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-rw-r--r--src/psbt.cpp54
-rw-r--r--src/psbt.h12
-rw-r--r--src/rpc/client.cpp1
-rw-r--r--src/rpc/rawtransaction.cpp338
-rw-r--r--src/script/sign.cpp15
-rw-r--r--src/script/sign.h4
6 files changed, 417 insertions, 7 deletions
diff --git a/src/psbt.cpp b/src/psbt.cpp
index 81633c0cc7..32fb459dec 100644
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -42,6 +42,40 @@ bool PartiallySignedTransaction::IsSane() const
return true;
}
+bool PartiallySignedTransaction::AddInput(const CTxIn& txin, PSBTInput& psbtin)
+{
+ if (std::find(tx->vin.begin(), tx->vin.end(), txin) != tx->vin.end()) {
+ return false;
+ }
+ tx->vin.push_back(txin);
+ psbtin.partial_sigs.clear();
+ psbtin.final_script_sig.clear();
+ psbtin.final_script_witness.SetNull();
+ inputs.push_back(psbtin);
+ return true;
+}
+
+bool PartiallySignedTransaction::AddOutput(const CTxOut& txout, const PSBTOutput& psbtout)
+{
+ tx->vout.push_back(txout);
+ outputs.push_back(psbtout);
+ return true;
+}
+
+bool PartiallySignedTransaction::GetInputUTXO(CTxOut& utxo, int input_index) const
+{
+ PSBTInput input = inputs[input_index];
+ int prevout_index = tx->vin[input_index].prevout.n;
+ if (input.non_witness_utxo) {
+ utxo = input.non_witness_utxo->vout[prevout_index];
+ } else if (!input.witness_utxo.IsNull()) {
+ utxo = input.witness_utxo;
+ } else {
+ 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();
@@ -171,13 +205,12 @@ void PSBTOutput::Merge(const PSBTOutput& output)
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 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)
+bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash, SignatureData* out_sigdata, bool use_dummy)
{
PSBTInput& input = psbt.inputs.at(index);
const CMutableTransaction& tx = *psbt.tx;
@@ -217,9 +250,14 @@ bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction&
return false;
}
- MutableTransactionSignatureCreator creator(&tx, index, utxo.nValue, sighash);
sigdata.witness = false;
- bool sig_complete = ProduceSignature(provider, creator, utxo.scriptPubKey, sigdata);
+ bool sig_complete;
+ if (use_dummy) {
+ sig_complete = ProduceSignature(provider, DUMMY_SIGNATURE_CREATOR, utxo.scriptPubKey, sigdata);
+ } else {
+ MutableTransactionSignatureCreator creator(&tx, index, utxo.nValue, sighash);
+ 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);
@@ -230,6 +268,14 @@ bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction&
input.non_witness_utxo = nullptr;
}
+ // Fill in the missing info
+ if (out_sigdata) {
+ out_sigdata->missing_pubkeys = sigdata.missing_pubkeys;
+ out_sigdata->missing_sigs = sigdata.missing_sigs;
+ out_sigdata->missing_redeem_script = sigdata.missing_redeem_script;
+ out_sigdata->missing_witness_script = sigdata.missing_witness_script;
+ }
+
return sig_complete;
}
diff --git a/src/psbt.h b/src/psbt.h
index e18790322b..27b0aedd05 100644
--- a/src/psbt.h
+++ b/src/psbt.h
@@ -389,9 +389,19 @@ struct PartiallySignedTransaction
* same actual Bitcoin transaction.) Returns true if the merge succeeded, false otherwise. */
NODISCARD bool Merge(const PartiallySignedTransaction& psbt);
bool IsSane() const;
+ bool AddInput(const CTxIn& txin, PSBTInput& psbtin);
+ bool AddOutput(const CTxOut& txout, const PSBTOutput& psbtout);
PartiallySignedTransaction() {}
PartiallySignedTransaction(const PartiallySignedTransaction& psbt_in) : tx(psbt_in.tx), inputs(psbt_in.inputs), outputs(psbt_in.outputs), unknown(psbt_in.unknown) {}
explicit PartiallySignedTransaction(const CMutableTransaction& tx);
+ /**
+ * Finds the UTXO for a given input index
+ *
+ * @param[out] utxo The UTXO of the input if found
+ * @param[in] input_index Index of the input to retrieve the UTXO of
+ * @return Whether the UTXO for the specified input was found
+ */
+ bool GetInputUTXO(CTxOut& utxo, int input_index) const;
template <typename Stream>
inline void Serialize(Stream& s) const {
@@ -542,7 +552,7 @@ struct PartiallySignedTransaction
bool PSBTInputSigned(PSBTInput& input);
/** Signs a PSBTInput, verifying that all provided data matches what is being signed. */
-bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash = SIGHASH_ALL);
+bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash = SIGHASH_ALL, SignatureData* out_sigdata = nullptr, bool use_dummy = false);
/**
* Finalizes a PSBT if possible, combining partial signatures.
diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp
index c5694e6d55..1cdc9f87a7 100644
--- a/src/rpc/client.cpp
+++ b/src/rpc/client.cpp
@@ -112,6 +112,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "createpsbt", 2, "locktime" },
{ "createpsbt", 3, "replaceable" },
{ "combinepsbt", 0, "txs"},
+ { "joinpsbts", 0, "txs"},
{ "finalizepsbt", 1, "extract"},
{ "converttopsbt", 1, "permitsigdata"},
{ "converttopsbt", 2, "iswitness"},
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 4d8a1b87fc..38e2dc237e 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -7,6 +7,7 @@
#include <coins.h>
#include <compat/byteswap.h>
#include <consensus/validation.h>
+#include <consensus/tx_verify.h>
#include <core_io.h>
#include <index/txindex.h>
#include <init.h>
@@ -31,6 +32,8 @@
#include <validation.h>
#include <validationinterface.h>
+
+#include <numeric>
#include <stdint.h>
#include <univalue.h>
@@ -1703,6 +1706,338 @@ UniValue converttopsbt(const JSONRPCRequest& request)
return EncodeBase64((unsigned char*)ssTx.data(), ssTx.size());
}
+UniValue utxoupdatepsbt(const JSONRPCRequest& request)
+{
+ if (request.fHelp || request.params.size() != 1) {
+ throw std::runtime_error(
+ RPCHelpMan{"utxoupdatepsbt",
+ "\nUpdates a PSBT with witness UTXOs retrieved from the UTXO set or the mempool.\n",
+ {
+ {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"}
+ },
+ RPCResult {
+ " \"psbt\" (string) The base64-encoded partially signed transaction with inputs updated\n"
+ },
+ RPCExamples {
+ HelpExampleCli("utxoupdatepsbt", "\"psbt\"")
+ }}.ToString());
+ }
+
+ RPCTypeCheck(request.params, {UniValue::VSTR}, true);
+
+ // Unserialize the transactions
+ PartiallySignedTransaction psbtx;
+ std::string error;
+ if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) {
+ throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
+ }
+
+ // Fetch previous transactions (inputs):
+ CCoinsView viewDummy;
+ CCoinsViewCache view(&viewDummy);
+ {
+ LOCK2(cs_main, mempool.cs);
+ CCoinsViewCache &viewChain = *pcoinsTip;
+ CCoinsViewMemPool viewMempool(&viewChain, mempool);
+ view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view
+
+ for (const CTxIn& txin : psbtx.tx->vin) {
+ view.AccessCoin(txin.prevout); // Load entries from viewChain into view; can fail.
+ }
+
+ view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long
+ }
+
+ // Fill the inputs
+ for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
+ PSBTInput& input = psbtx.inputs.at(i);
+
+ if (input.non_witness_utxo || !input.witness_utxo.IsNull()) {
+ continue;
+ }
+
+ const Coin& coin = view.AccessCoin(psbtx.tx->vin[i].prevout);
+
+ std::vector<std::vector<unsigned char>> solutions_data;
+ txnouttype which_type = Solver(coin.out.scriptPubKey, solutions_data);
+ if (which_type == TX_WITNESS_V0_SCRIPTHASH || which_type == TX_WITNESS_V0_KEYHASH || which_type == TX_WITNESS_UNKNOWN) {
+ input.witness_utxo = coin.out;
+ }
+ }
+
+ CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
+ ssTx << psbtx;
+ return EncodeBase64((unsigned char*)ssTx.data(), ssTx.size());
+}
+
+UniValue joinpsbts(const JSONRPCRequest& request)
+{
+ if (request.fHelp || request.params.size() != 1) {
+ throw std::runtime_error(
+ RPCHelpMan{"joinpsbts",
+ "\nJoins multiple distinct PSBTs with different inputs and outputs into one PSBT with inputs and outputs from all of the PSBTs\n"
+ "No input in any of the PSBTs can be in more than one of the PSBTs.\n",
+ {
+ {"txs", RPCArg::Type::ARR, RPCArg::Optional::NO, "A json array of base64 strings of partially signed transactions",
+ {
+ {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"}
+ }}
+ },
+ RPCResult {
+ " \"psbt\" (string) The base64-encoded partially signed transaction\n"
+ },
+ RPCExamples {
+ HelpExampleCli("joinpsbts", "\"psbt\"")
+ }}.ToString());
+ }
+
+ RPCTypeCheck(request.params, {UniValue::VARR}, true);
+
+ // Unserialize the transactions
+ std::vector<PartiallySignedTransaction> psbtxs;
+ UniValue txs = request.params[0].get_array();
+
+ if (txs.size() <= 1) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "At least two PSBTs are required to join PSBTs.");
+ }
+
+ int32_t best_version = 1;
+ uint32_t best_locktime = 0xffffffff;
+ for (unsigned int i = 0; i < txs.size(); ++i) {
+ PartiallySignedTransaction psbtx;
+ std::string error;
+ if (!DecodeBase64PSBT(psbtx, txs[i].get_str(), error)) {
+ throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
+ }
+ psbtxs.push_back(psbtx);
+ // Choose the highest version number
+ if (psbtx.tx->nVersion > best_version) {
+ best_version = psbtx.tx->nVersion;
+ }
+ // Choose the lowest lock time
+ if (psbtx.tx->nLockTime < best_locktime) {
+ best_locktime = psbtx.tx->nLockTime;
+ }
+ }
+
+ // Create a blank psbt where everything will be added
+ PartiallySignedTransaction merged_psbt;
+ merged_psbt.tx = CMutableTransaction();
+ merged_psbt.tx->nVersion = best_version;
+ merged_psbt.tx->nLockTime = best_locktime;
+
+ // Merge
+ for (auto& psbt : psbtxs) {
+ for (unsigned int i = 0; i < psbt.tx->vin.size(); ++i) {
+ if (!merged_psbt.AddInput(psbt.tx->vin[i], psbt.inputs[i])) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Input %s:%d exists in multiple PSBTs", psbt.tx->vin[i].prevout.hash.ToString().c_str(), psbt.tx->vin[i].prevout.n));
+ }
+ }
+ for (unsigned int i = 0; i < psbt.tx->vout.size(); ++i) {
+ merged_psbt.AddOutput(psbt.tx->vout[i], psbt.outputs[i]);
+ }
+ merged_psbt.unknown.insert(psbt.unknown.begin(), psbt.unknown.end());
+ }
+
+ CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
+ ssTx << merged_psbt;
+ return EncodeBase64((unsigned char*)ssTx.data(), ssTx.size());
+}
+
+UniValue analyzepsbt(const JSONRPCRequest& request)
+{
+ if (request.fHelp || request.params.size() != 1) {
+ throw std::runtime_error(
+ RPCHelpMan{"analyzepsbt",
+ "\nAnalyzes and provides information about the current status of a PSBT and its inputs\n",
+ {
+ {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"}
+ },
+ RPCResult {
+ "{\n"
+ " \"inputs\" : [ (array of json objects)\n"
+ " {\n"
+ " \"has_utxo\" : true|false (boolean) Whether a UTXO is provided\n"
+ " \"is_final\" : true|false (boolean) Whether the input is finalized\n"
+ " \"missing\" : { (json object, optional) Things that are missing that are required to complete this input\n"
+ " \"pubkeys\" : [ (array)\n"
+ " \"keyid\" (string) Public key ID, hash160 of the public key, of a public key whose BIP 32 derivation path is missing\n"
+ " ]\n"
+ " \"signatures\" : [ (array)\n"
+ " \"keyid\" (string) Public key ID, hash160 of the public key, of a public key whose signature is missing\n"
+ " ]\n"
+ " \"redeemscript\" : \"hash\" (string) Hash160 of the redeemScript that is missing\n"
+ " \"witnessscript\" : \"hash\" (string) SHA256 of the witnessScript that is missing\n"
+ " }\n"
+ " \"next\" : \"role\" (string) Role of the next person that this input needs to go to\n"
+ " }\n"
+ " ,...\n"
+ " ]\n"
+ " \"estimated_vsize\" : vsize (numeric) Estimated vsize of the final signed transaction\n"
+ " \"estimated_feerate\" : feerate (numeric, optional) Estimated feerate of the final signed transaction. Shown only if all UTXO slots in the PSBT have been filled.\n"
+ " \"fee\" : fee (numeric, optional) The transaction fee paid. Shown only if all UTXO slots in the PSBT have been filled.\n"
+ " \"next\" : \"role\" (string) Role of the next person that this psbt needs to go to\n"
+ "}\n"
+ },
+ RPCExamples {
+ HelpExampleCli("analyzepsbt", "\"psbt\"")
+ }}.ToString());
+ }
+
+ RPCTypeCheck(request.params, {UniValue::VSTR});
+
+ // Unserialize the transaction
+ PartiallySignedTransaction psbtx;
+ std::string error;
+ if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) {
+ throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
+ }
+
+ // Go through each input and build status
+ UniValue result(UniValue::VOBJ);
+ UniValue inputs_result(UniValue::VARR);
+ bool calc_fee = true;
+ bool all_final = true;
+ bool only_missing_sigs = true;
+ bool only_missing_final = false;
+ CAmount in_amt = 0;
+ for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
+ PSBTInput& input = psbtx.inputs[i];
+ UniValue input_univ(UniValue::VOBJ);
+ UniValue missing(UniValue::VOBJ);
+
+ // Check for a UTXO
+ CTxOut utxo;
+ if (psbtx.GetInputUTXO(utxo, i)) {
+ in_amt += utxo.nValue;
+ input_univ.pushKV("has_utxo", true);
+ } else {
+ input_univ.pushKV("has_utxo", false);
+ input_univ.pushKV("is_final", false);
+ input_univ.pushKV("next", "updater");
+ calc_fee = false;
+ }
+
+ // Check if it is final
+ if (!utxo.IsNull() && !PSBTInputSigned(input)) {
+ input_univ.pushKV("is_final", false);
+ all_final = false;
+
+ // Figure out what is missing
+ SignatureData outdata;
+ bool complete = SignPSBTInput(DUMMY_SIGNING_PROVIDER, psbtx, i, 1, &outdata);
+
+ // Things are missing
+ if (!complete) {
+ if (!outdata.missing_pubkeys.empty()) {
+ // Missing pubkeys
+ UniValue missing_pubkeys_univ(UniValue::VARR);
+ for (const CKeyID& pubkey : outdata.missing_pubkeys) {
+ missing_pubkeys_univ.push_back(HexStr(pubkey));
+ }
+ missing.pushKV("pubkeys", missing_pubkeys_univ);
+ }
+ if (!outdata.missing_redeem_script.IsNull()) {
+ // Missing redeemScript
+ missing.pushKV("redeemscript", HexStr(outdata.missing_redeem_script));
+ }
+ if (!outdata.missing_witness_script.IsNull()) {
+ // Missing witnessScript
+ missing.pushKV("witnessscript", HexStr(outdata.missing_witness_script));
+ }
+ if (!outdata.missing_sigs.empty()) {
+ // Missing sigs
+ UniValue missing_sigs_univ(UniValue::VARR);
+ for (const CKeyID& pubkey : outdata.missing_sigs) {
+ missing_sigs_univ.push_back(HexStr(pubkey));
+ }
+ missing.pushKV("signatures", missing_sigs_univ);
+ }
+ input_univ.pushKV("missing", missing);
+
+ // If we are only missing signatures and nothing else, then next is signer
+ if (outdata.missing_pubkeys.empty() && outdata.missing_redeem_script.IsNull() && outdata.missing_witness_script.IsNull() && !outdata.missing_sigs.empty()) {
+ input_univ.pushKV("next", "signer");
+ } else {
+ only_missing_sigs = false;
+ input_univ.pushKV("next", "updater");
+ }
+ } else {
+ only_missing_final = true;
+ input_univ.pushKV("next", "finalizer");
+ }
+ } else if (!utxo.IsNull()){
+ input_univ.pushKV("is_final", true);
+ }
+ inputs_result.push_back(input_univ);
+ }
+ result.pushKV("inputs", inputs_result);
+
+ if (all_final) {
+ only_missing_sigs = false;
+ result.pushKV("next", "extractor");
+ }
+ if (calc_fee) {
+ // Get the output amount
+ CAmount out_amt = std::accumulate(psbtx.tx->vout.begin(), psbtx.tx->vout.end(), 0,
+ [](int a, const CTxOut& b) {
+ return a += b.nValue;
+ }
+ );
+
+ // Get the fee
+ CAmount fee = in_amt - out_amt;
+
+ // Estimate the size
+ CMutableTransaction mtx(*psbtx.tx);
+ CCoinsView view_dummy;
+ CCoinsViewCache view(&view_dummy);
+ bool success = true;
+
+ for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
+ PSBTInput& input = psbtx.inputs[i];
+ if (SignPSBTInput(DUMMY_SIGNING_PROVIDER, psbtx, i, 1, nullptr, true)) {
+ mtx.vin[i].scriptSig = input.final_script_sig;
+ mtx.vin[i].scriptWitness = input.final_script_witness;
+
+ Coin newcoin;
+ if (!psbtx.GetInputUTXO(newcoin.out, i)) {
+ success = false;
+ break;
+ }
+ newcoin.nHeight = 1;
+ view.AddCoin(psbtx.tx->vin[i].prevout, std::move(newcoin), true);
+ } else {
+ success = false;
+ break;
+ }
+ }
+
+ if (success) {
+ CTransaction ctx = CTransaction(mtx);
+ size_t size = GetVirtualTransactionSize(ctx, GetTransactionSigOpCost(ctx, view, STANDARD_SCRIPT_VERIFY_FLAGS));
+ result.pushKV("estimated_vsize", (int)size);
+ // Estimate fee rate
+ CFeeRate feerate(fee, size);
+ result.pushKV("estimated_feerate", feerate.ToString());
+ }
+ result.pushKV("fee", ValueFromAmount(fee));
+
+ if (only_missing_sigs) {
+ result.pushKV("next", "signer");
+ } else if (only_missing_final) {
+ result.pushKV("next", "finalizer");
+ } else if (all_final) {
+ result.pushKV("next", "extractor");
+ } else {
+ result.pushKV("next", "updater");
+ }
+ } else {
+ result.pushKV("next", "updater");
+ }
+ return result;
+}
+
// clang-format off
static const CRPCCommand commands[] =
{ // category name actor (function) argNames
@@ -1721,6 +2056,9 @@ static const CRPCCommand commands[] =
{ "rawtransactions", "finalizepsbt", &finalizepsbt, {"psbt", "extract"} },
{ "rawtransactions", "createpsbt", &createpsbt, {"inputs","outputs","locktime","replaceable"} },
{ "rawtransactions", "converttopsbt", &converttopsbt, {"hexstring","permitsigdata","iswitness"} },
+ { "rawtransactions", "utxoupdatepsbt", &utxoupdatepsbt, {"psbt"} },
+ { "rawtransactions", "joinpsbts", &joinpsbts, {"txs"} },
+ { "rawtransactions", "analyzepsbt", &analyzepsbt, {"psbt"} },
{ "blockchain", "gettxoutproof", &gettxoutproof, {"txids", "blockhash"} },
{ "blockchain", "verifytxoutproof", &verifytxoutproof, {"proof"} },
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 9d6a390ea2..320956d0c4 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -83,6 +83,8 @@ static bool CreateSig(const BaseSignatureCreator& creator, SignatureData& sigdat
assert(i.second);
return true;
}
+ // Could not make signature or signature not found, add keyid to missing
+ sigdata.missing_sigs.push_back(keyid);
return false;
}
@@ -116,17 +118,24 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator
case TX_PUBKEYHASH: {
CKeyID keyID = CKeyID(uint160(vSolutions[0]));
CPubKey pubkey;
- if (!GetPubKey(provider, sigdata, keyID, pubkey)) return false;
+ if (!GetPubKey(provider, sigdata, keyID, pubkey)) {
+ // Pubkey could not be found, add to missing
+ sigdata.missing_pubkeys.push_back(keyID);
+ return false;
+ }
if (!CreateSig(creator, sigdata, provider, sig, pubkey, scriptPubKey, sigversion)) return false;
ret.push_back(std::move(sig));
ret.push_back(ToByteVector(pubkey));
return true;
}
case TX_SCRIPTHASH:
- if (GetCScript(provider, sigdata, uint160(vSolutions[0]), scriptRet)) {
+ h160 = uint160(vSolutions[0]);
+ if (GetCScript(provider, sigdata, h160, scriptRet)) {
ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end()));
return true;
}
+ // Could not find redeemScript, add to missing
+ sigdata.missing_redeem_script = h160;
return false;
case TX_MULTISIG: {
@@ -154,6 +163,8 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator
ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end()));
return true;
}
+ // Could not find witnessScript, add to missing
+ sigdata.missing_witness_script = uint256(vSolutions[0]);
return false;
default:
diff --git a/src/script/sign.h b/src/script/sign.h
index 3e9a3b38c6..491fb54c45 100644
--- a/src/script/sign.h
+++ b/src/script/sign.h
@@ -131,6 +131,10 @@ struct SignatureData {
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.
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<CKeyID> missing_pubkeys; ///< KeyIDs of pubkeys which could not be found
+ std::vector<CKeyID> missing_sigs; ///< KeyIDs of pubkeys for signatures which could not be found
+ uint160 missing_redeem_script; ///< ScriptID of the missing redeemScript (if any)
+ uint256 missing_witness_script; ///< SHA256 of the missing witnessScript (if any)
SignatureData() {}
explicit SignatureData(const CScript& script) : scriptSig(script) {}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-20 06:35:12 +0000