Module engine_messages 

Engine message types for the event bus.

All types that flow through the EngineMessage enum, plus serialization helpers.

Structs

HyperLiquidBuilder

HyperLiquidOrder

HyperLiquidOrderAction

HyperLiquidTif

HyperLiquidTrigger

LiquidationStateMessage

Liquidation state change message.

MarketActionMessage

MmpTriggeredMessage

OrderActionMessage

OrderInfoMessage

RfqFillLeg

RFQ fill leg details.

RfqFillMessage

RFQ fill event emitted after successful RFQ execution.

SignedDirectiveTx

StoredFillEvent 🔒

TierUpdateMessage

Margin mode update message for cross-process cache synchronization.

TransactionRequest

TransactionUpdate

Enums

EngineMessage

HyperLiquidOrderType

LiquidationStateType

Liquidation state type for messages.

MarketAction

Market action (create, delete, or expire).

TransactionStatus

Transaction status for on-chain transactions.

TransactionType

Constants

WIRE_FORMAT_VERSION

Current engine event wire format version. Version 1 = MessagePack with named fields (rmp-serde to_vec_named).

Functions

serialize_to_wire_bytes

Serialize any value to wire-format bytes: [version byte][msgpack payload]. Uses the same format as EngineMessage::serialize_inner and engine_events.