def fetch_user_presence(user_id):
if user_id in address_manager._userid_to_presence.keys():
return address_manager.get_userid_presence(user_id)
else:
presence = UserPresence(
dummy_matrix_client.get_user_presence(user_id))
address_manager._userid_to_presence[user_id] = presence
return address_manager._userid_to_presence[user_id]
def _presence_listener(self, event: Dict[str, Any],
presence_update_id: int) -> None:
"""
Update cached user presence state from Matrix presence events.
Due to the possibility of nodes using accounts on multiple homeservers a composite
address state is synthesised from the cached individual user presence states.
This is a copy from the super class with a slight change.
Any user will automatically be added to the whitelist whenever the PFS receives
a presence update. We do this since we can assume that the PFS needs to know
about all raiden users.
"""
if self._stop_event.ready():
return
user_id = event["sender"]
if event["type"] != "m.presence" or user_id == self._user_id:
return
address = address_from_userid(user_id)
# not a user authenticated by EthAuthProvider
if address is None:
return
user = self._user_from_id(user_id, event["content"].get("displayname"))
if not user:
return
self._displayname_cache.warm_users([user])
# If for any reason we cannot resolve the displayname, then there was a server error.
# Any properly logged in user that joined a room, will have a displayname.
# A reason for not resolving it could be rate limiting by the other server.
if user.displayname is None:
new_state = UserPresence.SERVER_ERROR
self._set_user_presence(user_id, new_state, presence_update_id)
return
address = self._validate_userid_signature(user)
if not address:
return
self.add_userid_for_address(address, user_id)
new_state = UserPresence(event["content"]["presence"])
self._set_user_presence(user_id, new_state, presence_update_id)
self._maybe_address_reachability_changed(address)