@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
345 lines (327 loc) • 13.4 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, NotSupported, AuthenticationError } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class xbtce extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'xbtce',
'name': 'xBTCe',
'countries': 'RU',
'rateLimit': 2000, // responses are cached every 2 seconds
'version': 'v1',
'has': {
'publicAPI': false,
'CORS': false,
'fetchTickers': true,
'createMarketOrder': false,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/28059414-e235970c-662c-11e7-8c3a-08e31f78684b.jpg',
'api': 'https://cryptottlivewebapi.xbtce.net:8443/api',
'www': 'https://www.xbtce.com',
'doc': [
'https://www.xbtce.com/tradeapi',
'https://support.xbtce.info/Knowledgebase/Article/View/52/25/xbtce-exchange-api',
],
},
'requiredCredentials': {
'apiKey': true,
'secret': true,
'uid': true,
},
'api': {
'public': {
'get': [
'currency',
'currency/{filter}',
'level2',
'level2/{filter}',
'quotehistory/{symbol}/{periodicity}/bars/ask',
'quotehistory/{symbol}/{periodicity}/bars/bid',
'quotehistory/{symbol}/level2',
'quotehistory/{symbol}/ticks',
'symbol',
'symbol/{filter}',
'tick',
'tick/{filter}',
'ticker',
'ticker/{filter}',
'tradesession',
],
},
'private': {
'get': [
'tradeserverinfo',
'tradesession',
'currency',
'currency/{filter}',
'level2',
'level2/{filter}',
'symbol',
'symbol/{filter}',
'tick',
'tick/{filter}',
'account',
'asset',
'asset/{id}',
'position',
'position/{id}',
'trade',
'trade/{id}',
'quotehistory/{symbol}/{periodicity}/bars/ask',
'quotehistory/{symbol}/{periodicity}/bars/ask/info',
'quotehistory/{symbol}/{periodicity}/bars/bid',
'quotehistory/{symbol}/{periodicity}/bars/bid/info',
'quotehistory/{symbol}/level2',
'quotehistory/{symbol}/level2/info',
'quotehistory/{symbol}/periodicities',
'quotehistory/{symbol}/ticks',
'quotehistory/{symbol}/ticks/info',
'quotehistory/cache/{symbol}/{periodicity}/bars/ask',
'quotehistory/cache/{symbol}/{periodicity}/bars/bid',
'quotehistory/cache/{symbol}/level2',
'quotehistory/cache/{symbol}/ticks',
'quotehistory/symbols',
'quotehistory/version',
],
'post': [
'trade',
'tradehistory',
],
'put': [
'trade',
],
'delete': [
'trade',
],
},
},
});
}
async fetchMarkets () {
let markets = await this.privateGetSymbol ();
let result = [];
for (let p = 0; p < markets.length; p++) {
let market = markets[p];
let id = market['Symbol'];
let base = market['MarginCurrency'];
let quote = market['ProfitCurrency'];
if (base === 'DSH')
base = 'DASH';
let symbol = base + '/' + quote;
symbol = market['IsTradeAllowed'] ? symbol : id;
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'info': market,
});
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
let balances = await this.privateGetAsset ();
let result = { 'info': balances };
for (let b = 0; b < balances.length; b++) {
let balance = balances[b];
let currency = balance['Currency'];
let uppercase = currency.toUpperCase ();
// xbtce names DASH incorrectly as DSH
if (uppercase === 'DSH')
uppercase = 'DASH';
let account = {
'free': balance['FreeAmount'],
'used': balance['LockedAmount'],
'total': balance['Amount'],
};
result[uppercase] = account;
}
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let orderbook = await this.privateGetLevel2Filter (this.extend ({
'filter': market['id'],
}, params));
orderbook = orderbook[0];
let timestamp = orderbook['Timestamp'];
return this.parseOrderBook (orderbook, timestamp, 'Bids', 'Asks', 'Price', 'Volume');
}
parseTicker (ticker, market = undefined) {
let timestamp = 0;
let last = undefined;
if ('LastBuyTimestamp' in ticker)
if (timestamp < ticker['LastBuyTimestamp']) {
timestamp = ticker['LastBuyTimestamp'];
last = ticker['LastBuyPrice'];
}
if ('LastSellTimestamp' in ticker)
if (timestamp < ticker['LastSellTimestamp']) {
timestamp = ticker['LastSellTimestamp'];
last = ticker['LastSellPrice'];
}
if (!timestamp)
timestamp = this.milliseconds ();
let symbol = undefined;
if (market)
symbol = market['symbol'];
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': ticker['DailyBestBuyPrice'],
'low': ticker['DailyBestSellPrice'],
'bid': ticker['BestBid'],
'bidVolume': undefined,
'ask': ticker['BestAsk'],
'askVolume': undefined,
'vwap': undefined,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': ticker['DailyTradedTotalVolume'],
'quoteVolume': undefined,
'info': ticker,
};
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
let tickers = await this.publicGetTicker (params);
tickers = this.indexBy (tickers, 'Symbol');
let ids = Object.keys (tickers);
let result = {};
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let market = undefined;
let symbol = undefined;
if (id in this.markets_by_id) {
market = this.markets_by_id[id];
symbol = market['symbol'];
} else {
let base = id.slice (0, 3);
let quote = id.slice (3, 6);
if (base === 'DSH')
base = 'DASH';
if (quote === 'DSH')
quote = 'DASH';
symbol = base + '/' + quote;
}
let ticker = tickers[id];
result[symbol] = this.parseTicker (ticker, market);
}
return result;
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let tickers = await this.publicGetTickerFilter (this.extend ({
'filter': market['id'],
}, params));
let length = tickers.length;
if (length < 1)
throw new ExchangeError (this.id + ' fetchTicker returned empty response, xBTCe public API error');
tickers = this.indexBy (tickers, 'Symbol');
let ticker = tickers[market['id']];
return this.parseTicker (ticker, market);
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
// no method for trades?
return await this.privateGetTrade (params);
}
parseOHLCV (ohlcv, market = undefined, timeframe = '1m', since = undefined, limit = undefined) {
return [
ohlcv['Timestamp'],
ohlcv['Open'],
ohlcv['High'],
ohlcv['Low'],
ohlcv['Close'],
ohlcv['Volume'],
];
}
async fetchOHLCV (symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) {
// let minutes = parseInt (timeframe / 60); // 1 minute by default
// let periodicity = minutes.toString ();
// await this.loadMarkets ();
// let market = this.market (symbol);
// if (!since)
// since = this.seconds () - 86400 * 7; // last day by defulat
// if (!limit)
// limit = 1000; // default
// let response = await this.privateGetQuotehistorySymbolPeriodicityBarsBid (this.extend ({
// 'symbol': market['id'],
// 'periodicity': periodicity,
// 'timestamp': since,
// 'count': limit,
// }, params));
// return this.parseOHLCVs (response['Bars'], market, timeframe, since, limit);
throw new NotSupported (this.id + ' fetchOHLCV is disabled by the exchange');
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
if (type === 'market')
throw new ExchangeError (this.id + ' allows limit orders only');
let response = await this.privatePostTrade (this.extend ({
'pair': this.marketId (symbol),
'type': side,
'amount': amount,
'rate': price,
}, params));
return {
'info': response,
'id': response['Id'].toString (),
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.privateDeleteTrade (this.extend ({
'Type': 'Cancel',
'Id': id,
}, params));
}
nonce () {
return this.milliseconds ();
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
if (!this.apiKey)
throw new AuthenticationError (this.id + ' requires apiKey for all requests, their public API is always busy');
if (!this.uid)
throw new AuthenticationError (this.id + ' requires uid property for authentication and trading, their public API is always busy');
let url = this.urls['api'] + '/' + this.version;
if (api === 'public')
url += '/' + api;
url += '/' + this.implodeParams (path, params);
let query = this.omit (params, this.extractParams (path));
if (api === 'public') {
if (Object.keys (query).length)
url += '?' + this.urlencode (query);
} else {
this.checkRequiredCredentials ();
headers = { 'Accept-Encoding': 'gzip, deflate' };
let nonce = this.nonce ().toString ();
if (method === 'POST') {
if (Object.keys (query).length) {
headers['Content-Type'] = 'application/json';
body = this.json (query);
} else {
url += '?' + this.urlencode (query);
}
}
let auth = nonce + this.uid + this.apiKey + method + url;
if (body)
auth += body;
let signature = this.hmac (this.encode (auth), this.encode (this.secret), 'sha256', 'base64');
let credentials = this.uid + ':' + this.apiKey + ':' + nonce + ':' + this.binaryToString (signature);
headers['Authorization'] = 'HMAC ' + credentials;
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
};