44 lines
839 B
TypeScript
44 lines
839 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 '../PriceTicker'
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/**
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* Implements a strategy for obtaining an asset price from
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* a set of received prices in a buffer.
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*/
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export interface IStrategy {
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/**
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*
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* @param size The size of the buffer
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*/
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createBuffer(size: number): void
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/**
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* Clear price buffer
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*/
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clearBuffer(): void
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/**
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* Returns the current number of items in buffer
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*/
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bufferCount(): number
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/**
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* Put a new price in buffer.
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* @param priceData The price data to put
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* @returns true if successful.
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*/
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put(ticker: PriceTicker): boolean
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/**
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* Get the calculated price according to selected strategy.
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*/
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getPrice(): PriceTicker | undefined
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}
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