burst-whale-watch/out/collectors/poloniex.collector.js

An account watcher for Burstcoin

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const collector_1 = require("./collector");
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const http_1 = require("@burstjs/http");
const constants_1 = require("../constants");
const fetchTicker = (httpClient) => __awaiter(void 0, void 0, void 0, function* () { return yield httpClient.get('/public?command=returnTicker'); });
const relevantCurrencyPairs = (data) => {
    const { BTC_BURST, USDT_BTC } = data.response;
    return {
        BTC_BURST,
        USDT_BTC
    };
};
class PoloniexCollector extends collector_1.Collector {
    constructor(store) {
        super(store);
        this.http = new http_1.HttpImpl('https://poloniex.com');
    }
    subscribeTicker() {
        this.subscription = rxjs_1.interval(constants_1.EXCHANGE_POLLING_SEC * 1000)
            .pipe(operators_1.startWith(0), operators_1.mergeMap(() => fetchTicker(this.http)), operators_1.map(relevantCurrencyPairs)).subscribe((data) => {
            this.update('exchange', Object.assign(Object.assign({}, data), { isLoading: false }));
        });
    }
    unsubscribeTicker() {
        if (this.subscription)
            this.subscription.unsubscribe();
    }
    onStart() {
        this.subscribeTicker();
    }
    onStop() {
        this.unsubscribeTicker();
    }
}
exports.PoloniexCollector = PoloniexCollector;
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