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<?php |
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namespace BitWasp\Bitcoin\Transaction; |
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use BitWasp\Bitcoin\Serializable; |
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use BitWasp\Bitcoin\Serializer\Transaction\OutPointSerializer; |
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use BitWasp\Bitcoin\Util\IntRange; |
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use BitWasp\Buffertools\Buffer; |
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use BitWasp\Buffertools\BufferInterface; |
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use BitWasp\CommonTrait\FunctionAliasArrayAccess; |
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class OutPoint extends Serializable implements OutPointInterface |
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{ |
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/** |
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* @var BufferInterface |
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*/ |
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private $hashPrevOutput; |
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/** |
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* @var int |
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*/ |
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private $nPrevOutput; |
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/** |
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* OutPoint constructor. |
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* @param BufferInterface $hashPrevOutput |
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* @param int $nPrevOutput |
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*/ |
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2536 |
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public function __construct(BufferInterface $hashPrevOutput, $nPrevOutput) |
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{ |
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if ($hashPrevOutput->getSize() !== 32) { |
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throw new \InvalidArgumentException('OutPoint: hashPrevOut must be a 32-byte Buffer'); |
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} |
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if ($nPrevOutput < 0 || $nPrevOutput > IntRange::U32_MAX) { |
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throw new \InvalidArgumentException('nPrevOut must be between 0 and 0xffffffff'); |
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} |
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$this->hashPrevOutput = $hashPrevOutput; |
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$this->nPrevOutput = $nPrevOutput; |
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2534 |
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} |
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/** |
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* @return static |
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*/ |
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public static function makeCoinbase() |
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{ |
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return new static(new Buffer("", 32), 0xffffffff); |
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} |
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/** |
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* @return BufferInterface |
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*/ |
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public function getTxId() |
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{ |
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return $this->hashPrevOutput; |
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} |
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/** |
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* @return int |
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*/ |
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public function getVout() |
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{ |
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return $this->nPrevOutput; |
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} |
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/** |
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* @param OutPointInterface $outPoint |
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* @return int |
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*/ |
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public function equals(OutPointInterface $outPoint) |
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{ |
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$txid = strcmp($this->getTxId()->getBinary(), $outPoint->getTxId()->getBinary()); |
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if ($txid !== 0) { |
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return false; |
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} |
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return gmp_cmp($this->getVout(), $outPoint->getVout()) === 0; |
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} |
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/** |
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* @return BufferInterface |
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*/ |
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public function getBuffer() |
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{ |
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return (new OutPointSerializer())->serialize($this); |
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} |
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} |
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Bit-Wasp /
bitcoin-php
