nucypher/tests/acceptance/blockchain/deployers/test_token_deployer.py

56 lines
2.1 KiB
Python

"""
This file is part of nucypher.
nucypher is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
nucypher is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with nucypher. If not, see <https://www.gnu.org/licenses/>.
"""
import pytest
from nucypher.blockchain.eth.agents import NucypherTokenAgent
from nucypher.blockchain.eth.deployers import NucypherTokenDeployer
from nucypher.blockchain.eth.interfaces import BaseContractRegistry
def test_token_deployer_and_agent(testerchain, deployment_progress, test_registry):
origin = testerchain.etherbase_account
# Trying to get token from blockchain before it's been published fails
with pytest.raises(BaseContractRegistry.UnknownContract):
NucypherTokenAgent(registry=test_registry)
# The big day...
deployer = NucypherTokenDeployer(registry=test_registry, deployer_address=origin)
deployment_receipts = deployer.deploy(progress=deployment_progress)
for title, receipt in deployment_receipts.items():
assert receipt['status'] == 1
# deployment steps must match expected number of steps
assert deployment_progress.num_steps == len(deployer.deployment_steps) == 1
# Create a token instance
token_agent = deployer.make_agent()
token_contract = token_agent.contract
expected_token_supply = token_contract.functions.totalSupply().call()
assert expected_token_supply == token_agent.contract.functions.totalSupply().call()
# Retrieve the token from the blockchain
same_token_agent = NucypherTokenAgent(registry=test_registry)
# Compare the contract address for equality
assert token_agent.contract_address == same_token_agent.contract_address
assert token_agent == same_token_agent # __eq__