public function testPushDataOps()
{
$data = json_decode(file_get_contents(__DIR__ . "/data/pushdataops.json"), true);
foreach ($data as $row) {
$script = RawTransaction::pushdata($row['string']);
$op = substr($script, 0, 2);
$this->assertSame($row['op'], $op);
}
}
/**
* add OP_RETURN output
*
* $data will be bin2hex and will be prefixed with a proper OP_PUSHDATA
*
* @param string $data
* @param bool $allowNonStandard when TRUE will allow scriptPubKey > 40 bytes (so $data > 39 bytes)
* @throws BlocktrailSDKException
*/
public function addOpReturn($data, $allowNonStandard = false)
{
$pushdata = RawTransaction::pushdata(bin2hex($data));
if (!$allowNonStandard && strlen($pushdata) / 2 > 40) {
throw new BlocktrailSDKException("OP_RETURN data should be <= 39 bytes to remain standard!");
}
$this->addOutput(['scriptPubKey' => self::OP_RETURN . RawTransaction::pushdata(bin2hex($data)), 'value' => 0]);
}
