test_gas_costs()
Documentation for tests/byzantium/eip196_ec_add_mul/test_gas.py::test_gas_costs@7b8124a7.
Generate fixtures for these test cases for Osaka with:
fill -v tests/byzantium/eip196_ec_add_mul/test_gas.py::test_gas_costs --fork Osaka
Tests the constant gas behavior of ecadd/ecmul precompiled contracts.
Source code in tests/byzantium/eip196_ec_add_mul/test_gas.py
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62 | @pytest.mark.valid_from("Byzantium")
@pytest.mark.parametrize(
"address",
[
pytest.param(Spec.ECADD, id="ecadd"),
pytest.param(Spec.ECMUL, id="ecmul"),
],
)
@pytest.mark.parametrize("enough_gas", [True, False])
def test_gas_costs(
state_test: StateTestFiller,
pre: Alloc,
fork: Fork,
address: Address,
enough_gas: bool,
) -> None:
"""
Tests the constant gas behavior of `ecadd/ecmul` precompiled contracts.
"""
gas_costs = fork.gas_costs()
gas = (
gas_costs.G_PRECOMPILE_ECADD
if address == Spec.ECADD
else gas_costs.G_PRECOMPILE_ECMUL
)
if not enough_gas:
gas -= 1
account = pre.deploy_contract(
code=Op.SSTORE(0, Op.CALL(gas=gas, address=address)),
storage={0: 0xDEADBEEF},
)
tx = Transaction(
to=account,
sender=pre.fund_eoa(),
gas_limit=100_0000,
protected=fork.supports_protected_txs(),
)
post = {account: Account(storage={0: 1 if enough_gas else 0})}
state_test(pre=pre, post=post, tx=tx)
|
Parametrized Test Cases
This test generates 4 parametrized test cases across 11 forks.