452 lines
16 KiB
JavaScript
452 lines
16 KiB
JavaScript
'use strict';
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// ---------------------------------------------------------------------------
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const Exchange = require ('./base/Exchange');
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const { ExchangeError, AuthenticationError, ExchangeNotAvailable } = require ('./base/errors');
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// ---------------------------------------------------------------------------
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module.exports = class exx extends Exchange {
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describe () {
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return this.deepExtend (super.describe (), {
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'id': 'exx',
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'name': 'EXX',
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'countries': [ 'CN' ],
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'rateLimit': 1000 / 10,
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'userAgent': this.userAgents['chrome'],
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'has': {
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'fetchOrder': true,
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'fetchTickers': true,
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'fetchOpenOrders': true,
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},
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'urls': {
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'logo': 'https://user-images.githubusercontent.com/1294454/37770292-fbf613d0-2de4-11e8-9f79-f2dc451b8ccb.jpg',
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'api': {
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'public': 'https://api.exx.com/data/v1',
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'private': 'https://trade.exx.com/api',
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},
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'www': 'https://www.exx.com/',
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'doc': 'https://www.exx.com/help/restApi',
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'fees': 'https://www.exx.com/help/rate',
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'referral': 'https://www.exx.com/r/fde4260159e53ab8a58cc9186d35501f?recommQd=1',
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},
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'api': {
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'public': {
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'get': [
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'markets',
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'tickers',
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'ticker',
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'depth',
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'trades',
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],
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},
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'private': {
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'get': [
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'order',
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'cancel',
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'getOrder',
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'getOpenOrders',
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'getBalance',
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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': 0.1 / 100,
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'taker': 0.1 / 100,
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},
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'funding': {
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'withdraw': {
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'BCC': 0.0003,
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'BCD': 0.0,
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'BOT': 10.0,
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'BTC': 0.001,
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'BTG': 0.0,
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'BTM': 25.0,
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'BTS': 3.0,
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'EOS': 1.0,
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'ETC': 0.01,
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'ETH': 0.01,
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'ETP': 0.012,
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'HPY': 0.0,
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'HSR': 0.001,
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'INK': 20.0,
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'LTC': 0.005,
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'MCO': 0.6,
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'MONA': 0.01,
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'QASH': 5.0,
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'QCASH': 5.0,
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'QTUM': 0.01,
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'USDT': 5.0,
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},
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},
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},
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'commonCurrencies': {
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'TV': 'TIV', // Ti-Value
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},
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'exceptions': {
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'103': AuthenticationError,
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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.publicGetMarkets (params);
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const ids = Object.keys (response);
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const result = [];
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for (let i = 0; i < ids.length; i++) {
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const id = ids[i];
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const market = response[id];
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const [ baseId, quoteId ] = id.split ('_');
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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 active = market['isOpen'] === true;
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const precision = {
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'amount': parseInt (market['amountScale']),
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'price': parseInt (market['priceScale']),
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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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'baseId': baseId,
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'quoteId': quoteId,
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'active': active,
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'precision': precision,
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'limits': {
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'amount': {
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'min': Math.pow (10, -precision['amount']),
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'max': Math.pow (10, precision['amount']),
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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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parseTicker (ticker, market = undefined) {
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const symbol = market['symbol'];
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const timestamp = this.safeInteger (ticker, 'date');
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ticker = ticker['ticker'];
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const last = this.safeFloat (ticker, 'last');
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return {
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'symbol': symbol,
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'high': this.safeFloat (ticker, 'high'),
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'low': this.safeFloat (ticker, 'low'),
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'bid': this.safeFloat (ticker, 'buy'),
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'bidVolume': undefined,
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'ask': this.safeFloat (ticker, 'sell'),
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'askVolume': undefined,
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'vwap': undefined,
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'open': undefined,
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'close': last,
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'last': last,
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'previousClose': undefined,
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'change': this.safeFloat (ticker, 'riseRate'),
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'percentage': undefined,
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'average': undefined,
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'baseVolume': this.safeFloat (ticker, 'vol'),
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'quoteVolume': undefined,
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'info': ticker,
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};
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}
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async fetchTicker (symbol, 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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'currency': market['id'],
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};
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const response = await this.publicGetTicker (this.extend (request, params));
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return this.parseTicker (response, market);
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}
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async fetchTickers (symbols = undefined, params = {}) {
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await this.loadMarkets ();
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const response = await this.publicGetTickers (params);
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const result = {};
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const timestamp = this.milliseconds ();
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const ids = Object.keys (response);
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for (let i = 0; i < ids.length; i++) {
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const id = ids[i];
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if (!(id in this.marketsById)) {
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continue;
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}
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const market = this.marketsById[id];
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const symbol = market['symbol'];
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const ticker = {
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'date': timestamp,
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'ticker': response[id],
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};
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result[symbol] = this.parseTicker (ticker, market);
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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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'currency': this.marketId (symbol),
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};
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const response = await this.publicGetDepth (this.extend (request, params));
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const timestamp = this.safeTimestamp (response, 'timestamp');
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return this.parseOrderBook (response, timestamp);
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}
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parseTrade (trade, market = undefined) {
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const timestamp = this.safeTimestamp (trade, 'date');
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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 = price * amount;
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}
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}
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let symbol = undefined;
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if (market !== undefined) {
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symbol = market['symbol'];
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}
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const type = 'limit';
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const side = this.safeString (trade, 'type');
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const id = this.safeString (trade, 'tid');
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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': undefined,
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'type': type,
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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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const market = this.market (symbol);
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const request = {
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'currency': market['id'],
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};
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const response = await this.publicGetTrades (this.extend (request, params));
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return this.parseTrades (response, market, 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.privateGetGetBalance (params);
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const result = { 'info': response };
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const balances = this.safeValue (response, 'funds');
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const currencies = Object.keys (balances);
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for (let i = 0; i < currencies.length; i++) {
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const currencyId = currencies[i];
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const balance = balances[currencyId];
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const code = this.safeCurrencyCode (currencyId);
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const account = {
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'free': this.safeFloat (balance, 'balance'),
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'used': this.safeFloat (balance, 'freeze'),
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'total': this.safeFloat (balance, 'total'),
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};
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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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parseOrder (order, market = undefined) {
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//
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// {
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// "fees": 0,
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// "total_amount": 1,
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// "trade_amount": 0,
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// "price": 30,
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// "currency": “eth_hsr",
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// "id": "13878",
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// "trade_money": 0,
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// "type": "buy",
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// "trade_date": 1509728897772,
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// "status": 0
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// }
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//
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const symbol = market['symbol'];
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const timestamp = parseInt (order['trade_date']);
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const price = this.safeFloat (order, 'price');
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const cost = this.safeFloat (order, 'trade_money');
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const amount = this.safeFloat (order, 'total_amount');
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const filled = this.safeFloat (order, 'trade_amount', 0.0);
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const remaining = parseFloat (this.amountToPrecision (symbol, amount - filled));
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let status = this.safeInteger (order, 'status');
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if (status === 1) {
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status = 'canceled';
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} else if (status === 2) {
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status = 'closed';
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} else {
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status = 'open';
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}
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let fee = undefined;
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if ('fees' in order) {
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fee = {
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'cost': this.safeFloat (order, 'fees'),
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'currency': market['quote'],
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};
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}
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return {
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'id': this.safeString (order, 'id'),
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'clientOrderId': undefined,
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'datetime': this.iso8601 (timestamp),
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'timestamp': timestamp,
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'lastTradeTimestamp': undefined,
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'status': status,
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'symbol': symbol,
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'type': 'limit',
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'side': order['type'],
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'price': price,
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'cost': cost,
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'amount': amount,
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'filled': filled,
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'remaining': remaining,
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'trades': undefined,
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'fee': fee,
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'info': order,
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'average': undefined,
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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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'currency': market['id'],
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'type': side,
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'price': price,
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'amount': amount,
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};
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const response = await this.privateGetOrder (this.extend (request, params));
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const id = this.safeString (response, 'id');
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const order = this.parseOrder ({
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'id': id,
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'trade_date': this.milliseconds (),
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'total_amount': amount,
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'price': price,
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'type': side,
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'info': response,
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}, market);
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this.orders[id] = order;
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return order;
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}
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async cancelOrder (id, symbol = 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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'id': id,
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'currency': market['id'],
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};
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const response = await this.privateGetCancel (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 market = this.market (symbol);
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const request = {
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'id': id,
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'currency': market['id'],
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};
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const response = await this.privateGetGetOrder (this.extend (request, params));
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return this.parseOrder (response, market);
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}
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async fetchOpenOrders (symbol = undefined, 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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'currency': market['id'],
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};
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const response = await this.privateGetGetOpenOrders (this.extend (request, params));
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if (!Array.isArray (response)) {
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return [];
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}
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return this.parseOrders (response, market, 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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let url = this.urls['api'][api] + '/' + path;
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if (api === 'public') {
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if (Object.keys (params).length) {
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url += '?' + this.urlencode (params);
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}
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} else {
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this.checkRequiredCredentials ();
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const query = this.urlencode (this.keysort (this.extend ({
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'accesskey': this.apiKey,
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'nonce': this.nonce (),
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}, params)));
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const signed = this.hmac (this.encode (query), this.encode (this.secret), 'sha512');
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url += '?' + query + '&signature=' + signed;
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headers = {
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'Content-Type': 'application/x-www-form-urlencoded',
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};
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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 (httpCode, 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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// {"result":false,"message":"服务端忙碌"}
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// ... and other formats
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//
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const code = this.safeString (response, 'code');
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const message = this.safeString (response, 'message');
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const feedback = this.id + ' ' + body;
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if (code === '100') {
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return;
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}
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if (code !== undefined) {
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this.throwExactlyMatchedException (this.exceptions, code, feedback);
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if (code === '308') {
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// this is returned by the exchange when there are no open orders
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// {"code":308,"message":"Not Found Transaction Record"}
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return;
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} else {
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throw new ExchangeError (feedback);
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}
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}
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const result = this.safeValue (response, 'result');
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if (result !== undefined) {
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if (!result) {
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if (message === '服务端忙碌') {
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throw new ExchangeNotAvailable (feedback);
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} else {
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throw new ExchangeError (feedback);
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}
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}
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}
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}
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};
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