@madnai/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
300 lines (282 loc) • 12.9 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { BadSymbol, ExchangeError, NotSupported } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class bitstamp1 extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'bitstamp1',
'name': 'Bitstamp',
'countries': [ 'GB' ],
'rateLimit': 1000,
'version': 'v1',
'has': {
'cancelOrder': true,
'CORS': true,
'createOrder': true,
'fetchBalance': true,
'fetchMyTrades': true,
'fetchOrder': false,
'fetchOrderBook': true,
'fetchTicker': true,
'fetchTrades': 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', 'baseId': 'btc', 'quoteId': 'usd', 'maker': 0.005, 'taker': 0.005 },
'BTC/EUR': { 'id': 'btceur', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR', 'baseId': 'btc', 'quoteId': 'eur', 'maker': 0.005, 'taker': 0.005 },
'EUR/USD': { 'id': 'eurusd', 'symbol': 'EUR/USD', 'base': 'EUR', 'quote': 'USD', 'baseId': 'eur', 'quoteId': 'usd', 'maker': 0.005, 'taker': 0.005 },
'XRP/USD': { 'id': 'xrpusd', 'symbol': 'XRP/USD', 'base': 'XRP', 'quote': 'USD', 'baseId': 'xrp', 'quoteId': 'usd', 'maker': 0.005, 'taker': 0.005 },
'XRP/EUR': { 'id': 'xrpeur', 'symbol': 'XRP/EUR', 'base': 'XRP', 'quote': 'EUR', 'baseId': 'xrp', 'quoteId': 'eur', 'maker': 0.005, 'taker': 0.005 },
'XRP/BTC': { 'id': 'xrpbtc', 'symbol': 'XRP/BTC', 'base': 'XRP', 'quote': 'BTC', 'baseId': 'xrp', 'quoteId': 'btc', 'maker': 0.005, 'taker': 0.005 },
'LTC/USD': { 'id': 'ltcusd', 'symbol': 'LTC/USD', 'base': 'LTC', 'quote': 'USD', 'baseId': 'ltc', 'quoteId': 'usd', 'maker': 0.005, 'taker': 0.005 },
'LTC/EUR': { 'id': 'ltceur', 'symbol': 'LTC/EUR', 'base': 'LTC', 'quote': 'EUR', 'baseId': 'ltc', 'quoteId': 'eur', 'maker': 0.005, 'taker': 0.005 },
'LTC/BTC': { 'id': 'ltcbtc', 'symbol': 'LTC/BTC', 'base': 'LTC', 'quote': 'BTC', 'baseId': 'ltc', 'quoteId': 'btc', 'maker': 0.005, 'taker': 0.005 },
'ETH/USD': { 'id': 'ethusd', 'symbol': 'ETH/USD', 'base': 'ETH', 'quote': 'USD', 'baseId': 'eth', 'quoteId': 'usd', 'maker': 0.005, 'taker': 0.005 },
'ETH/EUR': { 'id': 'etheur', 'symbol': 'ETH/EUR', 'base': 'ETH', 'quote': 'EUR', 'baseId': 'eth', 'quoteId': 'eur', 'maker': 0.005, 'taker': 0.005 },
'ETH/BTC': { 'id': 'ethbtc', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC', 'baseId': 'eth', 'quoteId': 'btc', 'maker': 0.005, 'taker': 0.005 },
},
});
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
if (symbol !== 'BTC/USD') {
throw new ExchangeError (this.id + ' ' + this.version + " fetchOrderBook doesn't support " + symbol + ', use it for BTC/USD only');
}
await this.loadMarkets ();
const orderbook = await this.publicGetOrderBook (params);
const timestamp = this.safeTimestamp (orderbook, 'timestamp');
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');
}
await this.loadMarkets ();
const ticker = await this.publicGetTicker (params);
const timestamp = this.safeTimestamp (ticker, 'timestamp');
const vwap = this.safeFloat (ticker, 'vwap');
const baseVolume = this.safeFloat (ticker, 'volume');
let quoteVolume = undefined;
if (baseVolume !== undefined && vwap !== undefined) {
quoteVolume = baseVolume * vwap;
}
const 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': this.safeFloat (ticker, 'open'),
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
parseTrade (trade, market = undefined) {
const timestamp = this.safeTimestamp2 (trade, 'date', 'datetime');
const side = (trade['type'] === 0) ? 'buy' : 'sell';
const orderId = this.safeString (trade, 'order_id');
if ('currency_pair' in trade) {
if (trade['currency_pair'] in this.markets_by_id) {
market = this.markets_by_id[trade['currency_pair']];
}
}
const id = this.safeString (trade, 'tid');
const price = this.safeFloat (trade, 'price');
const amount = this.safeFloat (trade, 'amount');
let cost = undefined;
if (price !== undefined) {
if (amount !== undefined) {
cost = price * amount;
}
}
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
return {
'id': id,
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'order': orderId,
'type': undefined,
'side': side,
'takerOrMaker': undefined,
'price': price,
'amount': amount,
'cost': cost,
'fee': undefined,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
if (symbol !== 'BTC/USD') {
throw new BadSymbol (this.id + ' ' + this.version + " fetchTrades doesn't support " + symbol + ', use it for BTC/USD only');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'time': 'minute',
};
const response = await this.publicGetTransactions (this.extend (request, params));
return this.parseTrades (response, market, since, limit);
}
async fetchBalance (params = {}) {
const balance = await this.privatePostBalance (params);
const result = { 'info': balance };
const codes = Object.keys (this.currencies);
for (let i = 0; i < codes.length; i++) {
const code = codes[i];
const currency = this.currency (code);
const currencyId = currency['id'];
const account = this.account ();
account['free'] = this.safeFloat (balance, currencyId + '_available');
account['used'] = this.safeFloat (balance, currencyId + '_reserved');
account['total'] = this.safeFloat (balance, currencyId + '_balance');
result[code] = 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');
}
await this.loadMarkets ();
const method = 'privatePost' + this.capitalize (side);
const request = {
'amount': amount,
'price': price,
};
const response = await this[method] (this.extend (request, params));
const id = this.safeString (response, 'id');
return {
'info': response,
'id': id,
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.privatePostCancelOrder ({ 'id': id });
}
parseOrderStatus (status) {
const statuses = {
'In Queue': 'open',
'Open': 'open',
'Finished': 'closed',
'Canceled': 'canceled',
};
return this.safeString (statuses, status, status);
}
async fetchOrderStatus (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'id': id,
};
const response = await this.privatePostOrderStatus (this.extend (request, params));
return this.parseOrderStatus (response);
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
}
const pair = market ? market['id'] : 'all';
const request = {
'id': pair,
};
const response = await this.privatePostOpenOrdersId (this.extend (request, params));
return this.parseTrades (response, market, since, limit);
}
async fetchOrder (id, symbol = undefined, params = {}) {
throw new NotSupported (this.id + ' fetchOrder is not implemented yet');
}
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 ();
const nonce = this.nonce ().toString ();
const auth = nonce + this.uid + this.apiKey;
const 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) {
const 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;
}
};