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CHANGELOG.md

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CHANGELOG

All notable changes to this project will be documented in this file.

6.1.0 2023-08-30

Added

  • Support for python>=3.7
  • Support for Keccak functions beyond SHA3

Changed

  • Constant-time operations in proof verification

6.0.0 2023-07-19

This version introduces significant optimizations.

Added

  • append_entry method
  • hash_empty and hash_raw methods
  • append_entries operation to SqliteTree

Changed

  • BaseMerkleTree private interface
  • hash_leaf renamed to hash_entry
  • hash_nodes renamed to hash_pair

Removed

  • UnsupportedParameter

5.0.3 2023-06-11

Removed

  • init_from_entries from base class

Changed

  • Apply hash precomputation
  • Pass iterable to init_from_entries

5.0.0 2023-06-08

Removed

  • proof timestamp
  • size, length, root and height properties
  • tree metadata getter
  • append_entry
  • has_previous_state

Added

  • InmemoryTree implementation
  • SqliteTree implementation
  • state and size getter

Changed

  • Inclusion proof interface
  • Consistency proof interface
  • Renamed HashEngine toMerkleHasher
  • Renamed hash_pair to hash_nodes
  • Renamed hash_entry to hash_leaf
  • Return leaf index when appending entry
  • Drop hexadecimal representations

4.0.0 2023-03-06

Added

  • verify_inclusion
  • InvalidChallengeError when requesting a proof for invalid parameters
  • append_entry method
  • find_leaf method

Changed

  • Access root hash as .root
  • Return hash on append
  • Simplify proof serialization
  • Remove created_at field from proof
  • Remove NoPathException
  • Remove proof json utilities
  • Rename Proof to MerkleProof
  • Rename proof header to metadata
  • Remove node serialization
  • Rename generate_consistency_proof to prove_consistency
  • Rename generate_audit_proof to prove_inclusion
  • Remove tree serialization, representation and stringification
  • Remove tree comparison operators
  • Remove uuid from proof and tree objects
  • Remove file encryption
  • Remove md5 from supported hash algorithms
  • Remove root_hash property

3.0.0 2022-05-21

This is the first documented release version, following 2.0.2. The result of a major refactoring, it introduces significant breaking changes to the API. Here we list only a few of the most striking ones.

Added

  • get_root_hash public method

Changed

  • Raise InvalidProof in case of verification failure
  • Attach verification to the proof object
  • Remove validator object
  • Remove no raw-bytes mode
  • Always include commitments to proofs
  • Rename update to append_leaf
  • Uniformly apply snake case to public method names
  • Remove InvalidChallengeError
  • Remove proof verification receipt
  • Rename validateProof to verify_proof