`eth_getBlockByHash`
        `eth_getBlockByNumber`

def getBlock(self, block_identifier, full_transactions=False):
        """
        `eth_getBlockByHash`
        `eth_getBlockByNumber`
        """
        method = select_method_for_block_identifier(
            block_identifier,
            if_predefined='eth_getBlockByNumber',
            if_hash='eth_getBlockByHash',
            if_number='eth_getBlockByNumber',
        )

        result = self.web3.manager.request_blocking(
            method,
            [block_identifier, full_transactions],
        )
        if result is None:
            raise BlockNotFound(f"Block with id: {block_identifier} not found.")
        return result