Method Bootstrap

state/store.go:207–233

BootstrapState saves a new state, used e.g. by state sync when starting from non-zero height.

(state State)

// BootstrapState saves a new state, used e.g. by state sync when starting from non-zero height.
func (store dbStore) Bootstrap(state State) error {
	height := state.LastBlockHeight + 1
	if height == 1 {
		height = state.InitialHeight
	}

	if height > 1 && !state.LastValidators.IsNilOrEmpty() {
		if err := store.saveValidatorsInfo(height-1, height-1, state.LastValidators); err != nil {
			return err
		}
	}

	if err := store.saveValidatorsInfo(height, height, state.Validators); err != nil {
		return err
	}

	if err := store.saveValidatorsInfo(height+1, height+1, state.NextValidators); err != nil {
		return err
	}

	if err := store.saveConsensusParamsInfo(height,
		state.LastHeightConsensusParamsChanged, state.ConsensusParams); err != nil {
		return err
	}

	return store.db.SetSync(stateKey, state.Bytes())
}

// PruneStates deletes states between the given heights (including from, excluding to). It is not
// guaranteed to delete all states, since the last checkpointed state and states being pointed to by