def set_resolver(signer, github_handle, nonce, gas_multiplier=1.101):
if mock_request:
return '0x7bce7e4bcd2fea4d26f3d254bb8cf52b9ee8dd7353b19bfbc86803c27d9bbf39'
ns = ENS.fromWeb3(w3)
resolver_addr = ns.address('resolver.eth')
signer = Web3.toChecksumAddress(signer)
txn_hash = None
gas_price = get_gas_price(gas_multiplier)
subdomain = f"{github_handle}.{settings.ENS_TLD}"
transaction = {
'from': Web3.toChecksumAddress(settings.ENS_OWNER_ACCOUNT),
'value': 0,
'nonce': nonce,
'gas': Web3.toHex(RESOLVER_GAS_COST),
'gasPrice': Web3.toHex(int(float(gas_price))),
}
ens_contract = w3.eth.contract(address=ENS_MAINNET_ADDR, abi=ens_abi, )
txn = ens_contract.functions.setResolver(dot_eth_namehash(subdomain), resolver_addr, ).buildTransaction(transaction)
signed_txn = w3.eth.account.signTransaction(txn, private_key=settings.ENS_PRIVATE_KEY)
try:
txn_hash = convert_txn(w3.eth.sendRawTransaction(signed_txn.rawTransaction))
except ValueError as e:
logger.warning(f'{e} - set_resolver')
return txn_hash
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, in checksum format
:param str address: name will point to this address. 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 not address or address == EMPTY_ADDR_HEX:
address = None
elif address is default:
address = owner
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.setAddr(dot_eth_namehash(name), address, transact=transact)
def _set_resolver(self, name, resolver_addr=None, transact={}):
if not resolver_addr:
resolver_addr = self.address('resolver.eth')
namehash = dot_eth_namehash(name)
if self.ens.resolver(namehash) != resolver_addr:
self.ens.setResolver(namehash, resolver_addr, transact=transact)
return self._resolverContract(address=resolver_addr)
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, in checksum format
:param str address: name will point to this address. 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 not address or address == EMPTY_ADDR_HEX:
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.setAddr(dot_eth_namehash(name), address, transact=transact)
def _claim_ownership(self, owner, unowned, owned, old_owner=None, transact={}):
transact['from'] = old_owner or owner
for label in reversed(unowned):
self.ens.setSubnodeOwner(
dot_eth_namehash(owned),
label_to_hash(label),
owner,
transact=transact
)
owned = "%s.%s" % (label, owned)
def _claim_ownership(self, owner, unowned, owned, old_owner=None, transact={}):
transact['from'] = old_owner or owner
for label in reversed(unowned):
self.ens.setSubnodeOwner(
dot_eth_namehash(owned),
label_to_hash(label),
owner,
transact=transact
)
owned = "%s.%s" % (label, owned)
def resolve(self, name, get='addr'):
resolver = self.resolver(name)
if resolver:
lookup_function = getattr(resolver, get)
resolved = lookup_function(dot_eth_namehash(name))
if is_address(resolved):
resolved = to_checksum_address(resolved)
return resolved
else:
return None
def _set_resolver(self, name, resolver_addr=None, transact={}):
if not resolver_addr:
resolver_addr = self.address('resolver.eth')
namehash = dot_eth_namehash(name)
if self.ens.resolver(namehash) != resolver_addr:
self.ens.setResolver(
namehash,
resolver_addr,
transact=transact
)
return self._resolverContract(address=resolver_addr)
def owner(self, name):
'''
Get the owner of a name. Note that this may be different from the
deed holder in the '.eth' registrar. Learn more about the difference
between deed and name ownership in the ENS `Managing Ownership docs
<http://docs.ens.domains/en/latest/userguide.html#managing-ownership>`_
:param str name: ENS name to look up
:return: owner address
:rtype: str
'''
node = dot_eth_namehash(name)
return self.ens.owner(node)
def owner(self, name):
'''
Get the owner of a name. Note that this may be different from the
deed holder in the '.eth' registrar. Learn more about the difference
between deed and name ownership in the ENS `Managing Ownership docs
<http://docs.ens.domains/en/latest/userguide.html#managing-ownership>`_
:param str name: ENS name to look up
:return: owner address
:rtype: str
'''
node = dot_eth_namehash(name)
return self.ens.owner(node)
def set_resolver(signer, github_handle, nonce, gas_multiplier=1):
if mock_request:
return '0x7bce7e4bcd2fea4d26f3d254bb8cf52b9ee8dd7353b19bfbc86803c27d9bbf39'
ns = ENS.fromWeb3(w3)
resolver_addr = ns.address('resolver.eth')
signer = Web3.toChecksumAddress(signer)
txn_hash = None
gasPrice = recommend_min_gas_price_to_confirm_in_time(
1) * 10**9 if not settings.DEBUG else 15 * 10**9 * gas_multiplier
subdomain = f"{github_handle}.{settings.ENS_TLD}"
transaction = {
'from': Web3.toChecksumAddress(settings.ENS_OWNER_ACCOUNT),
'value': 0,
'nonce': nonce,
'gas': Web3.toHex(100000),
'gasPrice': Web3.toHex(int(float(gasPrice))),
}
ens_contract = w3.eth.contract(
address=ENS_MAINNET_ADDR,
abi=ens_abi,
)
txn = ens_contract.functions.setResolver(
dot_eth_namehash(subdomain),
resolver_addr,
).buildTransaction(transaction)
signed_txn = w3.eth.account.signTransaction(
txn, private_key=settings.ENS_PRIVATE_KEY)
txn_hash = w3.eth.sendRawTransaction(signed_txn.rawTransaction)
# hack to convert
# "b'7bce7e4bcd2fea4d26f3d254bb8cf52b9ee8dd7353b19bfbc86803c27d9bbf39'"
# to "0x7bce7e4bcd2fea4d26f3d254bb8cf52b9ee8dd7353b19bfbc86803c27d9bbf39"
txn_hash = str(binascii.b2a_hex(txn_hash)).replace("b'",
"0x").replace("'", "")
return txn_hash
def set_owner(signer, github_handle, nonce):
if mock_request:
return '0x7bce7e4bcd2fea4d26f3d254bb8cf52b9ee8dd7353b19bfbc86803c27d9bbf39'
owned = settings.ENS_TLD
label = github_handle
txn_hash = None
gasPrice = recommend_min_gas_price_to_confirm_in_time(
1) * 10**9 if not settings.DEBUG else 15 * 10**9
transaction = {
'from': Web3.toChecksumAddress(settings.ENS_OWNER_ACCOUNT),
'value': 0,
'nonce': nonce,
'gas': Web3.toHex(100000),
'gasPrice': Web3.toHex(int(float(gasPrice))),
}
ens_contract = w3.eth.contract(
address=ENS_MAINNET_ADDR,
abi=ens_abi,
)
txn = ens_contract.functions.setSubnodeOwner(
dot_eth_namehash(owned),
label_to_hash(label),
Web3.toChecksumAddress(settings.ENS_OWNER_ACCOUNT),
).buildTransaction(transaction)
signed_txn = w3.eth.account.signTransaction(
txn, private_key=settings.ENS_PRIVATE_KEY)
txn_hash = w3.eth.sendRawTransaction(signed_txn.rawTransaction)
# hack to convert
# "b'7bce7e4bcd2fea4d26f3d254bb8cf52b9ee8dd7353b19bfbc86803c27d9bbf39'"
# to "0x7bce7e4bcd2fea4d26f3d254bb8cf52b9ee8dd7353b19bfbc86803c27d9bbf39"
txn_hash = str(binascii.b2a_hex(txn_hash)).replace("b'",
"0x").replace("'", "")
return txn_hash
def _reverse_registrar(self):
addr = self.ens.owner(dot_eth_namehash(REVERSE_REGISTRAR_DOMAIN))
return self.web3.eth.contract(address=addr, abi=abis.REVERSE_REGISTRAR)
def resolver(self, name):
resolver_addr = self.ens.resolver(dot_eth_namehash(name))
if not resolver_addr:
return None
return self._resolverContract(address=resolver_addr)
