@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
257 lines (241 loc) • 9.91 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class huobi extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'huobi',
'name': 'Huobi',
'countries': 'CN',
'rateLimit': 2000,
'version': 'v3',
'has': {
'CORS': false,
'fetchOHLCV': true,
},
'timeframes': {
'1m': '001',
'5m': '005',
'15m': '015',
'30m': '030',
'1h': '060',
'1d': '100',
'1w': '200',
'1M': '300',
'1y': '400',
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27766569-15aa7b9a-5edd-11e7-9e7f-44791f4ee49c.jpg',
'api': 'http://api.huobi.com',
'www': 'https://www.huobi.com',
'doc': 'https://github.com/huobiapi/API_Docs_en/wiki',
},
'api': {
'staticmarket': {
'get': [
'{id}_kline_{period}',
'ticker_{id}',
'depth_{id}',
'depth_{id}_{length}',
'detail_{id}',
],
},
'usdmarket': {
'get': [
'{id}_kline_{period}',
'ticker_{id}',
'depth_{id}',
'depth_{id}_{length}',
'detail_{id}',
],
},
'trade': {
'post': [
'get_account_info',
'get_orders',
'order_info',
'buy',
'sell',
'buy_market',
'sell_market',
'cancel_order',
'get_new_deal_orders',
'get_order_id_by_trade_id',
'withdraw_coin',
'cancel_withdraw_coin',
'get_withdraw_coin_result',
'transfer',
'loan',
'repayment',
'get_loan_available',
'get_loans',
],
},
},
'markets': {
'BTC/CNY': { 'id': 'btc', 'symbol': 'BTC/CNY', 'base': 'BTC', 'quote': 'CNY', 'type': 'staticmarket', 'coinType': 1 },
'LTC/CNY': { 'id': 'ltc', 'symbol': 'LTC/CNY', 'base': 'LTC', 'quote': 'CNY', 'type': 'staticmarket', 'coinType': 2 },
// 'BTC/USD': { 'id': 'btc', 'symbol': 'BTC/USD', 'base': 'BTC', 'quote': 'USD', 'type': 'usdmarket', 'coinType': 1 },
},
});
}
async fetchBalance (params = {}) {
let balances = await this.tradePostGetAccountInfo ();
let result = { 'info': balances };
let currencies = Object.keys (this.currencies);
for (let i = 0; i < currencies.length; i++) {
let currency = currencies[i];
let lowercase = currency.toLowerCase ();
let account = this.account ();
let available = 'available_' + lowercase + '_display';
let frozen = 'frozen_' + lowercase + '_display';
let loan = 'loan_' + lowercase + '_display';
if (available in balances)
account['free'] = parseFloat (balances[available]);
if (frozen in balances)
account['used'] = parseFloat (balances[frozen]);
if (loan in balances)
account['used'] = this.sum (account['used'], parseFloat (balances[loan]));
account['total'] = this.sum (account['free'], account['used']);
result[currency] = account;
}
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
let market = this.market (symbol);
let method = market['type'] + 'GetDepthId';
let orderbook = await this[method] (this.extend ({ 'id': market['id'] }, params));
return this.parseOrderBook (orderbook);
}
async fetchTicker (symbol, params = {}) {
let market = this.market (symbol);
let method = market['type'] + 'GetTickerId';
let response = await this[method] (this.extend ({
'id': market['id'],
}, params));
let ticker = response['ticker'];
let timestamp = parseInt (response['time']) * 1000;
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'high'),
'low': this.safeFloat (ticker, 'low'),
'bid': this.safeFloat (ticker, 'buy'),
'ask': this.safeFloat (ticker, 'sell'),
'vwap': undefined,
'open': this.safeFloat (ticker, 'open'),
'close': undefined,
'first': undefined,
'last': this.safeFloat (ticker, 'last'),
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': undefined,
'quoteVolume': this.safeFloat (ticker, 'vol'),
'info': ticker,
};
}
parseTrade (trade, market) {
let timestamp = trade['ts'];
return {
'info': trade,
'id': trade['id'].toString (),
'order': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'type': undefined,
'side': trade['direction'],
'price': trade['price'],
'amount': trade['amount'],
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
let market = this.market (symbol);
let method = market['type'] + 'GetDetailId';
let response = await this[method] (this.extend ({
'id': market['id'],
}, params));
return this.parseTrades (response['trades'], market, since, limit);
}
parseOHLCV (ohlcv, market = undefined, timeframe = '1m', since = undefined, limit = undefined) {
// not implemented yet
return [
ohlcv[0],
ohlcv[1],
ohlcv[2],
ohlcv[3],
ohlcv[4],
ohlcv[6],
];
}
async fetchOHLCV (symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) {
let market = this.market (symbol);
let method = market['type'] + 'GetIdKlinePeriod';
let ohlcvs = await this[method] (this.extend ({
'id': market['id'],
'period': this.timeframes[timeframe],
}, params));
return ohlcvs;
// return this.parseOHLCVs (ohlcvs, market, timeframe, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
let market = this.market (symbol);
let method = 'tradePost' + this.capitalize (side);
let order = {
'coin_type': market['coinType'],
'amount': amount,
'market': market['quote'].toLowerCase (),
};
if (type === 'limit')
order['price'] = price;
else
method += this.capitalize (type);
let response = this[method] (this.extend (order, params));
return {
'info': response,
'id': response['id'],
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.tradePostCancelOrder ({ 'id': id });
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'];
if (api === 'trade') {
this.checkRequiredCredentials ();
url += '/api' + this.version;
let query = this.keysort (this.extend ({
'method': path,
'access_key': this.apiKey,
'created': this.nonce (),
}, params));
let queryString = this.urlencode (this.omit (query, 'market'));
// secret key must be appended to the query before signing
queryString += '&secret_key=' + this.secret;
query['sign'] = this.hash (this.encode (queryString));
body = this.urlencode (query);
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
};
} else {
url += '/' + api + '/' + this.implodeParams (path, params) + '_json.js';
let query = this.omit (params, this.extractParams (path));
if (Object.keys (query).length)
url += '?' + this.urlencode (query);
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
async request (path, api = 'trade', method = 'GET', params = {}, headers = undefined, body = undefined) {
let response = await this.fetch2 (path, api, method, params, headers, body);
if ('status' in response)
if (response['status'] === 'error')
throw new ExchangeError (this.id + ' ' + this.json (response));
if ('code' in response)
throw new ExchangeError (this.id + ' ' + this.json (response));
return response;
}
};