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use std::sync::Arc;
use actix::{Actor, Addr};
use calimero_blobstore::BlobManager as BlobStore;
use calimero_context_client::client::ContextClient;
use calimero_node_primitives::client::NodeClient;
use calimero_store::Store;
use prometheus_client::metrics::counter::Counter;
use crate::readiness::{ReadinessCache, ReadinessCacheNotify, ReadinessConfig, ReadinessManager};
use crate::sync::SyncManager;
use crate::{NodeClients, NodeManagers, NodeState};
mod startup;
/// Main node orchestrator.
///
/// **SRP Applied**: Clear separation of:
/// - `clients`: External service clients (context, node)
/// - `managers`: Service managers (blobstore, sync)
/// - `state`: Mutable runtime state (caches)
#[derive(Debug)]
pub struct NodeManager {
pub(crate) clients: NodeClients,
pub(crate) managers: NodeManagers,
pub(crate) state: NodeState,
/// Datastore handle. Held on the manager so `setup_readiness_manager`
/// can hand a clone to [`ReadinessManager`] for namespace-identity
/// loading during beacon signing (Phase 7.2), and so the receiver-side
/// `verify_readiness_beacon` (Phase 7.3) can read the namespace
/// member set when `handle_readiness_beacon` runs on the manager
/// actor.
pub(crate) datastore: Store,
/// Shared per-namespace readiness-beacon cache. The receiver-side
/// `network_event::readiness::handle_readiness_beacon` (Phase 7.3)
/// calls `cache.insert(&beacon)` directly without an actor-mailbox
/// hop — the cache is internally synchronised, so routing through
/// the `ReadinessManager` would only add latency.
///
/// Held on the manager (not on `NodeClients`) so the cascaded-event
/// helpers in `handlers/state_delta` can keep their lightweight
/// `NodeClients` re-construction without having to plumb the cache
/// through. Those helpers don't read beacons.
pub(crate) readiness_cache: Arc<ReadinessCache>,
/// Per-namespace `Notify` registry paired with `readiness_cache`.
/// The receiver-side beacon handler calls `notify(ns)` after
/// `cache.insert(&beacon)` so any in-flight
/// `await_first_fresh_beacon` future wakes immediately.
pub(crate) readiness_notify: Arc<ReadinessCacheNotify>,
/// Address of the [`ReadinessManager`] actor. Wired by
/// `setup_readiness_manager` in [`Actor::started`]; `None` until
/// then (and during early-startup races where receivers may fire
/// before the manager is mounted — drop the message in that case).
pub(crate) readiness_addr: Option<Addr<ReadinessManager>>,
/// Sender into the dedicated `StateDeltaActor`. The
/// `BroadcastMessage::StateDelta` arm in
/// `handlers::network_event` routes jobs here instead of
/// `ctx.spawn`'ing them on this actor's Arbiter (issue #2299).
pub(crate) state_delta_tx: crate::state_delta_bridge::StateDeltaSender,
/// Sender into the dedicated `SyncSessionActor`. The
/// `StreamOpened` arm in `handlers::stream_opened` routes
/// inbound sync streams here instead of `ctx.spawn`'ing them on
/// this actor's Arbiter (issue #2316).
pub(crate) sync_session_tx: crate::sync_session_bridge::SyncSessionSender,
/// `sync_root_hash_divergence_detected_total` — incremented by the
/// hash-heartbeat handler each time it observes a peer with the same
/// DAG heads but a different storage root hash (#2319). Lets vmagent
/// alert on divergence rate without grepping logs; with the #2319
/// determinism fixes this should stay near zero.
pub(crate) divergence_detected: Counter,
}
impl NodeManager {
#[expect(clippy::too_many_arguments, reason = "wiring-only constructor")]
pub(crate) fn new(
blobstore: BlobStore,
sync_manager: SyncManager,
context_client: ContextClient,
node_client: NodeClient,
datastore: Store,
state: NodeState,
state_delta_tx: crate::state_delta_bridge::StateDeltaSender,
sync_session_tx: crate::sync_session_bridge::SyncSessionSender,
divergence_detected: Counter,
) -> Self {
Self {
clients: NodeClients {
context: context_client,
node: node_client,
},
managers: NodeManagers {
blobstore,
sync: sync_manager,
},
state,
datastore,
readiness_cache: Arc::new(ReadinessCache::default()),
readiness_notify: Arc::new(ReadinessCacheNotify::default()),
readiness_addr: None,
state_delta_tx,
sync_session_tx,
divergence_detected,
}
}
}
impl Actor for NodeManager {
type Context = actix::Context<Self>;
fn started(&mut self, ctx: &mut Self::Context) {
self.setup_startup_subscriptions(ctx);
self.setup_maintenance_intervals(ctx);
self.setup_hash_heartbeat_interval(ctx);
self.setup_readiness_manager(ctx);
}
}
impl NodeManager {
/// Mount the [`ReadinessManager`] actor and store its address so
/// receiver-side handlers can post `ApplyBeaconLocal` /
/// `EmitOutOfCycleBeacon`. Idempotent — only mounts once per
/// manager instance.
pub(crate) fn setup_readiness_manager(&mut self, _ctx: &mut actix::Context<Self>) {
if self.readiness_addr.is_some() {
return;
}
let manager = ReadinessManager {
cache: self.readiness_cache.clone(),
config: ReadinessConfig::default(),
state_per_namespace: std::collections::HashMap::new(),
node_client: self.clients.node.clone(),
datastore: self.datastore.clone(),
last_probe_response_at: std::collections::HashMap::new(),
};
self.readiness_addr = Some(manager.start());
}
}