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<?php |
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declare(strict_types=1); |
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namespace BitWasp\Bitcoin\Networking\Serializer\Structure; |
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use BitWasp\Bitcoin\Networking\Structure\Inventory; |
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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\Parser; |
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use BitWasp\Buffertools\TemplateFactory; |
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class InventorySerializer |
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{ |
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/** |
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* @var \BitWasp\Buffertools\Types\Uint32 |
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*/ |
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private $uint32le; |
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/** |
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* @var \BitWasp\Buffertools\Types\ByteString |
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*/ |
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private $bytestring32le; |
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public function __construct() |
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{ |
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$this->uint32le = Types::uint32le(); |
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$this->bytestring32le = Types::bytestringle(32); |
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} |
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/** |
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* @return \BitWasp\Buffertools\Template |
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*/ |
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public function getTemplate() |
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{ |
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return (new TemplateFactory()) |
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->uint32le() |
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->bytestringle(32) |
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->getTemplate(); |
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} |
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/** |
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* @param Inventory $inv |
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* @return BufferInterface |
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*/ |
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public function serialize(Inventory $inv): BufferInterface |
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{ |
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$flags = $this->uint32le->write($inv->getType()); |
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$hash = $this->bytestring32le->write($inv->getHash()); |
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return new Buffer("{$flags}{$hash}"); |
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} |
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/** |
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* @param Parser $parser |
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* @return Inventory |
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*/ |
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public function fromParser(Parser $parser): Inventory |
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{ |
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return new Inventory( |
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(int) $this->uint32le->read($parser), |
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$this->bytestring32le->read($parser) |
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); |
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} |
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/** |
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* @param BufferInterface $data |
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* @return Inventory |
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*/ |
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public function parse(BufferInterface $data): Inventory |
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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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