ccxt-xigua
Version:
1,557 lines • 68.3 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, ArgumentsRequired, BadRequest, OrderNotFound, InvalidOrder, InvalidNonce, InsufficientFunds, AuthenticationError, PermissionDenied, NotSupported, OnMaintenance, RateLimitExceeded, ExchangeNotAvailable } = require ('./base/errors');
const { TICK_SIZE } = require ('./base/functions/number');
const Precise = require ('./base/Precise');
// ---------------------------------------------------------------------------
module.exports = class gemini extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'gemini',
'name': 'Gemini',
'countries': [ 'US' ],
// 600 requests a minute = 10 requests per second => 1000ms / 10 = 100ms between requests (private endpoints)
// 120 requests a minute = 2 requests per second => ( 1000ms / rateLimit ) / 2 = 5 (public endpoints)
'rateLimit': 100,
'version': 'v1',
'pro': true,
'has': {
'CORS': undefined,
'spot': true,
'margin': false,
'swap': false,
'future': false,
'option': false,
'addMargin': false,
'cancelOrder': true,
'createDepositAddress': true,
'createMarketOrder': undefined,
'createOrder': true,
'createReduceOnlyOrder': false,
'fetchBalance': true,
'fetchBidsAsks': undefined,
'fetchBorrowRate': false,
'fetchBorrowRateHistories': false,
'fetchBorrowRateHistory': false,
'fetchBorrowRates': false,
'fetchBorrowRatesPerSymbol': false,
'fetchClosedOrders': undefined,
'fetchDepositAddress': undefined, // TODO
'fetchDepositAddressesByNetwork': true,
'fetchDeposits': undefined,
'fetchFundingHistory': false,
'fetchFundingRate': false,
'fetchFundingRateHistory': false,
'fetchFundingRates': false,
'fetchIndexOHLCV': false,
'fetchLeverage': false,
'fetchLeverageTiers': false,
'fetchMarginMode': false,
'fetchMarkets': true,
'fetchMarkOHLCV': false,
'fetchMyTrades': true,
'fetchOHLCV': true,
'fetchOpenInterestHistory': false,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderBook': true,
'fetchOrders': undefined,
'fetchPosition': false,
'fetchPositionMode': false,
'fetchPositions': false,
'fetchPositionsRisk': false,
'fetchPremiumIndexOHLCV': false,
'fetchTicker': true,
'fetchTickers': true,
'fetchTrades': true,
'fetchTradingFee': false,
'fetchTradingFees': true,
'fetchTransactions': true,
'fetchWithdrawals': undefined,
'postOnly': true,
'reduceMargin': false,
'setLeverage': false,
'setMarginMode': false,
'setPositionMode': false,
'withdraw': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27816857-ce7be644-6096-11e7-82d6-3c257263229c.jpg',
'api': {
'public': 'https://api.gemini.com',
'private': 'https://api.gemini.com',
'web': 'https://docs.gemini.com',
},
'www': 'https://gemini.com/',
'doc': [
'https://docs.gemini.com/rest-api',
'https://docs.sandbox.gemini.com',
],
'test': {
'public': 'https://api.sandbox.gemini.com',
'private': 'https://api.sandbox.gemini.com',
// use the true doc instead of the sandbox doc
// since they differ in parsing
// https://github.com/ccxt/ccxt/issues/7874
// https://github.com/ccxt/ccxt/issues/7894
'web': 'https://docs.gemini.com',
},
'fees': [
'https://gemini.com/api-fee-schedule',
'https://gemini.com/trading-fees',
'https://gemini.com/transfer-fees',
],
},
'api': {
'web': {
'get': [
'rest-api',
],
},
'public': {
'get': {
'v1/symbols': 5,
'v1/symbols/details/{symbol}': 5,
'v1/pubticker/{symbol}': 5,
'v2/ticker/{symbol}': 5,
'v2/candles/{symbol}/{timeframe}': 5,
'v1/trades/{symbol}': 5,
'v1/auction/{symbol}': 5,
'v1/auction/{symbol}/history': 5,
'v1/pricefeed': 5,
'v1/book/{symbol}': 5,
'v1/earn/rates': 5,
},
},
'private': {
'post': {
'v1/order/new': 1,
'v1/order/cancel': 1,
'v1/wrap/{symbol}': 1,
'v1/order/cancel/session': 1,
'v1/order/cancel/all': 1,
'v1/order/status': 1,
'v1/orders': 1,
'v1/mytrades': 1,
'v1/notionalvolume': 1,
'v1/tradevolume': 1,
'v1/clearing/new': 1,
'v1/clearing/status': 1,
'v1/clearing/cancel': 1,
'v1/clearing/confirm': 1,
'v1/balances': 1,
'v1/notionalbalances/{currency}': 1,
'v1/transfers': 1,
'v1/addresses/{network}': 1,
'v1/deposit/{network}/newAddress': 1,
'v1/deposit/{currency}/newAddress': 1,
'v1/withdraw/{currency}': 1,
'v1/account/transfer/{currency}': 1,
'v1/payments/addbank': 1,
'v1/payments/methods': 1,
'v1/payments/sen/withdraw': 1,
'v1/balances/earn': 1,
'v1/earn/interest': 1,
'v1/approvedAddresses/{network}/request': 1,
'v1/approvedAddresses/account/{network}': 1,
'v1/approvedAddresses/{network}/remove': 1,
'v1/account': 1,
'v1/account/create': 1,
'v1/account/list': 1,
'v1/heartbeat': 1,
},
},
},
'precisionMode': TICK_SIZE,
'fees': {
'trading': {
'taker': 0.004,
'maker': 0.002,
},
},
'httpExceptions': {
'400': BadRequest, // Auction not open or paused, ineligible timing, market not open, or the request was malformed, in the case of a private API request, missing or malformed Gemini private API authentication headers
'403': PermissionDenied, // The API key is missing the role necessary to access this private API endpoint
'404': OrderNotFound, // Unknown API entry point or Order not found
'406': InsufficientFunds, // Insufficient Funds
'429': RateLimitExceeded, // Rate Limiting was applied
'500': ExchangeError, // The server encountered an error
'502': ExchangeNotAvailable, // Technical issues are preventing the request from being satisfied
'503': OnMaintenance, // The exchange is down for maintenance
},
'timeframes': {
'1m': '1m',
'5m': '5m',
'15m': '15m',
'30m': '30m',
'1h': '1hr',
'6h': '6hr',
'1d': '1day',
},
'exceptions': {
'exact': {
'AuctionNotOpen': BadRequest, // Failed to place an auction-only order because there is no current auction open for this symbol
'ClientOrderIdTooLong': BadRequest, // The Client Order ID must be under 100 characters
'ClientOrderIdMustBeString': BadRequest, // The Client Order ID must be a string
'ConflictingOptions': BadRequest, // New orders using a combination of order execution options are not supported
'EndpointMismatch': BadRequest, // The request was submitted to an endpoint different than the one in the payload
'EndpointNotFound': BadRequest, // No endpoint was specified
'IneligibleTiming': BadRequest, // Failed to place an auction order for the current auction on this symbol because the timing is not eligible, new orders may only be placed before the auction begins.
'InsufficientFunds': InsufficientFunds, // The order was rejected because of insufficient funds
'InvalidJson': BadRequest, // The JSON provided is invalid
'InvalidNonce': InvalidNonce, // The nonce was not greater than the previously used nonce, or was not present
'InvalidOrderType': InvalidOrder, // An unknown order type was provided
'InvalidPrice': InvalidOrder, // For new orders, the price was invalid
'InvalidQuantity': InvalidOrder, // A negative or otherwise invalid quantity was specified
'InvalidSide': InvalidOrder, // For new orders, and invalid side was specified
'InvalidSignature': AuthenticationError, // The signature did not match the expected signature
'InvalidSymbol': BadRequest, // An invalid symbol was specified
'InvalidTimestampInPayload': BadRequest, // The JSON payload contained a timestamp parameter with an unsupported value.
'Maintenance': OnMaintenance, // The system is down for maintenance
'MarketNotOpen': InvalidOrder, // The order was rejected because the market is not accepting new orders
'MissingApikeyHeader': AuthenticationError, // The X-GEMINI-APIKEY header was missing
'MissingOrderField': InvalidOrder, // A required order_id field was not specified
'MissingRole': AuthenticationError, // The API key used to access this endpoint does not have the required role assigned to it
'MissingPayloadHeader': AuthenticationError, // The X-GEMINI-PAYLOAD header was missing
'MissingSignatureHeader': AuthenticationError, // The X-GEMINI-SIGNATURE header was missing
'NoSSL': AuthenticationError, // You must use HTTPS to access the API
'OptionsMustBeArray': BadRequest, // The options parameter must be an array.
'OrderNotFound': OrderNotFound, // The order specified was not found
'RateLimit': RateLimitExceeded, // Requests were made too frequently. See Rate Limits below.
'System': ExchangeError, // We are experiencing technical issues
'UnsupportedOption': BadRequest, // This order execution option is not supported.
},
'broad': {
'The Gemini Exchange is currently undergoing maintenance.': OnMaintenance, // The Gemini Exchange is currently undergoing maintenance. Please check https://status.gemini.com/ for more information.
'We are investigating technical issues with the Gemini Exchange.': ExchangeNotAvailable, // We are investigating technical issues with the Gemini Exchange. Please check https://status.gemini.com/ for more information.
},
},
'options': {
'fetchMarketsMethod': 'fetch_markets_from_web',
'fetchTickerMethod': 'fetchTickerV1', // fetchTickerV1, fetchTickerV2, fetchTickerV1AndV2
'networkIds': {
'bitcoin': 'BTC',
'ethereum': 'ERC20',
'bitcoincash': 'BCH',
'litecoin': 'LTC',
'zcash': 'ZEC',
'filecoin': 'FIL',
'dogecoin': 'DOGE',
'tezos': 'XTZ',
},
'networks': {
'BTC': 'bitcoin',
'ERC20': 'ethereum',
'BCH': 'bitcoincash',
'LTC': 'litecoin',
'ZEC': 'zcash',
'FIL': 'filecoin',
'DOGE': 'dogecoin',
'XTZ': 'tezos',
},
},
});
}
async fetchMarkets (params = {}) {
/**
* @method
* @name gemini#fetchMarkets
* @description retrieves data on all markets for gemini
* @param {dict} params extra parameters specific to the exchange api endpoint
* @returns {[dict]} an array of objects representing market data
*/
const method = this.safeValue (this.options, 'fetchMarketsMethod', 'fetch_markets_from_api');
return await this[method] (params);
}
async fetchMarketsFromWeb (params = {}) {
const response = await this.webGetRestApi (params);
const sections = response.split ('<h1 id="symbols-and-minimums">Symbols and minimums</h1>');
const numSections = sections.length;
const error = this.id + ' fetchMarketsFromWeb() the ' + this.name + ' API doc HTML markup has changed, breaking the parser of order limits and precision info for ' + this.name + ' markets.';
if (numSections !== 2) {
throw new NotSupported (error);
}
const tables = sections[1].split ('tbody>');
const numTables = tables.length;
if (numTables < 2) {
throw new NotSupported (error);
}
const rows = tables[1].split ("\n<tr>\n"); // eslint-disable-line quotes
const numRows = rows.length;
if (numRows < 2) {
throw new NotSupported (error);
}
const result = [];
// skip the first element (empty string)
for (let i = 1; i < numRows; i++) {
const row = rows[i];
const cells = row.split ("</td>\n"); // eslint-disable-line quotes
const numCells = cells.length;
if (numCells < 5) {
throw new NotSupported (error);
}
// [
// '<td>btcusd', // currency
// '<td>0.00001 BTC (1e-5)', // min order size
// '<td>0.00000001 BTC (1e-8)', // tick size
// '<td>0.01 USD', // quote currency price increment
// '</tr>'
// ]
const marketId = cells[0].replace ('<td>', '');
// const base = this.safeCurrencyCode (baseId);
const minAmountString = cells[1].replace ('<td>', '');
const minAmountParts = minAmountString.split (' ');
const minAmount = this.safeNumber (minAmountParts, 0);
const amountPrecisionString = cells[2].replace ('<td>', '');
const amountPrecisionParts = amountPrecisionString.split (' ');
const idLength = marketId.length - 0;
const startingIndex = idLength - 3;
const pricePrecisionString = cells[3].replace ('<td>', '');
const pricePrecisionParts = pricePrecisionString.split (' ');
const quoteId = this.safeStringLower (pricePrecisionParts, 1, marketId.slice (startingIndex, idLength));
const baseId = this.safeStringLower (amountPrecisionParts, 1, marketId.replace (quoteId, ''));
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
result.push ({
'id': marketId,
'symbol': base + '/' + quote,
'base': base,
'quote': quote,
'settle': undefined,
'baseId': baseId,
'quoteId': quoteId,
'settleId': undefined,
'type': 'spot',
'spot': true,
'margin': false,
'swap': false,
'future': false,
'option': false,
'active': undefined,
'contract': false,
'linear': undefined,
'inverse': undefined,
'contractSize': undefined,
'expiry': undefined,
'expiryDatetime': undefined,
'strike': undefined,
'optionType': undefined,
'precision': {
'amount': this.safeNumber (amountPrecisionParts, 0),
'price': this.safeNumber (pricePrecisionParts, 0),
},
'limits': {
'leverage': {
'min': undefined,
'max': undefined,
},
'amount': {
'min': minAmount,
'max': undefined,
},
'price': {
'min': undefined,
'max': undefined,
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': row,
});
}
return result;
}
async fetchMarketsFromAPI (params = {}) {
const response = await this.publicGetV1Symbols (params);
//
// [
// "btcusd",
// "linkusd",
// ...
// ]
//
const result = [];
for (let i = 0; i < response.length; i++) {
const marketId = response[i];
const market = marketId;
const idLength = marketId.length - 0;
const baseId = marketId.slice (0, idLength - 3);
const quoteId = marketId.slice (idLength - 3, idLength);
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
result.push ({
'id': marketId,
'symbol': base + '/' + quote,
'base': base,
'quote': quote,
'settle': undefined,
'baseId': baseId,
'quoteId': quoteId,
'settleId': undefined,
'type': 'spot',
'spot': true,
'margin': false,
'swap': false,
'future': false,
'option': false,
'active': undefined,
'contract': false,
'linear': undefined,
'inverse': undefined,
'contractSize': undefined,
'expiry': undefined,
'expiryDatetime': undefined,
'strike': undefined,
'optionType': undefined,
'precision': {
'price': undefined,
'amount': undefined,
},
'limits': {
'leverage': {
'min': undefined,
'max': undefined,
},
'amount': {
'min': undefined,
'max': undefined,
},
'price': {
'min': undefined,
'max': undefined,
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': market,
});
}
return result;
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
/**
* @method
* @name gemini#fetchOrderBook
* @description fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
* @param {str} 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 {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} 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 market = this.market (symbol);
const request = {
'symbol': market['id'],
};
if (limit !== undefined) {
request['limit_bids'] = limit;
request['limit_asks'] = limit;
}
const response = await this.publicGetV1BookSymbol (this.extend (request, params));
return this.parseOrderBook (response, market['symbol'], undefined, 'bids', 'asks', 'price', 'amount');
}
async fetchTickerV1 (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
const response = await this.publicGetV1PubtickerSymbol (this.extend (request, params));
//
// {
// "bid":"9117.95",
// "ask":"9117.96",
// "volume":{
// "BTC":"1615.46861748",
// "USD":"14727307.57545006088",
// "timestamp":1594982700000
// },
// "last":"9115.23"
// }
//
return this.parseTicker (response, market);
}
async fetchTickerV2 (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
const response = await this.publicGetV2TickerSymbol (this.extend (request, params));
//
// {
// "symbol":"BTCUSD",
// "open":"9080.58",
// "high":"9184.53",
// "low":"9063.56",
// "close":"9116.08",
// // Hourly prices descending for past 24 hours
// "changes":["9117.33","9105.69","9106.23","9120.35","9098.57","9114.53","9113.55","9128.01","9113.63","9133.49","9133.49","9137.75","9126.73","9103.91","9119.33","9123.04","9124.44","9117.57","9114.22","9102.33","9076.67","9074.72","9074.97","9092.05"],
// "bid":"9115.86",
// "ask":"9115.87"
// }
//
return this.parseTicker (response, market);
}
async fetchTickerV1AndV2 (symbol, params = {}) {
const tickerA = await this.fetchTickerV1 (symbol, params);
const tickerB = await this.fetchTickerV2 (symbol, params);
return this.deepExtend (tickerA, {
'open': tickerB['open'],
'high': tickerB['high'],
'low': tickerB['low'],
'change': tickerB['change'],
'percentage': tickerB['percentage'],
'average': tickerB['average'],
'info': tickerB['info'],
});
}
async fetchTicker (symbol, params = {}) {
/**
* @method
* @name gemini#fetchTicker
* @description fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
* @param {str} symbol unified symbol of the market to fetch the ticker for
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} a [ticker structure]{@link https://docs.ccxt.com/en/latest/manual.html#ticker-structure}
*/
const method = this.safeValue (this.options, 'fetchTickerMethod', 'fetchTickerV1');
return await this[method] (symbol, params);
}
parseTicker (ticker, market = undefined) {
//
// fetchTickers
//
// {
// "pair": "BATUSD",
// "price": "0.20687",
// "percentChange24h": "0.0146"
// }
//
// fetchTickerV1
//
// {
// "bid":"9117.95",
// "ask":"9117.96",
// "volume":{
// "BTC":"1615.46861748",
// "USD":"14727307.57545006088",
// "timestamp":1594982700000
// },
// "last":"9115.23"
// }
//
// fetchTickerV2
//
// {
// "symbol":"BTCUSD",
// "open":"9080.58",
// "high":"9184.53",
// "low":"9063.56",
// "close":"9116.08",
// // Hourly prices descending for past 24 hours
// "changes":["9117.33","9105.69","9106.23","9120.35","9098.57","9114.53","9113.55","9128.01","9113.63","9133.49","9133.49","9137.75","9126.73","9103.91","9119.33","9123.04","9124.44","9117.57","9114.22","9102.33","9076.67","9074.72","9074.97","9092.05"],
// "bid":"9115.86",
// "ask":"9115.87"
// }
//
const volume = this.safeValue (ticker, 'volume', {});
const timestamp = this.safeInteger (volume, 'timestamp');
let symbol = undefined;
const marketId = this.safeStringLower (ticker, 'pair');
market = this.safeMarket (marketId, market);
let baseId = undefined;
let quoteId = undefined;
let base = undefined;
let quote = undefined;
if ((marketId !== undefined) && (market === undefined)) {
const idLength = marketId.length - 0;
if (idLength === 7) {
baseId = marketId.slice (0, 4);
quoteId = marketId.slice (4, 7);
} else {
baseId = marketId.slice (0, 3);
quoteId = marketId.slice (3, 6);
}
base = this.safeCurrencyCode (baseId);
quote = this.safeCurrencyCode (quoteId);
symbol = base + '/' + quote;
}
if ((symbol === undefined) && (market !== undefined)) {
symbol = market['symbol'];
baseId = this.safeStringUpper (market, 'baseId');
quoteId = this.safeStringUpper (market, 'quoteId');
}
const price = this.safeString (ticker, 'price');
const last = this.safeString2 (ticker, 'last', 'close', price);
const percentage = this.safeString (ticker, 'percentChange24h');
const open = this.safeString (ticker, 'open');
const baseVolume = this.safeString (volume, baseId);
const quoteVolume = this.safeString (volume, quoteId);
return this.safeTicker ({
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeString (ticker, 'high'),
'low': this.safeString (ticker, 'low'),
'bid': this.safeString (ticker, 'bid'),
'bidVolume': undefined,
'ask': this.safeString (ticker, 'ask'),
'askVolume': undefined,
'vwap': undefined,
'open': open,
'close': last,
'last': last,
'previousClose': undefined, // previous day close
'change': undefined,
'percentage': percentage,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
}, market);
}
async fetchTickers (symbols = undefined, params = {}) {
/**
* @method
* @name gemini#fetchTickers
* @description fetches price tickers for multiple markets, statistical calculations with the information calculated over the past 24 hours each market
* @param {[str]|undefined} symbols unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} an array of [ticker structures]{@link https://docs.ccxt.com/en/latest/manual.html#ticker-structure}
*/
await this.loadMarkets ();
const response = await this.publicGetV1Pricefeed (params);
//
// [
// {
// "pair": "BATUSD",
// "price": "0.20687",
// "percentChange24h": "0.0146"
// },
// {
// "pair": "LINKETH",
// "price": "0.018",
// "percentChange24h": "0.0000"
// },
// ]
//
return this.parseTickers (response, symbols);
}
parseTrade (trade, market = undefined) {
//
// public fetchTrades
//
// {
// "timestamp":1601617445,
// "timestampms":1601617445144,
// "tid":14122489752,
// "price":"0.46476",
// "amount":"28.407209",
// "exchange":"gemini",
// "type":"buy"
// }
//
// private fetchTrades
//
// {
// "price":"3900.00",
// "amount":"0.00996",
// "timestamp":1638891173,
// "timestampms":1638891173518,
// "type":"Sell",
// "aggressor":false,
// "fee_currency":"EUR",
// "fee_amount":"0.00",
// "tid":73621746145,
// "order_id":"73621746059",
// "exchange":"gemini",
// "is_auction_fill":false,
// "is_clearing_fill":false,
// "symbol":"ETHEUR",
// "client_order_id":"1638891171610"
// }
//
const timestamp = this.safeInteger (trade, 'timestampms');
const id = this.safeString (trade, 'tid');
const orderId = this.safeString (trade, 'order_id');
const feeCurrencyId = this.safeString (trade, 'fee_currency');
const feeCurrencyCode = this.safeCurrencyCode (feeCurrencyId);
const fee = {
'cost': this.safeString (trade, 'fee_amount'),
'currency': feeCurrencyCode,
};
const priceString = this.safeString (trade, 'price');
const amountString = this.safeString (trade, 'amount');
const side = this.safeStringLower (trade, 'type');
const symbol = this.safeSymbol (undefined, market);
return this.safeTrade ({
'id': id,
'order': orderId,
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'type': undefined,
'side': side,
'takerOrMaker': undefined,
'price': priceString,
'cost': undefined,
'amount': amountString,
'fee': fee,
}, market);
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name gemini#fetchTrades
* @description get the list of most recent trades for a particular symbol
* @param {str} symbol unified symbol of the market to fetch trades for
* @param {int|undefined} since timestamp in ms of the earliest trade to fetch
* @param {int|undefined} limit the maximum amount of trades to fetch
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {[dict]} a list of [trade structures]{@link https://docs.ccxt.com/en/latest/manual.html?#public-trades}
*/
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
const response = await this.publicGetV1TradesSymbol (this.extend (request, params));
//
// [
// {
// "timestamp":1601617445,
// "timestampms":1601617445144,
// "tid":14122489752,
// "price":"0.46476",
// "amount":"28.407209",
// "exchange":"gemini",
// "type":"buy"
// },
// ]
//
return this.parseTrades (response, market, since, limit);
}
parseBalance (response) {
const result = { 'info': response };
for (let i = 0; i < response.length; i++) {
const balance = response[i];
const currencyId = this.safeString (balance, 'currency');
const code = this.safeCurrencyCode (currencyId);
const account = this.account ();
account['free'] = this.safeString (balance, 'available');
account['total'] = this.safeString (balance, 'amount');
result[code] = account;
}
return this.safeBalance (result);
}
async fetchTradingFees (params = {}) {
/**
* @method
* @name gemini#fetchTradingFees
* @description fetch the trading fees for multiple markets
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} a dictionary of [fee structures]{@link https://docs.ccxt.com/en/latest/manual.html#fee-structure} indexed by market symbols
*/
await this.loadMarkets ();
const response = await this.privatePostV1Notionalvolume (params);
//
// {
// "web_maker_fee_bps": 25,
// "web_taker_fee_bps": 35,
// "web_auction_fee_bps": 25,
// "api_maker_fee_bps": 10,
// "api_taker_fee_bps": 35,
// "api_auction_fee_bps": 20,
// "fix_maker_fee_bps": 10,
// "fix_taker_fee_bps": 35,
// "fix_auction_fee_bps": 20,
// "block_maker_fee_bps": 0,
// "block_taker_fee_bps": 50,
// "notional_30d_volume": 150.00,
// "last_updated_ms": 1551371446000,
// "date": "2019-02-28",
// "notional_1d_volume": [
// {
// "date": "2019-02-22",
// "notional_volume": 75.00
// },
// {
// "date": "2019-02-14",
// "notional_volume": 75.00
// }
// ]
// }
//
const makerBps = this.safeString (response, 'api_maker_fee_bps');
const takerBps = this.safeString (response, 'api_taker_fee_bps');
const makerString = Precise.stringDiv (makerBps, '10000');
const takerString = Precise.stringDiv (takerBps, '10000');
const maker = this.parseNumber (makerString);
const taker = this.parseNumber (takerString);
const result = {};
for (let i = 0; i < this.symbols.length; i++) {
const symbol = this.symbols[i];
result[symbol] = {
'info': response,
'symbol': symbol,
'maker': maker,
'taker': taker,
'percentage': true,
'tierBased': true,
};
}
return result;
}
async fetchBalance (params = {}) {
/**
* @method
* @name gemini#fetchBalance
* @description query for balance and get the amount of funds available for trading or funds locked in orders
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} a [balance structure]{@link https://docs.ccxt.com/en/latest/manual.html?#balance-structure}
*/
await this.loadMarkets ();
const response = await this.privatePostV1Balances (params);
return this.parseBalance (response);
}
parseOrder (order, market = undefined) {
//
// createOrder (private)
//
// {
// "order_id":"106027397702",
// "id":"106027397702",
// "symbol":"etheur",
// "exchange":"gemini",
// "avg_execution_price":"2877.48",
// "side":"sell",
// "type":"exchange limit",
// "timestamp":"1650398122",
// "timestampms":1650398122308,
// "is_live":false,
// "is_cancelled":false,
// "is_hidden":false,
// "was_forced":false,
// "executed_amount":"0.014434",
// "client_order_id":"1650398121695",
// "options":[],
// "price":"2800.00",
// "original_amount":"0.014434",
// "remaining_amount":"0"
// }
//
// fetchOrder (private)
//
// {
// "order_id":"106028543717",
// "id":"106028543717",
// "symbol":"etheur",
// "exchange":"gemini",
// "avg_execution_price":"0.00",
// "side":"buy",
// "type":"exchange limit",
// "timestamp":"1650398446",
// "timestampms":1650398446375,
// "is_live":true,
// "is_cancelled":false,
// "is_hidden":false,
// "was_forced":false,
// "executed_amount":"0",
// "client_order_id":"1650398445709",
// "options":[],
// "price":"2000.00",
// "original_amount":"0.01",
// "remaining_amount":"0.01"
// }
//
// fetchOpenOrders (private)
//
// {
// "order_id":"106028543717",
// "id":"106028543717",
// "symbol":"etheur",
// "exchange":"gemini",
// "avg_execution_price":"0.00",
// "side":"buy",
// "type":"exchange limit",
// "timestamp":"1650398446",
// "timestampms":1650398446375,
// "is_live":true,
// "is_cancelled":false,
// "is_hidden":false,
// "was_forced":false,
// "executed_amount":"0",
// "client_order_id":"1650398445709",
// "options":[],
// "price":"2000.00",
// "original_amount":"0.01",
// "remaining_amount":"0.01"
// }
//
// cancelOrder (private)
//
// {
// "order_id":"106028543717",
// "id":"106028543717",
// "symbol":"etheur",
// "exchange":"gemini",
// "avg_execution_price":"0.00",
// "side":"buy",
// "type":"exchange limit",
// "timestamp":"1650398446",
// "timestampms":1650398446375,
// "is_live":false,
// "is_cancelled":true,
// "is_hidden":false,
// "was_forced":false,
// "executed_amount":"0",
// "client_order_id":"1650398445709",
// "reason":"Requested",
// "options":[],
// "price":"2000.00",
// "original_amount":"0.01",
// "remaining_amount":"0.01"
// }
//
const timestamp = this.safeInteger (order, 'timestampms');
const amount = this.safeString (order, 'original_amount');
const remaining = this.safeString (order, 'remaining_amount');
const filled = this.safeString (order, 'executed_amount');
let status = 'closed';
if (order['is_live']) {
status = 'open';
}
if (order['is_cancelled']) {
status = 'canceled';
}
const price = this.safeString (order, 'price');
const average = this.safeString (order, 'avg_execution_price');
let type = this.safeString (order, 'type');
if (type === 'exchange limit') {
type = 'limit';
} else if (type === 'market buy' || type === 'market sell') {
type = 'market';
} else {
type = order['type'];
}
const fee = undefined;
const marketId = this.safeString (order, 'symbol');
const symbol = this.safeSymbol (marketId, market);
const id = this.safeString (order, 'order_id');
const side = this.safeStringLower (order, 'side');
const clientOrderId = this.safeString (order, 'client_order_id');
const optionsArray = this.safeValue (order, 'options', []);
const option = this.safeString (optionsArray, 0);
let timeInForce = 'GTC';
let postOnly = false;
if (option !== undefined) {
if (option === 'immediate-or-cancel') {
timeInForce = 'IOC';
} else if (option === 'fill-or-kill') {
timeInForce = 'FOK';
} else if (option === 'maker-or-cancel') {
timeInForce = 'PO';
postOnly = true;
}
}
return this.safeOrder ({
'id': id,
'clientOrderId': clientOrderId,
'info': order,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'status': status,
'symbol': symbol,
'type': type,
'timeInForce': timeInForce, // default set to GTC
'postOnly': postOnly,
'side': side,
'price': price,
'stopPrice': undefined,
'average': average,
'cost': undefined,
'amount': amount,
'filled': filled,
'remaining': remaining,
'fee': fee,
'trades': undefined,
}, market);
}
async fetchOrder (id, symbol = undefined, params = {}) {
/**
* @method
* @name gemini#fetchOrder
* @description fetches information on an order made by the user
* @param {str|undefined} symbol unified symbol of the market the order was made in
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} An [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
const request = {
'order_id': id,
};
const response = await this.privatePostV1OrderStatus (this.extend (request, params));
//
// {
// "order_id":"106028543717",
// "id":"106028543717",
// "symbol":"etheur",
// "exchange":"gemini",
// "avg_execution_price":"0.00",
// "side":"buy",
// "type":"exchange limit",
// "timestamp":"1650398446",
// "timestampms":1650398446375,
// "is_live":true,
// "is_cancelled":false,
// "is_hidden":false,
// "was_forced":false,
// "executed_amount":"0",
// "client_order_id":"1650398445709",
// "options":[],
// "price":"2000.00",
// "original_amount":"0.01",
// "remaining_amount":"0.01"
// }
//
return this.parseOrder (response);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name gemini#fetchOpenOrders
* @description fetch all unfilled currently open orders
* @param {str|undefined} symbol unified market symbol
* @param {int|undefined} since the earliest time in ms to fetch open orders for
* @param {int|undefined} limit the maximum number of open orders structures to retrieve
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {[dict]} a list of [order structures]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
const response = await this.privatePostV1Orders (params);
//
// [
// {
// "order_id":"106028543717",
// "id":"106028543717",
// "symbol":"etheur",
// "exchange":"gemini",
// "avg_execution_price":"0.00",
// "side":"buy",
// "type":"exchange limit",
// "timestamp":"1650398446",
// "timestampms":1650398446375,
// "is_live":true,
// "is_cancelled":false,
// "is_hidden":false,
// "was_forced":false,
// "executed_amount":"0",
// "client_order_id":"1650398445709",
// "options":[],
// "price":"2000.00",
// "original_amount":"0.01",
// "remaining_amount":"0.01"
// }
// ]
//
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol); // throws on non-existent symbol
}
return this.parseOrders (response, market, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
/**
* @method
* @name gemini#createOrder
* @description create a trade order
* @param {str} symbol unified symbol of the market to create an order in
* @param {str} type 'market' or 'limit'
* @param {str} side 'buy' or 'sell'
* @param {float} amount how much of currency you want to trade in units of base currency
* @param {float|undefined} price the price at which the order is to be fullfilled, in units of the quote currency, ignored in market orders
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} an [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
if (type === 'market') {
throw new ExchangeError (this.id + ' createOrder() allows limit orders only');
}
let clientOrderId = this.safeString2 (params, 'clientOrderId', 'client_order_id');
params = this.omit (params, [ 'clientOrderId', 'client_order_id' ]);
if (clientOrderId === undefined) {
clientOrderId = this.nonce ();
}
const market = this.market (symbol);
const amountString = this.amountToPrecision (symbol, amount);
const priceString = this.priceToPrecision (symbol, price);
const request = {
'client_order_id': clientOrderId.toString (),
'symbol': market['id'],
'amount': amountString,
'price': priceString,
'side': side,
'type': 'exchange limit', // gemini allows limit orders only
// 'options': [], one of: maker-or-cancel, immediate-or-cancel, fill-or-kill, auction-only, indication-of-interest
};
type = this.safeString (params, 'type', type);
params = this.omit (params, 'type');
const rawStopPrice = this.safeString2 (params, 'stop_price', 'stopPrice');
params = this.omit (params, [ 'stop_price', 'stopPrice', 'type' ]);
if (type === 'stopLimit') {
throw new ArgumentsRequired (this.id + ' createOrder() requires a stopPrice parameter or a stop_price parameter for ' + type + ' orders');
}
if (rawStopPrice !== undefined) {
request['stop_price'] = this.priceToPrecision (symbol, rawStopPrice);
request['type'] = 'exchange stop limit';
} else {
// No options can be applied to stop-limit orders at this time.
const timeInForce = this.safeString (params, 'timeInForce');
params = this.omit (params, 'timeInForce');
if (timeInForce !== undefined) {
if ((timeInForce === 'IOC') || (timeInForce === 'immediate-or-cancel')) {
request['options'] = [ 'immediate-or-cancel' ];
} else if ((timeInForce === 'FOK') || (timeInForce === 'fill-or-kill')) {
request['options'] = [ 'fill-or-kill' ];
} else if (timeInForce === 'PO') {
request['options'] = [ 'maker-or-cancel' ];
}
}
const postOnly = this.safeValue (params, 'postOnly', false);
params = this.omit (params, 'postOnly');
if (postOnly) {
request['options'] = [ 'maker-or-cancel' ];
}
// allowing override for auction-only and indication-of-interest order options
const options = this.safeString (params, 'options');
if (options !== undefined) {
request['options'] = [ options ];
}
}
const response = await this.privatePostV1OrderNew (this.extend (request, params));
//
// {
// "order_id":"106027397702",
// "id":"106027397702",
// "symbol":"etheur",
// "exchange":"gemini",
// "avg_execution_price":"2877.48",
// "side":"sell",
// "type":"exchange limit",
// "timestamp":"1650398122",
// "timestampms":1650398122308,
// "is_live":false,
// "is_cancelled":false,
// "is_hidden":false,
// "was_forced":false,
// "executed_amount":"0.014434",
// "client_order_id":"1650398121695",
// "options":[],
// "price":"2800.00",
// "original_amount":"0.014434",
// "remaining_amount":"0"
// }
//
return this.parseOrder (response);
}
async cancelOrder (id, symbol = undefined, params = {}) {
/**
* @method
* @name gemini#cancelOrder
* @description cancels an open order
* @param {str} id order id
* @param {str|undefined} symbol unified symbol of the market the order was made in
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} An [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
await this.loadMarkets ();
const request = {
'order_id': id,
};
const response = await this.privatePostV1OrderCancel (this.extend (request, params));
//
// {
// "order_id":"106028543717",
// "id":"106028543717",
// "symbol":"etheur",
// "exchange":"gemini",
// "avg_execution_price":"0.00",
// "side":"buy",
// "type":"exchange limit",
// "timestamp":"1650398446",
// "timestampms":1650398446375,
// "is_live":false,
// "is_cancelled":true,
// "is_hidden":false,
// "was_forced":false,
// "executed_amount":"0",
// "client_order_id":"1650398445709",
// "reason":"Requested",
// "options":[],
// "price":"2000.00",
// "original_amount":"0.01",
// "remaining_amount":"0.01"
// }
//
return this.parseOrder (response);
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name gemini#fetchMyTrades
* @description fetch all trades made by the user
* @param {str} symbol unified market symbol
* @param {int|undefined} since the earliest time in ms to fetch trades for
* @param {int|undefined} limit the maximum number of trades structures to retrieve
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {[dict]} a list of [trade structures]{@link https://docs.ccxt.com/en/latest/manual.html#trade-structure}
*/
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' fetchMyTrades() requires a symbol argument');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
if (limit !== undefined) {
request['limit_trades'] = limit;
}
if (since !== undefined) {
request['timestamp'] = parseInt (since / 1000);
}
const response = await this.privatePostV1Mytrades (this.extend (request, params));
return this.parseTrades (response, market, since, limit);
}
async withdraw (code, amount, address, tag = undefined, params = {}) {
/**
* @method
* @name gemini#withdraw
* @description make a withdrawal
* @param {str} code unified currency code
* @param {float} amount the amount to withdraw
* @param {str} address the address to withdraw to
* @param {str|undefined} tag
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} a [transaction structure]{@link https://docs.ccxt.com/en/latest/manual.html#transaction-structure}
*/
[ tag, params ] = this.handleWithdrawTagAndParams (tag, params);
this.checkAddress (address);
await this.loadMarkets ();
const currency = this.currency (code);
const request = {
'currency': currency['id'],
'amount': amount,
'address': address,
};
const response = await this.privatePostV1WithdrawCurrency (this.extend (request, params));
//
// for BTC
// {
// "address":"mi98Z9brJ3TgaKsmvXatuRahbFRUFKRUdR",
// "amount":"1",
// "withdrawalId":"02176a83-a6b1-4202-9b85-1c1c92dd25c4",
// "message":"You have requested a transfer of 1 BTC to mi98Z9brJ3TgaKsmvXatuRahbFRUFKRUdR. This withdrawal will be sent to the blockchain within the next 60 seconds."
// }
//
// for ETH
// {
// "address":"0xA63123350Acc8F5ee1b1fBd1A6717135e82dBd28",
// "amount":"2.34567",
// "txHash":"0x28267179f92926d85c5516bqc063b2631935573d8915258e95d9572eedcc8cc"
// }
//
// for error (other variations of error messages are also expected)
// {
// "result":"error",
// "reason":"CryptoAddressWhitelistsNotEnabled",
// "message":"Cryptocurrency withdrawal address whitelists are not enabled for account 24. Please contact support@gemini.com for information on setting up a withdrawal address whitelist."
// }
//
const result = this.safeString (response, 'result');
if (result === 'error') {
throw new ExchangeError (this.id + ' withdraw() failed: ' + this.json (response));
}
return this.parseTransaction (response, currency);
}
nonce () {
return this.milliseconds ();
}
async fetchTransactions (code = undefined, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name gemini#fetchTransactions
* @description fetch history of deposits and withdrawals
* @param {str|undefined} code not used by gemini.fetchTransactions
* @param {int|undefined} since timestamp in ms of the earliest transaction, default is undefined
* @param {int|undefined} limit max number of transactions to return, default is undefined
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} a list of [transaction structure]{@link https://docs.ccxt.com/en/latest/manual.html#transaction-structure}
*/
await this.loadMarkets ();
const request = {};
if (limit !== undefined) {
request['limit_transfers'] = limit;
}
if (since !== undefined) {
request['timestamp'] = since;
}
const response = await this.privatePostV1Transfers (this.extend (request, params));
return this.parseTransactions (response);
}
parseTransaction (transaction, currency = undefined) {
//
// withdraw
//
// for BTC
// {
// "address":"mi98Z9brJ3TgaKsmvXatuRahbFRUFKRUdR",
// "amount":"1",
// "withdrawalId":"02176a83-a6b1-4202-9b85-1c1c92dd25c4",
// "message":"You have requested a transfer of 1 BTC to mi98Z9brJ3TgaKsmvXatuRahbFRUFKRUdR. This withdrawal will be sent to the blockchain within the next 60 seconds."
// }
//
// for ETH
// {
// "address":"0xA63123350Acc8F5ee1b1fBd1A6717135e82dBd28",
// "amount":"2.34567",
// "txHash":"0x28267179f92926d85c5516bqc063b2631935573d8915258e95d9572eedcc8cc"
// }
//
const timestamp = this.safeInteger (transaction, 'timestampms');
const currencyId = this.safeString (transaction, 'currency');
const code = this.safeCurrencyCode (currencyId, currency);
const address = this.safeString (transaction, 'destination');
const type = this.safeStringLower (transaction, 'type');
// if status field is available, then it's complete
const statusRaw = this.safeString (transaction, 'status');
let fee = undefined;
const feeAmount = this.safeNumber (transaction, 'feeAmount');
if (feeAmount !== undefined) {
fee = {
'cost': feeAmount,
'currency': code,
};
}
return {
'info': transaction,
'id': this.safeString2 (transaction, 'eid', 'withdrawalId'),
'txid': this.safeString (transaction, 'txHash'),
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'network': undefined,
'address': address,
'addressTo': undefined,
'addressFrom': undefined,
'tag': undefined, // or is it defined?
'tagTo': undefined,
'tagFrom': undefined,
'type': type, // direction of the transaction, ('deposit' | 'withdraw')
'amount': this.safeNumber (transaction, 'amount'),
'currency': code,
'status': this.parseTransactionStatus (statusRaw),
'updated': undefined,
'fee': fee,
};
}
parseTransactionStatus (status) {
const statuses = {
'Advanced': 'ok',
'Complete': 'ok',
};
return this.safeString (statuses, status, status);
}
parseDepositAddress (depositAddress, currency = undefined) {
//
// {
// address: "0xed6494Fe7c1E56d1bd6136e89268C51E32d9708B",
// timestamp: "1636813923098",
// addressVersion: "eV1" }
// }
//
const address = this.safeString (depositAddress, 'address');
const code = this.safeCurrencyCode (undefined, currency);
return {
'currency': code,
'network': undefined,
'address': address,
'tag': undefined,
'info': depositAddress,
};
}
async fetchDepositAddressesByNetwork (code, params = {}) {
await this.loadMarkets ();
const network = this.safeString (params, 'network');
if (network === undefined) {
throw new ArgumentsRequired (this.id + ' fetchDepositAddressesByNetwork() requires a network parameter');
}
params = this.omit (params, 'network');
const networks = this.safeValue (this.options, 'networks', {});
const networkId = this.safeString (networks, network, network);
const networkIds = this.safeValue (this.options, 'networkIds', {});
const networkCode = this.safeString (networkIds, networkId, network);
const request = {
'network': networkId,
};
const response = await this.privatePostV1AddressesNetwork (this.extend (request, params));
const results = this.parseDepositAddresses (response, [ code ], false, { 'network': networkCode, 'currency': code });
return this.groupBy (results, 'network');
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = '/' + this.implodeParams (path, params);
const query = this.omit (params, this.extractParams (path));
if (api === 'private') {
this.checkRequiredCredentials ();
const apiKey = this.apiKey;
if (apiKey.indexOf ('account') < 0) {
throw new AuthenticationError (this.id + ' sign() requires an account-key, master-keys are not-supported');
}
const nonce = this.nonce ();
const request = this.extend ({
'request': url,
'nonce': nonce,
}, query);
let payload = this.json (request);
payload = this.stringToBase64 (payload);
const signature = this.hmac (payload, this.encode (this.secret), 'sha384');
headers = {
'Content-Type': 'text/plain',
'X-GEMINI-APIKEY': this.apiKey,
'X-GEMINI-PAYLOAD': this.decode (payload),
'X-GEMINI-SIGNATURE': signature,
};
} else {
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
}
url = this.urls['api'][api] + url;
if ((method === 'POST') || (method === 'DELETE')) {
body = this.json (query);
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
handleErrors (httpCode, reason, url, method, headers, body, response, requestHeaders, requestBody) {
if (response === undefined) {
if (typeof body === 'string') {
const feedback = this.id + ' ' + body;
this.throwBroadlyMatchedException (this.exceptions['broad'], body, feedback);
}
return; // fallback to default error handler
}
//
// {
// "result": "error",
// "reason": "BadNonce",
// "message": "Out-of-sequence nonce <1234> precedes previously used nonce <2345>"
// }
//
const result = this.safeString (response, 'result');
if (result === 'error') {
const reason = this.safeString (response, 'reason');
const message = this.safeString (response, 'message');
const feedback = this.id + ' ' + message;
this.throwExactlyMatchedException (this.exceptions['exact'], reason, feedback);
this.throwExactlyMatchedException (this.exceptions['exact'], message, feedback);
this.throwBroadlyMatchedException (this.exceptions['broad'], message, feedback);
throw new ExchangeError (feedback); // unknown message
}
}
async createDepositAddress (code, params = {}) {
/**
* @method
* @name gemini#createDepositAddress
* @description create a currency deposit address
* @param {str} code unified currency code of the currency for the deposit address
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {dict} an [address structure]{@link https://docs.ccxt.com/en/latest/manual.html#address-structure}
*/
await this.loadMarkets ();
const currency = this.currency (code);
const request = {
'currency': currency['id'],
};
const response = await this.privatePostV1DepositCurrencyNewAddress (this.extend (request, params));
const address = this.safeString (response, 'address');
this.checkAddress (address);
return {
'currency': code,
'address': address,
'tag': undefined,
'info': response,
};
}
async fetchOHLCV (symbol, timeframe = '5m', since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name gemini#fetchOHLCV
* @description fetches historical candlestick data containing the open, high, low, and close price, and the volume of a market
* @param {str} symbol unified symbol of the market to fetch OHLCV data for
* @param {str} timeframe the length of time each candle represents
* @param {int|undefined} since timestamp in ms of the earliest candle to fetch
* @param {int|undefined} limit the maximum amount of candles to fetch
* @param {dict} params extra parameters specific to the gemini api endpoint
* @returns {[[int]]} A list of candles ordered as timestamp, open, high, low, close, volume
*/
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'timeframe': this.timeframes[timeframe],
'symbol': market['id'],
};
const response = await this.publicGetV2CandlesSymbolTimeframe (this.extend (request, params));
//
// [
// [1591515000000,0.02509,0.02509,0.02509,0.02509,0],
// [1591514700000,0.02503,0.02509,0.02503,0.02509,44.6405],
// [1591514400000,0.02503,0.02503,0.02503,0.02503,0],
// ]
//
return this.parseOHLCVs (response, market, timeframe, since, limit);
}
};