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kucoin exchange api + balances and icons
Signed-off-by: Tanguy Pruvot <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| <?php | ||
| // see https://kucoinapidocs.docs.apiary.io/ | ||
| // https://api.kucoin.com/v1/open/symbols/?market=BTC | ||
|
|
||
| function kucoin_api_query($method, $params='', $returnType='object') | ||
| { | ||
| $url = "https://api.kucoin.com/v1/$method/"; | ||
| if (!empty($params)) | ||
| $url .= "?$params"; | ||
|
|
||
| $ch = curl_init($url); | ||
| curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | ||
| curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10); | ||
| curl_setopt($ch, CURLOPT_TIMEOUT, 30); | ||
| curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; KuCoin API PHP client; '.php_uname('s').'; PHP/'.phpversion().')'); | ||
| curl_setopt($ch, CURLOPT_ENCODING , ''); | ||
| //curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); | ||
|
|
||
| $execResult = curl_exec($ch); | ||
| if ($returnType == 'object') | ||
| $ret = json_decode($execResult); | ||
| else | ||
| $ret = json_decode($execResult,true); | ||
|
|
||
| return $ret; | ||
| } | ||
|
|
||
| // https://api.kucoin.com/v1/account/<coin>/wallet/address | ||
|
|
||
| function kucoin_api_user($method, $params=NULL, $isPostMethod=false) | ||
| { | ||
| require_once('/etc/yiimp/keys.php'); | ||
| if (!defined('EXCH_KUCOIN_SECRET')) define('EXCH_KUCOIN_SECRET', ''); | ||
|
|
||
| if (empty(EXCH_KUCOIN_KEY) || empty(EXCH_KUCOIN_SECRET)) return false; | ||
|
|
||
| $api_host = 'https://api.kucoin.com'; | ||
| $mt = explode(' ', microtime()); | ||
| $nonce = $mt[1].substr($mt[0], 2, 3); | ||
| $url = $endpoint = "/v1/$method"; | ||
| $tosign = "$endpoint/$nonce/"; | ||
|
|
||
| if (empty($params)) $params = array(); | ||
| $query = http_build_query($params); | ||
| if (strlen($query) && !$isPostMethod) { | ||
| $url .= '&'.$query; $query = ''; | ||
| } | ||
| if ($isPostMethod) $post_data = $params; | ||
| $hmac = strtolower(hash_hmac('sha256', base64_encode($tosign.$query), EXCH_KUCOIN_SECRET)); | ||
|
|
||
| $headers = array( | ||
| 'Content-Type: application/json;charset=UTF-8', | ||
| 'KC-API-KEY: '.EXCH_KUCOIN_KEY, | ||
| 'KC-API-NONCE: '.$nonce, | ||
| 'KC-API-SIGNATURE: '.$hmac, | ||
| ); | ||
|
|
||
| $ch = curl_init(); | ||
|
|
||
| curl_setopt($ch, CURLOPT_URL, $api_host.$url); | ||
| curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); | ||
| if ($isPostMethod) { | ||
| curl_setopt($ch, CURLOPT_POST, true); | ||
| curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data); | ||
| } | ||
| curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | ||
| curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10); | ||
| curl_setopt($ch, CURLOPT_TIMEOUT, 30); | ||
| curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; KuCoin API PHP client; '.php_uname('s').'; PHP/'.phpversion().')'); | ||
| curl_setopt($ch, CURLOPT_ENCODING , ''); | ||
| //curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); | ||
| //curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); | ||
| //curl_setopt($ch, CURLOPT_VERBOSE, 1); | ||
|
|
||
| $res = curl_exec($ch); | ||
| if($res === false) { | ||
| $e = curl_error($ch); | ||
| debuglog("kucoin: $e"); | ||
| curl_close($ch); | ||
| return false; | ||
| } | ||
|
|
||
| $result = json_decode($res); | ||
| if(!is_object($result) && !is_array($result)) { | ||
| $status = curl_getinfo($ch, CURLINFO_HTTP_CODE); | ||
| debuglog("kucoin: $method failed ($status) ".strip_data($res)); | ||
| } | ||
|
|
||
| curl_close($ch); | ||
|
|
||
| return $result; | ||
| } | ||
|
|
||
| ////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
|
|
||
| // manual update of one market | ||
| function kucoin_update_market($market) | ||
| { | ||
| $exchange = 'kucoin'; | ||
| if (is_string($market)) | ||
| { | ||
| $symbol = $market; | ||
| $coin = getdbosql('db_coins', "symbol=:sym", array(':sym'=>$symbol)); | ||
| if(!$coin) return false; | ||
| $pair = $symbol.'-BTC'; | ||
| $market = getdbosql('db_markets', "coinid={$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 = $symbol.'-BTC'; | ||
| if (!empty($market->base_coin)) $pair = $symbol.'-'.$market->base_coin; | ||
| } | ||
|
|
||
| $t1 = microtime(true); | ||
| $query = kucoin_api_query("$pair/open/tick"); | ||
| if(!is_object($query) || !isset($query->data)) return false; | ||
| $ticker = $ticker->data; | ||
|
|
||
| $price2 = ((double) $ticker->buy + (double)$ticker->sell)/2; | ||
| $market->price2 = AverageIncrement($market->price2, $price2); | ||
| $market->price = AverageIncrement($market->price, $ticker->buy); | ||
| $market->pricetime = time(); | ||
| $market->save(); | ||
|
|
||
| $apims = round((microtime(true) - $t1)*1000,3); | ||
| user()->setFlash('message', "$exchange $symbol price updated in $apims ms"); | ||
|
|
||
| return true; | ||
| } |
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