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<?php |
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namespace BitWasp\Bitcoin\Serializer\Key\ScriptedHierarchicalKey; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Adapter\EcAdapterInterface; |
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use BitWasp\Bitcoin\Key\Deterministic\HdPrefix\GlobalPrefixConfig; |
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use BitWasp\Bitcoin\Key\Deterministic\HierarchicalKey; |
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use BitWasp\Bitcoin\Key\Deterministic\HierarchicalKeyScriptDecorator; |
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use BitWasp\Bitcoin\Key\PrivateKeyFactory; |
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use BitWasp\Bitcoin\Key\PublicKeyFactory; |
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use BitWasp\Bitcoin\Network\NetworkInterface; |
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use BitWasp\Bitcoin\Serializer\Key\HierarchicalKey\RawExtendedKeySerializer; |
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use BitWasp\Bitcoin\Serializer\Key\HierarchicalKey\RawKeyParams; |
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use BitWasp\Buffertools\Buffer; |
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use BitWasp\Buffertools\BufferInterface; |
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use BitWasp\Buffertools\Exceptions\ParserOutOfRange; |
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use BitWasp\Buffertools\Parser; |
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class ExtendedKeyWithScriptSerializer |
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{ |
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/** |
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* @var EcAdapterInterface |
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*/ |
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private $ecAdapter; |
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/** |
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* @var RawExtendedKeySerializer |
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*/ |
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private $rawSerializer; |
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/** |
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* @var GlobalPrefixConfig |
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*/ |
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private $config; |
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/** |
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* ExtendedKeyWithScriptSerializer constructor. |
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* @param EcAdapterInterface $ecAdapter |
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* @param GlobalPrefixConfig $hdPrefixConfig |
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*/ |
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public function __construct(EcAdapterInterface $ecAdapter, GlobalPrefixConfig $hdPrefixConfig) |
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{ |
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$this->ecAdapter = $ecAdapter; |
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$this->rawSerializer = new RawExtendedKeySerializer($ecAdapter); |
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$this->config = $hdPrefixConfig; |
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} |
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/** |
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* @param NetworkInterface $network |
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* @param HierarchicalKeyScriptDecorator $key |
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* @return BufferInterface |
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* @throws \Exception |
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*/ |
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public function serialize(NetworkInterface $network, HierarchicalKeyScriptDecorator $key) |
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{ |
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$scriptConfig = $this->config |
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->getNetworkConfig($network) |
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->getConfigForScriptType($key->getScriptDataFactory()->getScriptType()) |
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; |
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$hdKey = $key->getHdKey(); |
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if ($hdKey->isPrivate()) { |
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$prefix = $scriptConfig->getPrivatePrefix(); |
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$keyData = new Buffer("\x00" . $hdKey->getPrivateKey()->getBinary()); |
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} else { |
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$prefix = $scriptConfig->getPublicPrefix(); |
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$keyData = $hdKey->getPublicKey()->getBuffer(); |
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} |
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return $this->rawSerializer->serialize(new RawKeyParams( |
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$prefix, |
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$hdKey->getDepth(), |
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$hdKey->getFingerprint(), |
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$hdKey->getSequence(), |
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$hdKey->getChainCode(), |
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$keyData |
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)); |
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} |
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/** |
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* @param NetworkInterface $network |
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* @param Parser $parser |
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* @return HierarchicalKeyScriptDecorator |
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* @throws ParserOutOfRange |
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* @throws \Exception |
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*/ |
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public function fromParser(NetworkInterface $network, Parser $parser) |
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{ |
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$params = $this->rawSerializer->fromParser($parser); |
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$scriptConfig = $this->config |
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->getNetworkConfig($network) |
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->getConfigForPrefix($params->getPrefix()) |
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; |
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if ($params->getPrefix() === $scriptConfig->getPublicPrefix()) { |
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$key = PublicKeyFactory::fromHex($params->getKeyData(), $this->ecAdapter); |
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} else if ($params->getPrefix() === $scriptConfig->getPrivatePrefix()) { |
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$key = PrivateKeyFactory::fromHex($params->getKeyData()->slice(1), true, $this->ecAdapter); |
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} else { |
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throw new \InvalidArgumentException('Invalid prefix for extended key'); |
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} |
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return new HierarchicalKeyScriptDecorator( |
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$scriptConfig->getScriptDataFactory(), |
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new HierarchicalKey( |
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$this->ecAdapter, |
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$params->getDepth(), |
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$params->getParentFingerprint(), |
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$params->getSequence(), |
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$params->getChainCode(), |
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$key |
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) |
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); |
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} |
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/** |
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* @param NetworkInterface $network |
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* @param BufferInterface $buffer |
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* @return HierarchicalKeyScriptDecorator |
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* @throws ParserOutOfRange |
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*/ |
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public function parse(NetworkInterface $network, BufferInterface $buffer) |
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{ |
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return $this->fromParser($network, new Parser($buffer)); |
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} |
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} |
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Bit-Wasp /
bitcoin-php
