Struct TransientSnapshot 

pub struct TransientSnapshot {
    pub frontier: Vec<(u64, u64)>,
    pub slot_table: HashMap<(u64, u64), Option<Vec<u8>>>,
    pub pending_async: HashMap<u64, PendingAsyncSnapshot>,
    pub execution_state: HashMap<u64, ExecutionStateSnapshot>,
    pub framework: FrameworkSnapshot,
    pub bus: TypedBusSnapshot,
    pub ingress: Vec<IngressEventSnapshot>,
    pub wire_states: HashMap<u32, Vec<u8>>,
    pub pending_completions: Vec<PendingCompletionSnapshot>,
}

Runtime ephemeral state per ENGINE.md §15.1.

Fields

frontier: Vec<(u64, u64)>

In-cycle DAG-walking queue.

slot_table: HashMap<(u64, u64), Option<Vec<u8>>>

(NodeSiteId, ExecId) → Option<serialized slot bytes>. None means “slot allocated but empty”.

pending_async: HashMap<u64, PendingAsyncSnapshot>

Suspended Ops awaiting CommandId completion.

execution_state: HashMap<u64, ExecutionStateSnapshot>

Per-execution liveness state.

framework: FrameworkSnapshot

Framework-primitive state (counters, backoff_table, inbound_dedup, etc.) snapshotted at quiesce. Per ENGINE.md §15.1 line 1402.

bus: TypedBusSnapshot

Typed-bus state - subscription table + any queued events that survive the cycle boundary. Per ENGINE.md §15.1 line 1403.

ingress: Vec<IngressEventSnapshot>

In-flight ingress events.

wire_states: HashMap<u32, Vec<u8>>

Per-component wire-state. Currently empty; macro populates as components grow per-wire state.

pending_completions: Vec<PendingCompletionSnapshot>

Mid-cycle pending completions surfaced by ProtocolRuntime hooks via ctx.complete_command(...). Phase 5 drains these post-dispatch per ENGINE.md §15.1 line 1406.

Trait Implementations

impl Clone for TransientSnapshot

fn clone(&self) -> TransientSnapshot

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TransientSnapshot

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TransientSnapshot

fn default() -> TransientSnapshot

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for TransientSnapshot

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for TransientSnapshot

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.