tlab-trading-toolkit
Version:
A trading toolkit for building advanced trading bots on the GDAX platform
67 lines (66 loc) • 3.37 kB
TypeScript
/***************************************************************************************************************************
* @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. *
***************************************************************************************************************************/
import { BookBuilder } from '../lib/BookBuilder';
import { BigJS } from '../lib/types';
/**
* A generic API interface that defines the standard REST features that any crypto exchange typically exposes
*
* This interface does not define any behaviour related to maintaining a live orderbook, typically synchronized with a
* websocket feed. Look at #LiveBook for an interface that handles this behaviour.
*
* This interface should typically not require authentication credentials; information such as ticker price and the
* orderbook snapshots are usually available over a public API.
*
*/
export interface PublicExchangeAPI {
readonly owner: string;
/**
* Load the list of supported products on this exchange
*/
loadProducts(): Promise<Product[]>;
/**
* Load the mid-market price from the exchange's ticker
*/
loadMidMarketPrice(gdaxProduct: string): Promise<BigJS>;
/**
* Load the order book from the REST API and return an aggregated book as a #{../core/BookBuilder} object
*/
loadOrderbook(gdaxProduct: string): Promise<BookBuilder>;
/**
* Load the ticker for the configured product from the REST API
*/
loadTicker(gdaxProduct: string): Promise<Ticker>;
}
/**
* The interface for the book ticker. The standard GDAX api is employed. See (https://docs.gdax.com/#get-product-ticker)
*/
export interface Ticker {
productId: string;
price: BigJS;
bid: BigJS;
ask: BigJS;
side?: string;
volume?: BigJS;
time: Date;
trade_id?: string;
size?: BigJS;
}
export interface Product {
id: string;
baseCurrency: string;
quoteCurrency: string;
baseMinSize: BigJS;
baseMaxSize: BigJS;
quoteIncrement: BigJS;
}