def ComputeRoot(hashes):
        """
        Compute the root hash.

        Args:
            hashes (list): the list of hashes to build the root from.

        Returns:
            bytes: the root hash.
        """
        if not len(hashes):
            raise Exception('Hashes must have length')
        if len(hashes) == 1:
            return hashes[0]

        tree = MerkleTree(hashes)
        return tree.Root.Hash
Compute the root hash.

        Args:
            hashes (list): the list of hashes to build the root from.

        Returns:
            bytes: the root hash.