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state sync: correctly set last consensus params height (#5889)

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This commit is contained in:
Callum Waters
2021-01-12 14:41:16 +01:00
committed by Tess Rinearson
parent ad552b2bb1
commit cf3a720988
3 changed files with 9 additions and 6 deletions
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1
CHANGELOG_PENDING.md
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@@ -27,3 +27,4 @@ Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermi
- [evidence] \#5890 Add a buffer to evidence from consensus to avoid broadcasting and proposing evidence before the
height of such an evidence has finished (@cmwaters)
- [statesync] \#5889 Set `LastHeightConsensusParamsChanged` when bootstrapping Tendermint state (@cmwaters)

3
state/store.go
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@@ -205,7 +205,8 @@ func (store dbStore) Bootstrap(state State) error {
return err
}
if err := store.saveConsensusParamsInfo(height, height, state.ConsensusParams); err != nil {
if err := store.saveConsensusParamsInfo(height,
state.LastHeightConsensusParamsChanged, state.ConsensusParams); err != nil {
return err
}

11
statesync/stateprovider.go
View File

@@ -150,7 +150,7 @@ func (s *lightClientStateProvider) State(ctx context.Context, height uint64) (sm
if err != nil {
return sm.State{}, err
}
curLightBlock, err := s.lc.VerifyLightBlockAtHeight(ctx, int64(height+1), time.Now())
currentLightBlock, err := s.lc.VerifyLightBlockAtHeight(ctx, int64(height+1), time.Now())
if err != nil {
return sm.State{}, err
}
@@ -162,10 +162,10 @@ func (s *lightClientStateProvider) State(ctx context.Context, height uint64) (sm
state.LastBlockHeight = lastLightBlock.Height
state.LastBlockTime = lastLightBlock.Time
state.LastBlockID = lastLightBlock.Commit.BlockID
state.AppHash = curLightBlock.AppHash
state.LastResultsHash = curLightBlock.LastResultsHash
state.AppHash = currentLightBlock.AppHash
state.LastResultsHash = currentLightBlock.LastResultsHash
state.LastValidators = lastLightBlock.ValidatorSet
state.Validators = curLightBlock.ValidatorSet
state.Validators = currentLightBlock.ValidatorSet
state.NextValidators = nextLightBlock.ValidatorSet
state.LastHeightValidatorsChanged = nextLightBlock.Height
@@ -179,12 +179,13 @@ func (s *lightClientStateProvider) State(ctx context.Context, height uint64) (sm
return sm.State{}, fmt.Errorf("unable to create RPC client: %w", err)
}
rpcclient := lightrpc.NewClient(primaryRPC, s.lc)
result, err := rpcclient.ConsensusParams(ctx, &nextLightBlock.Height)
result, err := rpcclient.ConsensusParams(ctx, &currentLightBlock.Height)
if err != nil {
return sm.State{}, fmt.Errorf("unable to fetch consensus parameters for height %v: %w",
nextLightBlock.Height, err)
}
state.ConsensusParams = result.ConsensusParams
state.LastHeightConsensusParamsChanged = currentLightBlock.Height
return state, nil
}