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test_tload_after_tstore_is_zero()

Documentation for tests/cancun/eip1153_tstore/test_tstorage.py::test_tload_after_tstore_is_zero@88e9fb8f.

Generate fixtures for these test cases for Osaka with:

fill -v tests/cancun/eip1153_tstore/test_tstorage.py::test_tload_after_tstore_is_zero --fork Osaka

Test that tload returns zero after tstore is called with zero.

Based on [ethereum/tests/.../03_tloadAfterStoreIs0Filler.yml] (https://github.com/ethereum/tests/blob/ 9b00b68/src/ EIPTestsFiller/StateTests/ stEIP1153-transientStorage/03_tloadAfterStoreIs0Filler.yml)",

Source code in tests/cancun/eip1153_tstore/test_tstorage.py 
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def test_tload_after_tstore_is_zero(state_test: StateTestFiller, pre: Alloc) -> None:
    """
    Test that tload returns zero after tstore is called with zero.

    Based on [ethereum/tests/.../03_tloadAfterStoreIs0Filler.yml]
    (https://github.com/ethereum/tests/blob/
    9b00b68593f5869eb51a6659e1cc983e875e616b/src/
    EIPTestsFiller/StateTests/
    stEIP1153-transientStorage/03_tloadAfterStoreIs0Filler.yml)",
    """
    env = Environment()

    slots_to_write = [1, 4, 2**128, 2**256 - 2]
    slots_to_read = [slot - 1 for slot in slots_to_write] + [slot + 1 for slot in slots_to_write]
    assert set.intersection(set(slots_to_write), set(slots_to_read)) == set()

    code = sum(Op.TSTORE(slot, 1234) for slot in slots_to_write) + sum(
        Op.SSTORE(slot, Op.TLOAD(slot)) for slot in slots_to_read
    )

    code_address = pre.deploy_contract(
        code=code,  # type: ignore
        storage=dict.fromkeys(slots_to_write + slots_to_read, 0xFFFF),
    )

    tx = Transaction(
        sender=pre.fund_eoa(),
        to=code_address,
        gas_limit=1_000_000,
    )

    post = {
        code_address: Account(
            storage=dict.fromkeys(slots_to_read, 0) | dict.fromkeys(slots_to_write, 0xFFFF)
        )
    }

    state_test(
        env=env,
        pre=pre,
        post=post,
        tx=tx,
    )

Parametrized Test Cases

This test case is only parametrized by fork and fixture format.

Test ID (Abbreviated)
...fork_Cancun-state_test
...fork_Cancun-blockchain_test_from_state_test
...fork_Prague-state_test
...fork_Prague-blockchain_test_from_state_test
...fork_Osaka-state_test
...fork_Osaka-blockchain_test_from_state_test