tardis-dev/dist/realtimefeeds/dydx_v4.js

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

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DydxV4RealTimeFeed = void 0;
const realtimefeed_1 = require("./realtimefeed");
class DydxV4RealTimeFeed extends realtimefeed_1.RealTimeFeedBase {
    constructor() {
        super(...arguments);
        this.wssURL = 'wss://indexer.dydx.trade/v4/ws';
    }
    mapToSubscribeMessages(filters) {
        const subs = filters
            .map((filter) => {
            if (filter.channel === 'v4_markets') {
                return [
                    {
                        type: 'subscribe',
                        channel: 'v4_markets'
                    }
                ];
            }
            if (!filter.symbols || filter.symbols.length === 0) {
                throw new Error('DydxV4RealTimeFeed requires explicitly specified symbols when subscribing to live feed');
            }
            return filter.symbols.map((symbol) => {
                return {
                    type: 'subscribe',
                    channel: filter.channel,
                    id: symbol
                };
            });
        })
            .flatMap((f) => f);
        return subs;
    }
    messageIsError(message) {
        return message.type === 'error';
    }
}
exports.DydxV4RealTimeFeed = DydxV4RealTimeFeed;
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