func (this *Election) doUpdateCommittee(change *thispb.CommitteeChange) error {
if !this.wal.IsRecovering() {
walRecord := thispb.WALRecord{}
walRecord.CommitteeChange = change
_, errSync := wal.SyncChangeProto(this.wal, this.uid, &walRecord)
if errSync != nil {
this.Errorf("could not write committee change wal record: %v", errSync)
return errSync
}
}
round := change.GetNewElectionRound()
winner := change.GetNewElectionWinner()
this.electionHistoryMap[round] = winner
return nil
}
