To remove direct depend on rand_chacha needed to create the notion of a HashTranscript<H,R> which has a hash and an Rng for generating the announcement. This means Transcript is no longer implemented for Sha256 by itself.
Do some minimal documentation.
on ecdsa_fun
We dropped rand_chacha from sigma_fun but we do need it here so added depend.
The rest is putting in Transcripts everwhere (kinda gross but nothing
I can do about it)
on sigma_fun:
on ecdsa_fun