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<?php |
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namespace BitWasp\Bitcoin\Networking\Serializer\Message; |
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use BitWasp\Bitcoin\Networking\Messages\Version; |
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use BitWasp\Bitcoin\Networking\Serializer\Structure\NetworkAddressSerializer; |
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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 VersionSerializer |
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{ |
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/** |
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* @var NetworkAddressSerializer |
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*/ |
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private $netAddr; |
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private $uint32le; |
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private $uint64le; |
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private $bs26le; |
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private $varstring; |
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private $uint8le; |
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/** |
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* @param NetworkAddressSerializer $netAddr |
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*/ |
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public function __construct(NetworkAddressSerializer $netAddr) |
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{ |
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$this->netAddr = $netAddr; |
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$this->uint32le = Types::uint32le(); |
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$this->uint64le = Types::uint64le(); |
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$this->bs26le = Types::bytestringle(26); |
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$this->varstring = Types::varstring(); |
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$this->uint8le = Types::uint8le(); |
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} |
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/** |
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* @param Parser $parser |
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* @return Version |
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*/ |
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public function fromParser(Parser $parser) |
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{ |
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list ($version, $services, $timestamp, |
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$addrRecv, $addrFrom, $nonce, |
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$userAgent, $startHeight, $relay) = [ |
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$this->uint32le->read($parser), |
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$this->uint64le->read($parser), |
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$this->uint64le->read($parser), |
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$this->netAddr->fromParser($parser), |
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$this->netAddr->fromParser($parser), |
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$this->uint64le->read($parser), |
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$this->varstring->read($parser), |
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$this->uint32le->read($parser), |
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$this->uint8le->read($parser), |
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]; |
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return new Version( |
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(int) $version, |
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(int) $services, |
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(int) $timestamp, |
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$addrRecv, |
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$addrFrom, |
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(int) $nonce, |
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$userAgent, |
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(int) $startHeight, |
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(bool)$relay |
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); |
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} |
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/** |
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* @param BufferInterface $string |
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* @return Version |
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*/ |
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public function parse(BufferInterface $string): Version |
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{ |
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return $this->fromParser(new Parser($string)); |
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} |
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/** |
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* @param Version $version |
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* @return \BitWasp\Buffertools\Buffer |
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*/ |
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public function serialize(Version $version) |
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{ |
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return new Buffer( |
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sprintf( |
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"%s%s%s%s%s%s%s%s%s", |
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$this->uint32le->write($version->getVersion()), |
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$this->uint64le->write($version->getServices()), |
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$this->uint64le->write($version->getTimestamp()), |
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$this->netAddr->serialize($version->getRecipientAddress())->getBinary(), |
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$this->netAddr->serialize($version->getSenderAddress())->getBinary(), |
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$this->uint64le->write($version->getNonce()), |
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$this->varstring->write($version->getUserAgent()), |
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$this->uint32le->write($version->getStartHeight()), |
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$this->uint8le->write((int) $version->getRelay()) |
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) |
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); |
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} |
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} |
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Bit-Wasp /
bitcoin-p2p-php
