Add RPC for BLS secret to public key (#2841)
Add RPC for BLS secret to public key (#2841)

* Add RPC for BLS secret to public key

* Simplify and unify "bls s2pk"

* Reuse "generate"

* Revert "Reuse "generate""

This reverts commit c12388c5b5d54f6b8221c1e086e916426bb331c4.

* Rename sk2pk to fromsecret

ionomy/ion,dashpay/dash,UdjinM6/dash,ionomy/ion,nmarley/dash,nmarley/dash,ionomy/ion,nmarley/dash,nmarley/dash,thelazier/dash,UdjinM6/dash,UdjinM6/dash,nmarley/dash,thelazier/dash,thelazier/dash,dashpay/dash,ionomy/ion,dashpay/dash,dashpay/dash,thelazier/dash,nmarley/dash,ionomy/ion,UdjinM6/dash,nmarley/dash,ionomy/ion,UdjinM6/dash,thelazier/dash,dashpay/dash