Fringg c5124b97b6 fix: payment race conditions, balance atomicity, renewal rollback safety ...

- YooKassa: SELECT FOR UPDATE on payment row to prevent concurrent double-processing
- subtract_user_balance: row locking to prevent concurrent balance race conditions
- subtract_user_balance: transaction creation before commit for atomicity
- subscription renewal: compensating refund if extend_subscription fails after charge
- StaleDataError: use savepoint instead of full rollback to protect parent transaction

2026-02-11 21:49:37 +03:00

..

crud

fix: payment race conditions, balance atomicity, renewal rollback safety

2026-02-11 21:49:37 +03:00

__init__.py

chore: add uv package manager and ruff linter configuration

2026-01-24 17:45:27 +03:00

database.py

Adjust database connection pool settings

2026-01-27 14:29:13 +03:00

models.py

fix: handle nullable traffic_limit_gb and end_date in subscription model

2026-02-10 20:35:42 +03:00

universal_migration.py

feat: webhook protection — prevent sync/monitoring from overwriting webhook data

2026-02-10 07:16:22 +03:00