vbuterin 25f2efab19
Simplify sync protocol and update to calculate optimistic heads
1. Simplify `valid_updates` to `best_valid_update` so the `LightClientStore` only needs to store O(1) data
2. Track an optimistic head, by looking for the highest-slot header which passes a safety threshold
2021-11-26 15:11:19 -06:00
..