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-rw-r--r--src/wallet/rpcwallet.cpp76
-rw-r--r--src/wallet/rpcwallet.h2
-rw-r--r--src/wallet/test/psbt_wallet_tests.cpp6
3 files changed, 33 insertions, 51 deletions
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 0a9242327b..6400b4470f 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -4502,24 +4502,34 @@ void AddKeypathToMap(const CWallet* pwallet, const CKeyID& keyID, std::map<CPubK
hd_keypaths.emplace(vchPubKey, keypath);
}
-bool FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, const CTransaction* txConst, int sighash_type, bool sign, bool bip32derivs)
+bool FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, int sighash_type, bool sign, bool bip32derivs)
{
LOCK(pwallet->cs_wallet);
// Get all of the previous transactions
bool complete = true;
- for (unsigned int i = 0; i < txConst->vin.size(); ++i) {
- const CTxIn& txin = txConst->vin[i];
+ 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 we don't know about this input, skip it and let someone else deal with it
- const uint256& txhash = txin.prevout.hash;
- const auto it = pwallet->mapWallet.find(txhash);
- if (it != pwallet->mapWallet.end()) {
- const CWalletTx& wtx = it->second;
- CTxOut utxo = wtx.tx->vout[txin.prevout.n];
- // Update both UTXOs from the wallet.
- input.non_witness_utxo = wtx.tx;
- input.witness_utxo = utxo;
+ 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()) {
+ throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "PSBT input is not sane.");
+ }
+
+ // 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
@@ -4529,9 +4539,9 @@ bool FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, const C
SignatureData sigdata;
if (sign) {
- complete &= SignPSBTInput(*pwallet, *psbtx.tx, input, sigdata, i, sighash_type);
+ complete &= SignPSBTInput(*pwallet, psbtx, sigdata, i, sighash_type);
} else {
- complete &= SignPSBTInput(PublicOnlySigningProvider(pwallet), *psbtx.tx, input, sigdata, i, sighash_type);
+ complete &= SignPSBTInput(PublicOnlySigningProvider(pwallet), psbtx, sigdata, i, sighash_type);
}
if (sigdata.witness) {
@@ -4541,15 +4551,6 @@ bool FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, const C
}
}
- // If both UTXO types are present, drop the unnecessary one.
- if (input.non_witness_utxo && !input.witness_utxo.IsNull()) {
- if (sigdata.witness) {
- input.non_witness_utxo = nullptr;
- } else {
- input.witness_utxo.SetNull();
- }
- }
-
// Get public key paths
if (bip32derivs) {
for (const auto& pubkey_it : sigdata.misc_pubkeys) {
@@ -4559,8 +4560,8 @@ bool FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, const C
}
// Fill in the bip32 keypaths and redeemscripts for the outputs so that hardware wallets can identify change
- for (unsigned int i = 0; i < txConst->vout.size(); ++i) {
- const CTxOut& out = txConst->vout.at(i);
+ for (unsigned int i = 0; i < psbtx.tx->vout.size(); ++i) {
+ const CTxOut& out = psbtx.tx->vout.at(i);
PSBTOutput& psbt_out = psbtx.outputs.at(i);
// Dummy tx so we can use ProduceSignature to get stuff out
@@ -4637,19 +4638,15 @@ UniValue walletprocesspsbt(const JSONRPCRequest& request)
// Get the sighash type
int nHashType = ParseSighashString(request.params[2]);
- // Use CTransaction for the constant parts of the
- // transaction to avoid rehashing.
- const CTransaction txConst(*psbtx.tx);
-
// Fill transaction with our data and also sign
bool sign = request.params[1].isNull() ? true : request.params[1].get_bool();
bool bip32derivs = request.params[3].isNull() ? false : request.params[3].get_bool();
- bool complete = FillPSBT(pwallet, psbtx, &txConst, nHashType, sign, bip32derivs);
+ bool complete = FillPSBT(pwallet, psbtx, nHashType, sign, bip32derivs);
UniValue result(UniValue::VOBJ);
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << psbtx;
- result.pushKV("psbt", EncodeBase64((unsigned char*)ssTx.data(), ssTx.size()));
+ result.pushKV("psbt", EncodeBase64(ssTx.str()));
result.pushKV("complete", complete);
return result;
@@ -4741,29 +4738,18 @@ UniValue walletcreatefundedpsbt(const JSONRPCRequest& request)
FundTransaction(pwallet, rawTx, fee, change_position, request.params[3]);
// Make a blank psbt
- PartiallySignedTransaction psbtx;
- psbtx.tx = rawTx;
- for (unsigned int i = 0; i < rawTx.vin.size(); ++i) {
- psbtx.inputs.push_back(PSBTInput());
- }
- for (unsigned int i = 0; i < rawTx.vout.size(); ++i) {
- psbtx.outputs.push_back(PSBTOutput());
- }
-
- // Use CTransaction for the constant parts of the
- // transaction to avoid rehashing.
- const CTransaction txConst(*psbtx.tx);
+ PartiallySignedTransaction psbtx(rawTx);
// Fill transaction with out data but don't sign
bool bip32derivs = request.params[4].isNull() ? false : request.params[4].get_bool();
- FillPSBT(pwallet, psbtx, &txConst, 1, false, bip32derivs);
+ FillPSBT(pwallet, psbtx, 1, false, bip32derivs);
// Serialize the PSBT
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << psbtx;
UniValue result(UniValue::VOBJ);
- result.pushKV("psbt", EncodeBase64((unsigned char*)ssTx.data(), ssTx.size()));
+ result.pushKV("psbt", EncodeBase64(ssTx.str()));
result.pushKV("fee", ValueFromAmount(fee));
result.pushKV("changepos", change_position);
return result;
diff --git a/src/wallet/rpcwallet.h b/src/wallet/rpcwallet.h
index 9b9a159b86..abd7750874 100644
--- a/src/wallet/rpcwallet.h
+++ b/src/wallet/rpcwallet.h
@@ -30,5 +30,5 @@ bool EnsureWalletIsAvailable(CWallet *, bool avoidException);
UniValue getaddressinfo(const JSONRPCRequest& request);
UniValue signrawtransactionwithwallet(const JSONRPCRequest& request);
-bool FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, const CTransaction* txConst, int sighash_type = 1, bool sign = true, bool bip32derivs = false);
+bool FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false);
#endif //BITCOIN_WALLET_RPCWALLET_H
diff --git a/src/wallet/test/psbt_wallet_tests.cpp b/src/wallet/test/psbt_wallet_tests.cpp
index 61c3fa94a6..8d46718a7d 100644
--- a/src/wallet/test/psbt_wallet_tests.cpp
+++ b/src/wallet/test/psbt_wallet_tests.cpp
@@ -59,12 +59,8 @@ BOOST_AUTO_TEST_CASE(psbt_updater_test)
CDataStream ssData(ParseHex("70736274ff01009a020000000258e87a21b56daf0c23be8e7070456c336f7cbaa5c8757924f545887bb2abdd750000000000ffffffff838d0427d0ec650a68aa46bb0b098aea4422c071b2ca78352a077959d07cea1d0100000000ffffffff0270aaf00800000000160014d85c2b71d0060b09c9886aeb815e50991dda124d00e1f5050000000016001400aea9a2e5f0f876a588df5546e8742d1d87008f000000000000000000"), SER_NETWORK, PROTOCOL_VERSION);
ssData >> psbtx;
- // Use CTransaction for the constant parts of the
- // transaction to avoid rehashing.
- const CTransaction txConst(*psbtx.tx);
-
// Fill transaction with our data
- FillPSBT(&m_wallet, psbtx, &txConst, 1, false, true);
+ FillPSBT(&m_wallet, psbtx, SIGHASH_ALL, false, true);
// Get the final tx
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
generated by cgit v1.2.3 (git 2.26.2) at 2024-08-25 06:52:23 +0000