nucypher/tests/blockchain/eth/interfaces/test_chains.py

88 lines
3.2 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.interfaces import BlockchainDeployerInterface
from nucypher.blockchain.eth.registry import InMemoryEthereumContractRegistry
# Prevents TesterBlockchain to be picked up by py.test as a test class
from nucypher.utilities.sandbox.blockchain import TesterBlockchain as _TesterBlockchain
from nucypher.utilities.sandbox.constants import (
DEVELOPMENT_ETH_AIRDROP_AMOUNT,
NUMBER_OF_ETH_TEST_ACCOUNTS,
NUMBER_OF_STAKERS_IN_BLOCKCHAIN_TESTS,
NUMBER_OF_URSULAS_IN_BLOCKCHAIN_TESTS,
TEST_PROVIDER_URI
)
@pytest.fixture()
def another_testerchain(solidity_compiler):
testerchain = _TesterBlockchain(eth_airdrop=True, free_transactions=True)
testerchain.deployer_address = testerchain.etherbase_account
yield testerchain
testerchain.disconnect()
def test_testerchain_creation(testerchain, another_testerchain):
chains = (testerchain, another_testerchain)
for chain in chains:
# Ensure we are testing on the correct network...
assert 'tester' in chain.provider_uri
# ... and that there are already some blocks mined
assert chain.w3.eth.blockNumber > 0
# Check that we have enough test accounts
assert len(chain.client.accounts) >= NUMBER_OF_ETH_TEST_ACCOUNTS
# Check that distinguished accounts are assigned
etherbase = chain.etherbase_account
assert etherbase == chain.client.accounts[0]
alice = chain.alice_account
assert alice == chain.client.accounts[1]
bob = chain.bob_account
assert bob == chain.client.accounts[2]
stakers = [chain.staker_account(i) for i in range(NUMBER_OF_STAKERS_IN_BLOCKCHAIN_TESTS)]
assert stakers == chain.stakers_accounts
ursulas = [chain.ursula_account(i) for i in range(NUMBER_OF_URSULAS_IN_BLOCKCHAIN_TESTS)]
assert ursulas == chain.ursulas_accounts
# Check that the remaining accounts are different from the previous ones:
assert set([etherbase, alice, bob] + ursulas + stakers).isdisjoint(set(chain.unassigned_accounts))
# Check that accounts are funded
for account in chain.client.accounts:
assert chain.client.get_balance(account) >= DEVELOPMENT_ETH_AIRDROP_AMOUNT
# Check that accounts can send transactions
for account in chain.client.accounts:
balance = chain.client.get_balance(account)
assert balance
tx = {'to': etherbase, 'from': account, 'value': 100}
txhash = chain.client.send_transaction(tx)
_receipt = chain.wait_for_receipt(txhash)