tardis-dev/dist/realtimefeeds/upbit.js

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

import { RealTimeFeedBase } from "./realtimefeed.js";
export class UpbitRealTimeFeed extends RealTimeFeedBase {
    wssURL = 'wss://api.upbit.com/websocket/v1';
    mapToSubscribeMessages(filters) {
        const subs = filters.map((filter) => {
            if (!filter.symbols || filter.symbols.length === 0) {
                throw new Error('UpbitRealTimeFeed requires explicitly specified symbols when subscribing to live feed');
            }
            return {
                type: filter.channel,
                codes: filter.symbols,
                isOnlyRealtime: true
            };
        });
        const payload = [
            [
                {
                    ticket: new Date().valueOf().toString()
                },
                ...subs
            ]
        ];
        return payload;
    }
    messageIsError(message) {
        return message.type === 'error';
    }
}
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