sfccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
762 lines (739 loc) • 32.8 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { TICK_SIZE } = require ('./base/functions/number');
const Precise = require ('./base/Precise');
// ---------------------------------------------------------------------------
module.exports = class independentreserve extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'independentreserve',
'name': 'Independent Reserve',
'countries': [ 'AU', 'NZ' ], // Australia, New Zealand
'rateLimit': 1000,
'has': {
'CORS': undefined,
'spot': true,
'margin': false,
'swap': false,
'future': false,
'option': false,
'addMargin': false,
'cancelOrder': true,
'createOrder': true,
'createReduceOnlyOrder': false,
'createStopLimitOrder': false,
'createStopMarketOrder': false,
'createStopOrder': false,
'fetchBalance': true,
'fetchBorrowRate': false,
'fetchBorrowRateHistories': false,
'fetchBorrowRateHistory': false,
'fetchBorrowRates': false,
'fetchBorrowRatesPerSymbol': false,
'fetchClosedOrders': true,
'fetchFundingHistory': false,
'fetchFundingRate': false,
'fetchFundingRateHistory': false,
'fetchFundingRates': false,
'fetchIndexOHLCV': false,
'fetchLeverage': false,
'fetchLeverageTiers': false,
'fetchMarginMode': false,
'fetchMarkets': true,
'fetchMarkOHLCV': false,
'fetchMyTrades': true,
'fetchOpenInterestHistory': false,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderBook': true,
'fetchPosition': false,
'fetchPositionMode': false,
'fetchPositions': false,
'fetchPositionsRisk': false,
'fetchPremiumIndexOHLCV': false,
'fetchTicker': true,
'fetchTrades': true,
'fetchTradingFee': false,
'fetchTradingFees': true,
'reduceMargin': false,
'setLeverage': false,
'setMarginMode': false,
'setPositionMode': false,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/51840849/87182090-1e9e9080-c2ec-11ea-8e49-563db9a38f37.jpg',
'api': {
'public': 'https://api.independentreserve.com/Public',
'private': 'https://api.independentreserve.com/Private',
},
'www': 'https://www.independentreserve.com',
'doc': 'https://www.independentreserve.com/API',
},
'api': {
'public': {
'get': [
'GetValidPrimaryCurrencyCodes',
'GetValidSecondaryCurrencyCodes',
'GetValidLimitOrderTypes',
'GetValidMarketOrderTypes',
'GetValidOrderTypes',
'GetValidTransactionTypes',
'GetMarketSummary',
'GetOrderBook',
'GetAllOrders',
'GetTradeHistorySummary',
'GetRecentTrades',
'GetFxRates',
'GetOrderMinimumVolumes',
'GetCryptoWithdrawalFees',
],
},
'private': {
'post': [
'GetOpenOrders',
'GetClosedOrders',
'GetClosedFilledOrders',
'GetOrderDetails',
'GetAccounts',
'GetTransactions',
'GetFiatBankAccounts',
'GetDigitalCurrencyDepositAddress',
'GetDigitalCurrencyDepositAddresses',
'GetTrades',
'GetBrokerageFees',
'GetDigitalCurrencyWithdrawal',
'PlaceLimitOrder',
'PlaceMarketOrder',
'CancelOrder',
'SynchDigitalCurrencyDepositAddressWithBlockchain',
'RequestFiatWithdrawal',
'WithdrawFiatCurrency',
'WithdrawDigitalCurrency',
],
},
},
'fees': {
'trading': {
'taker': this.parseNumber ('0.005'),
'maker': this.parseNumber ('0.005'),
'percentage': true,
'tierBased': false,
},
},
'commonCurrencies': {
'PLA': 'PlayChip',
},
'precisionMode': TICK_SIZE,
});
}
async fetchMarkets (params = {}) {
/**
* @method
* @name independentreserve#fetchMarkets
* @description retrieves data on all markets for independentreserve
* @param {object} params extra parameters specific to the exchange api endpoint
* @returns {[object]} an array of objects representing market data
*/
const baseCurrencies = await this.publicGetGetValidPrimaryCurrencyCodes (params);
// ['Xbt', 'Eth', 'Usdt', ...]
const quoteCurrencies = await this.publicGetGetValidSecondaryCurrencyCodes (params);
// ['Aud', 'Usd', 'Nzd', 'Sgd']
const limits = await this.publicGetGetOrderMinimumVolumes (params);
//
// {
// "Xbt": 0.0001,
// "Eth": 0.001,
// "Ltc": 0.01,
// "Xrp": 1.0,
// }
//
const result = [];
for (let i = 0; i < baseCurrencies.length; i++) {
const baseId = baseCurrencies[i];
const base = this.safeCurrencyCode (baseId);
const minAmount = this.safeNumber (limits, baseId);
for (let j = 0; j < quoteCurrencies.length; j++) {
const quoteId = quoteCurrencies[j];
const quote = this.safeCurrencyCode (quoteId);
const id = baseId + '/' + quoteId;
result.push ({
'id': id,
'symbol': base + '/' + quote,
'base': base,
'quote': quote,
'settle': undefined,
'baseId': baseId,
'quoteId': quoteId,
'settleId': undefined,
'type': 'spot',
'spot': true,
'margin': false,
'swap': false,
'future': false,
'option': false,
'active': undefined,
'contract': false,
'linear': undefined,
'inverse': undefined,
'contractSize': undefined,
'expiry': undefined,
'expiryDatetime': undefined,
'strike': undefined,
'optionType': undefined,
'precision': {
'amount': undefined,
'price': undefined,
},
'limits': {
'leverage': {
'min': undefined,
'max': undefined,
},
'amount': {
'min': minAmount,
'max': undefined,
},
'price': {
'min': undefined,
'max': undefined,
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': id,
});
}
}
return result;
}
parseBalance (response) {
const result = { 'info': response };
for (let i = 0; i < response.length; i++) {
const balance = response[i];
const currencyId = this.safeString (balance, 'CurrencyCode');
const code = this.safeCurrencyCode (currencyId);
const account = this.account ();
account['free'] = this.safeString (balance, 'AvailableBalance');
account['total'] = this.safeString (balance, 'TotalBalance');
result[code] = account;
}
return this.safeBalance (result);
}
async fetchBalance (params = {}) {
/**
* @method
* @name independentreserve#fetchBalance
* @description query for balance and get the amount of funds available for trading or funds locked in orders
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {object} a [balance structure]{@link https://docs.ccxt.com/en/latest/manual.html?#balance-structure}
*/
await this.loadMarkets ();
const response = await this.privatePostGetAccounts (params);
return this.parseBalance (response);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
/**
* @method
* @name independentreserve#fetchOrderBook
* @description fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
* @param {string} symbol unified symbol of the market to fetch the order book for
* @param {int|undefined} limit the maximum amount of order book entries to return
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/en/latest/manual.html#order-book-structure} indexed by market symbols
*/
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'primaryCurrencyCode': market['baseId'],
'secondaryCurrencyCode': market['quoteId'],
};
const response = await this.publicGetGetOrderBook (this.extend (request, params));
const timestamp = this.parse8601 (this.safeString (response, 'CreatedTimestampUtc'));
return this.parseOrderBook (response, market['symbol'], timestamp, 'BuyOrders', 'SellOrders', 'Price', 'Volume');
}
parseTicker (ticker, market = undefined) {
// {
// "DayHighestPrice":43489.49,
// "DayLowestPrice":41998.32,
// "DayAvgPrice":42743.9,
// "DayVolumeXbt":44.54515625000,
// "DayVolumeXbtInSecondaryCurrrency":0.12209818,
// "CurrentLowestOfferPrice":43619.64,
// "CurrentHighestBidPrice":43153.58,
// "LastPrice":43378.43,
// "PrimaryCurrencyCode":"Xbt",
// "SecondaryCurrencyCode":"Usd",
// "CreatedTimestampUtc":"2022-01-14T22:52:29.5029223Z"
// }
const timestamp = this.parse8601 (this.safeString (ticker, 'CreatedTimestampUtc'));
const baseId = this.safeString (ticker, 'PrimaryCurrencyCode');
const quoteId = this.safeString (ticker, 'SecondaryCurrencyCode');
let defaultMarketId = undefined;
if ((baseId !== undefined) && (quoteId !== undefined)) {
defaultMarketId = baseId + '/' + quoteId;
}
market = this.safeMarket (defaultMarketId, market, '/');
const symbol = market['symbol'];
const last = this.safeString (ticker, 'LastPrice');
return this.safeTicker ({
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeString (ticker, 'DayHighestPrice'),
'low': this.safeString (ticker, 'DayLowestPrice'),
'bid': this.safeString (ticker, 'CurrentHighestBidPrice'),
'bidVolume': undefined,
'ask': this.safeString (ticker, 'CurrentLowestOfferPrice'),
'askVolume': undefined,
'vwap': undefined,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': this.safeString (ticker, 'DayAvgPrice'),
'baseVolume': this.safeString (ticker, 'DayVolumeXbtInSecondaryCurrrency'),
'quoteVolume': undefined,
'info': ticker,
}, market);
}
async fetchTicker (symbol, params = {}) {
/**
* @method
* @name independentreserve#fetchTicker
* @description fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
* @param {string} symbol unified symbol of the market to fetch the ticker for
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {object} a [ticker structure]{@link https://docs.ccxt.com/en/latest/manual.html#ticker-structure}
*/
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'primaryCurrencyCode': market['baseId'],
'secondaryCurrencyCode': market['quoteId'],
};
const response = await this.publicGetGetMarketSummary (this.extend (request, params));
// {
// "DayHighestPrice":43489.49,
// "DayLowestPrice":41998.32,
// "DayAvgPrice":42743.9,
// "DayVolumeXbt":44.54515625000,
// "DayVolumeXbtInSecondaryCurrrency":0.12209818,
// "CurrentLowestOfferPrice":43619.64,
// "CurrentHighestBidPrice":43153.58,
// "LastPrice":43378.43,
// "PrimaryCurrencyCode":"Xbt",
// "SecondaryCurrencyCode":"Usd",
// "CreatedTimestampUtc":"2022-01-14T22:52:29.5029223Z"
// }
return this.parseTicker (response, market);
}
parseOrder (order, market = undefined) {
//
// fetchOrder
//
// {
// "OrderGuid": "c7347e4c-b865-4c94-8f74-d934d4b0b177",
// "CreatedTimestampUtc": "2014-09-23T12:39:34.3817763Z",
// "Type": "MarketBid",
// "VolumeOrdered": 5.0,
// "VolumeFilled": 5.0,
// "Price": null,
// "AvgPrice": 100.0,
// "ReservedAmount": 0.0,
// "Status": "Filled",
// "PrimaryCurrencyCode": "Xbt",
// "SecondaryCurrencyCode": "Usd"
// }
//
// fetchOpenOrders & fetchClosedOrders
//
// {
// "OrderGuid": "b8f7ad89-e4e4-4dfe-9ea3-514d38b5edb3",
// "CreatedTimestampUtc": "2020-09-08T03:04:18.616367Z",
// "OrderType": "LimitOffer",
// "Volume": 0.0005,
// "Outstanding": 0.0005,
// "Price": 113885.83,
// "AvgPrice": 113885.83,
// "Value": 56.94,
// "Status": "Open",
// "PrimaryCurrencyCode": "Xbt",
// "SecondaryCurrencyCode": "Usd",
// "FeePercent": 0.005,
// }
//
let symbol = undefined;
const baseId = this.safeString (order, 'PrimaryCurrencyCode');
const quoteId = this.safeString (order, 'SecondaryCurrencyCode');
let base = undefined;
let quote = undefined;
if ((baseId !== undefined) && (quoteId !== undefined)) {
base = this.safeCurrencyCode (baseId);
quote = this.safeCurrencyCode (quoteId);
symbol = base + '/' + quote;
} else if (market !== undefined) {
symbol = market['symbol'];
base = market['base'];
quote = market['quote'];
}
let orderType = this.safeString2 (order, 'Type', 'OrderType');
let side = undefined;
if (orderType !== undefined) {
if (orderType.indexOf ('Bid') >= 0) {
side = 'buy';
} else if (orderType.indexOf ('Offer') >= 0) {
side = 'sell';
}
if (orderType.indexOf ('Market') >= 0) {
orderType = 'market';
} else if (orderType.indexOf ('Limit') >= 0) {
orderType = 'limit';
}
}
const timestamp = this.parse8601 (this.safeString (order, 'CreatedTimestampUtc'));
const filled = this.safeString (order, 'VolumeFilled');
const feeRate = this.safeString (order, 'FeePercent');
let feeCost = undefined;
if (feeRate !== undefined && filled !== undefined) {
feeCost = Precise.stringMul (feeRate, filled);
}
return this.safeOrder ({
'info': order,
'id': this.safeString (order, 'OrderGuid'),
'clientOrderId': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'symbol': symbol,
'type': orderType,
'timeInForce': undefined,
'postOnly': undefined,
'side': side,
'price': this.safeString (order, 'Price'),
'stopPrice': undefined,
'cost': this.safeString (order, 'Value'),
'average': this.safeString (order, 'AvgPrice'),
'amount': this.safeString2 (order, 'VolumeOrdered', 'Volume'),
'filled': filled,
'remaining': this.safeString (order, 'Outstanding'),
'status': this.parseOrderStatus (this.safeString (order, 'Status')),
'fee': {
'rate': feeRate,
'cost': feeCost,
'currency': base,
},
'trades': undefined,
}, market);
}
parseOrderStatus (status) {
const statuses = {
'Open': 'open',
'PartiallyFilled': 'open',
'Filled': 'closed',
'PartiallyFilledAndCancelled': 'canceled',
'Cancelled': 'canceled',
'PartiallyFilledAndExpired': 'canceled',
'Expired': 'canceled',
};
return this.safeString (statuses, status, status);
}
async fetchOrder (id, symbol = undefined, params = {}) {
/**
* @method
* @name independentreserve#fetchOrder
* @description fetches information on an order made by the user
* @param {string|undefined} symbol unified symbol of the market the order was made in
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {object} An [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
const response = await this.privatePostGetOrderDetails (this.extend ({
'orderGuid': id,
}, params));
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
}
return this.parseOrder (response, market);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name independentreserve#fetchOpenOrders
* @description fetch all unfilled currently open orders
* @param {string|undefined} symbol unified market symbol
* @param {int|undefined} since the earliest time in ms to fetch open orders for
* @param {int|undefined} limit the maximum number of open orders structures to retrieve
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {[object]} a list of [order structures]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
const request = this.ordered ({});
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
request['primaryCurrencyCode'] = market['baseId'];
request['secondaryCurrencyCode'] = market['quoteId'];
}
if (limit === undefined) {
limit = 50;
}
request['pageIndex'] = 1;
request['pageSize'] = limit;
const response = await this.privatePostGetOpenOrders (this.extend (request, params));
const data = this.safeValue (response, 'Data', []);
return this.parseOrders (data, market, since, limit);
}
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name independentreserve#fetchClosedOrders
* @description fetches information on multiple closed orders made by the user
* @param {string|undefined} symbol unified market symbol of the market orders were made in
* @param {int|undefined} since the earliest time in ms to fetch orders for
* @param {int|undefined} limit the maximum number of orde structures to retrieve
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {[object]} a list of [order structures]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
const request = this.ordered ({});
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
request['primaryCurrencyCode'] = market['baseId'];
request['secondaryCurrencyCode'] = market['quoteId'];
}
if (limit === undefined) {
limit = 50;
}
request['pageIndex'] = 1;
request['pageSize'] = limit;
const response = await this.privatePostGetClosedOrders (this.extend (request, params));
const data = this.safeValue (response, 'Data', []);
return this.parseOrders (data, market, since, limit);
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = 50, params = {}) {
/**
* @method
* @name independentreserve#fetchMyTrades
* @description fetch all trades made by the user
* @param {string|undefined} symbol unified market symbol
* @param {int|undefined} since the earliest time in ms to fetch trades for
* @param {int|undefined} limit the maximum number of trades structures to retrieve
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {[object]} a list of [trade structures]{@link https://docs.ccxt.com/en/latest/manual.html#trade-structure}
*/
await this.loadMarkets ();
const pageIndex = this.safeInteger (params, 'pageIndex', 1);
if (limit === undefined) {
limit = 50;
}
const request = this.ordered ({
'pageIndex': pageIndex,
'pageSize': limit,
});
const response = await this.privatePostGetTrades (this.extend (request, params));
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
}
return this.parseTrades (response['Data'], market, since, limit);
}
parseTrade (trade, market = undefined) {
const timestamp = this.parse8601 (trade['TradeTimestampUtc']);
const id = this.safeString (trade, 'TradeGuid');
const orderId = this.safeString (trade, 'OrderGuid');
const priceString = this.safeString2 (trade, 'Price', 'SecondaryCurrencyTradePrice');
const amountString = this.safeString2 (trade, 'VolumeTraded', 'PrimaryCurrencyAmount');
const price = this.parseNumber (priceString);
const amount = this.parseNumber (amountString);
const cost = this.parseNumber (Precise.stringMul (priceString, amountString));
const baseId = this.safeString (trade, 'PrimaryCurrencyCode');
const quoteId = this.safeString (trade, 'SecondaryCurrencyCode');
let marketId = undefined;
if ((baseId !== undefined) && (quoteId !== undefined)) {
marketId = baseId + '/' + quoteId;
}
const symbol = this.safeSymbol (marketId, market, '/');
let side = this.safeString (trade, 'OrderType');
if (side !== undefined) {
if (side.indexOf ('Bid') >= 0) {
side = 'buy';
} else if (side.indexOf ('Offer') >= 0) {
side = 'sell';
}
}
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': undefined,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name independentreserve#fetchTrades
* @description get the list of most recent trades for a particular symbol
* @param {string} symbol unified symbol of the market to fetch trades for
* @param {int|undefined} since timestamp in ms of the earliest trade to fetch
* @param {int|undefined} limit the maximum amount of trades to fetch
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {[object]} a list of [trade structures]{@link https://docs.ccxt.com/en/latest/manual.html?#public-trades}
*/
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'primaryCurrencyCode': market['baseId'],
'secondaryCurrencyCode': market['quoteId'],
'numberOfRecentTradesToRetrieve': 50, // max = 50
};
const response = await this.publicGetGetRecentTrades (this.extend (request, params));
return this.parseTrades (response['Trades'], market, since, limit);
}
async fetchTradingFees (params = {}) {
/**
* @method
* @name independentreserve#fetchTradingFees
* @description fetch the trading fees for multiple markets
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {object} a dictionary of [fee structures]{@link https://docs.ccxt.com/en/latest/manual.html#fee-structure} indexed by market symbols
*/
await this.loadMarkets ();
const response = await this.privatePostGetBrokerageFees (params);
//
// [
// {
// "CurrencyCode": "Xbt",
// "Fee": 0.005
// }
// ...
// ]
//
const fees = {};
for (let i = 0; i < response.length; i++) {
const fee = response[i];
const currencyId = this.safeString (fee, 'CurrencyCode');
const code = this.safeCurrencyCode (currencyId);
const tradingFee = this.safeNumber (fee, 'Fee');
fees[code] = {
'info': fee,
'fee': tradingFee,
};
}
const result = {};
for (let i = 0; i < this.symbols.length; i++) {
const symbol = this.symbols[i];
const market = this.market (symbol);
const fee = this.safeValue (fees, market['base'], {});
result[symbol] = {
'info': this.safeValue (fee, 'info'),
'symbol': symbol,
'maker': this.safeNumber (fee, 'fee'),
'taker': this.safeNumber (fee, 'fee'),
'percentage': true,
'tierBased': true,
};
}
return result;
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
/**
* @method
* @name independentreserve#createOrder
* @description create a trade order
* @param {string} symbol unified symbol of the market to create an order in
* @param {string} type 'market' or 'limit'
* @param {string} side 'buy' or 'sell'
* @param {float} amount how much of currency you want to trade in units of base currency
* @param {float|undefined} price the price at which the order is to be fullfilled, in units of the quote currency, ignored in market orders
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {object} an [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
const market = this.market (symbol);
const capitalizedOrderType = this.capitalize (type);
const method = 'privatePostPlace' + capitalizedOrderType + 'Order';
let orderType = capitalizedOrderType;
orderType += (side === 'sell') ? 'Offer' : 'Bid';
const request = this.ordered ({
'primaryCurrencyCode': market['baseId'],
'secondaryCurrencyCode': market['quoteId'],
'orderType': orderType,
});
if (type === 'limit') {
request['price'] = price;
}
request['volume'] = amount;
const response = await this[method] (this.extend (request, params));
return {
'info': response,
'id': response['OrderGuid'],
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
/**
* @method
* @name independentreserve#cancelOrder
* @description cancels an open order
* @param {string} id order id
* @param {string|undefined} symbol unified symbol of the market the order was made in
* @param {object} params extra parameters specific to the independentreserve api endpoint
* @returns {object} An [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
const request = {
'orderGuid': id,
};
return await this.privatePostCancelOrder (this.extend (request, params));
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'][api] + '/' + path;
if (api === 'public') {
if (Object.keys (params).length) {
url += '?' + this.urlencode (params);
}
} else {
this.checkRequiredCredentials ();
const nonce = this.nonce ();
const auth = [
url,
'apiKey=' + this.apiKey,
'nonce=' + nonce.toString (),
];
const keys = Object.keys (params);
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const value = params[key].toString ();
auth.push (key + '=' + value);
}
const message = auth.join (',');
const signature = this.hmac (this.encode (message), this.encode (this.secret));
const query = this.ordered ({});
query['apiKey'] = this.apiKey;
query['nonce'] = nonce;
query['signature'] = signature.toUpperCase ();
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
query[key] = params[key];
}
body = this.json (query);
headers = { 'Content-Type': 'application/json' };
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
};