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bitstamp.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 bitstamp extends Exchange {
public function describe () {
return array_replace_recursive (parent::describe (), array (
'id' => 'bitstamp',
'name' => 'Bitstamp',
'countries' => 'GB',
'rateLimit' => 1000,
'version' => 'v2',
'has' => array (
'CORS' => true,
'fetchOrder' => true,
'fetchMyTrades' => true,
'withdraw' => true,
),
'urls' => array (
'logo' => 'https://user-images.githubusercontent.com/1294454/27786377-8c8ab57e-5fe9-11e7-8ea4-2b05b6bcceec.jpg',
'api' => 'https://www.bitstamp.net/api',
'www' => 'https://www.bitstamp.net',
'doc' => 'https://www.bitstamp.net/api',
),
'requiredCredentials' => array (
'apiKey' => true,
'secret' => true,
'uid' => true,
),
'api' => array (
'public' => array (
'get' => array (
'order_book/{pair}/',
'ticker_hour/{pair}/',
'ticker/{pair}/',
'transactions/{pair}/',
'trading-pairs-info/',
),
),
'private' => array (
'post' => array (
'balance/',
'balance/{pair}/',
'bch_withdrawal/',
'bch_address/',
'user_transactions/',
'user_transactions/{pair}/',
'open_orders/all/',
'open_orders/{pair}/',
'order_status/',
'cancel_order/',
'buy/{pair}/',
'buy/market/{pair}/',
'sell/{pair}/',
'sell/market/{pair}/',
'ltc_withdrawal/',
'ltc_address/',
'eth_withdrawal/',
'eth_address/',
'xrp_withdrawal/',
'xrp_address/',
'transfer-to-main/',
'transfer-from-main/',
'withdrawal/open/',
'withdrawal/status/',
'withdrawal/cancel/',
'liquidation_address/new/',
'liquidation_address/info/',
),
),
'v1' => array (
'post' => array (
'bitcoin_deposit_address/',
'unconfirmed_btc/',
'bitcoin_withdrawal/',
'ripple_withdrawal/',
'ripple_address/',
),
),
),
'fees' => array (
'trading' => array (
'tierBased' => true,
'percentage' => true,
'taker' => 0.25 / 100,
'maker' => 0.25 / 100,
'tiers' => array (
'taker' => [
[0, 0.25 / 100],
[20000, 0.24 / 100],
[100000, 0.22 / 100],
[400000, 0.20 / 100],
[600000, 0.15 / 100],
[1000000, 0.14 / 100],
[2000000, 0.13 / 100],
[4000000, 0.12 / 100],
[20000000, 0.11 / 100],
[20000001, 0.10 / 100],
],
'maker' => [
[0, 0.25 / 100],
[20000, 0.24 / 100],
[100000, 0.22 / 100],
[400000, 0.20 / 100],
[600000, 0.15 / 100],
[1000000, 0.14 / 100],
[2000000, 0.13 / 100],
[4000000, 0.12 / 100],
[20000000, 0.11 / 100],
[20000001, 0.10 / 100],
],
),
),
'funding' => array (
'tierBased' => false,
'percentage' => false,
'withdraw' => array (
'BTC' => 0,
'BCH' => 0,
'LTC' => 0,
'ETH' => 0,
'XRP' => 0,
'USD' => 25,
'EUR' => 0.90,
),
'deposit' => array (
'BTC' => 0,
'BCH' => 0,
'LTC' => 0,
'ETH' => 0,
'XRP' => 0,
'USD' => 25,
'EUR' => 0,
),
),
),
));
}
public function fetch_markets () {
$markets = $this->publicGetTradingPairsInfo ();
$result = array ();
for ($i = 0; $i < count ($markets); $i++) {
$market = $markets[$i];
$symbol = $market['name'];
list ($base, $quote) = explode ('/', $symbol);
$baseId = strtolower ($base);
$quoteId = strtolower ($quote);
$symbolId = $baseId . '_' . $quoteId;
$id = $market['url_symbol'];
$precision = array (
'amount' => $market['base_decimals'],
'price' => $market['counter_decimals'],
);
$parts = explode (' ', $market['minimum_order']);
$cost = $parts[0];
// list ($cost, $currency) = explode (' ', $market['minimum_order']);
$active = ($market['trading'] === 'Enabled');
$lot = pow (10, -$precision['amount']);
$result[] = array (
'id' => $id,
'symbol' => $symbol,
'base' => $base,
'quote' => $quote,
'baseId' => $baseId,
'quoteId' => $quoteId,
'symbolId' => $symbolId,
'info' => $market,
'lot' => $lot,
'active' => $active,
'precision' => $precision,
'limits' => array (
'amount' => array (
'min' => $lot,
'max' => null,
),
'price' => array (
'min' => pow (10, -$precision['price']),
'max' => null,
),
'cost' => array (
'min' => floatval ($cost),
'max' => null,
),
),
);
}
return $result;
}
public function fetch_order_book ($symbol, $limit = null, $params = array ()) {
$this->load_markets();
$orderbook = $this->publicGetOrderBookPair (array_merge (array (
'pair' => $this->market_id($symbol),
), $params));
$timestamp = intval ($orderbook['timestamp']) * 1000;
return $this->parse_order_book($orderbook, $timestamp);
}
public function fetch_ticker ($symbol, $params = array ()) {
$this->load_markets();
$ticker = $this->publicGetTickerPair (array_merge (array (
'pair' => $this->market_id($symbol),
), $params));
$timestamp = intval ($ticker['timestamp']) * 1000;
$vwap = floatval ($ticker['vwap']);
$baseVolume = floatval ($ticker['volume']);
$quoteVolume = $baseVolume * $vwap;
return array (
'symbol' => $symbol,
'timestamp' => $timestamp,
'datetime' => $this->iso8601 ($timestamp),
'high' => floatval ($ticker['high']),
'low' => floatval ($ticker['low']),
'bid' => floatval ($ticker['bid']),
'ask' => floatval ($ticker['ask']),
'vwap' => $vwap,
'open' => floatval ($ticker['open']),
'close' => null,
'first' => null,
'last' => floatval ($ticker['last']),
'change' => null,
'percentage' => null,
'average' => null,
'baseVolume' => $baseVolume,
'quoteVolume' => $quoteVolume,
'info' => $ticker,
);
}
public function parse_trade ($trade, $market = null) {
$timestamp = null;
$symbol = null;
if (is_array ($trade) && array_key_exists ('date', $trade)) {
$timestamp = intval ($trade['date']) * 1000;
} else if (is_array ($trade) && array_key_exists ('datetime', $trade)) {
$timestamp = $this->parse8601 ($trade['datetime']);
}
// if overrided externally
$side = $this->safe_string($trade, 'side');
// only if not overrided externally
if ($side === null)
$side = ($trade['type'] === '0') ? 'buy' : 'sell';
$orderId = $this->safe_string($trade, 'order_id');
$price = $this->safe_float($trade, 'price');
$amount = $this->safe_float($trade, 'amount');
$id = $this->safe_string($trade, 'tid');
$id = $this->safe_string($trade, 'id', $id);
if ($market === null) {
$keys = is_array ($trade) ? array_keys ($trade) : array ();
for ($i = 0; $i < count ($keys); $i++) {
if (mb_strpos ($keys[$i], '_') !== false) {
$marketId = str_replace ('_', '', $keys[$i]);
if (is_array ($this->markets_by_id) && array_key_exists ($marketId, $this->markets_by_id))
$market = $this->markets_by_id[$marketId];
}
}
}
$feeCost = $this->safe_float($trade, 'fee');
$feeCurrency = null;
if ($market !== null) {
$price = $this->safe_float($trade, $market['symbolId'], $price);
$amount = $this->safe_float($trade, $market['baseId'], $amount);
$feeCurrency = $market['quote'];
$symbol = $market['symbol'];
}
return array (
'id' => $id,
'info' => $trade,
'timestamp' => $timestamp,
'datetime' => $this->iso8601 ($timestamp),
'symbol' => $symbol,
'order' => $orderId,
'type' => null,
'side' => $side,
'price' => $price,
'amount' => $amount,
'fee' => array (
'cost' => $feeCost,
'currency' => $feeCurrency,
),
);
}
public function fetch_trades ($symbol, $since = null, $limit = null, $params = array ()) {
$this->load_markets();
$market = $this->market ($symbol);
$response = $this->publicGetTransactionsPair (array_merge (array (
'pair' => $market['id'],
'time' => 'minute',
), $params));
return $this->parse_trades($response, $market, $since, $limit);
}
public function fetch_balance ($params = array ()) {
$this->load_markets();
$balance = $this->privatePostBalance ();
$result = array ( 'info' => $balance );
$currencies = is_array ($this->currencies) ? array_keys ($this->currencies) : array ();
for ($i = 0; $i < count ($currencies); $i++) {
$currency = $currencies[$i];
$lowercase = strtolower ($currency);
$total = $lowercase . '_balance';
$free = $lowercase . '_available';
$used = $lowercase . '_reserved';
$account = $this->account ();
if (is_array ($balance) && array_key_exists ($free, $balance))
$account['free'] = floatval ($balance[$free]);
if (is_array ($balance) && array_key_exists ($used, $balance))
$account['used'] = floatval ($balance[$used]);
if (is_array ($balance) && array_key_exists ($total, $balance))
$account['total'] = floatval ($balance[$total]);
$result[$currency] = $account;
}
return $this->parse_balance($result);
}
public function create_order ($symbol, $type, $side, $amount, $price = null, $params = array ()) {
$this->load_markets();
$method = 'privatePost' . $this->capitalize ($side);
$order = array (
'pair' => $this->market_id($symbol),
'amount' => $amount,
);
if ($type === 'market')
$method .= 'Market';
else
$order['price'] = $price;
$method .= 'Pair';
$response = $this->$method (array_merge ($order, $params));
return array (
'info' => $response,
'id' => $response['id'],
);
}
public function cancel_order ($id, $symbol = null, $params = array ()) {
$this->load_markets();
return $this->privatePostCancelOrder (array ( 'id' => $id ));
}
public function parse_order_status ($order) {
if (($order['status'] === 'Queue') || ($order['status'] === 'Open'))
return 'open';
if ($order['status'] === 'Finished')
return 'closed';
return $order['status'];
}
public function fetch_order_status ($id, $symbol = null) {
$this->load_markets();
$response = $this->privatePostOrderStatus (array ( 'id' => $id ));
return $this->parse_order_status($response);
}
public function fetch_my_trades ($symbol = null, $since = null, $limit = null, $params = array ()) {
$this->load_markets();
$market = null;
$request = array ();
$method = 'privatePostUserTransactions';
if ($symbol !== null) {
$market = $this->market ($symbol);
$request['pair'] = $market['id'];
$method .= 'Pair';
}
$response = $this->$method (array_merge ($request, $params));
return $this->parse_trades($response, $market, $since, $limit);
}
public function parse_order ($order, $market = null) {
$timestamp = null;
$datetimeString = $this->safe_string($order, 'datetime');
if ($datetimeString !== null)
$timestamp = $this->parse8601 ($datetimeString);
$symbol = null;
if ($market === null) {
if (is_array ($order) && array_key_exists ('currency_pair', $order)) {
$marketId = $order['currency_pair'];
if (is_array ($this->markets_by_id) && array_key_exists ($marketId, $this->markets_by_id))
$market = $this->markets_by_id[$marketId];
}
}
if ($market !== null)
$symbol = $market['symbol'];
$status = $this->safe_string($order, 'status');
if (($status === 'In Queue') || ($status === 'Open'))
$status = 'open';
else if ($status === 'Finished')
$status = 'closed';
$amount = $this->safe_float($order, 'amount');
$filled = 0;
$trades = array ();
$transactions = $this->safe_value($order, 'transactions');
if ($transactions !== null) {
if (gettype ($transactions) === 'array' && count (array_filter (array_keys ($transactions), 'is_string')) == 0) {
for ($i = 0; $i < count ($transactions); $i++) {
$trade = $this->parse_trade($transactions[$i], $market);
$filled .= $trade['amount'];
$trades[] = $trade;
}
}
}
$remaining = $amount - $filled;
$price = $this->safe_float($order, 'price');
$side = $this->safe_string($order, 'type');
if ($side !== null)
$side = ($side === '1') ? 'sell' : 'buy';
$fee = null;
$cost = null;
return array (
'id' => $order['id'],
'datetime' => $this->iso8601 ($timestamp),
'timestamp' => $timestamp,
'status' => $status,
'symbol' => $symbol,
'type' => null,
'side' => $side,
'price' => $price,
'cost' => $cost,
'amount' => $amount,
'filled' => $filled,
'remaining' => $remaining,
'trades' => $trades,
'fee' => $fee,
'info' => $order,
);
}
public function fetch_order ($id, $symbol = null, $params = array ()) {
$this->load_markets();
$response = $this->privatePostOrderStatus (array_merge (array (
'id' => (string) $id,
), $params));
$orders = $this->privatePostOpenOrdersAll ();
$order = $this->filter_by($orders, 'id', (string) $id);
return $this->parse_order(array_merge ($response, $order['0']));
}
public function get_currency_name ($code) {
if ($code === 'BTC')
return 'bitcoin';
return strtolower ($code);
}
public function is_fiat ($code) {
if ($code === 'USD')
return true;
if ($code === 'EUR')
return true;
return false;
}
public function withdraw ($code, $amount, $address, $tag = null, $params = array ()) {
$isFiat = $this->is_fiat ($code);
if ($isFiat)
throw new NotSupported ($this->id . ' fiat withdraw() for ' . $code . ' is not implemented yet');
$name = $this->get_currency_name ($code);
$request = array (
'amount' => $amount,
'address' => $address,
);
$v1 = ($code === 'BTC');
$method = $v1 ? 'v1' : 'private'; // $v1 or v2
$method .= 'Post' . $this->capitalize ($name) . 'Withdrawal';
$query = $params;
if ($code === 'XRP') {
if ($tag !== null) {
$request['destination_tag'] = $tag;
$query = $this->omit ($params, 'destination_tag');
} else {
throw new ExchangeError ($this->id . ' withdraw() requires a destination_tag param for ' . $code);
}
}
$response = $this->$method (array_merge ($request, $query));
return array (
'info' => $response,
'id' => $response['id'],
);
}
public function sign ($path, $api = 'public', $method = 'GET', $params = array (), $headers = null, $body = null) {
$url = $this->urls['api'] . '/';
if ($api !== 'v1')
$url .= $this->version . '/';
$url .= $this->implode_params($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 = (string) $this->nonce ();
$auth = $nonce . $this->uid . $this->apiKey;
$signature = $this->encode ($this->hmac ($this->encode ($auth), $this->encode ($this->secret)));
$query = array_merge (array (
'key' => $this->apiKey,
'signature' => strtoupper ($signature),
'nonce' => $nonce,
), $query);
$body = $this->urlencode ($query);
$headers = array (
'Content-Type' => 'application/x-www-form-urlencoded',
);
}
return array ( 'url' => $url, 'method' => $method, 'body' => $body, 'headers' => $headers );
}
public function handle_errors ($httpCode, $reason, $url, $method, $headers, $body) {
if (gettype ($body) != 'string')
return; // fallback to default error handler
if (strlen ($body) < 2)
return; // fallback to default error handler
if (($body[0] === '{') || ($body[0] === '[')) {
$response = json_decode ($body, $as_associative_array = true);
$status = $this->safe_string($response, 'status');
if ($status === 'error') {
$code = $this->safe_string($response, 'code');
if ($code !== null) {
if ($code === 'API0005')
throw new AuthenticationError ($this->id . ' invalid signature, use the uid for the main account if you have subaccounts');
}
throw new ExchangeError ($this->id . ' ' . $this->json ($response));
}
}
}
}