Class PersistRecentInstance

Default file-based implementation of IPersistRecentInstance.

Features:

  • Wraps PersistBase for atomic JSON writes
  • Uses symbol as entity ID within a per-context PersistBase
  • Context key includes backtest/live mode and optional frameName

Example

const instance = new PersistRecentInstance("BTCUSDT", "my-strategy", "binance", "frame-1", false);
await instance.waitForInit(true);
await instance.writeRecentData(publicSignalRow);
const recent = await instance.readRecentData();

Implements

Constructors

constructor

Properties

backtest exchangeName frameName strategyName symbol

Methods

readRecentData waitForInit writeRecentData

Constructors

constructor

  • new PersistRecentInstance(
        symbol: string,
        strategyName: string,
        exchangeName: string,
        frameName: string,
        backtest: boolean,
    ): PersistRecentInstance

    Creates new recent signal persistence instance.

    Parameters

    • symbol: string

      Trading pair symbol

    • strategyName: string

      Strategy identifier

    • exchangeName: string

      Exchange identifier

    • frameName: string

      Frame identifier (may be empty for live mode)

    • backtest: boolean

      True for backtest mode, false for live mode

    Returns PersistRecentInstance

Properties

Readonlybacktest

backtest: boolean

ReadonlyexchangeName

exchangeName: string

ReadonlyframeName

frameName: string

ReadonlystrategyName

strategyName: string

Readonlysymbol

symbol: string

Methods

readRecentData

waitForInit

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

    Initializes the underlying PersistBase storage.

    Parameters

    • initial: boolean

      Whether this is the first initialization

    Returns Promise<void>

    Promise that resolves when initialization is complete

writeRecentData

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