def update_attack_data(current_round: int) -> None:
tasks = storage.tasks.get_tasks()
tasks = list(filter(lambda x: x.checker_provides_public_flag_data, tasks))
attack_data = storage.flags.get_attack_data(current_round, tasks)
with utils.redis_pipeline(transaction=False) as pipe:
pipe.set(CacheKeys.attack_data(), kjson.dumps(attack_data))
pipe.execute()
def get_attack_data() -> str:
"""Get public flag ids for tasks that provide them, as json string."""
with utils.redis_pipeline(transaction=False) as pipe:
attack_data, = pipe.get(CacheKeys.attack_data()).execute()
return attack_data or 'null'
