/**
* @param ScriptInterface $script
* @return $this
*/
public function concat(ScriptInterface $script)
{
$this->script .= $script->getBinary();
return $this;
}
/**
* @param TransactionInterface $tx
* @param ScriptInterface $scriptPubKey
* @param int $nInputToSign
* @return bool
*/
public function verify(TransactionInterface $tx, ScriptInterface $scriptPubKey, $nInputToSign)
{
$error = 0;
return (bool) bitcoinconsensus_verify_script($scriptPubKey->getBinary(), $tx->getBinary(), $nInputToSign, $this->flags->getFlags(), $error);
}