consequunturatque
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A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
1,323 lines (1,285 loc) • 61.4 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { AuthenticationError, ExchangeError, NotSupported, PermissionDenied, InvalidNonce, OrderNotFound, InsufficientFunds, InvalidAddress, InvalidOrder, ArgumentsRequired, OnMaintenance, ExchangeNotAvailable } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class bitstamp extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'bitstamp',
'name': 'Bitstamp',
'countries': [ 'GB' ],
'rateLimit': 1000,
'version': 'v2',
'userAgent': this.userAgents['chrome'],
'pro': true,
'has': {
'CORS': true,
'cancelOrder': true,
'createOrder': true,
'fetchBalance': true,
'fetchDepositAddress': true,
'fetchMarkets': true,
'fetchCurrencies': true,
'fetchMyTrades': true,
'fetchOHLCV': true,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderBook': true,
'fetchTicker': true,
'fetchTrades': true,
'fetchTransactions': true,
'fetchWithdrawals': true,
'withdraw': true,
'fetchTradingFee': true,
'fetchTradingFees': true,
'fetchFundingFees': true,
'fetchFees': true,
'fetchLedger': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27786377-8c8ab57e-5fe9-11e7-8ea4-2b05b6bcceec.jpg',
'api': {
'public': 'https://www.bitstamp.net/api',
'private': 'https://www.bitstamp.net/api',
'v1': 'https://www.bitstamp.net/api',
},
'www': 'https://www.bitstamp.net',
'doc': 'https://www.bitstamp.net/api',
},
'timeframes': {
'1m': '60',
'3m': '180',
'5m': '300',
'15m': '900',
'30m': '1800',
'1h': '3600',
'2h': '7200',
'4h': '14400',
'6h': '21600',
'12h': '43200',
'1d': '86400',
'1w': '259200',
},
'requiredCredentials': {
'apiKey': true,
'secret': true,
'uid': true,
},
'api': {
'public': {
'get': [
'ohlc/{pair}/',
'order_book/{pair}/',
'ticker_hour/{pair}/',
'ticker/{pair}/',
'transactions/{pair}/',
'trading-pairs-info/',
],
},
'private': {
'post': [
'balance/',
'balance/{pair}/',
'bch_withdrawal/',
'bch_address/',
'user_transactions/',
'user_transactions/{pair}/',
'open_orders/all/',
'open_orders/{pair}/',
'order_status/',
'cancel_order/',
'buy/{pair}/',
'buy/market/{pair}/',
'buy/instant/{pair}/',
'sell/{pair}/',
'sell/market/{pair}/',
'sell/instant/{pair}/',
'ltc_withdrawal/',
'ltc_address/',
'eth_withdrawal/',
'eth_address/',
'xrp_withdrawal/',
'xrp_address/',
'xlm_withdrawal/',
'xlm_address/',
'pax_withdrawal/',
'pax_address/',
'link_withdrawal/',
'link_address/',
'usdc_withdrawal/',
'usdc_address/',
'omg_withdrawal/',
'omg_address/',
'dai_withdrawal/',
'dai_address/',
'knc_withdrawal/',
'knc_address/',
'mkr_withdrawal/',
'mkr_address/',
'zrx_withdrawal/',
'zrx_address/',
'gusd_withdrawal/',
'gusd_address/',
'aave_withdrawal/',
'aave_address/',
'bat_withdrawal/',
'bat_address/',
'uma_withdrawal/',
'uma_address/',
'transfer-to-main/',
'transfer-from-main/',
'withdrawal-requests/',
'withdrawal/open/',
'withdrawal/status/',
'withdrawal/cancel/',
'liquidation_address/new/',
'liquidation_address/info/',
],
},
'v1': {
'post': [
'bitcoin_deposit_address/',
'unconfirmed_btc/',
'bitcoin_withdrawal/',
'ripple_withdrawal/',
'ripple_address/',
],
},
},
'fees': {
'trading': {
'tierBased': true,
'percentage': true,
'taker': 0.5 / 100,
'maker': 0.5 / 100,
'tiers': {
'taker': [
[0, 0.5 / 100],
[20000, 0.25 / 100],
[100000, 0.24 / 100],
[200000, 0.22 / 100],
[400000, 0.20 / 100],
[600000, 0.15 / 100],
[1000000, 0.14 / 100],
[2000000, 0.13 / 100],
[4000000, 0.12 / 100],
[20000000, 0.11 / 100],
[50000000, 0.10 / 100],
[100000000, 0.07 / 100],
[500000000, 0.05 / 100],
[2000000000, 0.03 / 100],
[6000000000, 0.01 / 100],
[10000000000, 0.005 / 100],
[10000000001, 0.0],
],
'maker': [
[0, 0.5 / 100],
[20000, 0.25 / 100],
[100000, 0.24 / 100],
[200000, 0.22 / 100],
[400000, 0.20 / 100],
[600000, 0.15 / 100],
[1000000, 0.14 / 100],
[2000000, 0.13 / 100],
[4000000, 0.12 / 100],
[20000000, 0.11 / 100],
[50000000, 0.10 / 100],
[100000000, 0.07 / 100],
[500000000, 0.05 / 100],
[2000000000, 0.03 / 100],
[6000000000, 0.01 / 100],
[10000000000, 0.005 / 100],
[10000000001, 0.0],
],
},
},
'funding': {
'tierBased': false,
'percentage': false,
'withdraw': {
'BTC': 0.0005,
'BCH': 0.0001,
'LTC': 0.001,
'ETH': 0.001,
'XRP': 0.02,
'XLM': 0.005,
'PAX': 0.5,
'USD': 25,
'EUR': 3.0,
},
'deposit': {
'BTC': 0,
'BCH': 0,
'LTC': 0,
'ETH': 0,
'XRP': 0,
'XLM': 0,
'PAX': 0,
'USD': 7.5,
'EUR': 0,
},
},
},
'exceptions': {
'exact': {
'No permission found': PermissionDenied,
'API key not found': AuthenticationError,
'IP address not allowed': PermissionDenied,
'Invalid nonce': InvalidNonce,
'Invalid signature': AuthenticationError,
'Authentication failed': AuthenticationError,
'Missing key, signature and nonce parameters': AuthenticationError,
'Your account is frozen': PermissionDenied,
'Please update your profile with your FATCA information, before using API.': PermissionDenied,
'Order not found': OrderNotFound,
'Price is more than 20% below market price.': InvalidOrder,
'Bitstamp.net is under scheduled maintenance.': OnMaintenance, // { "error": "Bitstamp.net is under scheduled maintenance. We'll be back soon." }
'Order could not be placed.': ExchangeNotAvailable, // Order could not be placed (perhaps due to internal error or trade halt). Please retry placing order.
},
'broad': {
'Minimum order size is': InvalidOrder, // Minimum order size is 5.0 EUR.
'Check your account balance for details.': InsufficientFunds, // You have only 0.00100000 BTC available. Check your account balance for details.
'Ensure this value has at least': InvalidAddress, // Ensure this value has at least 25 characters (it has 4).
},
},
});
}
async fetchMarkets (params = {}) {
const response = await this.fetchMarketsFromCache (params);
const result = [];
for (let i = 0; i < response.length; i++) {
const market = response[i];
const name = this.safeString (market, 'name');
let [ base, quote ] = name.split ('/');
const baseId = base.toLowerCase ();
const quoteId = quote.toLowerCase ();
base = this.safeCurrencyCode (base);
quote = this.safeCurrencyCode (quote);
const symbol = base + '/' + quote;
const symbolId = baseId + '_' + quoteId;
const id = this.safeString (market, 'url_symbol');
const amountPrecisionString = this.safeString (market, 'base_decimals');
const pricePrecisionString = this.safeString (market, 'counter_decimals');
const amountLimit = this.parsePrecision (amountPrecisionString);
const priceLimit = this.parsePrecision (pricePrecisionString);
const precision = {
'amount': parseInt (amountPrecisionString),
'price': parseInt (pricePrecisionString),
};
const minimumOrder = this.safeString (market, 'minimum_order');
const parts = minimumOrder.split (' ');
const cost = parts[0];
// let [ cost, currency ] = market['minimum_order'].split (' ');
const trading = this.safeString (market, 'trading');
const active = (trading === 'Enabled');
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
'symbolId': symbolId,
'info': market,
'active': active,
'precision': precision,
'limits': {
'amount': {
'min': this.parseNumber (amountLimit),
'max': undefined,
},
'price': {
'min': this.parseNumber (priceLimit),
'max': undefined,
},
'cost': {
'min': this.parseNumber (cost),
'max': undefined,
},
},
});
}
return result;
}
constructCurrencyObject (id, code, name, precision, minCost, originalPayload) {
let currencyType = 'crypto';
const description = this.describe ();
if (this.isFiat (code)) {
currencyType = 'fiat';
}
return {
'id': id,
'code': code,
'info': originalPayload, // the original payload
'type': currencyType,
'name': name,
'active': true,
'fee': this.safeNumber (description['fees']['funding']['withdraw'], code),
'precision': precision,
'limits': {
'amount': {
'min': Math.pow (10, -precision),
'max': undefined,
},
'price': {
'min': Math.pow (10, -precision),
'max': undefined,
},
'cost': {
'min': minCost,
'max': undefined,
},
'withdraw': {
'min': undefined,
'max': undefined,
},
},
};
}
async fetchMarketsFromCache (params = {}) {
// this method is now redundant
// currencies are now fetched before markets
const options = this.safeValue (this.options, 'fetchMarkets', {});
const timestamp = this.safeInteger (options, 'timestamp');
const expires = this.safeInteger (options, 'expires', 1000);
const now = this.milliseconds ();
if ((timestamp === undefined) || ((now - timestamp) > expires)) {
const response = await this.publicGetTradingPairsInfo (params);
this.options['fetchMarkets'] = this.extend (options, {
'response': response,
'timestamp': now,
});
}
return this.safeValue (this.options['fetchMarkets'], 'response');
}
async fetchCurrencies (params = {}) {
const response = await this.fetchMarketsFromCache (params);
const result = {};
for (let i = 0; i < response.length; i++) {
const market = response[i];
const name = this.safeString (market, 'name');
let [ base, quote ] = name.split ('/');
const baseId = base.toLowerCase ();
const quoteId = quote.toLowerCase ();
base = this.safeCurrencyCode (base);
quote = this.safeCurrencyCode (quote);
const description = this.safeString (market, 'description');
const [ baseDescription, quoteDescription ] = description.split (' / ');
const minimumOrder = this.safeString (market, 'minimum_order');
const parts = minimumOrder.split (' ');
const cost = parts[0];
if (!(base in result)) {
const baseDecimals = this.safeInteger (market, 'base_decimals');
result[base] = this.constructCurrencyObject (baseId, base, baseDescription, baseDecimals, undefined, market);
}
if (!(quote in result)) {
const counterDecimals = this.safeInteger (market, 'counter_decimals');
result[quote] = this.constructCurrencyObject (quoteId, quote, quoteDescription, counterDecimals, parseFloat (cost), market);
}
}
return result;
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'pair': this.marketId (symbol),
};
const response = await this.publicGetOrderBookPair (this.extend (request, params));
//
// {
// "timestamp": "1583652948",
// "microtimestamp": "1583652948955826",
// "bids": [
// [ "8750.00", "1.33685271" ],
// [ "8749.39", "0.07700000" ],
// [ "8746.98", "0.07400000" ],
// ]
// "asks": [
// [ "8754.10", "1.51995636" ],
// [ "8754.71", "1.40000000" ],
// [ "8754.72", "2.50000000" ],
// ]
// }
//
const microtimestamp = this.safeInteger (response, 'microtimestamp');
const timestamp = parseInt (microtimestamp / 1000);
const orderbook = this.parseOrderBook (response, symbol, timestamp);
orderbook['nonce'] = microtimestamp;
return orderbook;
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
const request = {
'pair': this.marketId (symbol),
};
const ticker = await this.publicGetTickerPair (this.extend (request, params));
const timestamp = this.safeTimestamp (ticker, 'timestamp');
const vwap = this.safeNumber (ticker, 'vwap');
const baseVolume = this.safeNumber (ticker, 'volume');
let quoteVolume = undefined;
if (baseVolume !== undefined && vwap !== undefined) {
quoteVolume = baseVolume * vwap;
}
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': vwap,
'open': this.safeNumber (ticker, 'open'),
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
getCurrencyIdFromTransaction (transaction) {
//
// {
// "fee": "0.00000000",
// "btc_usd": "0.00",
// "datetime": XXX,
// "usd": 0.0,
// "btc": 0.0,
// "eth": "0.05000000",
// "type": "0",
// "id": XXX,
// "eur": 0.0
// }
//
const currencyId = this.safeStringLower (transaction, 'currency');
if (currencyId !== undefined) {
return currencyId;
}
transaction = this.omit (transaction, [
'fee',
'price',
'datetime',
'type',
'status',
'id',
]);
const ids = Object.keys (transaction);
for (let i = 0; i < ids.length; i++) {
const id = ids[i];
if (id.indexOf ('_') < 0) {
const value = this.safeNumber (transaction, id);
if ((value !== undefined) && (value !== 0)) {
return id;
}
}
}
return undefined;
}
getMarketFromTrade (trade) {
trade = this.omit (trade, [
'fee',
'price',
'datetime',
'tid',
'type',
'order_id',
'side',
]);
const currencyIds = Object.keys (trade);
const numCurrencyIds = currencyIds.length;
if (numCurrencyIds > 2) {
throw new ExchangeError (this.id + ' getMarketFromTrade too many keys: ' + this.json (currencyIds) + ' in the trade: ' + this.json (trade));
}
if (numCurrencyIds === 2) {
let marketId = currencyIds[0] + currencyIds[1];
if (marketId in this.markets_by_id) {
return this.markets_by_id[marketId];
}
marketId = currencyIds[1] + currencyIds[0];
if (marketId in this.markets_by_id) {
return this.markets_by_id[marketId];
}
}
return undefined;
}
getMarketFromTrades (trades) {
const tradesBySymbol = this.indexBy (trades, 'symbol');
const symbols = Object.keys (tradesBySymbol);
const numSymbols = symbols.length;
if (numSymbols === 1) {
return this.markets[symbols[0]];
}
return undefined;
}
parseTrade (trade, market = undefined) {
//
// fetchTrades (public)
//
// {
// date: '1551814435',
// tid: '83581898',
// price: '0.03532850',
// type: '1',
// amount: '0.85945907'
// },
//
// fetchMyTrades, trades returned within fetchOrder (private)
//
// {
// "usd": "6.0134400000000000",
// "price": "4008.96000000",
// "datetime": "2019-03-28 23:07:37.233599",
// "fee": "0.02",
// "btc": "0.00150000",
// "tid": 84452058,
// "type": 2
// }
//
// from fetchOrder:
// { fee: '0.000019',
// price: '0.00015803',
// datetime: '2018-01-07 10:45:34.132551',
// btc: '0.0079015000000000',
// tid: 42777395,
// type: 2, //(0 - deposit; 1 - withdrawal; 2 - market trade) NOT buy/sell
// xrp: '50.00000000' }
const id = this.safeString2 (trade, 'id', 'tid');
let symbol = undefined;
let side = undefined;
let price = this.safeNumber (trade, 'price');
let amount = this.safeNumber (trade, 'amount');
const orderId = this.safeString (trade, 'order_id');
const type = undefined;
let cost = this.safeNumber (trade, 'cost');
if (market === undefined) {
const keys = Object.keys (trade);
for (let i = 0; i < keys.length; i++) {
if (keys[i].indexOf ('_') >= 0) {
const marketId = keys[i].replace ('_', '');
if (marketId in this.markets_by_id) {
market = this.markets_by_id[marketId];
}
}
}
// if the market is still not defined
// try to deduce it from used keys
if (market === undefined) {
market = this.getMarketFromTrade (trade);
}
}
const feeCost = this.safeNumber (trade, 'fee');
let feeCurrency = undefined;
if (market !== undefined) {
price = this.safeNumber (trade, market['symbolId'], price);
amount = this.safeNumber (trade, market['baseId'], amount);
cost = this.safeNumber (trade, market['quoteId'], cost);
feeCurrency = market['quote'];
symbol = market['symbol'];
}
let timestamp = this.safeString2 (trade, 'date', 'datetime');
if (timestamp !== undefined) {
if (timestamp.indexOf (' ') >= 0) {
// iso8601
timestamp = this.parse8601 (timestamp);
} else {
// string unix epoch in seconds
timestamp = parseInt (timestamp);
timestamp = timestamp * 1000;
}
}
// if it is a private trade
if ('id' in trade) {
if (amount !== undefined) {
if (amount < 0) {
side = 'sell';
amount = -amount;
} else {
side = 'buy';
}
}
} else {
side = this.safeString (trade, 'type');
if (side === '1') {
side = 'sell';
} else if (side === '0') {
side = 'buy';
}
}
if (cost === undefined) {
if (price !== undefined) {
if (amount !== undefined) {
cost = price * amount;
}
}
}
if (cost !== undefined) {
cost = Math.abs (cost);
}
let fee = undefined;
if (feeCost !== undefined) {
fee = {
'cost': feeCost,
'currency': feeCurrency,
};
}
return {
'id': id,
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'order': orderId,
'type': type,
'side': side,
'takerOrMaker': undefined,
'price': price,
'amount': amount,
'cost': cost,
'fee': fee,
};
}
parseTradingFee (balances, symbol) {
const market = this.market (symbol);
const tradeFee = this.safeNumber (balances, market['id'] + '_fee');
return {
'symbol': symbol,
'maker': tradeFee,
'taker': tradeFee,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'pair': market['id'],
'time': 'hour',
};
const response = await this.publicGetTransactionsPair (this.extend (request, params));
//
// [
// {
// date: '1551814435',
// tid: '83581898',
// price: '0.03532850',
// type: '1',
// amount: '0.85945907'
// },
// {
// date: '1551814434',
// tid: '83581896',
// price: '0.03532851',
// type: '1',
// amount: '11.34130961'
// },
// ]
//
return this.parseTrades (response, market, since, limit);
}
parseOHLCV (ohlcv, market = undefined) {
//
// {
// "high": "9064.77",
// "timestamp": "1593961440",
// "volume": "18.49436608",
// "low": "9040.87",
// "close": "9064.77",
// "open": "9040.87"
// }
//
return [
this.safeTimestamp (ohlcv, 'timestamp'),
this.safeNumber (ohlcv, 'open'),
this.safeNumber (ohlcv, 'high'),
this.safeNumber (ohlcv, 'low'),
this.safeNumber (ohlcv, 'close'),
this.safeNumber (ohlcv, 'volume'),
];
}
async fetchOHLCV (symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'pair': market['id'],
'step': this.timeframes[timeframe],
};
const duration = this.parseTimeframe (timeframe);
if (limit === undefined) {
if (since === undefined) {
throw new ArgumentsRequired (this.id + ' fetchOHLCV() requires a since argument or a limit argument');
} else {
limit = 1000;
const start = parseInt (since / 1000);
request['start'] = start;
request['end'] = this.sum (start, limit * duration);
request['limit'] = limit;
}
} else {
if (since !== undefined) {
const start = parseInt (since / 1000);
request['start'] = start;
request['end'] = this.sum (start, limit * duration);
}
request['limit'] = Math.min (limit, 1000); // min 1, max 1000
}
const response = await this.publicGetOhlcPair (this.extend (request, params));
//
// {
// "data": {
// "pair": "BTC/USD",
// "ohlc": [
// {"high": "9064.77", "timestamp": "1593961440", "volume": "18.49436608", "low": "9040.87", "close": "9064.77", "open": "9040.87"},
// {"high": "9071.59", "timestamp": "1593961500", "volume": "3.48631711", "low": "9058.76", "close": "9061.07", "open": "9064.66"},
// {"high": "9067.33", "timestamp": "1593961560", "volume": "0.04142833", "low": "9061.94", "close": "9061.94", "open": "9067.33"},
// ],
// }
// }
//
const data = this.safeValue (response, 'data', {});
const ohlc = this.safeValue (data, 'ohlc', []);
return this.parseOHLCVs (ohlc, market, timeframe, since, limit);
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const balance = await this.privatePostBalance (params);
//
// {
// "aave_available": "0.00000000",
// "aave_balance": "0.00000000",
// "aave_reserved": "0.00000000",
// "aave_withdrawal_fee": "0.07000000",
// "aavebtc_fee": "0.000",
// "aaveeur_fee": "0.000",
// "aaveusd_fee": "0.000",
// "bat_available": "0.00000000",
// "bat_balance": "0.00000000",
// "bat_reserved": "0.00000000",
// "bat_withdrawal_fee": "5.00000000",
// "batbtc_fee": "0.000",
// "bateur_fee": "0.000",
// "batusd_fee": "0.000",
// }
//
const result = {
'info': balance,
'timestamp': undefined,
'datetime': undefined,
};
const codes = Object.keys (this.currencies);
for (let i = 0; i < codes.length; i++) {
const code = codes[i];
const currency = this.currency (code);
const currencyId = currency['id'];
const account = this.account ();
account['free'] = this.safeString (balance, currencyId + '_available');
account['used'] = this.safeString (balance, currencyId + '_reserved');
account['total'] = this.safeString (balance, currencyId + '_balance');
result[code] = account;
}
return this.parseBalance (result, false);
}
async fetchTradingFee (symbol, params = {}) {
await this.loadMarkets ();
const request = {};
let method = 'privatePostBalance';
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
request['pair'] = market['id'];
method += 'Pair';
}
const balance = await this[method] (this.extend (request, params));
return {
'info': balance,
'symbol': symbol,
'maker': balance['fee'],
'taker': balance['fee'],
};
}
praseTradingFees (balance) {
const result = { 'info': balance };
const markets = Object.keys (this.markets);
for (let i = 0; i < markets.length; i++) {
const symbol = markets[i];
const fee = this.parseTradingFee (balance, symbol);
result[symbol] = fee;
}
return result;
}
async fetchTradingFees (params = {}) {
await this.loadMarkets ();
const balance = await this.privatePostBalance (params);
return this.praseTradingFees (balance);
}
parseFundingFees (balance) {
const withdraw = {};
const ids = Object.keys (balance);
for (let i = 0; i < ids.length; i++) {
const id = ids[i];
if (id.indexOf ('_withdrawal_fee') >= 0) {
const currencyId = id.split ('_')[0];
const code = this.safeCurrencyCode (currencyId);
withdraw[code] = this.safeNumber (balance, id);
}
}
return {
'info': balance,
'withdraw': withdraw,
'deposit': {},
};
}
async fetchFundingFees (params = {}) {
await this.loadMarkets ();
const balance = await this.privatePostBalance (params);
return this.parseFundingFees (balance);
}
async fetchFees (params = {}) {
await this.loadMarkets ();
const balance = await this.privatePostBalance (params);
const tradingFees = this.praseTradingFees (balance);
delete tradingFees['info'];
const fundingFees = this.parseFundingFees (balance);
delete fundingFees['info'];
return {
'info': balance,
'trading': tradingFees,
'funding': fundingFees,
};
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
let method = 'privatePost' + this.capitalize (side);
const request = {
'pair': market['id'],
'amount': this.amountToPrecision (symbol, amount),
};
if (type === 'market') {
method += 'Market';
} else if (type === 'instant') {
method += 'Instant';
} else {
request['price'] = this.priceToPrecision (symbol, price);
}
method += 'Pair';
const response = await this[method] (this.extend (request, params));
const order = this.parseOrder (response, market);
return this.extend (order, {
'type': type,
});
}
async cancelOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'id': id,
};
return await this.privatePostCancelOrder (this.extend (request, params));
}
parseOrderStatus (status) {
const statuses = {
'In Queue': 'open',
'Open': 'open',
'Finished': 'closed',
'Canceled': 'canceled',
};
return this.safeString (statuses, status, status);
}
async fetchOrderStatus (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'id': id,
};
const response = await this.privatePostOrderStatus (this.extend (request, params));
return this.parseOrderStatus (this.safeString (response, 'status'));
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
}
const request = { 'id': id };
const response = await this.privatePostOrderStatus (this.extend (request, params));
//
// {
// "status": "Finished",
// "id": 3047704374,
// "transactions": [
// {
// "usd": "6.0134400000000000",
// "price": "4008.96000000",
// "datetime": "2019-03-28 23:07:37.233599",
// "fee": "0.02",
// "btc": "0.00150000",
// "tid": 84452058,
// "type": 2
// }
// ]
// }
return this.parseOrder (response, market);
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {};
let method = 'privatePostUserTransactions';
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
request['pair'] = market['id'];
method += 'Pair';
}
if (limit !== undefined) {
request['limit'] = limit;
}
const response = await this[method] (this.extend (request, params));
const result = this.filterBy (response, 'type', '2');
return this.parseTrades (result, market, since, limit);
}
async fetchTransactions (code = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {};
if (limit !== undefined) {
request['limit'] = limit;
}
const response = await this.privatePostUserTransactions (this.extend (request, params));
//
// [
// {
// "fee": "0.00000000",
// "btc_usd": "0.00",
// "id": 1234567894,
// "usd": 0,
// "btc": 0,
// "datetime": "2018-09-08 09:00:31",
// "type": "1",
// "xrp": "-20.00000000",
// "eur": 0,
// },
// {
// "fee": "0.00000000",
// "btc_usd": "0.00",
// "id": 1134567891,
// "usd": 0,
// "btc": 0,
// "datetime": "2018-09-07 18:47:52",
// "type": "0",
// "xrp": "20.00000000",
// "eur": 0,
// },
// ]
//
let currency = undefined;
if (code !== undefined) {
currency = this.currency (code);
}
const transactions = this.filterByArray (response, 'type', [ '0', '1' ], false);
return this.parseTransactions (transactions, currency, since, limit);
}
async fetchWithdrawals (code = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {};
if (since !== undefined) {
request['timedelta'] = this.milliseconds () - since;
} else {
request['timedelta'] = 50000000; // use max bitstamp approved value
}
const response = await this.privatePostWithdrawalRequests (this.extend (request, params));
//
// [
// {
// status: 2,
// datetime: '2018-10-17 10:58:13',
// currency: 'BTC',
// amount: '0.29669259',
// address: 'aaaaa',
// type: 1,
// id: 111111,
// transaction_id: 'xxxx',
// },
// {
// status: 2,
// datetime: '2018-10-17 10:55:17',
// currency: 'ETH',
// amount: '1.11010664',
// address: 'aaaa',
// type: 16,
// id: 222222,
// transaction_id: 'xxxxx',
// },
// ]
//
return this.parseTransactions (response, undefined, since, limit);
}
parseTransaction (transaction, currency = undefined) {
//
// fetchTransactions
//
// {
// "fee": "0.00000000",
// "btc_usd": "0.00",
// "id": 1234567894,
// "usd": 0,
// "btc": 0,
// "datetime": "2018-09-08 09:00:31",
// "type": "1",
// "xrp": "-20.00000000",
// "eur": 0,
// }
//
// fetchWithdrawals
//
// {
// status: 2,
// datetime: '2018-10-17 10:58:13',
// currency: 'BTC',
// amount: '0.29669259',
// address: 'aaaaa',
// type: 1,
// id: 111111,
// transaction_id: 'xxxx',
// }
//
// {
// "id": 3386432,
// "type": 14,
// "amount": "863.21332500",
// "status": 2,
// "address": "rE1sdh25BJQ3qFwngiTBwaq3zPGGYcrjp1?dt=1455",
// "currency": "XRP",
// "datetime": "2018-01-05 15:27:55",
// "transaction_id": "001743B03B0C79BA166A064AC0142917B050347B4CB23BA2AB4B91B3C5608F4C"
// }
//
const timestamp = this.parse8601 (this.safeString (transaction, 'datetime'));
const id = this.safeString (transaction, 'id');
const currencyId = this.getCurrencyIdFromTransaction (transaction);
const code = this.safeCurrencyCode (currencyId, currency);
const feeCost = this.safeNumber (transaction, 'fee');
let feeCurrency = undefined;
let amount = undefined;
if ('amount' in transaction) {
amount = this.safeNumber (transaction, 'amount');
} else if (currency !== undefined) {
amount = this.safeNumber (transaction, currency['id'], amount);
feeCurrency = currency['code'];
} else if ((code !== undefined) && (currencyId !== undefined)) {
amount = this.safeNumber (transaction, currencyId, amount);
feeCurrency = code;
}
if (amount !== undefined) {
// withdrawals have a negative amount
amount = Math.abs (amount);
}
let status = 'ok';
if ('status' in transaction) {
status = this.parseTransactionStatus (this.safeString (transaction, 'status'));
}
let type = undefined;
if ('type' in transaction) {
// from fetchTransactions
const rawType = this.safeString (transaction, 'type');
if (rawType === '0') {
type = 'deposit';
} else if (rawType === '1') {
type = 'withdrawal';
}
} else {
// from fetchWithdrawals
type = 'withdrawal';
}
const txid = this.safeString (transaction, 'transaction_id');
let tag = undefined;
let address = this.safeString (transaction, 'address');
if (address !== undefined) {
// dt (destination tag) is embedded into the address field
const addressParts = address.split ('?dt=');
const numParts = addressParts.length;
if (numParts > 1) {
address = addressParts[0];
tag = addressParts[1];
}
}
const addressFrom = undefined;
const addressTo = address;
const tagFrom = undefined;
const tagTo = tag;
let fee = undefined;
if (feeCost !== undefined) {
fee = {
'currency': feeCurrency,
'cost': feeCost,
'rate': undefined,
};
}
return {
'info': transaction,
'id': id,
'txid': txid,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'addressFrom': addressFrom,
'addressTo': addressTo,
'address': address,
'tagFrom': tagFrom,
'tagTo': tagTo,
'tag': tag,
'type': type,
'amount': amount,
'currency': code,
'status': status,
'updated': undefined,
'fee': fee,
};
}
parseTransactionStatus (status) {
// withdrawals:
// 0 (open), 1 (in process), 2 (finished), 3 (canceled) or 4 (failed).
const statuses = {
'0': 'pending', // Open
'1': 'pending', // In process
'2': 'ok', // Finished
'3': 'canceled', // Canceled
'4': 'failed', // Failed
};
return this.safeString (statuses, status, status);
}
parseOrder (order, market = undefined) {
// from fetch order:
// { status: 'Finished',
// id: 731693945,
// transactions:
// [ { fee: '0.000019',
// price: '0.00015803',
// datetime: '2018-01-07 10:45:34.132551',
// btc: '0.0079015000000000',
// tid: 42777395,
// type: 2,
// xrp: '50.00000000' } ] }
//
// partially filled order:
// { "id": 468646390,
// "status": "Canceled",
// "transactions": [{
// "eth": "0.23000000",
// "fee": "0.09",
// "tid": 25810126,
// "usd": "69.8947000000000000",
// "type": 2,
// "price": "303.89000000",
// "datetime": "2017-11-11 07:22:20.710567"
// }]}
//
// from create order response:
// {
// price: '0.00008012',
// currency_pair: 'XRP/BTC',
// datetime: '2019-01-31 21:23:36',
// amount: '15.00000000',
// type: '0',
// id: '2814205012'
// }
//
const id = this.safeString (order, 'id');
let side = this.safeString (order, 'type');
if (side !== undefined) {
side = (side === '1') ? 'sell' : 'buy';
}
// there is no timestamp from fetchOrder
const timestamp = this.parse8601 (this.safeString (order, 'datetime'));
const marketId = this.safeStringLower (order, 'currency_pair');
let symbol = this.safeSymbol (marketId, market, '/');
const status = this.parseOrderStatus (this.safeString (order, 'status'));
const amount = this.safeNumber (order, 'amount');
const transactions = this.safeValue (order, 'transactions', []);
const trades = this.parseTrades (transactions, market);
const length = trades.length;
if (length) {
symbol = trades[0]['symbol'];
}
const price = this.safeNumber (order, 'price');
return this.safeOrder ({
'id': id,
'clientOrderId': undefined,
'datetime': this.iso8601 (timestamp),
'timestamp': timestamp,
'lastTradeTimestamp': undefined,
'status': status,
'symbol': symbol,
'type': undefined,
'timeInForce': undefined,
'postOnly': undefined,
'side': side,
'price': price,
'stopPrice': undefined,
'cost': undefined,
'amount': amount,
'filled': undefined,
'remaining': undefined,
'trades': trades,
'fee': undefined,
'info': order,
'average': undefined,
});
}
parseLedgerEntryType (type) {
const types = {
'0': 'transaction',
'1': 'transaction',
'2': 'trade',
'14': 'transfer',
};
return this.safeString (types, type, type);
}
parseLedgerEntry (item, currency = undefined) {
//
// [
// {
// "fee": "0.00000000",
// "btc_usd": "0.00",
// "id": 1234567894,
// "usd": 0,
// "btc": 0,
// "datetime": "2018-09-08 09:00:31",
// "type": "1",
// "xrp": "-20.00000000",
// "eur": 0,
// },
// {
// "fee": "0.00000000",
// "btc_usd": "0.00",
// "id": 1134567891,
// "usd": 0,
// "btc": 0,
// "datetime": "2018-09-07 18:47:52",
// "type": "0",
// "xrp": "20.00000000",
// "eur": 0,
// },
// ]
//
const type = this.parseLedgerEntryType (this.safeString (item, 'type'));
if (type === 'trade') {
const parsedTrade = this.parseTrade (item);
let market = undefined;
const keys = Object.keys (item);
for (let i = 0; i < keys.length; i++) {
if (keys[i].indexOf ('_') >= 0) {
const marketId = keys[i].replace ('_', '');
if (marketId in this.markets_by_id) {
market = this.markets_by_id[marketId];
}
}
}
// if the market is still not defined
// try to deduce it from used keys
if (market === undefined) {
market = this.getMarketFromTrade (item);
}
const direction = parsedTrade['