ccxt-compiled
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A JavaScript / Python / PHP cryptocurrency trading library with support for 90+ exchanges
293 lines (260 loc) • 11 kB
JavaScript
;
// ---------------------------------------------------------------------------
var _keys = require('babel-runtime/core-js/object/keys');
var _keys2 = _interopRequireDefault(_keys);
var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const Exchange = require('./base/Exchange');
const { ExchangeError } = require('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class exmo extends Exchange {
describe() {
return this.deepExtend(super.describe(), {
'id': 'exmo',
'name': 'EXMO',
'countries': ['ES', 'RU'], // Spain, Russia
'rateLimit': 1000, // once every 350 ms ≈ 180 requests per minute ≈ 3 requests per second
'version': 'v1',
'hasCORS': false,
'hasFetchTickers': true,
'hasWithdraw': true,
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27766491-1b0ea956-5eda-11e7-9225-40d67b481b8d.jpg',
'api': 'https://api.exmo.com',
'www': 'https://exmo.me',
'doc': ['https://exmo.me/en/api_doc', 'https://github.com/exmo-dev/exmo_api_lib/tree/master/nodejs']
},
'api': {
'public': {
'get': ['currency', 'order_book', 'pair_settings', 'ticker', 'trades']
},
'private': {
'post': ['user_info', 'order_create', 'order_cancel', 'user_open_orders', 'user_trades', 'user_cancelled_orders', 'order_trades', 'required_amount', 'deposit_address', 'withdraw_crypt', 'withdraw_get_txid', 'excode_create', 'excode_load', 'wallet_history']
}
},
'fees': {
'trading': {
'maker': 0.2 / 100,
'taker': 0.2 / 100
}
}
});
}
fetchMarkets() {
var _this = this;
return (0, _asyncToGenerator3.default)(function* () {
let markets = yield _this.publicGetPairSettings();
let keys = (0, _keys2.default)(markets);
let result = [];
for (let p = 0; p < keys.length; p++) {
let id = keys[p];
let market = markets[id];
let symbol = id.replace('_', '/');
let [base, quote] = symbol.split('/');
result.push({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'limits': {
'amount': {
'min': market['min_quantity'],
'max': market['max_quantity']
},
'price': {
'min': market['min_price'],
'max': market['max_price']
},
'cost': {
'min': market['min_amount'],
'max': market['max_amount']
}
},
'precision': {
'amount': 8,
'price': 8
},
'info': market
});
}
return result;
})();
}
fetchBalance(params = {}) {
var _this2 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this2.loadMarkets();
let response = yield _this2.privatePostUserInfo();
let result = { 'info': response };
let currencies = (0, _keys2.default)(_this2.currencies);
for (let i = 0; i < currencies.length; i++) {
let currency = currencies[i];
let account = _this2.account();
if (currency in response['balances']) account['free'] = parseFloat(response['balances'][currency]);
if (currency in response['reserved']) account['used'] = parseFloat(response['reserved'][currency]);
account['total'] = _this2.sum(account['free'], account['used']);
result[currency] = account;
}
return _this2.parseBalance(result);
})();
}
fetchOrderBook(symbol, params = {}) {
var _this3 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this3.loadMarkets();
let market = _this3.market(symbol);
let response = yield _this3.publicGetOrderBook(_this3.extend({
'pair': market['id']
}, params));
let orderbook = response[market['id']];
return _this3.parseOrderBook(orderbook, undefined, 'bid', 'ask');
})();
}
parseTicker(ticker, market = undefined) {
let timestamp = ticker['updated'] * 1000;
let symbol = undefined;
if (market) symbol = market['symbol'];
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601(timestamp),
'high': parseFloat(ticker['high']),
'low': parseFloat(ticker['low']),
'bid': parseFloat(ticker['buy_price']),
'ask': parseFloat(ticker['sell_price']),
'vwap': undefined,
'open': undefined,
'close': undefined,
'first': undefined,
'last': parseFloat(ticker['last_trade']),
'change': undefined,
'percentage': undefined,
'average': parseFloat(ticker['avg']),
'baseVolume': parseFloat(ticker['vol']),
'quoteVolume': parseFloat(ticker['vol_curr']),
'info': ticker
};
}
fetchTickers(symbols = undefined, params = {}) {
var _this4 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this4.loadMarkets();
let response = yield _this4.publicGetTicker(params);
let result = {};
let ids = (0, _keys2.default)(response);
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let market = _this4.markets_by_id[id];
let symbol = market['symbol'];
let ticker = response[id];
result[symbol] = _this4.parseTicker(ticker, market);
}
return result;
})();
}
fetchTicker(symbol, params = {}) {
var _this5 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this5.loadMarkets();
let response = yield _this5.publicGetTicker(params);
let market = _this5.market(symbol);
return _this5.parseTicker(response[market['id']], market);
})();
}
parseTrade(trade, market) {
let timestamp = trade['date'] * 1000;
return {
'id': trade['trade_id'].toString(),
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601(timestamp),
'symbol': market['symbol'],
'order': undefined,
'type': undefined,
'side': trade['type'],
'price': parseFloat(trade['price']),
'amount': parseFloat(trade['quantity'])
};
}
fetchTrades(symbol, since = undefined, limit = undefined, params = {}) {
var _this6 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this6.loadMarkets();
let market = _this6.market(symbol);
let response = yield _this6.publicGetTrades(_this6.extend({
'pair': market['id']
}, params));
return _this6.parseTrades(response[market['id']], market, since, limit);
})();
}
createOrder(symbol, type, side, amount, price = undefined, params = {}) {
var _this7 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this7.loadMarkets();
let prefix = '';
if (type == 'market') prefix = 'market_';
if (typeof price == 'undefined') price = 0;
let order = {
'pair': _this7.marketId(symbol),
'quantity': amount,
'price': price,
'type': prefix + side
};
let response = yield _this7.privatePostOrderCreate(_this7.extend(order, params));
return {
'info': response,
'id': response['order_id'].toString()
};
})();
}
cancelOrder(id, symbol = undefined, params = {}) {
var _this8 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this8.loadMarkets();
return yield _this8.privatePostOrderCancel({ 'order_id': id });
})();
}
withdraw(currency, amount, address, params = {}) {
var _this9 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this9.loadMarkets();
let result = yield _this9.privatePostWithdrawCrypt(_this9.extend({
'amount': amount,
'currency': currency,
'address': address
}, params));
return {
'info': result,
'id': result['task_id']
};
})();
}
sign(path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'] + '/' + this.version + '/' + path;
if (api == 'public') {
if ((0, _keys2.default)(params).length) url += '?' + this.urlencode(params);
} else {
this.checkRequiredCredentials();
let nonce = this.nonce();
body = this.urlencode(this.extend({ 'nonce': nonce }, params));
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'Key': this.apiKey,
'Sign': this.hmac(this.encode(body), this.encode(this.secret), 'sha512')
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
request(path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
var _this10 = this;
return (0, _asyncToGenerator3.default)(function* () {
let response = yield _this10.fetch2(path, api, method, params, headers, body);
if ('result' in response) {
if (response['result']) return response;
throw new ExchangeError(_this10.id + ' ' + _this10.json(response));
}
return response;
})();
}
};