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<?php
namespace BitWasp\Bitcoin\Transaction;
use BitWasp\Bitcoin\Script\Consensus\ConsensusInterface;
class Validator implements ValidatorInterface
{
/**
* @var TransactionInterface
*/
private $transaction;
* Validator constructor.
* @param TransactionInterface $transaction
public function __construct(TransactionInterface $transaction)
$this->transaction = $transaction;
}
* @param ConsensusInterface $consensus
* @param int $nInput
* @param TransactionOutputInterface $output
* @return bool
public function checkSignature(ConsensusInterface $consensus, $nInput, TransactionOutputInterface $output)
$witnesses = $this->transaction->getWitnesses();
$witness = isset($witnesses[$nInput]) ? $witnesses[$nInput] : null;
return $consensus->verify($this->transaction, $output->getScript(), $nInput, $output->getValue(), $witness);
* @param TransactionOutputInterface[] $outputs
public function checkSignatures(ConsensusInterface $consensus, array $outputs)
if (count($this->transaction->getInputs()) !== count($outputs)) {
throw new \InvalidArgumentException('Incorrect scriptPubKey count');
$result = true;
foreach ($outputs as $i => $txOut) {
$result = $result && $this->checkSignature($consensus, $i, $txOut);
return $result;
Bit-Wasp /
bitcoin-php
