>(&dest)) {
return ToKeyID(*id); return ToKeyID(*id);
} }
@@ -208,5 +208,15 @@ CKeyID GetKeyForDestination(const SigningProvider& store, const CTxDestination&
} }
} }
} }
if (auto output_key = std::get_if<WitnessV1Taproot>(&dest)) {
TaprootSpendData spenddata;
CPubKey pub;
if (store.GetTaprootSpendData(*output_key, spenddata)
&& !spenddata.internal_key.IsNull()
&& spenddata.merkle_root.IsNull()
&& store.GetPubKeyByXOnly(spenddata.internal_key, pub)) {
return pub.GetID();
}
}
return CKeyID(); return CKeyID();
} }