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<?php declare(strict_types=1);
/**
* This file is part of the ngutech/bitcoin-interop project.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace NGUtech\Bitcoin\Service;
use ArrayIterator;
use Money\Currencies;
use Money\Currency;
use Money\Exception\UnknownCurrencyException;
use Traversable;
final class BitcoinCurrencies implements Currencies
{
public const BTC = 'BTC';
public const XBT = 'XBT';
public const SYMBOL = "\u{20BF}";
public function contains(Currency $currency): bool
return in_array($currency->getCode(), [self::BTC, self::XBT]);
}
public function subunitFor(Currency $currency): int
if (!$this->contains($currency)) {
throw new UnknownCurrencyException(
$currency.' is not Bitcoin and is not supported by this currency repository.'
);
return 8;
public function getIterator(): Traversable
return new ArrayIterator([
new Currency(self::BTC),
new Currency(self::XBT),
]);
NGUtech /
bitcoin-interop
