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<?php |
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namespace BitWasp\Bitcoin\Serializer\Key\HierarchicalKey; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Adapter\EcAdapterInterface; |
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use BitWasp\Bitcoin\Serializer\Types; |
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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 RawExtendedKeySerializer |
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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 \BitWasp\Buffertools\Types\ByteString |
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*/ |
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private $bytestring4; |
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/** |
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* @var \BitWasp\Buffertools\Types\Uint8 |
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*/ |
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private $uint8; |
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/** |
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* @var \BitWasp\Buffertools\Types\Uint32 |
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*/ |
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private $uint32; |
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/** |
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* @var \BitWasp\Buffertools\Types\ByteString |
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*/ |
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private $bytestring32; |
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/** |
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* @var \BitWasp\Buffertools\Types\ByteString |
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*/ |
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private $bytestring33; |
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/** |
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* RawExtendedKeySerializer constructor. |
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* @param EcAdapterInterface $ecAdapter |
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*/ |
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public function __construct(EcAdapterInterface $ecAdapter) |
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{ |
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$this->ecAdapter = $ecAdapter; |
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$this->bytestring4 = Types::bytestring(4); |
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$this->uint8 = Types::uint8(); |
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$this->uint32 = Types::uint32(); |
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$this->bytestring32 = Types::bytestring(32); |
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$this->bytestring33 = Types::bytestring(33); |
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} |
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/** |
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* @param RawKeyParams $keyParams |
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* @return BufferInterface |
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* @throws \Exception |
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*/ |
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public function serialize(RawKeyParams $keyParams) |
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{ |
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return new Buffer( |
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pack("H*", $keyParams->getPrefix()) . |
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$this->uint8->write($keyParams->getDepth()) . |
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$this->uint32->write($keyParams->getParentFingerprint()) . |
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$this->uint32->write($keyParams->getSequence()) . |
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$this->bytestring32->write($keyParams->getChainCode()) . |
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$this->bytestring33->write($keyParams->getKeyData()) |
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); |
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} |
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/** |
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* @param Parser $parser |
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* @return RawKeyParams |
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* @throws ParserOutOfRange |
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*/ |
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public function fromParser(Parser $parser) |
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{ |
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try { |
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return new RawKeyParams( |
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$this->bytestring4->read($parser)->getHex(), |
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$this->uint8->read($parser), |
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$this->uint32->read($parser), |
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$this->uint32->read($parser), |
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$this->bytestring32->read($parser), |
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$this->bytestring33->read($parser) |
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); |
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} catch (ParserOutOfRange $e) { |
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throw new ParserOutOfRange('Failed to extract HierarchicalKey from parser'); |
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} |
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} |
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} |
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Bit-Wasp /
bitcoin-php
