ccxt-compiled
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 90+ exchanges
547 lines (502 loc) • 22.4 kB
JavaScript
"use strict";
// ---------------------------------------------------------------------------
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, AuthenticationError, NotSupported, InvalidOrder, OrderNotFound } = require('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class livecoin extends Exchange {
describe() {
return this.deepExtend(super.describe(), {
'id': 'livecoin',
'name': 'LiveCoin',
'countries': ['US', 'UK', 'RU'],
'rateLimit': 1000,
'hasCORS': false,
// obsolete metainfo interface
'hasFetchTickers': true,
'hasFetchCurrencies': true,
// new metainfo interface
'has': {
'fetchTickers': true,
'fetchCurrencies': true
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27980768-f22fc424-638a-11e7-89c9-6010a54ff9be.jpg',
'api': 'https://api.livecoin.net',
'www': 'https://www.livecoin.net',
'doc': 'https://www.livecoin.net/api?lang=en'
},
'api': {
'public': {
'get': ['exchange/all/order_book', 'exchange/last_trades', 'exchange/maxbid_minask', 'exchange/order_book', 'exchange/restrictions', 'exchange/ticker', // omit params to get all tickers at once
'info/coinInfo']
},
'private': {
'get': ['exchange/client_orders', 'exchange/order', 'exchange/trades', 'exchange/commission', 'exchange/commissionCommonInfo', 'payment/balances', 'payment/balance', 'payment/get/address', 'payment/history/size', 'payment/history/transactions'],
'post': ['exchange/buylimit', 'exchange/buymarket', 'exchange/cancellimit', 'exchange/selllimit', 'exchange/sellmarket', 'payment/out/capitalist', 'payment/out/card', 'payment/out/coin', 'payment/out/okpay', 'payment/out/payeer', 'payment/out/perfectmoney', 'payment/voucher/amount', 'payment/voucher/make', 'payment/voucher/redeem']
}
},
'fees': {
'trading': {
'tierBased': false,
'percentage': true,
'maker': 0.18 / 100,
'taker': 0.18 / 100
}
}
});
}
fetchMarkets() {
var _this = this;
return (0, _asyncToGenerator3.default)(function* () {
let markets = yield _this.publicGetExchangeTicker();
let restrictions = yield _this.publicGetExchangeRestrictions();
let restrictionsById = _this.indexBy(restrictions['restrictions'], 'currencyPair');
let result = [];
for (let p = 0; p < markets.length; p++) {
let market = markets[p];
let id = market['symbol'];
let symbol = id;
let [base, quote] = symbol.split('/');
let coinRestrictions = _this.safeValue(restrictionsById, symbol);
let precision = {
'price': 5,
'amount': 8,
'cost': 8
};
let limits = {
'amount': {
'min': Math.pow(10, -precision['amount']),
'max': Math.pow(10, precision['amount'])
}
};
if (coinRestrictions) {
precision['price'] = _this.safeInteger(coinRestrictions, 'priceScale', 5);
limits['amount']['min'] = _this.safeFloat(coinRestrictions, 'minLimitQuantity', limits['amount']['min']);
}
limits['price'] = {
'min': Math.pow(10, -precision['price']),
'max': Math.pow(10, precision['price'])
};
result.push(_this.extend(_this.fees['trading'], {
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'precision': precision,
'limits': limits,
'info': market
}));
}
return result;
})();
}
fetchCurrencies(params = {}) {
var _this2 = this;
return (0, _asyncToGenerator3.default)(function* () {
let response = yield _this2.publicGetInfoCoinInfo(params);
let currencies = response['info'];
let result = {};
for (let i = 0; i < currencies.length; i++) {
let currency = currencies[i];
let id = currency['symbol'];
// todo: will need to rethink the fees
// to add support for multiple withdrawal/deposit methods and
// differentiated fees for each particular method
let code = _this2.commonCurrencyCode(id);
let precision = 8; // default precision, todo: fix "magic constants"
let active = currency['walletStatus'] == 'normal';
result[code] = {
'id': id,
'code': code,
'info': currency,
'name': currency['name'],
'active': active,
'status': 'ok',
'fee': currency['withdrawFee'], // todo: redesign
'precision': precision,
'limits': {
'amount': {
'min': currency['minOrderAmount'],
'max': Math.pow(10, precision)
},
'price': {
'min': Math.pow(10, -precision),
'max': Math.pow(10, precision)
},
'cost': {
'min': currency['minOrderAmount'],
'max': undefined
},
'withdraw': {
'min': currency['minWithdrawAmount'],
'max': Math.pow(10, precision)
},
'deposit': {
'min': currency['minDepositAmount'],
'max': undefined
}
}
};
}
return result;
})();
}
fetchBalance(params = {}) {
var _this3 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this3.loadMarkets();
let balances = yield _this3.privateGetPaymentBalances();
let result = { 'info': balances };
for (let b = 0; b < balances.length; b++) {
let balance = balances[b];
let currency = balance['currency'];
let account = undefined;
if (currency in result) account = result[currency];else account = _this3.account();
if (balance['type'] == 'total') account['total'] = parseFloat(balance['value']);
if (balance['type'] == 'available') account['free'] = parseFloat(balance['value']);
if (balance['type'] == 'trade') account['used'] = parseFloat(balance['value']);
result[currency] = account;
}
return _this3.parseBalance(result);
})();
}
fetchFees(params = {}) {
var _this4 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this4.loadMarkets();
let commissionInfo = yield _this4.privateGetExchangeCommissionCommonInfo();
let commission = _this4.safeFloat(commissionInfo, 'commission');
return {
'info': commissionInfo,
'maker': commission,
'taker': commission,
'withdraw': 0.0
};
})();
}
fetchOrderBook(symbol, params = {}) {
var _this5 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this5.loadMarkets();
let orderbook = yield _this5.publicGetExchangeOrderBook(_this5.extend({
'currencyPair': _this5.marketId(symbol),
'groupByPrice': 'false',
'depth': 100
}, params));
let timestamp = orderbook['timestamp'];
return _this5.parseOrderBook(orderbook, timestamp);
})();
}
parseTicker(ticker, market = undefined) {
let timestamp = this.milliseconds();
let symbol = undefined;
if (market) symbol = market['symbol'];
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['best_bid']),
'ask': parseFloat(ticker['best_ask']),
'vwap': parseFloat(ticker['vwap']),
'open': undefined,
'close': undefined,
'first': undefined,
'last': parseFloat(ticker['last']),
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker
};
}
fetchTickers(symbols = undefined, params = {}) {
var _this6 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this6.loadMarkets();
let response = yield _this6.publicGetExchangeTicker(params);
let tickers = _this6.indexBy(response, 'symbol');
let ids = (0, _keys2.default)(tickers);
let result = {};
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let market = _this6.markets_by_id[id];
let symbol = market['symbol'];
let ticker = tickers[id];
result[symbol] = _this6.parseTicker(ticker, market);
}
return result;
})();
}
fetchTicker(symbol, params = {}) {
var _this7 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this7.loadMarkets();
let market = _this7.market(symbol);
let ticker = yield _this7.publicGetExchangeTicker(_this7.extend({
'currencyPair': market['id']
}, params));
return _this7.parseTicker(ticker, market);
})();
}
parseTrade(trade, market) {
let timestamp = trade['time'] * 1000;
return {
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601(timestamp),
'symbol': market['symbol'],
'id': trade['id'].toString(),
'order': undefined,
'type': undefined,
'side': trade['type'].toLowerCase(),
'price': trade['price'],
'amount': trade['quantity']
};
}
fetchTrades(symbol, since = undefined, limit = undefined, params = {}) {
var _this8 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this8.loadMarkets();
let market = _this8.market(symbol);
let response = yield _this8.publicGetExchangeLastTrades(_this8.extend({
'currencyPair': market['id']
}, params));
return _this8.parseTrades(response, market, since, limit);
})();
}
parseOrder(order, market = undefined) {
let timestamp = this.safeInteger(order, 'lastModificationTime');
if (!timestamp) timestamp = this.parse8601(order['lastModificationTime']);
let trades = undefined;
if ('trades' in order)
// TODO currently not supported by livecoin
// trades = this.parseTrades (order['trades'], market, since, limit);
trades = undefined;
let status = undefined;
if (order['orderStatus'] == 'OPEN' || order['orderStatus'] == 'PARTIALLY_FILLED') {
status = 'open';
} else if (order['orderStatus'] == 'EXECUTED' || order['orderStatus'] == 'PARTIALLY_FILLED_AND_CANCELLED') {
status = 'closed';
} else {
status = 'canceled';
}
let symbol = order['currencyPair'];
let [base, quote] = symbol.split('/');
let type = undefined;
let side = undefined;
if (order['type'].indexOf('MARKET') >= 0) {
type = 'market';
} else {
type = 'limit';
}
if (order['type'].indexOf('SELL') >= 0) {
side = 'sell';
} else {
side = 'buy';
}
let price = this.safeFloat(order, 'price', 0.0);
let cost = this.safeFloat(order, 'commissionByTrade', 0.0);
let remaining = this.safeFloat(order, 'remainingQuantity', 0.0);
let amount = this.safeFloat(order, 'quantity', remaining);
let filled = amount - remaining;
return {
'info': order,
'id': order['id'],
'timestamp': timestamp,
'datetime': this.iso8601(timestamp),
'status': status,
'symbol': symbol,
'type': type,
'side': side,
'price': price,
'cost': cost,
'amount': amount,
'filled': filled,
'remaining': remaining,
'trades': trades,
'fee': {
'cost': cost,
'currency': quote
}
};
}
fetchOrders(symbol = undefined, since = undefined, limit = undefined, params = {}) {
var _this9 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this9.loadMarkets();
let market = undefined;
if (symbol) market = _this9.market(symbol);
let pair = market ? market['id'] : undefined;
let request = {};
if (pair) request['currencyPair'] = pair;
if (since) request['issuedFrom'] = parseInt(since);
if (limit) request['endRow'] = limit - 1;
let response = yield _this9.privateGetExchangeClientOrders(_this9.extend(request, params));
let result = [];
let rawOrders = [];
if (response['data']) rawOrders = response['data'];
for (let i = 0; i < rawOrders.length; i++) {
let order = rawOrders[i];
result.push(_this9.parseOrder(order, market));
}
return result;
})();
}
fetchOpenOrders(symbol = undefined, since = undefined, limit = undefined, params = {}) {
var _this10 = this;
return (0, _asyncToGenerator3.default)(function* () {
let result = yield _this10.fetchOrders(symbol, since, limit, _this10.extend({
'openClosed': 'OPEN'
}, params));
return result;
})();
}
fetchClosedOrders(symbol = undefined, since = undefined, limit = undefined, params = {}) {
var _this11 = this;
return (0, _asyncToGenerator3.default)(function* () {
let result = yield _this11.fetchOrders(symbol, since, limit, _this11.extend({
'openClosed': 'CLOSED'
}, params));
return result;
})();
}
createOrder(symbol, type, side, amount, price = undefined, params = {}) {
var _this12 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this12.loadMarkets();
let method = 'privatePostExchange' + _this12.capitalize(side) + type;
let market = _this12.market(symbol);
let order = {
'quantity': _this12.amountToPrecision(symbol, amount),
'currencyPair': market['id']
};
if (type == 'limit') order['price'] = _this12.priceToPrecision(symbol, price);
let response = yield _this12[method](_this12.extend(order, params));
return {
'info': response,
'id': response['orderId'].toString()
};
})();
}
cancelOrder(id, symbol = undefined, params = {}) {
var _this13 = this;
return (0, _asyncToGenerator3.default)(function* () {
if (!symbol) throw new ExchangeError(_this13.id + ' cancelOrder requires a symbol argument');
yield _this13.loadMarkets();
let market = _this13.market(symbol);
let currencyPair = market['id'];
let response = yield _this13.privatePostExchangeCancellimit(_this13.extend({
'orderId': id,
'currencyPair': currencyPair
}, params));
let message = _this13.safeString(response, 'message', _this13.json(response));
if ('success' in response) {
if (!response['success']) {
throw new InvalidOrder(message);
} else if ('cancelled' in response) {
if (response['cancelled']) {
return response;
} else {
throw new OrderNotFound(message);
}
}
}
throw new ExchangeError(_this13.id + ' cancelOrder() failed: ' + _this13.json(response));
})();
}
fetchDepositAddress(currency, params = {}) {
var _this14 = this;
return (0, _asyncToGenerator3.default)(function* () {
let request = {
'currency': currency
};
let response = yield _this14.privateGetPaymentGetAddress(_this14.extend(request, params));
let address = _this14.safeString(response, 'wallet');
return {
'currency': currency,
'address': address,
'status': 'ok',
'info': response
};
})();
}
sign(path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'] + '/' + path;
let query = this.urlencode(this.keysort(params));
if (method == 'GET') {
if ((0, _keys2.default)(params).length) {
url += '?' + query;
}
}
if (api == 'private') {
this.checkRequiredCredentials();
if (method == 'POST') body = query;
let signature = this.hmac(this.encode(query), this.encode(this.secret), 'sha256');
headers = {
'Api-Key': this.apiKey,
'Sign': signature.toUpperCase(),
'Content-Type': 'application/x-www-form-urlencoded'
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
handleErrors(code, reason, url, method, headers, body) {
if (code >= 300) {
if (body[0] == "{") {
let response = JSON.parse(body);
if ('errorCode' in response) {
let error = response['errorCode'];
if (error == 1) {
throw new ExchangeError(this.id + ' ' + this.json(response));
} else if (error == 2) {
if ('errorMessage' in response) {
if (response['errorMessage'] == 'User not found') throw new AuthenticationError(this.id + ' ' + response['errorMessage']);
} else {
throw new ExchangeError(this.id + ' ' + this.json(response));
}
} else if (error == 10 || error == 11 || error == 12 || error == 20 || error == 30 || error == 101 || error == 102) {
throw new AuthenticationError(this.id + ' ' + this.json(response));
} else if (error == 31) {
throw new NotSupported(this.id + ' ' + this.json(response));
} else if (error == 32) {
throw new ExchangeError(this.id + ' ' + this.json(response));
} else if (error == 100) {
throw new ExchangeError(this.id + ': Invalid parameters ' + this.json(response));
} else if (error == 103) {
throw new InvalidOrder(this.id + ': Invalid currency ' + this.json(response));
} else if (error == 104) {
throw new InvalidOrder(this.id + ': Invalid amount ' + this.json(response));
} else if (error == 105) {
throw new InvalidOrder(this.id + ': Unable to block funds ' + this.json(response));
} else {
throw new ExchangeError(this.id + ' ' + this.json(response));
}
}
}
throw new ExchangeError(this.id + ' ' + body);
}
}
request(path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
var _this15 = this;
return (0, _asyncToGenerator3.default)(function* () {
let response = yield _this15.fetch2(path, api, method, params, headers, body);
if ('success' in response) {
if (!response['success']) {
throw new ExchangeError(_this15.id + ' error: ' + _this15.json(response));
}
}
return response;
})();
}
};