/**
* @param string $hex
* @param bool $compressed
* @param EcAdapterInterface|null $ecAdapter
* @return PrivateKey
*/
public static function fromHex($hex, $compressed = false, EcAdapterInterface $ecAdapter = null)
{
$hex = Buffer::hex($hex);
$ecAdapter = $ecAdapter ?: Bitcoin::getEcAdapter();
$hexSerializer = new HexPrivateKeySerializer($ecAdapter);
return $hexSerializer->parse($hex)->setCompressed($compressed);
}
/**
* @param $wif
* @return PrivateKey
* @throws InvalidPrivateKey
* @throws Base58ChecksumFailure
*/
public function parse($wif)
{
$payload = Base58::decodeCheck($wif)->slice(1);
$size = $payload->getSize();
if (!in_array($size, [32, 33])) {
throw new InvalidPrivateKey("Private key should be always be 32 or 33 bytes (depending on if it's compressed)");
}
return $this->hexSerializer->parse($payload->slice(0, 32))->setCompressed($size === 33);
}
/**
* @return \BitWasp\Buffertools\Buffer
*/
public function getBuffer()
{
$hexSerializer = new HexPrivateKeySerializer($this->ecAdapter);
return $hexSerializer->serialize($this);
}