test_correct_decreasing_blob_gas_costs()

Documentation for tests/cancun/eip4844_blobs/test_excess_blob_gas.py::test_correct_decreasing_blob_gas_costs@e9958ed2.

Generate fixtures for these test cases for Osaka with:

fill -v tests/cancun/eip4844_blobs/test_excess_blob_gas.py::test_correct_decreasing_blob_gas_costs --fork Osaka

Test calculation of the excessBlobGas and blob gas tx costs at value points where the cost decreases to interesting amounts.

See test_correct_increasing_blob_gas_costs.

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

@pytest.mark.parametrize_by_fork(
    "parent_excess_blobs",
    generate_blob_gas_cost_increases_tests(0),
)
@pytest.mark.parametrize_by_fork(
    "parent_blobs",
    lambda fork: [fork.target_blobs_per_block() - 1],
)
@pytest.mark.parametrize("new_blobs", [1])
def test_correct_decreasing_blob_gas_costs(
    blockchain_test: BlockchainTestFiller,
    env: Environment,
    pre: Mapping[Address, Account],
    blocks: List[Block],
    post: Mapping[Address, Account],
    correct_excess_blob_gas: int,
) -> None:
    """
    Test calculation of the `excessBlobGas` and blob gas tx costs at value
    points where the cost decreases to interesting amounts.

    See test_correct_increasing_blob_gas_costs.
    """
    blockchain_test(
        pre=pre,
        post=post,
        blocks=blocks,
        genesis_environment=env,
        tag=f"expected_excess_blob_gas:{hex(correct_excess_blob_gas)}",
    )

Parametrized Test Cases

The interactive table below is also available as a standalone page.

Fork All Forks Cancun Prague Osaka

Fixture Type All Fixture Types blockchain_test

Test ID (Abbreviated)	parent_blobs	parent_excess_blobs	new_blobs
...fork_Cancun-parent_blobs_2-parent_excess_blobs_18-blockchain_test-new_blobs_1	2	18	1
...fork_Cancun-parent_blobs_2-parent_excess_blobs_265-blockchain_test-new_blobs_1	2	265	1
...fork_Cancun-parent_blobs_2-parent_excess_blobs_565-blockchain_test-new_blobs_1	2	565	1
...fork_Cancun-parent_blobs_2-parent_excess_blobs_830-blockchain_test-new_blobs_1	2	830	1
...fork_Cancun-parent_blobs_2-parent_excess_blobs_1130-blockchain_test-new_blobs_1	2	1130	1
...fork_Cancun-parent_blobs_2-parent_excess_blobs_1230-blockchain_test-new_blobs_1	2	1230	1
...fork_Prague-parent_blobs_5-parent_excess_blobs_27-blockchain_test-new_blobs_1	5	27	1
...fork_Prague-parent_blobs_5-parent_excess_blobs_398-blockchain_test-new_blobs_1	5	398	1
...fork_Prague-parent_blobs_5-parent_excess_blobs_848-blockchain_test-new_blobs_1	5	848	1
...fork_Prague-parent_blobs_5-parent_excess_blobs_1245-blockchain_test-new_blobs_1	5	1245	1
...fork_Prague-parent_blobs_5-parent_excess_blobs_1695-blockchain_test-new_blobs_1	5	1695	1
...fork_Prague-parent_blobs_5-parent_excess_blobs_1845-blockchain_test-new_blobs_1	5	1845	1
...fork_Osaka-parent_blobs_5-parent_excess_blobs_27-blockchain_test-new_blobs_1	5	27	1
...fork_Osaka-parent_blobs_5-parent_excess_blobs_398-blockchain_test-new_blobs_1	5	398	1
...fork_Osaka-parent_blobs_5-parent_excess_blobs_848-blockchain_test-new_blobs_1	5	848	1
...fork_Osaka-parent_blobs_5-parent_excess_blobs_1245-blockchain_test-new_blobs_1	5	1245	1
...fork_Osaka-parent_blobs_5-parent_excess_blobs_1695-blockchain_test-new_blobs_1	5	1695	1
...fork_Osaka-parent_blobs_5-parent_excess_blobs_1845-blockchain_test-new_blobs_1	5	1845	1