## 0.7.0 (TBD) * Replaced `MerklePathSet` with `PartialMerkleTree` (#165). * Implemented clearing of nodes in `TieredSmt` (#173). * Added ability to generate inclusion proofs for `TieredSmt` (#174). * Added conditional `serde`` support for various structs (#180). * Implemented benchmarking for `TieredSmt` (#182). * Added more leaf traversal methods for `MerkleStore` (#185). ## 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.