472 lines
17 KiB
JavaScript
472 lines
17 KiB
JavaScript
'use strict';
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// ---------------------------------------------------------------------------
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const Exchange = require ('./base/Exchange');
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const { ExchangeError, AuthenticationError, DDoSProtection, InvalidOrder, InsufficientFunds } = require ('./base/errors');
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// ---------------------------------------------------------------------------
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module.exports = class btcalpha extends Exchange {
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describe () {
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return this.deepExtend (super.describe (), {
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'id': 'btcalpha',
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'name': 'BTC-Alpha',
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'countries': [ 'US' ],
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'version': 'v1',
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'has': {
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'fetchTicker': false,
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'fetchOHLCV': true,
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'fetchOrders': true,
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'fetchOpenOrders': true,
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'fetchClosedOrders': true,
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'fetchMyTrades': true,
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},
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'timeframes': {
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'1m': '1',
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'5m': '5',
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'15m': '15',
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'30m': '30',
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'1h': '60',
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'4h': '240',
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'1d': 'D',
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},
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'urls': {
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'logo': 'https://user-images.githubusercontent.com/1294454/42625213-dabaa5da-85cf-11e8-8f99-aa8f8f7699f0.jpg',
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'api': 'https://btc-alpha.com/api',
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'www': 'https://btc-alpha.com',
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'doc': 'https://btc-alpha.github.io/api-docs',
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'fees': 'https://btc-alpha.com/fees/',
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'referral': 'https://btc-alpha.com/?r=123788',
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},
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'api': {
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'public': {
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'get': [
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'currencies/',
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'pairs/',
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'orderbook/{pair_name}/',
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'exchanges/',
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'charts/{pair}/{type}/chart/',
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],
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},
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'private': {
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'get': [
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'wallets/',
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'orders/own/',
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'order/{id}/',
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'exchanges/own/',
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'deposits/',
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'withdraws/',
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],
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'post': [
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'order/',
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'order-cancel/',
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],
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},
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},
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'fees': {
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'trading': {
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'maker': 0.2 / 100,
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'taker': 0.2 / 100,
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},
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'funding': {
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'withdraw': {
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'BTC': 0.00135,
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'LTC': 0.0035,
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'XMR': 0.018,
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'ZEC': 0.002,
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'ETH': 0.01,
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'ETC': 0.01,
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'SIB': 1.5,
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'CCRB': 4,
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'PZM': 0.05,
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'ITI': 0.05,
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'DCY': 5,
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'R': 5,
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'ATB': 0.05,
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'BRIA': 0.05,
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'KZC': 0.05,
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'HWC': 1,
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'SPA': 1,
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'SMS': 0.001,
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'REC': 0.01,
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'SUP': 1,
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'BQ': 100,
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'GDS': 0.1,
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'EVN': 300,
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'TRKC': 0.01,
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'UNI': 1,
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'STN': 1,
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'BCH': undefined,
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'QBIC': 0.5,
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},
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},
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},
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'commonCurrencies': {
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'CBC': 'Cashbery',
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},
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'exceptions': {
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'exact': {},
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'broad': {
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'Out of balance': InsufficientFunds, // {"date":1570599531.4814300537,"error":"Out of balance -9.99243661 BTC"}
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},
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},
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});
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}
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async fetchMarkets (params = {}) {
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const response = await this.publicGetPairs (params);
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const result = [];
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for (let i = 0; i < response.length; i++) {
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const market = response[i];
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const id = this.safeString (market, 'name');
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const baseId = this.safeString (market, 'currency1');
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const quoteId = this.safeString (market, 'currency2');
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const base = this.safeCurrencyCode (baseId);
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const quote = this.safeCurrencyCode (quoteId);
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const symbol = base + '/' + quote;
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const precision = {
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'amount': 8,
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'price': this.safeInteger (market, 'price_precision'),
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};
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result.push ({
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'id': id,
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'symbol': symbol,
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'base': base,
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'quote': quote,
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'active': true,
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'precision': precision,
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'limits': {
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'amount': {
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'min': this.safeFloat (market, 'minimum_order_size'),
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'max': this.safeFloat (market, 'maximum_order_size'),
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},
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'price': {
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'min': Math.pow (10, -precision['price']),
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'max': Math.pow (10, precision['price']),
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},
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'cost': {
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'min': undefined,
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'max': undefined,
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},
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},
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'info': market,
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});
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}
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return result;
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}
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async fetchOrderBook (symbol, limit = undefined, params = {}) {
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await this.loadMarkets ();
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const request = {
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'pair_name': this.marketId (symbol),
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};
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if (limit) {
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request['limit_sell'] = limit;
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request['limit_buy'] = limit;
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}
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const response = await this.publicGetOrderbookPairName (this.extend (request, params));
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return this.parseOrderBook (response, undefined, 'buy', 'sell', 'price', 'amount');
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}
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parseBidsAsks (bidasks, priceKey = 0, amountKey = 1) {
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const result = [];
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for (let i = 0; i < bidasks.length; i++) {
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const bidask = bidasks[i];
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if (bidask) {
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result.push (this.parseBidAsk (bidask, priceKey, amountKey));
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}
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}
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return result;
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}
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parseTrade (trade, market = undefined) {
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let symbol = undefined;
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if (market === undefined) {
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market = this.safeValue (this.marketsById, trade['pair']);
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}
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if (market !== undefined) {
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symbol = market['symbol'];
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}
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const timestamp = this.safeTimestamp (trade, 'timestamp');
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const price = this.safeFloat (trade, 'price');
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const amount = this.safeFloat (trade, 'amount');
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let cost = undefined;
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if (price !== undefined) {
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if (amount !== undefined) {
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cost = parseFloat (this.costToPrecision (symbol, price * amount));
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}
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}
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const id = this.safeString2 (trade, 'id', 'tid');
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const side = this.safeString2 (trade, 'my_side', 'side');
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const orderId = this.safeString (trade, 'o_id');
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return {
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'id': id,
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'info': trade,
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'symbol': symbol,
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'order': orderId,
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'type': 'limit',
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'side': side,
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'takerOrMaker': undefined,
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'price': price,
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'amount': amount,
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'cost': cost,
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'fee': undefined,
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};
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}
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async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
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await this.loadMarkets ();
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let market = undefined;
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const request = {};
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if (symbol !== undefined) {
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market = this.market (symbol);
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request['pair'] = market['id'];
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}
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if (limit !== undefined) {
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request['limit'] = limit;
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}
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const trades = await this.publicGetExchanges (this.extend (request, params));
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return this.parseTrades (trades, market, since, limit);
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}
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parseOHLCV (ohlcv, market = undefined, timeframe = '5m', since = undefined, limit = undefined) {
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return [
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this.safeTimestamp (ohlcv, 'time'),
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this.safeFloat (ohlcv, 'open'),
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this.safeFloat (ohlcv, 'high'),
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this.safeFloat (ohlcv, 'low'),
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this.safeFloat (ohlcv, 'close'),
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this.safeFloat (ohlcv, 'volume'),
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];
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}
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async fetchOHLCV (symbol, timeframe = '5m', since = undefined, limit = undefined, params = {}) {
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await this.loadMarkets ();
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const market = this.market (symbol);
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const request = {
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'pair': market['id'],
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'type': this.timeframes[timeframe],
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};
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if (limit !== undefined) {
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request['limit'] = limit;
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}
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if (since !== undefined) {
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request['since'] = parseInt (since / 1000);
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}
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const response = await this.publicGetChartsPairTypeChart (this.extend (request, params));
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return this.parseOHLCVs (response, market, timeframe, since, limit);
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}
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async fetchBalance (params = {}) {
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await this.loadMarkets ();
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const response = await this.privateGetWallets (params);
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const result = { 'info': response };
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for (let i = 0; i < response.length; i++) {
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const balance = response[i];
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const currencyId = this.safeString (balance, 'currency');
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const code = this.safeCurrencyCode (currencyId);
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const account = this.account ();
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account['used'] = this.safeFloat (balance, 'reserve');
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account['total'] = this.safeFloat (balance, 'balance');
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result[code] = account;
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}
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return this.parseBalance (result);
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}
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parseOrderStatus (status) {
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const statuses = {
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'1': 'open',
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'2': 'canceled',
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'3': 'closed',
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};
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return this.safeString (statuses, status, status);
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}
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parseOrder (order, market = undefined) {
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let symbol = undefined;
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if (market === undefined) {
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market = this.safeValue (this.marketsById, order['pair']);
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}
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if (market !== undefined) {
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symbol = market['symbol'];
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}
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const timestamp = this.safeTimestamp (order, 'date');
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const price = this.safeFloat (order, 'price');
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const amount = this.safeFloat (order, 'amount');
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const status = this.parseOrderStatus (this.safeString (order, 'status'));
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const id = this.safeString2 (order, 'oid', 'id');
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let trades = this.safeValue (order, 'trades', []);
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trades = this.parseTrades (trades, market);
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const side = this.safeString2 (order, 'my_side', 'type');
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let filled = undefined;
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const numTrades = trades.length;
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if (numTrades > 0) {
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filled = 0.0;
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for (let i = 0; i < numTrades; i++) {
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filled = this.sum (filled, trades[i]['amount']);
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}
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}
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let remaining = undefined;
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if ((amount !== undefined) && (amount > 0) && (filled !== undefined)) {
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remaining = Math.max (0, amount - filled);
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}
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return {
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'id': id,
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'datetime': this.iso8601 (timestamp),
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'timestamp': timestamp,
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'status': status,
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'symbol': symbol,
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'type': 'limit',
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'side': side,
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'price': price,
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'cost': undefined,
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'amount': amount,
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'filled': filled,
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'remaining': remaining,
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'trades': trades,
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'fee': undefined,
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'info': order,
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};
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}
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async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
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await this.loadMarkets ();
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const market = this.market (symbol);
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const request = {
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'pair': market['id'],
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'type': side,
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'amount': amount,
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'price': this.priceToPrecision (symbol, price),
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};
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const response = await this.privatePostOrder (this.extend (request, params));
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if (!response['success']) {
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throw new InvalidOrder (this.id + ' ' + this.json (response));
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}
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const order = this.parseOrder (response, market);
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amount = (order['amount'] > 0) ? order['amount'] : amount;
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return this.extend (order, {
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'amount': amount,
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});
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}
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async cancelOrder (id, symbol = undefined, params = {}) {
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const request = {
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'order': id,
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};
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const response = await this.privatePostOrderCancel (this.extend (request, params));
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return response;
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}
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async fetchOrder (id, symbol = undefined, params = {}) {
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await this.loadMarkets ();
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const request = {
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'id': id,
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};
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const order = await this.privateGetOrderId (this.extend (request, params));
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return this.parseOrder (order);
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}
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async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
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await this.loadMarkets ();
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const request = {};
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let market = undefined;
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if (symbol !== undefined) {
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market = this.market (symbol);
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request['pair'] = market['id'];
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}
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if (limit !== undefined) {
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request['limit'] = limit;
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}
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const orders = await this.privateGetOrdersOwn (this.extend (request, params));
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return this.parseOrders (orders, market, since, limit);
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}
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async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
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const request = {
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'status': '1',
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};
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return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
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}
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async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
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const request = {
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'status': '3',
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};
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return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
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}
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async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
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await this.loadMarkets ();
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const request = {};
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if (symbol !== undefined) {
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const market = this.market (symbol);
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request['pair'] = market['id'];
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}
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if (limit !== undefined) {
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request['limit'] = limit;
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}
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const trades = await this.privateGetExchangesOwn (this.extend (request, params));
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return this.parseTrades (trades, undefined, since, limit);
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}
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nonce () {
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return this.milliseconds ();
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}
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sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
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const query = this.urlencode (this.keysort (this.omit (params, this.extractParams (path))));
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let url = this.urls['api'] + '/';
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if (path !== 'charts/{pair}/{type}/chart/') {
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url += 'v1/';
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}
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url += this.implodeParams (path, params);
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headers = { 'Accept': 'application/json' };
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if (api === 'public') {
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if (query.length) {
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url += '?' + query;
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}
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} else {
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this.checkRequiredCredentials ();
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let payload = this.apiKey;
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if (method === 'POST') {
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headers['Content-Type'] = 'application/x-www-form-urlencoded';
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body = query;
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payload += body;
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} else if (query.length) {
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url += '?' + query;
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}
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headers['X-KEY'] = this.apiKey;
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headers['X-SIGN'] = this.hmac (this.encode (payload), this.encode (this.secret));
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headers['X-NONCE'] = this.nonce ().toString ();
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}
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return { 'url': url, 'method': method, 'body': body, 'headers': headers };
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}
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handleErrors (code, reason, url, method, headers, body, response, requestHeaders, requestBody) {
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if (response === undefined) {
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return; // fallback to default error handler
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}
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//
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// {"date":1570599531.4814300537,"error":"Out of balance -9.99243661 BTC"}
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//
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const error = this.safeString (response, 'error');
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const feedback = this.id + ' ' + body;
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if (error !== undefined) {
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this.throwExactlyMatchedException (this.exceptions['exact'], error, feedback);
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this.throwBroadlyMatchedException (this.exceptions['broad'], error, feedback);
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}
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if (code === 401 || code === 403) {
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throw new AuthenticationError (feedback);
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} else if (code === 429) {
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throw new DDoSProtection (feedback);
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}
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if (code < 400) {
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return;
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}
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throw new ExchangeError (feedback);
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}
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};
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