Struct EngineEvent 

pub struct EngineEvent {

    pub schema_version: u16,
    pub run_id: Uuid,
    pub seq: u64,
    pub ts_utc: DateTime<Utc>,
    pub mono_ns: u64,
    pub event_id: Uuid,
    pub correlation_id: Option<Uuid>,
    pub strategy_id: Option<String>,
    pub venue_id: Option<VenueId>,
    pub instrument_id: Option<InstrumentId>,
    pub payload: Payload,
    pub prev_record_hash: Option<String>,
    pub record_hash: Option<String>,
}

Event envelope wrapping every journaled record (JOURNAL_SPEC §5).

Fields

schema_version: u16

Schema version (defaults to SCHEMA_VERSION when omitted).

run_id: Uuid

Run identifier.

seq: u64

Monotonic, gap-free sequence number starting at 1.

ts_utc: DateTime<Utc>

Wall-clock timestamp in UTC (observability only).

mono_ns: u64

Monotonic nanoseconds since run start (ordering + latency).

event_id: Uuid

Unique identifier for this record.

correlation_id: Option<Uuid>

Correlates event chains (intent → risk → exec → fill). Nullable.

strategy_id: Option<String>

Originating strategy name/id. Nullable.

venue_id: Option<VenueId>

Venue identifier. Nullable.

instrument_id: Option<InstrumentId>

Instrument identifier. Nullable.

payload: Payload

Event-type-specific payload.

prev_record_hash: Option<String>

Hash of the previous record (JOURNAL_SPEC §10 — reserved, not yet populated).

record_hash: Option<String>

Hash of this record (JOURNAL_SPEC §10 — reserved, not yet populated).

Trait Implementations

impl Clone for EngineEvent

fn clone(&self) -> EngineEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EngineEvent

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for EngineEvent

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for EngineEvent

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

where __S: Serializer,

Serialize this value into the given Serde serializer.