@madnai/ccxt
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A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
885 lines (859 loc) • 34.6 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, ExchangeNotAvailable, AuthenticationError, BadRequest, PermissionDenied, InvalidAddress, ArgumentsRequired, InvalidOrder } = require ('./base/errors');
const { DECIMAL_PLACES, SIGNIFICANT_DIGITS, TRUNCATE } = require ('./base/functions/number');
// ---------------------------------------------------------------------------
module.exports = class bithumb extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'bithumb',
'name': 'Bithumb',
'countries': [ 'KR' ], // South Korea
'rateLimit': 500,
'has': {
'cancelOrder': true,
'CORS': true,
'createMarketOrder': true,
'createOrder': true,
'fetchBalance': true,
'fetchMarkets': true,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderBook': true,
'fetchTicker': true,
'fetchTickers': true,
'fetchTrades': true,
'withdraw': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/30597177-ea800172-9d5e-11e7-804c-b9d4fa9b56b0.jpg',
'api': {
'public': 'https://api.bithumb.com/public',
'private': 'https://api.bithumb.com',
},
'www': 'https://www.bithumb.com',
'doc': 'https://apidocs.bithumb.com',
'fees': 'https://en.bithumb.com/customer_support/info_fee',
},
'api': {
'public': {
'get': [
'ticker/{currency}',
'ticker/all',
'orderbook/{currency}',
'orderbook/all',
'transaction_history/{currency}',
'transaction_history/all',
],
},
'private': {
'post': [
'info/account',
'info/balance',
'info/wallet_address',
'info/ticker',
'info/orders',
'info/user_transactions',
'info/order_detail',
'trade/place',
'trade/cancel',
'trade/btc_withdrawal',
'trade/krw_deposit',
'trade/krw_withdrawal',
'trade/market_buy',
'trade/market_sell',
],
},
},
'fees': {
'trading': {
'maker': 0.25 / 100,
'taker': 0.25 / 100,
},
},
'precisionMode': SIGNIFICANT_DIGITS,
'exceptions': {
'Bad Request(SSL)': BadRequest,
'Bad Request(Bad Method)': BadRequest,
'Bad Request.(Auth Data)': AuthenticationError, // { "status": "5100", "message": "Bad Request.(Auth Data)" }
'Not Member': AuthenticationError,
'Invalid Apikey': AuthenticationError, // {"status":"5300","message":"Invalid Apikey"}
'Method Not Allowed.(Access IP)': PermissionDenied,
'Method Not Allowed.(BTC Adress)': InvalidAddress,
'Method Not Allowed.(Access)': PermissionDenied,
'Database Fail': ExchangeNotAvailable,
'Invalid Parameter': BadRequest,
'5600': ExchangeError,
'Unknown Error': ExchangeError,
'After May 23th, recent_transactions is no longer, hence users will not be able to connect to recent_transactions': ExchangeError, // {"status":"5100","message":"After May 23th, recent_transactions is no longer, hence users will not be able to connect to recent_transactions"}
},
});
}
amountToPrecision (symbol, amount) {
return this.decimalToPrecision (amount, TRUNCATE, this.markets[symbol]['precision']['amount'], DECIMAL_PLACES);
}
async fetchMarkets (params = {}) {
const response = await this.publicGetTickerAll (params);
const data = this.safeValue (response, 'data');
const currencyIds = Object.keys (data);
const result = [];
const quote = this.safeCurrencyCode ('KRW');
for (let i = 0; i < currencyIds.length; i++) {
const currencyId = currencyIds[i];
if (currencyId === 'date') {
continue;
}
const market = data[currencyId];
const base = this.safeCurrencyCode (currencyId);
const symbol = currencyId + '/' + quote;
let active = true;
if (Array.isArray (market)) {
const numElements = market.length;
if (numElements === 0) {
active = false;
}
}
result.push ({
'id': currencyId,
'symbol': symbol,
'base': base,
'quote': quote,
'info': market,
'active': active,
'precision': {
'amount': 4,
'price': 4,
},
'limits': {
'amount': {
'min': undefined,
'max': undefined,
},
'price': {
'min': undefined,
'max': undefined,
},
'cost': {
'min': 500,
'max': 5000000000,
},
},
'baseId': undefined,
'quoteId': undefined,
});
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const request = {
'currency': 'ALL',
};
const response = await this.privatePostInfoBalance (this.extend (request, params));
const result = { 'info': response };
const balances = this.safeValue (response, 'data');
const codes = Object.keys (this.currencies);
for (let i = 0; i < codes.length; i++) {
const code = codes[i];
const account = this.account ();
const currency = this.currency (code);
const lowerCurrencyId = this.safeStringLower (currency, 'id');
account['total'] = this.safeFloat (balances, 'total_' + lowerCurrencyId);
account['used'] = this.safeFloat (balances, 'in_use_' + lowerCurrencyId);
account['free'] = this.safeFloat (balances, 'available_' + lowerCurrencyId);
result[code] = account;
}
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'currency': market['base'],
};
if (limit !== undefined) {
request['count'] = limit; // default 30, max 30
}
const response = await this.publicGetOrderbookCurrency (this.extend (request, params));
//
// {
// "status":"0000",
// "data":{
// "timestamp":"1587621553942",
// "payment_currency":"KRW",
// "order_currency":"BTC",
// "bids":[
// {"price":"8652000","quantity":"0.0043"},
// {"price":"8651000","quantity":"0.0049"},
// {"price":"8650000","quantity":"8.4791"},
// ],
// "asks":[
// {"price":"8654000","quantity":"0.119"},
// {"price":"8655000","quantity":"0.254"},
// {"price":"8658000","quantity":"0.119"},
// ]
// }
// }
//
const data = this.safeValue (response, 'data', {});
const timestamp = this.safeInteger (data, 'timestamp');
return this.parseOrderBook (data, timestamp, 'bids', 'asks', 'price', 'quantity');
}
parseTicker (ticker, market = undefined) {
//
// fetchTicker, fetchTickers
//
// {
// "opening_price":"227100",
// "closing_price":"228400",
// "min_price":"222300",
// "max_price":"230000",
// "units_traded":"82618.56075337",
// "acc_trade_value":"18767376138.6031",
// "prev_closing_price":"227100",
// "units_traded_24H":"151871.13484676",
// "acc_trade_value_24H":"34247610416.8974",
// "fluctate_24H":"8700",
// "fluctate_rate_24H":"3.96",
// "date":"1587710327264", // fetchTickers inject this
// }
//
const timestamp = this.safeInteger (ticker, 'date');
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
const open = this.safeFloat (ticker, 'opening_price');
const close = this.safeFloat (ticker, 'closing_price');
let change = undefined;
let percentage = undefined;
let average = undefined;
if ((close !== undefined) && (open !== undefined)) {
change = close - open;
if (open > 0) {
percentage = change / open * 100;
}
average = this.sum (open, close) / 2;
}
const baseVolume = this.safeFloat (ticker, 'units_traded_24H');
const quoteVolume = this.safeFloat (ticker, 'acc_trade_value_24H');
const vwap = this.vwap (baseVolume, quoteVolume);
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'max_price'),
'low': this.safeFloat (ticker, 'min_price'),
'bid': this.safeFloat (ticker, 'buy_price'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'sell_price'),
'askVolume': undefined,
'vwap': vwap,
'open': open,
'close': close,
'last': close,
'previousClose': undefined,
'change': change,
'percentage': percentage,
'average': average,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
const response = await this.publicGetTickerAll (params);
//
// {
// "status":"0000",
// "data":{
// "BTC":{
// "opening_price":"9045000",
// "closing_price":"9132000",
// "min_price":"8938000",
// "max_price":"9168000",
// "units_traded":"4619.79967497",
// "acc_trade_value":"42021363832.5187",
// "prev_closing_price":"9041000",
// "units_traded_24H":"8793.5045804",
// "acc_trade_value_24H":"78933458515.4962",
// "fluctate_24H":"530000",
// "fluctate_rate_24H":"6.16"
// },
// "date":"1587710878669"
// }
// }
//
const result = {};
const data = this.safeValue (response, 'data', {});
const timestamp = this.safeInteger (data, 'date');
const tickers = this.omit (data, 'date');
const ids = Object.keys (tickers);
for (let i = 0; i < ids.length; i++) {
const id = ids[i];
let symbol = id;
let market = undefined;
if (id in this.markets_by_id) {
market = this.markets_by_id[id];
symbol = market['symbol'];
}
const ticker = tickers[id];
const isArray = Array.isArray (ticker);
if (!isArray) {
ticker['date'] = timestamp;
result[symbol] = this.parseTicker (ticker, market);
}
}
return this.filterByArray (result, 'symbol', symbols);
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'currency': market['base'],
};
const response = await this.publicGetTickerCurrency (this.extend (request, params));
//
// {
// "status":"0000",
// "data":{
// "opening_price":"227100",
// "closing_price":"228400",
// "min_price":"222300",
// "max_price":"230000",
// "units_traded":"82618.56075337",
// "acc_trade_value":"18767376138.6031",
// "prev_closing_price":"227100",
// "units_traded_24H":"151871.13484676",
// "acc_trade_value_24H":"34247610416.8974",
// "fluctate_24H":"8700",
// "fluctate_rate_24H":"3.96",
// "date":"1587710327264"
// }
// }
//
const data = this.safeValue (response, 'data', {});
return this.parseTicker (data, market);
}
parseTrade (trade, market = undefined) {
//
// fetchTrades (public)
//
// {
// "transaction_date":"2020-04-23 22:21:46",
// "type":"ask",
// "units_traded":"0.0125",
// "price":"8667000",
// "total":"108337"
// }
//
// fetchOrder (private)
//
// {
// "transaction_date": "1572497603902030",
// "price": "8601000",
// "units": "0.005",
// "fee_currency": "KRW",
// "fee": "107.51",
// "total": "43005"
// }
//
// a workaround for their bug in date format, hours are not 0-padded
let timestamp = undefined;
const transactionDatetime = this.safeString (trade, 'transaction_date');
if (transactionDatetime !== undefined) {
const parts = transactionDatetime.split (' ');
const numParts = parts.length;
if (numParts > 1) {
const transactionDate = parts[0];
let transactionTime = parts[1];
if (transactionTime.length < 8) {
transactionTime = '0' + transactionTime;
}
timestamp = this.parse8601 (transactionDate + ' ' + transactionTime);
} else {
timestamp = this.safeIntegerProduct (trade, 'transaction_date', 0.001);
}
}
if (timestamp !== undefined) {
timestamp -= 9 * 3600000; // they report UTC + 9 hours, server in Korean timezone
}
const type = undefined;
let side = this.safeString (trade, 'type');
side = (side === 'ask') ? 'sell' : 'buy';
const id = this.safeString (trade, 'cont_no');
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
const price = this.safeFloat (trade, 'price');
const amount = this.safeFloat2 (trade, 'units_traded', 'units');
let cost = this.safeFloat (trade, 'total');
if (cost === undefined) {
if (amount !== undefined) {
if (price !== undefined) {
cost = price * amount;
}
}
}
let fee = undefined;
const feeCost = this.safeFloat (trade, 'fee');
if (feeCost !== undefined) {
const feeCurrencyId = this.safeString (trade, 'fee_currency');
const feeCurrencyCode = this.commonCurrencyCode (feeCurrencyId);
fee = {
'cost': feeCost,
'currency': feeCurrencyCode,
};
}
return {
'id': id,
'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': fee,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'currency': market['base'],
};
if (limit === undefined) {
request['count'] = limit; // default 20, max 100
}
const response = await this.publicGetTransactionHistoryCurrency (this.extend (request, params));
//
// {
// "status":"0000",
// "data":[
// {
// "transaction_date":"2020-04-23 22:21:46",
// "type":"ask",
// "units_traded":"0.0125",
// "price":"8667000",
// "total":"108337"
// },
// ]
// }
//
const data = this.safeValue (response, 'data', []);
return this.parseTrades (data, market, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'order_currency': market['id'],
'Payment_currency': market['quote'],
'units': amount,
};
let method = 'privatePostTradePlace';
if (type === 'limit') {
request['price'] = price;
request['type'] = (side === 'buy') ? 'bid' : 'ask';
} else {
method = 'privatePostTradeMarket' + this.capitalize (side);
}
const response = await this[method] (this.extend (request, params));
const id = this.safeString (response, 'order_id');
if (id === undefined) {
throw new InvalidOrder (this.id + ' createOrder did not return an order id');
}
return {
'info': response,
'symbol': symbol,
'type': type,
'side': side,
'id': id,
};
}
async fetchOrder (id, symbol = undefined, params = {}) {
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' fetchOrder requires a symbol argument');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'order_id': id,
'count': 1,
'order_currency': market['base'],
'payment_currency': market['quote'],
};
const response = await this.privatePostInfoOrderDetail (this.extend (request, params));
//
// {
// "status": "0000",
// "data": {
// order_date: '1603161798539254',
// type: 'ask',
// order_status: 'Cancel',
// order_currency: 'BTC',
// payment_currency: 'KRW',
// watch_price: '0',
// order_price: '13344000',
// order_qty: '0.0125',
// cancel_date: '1603161803809993',
// cancel_type: '사용자취소',
// contract: [
// {
// transaction_date: '1603161799976383',
// price: '13344000',
// units: '0.0015',
// fee_currency: 'KRW',
// fee: '0',
// total: '20016'
// }
// ],
// }
// }
//
const data = this.safeValue (response, 'data');
return this.parseOrder (this.extend (data, { 'order_id': id }), market);
}
parseOrderStatus (status) {
const statuses = {
'Pending': 'open',
'Completed': 'closed',
'Cancel': 'canceled',
};
return this.safeString (statuses, status, status);
}
parseOrder (order, market = undefined) {
//
//
// fetchOrder
//
// {
// "transaction_date": "1572497603668315",
// "type": "bid",
// "order_status": "Completed",
// "order_currency": "BTC",
// "payment_currency": "KRW",
// "order_price": "8601000",
// "order_qty": "0.007",
// "cancel_date": "",
// "cancel_type": "",
// "contract": [
// {
// "transaction_date": "1572497603902030",
// "price": "8601000",
// "units": "0.005",
// "fee_currency": "KRW",
// "fee": "107.51",
// "total": "43005"
// },
// ]
// }
//
// {
// order_date: '1603161798539254',
// type: 'ask',
// order_status: 'Cancel',
// order_currency: 'BTC',
// payment_currency: 'KRW',
// watch_price: '0',
// order_price: '13344000',
// order_qty: '0.0125',
// cancel_date: '1603161803809993',
// cancel_type: '사용자취소',
// contract: [
// {
// transaction_date: '1603161799976383',
// price: '13344000',
// units: '0.0015',
// fee_currency: 'KRW',
// fee: '0',
// total: '20016'
// }
// ],
// }
//
// fetchOpenOrders
//
// {
// "order_currency": "BTC",
// "payment_currency": "KRW",
// "order_id": "C0101000007408440032",
// "order_date": "1571728739360570",
// "type": "bid",
// "units": "5.0",
// "units_remaining": "5.0",
// "price": "501000",
// }
//
const timestamp = this.safeIntegerProduct (order, 'order_date', 0.001);
const sideProperty = this.safeValue2 (order, 'type', 'side');
const side = (sideProperty === 'bid') ? 'buy' : 'sell';
const status = this.parseOrderStatus (this.safeString (order, 'order_status'));
let price = this.safeFloat2 (order, 'order_price', 'price');
let type = 'limit';
if (price === 0) {
price = undefined;
type = 'market';
}
const amount = this.safeFloat2 (order, 'order_qty', 'units');
let remaining = this.safeFloat (order, 'units_remaining');
if (remaining === undefined) {
if (status === 'closed') {
remaining = 0;
} else if (status !== 'canceled') {
remaining = amount;
}
}
let symbol = undefined;
const baseId = this.safeString (order, 'order_currency');
const quoteId = this.safeString (order, 'payment_currency');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
if ((base !== undefined) && (quote !== undefined)) {
symbol = base + '/' + quote;
}
if ((symbol === undefined) && (market !== undefined)) {
symbol = market['symbol'];
}
let filled = undefined;
let cost = undefined;
let average = undefined;
const id = this.safeString (order, 'order_id');
const rawTrades = this.safeValue (order, 'contract');
let trades = undefined;
let fee = undefined;
let fees = undefined;
let feesByCurrency = undefined;
if (rawTrades !== undefined) {
trades = this.parseTrades (rawTrades, market, undefined, undefined, {
'side': side,
'symbol': symbol,
'order': id,
});
filled = 0;
feesByCurrency = {};
for (let i = 0; i < trades.length; i++) {
const trade = trades[i];
filled = this.sum (filled, trade['amount']);
cost = this.sum (cost, trade['cost']);
const tradeFee = trade['fee'];
const feeCurrency = tradeFee['currency'];
if (feeCurrency in feesByCurrency) {
feesByCurrency[feeCurrency] = {
'currency': feeCurrency,
'cost': this.sum (feesByCurrency[feeCurrency]['cost'], tradeFee['cost']),
};
} else {
feesByCurrency[feeCurrency] = {
'currency': feeCurrency,
'cost': tradeFee['cost'],
};
}
}
const feeCurrencies = Object.keys (feesByCurrency);
const feeCurrenciesLength = feeCurrencies.length;
if (feeCurrenciesLength > 1) {
fees = [];
for (let i = 0; i < feeCurrencies.length; i++) {
const feeCurrency = feeCurrencies[i];
fees.push (feesByCurrency[feeCurrency]);
}
} else {
fee = this.safeValue (feesByCurrency, feeCurrencies[0]);
}
if (filled !== 0) {
average = cost / filled;
}
}
if (amount !== undefined) {
if ((filled === undefined) && (remaining !== undefined)) {
filled = Math.max (0, amount - remaining);
}
if ((remaining === undefined) && (filled !== undefined)) {
remaining = Math.max (0, amount - filled);
}
}
const result = {
'info': order,
'id': id,
'clientOrderId': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'symbol': symbol,
'type': type,
'side': side,
'price': price,
'amount': amount,
'cost': cost,
'average': average,
'filled': filled,
'remaining': remaining,
'status': status,
'fee': undefined,
'trades': trades,
};
if (fee !== undefined) {
result['fee'] = fee;
} else if (fees !== undefined) {
result['fees'] = fees;
}
return result;
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' fetchOpenOrders requires a symbol argument');
}
await this.loadMarkets ();
const market = this.market (symbol);
if (limit === undefined) {
limit = 100;
}
const request = {
'count': limit,
'order_currency': market['base'],
'payment_currency': market['quote'],
};
if (since !== undefined) {
request['after'] = since;
}
const response = await this.privatePostInfoOrders (this.extend (request, params));
//
// {
// "status": "0000",
// "data": [
// {
// "order_currency": "BTC",
// "payment_currency": "KRW",
// "order_id": "C0101000007408440032",
// "order_date": "1571728739360570",
// "type": "bid",
// "units": "5.0",
// "units_remaining": "5.0",
// "price": "501000",
// }
// ]
// }
//
const data = this.safeValue (response, 'data', []);
return this.parseOrders (data, market, since, limit);
}
async cancelOrder (id, symbol = undefined, params = {}) {
const side_in_params = ('side' in params);
if (!side_in_params) {
throw new ArgumentsRequired (this.id + ' cancelOrder requires a `symbol` argument and a `side` parameter (sell or buy)');
}
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' cancelOrder requires a `symbol` argument and a `side` parameter (sell or buy)');
}
const market = this.market (symbol);
const side = (params['side'] === 'buy') ? 'bid' : 'ask';
params = this.omit (params, [ 'side', 'currency' ]);
// https://github.com/ccxt/ccxt/issues/6771
const request = {
'order_id': id,
'type': side,
'order_currency': market['base'],
'payment_currency': market['quote'],
};
return await this.privatePostTradeCancel (this.extend (request, params));
}
cancelUnifiedOrder (order, params = {}) {
const request = {
'side': order['side'],
};
return this.cancelOrder (order['id'], order['symbol'], this.extend (request, params));
}
async withdraw (code, amount, address, tag = undefined, params = {}) {
this.checkAddress (address);
await this.loadMarkets ();
const currency = this.currency (code);
const request = {
'units': amount,
'address': address,
'currency': currency['id'],
};
if (currency === 'XRP' || currency === 'XMR') {
const destination = this.safeString (params, 'destination');
if ((tag === undefined) && (destination === undefined)) {
throw new ArgumentsRequired (this.id + ' ' + code + ' withdraw() requires a tag argument or an extra destination param');
} else if (tag !== undefined) {
request['destination'] = tag;
}
}
const response = await this.privatePostTradeBtcWithdrawal (this.extend (request, params));
return {
'info': response,
'id': undefined,
};
}
nonce () {
return this.milliseconds ();
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
const endpoint = '/' + this.implodeParams (path, params);
let url = this.urls['api'][api] + endpoint;
const query = this.omit (params, this.extractParams (path));
if (api === 'public') {
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
} else {
this.checkRequiredCredentials ();
body = this.urlencode (this.extend ({
'endpoint': endpoint,
}, query));
const nonce = this.nonce ().toString ();
const auth = endpoint + "\0" + body + "\0" + nonce; // eslint-disable-line quotes
const signature = this.hmac (this.encode (auth), this.encode (this.secret), 'sha512');
const signature64 = this.decode (this.stringToBase64 (signature));
headers = {
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded',
'Api-Key': this.apiKey,
'Api-Sign': signature64,
'Api-Nonce': nonce,
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
handleErrors (httpCode, reason, url, method, headers, body, response, requestHeaders, requestBody) {
if (response === undefined) {
return; // fallback to default error handler
}
if ('status' in response) {
//
// {"status":"5100","message":"After May 23th, recent_transactions is no longer, hence users will not be able to connect to recent_transactions"}
//
const status = this.safeString (response, 'status');
const message = this.safeString (response, 'message');
if (status !== undefined) {
if (status === '0000') {
return; // no error
}
const feedback = this.id + ' ' + body;
this.throwExactlyMatchedException (this.exceptions, status, feedback);
this.throwExactlyMatchedException (this.exceptions, message, feedback);
throw new ExchangeError (feedback);
}
}
}
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'] === '0000') {
return response;
}
throw new ExchangeError (this.id + ' ' + this.json (response));
}
return response;
}
};