private static IEnumerable <ulong> GetSubFingerprintMatches(IReadOnlyList <int> hashes, int thresholdVotes, ReadOnlyTransaction tx)
{
var counter = new Dictionary <ulong, int>();
for (var table = 0; table < hashes.Count; ++table)
{
var hashBin = hashes[table];
var ids = tx.GetSubFingerprintsByHashTableAndHash(table, hashBin);
foreach (var id in ids)
{
counter.TryGetValue(id, out var count);
counter[id] = count + 1;
}
}
return(counter
.Where(pair => pair.Value >= thresholdVotes)
.Select(p => p.Key));
}
