/home/kueuepay/public_html/vendor/paragonie/constant_time_encoding/src/Encoding.php
<?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

use TypeError;

/**
 *  Copyright (c) 2016 - 2022 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Encoding
 * @package ParagonIE\ConstantTime
 */
abstract class Encoding
{
    /**
     * RFC 4648 Base32 encoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base32Encode(string $str): string
    {
        return Base32::encode($str);
    }

    /**
     * RFC 4648 Base32 encoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base32EncodeUpper(string $str): string
    {
        return Base32::encodeUpper($str);
    }

    /**
     * RFC 4648 Base32 decoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base32Decode(string $str): string
    {
        return Base32::decode($str);
    }

    /**
     * RFC 4648 Base32 decoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base32DecodeUpper(string $str): string
    {
        return Base32::decodeUpper($str);
    }

    /**
     * RFC 4648 Base32 encoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base32HexEncode(string $str): string
    {
        return Base32Hex::encode($str);
    }

    /**
     * RFC 4648 Base32Hex encoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base32HexEncodeUpper(string $str): string
    {
        return Base32Hex::encodeUpper($str);
    }

    /**
     * RFC 4648 Base32Hex decoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base32HexDecode(string $str): string
    {
        return Base32Hex::decode($str);
    }

    /**
     * RFC 4648 Base32Hex decoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base32HexDecodeUpper(string $str): string
    {
        return Base32Hex::decodeUpper($str);
    }

    /**
     * RFC 4648 Base64 encoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base64Encode(string $str): string
    {
        return Base64::encode($str);
    }

    /**
     * RFC 4648 Base64 decoding
     *
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base64Decode(string $str): string
    {
        return Base64::decode($str);
    }

    /**
     * Encode into Base64
     *
     * Base64 character set "./[A-Z][a-z][0-9]"
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base64EncodeDotSlash(string $str): string
    {
        return Base64DotSlash::encode($str);
    }

    /**
     * Decode from base64 to raw binary
     *
     * Base64 character set "./[A-Z][a-z][0-9]"
     *
     * @param string $str
     * @return string
     * @throws \RangeException
     * @throws TypeError
     */
    public static function base64DecodeDotSlash(string $str): string
    {
        return Base64DotSlash::decode($str);
    }

    /**
     * Encode into Base64
     *
     * Base64 character set "[.-9][A-Z][a-z]" or "./[0-9][A-Z][a-z]"
     * @param string $str
     * @return string
     * @throws TypeError
     */
    public static function base64EncodeDotSlashOrdered(string $str): string
    {
        return Base64DotSlashOrdered::encode($str);
    }

    /**
     * Decode from base64 to raw binary
     *
     * Base64 character set "[.-9][A-Z][a-z]" or "./[0-9][A-Z][a-z]"
     *
     * @param string $str
     * @return string
     * @throws \RangeException
     * @throws TypeError
     */
    public static function base64DecodeDotSlashOrdered(string $str): string
    {
        return Base64DotSlashOrdered::decode($str);
    }

    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $bin_string (raw binary)
     * @return string
     * @throws TypeError
     */
    public static function hexEncode(string $bin_string): string
    {
        return Hex::encode($bin_string);
    }

    /**
     * Convert a hexadecimal string into a binary string without cache-timing
     * leaks
     *
     * @param string $hex_string
     * @return string (raw binary)
     * @throws \RangeException
     */
    public static function hexDecode(string $hex_string): string
    {
        return Hex::decode($hex_string);
    }

    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $bin_string (raw binary)
     * @return string
     * @throws TypeError
     */
    public static function hexEncodeUpper(string $bin_string): string
    {
        return Hex::encodeUpper($bin_string);
    }

    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $bin_string (raw binary)
     * @return string
     */
    public static function hexDecodeUpper(string $bin_string): string
    {
        return Hex::decode($bin_string);
    }
}
Initiate Payment

Initiate Payment

Initiates a new payment transaction.

Endpoint: POST create-order
Parameter Type Details
amount decimal Your Amount , Must be rounded at 2 precision.
currency string Currency Code, Must be in Upper Case (Alpha-3 code)
success_url string Enter your return or success URL
cancel_url string (optional) Enter your cancel or failed URL
                    
                        Request Example (guzzle)
                        

<?php
require_once('vendor/autoload.php');
$client = new \GuzzleHttp\Client();
$response = $client->request('POST', $base_url.'create-order', [
'headers' => [
  'Authorization' => 'Bearer '. $authorizationToken,
  'accept' => 'application/json',
  'content-type' => 'application/json',
 ],
'form_params' => [
  'amount' => '$amount',
  'currency' => 'currency',
  'success_url' => 'success_url',
  'cancel_url' => 'cancel_url',
 ],
]);
echo $response->getBody();
                    
                        
**Response: SUCCESS (200 OK)**
{
 "message": {
 "success": [
  "Order created successfully."
 ]
},
"data": {
 "redirect_url":"https://example.com/login/OISADFDFSDFSF",
 "order_details":{
 "amount" : "10",
 "fixed_charge" : 2,
 "percent_charge" : 1,
 "total_charge" : 3,
 "total_payable" : 13,
 "currency" : "USD",
 "expiry_time": "2024-04-25T06:48:35.984285Z",
 "success_url": "http://127.0.0.1/nfcpay/user/transaction/success",
 "cancel_url": "http://127.0.0.1/nfcpay/user/transaction/cancel"
}
},
"type": "success"
}
                    
                        
**Response: ERROR (400 FAILED)**
{
 "message": {
 "error": [
  "Invalid token."
 ]
},
"data": null,
"type": "error"
}