* refactor packet_threshold adjustment code into own struct and add unittest for it
* fix a typo in error message
* code review feedbacks
* another code review feedback
* Update core/src/ancestor_hashes_service.rs
Co-authored-by: Trent Nelson <trent.a.b.nelson@gmail.com>
* share packet threshold with repair service (credit to carl)
Co-authored-by: Trent Nelson <trent.a.b.nelson@gmail.com>
Jeff Washington (jwash)
HaoranYi