test_blob_tx_attribute_gasprice_opcode()

Documentation for tests/cancun/eip4844_blobs/test_blob_txs.py::test_blob_tx_attribute_gasprice_opcode@892e6d1e.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/cancun/eip4844_blobs/test_blob_txs.py::test_blob_tx_attribute_gasprice_opcode --fork Amsterdam

Test GASPRICE opcode to sanity check that the blob gas fee does not affect its calculation.

• No priority fee
• Priority fee below data fee
• Priority fee above data fee

Source code in tests/cancun/eip4844_blobs/test_blob_txs.py

@pytest.mark.parametrize("tx_max_priority_fee_per_gas", [0, 2])
# normal and above priority fee:
@pytest.mark.parametrize("tx_max_fee_per_blob_gas_delta", [0, 1])
# always above priority fee (FOR CANCUN)
@pytest.mark.parametrize("tx_max_fee_per_gas", [100])
@pytest.mark.parametrize("opcode", [Op.GASPRICE], indirect=True)
@pytest.mark.parametrize("tx_gas", [500_000])
@pytest.mark.valid_from("Cancun")
def test_blob_tx_attribute_gasprice_opcode(
    state_test: StateTestFiller,
    pre: Alloc,
    sender: EOA,
    tx_value: int,
    tx_gas: int,
    tx_calldata: bytes,
    tx_max_fee_per_gas: int,
    tx_max_fee_per_blob_gas: int,
    tx_max_priority_fee_per_gas: int,
    tx_access_list: List[AccessList],
    blob_hashes_per_tx: List[List[bytes]],
    opcode: Tuple[Bytecode, Storage.StorageDictType],
    state_env: Environment,
) -> None:
    """
    Test GASPRICE opcode to sanity check that the blob gas fee does not affect
    its calculation.

    - No priority fee
    - Priority fee below data fee
    - Priority fee above data fee
    """
    code, storage = opcode
    destination_account = pre.deploy_contract(code=code)
    tx = Transaction(
        ty=Spec.BLOB_TX_TYPE,
        sender=sender,
        to=destination_account,
        value=tx_value,
        gas_limit=tx_gas,
        data=tx_calldata,
        max_fee_per_gas=tx_max_fee_per_gas,
        max_priority_fee_per_gas=tx_max_priority_fee_per_gas,
        max_fee_per_blob_gas=tx_max_fee_per_blob_gas,
        access_list=tx_access_list,
        blob_versioned_hashes=blob_hashes_per_tx[0],
    )
    post = {
        destination_account: Account(
            storage=storage,
        )
    }
    state_test(
        pre=pre,
        post=post,
        tx=tx,
        env=state_env,
    )

Parametrized Test Cases

This test generates 4 parametrized test cases across 4 forks.