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-rw-r--r--src/primitives/transaction.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index d37890667f..5689d15bf7 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -290,6 +290,8 @@ struct CMutableTransaction;
*/
template<typename Stream, typename Operation, typename TxType>
inline void SerializeTransaction(TxType& tx, Stream& s, Operation ser_action, int nType, int nVersion) {
+ const bool fAllowWitness = !(nVersion & SERIALIZE_TRANSACTION_NO_WITNESS);
+
READWRITE(*const_cast<int32_t*>(&tx.nVersion));
unsigned char flags = 0;
if (ser_action.ForRead()) {
@@ -298,7 +300,7 @@ inline void SerializeTransaction(TxType& tx, Stream& s, Operation ser_action, in
const_cast<CTxWitness*>(&tx.wit)->SetNull();
/* Try to read the vin. In case the dummy is there, this will be read as an empty vector. */
READWRITE(*const_cast<std::vector<CTxIn>*>(&tx.vin));
- if (tx.vin.size() == 0 && !(nVersion & SERIALIZE_TRANSACTION_NO_WITNESS)) {
+ if (tx.vin.size() == 0 && fAllowWitness) {
/* We read a dummy or an empty vin. */
READWRITE(flags);
if (flags != 0) {
@@ -309,7 +311,7 @@ inline void SerializeTransaction(TxType& tx, Stream& s, Operation ser_action, in
/* We read a non-empty vin. Assume a normal vout follows. */
READWRITE(*const_cast<std::vector<CTxOut>*>(&tx.vout));
}
- if ((flags & 1) && !(nVersion & SERIALIZE_TRANSACTION_NO_WITNESS)) {
+ if ((flags & 1) && fAllowWitness) {
/* The witness flag is present, and we support witnesses. */
flags ^= 1;
const_cast<CTxWitness*>(&tx.wit)->vtxinwit.resize(tx.vin.size());
@@ -322,7 +324,7 @@ inline void SerializeTransaction(TxType& tx, Stream& s, Operation ser_action, in
} else {
// Consistency check
assert(tx.wit.vtxinwit.size() <= tx.vin.size());
- if (!(nVersion & SERIALIZE_TRANSACTION_NO_WITNESS)) {
+ if (fAllowWitness) {
/* Check whether witnesses need to be serialized. */
if (!tx.wit.IsNull()) {
flags |= 1;