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

The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) 
(modification: no type change headlines) and this project adheres to 
[Semantic Versioning](http://semver.org/spec/v2.0.0.html).

## [2.3.2] - 2018-09-24
- Fixed a bug in verify proof if the tree contains an extension node with an embedded branch node, PR [#51](https://github.com/ethereumjs/merkle-patricia-tree/pull/51)
- Fixed ``_scratch`` 'leak' to global/window, PR [#42](https://github.com/ethereumjs/merkle-patricia-tree/pull/42)
- Fixed coverage report leaving certain tests, PR [#53](https://github.com/ethereumjs/merkle-patricia-tree/pull/53)

[2.3.2]: https://github.com/ethereumjs/merkle-patricia-tree/compare/v2.3.1...v2.3.2

## [2.3.1] - 2018-03-14
- Fix OutOfMemory bug when trying to create a read stream on large trie structures 
  (e.g. a current state DB from a Geth node), PR [#38](https://github.com/ethereumjs/merkle-patricia-tree/pull/38)
- Fix race condition due to mutated ``_getDBs``/``_putDBs``, PR [#28](https://github.com/ethereumjs/merkle-patricia-tree/pull/28)

[2.3.1]: https://github.com/ethereumjs/merkle-patricia-tree/compare/v2.3.0...v2.3.1

## [2.3.0] - 2017-11-30
- Methods for merkle proof generation ``Trie.prove()`` and verification ``Trie.verifyProof()`` (see [./proof.js](./proof.js))

[2.3.0]: https://github.com/ethereumjs/merkle-patricia-tree/compare/v2.2.0...v2.3.0

## [2.2.0] - 2017-08-03
- Renamed ``root`` functions argument to ``nodeRef`` for passing a node reference
- Make ``findPath()`` (path to node for given key) a public method

[2.2.0]: https://github.com/ethereumjs/merkle-patricia-tree/compare/v2.1.2...v2.2.0

## [2.1.2] - 2016-03-01
- Added benchmark (see [./benchmarks/](./benchmarks/))
- Updated dependencies

[2.1.2]: https://github.com/ethereumjs/merkle-patricia-tree/compare/v2.1.1...v2.1.2

## [2.1.1] - 2016-01-06
- Added README, API documentation
- Dependency updates

[2.1.1]: https://github.com/ethereumjs/merkle-patricia-tree/compare/2.0.3...v2.1.1

## [2.0.3] - 2015-09-24
- Initial, first of the currently released version on npm

[2.0.3]: https://github.com/ethereumjs/merkle-patricia-tree/compare/1.1.x...2.0.3