ccxt
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// ----------------------------------------------------------------------------
// PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
// https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code
// EDIT THE CORRESPONDENT .ts FILE INSTEAD
// ---------------------------------------------------------------------------
import Exchange from './abstract/gemini.js';
import { ExchangeError, ArgumentsRequired, BadRequest, OrderNotFound, InvalidOrder, InvalidNonce, InsufficientFunds, AuthenticationError, PermissionDenied, NotSupported, OnMaintenance, RateLimitExceeded, ExchangeNotAvailable } from './base/errors.js';
import { Precise } from './base/Precise.js';
import { TICK_SIZE } from './base/functions/number.js';
import { sha384 } from './static_dependencies/noble-hashes/sha512.js';
// ---------------------------------------------------------------------------
/**
* @class gemini
* @augments Exchange
*/
export default 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': true,
'future': false,
'option': false,
'addMargin': false,
'cancelOrder': true,
'closeAllPositions': false,
'closePosition': false,
'createDepositAddress': true,
'createMarketOrder': false,
'createOrder': true,
'createReduceOnlyOrder': false,
'fetchBalance': true,
'fetchBidsAsks': false,
'fetchBorrowRateHistories': false,
'fetchBorrowRateHistory': false,
'fetchClosedOrders': false,
'fetchCrossBorrowRate': false,
'fetchCrossBorrowRates': false,
'fetchCurrencies': true,
'fetchDepositAddress': true,
'fetchDepositAddresses': false,
'fetchDepositAddressesByNetwork': true,
'fetchDepositsWithdrawals': true,
'fetchFundingHistory': false,
'fetchFundingRate': false,
'fetchFundingRateHistory': false,
'fetchFundingRates': false,
'fetchIndexOHLCV': false,
'fetchIsolatedBorrowRate': false,
'fetchIsolatedBorrowRates': false,
'fetchLeverage': false,
'fetchLeverageTiers': false,
'fetchMarginMode': false,
'fetchMarkets': true,
'fetchMarkOHLCV': false,
'fetchMyTrades': true,
'fetchOHLCV': true,
'fetchOpenInterestHistory': false,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderBook': true,
'fetchOrders': false,
'fetchPosition': false,
'fetchPositionMode': false,
'fetchPositions': false,
'fetchPositionsRisk': false,
'fetchPremiumIndexOHLCV': false,
'fetchTicker': true,
'fetchTickers': true,
'fetchTrades': true,
'fetchTradingFee': false,
'fetchTradingFees': true,
'fetchTransactions': 'emulated',
'postOnly': true,
'reduceMargin': false,
'sandbox': true,
'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',
'webExchange': 'https://exchange.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',
'webExchange': 'https://exchange.gemini.com',
},
'fees': [
'https://gemini.com/api-fee-schedule',
'https://gemini.com/trading-fees',
'https://gemini.com/transfer-fees',
],
},
'api': {
'webExchange': {
'get': [
'',
],
},
'web': {
'get': [
'rest-api',
],
},
'public': {
'get': {
'v1/symbols': 5,
'v1/symbols/details/{symbol}': 5,
'v1/staking/rates': 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/staking/unstake': 1,
'v1/staking/stake': 1,
'v1/staking/rewards': 1,
'v1/staking/history': 1,
'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/balances/staking': 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/earn/history': 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,
'v1/roles': 1,
},
},
},
'precisionMode': TICK_SIZE,
'fees': {
'trading': {
'taker': 0.004,
'maker': 0.002,
},
},
'httpExceptions': {
'400': BadRequest,
'403': PermissionDenied,
'404': OrderNotFound,
'406': InsufficientFunds,
'429': RateLimitExceeded,
'500': ExchangeError,
'502': ExchangeNotAvailable,
'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,
'ClientOrderIdTooLong': BadRequest,
'ClientOrderIdMustBeString': BadRequest,
'ConflictingOptions': BadRequest,
'EndpointMismatch': BadRequest,
'EndpointNotFound': BadRequest,
'IneligibleTiming': BadRequest,
'InsufficientFunds': InsufficientFunds,
'InvalidJson': BadRequest,
'InvalidNonce': InvalidNonce,
'InvalidApiKey': AuthenticationError,
'InvalidOrderType': InvalidOrder,
'InvalidPrice': InvalidOrder,
'InvalidQuantity': InvalidOrder,
'InvalidSide': InvalidOrder,
'InvalidSignature': AuthenticationError,
'InvalidSymbol': BadRequest,
'InvalidTimestampInPayload': BadRequest,
'Maintenance': OnMaintenance,
'MarketNotOpen': InvalidOrder,
'MissingApikeyHeader': AuthenticationError,
'MissingOrderField': InvalidOrder,
'MissingRole': AuthenticationError,
'MissingPayloadHeader': AuthenticationError,
'MissingSignatureHeader': AuthenticationError,
'NoSSL': AuthenticationError,
'OptionsMustBeArray': BadRequest,
'OrderNotFound': OrderNotFound,
'RateLimit': RateLimitExceeded,
'System': ExchangeError,
'UnsupportedOption': BadRequest, // This order execution option is not supported.
},
'broad': {
'The Gemini Exchange is currently undergoing maintenance.': OnMaintenance,
'We are investigating technical issues with the Gemini Exchange.': ExchangeNotAvailable,
'Internal Server Error': ExchangeNotAvailable,
},
},
'options': {
'fetchMarketsMethod': 'fetch_markets_from_api',
'fetchMarketFromWebRetries': 10,
'fetchMarketsFromAPI': {
'fetchDetailsForAllSymbols': false,
'quoteCurrencies': ['USDT', 'GUSD', 'USD', 'DAI', 'EUR', 'GBP', 'SGD', 'BTC', 'ETH', 'LTC', 'BCH', 'SOL'],
},
'fetchMarkets': {
'webApiEnable': true,
'webApiRetries': 10,
},
'fetchUsdtMarkets': ['btcusdt', 'ethusdt'],
'fetchCurrencies': {
'webApiEnable': true,
'webApiRetries': 5,
'webApiMuteFailure': true,
},
'fetchTickerMethod': 'fetchTickerV1',
'networks': {
'BTC': 'bitcoin',
'ERC20': 'ethereum',
'BCH': 'bitcoincash',
'LTC': 'litecoin',
'ZEC': 'zcash',
'FIL': 'filecoin',
'DOGE': 'dogecoin',
'XTZ': 'tezos',
'AVAXX': 'avalanche',
'SOL': 'solana',
'ATOM': 'cosmos',
'DOT': 'polkadot',
},
'nonce': 'milliseconds',
'conflictingMarkets': {
'paxgusd': {
'base': 'PAXG',
'quote': 'USD',
},
},
},
'features': {
'default': {
'sandbox': true,
'createOrder': {
'marginMode': false,
'triggerPrice': true,
'triggerPriceType': undefined,
'triggerDirection': false,
'stopLossPrice': false,
'takeProfitPrice': false,
'attachedStopLossTakeProfit': undefined,
'timeInForce': {
'IOC': true,
'FOK': true,
'PO': true,
'GTD': false,
},
'hedged': false,
'trailing': false,
'leverage': false,
'marketBuyByCost': true,
'marketBuyRequiresPrice': false,
'selfTradePrevention': false,
'iceberg': false,
},
'createOrders': undefined,
'fetchMyTrades': {
'marginMode': false,
'limit': 500,
'daysBack': undefined,
'untilDays': undefined,
'symbolRequired': true,
},
'fetchOrder': {
'marginMode': false,
'trigger': false,
'trailing': false,
'symbolRequired': false,
},
'fetchOpenOrders': {
'marginMode': false,
'limit': undefined,
'trigger': false,
'trailing': false,
'symbolRequired': false,
},
'fetchOrders': undefined,
'fetchClosedOrders': undefined,
'fetchOHLCV': {
'limit': undefined,
},
},
'spot': {
'extends': 'default',
},
'swap': {
'linear': {
'extends': 'default',
},
'inverse': undefined,
},
'future': {
'linear': undefined,
'inverse': undefined,
},
},
});
}
/**
* @method
* @name gemini#fetchCurrencies
* @description fetches all available currencies on an exchange
* @param {object} [params] extra parameters specific to the endpoint
* @returns {object} an associative dictionary of currencies
*/
async fetchCurrencies(params = {}) {
return await this.fetchCurrenciesFromWeb(params);
}
/**
* @method
* @name gemini#fetchCurrenciesFromWeb
* @ignore
* @description fetches all available currencies on an exchange
* @param {object} [params] extra parameters specific to the endpoint
* @returns {object} an associative dictionary of currencies
*/
async fetchCurrenciesFromWeb(params = {}) {
const data = await this.fetchWebEndpoint('fetchCurrencies', 'webExchangeGet', true, '="currencyData">', '</script>');
if (data === undefined) {
return undefined;
}
//
// {
// "tradingPairs": [ [ 'BTCUSD', 2, 8, '0.00001', 10, true ], ... ],
// "currencies": [
// [ "ORCA", "Orca", 204, 6, 0, 6, 8, false, null, "solana" ], // as confirmed, precisions seem to be the 5th index
// [ "ATOM", "Cosmos", 44, 6, 0, 6, 8, false, null, "cosmos" ],
// [ "ETH", "Ether", 2, 6, 0, 18, 8, false, null, "ethereum" ],
// [ "GBP", "Pound Sterling", 22, 2, 2, 2, 2, true, "£", null ],
// ...
// ],
// "networks": [
// [ "solana", "SOL", "Solana" ],
// [ "zcash", "ZEC", "Zcash" ],
// [ "tezos", "XTZ", "Tezos" ],
// [ "cosmos", "ATOM", "Cosmos" ],
// [ "ethereum", "ETH", "Ethereum" ],
// ...
// ]
// }
//
const result = {};
this.options['tradingPairs'] = this.safeList(data, 'tradingPairs');
const currenciesArray = this.safeValue(data, 'currencies', []);
for (let i = 0; i < currenciesArray.length; i++) {
const currency = currenciesArray[i];
const id = this.safeString(currency, 0);
const code = this.safeCurrencyCode(id);
const type = this.safeString(currency, 7) ? 'fiat' : 'crypto';
const precision = this.parseNumber(this.parsePrecision(this.safeString(currency, 5)));
const networks = {};
const networkId = this.safeString(currency, 9);
let networkCode = undefined;
if (networkId !== undefined) {
networkCode = this.networkIdToCode(networkId);
networks[networkCode] = {
'info': currency,
'id': networkId,
'network': networkCode,
'active': undefined,
'deposit': undefined,
'withdraw': undefined,
'fee': undefined,
'precision': precision,
'limits': {
'deposit': {
'min': undefined,
'max': undefined,
},
'withdraw': {
'min': undefined,
'max': undefined,
},
},
};
}
result[code] = this.safeCurrencyStructure({
'info': currency,
'id': id,
'code': code,
'name': this.safeString(currency, 1),
'active': undefined,
'deposit': undefined,
'withdraw': undefined,
'fee': undefined,
'type': type,
'precision': precision,
'limits': {
'deposit': {
'min': undefined,
'max': undefined,
},
'withdraw': {
'min': undefined,
'max': undefined,
},
},
'networks': networks,
});
}
return result;
}
/**
* @method
* @name gemini#fetchMarkets
* @description retrieves data on all markets for gemini
* @see https://docs.gemini.com/rest-api/#symbols
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object[]} an array of objects representing market data
*/
async fetchMarkets(params = {}) {
const method = this.safeValue(this.options, 'fetchMarketsMethod', 'fetch_markets_from_api');
if (method === 'fetch_markets_from_web') {
const promises = [];
promises.push(this.fetchMarketsFromWeb(params)); // get usd markets
promises.push(this.fetchUSDTMarkets(params)); // get usdt markets
const promisesResult = await Promise.all(promises);
return this.arrayConcat(promisesResult[0], promisesResult[1]);
}
return await this.fetchMarketsFromAPI(params);
}
async fetchMarketsFromWeb(params = {}) {
const data = await this.fetchWebEndpoint('fetchMarkets', 'webGetRestApi', false, '<h1 id="symbols-and-minimums">Symbols and minimums</h1>');
const error = this.id + ' fetchMarketsFromWeb() the API doc HTML markup has changed, breaking the parser of order limits and precision info for markets.';
const tables = data.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>'
// ]
let marketId = cells[0].replace('<td>', '');
marketId = marketId.replace('*', '');
// 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,
},
},
'created': undefined,
'info': row,
});
}
return result;
}
parseMarketActive(status) {
const statuses = {
'open': true,
'closed': false,
'cancel_only': true,
'post_only': true,
'limit_only': true,
};
if (status === undefined) {
return true; // as defaulted below
}
return this.safeBool(statuses, status, true);
}
async fetchUSDTMarkets(params = {}) {
// these markets can't be scrapped and fetchMarketsFrom api does an extra call
// to load market ids which we don't need here
if ('test' in this.urls) {
return []; // sandbox does not have usdt markets
}
const fetchUsdtMarkets = this.safeValue(this.options, 'fetchUsdtMarkets', []);
const result = [];
for (let i = 0; i < fetchUsdtMarkets.length; i++) {
const marketId = fetchUsdtMarkets[i];
const request = {
'symbol': marketId,
};
// don't use Promise.all here, for some reason the exchange can't handle it and crashes
const rawResponse = await this.publicGetV1SymbolsDetailsSymbol(this.extend(request, params));
result.push(this.parseMarket(rawResponse));
}
return result;
}
async fetchMarketsFromAPI(params = {}) {
const marketIdsRaw = await this.publicGetV1Symbols(params);
//
// [
// "btcusd",
// "linkusd",
// ...
// ]
//
const result = [];
const options = this.safeDict(this.options, 'fetchMarketsFromAPI', {});
const bugSymbol = 'efilfil'; // we skip this inexistent test symbol, which bugs other functions
const marketIds = [];
for (let i = 0; i < marketIdsRaw.length; i++) {
if (marketIdsRaw[i] !== bugSymbol) {
marketIds.push(marketIdsRaw[i]);
}
}
if (this.safeBool(options, 'fetchDetailsForAllSymbols', false)) {
const promises = [];
for (let i = 0; i < marketIds.length; i++) {
const marketId = marketIds[i];
const request = {
'symbol': marketId,
};
promises.push(this.publicGetV1SymbolsDetailsSymbol(this.extend(request, params)));
//
// {
// "symbol": "BTCUSD",
// "base_currency": "BTC",
// "quote_currency": "USD",
// "tick_size": 1E-8,
// "quote_increment": 0.01,
// "min_order_size": "0.00001",
// "status": "open",
// "wrap_enabled": false
// }
//
}
const responses = await Promise.all(promises);
for (let i = 0; i < responses.length; i++) {
result.push(this.parseMarket(responses[i]));
}
}
else {
// use trading-pairs info, if it was fetched
const tradingPairs = this.safeList(this.options, 'tradingPairs');
if (tradingPairs !== undefined) {
const indexedTradingPairs = this.indexBy(tradingPairs, 0);
for (let i = 0; i < marketIds.length; i++) {
const marketId = marketIds[i];
const tradingPair = this.safeList(indexedTradingPairs, marketId.toUpperCase());
if (tradingPair !== undefined) {
result.push(this.parseMarket(tradingPair));
}
}
}
else {
for (let i = 0; i < marketIds.length; i++) {
result.push(this.parseMarket(marketIds[i]));
}
}
}
return result;
}
parseMarket(response) {
//
// response might be:
//
// btcusd
//
// or
//
// [
// 'BTCUSD', // symbol
// 2, // priceTickDecimalPlaces
// 8, // quantityTickDecimalPlaces
// '0.00001', // quantityMinimum
// 10, // quantityRoundDecimalPlaces
// true // minimumsAreInclusive
// ],
//
// or
//
// {
// "symbol": "BTCUSD", // perpetuals have 'PERP' suffix, i.e. DOGEUSDPERP
// "base_currency": "BTC",
// "quote_currency": "USD",
// "tick_size": 1E-8,
// "quote_increment": 0.01,
// "min_order_size": "0.00001",
// "status": "open",
// "wrap_enabled": false
// "product_type": "swap", // only in perps
// "contract_type": "linear", // only in perps
// "contract_price_currency": "GUSD" // only in perps
// }
//
let marketId = undefined;
let baseId = undefined;
let quoteId = undefined;
let settleId = undefined;
let tickSize = undefined;
let amountPrecision = undefined;
let minSize = undefined;
let status = undefined;
let swap = false;
let contractSize = undefined;
let linear = undefined;
let inverse = undefined;
const isString = (typeof response === 'string');
const isArray = (Array.isArray(response));
if (!isString && !isArray) {
marketId = this.safeStringLower(response, 'symbol');
amountPrecision = this.safeNumber(response, 'tick_size'); // right, exchange has an imperfect naming and this turns out to be an amount-precision
tickSize = this.safeNumber(response, 'quote_increment'); // this is tick-size actually
minSize = this.safeNumber(response, 'min_order_size');
status = this.parseMarketActive(this.safeString(response, 'status'));
baseId = this.safeString(response, 'base_currency');
quoteId = this.safeString(response, 'quote_currency');
settleId = this.safeString(response, 'contract_price_currency');
}
else {
// if no detailed API was called, then parse either string or array
if (isString) {
marketId = response;
}
else {
marketId = this.safeStringLower(response, 0);
tickSize = this.parseNumber(this.parsePrecision(this.safeString(response, 1))); // priceTickDecimalPlaces
amountPrecision = this.parseNumber(this.parsePrecision(this.safeString(response, 2))); // quantityTickDecimalPlaces
minSize = this.safeNumber(response, 3); // quantityMinimum
}
const marketIdUpper = marketId.toUpperCase();
const isPerp = (marketIdUpper.indexOf('PERP') >= 0);
const marketIdWithoutPerp = marketIdUpper.replace('PERP', '');
const conflictingMarkets = this.safeDict(this.options, 'conflictingMarkets', {});
const lowerCaseId = marketIdWithoutPerp.toLowerCase();
if (lowerCaseId in conflictingMarkets) {
const conflictingMarket = conflictingMarkets[lowerCaseId];
baseId = conflictingMarket['base'];
quoteId = conflictingMarket['quote'];
if (isPerp) {
settleId = conflictingMarket['quote'];
}
}
else {
const quoteCurrencies = this.handleOption('fetchMarketsFromAPI', 'quoteCurrencies', []);
for (let i = 0; i < quoteCurrencies.length; i++) {
const quoteCurrency = quoteCurrencies[i];
if (marketIdWithoutPerp.endsWith(quoteCurrency)) {
const quoteLength = this.parseToInt(-1 * quoteCurrency.length);
baseId = marketIdWithoutPerp.slice(0, quoteLength);
quoteId = quoteCurrency;
if (isPerp) {
settleId = quoteCurrency; // always same
}
break;
}
}
}
}
const base = this.safeCurrencyCode(baseId);
const quote = this.safeCurrencyCode(quoteId);
const settle = this.safeCurrencyCode(settleId);
let symbol = base + '/' + quote;
if (settleId !== undefined) {
symbol = symbol + ':' + settle;
swap = true;
contractSize = tickSize; // always same
linear = true; // always linear
inverse = false;
}
const type = swap ? 'swap' : 'spot';
return {
'id': marketId,
'symbol': symbol,
'base': base,
'quote': quote,
'settle': settle,
'baseId': baseId,
'quoteId': quoteId,
'settleId': settleId,
'type': type,
'spot': !swap,
'margin': false,
'swap': swap,
'future': false,
'option': false,
'active': status,
'contract': swap,
'linear': linear,
'inverse': inverse,
'contractSize': contractSize,
'expiry': undefined,
'expiryDatetime': undefined,
'strike': undefined,
'optionType': undefined,
'precision': {
'price': tickSize,
'amount': amountPrecision,
},
'limits': {
'leverage': {
'min': undefined,
'max': undefined,
},
'amount': {
'min': minSize,
'max': undefined,
},
'price': {
'min': undefined,
'max': undefined,
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'created': undefined,
'info': response,
};
}
/**
* @method
* @name gemini#fetchOrderBook
* @description fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
* @see https://docs.gemini.com/rest-api/#current-order-book
* @param {string} symbol unified symbol of the market to fetch the order book for
* @param {int} [limit] the maximum amount of order book entries to return
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/#/?id=order-book-structure} indexed by market symbols
*/
async fetchOrderBook(symbol, limit = undefined, params = {}) {
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 tickerPromiseA = this.fetchTickerV1(symbol, params);
const tickerPromiseB = this.fetchTickerV2(symbol, params);
const [tickerA, tickerB] = await Promise.all([tickerPromiseA, tickerPromiseB]);
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'],
});
}
/**
* @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
* @see https://docs.gemini.com/rest-api/#ticker
* @see https://docs.gemini.com/rest-api/#ticker-v2
* @param {string} symbol unified symbol of the market to fetch the ticker for
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @param {object} [params.fetchTickerMethod] 'fetchTickerV2', 'fetchTickerV1' or 'fetchTickerV1AndV2' - 'fetchTickerV1' for original ccxt.gemini.fetchTicker - 'fetchTickerV1AndV2' for 2 api calls to get the result of both fetchTicker methods - default = 'fetchTickerV1'
* @returns {object} a [ticker structure]{@link https://docs.ccxt.com/#/?id=ticker-structure}
*/
async fetchTicker(symbol, params = {}) {
const method = this.safeValue(this.options, 'fetchTickerMethod', 'fetchTickerV1');
if (method === 'fetchTickerV1') {
return await this.fetchTickerV1(symbol, params);
}
if (method === 'fetchTickerV2') {
return await this.fetchTickerV2(symbol, params);
}
return await this.fetchTickerV1AndV2(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,
'change': undefined,
'percentage': percentage,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
}, market);
}
/**
* @method
* @name gemini#fetchTickers
* @description fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
* @see https://docs.gemini.com/rest-api/#price-feed
* @param {string[]|undefined} symbols unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object} a dictionary of [ticker structures]{@link https://docs.ccxt.com/#/?id=ticker-structure}
*/
async fetchTickers(symbols = undefined, params = {}) {
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);
}
/**
* @method
* @name gemini#fetchTrades
* @description get the list of most recent trades for a particular symbol
* @see https://docs.gemini.com/rest-api/#trade-history
* @param {string} symbol unified symbol of the market to fetch trades for
* @param {int} [since] timestamp in ms of the earliest trade to fetch
* @param {int} [limit] the maximum amount of trades to fetch
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {Trade[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=public-trades}
*/
async fetchTrades(symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets();
const market = this.market(symbol);
const request = {
'symbol': market['id'],
};
if (limit !== undefined) {
request['limit_trades'] = Math.min(limit, 500);
}
if (since !== undefined) {
request['timestamp'] = since;
}
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);
}
/**
* @method
* @name gemini#fetchTradingFees
* @description fetch the trading