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Merged
merged 1 commit into from
Oct 1, 2025
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feat(tests): add more tests for P256 where R is at infinity #2238

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1 change: 1 addition & 0 deletions docs/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ Test fixtures for use by clients are available for each release on the [Github r
### 🧪 Test Cases

- ✨ Add an EIP-7928 test case targeting the `SELFDESTRUCT` opcode. ([#2159](https://github.com/ethereum/execution-spec-tests/pull/2159)).
- ✨ Add essential tests for coverage gaps in EIP-7951 (`p256verify` precompile) ([#2179](https://github.com/ethereum/execution-spec-tests/pull/2159), [#2203](https://github.com/ethereum/execution-spec-tests/pull/2203), [#2215](https://github.com/ethereum/execution-spec-tests/pull/2215), [#2216](https://github.com/ethereum/execution-spec-tests/pull/2216), [#2217](https://github.com/ethereum/execution-spec-tests/pull/2217), [#2218](https://github.com/ethereum/execution-spec-tests/pull/2218), [#2221](https://github.com/ethereum/execution-spec-tests/pull/2221), [#2229](https://github.com/ethereum/execution-spec-tests/pull/2229), [#2230](https://github.com/ethereum/execution-spec-tests/pull/2230), [#2237](https://github.com/ethereum/execution-spec-tests/pull/2237), [#2238](https://github.com/ethereum/execution-spec-tests/pull/2238)).

## [v5.0.0](https://github.com/ethereum/execution-spec-tests/releases/tag/v5.0.0) - 2025-09-05

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10 changes: 10 additions & 0 deletions tests/osaka/eip7951_p256verify_precompiles/test_p256verify.py
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Expand Up @@ -334,6 +334,16 @@ def test_valid(state_test: StateTestFiller, pre: Alloc, post: dict, tx: Transact
Spec.H0 + Spec.R0 + Spec.S0 + X(Spec.P + 1) + Spec.Y0,
id="x_greater_than_p",
),
# Test case produces the point R at infinity: (R0/S0)*G + (R0/S0)*(-G).
pytest.param(
H(Spec.R0.value) + Spec.R0 + Spec.S0 + X(Spec.Gx) + Y(Spec.P - Spec.Gy),
id="R_at_infinity_v1",
),
# Test case produces the point R at infinity: (1/1)*G + (1/1)*(-G).
pytest.param(
H(1) + R(1) + S(1) + X(Spec.Gx) + Y(Spec.P - Spec.Gy),
id="R_at_infinity_v2",
),
pytest.param(
Spec.H0
+ R(0x813EF79CCEFA9A56F7BA805F0E478584FE5F0DD5F567BC09B5123CCBC9832365)
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