@madnai/ccxt
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A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
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JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, OnMaintenance, BadResponse, ArgumentsRequired, AuthenticationError, NotSupported, InvalidOrder, OrderNotFound, ExchangeNotAvailable, RateLimitExceeded, InsufficientFunds } = require ('./base/errors');
const { TRUNCATE, DECIMAL_PLACES } = require ('./base/functions/number');
// ---------------------------------------------------------------------------
module.exports = class livecoin extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'livecoin',
'name': 'LiveCoin',
'countries': [ 'US', 'UK', 'RU' ],
'rateLimit': 1000,
'userAgent': this.userAgents['chrome'],
'has': {
'cancelOrder': true,
'CORS': false,
'createOrder': true,
'fetchBalance': true,
'fetchClosedOrders': true,
'fetchCurrencies': true,
'fetchDepositAddress': true,
'fetchDeposits': true,
'fetchMarkets': true,
'fetchMyTrades': true,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderBook': true,
'fetchOrders': true,
'fetchTicker': true,
'fetchTickers': true,
'fetchTrades': true,
'fetchTradingFee': true,
'fetchTradingFees': true,
'fetchWithdrawals': true,
'withdraw': 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',
'referral': 'https://livecoin.net/?from=Livecoin-CQ1hfx44',
},
'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,
},
},
'commonCurrencies': {
'BTCH': 'Bithash',
'CPC': 'Capricoin',
'CBC': 'CryptoBossCoin', // conflict with CBC (CashBet Coin)
'CPT': 'Cryptos', // conflict with CPT = Contents Protocol https://github.com/ccxt/ccxt/issues/4920 and https://github.com/ccxt/ccxt/issues/6081
'EDR': 'E-Dinar Coin', // conflicts with EDR for Endor Protocol and EDRCoin
'eETT': 'EETT',
'FirstBlood': '1ST',
'FORTYTWO': '42',
'LEO': 'LeoCoin',
'MIOTA': 'IOTA', // https://github.com/ccxt/ccxt/issues/7487
'ORE': 'Orectic',
'PLN': 'Plutaneum', // conflict with Polish Zloty
'RUR': 'RUB',
'SCT': 'SpaceCoin',
'TPI': 'ThaneCoin',
'UNUS': 'LEO', // https://github.com/ccxt/ccxt/issues/7496
'WAX': 'WAXP',
'wETT': 'WETT',
'XBT': 'Bricktox',
},
'exceptions': {
'exact': {
'1': ExchangeError,
'10': AuthenticationError,
'100': ExchangeError, // invalid parameters
'101': AuthenticationError,
'102': AuthenticationError,
'103': InvalidOrder, // invalid currency
'104': InvalidOrder, // invalid amount
'105': InvalidOrder, // unable to block funds
'11': AuthenticationError,
'12': AuthenticationError,
'2': AuthenticationError, // "User not found"
'20': AuthenticationError,
'30': AuthenticationError,
'31': NotSupported,
'32': ExchangeError,
'429': RateLimitExceeded,
'503': ExchangeNotAvailable,
},
'broad': {
'insufficient funds': InsufficientFunds, // https://github.com/ccxt/ccxt/issues/5749
'NOT FOUND': OrderNotFound,
'Cannot find order': OrderNotFound,
'Minimal amount is': InvalidOrder,
},
},
});
}
async fetchMarkets (params = {}) {
const response = await this.publicGetExchangeTicker (params);
const restrictions = await this.publicGetExchangeRestrictions ();
const restrictionsById = this.indexBy (restrictions['restrictions'], 'currencyPair');
const result = [];
for (let i = 0; i < response.length; i++) {
const market = response[i];
const id = this.safeString (market, 'symbol');
const [ baseId, quoteId ] = id.split ('/');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
const symbol = base + '/' + quote;
const coinRestrictions = this.safeValue (restrictionsById, symbol);
const precision = {
'price': 5,
'amount': 8,
'cost': 8,
};
const 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 ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
'active': true,
'precision': precision,
'limits': limits,
'info': market,
});
}
return result;
}
async fetchCurrencies (params = {}) {
const response = await this.publicGetInfoCoinInfo (params);
if (typeof response === 'string') {
if (response.indexOf ('site is under maintenance') >= 0) {
throw new OnMaintenance (this.id + ' fetchCurrencies() failed to fetch the currencies, the exchange is on maintenance');
} else {
throw new BadResponse (this.id + ' fetchCurrencies() failed to fetch the currencies');
}
}
const currencies = this.safeValue (response, 'info');
let result = {};
for (let i = 0; i < currencies.length; i++) {
const currency = currencies[i];
const id = this.safeString (currency, 'symbol');
// todo: will need to rethink the fees
// to add support for multiple withdrawal/deposit methods and
// differentiated fees for each particular method
const code = this.safeCurrencyCode (id);
const precision = 8; // default precision, todo: fix "magic constants"
const walletStatus = this.safeString (currency, 'walletStatus');
const active = (walletStatus === 'normal');
const name = this.safeString (currency, 'name');
const fee = this.safeFloat (currency, 'withdrawFee');
result[code] = {
'id': id,
'code': code,
'info': currency,
'name': name,
'active': active,
'fee': fee,
'precision': precision,
'limits': {
'amount': {
'min': this.safeFloat (currency, 'minOrderAmount'),
'max': Math.pow (10, precision),
},
'price': {
'min': Math.pow (10, -precision),
'max': Math.pow (10, precision),
},
'cost': {
'min': this.safeFloat (currency, 'minOrderAmount'),
'max': undefined,
},
'withdraw': {
'min': this.safeFloat (currency, 'minWithdrawAmount'),
'max': Math.pow (10, precision),
},
'deposit': {
'min': this.safeFloat (currency, 'minDepositAmount'),
'max': undefined,
},
},
};
}
result = this.appendFiatCurrencies (result);
return result;
}
appendFiatCurrencies (result) {
const precision = 8;
const defaults = {
'info': undefined,
'active': true,
'fee': undefined,
'precision': precision,
'limits': {
'withdraw': { 'min': undefined, 'max': undefined },
'deposit': { 'min': undefined, 'max': undefined },
'amount': { 'min': undefined, 'max': undefined },
'cost': { 'min': undefined, 'max': undefined },
'price': {
'min': Math.pow (10, -precision),
'max': Math.pow (10, precision),
},
},
'id': undefined,
'code': undefined,
'name': undefined,
};
const currencies = [
{ 'id': 'USD', 'code': 'USD', 'name': 'US Dollar' },
{ 'id': 'EUR', 'code': 'EUR', 'name': 'Euro' },
// { 'id': 'RUR', 'code': 'RUB', 'name': 'Russian ruble' },
];
currencies.push ({
'id': 'RUR',
'code': this.safeCurrencyCode ('RUR'),
'name': 'Russian ruble',
});
for (let i = 0; i < currencies.length; i++) {
const currency = currencies[i];
const code = currency['code'];
result[code] = this.extend (defaults, currency);
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const response = await this.privateGetPaymentBalances (params);
const result = { 'info': response };
for (let i = 0; i < response.length; i++) {
const balance = response[i];
const currencyId = this.safeString (balance, 'currency');
const code = this.safeCurrencyCode (currencyId);
let account = undefined;
if (code in result) {
account = result[code];
} else {
account = this.account ();
}
if (balance['type'] === 'total') {
account['total'] = this.safeFloat (balance, 'value');
}
if (balance['type'] === 'available') {
account['free'] = this.safeFloat (balance, 'value');
}
if (balance['type'] === 'trade') {
account['used'] = this.safeFloat (balance, 'value');
}
result[code] = account;
}
return this.parseBalance (result);
}
async fetchTradingFees (params = {}) {
await this.loadMarkets ();
const response = await this.privateGetExchangeCommissionCommonInfo (params);
const commission = this.safeFloat (response, 'commission');
return {
'info': response,
'maker': commission,
'taker': commission,
};
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'currencyPair': this.marketId (symbol),
'groupByPrice': 'false',
};
if (limit !== undefined) {
request['depth'] = limit; // 100
}
const response = await this.publicGetExchangeOrderBook (this.extend (request, params));
const timestamp = this.safeInteger (response, 'timestamp');
return this.parseOrderBook (response, timestamp);
}
parseTicker (ticker, market = undefined) {
const timestamp = this.milliseconds ();
let symbol = undefined;
if (market) {
symbol = market['symbol'];
}
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, 'best_bid'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'best_ask'),
'askVolume': undefined,
'vwap': this.safeFloat (ticker, 'vwap'),
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
const response = await this.publicGetExchangeTicker (params);
const tickers = this.indexBy (response, 'symbol');
const ids = Object.keys (tickers);
const result = {};
for (let i = 0; i < ids.length; i++) {
const id = ids[i];
const market = this.safeMarket (id);
const symbol = market['symbol'];
const ticker = tickers[id];
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 = {
'currencyPair': market['id'],
};
const ticker = await this.publicGetExchangeTicker (this.extend (request, params));
return this.parseTicker (ticker, market);
}
parseTrade (trade, market = undefined) {
//
// fetchTrades (public)
//
// {
// "time": 1409935047,
// "id": 99451,
// "price": 350,
// "quantity": 2.85714285,
// "type": "BUY"
// }
//
// fetchMyTrades (private)
//
// {
// "datetime": 1435844369,
// "id": 30651619,
// "type": "sell",
// "symbol": "BTC/EUR",
// "price": 230,
// "quantity": 0.1,
// "commission": 0,
// "clientorderid": 1472837650
// }
const timestamp = this.safeTimestamp2 (trade, 'time', 'datetime');
let fee = undefined;
const feeCost = this.safeFloat (trade, 'commission');
if (feeCost !== undefined) {
const feeCurrency = market ? market['quote'] : undefined;
fee = {
'cost': feeCost,
'currency': feeCurrency,
};
}
const orderId = this.safeString (trade, 'clientorderid');
const id = this.safeString (trade, 'id');
const side = this.safeStringLower (trade, 'type');
const amount = this.safeFloat (trade, 'quantity');
const price = this.safeFloat (trade, 'price');
let cost = undefined;
if (amount !== undefined) {
if (price !== undefined) {
cost = amount * price;
}
}
const marketId = this.safeString (trade, 'symbol');
const symbol = this.safeSymbol (marketId, market, '/');
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': fee,
};
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
// 'currencyPair': market['id'],
// 'orderDesc': 'true', // or 'false', if true then new orders will be first, otherwise old orders will be first.
// 'offset': 0, // page offset, position of the first item on the page
};
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
request['currencyPair'] = market['id'];
}
if (limit !== undefined) {
request['limit'] = limit;
}
const response = await this.privateGetExchangeTrades (this.extend (request, params));
//
// [
// {
// "datetime": 1435844369,
// "id": 30651619,
// "type": "sell",
// "symbol": "BTC/EUR",
// "price": 230,
// "quantity": 0.1,
// "commission": 0,
// "clientorderid": 1472837650
// },
// {
// "datetime": 1435844356,
// "id": 30651618,
// "type": "sell",
// "symbol": "BTC/EUR",
// "price": 230,
// "quantity": 0.2,
// "commission": 0.092,
// "clientorderid": 1472837651
// }
// ]
//
return this.parseTrades (response, market, since, limit);
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'currencyPair': market['id'],
};
const response = await this.publicGetExchangeLastTrades (this.extend (request, params));
//
// [
// {
// "time": 1409935047,
// "id": 99451,
// "price": 350,
// "quantity": 2.85714285,
// "type": "BUY"
// },
// {
// "time": 1409934792,
// "id": 99450,
// "price": 350,
// "quantity": 0.57142857,
// "type": "SELL"
// }
// ]
//
return this.parseTrades (response, market, since, limit);
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'orderId': id,
};
const response = await this.privateGetExchangeOrder (this.extend (request, params));
return this.parseOrder (response);
}
parseOrderStatus (status) {
const statuses = {
'OPEN': 'open',
'PARTIALLY_FILLED': 'open',
'EXECUTED': 'closed',
'CANCELLED': 'canceled',
'PARTIALLY_FILLED_AND_CANCELLED': 'canceled',
};
return this.safeString (statuses, status, status);
}
parseOrder (order, market = undefined) {
let timestamp = undefined;
if ('lastModificationTime' in order) {
timestamp = this.safeString (order, 'lastModificationTime');
if (timestamp !== undefined) {
if (timestamp.indexOf ('T') >= 0) {
timestamp = this.parse8601 (timestamp);
} else {
timestamp = this.safeInteger (order, 'lastModificationTime');
}
}
}
// TODO currently not supported by livecoin
// let trades = this.parseTrades (order['trades'], market, since, limit);
const trades = undefined;
const status = this.parseOrderStatus (this.safeString2 (order, 'status', 'orderStatus'));
const marketId = this.safeString2 (order, 'symbol', 'currencyPair');
const symbol = this.safeSymbol (marketId, market, '/');
let type = this.safeStringLower (order, 'type');
let side = undefined;
if (type !== undefined) {
const orderType = type.split ('_');
type = orderType[0];
side = orderType[1];
}
const price = this.safeFloat (order, 'price');
// of the next two lines the latter overrides the former, if present in the order structure
let remaining = this.safeFloat (order, 'remainingQuantity');
remaining = this.safeFloat (order, 'remaining_quantity', remaining);
const amount = this.safeFloat (order, 'quantity', remaining);
let filled = undefined;
if (remaining !== undefined) {
filled = amount - remaining;
}
let cost = undefined;
if (filled !== undefined && price !== undefined) {
cost = filled * price;
}
const feeRate = this.safeFloat (order, 'commission_rate');
let feeCost = undefined;
if (cost !== undefined && feeRate !== undefined) {
feeCost = cost * feeRate;
}
if ((market === undefined) && (symbol in this.markets)) {
market = this.markets[symbol];
}
let feeCurrency = undefined;
if (market !== undefined) {
feeCurrency = market['quote'];
}
return {
'info': order,
'id': order['id'],
'clientOrderId': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'status': status,
'symbol': symbol,
'type': type,
'side': side,
'price': price,
'amount': amount,
'cost': cost,
'filled': filled,
'remaining': remaining,
'trades': trades,
'fee': {
'cost': feeCost,
'currency': feeCurrency,
'rate': feeRate,
},
'average': undefined,
};
}
async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
const request = {};
if (symbol !== undefined) {
market = this.market (symbol);
request['currencyPair'] = market['id'];
}
if (since !== undefined) {
request['issuedFrom'] = parseInt (since);
}
if (limit !== undefined) {
request['endRow'] = limit - 1;
}
const response = await this.privateGetExchangeClientOrders (this.extend (request, params));
const result = [];
let rawOrders = [];
if (response['data']) {
rawOrders = response['data'];
}
for (let i = 0; i < rawOrders.length; i++) {
const order = rawOrders[i];
result.push (this.parseOrder (order, market));
}
return this.sortBy (result, 'timestamp');
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
const request = {
'openClosed': 'OPEN',
};
return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
}
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
const request = {
'openClosed': 'CLOSED',
};
return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const method = 'privatePostExchange' + this.capitalize (side) + type;
const market = this.market (symbol);
const request = {
'quantity': this.amountToPrecision (symbol, amount),
'currencyPair': market['id'],
};
if (type === 'limit') {
request['price'] = this.priceToPrecision (symbol, price);
}
const response = await this[method] (this.extend (request, params));
const result = {
'info': response,
'id': response['orderId'].toString (),
};
const success = this.safeValue (response, 'success');
if (success) {
result['status'] = 'open';
}
return result;
}
async cancelOrder (id, symbol = undefined, params = {}) {
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' cancelOrder requires a symbol argument');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'orderId': id,
'currencyPair': market['id'],
};
const response = await this.privatePostExchangeCancellimit (this.extend (request, params));
const message = this.safeString (response, 'message', this.json (response));
if ('success' in response) {
if (!response['success']) {
throw new InvalidOrder (message);
} else if ('cancelled' in response) {
if (response['cancelled']) {
return {
'status': 'canceled',
'info': response,
};
} else {
throw new OrderNotFound (message);
}
}
}
throw new ExchangeError (this.id + ' cancelOrder() failed: ' + this.json (response));
}
async withdraw (code, amount, address, tag = undefined, params = {}) {
// Sometimes the response with be { key: null } for all keys.
// An example is if you attempt to withdraw more than is allowed when withdrawal fees are considered.
this.checkAddress (address);
await this.loadMarkets ();
const currency = this.currency (code);
let wallet = address;
if (tag !== undefined) {
wallet += '::' + tag;
}
const request = {
'amount': this.decimalToPrecision (amount, TRUNCATE, currency['precision'], DECIMAL_PLACES),
'currency': currency['id'],
'wallet': wallet,
};
const response = await this.privatePostPaymentOutCoin (this.extend (request, params));
const id = this.safeInteger (response, 'id');
if (id === undefined) {
throw new InsufficientFunds (this.id + ' insufficient funds to cover requested withdrawal amount post fees ' + this.json (response));
}
return {
'info': response,
'id': id,
};
}
parseTransaction (transaction, currency = undefined) {
// {
// "id": "c853093d5aa06df1c92d79c2...", (tx on deposits, address on withdrawals)
// "type": "DEPOSIT",
// "date": 1553186482676,
// "amount": 712.61266,
// "fee": 0,
// "fixedCurrency": "XVG",
// "taxCurrency": "XVG",
// "variableAmount": null,
// "variableCurrency": null,
// "external": "Coin",
// "login": "USERNAME",
// "externalKey": "....87diPBy......3hTtuwUT78Yi", (address on deposits, tx on withdrawals)
// "documentId": 1110662453
// },
let txid = undefined;
let address = undefined;
const id = this.safeString (transaction, 'documentId');
const amount = this.safeFloat (transaction, 'amount');
const timestamp = this.safeInteger (transaction, 'date');
const type = this.safeStringLower (transaction, 'type');
const currencyId = this.safeString (transaction, 'fixedCurrency');
const feeCost = this.safeFloat (transaction, 'fee');
const code = this.safeCurrencyCode (currencyId, currency);
if (type === 'withdrawal') {
txid = this.safeString (transaction, 'externalKey');
address = this.safeString (transaction, 'id');
} else if (type === 'deposit') {
address = this.safeString (transaction, 'externalKey');
txid = this.safeString (transaction, 'id');
}
let status = undefined;
if (type === 'deposit') {
status = 'ok'; // Deposits is not registered until they are in account. Withdrawals are left as undefined, not entirely sure about theyre status.
}
return {
'info': transaction,
'id': id,
'currency': code,
'amount': amount,
'address': address,
'tag': undefined,
'status': status,
'type': type,
'updated': undefined,
'txid': txid,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'fee': {
'currency': code,
'cost': feeCost,
},
};
}
async fetchDeposits (code = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const endtime = 2505600000; // 29 days - exchange has maximum 30 days.
const now = this.milliseconds ();
const request = {
'types': 'DEPOSIT',
'end': now,
'start': (since !== undefined) ? parseInt (since) : now - endtime,
};
let currency = undefined;
if (code !== undefined) {
currency = this.currency (code);
}
if (limit !== undefined) {
request['limit'] = limit; // default is 100
}
const response = await this.privateGetPaymentHistoryTransactions (this.extend (request, params));
return this.parseTransactions (response, currency, since, limit);
}
async fetchWithdrawals (code = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const endtime = 2505600000; // 29 days - exchange has maximum 30 days.
const now = this.milliseconds ();
const request = {
'types': 'WITHDRAWAL',
'end': now,
'start': (since !== undefined) ? parseInt (since) : now - endtime,
};
let currency = undefined;
if (code !== undefined) {
currency = this.currency (code);
}
if (limit !== undefined) {
request['limit'] = limit; // default is 100
}
if (since !== undefined) {
request['start'] = since;
}
const response = await this.privateGetPaymentHistoryTransactions (this.extend (request, params));
return this.parseTransactions (response, currency, since, limit);
}
async fetchDepositAddress (currency, params = {}) {
const request = {
'currency': currency,
};
const response = await this.privateGetPaymentGetAddress (this.extend (request, params));
let address = this.safeString (response, 'wallet');
let tag = undefined;
if (address.indexOf (':') >= 0) {
const parts = address.split (':');
address = parts[0];
tag = parts[2];
}
this.checkAddress (address);
return {
'currency': currency,
'address': address,
'tag': tag,
'info': response,
};
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'] + '/' + path;
const query = this.urlencode (this.keysort (params));
if (method === 'GET') {
if (Object.keys (params).length) {
url += '?' + query;
}
}
if (api === 'private') {
this.checkRequiredCredentials ();
if (method === 'POST') {
body = query;
}
const 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, response, requestHeaders, requestBody) {
if (response === undefined) {
return; // fallback to default error handler
}
if (code >= 300) {
const feedback = this.id + ' ' + body;
const errorCode = this.safeString (response, 'errorCode');
this.throwExactlyMatchedException (this.exceptions['exact'], errorCode, feedback);
throw new ExchangeError (feedback);
}
// returns status code 200 even if success === false
const success = this.safeValue (response, 'success', true);
if (!success) {
const feedback = this.id + ' ' + body;
const message = this.safeString2 (response, 'message', 'exception');
if (message !== undefined) {
this.throwBroadlyMatchedException (this.exceptions['broad'], message, feedback);
}
throw new ExchangeError (feedback);
}
}
};