Method last_seen

nodedb-crdt/src/signing.rs:131–137

Return the current last_seen seq_no for a device, or 0 if unknown.

(&self, user_id: u64, device_id: u64)

    /// Return the current last_seen seq_no for a device, or 0 if unknown.
    pub fn last_seen(&self, user_id: u64, device_id: u64) -> u64 {
        self.inner
            .lock()
            .ok()
            .and_then(|g| g.get(&(user_id, device_id)).map(|s| s.last_seq_no))
            .unwrap_or(0)
    }
}

/// Signs deltas with a per-device HMAC-SHA256 key derived via HKDF.