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-rw-r--r--src/node/psbt.cpp16
-rw-r--r--src/psbt.cpp8
-rw-r--r--src/rpc/rawtransaction.cpp22
-rw-r--r--src/wallet/psbtwallet.cpp3
-rw-r--r--src/wallet/test/psbt_wallet_tests.cpp9
-rwxr-xr-xtest/functional/rpc_psbt.py15
6 files changed, 69 insertions, 4 deletions
diff --git a/src/node/psbt.cpp b/src/node/psbt.cpp
index 34c6866a5c..8678b33cf3 100644
--- a/src/node/psbt.cpp
+++ b/src/node/psbt.cpp
@@ -2,6 +2,7 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#include <amount.h>
#include <coins.h>
#include <consensus/tx_verify.h>
#include <node/psbt.h>
@@ -31,9 +32,17 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx)
// Check for a UTXO
CTxOut utxo;
if (psbtx.GetInputUTXO(utxo, i)) {
+ if (!MoneyRange(utxo.nValue) || !MoneyRange(in_amt + utxo.nValue)) {
+ result.SetInvalid(strprintf("PSBT is not valid. Input %u has invalid value", i));
+ return result;
+ }
in_amt += utxo.nValue;
input_analysis.has_utxo = true;
} else {
+ if (input.non_witness_utxo && psbtx.tx->vin[i].prevout.n >= input.non_witness_utxo->vout.size()) {
+ result.SetInvalid(strprintf("PSBT is not valid. Input %u specifies invalid prevout", i));
+ return result;
+ }
input_analysis.has_utxo = false;
input_analysis.is_final = false;
input_analysis.next = PSBTRole::UPDATER;
@@ -85,9 +94,16 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx)
// Get the output amount
CAmount out_amt = std::accumulate(psbtx.tx->vout.begin(), psbtx.tx->vout.end(), CAmount(0),
[](CAmount a, const CTxOut& b) {
+ if (!MoneyRange(a) || !MoneyRange(b.nValue) || !MoneyRange(a + b.nValue)) {
+ return CAmount(-1);
+ }
return a += b.nValue;
}
);
+ if (!MoneyRange(out_amt)) {
+ result.SetInvalid(strprintf("PSBT is not valid. Output amount invalid"));
+ return result;
+ }
// Get the fee
CAmount fee = in_amt - out_amt;
diff --git a/src/psbt.cpp b/src/psbt.cpp
index c23b78b3ee..e6b6285652 100644
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -66,8 +66,11 @@ bool PartiallySignedTransaction::AddOutput(const CTxOut& txout, const PSBTOutput
bool PartiallySignedTransaction::GetInputUTXO(CTxOut& utxo, int input_index) const
{
PSBTInput input = inputs[input_index];
- int prevout_index = tx->vin[input_index].prevout.n;
+ uint32_t prevout_index = tx->vin[input_index].prevout.n;
if (input.non_witness_utxo) {
+ if (prevout_index >= input.non_witness_utxo->vout.size()) {
+ return false;
+ }
utxo = input.non_witness_utxo->vout[prevout_index];
} else if (!input.witness_utxo.IsNull()) {
utxo = input.witness_utxo;
@@ -255,6 +258,9 @@ bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction&
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 (prevout.n >= input.non_witness_utxo->vout.size()) {
+ return false;
+ }
if (input.non_witness_utxo->GetHash() != prevout.hash) {
return false;
}
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 5be7acce1c..cea59b2c7a 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -1079,7 +1079,12 @@ UniValue decodepsbt(const JSONRPCRequest& request)
UniValue out(UniValue::VOBJ);
out.pushKV("amount", ValueFromAmount(txout.nValue));
- total_in += txout.nValue;
+ if (MoneyRange(txout.nValue) && MoneyRange(total_in + txout.nValue)) {
+ total_in += txout.nValue;
+ } else {
+ // Hack to just not show fee later
+ have_all_utxos = false;
+ }
UniValue o(UniValue::VOBJ);
ScriptToUniv(txout.scriptPubKey, o, true);
@@ -1089,7 +1094,13 @@ UniValue decodepsbt(const JSONRPCRequest& request)
UniValue non_wit(UniValue::VOBJ);
TxToUniv(*input.non_witness_utxo, uint256(), non_wit, false);
in.pushKV("non_witness_utxo", non_wit);
- total_in += input.non_witness_utxo->vout[psbtx.tx->vin[i].prevout.n].nValue;
+ CAmount utxo_val = input.non_witness_utxo->vout[psbtx.tx->vin[i].prevout.n].nValue;
+ if (MoneyRange(utxo_val) && MoneyRange(total_in + utxo_val)) {
+ total_in += utxo_val;
+ } else {
+ // Hack to just not show fee later
+ have_all_utxos = false;
+ }
} else {
have_all_utxos = false;
}
@@ -1205,7 +1216,12 @@ UniValue decodepsbt(const JSONRPCRequest& request)
outputs.push_back(out);
// Fee calculation
- output_value += psbtx.tx->vout[i].nValue;
+ if (MoneyRange(psbtx.tx->vout[i].nValue) && MoneyRange(output_value + psbtx.tx->vout[i].nValue)) {
+ output_value += psbtx.tx->vout[i].nValue;
+ } else {
+ // Hack to just not show fee later
+ have_all_utxos = false;
+ }
}
result.pushKV("outputs", outputs);
if (have_all_utxos) {
diff --git a/src/wallet/psbtwallet.cpp b/src/wallet/psbtwallet.cpp
index 96c1ad8d3f..3e6386a63f 100644
--- a/src/wallet/psbtwallet.cpp
+++ b/src/wallet/psbtwallet.cpp
@@ -44,6 +44,9 @@ TransactionError FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& ps
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
diff --git a/src/wallet/test/psbt_wallet_tests.cpp b/src/wallet/test/psbt_wallet_tests.cpp
index d930ca6bea..5368842ff5 100644
--- a/src/wallet/test/psbt_wallet_tests.cpp
+++ b/src/wallet/test/psbt_wallet_tests.cpp
@@ -68,6 +68,15 @@ BOOST_AUTO_TEST_CASE(psbt_updater_test)
ssTx << psbtx;
std::string final_hex = HexStr(ssTx.begin(), ssTx.end());
BOOST_CHECK_EQUAL(final_hex, "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");
+
+ // Mutate the transaction so that one of the inputs is invalid
+ psbtx.tx->vin[0].prevout.n = 2;
+
+ // Try to sign the mutated input
+ SignatureData sigdata;
+ psbtx.inputs[0].FillSignatureData(sigdata);
+ const SigningProvider* provider = m_wallet.GetSigningProvider(ws1, sigdata);
+ BOOST_CHECK(!SignPSBTInput(*provider, psbtx, 0, SIGHASH_ALL));
}
BOOST_AUTO_TEST_CASE(parse_hd_keypath)
diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py
index 2cc9650cb2..33af819d34 100755
--- a/test/functional/rpc_psbt.py
+++ b/test/functional/rpc_psbt.py
@@ -422,5 +422,20 @@ class PSBTTest(BitcoinTestFramework):
assert_equal(analysis['next'], 'creator')
assert_equal(analysis['error'], 'PSBT is not valid. Input 0 spends unspendable output')
+ self.log.info("PSBT with invalid values should have error message and Creator as next")
+ analysis = self.nodes[0].analyzepsbt('cHNidP8BAHECAAAAAfA00BFgAm6tp86RowwH6BMImQNL5zXUcTT97XoLGz0BAAAAAAD/////AgD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XL87QKVAAAAABYAFPck4gF7iL4NL4wtfRAKgQbghiTUAAAAAAABAR8AgIFq49AHABYAFJUDtxf2PHo641HEOBOAIvFMNTr2AAAA')
+ assert_equal(analysis['next'], 'creator')
+ assert_equal(analysis['error'], 'PSBT is not valid. Input 0 has invalid value')
+
+ analysis = self.nodes[0].analyzepsbt('cHNidP8BAHECAAAAAfA00BFgAm6tp86RowwH6BMImQNL5zXUcTT97XoLGz0BAAAAAAD/////AgCAgWrj0AcAFgAUKNw0x8HRctAgmvoevm4u1SbN7XL87QKVAAAAABYAFPck4gF7iL4NL4wtfRAKgQbghiTUAAAAAAABAR8A8gUqAQAAABYAFJUDtxf2PHo641HEOBOAIvFMNTr2AAAA')
+ assert_equal(analysis['next'], 'creator')
+ assert_equal(analysis['error'], 'PSBT is not valid. Output amount invalid')
+
+ analysis = self.nodes[0].analyzepsbt('cHNidP8BAJoCAAAAAkvEW8NnDtdNtDpsmze+Ht2LH35IJcKv00jKAlUs21RrAwAAAAD/////S8Rbw2cO1020OmybN74e3Ysffkglwq/TSMoCVSzbVGsBAAAAAP7///8CwLYClQAAAAAWABSNJKzjaUb3uOxixsvh1GGE3fW7zQD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XIAAAAAAAEAnQIAAAACczMa321tVHuN4GKWKRncycI22aX3uXgwSFUKM2orjRsBAAAAAP7///9zMxrfbW1Ue43gYpYpGdzJwjbZpfe5eDBIVQozaiuNGwAAAAAA/v///wIA+QKVAAAAABl2qRT9zXUVA8Ls5iVqynLHe5/vSe1XyYisQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAAAAAQEfQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAA==')
+ assert_equal(analysis['next'], 'creator')
+ assert_equal(analysis['error'], 'PSBT is not valid. Input 0 specifies invalid prevout')
+
+ assert_raises_rpc_error(-25, 'Missing inputs', self.nodes[0].walletprocesspsbt, 'cHNidP8BAJoCAAAAAkvEW8NnDtdNtDpsmze+Ht2LH35IJcKv00jKAlUs21RrAwAAAAD/////S8Rbw2cO1020OmybN74e3Ysffkglwq/TSMoCVSzbVGsBAAAAAP7///8CwLYClQAAAAAWABSNJKzjaUb3uOxixsvh1GGE3fW7zQD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XIAAAAAAAEAnQIAAAACczMa321tVHuN4GKWKRncycI22aX3uXgwSFUKM2orjRsBAAAAAP7///9zMxrfbW1Ue43gYpYpGdzJwjbZpfe5eDBIVQozaiuNGwAAAAAA/v///wIA+QKVAAAAABl2qRT9zXUVA8Ls5iVqynLHe5/vSe1XyYisQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAAAAAQEfQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAA==')
+
if __name__ == '__main__':
PSBTTest().main()
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-09 19:22:51 +0000