func addWriteSetToBatch(txRWSet *rwset.TxReadWriteSet, txHeight *version.Height, batch *statedb.UpdateBatch) {
for _, nsRWSet := range txRWSet.NsRWs {
ns := nsRWSet.NameSpace
for _, kvWrite := range nsRWSet.Writes {
if kvWrite.IsDelete {
batch.Delete(ns, kvWrite.Key, txHeight)
} else {
batch.Put(ns, kvWrite.Key, kvWrite.Value, txHeight)
}
}
}
}
func (v *Validator) validateTx(txRWSet *rwset.TxReadWriteSet, updates *statedb.UpdateBatch) (bool, error) {
for _, nsRWSet := range txRWSet.NsRWs {
ns := nsRWSet.NameSpace
for _, kvRead := range nsRWSet.Reads {
if updates.Exists(ns, kvRead.Key) {
return false, nil
}
versionedValue, err := v.db.GetState(ns, kvRead.Key)
if err != nil {
return false, nil
}
var committedVersion *version.Height
if versionedValue != nil {
committedVersion = versionedValue.Version
}
if !version.AreSame(committedVersion, kvRead.Version) {
logger.Debugf("Version mismatch for key [%s:%s]. Committed version = [%s], Version in readSet [%s]",
ns, kvRead.Key, committedVersion, kvRead.Version)
return false, nil
}
}
}
return true, nil
}