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bitstamp1.js
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"use strict";
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange')
const { ExchangeError, NotSupported, AuthenticationError } = require ('./base/errors')
// ---------------------------------------------------------------------------
module.exports = class bitstamp1 extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'bitstamp1',
'name': 'Bitstamp v1',
'countries': 'GB',
'rateLimit': 1000,
'version': 'v1',
'hasCORS': true,
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27786377-8c8ab57e-5fe9-11e7-8ea4-2b05b6bcceec.jpg',
'api': 'https://www.bitstamp.net/api',
'www': 'https://www.bitstamp.net',
'doc': 'https://www.bitstamp.net/api',
},
'requiredCredentials': {
'apiKey': true,
'secret': true,
'uid': true,
},
'api': {
'public': {
'get': [
'ticker',
'ticker_hour',
'order_book',
'transactions',
'eur_usd',
],
},
'private': {
'post': [
'balance',
'user_transactions',
'open_orders',
'order_status',
'cancel_order',
'cancel_all_orders',
'buy',
'sell',
'bitcoin_deposit_address',
'unconfirmed_btc',
'ripple_withdrawal',
'ripple_address',
'withdrawal_requests',
'bitcoin_withdrawal',
],
},
},
'markets': {
'BTC/USD': { 'id': 'btcusd', 'symbol': 'BTC/USD', 'base': 'BTC', 'quote': 'USD', 'maker': 0.0025, 'taker': 0.0025 },
'BTC/EUR': { 'id': 'btceur', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR', 'maker': 0.0025, 'taker': 0.0025 },
'EUR/USD': { 'id': 'eurusd', 'symbol': 'EUR/USD', 'base': 'EUR', 'quote': 'USD', 'maker': 0.0025, 'taker': 0.0025 },
'XRP/USD': { 'id': 'xrpusd', 'symbol': 'XRP/USD', 'base': 'XRP', 'quote': 'USD', 'maker': 0.0025, 'taker': 0.0025 },
'XRP/EUR': { 'id': 'xrpeur', 'symbol': 'XRP/EUR', 'base': 'XRP', 'quote': 'EUR', 'maker': 0.0025, 'taker': 0.0025 },
'XRP/BTC': { 'id': 'xrpbtc', 'symbol': 'XRP/BTC', 'base': 'XRP', 'quote': 'BTC', 'maker': 0.0025, 'taker': 0.0025 },
'LTC/USD': { 'id': 'ltcusd', 'symbol': 'LTC/USD', 'base': 'LTC', 'quote': 'USD', 'maker': 0.0025, 'taker': 0.0025 },
'LTC/EUR': { 'id': 'ltceur', 'symbol': 'LTC/EUR', 'base': 'LTC', 'quote': 'EUR', 'maker': 0.0025, 'taker': 0.0025 },
'LTC/BTC': { 'id': 'ltcbtc', 'symbol': 'LTC/BTC', 'base': 'LTC', 'quote': 'BTC', 'maker': 0.0025, 'taker': 0.0025 },
'ETH/USD': { 'id': 'ethusd', 'symbol': 'ETH/USD', 'base': 'ETH', 'quote': 'USD', 'maker': 0.0025, 'taker': 0.0025 },
'ETH/EUR': { 'id': 'etheur', 'symbol': 'ETH/EUR', 'base': 'ETH', 'quote': 'EUR', 'maker': 0.0025, 'taker': 0.0025 },
'ETH/BTC': { 'id': 'ethbtc', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC', 'maker': 0.0025, 'taker': 0.0025 },
},
});
}
async fetchOrderBook (symbol, params = {}) {
if (symbol != 'BTC/USD')
throw new ExchangeError (this.id + ' ' + this.version + " fetchOrderBook doesn't support " + symbol + ', use it for BTC/USD only');
let orderbook = await this.publicGetOrderBook (params);
let timestamp = parseInt (orderbook['timestamp']) * 1000;
return this.parseOrderBook (orderbook, timestamp);
}
async fetchTicker (symbol, params = {}) {
if (symbol != 'BTC/USD')
throw new ExchangeError (this.id + ' ' + this.version + " fetchTicker doesn't support " + symbol + ', use it for BTC/USD only');
let ticker = await this.publicGetTicker (params);
let timestamp = parseInt (ticker['timestamp']) * 1000;
let vwap = parseFloat (ticker['vwap']);
let baseVolume = parseFloat (ticker['volume']);
let quoteVolume = baseVolume * vwap;
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': parseFloat (ticker['high']),
'low': parseFloat (ticker['low']),
'bid': parseFloat (ticker['bid']),
'ask': parseFloat (ticker['ask']),
'vwap': vwap,
'open': parseFloat (ticker['open']),
'close': undefined,
'first': undefined,
'last': parseFloat (ticker['last']),
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
parseTrade (trade, market = undefined) {
let timestamp = undefined;
if ('date' in trade) {
timestamp = parseInt (trade['date']) * 1000;
} else if ('datetime' in trade) {
// timestamp = this.parse8601 (trade['datetime']);
timestamp = parseInt (trade['datetime']) * 1000;
}
let side = (trade['type'] == 0) ? 'buy' : 'sell';
let order = undefined;
if ('order_id' in trade)
order = trade['order_id'].toString ();
if ('currency_pair' in trade) {
if (trade['currency_pair'] in this.markets_by_id)
market = this.markets_by_id[trade['currency_pair']];
}
return {
'id': trade['tid'].toString (),
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'order': order,
'type': undefined,
'side': side,
'price': parseFloat (trade['price']),
'amount': parseFloat (trade['amount']),
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
if (symbol != 'BTC/USD')
throw new ExchangeError (this.id + ' ' + this.version + " fetchTrades doesn't support " + symbol + ', use it for BTC/USD only');
let market = this.market (symbol);
let response = await this.publicGetTransactions (this.extend ({
'time': 'minute',
}, params));
return this.parseTrades (response, market);
}
async fetchBalance (params = {}) {
let balance = await this.privatePostBalance ();
let result = { 'info': balance };
let currencies = Object.keys (this.currencies);
for (let i = 0; i < currencies.length; i++) {
let currency = currencies[i];
let lowercase = currency.toLowerCase ();
let total = lowercase + '_balance';
let free = lowercase + '_available';
let used = lowercase + '_reserved';
let account = this.account ();
account['free'] = this.safeFloat (balance, free, 0.0);
account['used'] = this.safeFloat (balance, used, 0.0);
account['total'] = this.safeFloat (balance, total, 0.0);
result[currency] = account;
}
return this.parseBalance (result);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
if (type != 'limit')
throw new ExchangeError (this.id + ' ' + this.version + ' accepts limit orders only');
if (symbol != 'BTC/USD')
throw new ExchangeError (this.id + ' v1 supports BTC/USD orders only');
let method = 'privatePost' + this.capitalize (side);
let order = {
'amount': amount,
'price': price,
};
let response = await this[method] (this.extend (order, params));
return {
'info': response,
'id': response['id'],
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.privatePostCancelOrder ({ 'id': id });
}
parseOrderStatus (order) {
if ((order['status'] == 'Queue') || (order['status'] == 'Open'))
return 'open';
if (order['status'] == 'Finished')
return 'closed';
return order['status'];
}
async fetchOrderStatus (id, symbol = undefined) {
await this.loadMarkets ();
let response = await this.privatePostOrderStatus ({ 'id': id });
return this.parseOrderStatus (response);
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
if (symbol)
market = this.market (symbol);
let pair = market ? market['id'] : 'all';
let request = this.extend ({ 'id': pair }, params);
let response = await this.privatePostOpenOrdersId (request);
return this.parseTrades (response, market);
}
async fetchOrder (id, symbol = undefined, params = {}) {
throw new NotSupported (this.id + ' fetchOrder is not implemented yet');
await this.loadMarkets ();
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
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 ().toString ();
let auth = nonce + this.uid + this.apiKey;
let signature = this.encode (this.hmac (this.encode (auth), this.encode (this.secret)));
query = this.extend ({
'key': this.apiKey,
'signature': signature.toUpperCase (),
'nonce': nonce,
}, query);
body = this.urlencode (query);
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
};
}
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 ('status' in response)
if (response['status'] == 'error')
throw new ExchangeError (this.id + ' ' + this.json (response));
return response;
}
}