def retrieve(self, block_height, headers=None):
        """Retrieves the block with the given ``block_height``.

        Args:
            block_height (str): height of the block to retrieve.
            headers (dict): Optional headers to pass to the request.

        Returns:
            dict: The block with the given ``block_height``.

        """
        path = self.path + block_height
        return self.transport.forward_request(
            method='GET', path=path, headers=None)