original_string: public function checkHandlerRequest()
      {
          $ip = $this->getIp();
          if (!isset($_GET['method'])) {
              throw new InvalidArgumentException('Method is null');
          }
  
          if (!isset($_GET['params'])) {
              throw new InvalidArgumentException('Params is null');
          }
  
          list($method, $params) = array($_GET['method'], $_GET['params']);
  
          if (!in_array($method, $this->supportedPartnerMethods)) {
              throw new UnexpectedValueException('Method is not supported');
          }
  
          if (!isset($params['signature']) || $params['signature'] != $this->getSignature($params, $method)) {
              throw new InvalidArgumentException('Wrong signature');
          }
  
          /**
           * IP address check
           * @link http://help.unitpay.ru/article/67-ip-addresses
           */
          if (!in_array($ip, $this->supportedUnitpayIp)) {
              throw new InvalidArgumentException('IP address Error');
          }
  
          return true;
      }
code: public function checkHandlerRequest()
      {
          $ip = $this->getIp();
          if (!isset($_GET['method'])) {
              throw new InvalidArgumentException('Method is null');
          }
  
          if (!isset($_GET['params'])) {
              throw new InvalidArgumentException('Params is null');
          }
  
          list($method, $params) = array($_GET['method'], $_GET['params']);
  
          if (!in_array($method, $this->supportedPartnerMethods)) {
              throw new UnexpectedValueException('Method is not supported');
          }
  
          if (!isset($params['signature']) || $params['signature'] != $this->getSignature($params, $method)) {
              throw new InvalidArgumentException('Wrong signature');
          }
  
          /**
           * IP address check
           * @link http://help.unitpay.ru/article/67-ip-addresses
           */
          if (!in_array($ip, $this->supportedUnitpayIp)) {
              throw new InvalidArgumentException('IP address Error');
          }
  
          return true;
      }
code_tokens: public function checkHandlerRequest ( ) { $ ip = $ this -> getIp ( ) ; if ( ! isset ( $ _GET [ 'method' ] ) ) { throw new InvalidArgumentException ( 'Method is null' ) ; } if ( ! isset ( $ _GET [ 'params' ] ) ) { throw new InvalidArgumentException ( 'Params is null' ) ; } list ( $ method , $ params ) = array ( $ _GET [ 'method' ] , $ _GET [ 'params' ] ) ; if ( ! in_array ( $ method , $ this -> supportedPartnerMethods ) ) { throw new UnexpectedValueException ( 'Method is not supported' ) ; } if ( ! isset ( $ params [ 'signature' ] ) || $ params [ 'signature' ] != $ this -> getSignature ( $ params , $ method ) ) { throw new InvalidArgumentException ( 'Wrong signature' ) ; } /**
           * IP address check
           * @link http://help.unitpay.ru/article/67-ip-addresses
           */ if ( ! in_array ( $ ip , $ this -> supportedUnitpayIp ) ) { throw new InvalidArgumentException ( 'IP address Error' ) ; } return true ; }
docstring: Check request on handler from UnitPay
  
  @return bool
  
  @throws InvalidArgumentException
  @throws UnexpectedValueException
docstring_tokens: Check request on handler from UnitPay