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'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 flowbtc extends Exchange {
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describe () {
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return this.deepExtend (super.describe (), {
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'id': 'flowbtc',
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'name': 'flowBTC',
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'countries': [ 'BR' ], // Brazil
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'version': 'v1',
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'rateLimit': 1000,
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'has': {
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'CORS': false,
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},
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'urls': {
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'logo': 'https://user-images.githubusercontent.com/1294454/28162465-cd815d4c-67cf-11e7-8e57-438bea0523a2.jpg',
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'api': 'https://publicapi.flowbtc.com.br',
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'www': 'https://www.flowbtc.com.br',
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'doc': 'https://www.flowbtc.com.br/api.html',
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},
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'requiredCredentials': {
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'apiKey': true,
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'secret': true,
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'uid': true,
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},
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'api': {
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'public': {
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'post': [
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'GetTicker',
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'GetTrades',
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'GetTradesByDate',
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'GetOrderBook',
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'GetProductPairs',
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'GetProducts',
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],
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},
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'private': {
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'post': [
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'CreateAccount',
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'GetUserInfo',
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'SetUserInfo',
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'GetAccountInfo',
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'GetAccountTrades',
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'GetDepositAddresses',
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'Withdraw',
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'CreateOrder',
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'ModifyOrder',
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'CancelOrder',
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'CancelAllOrders',
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'GetAccountOpenOrders',
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'GetOrderFee',
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],
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},
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},
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'fees': {
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'trading': {
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'tierBased': false,
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'percentage': true,
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'maker': 0.0025,
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'taker': 0.005,
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},
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},
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});
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}
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async fetchMarkets (params = {}) {
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const response = await this.publicPostGetProductPairs (params);
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const markets = this.safeValue (response, 'productPairs');
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const result = {};
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for (let i = 0; i < markets.length; i++) {
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const market = markets[i];
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const id = this.safeString (market, 'name');
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const baseId = this.safeString (market, 'product1Label');
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const quoteId = this.safeString (market, 'product2Label');
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const base = this.safeCurrencyCode (baseId);
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const quote = this.safeCurrencyCode (quoteId);
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const precision = {
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'amount': this.safeInteger (market, 'product1DecimalPlaces'),
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'price': this.safeInteger (market, 'product2DecimalPlaces'),
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};
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const symbol = base + '/' + quote;
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result[symbol] = {
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'id': id,
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'symbol': symbol,
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'base': base,
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'quote': quote,
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'baseId': baseId,
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'quoteId': quoteId,
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'precision': precision,
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'limits': {
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'amount': {
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'min': undefined,
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'max': undefined,
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},
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'price': {
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'min': undefined,
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'max': undefined,
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},
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'cost': {
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'min': undefined,
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'max': undefined,
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},
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},
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'info': market,
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'active': undefined,
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};
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}
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return result;
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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.privatePostGetAccountInfo (params);
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const balances = this.safeValue (response, 'currencies');
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const result = { 'info': response };
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for (let i = 0; i < balances.length; i++) {
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const balance = balances[i];
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const currencyId = balance['name'];
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const code = this.safeCurrencyCode (currencyId);
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const account = this.account ();
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account['free'] = this.safeFloat (balance, 'balance');
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account['total'] = this.safeFloat (balance, 'hold');
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result[code] = account;
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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 market = this.market (symbol);
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const request = {
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'productPair': market['id'],
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};
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const response = await this.publicPostGetOrderBook (this.extend (request, params));
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return this.parseOrderBook (response, undefined, 'bids', 'asks', 'px', 'qty');
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}
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async fetchTicker (symbol, 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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'productPair': market['id'],
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};
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const ticker = await this.publicPostGetTicker (this.extend (request, params));
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const timestamp = this.milliseconds ();
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const last = this.safeFloat (ticker, 'last');
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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': undefined,
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'open': undefined,
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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': undefined,
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'average': undefined,
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'baseVolume': this.safeFloat (ticker, 'volume24hr'),
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'quoteVolume': this.safeFloat (ticker, 'volume24hrProduct2'),
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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, 'unixtime');
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const side = (trade['incomingOrderSide'] === 0) ? 'buy' : 'sell';
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const id = this.safeString (trade, 'tid');
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const price = this.safeFloat (trade, 'px');
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const amount = this.safeFloat (trade, 'qty');
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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 = price * amount;
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}
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}
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return {
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'info': trade,
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'symbol': market['symbol'],
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'id': id,
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'order': undefined,
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'type': undefined,
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'side': side,
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'price': price,
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'amount': amount,
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'cost': cost,
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'takerOrMaker': undefined,
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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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'ins': market['id'],
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'startIndex': -1,
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};
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const response = await this.publicPostGetTrades (this.extend (request, params));
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return this.parseTrades (response['trades'], 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 orderType = (type === 'market') ? 1 : 0;
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const request = {
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'ins': this.marketId (symbol),
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'side': side,
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'orderType': orderType,
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'qty': amount,
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'px': this.priceToPrecision (symbol, price),
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};
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const response = await this.privatePostCreateOrder (this.extend (request, params));
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return {
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'info': response,
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'id': response['serverOrderId'],
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};
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}
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async cancelOrder (id, symbol = undefined, params = {}) {
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await this.loadMarkets ();
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if ('ins' in params) {
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const request = {
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'serverOrderId': id,
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};
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return await this.privatePostCancelOrder (this.extend (request, params));
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}
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throw new ExchangeError (this.id + ' requires `ins` symbol parameter for cancelling an order');
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}
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sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
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const url = this.urls['api'] + '/' + this.version + '/' + path;
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if (api === 'public') {
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if (Object.keys (params).length) {
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body = this.json (params);
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}
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} else {
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this.checkRequiredCredentials ();
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const nonce = this.nonce ();
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const auth = nonce.toString () + this.uid + this.apiKey;
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const signature = this.hmac (this.encode (auth), this.encode (this.secret));
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body = this.json (this.extend ({
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'apiKey': this.apiKey,
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'apiNonce': nonce,
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'apiSig': signature.toUpperCase (),
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}, params));
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headers = {
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'Content-Type': 'application/json',
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};
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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 ('isAccepted' in response) {
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if (response['isAccepted']) {
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return response;
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}
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}
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throw new ExchangeError (this.id + ' ' + this.json (response));
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}
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};
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