call

$data = $data['data'];
            $key = $data['key'];

            $jsondata = json_decode(base64_decode($data));
            $vrfsign = hash('sha256', hash('sha256', $data) . hash('sha256', $this->signature));

            if ($key == $vrfsign) {
                if ((string)$jsondata->comand == "check") {
                    if (empty($order)) {
                        $log_data = array(
                            'status' => 404,
                            'log' => json_encode(array('error' => 'Order not exist'))
                        );
                        $this->CI->db->insert('mia_logs', $log_data);

                        $json_answer = [
                            'code' => 50,
                            'text' => 'not exist'
                        ];
                        echo json_encode($json_answer);
                        die();
                    }
                } elseif ((string)$jsondata->comand == "pay") {

                    $payment = $this->CI->db->where('order_nr',$jsondata->order_id)->get('payments')->row();
                    if (empty($payment)) {
                        $log_data = array(
                            'status' => 404,
                            'log' => json_encode($jsondata)
                        );
                        $this->CI->db->insert('mia_logs', $log_data);

                        $json_answer = [
                            'code' => 30,
                            'text' => 'unknown method'
                        ];
                        echo json_encode($json_answer);
                        die();
                    }

                    $pay_id = $payment->id;

                    $payments = array(
                        'info' => $data['qrExtensionUUID'] = $data['paymentDetails']['receipt'],
                        'status' => 'completed',
                        'update_datetime' => date("Y-m-d H:i:s"),
                    );

                    if (!$this->websocket->where('id', $pay_id)->update('payments', $payments)) {
                        $log_data = array(
                            'pay_id' => $pay_id,
                            'status' => 406,
                            'log' => json_encode($jsondata),
                        );
                        $this->CI->db->insert('mia_logs', $log_data);

                        $json_answer = [
                            'code' => 30,
                            'text' => 'unknown method'
                        ];
                        echo json_encode($json_answer);
                        die();
                    } else {
                        $log_data = array(
                            'pay_id' => $pay_id,
                            'status' => 200,
                            'log' => json_encode($jsondata)
                        );
                        $this->CI->db->insert('mia_logs', $log_data);

                        $json_answer = [
                            'code' => 100,
                            'text' => 'success'
                        ];
                        echo json_encode($json_answer);
                        die();
                    }
                } else {
                    $log_data = array(
                        'status' => 405,
                        'log' => json_encode(array('error' => 'unknown method'))
                    );
                    $this->CI->db->insert('mia_logs', $log_data);

                    $json_answer = [
                        'code' => 30,
                        'text' => 'unknown method'
                    ];
                    echo json_encode($json_answer);
                    die();
                }

                $log_data = array(
                    'status' => 405,
                    'log' => json_encode(array('error' => 'unknown method'))
                );
                $this->CI->db->insert('mia_logs', $log_data);

                $json_answer = [
                    'code' => 30,
                    'text' => 'unknown method'
                ];
                echo json_encode($json_answer);
                die();
            } else {
                $log_data = array(
                    'status' => 405,
                    'log' => json_encode($data)
                );
                $this->CI->db->insert('mia_logs', $log_data);
            }


            $this->CI->db->insert('mia_logs', array('log'=>json_encode($data), 'pay_id'=> 0));