<?php

class СancelTransmitting
{
    private int $marketPlace;
    private string $secretKey;
    private $jsonString;
    private $request_url;

    public function __construct($jsonString)
    {
        $this->jsonString = $jsonString;

        $this->secretKey = $this->jsonString['secretKey'] ?? null;;
        $this->request_url = $this->jsonString['domain'] ?? null;
    }

    public function rejectPayment()
    {
        $messageTxt = json_encode($this->jsonString);
        $signature = hash('sha256', $messageTxt . $this->secretKey);
    
        $ch = curl_init();
        curl_setopt_array($ch, [
            CURLOPT_URL => "https://" .$this->request_url. "/merchantApi/rejectPayment",
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => $messageTxt,
            CURLOPT_HTTPHEADER => [
                "Signature: $signature",
                "Content-Type: application/json"
            ]
        ]);
    
        $res = curl_exec($ch);
    
        return $res;
    }
}
?>