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refactor(x/gov)!: let hooks return an error (#18173)
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(cherry picked from commit 4121869)

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#	CHANGELOG.md
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@julienrbrt @mergify
julienrbrt authored and mergify[bot] committed Oct 19, 2023
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117 changes: 117 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -52,7 +52,124 @@ Ref: https://keepachangelog.com/en/1.0.0/

* (x/gov) [#17873](https://github.com/cosmos/cosmos-sdk/pull/17873) Fail any inactive and active proposals that cannot be decoded.
* (x/slashing) [#18016](https://github.com/cosmos/cosmos-sdk/pull/18016) Fixed builder function for missed blocks key (`validatorMissedBlockBitArrayPrefixKey`) in slashing/migration/v4
<<<<<<< HEAD
* (x/bank) [#18107](https://github.com/cosmos/cosmos-sdk/pull/18107) Add missing keypair of SendEnabled to restore legacy param set before migration.
=======
* (x/gov) [#17873](https://github.com/cosmos/cosmos-sdk/pull/17873) Fail any inactive and active proposals whose messages cannot be decoded.

### API Breaking Changes

* (x/gov) [#18173](https://github.com/cosmos/cosmos-sdk/pull/18173) Gov Hooks now returns error and are "blocking" if they fail. Expect for `AfterProposalFailedMinDeposit` and `AfterProposalVotingPeriodEnded` that will log the error and continue.
* (x/gov/testutil) [#17986](https://github.com/cosmos/cosmos-sdk/pull/18036) `MsgDeposit` has been removed because of AutoCLI migration.
* (x/staking/testutil) [#17986](https://github.com/cosmos/cosmos-sdk/pull/17986) `MsgRedelegateExec`, `MsgUnbondExec` has been removed because of AutoCLI migration.
* (x/bank/testutil) [#17868](https://github.com/cosmos/cosmos-sdk/pull/17868) `MsgSendExec` has been removed because of AutoCLI migration.
* (x/distribution) [#17657](https://github.com/cosmos/cosmos-sdk/pull/17657) The `FundCommunityPool` and `DistributeFromFeePool` keeper methods are now removed from x/distribution.
* (x/distribution) [#17657](https://github.com/cosmos/cosmos-sdk/pull/17657) The distribution module keeper now takes a new argument `PoolKeeper` in addition.
* (app) [#17838](https://github.com/cosmos/cosmos-sdk/pull/17838) Params module was removed from simapp and all imports of the params module removed throughout the repo.
* The Cosmos SDK has migrated away from using params, if your app still uses it, then you can leave it plugged into your app
* (x/staking) [#17778](https://github.com/cosmos/cosmos-sdk/pull/17778) Use collections for `Params`
* remove from `Keeper`: `GetParams`, `SetParams`
* (types/simulation) [#17737](https://github.com/cosmos/cosmos-sdk/pull/17737) Remove unused parameter from `RandomFees`
* (x/staking) [#17486](https://github.com/cosmos/cosmos-sdk/pull/17486) Use collections for `RedelegationQueueKey`:
* remove from `types`: `GetRedelegationTimeKey`
* remove from `Keeper`: `RedelegationQueueIterator`
* (x/staking) [#17562](https://github.com/cosmos/cosmos-sdk/pull/17562) Use collections for `ValidatorQueue`
* remove from `types`: `GetValidatorQueueKey`, `ParseValidatorQueueKey`
* remove from `Keeper`: `ValidatorQueueIterator`
* (x/staking) [#17498](https://github.com/cosmos/cosmos-sdk/pull/17498) Use collections for `LastValidatorPower`:
* remove from `types`: `GetLastValidatorPowerKey`
* remove from `Keeper`: `LastValidatorsIterator`, `IterateLastValidators`
* (x/staking) [#17291](https://github.com/cosmos/cosmos-sdk/pull/17291) Use collections for `UnbondingDelegationByValIndex`:
* remove from `types`: `GetUBDKeyFromValIndexKey`, `GetUBDsByValIndexKey`, `GetUBDByValIndexKey`
* (x/slashing) [#17568](https://github.com/cosmos/cosmos-sdk/pull/17568) Use collections for `ValidatorMissedBlockBitmap`:
* remove from `types`: `ValidatorMissedBlockBitmapPrefixKey`, `ValidatorMissedBlockBitmapKey`
* (x/staking) [#17481](https://github.com/cosmos/cosmos-sdk/pull/17481) Use collections for `UnbondingQueue`:
* remove from `Keeper`: `UBDQueueIterator`
* remove from `types`: `GetUnbondingDelegationTimeKey`
* (x/staking) [#17123](https://github.com/cosmos/cosmos-sdk/pull/17123) Use collections for `Validators`
* (x/staking) [#17270](https://github.com/cosmos/cosmos-sdk/pull/17270) Use collections for `UnbondingDelegation`:
* remove from `types`: `GetUBDsKey`
* remove from `Keeper`: `IterateUnbondingDelegations`, `IterateDelegatorUnbondingDelegations`
* (client/keys) [#17503](https://github.com/cosmos/cosmos-sdk/pull/17503) `clientkeys.NewKeyOutput`, `MkConsKeyOutput`, `MkValKeyOutput`, `MkAccKeyOutput`, `MkAccKeysOutput` now take their corresponding address codec instead of using the global SDK config.
* (x/staking) [#17336](https://github.com/cosmos/cosmos-sdk/pull/17336) Use collections for `RedelegationByValDstIndexKey`:
* remove from `types`: `GetREDByValDstIndexKey`, `GetREDsToValDstIndexKey`
* (x/staking) [#17332](https://github.com/cosmos/cosmos-sdk/pull/17332) Use collections for `RedelegationByValSrcIndexKey`:
* remove from `types`: `GetREDKeyFromValSrcIndexKey`, `GetREDsFromValSrcIndexKey`
* (x/staking) [#17315](https://github.com/cosmos/cosmos-sdk/pull/17315) Use collections for `RedelegationKey`:
* remove from `keeper`: `GetRedelegation`
* (types) `module.BeginBlockAppModule` has been replaced by Core API `appmodule.HasBeginBlocker`.
* (types) `module.EndBlockAppModule` has been replaced by Core API `appmodule.HasEndBlocker` or `module.HasABCIEndBlock` when needing validator updates.
* (x/slashing) [#17044](https://github.com/cosmos/cosmos-sdk/pull/17044) Use collections for `AddrPubkeyRelation`:
* remove from `types`: `AddrPubkeyRelationKey`
* remove from `Keeper`: `AddPubkey`
* (x/staking) [#17260](https://github.com/cosmos/cosmos-sdk/pull/17260) Use collections for `DelegationKey`:
* remove from `types`: `GetDelegationKey`, `GetDelegationsKey`
* (x/staking) [#17288](https://github.com/cosmos/cosmos-sdk/pull/17288) Use collections for `UnbondingIndex`:
* remove from `types`: `GetUnbondingIndexKey`.
* (x/staking) [#17256](https://github.com/cosmos/cosmos-sdk/pull/17256) Use collections for `UnbondingID`.
* (x/staking) [#17260](https://github.com/cosmos/cosmos-sdk/pull/17260) Use collections for `ValidatorByConsAddr`:
* remove from `types`: `GetValidatorByConsAddrKey`
* (x/staking) [#17248](https://github.com/cosmos/cosmos-sdk/pull/17248) Use collections for `UnbondingType`.
* remove from `types`: `GetUnbondingTypeKey`.
* (client) [#17259](https://github.com/cosmos/cosmos-sdk/pull/17259) Remove deprecated `clientCtx.PrintObjectLegacy`. Use `clientCtx.PrintProto` or `clientCtx.PrintRaw` instead.
* (x/distribution) [#17115](https://github.com/cosmos/cosmos-sdk/pull/17115) Use collections for `PreviousProposer` and `ValidatorSlashEvents`:
* remove from `Keeper`: `GetPreviousProposerConsAddr`, `SetPreviousProposerConsAddr`, `GetValidatorHistoricalReferenceCount`, `GetValidatorSlashEvent`, `SetValidatorSlashEvent`.
* (x/feegrant) [#16535](https://github.com/cosmos/cosmos-sdk/pull/16535) Use collections for `FeeAllowance`, `FeeAllowanceQueue`.
* (x/staking) [#17063](https://github.com/cosmos/cosmos-sdk/pull/17063) Use collections for `HistoricalInfo`:
* remove `Keeper`: `GetHistoricalInfo`, `SetHistoricalInfo`
* (x/staking) [#17062](https://github.com/cosmos/cosmos-sdk/pull/17062) Use collections for `ValidatorUpdates`:
* remove `Keeper`: `SetValidatorUpdates`, `GetValidatorUpdates`
* (x/slashing) [#17023](https://github.com/cosmos/cosmos-sdk/pull/17023) Use collections for `ValidatorSigningInfo`:
* remove `Keeper`: `SetValidatorSigningInfo`, `GetValidatorSigningInfo`, `IterateValidatorSigningInfos`
* (x/staking) [#17026](https://github.com/cosmos/cosmos-sdk/pull/17026) Use collections for `LastTotalPower`:
* remove `Keeper`: `SetLastTotalPower`, `GetLastTotalPower`
* (x/distribution) [#16440](https://github.com/cosmos/cosmos-sdk/pull/16440) use collections for `DelegatorWithdrawAddresState`:
* remove `Keeper`: `SetDelegatorWithdrawAddr`, `DeleteDelegatorWithdrawAddr`, `IterateDelegatorWithdrawAddrs`.
* (x/distribution) [#16459](https://github.com/cosmos/cosmos-sdk/pull/16459) use collections for `ValidatorCurrentRewards` state management:
* remove `Keeper`: `IterateValidatorCurrentRewards`, `GetValidatorCurrentRewards`, `SetValidatorCurrentRewards`, `DeleteValidatorCurrentRewards`
* (x/authz) [#16509](https://github.com/cosmos/cosmos-sdk/pull/16509) `AcceptResponse` has been moved to sdk/types/authz and the `Updated` field is now of the type `sdk.Msg` instead of `authz.Authorization`.
* (x/distribution) [#16483](https://github.com/cosmos/cosmos-sdk/pull/16483) use collections for `DelegatorStartingInfo` state management:
* remove `Keeper`: `IterateDelegatorStartingInfo`, `GetDelegatorStartingInfo`, `SetDelegatorStartingInfo`, `DeleteDelegatorStartingInfo`, `HasDelegatorStartingInfo`
* (x/distribution) [#16571](https://github.com/cosmos/cosmos-sdk/pull/16571) use collections for `ValidatorAccumulatedCommission` state management:
* remove `Keeper`: `IterateValidatorAccumulatedCommission`, `GetValidatorAccumulatedCommission`, `SetValidatorAccumulatedCommission`, `DeleteValidatorAccumulatedCommission`
* (x/distribution) [#16590](https://github.com/cosmos/cosmos-sdk/pull/16590) use collections for `ValidatorOutstandingRewards` state management:
* remove `Keeper`: `IterateValidatorOutstandingRewards`, `GetValidatorOutstandingRewards`, `SetValidatorOutstandingRewards`, `DeleteValidatorOutstandingRewards`
* (x/distribution) [#16607](https://github.com/cosmos/cosmos-sdk/pull/16607) use collections for `ValidatorHistoricalRewards` state management:
* remove `Keeper`: `IterateValidatorHistoricalRewards`, `GetValidatorHistoricalRewards`, `SetValidatorHistoricalRewards`, `DeleteValidatorHistoricalRewards`, `DeleteValidatorHistoricalReward`, `DeleteAllValidatorHistoricalRewards`
* (x/slashing) [#16441](https://github.com/cosmos/cosmos-sdk/pull/16441) Params state is migrated to collections. `GetParams` has been removed.
* (types) [#16918](https://github.com/cosmos/cosmos-sdk/pull/16918) Remove `IntProto` and `DecProto`. Instead, `math.Int` and `math.LegacyDec` should be used respectively. Both types support `Marshal` and `Unmarshal` which should be used for binary marshaling.
* (client) [#17215](https://github.com/cosmos/cosmos-sdk/pull/17215) `server.StartCmd`,`server.ExportCmd`,`server.NewRollbackCmd`,`pruning.Cmd`,`genutilcli.InitCmd`,`genutilcli.GenTxCmd`,`genutilcli.CollectGenTxsCmd`,`genutilcli.AddGenesisAccountCmd`, do not take a home directory anymore. It is inferred from the root command.
* (baseapp) [#16244](https://github.com/cosmos/cosmos-sdk/pull/16244) `SetProtocolVersion` has been renamed to `SetAppVersion`. It now updates the consensus params in baseapp's `ParamStore`.
* (types) [#17348](https://github.com/cosmos/cosmos-sdk/pull/17348) Remove the `WrapServiceResult` function.
* The `*sdk.Result` returned by the msg server router will not contain the `.Data` field.
* (x/staking) [#17335](https://github.com/cosmos/cosmos-sdk/pull/17335) Remove usage of `"github.com/cosmos/cosmos-sdk/x/staking/types".Infraction_*` in favour of `"cosmossdk.io/api/cosmos/staking/v1beta1".Infraction_` in order to remove dependency between modules on staking
* (x/gov) [#17496](https://github.com/cosmos/cosmos-sdk/pull/17469) in `x/gov/types/v1beta1/vote.go` `NewVote` was removed, constructing the struct is required for this type
* (types) [#17426](https://github.com/cosmos/cosmos-sdk/pull/17426) `NewContext` does not take a `cmtproto.Header{}` any longer.
* `WithChainID` / `WithBlockHeight` / `WithBlockHeader` must be used to set values on the context
* (x/bank) [#17569](https://github.com/cosmos/cosmos-sdk/pull/17569) `BurnCoins` takes an address instead of a module name
* (x/distribution) [#17670](https://github.com/cosmos/cosmos-sdk/pull/17670) `AllocateTokens` takes `comet.VoteInfos` instead of `[]abci.VoteInfo`
* (types) [#17738](https://github.com/cosmos/cosmos-sdk/pull/17738) `WithBlockTime()` was removed & `BlockTime()` were deprecated in favor of `WithHeaderInfo()` & `HeaderInfo()`. `BlockTime` now gets data from `HeaderInfo()` instead of `BlockHeader()`.
* (client) [#17746](https://github.com/cosmos/cosmos-sdk/pull/17746) `txEncodeAmino` & `txDecodeAmino` txs via grpc and rest were removed
* `RegisterLegacyAmino` was removed from `AppModuleBasic`
* (x/staking) [#17655](https://github.com/cosmos/cosmos-sdk/pull/17655) `QueryHistoricalInfo` was adjusted to return `HistoricalRecord` and marked `Hist` as deprecated.
* (types) [#17885](https://github.com/cosmos/cosmos-sdk/pull/17885) `InitGenesis` & `ExportGenesis` now take `context.Context` instead of `sdk.Context`
* (x/auth) [#17985](https://github.com/cosmos/cosmos-sdk/pull/17985) Remove `StdTxConfig`
* Remove depreacted `MakeTestingEncodingParams` from `simapp/params`
* (x/consensus) [#18041](https://github.com/cosmos/cosmos-sdk/pull/18041) `ToProtoConsensusParams()` returns an error
* (x/slashing) [#18115](https://github.com/cosmos/cosmos-sdk/pull/18115) `NewValidatorSigningInfo` takes strings instead of `sdk.AccAddress`

### CLI Breaking Changes

* (x/auth/vesting) [#18100](https://github.com/cosmos/cosmos-sdk/pull/18100) `appd tx vesting create-vesting-account` takes an amount of coin as last argument instead of second. Coins are space separated.
* (x/distribution) [#17963](https://github.com/cosmos/cosmos-sdk/pull/17963) `appd tx distribution withdraw-rewards` now only withdraws rewards for the delegator's own delegations. For withdrawing validators commission, use `appd tx distribution withdraw-validator-commission`.

### State Machine Breaking

* (x/distribution) [#17657](https://github.com/cosmos/cosmos-sdk/pull/17657) Migrate community pool funds from x/distribution to x/protocolpool.
* (x/distribution) [#17115](https://github.com/cosmos/cosmos-sdk/pull/17115) Migrate `PreviousProposer` to collections.
* (x/upgrade) [#16244](https://github.com/cosmos/cosmos-sdk/pull/16244) upgrade module no longer stores the app version but gets and sets the app version stored in the `ParamStore` of baseapp.
* (x/staking) [#17655](https://github.com/cosmos/cosmos-sdk/pull/17655) `HistoricalInfo` was replaced with `HistoricalRecord`, it removes the validator set and comet header and only keep what is needed for IBC.
>>>>>>> 4121869cb (refactor(x/gov)!: let hooks return an error (#18173))
### Client Breaking Changes

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16 changes: 14 additions & 2 deletions x/gov/abci.go
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Expand Up @@ -65,7 +65,13 @@ func EndBlocker(ctx sdk.Context, keeper *keeper.Keeper) error {
}

// called when proposal become inactive
keeper.Hooks().AfterProposalFailedMinDeposit(ctx, proposal.Id)
cacheCtx, writeCache := ctx.CacheContext()
err = keeper.Hooks().AfterProposalFailedMinDeposit(cacheCtx, proposal.Id)
if err == nil { // purposely ignoring the error here not to halt the chain if the hook fails
writeCache()
} else {
keeper.Logger(ctx).Error("failed to execute AfterProposalFailedMinDeposit hook", "error", err)
}

ctx.EventManager().EmitEvent(
sdk.NewEvent(
Expand Down Expand Up @@ -228,7 +234,13 @@ func EndBlocker(ctx sdk.Context, keeper *keeper.Keeper) error {
}

// when proposal become active
keeper.Hooks().AfterProposalVotingPeriodEnded(ctx, proposal.Id)
cacheCtx, writeCache := ctx.CacheContext()
err = keeper.Hooks().AfterProposalVotingPeriodEnded(cacheCtx, proposal.Id)
if err == nil { // purposely ignoring the error here not to halt the chain if the hook fails
writeCache()
} else {
keeper.Logger(ctx).Error("failed to execute AfterProposalVotingPeriodEnded hook", "error", err)
}

logger.Info(
"proposal tallied",
Expand Down
5 changes: 4 additions & 1 deletion x/gov/keeper/deposit.go
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Expand Up @@ -115,7 +115,10 @@ func (keeper Keeper) AddDeposit(ctx context.Context, proposalID uint64, deposito
}

// called when deposit has been added to a proposal, however the proposal may not be active
keeper.Hooks().AfterProposalDeposit(ctx, proposalID, depositorAddr)
err = keeper.Hooks().AfterProposalDeposit(ctx, proposalID, depositorAddr)
if err != nil {
return false, err
}

sdkCtx := sdk.UnwrapSDKContext(ctx)
sdkCtx.EventManager().EmitEvent(
Expand Down
15 changes: 10 additions & 5 deletions x/gov/keeper/hooks_test.go
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Expand Up @@ -27,24 +27,29 @@ type MockGovHooksReceiver struct {
AfterProposalVotingPeriodEndedValid bool
}

func (h *MockGovHooksReceiver) AfterProposalSubmission(ctx context.Context, proposalID uint64) {
func (h *MockGovHooksReceiver) AfterProposalSubmission(ctx context.Context, proposalID uint64) error {
h.AfterProposalSubmissionValid = true
return nil
}

func (h *MockGovHooksReceiver) AfterProposalDeposit(ctx context.Context, proposalID uint64, depositorAddr sdk.AccAddress) {
func (h *MockGovHooksReceiver) AfterProposalDeposit(ctx context.Context, proposalID uint64, depositorAddr sdk.AccAddress) error {
h.AfterProposalDepositValid = true
return nil
}

func (h *MockGovHooksReceiver) AfterProposalVote(ctx context.Context, proposalID uint64, voterAddr sdk.AccAddress) {
func (h *MockGovHooksReceiver) AfterProposalVote(ctx context.Context, proposalID uint64, voterAddr sdk.AccAddress) error {
h.AfterProposalVoteValid = true
return nil
}

func (h *MockGovHooksReceiver) AfterProposalFailedMinDeposit(ctx context.Context, proposalID uint64) {
func (h *MockGovHooksReceiver) AfterProposalFailedMinDeposit(ctx context.Context, proposalID uint64) error {
h.AfterProposalFailedMinDepositValid = true
return nil
}

func (h *MockGovHooksReceiver) AfterProposalVotingPeriodEnded(ctx context.Context, proposalID uint64) {
func (h *MockGovHooksReceiver) AfterProposalVotingPeriodEnded(ctx context.Context, proposalID uint64) error {
h.AfterProposalVotingPeriodEndedValid = true
return nil
}

func TestHooks(t *testing.T) {
Expand Down
5 changes: 4 additions & 1 deletion x/gov/keeper/proposal.go
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Expand Up @@ -114,7 +114,10 @@ func (keeper Keeper) SubmitProposal(ctx context.Context, messages []sdk.Msg, met
}

// called right after a proposal is submitted
keeper.Hooks().AfterProposalSubmission(ctx, proposalID)
err = keeper.Hooks().AfterProposalSubmission(ctx, proposalID)
if err != nil {
return v1.Proposal{}, err
}

sdkCtx.EventManager().EmitEvent(
sdk.NewEvent(
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5 changes: 4 additions & 1 deletion x/gov/keeper/vote.go
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Expand Up @@ -42,7 +42,10 @@ func (keeper Keeper) AddVote(ctx context.Context, proposalID uint64, voterAddr s
}

// called after a vote on a proposal is cast
keeper.Hooks().AfterProposalVote(ctx, proposalID, voterAddr)
err = keeper.Hooks().AfterProposalVote(ctx, proposalID, voterAddr)
if err != nil {
return err
}

sdkCtx := sdk.UnwrapSDKContext(ctx)
sdkCtx.EventManager().EmitEvent(
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10 changes: 5 additions & 5 deletions x/gov/types/expected_keepers.go
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Expand Up @@ -67,11 +67,11 @@ type BankKeeper interface {

// GovHooks event hooks for governance proposal object (noalias)
type GovHooks interface {
AfterProposalSubmission(ctx context.Context, proposalID uint64) // Must be called after proposal is submitted
AfterProposalDeposit(ctx context.Context, proposalID uint64, depositorAddr sdk.AccAddress) // Must be called after a deposit is made
AfterProposalVote(ctx context.Context, proposalID uint64, voterAddr sdk.AccAddress) // Must be called after a vote on a proposal is cast
AfterProposalFailedMinDeposit(ctx context.Context, proposalID uint64) // Must be called when proposal fails to reach min deposit
AfterProposalVotingPeriodEnded(ctx context.Context, proposalID uint64) // Must be called when proposal's finishes it's voting period
AfterProposalSubmission(ctx context.Context, proposalID uint64) error // Must be called after proposal is submitted
AfterProposalDeposit(ctx context.Context, proposalID uint64, depositorAddr sdk.AccAddress) error // Must be called after a deposit is made
AfterProposalVote(ctx context.Context, proposalID uint64, voterAddr sdk.AccAddress) error // Must be called after a vote on a proposal is cast
AfterProposalFailedMinDeposit(ctx context.Context, proposalID uint64) error // Must be called when proposal fails to reach min deposit
AfterProposalVotingPeriodEnded(ctx context.Context, proposalID uint64) error // Must be called when proposal's finishes it's voting period
}

type GovHooksWrapper struct{ GovHooks }
Expand Down
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