Type Alias SelectedExchangesStore

Provides client-definited exchange selection for realtime calculations.

type SelectedExchangesStore = {
    subscribeItem(
        instrumentId: string,
        instrument: Instrument,
        cb: Nodeback<string>,
    ): ObservableSubscription;
}

Index

Methods

Methods

subscribeItem

subscribeItem(
    instrumentId: string,
    instrument: Instrument,
    cb: Nodeback<string>,
): ObservableSubscription
Subscribe the exchange id to use for calculations for the given instrument. Note that realtime calculators will wait for this subscription to call back (it is allowed to just call cb(null, null) if the user has no preference).
Parameters
- instrumentId: string
  id of the instrument
- instrument: Instrument
  the instrument, if it can be loaded
- cb: Nodeback<string>
  nodeback that is called like cb(null, <exchangeId>)
Returns ObservableSubscription