Upstream Diff, for reference only. #18
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It is now possible to create a Point from a constant.
This functionality is required to evaluate the old nullifier.
- for non split_notes, nf_old = Extract_P([PRF^{nfOrchard}_{nk}(rho_old) + psi_nf) mod q_P] NullifierK + cm_old)
- for split notes, nf_old = Extract_P([PRF^{nfOrchard}_{nk}(rho_old) + psi_nf) mod q_P] NullifierK + cm_old + NullifierL)
Short range checks on 4 and 5 bits are now performed with only one lookup (instead of 2). To do that, we added a column `table_short_range_tag` in the lookup table. This new column `table_short_range_tag` contains the value - 4 for rows used in short range check on 4 bits - 5 for rows used in short range check on 5 bits - 0 for rows used in short range check on 10 bits Disable tests on i686 and code coverage in CI
It is now possible to perform a mux between two points or between two non-identity points.
`mux(choice, left, right)` will return `left` when `choice=0` and `right` when `choice=1`.
`choice` must be constrained to `{0, 1}` outside the gate.
It is no longer needed to expose `from_coordinates_unchecked`.
…oint (#22) To share ZEC and ZSA hash computations in Orchard circuit's note commitment evaluation, we need to compute a Sinsemille hash from a private input point.
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This commit contains the following modifications: - Add tests for Lookup, ECC, Merkle, and Sinsemilla to verify that the verification key and the proof have not been modified by comparing them to those saved in a file. - Introduce a `LookupRangeCheck` trait that provides common methods for a lookup range check. - Use this new trait as a generic parameter in configs, chips and tests that are using lookup. - Create a new Lookup chip which is optimized for 4, 5 and 10-bit range check and add tests for this new chip. - Add `init_from_private_point` parameter in `SinsemillaConfig`. If this parameter is set to false, the `SinsemillaChip` is the same as the current `SinsemillaChip` used in vanilla circuit. Otherwise, the `SinsemillaChip` is modified to support hash from private point. --------- Co-authored-by: YaoGalteland <yao@qed-it.com> Co-authored-by: Dmitry Demin <dmitry@qed-it.com> Co-authored-by: Constance Beguier <constance@qed-it.com>
Fix clippy warnings
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OrchardZSA