92 lines
2.0 KiB
JavaScript
92 lines
2.0 KiB
JavaScript
const moment = require('moment');
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const util = require('../../core/util');
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const log = require('../../core/log');
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const _ = require('lodash');
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const retry = require('../../exchange/exchangeUtils').retry;
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const config = util.getConfig();
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const dirs = util.dirs();
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const Fetcher = require(dirs.exchanges + 'therocktrading');
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Fetcher.prototype.getTrades = function(since, to, page, callback, descending) {
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const handle = (err, data) => {
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if (err) return callback(err);
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var trades = [];
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if (_.isArray(data.trades)) {
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trades = _.map(data.trades, function(trade) {
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return {
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tid: trade.id,
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price: trade.price,
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amount: trade.amount,
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date: moment.utc(trade.date).format('X')
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};
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});
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}
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callback(null, descending ? trades : trades.reverse());
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};
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if (moment.isMoment(since)) since = since.format();
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if (moment.isMoment(to)) to = to.format();
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let options = {
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before: to,
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after: since,
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page: page,
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order: "ASC",
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per_page: 200
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}
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const fetch = cb => this.therocktrading.trades(this.pair, options, this.processResponse('getTrades', cb));
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retry(null, fetch, handle);
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};
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util.makeEventEmitter(Fetcher);
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var end = false;
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var done = false;
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var from = false;
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var page = 1;
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var fetcher = new Fetcher(config.watch);
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var fetch = () => {
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fetcher.import = true;
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log.debug("IMPORTER: starting fetcher")
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fetcher.getTrades(from, end, page, handleFetch);
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}
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var handleFetch = (err, trades) => {
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if(!err && !trades.length) {
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console.log('no more trades');
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fetcher.emit('done');
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}
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if (err) {
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log.error(`There was an error importing from TheRockTrading ${err}`);
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fetcher.emit('done');
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return fetcher.emit('trades', []);
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}
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if (trades.length > 0) {
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page = page + 1;
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}
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fetcher.emit('trades', trades);
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}
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module.exports = function (daterange) {
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from = daterange.from.clone();
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end = daterange.to.clone();
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return {
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bus: fetcher,
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fetch: fetch
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}
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}
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