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-rw-r--r--src/Makefile.am2
-rw-r--r--src/interfaces/wallet.cpp15
-rw-r--r--src/interfaces/wallet.h7
-rw-r--r--src/qt/sendcoinsdialog.cpp1
-rw-r--r--src/qt/signverifymessagedialog.cpp27
-rw-r--r--src/rpc/rawtransaction_util.cpp56
-rw-r--r--src/rpc/rawtransaction_util.h2
-rw-r--r--src/script/sign.cpp51
-rw-r--r--src/script/sign.h4
-rw-r--r--src/util/message.cpp14
-rw-r--r--src/util/message.h8
-rw-r--r--src/wallet/psbtwallet.cpp77
-rw-r--r--src/wallet/psbtwallet.h32
-rw-r--r--src/wallet/rpcwallet.cpp57
-rw-r--r--src/wallet/scriptpubkeyman.cpp64
-rw-r--r--src/wallet/scriptpubkeyman.h28
-rw-r--r--src/wallet/test/psbt_wallet_tests.cpp7
-rw-r--r--src/wallet/wallet.cpp211
-rw-r--r--src/wallet/wallet.h34
19 files changed, 427 insertions, 270 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index abd3bb881a..6fc6d5b5a3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -241,7 +241,6 @@ BITCOIN_CORE_H = \
wallet/fees.h \
wallet/ismine.h \
wallet/load.h \
- wallet/psbtwallet.h \
wallet/rpcwallet.h \
wallet/scriptpubkeyman.h \
wallet/wallet.h \
@@ -349,7 +348,6 @@ libbitcoin_wallet_a_SOURCES = \
wallet/feebumper.cpp \
wallet/fees.cpp \
wallet/load.cpp \
- wallet/psbtwallet.cpp \
wallet/rpcdump.cpp \
wallet/rpcwallet.cpp \
wallet/scriptpubkeyman.cpp \
diff --git a/src/interfaces/wallet.cpp b/src/interfaces/wallet.cpp
index 7ddf3b22e8..01ade56b2a 100644
--- a/src/interfaces/wallet.cpp
+++ b/src/interfaces/wallet.cpp
@@ -19,7 +19,6 @@
#include <wallet/fees.h>
#include <wallet/ismine.h>
#include <wallet/load.h>
-#include <wallet/psbtwallet.h>
#include <wallet/rpcwallet.h>
#include <wallet/wallet.h>
@@ -119,19 +118,15 @@ public:
}
bool getPubKey(const CScript& script, const CKeyID& address, CPubKey& pub_key) override
{
- std::unique_ptr<SigningProvider> provider = m_wallet->GetSigningProvider(script);
+ std::unique_ptr<SigningProvider> provider = m_wallet->GetSolvingProvider(script);
if (provider) {
return provider->GetPubKey(address, pub_key);
}
return false;
}
- bool getPrivKey(const CScript& script, const CKeyID& address, CKey& key) override
+ SigningResult signMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) override
{
- std::unique_ptr<SigningProvider> provider = m_wallet->GetSigningProvider(script);
- if (provider) {
- return provider->GetKey(address, key);
- }
- return false;
+ return m_wallet->SignMessage(message, pkhash, str_sig);
}
bool isSpendable(const CTxDestination& dest) override { return m_wallet->IsMine(dest) & ISMINE_SPENDABLE; }
bool haveWatchOnly() override
@@ -361,9 +356,9 @@ public:
bool& complete,
int sighash_type = 1 /* SIGHASH_ALL */,
bool sign = true,
- bool bip32derivs = false) override
+ bool bip32derivs = false) const override
{
- return FillPSBT(m_wallet.get(), psbtx, complete, sighash_type, sign, bip32derivs);
+ return m_wallet->FillPSBT(psbtx, complete, sighash_type, sign, bip32derivs);
}
WalletBalances getBalances() override
{
diff --git a/src/interfaces/wallet.h b/src/interfaces/wallet.h
index 4351253412..9476c9f77f 100644
--- a/src/interfaces/wallet.h
+++ b/src/interfaces/wallet.h
@@ -10,6 +10,7 @@
#include <script/standard.h> // For CTxDestination
#include <support/allocators/secure.h> // For SecureString
#include <ui_interface.h> // For ChangeType
+#include <util/message.h>
#include <functional>
#include <map>
@@ -84,8 +85,8 @@ public:
//! Get public key.
virtual bool getPubKey(const CScript& script, const CKeyID& address, CPubKey& pub_key) = 0;
- //! Get private key.
- virtual bool getPrivKey(const CScript& script, const CKeyID& address, CKey& key) = 0;
+ //! Sign message
+ virtual SigningResult signMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) = 0;
//! Return whether wallet has private key.
virtual bool isSpendable(const CTxDestination& dest) = 0;
@@ -196,7 +197,7 @@ public:
bool& complete,
int sighash_type = 1 /* SIGHASH_ALL */,
bool sign = true,
- bool bip32derivs = false) = 0;
+ bool bip32derivs = false) const = 0;
//! Get balances.
virtual WalletBalances getBalances() = 0;
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index cc01aafb23..4ddee513a1 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -26,7 +26,6 @@
#include <ui_interface.h>
#include <wallet/coincontrol.h>
#include <wallet/fees.h>
-#include <wallet/psbtwallet.h>
#include <wallet/wallet.h>
#include <QFontMetrics>
diff --git a/src/qt/signverifymessagedialog.cpp b/src/qt/signverifymessagedialog.cpp
index 883dcecf9a..4552753bf6 100644
--- a/src/qt/signverifymessagedialog.cpp
+++ b/src/qt/signverifymessagedialog.cpp
@@ -133,20 +133,27 @@ void SignVerifyMessageDialog::on_signMessageButton_SM_clicked()
return;
}
- CKey key;
- if (!model->wallet().getPrivKey(GetScriptForDestination(destination), CKeyID(*pkhash), key))
- {
- ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
- ui->statusLabel_SM->setText(tr("Private key for the entered address is not available."));
- return;
- }
-
const std::string& message = ui->messageIn_SM->document()->toPlainText().toStdString();
std::string signature;
+ SigningResult res = model->wallet().signMessage(message, *pkhash, signature);
+
+ QString error;
+ switch (res) {
+ case SigningResult::OK:
+ error = tr("No error");
+ break;
+ case SigningResult::PRIVATE_KEY_NOT_AVAILABLE:
+ error = tr("Private key for the entered address is not available.");
+ break;
+ case SigningResult::SIGNING_FAILED:
+ error = tr("Message signing failed.");
+ break;
+ // no default case, so the compiler can warn about missing cases
+ }
- if (!MessageSign(key, message, signature)) {
+ if (res != SigningResult::OK) {
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
- ui->statusLabel_SM->setText(QString("<nobr>") + tr("Message signing failed.") + QString("</nobr>"));
+ ui->statusLabel_SM->setText(QString("<nobr>") + error + QString("</nobr>"));
return;
}
diff --git a/src/rpc/rawtransaction_util.cpp b/src/rpc/rawtransaction_util.cpp
index 40334883c5..54baec6c6f 100644
--- a/src/rpc/rawtransaction_util.cpp
+++ b/src/rpc/rawtransaction_util.cpp
@@ -272,55 +272,27 @@ void SignTransaction(CMutableTransaction& mtx, const SigningProvider* keystore,
{
int nHashType = ParseSighashString(hashType);
- bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);
-
// Script verification errors
- UniValue vErrors(UniValue::VARR);
-
- // Use CTransaction for the constant parts of the
- // transaction to avoid rehashing.
- const CTransaction txConst(mtx);
- // Sign what we can:
- for (unsigned int i = 0; i < mtx.vin.size(); i++) {
- CTxIn& txin = mtx.vin[i];
- auto coin = coins.find(txin.prevout);
- if (coin == coins.end() || coin->second.IsSpent()) {
- TxInErrorToJSON(txin, vErrors, "Input not found or already spent");
- continue;
- }
- const CScript& prevPubKey = coin->second.out.scriptPubKey;
- const CAmount& amount = coin->second.out.nValue;
-
- SignatureData sigdata = DataFromTransaction(mtx, i, coin->second.out);
- // Only sign SIGHASH_SINGLE if there's a corresponding output:
- if (!fHashSingle || (i < mtx.vout.size())) {
- ProduceSignature(*keystore, MutableTransactionSignatureCreator(&mtx, i, amount, nHashType), prevPubKey, sigdata);
- }
-
- UpdateInput(txin, sigdata);
+ std::map<int, std::string> input_errors;
- // amount must be specified for valid segwit signature
- if (amount == MAX_MONEY && !txin.scriptWitness.IsNull()) {
- throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing amount for %s", coin->second.out.ToString()));
- }
+ bool complete = SignTransaction(mtx, keystore, coins, nHashType, input_errors);
+ SignTransactionResultToJSON(mtx, complete, coins, input_errors, result);
+}
- ScriptError serror = SCRIPT_ERR_OK;
- if (!VerifyScript(txin.scriptSig, prevPubKey, &txin.scriptWitness, STANDARD_SCRIPT_VERIFY_FLAGS, TransactionSignatureChecker(&txConst, i, amount), &serror)) {
- if (serror == SCRIPT_ERR_INVALID_STACK_OPERATION) {
- // Unable to sign input and verification failed (possible attempt to partially sign).
- TxInErrorToJSON(txin, vErrors, "Unable to sign input, invalid stack size (possibly missing key)");
- } else if (serror == SCRIPT_ERR_SIG_NULLFAIL) {
- // Verification failed (possibly due to insufficient signatures).
- TxInErrorToJSON(txin, vErrors, "CHECK(MULTI)SIG failing with non-zero signature (possibly need more signatures)");
- } else {
- TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror));
- }
+void SignTransactionResultToJSON(CMutableTransaction& mtx, bool complete, const std::map<COutPoint, Coin>& coins, std::map<int, std::string>& input_errors, UniValue& result)
+{
+ // Make errors UniValue
+ UniValue vErrors(UniValue::VARR);
+ for (const auto& err_pair : input_errors) {
+ if (err_pair.second == "Missing amount") {
+ // This particular error needs to be an exception for some reason
+ throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing amount for %s", coins.at(mtx.vin.at(err_pair.first).prevout).out.ToString()));
}
+ TxInErrorToJSON(mtx.vin.at(err_pair.first), vErrors, err_pair.second);
}
- bool fComplete = vErrors.empty();
result.pushKV("hex", EncodeHexTx(CTransaction(mtx)));
- result.pushKV("complete", fComplete);
+ result.pushKV("complete", complete);
if (!vErrors.empty()) {
if (result.exists("errors")) {
vErrors.push_backV(result["errors"].getValues());
diff --git a/src/rpc/rawtransaction_util.h b/src/rpc/rawtransaction_util.h
index 4750fd64ed..436db5dc60 100644
--- a/src/rpc/rawtransaction_util.h
+++ b/src/rpc/rawtransaction_util.h
@@ -6,6 +6,7 @@
#define BITCOIN_RPC_RAWTRANSACTION_UTIL_H
#include <map>
+#include <string>
class FillableSigningProvider;
class UniValue;
@@ -24,6 +25,7 @@ class SigningProvider;
* @param result JSON object where signed transaction results accumulate
*/
void SignTransaction(CMutableTransaction& mtx, const SigningProvider* keystore, const std::map<COutPoint, Coin>& coins, const UniValue& hashType, UniValue& result);
+void SignTransactionResultToJSON(CMutableTransaction& mtx, bool complete, const std::map<COutPoint, Coin>& coins, std::map<int, std::string>& input_errors, UniValue& result);
/**
* Parse a prevtxs UniValue array and get the map of coins from it
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 58eae3ce96..fe8292fe57 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -465,3 +465,54 @@ bool IsSegWitOutput(const SigningProvider& provider, const CScript& script)
}
return false;
}
+
+bool SignTransaction(CMutableTransaction& mtx, const SigningProvider* keystore, const std::map<COutPoint, Coin>& coins, int nHashType, std::map<int, std::string>& input_errors)
+{
+ bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);
+
+ // Use CTransaction for the constant parts of the
+ // transaction to avoid rehashing.
+ const CTransaction txConst(mtx);
+ // Sign what we can:
+ for (unsigned int i = 0; i < mtx.vin.size(); i++) {
+ CTxIn& txin = mtx.vin[i];
+ auto coin = coins.find(txin.prevout);
+ if (coin == coins.end() || coin->second.IsSpent()) {
+ input_errors[i] = "Input not found or already spent";
+ continue;
+ }
+ const CScript& prevPubKey = coin->second.out.scriptPubKey;
+ const CAmount& amount = coin->second.out.nValue;
+
+ SignatureData sigdata = DataFromTransaction(mtx, i, coin->second.out);
+ // Only sign SIGHASH_SINGLE if there's a corresponding output:
+ if (!fHashSingle || (i < mtx.vout.size())) {
+ ProduceSignature(*keystore, MutableTransactionSignatureCreator(&mtx, i, amount, nHashType), prevPubKey, sigdata);
+ }
+
+ UpdateInput(txin, sigdata);
+
+ // amount must be specified for valid segwit signature
+ if (amount == MAX_MONEY && !txin.scriptWitness.IsNull()) {
+ input_errors[i] = "Missing amount";
+ continue;
+ }
+
+ ScriptError serror = SCRIPT_ERR_OK;
+ if (!VerifyScript(txin.scriptSig, prevPubKey, &txin.scriptWitness, STANDARD_SCRIPT_VERIFY_FLAGS, TransactionSignatureChecker(&txConst, i, amount), &serror)) {
+ if (serror == SCRIPT_ERR_INVALID_STACK_OPERATION) {
+ // Unable to sign input and verification failed (possible attempt to partially sign).
+ input_errors[i] = "Unable to sign input, invalid stack size (possibly missing key)";
+ } else if (serror == SCRIPT_ERR_SIG_NULLFAIL) {
+ // Verification failed (possibly due to insufficient signatures).
+ input_errors[i] = "CHECK(MULTI)SIG failing with non-zero signature (possibly need more signatures)";
+ } else {
+ input_errors[i] = ScriptErrorString(serror);
+ }
+ } else {
+ // If this input succeeds, make sure there is no error set for it
+ input_errors.erase(i);
+ }
+ }
+ return input_errors.empty();
+}
diff --git a/src/script/sign.h b/src/script/sign.h
index 033c9ba19e..f03af0713f 100644
--- a/src/script/sign.h
+++ b/src/script/sign.h
@@ -6,6 +6,7 @@
#ifndef BITCOIN_SCRIPT_SIGN_H
#define BITCOIN_SCRIPT_SIGN_H
+#include <coins.h>
#include <hash.h>
#include <pubkey.h>
#include <script/interpreter.h>
@@ -168,4 +169,7 @@ bool IsSolvable(const SigningProvider& provider, const CScript& script);
/** Check whether a scriptPubKey is known to be segwit. */
bool IsSegWitOutput(const SigningProvider& provider, const CScript& script);
+/** Sign the CMutableTransaction */
+bool SignTransaction(CMutableTransaction& mtx, const SigningProvider* provider, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors);
+
#endif // BITCOIN_SCRIPT_SIGN_H
diff --git a/src/util/message.cpp b/src/util/message.cpp
index 17603a43d2..1e7128d225 100644
--- a/src/util/message.cpp
+++ b/src/util/message.cpp
@@ -76,3 +76,17 @@ uint256 MessageHash(const std::string& message)
return hasher.GetHash();
}
+
+std::string SigningResultString(const SigningResult res)
+{
+ switch (res) {
+ case SigningResult::OK:
+ return "No error";
+ case SigningResult::PRIVATE_KEY_NOT_AVAILABLE:
+ return "Private key not available";
+ case SigningResult::SIGNING_FAILED:
+ return "Sign failed";
+ // no default case, so the compiler can warn about missing cases
+ }
+ assert(false);
+}
diff --git a/src/util/message.h b/src/util/message.h
index 01fd14ce2d..b31c5f5761 100644
--- a/src/util/message.h
+++ b/src/util/message.h
@@ -39,6 +39,12 @@ enum class MessageVerificationResult {
OK
};
+enum class SigningResult {
+ OK, //!< No error
+ PRIVATE_KEY_NOT_AVAILABLE,
+ SIGNING_FAILED,
+};
+
/** Verify a signed message.
* @param[in] address Signer's bitcoin address, it must refer to a public key.
* @param[in] signature The signature in base64 format.
@@ -65,4 +71,6 @@ bool MessageSign(
*/
uint256 MessageHash(const std::string& message);
+std::string SigningResultString(const SigningResult res);
+
#endif // BITCOIN_UTIL_MESSAGE_H
diff --git a/src/wallet/psbtwallet.cpp b/src/wallet/psbtwallet.cpp
deleted file mode 100644
index d995fb06d4..0000000000
--- a/src/wallet/psbtwallet.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-// Copyright (c) 2009-2019 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include <wallet/psbtwallet.h>
-
-TransactionError FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, bool& complete, int sighash_type, bool sign, bool bip32derivs)
-{
- LOCK(pwallet->cs_wallet);
- // Get all of the previous transactions
- complete = true;
- for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
- const CTxIn& txin = psbtx.tx->vin[i];
- PSBTInput& input = psbtx.inputs.at(i);
-
- if (PSBTInputSigned(input)) {
- continue;
- }
-
- // Verify input looks sane. This will check that we have at most one uxto, witness or non-witness.
- if (!input.IsSane()) {
- return TransactionError::INVALID_PSBT;
- }
-
- // If we have no utxo, grab it from the wallet.
- if (!input.non_witness_utxo && input.witness_utxo.IsNull()) {
- const uint256& txhash = txin.prevout.hash;
- const auto it = pwallet->mapWallet.find(txhash);
- if (it != pwallet->mapWallet.end()) {
- const CWalletTx& wtx = it->second;
- // We only need the non_witness_utxo, which is a superset of the witness_utxo.
- // The signing code will switch to the smaller witness_utxo if this is ok.
- input.non_witness_utxo = wtx.tx;
- }
- }
-
- // Get the Sighash type
- if (sign && input.sighash_type > 0 && input.sighash_type != sighash_type) {
- return TransactionError::SIGHASH_MISMATCH;
- }
-
- // Get the scriptPubKey to know which SigningProvider to use
- CScript script;
- if (!input.witness_utxo.IsNull()) {
- script = input.witness_utxo.scriptPubKey;
- } else if (input.non_witness_utxo) {
- if (txin.prevout.n >= input.non_witness_utxo->vout.size()) {
- return TransactionError::MISSING_INPUTS;
- }
- script = input.non_witness_utxo->vout[txin.prevout.n].scriptPubKey;
- } else {
- // There's no UTXO so we can just skip this now
- complete = false;
- continue;
- }
- SignatureData sigdata;
- input.FillSignatureData(sigdata);
- std::unique_ptr<SigningProvider> provider = pwallet->GetSigningProvider(script, sigdata);
- if (!provider) {
- complete = false;
- continue;
- }
-
- complete &= SignPSBTInput(HidingSigningProvider(provider.get(), !sign, !bip32derivs), psbtx, i, sighash_type);
- }
-
- // Fill in the bip32 keypaths and redeemscripts for the outputs so that hardware wallets can identify change
- for (unsigned int i = 0; i < psbtx.tx->vout.size(); ++i) {
- const CTxOut& out = psbtx.tx->vout.at(i);
- std::unique_ptr<SigningProvider> provider = pwallet->GetSigningProvider(out.scriptPubKey);
- if (provider) {
- UpdatePSBTOutput(HidingSigningProvider(provider.get(), true, !bip32derivs), psbtx, i);
- }
- }
-
- return TransactionError::OK;
-}
diff --git a/src/wallet/psbtwallet.h b/src/wallet/psbtwallet.h
deleted file mode 100644
index 8285bb901c..0000000000
--- a/src/wallet/psbtwallet.h
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright (c) 2009-2019 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#ifndef BITCOIN_WALLET_PSBTWALLET_H
-#define BITCOIN_WALLET_PSBTWALLET_H
-
-#include <psbt.h>
-#include <wallet/wallet.h>
-
-/**
- * Fills out a PSBT with information from the wallet. Fills in UTXOs if we have
- * them. Tries to sign if sign=true. Sets `complete` if the PSBT is now complete
- * (i.e. has all required signatures or signature-parts, and is ready to
- * finalize.) Sets `error` and returns false if something goes wrong.
- *
- * @param[in] pwallet pointer to a wallet
- * @param[in] psbtx PartiallySignedTransaction to fill in
- * @param[out] complete indicates whether the PSBT is now complete
- * @param[in] sighash_type the sighash type to use when signing (if PSBT does not specify)
- * @param[in] sign whether to sign or not
- * @param[in] bip32derivs whether to fill in bip32 derivation information if available
- * return error
- */
-NODISCARD TransactionError FillPSBT(const CWallet* pwallet,
- PartiallySignedTransaction& psbtx,
- bool& complete,
- int sighash_type = 1 /* SIGHASH_ALL */,
- bool sign = true,
- bool bip32derivs = true);
-
-#endif // BITCOIN_WALLET_PSBTWALLET_H
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index bbbaea88d1..44e580a52a 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -27,7 +27,6 @@
#include <util/vector.h>
#include <wallet/coincontrol.h>
#include <wallet/feebumper.h>
-#include <wallet/psbtwallet.h>
#include <wallet/rpcwallet.h>
#include <wallet/wallet.h>
#include <wallet/walletdb.h>
@@ -566,22 +565,12 @@ static UniValue signmessage(const JSONRPCRequest& request)
throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
}
- CScript script_pub_key = GetScriptForDestination(*pkhash);
- std::unique_ptr<SigningProvider> provider = pwallet->GetSigningProvider(script_pub_key);
- if (!provider) {
- throw JSONRPCError(RPC_WALLET_ERROR, "Private key not available");
- }
-
- CKey key;
- CKeyID keyID(*pkhash);
- if (!provider->GetKey(keyID, key)) {
- throw JSONRPCError(RPC_WALLET_ERROR, "Private key not available");
- }
-
std::string signature;
-
- if (!MessageSign(key, strMessage, signature)) {
- throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed");
+ SigningResult err = pwallet->SignMessage(strMessage, *pkhash, signature);
+ if (err == SigningResult::SIGNING_FAILED) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, SigningResultString(err));
+ } else if (err != SigningResult::OK){
+ throw JSONRPCError(RPC_WALLET_ERROR, SigningResultString(err));
}
return signature;
@@ -2973,7 +2962,7 @@ static UniValue listunspent(const JSONRPCRequest& request)
entry.pushKV("label", i->second.name);
}
- std::unique_ptr<SigningProvider> provider = pwallet->GetSigningProvider(scriptPubKey);
+ std::unique_ptr<SigningProvider> provider = pwallet->GetSolvingProvider(scriptPubKey);
if (provider) {
if (scriptPubKey.IsPayToScriptHash()) {
const CScriptID& hash = CScriptID(boost::get<ScriptHash>(address));
@@ -3013,7 +3002,7 @@ static UniValue listunspent(const JSONRPCRequest& request)
entry.pushKV("spendable", out.fSpendable);
entry.pushKV("solvable", out.fSolvable);
if (out.fSolvable) {
- std::unique_ptr<SigningProvider> provider = pwallet->GetSigningProvider(scriptPubKey);
+ std::unique_ptr<SigningProvider> provider = pwallet->GetSolvingProvider(scriptPubKey);
if (provider) {
auto descriptor = InferDescriptor(scriptPubKey, *provider);
entry.pushKV("desc", descriptor->ToString());
@@ -3329,23 +3318,15 @@ UniValue signrawtransactionwithwallet(const JSONRPCRequest& request)
// Parse the prevtxs array
ParsePrevouts(request.params[1], nullptr, coins);
- std::set<std::shared_ptr<SigningProvider>> providers;
- for (const std::pair<COutPoint, Coin> coin_pair : coins) {
- std::unique_ptr<SigningProvider> provider = pwallet->GetSigningProvider(coin_pair.second.out.scriptPubKey);
- if (provider) {
- providers.insert(std::move(provider));
- }
- }
- if (providers.size() == 0) {
- // When there are no available providers, use a dummy SigningProvider so we can check if the tx is complete
- providers.insert(std::make_shared<SigningProvider>());
- }
+ int nHashType = ParseSighashString(request.params[2]);
+ // Script verification errors
+ std::map<int, std::string> input_errors;
+
+ bool complete = pwallet->SignTransaction(mtx, coins, nHashType, input_errors);
UniValue result(UniValue::VOBJ);
- for (std::shared_ptr<SigningProvider> provider : providers) {
- SignTransaction(mtx, provider.get(), coins, request.params[2], result);
- }
- return result;
+ SignTransactionResultToJSON(mtx, complete, coins, input_errors, result);
+ return result;
}
static UniValue bumpfee(const JSONRPCRequest& request)
@@ -3524,7 +3505,7 @@ static UniValue bumpfee(const JSONRPCRequest& request)
} else {
PartiallySignedTransaction psbtx(mtx);
bool complete = false;
- const TransactionError err = FillPSBT(pwallet, psbtx, complete, SIGHASH_ALL, false /* sign */, true /* bip32derivs */);
+ const TransactionError err = pwallet->FillPSBT(psbtx, complete, SIGHASH_ALL, false /* sign */, true /* bip32derivs */);
CHECK_NONFATAL(err == TransactionError::OK);
CHECK_NONFATAL(!complete);
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
@@ -3735,7 +3716,7 @@ static UniValue DescribeWalletAddress(const CWallet* const pwallet, const CTxDes
CScript script = GetScriptForDestination(dest);
std::unique_ptr<SigningProvider> provider = nullptr;
if (pwallet) {
- provider = pwallet->GetSigningProvider(script);
+ provider = pwallet->GetSolvingProvider(script);
}
ret.pushKVs(detail);
ret.pushKVs(boost::apply_visitor(DescribeWalletAddressVisitor(provider.get()), dest));
@@ -3837,7 +3818,7 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
CScript scriptPubKey = GetScriptForDestination(dest);
ret.pushKV("scriptPubKey", HexStr(scriptPubKey.begin(), scriptPubKey.end()));
- std::unique_ptr<SigningProvider> provider = pwallet->GetSigningProvider(scriptPubKey);
+ std::unique_ptr<SigningProvider> provider = pwallet->GetSolvingProvider(scriptPubKey);
isminetype mine = pwallet->IsMine(dest);
ret.pushKV("ismine", bool(mine & ISMINE_SPENDABLE));
@@ -4141,7 +4122,7 @@ UniValue walletprocesspsbt(const JSONRPCRequest& request)
bool sign = request.params[1].isNull() ? true : request.params[1].get_bool();
bool bip32derivs = request.params[3].isNull() ? true : request.params[3].get_bool();
bool complete = true;
- const TransactionError err = FillPSBT(pwallet, psbtx, complete, nHashType, sign, bip32derivs);
+ const TransactionError err = pwallet->FillPSBT(psbtx, complete, nHashType, sign, bip32derivs);
if (err != TransactionError::OK) {
throw JSONRPCTransactionError(err);
}
@@ -4264,7 +4245,7 @@ UniValue walletcreatefundedpsbt(const JSONRPCRequest& request)
// Fill transaction with out data but don't sign
bool bip32derivs = request.params[4].isNull() ? true : request.params[4].get_bool();
bool complete = true;
- const TransactionError err = FillPSBT(pwallet, psbtx, complete, 1, false, bip32derivs);
+ const TransactionError err = pwallet->FillPSBT(psbtx, complete, 1, false, bip32derivs);
if (err != TransactionError::OK) {
throw JSONRPCTransactionError(err);
}
diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
index 8851d0af31..6fe1d84d64 100644
--- a/src/wallet/scriptpubkeyman.cpp
+++ b/src/wallet/scriptpubkeyman.cpp
@@ -5,6 +5,7 @@
#include <key_io.h>
#include <outputtype.h>
#include <script/descriptor.h>
+#include <script/sign.h>
#include <util/bip32.h>
#include <util/strencodings.h>
#include <util/translation.h>
@@ -477,7 +478,7 @@ int64_t LegacyScriptPubKeyMan::GetTimeFirstKey() const
return nTimeFirstKey;
}
-std::unique_ptr<SigningProvider> LegacyScriptPubKeyMan::GetSigningProvider(const CScript& script) const
+std::unique_ptr<SigningProvider> LegacyScriptPubKeyMan::GetSolvingProvider(const CScript& script) const
{
return MakeUnique<LegacySigningProvider>(*this);
}
@@ -505,6 +506,67 @@ bool LegacyScriptPubKeyMan::CanProvide(const CScript& script, SignatureData& sig
}
}
+bool LegacyScriptPubKeyMan::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const
+{
+ return ::SignTransaction(tx, this, coins, sighash, input_errors);
+}
+
+SigningResult LegacyScriptPubKeyMan::SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const
+{
+ CKeyID key_id(pkhash);
+ CKey key;
+ if (!GetKey(key_id, key)) {
+ return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
+ }
+
+ if (MessageSign(key, message, str_sig)) {
+ return SigningResult::OK;
+ }
+ return SigningResult::SIGNING_FAILED;
+}
+
+TransactionError LegacyScriptPubKeyMan::FillPSBT(PartiallySignedTransaction& psbtx, int sighash_type, bool sign, bool bip32derivs) const
+{
+ for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
+ const CTxIn& txin = psbtx.tx->vin[i];
+ PSBTInput& input = psbtx.inputs.at(i);
+
+ if (PSBTInputSigned(input)) {
+ continue;
+ }
+
+ // Verify input looks sane. This will check that we have at most one uxto, witness or non-witness.
+ if (!input.IsSane()) {
+ return TransactionError::INVALID_PSBT;
+ }
+
+ // Get the Sighash type
+ if (sign && input.sighash_type > 0 && input.sighash_type != sighash_type) {
+ return TransactionError::SIGHASH_MISMATCH;
+ }
+
+ // Check non_witness_utxo has specified prevout
+ if (input.non_witness_utxo) {
+ if (txin.prevout.n >= input.non_witness_utxo->vout.size()) {
+ return TransactionError::MISSING_INPUTS;
+ }
+ } else if (input.witness_utxo.IsNull()) {
+ // There's no UTXO so we can just skip this now
+ continue;
+ }
+ SignatureData sigdata;
+ input.FillSignatureData(sigdata);
+ SignPSBTInput(HidingSigningProvider(this, !sign, !bip32derivs), psbtx, i, sighash_type);
+ }
+
+ // Fill in the bip32 keypaths and redeemscripts for the outputs so that hardware wallets can identify change
+ for (unsigned int i = 0; i < psbtx.tx->vout.size(); ++i) {
+ UpdatePSBTOutput(HidingSigningProvider(this, true, !bip32derivs), psbtx, i);
+ }
+
+ return TransactionError::OK;
+}
+
const CKeyMetadata* LegacyScriptPubKeyMan::GetMetadata(const CTxDestination& dest) const
{
LOCK(cs_KeyStore);
diff --git a/src/wallet/scriptpubkeyman.h b/src/wallet/scriptpubkeyman.h
index 1a0d34a445..8512eadf31 100644
--- a/src/wallet/scriptpubkeyman.h
+++ b/src/wallet/scriptpubkeyman.h
@@ -5,8 +5,11 @@
#ifndef BITCOIN_WALLET_SCRIPTPUBKEYMAN_H
#define BITCOIN_WALLET_SCRIPTPUBKEYMAN_H
+#include <psbt.h>
#include <script/signingprovider.h>
#include <script/standard.h>
+#include <util/error.h>
+#include <util/message.h>
#include <wallet/crypter.h>
#include <wallet/ismine.h>
#include <wallet/walletdb.h>
@@ -203,13 +206,20 @@ public:
virtual const CKeyMetadata* GetMetadata(const CTxDestination& dest) const { return nullptr; }
- virtual std::unique_ptr<SigningProvider> GetSigningProvider(const CScript& script) const { return nullptr; }
+ virtual std::unique_ptr<SigningProvider> GetSolvingProvider(const CScript& script) const { return nullptr; }
- /** Whether this ScriptPubKeyMan can provide a SigningProvider (via GetSigningProvider) that, combined with
- * sigdata, can produce a valid signature.
+ /** Whether this ScriptPubKeyMan can provide a SigningProvider (via GetSolvingProvider) that, combined with
+ * sigdata, can produce solving data.
*/
virtual bool CanProvide(const CScript& script, SignatureData& sigdata) { return false; }
+ /** Creates new signatures and adds them to the transaction. Returns whether all inputs were signed */
+ virtual bool SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const { return false; }
+ /** Sign a message with the given script */
+ virtual SigningResult SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const { return SigningResult::SIGNING_FAILED; };
+ /** Adds script and derivation path information to a PSBT, and optionally signs it. */
+ virtual TransactionError FillPSBT(PartiallySignedTransaction& psbt, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false) const { return TransactionError::INVALID_PSBT; }
+
virtual uint256 GetID() const { return uint256(); }
/** Prepends the wallet name in logging output to ease debugging in multi-wallet use cases */
@@ -346,10 +356,14 @@ public:
bool CanGetAddresses(bool internal = false) const override;
- std::unique_ptr<SigningProvider> GetSigningProvider(const CScript& script) const override;
+ std::unique_ptr<SigningProvider> GetSolvingProvider(const CScript& script) const override;
bool CanProvide(const CScript& script, SignatureData& sigdata) override;
+ bool SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const override;
+ SigningResult SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const override;
+ TransactionError FillPSBT(PartiallySignedTransaction& psbt, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false) const override;
+
uint256 GetID() const override;
// Map from Key ID to key metadata.
@@ -447,7 +461,7 @@ public:
std::set<CKeyID> GetKeys() const override;
};
-/** Wraps a LegacyScriptPubKeyMan so that it can be returned in a new unique_ptr */
+/** Wraps a LegacyScriptPubKeyMan so that it can be returned in a new unique_ptr. Does not provide privkeys */
class LegacySigningProvider : public SigningProvider
{
private:
@@ -458,8 +472,8 @@ public:
bool GetCScript(const CScriptID &scriptid, CScript& script) const override { return m_spk_man.GetCScript(scriptid, script); }
bool HaveCScript(const CScriptID &scriptid) const override { return m_spk_man.HaveCScript(scriptid); }
bool GetPubKey(const CKeyID &address, CPubKey& pubkey) const override { return m_spk_man.GetPubKey(address, pubkey); }
- bool GetKey(const CKeyID &address, CKey& key) const override { return m_spk_man.GetKey(address, key); }
- bool HaveKey(const CKeyID &address) const override { return m_spk_man.HaveKey(address); }
+ bool GetKey(const CKeyID &address, CKey& key) const override { return false; }
+ bool HaveKey(const CKeyID &address) const override { return false; }
bool GetKeyOrigin(const CKeyID& keyid, KeyOriginInfo& info) const override { return m_spk_man.GetKeyOrigin(keyid, info); }
};
diff --git a/src/wallet/test/psbt_wallet_tests.cpp b/src/wallet/test/psbt_wallet_tests.cpp
index f923de6178..8b7b7af21d 100644
--- a/src/wallet/test/psbt_wallet_tests.cpp
+++ b/src/wallet/test/psbt_wallet_tests.cpp
@@ -5,7 +5,6 @@
#include <key_io.h>
#include <util/bip32.h>
#include <util/strencodings.h>
-#include <wallet/psbtwallet.h>
#include <wallet/wallet.h>
#include <boost/test/unit_test.hpp>
@@ -61,7 +60,7 @@ BOOST_AUTO_TEST_CASE(psbt_updater_test)
// Fill transaction with our data
bool complete = true;
- BOOST_REQUIRE_EQUAL(TransactionError::OK, FillPSBT(&m_wallet, psbtx, complete, SIGHASH_ALL, false, true));
+ BOOST_REQUIRE_EQUAL(TransactionError::OK, m_wallet.FillPSBT(psbtx, complete, SIGHASH_ALL, false, true));
// Get the final tx
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
@@ -74,9 +73,7 @@ BOOST_AUTO_TEST_CASE(psbt_updater_test)
// Try to sign the mutated input
SignatureData sigdata;
- psbtx.inputs[0].FillSignatureData(sigdata);
- const std::unique_ptr<SigningProvider> provider = m_wallet.GetSigningProvider(ws1, sigdata);
- BOOST_CHECK(!SignPSBTInput(*provider, psbtx, 0, SIGHASH_ALL));
+ BOOST_CHECK(spk_man->FillPSBT(psbtx, SIGHASH_ALL, true, true) != TransactionError::OK);
}
BOOST_AUTO_TEST_CASE(parse_hd_keypath)
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 9d2e5598e8..79e29d050f 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -1407,7 +1407,7 @@ bool CWallet::DummySignInput(CTxIn &tx_in, const CTxOut &txout, bool use_max_sig
const CScript& scriptPubKey = txout.scriptPubKey;
SignatureData sigdata;
- std::unique_ptr<SigningProvider> provider = GetSigningProvider(scriptPubKey);
+ std::unique_ptr<SigningProvider> provider = GetSolvingProvider(scriptPubKey);
if (!provider) {
// We don't know about this scriptpbuKey;
return false;
@@ -2171,7 +2171,7 @@ void CWallet::AvailableCoins(interfaces::Chain::Lock& locked_chain, std::vector<
continue;
}
- std::unique_ptr<SigningProvider> provider = GetSigningProvider(wtx.tx->vout[i].scriptPubKey);
+ std::unique_ptr<SigningProvider> provider = GetSolvingProvider(wtx.tx->vout[i].scriptPubKey);
bool solvable = provider ? IsSolvable(*provider, wtx.tx->vout[i].scriptPubKey) : false;
bool spendable = ((mine & ISMINE_SPENDABLE) != ISMINE_NO) || (((mine & ISMINE_WATCH_ONLY) != ISMINE_NO) && (coinControl && coinControl->fAllowWatchOnly && solvable));
@@ -2410,34 +2410,172 @@ bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAm
return res;
}
-bool CWallet::SignTransaction(CMutableTransaction& tx)
+bool CWallet::SignTransaction(CMutableTransaction& tx) const
{
AssertLockHeld(cs_wallet);
- // sign the new tx
- int nIn = 0;
+ // Build coins map
+ std::map<COutPoint, Coin> coins;
for (auto& input : tx.vin) {
std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(input.prevout.hash);
if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) {
return false;
}
- const CScript& scriptPubKey = mi->second.tx->vout[input.prevout.n].scriptPubKey;
- const CAmount& amount = mi->second.tx->vout[input.prevout.n].nValue;
+ const CWalletTx& wtx = mi->second;
+ coins[input.prevout] = Coin(wtx.tx->vout[input.prevout.n], wtx.m_confirm.block_height, wtx.IsCoinBase());
+ }
+ std::map<int, std::string> input_errors;
+ return SignTransaction(tx, coins, SIGHASH_ALL, input_errors);
+}
+
+bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const
+{
+ // Sign the tx with ScriptPubKeyMans
+ // Because each ScriptPubKeyMan can sign more than one input, we need to keep track of each ScriptPubKeyMan that has signed this transaction.
+ // Each iteration, we may sign more txins than the txin that is specified in that iteration.
+ // We assume that each input is signed by only one ScriptPubKeyMan.
+ std::set<uint256> visited_spk_mans;
+ for (unsigned int i = 0; i < tx.vin.size(); i++) {
+ // Get the prevout
+ CTxIn& txin = tx.vin[i];
+ auto coin = coins.find(txin.prevout);
+ if (coin == coins.end() || coin->second.IsSpent()) {
+ input_errors[i] = "Input not found or already spent";
+ continue;
+ }
+
+ // Check if this input is complete
+ SignatureData sigdata = DataFromTransaction(tx, i, coin->second.out);
+ if (sigdata.complete) {
+ continue;
+ }
+
+ // Input needs to be signed, find the right ScriptPubKeyMan
+ std::set<ScriptPubKeyMan*> spk_mans = GetScriptPubKeyMans(coin->second.out.scriptPubKey, sigdata);
+ if (spk_mans.size() == 0) {
+ input_errors[i] = "Unable to sign input, missing keys";
+ continue;
+ }
+
+ for (auto& spk_man : spk_mans) {
+ // If we've already been signed by this spk_man, skip it
+ if (visited_spk_mans.count(spk_man->GetID()) > 0) {
+ continue;
+ }
+
+ // Sign the tx.
+ // spk_man->SignTransaction will return true if the transaction is complete,
+ // so we can exit early and return true if that happens.
+ if (spk_man->SignTransaction(tx, coins, sighash, input_errors)) {
+ return true;
+ }
+
+ // Add this spk_man to visited_spk_mans so we can skip it later
+ visited_spk_mans.insert(spk_man->GetID());
+ }
+ }
+ return false;
+}
+
+TransactionError CWallet::FillPSBT(PartiallySignedTransaction& psbtx, bool& complete, int sighash_type, bool sign, bool bip32derivs) const
+{
+ LOCK(cs_wallet);
+ // Get all of the previous transactions
+ for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
+ const CTxIn& txin = psbtx.tx->vin[i];
+ PSBTInput& input = psbtx.inputs.at(i);
+
+ if (PSBTInputSigned(input)) {
+ continue;
+ }
+
+ // Verify input looks sane. This will check that we have at most one uxto, witness or non-witness.
+ if (!input.IsSane()) {
+ return TransactionError::INVALID_PSBT;
+ }
+
+ // If we have no utxo, grab it from the wallet.
+ if (!input.non_witness_utxo && input.witness_utxo.IsNull()) {
+ const uint256& txhash = txin.prevout.hash;
+ const auto it = mapWallet.find(txhash);
+ if (it != mapWallet.end()) {
+ const CWalletTx& wtx = it->second;
+ // We only need the non_witness_utxo, which is a superset of the witness_utxo.
+ // The signing code will switch to the smaller witness_utxo if this is ok.
+ input.non_witness_utxo = wtx.tx;
+ }
+ }
+ }
+
+ // Fill in information from ScriptPubKeyMans
+ // Because each ScriptPubKeyMan may be able to fill more than one input, we need to keep track of each ScriptPubKeyMan that has filled this psbt.
+ // Each iteration, we may fill more inputs than the input that is specified in that iteration.
+ // We assume that each input is filled by only one ScriptPubKeyMan
+ std::set<uint256> visited_spk_mans;
+ for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
+ const CTxIn& txin = psbtx.tx->vin[i];
+ PSBTInput& input = psbtx.inputs.at(i);
+
+ if (PSBTInputSigned(input)) {
+ continue;
+ }
+
+ // Get the scriptPubKey to know which ScriptPubKeyMan to use
+ CScript script;
+ if (!input.witness_utxo.IsNull()) {
+ script = input.witness_utxo.scriptPubKey;
+ } else if (input.non_witness_utxo) {
+ if (txin.prevout.n >= input.non_witness_utxo->vout.size()) {
+ return TransactionError::MISSING_INPUTS;
+ }
+ script = input.non_witness_utxo->vout[txin.prevout.n].scriptPubKey;
+ } else {
+ // There's no UTXO so we can just skip this now
+ continue;
+ }
SignatureData sigdata;
+ input.FillSignatureData(sigdata);
+ std::set<ScriptPubKeyMan*> spk_mans = GetScriptPubKeyMans(script, sigdata);
+ if (spk_mans.size() == 0) {
+ continue;
+ }
- std::unique_ptr<SigningProvider> provider = GetSigningProvider(scriptPubKey);
- if (!provider) {
- // We don't know about this scriptpbuKey;
- return false;
+ for (auto& spk_man : spk_mans) {
+ // If we've already been signed by this spk_man, skip it
+ if (visited_spk_mans.count(spk_man->GetID()) > 0) {
+ continue;
+ }
+
+ // Fill in the information from the spk_man
+ TransactionError res = spk_man->FillPSBT(psbtx, sighash_type, sign, bip32derivs);
+ if (res != TransactionError::OK) {
+ return res;
+ }
+
+ // Add this spk_man to visited_spk_mans so we can skip it later
+ visited_spk_mans.insert(spk_man->GetID());
}
+ }
- if (!ProduceSignature(*provider, MutableTransactionSignatureCreator(&tx, nIn, amount, SIGHASH_ALL), scriptPubKey, sigdata)) {
- return false;
+ // Complete if every input is now signed
+ complete = true;
+ for (const auto& input : psbtx.inputs) {
+ complete &= PSBTInputSigned(input);
+ }
+
+ return TransactionError::OK;
+}
+
+SigningResult CWallet::SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const
+{
+ SignatureData sigdata;
+ CScript script_pub_key = GetScriptForDestination(pkhash);
+ for (const auto& spk_man_pair : m_spk_managers) {
+ if (spk_man_pair.second->CanProvide(script_pub_key, sigdata)) {
+ return spk_man_pair.second->SignMessage(message, pkhash, str_sig);
}
- UpdateInput(input, sigdata);
- nIn++;
}
- return true;
+ return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
}
bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl coinControl)
@@ -2886,25 +3024,9 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
txNew.vin.push_back(CTxIn(coin.outpoint, CScript(), nSequence));
}
- if (sign)
- {
- int nIn = 0;
- for (const auto& coin : selected_coins)
- {
- const CScript& scriptPubKey = coin.txout.scriptPubKey;
- SignatureData sigdata;
-
- std::unique_ptr<SigningProvider> provider = GetSigningProvider(scriptPubKey);
- if (!provider || !ProduceSignature(*provider, MutableTransactionSignatureCreator(&txNew, nIn, coin.txout.nValue, SIGHASH_ALL), scriptPubKey, sigdata))
- {
- strFailReason = _("Signing transaction failed").translated;
- return false;
- } else {
- UpdateInput(txNew.vin.at(nIn), sigdata);
- }
-
- nIn++;
- }
+ if (sign && !SignTransaction(txNew)) {
+ strFailReason = _("Signing transaction failed").translated;
+ return false;
}
// Return the constructed transaction data.
@@ -4155,6 +4277,17 @@ ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const OutputType& type, bool intern
return it->second;
}
+std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script, SignatureData& sigdata) const
+{
+ std::set<ScriptPubKeyMan*> spk_mans;
+ for (const auto& spk_man_pair : m_spk_managers) {
+ if (spk_man_pair.second->CanProvide(script, sigdata)) {
+ spk_mans.insert(spk_man_pair.second.get());
+ }
+ }
+ return spk_mans;
+}
+
ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const CScript& script) const
{
SignatureData sigdata;
@@ -4174,17 +4307,17 @@ ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const uint256& id) const
return nullptr;
}
-std::unique_ptr<SigningProvider> CWallet::GetSigningProvider(const CScript& script) const
+std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script) const
{
SignatureData sigdata;
- return GetSigningProvider(script, sigdata);
+ return GetSolvingProvider(script, sigdata);
}
-std::unique_ptr<SigningProvider> CWallet::GetSigningProvider(const CScript& script, SignatureData& sigdata) const
+std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script, SignatureData& sigdata) const
{
for (const auto& spk_man_pair : m_spk_managers) {
if (spk_man_pair.second->CanProvide(script, sigdata)) {
- return spk_man_pair.second->GetSigningProvider(script);
+ return spk_man_pair.second->GetSolvingProvider(script);
}
}
return nullptr;
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 3664a6787c..0c86a0c1e8 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -11,8 +11,10 @@
#include <interfaces/handler.h>
#include <outputtype.h>
#include <policy/feerate.h>
+#include <psbt.h>
#include <tinyformat.h>
#include <ui_interface.h>
+#include <util/message.h>
#include <util/strencodings.h>
#include <util/system.h>
#include <validationinterface.h>
@@ -916,7 +918,30 @@ public:
* calling CreateTransaction();
*/
bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl);
- bool SignTransaction(CMutableTransaction& tx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
+ // Fetch the inputs and sign with SIGHASH_ALL.
+ bool SignTransaction(CMutableTransaction& tx) const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
+ // Sign the tx given the input coins and sighash.
+ bool SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const;
+ SigningResult SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const;
+
+ /**
+ * Fills out a PSBT with information from the wallet. Fills in UTXOs if we have
+ * them. Tries to sign if sign=true. Sets `complete` if the PSBT is now complete
+ * (i.e. has all required signatures or signature-parts, and is ready to
+ * finalize.) Sets `error` and returns false if something goes wrong.
+ *
+ * @param[in] psbtx PartiallySignedTransaction to fill in
+ * @param[out] complete indicates whether the PSBT is now complete
+ * @param[in] sighash_type the sighash type to use when signing (if PSBT does not specify)
+ * @param[in] sign whether to sign or not
+ * @param[in] bip32derivs whether to fill in bip32 derivation information if available
+ * return error
+ */
+ TransactionError FillPSBT(PartiallySignedTransaction& psbtx,
+ bool& complete,
+ int sighash_type = 1 /* SIGHASH_ALL */,
+ bool sign = true,
+ bool bip32derivs = true) const;
/**
* Create a new transaction paying the recipients with a set of coins
@@ -1153,9 +1178,12 @@ public:
//! Get the ScriptPubKeyMan by id
ScriptPubKeyMan* GetScriptPubKeyMan(const uint256& id) const;
+ //! Get all of the ScriptPubKeyMans for a script given additional information in sigdata (populated by e.g. a psbt)
+ std::set<ScriptPubKeyMan*> GetScriptPubKeyMans(const CScript& script, SignatureData& sigdata) const;
+
//! Get the SigningProvider for a script
- std::unique_ptr<SigningProvider> GetSigningProvider(const CScript& script) const;
- std::unique_ptr<SigningProvider> GetSigningProvider(const CScript& script, SignatureData& sigdata) const;
+ std::unique_ptr<SigningProvider> GetSolvingProvider(const CScript& script) const;
+ std::unique_ptr<SigningProvider> GetSolvingProvider(const CScript& script, SignatureData& sigdata) const;
//! Get the LegacyScriptPubKeyMan which is used for all types, internal, and external.
LegacyScriptPubKeyMan* GetLegacyScriptPubKeyMan() const;