diff options
Diffstat (limited to 'src/node/psbt.cpp')
| -rw-r--r-- | src/node/psbt.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/node/psbt.cpp b/src/node/psbt.cpp index 9a30c3f083..69fb1a28a9 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> @@ -31,6 +32,10 @@ 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 { @@ -85,9 +90,16 @@ 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; |