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python-teos/pisa/cleaner.py
Sergi Delgado Segura 5f7cd7e189 Delete old TODOs
2019-12-05 11:34:44 +01:00

88 lines
3.3 KiB
Python

from pisa.logger import Logger
logger = Logger("Cleaner")
# Dictionaries in Python are "passed-by-reference", so no return is needed for the Cleaner"
# https://docs.python.org/3/faq/programming.html#how-do-i-write-a-function-with-output-parameters-call-by-reference
class Cleaner:
@staticmethod
def delete_expired_appointment(expired_appointments, appointments, locator_uuid_map, db_manager):
for uuid in expired_appointments:
locator = appointments[uuid].locator
appointments.pop(uuid)
if len(locator_uuid_map[locator]) == 1:
locator_uuid_map.pop(locator)
else:
locator_uuid_map[locator].remove(uuid)
logger.info("End time reached with no match. Deleting appointment.", locator=locator, uuid=uuid)
# Delete appointment from the db
db_manager.delete_watcher_appointment(uuid)
@staticmethod
def delete_completed_appointment(locator, uuid, appointments, locator_uuid_map, db_manager):
# Delete the appointment
appointment = appointments.pop(uuid)
# If there was only one appointment that matches the locator we can delete the whole list
if len(locator_uuid_map[locator]) == 1:
locator_uuid_map.pop(locator)
else:
# Otherwise we just delete the appointment that matches locator:appointment_pos
locator_uuid_map[locator].remove(uuid)
# DISCUSS: instead of deleting the appointment, we will mark it as triggered and delete it from both
# the watcher's and responder's db after fulfilled
# Update appointment in the db
appointment.triggered = True
db_manager.store_watcher_appointment(uuid, appointment.to_json())
@staticmethod
def delete_completed_jobs(jobs, tx_job_map, completed_jobs, height, db_manager):
for uuid, confirmations in completed_jobs:
logger.info(
"Job completed. Appointment ended after reaching enough confirmations.",
uuid=uuid,
height=height,
confirmations=confirmations,
)
justice_txid = jobs[uuid].justice_txid
locator = jobs[uuid].locator
jobs.pop(uuid)
if len(tx_job_map[justice_txid]) == 1:
tx_job_map.pop(justice_txid)
logger.info("No more jobs for justice transaction.", justice_txid=justice_txid)
else:
tx_job_map[justice_txid].remove(uuid)
# Delete appointment from the db (both watchers's and responder's)
db_manager.delete_watcher_appointment(uuid)
db_manager.delete_responder_job(uuid)
# Update / delete the locator map
locator_map = db_manager.load_locator_map(locator)
if locator_map is not None:
if uuid in locator_map:
if len(locator_map) == 1:
db_manager.delete_locator_map(locator)
else:
locator_map.remove(uuid)
db_manager.store_update_locator_map(locator, locator_map)
else:
logger.error("UUID not found in the db.", uuid=uuid)
else:
logger.error("Locator not found in the db.", uuid=uuid)