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feat(tests): add modexp overflow test #1096

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feat(tests): add modexp overflow test #1096

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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 @@ -29,6 +29,7 @@ Release tarball changes:
- 🔀 Update EIP-7002 according to [spec updates](https://github.com/ethereum/EIPs/pull/9119) ([#1024](https://github.com/ethereum/execution-spec-tests/pull/1024)).
- 🔀 Update EIP-2935 according to [spec updates](https://github.com/ethereum/EIPs/pull/9144) ([#1046](https://github.com/ethereum/execution-spec-tests/pull/1046))
- ✨ [EIP-7691](https://eips.ethereum.org/EIPS/eip-7691) Blob throughput increase tests by parametrization of existing EIP-4844 tests ([#1023](https://github.com/ethereum/execution-spec-tests/pull/1023))
- ✨ [EIP-198](https://eips.ethereum.org/EIPS/eip-198) Large base overflow test.

### 🛠️ Framework

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10 changes: 10 additions & 0 deletions tests/byzantium/eip198_modexp_precompile/test_modexp.py
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Expand Up @@ -199,6 +199,16 @@ class ExpectedOutput(TestParameterGroup):
),
id="EIP-198-case5-raw-input",
),
pytest.param(
ModExpRawInput(
raw_input="ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0",
),
ExpectedOutput(
call_return_code="0x00",
returned_data="0000000000000000000000000000000000000000000000000000000000000000",
),
id="immunefi-38958-by-omik-overflow",
),
],
ids=lambda param: param.__repr__(), # only required to remove parameter names (input/output)
)
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