DefaultIndexConfig return default index config for tests.

NewHighestBeforeSeq creates new HighestBeforeSeq vector.

NewHighestBeforeTime creates new HighestBeforeTime vector.

NewIndex creates Index instance.

NewLowestAfterSeq creates new LowestAfterSeq vector.

Index is a data to detect forkless-cause condition, calculate median timestamp, detect forks.

IndexCacheConfig - config for cache sizes of Index.

IndexConfig - Index config (cache sizes).