def setup_name(
self,
name: str,
address: Optional[ChecksumAddress] = None,
transact: Optional["TxParams"] = None
) -> HexBytes:
"""
Set up the address for reverse lookup, aka "caller ID".
After successful setup, the method :meth:`~ens.main.ENS.name` will return
`name` when supplied with `address`.
:param str name: ENS name that address will point to
:param str address: to set up, in checksum format
:param dict transact: the transaction configuration, like in
:meth:`~web3.eth.send_transaction`
:raises AddressMismatch: if the name does not already point to the address
:raises InvalidName: if `name` has invalid syntax
:raises UnauthorizedError: if ``'from'`` in `transact` does not own `name`
:raises UnownedName: if no one owns `name`
"""
if not transact:
transact = {}
transact = deepcopy(transact)
if not name:
self._assert_control(address, 'the reverse record')
return self._setup_reverse(None, address, transact=transact)
else:
resolved = self.address(name)
if is_none_or_zero_address(address):
address = resolved
elif resolved and address != resolved and resolved != EMPTY_ADDR_HEX:
raise AddressMismatch(
f"Could not set address {address!r} to point to name, "
f"because the name resolves to {resolved!r}. "
"To change the name for an existing address, call "
"setup_address() first."
)
if is_none_or_zero_address(address):
address = self.owner(name)
if is_none_or_zero_address(address):
raise UnownedName("claim subdomain using setup_address() first")
if is_binary_address(address):
address = to_checksum_address(address)
if not is_checksum_address(address):
raise ValueError("You must supply the address in checksum format")
self._assert_control(address, name)
if not resolved:
self.setup_address(name, address, transact=transact)
return self._setup_reverse(name, address, transact=transact)
def setup_name(self, name, address=None, transact={}):
'''
Set up the address for reverse lookup, aka "caller ID".
After successful setup, the method :meth:`~ens.main.ENS.name` will return
`name` when supplied with `address`.
:param str name: ENS name that address will point to
:param str address: to set up, in checksum format
:param dict transact: the transaction configuration, like in
:meth:`~web3.eth.sendTransaction`
:raises AddressMismatch: if the name does not already point to the address
:raises InvalidName: if `name` has invalid syntax
:raises UnauthorizedError: if ``'from'`` in `transact` does not own `name`
:raises UnownedName: if no one owns `name`
'''
if not name:
self._assert_control(address, 'the reverse record')
return self._setup_reverse(None, address, transact=transact)
else:
resolved = self.address(name)
if not address:
address = resolved
elif resolved and address != resolved:
raise AddressMismatch(
"Could not set address %r to point to name, because the name resolves to %r. "
"To change the name for an existing address, call setup_address() first."
% (address, resolved))
if not address:
address = self.owner(name)
if not address:
raise UnownedName(
"claim subdomain using setup_address() first")
if is_binary_address(address):
address = to_checksum_address(address)
if not is_checksum_address(address):
raise ValueError(
"You must supply the address in checksum format")
self._assert_control(address, name)
if not resolved:
self.setup_address(name, address, transact=transact)
return self._setup_reverse(name, address, transact=transact)