* remove support for HF12 and below
* remove MLSAG support
* clean up monero cryptography naming
* get rid of "optional first argument" pattern, in favor of mandatory argument that is allowed to be None
(and fix several bugs related to this feature)
Co-authored-by: grdddj <jiri.musil06@seznam.cz>
Co-authored-by: Martin Milata <martin@martinmilata.cz>
Co-authored-by: matejcik <ja@matejcik.cz>
Changes many fields to required -- as far as we were able to figure out,
signing would fail if these fields aren't provided anyway, so this
should not pose a compatibility problem.
Co-authored-by: matejcik <ja@matejcik.cz>