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-rw-r--r--src/script/sign.cpp221
1 files changed, 0 insertions, 221 deletions
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 792fb2997f..9d6a390ea2 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -232,67 +232,6 @@ bool ProduceSignature(const SigningProvider& provider, const BaseSignatureCreato
return sigdata.complete;
}
-bool PSBTInputSigned(PSBTInput& input)
-{
- return !input.final_script_sig.empty() || !input.final_script_witness.IsNull();
-}
-
-bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash)
-{
- PSBTInput& input = psbt.inputs.at(index);
- const CMutableTransaction& tx = *psbt.tx;
-
- if (PSBTInputSigned(input)) {
- return true;
- }
-
- // Fill SignatureData with input info
- SignatureData sigdata;
- input.FillSignatureData(sigdata);
-
- // Get UTXO
- bool require_witness_sig = false;
- CTxOut utxo;
-
- // Verify input sanity, which checks that at most one of witness or non-witness utxos is provided.
- if (!input.IsSane()) {
- return false;
- }
-
- if (input.non_witness_utxo) {
- // If we're taking our information from a non-witness UTXO, verify that it matches the prevout.
- COutPoint prevout = tx.vin[index].prevout;
- if (input.non_witness_utxo->GetHash() != prevout.hash) {
- return false;
- }
- utxo = input.non_witness_utxo->vout[prevout.n];
- } else if (!input.witness_utxo.IsNull()) {
- utxo = input.witness_utxo;
- // When we're taking our information from a witness UTXO, we can't verify it is actually data from
- // the output being spent. This is safe in case a witness signature is produced (which includes this
- // information directly in the hash), but not for non-witness signatures. Remember that we require
- // a witness signature in this situation.
- require_witness_sig = true;
- } else {
- return false;
- }
-
- MutableTransactionSignatureCreator creator(&tx, index, utxo.nValue, sighash);
- sigdata.witness = false;
- bool sig_complete = ProduceSignature(provider, creator, utxo.scriptPubKey, sigdata);
- // Verify that a witness signature was produced in case one was required.
- if (require_witness_sig && !sigdata.witness) return false;
- input.FromSignatureData(sigdata);
-
- // If we have a witness signature, use the smaller witness UTXO.
- if (sigdata.witness) {
- input.witness_utxo = utxo;
- input.non_witness_utxo = nullptr;
- }
-
- return sig_complete;
-}
-
class SignatureExtractorChecker final : public BaseSignatureChecker
{
private:
@@ -509,166 +448,6 @@ bool IsSolvable(const SigningProvider& provider, const CScript& script)
return false;
}
-PartiallySignedTransaction::PartiallySignedTransaction(const CMutableTransaction& tx) : tx(tx)
-{
- inputs.resize(tx.vin.size());
- outputs.resize(tx.vout.size());
-}
-
-bool PartiallySignedTransaction::IsNull() const
-{
- return !tx && inputs.empty() && outputs.empty() && unknown.empty();
-}
-
-void PartiallySignedTransaction::Merge(const PartiallySignedTransaction& psbt)
-{
- for (unsigned int i = 0; i < inputs.size(); ++i) {
- inputs[i].Merge(psbt.inputs[i]);
- }
- for (unsigned int i = 0; i < outputs.size(); ++i) {
- outputs[i].Merge(psbt.outputs[i]);
- }
- unknown.insert(psbt.unknown.begin(), psbt.unknown.end());
-}
-
-bool PartiallySignedTransaction::IsSane() const
-{
- for (PSBTInput input : inputs) {
- if (!input.IsSane()) return false;
- }
- return true;
-}
-
-bool PSBTInput::IsNull() const
-{
- return !non_witness_utxo && witness_utxo.IsNull() && partial_sigs.empty() && unknown.empty() && hd_keypaths.empty() && redeem_script.empty() && witness_script.empty();
-}
-
-void PSBTInput::FillSignatureData(SignatureData& sigdata) const
-{
- if (!final_script_sig.empty()) {
- sigdata.scriptSig = final_script_sig;
- sigdata.complete = true;
- }
- if (!final_script_witness.IsNull()) {
- sigdata.scriptWitness = final_script_witness;
- sigdata.complete = true;
- }
- if (sigdata.complete) {
- return;
- }
-
- sigdata.signatures.insert(partial_sigs.begin(), partial_sigs.end());
- if (!redeem_script.empty()) {
- sigdata.redeem_script = redeem_script;
- }
- if (!witness_script.empty()) {
- sigdata.witness_script = witness_script;
- }
- for (const auto& key_pair : hd_keypaths) {
- sigdata.misc_pubkeys.emplace(key_pair.first.GetID(), key_pair);
- }
-}
-
-void PSBTInput::FromSignatureData(const SignatureData& sigdata)
-{
- if (sigdata.complete) {
- partial_sigs.clear();
- hd_keypaths.clear();
- redeem_script.clear();
- witness_script.clear();
-
- if (!sigdata.scriptSig.empty()) {
- final_script_sig = sigdata.scriptSig;
- }
- if (!sigdata.scriptWitness.IsNull()) {
- final_script_witness = sigdata.scriptWitness;
- }
- return;
- }
-
- partial_sigs.insert(sigdata.signatures.begin(), sigdata.signatures.end());
- if (redeem_script.empty() && !sigdata.redeem_script.empty()) {
- redeem_script = sigdata.redeem_script;
- }
- if (witness_script.empty() && !sigdata.witness_script.empty()) {
- witness_script = sigdata.witness_script;
- }
- for (const auto& entry : sigdata.misc_pubkeys) {
- hd_keypaths.emplace(entry.second);
- }
-}
-
-void PSBTInput::Merge(const PSBTInput& input)
-{
- if (!non_witness_utxo && input.non_witness_utxo) non_witness_utxo = input.non_witness_utxo;
- if (witness_utxo.IsNull() && !input.witness_utxo.IsNull()) {
- witness_utxo = input.witness_utxo;
- non_witness_utxo = nullptr; // Clear out any non-witness utxo when we set a witness one.
- }
-
- partial_sigs.insert(input.partial_sigs.begin(), input.partial_sigs.end());
- hd_keypaths.insert(input.hd_keypaths.begin(), input.hd_keypaths.end());
- unknown.insert(input.unknown.begin(), input.unknown.end());
-
- if (redeem_script.empty() && !input.redeem_script.empty()) redeem_script = input.redeem_script;
- if (witness_script.empty() && !input.witness_script.empty()) witness_script = input.witness_script;
- if (final_script_sig.empty() && !input.final_script_sig.empty()) final_script_sig = input.final_script_sig;
- if (final_script_witness.IsNull() && !input.final_script_witness.IsNull()) final_script_witness = input.final_script_witness;
-}
-
-bool PSBTInput::IsSane() const
-{
- // Cannot have both witness and non-witness utxos
- if (!witness_utxo.IsNull() && non_witness_utxo) return false;
-
- // If we have a witness_script or a scriptWitness, we must also have a witness utxo
- if (!witness_script.empty() && witness_utxo.IsNull()) return false;
- if (!final_script_witness.IsNull() && witness_utxo.IsNull()) return false;
-
- return true;
-}
-
-void PSBTOutput::FillSignatureData(SignatureData& sigdata) const
-{
- if (!redeem_script.empty()) {
- sigdata.redeem_script = redeem_script;
- }
- if (!witness_script.empty()) {
- sigdata.witness_script = witness_script;
- }
- for (const auto& key_pair : hd_keypaths) {
- sigdata.misc_pubkeys.emplace(key_pair.first.GetID(), key_pair);
- }
-}
-
-void PSBTOutput::FromSignatureData(const SignatureData& sigdata)
-{
- if (redeem_script.empty() && !sigdata.redeem_script.empty()) {
- redeem_script = sigdata.redeem_script;
- }
- if (witness_script.empty() && !sigdata.witness_script.empty()) {
- witness_script = sigdata.witness_script;
- }
- for (const auto& entry : sigdata.misc_pubkeys) {
- hd_keypaths.emplace(entry.second);
- }
-}
-
-bool PSBTOutput::IsNull() const
-{
- return redeem_script.empty() && witness_script.empty() && hd_keypaths.empty() && unknown.empty();
-}
-
-void PSBTOutput::Merge(const PSBTOutput& output)
-{
- hd_keypaths.insert(output.hd_keypaths.begin(), output.hd_keypaths.end());
- unknown.insert(output.unknown.begin(), output.unknown.end());
-
- if (redeem_script.empty() && !output.redeem_script.empty()) redeem_script = output.redeem_script;
- if (witness_script.empty() && !output.witness_script.empty()) witness_script = output.witness_script;
-}
-
bool HidingSigningProvider::GetCScript(const CScriptID& scriptid, CScript& script) const
{
return m_provider->GetCScript(scriptid, script);
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-05 05:58:57 +0000