657 lines
25 KiB
JavaScript
657 lines
25 KiB
JavaScript
'use strict';
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
const Exchange = require ('./base/Exchange');
|
|
const { ExchangeError, DDoSProtection, AuthenticationError, InvalidOrder } = require ('./base/errors');
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
module.exports = class lbank extends Exchange {
|
|
describe () {
|
|
return this.deepExtend (super.describe (), {
|
|
'id': 'lbank',
|
|
'name': 'LBank',
|
|
'countries': [ 'CN' ],
|
|
'version': 'v1',
|
|
'has': {
|
|
'fetchTickers': true,
|
|
'fetchOHLCV': true,
|
|
'fetchOrder': true,
|
|
'fetchOrders': true,
|
|
'fetchOpenOrders': false, // status 0 API doesn't work
|
|
'fetchClosedOrders': true,
|
|
},
|
|
'timeframes': {
|
|
'1m': 'minute1',
|
|
'5m': 'minute5',
|
|
'15m': 'minute15',
|
|
'30m': 'minute30',
|
|
'1h': 'hour1',
|
|
'2h': 'hour2',
|
|
'4h': 'hour4',
|
|
'6h': 'hour6',
|
|
'8h': 'hour8',
|
|
'12h': 'hour12',
|
|
'1d': 'day1',
|
|
'1w': 'week1',
|
|
},
|
|
'urls': {
|
|
'logo': 'https://user-images.githubusercontent.com/1294454/38063602-9605e28a-3302-11e8-81be-64b1e53c4cfb.jpg',
|
|
'api': 'https://api.lbank.info',
|
|
'www': 'https://www.lbank.info',
|
|
'doc': 'https://github.com/LBank-exchange/lbank-official-api-docs',
|
|
'fees': 'https://lbankinfo.zendesk.com/hc/en-gb/articles/360012072873-Trading-Fees',
|
|
'referral': 'https://www.lbex.io/invite?icode=7QCY',
|
|
},
|
|
'api': {
|
|
'public': {
|
|
'get': [
|
|
'currencyPairs',
|
|
'ticker',
|
|
'depth',
|
|
'trades',
|
|
'kline',
|
|
'accuracy',
|
|
],
|
|
},
|
|
'private': {
|
|
'post': [
|
|
'user_info',
|
|
'create_order',
|
|
'cancel_order',
|
|
'orders_info',
|
|
'orders_info_history',
|
|
'withdraw',
|
|
'withdrawCancel',
|
|
'withdraws',
|
|
'withdrawConfigs',
|
|
],
|
|
},
|
|
},
|
|
'fees': {
|
|
'trading': {
|
|
'maker': 0.1 / 100,
|
|
'taker': 0.1 / 100,
|
|
},
|
|
'funding': {
|
|
'withdraw': {
|
|
'BTC': undefined,
|
|
'ZEC': 0.01,
|
|
'ETH': 0.01,
|
|
'ETC': 0.01,
|
|
// 'QTUM': amount => Math.max (0.01, amount * (0.1 / 100)),
|
|
'VEN': 10.0,
|
|
'BCH': 0.0002,
|
|
'SC': 50.0,
|
|
'BTM': 20.0,
|
|
'NAS': 1.0,
|
|
'EOS': 1.0,
|
|
'XWC': 5.0,
|
|
'BTS': 1.0,
|
|
'INK': 10.0,
|
|
'BOT': 3.0,
|
|
'YOYOW': 15.0,
|
|
'TGC': 10.0,
|
|
'NEO': 0.0,
|
|
'CMT': 20.0,
|
|
'SEER': 2000.0,
|
|
'FIL': undefined,
|
|
'BTG': undefined,
|
|
},
|
|
},
|
|
},
|
|
'commonCurrencies': {
|
|
'VET_ERC20': 'VEN',
|
|
},
|
|
'options': {
|
|
'cacheSecretAsPem': true,
|
|
},
|
|
});
|
|
}
|
|
|
|
async fetchMarkets (params = {}) {
|
|
const response = await this.publicGetAccuracy (params);
|
|
const result = [];
|
|
for (let i = 0; i < response.length; i++) {
|
|
const market = response[i];
|
|
const id = market['symbol'];
|
|
const parts = id.split ('_');
|
|
let baseId = undefined;
|
|
let quoteId = undefined;
|
|
const numParts = parts.length;
|
|
// lbank will return symbols like "vet_erc20_usdt"
|
|
if (numParts > 2) {
|
|
baseId = parts[0] + '_' + parts[1];
|
|
quoteId = parts[2];
|
|
} else {
|
|
baseId = parts[0];
|
|
quoteId = parts[1];
|
|
}
|
|
const base = this.safeCurrencyCode (baseId);
|
|
const quote = this.safeCurrencyCode (quoteId);
|
|
const symbol = base + '/' + quote;
|
|
const precision = {
|
|
'amount': this.safeInteger (market, 'quantityAccuracy'),
|
|
'price': this.safeInteger (market, 'priceAccuracy'),
|
|
};
|
|
result.push ({
|
|
'id': id,
|
|
'symbol': symbol,
|
|
'base': base,
|
|
'quote': quote,
|
|
'baseId': baseId,
|
|
'quoteId': quoteId,
|
|
'active': true,
|
|
'precision': precision,
|
|
'limits': {
|
|
'amount': {
|
|
'min': Math.pow (10, -precision['amount']),
|
|
'max': undefined,
|
|
},
|
|
'price': {
|
|
'min': Math.pow (10, -precision['price']),
|
|
'max': Math.pow (10, precision['price']),
|
|
},
|
|
'cost': {
|
|
'min': undefined,
|
|
'max': undefined,
|
|
},
|
|
},
|
|
'info': id,
|
|
});
|
|
}
|
|
return result;
|
|
}
|
|
|
|
parseTicker (ticker, market = undefined) {
|
|
let symbol = undefined;
|
|
if (market === undefined) {
|
|
const marketId = this.safeString (ticker, 'symbol');
|
|
if (marketId in this.markets_by_id) {
|
|
const market = this.marketsById[marketId];
|
|
symbol = market['symbol'];
|
|
} else {
|
|
const parts = marketId.split ('_');
|
|
let baseId = undefined;
|
|
let quoteId = undefined;
|
|
const numParts = parts.length;
|
|
// lbank will return symbols like "vet_erc20_usdt"
|
|
if (numParts > 2) {
|
|
baseId = parts[0] + '_' + parts[1];
|
|
quoteId = parts[2];
|
|
} else {
|
|
baseId = parts[0];
|
|
quoteId = parts[1];
|
|
}
|
|
const base = this.safeCurrencyCode (baseId);
|
|
const quote = this.safeCurrencyCode (quoteId);
|
|
symbol = base + '/' + quote;
|
|
}
|
|
}
|
|
const timestamp = this.safeInteger (ticker, 'timestamp');
|
|
const info = ticker;
|
|
ticker = info['ticker'];
|
|
const last = this.safeFloat (ticker, 'latest');
|
|
const percentage = this.safeFloat (ticker, 'change');
|
|
let open = undefined;
|
|
if (percentage !== undefined) {
|
|
const relativeChange = this.sum (1, percentage / 100);
|
|
if (relativeChange > 0) {
|
|
open = last / this.sum (1, relativeChange);
|
|
}
|
|
}
|
|
let change = undefined;
|
|
let average = undefined;
|
|
if (last !== undefined && open !== undefined) {
|
|
change = last - open;
|
|
average = this.sum (last, open) / 2;
|
|
}
|
|
if (market !== undefined) {
|
|
symbol = market['symbol'];
|
|
}
|
|
return {
|
|
'symbol': symbol,
|
|
'timestamp': timestamp,
|
|
'datetime': this.iso8601 (timestamp),
|
|
'high': this.safeFloat (ticker, 'high'),
|
|
'low': this.safeFloat (ticker, 'low'),
|
|
'bid': undefined,
|
|
'bidVolume': undefined,
|
|
'ask': undefined,
|
|
'askVolume': undefined,
|
|
'vwap': undefined,
|
|
'open': undefined,
|
|
'close': last,
|
|
'last': last,
|
|
'previousClose': undefined,
|
|
'change': change,
|
|
'percentage': percentage,
|
|
'average': average,
|
|
'baseVolume': this.safeFloat (ticker, 'vol'),
|
|
'quoteVolume': this.safeFloat (ticker, 'turnover'),
|
|
'info': info,
|
|
};
|
|
}
|
|
|
|
async fetchTicker (symbol, params = {}) {
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
const request = {
|
|
'symbol': market['id'],
|
|
};
|
|
const response = await this.publicGetTicker (this.extend (request, params));
|
|
return this.parseTicker (response, market);
|
|
}
|
|
|
|
async fetchTickers (symbols = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const request = {
|
|
'symbol': 'all',
|
|
};
|
|
const response = await this.publicGetTicker (this.extend (request, params));
|
|
const result = {};
|
|
for (let i = 0; i < response.length; i++) {
|
|
const ticker = this.parseTicker (response[i]);
|
|
const symbol = ticker['symbol'];
|
|
result[symbol] = ticker;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
async fetchOrderBook (symbol, limit = 60, params = {}) {
|
|
await this.loadMarkets ();
|
|
let size = 60;
|
|
if (limit !== undefined) {
|
|
size = Math.min (limit, size);
|
|
}
|
|
const request = {
|
|
'symbol': this.marketId (symbol),
|
|
'size': size,
|
|
};
|
|
const response = await this.publicGetDepth (this.extend (request, params));
|
|
return this.parseOrderBook (response);
|
|
}
|
|
|
|
parseTrade (trade, market = undefined) {
|
|
let symbol = undefined;
|
|
if (market !== undefined) {
|
|
symbol = market['symbol'];
|
|
}
|
|
const timestamp = this.safeInteger (trade, 'date_ms');
|
|
const price = this.safeFloat (trade, 'price');
|
|
const amount = this.safeFloat (trade, 'amount');
|
|
let cost = undefined;
|
|
if (price !== undefined) {
|
|
if (amount !== undefined) {
|
|
cost = parseFloat (this.costToPrecision (symbol, price * amount));
|
|
}
|
|
}
|
|
const id = this.safeString (trade, 'tid');
|
|
const type = undefined;
|
|
const side = this.safeString (trade, 'type');
|
|
return {
|
|
'id': id,
|
|
'info': this.safeValue (trade, 'info', trade),
|
|
'timestamp': timestamp,
|
|
'datetime': this.iso8601 (timestamp),
|
|
'symbol': symbol,
|
|
'order': undefined,
|
|
'type': type,
|
|
'side': side,
|
|
'takerOrMaker': undefined,
|
|
'price': price,
|
|
'amount': amount,
|
|
'cost': cost,
|
|
'fee': undefined,
|
|
};
|
|
}
|
|
|
|
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
const request = {
|
|
'symbol': market['id'],
|
|
'size': 100,
|
|
};
|
|
if (since !== undefined) {
|
|
request['time'] = parseInt (since);
|
|
}
|
|
if (limit !== undefined) {
|
|
request['size'] = limit;
|
|
}
|
|
const response = await this.publicGetTrades (this.extend (request, params));
|
|
return this.parseTrades (response, market, since, limit);
|
|
}
|
|
|
|
parseOHLCV (ohlcv, market = undefined, timeframe = '1m', since = undefined, limit = undefined) {
|
|
return [
|
|
ohlcv[0] * 1000,
|
|
ohlcv[1],
|
|
ohlcv[2],
|
|
ohlcv[3],
|
|
ohlcv[4],
|
|
ohlcv[5],
|
|
];
|
|
}
|
|
|
|
async fetchOHLCV (symbol, timeframe = '5m', since = undefined, limit = 1000, params = {}) {
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
if (since === undefined) {
|
|
throw new ExchangeError (this.id + ' fetchOHLCV requires a `since` argument');
|
|
}
|
|
if (limit === undefined) {
|
|
throw new ExchangeError (this.id + ' fetchOHLCV requires a `limit` argument');
|
|
}
|
|
const request = {
|
|
'symbol': market['id'],
|
|
'type': this.timeframes[timeframe],
|
|
'size': limit,
|
|
'time': parseInt (since / 1000),
|
|
};
|
|
const response = await this.publicGetKline (this.extend (request, params));
|
|
return this.parseOHLCVs (response, market, timeframe, since, limit);
|
|
}
|
|
|
|
async fetchBalance (params = {}) {
|
|
await this.loadMarkets ();
|
|
const response = await this.privatePostUserInfo (params);
|
|
//
|
|
// {
|
|
// "result":"true",
|
|
// "info":{
|
|
// "freeze":{
|
|
// "iog":"0.00000000",
|
|
// "ssc":"0.00000000",
|
|
// "eon":"0.00000000",
|
|
// },
|
|
// "asset":{
|
|
// "iog":"0.00000000",
|
|
// "ssc":"0.00000000",
|
|
// "eon":"0.00000000",
|
|
// },
|
|
// "free":{
|
|
// "iog":"0.00000000",
|
|
// "ssc":"0.00000000",
|
|
// "eon":"0.00000000",
|
|
// },
|
|
// }
|
|
// }
|
|
//
|
|
const result = { 'info': response };
|
|
const info = this.safeValue (response, 'info', {});
|
|
const free = this.safeValue (info, 'free', {});
|
|
const freeze = this.safeValue (info, 'freeze', {});
|
|
const asset = this.safeValue (info, 'asset', {});
|
|
const currencyIds = Object.keys (free);
|
|
for (let i = 0; i < currencyIds.length; i++) {
|
|
const currencyId = currencyIds[i];
|
|
const code = this.safeCurrencyCode (currencyId);
|
|
const account = this.account ();
|
|
account['free'] = this.safeFloat (free, currencyId);
|
|
account['used'] = this.safeFloat (freeze, currencyId);
|
|
account['total'] = this.safeFloat (asset, currencyId);
|
|
result[code] = account;
|
|
}
|
|
return this.parseBalance (result);
|
|
}
|
|
|
|
parseOrderStatus (status) {
|
|
const statuses = {
|
|
'-1': 'cancelled', // cancelled
|
|
'0': 'open', // not traded
|
|
'1': 'open', // partial deal
|
|
'2': 'closed', // complete deal
|
|
'4': 'closed', // disposal processing
|
|
};
|
|
return this.safeString (statuses, status);
|
|
}
|
|
|
|
parseOrder (order, market = undefined) {
|
|
let symbol = undefined;
|
|
const responseMarket = this.safeValue (this.marketsById, order['symbol']);
|
|
if (responseMarket !== undefined) {
|
|
symbol = responseMarket['symbol'];
|
|
} else if (market !== undefined) {
|
|
symbol = market['symbol'];
|
|
}
|
|
const timestamp = this.safeInteger (order, 'create_time');
|
|
// Limit Order Request Returns: Order Price
|
|
// Market Order Returns: cny amount of market order
|
|
const price = this.safeFloat (order, 'price');
|
|
const amount = this.safeFloat (order, 'amount', 0.0);
|
|
const filled = this.safeFloat (order, 'deal_amount', 0.0);
|
|
const av_price = this.safeFloat (order, 'avg_price');
|
|
let cost = undefined;
|
|
if (av_price !== undefined) {
|
|
cost = filled * av_price;
|
|
}
|
|
const status = this.parseOrderStatus (this.safeString (order, 'status'));
|
|
const id = this.safeString (order, 'order_id');
|
|
const type = this.safeString (order, 'order_type');
|
|
const side = this.safeString (order, 'type');
|
|
let remaining = undefined;
|
|
if (amount !== undefined) {
|
|
if (filled !== undefined) {
|
|
remaining = amount - filled;
|
|
}
|
|
}
|
|
return {
|
|
'id': id,
|
|
'datetime': this.iso8601 (timestamp),
|
|
'timestamp': timestamp,
|
|
'lastTradeTimestamp': undefined,
|
|
'status': status,
|
|
'symbol': symbol,
|
|
'type': type,
|
|
'side': side,
|
|
'price': price,
|
|
'cost': cost,
|
|
'amount': amount,
|
|
'filled': filled,
|
|
'remaining': remaining,
|
|
'trades': undefined,
|
|
'fee': undefined,
|
|
'info': this.safeValue (order, 'info', order),
|
|
};
|
|
}
|
|
|
|
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
let order = {
|
|
'symbol': market['id'],
|
|
'type': side,
|
|
'amount': amount,
|
|
};
|
|
if (type === 'market') {
|
|
order['type'] += '_market';
|
|
} else {
|
|
order['price'] = price;
|
|
}
|
|
const response = await this.privatePostCreateOrder (this.extend (order, params));
|
|
order = this.omit (order, 'type');
|
|
order['order_id'] = response['order_id'];
|
|
order['type'] = side;
|
|
order['order_type'] = type;
|
|
order['create_time'] = this.milliseconds ();
|
|
order['info'] = response;
|
|
order = this.parseOrder (order, market);
|
|
const id = order['id'];
|
|
this.orders[id] = order;
|
|
return order;
|
|
}
|
|
|
|
async cancelOrder (id, symbol = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
const request = {
|
|
'symbol': market['id'],
|
|
'order_id': id,
|
|
};
|
|
const response = await this.privatePostCancelOrder (this.extend (request, params));
|
|
return response;
|
|
}
|
|
|
|
async fetchOrder (id, symbol = undefined, params = {}) {
|
|
// Id can be a list of ids delimited by a comma
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
const request = {
|
|
'symbol': market['id'],
|
|
'order_id': id,
|
|
};
|
|
const response = await this.privatePostOrdersInfo (this.extend (request, params));
|
|
const orders = this.parseOrders (response['orders'], market);
|
|
const numOrders = orders.length;
|
|
if (numOrders === 1) {
|
|
return orders[0];
|
|
} else {
|
|
return orders;
|
|
}
|
|
}
|
|
|
|
async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
if (limit === undefined) {
|
|
limit = 100;
|
|
}
|
|
const market = this.market (symbol);
|
|
const request = {
|
|
'symbol': market['id'],
|
|
'current_page': 1,
|
|
'page_length': limit,
|
|
};
|
|
const response = await this.privatePostOrdersInfoHistory (this.extend (request, params));
|
|
return this.parseOrders (response['orders'], undefined, since, limit);
|
|
}
|
|
|
|
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
|
|
const orders = await this.fetchOrders (symbol, since, limit, params);
|
|
const closed = this.filterBy (orders, 'status', 'closed');
|
|
const canceled = this.filterBy (orders, 'status', 'cancelled'); // cancelled orders may be partially filled
|
|
const allOrders = this.arrayConcat (closed, canceled);
|
|
return this.filterBySymbolSinceLimit (allOrders, symbol, since, limit);
|
|
}
|
|
|
|
async withdraw (code, amount, address, tag = undefined, params = {}) {
|
|
// mark and fee are optional params, mark is a note and must be less than 255 characters
|
|
this.checkAddress (address);
|
|
await this.loadMarkets ();
|
|
const currency = this.currency (code);
|
|
const request = {
|
|
'assetCode': currency['id'],
|
|
'amount': amount,
|
|
'account': address,
|
|
};
|
|
if (tag !== undefined) {
|
|
request['memo'] = tag;
|
|
}
|
|
const response = this.privatePostWithdraw (this.extend (request, params));
|
|
return {
|
|
'id': response['id'],
|
|
'info': response,
|
|
};
|
|
}
|
|
|
|
convertSecretToPem (secret) {
|
|
const lineLength = 64;
|
|
const secretLength = secret.length - 0;
|
|
let numLines = parseInt (secretLength / lineLength);
|
|
numLines = this.sum (numLines, 1);
|
|
let pem = "-----BEGIN PRIVATE KEY-----\n"; // eslint-disable-line
|
|
for (let i = 0; i < numLines; i++) {
|
|
const start = i * lineLength;
|
|
const end = this.sum (start, lineLength);
|
|
pem += this.secret.slice (start, end) + "\n"; // eslint-disable-line
|
|
}
|
|
return pem + '-----END PRIVATE KEY-----';
|
|
}
|
|
|
|
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
|
|
const query = this.omit (params, this.extractParams (path));
|
|
let url = this.urls['api'] + '/' + this.version + '/' + this.implodeParams (path, params);
|
|
// Every endpoint ends with ".do"
|
|
url += '.do';
|
|
if (api === 'public') {
|
|
if (Object.keys (query).length) {
|
|
url += '?' + this.urlencode (query);
|
|
}
|
|
} else {
|
|
this.checkRequiredCredentials ();
|
|
const query = this.keysort (this.extend ({
|
|
'api_key': this.apiKey,
|
|
}, params));
|
|
const queryString = this.rawencode (query);
|
|
const message = this.hash (this.encode (queryString)).toUpperCase ();
|
|
const cacheSecretAsPem = this.safeValue (this.options, 'cacheSecretAsPem', true);
|
|
let pem = undefined;
|
|
if (cacheSecretAsPem) {
|
|
pem = this.safeValue (this.options, 'pem');
|
|
if (pem === undefined) {
|
|
pem = this.convertSecretToPem (this.secret);
|
|
this.options['pem'] = pem;
|
|
}
|
|
} else {
|
|
pem = this.convertSecretToPem (this.secret);
|
|
}
|
|
const sign = this.binaryToBase64 (this.rsa (message, this.encode (pem), 'RS256'));
|
|
query['sign'] = sign;
|
|
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);
|
|
const success = this.safeString (response, 'result');
|
|
if (success === 'false') {
|
|
const errorCode = this.safeString (response, 'error_code');
|
|
const message = this.safeString ({
|
|
'10000': 'Internal error',
|
|
'10001': 'The required parameters can not be empty',
|
|
'10002': 'verification failed',
|
|
'10003': 'Illegal parameters',
|
|
'10004': 'User requests are too frequent',
|
|
'10005': 'Key does not exist',
|
|
'10006': 'user does not exist',
|
|
'10007': 'Invalid signature',
|
|
'10008': 'This currency pair is not supported',
|
|
'10009': 'Limit orders can not be missing orders and the number of orders',
|
|
'10010': 'Order price or order quantity must be greater than 0',
|
|
'10011': 'Market orders can not be missing the amount of the order',
|
|
'10012': 'market sell orders can not be missing orders',
|
|
'10013': 'is less than the minimum trading position 0.001',
|
|
'10014': 'Account number is not enough',
|
|
'10015': 'The order type is wrong',
|
|
'10016': 'Account balance is not enough',
|
|
'10017': 'Abnormal server',
|
|
'10018': 'order inquiry can not be more than 50 less than one',
|
|
'10019': 'withdrawal orders can not be more than 3 less than one',
|
|
'10020': 'less than the minimum amount of the transaction limit of 0.001',
|
|
'10022': 'Insufficient key authority',
|
|
}, errorCode, this.json (response));
|
|
const ErrorClass = this.safeValue ({
|
|
'10002': AuthenticationError,
|
|
'10004': DDoSProtection,
|
|
'10005': AuthenticationError,
|
|
'10006': AuthenticationError,
|
|
'10007': AuthenticationError,
|
|
'10009': InvalidOrder,
|
|
'10010': InvalidOrder,
|
|
'10011': InvalidOrder,
|
|
'10012': InvalidOrder,
|
|
'10013': InvalidOrder,
|
|
'10014': InvalidOrder,
|
|
'10015': InvalidOrder,
|
|
'10016': InvalidOrder,
|
|
'10022': AuthenticationError,
|
|
}, errorCode, ExchangeError);
|
|
throw new ErrorClass (message);
|
|
}
|
|
return response;
|
|
}
|
|
};
|