Class PersistSignalInstance

Default file-based implementation of IPersistSignalInstance.

Features:

  • Wraps PersistBase for atomic JSON writes
  • Uses symbol as entity ID within a per-context PersistBase
  • Crash-safe via atomic writes

Example

const instance = new PersistSignalInstance("BTCUSDT", "my-strategy", "binance");
await instance.waitForInit(true);
await instance.writeSignalData(signalRow);
const restored = await instance.readSignalData();

Implements

Constructors

constructor

Properties

exchangeName strategyName symbol

Methods

readSignalData waitForInit writeSignalData

Constructors

constructor

  • new PersistSignalInstance(
        symbol: string,
        strategyName: string,
        exchangeName: string,
    ): PersistSignalInstance

    Creates new signal persistence instance.

    Parameters

    • symbol: string

      Trading pair symbol

    • strategyName: string

      Strategy identifier

    • exchangeName: string

      Exchange identifier

    Returns PersistSignalInstance

Properties

ReadonlyexchangeName

exchangeName: string

ReadonlystrategyName

strategyName: string

Readonlysymbol

symbol: string

Methods

readSignalData

waitForInit

  • waitForInit(initial: boolean): Promise<void>

    Initializes the underlying PersistBase storage. Delegates to PersistBase.waitForInit which uses singleshot.

    Parameters

    • initial: boolean

      Whether this is the first initialization

    Returns Promise<void>

    Promise that resolves when initialization is complete

writeSignalData

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