diff options
Diffstat (limited to 'src/psbt.cpp')
| -rw-r--r-- | src/psbt.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/psbt.cpp b/src/psbt.cpp index c306079b1e..e6b6285652 100644 --- a/src/psbt.cpp +++ b/src/psbt.cpp @@ -1,4 +1,4 @@ -// Copyright (c) 2009-2018 The Bitcoin Core developers +// 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. @@ -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; } @@ -348,6 +354,7 @@ TransactionError CombinePSBTs(PartiallySignedTransaction& out, const std::vector std::string PSBTRoleName(PSBTRole role) { switch (role) { + case PSBTRole::CREATOR: return "creator"; case PSBTRole::UPDATER: return "updater"; case PSBTRole::SIGNER: return "signer"; case PSBTRole::FINALIZER: return "finalizer"; |