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@@ -0,0 +1,107 @@
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+<?php
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+
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+namespace App\Payments;
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+
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+class CoinPayments {
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+ public function __construct($config) {
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+ $this->config = $config;
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+ }
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+
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+ public function form()
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+ {
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+ return [
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+ 'coinpayments_merchant_id' => [
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+ 'label' => 'Merchant ID',
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+ 'description' => '商户 ID，填写您在 Account Settings 中得到的 ID',
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+ 'type' => 'input',
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+ ],
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+ 'coinpayments_ipn_secret' => [
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+ 'label' => 'IPN Secret',
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+ 'description' => '通知密钥，填写您在 Merchant Settings 中自行设置的值',
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+ 'type' => 'input',
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+ ],
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+ 'coinpayments_currency' => [
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+ 'label' => '货币代码',
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+ 'description' => '填写您的货币代码（大写），建议与 Merchant Settings 中的值相同',
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+ 'type' => 'input',
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+ ]
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+ ];
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+ }
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+
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+ public function pay($order) {
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+
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+ // IPN notifications are slow, when the transaction is successful, we should return to the user center to avoid user confusion
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+ $parseUrl = parse_url($order['return_url']);
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+ $port = isset($parseUrl['port']) ? ":{$parseUrl['port']}" : '';
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+ $successUrl = "{$parseUrl['scheme']}://{$parseUrl['host']}{$port}";
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+
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+ $params = [
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+ 'cmd' => '_pay_simple',
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+ 'reset' => 1,
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+ 'merchant' => $this->config['coinpayments_merchant_id'],
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+ 'item_name' => $order['trade_no'],
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+ 'item_number' => $order['trade_no'],
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+ 'want_shipping' => 0,
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+ 'currency' => $this->config['coinpayments_currency'],
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+ 'amountf' => sprintf('%.2f', $order['total_amount'] / 100),
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+ 'success_url' => $successUrl,
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+ 'cancel_url' => $order['return_url'],
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+ 'ipn_url' => $order['notify_url']
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+ ];
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+
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+ $params_string = http_build_query($params);
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+
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+ return [
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+ 'type' => 1, // Redirect to url
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+ 'data' => 'https://www.coinpayments.net/index.php?' . $params_string,
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+ 'custom_result' => 'IPN OK'
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+ ];
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+ }
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+
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+ public function notify($params) {
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+
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+ if (!isset($params['merchant']) || $params['merchant'] != trim($this->config['coinpayments_merchant_id'])) {
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+ abort(500, 'No or incorrect Merchant ID passed');
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+ }
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+
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+ $headers = getallheaders();
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+
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+ ksort($params);
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+ reset($params);
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+ $request = stripslashes(http_build_query($params));
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+
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+ $headerName = 'Hmac';
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+ $signHeader = isset($headers[$headerName]) ? $headers[$headerName] : '';
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+
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+ $hmac = hash_hmac("sha512", $request, trim($this->config['coinpayments_ipn_secret']));
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+
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+ // if (!hash_equals($hmac, $signHeader)) {
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+ // if ($hmac != $_SERVER['HTTP_HMAC']) { <-- Use this if you are running a version of PHP below 5.6.0 without the hash_equals function
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+ // $this->dieSendMessage(400, 'HMAC signature does not match');
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+ // }
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+
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+ if ($hmac != $signHeader) {
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+ abort(400, 'HMAC signature does not match');
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+ }
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+
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+ // HMAC Signature verified at this point, load some variables.
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+
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+ $status = $params['status'];
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+
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+ if ($status >= 100 || $status == 2) {
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+ // payment is complete or queued for nightly payout, success
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+ return [
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+ 'trade_no' => $params['item_number'],
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+ 'callback_no' => $params['txn_id']
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+ ];
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+ } else if ($status < 0) {
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+ //payment error, this is usually final but payments will sometimes be reopened if there was no exchange rate conversion or with seller consent
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+ abort(500, 'Payment Timed Out or Error');
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+ } else {
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+ //payment is pending, you can optionally add a note to the order page
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+ die('IPN OK: pending');
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+ }
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+
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+ }
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+
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+}
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Alpha Kane