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feat: FVM: do not error on unsuccessful implicit messages #11120

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merged 1 commit into from
Jul 31, 2023

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arajasek
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#11061

The FVM currently errors on unsuccessful Implicit messages -- that is, a failure exit code is treated as an error. This essentially assumes that all callers of ApplyImplicitMessage wants to treat a non-zero code as an error. While this is generally true, some callers (eg. when simulating messages) might not want to handle non-zero exit codes as errors.

Proposed Changes

  • Change the FVM to NOT treat non-zero exit codes as errors
  • Change the core state computation pipeline to explicitly check exit codes for Cron and Reward actors, and fail if unsuccessful

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  • Commits have a clear commit message.
  • PR title is in the form of of <PR type>: <area>: <change being made>
    • example: fix: mempool: Introduce a cache for valid signatures
    • PR type: fix, feat, build, chore, ci, docs, perf, refactor, revert, style, test
    • area, e.g. api, chain, state, market, mempool, multisig, networking, paych, proving, sealing, wallet, deps
  • New features have usage guidelines and / or documentation updates in
  • Tests exist for new functionality or change in behavior
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@arajasek arajasek requested a review from a team as a code owner July 31, 2023 19:15
@@ -135,6 +135,10 @@ func (t *TipSetExecutor) ApplyBlocks(ctx context.Context,
return xerrors.Errorf("running cron: %w", err)
}

if !ret.ExitCode.IsSuccess() {
return xerrors.Errorf("cron failed with exit code %d: %s", ret.ExitCode, ret.ActorErr.Error())
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nit for here and reward error handling: to maintain existing behavior you could end err string with %w and wrap the error instead of printing as string

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3 participants