diff options
| -rw-r--r-- | src/primitives/transaction.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h index f6f8e31363..aad991e2f1 100644 --- a/src/primitives/transaction.h +++ b/src/primitives/transaction.h @@ -222,6 +222,10 @@ inline void UnserializeTransaction(TxType& tx, Stream& s) { for (size_t i = 0; i < tx.vin.size(); i++) { s >> tx.vin[i].scriptWitness.stack; } + if (!tx.HasWitness()) { + /* It's illegal to encode witnesses when all witness stacks are empty. */ + throw std::ios_base::failure("Superfluous witness record"); + } } if (flags) { /* Unknown flag in the serialization */ |