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miden-crypto/CHANGELOG.md
Qyriad b151773b0d
feat: implement concurrent Smt construction (#341) 
* merkle: add parent() helper function on NodeIndex
* smt: add pairs_to_leaf() to trait
* smt: add sorted_pairs_to_leaves() and test for it
* smt: implement single subtree-8 hashing, w/ benchmarks & tests

This will be composed into depth-8-subtree-based computation of entire
sparse Merkle trees.

* merkle: add a benchmark for constructing 256-balanced trees

This is intended for comparison with the benchmarks from the previous
commit. This benchmark represents the theoretical perfect-efficiency
performance we could possibly (but impractically) get for computing
depth-8 sparse Merkle subtrees.

* smt: test that SparseMerkleTree::build_subtree() is composable

* smt: test that subtree logic can correctly construct an entire tree

This commit ensures that `SparseMerkleTree::build_subtree()` can
correctly compose into building an entire sparse Merkle tree, without
yet getting into potential complications concurrency introduces.

* smt: implement test for basic parallelized subtree computation w/ rayon

Building on the previous commit, this commit implements a test proving
that `SparseMerkleTree::build_subtree()` can be composed into itself not
just concurrently, but in parallel, without issue.

* smt: add from_raw_parts() to trait interface

This commit adds a new required method to the SparseMerkleTree trait,
to allow generic construction from pre-computed parts.

This will be used to add a generic version of `with_entries()` in a
later commit.

* smt: add parallel constructors to Smt and SimpleSmt

What the previous few commits have been leading up to: SparseMerkleTree
now has a function to construct the tree from existing data in parallel.
This is significantly faster than the singlethreaded equivalent.
Benchmarks incoming!

---------

Co-authored-by: krushimir <krushimir@reilabs.co>
Co-authored-by: krushimir <kresimir.grofelnik@reilabs.io>
2024-12-04 10:54:41 -08:00

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## 0.13.0 (2024-11-24)
- Fixed a bug in the implementation of `draw_integers` for `RpoRandomCoin` (#343).
- [BREAKING] Refactor error messages and use `thiserror` to derive errors (#344).
- [BREAKING] Updated Winterfell dependency to v0.11 (#346).
## 0.12.0 (2024-10-30)
- [BREAKING] Updated Winterfell dependency to v0.10 (#338).
- Added parallel implementation of `Smt::with_entries()` with significantly better performance when the `concurrent` feature is enabled (#341).
## 0.11.0 (2024-10-17)
- [BREAKING]: renamed `Mmr::open()` into `Mmr::open_at()` and `Mmr::peaks()` into `Mmr::peaks_at()` (#234).
- Added `Mmr::open()` and `Mmr::peaks()` which rely on `Mmr::open_at()` and `Mmr::peaks()` respectively (#234).
- Standardized CI and Makefile across Miden repos (#323).
- Added `Smt::compute_mutations()` and `Smt::apply_mutations()` for validation-checked insertions (#327).
- Changed padding rule for RPO/RPX hash functions (#318).
- [BREAKING] Changed return value of the `Mmr::verify()` and `MerklePath::verify()` from `bool` to `Result<>` (#335).
- Added `is_empty()` functions to the `SimpleSmt` and `Smt` structures. Added `EMPTY_ROOT` constant to the `SparseMerkleTree` trait (#337).
## 0.10.3 (2024-09-25)
- Implement `get_size_hint` for `Smt` (#331).
## 0.10.2 (2024-09-25)
- Implement `get_size_hint` for `RpoDigest` and `RpxDigest` and expose constants for their serialized size (#330).
## 0.10.1 (2024-09-13)
- Added `Serializable` and `Deserializable` implementations for `PartialMmr` and `InOrderIndex` (#329).
## 0.10.0 (2024-08-06)
- Added more `RpoDigest` and `RpxDigest` conversions (#311).
- [BREAKING] Migrated to Winterfell v0.9 (#315).
- Fixed encoding of Falcon secret key (#319).
## 0.9.3 (2024-04-24)
- Added `RpxRandomCoin` struct (#307).
## 0.9.2 (2024-04-21)
- Implemented serialization for the `Smt` struct (#304).
- Fixed a bug in Falcon signature generation (#305).
## 0.9.1 (2024-04-02)
- Added `num_leaves()` method to `SimpleSmt` (#302).
## 0.9.0 (2024-03-24)
- [BREAKING] Removed deprecated re-exports from liballoc/libstd (#290).
- [BREAKING] Refactored RpoFalcon512 signature to work with pure Rust (#285).
- [BREAKING] Added `RngCore` as supertrait for `FeltRng` (#299).
# 0.8.4 (2024-03-17)
- Re-added unintentionally removed re-exported liballoc macros (`vec` and `format` macros).
# 0.8.3 (2024-03-17)
- Re-added unintentionally removed re-exported liballoc macros (#292).
# 0.8.2 (2024-03-17)
- Updated `no-std` approach to be in sync with winterfell v0.8.3 release (#290).
## 0.8.1 (2024-02-21)
- Fixed clippy warnings (#280)
## 0.8.0 (2024-02-14)
- Implemented the `PartialMmr` data structure (#195).
- Implemented RPX hash function (#201).
- Added `FeltRng` and `RpoRandomCoin` (#237).
- Accelerated RPO/RPX hash functions using AVX512 instructions (#234).
- Added `inner_nodes()` method to `PartialMmr` (#238).
- Improved `PartialMmr::apply_delta()` (#242).
- Refactored `SimpleSmt` struct (#245).
- Replaced `TieredSmt` struct with `Smt` struct (#254, #277).
- Updated Winterfell dependency to v0.8 (#275).
## 0.7.1 (2023-10-10)
- Fixed RPO Falcon signature build on Windows.
## 0.7.0 (2023-10-05)
- Replaced `MerklePathSet` with `PartialMerkleTree` (#165).
- Implemented clearing of nodes in `TieredSmt` (#173).
- Added ability to generate inclusion proofs for `TieredSmt` (#174).
- Implemented Falcon DSA (#179).
- Added conditional `serde`` support for various structs (#180).
- Implemented benchmarking for `TieredSmt` (#182).
- Added more leaf traversal methods for `MerkleStore` (#185).
- Added SVE acceleration for RPO hash function (#189).
## 0.6.0 (2023-06-25)
- [BREAKING] Added support for recording capabilities for `MerkleStore` (#162).
- [BREAKING] Refactored Merkle struct APIs to use `RpoDigest` instead of `Word` (#157).
- Added initial implementation of `PartialMerkleTree` (#156).
## 0.5.0 (2023-05-26)
- Implemented `TieredSmt` (#152, #153).
- Implemented ability to extract a subset of a `MerkleStore` (#151).
- Cleaned up `SimpleSmt` interface (#149).
- Decoupled hashing and padding of peaks in `Mmr` (#148).
- Added `inner_nodes()` to `MerkleStore` (#146).
## 0.4.0 (2023-04-21)
- Exported `MmrProof` from the crate (#137).
- Allowed merging of leaves in `MerkleStore` (#138).
- [BREAKING] Refactored how existing data structures are added to `MerkleStore` (#139).
## 0.3.0 (2023-04-08)
- Added `depth` parameter to SMT constructors in `MerkleStore` (#115).
- Optimized MMR peak hashing for Miden VM (#120).
- Added `get_leaf_depth` method to `MerkleStore` (#119).
- Added inner node iterators to `MerkleTree`, `SimpleSmt`, and `Mmr` (#117, #118, #121).
## 0.2.0 (2023-03-24)
- Implemented `Mmr` and related structs (#67).
- Implemented `MerkleStore` (#93, #94, #95, #107 #112).
- Added benchmarks for `MerkleStore` vs. other structs (#97).
- Added Merkle path containers (#99).
- Fixed depth handling in `MerklePathSet` (#110).
- Updated Winterfell dependency to v0.6.
## 0.1.4 (2023-02-22)
- Re-export winter-crypto Hasher, Digest & ElementHasher (#72)
## 0.1.3 (2023-02-20)
- Updated Winterfell dependency to v0.5.1 (#68)
## 0.1.2 (2023-02-17)
- Fixed `Rpo256::hash` pad that was panicking on input (#44)
- Added `MerklePath` wrapper to encapsulate Merkle opening verification and root computation (#53)
- Added `NodeIndex` Merkle wrapper to encapsulate Merkle tree traversal and mappings (#54)
## 0.1.1 (2023-02-06)
- Introduced `merge_in_domain` for the RPO hash function, to allow using a specified domain value in the second capacity register when hashing two digests together.
- Added a simple sparse Merkle tree implementation.
- Added re-exports of Winterfell RandomCoin and RandomCoinError.
## 0.1.0 (2022-12-02)
- Initial release on crates.io containing the cryptographic primitives used in Miden VM and the Miden Rollup.
- Hash module with the BLAKE3 and Rescue Prime Optimized hash functions.
- BLAKE3 is implemented with 256-bit, 192-bit, or 160-bit output.
- RPO is implemented with 256-bit output.
- Merkle module, with a set of data structures related to Merkle trees, implemented using the RPO hash function.
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