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nova.php
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<?php
namespace ccxt;
class nova extends Exchange {
public function describe () {
return array_replace_recursive (parent::describe (), array (
'id' => 'nova',
'name' => 'Novaexchange',
'countries' => 'TZ', // Tanzania
'rateLimit' => 2000,
'version' => 'v2',
'hasCORS' => false,
'urls' => array (
'logo' => 'https://user-images.githubusercontent.com/1294454/30518571-78ca0bca-9b8a-11e7-8840-64b83a4a94b2.jpg',
'api' => 'https://novaexchange.com/remote',
'www' => 'https://novaexchange.com',
'doc' => 'https://novaexchange.com/remote/faq',
),
'api' => array (
'public' => array (
'get' => array (
'markets/',
'markets/{basecurrency}/',
'market/info/{pair}/',
'market/orderhistory/{pair}/',
'market/openorders/{pair}/buy/',
'market/openorders/{pair}/sell/',
'market/openorders/{pair}/both/',
'market/openorders/{pair}/{ordertype}/',
),
),
'private' => array (
'post' => array (
'getbalances/',
'getbalance/{currency}/',
'getdeposits/',
'getwithdrawals/',
'getnewdepositaddress/{currency}/',
'getdepositaddress/{currency}/',
'myopenorders/',
'myopenorders_market/{pair}/',
'cancelorder/{orderid}/',
'withdraw/{currency}/',
'trade/{pair}/',
'tradehistory/',
'getdeposithistory/',
'getwithdrawalhistory/',
'walletstatus/',
'walletstatus/{currency}/',
),
),
),
));
}
public function fetch_markets () {
$response = $this->publicGetMarkets ();
$markets = $response['markets'];
$result = array ();
for ($i = 0; $i < count ($markets); $i++) {
$market = $markets[$i];
if (!$market['disabled']) {
$id = $market['marketname'];
list ($quote, $base) = explode ('_', $id);
$symbol = $base . '/' . $quote;
$result[] = array (
'id' => $id,
'symbol' => $symbol,
'base' => $base,
'quote' => $quote,
'info' => $market,
);
}
}
return $result;
}
public function fetch_order_book ($symbol, $params = array ()) {
$this->load_markets();
$orderbook = $this->publicGetMarketOpenordersPairBoth (array_merge (array (
'pair' => $this->market_id($symbol),
), $params));
return $this->parse_order_book($orderbook, null, 'buyorders', 'sellorders', 'price', 'amount');
}
public function fetch_ticker ($symbol, $params = array ()) {
$this->load_markets();
$response = $this->publicGetMarketInfoPair (array_merge (array (
'pair' => $this->market_id($symbol),
), $params));
$ticker = $response['markets'][0];
$timestamp = $this->milliseconds ();
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' => null,
'open' => null,
'close' => null,
'first' => null,
'last' => floatval ($ticker['last_price']),
'change' => floatval ($ticker['change24h']),
'percentage' => null,
'average' => null,
'baseVolume' => null,
'quoteVolume' => floatval ($ticker['volume24h']),
'info' => $ticker,
);
}
public function parse_trade ($trade, $market) {
$timestamp = $trade['unix_t_datestamp'] * 1000;
return array (
'info' => $trade,
'timestamp' => $timestamp,
'datetime' => $this->iso8601 ($timestamp),
'symbol' => $market['symbol'],
'id' => null,
'order' => null,
'type' => null,
'side' => strtolower ($trade['tradetype']),
'price' => floatval ($trade['price']),
'amount' => floatval ($trade['amount']),
);
}
public function fetch_trades ($symbol, $since = null, $limit = null, $params = array ()) {
$this->load_markets();
$market = $this->market ($symbol);
$response = $this->publicGetMarketOrderhistoryPair (array_merge (array (
'pair' => $market['id'],
), $params));
return $this->parse_trades($response['items'], $market, $since, $limit);
}
public function fetch_balance ($params = array ()) {
$this->load_markets();
$response = $this->privatePostGetbalances ();
$balances = $response['balances'];
$result = array ( 'info' => $response );
for ($b = 0; $b < count ($balances); $b++) {
$balance = $balances[$b];
$currency = $balance['currency'];
$lockbox = floatval ($balance['amount_lockbox']);
$trades = floatval ($balance['amount_trades']);
$account = array (
'free' => floatval ($balance['amount']),
'used' => $this->sum ($lockbox, $trades),
'total' => floatval ($balance['amount_total']),
);
$result[$currency] = $account;
}
return $this->parse_balance($result);
}
public function create_order ($symbol, $type, $side, $amount, $price = null, $params = array ()) {
if ($type == 'market')
throw new ExchangeError ($this->id . ' allows limit orders only');
$this->load_markets();
$amount = (string) $amount;
$price = (string) $price;
$market = $this->market ($symbol);
$order = array (
'tradetype' => strtoupper ($side),
'tradeamount' => $amount,
'tradeprice' => $price,
'tradebase' => 1,
'pair' => $market['id'],
);
$response = $this->privatePostTradePair (array_merge ($order, $params));
return array (
'info' => $response,
'id' => null,
);
}
public function cancel_order ($id, $symbol = null, $params = array ()) {
return $this->privatePostCancelorder (array_merge (array (
'orderid' => $id,
), $params));
}
public function sign ($path, $api = 'public', $method = 'GET', $params = array (), $headers = null, $body = null) {
$url = $this->urls['api'] . '/' . $this->version . '/';
if ($api == 'private')
$url .= $api . '/';
$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 ();
$url .= '?' . $this->urlencode (array ( 'nonce' => $nonce ));
$signature = $this->hmac ($this->encode ($url), $this->encode ($this->secret), 'sha512', 'base64');
$body = $this->urlencode (array_merge (array (
'apikey' => $this->apiKey,
'signature' => $signature,
), $query));
$headers = array (
'Content-Type' => 'application/x-www-form-urlencoded',
);
}
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 ('status', $response))
if ($response['status'] != 'success')
throw new ExchangeError ($this->id . ' ' . $this->json ($response));
return $response;
}
}