254 lines
9.3 KiB
JavaScript
254 lines
9.3 KiB
JavaScript
'use strict';
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// ---------------------------------------------------------------------------
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const Exchange = require ('./base/Exchange');
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const { ExchangeError } = require ('./base/errors');
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// ---------------------------------------------------------------------------
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module.exports = class paymium extends Exchange {
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describe () {
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return this.deepExtend (super.describe (), {
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'id': 'paymium',
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'name': 'Paymium',
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'countries': [ 'FR', 'EU' ],
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'rateLimit': 2000,
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'version': 'v1',
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'has': {
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'CORS': true,
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},
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'urls': {
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'logo': 'https://user-images.githubusercontent.com/1294454/27790564-a945a9d4-5ff9-11e7-9d2d-b635763f2f24.jpg',
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'api': 'https://paymium.com/api',
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'www': 'https://www.paymium.com',
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'fees': 'https://www.paymium.com/page/help/fees',
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'doc': [
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'https://github.com/Paymium/api-documentation',
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'https://www.paymium.com/page/developers',
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],
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'referral': 'https://www.paymium.com/page/sign-up?referral=eDAzPoRQFMvaAB8sf-qj',
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},
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'api': {
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'public': {
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'get': [
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'countries',
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'data/{id}/ticker',
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'data/{id}/trades',
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'data/{id}/depth',
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'bitcoin_charts/{id}/trades',
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'bitcoin_charts/{id}/depth',
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],
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},
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'private': {
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'get': [
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'merchant/get_payment/{uuid}',
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'user',
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'user/addresses',
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'user/addresses/{btc_address}',
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'user/orders',
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'user/orders/{uuid}',
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'user/price_alerts',
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],
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'post': [
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'user/orders',
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'user/addresses',
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'user/payment_requests',
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'user/price_alerts',
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'merchant/create_payment',
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],
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'delete': [
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'user/orders/{uuid}/cancel',
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'user/price_alerts/{id}',
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],
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},
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},
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'markets': {
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'BTC/EUR': { 'id': 'eur', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR', 'baseId': 'btc', 'quoteId': 'eur' },
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},
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'fees': {
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'trading': {
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'maker': 0.002,
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'taker': 0.002,
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},
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},
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});
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}
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async fetchBalance (params = {}) {
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await this.loadMarkets ();
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const response = await this.privateGetUser (params);
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const result = { 'info': response };
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const currencies = Object.keys (this.currencies);
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for (let i = 0; i < currencies.length; i++) {
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const code = currencies[i];
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const currencyId = this.currencyId (code);
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const free = 'balance_' + currencyId;
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if (free in response) {
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const account = this.account ();
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const used = 'locked_' + currencyId;
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account['free'] = this.safeFloat (response, free);
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account['used'] = this.safeFloat (response, used);
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result[code] = account;
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}
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}
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return this.parseBalance (result);
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}
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async fetchOrderBook (symbol, limit = undefined, params = {}) {
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await this.loadMarkets ();
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const request = {
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'id': this.marketId (symbol),
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};
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const response = await this.publicGetDataIdDepth (this.extend (request, params));
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return this.parseOrderBook (response, undefined, 'bids', 'asks', 'price', 'amount');
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}
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async fetchTicker (symbol, params = {}) {
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const request = {
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'id': this.marketId (symbol),
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};
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const ticker = await this.publicGetDataIdTicker (this.extend (request, params));
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const timestamp = this.safeTimestamp (ticker, 'at');
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const vwap = this.safeFloat (ticker, 'vwap');
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const baseVolume = this.safeFloat (ticker, 'volume');
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let quoteVolume = undefined;
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if (baseVolume !== undefined && vwap !== undefined) {
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quoteVolume = baseVolume * vwap;
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}
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const last = this.safeFloat (ticker, 'price');
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return {
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'symbol': symbol,
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'high': this.safeFloat (ticker, 'high'),
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'low': this.safeFloat (ticker, 'low'),
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'bid': this.safeFloat (ticker, 'bid'),
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'bidVolume': undefined,
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'ask': this.safeFloat (ticker, 'ask'),
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'askVolume': undefined,
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'vwap': vwap,
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'open': this.safeFloat (ticker, 'open'),
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'close': last,
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'last': last,
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'previousClose': undefined,
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'change': undefined,
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'percentage': this.safeFloat (ticker, 'variation'),
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'average': undefined,
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'baseVolume': baseVolume,
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'quoteVolume': quoteVolume,
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'info': ticker,
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};
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}
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parseTrade (trade, market) {
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const timestamp = this.safeTimestamp (trade, 'created_at_int');
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const id = this.safeString (trade, 'uuid');
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let symbol = undefined;
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if (market !== undefined) {
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symbol = market['symbol'];
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}
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const side = this.safeString (trade, 'side');
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const price = this.safeFloat (trade, 'price');
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const amountField = 'traded_' + market['base'].toLowerCase ();
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const amount = this.safeFloat (trade, amountField);
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let cost = undefined;
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if (price !== undefined) {
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if (amount !== undefined) {
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cost = amount * price;
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}
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}
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return {
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'info': trade,
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'id': id,
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'order': undefined,
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'symbol': symbol,
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'type': undefined,
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'side': side,
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'takerOrMaker': undefined,
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'price': price,
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'amount': amount,
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'cost': cost,
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'fee': undefined,
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};
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}
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async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
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await this.loadMarkets ();
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const market = this.market (symbol);
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const request = {
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'id': market['id'],
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};
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const response = await this.publicGetDataIdTrades (this.extend (request, params));
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return this.parseTrades (response, market, since, limit);
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}
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async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
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await this.loadMarkets ();
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const request = {
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'type': this.capitalize (type) + 'Order',
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'currency': this.marketId (symbol),
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'direction': side,
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'amount': amount,
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};
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if (type !== 'market') {
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request['price'] = price;
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}
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const response = await this.privatePostUserOrders (this.extend (request, params));
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return {
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'info': response,
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'id': response['uuid'],
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};
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}
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async cancelOrder (id, symbol = undefined, params = {}) {
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const request = {
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'uuid': id,
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};
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return await this.privateDeleteUserOrdersUuidCancel (this.extend (request, params));
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}
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sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
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let url = this.urls['api'] + '/' + this.version + '/' + this.implodeParams (path, params);
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const query = this.omit (params, this.extractParams (path));
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if (api === 'public') {
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if (Object.keys (query).length) {
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url += '?' + this.urlencode (query);
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}
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} else {
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this.checkRequiredCredentials ();
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const nonce = this.nonce ().toString ();
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let auth = nonce + url;
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headers = {
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'Api-Key': this.apiKey,
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'Api-Nonce': nonce,
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};
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if (method === 'POST') {
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if (Object.keys (query).length) {
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body = this.json (query);
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auth += body;
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headers['Content-Type'] = 'application/json';
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}
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} else {
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if (Object.keys (query).length) {
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const queryString = this.urlencode (query);
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auth += queryString;
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url += '?' + queryString;
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}
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}
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headers['Api-Signature'] = this.hmac (this.encode (auth), this.encode (this.secret));
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}
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return { 'url': url, 'method': method, 'body': body, 'headers': headers };
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}
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async request (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
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const response = await this.fetch2 (path, api, method, params, headers, body);
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if ('errors' in response) {
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throw new ExchangeError (this.id + ' ' + this.json (response));
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}
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return response;
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}
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};
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