Add EXTCODEHASH witness information to resolve Empty()#420
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jsign wants to merge 1 commit intokaustinen-with-shapellafrom
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Add EXTCODEHASH witness information to resolve Empty()#420jsign wants to merge 1 commit intokaustinen-with-shapellafrom
jsign wants to merge 1 commit intokaustinen-with-shapellafrom
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Signed-off-by: Ignacio Hagopian <jsign.uy@gmail.com>
jsign
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Apr 15, 2024
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| codehashgas := evm.Accesses.TouchVersion(address[:], false) | ||
| codehashgas += evm.Accesses.TouchBalance(address[:], false) | ||
| codehashgas += evm.Accesses.TouchNonce(address[:], false) |
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New fields to resolve Empty(...) in witness.
gballet
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Apr 26, 2024
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The spec is quite clear that only the code hash should be touched. Which makes sense. The better approach would be to only check the code hash instead of the whole account. If that can't be done, then we would need a spec change. But we can't merge this as is.
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EXTCODEHASHinstruction execution does an.Empty(address)check to early return a zero. ThisEmpty(...)implies adding to the witness the nonce and balance.Note: I added the version too to be coherent with the current status quo