Super complex bitcoin api callback!

ApiController.php

/**
     * @Route("/bitcoin/{token}", name="api_bitcoin_callback")
     * @Template
     */
    public function bitcoinCallbackAction($token, Request $request) {
        $bitcoinSVC = $this->get('main_user.bitcoinservice');

        if (!$uid = $bitcoinSVC->validateCallback($token,$request->get('destination_address')))
            return false;

        $value = $request->get('value') / 100000000;
        $confirmations = $request->get('confirmations');
        if ($confirmations >= 3) {
            $user = $this->em->getRepository("MainUserBundle:User")
                ->find($uid)
            ;

            $user->incrementDigitalBalance($value);

            $this->em->flush($user);
        }

        return array('confirmations' => $confirmations);
    }