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gemini.php
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<?php
namespace ccxt;
// 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
class gemini extends Exchange {
public function describe () {
return array_replace_recursive (parent::describe (), array (
'id' => 'gemini',
'name' => 'Gemini',
'countries' => 'US',
'rateLimit' => 1500, // 200 for private API
'version' => 'v1',
'has' => array (
'fetchDepositAddress' => false,
'CORS' => false,
'fetchBidsAsks' => false,
'fetchTickers' => false,
'fetchOHLCV' => false,
'fetchMyTrades' => true,
'fetchOrder' => false,
'fetchOrders' => false,
'fetchOpenOrders' => false,
'fetchClosedOrders' => false,
'withdraw' => true,
),
'urls' => array (
'logo' => 'https://user-images.githubusercontent.com/1294454/27816857-ce7be644-6096-11e7-82d6-3c257263229c.jpg',
'api' => 'https://api.gemini.com',
'www' => 'https://gemini.com',
'doc' => array (
'https://docs.gemini.com/rest-api',
'https://docs.sandbox.gemini.com',
),
'test' => 'https://api.sandbox.gemini.com',
'fees' => array (
'https://gemini.com/fee-schedule/',
'https://gemini.com/transfer-fees/',
),
),
'api' => array (
'public' => array (
'get' => array (
'symbols',
'pubticker/{symbol}',
'book/{symbol}',
'trades/{symbol}',
'auction/{symbol}',
'auction/{symbol}/history',
),
),
'private' => array (
'post' => array (
'order/new',
'order/cancel',
'order/cancel/session',
'order/cancel/all',
'order/status',
'orders',
'mytrades',
'tradevolume',
'balances',
'deposit/{currency}/newAddress',
'withdraw/{currency}',
'heartbeat',
),
),
),
'fees' => array (
'trading' => array (
'taker' => 0.0025,
),
),
));
}
public function fetch_markets () {
$markets = $this->publicGetSymbols ();
$result = array ();
for ($p = 0; $p < count ($markets); $p++) {
$id = $markets[$p];
$market = $id;
$uppercase = strtoupper ($market);
$base = mb_substr ($uppercase, 0, 3);
$quote = mb_substr ($uppercase, 3, 6);
$symbol = $base . '/' . $quote;
$result[] = array (
'id' => $id,
'symbol' => $symbol,
'base' => $base,
'quote' => $quote,
'info' => $market,
);
}
return $result;
}
public function fetch_order_book ($symbol, $limit = null, $params = array ()) {
$this->load_markets();
$orderbook = $this->publicGetBookSymbol (array_merge (array (
'symbol' => $this->market_id($symbol),
), $params));
return $this->parse_order_book($orderbook, null, 'bids', 'asks', 'price', 'amount');
}
public function fetch_ticker ($symbol, $params = array ()) {
$this->load_markets();
$market = $this->market ($symbol);
$ticker = $this->publicGetPubtickerSymbol (array_merge (array (
'symbol' => $market['id'],
), $params));
$timestamp = $ticker['volume']['timestamp'];
$baseVolume = $market['base'];
$quoteVolume = $market['quote'];
return array (
'symbol' => $symbol,
'timestamp' => $timestamp,
'datetime' => $this->iso8601 ($timestamp),
'high' => null,
'low' => null,
'bid' => floatval ($ticker['bid']),
'ask' => floatval ($ticker['ask']),
'vwap' => null,
'open' => null,
'close' => null,
'first' => null,
'last' => floatval ($ticker['last']),
'change' => null,
'percentage' => null,
'average' => null,
'baseVolume' => floatval ($ticker['volume'][$baseVolume]),
'quoteVolume' => floatval ($ticker['volume'][$quoteVolume]),
'info' => $ticker,
);
}
public function parse_trade ($trade, $market) {
$timestamp = $trade['timestampms'];
$order = null;
if (is_array ($trade) && array_key_exists ('orderId', $trade))
$order = (string) $trade['orderId'];
$fee = $this->safe_float($trade, 'fee_amount');
if ($fee !== null) {
$currency = $this->safe_string($trade, 'fee_currency');
if ($currency !== null) {
if (is_array ($this->currencies_by_id) && array_key_exists ($currency, $this->currencies_by_id))
$currency = $this->currencies_by_id[$currency]['code'];
$currency = $this->common_currency_code($currency);
}
$fee = array (
'cost' => floatval ($trade['fee_amount']),
'currency' => $currency,
);
}
$price = floatval ($trade['price']);
$amount = floatval ($trade['amount']);
return array (
'id' => (string) $trade['tid'],
'order' => $order,
'info' => $trade,
'timestamp' => $timestamp,
'datetime' => $this->iso8601 ($timestamp),
'symbol' => $market['symbol'],
'type' => null,
'side' => $trade['type'],
'price' => $price,
'cost' => $price * $amount,
'amount' => $amount,
'fee' => $fee,
);
}
public function fetch_trades ($symbol, $since = null, $limit = null, $params = array ()) {
$this->load_markets();
$market = $this->market ($symbol);
$response = $this->publicGetTradesSymbol (array_merge (array (
'symbol' => $market['id'],
), $params));
return $this->parse_trades($response, $market, $since, $limit);
}
public function fetch_balance ($params = array ()) {
$this->load_markets();
$balances = $this->privatePostBalances ();
$result = array ( 'info' => $balances );
for ($b = 0; $b < count ($balances); $b++) {
$balance = $balances[$b];
$currency = $balance['currency'];
$account = array (
'free' => floatval ($balance['available']),
'used' => 0.0,
'total' => floatval ($balance['amount']),
);
$account['used'] = $account['total'] - $account['free'];
$result[$currency] = $account;
}
return $this->parse_balance($result);
}
public function create_order ($symbol, $type, $side, $amount, $price = null, $params = array ()) {
$this->load_markets();
if ($type === 'market')
throw new ExchangeError ($this->id . ' allows limit orders only');
$nonce = $this->nonce ();
$order = array (
'client_order_id' => (string) $nonce,
'symbol' => $this->market_id($symbol),
'amount' => (string) $amount,
'price' => (string) $price,
'side' => $side,
'type' => 'exchange limit', // gemini allows limit orders only
);
$response = $this->privatePostOrderNew (array_merge ($order, $params));
return array (
'info' => $response,
'id' => $response['order_id'],
);
}
public function cancel_order ($id, $symbol = null, $params = array ()) {
$this->load_markets();
return $this->privatePostOrderCancel (array ( 'order_id' => $id ));
}
public function fetch_my_trades ($symbol = null, $since = null, $limit = null, $params = array ()) {
if ($symbol === null)
throw new ExchangeError ($this->id . ' fetchMyTrades requires a $symbol argument');
$this->load_markets();
$market = $this->market ($symbol);
$request = array (
'symbol' => $market['id'],
);
if ($limit !== null)
$request['limit'] = $limit;
$response = $this->privatePostMytrades (array_merge ($request, $params));
return $this->parse_trades($response, $market, $since, $limit);
}
public function withdraw ($code, $amount, $address, $tag = null, $params = array ()) {
$this->load_markets();
$currency = $this->currency ($code);
$response = $this->privatePostWithdrawCurrency (array_merge (array (
'currency' => $currency['id'],
'amount' => $amount,
'address' => $address,
), $params));
return array (
'info' => $response,
'id' => $this->safe_string($response, 'txHash'),
);
}
public function sign ($path, $api = 'public', $method = 'GET', $params = array (), $headers = null, $body = null) {
$url = '/' . $this->version . '/' . $this->implode_params($path, $params);
$query = $this->omit ($params, $this->extract_params($path));
if ($api === 'public') {
if ($query)
$url .= '?' . $this->urlencode ($query);
} else {
$this->check_required_credentials();
$nonce = $this->nonce ();
$request = array_merge (array (
'request' => $url,
'nonce' => $nonce,
), $query);
$payload = $this->json ($request);
$payload = base64_encode ($this->encode ($payload));
$signature = $this->hmac ($payload, $this->encode ($this->secret), 'sha384');
$headers = array (
'Content-Type' => 'text/plain',
'X-GEMINI-APIKEY' => $this->apiKey,
'X-GEMINI-PAYLOAD' => $this->decode ($payload),
'X-GEMINI-SIGNATURE' => $signature,
);
}
$url = $this->urls['api'] . $url;
return array ( 'url' => $url, 'method' => $method, 'body' => $body, 'headers' => $headers );
}
public function request ($path, $api = 'public', $method = 'GET', $params = array (), $headers = null, $body = null) {
$response = $this->fetch2 ($path, $api, $method, $params, $headers, $body);
if (is_array ($response) && array_key_exists ('result', $response))
if ($response['result'] === 'error')
throw new ExchangeError ($this->id . ' ' . $this->json ($response));
return $response;
}
}