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itbit.php
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<?php
namespace ccxt;
class itbit extends Exchange {
public function describe () {
return array_replace_recursive (parent::describe (), array (
'id' => 'itbit',
'name' => 'itBit',
'countries' => 'US',
'rateLimit' => 2000,
'version' => 'v1',
'hasCORS' => true,
'urls' => array (
'logo' => 'https://user-images.githubusercontent.com/1294454/27822159-66153620-60ad-11e7-89e7-005f6d7f3de0.jpg',
'api' => 'https://api.itbit.com',
'www' => 'https://www.itbit.com',
'doc' => array (
'https://api.itbit.com/docs',
'https://www.itbit.com/api',
),
),
'api' => array (
'public' => array (
'get' => array (
'markets/{symbol}/ticker',
'markets/{symbol}/order_book',
'markets/{symbol}/trades',
),
),
'private' => array (
'get' => array (
'wallets',
'wallets/{walletId}',
'wallets/{walletId}/balances/{currencyCode}',
'wallets/{walletId}/funding_history',
'wallets/{walletId}/trades',
'wallets/{walletId}/orders/{id}',
),
'post' => array (
'wallet_transfers',
'wallets',
'wallets/{walletId}/cryptocurrency_deposits',
'wallets/{walletId}/cryptocurrency_withdrawals',
'wallets/{walletId}/orders',
'wire_withdrawal',
),
'delete' => array (
'wallets/{walletId}/orders/{id}',
),
),
),
'markets' => array (
'BTC/USD' => array ( 'id' => 'XBTUSD', 'symbol' => 'BTC/USD', 'base' => 'BTC', 'quote' => 'USD' ),
'BTC/SGD' => array ( 'id' => 'XBTSGD', 'symbol' => 'BTC/SGD', 'base' => 'BTC', 'quote' => 'SGD' ),
'BTC/EUR' => array ( 'id' => 'XBTEUR', 'symbol' => 'BTC/EUR', 'base' => 'BTC', 'quote' => 'EUR' ),
),
'fees' => array (
'trading' => array (
'maker' => 0,
'taker' => 0.2 / 100,
),
),
));
}
public function fetch_order_book ($symbol, $params = array ()) {
$orderbook = $this->publicGetMarketsSymbolOrderBook (array_merge (array (
'symbol' => $this->market_id($symbol),
), $params));
return $this->parse_order_book($orderbook);
}
public function fetch_ticker ($symbol, $params = array ()) {
$ticker = $this->publicGetMarketsSymbolTicker (array_merge (array (
'symbol' => $this->market_id($symbol),
), $params));
$serverTimeUTC = (is_array ($ticker) && array_key_exists ('serverTimeUTC', $ticker));
if (!$serverTimeUTC)
throw new ExchangeError ($this->id . ' fetchTicker returned a bad response => ' . $this->json ($ticker));
$timestamp = $this->parse8601 ($ticker['serverTimeUTC']);
$vwap = floatval ($ticker['vwap24h']);
$baseVolume = floatval ($ticker['volume24h']);
$quoteVolume = $baseVolume * $vwap;
return array (
'symbol' => $symbol,
'timestamp' => $timestamp,
'datetime' => $this->iso8601 ($timestamp),
'high' => floatval ($ticker['high24h']),
'low' => floatval ($ticker['low24h']),
'bid' => $this->safe_float($ticker, 'bid'),
'ask' => $this->safe_float($ticker, 'ask'),
'vwap' => $vwap,
'open' => floatval ($ticker['openToday']),
'close' => null,
'first' => null,
'last' => floatval ($ticker['lastPrice']),
'change' => null,
'percentage' => null,
'average' => null,
'baseVolume' => $baseVolume,
'quoteVolume' => $quoteVolume,
'info' => $ticker,
);
}
public function parse_trade ($trade, $market) {
$timestamp = $this->parse8601 ($trade['timestamp']);
$id = (string) $trade['matchNumber'];
return array (
'info' => $trade,
'timestamp' => $timestamp,
'datetime' => $this->iso8601 ($timestamp),
'symbol' => $market['symbol'],
'id' => $id,
'order' => $id,
'type' => null,
'side' => null,
'price' => floatval ($trade['price']),
'amount' => floatval ($trade['amount']),
);
}
public function fetch_trades ($symbol, $since = null, $limit = null, $params = array ()) {
$market = $this->market ($symbol);
$response = $this->publicGetMarketsSymbolTrades (array_merge (array (
'symbol' => $market['id'],
), $params));
return $this->parse_trades($response['recentTrades'], $market, $since, $limit);
}
public function fetch_balance ($params = array ()) {
$response = $this->privateGetBalances ();
$balances = $response['balances'];
$result = array ( 'info' => $response );
for ($b = 0; $b < count ($balances); $b++) {
$balance = $balances[$b];
$currency = $balance['currency'];
$account = array (
'free' => floatval ($balance['availableBalance']),
'used' => 0.0,
'total' => floatval ($balance['totalBalance']),
);
$account['used'] = $account['total'] - $account['free'];
$result[$currency] = $account;
}
return $this->parse_balance($result);
}
public function fetch_wallets () {
return $this->privateGetWallets ();
}
public function nonce () {
return $this->milliseconds ();
}
public function create_order ($symbol, $type, $side, $amount, $price = null, $params = array ()) {
if ($type == 'market')
throw new ExchangeError ($this->id . ' allows limit orders only');
$walletIdInParams = (is_array ($params) && array_key_exists ('walletId', $params));
if (!$walletIdInParams)
throw new ExchangeError ($this->id . ' createOrder requires a walletId parameter');
$amount = (string) $amount;
$price = (string) $price;
$market = $this->market ($symbol);
$order = array (
'side' => $side,
'type' => $type,
'currency' => $market['base'],
'amount' => $amount,
'display' => $amount,
'price' => $price,
'instrument' => $market['id'],
);
$response = $this->privatePostTradeAdd (array_merge ($order, $params));
return array (
'info' => $response,
'id' => $response['id'],
);
}
public function cancel_order ($id, $symbol = null, $params = array ()) {
$walletIdInParams = (is_array ($params) && array_key_exists ('walletId', $params));
if (!$walletIdInParams)
throw new ExchangeError ($this->id . ' cancelOrder requires a walletId parameter');
return $this->privateDeleteWalletsWalletIdOrdersId (array_merge (array (
'id' => $id,
), $params));
}
public function sign ($path, $api = 'public', $method = 'GET', $params = array (), $headers = null, $body = null) {
$url = $this->urls['api'] . '/' . $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 {
$this->check_required_credentials();
if ($query)
$body = $this->json ($query);
else
$body = '';
$nonce = (string) $this->nonce ();
$timestamp = $nonce;
$auth = array ( $method, $url, $body, $nonce, $timestamp );
$message = $nonce . $this->json ($auth);
$hash = $this->hash ($this->encode ($message), 'sha256', 'binary');
$binhash = $this->binary_concat($url, $hash);
$signature = $this->hmac ($binhash, $this->encode ($this->secret), 'sha512', 'base64');
$headers = array (
'Authorization' => $this->apiKey . ':' . $signature,
'Content-Type' => 'application/json',
'X-Auth-Timestamp' => $timestamp,
'X-Auth-Nonce' => $nonce,
);
}
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 ('code', $response))
throw new ExchangeError ($this->id . ' ' . $this->json ($response));
return $response;
}
}