@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
247 lines (231 loc) • 9.31 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, NotSupported } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class coinfloor extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'coinfloor',
'name': 'coinfloor',
'rateLimit': 1000,
'countries': 'UK',
'has': {
'CORS': false,
'fetchOpenOrders': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/28246081-623fc164-6a1c-11e7-913f-bac0d5576c90.jpg',
'api': 'https://webapi.coinfloor.co.uk:8090/bist',
'www': 'https://www.coinfloor.co.uk',
'doc': [
'https://github.com/coinfloor/api',
'https://www.coinfloor.co.uk/api',
],
},
'requiredCredentials': {
'apiKey': true,
'secret': false,
'password': true,
'uid': true,
},
'api': {
'public': {
'get': [
'{id}/ticker/',
'{id}/order_book/',
'{id}/transactions/',
],
},
'private': {
'post': [
'{id}/balance/',
'{id}/user_transactions/',
'{id}/open_orders/',
'{id}/cancel_order/',
'{id}/buy/',
'{id}/sell/',
'{id}/buy_market/',
'{id}/sell_market/',
'{id}/estimate_sell_market/',
'{id}/estimate_buy_market/',
],
},
},
'markets': {
'BTC/GBP': { 'id': 'XBT/GBP', 'symbol': 'BTC/GBP', 'base': 'BTC', 'quote': 'GBP' },
'BTC/EUR': { 'id': 'XBT/EUR', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR' },
'BTC/USD': { 'id': 'XBT/USD', 'symbol': 'BTC/USD', 'base': 'BTC', 'quote': 'USD' },
'BTC/PLN': { 'id': 'XBT/PLN', 'symbol': 'BTC/PLN', 'base': 'BTC', 'quote': 'PLN' },
'BCH/GBP': { 'id': 'BCH/GBP', 'symbol': 'BCH/GBP', 'base': 'BCH', 'quote': 'GBP' },
},
});
}
fetchBalance (params = {}) {
let symbol = undefined;
if ('symbol' in params)
symbol = params['symbol'];
if ('id' in params)
symbol = params['id'];
if (!symbol)
throw new ExchangeError (this.id + ' fetchBalance requires a symbol param');
// todo parse balance
return this.privatePostIdBalance ({
'id': this.marketId (symbol),
});
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
let orderbook = await this.publicGetIdOrderBook (this.extend ({
'id': this.marketId (symbol),
}, params));
return this.parseOrderBook (orderbook);
}
parseTicker (ticker, market = undefined) {
// rewrite to get the timestamp from HTTP headers
let timestamp = this.milliseconds ();
let symbol = undefined;
if (market)
symbol = market['symbol'];
let vwap = this.safeFloat (ticker, 'vwap');
let baseVolume = this.safeFloat (ticker, 'volume');
let quoteVolume = undefined;
if (typeof vwap !== 'undefined') {
quoteVolume = baseVolume * vwap;
}
let last = this.safeFloat (ticker, 'last');
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'high'),
'low': this.safeFloat (ticker, 'low'),
'bid': this.safeFloat (ticker, 'bid'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'ask'),
'askVolume': undefined,
'vwap': vwap,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
async fetchTicker (symbol, params = {}) {
let market = this.market (symbol);
let ticker = await this.publicGetIdTicker (this.extend ({
'id': market['id'],
}, params));
return this.parseTicker (ticker, market);
}
parseTrade (trade, market) {
let timestamp = trade['date'] * 1000;
return {
'info': trade,
'id': trade['tid'].toString (),
'order': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'type': undefined,
'side': undefined,
'price': this.safeFloat (trade, 'price'),
'amount': this.safeFloat (trade, 'amount'),
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
let market = this.market (symbol);
let response = await this.publicGetIdTransactions (this.extend ({
'id': market['id'],
}, params));
return this.parseTrades (response, market, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
let order = { 'id': this.marketId (symbol) };
let method = 'privatePostId' + this.capitalize (side);
if (type === 'market') {
order['quantity'] = amount;
method += 'Market';
} else {
order['price'] = price;
order['amount'] = amount;
}
return this[method] (this.extend (order, params));
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.privatePostIdCancelOrder ({ 'id': id });
}
parseOrder (order, market = undefined) {
let timestamp = this.parseDate (order['datetime']);
let datetime = this.iso8601 (timestamp);
let price = this.safeFloat (order, 'price');
let amount = this.safeFloat (order, 'amount');
let cost = price * amount;
let side = undefined;
let status = this.safeString (order, 'status');
if (order['type'] === 0)
side = 'buy';
else if (order['type'] === 1)
side = 'sell';
let symbol = undefined;
if (typeof market !== 'undefined')
symbol = market['symbol'];
let id = order['id'].toString ();
return {
'info': order,
'id': id,
'datetime': datetime,
'timestamp': timestamp,
'lastTradeTimestamp': undefined,
'status': status,
'symbol': symbol,
'type': 'limit',
'side': side,
'price': price,
'amount': amount,
'filled': undefined,
'remaining': undefined,
'cost': cost,
'fee': undefined,
};
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
if (!symbol)
throw new NotSupported (this.id + ' fetchOpenOrders requires a symbol param');
await this.loadMarkets ();
let market = this.market (symbol);
let orders = await this.privatePostIdOpenOrders ({
'id': market['id'],
});
for (let i = 0; i < orders.length; i++) {
// Coinfloor open orders would always be limit orders
orders[i] = this.extend (orders[i], { 'status': 'open' });
}
return this.parseOrders (orders, market, since, limit);
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
// curl -k -u '[User ID]/[API key]:[Passphrase]' https://webapi.coinfloor.co.uk:8090/bist/XBT/GBP/balance/
let url = this.urls['api'] + '/' + 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 ();
let nonce = this.nonce ();
body = this.urlencode (this.extend ({ 'nonce': nonce }, query));
let auth = this.uid + '/' + this.apiKey + ':' + this.password;
let signature = this.decode (this.stringToBase64 (this.encode (auth)));
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'Authorization': 'Basic ' + signature,
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
};