def ens(self):
if self._ens is empty:
return ENS.fromWebu(self)
else:
return self._ens
def ens_setup():
w3 = Webu(HappyUCTesterProvider(HappyUCTester()))
# ** Set up ENS contracts **
# remove account that creates ENS, so test transactions don't have write access
accounts = w3.eth.accounts
ens_key = accounts.pop()
# create ENS contract
eth_labelhash = w3.sha3(text='eth')
eth_namehash = bytes32(0x93cdeb708b7545dc668eb9280176169d1c33cfd8ed6f04690a0bcc88a93fc4ae)
resolver_namehash = bytes32(0xfdd5d5de6dd63db72bbc2d487944ba13bf775b50a80805fe6fcaba9b0fba88f5)
reverse_tld_namehash = bytes32(0xa097f6721ce401e757d1223a763fef49b8b5f90bb18567ddb86fd205dff71d34) # noqa: E501
reverser_namehash = bytes32(0x91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2)
ens_contract = deploy(w3, ENSFactory, ens_key)
# create public resolver
public_resolver = deploy(w3, PublicResolverFactory, ens_key, args=[ens_contract.address])
# set 'resolver.eth' to resolve to public resolver
ens_contract.functions.setSubnodeOwner(
b'\0' * 32,
eth_labelhash,
ens_key
).transact({'from': ens_key})
ens_contract.functions.setSubnodeOwner(
eth_namehash,
w3.sha3(text='resolver'),
ens_key
).transact({'from': ens_key})
ens_contract.functions.setResolver(
resolver_namehash,
public_resolver.address
).transact({'from': ens_key})
public_resolver.functions.setAddr(
resolver_namehash,
public_resolver.address
).transact({'from': ens_key})
# create .eth auction registrar
eth_registrar = deploy(
w3,
ETHRegistrarFactory,
ens_key,
args=[ens_contract.address, eth_namehash, 1],
)
# set '.eth' to resolve to the registrar
ens_contract.functions.setResolver(
eth_namehash,
public_resolver.address
).transact({'from': ens_key})
public_resolver.functions.setAddr(
eth_namehash,
eth_registrar.address
).transact({'from': ens_key})
# create reverse resolver
reverse_resolver = deploy(w3, DefaultReverseResolver, ens_key, args=[ens_contract.address])
# create reverse registrar
reverse_registrar = deploy(
w3,
ReverseRegistrar,
ens_key,
args=[ens_contract.address, reverse_resolver.address]
)
# set 'addr.reverse' to resolve to reverse registrar
ens_contract.functions.setSubnodeOwner(
b'\0' * 32,
w3.sha3(text='reverse'),
ens_key
).transact({'from': ens_key})
ens_contract.functions.setSubnodeOwner(
reverse_tld_namehash,
w3.sha3(text='addr'),
ens_key
).transact({'from': ens_key})
ens_contract.functions.setResolver(
reverser_namehash,
public_resolver.address
).transact({'from': ens_key})
public_resolver.functions.setAddr(
reverser_namehash,
reverse_registrar.address
).transact({'from': ens_key})
# set owner of tester.eth to an account controlled by tests
ens_contract.functions.setSubnodeOwner(
eth_namehash,
w3.sha3(text='tester'),
w3.eth.accounts[2] # note that this does not have to be the default, only in the list
).transact({'from': ens_key})
# make the registrar the owner of the 'eth' name
ens_contract.functions.setSubnodeOwner(
b'\0' * 32,
eth_labelhash,
eth_registrar.address
).transact({'from': ens_key})
# make the reverse registrar the owner of the 'addr.reverse' name
ens_contract.functions.setSubnodeOwner(
reverse_tld_namehash,
w3.sha3(text='addr'),
reverse_registrar.address
).transact({'from': ens_key})
return ENS.fromWebu(w3, ens_contract.address)
