Set log level of logger passed to the aionostr.Manager to INFO because the debug log output of Manager is very verbose (showing single websocket messages etc.). This still provides enough useful information for debugging purposes.

electrum/submarine_swaps.py

@@ -1412,10 +1412,12 @@ class NostrTransport(SwapServerTransport):
                 proxy = make_aiohttp_proxy_connector(self.network.proxy, self.ssl_context)
             else:
                 proxy: Optional['ProxyConnector'] = None
+            nostr_logger = self.logger.getChild('aionostr')
+            nostr_logger.setLevel('INFO')  # DEBUG is very verbose with aionostr
             return aionostr.Manager(
                 self.relays,
                 private_key=self.nostr_private_key,
-                log=self.logger,
+                log=nostr_logger,
                 ssl_context=self.ssl_context,
                 proxy=proxy,
                 connect_timeout=self.connect_timeout