betfair-node/dist/betfair-stream-decoder.d.ts

A comprehensive Node.js TypeScript library for the Betfair Exchange API, providing both JSON-RPC API integration and real-time Exchange Stream API support for automated betting and trading applications.

import { ConnectionMessage, CurrencyRate, MarketCache, MarketChangeMessage, StatusMessage, OrderChangeMessage, OrderAccountCache } from './betfair-exchange-stream-api-types';
export interface StreamDecoderState {
    marketCache: {
        [key: string]: MarketCache;
    };
    orderCache: {
        [key: string]: OrderAccountCache;
    };
    currencyRate: CurrencyRate;
    deltas: string[];
    orderDeltas: string[];
    subscribedMarkets: string[];
    segmentBuffer: {
        marketSegments: {
            [requestId: string]: Partial<MarketChangeMessage>[];
        };
        orderSegments: {
            [requestId: string]: Partial<OrderChangeMessage>[];
        };
    };
}
export interface StreamDecoderCallbacks {
    onMarketChange: (marketCache: {
        [key: string]: MarketCache;
    }, deltas: string[]) => void;
    onOrderChange?: (orderCache: {
        [key: string]: OrderAccountCache;
    }, deltas: string[]) => void;
    onStatus: (statusMessage: StatusMessage) => void;
    onConnection: (connectionMessage: ConnectionMessage) => void;
    onHeartbeat: () => void;
}
/**
 * Creates initial stream decoder state
 */
export declare const createStreamDecoderState: (currencyRate: CurrencyRate, subscribedMarkets?: string[]) => StreamDecoderState;
/**
 * Processes received data packet
 */
export declare const processDataPacket: (state: StreamDecoderState, callbacks: StreamDecoderCallbacks, packet: string) => StreamDecoderState;
/**
 * Clears the market cache
 */
export declare const clearMarketCache: (state: StreamDecoderState) => StreamDecoderState;
/**
 * Updates the currency rate
 */
export declare const updateCurrencyRate: (state: StreamDecoderState, currencyRate: CurrencyRate) => StreamDecoderState;
/**
 * Updates subscribed markets
 */
export declare const updateSubscribedMarkets: (state: StreamDecoderState, markets: string[]) => StreamDecoderState;
/**
 * Gets the current market cache
 */
export declare const getMarketCache: (state: StreamDecoderState) => {
    [key: string]: MarketCache;
};
/**
 * Resets the stream decoder state
 */
export declare const resetStreamDecoder: (state: StreamDecoderState) => StreamDecoderState;
/**
 * Gets the current order cache
 */
export declare const getOrderCache: (state: StreamDecoderState) => {
    [key: string]: OrderAccountCache;
};
/**
 * Clears the order cache
 */
export declare const clearOrderCache: (state: StreamDecoderState) => StreamDecoderState;
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