ark-r1cs-std/CHANGELOG.md
CHANGELOG.mdRaw
1# CHANGELOG
2
3## Pending
4
5### Breaking changes
6
7- [\#134](https://github.com/arkworks-rs/r1cs-std/pull/134) Add `Mul<NonnativeFieldVar>` bounds and impls for `CurveVar`.
8- [\#135](https://github.com/arkworks-rs/r1cs-std/pull/135)
9 - Rename `NonNativeFieldVar` to `EmulatedFpVar`.
10 - Rename `fields::nonnative` to `fields::emulated_fp`.
11 - Rename `fields::nonnative::{Allocated}NonNativeMulResultVar` to `fields::emulated_fp::{Allocated}MulResultVar`.
12
13### Features
14
15### Improvements
16
17### Bug Fixes
18
19## 0.4.0
20
21- [\#117](https://github.com/arkworks-rs/r1cs-std/pull/117) Fix result of `precomputed_base_scalar_mul_le` to not discard previous value.
22- [\#124](https://github.com/arkworks-rs/r1cs-std/pull/124) Fix `scalar_mul_le` constraints unsatisfiability when short Weierstrass point is zero.
23- [\#127](https://github.com/arkworks-rs/r1cs-std/pull/127) Convert `NonNativeFieldVar` constants to little-endian bytes instead of big-endian (`ToBytesGadget`).
24
25### Breaking changes
26
27- [\#86](https://github.com/arkworks-rs/r1cs-std/pull/86) Change the API for domains for coset.
28
29### Features
30
31- [\#84](https://github.com/arkworks-rs/r1cs-std/pull/84) Expose `short_weierstrass::non_zero_affine` module
32 and implement `EqGadget` for `NonZeroAffineVar`.
33- [\#79](https://github.com/arkworks-rs/r1cs-std/pull/79) Move `NonNativeFieldVar` from `ark-nonnative` to `ark-r1cs-std`.
34- [\#76](https://github.com/arkworks-rs/r1cs-std/pull/76) Implement `ToBytesGadget` for `Vec<UInt8>`.
35- [nonnative/\#45](https://github.com/arkworks-rs/nonnative/pull/45) Add `new_witness_with_le_bits` which returns the bits used during variable allocation.
36
37### Improvements
38
39### Bug Fixes
40
41- [\#101](https://github.com/arkworks-rs/r1cs-std/pull/101) Fix `is_zero` for twisted Edwards curves.
42- [\#86](https://github.com/arkworks-rs/r1cs-std/pull/86) Make result of `query_position_to_coset` consistent with `ark-ldt`.
43- [\#77](https://github.com/arkworks-rs/r1cs-std/pull/77) Fix BLS12 `G2PreparedGadget`'s `AllocVar` when G2 uses a divisive twist.
44
45## v0.3.1
46
47### Features
48
49- [\#71](https://github.com/arkworks-rs/r1cs-std/pull/71) Implement the `Sum` trait for `FpVar`.
50- [\#75](https://github.com/arkworks-rs/r1cs-std/pull/71) Introduce `mul_by_inverse_unchecked` for `FieldVar`. This accompanies the bug fix in [\#70](https://github.com/arkworks-rs/r1cs-std/pull/70).
51
52### Bug Fixes
53
54- [\#70](https://github.com/arkworks-rs/r1cs-std/pull/70) Fix soundness issues of `mul_by_inverse` for field gadgets.
55
56## v0.3.0
57
58### Breaking changes
59
60- [\#60](https://github.com/arkworks-rs/r1cs-std/pull/60) Rename `AllocatedBit` to `AllocatedBool` for consistency with the `Boolean` variable.
61 You can update downstream usage with `grep -rl 'AllocatedBit' . | xargs env LANG=C env LC_CTYPE=C sed -i '' 's/AllocatedBit/AllocatedBool/g'`.
62- [\#65](https://github.com/arkworks-rs/r1cs-std/pull/65) Rename `Radix2Domain` in `r1cs-std` to `Radix2DomainVar`.
63- [nonnative/\#43](https://github.com/arkworks-rs/nonnative/pull/43) Add padding to allocated nonnative element's `to_bytes`.
64
65### Features
66
67- [\#53](https://github.com/arkworks-rs/r1cs-std/pull/53) Add univariate evaluation domain and Lagrange interpolation.
68
69### Improvements
70
71- [\#65](https://github.com/arkworks-rs/r1cs-std/pull/65) Add support for non-constant coset offset in `Radix2DomainVar`.
72
73### Bug Fixes
74
75## v0.2.0
76
77### Breaking changes
78
79- [\#12](https://github.com/arkworks-rs/r1cs-std/pull/12) Make the output of the `ToBitsGadget` impl for `FpVar` fixed-size
80- [\#48](https://github.com/arkworks-rs/r1cs-std/pull/48) Add `Clone` trait bound to `CondSelectGadget`.
81
82### Features
83
84- [\#21](https://github.com/arkworks-rs/r1cs-std/pull/21) Add `UInt128`
85- [\#50](https://github.com/arkworks-rs/r1cs-std/pull/50) Add `DensePolynomialVar`
86
87### Improvements
88
89- [\#5](https://github.com/arkworks-rs/r1cs-std/pull/5) Speedup BLS-12 pairing
90- [\#13](https://github.com/arkworks-rs/r1cs-std/pull/13) Add `ToConstraintFieldGadget` to `ProjectiveVar`
91- [\#15](https://github.com/arkworks-rs/r1cs-std/pull/15), #16 Allow `cs` to be `None` when converting a Montgomery point into a Twisted Edwards point
92- [\#20](https://github.com/arkworks-rs/r1cs-std/pull/20) Add `CondSelectGadget` impl for `UInt`s
93- [\#22](https://github.com/arkworks-rs/r1cs-std/pull/22) Reduce density of `three_bit_cond_neg_lookup`
94- [\#23](https://github.com/arkworks-rs/r1cs-std/pull/23) Reduce allocations in `UInt`s
95- [\#33](https://github.com/arkworks-rs/r1cs-std/pull/33) Speedup scalar multiplication by a constant
96- [\#35](https://github.com/arkworks-rs/r1cs-std/pull/35) Construct a `FpVar` from bits
97- [\#36](https://github.com/arkworks-rs/r1cs-std/pull/36) Implement `ToConstraintFieldGadget` for `Vec<Uint8>`
98- [\#40](https://github.com/arkworks-rs/r1cs-std/pull/40), #43 Faster scalar multiplication for Short Weierstrass curves by relying on affine formulae
99- [\#46](https://github.com/arkworks-rs/r1cs-std/pull/46) Add mux gadget as an auto-impl in `CondSelectGadget` to support random access of an array
100
101### Bug fixes
102
103- [\#8](https://github.com/arkworks-rs/r1cs-std/pull/8) Fix bug in `three_bit_cond_neg_lookup` when using a constant lookup bit
104- [\#9](https://github.com/arkworks-rs/r1cs-std/pull/9) Fix bug in `short_weierstrass::ProjectiveVar::to_affine`
105- [\#29](https://github.com/arkworks-rs/r1cs-std/pull/29) Fix `to_non_unique_bytes` for `BLS12::G1Prepared`
106- [\#34](https://github.com/arkworks-rs/r1cs-std/pull/34) Fix `mul_by_inverse` for constants
107- [\#42](https://github.com/arkworks-rs/r1cs-std/pull/42) Fix regression in `mul_by_inverse` constraint count
108- [\#47](https://github.com/arkworks-rs/r1cs-std/pull/47) Compile with `panic='abort'` in release mode, for safety of the library across FFI boundaries
109- [\#57](https://github.com/arkworks-rs/r1cs-std/pull/57) Clean up `UInt` docs
110
111## v0.1.0
112
113Initial release