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<?php |
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namespace BitWasp\Bitcoin\Networking\Serializer\Message; |
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use BitWasp\Bitcoin\Bitcoin; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\EcSerializer; |
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use BitWasp\Bitcoin\Networking\Messages\Alert; |
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use BitWasp\Bitcoin\Networking\Serializer\Structure\AlertDetailSerializer; |
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use BitWasp\Buffertools\Buffertools; |
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use BitWasp\Buffertools\Parser; |
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use BitWasp\Buffertools\TemplateFactory; |
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class AlertSerializer |
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{ |
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/** |
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* @var AlertDetailSerializer |
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*/ |
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private $detail; |
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/** |
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* @param AlertDetailSerializer $detail |
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*/ |
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public function __construct(AlertDetailSerializer $detail) |
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{ |
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$this->detail = $detail; |
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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 getSigBuf() |
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{ |
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return (new TemplateFactory()) |
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->varstring() |
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->getTemplate(); |
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} |
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/** |
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* @param Parser $parser |
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* @return Alert |
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*/ |
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public function fromParser(Parser & $parser) |
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{ |
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$detail = $this->detail->fromParser($parser); |
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list ($sigBuffer) = $this->getSigBuf()->parse($parser); |
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$adapter = Bitcoin::getEcAdapter(); |
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$serializer = EcSerializer::getSerializer($adapter, 'BitWasp\Bitcoin\Crypto\EcAdapter\Serializer\Signature\DerSignatureSerializerInterface'); |
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$sig = $serializer->parse($sigBuffer); |
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return new Alert( |
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$detail, |
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$sig |
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); |
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} |
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/** |
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* @param $data |
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* @return Alert |
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*/ |
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public function parse($data) |
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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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* @param Alert $alert |
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* @return \BitWasp\Buffertools\Buffer |
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*/ |
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public function serialize(Alert $alert) |
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{ |
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$detail = $alert->getDetail()->getBuffer(); |
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$sig = $this->getSigBuf()->write([$alert->getSignature()->getBuffer()]); |
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return Buffertools::concat( |
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$detail, |
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$sig |
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); |
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} |
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} |
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Bit-Wasp /
bitcoin-p2p-php
