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Test Bls12 Map Fp To G1

Documentation for tests/prague/eip2537_bls_12_381_precompiles/test_bls12_map_fp_to_g1.py.

Generate fixtures for these test cases for Prague with:

Prague only: 

fill -v tests/prague/eip2537_bls_12_381_precompiles/test_bls12_map_fp_to_g1.py --fork=Prague --evm-bin=/path/to/evm-tool-dev-version
For all forks up to and including Prague: 
fill -v tests/prague/eip2537_bls_12_381_precompiles/test_bls12_map_fp_to_g1.py --until=Prague --evm-bin=/path/to/evm-tool-dev-version

Tests BLS12_MAP_FP_TO_G1 precompile of EIP-2537: Precompile for BLS12-381 curve operations

Tests BLS12_MAP_FP_TO_G1 precompile of EIP-2537: Precompile for BLS12-381 curve operations.

test_valid(state_test, pre, post, tx)

Test the BLS12_MAP_FP_TO_G1 precompile.

Source code in tests/prague/eip2537_bls_12_381_precompiles/test_bls12_map_fp_to_g1.py 
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@pytest.mark.parametrize(
    "input,expected_output",
    vectors_from_file("map_fp_to_G1_bls.json")
    + [
        pytest.param(
            FP(0),
            G1_POINT_ZERO_FP,
            id="fp_0",
        ),
        pytest.param(
            FP(Spec.P - 1),
            PointG1(
                0x1073311196F8EF19477219CCEE3A48035FF432295AA9419EED45D186027D88B90832E14C4F0E2AA4D15F54D1C3ED0F93,  # noqa: E501
                0x16B3A3B2E3DDDF6A11459DDAF657FDE21C4F10282A56029D9B55AB3CE1F41E1CF39AD27E0EA35823C7D3250E81FF3D66,  # noqa: E501
            ),
            id="fp_p_minus_1",
        ),
    ],
)
def test_valid(
    state_test: StateTestFiller,
    pre: Alloc,
    post: dict,
    tx: Transaction,
):
    """
    Test the BLS12_MAP_FP_TO_G1 precompile.
    """
    state_test(
        env=Environment(),
        pre=pre,
        tx=tx,
        post=post,
    )

test_invalid(state_test, pre, post, tx)

Negative tests for the BLS12_MAP_FP_TO_G1 precompile.

Source code in tests/prague/eip2537_bls_12_381_precompiles/test_bls12_map_fp_to_g1.py 
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@pytest.mark.parametrize(
    "input",
    vectors_from_file("fail-map_fp_to_G1_bls.json")
    + [
        pytest.param(b"\x80" + bytes(FP(0))[1:], id="invalid_encoding"),
        pytest.param(bytes(FP(0))[1:], id="input_too_short"),
        pytest.param(b"\x00" + FP(0), id="input_too_long"),
        pytest.param(b"", id="zero_length_input"),
        pytest.param(FP(Spec.P), id="fq_eq_q"),
        pytest.param(FP(2**512 - 1), id="fq_eq_2_512_minus_1"),
        pytest.param(Spec.G1, id="g1_point_input"),
    ],
)
@pytest.mark.parametrize("expected_output", [Spec.INVALID], ids=[""])
def test_invalid(
    state_test: StateTestFiller,
    pre: Alloc,
    post: dict,
    tx: Transaction,
):
    """
    Negative tests for the BLS12_MAP_FP_TO_G1 precompile.
    """
    state_test(
        env=Environment(),
        pre=pre,
        tx=tx,
        post=post,
    )

test_gas(state_test, pre, post, tx)

Test the BLS12_MAP_FP_TO_G1 precompile gas requirements.

Source code in tests/prague/eip2537_bls_12_381_precompiles/test_bls12_map_fp_to_g1.py 
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@pytest.mark.parametrize(
    "input,expected_output,precompile_gas_modifier",
    [
        pytest.param(
            FP(0),
            G1_POINT_ZERO_FP,
            1,
            id="extra_gas",
        ),
        pytest.param(
            FP(0),
            Spec.INVALID,
            -1,
            id="insufficient_gas",
        ),
    ],
)
def test_gas(
    state_test: StateTestFiller,
    pre: Alloc,
    post: dict,
    tx: Transaction,
):
    """
    Test the BLS12_MAP_FP_TO_G1 precompile gas requirements.
    """
    state_test(
        env=Environment(),
        pre=pre,
        tx=tx,
        post=post,
    )

test_call_types(state_test, pre, post, tx)

Test the BLS12_MAP_FP_TO_G1 precompile using different call types.

Source code in tests/prague/eip2537_bls_12_381_precompiles/test_bls12_map_fp_to_g1.py 
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@pytest.mark.parametrize(
    "call_opcode",
    [
        Op.STATICCALL,
        Op.DELEGATECALL,
        Op.CALLCODE,
    ],
)
@pytest.mark.parametrize(
    "input,expected_output",
    [
        pytest.param(
            FP(0),
            G1_POINT_ZERO_FP,
            id="fp_0",
        ),
    ],
)
def test_call_types(
    state_test: StateTestFiller,
    pre: Alloc,
    post: dict,
    tx: Transaction,
):
    """
    Test the BLS12_MAP_FP_TO_G1 precompile using different call types.
    """
    state_test(
        env=Environment(),
        pre=pre,
        tx=tx,
        post=post,
    )