/
bitfinex2.js
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bitfinex2.js
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'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, InvalidAddress, ArgumentsRequired, InsufficientFunds, AuthenticationError, OrderNotFound, InvalidOrder, BadRequest, InvalidNonce, BadSymbol, OnMaintenance, NotSupported, PermissionDenied, ExchangeNotAvailable } = require ('./base/errors');
const Precise = require ('./base/Precise');
const { SIGNIFICANT_DIGITS, DECIMAL_PLACES, TRUNCATE, ROUND } = require ('./base/functions/number');
// ---------------------------------------------------------------------------
module.exports = class bitfinex2 extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'bitfinex2',
'name': 'Bitfinex',
'countries': [ 'VG' ],
'version': 'v2',
'certified': false,
'pro': false,
// new metainfo interface
'has': {
'CORS': undefined,
'spot': true,
'margin': undefined, // has but unimplemented
'swap': undefined, // has but unimplemented
'future': undefined,
'option': undefined,
'cancelAllOrders': true,
'cancelOrder': true,
'createDepositAddress': true,
'createLimitOrder': true,
'createMarketOrder': true,
'createOrder': true,
'createStopLimitOrder': true,
'createStopMarketOrder': true,
'createStopOrder': true,
'editOrder': undefined,
'fetchBalance': true,
'fetchClosedOrder': true,
'fetchClosedOrders': true,
'fetchCurrencies': true,
'fetchDepositAddress': true,
'fetchIndexOHLCV': false,
'fetchLedger': true,
'fetchMarginMode': false,
'fetchMarkOHLCV': false,
'fetchMyTrades': true,
'fetchOHLCV': true,
'fetchOpenOrder': true,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderTrades': true,
'fetchPositionMode': false,
'fetchStatus': true,
'fetchTickers': true,
'fetchTime': false,
'fetchTradingFee': false,
'fetchTradingFees': true,
'fetchTransactionFees': undefined,
'fetchTransactions': true,
'withdraw': true,
},
'timeframes': {
'1m': '1m',
'5m': '5m',
'15m': '15m',
'30m': '30m',
'1h': '1h',
'3h': '3h',
'4h': '4h',
'6h': '6h',
'12h': '12h',
'1d': '1D',
'1w': '7D',
'2w': '14D',
'1M': '1M',
},
// cheapest endpoint is 240 requests per minute => ~ 4 requests per second => ( 1000ms / 4 ) = 250ms between requests on average
'rateLimit': 250,
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27766244-e328a50c-5ed2-11e7-947b-041416579bb3.jpg',
'api': {
'v1': 'https://api.bitfinex.com',
'public': 'https://api-pub.bitfinex.com',
'private': 'https://api.bitfinex.com',
},
'www': 'https://www.bitfinex.com',
'doc': [
'https://docs.bitfinex.com/v2/docs/',
'https://github.com/bitfinexcom/bitfinex-api-node',
],
'fees': 'https://www.bitfinex.com/fees',
},
'api': {
'public': {
'get': {
'conf/{config}': 2.66, // 90 requests a minute
'conf/pub:{action}:{object}': 2.66,
'conf/pub:{action}:{object}:{detail}': 2.66,
'conf/pub:map:{object}': 2.66,
'conf/pub:map:{object}:{detail}': 2.66,
'conf/pub:map:currency:{detail}': 2.66,
'conf/pub:map:currency:sym': 2.66, // maps symbols to their API symbols, BAB > BCH
'conf/pub:map:currency:label': 2.66, // verbose friendly names, BNT > Bancor
'conf/pub:map:currency:unit': 2.66, // maps symbols to unit of measure where applicable
'conf/pub:map:currency:undl': 2.66, // maps derivatives symbols to their underlying currency
'conf/pub:map:currency:pool': 2.66, // maps symbols to underlying network/protocol they operate on
'conf/pub:map:currency:explorer': 2.66, // maps symbols to their recognised block explorer URLs
'conf/pub:map:currency:tx:fee': 2.66, // maps currencies to their withdrawal fees https://github.com/ccxt/ccxt/issues/7745
'conf/pub:map:tx:method': 2.66,
'conf/pub:list:{object}': 2.66,
'conf/pub:list:{object}:{detail}': 2.66,
'conf/pub:list:currency': 2.66,
'conf/pub:list:pair:exchange': 2.66,
'conf/pub:list:pair:margin': 2.66,
'conf/pub:list:pair:futures': 2.66,
'conf/pub:list:competitions': 2.66,
'conf/pub:info:{object}': 2.66,
'conf/pub:info:{object}:{detail}': 2.66,
'conf/pub:info:pair': 2.66,
'conf/pub:info:pair:futures': 2.66,
'conf/pub:info:tx:status': 2.66, // [ deposit, withdrawal ] statuses 1 = active, 0 = maintenance
'conf/pub:fees': 2.66,
'platform/status': 8, // 30 requests per minute = 0.5 requests per second => ( 1000ms / rateLimit ) / 0.5 = 8
'tickers': 2.66, // 90 requests a minute = 1.5 requests per second => ( 1000 / rateLimit ) / 1.5 = 2.666666666
'ticker/{symbol}': 2.66,
'tickers/hist': 2.66,
'trades/{symbol}/hist': 2.66,
'book/{symbol}/{precision}': 1, // 240 requests a minute
'book/{symbol}/P0': 1,
'book/{symbol}/P1': 1,
'book/{symbol}/P2': 1,
'book/{symbol}/P3': 1,
'book/{symbol}/R0': 1,
'stats1/{key}:{size}:{symbol}:{side}/{section}': 2.66,
'stats1/{key}:{size}:{symbol}:{side}/last': 2.66,
'stats1/{key}:{size}:{symbol}:{side}/hist': 2.66,
'stats1/{key}:{size}:{symbol}/{section}': 2.66,
'stats1/{key}:{size}:{symbol}/last': 2.66,
'stats1/{key}:{size}:{symbol}/hist': 2.66,
'stats1/{key}:{size}:{symbol}:long/last': 2.66,
'stats1/{key}:{size}:{symbol}:long/hist': 2.66,
'stats1/{key}:{size}:{symbol}:short/last': 2.66,
'stats1/{key}:{size}:{symbol}:short/hist': 2.66,
'candles/trade:{timeframe}:{symbol}:{period}/{section}': 2.66,
'candles/trade:{timeframe}:{symbol}/{section}': 2.66,
'candles/trade:{timeframe}:{symbol}/last': 2.66,
'candles/trade:{timeframe}:{symbol}/hist': 2.66,
'status/{type}': 2.66,
'status/deriv': 2.66,
'liquidations/hist': 80, // 3 requests a minute = 0.05 requests a second => ( 1000ms / rateLimit ) / 0.05 = 80
'rankings/{key}:{timeframe}:{symbol}/{section}': 2.66,
'rankings/{key}:{timeframe}:{symbol}/hist': 2.66,
'pulse/hist': 2.66,
'pulse/profile/{nickname}': 2.66,
'funding/stats/{symbol}/hist': 10, // ratelimit not in docs
},
'post': {
'calc/trade/avg': 2.66,
'calc/fx': 2.66,
},
},
'private': {
'post': {
// 'auth/r/orders/{symbol}/new', // outdated
// 'auth/r/stats/perf:{timeframe}/hist', // outdated
'auth/r/wallets': 2.66,
'auth/r/wallets/hist': 2.66,
'auth/r/orders': 2.66,
'auth/r/orders/{symbol}': 2.66,
'auth/w/order/submit': 2.66,
'auth/w/order/update': 2.66,
'auth/w/order/cancel': 2.66,
'auth/w/order/multi': 2.66,
'auth/w/order/cancel/multi': 2.66,
'auth/r/orders/{symbol}/hist': 2.66,
'auth/r/orders/hist': 2.66,
'auth/r/order/{symbol}:{id}/trades': 2.66,
'auth/r/trades/{symbol}/hist': 2.66,
'auth/r/trades/hist': 2.66,
'auth/r/ledgers/{currency}/hist': 2.66,
'auth/r/ledgers/hist': 2.66,
'auth/r/info/margin/{key}': 2.66,
'auth/r/info/margin/base': 2.66,
'auth/r/info/margin/sym_all': 2.66,
'auth/r/positions': 2.66,
'auth/w/position/claim': 2.66,
'auth/w/position/increase:': 2.66,
'auth/r/position/increase/info': 2.66,
'auth/r/positions/hist': 2.66,
'auth/r/positions/audit': 2.66,
'auth/r/positions/snap': 2.66,
'auth/w/deriv/collateral/set': 2.66,
'auth/w/deriv/collateral/limits': 2.66,
'auth/r/funding/offers': 2.66,
'auth/r/funding/offers/{symbol}': 2.66,
'auth/w/funding/offer/submit': 2.66,
'auth/w/funding/offer/cancel': 2.66,
'auth/w/funding/offer/cancel/all': 2.66,
'auth/w/funding/close': 2.66,
'auth/w/funding/auto': 2.66,
'auth/w/funding/keep': 2.66,
'auth/r/funding/offers/{symbol}/hist': 2.66,
'auth/r/funding/offers/hist': 2.66,
'auth/r/funding/loans': 2.66,
'auth/r/funding/loans/hist': 2.66,
'auth/r/funding/loans/{symbol}': 2.66,
'auth/r/funding/loans/{symbol}/hist': 2.66,
'auth/r/funding/credits': 2.66,
'auth/r/funding/credits/hist': 2.66,
'auth/r/funding/credits/{symbol}': 2.66,
'auth/r/funding/credits/{symbol}/hist': 2.66,
'auth/r/funding/trades/{symbol}/hist': 2.66,
'auth/r/funding/trades/hist': 2.66,
'auth/r/info/funding/{key}': 2.66,
'auth/r/info/user': 2.66,
'auth/r/summary': 2.66,
'auth/r/logins/hist': 2.66,
'auth/r/permissions': 2.66,
'auth/w/token': 2.66,
'auth/r/audit/hist': 2.66,
'auth/w/transfer': 2.66, // ratelimit not in docs...
'auth/w/deposit/address': 24, // 10 requests a minute = 0.166 requests per second => ( 1000ms / rateLimit ) / 0.166 = 24
'auth/w/deposit/invoice': 24, // ratelimit not in docs
'auth/w/withdraw': 24, // ratelimit not in docs
'auth/r/movements/{currency}/hist': 2.66,
'auth/r/movements/hist': 2.66,
'auth/r/alerts': 5.33, // 45 requests a minute = 0.75 requests per second => ( 1000ms / rateLimit ) / 0.75 => 5.33
'auth/w/alert/set': 2.66,
'auth/w/alert/price:{symbol}:{price}/del': 2.66,
'auth/w/alert/{type}:{symbol}:{price}/del': 2.66,
'auth/calc/order/avail': 2.66,
'auth/w/settings/set': 2.66,
'auth/r/settings': 2.66,
'auth/w/settings/del': 2.66,
'auth/r/pulse/hist': 2.66,
'auth/w/pulse/add': 16, // 15 requests a minute = 0.25 requests per second => ( 1000ms / rateLimit ) / 0.25 => 16
'auth/w/pulse/del': 2.66,
},
},
},
'fees': {
'trading': {
'feeSide': 'get',
'percentage': true,
'tierBased': true,
'maker': this.parseNumber ('0.001'),
'taker': this.parseNumber ('0.002'),
'tiers': {
'taker': [
[ this.parseNumber ('0'), this.parseNumber ('0.002') ],
[ this.parseNumber ('500000'), this.parseNumber ('0.002') ],
[ this.parseNumber ('1000000'), this.parseNumber ('0.002') ],
[ this.parseNumber ('2500000'), this.parseNumber ('0.002') ],
[ this.parseNumber ('5000000'), this.parseNumber ('0.002') ],
[ this.parseNumber ('7500000'), this.parseNumber ('0.002') ],
[ this.parseNumber ('10000000'), this.parseNumber ('0.0018') ],
[ this.parseNumber ('15000000'), this.parseNumber ('0.0016') ],
[ this.parseNumber ('20000000'), this.parseNumber ('0.0014') ],
[ this.parseNumber ('25000000'), this.parseNumber ('0.0012') ],
[ this.parseNumber ('30000000'), this.parseNumber ('0.001') ],
],
'maker': [
[ this.parseNumber ('0'), this.parseNumber ('0.001') ],
[ this.parseNumber ('500000'), this.parseNumber ('0.0008') ],
[ this.parseNumber ('1000000'), this.parseNumber ('0.0006') ],
[ this.parseNumber ('2500000'), this.parseNumber ('0.0004') ],
[ this.parseNumber ('5000000'), this.parseNumber ('0.0002') ],
[ this.parseNumber ('7500000'), this.parseNumber ('0') ],
[ this.parseNumber ('10000000'), this.parseNumber ('0') ],
[ this.parseNumber ('15000000'), this.parseNumber ('0') ],
[ this.parseNumber ('20000000'), this.parseNumber ('0') ],
[ this.parseNumber ('25000000'), this.parseNumber ('0') ],
[ this.parseNumber ('30000000'), this.parseNumber ('0') ],
],
},
},
'funding': {
'withdraw': {},
},
},
'precisionMode': SIGNIFICANT_DIGITS,
'options': {
'precision': 'R0', // P0, P1, P2, P3, P4, R0
// convert 'EXCHANGE MARKET' to lowercase 'market'
// convert 'EXCHANGE LIMIT' to lowercase 'limit'
// everything else remains uppercase
'exchangeTypes': {
// 'MARKET': undefined,
'EXCHANGE MARKET': 'market',
// 'LIMIT': undefined,
'EXCHANGE LIMIT': 'limit',
// 'STOP': undefined,
'EXCHANGE STOP': 'market',
// 'TRAILING STOP': undefined,
// 'EXCHANGE TRAILING STOP': undefined,
// 'FOK': undefined,
'EXCHANGE FOK': 'limit',
// 'STOP LIMIT': undefined,
'EXCHANGE STOP LIMIT': 'limit',
// 'IOC': undefined,
'EXCHANGE IOC': 'limit',
},
// convert 'market' to 'EXCHANGE MARKET'
// convert 'limit' 'EXCHANGE LIMIT'
// everything else remains as is
'orderTypes': {
'market': 'EXCHANGE MARKET',
'limit': 'EXCHANGE LIMIT',
},
'fiat': {
'USD': 'USD',
'EUR': 'EUR',
'JPY': 'JPY',
'GBP': 'GBP',
'CHN': 'CHN',
},
// actually the correct names unlike the v1
// we don't want to extend this with accountsByType in v1
'v2AccountsByType': {
'spot': 'exchange',
'exchange': 'exchange',
'funding': 'funding',
'margin': 'margin',
'derivatives': 'margin',
'future': 'margin',
},
},
'exceptions': {
'exact': {
'10001': PermissionDenied, // api_key: permission invalid (#10001)
'10020': BadRequest,
'10100': AuthenticationError,
'10114': InvalidNonce,
'20060': OnMaintenance,
// {"code":503,"error":"temporarily_unavailable","error_description":"Sorry, the service is temporarily unavailable. See https://www.bitfinex.com/ for more info."}
'temporarily_unavailable': ExchangeNotAvailable,
},
'broad': {
'address': InvalidAddress,
'available balance is only': InsufficientFunds,
'not enough exchange balance': InsufficientFunds,
'Order not found': OrderNotFound,
'symbol: invalid': BadSymbol,
'Invalid order': InvalidOrder,
},
},
'commonCurrencies': {
'UST': 'USDT',
'EUTF0': 'EURT',
'USTF0': 'USDT',
'ALG': 'ALGO', // https://github.com/ccxt/ccxt/issues/6034
'AMP': 'AMPL',
'ATO': 'ATOM', // https://github.com/ccxt/ccxt/issues/5118
'BCHABC': 'XEC',
'BCHN': 'BCH',
'DAT': 'DATA',
'DOG': 'MDOGE',
'DSH': 'DASH',
'EDO': 'PNT',
'EUS': 'EURS',
'EUT': 'EURT',
'IDX': 'ID',
'IOT': 'IOTA',
'IQX': 'IQ',
'LUNA': 'LUNC',
'LUNA2': 'LUNA',
'MNA': 'MANA',
'ORS': 'ORS Group', // conflict with Origin Sport #3230
'PAS': 'PASS',
'QSH': 'QASH',
'QTM': 'QTUM',
'RBT': 'RBTC',
'SNG': 'SNGLS',
'STJ': 'STORJ',
'TERRAUST': 'USTC',
'TSD': 'TUSD',
'YGG': 'YEED', // conflict with Yield Guild Games
'YYW': 'YOYOW',
'UDC': 'USDC',
'VSY': 'VSYS',
'WAX': 'WAXP',
'XCH': 'XCHF',
'ZBT': 'ZB',
},
});
}
isFiat (code) {
return (code in this.options['fiat']);
}
getCurrencyId (code) {
return 'f' + code;
}
getCurrencyName (code) {
// temporary fix for transpiler recognition, even though this is in parent class
if (code in this.options['currencyNames']) {
return this.options['currencyNames'][code];
}
throw new NotSupported (this.id + ' ' + code + ' not supported for withdrawal');
}
amountToPrecision (symbol, amount) {
// https://docs.bitfinex.com/docs/introduction#amount-precision
// The amount field allows up to 8 decimals.
// Anything exceeding this will be rounded to the 8th decimal.
return this.decimalToPrecision (amount, TRUNCATE, this.markets[symbol]['precision']['amount'], DECIMAL_PLACES);
}
priceToPrecision (symbol, price) {
price = this.decimalToPrecision (price, ROUND, this.markets[symbol]['precision']['price'], this.precisionMode);
// https://docs.bitfinex.com/docs/introduction#price-precision
// The precision level of all trading prices is based on significant figures.
// All pairs on Bitfinex use up to 5 significant digits and up to 8 decimals (e.g. 1.2345, 123.45, 1234.5, 0.00012345).
// Prices submit with a precision larger than 5 will be cut by the API.
return this.decimalToPrecision (price, TRUNCATE, 8, DECIMAL_PLACES);
}
async fetchStatus (params = {}) {
/**
* @method
* @name bitfinex2#fetchStatus
* @description the latest known information on the availability of the exchange API
* @param {object} params extra parameters specific to the bitfinex2 api endpoint
* @returns {object} a [status structure]{@link https://docs.ccxt.com/en/latest/manual.html#exchange-status-structure}
*/
//
// [1] // operative
// [0] // maintenance
//
const response = await this.publicGetPlatformStatus (params);
const statusRaw = this.safeString (response, 0);
return {
'status': this.safeString ({ '0': 'maintenance', '1': 'ok' }, statusRaw, statusRaw),
'updated': undefined,
'eta': undefined,
'url': undefined,
'info': response,
};
}
async fetchMarkets (params = {}) {
/**
* @method
* @name bitfinex2#fetchMarkets
* @description retrieves data on all markets for bitfinex2
* @param {object} params extra parameters specific to the exchange api endpoint
* @returns {[object]} an array of objects representing market data
*/
let spotMarketsInfo = await this.publicGetConfPubInfoPair (params);
let futuresMarketsInfo = await this.publicGetConfPubInfoPairFutures (params);
spotMarketsInfo = this.safeValue (spotMarketsInfo, 0, []);
futuresMarketsInfo = this.safeValue (futuresMarketsInfo, 0, []);
const markets = this.arrayConcat (spotMarketsInfo, futuresMarketsInfo);
let marginIds = await this.publicGetConfPubListPairMargin (params);
marginIds = this.safeValue (marginIds, 0, []);
//
// [
// "1INCH:USD",
// [
// null,
// null,
// null,
// "2.0",
// "100000.0",
// null,
// null,
// null,
// null,
// null,
// null,
// null
// ]
// ]
//
const result = [];
for (let i = 0; i < markets.length; i++) {
const pair = markets[i];
const id = this.safeStringUpper (pair, 0);
const market = this.safeValue (pair, 1, {});
let spot = true;
if (id.indexOf ('F0') >= 0) {
spot = false;
}
const swap = !spot;
let baseId = undefined;
let quoteId = undefined;
if (id.indexOf (':') >= 0) {
const parts = id.split (':');
baseId = parts[0];
quoteId = parts[1];
} else {
baseId = id.slice (0, 3);
quoteId = id.slice (3, 6);
}
let base = this.safeCurrencyCode (baseId);
let quote = this.safeCurrencyCode (quoteId);
const splitBase = base.split ('F0');
const splitQuote = quote.split ('F0');
base = this.safeString (splitBase, 0);
quote = this.safeString (splitQuote, 0);
let symbol = base + '/' + quote;
baseId = this.getCurrencyId (baseId);
quoteId = this.getCurrencyId (quoteId);
let settle = undefined;
if (swap) {
settle = quote;
symbol = symbol + ':' + settle;
}
const minOrderSizeString = this.safeString (market, 3);
const maxOrderSizeString = this.safeString (market, 4);
let margin = false;
if (this.inArray (id, marginIds)) {
margin = true;
}
result.push ({
'id': 't' + id,
'symbol': symbol,
'base': base,
'quote': quote,
'settle': settle,
'baseId': baseId,
'quoteId': quoteId,
'settleId': quoteId,
'type': spot ? 'spot' : 'swap',
'spot': spot,
'margin': margin,
'swap': swap,
'future': false,
'option': false,
'active': true,
'contract': swap,
'linear': swap ? true : undefined,
'inverse': swap ? false : undefined,
'contractSize': swap ? this.parseNumber ('1') : undefined,
'expiry': undefined,
'expiryDatetime': undefined,
'strike': undefined,
'optionType': undefined,
'precision': {
'amount': parseInt ('8'), // https://github.com/ccxt/ccxt/issues/7310
'price': parseInt ('5'),
},
'limits': {
'leverage': {
'min': undefined,
'max': undefined,
},
'amount': {
'min': this.parseNumber (minOrderSizeString),
'max': this.parseNumber (maxOrderSizeString),
},
'price': {
'min': this.parseNumber ('1e-8'),
'max': undefined,
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': market,
});
}
return result;
}
async fetchCurrencies (params = {}) {
/**
* @method
* @name bitfinex2#fetchCurrencies
* @description fetches all available currencies on an exchange
* @param {object} params extra parameters specific to the bitfinex2 api endpoint
* @returns {object} an associative dictionary of currencies
*/
const labels = [
'pub:list:currency',
'pub:map:currency:sym', // maps symbols to their API symbols, BAB > BCH
'pub:map:currency:label', // verbose friendly names, BNT > Bancor
'pub:map:currency:unit', // maps symbols to unit of measure where applicable
'pub:map:currency:undl', // maps derivatives symbols to their underlying currency
'pub:map:currency:pool', // maps symbols to underlying network/protocol they operate on
'pub:map:currency:explorer', // maps symbols to their recognised block explorer URLs
'pub:map:currency:tx:fee', // maps currencies to their withdrawal fees https://github.com/ccxt/ccxt/issues/7745,
'pub:map:tx:method', // maps withdrawal/deposit methods to their API symbols
];
const config = labels.join (',');
const request = {
'config': config,
};
const response = await this.publicGetConfConfig (this.extend (request, params));
//
// [
//
// a list of symbols
// ["AAA","ABS","ADA"],
//
// // sym
// // maps symbols to their API symbols, BAB > BCH
// [
// [ 'BAB', 'BCH' ],
// [ 'CNHT', 'CNHt' ],
// [ 'DSH', 'DASH' ],
// [ 'IOT', 'IOTA' ],
// [ 'LES', 'LEO-EOS' ],
// [ 'LET', 'LEO-ERC20' ],
// [ 'STJ', 'STORJ' ],
// [ 'TSD', 'TUSD' ],
// [ 'UDC', 'USDC' ],
// [ 'USK', 'USDK' ],
// [ 'UST', 'USDt' ],
// [ 'USTF0', 'USDt0' ],
// [ 'XCH', 'XCHF' ],
// [ 'YYW', 'YOYOW' ],
// // ...
// ],
// // label
// // verbose friendly names, BNT > Bancor
// [
// [ 'BAB', 'Bitcoin Cash' ],
// [ 'BCH', 'Bitcoin Cash' ],
// [ 'LEO', 'Unus Sed LEO' ],
// [ 'LES', 'Unus Sed LEO (EOS)' ],
// [ 'LET', 'Unus Sed LEO (ERC20)' ],
// // ...
// ],
// // unit
// // maps symbols to unit of measure where applicable
// [
// [ 'IOT', 'Mi|MegaIOTA' ],
// ],
// // undl
// // maps derivatives symbols to their underlying currency
// [
// [ 'USTF0', 'UST' ],
// [ 'BTCF0', 'BTC' ],
// [ 'ETHF0', 'ETH' ],
// ],
// // pool
// // maps symbols to underlying network/protocol they operate on
// [
// [ 'SAN', 'ETH' ], [ 'OMG', 'ETH' ], [ 'AVT', 'ETH' ], [ 'EDO', 'ETH' ],
// [ 'ESS', 'ETH' ], [ 'ATD', 'EOS' ], [ 'ADD', 'EOS' ], [ 'MTO', 'EOS' ],
// [ 'PNK', 'ETH' ], [ 'BAB', 'BCH' ], [ 'WLO', 'XLM' ], [ 'VLD', 'ETH' ],
// [ 'BTT', 'TRX' ], [ 'IMP', 'ETH' ], [ 'SCR', 'ETH' ], [ 'GNO', 'ETH' ],
// // ...
// ],
// // explorer
// // maps symbols to their recognised block explorer URLs
// [
// [
// 'AIO',
// [
// "https://mainnet.aion.network",
// "https://mainnet.aion.network/#/account/VAL",
// "https://mainnet.aion.network/#/transaction/VAL"
// ]
// ],
// // ...
// ],
// // fee
// // maps currencies to their withdrawal fees
// [
// ["AAA",[0,0]],
// ["ABS",[0,131.3]],
// ["ADA",[0,0.3]],
// ],
// ]
//
const indexed = {
'sym': this.indexBy (this.safeValue (response, 1, []), 0),
'label': this.indexBy (this.safeValue (response, 2, []), 0),
'unit': this.indexBy (this.safeValue (response, 3, []), 0),
'undl': this.indexBy (this.safeValue (response, 4, []), 0),
'pool': this.indexBy (this.safeValue (response, 5, []), 0),
'explorer': this.indexBy (this.safeValue (response, 6, []), 0),
'fees': this.indexBy (this.safeValue (response, 7, []), 0),
};
const ids = this.safeValue (response, 0, []);
const result = {};
for (let i = 0; i < ids.length; i++) {
const id = ids[i];
if (id.indexOf ('F0') >= 0) {
// we get a lot of F0 currencies, skip those
continue;
}
const code = this.safeCurrencyCode (id);
const label = this.safeValue (indexed['label'], id, []);
const name = this.safeString (label, 1);
const pool = this.safeValue (indexed['pool'], id, []);
const type = this.safeString (pool, 1);
const feeValues = this.safeValue (indexed['fees'], id, []);
const fees = this.safeValue (feeValues, 1, []);
const fee = this.safeNumber (fees, 1);
const undl = this.safeValue (indexed['undl'], id, []);
const precision = '8'; // default precision, todo: fix "magic constants"
const fid = 'f' + id;
result[code] = {
'id': fid,
'uppercaseId': id,
'code': code,
'info': [ id, label, pool, feeValues, undl ],
'type': type,
'name': name,
'active': true,
'deposit': undefined,
'withdraw': undefined,
'fee': fee,
'precision': parseInt (precision),
'limits': {
'amount': {
'min': this.parseNumber (this.parsePrecision (precision)),
'max': undefined,
},
'withdraw': {
'min': fee,
'max': undefined,
},
},
};
const networks = {};
const currencyNetworks = this.safeValue (response, 8, []);
const cleanId = id.replace ('F0', '');
for (let j = 0; j < currencyNetworks.length; j++) {
const pair = currencyNetworks[j];
const networkId = this.safeString (pair, 0);
const currencyId = this.safeString (this.safeValue (pair, 1, []), 0);
if (currencyId === cleanId) {
const network = this.safeNetwork (networkId);
networks[network] = {
'info': networkId,
'id': networkId.toLowerCase (),
'network': networkId,
'active': undefined,
'deposit': undefined,
'withdraw': undefined,
'fee': undefined,
'precision': undefined,
'limits': {
'withdraw': {
'min': undefined,
'max': undefined,
},
},
};
}
}
const keysNetworks = Object.keys (networks);
const networksLength = keysNetworks.length;
if (networksLength > 0) {
result[code]['networks'] = networks;
}
}
return result;
}
safeNetwork (networkId) {
const networksById = {
'BITCOIN': 'BTC',
'LITECOIN': 'LTC',
'ETHEREUM': 'ERC20',
'TETHERUSE': 'ERC20',
'TETHERUSO': 'OMNI',
'TETHERUSL': 'LIQUID',
'TETHERUSX': 'TRC20',
'TETHERUSS': 'EOS',
'TETHERUSDTAVAX': 'AVAX',
'TETHERUSDTSOL': 'SOL',
'TETHERUSDTALG': 'ALGO',
'TETHERUSDTBCH': 'BCH',
'TETHERUSDTKSM': 'KSM',
'TETHERUSDTDVF': 'DVF',
'TETHERUSDTOMG': 'OMG',
};
return this.safeString (networksById, networkId, networkId);
}
async fetchBalance (params = {}) {
/**
* @method
* @name bitfinex2#fetchBalance
* @description query for balance and get the amount of funds available for trading or funds locked in orders
* @param {object} params extra parameters specific to the bitfinex2 api endpoint
* @returns {object} a [balance structure]{@link https://docs.ccxt.com/en/latest/manual.html?#balance-structure}
*/
// this api call does not return the 'used' amount - use the v1 version instead (which also returns zero balances)
// there is a difference between this and the v1 api, namely trading wallet is called margin in v2
await this.loadMarkets ();
const accountsByType = this.safeValue (this.options, 'v2AccountsByType', {});
const requestedType = this.safeString (params, 'type', 'exchange');
const accountType = this.safeString (accountsByType, requestedType, requestedType);
if (accountType === undefined) {
const keys = Object.keys (accountsByType);
throw new ExchangeError (this.id + ' fetchBalance() type parameter must be one of ' + keys.join (', '));
}
const isDerivative = requestedType === 'derivatives';
const query = this.omit (params, 'type');
const response = await this.privatePostAuthRWallets (query);
const result = { 'info': response };
for (let i = 0; i < response.length; i++) {
const balance = response[i];
const type = this.safeString (balance, 0);
const currencyId = this.safeStringLower (balance, 1, '');
const start = currencyId.length - 2;
const isDerivativeCode = currencyId.slice (start) === 'f0';
// this will only filter the derivative codes if the requestedType is 'derivatives'
const derivativeCondition = (!isDerivative || isDerivativeCode);
if ((accountType === type) && derivativeCondition) {
const code = this.safeCurrencyCode (currencyId);
const account = this.account ();
account['total'] = this.safeString (balance, 2);
account['free'] = this.safeString (balance, 4);
result[code] = account;
}
}
return this.safeBalance (result);
}
async transfer (code, amount, fromAccount, toAccount, params = {}) {
/**
* @method
* @name bitfinex2#transfer
* @description transfer currency internally between wallets on the same account
* @param {string} code unified currency code
* @param {float} amount amount to transfer
* @param {string} fromAccount account to transfer from
* @param {string} toAccount account to transfer to
* @param {object} params extra parameters specific to the bitfinex2 api endpoint
* @returns {object} a [transfer structure]{@link https://docs.ccxt.com/en/latest/manual.html#transfer-structure}
*/
// transferring between derivatives wallet and regular wallet is not documented in their API
// however we support it in CCXT (from just looking at web inspector)
await this.loadMarkets ();
const accountsByType = this.safeValue (this.options, 'v2AccountsByType', {});
const fromId = this.safeString (accountsByType, fromAccount);
if (fromId === undefined) {
const keys = Object.keys (accountsByType);
throw new ArgumentsRequired (this.id + ' transfer() fromAccount must be one of ' + keys.join (', '));
}
const toId = this.safeString (accountsByType, toAccount);
if (toId === undefined) {
const keys = Object.keys (accountsByType);
throw new ArgumentsRequired (this.id + ' transfer() toAccount must be one of ' + keys.join (', '));
}
const currency = this.currency (code);
const fromCurrencyId = this.convertDerivativesId (currency, fromAccount);
const toCurrencyId = this.convertDerivativesId (currency, toAccount);
const requestedAmount = this.currencyToPrecision (code, amount);
// this request is slightly different from v1 fromAccount -> from
const request = {
'amount': requestedAmount,
'currency': fromCurrencyId,
'currency_to': toCurrencyId,
'from': fromId,
'to': toId,
};
const response = await this.privatePostAuthWTransfer (this.extend (request, params));
//
// [
// 1616451183763,
// "acc_tf",
// null,
// null,
// [
// 1616451183763,
// "exchange",
// "margin",
// null,
// "UST",
// "UST",
// null,
// 1
// ],
// null,
// "SUCCESS",
// "1.0 Tether USDt transfered from Exchange to Margin"
// ]
//
const error = this.safeString (response, 0);
if (error === 'error') {
const message = this.safeString (response, 2, '');
// same message as in v1
this.throwExactlyMatchedException (this.exceptions['exact'], message, this.id + ' ' + message);
throw new ExchangeError (this.id + ' ' + message);
}
return this.parseTransfer (response, currency);
}
parseTransfer (transfer, currency = undefined) {
//
// transfer
//
// [
// 1616451183763,
// "acc_tf",
// null,
// null,
// [
// 1616451183763,
// "exchange",
// "margin",
// null,
// "UST",
// "UST",
// null,
// 1
// ],
// null,
// "SUCCESS",
// "1.0 Tether USDt transfered from Exchange to Margin"
// ]
//
const timestamp = this.safeInteger (transfer, 0);
const info = this.safeValue (transfer, 4);
const fromAccount = this.safeString (info, 1);
const toAccount = this.safeString (info, 2);
const currencyId = this.safeString (info, 5);
const status = this.safeString (transfer, 6);
return {
'id': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'status': this.parseTransferStatus (status),
'amount': this.safeNumber (info, 7),
'currency': this.safeCurrencyCode (currencyId, currency),
'fromAccount': fromAccount,
'toAccount': toAccount,
'info': transfer,
};
}
parseTransferStatus (status) {
const statuses = {
'SUCCESS': 'ok',
'ERROR': 'failed',
'FAILURE': 'failed',
};
return this.safeString (statuses, status, status);
}
convertDerivativesId (currency, type) {
// there is a difference between this and the v1 api, namely trading wallet is called margin in v2
// {
// id: 'fUSTF0',
// code: 'USTF0',
// info: [ 'USTF0', [], [], [], [ 'USTF0', 'UST' ] ],
const info = this.safeValue (currency, 'info');
const transferId = this.safeString (info, 0);
const underlying = this.safeValue (info, 4, []);
let currencyId = undefined;
if (type === 'derivatives') {
currencyId = this.safeString (underlying, 0, transferId);
const start = currencyId.length - 2;
const isDerivativeCode = currencyId.slice (start) === 'F0';
if (!isDerivativeCode) {
currencyId = currencyId + 'F0';
}
} else if (type !== 'margin') {
currencyId = this.safeString (underlying, 1, transferId);
} else {
currencyId = transferId;
}
return currencyId;
}
async fetchOrder (id, symbol = undefined, params = {}) {
/**
* @method
* @name bitfinex2#fetchOrder
* @description fetches information on an order made by the user
* @param {string|undefined} symbol unified symbol of the market the order was made in
* @param {object} params extra parameters specific to the bitfinex2 api endpoint
* @returns {object} An [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
throw new NotSupported (this.id + ' fetchOrder() is not supported yet. Consider using fetchOpenOrder() or fetchClosedOrder() instead.');
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
/**
* @method
* @name bitfinex2#fetchOrderBook
* @description fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
* @param {string} symbol unified symbol of the market to fetch the order book for
* @param {int|undefined} limit the maximum amount of order book entries to return
* @param {object} params extra parameters specific to the bitfinex2 api endpoint
* @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/en/latest/manual.html#order-book-structure} indexed by market symbols
*/
await this.loadMarkets ();
const precision = this.safeValue (this.options, 'precision', 'R0');
const market = this.market (symbol);
const request = {
'symbol': market['id'],
'precision': precision,
};
if (limit !== undefined) {
request['len'] = limit; // 25 or 100
}