consequunturatque
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A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
374 lines (356 loc) • 14.7 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': {
'cancelOrder': true,
'CORS': false,
'createMarketOrder': false,
'createOrder': true,
'fetchBalance': true,
'fetchMarkets': true,
'fetchOHLCV': false,
'fetchOrderBook': true,
'fetchTicker': true,
'fetchTickers': true,
'fetchTrades': true,
},
'urls': {
'referral': 'https://xbtce.com/?agent=XX97BTCXXXG687021000B',
'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',
],
},
},
'commonCurrencies': {
'DSH': 'DASH',
},
});
}
async fetchMarkets (params = {}) {
const response = await this.privateGetSymbol (params);
const result = [];
for (let i = 0; i < response.length; i++) {
const market = response[i];
const id = this.safeString (market, 'Symbol');
const baseId = this.safeString (market, 'MarginCurrency');
const quoteId = this.safeString (market, 'ProfitCurrency');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
let symbol = base + '/' + quote;
symbol = market['IsTradeAllowed'] ? symbol : id;
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
'info': market,
'active': undefined,
'precision': this.precision,
'limits': this.limits,
});
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const balances = await this.privateGetAsset (params);
const result = {
'info': balances,
'timestamp': undefined,
'datetime': undefined,
};
for (let i = 0; i < balances.length; i++) {
const balance = balances[i];
const currencyId = this.safeString (balance, 'Currency');
const code = this.safeCurrencyCode (currencyId);
const account = this.account ();
account['free'] = this.safeString (balance, 'FreeAmount');
account['used'] = this.safeString (balance, 'LockedAmount');
account['total'] = this.safeString (balance, 'Amount');
result[code] = account;
}
return this.parseBalance (result, false);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'filter': market['id'],
};
const response = await this.privateGetLevel2Filter (this.extend (request, params));
const orderbook = response[0];
const timestamp = this.safeInteger (orderbook, 'Timestamp');
return this.parseOrderBook (orderbook, symbol, 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 ();
const response = await this.publicGetTicker (params);
const tickers = this.indexBy (response, 'Symbol');
const ids = Object.keys (tickers);
const result = {};
for (let i = 0; i < ids.length; i++) {
const 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 {
const baseId = id.slice (0, 3);
const quoteId = id.slice (3, 6);
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
symbol = base + '/' + quote;
}
const ticker = tickers[id];
result[symbol] = this.parseTicker (ticker, market);
}
return this.filterByArray (result, 'symbol', symbols);
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'filter': market['id'],
};
const response = await this.publicGetTickerFilter (this.extend (request, params));
const length = response.length;
if (length < 1) {
throw new ExchangeError (this.id + ' fetchTicker returned empty response, xBTCe public API error');
}
const tickers = this.indexBy (response, 'Symbol');
const 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) {
return [
this.safeInteger (ohlcv, 'Timestamp'),
this.safeNumber (ohlcv, 'Open'),
this.safeNumber (ohlcv, 'High'),
this.safeNumber (ohlcv, 'Low'),
this.safeNumber (ohlcv, 'Close'),
this.safeNumber (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 === undefined)
// since = this.seconds () - 86400 * 7; // last day by defulat
// if (limit === undefined)
// 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');
}
const request = {
'pair': this.marketId (symbol),
'type': side,
'amount': amount,
'rate': price,
};
const response = await this.privatePostTrade (this.extend (request, params));
return {
'info': response,
'id': response['Id'].toString (),
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
const request = {
'Type': 'Cancel',
'Id': id,
};
return await this.privateDeleteTrade (this.extend (request, 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);
const 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' };
const 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;
}
const signature = this.hmac (this.encode (auth), this.encode (this.secret), 'sha256', 'base64');
const credentials = this.uid + ':' + this.apiKey + ':' + nonce + ':' + signature;
headers['Authorization'] = 'HMAC ' + credentials;
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
};