pub async fn peer_down_notification<T: StateStore>(
state: Option<AsyncState<T>>,
tx: Sender<Update>,
metadata: UpdateMetadata,
_: PeerDownNotification,
) -> Result<()>pub async fn peer_down_notification<T: StateStore>(
state: Option<AsyncState<T>>,
tx: Sender<Update>,
metadata: UpdateMetadata,
_: PeerDownNotification,
) -> Result<()>