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<?php |
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declare(strict_types=1); |
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namespace BitWasp\Bitcoin\Networking\Messages; |
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use BitWasp\Bitcoin\Networking\Message; |
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use BitWasp\Bitcoin\Networking\NetworkSerializable; |
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use BitWasp\Bitcoin\Networking\Serializer\Message\AddrSerializer; |
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use BitWasp\Bitcoin\Networking\Serializer\Structure\NetworkAddressTimestampSerializer; |
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use BitWasp\Bitcoin\Networking\Structure\NetworkAddressTimestamp; |
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use BitWasp\Buffertools\BufferInterface; |
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class Addr extends NetworkSerializable implements \Countable |
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{ |
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/** |
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* Address of other nodes on the network. As it types the |
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* NetworkAddressTimestamp type, it is incompatible with |
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* nodes with a version <31402 |
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* @var NetworkAddressTimestamp[] |
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*/ |
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private $addresses = []; |
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/** |
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* @param NetworkAddressTimestamp[] $addresses |
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*/ |
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public function __construct(array $addresses = []) |
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{ |
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foreach ($addresses as $addr) { |
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$this->addAddress($addr); |
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} |
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} |
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/** |
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* @param NetworkAddressTimestamp $address |
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* @return $this |
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*/ |
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private function addAddress(NetworkAddressTimestamp $address) |
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{ |
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$this->addresses[] = $address; |
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return $this; |
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} |
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/** |
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* @see https://en.bitcoin.it/wiki/Protocol_documentation#addr |
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* @return string |
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*/ |
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public function getNetworkCommand(): string |
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{ |
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return Message::ADDR; |
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} |
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/** |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return count($this->addresses); |
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} |
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/** |
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* @return NetworkAddressTimestamp[] |
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*/ |
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public function getAddresses(): array |
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{ |
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return $this->addresses; |
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} |
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/** |
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* @param int $index |
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* @return NetworkAddressTimestamp |
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* @throws \InvalidArgumentException |
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*/ |
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public function getAddress(int $index): NetworkAddressTimestamp |
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{ |
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if (false === isset($this->addresses[$index])) { |
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throw new \InvalidArgumentException('No address exists at this index'); |
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} |
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return $this->addresses[$index]; |
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} |
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/** |
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* @see \BitWasp\Bitcoin\SerializableInterface::getBuffer() |
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*/ |
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public function getBuffer(): BufferInterface |
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{ |
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return (new AddrSerializer(new NetworkAddressTimestampSerializer()))->serialize($this); |
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} |
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} |
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