def get_vote_from_lookup(self, vote_hash) -> BaseVote:
lookup = Lookup.vote(vote_hash)
if lookup in self.db:
height, seek_index = loads(self.db.get(lookup))
header = self.get_header_from_height(height)
vote_root = header.hash_vote_root
trie = prepare_trie(vote_root, self.db)
trie_key = get_trie_key(int_to_bytes32(seek_index))
vote = trie.get(trie_key)
return vote
def _set_vote_from_lookup(self, height, seek_index, vote):
lookup_key = Lookup.vote(vote.hash)
leaf_key = dumps((height, seek_index))
self.db.put(lookup_key, leaf_key)