feat: decoding external contracts - #16766
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Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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September 9, 2026 16:21
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✅ Changelog foundThe deterministic check will validate the changed entry. |
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Motivation
A couple months ago i started #13417 and while i completely forgot about that pr, seems like multiple other ppl would appreciate it as well #13304 (comment) so trying to revive it against current foundry.
Adding state decoding for external contracts in storage diffs. This features is incredibly handy when simulating complex contract upgrades or when simulating complex transactions (or even for seemingly trivial ones).
Solution
Introducing a new flag
decode_external_storagethat fetches external contract sources from explorers, so we can render a rich diff in json state diff.PR Checklist