davide/purple-electrumwallet
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plugin: nwc: qt: fix thread safety bug

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Call `NWCServer.event_handler_task.cancel()` on asyncio thread.

```
 File "/home/user/Documents/electrum/electrum/plugins/nwc/nwcserver.py", line 281, in restart_event_handler
   self.event_handler_task.cancel()
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
 File "/usr/lib64/python3.14/asyncio/base_events.py", line 829, in call_soon
   self._check_thread()
   ~~~~~~~~~~~~~~~~~~^^
 File "/usr/lib64/python3.14/asyncio/base_events.py", line 866, in _check_thread
   raise RuntimeError(
       "Non-thread-safe operation invoked on an event loop other "
       "than the current one")
RuntimeError: Non-thread-safe operation invoked on an event loop other than the current one
```
This commit is contained in:
f321x
2026-02-16 09:28:16 +01:00
parent 4c597ffb5a
commit 4556d59fc0
1 changed files with 2 additions and 2 deletions
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electrum/plugins/nwc/nwcserver.py
+2 -2
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@@ -39,7 +39,7 @@ from electrum.plugin import BasePlugin, hook
from electrum.logging import Logger
from electrum.util import log_exceptions, ca_path, OldTaskGroup, get_asyncio_loop, InvoiceError, \
LightningHistoryItem, event_listener, EventListener, make_aiohttp_proxy_connector, \
get_running_loop
get_running_loop, run_sync_function_on_asyncio_thread
from electrum.invoices import Invoice, Request, PR_UNKNOWN, PR_PAID, BaseInvoice, PR_INFLIGHT
from electrum import constants
from electrum.lnutil import RECEIVED
@@ -278,7 +278,7 @@ class NWCServer(Logger, EventListener):
def restart_event_handler(self) -> None:
"""To be called when the connections change so we restart with a new filter"""
if self.event_handler_task:
self.event_handler_task.cancel()
run_sync_function_on_asyncio_thread(self.event_handler_task.cancel, block=True)
@event_listener
def on_event_proxy_set(self, *args):