def get_older_transactions(self, token_uid: bytes, timestamp: int,
hash_bytes: bytes,
count: int) -> Tuple[List[bytes], bool]:
it = self._iter_transactions(token_uid,
_TxIndex(hash_bytes, timestamp),
reverse=True)
return collect_n(it, count)
def get_newer(self, timestamp: int, hash_bytes: bytes,
count: int) -> Tuple[List[bytes], bool]:
it = (x for _, x in self._iter(timestamp, hash_bytes))
return collect_n(it, count)
def get_newest_transactions(self, token_uid: bytes,
count: int) -> Tuple[List[bytes], bool]:
it = self._iter_transactions(token_uid, reverse=True)
return collect_n(it, count)
def get_newest(self, count: int) -> Tuple[List[bytes], bool]:
it = (x for _, x in self._iter(reverse=True))
return collect_n(it, count)