Set up the name to point to the supplied address.
        The sender of the transaction must own the name, or
        its parent name.

        Example: If the caller owns ``parentname.eth`` with no subdomains
        and calls this method with ``sub.parentname.eth``,
        then ``sub`` will be created as part of this call.

        :param str name: ENS name to set up
        :param str address: name will point to this address, in checksum format. If ``None``,
            erase the record. If not specified, name will point to the owner's address.
        :param dict transact: the transaction configuration, like in
            :meth:`~web3.eth.Eth.sendTransaction`
        :raises InvalidName: if ``name`` has invalid syntax
        :raises UnauthorizedError: if ``'from'`` in `transact` does not own `name`

def setup_address(self, name, address=default, transact={}):
        """
        Set up the name to point to the supplied address.
        The sender of the transaction must own the name, or
        its parent name.

        Example: If the caller owns ``parentname.eth`` with no subdomains
        and calls this method with ``sub.parentname.eth``,
        then ``sub`` will be created as part of this call.

        :param str name: ENS name to set up
        :param str address: name will point to this address, in checksum format. If ``None``,
            erase the record. If not specified, name will point to the owner's address.
        :param dict transact: the transaction configuration, like in
            :meth:`~web3.eth.Eth.sendTransaction`
        :raises InvalidName: if ``name`` has invalid syntax
        :raises UnauthorizedError: if ``'from'`` in `transact` does not own `name`
        """
        owner = self.setup_owner(name, transact=transact)
        self._assert_control(owner, name)
        if is_none_or_zero_address(address):
            address = None
        elif address is default:
            address = owner
        elif is_binary_address(address):
            address = to_checksum_address(address)
        elif not is_checksum_address(address):
            raise ValueError("You must supply the address in checksum format")
        if self.address(name) == address:
            return None
        if address is None:
            address = EMPTY_ADDR_HEX
        transact['from'] = owner
        resolver = self._set_resolver(name, transact=transact)
        return resolver.functions.setAddr(raw_name_to_hash(name), address).transact(transact)