https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getblockbynumber

        :param block: Block tag or number (optional)
        :type block: int or BLOCK_TAGS

        :param tx_objects: Return txs full object (optional)
        :type tx_objects: bool

        :return: block
        :rtype: dict or None

def eth_getBlockByNumber(self, block=BLOCK_TAG_LATEST, tx_objects=True):
        """https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getblockbynumber

        :param block: Block tag or number (optional)
        :type block: int or BLOCK_TAGS

        :param tx_objects: Return txs full object (optional)
        :type tx_objects: bool

        :return: block
        :rtype: dict or None
        """
        block = validate_block(block)
        result = yield from self.rpc_call('eth_getBlockByNumber',
                                          [block, tx_objects])
        # TODO: Update result response
        return result