burst-whale-watch
Version:
An account watcher for Burstcoin
49 lines • 2.15 kB
JavaScript
;
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('v1/ticker/burst'); });
const relevantTickerInfo = (data) => {
const { price_usd, price_btc, percent_change_24h } = data.response[0];
return {
price_usd,
price_btc,
percent_change_24h
};
};
class CmcCollector extends collector_1.Collector {
constructor(store) {
super(store);
this.http = new http_1.HttpImpl('https://api.coinmarketcap.com');
}
subscribeTicker() {
this.subscription = rxjs_1.interval(constants_1.CMC_POLLING_SEC * 1000)
.pipe(operators_1.startWith(0), operators_1.mergeMap(() => fetchTicker(this.http)), operators_1.map(relevantTickerInfo)).subscribe((data) => {
this.update('market', Object.assign(Object.assign({}, data), { isLoading: false }));
});
}
unsubscribeTicker() {
if (this.subscription)
this.subscription.unsubscribe();
}
onStart() {
this.subscribeTicker();
}
onStop() {
this.unsubscribeTicker();
}
}
exports.CmcCollector = CmcCollector;
//# sourceMappingURL=cmc.collector.js.map