These were helper traits that we created to provide additional methods needed for halo2_proofs that the group crate traits didn't have, while we figured out what those needed additional methods were. Now that we've cut halo2_proofs 0.1.0, we need to finish the job:
Figure out how to better abstract these additional methods.
These were helper traits that we created to provide additional methods needed for
halo2_proofsthat thegroupcrate traits didn't have, while we figured out what those needed additional methods were. Now that we've cuthalo2_proofs 0.1.0, we need to finish the job:group.CurveExtandCurveAffinetraits.