PersistRecentInstance

Implements IPersistRecentInstance

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

Constructor

constructor(symbol: string, strategyName: string, exchangeName: string, frameName: string, backtest: boolean);
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Properties

symbol

symbol: string
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strategyName

strategyName: string
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exchangeName

exchangeName: string
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frameName

frameName: string
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backtest

backtest: boolean
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_storage

_storage: any
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Underlying file-based storage scoped to this context

Methods

waitForInit

waitForInit(initial: boolean): Promise<void>;
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Initializes the underlying PersistBase storage.

readRecentData

readRecentData(): Promise<IPublicSignalRow | null>;
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Reads the persisted recent signal using symbol as the entity key.

writeRecentData

writeRecentData(signalRow: IPublicSignalRow, _when: Date): Promise<void>;
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Writes the recent signal using symbol as the entity key.