tardis-dev/dist/realtimefeeds/hyperliquid.js

Convenient access to tick-level historical and real-time cryptocurrency market data via Node.js

import { RealTimeFeedBase } from "./realtimefeed.js";
export class HyperliquidRealTimeFeed extends RealTimeFeedBase {
    wssURL = 'wss://api.hyperliquid.xyz/ws';
    mapToSubscribeMessages(filters) {
        return filters
            .map((filter) => {
            if (!filter.symbols || filter.symbols.length === 0) {
                throw new Error('HyperliquidRealTimeFeed requires explicitly specified symbols when subscribing to live feed');
            }
            return filter.symbols.map((symbol) => {
                return {
                    method: 'subscribe',
                    subscription: {
                        coin: symbol,
                        type: filter.channel
                    }
                };
            });
        })
            .flatMap((f) => f);
    }
    messageIsError(message) {
        return message.channel === 'error';
    }
    messageIsHeartbeat(message) {
        return message.channel === 'pong';
    }
    sendCustomPing = () => {
        this.send({ method: 'ping' });
    };
}
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