437c356626
* Discard pre hard fork persisted tower if hard-forking
* Relax config.require_tower
* Add cluster test
* nits
* Remove unnecessary check
Co-authored-by: Ryo Onodera <ryoqun@gmail.com>
Co-authored-by: Carl Lin <carl@solana.com>
(cherry picked from commit 9821a7754c)
Co-authored-by: carllin <wumu727@gmail.com>