test_invalid_blob_tx_contract_creation()

Documentation for tests/cancun/eip4844_blobs/test_blob_txs.py::test_invalid_blob_tx_contract_creation@bc691d13.

Generate fixtures for these test cases for Prague with:

fill -v tests/cancun/eip4844_blobs/test_blob_txs.py::test_invalid_blob_tx_contract_creation --fork Prague

Reject blocks that include blob transactions that have nil to value (contract creating).

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

@pytest.mark.parametrize(
    "tx_gas", [500_000], ids=[""]
)  # Increase gas to account for contract creation
@pytest.mark.exception_test
@pytest.mark.valid_from("Cancun")
def test_invalid_blob_tx_contract_creation(
    blockchain_test: BlockchainTestFiller,
    pre: Alloc,
    env: Environment,
    txs: List[Transaction],
    header_verify: Optional[Header],
):
    """Reject blocks that include blob transactions that have nil to value (contract creating)."""
    assert len(txs) == 1
    assert txs[0].blob_versioned_hashes is not None and len(txs[0].blob_versioned_hashes) == 1
    # Replace the transaction with a contract creating one, only in the RLP version
    contract_creating_tx = txs[0].copy(to=None).with_signature_and_sender()
    txs[0].rlp_override = contract_creating_tx.rlp()
    blockchain_test(
        pre=pre,
        post={},
        blocks=[
            Block(
                txs=txs,
                exception=[
                    BlockException.RLP_STRUCTURES_ENCODING,
                    TransactionException.TYPE_3_TX_CONTRACT_CREATION,
                ],
                header_verify=header_verify,
                # Skipped due to the T8N not receiving the invalid transaction,
                # instead we are passing a valid transaction to T8N and then the transaction
                # is replaced directly in the block RLP.
                skip_exception_verification=True,
            )
        ],
        genesis_environment=env,
    )

Parametrized Test Cases

This test case is only parametrized by fork.

Fork All Forks Cancun Prague Osaka

Fixture Type All Fixture Types blockchain_test

Test ID (Abbreviated)	tx_gas
...fork_Cancun-blockchain_test-	500000
...fork_Prague-blockchain_test-	500000
...fork_Osaka-blockchain_test-	500000