Method update_peer_last_seen

gateway/src/kv/mod.rs:705–714

(&self, peer_id: NodeId)

    }

    pub fn update_peer_last_seen(&self, peer_id: NodeId) {
        let ts = std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)
            .map(|d| d.as_secs())
            .unwrap_or(0);
        let key = keys::last_seen_node(peer_id, self.my_node_id);
        if let Err(e) = self.ephemeral.write().put_encoded(key, &ts) {
            warn!("failed to update peer {peer_id} last_seen: {e}");
        }
    }

    /// Get all peer addresses from DB (for debugging/testing)
    pub fn get_all_peer_addrs(&self) -> BTreeMap<NodeId, String> {