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<?php
declare(strict_types=1);
namespace PhpLightning\Invoice\Domain\BackendInvoice;
use PhpLightning\Invoice\Domain\Http\HttpApiInterface;
use PhpLightning\Shared\Transfer\InvoiceTransfer;
final class LnbitsBackendInvoice implements BackendInvoiceInterface
{
/**
* @param array{api_key:string, api_endpoint:string} $options
*/
public function __construct(
private readonly HttpApiInterface $httpApi,
private array $options,
) {
}
public function requestInvoice(int $satsAmount, string $metadata = ''): InvoiceTransfer
$endpoint = $this->options['api_endpoint'] . '/api/v1/payments';
$content = [
'out' => false,
'amount' => $satsAmount,
'unhashed_description' => bin2hex($metadata),
'description_hash' => hash('sha256', $metadata),
];
$response = $this->httpApi->postRequestInvoice(
$endpoint,
body: json_encode($content, JSON_THROW_ON_ERROR),
headers: [
'Content-Type' => 'application/json',
'X-Api-Key' => $this->options['api_key'],
],
);
if ($response === null) {
return new InvoiceTransfer(status: 'ERROR', error: 'Backend "LnBits" unreachable');
return InvoiceTransfer::fromArray($response);
php-lightning /
lnaddress
