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test_max_blobs_per_tx_fork_transition()

Documentation for tests/osaka/eip7594_peerdas/test_max_blob_per_tx.py::test_max_blobs_per_tx_fork_transition@88e9fb8f.

Generate fixtures for these test cases for Osaka with:

fill -v tests/osaka/eip7594_peerdas/test_max_blob_per_tx.py::test_max_blobs_per_tx_fork_transition --fork Osaka

Test MAX_BLOBS_PER_TX limit enforcement across fork transition.

Source code in tests/osaka/eip7594_peerdas/test_max_blob_per_tx.py 
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@pytest.mark.parametrize_by_fork(
    "blob_count",
    lambda fork: [
        fork.max_blobs_per_tx(timestamp=FORK_TIMESTAMP) + 1,
        fork.max_blobs_per_block(timestamp=FORK_TIMESTAMP) + 1,
    ],
)
@pytest.mark.valid_at_transition_to("Osaka")
@pytest.mark.exception_test
def test_max_blobs_per_tx_fork_transition(
    fork: Fork,
    blockchain_test: BlockchainTestFiller,
    env: Environment,
    pre: Alloc,
    tx: Transaction,
    blob_count: int,
) -> None:
    """Test `MAX_BLOBS_PER_TX` limit enforcement across fork transition."""
    expected_exception = (
        TransactionException.TYPE_3_TX_MAX_BLOB_GAS_ALLOWANCE_EXCEEDED
        if blob_count > fork.max_blobs_per_block(timestamp=FORK_TIMESTAMP)
        else TransactionException.TYPE_3_TX_BLOB_COUNT_EXCEEDED
    )
    pre_fork_block = Block(
        txs=[
            tx
            if blob_count < fork.max_blobs_per_block(timestamp=FORK_TIMESTAMP - 1)
            else tx.with_error(expected_exception)
        ],
        timestamp=FORK_TIMESTAMP - 1,
        exception=None
        if blob_count < fork.max_blobs_per_block(timestamp=FORK_TIMESTAMP - 1)
        else [expected_exception],
    )
    fork_block = Block(
        txs=[tx.with_nonce(1).with_error(expected_exception)],
        timestamp=FORK_TIMESTAMP,
        exception=[expected_exception],
    )
    post_fork_block = Block(
        txs=[tx.with_nonce(1).with_error(expected_exception)],
        timestamp=FORK_TIMESTAMP + 1,
        exception=[expected_exception],
    )
    blockchain_test(
        pre=pre,
        post={},
        blocks=[pre_fork_block, fork_block, post_fork_block],
        genesis_environment=env,
    )

Parametrized Test Cases

This test case is only parametrized by fork.

Test ID (Abbreviated) blob_count
...fork_PragueToOsakaAtTime15k-blob_count_7-blockchain_test 7
...fork_PragueToOsakaAtTime15k-blob_count_10-blockchain_test 10