28 lines
582 B
TypeScript
28 lines
582 B
TypeScript
/**
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* Pricecaster Service.
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*
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* Fetcher backend component.
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*
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* (c) 2021 Randlabs, Inc.
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*/
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import { PriceTicker } from '../common/priceTicker'
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import { IStrategy } from '../strategy/strategy'
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export interface IPriceFetcher {
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start(): void
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stop(): void
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hasData(): boolean
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/**
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* Set price aggregation strategy for this fetcher.
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* @param IStrategy The local price aggregation strategy
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*/
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setStrategy(s: IStrategy): void
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/**
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* Get the current price, according to running strategy.
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*/
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queryTicker(): PriceTicker | undefined
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}
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