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<?php 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\PublicKey; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Impl\Secp256k1\Key\XOnlyPublicKey; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Key\XOnlyPubKeyInterface; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Serializer\Key\XOnlyPublicKeySerializerInterface; |
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use BitWasp\Buffertools\Buffer; |
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use BitWasp\Buffertools\BufferInterface; |
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class XOnlyPublicKeySerializer implements XOnlyPublicKeySerializerInterface |
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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 PublicKey $publicKey |
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* @return BufferInterface |
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*/ |
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private function doSerialize(XOnlyPublicKey $publicKey) |
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{ |
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$serialized = ''; |
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if (!secp256k1_xonly_pubkey_serialize( |
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$this->ecAdapter->getContext(), |
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$serialized, |
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$publicKey->getResource() |
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)) { |
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throw new \RuntimeException('Secp256k1: Failed to serialize xonly public key'); |
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} |
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return new Buffer($serialized, 32); |
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} |
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/** |
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* @param XOnlyPubKeyInterface $publicKey |
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* @return BufferInterface |
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*/ |
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public function serialize(XOnlyPubKeyInterface $publicKey): BufferInterface |
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{ |
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/** @var PublicKey $publicKey */ |
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return $this->doSerialize($publicKey); |
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} |
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/** |
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* @param BufferInterface $buffer |
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* @return XOnlyPubKeyInterface |
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*/ |
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public function parse(BufferInterface $buffer): XOnlyPubKeyInterface |
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{ |
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$binary = $buffer->getBinary(); |
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$xonlyPubkey = null; |
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if (!secp256k1_xonly_pubkey_parse($this->ecAdapter->getContext(), $xonlyPubkey, $binary)) { |
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throw new \RuntimeException('Secp256k1 failed to parse xonly public key'); |
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} |
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/** @var resource $xonlyPubkey */ |
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return new XOnlyPublicKey( |
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$this->ecAdapter->getContext(), |
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$xonlyPubkey |
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); |
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} |
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} |
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Bit-Wasp /
bitcoin-php
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