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test_valid_mcopy_operations()

Documentation for tests/cancun/eip5656_mcopy/test_mcopy.py::test_valid_mcopy_operations@49a16fac.

Generate fixtures for these test cases for Prague with:

fill -v tests/cancun/eip5656_mcopy/test_mcopy.py::test_valid_mcopy_operations --fork Prague
Perform MCOPY operations using different offsets and lengths
  • Zero inputs
  • Memory rewrites (copy from and to the same location)
  • Memory overwrites (copy from and to different locations)
  • Memory extensions (copy to a location that is out of bounds)
  • Memory clear (copy from a location that is out of bounds).
Source code in tests/cancun/eip5656_mcopy/test_mcopy.py
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@pytest.mark.parametrize(
    "dest,src,length",
    [
        (0x00, 0x00, 0x00),
        (2**256 - 1, 0x00, 0x00),
        (0x00, 0x00, 0x01),
        (0x00, 0x00, 0x20),
        (0x01, 0x00, 0x01),
        (0x01, 0x00, 0x20),
        (0x11, 0x11, 0x01),
        (0x11, 0x11, 0x20),
        (0x11, 0x11, 0x40),
        (0x10, 0x00, 0x40),
        (0x00, 0x10, 0x40),
        (0x0F, 0x10, 0x40),
        (0x100, 0x01, 0x01),
        (0x100, 0x01, 0x20),
        (0x100, 0x01, 0x1F),
        (0x100, 0x01, 0x21),
        (0x00, 0x00, 0x100),
        (0x100, 0x00, 0x100),
        (0x200, 0x00, 0x100),
        (0x00, 0x100, 0x100),
        (0x100, 0x100, 0x01),
    ],
    ids=[
        "zero_inputs",
        "zero_length_out_of_bounds_destination",
        "single_byte_rewrite",
        "full_word_rewrite",
        "single_byte_forward_overwrite",
        "full_word_forward_overwrite",
        "mid_word_single_byte_rewrite",
        "mid_word_single_word_rewrite",
        "mid_word_multi_word_rewrite",
        "two_words_forward_overwrite",
        "two_words_backward_overwrite",
        "two_words_backward_overwrite_single_byte_offset",
        "single_byte_memory_extension",
        "single_word_memory_extension",
        "single_word_minus_one_byte_memory_extension",
        "single_word_plus_one_byte_memory_extension",
        "full_memory_rewrite",
        "full_memory_copy",
        "full_memory_copy_offset",
        "full_memory_clean",
        "out_of_bounds_memory_extension",
    ],
)
@pytest.mark.with_all_evm_code_types
@pytest.mark.valid_from("Cancun")
def test_valid_mcopy_operations(
    state_test: StateTestFiller,
    pre: Alloc,
    post: Mapping[str, Account],
    tx: Transaction,
):
    """
    Perform MCOPY operations using different offsets and lengths:
      - Zero inputs
      - Memory rewrites (copy from and to the same location)
      - Memory overwrites (copy from and to different locations)
      - Memory extensions (copy to a location that is out of bounds)
      - Memory clear (copy from a location that is out of bounds).
    """
    state_test(
        env=Environment(),
        pre=pre,
        post=post,
        tx=tx,
    )

Parametrized Test Cases

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

Test ID (Abbreviated) evm_code_type dest src length
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-zero_inputs LEGACY 0 0 0
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-zero_length_out_of_bounds_destination LEGACY 115792089237316195423570985008687907853269984665640564039457584007913129639935 0 0
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-single_byte_rewrite LEGACY 0 0 1
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-full_word_rewrite LEGACY 0 0 32
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-single_byte_forward_overwrite LEGACY 1 0 1
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-full_word_forward_overwrite LEGACY 1 0 32
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-mid_word_single_byte_rewrite LEGACY 17 17 1
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-mid_word_single_word_rewrite LEGACY 17 17 32
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-mid_word_multi_word_rewrite LEGACY 17 17 64
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-two_words_forward_overwrite LEGACY 16 0 64
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-two_words_backward_overwrite LEGACY 0 16 64
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-two_words_backward_overwrite_single_byte_offset LEGACY 15 16 64
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-single_byte_memory_extension LEGACY 256 1 1
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-single_word_memory_extension LEGACY 256 1 32
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-single_word_minus_one_byte_memory_extension LEGACY 256 1 31
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-single_word_plus_one_byte_memory_extension LEGACY 256 1 33
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-full_memory_rewrite LEGACY 0 0 256
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-full_memory_copy LEGACY 256 0 256
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-full_memory_copy_offset LEGACY 512 0 256
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-full_memory_clean LEGACY 0 256 256
...fork_Cancun-evm_code_type_LEGACY-blockchain_test-out_of_bounds_memory_extension LEGACY 256 256 1
...fork_Cancun-evm_code_type_LEGACY-state_test-zero_inputs LEGACY 0 0 0
...fork_Cancun-evm_code_type_LEGACY-state_test-zero_length_out_of_bounds_destination LEGACY 115792089237316195423570985008687907853269984665640564039457584007913129639935 0 0
...fork_Cancun-evm_code_type_LEGACY-state_test-single_byte_rewrite LEGACY 0 0 1
...fork_Cancun-evm_code_type_LEGACY-state_test-full_word_rewrite LEGACY 0 0 32
...fork_Cancun-evm_code_type_LEGACY-state_test-single_byte_forward_overwrite LEGACY 1 0 1
...fork_Cancun-evm_code_type_LEGACY-state_test-full_word_forward_overwrite LEGACY 1 0 32
...fork_Cancun-evm_code_type_LEGACY-state_test-mid_word_single_byte_rewrite LEGACY 17 17 1
...fork_Cancun-evm_code_type_LEGACY-state_test-mid_word_single_word_rewrite LEGACY 17 17 32
...fork_Cancun-evm_code_type_LEGACY-state_test-mid_word_multi_word_rewrite LEGACY 17 17 64
...fork_Cancun-evm_code_type_LEGACY-state_test-two_words_forward_overwrite LEGACY 16 0 64
...fork_Cancun-evm_code_type_LEGACY-state_test-two_words_backward_overwrite LEGACY 0 16 64
...fork_Cancun-evm_code_type_LEGACY-state_test-two_words_backward_overwrite_single_byte_offset LEGACY 15 16 64
...fork_Cancun-evm_code_type_LEGACY-state_test-single_byte_memory_extension LEGACY 256 1 1
...fork_Cancun-evm_code_type_LEGACY-state_test-single_word_memory_extension LEGACY 256 1 32
...fork_Cancun-evm_code_type_LEGACY-state_test-single_word_minus_one_byte_memory_extension LEGACY 256 1 31
...fork_Cancun-evm_code_type_LEGACY-state_test-single_word_plus_one_byte_memory_extension LEGACY 256 1 33
...fork_Cancun-evm_code_type_LEGACY-state_test-full_memory_rewrite LEGACY 0 0 256
...fork_Cancun-evm_code_type_LEGACY-state_test-full_memory_copy LEGACY 256 0 256
...fork_Cancun-evm_code_type_LEGACY-state_test-full_memory_copy_offset LEGACY 512 0 256
...fork_Cancun-evm_code_type_LEGACY-state_test-full_memory_clean LEGACY 0 256 256
...fork_Cancun-evm_code_type_LEGACY-state_test-out_of_bounds_memory_extension LEGACY 256 256 1
...fork_Prague-evm_code_type_LEGACY-blockchain_test-zero_inputs LEGACY 0 0 0
...fork_Prague-evm_code_type_LEGACY-blockchain_test-zero_length_out_of_bounds_destination LEGACY 115792089237316195423570985008687907853269984665640564039457584007913129639935 0 0
...fork_Prague-evm_code_type_LEGACY-blockchain_test-single_byte_rewrite LEGACY 0 0 1
...fork_Prague-evm_code_type_LEGACY-blockchain_test-full_word_rewrite LEGACY 0 0 32
...fork_Prague-evm_code_type_LEGACY-blockchain_test-single_byte_forward_overwrite LEGACY 1 0 1
...fork_Prague-evm_code_type_LEGACY-blockchain_test-full_word_forward_overwrite LEGACY 1 0 32
...fork_Prague-evm_code_type_LEGACY-blockchain_test-mid_word_single_byte_rewrite LEGACY 17 17 1
...fork_Prague-evm_code_type_LEGACY-blockchain_test-mid_word_single_word_rewrite LEGACY 17 17 32
...fork_Prague-evm_code_type_LEGACY-blockchain_test-mid_word_multi_word_rewrite LEGACY 17 17 64
...fork_Prague-evm_code_type_LEGACY-blockchain_test-two_words_forward_overwrite LEGACY 16 0 64
...fork_Prague-evm_code_type_LEGACY-blockchain_test-two_words_backward_overwrite LEGACY 0 16 64
...fork_Prague-evm_code_type_LEGACY-blockchain_test-two_words_backward_overwrite_single_byte_offset LEGACY 15 16 64
...fork_Prague-evm_code_type_LEGACY-blockchain_test-single_byte_memory_extension LEGACY 256 1 1
...fork_Prague-evm_code_type_LEGACY-blockchain_test-single_word_memory_extension LEGACY 256 1 32
...fork_Prague-evm_code_type_LEGACY-blockchain_test-single_word_minus_one_byte_memory_extension LEGACY 256 1 31
...fork_Prague-evm_code_type_LEGACY-blockchain_test-single_word_plus_one_byte_memory_extension LEGACY 256 1 33
...fork_Prague-evm_code_type_LEGACY-blockchain_test-full_memory_rewrite LEGACY 0 0 256
...fork_Prague-evm_code_type_LEGACY-blockchain_test-full_memory_copy LEGACY 256 0 256
...fork_Prague-evm_code_type_LEGACY-blockchain_test-full_memory_copy_offset LEGACY 512 0 256
...fork_Prague-evm_code_type_LEGACY-blockchain_test-full_memory_clean LEGACY 0 256 256
...fork_Prague-evm_code_type_LEGACY-blockchain_test-out_of_bounds_memory_extension LEGACY 256 256 1
...fork_Prague-evm_code_type_LEGACY-state_test-zero_inputs LEGACY 0 0 0
...fork_Prague-evm_code_type_LEGACY-state_test-zero_length_out_of_bounds_destination LEGACY 115792089237316195423570985008687907853269984665640564039457584007913129639935 0 0
...fork_Prague-evm_code_type_LEGACY-state_test-single_byte_rewrite LEGACY 0 0 1
...fork_Prague-evm_code_type_LEGACY-state_test-full_word_rewrite LEGACY 0 0 32
...fork_Prague-evm_code_type_LEGACY-state_test-single_byte_forward_overwrite LEGACY 1 0 1
...fork_Prague-evm_code_type_LEGACY-state_test-full_word_forward_overwrite LEGACY 1 0 32
...fork_Prague-evm_code_type_LEGACY-state_test-mid_word_single_byte_rewrite LEGACY 17 17 1
...fork_Prague-evm_code_type_LEGACY-state_test-mid_word_single_word_rewrite LEGACY 17 17 32
...fork_Prague-evm_code_type_LEGACY-state_test-mid_word_multi_word_rewrite LEGACY 17 17 64
...fork_Prague-evm_code_type_LEGACY-state_test-two_words_forward_overwrite LEGACY 16 0 64
...fork_Prague-evm_code_type_LEGACY-state_test-two_words_backward_overwrite LEGACY 0 16 64
...fork_Prague-evm_code_type_LEGACY-state_test-two_words_backward_overwrite_single_byte_offset LEGACY 15 16 64
...fork_Prague-evm_code_type_LEGACY-state_test-single_byte_memory_extension LEGACY 256 1 1
...fork_Prague-evm_code_type_LEGACY-state_test-single_word_memory_extension LEGACY 256 1 32
...fork_Prague-evm_code_type_LEGACY-state_test-single_word_minus_one_byte_memory_extension LEGACY 256 1 31
...fork_Prague-evm_code_type_LEGACY-state_test-single_word_plus_one_byte_memory_extension LEGACY 256 1 33
...fork_Prague-evm_code_type_LEGACY-state_test-full_memory_rewrite LEGACY 0 0 256
...fork_Prague-evm_code_type_LEGACY-state_test-full_memory_copy LEGACY 256 0 256
...fork_Prague-evm_code_type_LEGACY-state_test-full_memory_copy_offset LEGACY 512 0 256
...fork_Prague-evm_code_type_LEGACY-state_test-full_memory_clean LEGACY 0 256 256
...fork_Prague-evm_code_type_LEGACY-state_test-out_of_bounds_memory_extension LEGACY 256 256 1
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-zero_inputs LEGACY 0 0 0
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-zero_length_out_of_bounds_destination LEGACY 115792089237316195423570985008687907853269984665640564039457584007913129639935 0 0
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-single_byte_rewrite LEGACY 0 0 1
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-full_word_rewrite LEGACY 0 0 32
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-single_byte_forward_overwrite LEGACY 1 0 1
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-full_word_forward_overwrite LEGACY 1 0 32
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-mid_word_single_byte_rewrite LEGACY 17 17 1
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-mid_word_single_word_rewrite LEGACY 17 17 32
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-mid_word_multi_word_rewrite LEGACY 17 17 64
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-two_words_forward_overwrite LEGACY 16 0 64
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-two_words_backward_overwrite LEGACY 0 16 64
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-two_words_backward_overwrite_single_byte_offset LEGACY 15 16 64
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-single_byte_memory_extension LEGACY 256 1 1
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-single_word_memory_extension LEGACY 256 1 32
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-single_word_minus_one_byte_memory_extension LEGACY 256 1 31
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-single_word_plus_one_byte_memory_extension LEGACY 256 1 33
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-full_memory_rewrite LEGACY 0 0 256
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-full_memory_copy LEGACY 256 0 256
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-full_memory_copy_offset LEGACY 512 0 256
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-full_memory_clean LEGACY 0 256 256
...fork_Osaka-evm_code_type_LEGACY-blockchain_test-out_of_bounds_memory_extension LEGACY 256 256 1
...fork_Osaka-evm_code_type_LEGACY-state_test-zero_inputs LEGACY 0 0 0
...fork_Osaka-evm_code_type_LEGACY-state_test-zero_length_out_of_bounds_destination LEGACY 115792089237316195423570985008687907853269984665640564039457584007913129639935 0 0
...fork_Osaka-evm_code_type_LEGACY-state_test-single_byte_rewrite LEGACY 0 0 1
...fork_Osaka-evm_code_type_LEGACY-state_test-full_word_rewrite LEGACY 0 0 32
...fork_Osaka-evm_code_type_LEGACY-state_test-single_byte_forward_overwrite LEGACY 1 0 1
...fork_Osaka-evm_code_type_LEGACY-state_test-full_word_forward_overwrite LEGACY 1 0 32
...fork_Osaka-evm_code_type_LEGACY-state_test-mid_word_single_byte_rewrite LEGACY 17 17 1
...fork_Osaka-evm_code_type_LEGACY-state_test-mid_word_single_word_rewrite LEGACY 17 17 32
...fork_Osaka-evm_code_type_LEGACY-state_test-mid_word_multi_word_rewrite LEGACY 17 17 64
...fork_Osaka-evm_code_type_LEGACY-state_test-two_words_forward_overwrite LEGACY 16 0 64
...fork_Osaka-evm_code_type_LEGACY-state_test-two_words_backward_overwrite LEGACY 0 16 64
...fork_Osaka-evm_code_type_LEGACY-state_test-two_words_backward_overwrite_single_byte_offset LEGACY 15 16 64
...fork_Osaka-evm_code_type_LEGACY-state_test-single_byte_memory_extension LEGACY 256 1 1
...fork_Osaka-evm_code_type_LEGACY-state_test-single_word_memory_extension LEGACY 256 1 32
...fork_Osaka-evm_code_type_LEGACY-state_test-single_word_minus_one_byte_memory_extension LEGACY 256 1 31
...fork_Osaka-evm_code_type_LEGACY-state_test-single_word_plus_one_byte_memory_extension LEGACY 256 1 33
...fork_Osaka-evm_code_type_LEGACY-state_test-full_memory_rewrite LEGACY 0 0 256
...fork_Osaka-evm_code_type_LEGACY-state_test-full_memory_copy LEGACY 256 0 256
...fork_Osaka-evm_code_type_LEGACY-state_test-full_memory_copy_offset LEGACY 512 0 256
...fork_Osaka-evm_code_type_LEGACY-state_test-full_memory_clean LEGACY 0 256 256
...fork_Osaka-evm_code_type_LEGACY-state_test-out_of_bounds_memory_extension LEGACY 256 256 1
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-zero_inputs EOF_V1 0 0 0
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-zero_length_out_of_bounds_destination EOF_V1 115792089237316195423570985008687907853269984665640564039457584007913129639935 0 0
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-single_byte_rewrite EOF_V1 0 0 1
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-full_word_rewrite EOF_V1 0 0 32
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-single_byte_forward_overwrite EOF_V1 1 0 1
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-full_word_forward_overwrite EOF_V1 1 0 32
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-mid_word_single_byte_rewrite EOF_V1 17 17 1
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-mid_word_single_word_rewrite EOF_V1 17 17 32
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-mid_word_multi_word_rewrite EOF_V1 17 17 64
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-two_words_forward_overwrite EOF_V1 16 0 64
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-two_words_backward_overwrite EOF_V1 0 16 64
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-two_words_backward_overwrite_single_byte_offset EOF_V1 15 16 64
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-single_byte_memory_extension EOF_V1 256 1 1
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-single_word_memory_extension EOF_V1 256 1 32
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-single_word_minus_one_byte_memory_extension EOF_V1 256 1 31
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-single_word_plus_one_byte_memory_extension EOF_V1 256 1 33
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-full_memory_rewrite EOF_V1 0 0 256
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-full_memory_copy EOF_V1 256 0 256
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-full_memory_copy_offset EOF_V1 512 0 256
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-full_memory_clean EOF_V1 0 256 256
...fork_Osaka-evm_code_type_EOF_V1-blockchain_test-out_of_bounds_memory_extension EOF_V1 256 256 1
...fork_Osaka-evm_code_type_EOF_V1-state_test-zero_inputs EOF_V1 0 0 0
...fork_Osaka-evm_code_type_EOF_V1-state_test-zero_length_out_of_bounds_destination EOF_V1 115792089237316195423570985008687907853269984665640564039457584007913129639935 0 0
...fork_Osaka-evm_code_type_EOF_V1-state_test-single_byte_rewrite EOF_V1 0 0 1
...fork_Osaka-evm_code_type_EOF_V1-state_test-full_word_rewrite EOF_V1 0 0 32
...fork_Osaka-evm_code_type_EOF_V1-state_test-single_byte_forward_overwrite EOF_V1 1 0 1
...fork_Osaka-evm_code_type_EOF_V1-state_test-full_word_forward_overwrite EOF_V1 1 0 32
...fork_Osaka-evm_code_type_EOF_V1-state_test-mid_word_single_byte_rewrite EOF_V1 17 17 1
...fork_Osaka-evm_code_type_EOF_V1-state_test-mid_word_single_word_rewrite EOF_V1 17 17 32
...fork_Osaka-evm_code_type_EOF_V1-state_test-mid_word_multi_word_rewrite EOF_V1 17 17 64
...fork_Osaka-evm_code_type_EOF_V1-state_test-two_words_forward_overwrite EOF_V1 16 0 64
...fork_Osaka-evm_code_type_EOF_V1-state_test-two_words_backward_overwrite EOF_V1 0 16 64
...fork_Osaka-evm_code_type_EOF_V1-state_test-two_words_backward_overwrite_single_byte_offset EOF_V1 15 16 64
...fork_Osaka-evm_code_type_EOF_V1-state_test-single_byte_memory_extension EOF_V1 256 1 1
...fork_Osaka-evm_code_type_EOF_V1-state_test-single_word_memory_extension EOF_V1 256 1 32
...fork_Osaka-evm_code_type_EOF_V1-state_test-single_word_minus_one_byte_memory_extension EOF_V1 256 1 31
...fork_Osaka-evm_code_type_EOF_V1-state_test-single_word_plus_one_byte_memory_extension EOF_V1 256 1 33
...fork_Osaka-evm_code_type_EOF_V1-state_test-full_memory_rewrite EOF_V1 0 0 256
...fork_Osaka-evm_code_type_EOF_V1-state_test-full_memory_copy EOF_V1 256 0 256
...fork_Osaka-evm_code_type_EOF_V1-state_test-full_memory_copy_offset EOF_V1 512 0 256
...fork_Osaka-evm_code_type_EOF_V1-state_test-full_memory_clean EOF_V1 0 256 256
...fork_Osaka-evm_code_type_EOF_V1-state_test-out_of_bounds_memory_extension EOF_V1 256 256 1