consequunturatque
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
283 lines (268 loc) • 10.7 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError } = require ('./base/errors');
const Precise = require ('./base/Precise');
// ---------------------------------------------------------------------------
module.exports = class flowbtc extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'flowbtc',
'name': 'flowBTC',
'countries': [ 'BR' ], // Brazil
'version': 'v1',
'rateLimit': 1000,
'has': {
'cancelOrder': true,
'CORS': false,
'createOrder': true,
'fetchBalance': true,
'fetchMarkets': true,
'fetchOrderBook': true,
'fetchTicker': true,
'fetchTrades': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/51840849/87443317-01c0d080-c5fe-11ea-95c2-9ebe1a8fafd9.jpg',
'api': 'https://publicapi.flowbtc.com.br',
'www': 'https://www.flowbtc.com.br',
'doc': 'https://www.flowbtc.com.br/api.html',
},
'requiredCredentials': {
'apiKey': true,
'secret': true,
'uid': true,
},
'api': {
'public': {
'post': [
'GetTicker',
'GetTrades',
'GetTradesByDate',
'GetOrderBook',
'GetProductPairs',
'GetProducts',
],
},
'private': {
'post': [
'CreateAccount',
'GetUserInfo',
'SetUserInfo',
'GetAccountInfo',
'GetAccountTrades',
'GetDepositAddresses',
'Withdraw',
'CreateOrder',
'ModifyOrder',
'CancelOrder',
'CancelAllOrders',
'GetAccountOpenOrders',
'GetOrderFee',
],
},
},
'fees': {
'trading': {
'tierBased': false,
'percentage': true,
'maker': 0.0025,
'taker': 0.005,
},
},
});
}
async fetchMarkets (params = {}) {
const response = await this.publicPostGetProductPairs (params);
const markets = this.safeValue (response, 'productPairs');
const result = {};
for (let i = 0; i < markets.length; i++) {
const market = markets[i];
const id = this.safeString (market, 'name');
const baseId = this.safeString (market, 'product1Label');
const quoteId = this.safeString (market, 'product2Label');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
const precision = {
'amount': this.safeInteger (market, 'product1DecimalPlaces'),
'price': this.safeInteger (market, 'product2DecimalPlaces'),
};
const symbol = base + '/' + quote;
result[symbol] = {
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
'precision': precision,
'limits': {
'amount': {
'min': undefined,
'max': undefined,
},
'price': {
'min': undefined,
'max': undefined,
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': market,
'active': undefined,
};
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const response = await this.privatePostGetAccountInfo (params);
const balances = this.safeValue (response, 'currencies');
const result = { 'info': response };
for (let i = 0; i < balances.length; i++) {
const balance = balances[i];
const currencyId = balance['name'];
const code = this.safeCurrencyCode (currencyId);
const account = this.account ();
account['free'] = this.safeString (balance, 'balance');
account['total'] = this.safeString (balance, 'hold');
result[code] = account;
}
return this.parseBalance (result, false);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'productPair': market['id'],
};
const response = await this.publicPostGetOrderBook (this.extend (request, params));
return this.parseOrderBook (response, symbol, undefined, 'bids', 'asks', 'px', 'qty');
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'productPair': market['id'],
};
const ticker = await this.publicPostGetTicker (this.extend (request, params));
const timestamp = this.milliseconds ();
const last = this.safeNumber (ticker, 'last');
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeNumber (ticker, 'high'),
'low': this.safeNumber (ticker, 'low'),
'bid': this.safeNumber (ticker, 'bid'),
'bidVolume': undefined,
'ask': this.safeNumber (ticker, 'ask'),
'askVolume': undefined,
'vwap': undefined,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': this.safeNumber (ticker, 'volume24hr'),
'quoteVolume': this.safeNumber (ticker, 'volume24hrProduct2'),
'info': ticker,
};
}
parseTrade (trade, market) {
const timestamp = this.safeTimestamp (trade, 'unixtime');
const side = (trade['incomingOrderSide'] === 0) ? 'buy' : 'sell';
const id = this.safeString (trade, 'tid');
const priceString = this.safeString (trade, 'px');
const amountString = this.safeString (trade, 'qty');
const price = this.parseNumber (priceString);
const amount = this.parseNumber (amountString);
const cost = this.parseNumber (Precise.stringMul (priceString, amountString));
return {
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'id': id,
'order': undefined,
'type': undefined,
'side': side,
'price': price,
'amount': amount,
'cost': cost,
'takerOrMaker': undefined,
'fee': undefined,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'ins': market['id'],
'startIndex': -1,
};
const response = await this.publicPostGetTrades (this.extend (request, params));
return this.parseTrades (response['trades'], market, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const orderType = (type === 'market') ? 1 : 0;
const request = {
'ins': this.marketId (symbol),
'side': side,
'orderType': orderType,
'qty': amount,
'px': this.priceToPrecision (symbol, price),
};
const response = await this.privatePostCreateOrder (this.extend (request, params));
return {
'info': response,
'id': response['serverOrderId'],
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
if ('ins' in params) {
const request = {
'serverOrderId': id,
};
return await this.privatePostCancelOrder (this.extend (request, params));
}
throw new ExchangeError (this.id + ' cancelOrder() requires an `ins` symbol parameter for cancelling an order');
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
const url = this.urls['api'] + '/' + this.version + '/' + path;
if (api === 'public') {
if (Object.keys (params).length) {
body = this.json (params);
}
} else {
this.checkRequiredCredentials ();
const nonce = this.nonce ();
const auth = nonce.toString () + this.uid + this.apiKey;
const signature = this.hmac (this.encode (auth), this.encode (this.secret));
body = this.json (this.extend ({
'apiKey': this.apiKey,
'apiNonce': nonce,
'apiSig': signature.toUpperCase (),
}, params));
headers = {
'Content-Type': 'application/json',
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
async request (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
const response = await this.fetch2 (path, api, method, params, headers, body);
if ('isAccepted' in response) {
if (response['isAccepted']) {
return response;
}
}
throw new ExchangeError (this.id + ' ' + this.json (response));
}
};