// TODO - Cancellation token?
// TODO - not a fan of this function name - CatchUpCHT, AddMissingCHTBlocks, ...?
public Task BuildCHT()
{
return(Task.Run(() =>
{
lock (_chtLock)
{
if (_cht == null)
{
throw new InvalidAsynchronousStateException("CHT reference is null when building CHT.");
}
// Note: The spec says this should be 2048, but I don't think we'd ever want it to be higher than the max reorg depth we allow.
long maxSection = CanonicalHashTrie.GetSectionFromBlockNo(_blockTree.FindLatestHeader().Number - Sync.MaxReorgLength);
long maxKnownSection = _cht.GetMaxSectionIndex();
for (long section = (maxKnownSection + 1); section <= maxSection; section++)
{
long sectionStart = section * CanonicalHashTrie.SectionSize;
for (int blockOffset = 0; blockOffset < CanonicalHashTrie.SectionSize; blockOffset++)
{
_cht.Set(_blockTree.FindHeader(sectionStart + blockOffset));
}
_cht.Commit(section);
}
}
}));
}
