tardis-dev/dist/realtimefeeds/gateio.js

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

import { RealTimeFeedBase } from "./realtimefeed.js";
export class GateIORealTimeFeed extends RealTimeFeedBase {
    wssURL = 'wss://api.gateio.ws/ws/v4/';
    httpURL = 'https://api.gateio.ws/api/v4';
    mapToSubscribeMessages(filters) {
        const payload = filters.map((filter) => {
            if (!filter.symbols || filter.symbols.length === 0) {
                throw new Error('GateIORealTimeFeed requires explicitly specified symbols when subscribing to live feed');
            }
            if (filter.channel === 'obu') {
                return filter.symbols.map((symbol) => {
                    return {
                        time: new Date().valueOf(),
                        channel: `spot.${filter.channel}`,
                        event: 'subscribe',
                        payload: [`ob.${symbol}.400`]
                    };
                });
            }
            else {
                return filter.symbols.map((symbol) => {
                    return {
                        time: new Date().valueOf(),
                        channel: `spot.${filter.channel}`,
                        event: 'subscribe',
                        method: `${filter.channel}.subscribe`,
                        payload: [symbol]
                    };
                });
            }
        });
        return payload.flatMap((f) => f);
    }
    messageIsError(message) {
        if (message.error !== null && message.error !== undefined) {
            return true;
        }
        return false;
    }
}
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