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<?php |
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declare(strict_types=1); |
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namespace BitWasp\Bitcoin\Crypto\EcAdapter\Impl\Secp256k1\Serializer\Key; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Impl\Secp256k1\Adapter\EcAdapter; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Impl\Secp256k1\Key\PrivateKey; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Key\PrivateKeyInterface; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Serializer\Key\PrivateKeySerializerInterface; |
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use BitWasp\Buffertools\Buffer; |
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use BitWasp\Buffertools\BufferInterface; |
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use BitWasp\Buffertools\Parser; |
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/** |
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* Private Key Serializer - specific to secp256k1 |
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*/ |
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class PrivateKeySerializer implements PrivateKeySerializerInterface |
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{ |
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/** |
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* @var EcAdapter |
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*/ |
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private $ecAdapter; |
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/** |
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* @param EcAdapter $ecAdapter |
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*/ |
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public function __construct(EcAdapter $ecAdapter) |
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{ |
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$this->ecAdapter = $ecAdapter; |
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} |
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/** |
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* @param PrivateKey $privateKey |
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* @return BufferInterface |
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*/ |
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private function doSerialize(PrivateKey $privateKey): BufferInterface |
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{ |
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return new Buffer($privateKey->getSecretBinary(), 32); |
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} |
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/** |
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* @param PrivateKeyInterface $privateKey |
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* @return BufferInterface |
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*/ |
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public function serialize(PrivateKeyInterface $privateKey): BufferInterface |
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{ |
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/** @var PrivateKey $privateKey */ |
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return $this->doSerialize($privateKey); |
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} |
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/** |
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* @param Parser $parser |
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* @return PrivateKeyInterface |
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* @throws \Exception |
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*/ |
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public function fromParser(Parser $parser): PrivateKeyInterface |
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{ |
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return $this->ecAdapter->getPrivateKey($parser->readBytes(32)->getGmp()); |
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} |
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/** |
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* @param BufferInterface $data |
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* @return PrivateKeyInterface |
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* @throws \Exception |
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*/ |
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public function parse(BufferInterface $data): PrivateKeyInterface |
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{ |
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return $this->fromParser(new Parser($data)); |
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} |
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} |
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