@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
270 lines (253 loc) • 10.3 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, NotSupported } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class _1broker extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': '_1broker',
'name': '1Broker',
'countries': 'US',
'rateLimit': 1500,
'version': 'v2',
'has': {
'publicAPI': false,
'CORS': true,
'fetchTrades': false,
'fetchOHLCV': true,
},
'timeframes': {
'1m': '60', // not working for some reason, returns {"server_time":"2018-03-26T03:52:27.912Z","error":true,"warning":false,"response":null,"error_code":-1,"error_message":"Error while trying to fetch historical market data. An invalid resolution was probably used."}
'15m': '900',
'1h': '3600',
'1d': '86400',
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27766021-420bd9fc-5ecb-11e7-8ed6-56d0081efed2.jpg',
'api': 'https://1broker.com/api',
'www': 'https://1broker.com',
'doc': 'https://1broker.com/?c=en/content/api-documentation',
},
'requiredCredentials': {
'apiKey': true,
'secret': false,
},
'api': {
'private': {
'get': [
'market/bars',
'market/categories',
'market/details',
'market/list',
'market/quotes',
'market/ticks',
'order/cancel',
'order/create',
'order/open',
'position/close',
'position/close_cancel',
'position/edit',
'position/history',
'position/open',
'position/shared/get',
'social/profile_statistics',
'social/profile_trades',
'user/bitcoin_deposit_address',
'user/details',
'user/overview',
'user/quota_status',
'user/transaction_log',
],
},
},
});
}
async fetchCategories () {
let response = await this.privateGetMarketCategories ();
// they return an empty string among their categories, wtf?
let categories = response['response'];
let result = [];
for (let i = 0; i < categories.length; i++) {
if (categories[i])
result.push (categories[i]);
}
return result;
}
async fetchMarkets () {
let this_ = this; // workaround for Babel bug (not passing `this` to _recursive() call)
let categories = await this.fetchCategories ();
let result = [];
for (let c = 0; c < categories.length; c++) {
let category = categories[c];
let markets = await this_.privateGetMarketList ({
'category': category.toLowerCase (),
});
for (let p = 0; p < markets['response'].length; p++) {
let market = markets['response'][p];
let id = market['symbol'];
let symbol = undefined;
let base = undefined;
let quote = undefined;
if ((category === 'FOREX') || (category === 'CRYPTO')) {
symbol = market['name'];
let parts = symbol.split ('/');
base = parts[0];
quote = parts[1];
} else {
base = id;
quote = 'USD';
symbol = base + '/' + quote;
}
base = this_.commonCurrencyCode (base);
quote = this_.commonCurrencyCode (quote);
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'info': market,
});
}
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
let balance = await this.privateGetUserOverview ();
let response = balance['response'];
let result = {
'info': response,
};
let currencies = Object.keys (this.currencies);
for (let c = 0; c < currencies.length; c++) {
let currency = currencies[c];
result[currency] = this.account ();
}
let total = this.safeFloat (response, 'balance');
result['BTC']['free'] = total;
result['BTC']['total'] = total;
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
let response = await this.privateGetMarketQuotes (this.extend ({
'symbols': this.marketId (symbol),
}, params));
let orderbook = response['response'][0];
let timestamp = this.parse8601 (orderbook['updated']);
let bidPrice = this.safeFloat (orderbook, 'bid');
let askPrice = this.safeFloat (orderbook, 'ask');
let bid = [ bidPrice, undefined ];
let ask = [ askPrice, undefined ];
return {
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'bids': [ bid ],
'asks': [ ask ],
'nonce': undefined,
};
}
async fetchTrades (symbol) {
throw new NotSupported (this.id + ' fetchTrades () method not implemented yet');
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
let result = await this.privateGetMarketBars (this.extend ({
'symbol': this.marketId (symbol),
'resolution': 60,
'limit': 1,
}, params));
let ticker = result['response'][0];
let timestamp = this.parse8601 (ticker['date']);
let open = this.safeFloat (ticker, 'o');
let close = this.safeFloat (ticker, 'c');
let change = close - open;
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'h'),
'low': this.safeFloat (ticker, 'l'),
'bid': undefined,
'bidVolume': undefined,
'ask': undefined,
'askVolume': undefined,
'vwap': undefined,
'open': open,
'close': close,
'last': close,
'previousClose': undefined,
'change': change,
'percentage': change / open * 100,
'average': undefined,
'baseVolume': undefined,
'quoteVolume': undefined,
'info': ticker,
};
}
parseOHLCV (ohlcv, market = undefined, timeframe = '1m', since = undefined, limit = undefined) {
return [
this.parse8601 (ohlcv['date']),
parseFloat (ohlcv['o']),
parseFloat (ohlcv['h']),
parseFloat (ohlcv['l']),
parseFloat (ohlcv['c']),
undefined,
];
}
async fetchOHLCV (symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let request = {
'symbol': market['id'],
'resolution': this.timeframes[timeframe],
};
if (typeof since !== 'undefined')
request['date_start'] = this.iso8601 (since); // they also support date_end
if (typeof limit !== 'undefined')
request['limit'] = limit;
let result = await this.privateGetMarketBars (this.extend (request, params));
return this.parseOHLCVs (result['response'], market, timeframe, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
let order = {
'symbol': this.marketId (symbol),
'margin': amount,
'direction': (side === 'sell') ? 'short' : 'long',
'leverage': 1,
'type': side,
};
if (type === 'limit')
order['price'] = price;
else
order['type'] += '_market';
let result = await this.privateGetOrderCreate (this.extend (order, params));
return {
'info': result,
'id': result['response']['order_id'],
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
return await this.privatePostOrderCancel ({ 'order_id': id });
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
this.checkRequiredCredentials ();
let url = this.urls['api'] + '/' + this.version + '/' + path + '.php';
let query = this.extend ({ 'token': this.apiKey }, params);
url += '?' + this.urlencode (query);
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
async request (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let response = await this.fetch2 (path, api, method, params, headers, body);
if ('warning' in response)
if (response['warning'])
throw new ExchangeError (this.id + ' ' + this.json (response));
if ('error' in response)
if (response['error'])
throw new ExchangeError (this.id + ' ' + this.json (response));
return response;
}
};