invoiceninja/app/PaymentDrivers/Blockonomics/Blockonomics.php

<?php

/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2024. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\PaymentDrivers\Blockonomics;

use App\Models\Payment;
use App\Models\PaymentType;
use App\Models\GatewayType;
use App\PaymentDrivers\BlockonomicsPaymentDriver;
use App\Utils\Traits\MakesHash;
use App\PaymentDrivers\Common\MethodInterface;
use App\Http\Requests\ClientPortal\Payments\PaymentResponseRequest;
use App\Exceptions\PaymentFailed;
use App\Jobs\Mail\PaymentFailureMailer;
use Illuminate\Mail\Mailables\Address;
use App\Services\Email\EmailObject;
use App\Services\Email\Email;
use Illuminate\Support\Facades\App;
use App\Models\Invoice;

class Blockonomics implements MethodInterface
{
    use MakesHash;

    public $driver_class;

    public function __construct(BlockonomicsPaymentDriver $driver_class)
    {
        $this->driver_class = $driver_class;
        $this->driver_class->init();
        // TODO: set invoice_id
        $this->invoice_id = "123";
    }

    public function authorizeView($data)
    {
    }

    public function authorizeRequest($request)
    {
    }
    public function authorizeResponse($request)
    {
    }

    public function doCurlCall($url, $post_content = '')
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        if ($post_content) {
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $post_content);
        }
        curl_setopt($ch, CURLOPT_TIMEOUT, 60);
        curl_setopt($ch, CURLOPT_HTTPHEADER, [
            'Authorization: Bearer ' . $this->driver_class->api_key,
            'Content-type: application/x-www-form-urlencoded',
        ]);

        $contents = curl_exec($ch);
        if (curl_errno($ch)) {
            echo "Error:" . curl_error($ch);
        }
        $responseObj = json_decode($contents);
        $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close ($ch);

        if ($status != 200) {
            echo "ERROR: " . $status . ' ' . $responseObj->message;
        }
        return $responseObj;
    }

    public function setCallbackUrl()
    {
        $GET_CALLBACKS_URL = 'https://www.blockonomics.co/api/address?&no_balance=true&only_xpub=true&get_callback=true';
        $SET_CALLBACK_URL = 'https://www.blockonomics.co/api/update_callback';
        $get_callback_response = $this->doCurlCall($GET_CALLBACKS_URL);

        $callback_url = $this->driver_class->callback_url;
        $xpub = $get_callback_response[0]->address;
        $post_content = '{"callback": "' . $callback_url . '", "xpub": "' . $xpub . '"}';

        $responseObj = $this->doCurlCall($SET_CALLBACK_URL, $post_content);
        return $responseObj;
    }

    public function getBTCAddress()
    {
        $api_key = $this->driver_class->api_key;
        // TODO: remove ?reset=1 before marking PR as ready
        $url = 'https://www.blockonomics.co/api/new_address?reset=1';

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");

        $header = "Authorization: Bearer " . $api_key;
        $headers = array();
        $headers[] = $header;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $contents = curl_exec($ch);
        if (curl_errno($ch)) {
            echo "Error:" . curl_error($ch);
        }

        $responseObj = json_decode($contents);
        $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close ($ch);

        if ($status == 200) {
            return $responseObj->address;
        } else {
            echo "ERROR: " . $status . ' ' . $responseObj->message;
        }
        return "Something went wrong";
    }

    public function getTenMinutesCountDownEndTime()
    {
        $duration_in_sec = 10 * 60; // 10 minutes in seconds
        $current_time = time();
        return $current_time + $duration_in_sec;
    }

    public function getBTCPrice()
    {
        $currency_code = $this->driver_class->client->getCurrencyCode();
        $BLOCKONOMICS_BASE_URL = 'https://www.blockonomics.co';
        $BLOCKONOMICS_PRICE_URL = $BLOCKONOMICS_BASE_URL . '/api/price?currency=';
        $response = file_get_contents($BLOCKONOMICS_PRICE_URL . $currency_code);
        $data = json_decode($response, true);
        // TODO: handle error
        return $data['price'];
    }

    public function paymentView($data)
    {
        $data['gateway'] = $this->driver_class;
        $data['amount'] = $data['total']['amount_with_fee'];
        $data['currency'] = $this->driver_class->client->getCurrencyCode();
        $btc_amount = $data['amount'] / $this->getBTCPrice();
        $data['btc_amount'] = number_format($btc_amount, 10, '.', '');
        $btc_address = $this->getBTCAddress();
        $data['btc_address'] = $btc_address;
        $data['invoice_id'] = $this->invoice_id;
        $data['end_time'] = $this->getTenMinutesCountDownEndTime();
        $data['callback_url'] = $this->setCallbackUrl();

        $data['websocket_url'] = 'wss://www.blockonomics.co/payment/' . $btc_address;
        return render('gateways.blockonomics.pay', $data);
    }

    public function paymentResponse(PaymentResponseRequest $request)
    {
        $request->validate([
            'payment_hash' => ['required'],
            'amount' => ['required'],
            'currency' => ['required'],
        ]);

        $drv = $this->driver_class;
        if (
            strlen($drv->api_key) < 1 ||
            strlen($drv->callback_secret) < 1 ||
            strlen($drv->callback_url) < 1
        ) {
            throw new PaymentFailed('Blockonomics is not well configured');
        }

        try {
            $data = [
                'payment_method' => '',
                'payment_type' => PaymentType::CRYPTO,
                'amount' => 200,
                'transaction_reference' => 123,
                'gateway_type_id' => GatewayType::CRYPTO,
            ];
            return redirect()->route('client.payments.show', ['payment' => $this->encodePrimaryKey(6)]);

        } catch (\Throwable $e) {
            PaymentFailureMailer::dispatch($drv->client, $drv->payment_hash->data, $drv->client->company, $request->amount);
            throw new PaymentFailed('Error during Blockonomics payment : ' . $e->getMessage());
        }
    }

    // Not supported yet
    public function refund(Payment $payment, $amount)
    {

    }
}