Method updatePrivValidatorPubKey

consensus/state.go:2258–2269

updatePrivValidatorPubKey get's the private validator public key and memoizes it. This func returns an error if the private validator is not responding or responds with an error.

()

// memoizes it. This func returns an error if the private validator is not
// responding or responds with an error.
func (cs *State) updatePrivValidatorPubKey() error {
	if cs.privValidator == nil {
		return nil
	}

	pubKey, err := cs.privValidator.GetPubKey()
	if err != nil {
		return err
	}
	cs.privValidatorPubKey = pubKey
	return nil
}

// look back to check existence of the node's consensus votes before joining consensus
func (cs *State) checkDoubleSigningRisk(height int64) error {