/**
* Add a checksum to the tree hash directly
*
* @param string $checksum The checksum to add
* @param bool $inBinaryForm Whether or not the checksum is already in binary form
*
* @return self
* @throws LogicException if the root tree hash is already calculated
*/
public function addChecksum($checksum, $inBinaryForm = false)
{
// Error if hash is already calculated
if ($this->hash) {
throw new LogicException('You may not add more checksums to a finalized tree hash.');
}
// Convert the checksum to binary form if necessary
$this->checksums[] = $inBinaryForm ? $checksum : HashUtils::hexToBin($checksum);
return $this;
}
