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Stop executing the handler when proposal is sumbmitted #534

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merged 3 commits into from
Aug 23, 2024
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Merged

Stop executing the handler when proposal is sumbmitted #534

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8270e1b
Stop executing the handler when proposal is sumbmitted
Aug 14, 2024
d246866
Merge branch 'main' into wojciech/gov-proposal-handler
cordt-sei Aug 20, 2024
8dcc041
Merge branch 'main' into wojciech/gov-proposal-handler
Aug 23, 2024
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9 changes: 0 additions & 9 deletions x/gov/keeper/proposal.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,15 +20,6 @@ func (keeper Keeper) SubmitProposalWithExpedite(ctx sdk.Context, content types.C
return types.Proposal{}, sdkerrors.Wrap(types.ErrNoProposalHandlerExists, content.ProposalRoute())
}

// Execute the proposal content in a new context branch (with branched store)
// to validate the actual parameter changes before the proposal proceeds
// through the governance process. State is not persisted.
cacheCtx, _ := ctx.CacheContext()
handler := keeper.router.GetRoute(content.ProposalRoute())
if err := handler(cacheCtx, content); err != nil {
return types.Proposal{}, sdkerrors.Wrap(types.ErrInvalidProposalContent, err.Error())
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does this have the side effect of allowing users to submit invalid props?

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yes

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Is it possible to fix the underline issue other than removing this handler? What does the upstream tendermint do here?

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We could mark ctx with some flag saying that handler is executed in the "submit" scope and then act accordingly in the handler. But it means that we have to be careful about every handler in the system.

The current cosmos sdk stopped executing the handlers: https://github.com/cosmos/cosmos-sdk/blob/release/v0.50.x/x/gov/keeper/proposal.go#L72

They do it only for legacy types for backward compatibility, but no one uses those legacy proposals anymore.

}

proposalID, err := keeper.GetProposalID(ctx)
if err != nil {
return types.Proposal{}, err
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