Method saveValidatorsInfo

state/store.go:556–584

saveValidatorsInfo persists the validator set. `height` is the effective height for which the validator is responsible for signing. It should be called from s.Save(), right before the state itself is persisted.

(height, lastHeightChanged int64, valSet *types.ValidatorSet)

// signing. It should be called from s.Save(), right before the state itself is
// persisted.
func (store dbStore) saveValidatorsInfo(height, lastHeightChanged int64, valSet *types.ValidatorSet) error {
	if lastHeightChanged > height {
		return errors.New("lastHeightChanged cannot be greater than ValidatorsInfo height")
	}
	valInfo := &tmstate.ValidatorsInfo{
		LastHeightChanged: lastHeightChanged,
	}
	// Only persist validator set if it was updated or checkpoint height (see
	// valSetCheckpointInterval) is reached.
	if height == lastHeightChanged || height%valSetCheckpointInterval == 0 {
		pv, err := valSet.ToProto()
		if err != nil {
			return err
		}
		valInfo.ValidatorSet = pv
	}

	bz, err := valInfo.Marshal()
	if err != nil {
		return err
	}

	err = store.db.Set(calcValidatorsKey(height), bz)
	if err != nil {
		return err
	}

	return nil
}

//-----------------------------------------------------------------------------