def test_time_based_gas_price_strategy(strategy_params, expected):
fixture_middleware = construct_result_generator_middleware({
'eth_getBlockByHash': _get_block_by_something,
'eth_getBlockByNumber': _get_block_by_something,
})
w3 = Web3(
provider=BaseProvider(),
middlewares=[fixture_middleware],
)
time_based_gas_price_strategy = construct_time_based_gas_price_strategy(
**strategy_params,
)
w3.eth.setGasPriceStrategy(time_based_gas_price_strategy)
actual = w3.eth.generate_gas_price()
assert actual == expected
def test_time_based_gas_price_strategy_zero_sample(strategy_params_zero,
expected_exception_message):
with pytest.raises(ValidationError) as excinfo:
fixture_middleware = construct_result_generator_middleware({
'eth_getBlockByHash': _get_block_by_something,
'eth_getBlockByNumber': _get_block_by_something,
})
w3 = Web3(
provider=BaseProvider(),
middlewares=[fixture_middleware],
)
time_based_gas_price_strategy_zero = construct_time_based_gas_price_strategy(
**strategy_params_zero,
)
w3.eth.setGasPriceStrategy(time_based_gas_price_strategy_zero)
w3.eth.generate_gas_price()
assert str(excinfo.value) == expected_exception_message
def w3_base():
return Web3(providers=[BaseProvider()], middlewares=[])
def w3():
w3 = Web3(provider=BaseProvider(), middlewares=[])
w3.ens = TempENS({NAME: ADDRESS})
w3.middleware_onion.add(name_to_address_middleware(w3))
return w3