data_service

DataService: loads a simulation from a zip archive.

Classes:

• DataService –

  Loads simulation state (Bank + MarketDataStore) from a zip archive.

DataService

DataService(
    instrument_registry: InstrumentRegistry | None = None,
)

Loads simulation state (Bank + MarketDataStore) from a zip archive.

Methods:

• load_and_initialize –

  Populate stores from loader and post opening balances.

load_and_initialize

load_and_initialize(
    loader: Loader, simulation_service: SimulationService
) -> None

Populate stores from loader and post opening balances.

The loaded zip must include balances.json with pre-computed ledger balances (produced by :class:SimulationBuilder). A single Opening Balance journal entry is posted to establish the ledger state.