harmony-one/harmony v2.1.7

Mainnet Release v2.1.7

on GitHub

This is a major release to support open slot increase from 320 to 480 at epoch 208, from 480 to 640 at epoch 213. Besides, various changes/fixes are also added:

1. Use lru to cache BLS public key deserialization (#3176)
2. Set 106 as fixed BLS keys limit per validator (#3167)
3. Expose errors for SubmitTransaction RPC (#3169)