def get_block(self, block_id):
        """Get the block with the specified `block_id`.

        Returns the block corresponding to `block_id` or None if no match is
        found.

        Args:
            block_id (int): block id of the block to get.
        """

        block = backend.query.get_block(self.connection, block_id)
        latest_block = self.get_latest_block()
        latest_block_height = latest_block['height'] if latest_block else 0

        if not block and block_id > latest_block_height:
            return

        result = {'height': block_id,
                  'transactions': []}

        if block:
            transactions = backend.query.get_transactions(self.connection, block['transactions'])
            result['transactions'] = [t.to_dict() for t in Transaction.from_db(self, transactions)]

        return result
Get the block with the specified `block_id`.

        Returns the block corresponding to `block_id` or None if no match is
        found.

        Args:
            block_id (int): block id of the block to get.