450 lines
16 KiB
JavaScript
450 lines
16 KiB
JavaScript
'use strict';
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
const Exchange = require ('./base/Exchange');
|
|
const { ExchangeError, AuthenticationError, RateLimitExceeded, ArgumentsRequired } = require ('./base/errors');
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
module.exports = class coinfalcon extends Exchange {
|
|
describe () {
|
|
return this.deepExtend (super.describe (), {
|
|
'id': 'coinfalcon',
|
|
'name': 'CoinFalcon',
|
|
'countries': [ 'GB' ],
|
|
'rateLimit': 1000,
|
|
'version': 'v1',
|
|
'has': {
|
|
'fetchTickers': true,
|
|
'fetchOpenOrders': true,
|
|
'fetchMyTrades': true,
|
|
},
|
|
'urls': {
|
|
'logo': 'https://user-images.githubusercontent.com/1294454/41822275-ed982188-77f5-11e8-92bb-496bcd14ca52.jpg',
|
|
'api': 'https://coinfalcon.com',
|
|
'www': 'https://coinfalcon.com',
|
|
'doc': 'https://docs.coinfalcon.com',
|
|
'fees': 'https://coinfalcon.com/fees',
|
|
'referral': 'https://coinfalcon.com/?ref=CFJSVGTUPASB',
|
|
},
|
|
'api': {
|
|
'public': {
|
|
'get': [
|
|
'markets',
|
|
'markets/{market}/orders',
|
|
'markets/{market}/trades',
|
|
],
|
|
},
|
|
'private': {
|
|
'get': [
|
|
'user/accounts',
|
|
'user/orders',
|
|
'user/orders/{id}',
|
|
'user/trades',
|
|
],
|
|
'post': [
|
|
'user/orders',
|
|
],
|
|
'delete': [
|
|
'user/orders/{id}',
|
|
],
|
|
},
|
|
},
|
|
'fees': {
|
|
'trading': {
|
|
'tierBased': true,
|
|
'maker': 0.0,
|
|
'taker': 0.002, // tiered fee starts at 0.2%
|
|
},
|
|
},
|
|
'precision': {
|
|
'amount': 8,
|
|
'price': 8,
|
|
},
|
|
});
|
|
}
|
|
|
|
async fetchMarkets (params = {}) {
|
|
const response = await this.publicGetMarkets (params);
|
|
const markets = this.safeValue (response, 'data');
|
|
const result = [];
|
|
for (let i = 0; i < markets.length; i++) {
|
|
const market = markets[i];
|
|
const [ baseId, quoteId ] = market['name'].split ('-');
|
|
const base = this.safeCurrencyCode (baseId);
|
|
const quote = this.safeCurrencyCode (quoteId);
|
|
const symbol = base + '/' + quote;
|
|
const precision = {
|
|
'amount': this.safeInteger (market, 'size_precision'),
|
|
'price': this.safeInteger (market, 'price_precision'),
|
|
};
|
|
result.push ({
|
|
'id': market['name'],
|
|
'symbol': symbol,
|
|
'base': base,
|
|
'quote': quote,
|
|
'baseId': baseId,
|
|
'quoteId': quoteId,
|
|
'active': true,
|
|
'precision': precision,
|
|
'limits': {
|
|
'amount': {
|
|
'min': Math.pow (10, -precision['amount']),
|
|
'max': undefined,
|
|
},
|
|
'price': {
|
|
'min': Math.pow (10, -precision['price']),
|
|
'max': undefined,
|
|
},
|
|
'cost': {
|
|
'min': undefined,
|
|
'max': undefined,
|
|
},
|
|
},
|
|
'info': market,
|
|
});
|
|
}
|
|
return result;
|
|
}
|
|
|
|
parseTicker (ticker, market = undefined) {
|
|
if (market === undefined) {
|
|
const marketId = this.safeString (ticker, 'name');
|
|
market = this.safeValue (this.markets_by_id, marketId, market);
|
|
}
|
|
let symbol = undefined;
|
|
if (market !== undefined) {
|
|
symbol = market['symbol'];
|
|
}
|
|
const timestamp = this.milliseconds ();
|
|
const last = parseFloat (ticker['last_price']);
|
|
return {
|
|
'symbol': symbol,
|
|
'timestamp': timestamp,
|
|
'datetime': this.iso8601 (timestamp),
|
|
'high': undefined,
|
|
'low': undefined,
|
|
'bid': undefined,
|
|
'bidVolume': undefined,
|
|
'ask': undefined,
|
|
'askVolume': undefined,
|
|
'vwap': undefined,
|
|
'open': undefined,
|
|
'close': last,
|
|
'last': last,
|
|
'previousClose': undefined,
|
|
'change': this.safeFloat (ticker, 'change_in_24h'),
|
|
'percentage': undefined,
|
|
'average': undefined,
|
|
'baseVolume': undefined,
|
|
'quoteVolume': this.safeFloat (ticker, 'volume'),
|
|
'info': ticker,
|
|
};
|
|
}
|
|
|
|
async fetchTicker (symbol, params = {}) {
|
|
await this.loadMarkets ();
|
|
const tickers = await this.fetchTickers (params);
|
|
return tickers[symbol];
|
|
}
|
|
|
|
async fetchTickers (symbols = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const response = await this.publicGetMarkets (params);
|
|
const tickers = this.safeValue (response, 'data');
|
|
const result = {};
|
|
for (let i = 0; i < tickers.length; i++) {
|
|
const ticker = this.parseTicker (tickers[i]);
|
|
const symbol = ticker['symbol'];
|
|
result[symbol] = ticker;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
async fetchOrderBook (symbol, limit = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const request = {
|
|
'market': this.marketId (symbol),
|
|
'level': '3',
|
|
};
|
|
const response = await this.publicGetMarketsMarketOrders (this.extend (request, params));
|
|
return this.parseOrderBook (response['data'], undefined, 'bids', 'asks', 'price', 'size');
|
|
}
|
|
|
|
parseTrade (trade, market = undefined) {
|
|
const timestamp = this.parse8601 (this.safeString (trade, 'created_at'));
|
|
const price = this.safeFloat (trade, 'price');
|
|
const amount = this.safeFloat (trade, 'size');
|
|
const symbol = market['symbol'];
|
|
let cost = undefined;
|
|
if (price !== undefined) {
|
|
if (amount !== undefined) {
|
|
cost = parseFloat (this.costToPrecision (symbol, price * amount));
|
|
}
|
|
}
|
|
const tradeId = this.safeString (trade, 'id');
|
|
const side = this.safeString (trade, 'side');
|
|
const orderId = this.safeString (trade, 'order_id');
|
|
let fee = undefined;
|
|
const feeCost = this.safeFloat (trade, 'fee');
|
|
if (feeCost !== undefined) {
|
|
const feeCurrencyCode = this.safeString (trade, 'fee_currency_code');
|
|
fee = {
|
|
'cost': feeCost,
|
|
'currency': this.safeCurrencyCode (feeCurrencyCode),
|
|
};
|
|
}
|
|
return {
|
|
'info': trade,
|
|
'timestamp': timestamp,
|
|
'datetime': this.iso8601 (timestamp),
|
|
'symbol': symbol,
|
|
'id': tradeId,
|
|
'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 = {}) {
|
|
if (symbol === undefined) {
|
|
throw new ArgumentsRequired (this.id + ' fetchMyTrades requires a symbol argument');
|
|
}
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
const request = {
|
|
'market': market['id'],
|
|
};
|
|
if (since !== undefined) {
|
|
request['start_time'] = this.iso8601 (since);
|
|
}
|
|
if (limit !== undefined) {
|
|
request['limit'] = limit;
|
|
}
|
|
const response = await this.privateGetUserTrades (this.extend (request, params));
|
|
return this.parseTrades (response['data'], market, since, limit);
|
|
}
|
|
|
|
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
const request = {
|
|
'market': market['id'],
|
|
};
|
|
if (since !== undefined) {
|
|
request['since'] = this.iso8601 (since);
|
|
}
|
|
const response = await this.publicGetMarketsMarketTrades (this.extend (request, params));
|
|
return this.parseTrades (response['data'], market, since, limit);
|
|
}
|
|
|
|
async fetchBalance (params = {}) {
|
|
await this.loadMarkets ();
|
|
const response = await this.privateGetUserAccounts (params);
|
|
const result = { 'info': response };
|
|
const balances = this.safeValue (response, 'data');
|
|
for (let i = 0; i < balances.length; i++) {
|
|
const balance = balances[i];
|
|
const currencyId = this.safeString (balance, 'currency_code');
|
|
const code = this.safeCurrencyCode (currencyId);
|
|
const account = {
|
|
'free': this.safeFloat (balance, 'available_balance'),
|
|
'used': this.safeFloat (balance, 'hold_balance'),
|
|
'total': this.safeFloat (balance, 'balance'),
|
|
};
|
|
result[code] = account;
|
|
}
|
|
return this.parseBalance (result);
|
|
}
|
|
|
|
parseOrderStatus (status) {
|
|
const statuses = {
|
|
'fulfilled': 'closed',
|
|
'canceled': 'canceled',
|
|
'pending': 'open',
|
|
'open': 'open',
|
|
'partially_filled': 'open',
|
|
};
|
|
return this.safeString (statuses, status, status);
|
|
}
|
|
|
|
parseOrder (order, market = undefined) {
|
|
//
|
|
// {
|
|
// "id":"8bdd79f4-8414-40a2-90c3-e9f4d6d1eef4"
|
|
// "market":"IOT-BTC"
|
|
// "price":"0.0000003"
|
|
// "size":"4.0"
|
|
// "size_filled":"3.0"
|
|
// "fee":"0.0075"
|
|
// "fee_currency_code":"iot"
|
|
// "funds":"0.0"
|
|
// "status":"canceled"
|
|
// "order_type":"buy"
|
|
// "post_only":false
|
|
// "operation_type":"market_order"
|
|
// "created_at":"2018-01-12T21:14:06.747828Z"
|
|
// }
|
|
//
|
|
if (market === undefined) {
|
|
const marketId = this.safeString (order, 'market');
|
|
if (marketId in this.markets_by_id) {
|
|
market = this.markets_by_id[marketId];
|
|
}
|
|
}
|
|
let symbol = undefined;
|
|
if (market !== undefined) {
|
|
symbol = market['symbol'];
|
|
}
|
|
const timestamp = this.parse8601 (this.safeString (order, 'created_at'));
|
|
const price = this.safeFloat (order, 'price');
|
|
const amount = this.safeFloat (order, 'size');
|
|
const filled = this.safeFloat (order, 'size_filled');
|
|
let remaining = undefined;
|
|
let cost = undefined;
|
|
if (amount !== undefined) {
|
|
if (filled !== undefined) {
|
|
remaining = parseFloat (this.amountToPrecision (symbol, amount - filled));
|
|
}
|
|
if (price !== undefined) {
|
|
cost = parseFloat (this.priceToPrecision (symbol, filled * price));
|
|
}
|
|
}
|
|
const status = this.parseOrderStatus (this.safeString (order, 'status'));
|
|
let type = this.safeString (order, 'operation_type');
|
|
if (type !== undefined) {
|
|
type = type.split ('_');
|
|
type = type[0];
|
|
}
|
|
const side = this.safeString (order, 'order_type');
|
|
return {
|
|
'id': this.safeString (order, 'id'),
|
|
'clientOrderId': undefined,
|
|
'datetime': this.iso8601 (timestamp),
|
|
'timestamp': timestamp,
|
|
'status': status,
|
|
'symbol': symbol,
|
|
'type': type,
|
|
'side': side,
|
|
'price': price,
|
|
'cost': cost,
|
|
'amount': amount,
|
|
'filled': filled,
|
|
'remaining': remaining,
|
|
'trades': undefined,
|
|
'fee': undefined,
|
|
'info': order,
|
|
'lastTradeTimestamp': undefined,
|
|
'average': undefined,
|
|
};
|
|
}
|
|
|
|
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
// price/size must be string
|
|
const request = {
|
|
'market': market['id'],
|
|
'size': this.amountToPrecision (symbol, amount),
|
|
'order_type': side,
|
|
};
|
|
if (type === 'limit') {
|
|
price = this.priceToPrecision (symbol, price);
|
|
request['price'] = price.toString ();
|
|
}
|
|
request['operation_type'] = type + '_order';
|
|
const response = await this.privatePostUserOrders (this.extend (request, params));
|
|
const order = this.parseOrder (response['data'], market);
|
|
const id = order['id'];
|
|
this.orders[id] = order;
|
|
return order;
|
|
}
|
|
|
|
async cancelOrder (id, symbol = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const request = {
|
|
'id': id,
|
|
};
|
|
const response = await this.privateDeleteUserOrdersId (this.extend (request, params));
|
|
const market = this.market (symbol);
|
|
return this.parseOrder (response['data'], market);
|
|
}
|
|
|
|
async fetchOrder (id, symbol = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const request = {
|
|
'id': id,
|
|
};
|
|
const response = await this.privateGetUserOrdersId (this.extend (request, params));
|
|
return this.parseOrder (response['data']);
|
|
}
|
|
|
|
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const request = {};
|
|
if (symbol !== undefined) {
|
|
request['market'] = this.marketId (symbol);
|
|
}
|
|
if (since !== undefined) {
|
|
request['since_time'] = this.iso8601 (this.milliseconds ());
|
|
}
|
|
// TODO: test status=all if it works for closed orders too
|
|
const response = await this.privateGetUserOrders (this.extend (request, params));
|
|
return this.parseOrders (response['data']);
|
|
}
|
|
|
|
nonce () {
|
|
return this.milliseconds ();
|
|
}
|
|
|
|
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
|
|
let request = '/api/' + this.version + '/' + this.implodeParams (path, params);
|
|
const query = this.omit (params, this.extractParams (path));
|
|
if (api === 'public') {
|
|
if (Object.keys (query).length) {
|
|
request += '?' + this.urlencode (query);
|
|
}
|
|
} else {
|
|
this.checkRequiredCredentials ();
|
|
if (method === 'GET') {
|
|
if (Object.keys (query).length) {
|
|
request += '?' + this.urlencode (query);
|
|
}
|
|
} else {
|
|
body = this.json (query);
|
|
}
|
|
const seconds = this.seconds ().toString ();
|
|
let payload = [ seconds, method, request ].join ('|');
|
|
if (body) {
|
|
payload += '|' + body;
|
|
}
|
|
const signature = this.hmac (this.encode (payload), this.encode (this.secret));
|
|
headers = {
|
|
'CF-API-KEY': this.apiKey,
|
|
'CF-API-TIMESTAMP': seconds,
|
|
'CF-API-SIGNATURE': signature,
|
|
'Content-Type': 'application/json',
|
|
};
|
|
}
|
|
const url = this.urls['api'] + request;
|
|
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
|
|
}
|
|
|
|
handleErrors (code, reason, url, method, headers, body, response, requestHeaders, requestBody) {
|
|
if (code < 400) {
|
|
return;
|
|
}
|
|
const ErrorClass = this.safeValue ({
|
|
'401': AuthenticationError,
|
|
'429': RateLimitExceeded,
|
|
}, code, ExchangeError);
|
|
throw new ErrorClass (body);
|
|
}
|
|
};
|