nucypher/tests/unit/test_blockchain_interface.py

44 lines
1.9 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/>.
"""
from web3.gas_strategies import time_based
from nucypher.blockchain.eth.interfaces import BlockchainInterface
def test_get_gas_strategy():
# Testing Web3's bundled time-based gas strategies
bundled_gas_strategies = {'glacial': time_based.glacial_gas_price_strategy, # 24h
'slow': time_based.slow_gas_price_strategy, # 1h
'medium': time_based.medium_gas_price_strategy, # 5m
'fast': time_based.fast_gas_price_strategy # 60s
}
for gas_strategy_name, expected_gas_strategy in bundled_gas_strategies.items():
gas_strategy = BlockchainInterface.get_gas_strategy(gas_strategy_name)
assert expected_gas_strategy == gas_strategy
assert callable(gas_strategy)
# Passing a callable gas strategy
callable_gas_strategy = time_based.glacial_gas_price_strategy
assert callable_gas_strategy == BlockchainInterface.get_gas_strategy(callable_gas_strategy)
# Passing None should retrieve the default gas strategy
assert BlockchainInterface.DEFAULT_GAS_STRATEGY == 'fast'
default = bundled_gas_strategies[BlockchainInterface.DEFAULT_GAS_STRATEGY]
gas_strategy = BlockchainInterface.get_gas_strategy()
assert default == gas_strategy