func()

in go/storage/certdatabase.go [89:115]

• 18 lines of code
• 7 McCabe index (conditional complexity)

func (db *CertDatabase) EnsureCacheIsConsistent() error {
	storageEpoch, err := db.getStorageEpoch()
	if err != nil {
		return err
	}

	cacheEpoch, err := db.cache.GetEpoch()
	if err != nil {
		return err
	}

	if cacheEpoch == storageEpoch+1 || (cacheEpoch == 0 && storageEpoch == 0) {
		return nil
	}

	// The epochs are inconsistent, so we'll reset the cached log states
	// based on what's in storage. This ensures that the ct-fetch process
	// downloads a portion of each log that is contiguous with what's
	// already in storage.
	logStates, err := db.GetCTLogsFromStorage()
	if err != nil {
		return err
	}

	return db.cache.Restore(storageEpoch+1, logStates)

}