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<?php
declare(strict_types=1);
namespace BitWasp\Bitcoin\Key\Deterministic\Slip132;
class PrefixRegistry
{
/**
* @var array
*/
private $registry = [];
* PrefixRegistry constructor.
* @param array $registry
public function __construct(array $registry)
foreach ($registry as $scriptType => $prefixes) {
if (!is_string($scriptType)) {
throw new \InvalidArgumentException("Expecting script type as key");
}
if (count($prefixes) !== 2) {
throw new \InvalidArgumentException("Expecting two BIP32 prefixes");
// private, public
if (strlen($prefixes[0]) !== 8 || !ctype_xdigit($prefixes[0])) {
throw new \InvalidArgumentException("Invalid private prefix");
if (strlen($prefixes[1]) !== 8 || !ctype_xdigit($prefixes[1])) {
throw new \InvalidArgumentException("Invalid public prefix");
$this->registry = $registry;
* @param string $scriptType
* @return array
public function getPrefixes($scriptType): array
if (!array_key_exists($scriptType, $this->registry)) {
throw new \InvalidArgumentException("Unknown script type");
return $this->registry[$scriptType];
Bit-Wasp /
bitcoin-php
