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<?php |
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namespace BPT\pay; |
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use BPT\pay\crypto\invoicePaymentInterface; |
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use BPT\pay\crypto\estimatePriceInterface; |
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use BPT\pay\crypto\estimateUpdateInterface; |
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use BPT\pay\crypto\invoiceResponseInterface; |
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use BPT\pay\crypto\ipnDataInterface; |
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use BPT\pay\crypto\paymentInterface; |
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use BPT\settings; |
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use BPT\tools; |
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use CurlHandle; |
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class crypto { |
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private static string $api_key = ''; |
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private static string $ipn_secret = ''; |
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const API_BASE = 'https://api.nowpayments.io/v1/'; |
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private static CurlHandle $session; |
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public static function init (): void { |
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self::$api_key = settings::$pay['crypto']['api_key'] ?? ''; |
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self::$ipn_secret = settings::$pay['crypto']['ipn_secret'] ?? ''; |
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self::$session = curl_init(); |
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curl_setopt(self::$session, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt(self::$session, CURLOPT_SSL_VERIFYPEER, 1); |
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curl_setopt(self::$session, CURLOPT_SSL_VERIFYHOST, 2); |
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} |
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private static function execute (string $method, string $endpoint, string|array $data = '') { |
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if (is_array($data)) { |
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foreach ($data as $key => $value) { |
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if (empty($value)) { |
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unset($data[$key]); |
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} |
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} |
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} |
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$session = self::$session; |
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curl_setopt($session, CURLOPT_HTTPHEADER, [ |
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'X-API-KEY: ' . self::$api_key, |
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'Content-Type: application/json' |
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]); |
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switch ($method) { |
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case 'GET': |
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curl_setopt($session, CURLOPT_URL, self::API_BASE . $endpoint . !empty($data) && is_array($data) ? ('?' . http_build_query($data)) : ''); |
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break; |
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case 'POST': |
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curl_setopt($session, CURLOPT_POST, true); |
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curl_setopt($session, CURLOPT_POSTFIELDS, json_encode($data)); |
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curl_setopt($session, CURLOPT_URL, self::API_BASE . $endpoint); |
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break; |
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default: |
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return false; |
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} |
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return json_decode(curl_exec($session)); |
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} |
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public static function status (): bool { |
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return self::execute('GET', 'status')->message === 'OK'; |
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} |
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/** |
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* @return estimatePriceInterface|mixed |
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*/ |
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public static function getEstimatePrice (int|float $amount, string $currency_from, string $currency_to) { |
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return self::execute('GET', 'estimate', [ |
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'amount' => $amount, |
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'currency_from' => $currency_from, |
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'currency_to' => $currency_to |
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]); |
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} |
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/** |
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* @return invoicePaymentInterface|mixed |
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*/ |
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public static function createPayment (int|float $price_amount, string $price_currency, string $pay_currency, int|float $pay_amount = null, string $ipn_callback_url = null, string $order_id = null, string $order_description = null, string $purchase_id = null, string $payout_address = null, string $payout_currency = null, string $payout_extra_id = null, bool $fixed_rate = null) { |
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return self::execute('POST', 'payment', [ |
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'price_amount' => $price_amount, |
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'price_currency' => $price_currency, |
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'pay_currency' => $pay_currency, |
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'pay_amount' => $pay_amount, |
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'ipn_callback_url' => $ipn_callback_url, |
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'order_id' => $order_id, |
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'order_description' => $order_description, |
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'purchase_id' => $purchase_id, |
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'payout_address' => $payout_address, |
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'payout_currency' => $payout_currency, |
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'payout_extra_id' => $payout_extra_id, |
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'fixed_rate' => $fixed_rate |
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]); |
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} |
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/** |
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* @return invoicePaymentInterface|mixed |
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*/ |
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public static function createInvoicePayment (string $iid, string $pay_currency, string $purchase_id = null, string $order_description = null, string $customer_email = null, string $payout_address = null, string $payout_extra_id = null, string $payout_currency = null) { |
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return self::execute('POST', 'invoice', [ |
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'iid' => $iid, |
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'pay_currency' => $pay_currency, |
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'purchase_id' => $purchase_id, |
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'order_description' => $order_description, |
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'customer_email' => $customer_email, |
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'payout_address' => $payout_address, |
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'payout_extra_id' => $payout_extra_id, |
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'payout_currency' => $payout_currency |
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]); |
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} |
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/** |
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* @return estimateUpdateInterface|mixed |
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*/ |
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public static function updateEstimatePrice (int $paymentID) { |
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return self::execute('POST', 'payment/' . $paymentID . '/update-merchant-estimate'); |
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} |
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/** |
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* @return paymentInterface|mixed |
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*/ |
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public static function getPaymentStatus (int $paymentID) { |
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return self::execute('GET', 'payment/' . $paymentID); |
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} |
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public static function getMinimumPaymentAmount (string $currency_from, string $currency_to): float { |
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return self::execute('GET', 'min-amount', [ |
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'currency_from' => $currency_from, |
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'currency_to' => $currency_to |
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])->min_amount; |
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} |
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/** |
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* @return invoiceResponseInterface|mixed |
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*/ |
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public static function createInvoice (int|float $price_amount, string $price_currency, string $pay_currency, int|float $pay_amount = null, string $ipn_callback_url = null, string $order_id = null, string $order_description = null, string $success_url = null, string $cancel_url = null) { |
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return self::execute('POST', 'invoice', [ |
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'price_amount' => $price_amount, |
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'price_currency' => $price_currency, |
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'pay_currency' => $pay_currency, |
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'pay_amount' => $pay_amount, |
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'ipn_callback_url' => $ipn_callback_url, |
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'order_id' => $order_id, |
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'order_description' => $order_description, |
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'success_url' => $success_url, |
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'cancel_url' => $cancel_url |
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]); |
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} |
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public static function getCurrencies (): array { |
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return self::execute('GET', 'currencies')->currencies; |
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} |
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public static function isNowPayments(): bool { |
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return tools::remoteIP() === '144.76.201.30'; |
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} |
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public static function isIPNRequestValid (): bool { |
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if (empty($_SERVER['HTTP_X_NOWPAYMENTS_SIG'])) { |
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return false; |
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} |
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if (!self::isNowPayments()) { |
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return false; |
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} |
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$request_json = file_get_contents('php://input'); |
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if (empty($request_json)) { |
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return false; |
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} |
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$request_data = json_decode($request_json, true); |
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ksort($request_data); |
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$hmac = hash_hmac("sha512", json_encode($request_data, JSON_UNESCAPED_SLASHES), trim(self::$ipn_secret)); |
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return $hmac == $_SERVER['HTTP_X_NOWPAYMENTS_SIG']; |
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} |
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/** |
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* @return ipnDataInterface|mixed |
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*/ |
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public static function getIPN () { |
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if (!self::isIPNRequestValid()) { |
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return false; |
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} |
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return json_decode(file_get_contents('php://input')); |
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} |
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} |
BPTproto /
BPT-Multi
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