tlab-trading-toolkit
Version:
A trading toolkit for building advanced trading bots on the GDAX platform
36 lines (35 loc) • 2.39 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/***************************************************************************************************************************
* @license *
* Copyright 2017 Coinbase, Inc. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on *
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the *
* License for the specific language governing permissions and limitations under the License. *
***************************************************************************************************************************/
const StreamCopier_1 = require("../lib/StreamCopier");
class ProductSplitter extends StreamCopier_1.StreamCopier {
constructor(feed, productIds) {
const numProducts = productIds.length;
super(feed, numProducts + 1);
this.products = productIds;
this.init();
}
init() {
this.products.forEach((product) => {
this.attach(product);
this.addFilter(product, (msg) => {
return msg && msg.productId && msg.productId === product;
});
});
// Add a raw feed channel for other filters to connect to
this.attach('raw');
}
}
exports.ProductSplitter = ProductSplitter;