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Luis Fernando Molina committed 2020-11-20 14:05:59 +01:00
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TaskServer/node_modules/ccxt/js/coinfloor.js
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'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { InsufficientFunds, ExchangeError, InvalidNonce, InvalidOrder, ArgumentsRequired } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class coinfloor extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'coinfloor',
'name': 'coinfloor',
'rateLimit': 1000,
'countries': [ 'UK' ],
'has': {
'CORS': false,
'fetchOpenOrders': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/28246081-623fc164-6a1c-11e7-913f-bac0d5576c90.jpg',
'api': 'https://webapi.coinfloor.co.uk/bist',
'www': 'https://www.coinfloor.co.uk',
'doc': [
'https://github.com/coinfloor/api',
'https://www.coinfloor.co.uk/api',
],
},
'requiredCredentials': {
'apiKey': true,
'secret': false,
'password': true,
'uid': true,
},
'api': {
'public': {
'get': [
'{id}/ticker/',
'{id}/order_book/',
'{id}/transactions/',
],
},
'private': {
'post': [
'{id}/balance/',
'{id}/user_transactions/',
'{id}/open_orders/',
'{symbol}/cancel_order/',
'{id}/buy/',
'{id}/sell/',
'{id}/buy_market/',
'{id}/sell_market/',
'{id}/estimate_sell_market/',
'{id}/estimate_buy_market/',
],
},
},
'markets': {
'BTC/GBP': { 'id': 'XBT/GBP', 'symbol': 'BTC/GBP', 'base': 'BTC', 'quote': 'GBP', 'baseId': 'XBT', 'quoteId': 'GBP', 'precision': { 'price': 0, 'amount': 4 }},
'BTC/EUR': { 'id': 'XBT/EUR', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR', 'baseId': 'XBT', 'quoteId': 'EUR', 'precision': { 'price': 0, 'amount': 4 }},
},
'exceptions': {
'exact': {
'You have insufficient funds.': InsufficientFunds,
'Tonce is out of sequence.': InvalidNonce,
},
},
});
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
let market = undefined;
let query = params;
const symbol = this.safeString (params, 'symbol');
if (symbol !== undefined) {
market = this.market (params['symbol']);
query = this.omit (params, 'symbol');
}
const marketId = this.safeString (params, 'id');
if (marketId in this.markets_by_id) {
market = this.markets_by_id[marketId];
}
if (market === undefined) {
throw new ArgumentsRequired (this.id + ' fetchBalance requires a symbol param');
}
const request = {
'id': market['id'],
};
const response = await this.privatePostIdBalance (this.extend (request, query));
const result = {
'info': response,
};
// base/quote used for keys e.g. "xbt_reserved"
const base = market['base'];
const quote = market['quote'];
const baseIdLower = this.safeStringLower (market, 'baseId');
const quoteIdLower = this.safeStringLower (market, 'quoteId');
result[base] = {
'free': this.safeFloat (response, baseIdLower + '_available'),
'used': this.safeFloat (response, baseIdLower + '_reserved'),
'total': this.safeFloat (response, baseIdLower + '_balance'),
};
result[quote] = {
'free': this.safeFloat (response, quoteIdLower + '_available'),
'used': this.safeFloat (response, quoteIdLower + '_reserved'),
'total': this.safeFloat (response, quoteIdLower + '_balance'),
};
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'id': this.marketId (symbol),
};
const response = await this.publicGetIdOrderBook (this.extend (request, params));
return this.parseOrderBook (response);
}
parseTicker (ticker, market = undefined) {
// rewrite to get the timestamp from HTTP headers
const timestamp = this.milliseconds ();
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
const vwap = this.safeFloat (ticker, 'vwap');
const baseVolume = this.safeFloat (ticker, 'volume');
let quoteVolume = undefined;
if (vwap !== undefined) {
quoteVolume = baseVolume * vwap;
}
const last = this.safeFloat (ticker, 'last');
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'high'),
'low': this.safeFloat (ticker, 'low'),
'bid': this.safeFloat (ticker, 'bid'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'ask'),
'askVolume': undefined,
'vwap': vwap,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'id': market['id'],
};
const response = await this.publicGetIdTicker (this.extend (request, params));
return this.parseTicker (response, market);
}
parseTrade (trade, market = undefined) {
const timestamp = this.safeTimestamp (trade, 'date');
const id = this.safeString (trade, 'tid');
const price = this.safeFloat (trade, 'price');
const amount = this.safeFloat (trade, 'amount');
let cost = undefined;
if (price !== undefined) {
if (amount !== undefined) {
cost = price * amount;
}
}
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
return {
'info': trade,
'id': id,
'order': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'type': undefined,
'side': undefined,
'takerOrMaker': undefined,
'price': price,
'amount': amount,
'cost': cost,
'fee': undefined,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'id': market['id'],
};
const response = await this.publicGetIdTransactions (this.extend (request, params));
return this.parseTrades (response, market, since, limit);
}
async fetchLedger (code = undefined, since = undefined, limit = undefined, params = {}) {
// code is actually a market symbol in this situation, not a currency code
await this.loadMarkets ();
let market = undefined;
if (code !== undefined) {
market = this.market (code);
if (market === undefined) {
throw new ArgumentsRequired (this.id + ' fetchTransactions requires a code argument (a market symbol)');
}
}
const request = {
'id': market['id'],
'limit': limit,
};
const response = await this.privatePostIdUserTransactions (this.extend (request, params));
return this.parseLedger (response, undefined, since, undefined);
}
parseLedgerEntryStatus (status) {
const types = {
'completed': 'ok',
};
return this.safeString (types, status, status);
}
parseLedgerEntryType (type) {
const types = {
'0': 'transaction', // deposit
'1': 'transaction', // withdrawal
'2': 'trade',
};
return this.safeString (types, type, type);
}
parseLedgerEntry (item, currency = undefined) {
//
// trade
//
// {
// "datetime": "2017-07-25 06:41:24",
// "id": 1500964884381265,
// "type": 2,
// "xbt": "0.1000",
// "xbt_eur": "2322.00",
// "eur": "-232.20",
// "fee": "0.00",
// "order_id": 84696745
// }
//
// transaction (withdrawal)
//
// {
// "datetime": "2017-07-25 13:19:46",
// "id": 97669,
// "type": 1,
// "xbt": "-3.0000",
// "xbt_eur": null,
// "eur": "0",
// "fee": "0.0000",
// "order_id": null
// }
//
// transaction (deposit)
//
// {
// "datetime": "2017-07-27 16:44:55",
// "id": 98277,
// "type": 0,
// "xbt": "0",
// "xbt_eur": null,
// "eur": "4970.04",
// "fee": "0.00",
// "order_id": null
// }
//
const keys = Object.keys (item);
let baseId = undefined;
let quoteId = undefined;
let baseAmount = undefined;
let quoteAmount = undefined;
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
if (key.indexOf ('_') > 0) {
const parts = key.split ('_');
const numParts = parts.length;
if (numParts === 2) {
const tmpBaseAmount = this.safeFloat (item, parts[0]);
const tmpQuoteAmount = this.safeFloat (item, parts[1]);
if (tmpBaseAmount !== undefined && tmpQuoteAmount !== undefined) {
baseId = parts[0];
quoteId = parts[1];
baseAmount = tmpBaseAmount;
quoteAmount = tmpQuoteAmount;
}
}
}
}
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
const type = this.parseLedgerEntryType (this.safeString (item, 'type'));
const referenceId = this.safeString (item, 'id');
const timestamp = this.parse8601 (this.safeString (item, 'datetime'));
let fee = undefined;
const feeCost = this.safeFloat (item, 'fee');
const result = {
'id': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'amount': undefined,
'direction': undefined,
'currency': undefined,
'type': type,
'referenceId': referenceId,
'referenceAccount': undefined,
'before': undefined,
'after': undefined,
'status': 'ok',
'fee': fee,
'info': item,
};
if (type === 'trade') {
//
// it's a trade so let's make multiple entries, we have several options:
//
// if fee is always in quote currency (the exchange uses this)
// https://github.com/coinfloor/API/blob/master/IMPL-GUIDE.md#how-fees-affect-trade-quantities
//
if (feeCost !== undefined) {
fee = {
'cost': feeCost,
'currency': quote,
};
}
return [
this.extend (result, { 'currency': base, 'amount': Math.abs (baseAmount), 'direction': (baseAmount > 0) ? 'in' : 'out' }),
this.extend (result, { 'currency': quote, 'amount': Math.abs (quoteAmount), 'direction': (quoteAmount > 0) ? 'in' : 'out', 'fee': fee }),
];
//
// if fee is base or quote depending on buy/sell side
//
// const baseFee = (baseAmount > 0) ? { 'currency': base, 'cost': feeCost } : undefined;
// const quoteFee = (quoteAmount > 0) ? { 'currency': quote, 'cost': feeCost } : undefined;
// return [
// this.extend (result, { 'currency': base, 'amount': baseAmount, 'direction': (baseAmount > 0) ? 'in' : 'out', 'fee': baseFee }),
// this.extend (result, { 'currency': quote, 'amount': quoteAmount, 'direction': (quoteAmount > 0) ? 'in' : 'out', 'fee': quoteFee }),
// ];
//
// fee as the 3rd item
//
// return [
// this.extend (result, { 'currency': base, 'amount': baseAmount, 'direction': (baseAmount > 0) ? 'in' : 'out' }),
// this.extend (result, { 'currency': quote, 'amount': quoteAmount, 'direction': (quoteAmount > 0) ? 'in' : 'out' }),
// this.extend (result, { 'currency': feeCurrency, 'amount': feeCost, 'direction': 'out', 'type': 'fee' }),
// ];
//
} else {
//
// it's a regular transaction (deposit or withdrawal)
//
const amount = (baseAmount === 0) ? quoteAmount : baseAmount;
const code = (baseAmount === 0) ? quote : base;
const direction = (amount > 0) ? 'in' : 'out';
if (feeCost !== undefined) {
fee = {
'cost': feeCost,
'currency': code,
};
}
return this.extend (result, {
'currency': code,
'amount': Math.abs (amount),
'direction': direction,
'fee': fee,
});
}
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'id': this.marketId (symbol),
};
let method = 'privatePostId' + this.capitalize (side);
if (type === 'market') {
request['quantity'] = amount;
method += 'Market';
} else {
request['price'] = price;
request['amount'] = amount;
}
return await this[method] (this.extend (request, params));
}
async cancelOrder (id, symbol = undefined, params = {}) {
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' cancelOrder requires a symbol argument');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
'id': id,
};
const response = await this.privatePostSymbolCancelOrder (request);
if (response === 'false') {
// unfortunately the exchange does not give much info in the response
throw new InvalidOrder (this.id + ' cancel was rejected');
}
return response;
}
parseOrder (order, market = undefined) {
const timestamp = this.parse8601 (this.safeString (order, 'datetime'));
const price = this.safeFloat (order, 'price');
const amount = this.safeFloat (order, 'amount');
let cost = undefined;
if (price !== undefined) {
if (amount !== undefined) {
cost = price * amount;
}
}
let side = undefined;
const status = this.safeString (order, 'status');
if (order['type'] === 0) {
side = 'buy';
} else if (order['type'] === 1) {
side = 'sell';
}
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
const id = this.safeString (order, 'id');
return {
'info': order,
'id': id,
'clientOrderId': undefined,
'datetime': this.iso8601 (timestamp),
'timestamp': timestamp,
'lastTradeTimestamp': undefined,
'status': status,
'symbol': symbol,
'type': 'limit',
'side': side,
'price': price,
'amount': amount,
'filled': undefined,
'remaining': undefined,
'cost': cost,
'fee': undefined,
'average': undefined,
'trades': undefined,
};
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' fetchOpenOrders requires a symbol param');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'id': market['id'],
};
const response = await this.privatePostIdOpenOrders (this.extend (request, params));
// {
// "amount": "1.0000",
// "datetime": "2019-07-12 13:28:16",
// "id": 233123443,
// "price": "1000.00",
// "type": 0
// }
return this.parseOrders (response, market, since, limit, { 'status': 'open' });
}
handleErrors (code, reason, url, method, headers, body, response, requestHeaders, requestBody) {
if (code < 400) {
return;
}
if (response === undefined) {
return;
}
const message = this.safeString (response, 'error_msg');
const feedback = this.id + ' ' + body;
this.throwExactlyMatchedException (this.exceptions['exact'], message, feedback);
throw new ExchangeError (feedback);
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
// curl -k -u '[User ID]/[API key]:[Passphrase]' https://webapi.coinfloor.co.uk:8090/bist/XBT/GBP/balance/
let url = this.urls['api'] + '/' + this.implodeParams (path, params);
const query = this.omit (params, this.extractParams (path));
if (api === 'public') {
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
} else {
this.checkRequiredCredentials ();
const nonce = this.nonce ();
body = this.urlencode (this.extend ({ 'nonce': nonce }, query));
const auth = this.uid + '/' + this.apiKey + ':' + this.password;
const signature = this.decode (this.stringToBase64 (this.encode (auth)));
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'Authorization': 'Basic ' + signature,
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
};