robosats/api/management/commands/clean_orders.py
2025-06-12 18:07:29 +02:00

127 lines
4.5 KiB
Python

import time
from django.core.management.base import BaseCommand
from django.utils import timezone
from decouple import config
from api.logics import Logics
from api.models import Order, TakeOrder
LNVENDOR = config("LNVENDOR", cast=str, default="LND")
def invoice_lookup_error(exc_string: str) -> bool:
if LNVENDOR == "LND":
if "unable to locate invoice" in exc_string:
return True
elif LNVENDOR == "CLN":
if (
"empty result for listdatastore_state" in exc_string or
"Invoice dropped from internal state unexpectedly" in exc_string
):
return True
return False
class Command(BaseCommand):
help = "Follows all active orders and make them expire if needed."
do_nothing = [
Order.Status.UCA,
Order.Status.EXP,
Order.Status.DIS,
Order.Status.CCA,
Order.Status.PAY,
Order.Status.SUC,
Order.Status.FAI,
Order.Status.MLD,
Order.Status.TLD,
Order.Status.WFR,
]
def clean_orders(self):
"""Continuously checks order expiration times. If order
has expires, it calls the logics module for expiration handling."""
queryset = Order.objects.exclude(status__in=self.do_nothing)
queryset = queryset.filter(
expires_at__lt=timezone.now()
) # expires at lower than now
debug = {}
debug["num_expired_orders"] = len(queryset)
debug["expired_orders"] = []
debug["failed_order_expiry"] = []
debug["reason_failure"] = []
for idx, order in enumerate(queryset):
context = str(order) + " was " + Order.Status(order.status).label
try:
if Logics.order_expires(order): # Order send to expire here
debug["expired_orders"].append({idx: context})
# expire all related take orders
take_orders_queryset = TakeOrder.objects.filter(
order=order, expires_at__gt=timezone.now()
)
for idx, take_order in enumerate(take_orders_queryset):
Logics.take_order_expires(take_order)
# It should not happen, but if it cannot locate the hold invoice
# it probably was cancelled by another thread, make it expire anyway.
except Exception as e:
debug["failed_order_expiry"].append({idx: context})
debug["reason_failure"].append({idx: str(e)})
if invoice_lookup_error(str(e)):
self.stdout.write(str(e))
order.update_status(Order.Status.EXP)
debug["expired_orders"].append({idx: context})
if debug["num_expired_orders"] > 0:
self.stdout.write(str(timezone.now()))
self.stdout.write(str(debug))
take_orders_queryset = TakeOrder.objects.filter(expires_at__lt=timezone.now())
debug["num_expired_take_orders"] = len(take_orders_queryset)
debug["expired_take_orders"] = []
debug["failed_take_order_expiry"] = []
debug["reason_take_failure"] = []
for idx, take_order in enumerate(take_orders_queryset):
context = str(take_order) + " was expired"
try:
Logics.take_order_expires(take_order)
take_order.delete()
debug["expired_take_orders"].append({idx: context})
# It should not happen, but if it cannot locate the hold invoice
# it probably was cancelled by another thread, make it expire anyway.
except Exception as e:
debug["failed_take_order_expiry"].append({idx: context})
debug["reason_take_failure"].append({idx: str(e)})
if invoice_lookup_error(str(e)):
self.stdout.write(str(e))
debug["expired_take_orders"].append({idx: context})
if debug["num_expired_take_orders"] > 0:
self.stdout.write(str(timezone.now()))
self.stdout.write(str(debug))
def handle(self, *args, **options):
"""Never mind database locked error, keep going, print them out.
Not an issue with PostgresQL"""
try:
while True:
self.clean_orders()
time.sleep(5)
except Exception as e:
if "database is locked" in str(e):
self.stdout.write("database is locked")
self.stdout.write(str(e))