tardis-dev/dist/realtimefeeds/woox.js

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

import { wait } from "../handy.js";
import { RealTimeFeedBase } from "./realtimefeed.js";
export class WooxRealTimeFeed extends RealTimeFeedBase {
    wssURL = 'wss://wss.woo.org/ws/stream/OqdphuyCtYWxwzhxyLLjOWNdFP7sQt8RPWzmb5xY';
    mapToSubscribeMessages(filters) {
        return filters
            .filter((filter) => filter.channel !== 'orderbook')
            .map((filter) => {
            if (!filter.symbols || filter.symbols.length === 0) {
                throw new Error('WooxRealTimeFeed requires explicitly specified symbols when subscribing to live feed');
            }
            return filter.symbols.map((symbol) => {
                return {
                    id: `${symbol}@${filter.channel}`,
                    topic: `${symbol}@${filter.channel}`,
                    event: 'subscribe'
                };
            });
        })
            .flatMap((f) => f);
    }
    async provideManualSnapshots(filters, shouldCancel) {
        const orderbookFilter = filters.find((f) => f.channel === 'orderbook');
        if (!orderbookFilter) {
            return;
        }
        await wait(200);
        for (let symbol of orderbookFilter.symbols) {
            if (shouldCancel()) {
                return;
            }
            this.send({
                id: `${symbol}@orderbook`,
                event: 'request',
                params: {
                    type: 'orderbook',
                    symbol
                }
            });
            await wait(1);
        }
        this.debug('sent orderbook requests for: %s', orderbookFilter.symbols);
    }
    messageIsError(message) {
        return message.success === false || message.errorMsg !== undefined;
    }
    messageIsHeartbeat(message) {
        return message.event === 'ping';
    }
    onMessage(msg) {
        if (msg.event === 'ping') {
            this.send({
                event: 'ping'
            });
        }
    }
}
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