pool/web/yaamp/core/exchange/nova.php
2017-08-23 15:21:30 +02:00

104 lines
3.1 KiB
PHP

<?php
// markets
function nova_api_query($method)
{
$uri = "https://novaexchange.com/remote/v2/$method/";
$ch = curl_init($uri);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$res= curl_exec($ch);
$obj = json_decode($res);
return $obj;
}
function nova_api_user($method, $params=array())
{
require_once('/etc/yiimp/keys.php');
if (!defined('EXCH_NOVA_SECRET')) define('EXCH_NOVA_SECRET', '');
if (empty(EXCH_NOVA_KEY) || empty(EXCH_NOVA_SECRET)) return false;
$uri = "https://novaexchange.com/remote/v2/private/$method/?nonce=".time();
$headers = array(
'Content-Type: application/x-www-form-urlencoded',
);
$params['apikey'] = EXCH_NOVA_KEY;
$params['signature'] = base64_encode(hash_hmac('sha512', $uri, EXCH_NOVA_SECRET, true));
$postdata = http_build_query($params, '', '&');
// Clear the params array so that we don't accidentaly leak our keys
$params = array();
$ch = curl_init($uri);
//curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
//curl_setopt($ch, CURLOPT_SSLVERSION, 1 /*CURL_SSLVERSION_TLSv1*/);
curl_setopt($ch, CURLOPT_SSL_SESSIONID_CACHE, 0);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; Nova API PHP client; '.php_uname('s').'; PHP/'.phpversion().')');
curl_setopt($ch, CURLOPT_ENCODING , '');
$data = curl_exec($ch);
$res = json_decode($data);
if(!is_object($res) || $res->status == 'error') {
$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
debuglog("nova: $method failed ($status) ".strip_data($data).' '.curl_error($ch));
}
curl_close($ch);
return $res;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// manual update of one market
function nova_update_market($market)
{
$exchange = 'nova';
if (is_string($market))
{
$symbol = $market;
$coin = getdbosql('db_coins', "symbol=:sym", array(':sym'=>$symbol));
if(!$coin) return false;
$pair = 'BTC_'.strtoupper($symbol);
$market = getdbosql('db_markets', "coinid={$coin->id} AND name='$exchange'");
if(!$market) return false;
} else if (is_object($market)) {
$coin = getdbo('db_coins', $market->coinid);
if(!$coin) return false;
$symbol = $coin->getOfficialSymbol();
$pair = 'BTC_'.strtoupper($symbol);
if (!empty($market->base_coin)) $pair = $market->base_coin.'_'.strtoupper($symbol);
}
$t1 = microtime(true);
$m = nova_api_query('market/info/'.$pair);
if(!is_object($m) || $m->status != 'success' || empty($m->markets)) return false;
$ticker = $m->markets[0];
$price2 = ($ticker->bid+$ticker->ask)/2;
$market->price = AverageIncrement($market->price, $ticker->bid);
$market->price2 = AverageIncrement($market->price2, $ticker->last_price);
$market->pricetime = time();
$market->save();
$apims = round((microtime(true) - $t1)*1000,3);
user()->setFlash('message', "$exchange $symbol price updated in $apims ms");
return true;
}