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<?php |
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declare(strict_types=1); |
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namespace BitWasp\Bitcoin\Networking\Structure; |
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use BitWasp\Bitcoin\Networking\Serializer\Structure\InventorySerializer; |
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use BitWasp\Bitcoin\Serializable; |
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use BitWasp\Buffertools\BufferInterface; |
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class Inventory extends Serializable |
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{ |
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const ERROR = 0; |
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const MSG_TX = 1; |
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const MSG_BLOCK = 2; |
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const MSG_FILTERED_BLOCK = 3; |
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const MSG_WITNESS_TX = (1 << 30) + self::MSG_TX; |
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const MSG_WITNESS_BLOCK = (1 << 30) + self::MSG_BLOCK; |
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/** |
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* @var int |
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*/ |
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private $type; |
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/** |
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* @var BufferInterface |
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*/ |
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private $hash; |
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/** |
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* @param int $type |
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* @param BufferInterface $hash |
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*/ |
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public function __construct(int $type, BufferInterface $hash) |
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{ |
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if (!$this->checkType($type)) { |
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throw new \InvalidArgumentException('Invalid type in InventoryVector'); |
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} |
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if (32 !== $hash->getSize()) { |
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throw new \InvalidArgumentException('Hash size must be 32 bytes'); |
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} |
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$this->type = $type; |
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$this->hash = $hash; |
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} |
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/** |
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* @param BufferInterface $hash |
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* @return Inventory |
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*/ |
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public static function tx(BufferInterface $hash): Inventory |
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{ |
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return new self(self::MSG_TX, $hash); |
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} |
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/** |
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* @param BufferInterface $hash |
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* @return Inventory |
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*/ |
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public static function witnessTx(BufferInterface $hash): Inventory |
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{ |
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return new self(self::MSG_WITNESS_TX, $hash); |
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} |
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/** |
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* @param BufferInterface $hash |
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* @return Inventory |
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*/ |
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public static function block(BufferInterface $hash): Inventory |
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{ |
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return new self(self::MSG_BLOCK, $hash); |
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} |
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/** |
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* @param BufferInterface $hash |
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* @return Inventory |
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*/ |
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public static function witnessBlock(BufferInterface $hash): Inventory |
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{ |
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return new self(self::MSG_WITNESS_BLOCK, $hash); |
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} |
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/** |
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* @param BufferInterface $hash |
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* @return Inventory |
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*/ |
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public static function filteredBlock(BufferInterface $hash): Inventory |
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{ |
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return new self(self::MSG_FILTERED_BLOCK, $hash); |
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} |
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/** |
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* @return int |
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*/ |
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public function getType(): int |
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{ |
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return $this->type; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isError(): bool |
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{ |
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return $this->type === self::ERROR; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isTx(): bool |
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{ |
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return $this->type === self::MSG_TX; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isWitnessTx(): bool |
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{ |
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return $this->type === self::MSG_WITNESS_TX; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isBlock(): bool |
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{ |
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return $this->type === self::MSG_BLOCK; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isWitnessBlock(): bool |
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{ |
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return $this->type === self::MSG_WITNESS_BLOCK; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isFilteredBlock(): bool |
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{ |
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return $this->type === self::MSG_FILTERED_BLOCK; |
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} |
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/** |
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* @return BufferInterface |
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*/ |
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public function getHash(): BufferInterface |
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{ |
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return $this->hash; |
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} |
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/** |
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* @param int $type |
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* @return bool |
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*/ |
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private function checkType(int $type): bool |
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{ |
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return in_array($type, [self::ERROR, self::MSG_TX, self::MSG_BLOCK, self::MSG_FILTERED_BLOCK]); |
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} |
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/** |
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* @return BufferInterface |
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*/ |
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public function getBuffer(): BufferInterface |
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{ |
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return (new InventorySerializer())->serialize($this); |
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} |
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} |
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Bit-Wasp /
bitcoin-p2p-php
