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Fail early on StateDB functions #410

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fedekunze opened this issue Aug 6, 2021 · 2 comments
Open

Fail early on StateDB functions #410

fedekunze opened this issue Aug 6, 2021 · 2 comments
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C:x/evm good first issue help wanted

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@fedekunze
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@fedekunze fedekunze commented Aug 6, 2021

Most of the functions from statedb.go perform a no-operation (no-op) when an error is encountered. The problem is, that these functions don't have any context of whether previous calls failed or not. For example, both GetCodeHash and GetNonce require the account to exist before returning the value.

Solution:

Introduce a stateErr error field on the Keeper and return early on every StateDB method if there is a previous error registered.
@yihuang
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@yihuang yihuang commented Aug 12, 2021 •
edited

Just panic should be good? since the cosmos-sdk call will recover the panic.
@fedekunze
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@fedekunze fedekunze commented Aug 12, 2021

no, it shouldn't panic, just fail early
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Labels
C:x/evm good first issue help wanted
2 participants
@yihuang @fedekunze