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Check if blocks is empty

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This commit is contained in:
cybnon 2022-12-07 12:13:48 +01:00
parent cd74ea578d
commit c623a9fe6c
1 changed files with 3 additions and 3 deletions
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6
planetmint/backend/tarantool/query.py
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@ -9,7 +9,6 @@ from uuid import uuid4
from hashlib import sha256
from operator import itemgetter
from planetmint.backend.models.output import Condition
from planetmint.backend import query
from planetmint.backend.models.dbtransaction import DbTransaction
@ -55,8 +54,6 @@ def get_transaction(connection, tx_id: str) -> DbTransaction:
def store_transaction_outputs(connection, output: Output, index: int) -> str:
# TODO: store public keys as well
output_id = uuid4().hex
connection.run(connection.space(TARANT_TABLE_OUTPUT).insert((
output_id,
@ -146,6 +143,9 @@ def get_spent(connection, fullfil_transaction_id: str, fullfil_output_index: str
@register_query(TarantoolDBConnection)
def get_latest_block(connection):
blocks = connection.run(connection.space("blocks").select())
if not blocks:
return None
blocks = sorted(blocks, key=itemgetter(2), reverse=True)
latest_block = Block.from_tuple(blocks[0])
return latest_block.to_dict()