fix: bn256 regression #637
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joshuajbouw
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Nov 24, 2022
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* Chore(docs): Additional documentation for xcc gas values (#590) * Feat(standalone): Conversion from standalone's TransactionKind to NormalizedEthTransaction (#586) * Add Backstage metadata (#534) * Add Backstage metadata * Fix(aurora-engine-transactions): remove hex feaure from std (#600) * Feat(tests): benchmark transaction Emufid2pv2UpxrZae4NyowF2N2ZHvYEPq16LsQc7Uoc6 (#599) * Connector-tests: Add tests for the case where an account other than aurora-engine is used for ETH deposit (#598) * [Docs] Eth Connector - extended documentation (#601) * feat: add serde JSON to JSON serializable structs in parameters (#605) * Pausable precompiles (#588) * Test(engine): Increase unit test coverage (#614) * Feat: allow xcc calls to perform any possible NEAR call (#610) * Test(engine): Increase unit test coverage (#618) * Refactor: Mark functions that create promises on NEAR as unsafe (#617) * Fix(xcc): Only update the router contract version in storage if the deploy is successful (#616) * Fix(CI): broken submodules checkout + Clippy warnings (#621) * Chore(standalone): Upgrade rocksdb to v0.19. (#615) * fix: remove sscache from CI (#626) * Tiny refactoring by clippy suggestions (#625) * Improvements in log macro (#630) * Fix (engine): update SputnikVM dependency to avoid stack overflow on deeply nested EVM calls (#628) * Fix(xcc): Ensure the xcc router attaches enough gas to the execute function (#622) * Release 2.8.0 notes * Build: Add reproducible build job. (#633) * fix: bn 256 regression (#637) * Update release notes * Update README to exclude version (#623) * Chore: Update to SputnikVM version v0.37.1-aurora. Includes some overflow-related fixes. (#638) * fix: modexp underestimated gas * chore: bump Cargo to 2.8 * chore: remove version from deployments in README.md Co-authored-by: Alexey Lapitsky <lex@realisticgroup.com> Co-authored-by: Joshua J. Bouw <joshua@aurora.dev> Co-authored-by: Kirill <kirill@aurora.dev> Co-authored-by: Evgeny Ukhanov <evgeny@aurora.dev> Co-authored-by: Roman Hodulák <roman.hodulak@aurora.dev> Co-authored-by: Dmitry Strokov <dmitry.strokov@aurora.dev> Co-authored-by: Oleksandr Anyshchenko <aanischenko@gmail.com> Co-authored-by: Oleksandr Anyshchenko <oleksandr.anyshchenko@aurora.dev>
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Description
A regression was found from the last update where bn256 doesn't think that 0,0 is on the curve so it results in a revert. This fixes this issue.
Performance / NEAR gas cost considerations
None.
Testing
I conducted a test which uses only 0,0 points in bn256 pair to show that the fix has been made and can't be regressed again.
How should this be reviewed
Key points is that the fix has been made simply.
Additional information
This was reported by BlockSec and must make it into the 2.8 release.