# Functions
CopyKeyValue clone and return enw KeyValue.
NewKeyValue new KeyValue.
NewLevelDbDAO New instance of LevelDbDAO struct.
NewMemDbDAO new memdb dao instance.
# Structs
KeyValue LevelDB uses key-value struct.
LevelDbDAO a dao implementation using leveldb.
MemDbDAO an in-memory dao implementation using memdb package of leveldb.
# Interfaces
KeyValueDAO generic DAO interface for the indexer.
# Type aliases
Predicate predicate.