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echidna 2.2.4 #177511

Merged
merged 2 commits into from
Jul 16, 2024
Merged

echidna 2.2.4 #177511

merged 2 commits into from
Jul 16, 2024

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Created by brew bump


Created with brew bump-formula-pr.

release notes
Echidna 2.2.4 is an exciting release that brings a host of improvements in fuzzing speed and user experience. This update:
  • Boosts performance through optimized shrinking and multicore fuzzing. Adjustments made to our multi-worker implementation will provide increased performance when multiple workers are in use, meaning you can now have a faster and more scalable fuzzing experience. Echidna will now by default run between one to four workers, based on the available CPU cores. While we have set an intelligent default logic, you can continue to manually control the number of workers with the workers config option or --workers CLI switch. Another welcome tweak is in the shrinking process where a single worker now handles a shrinking task to minimize contention.

  • Enhances user interface with handy shortcuts, added metrics, more informative messages, and clearer error responses. The new shortcuts allow for swiftly toggling the visibility of the tests and log panels (t and l). The newly introduced performance metric gas/s should be a more user-friendly indicator of execution performance than its predecessor calls/s. Expect insightful time measurements when saving coverage and an added message upon saving reproducers. Last but not least, we improved the error messages in various conditions, for better clarity and ease of understanding.

  • Adds initial support to TLOAD/TSTORE opcodes as we continue our work towards achieving full compatibility with Cancun. Note that other new opcodes from Cancun are still not supported, so we recommend working with solc 0.8.24 or older for the time being.

  • Introduces more configuration options including the ability to specify the Etherscan API key via the config file.

Take a peek at Echidna v2.2.4 in action fuzzing assert.sol:

Echidna 2.2.4 fuzzing the example in assert.sol

The full changelog is provided below:

Added

Fixed

Updated

New Contributors

Full Changelog: crytic/echidna@v2.2.3...v2.2.4

@github-actions github-actions bot added haskell Haskell use is a significant feature of the PR or issue bump-formula-pr PR was created using `brew bump-formula-pr` labels Jul 16, 2024
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🤖 An automated task has requested bottles to be published to this PR.

@github-actions github-actions bot added the CI-published-bottle-commits The commits for the built bottles have been pushed to the PR branch. label Jul 16, 2024
@BrewTestBot BrewTestBot added this pull request to the merge queue Jul 16, 2024
Merged via the queue into master with commit 2afebcd Jul 16, 2024
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@BrewTestBot BrewTestBot deleted the bump-echidna-2.2.4 branch July 16, 2024 17:45
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