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

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased] - xxxx-xx-xx
### Added
- 403 Forbidden errors from the Mojang's API are now logged
- `QUEUE_LOOP_DELAY` configuration param to adjust Mojang's textures queue performance

### Changed
- Mojang's textures queue loop is now has an iteration delay of 2.5 seconds (was 1) 

## [4.2.3] - 2019-10-03
### Changed
- Mojang's textures queue batch size [reduced to 10](https://wiki.vg/index.php?title=Mojang_API&type=revision&diff=14964&oldid=14954).
- 400 BadRequest errors from the Mojang's API are now logged.

## [4.2.2] - 2019-06-19
### Fixed
- GC for in-memory textures cache has not been initialized.

## [4.2.1] - 2019-05-06
### Changed
- Improved Keep-Alive settings for HTTP client used to perform requests to Mojang's APIs.
- Mojang's textures queue now has static delay of 1 second after each iteration to prevent strange `429` errors.
- Mojang's textures queue now caches even errored responses for signed textures to avoid `429` errors.
- Mojang's textures queue now caches textures data for 70 seconds to avoid strange `429` errors.
- Mojang's textures queue now doesn't log timeout errors.

### Fixed
- Panic when Redis connection is broken.
- Duplication of Redis connections pool for Mojang's textures queue.
- Removed validation rules for `hash` field.

## [4.2.0] - 2019-05-02
### Added
- `CHANGELOG.md` file.
- [#1](https://github.com/elyby/chrly/issues/1): Restored Mojang skins proxy.
- New StatsD metrics:
  - Counters:
    - `ely.skinsystem.{hostname}.app.mojang_textures.invalid_username`
    - `ely.skinsystem.{hostname}.app.mojang_textures.request`
    - `ely.skinsystem.{hostname}.app.mojang_textures.usernames.cache_hit_nil`
    - `ely.skinsystem.{hostname}.app.mojang_textures.usernames.queued`
    - `ely.skinsystem.{hostname}.app.mojang_textures.usernames.cache_hit`
    - `ely.skinsystem.{hostname}.app.mojang_textures.already_in_queue`
    - `ely.skinsystem.{hostname}.app.mojang_textures.usernames.uuid_miss`
    - `ely.skinsystem.{hostname}.app.mojang_textures.usernames.uuid_hit`
    - `ely.skinsystem.{hostname}.app.mojang_textures.textures.cache_hit`
    - `ely.skinsystem.{hostname}.app.mojang_textures.textures.request`
  - Gauges:
    - `ely.skinsystem.{hostname}.app.mojang_textures.usernames.iteration_size`
    - `ely.skinsystem.{hostname}.app.mojang_textures.usernames.queue_size`
  - Timers:
    - `ely.skinsystem.{hostname}.app.mojang_textures.result_time`
    - `ely.skinsystem.{hostname}.app.mojang_textures.usernames.round_time`
    - `ely.skinsystem.{hostname}.app.mojang_textures.textures.request_time`

### Changed
- Bumped Go version to 1.12.
- Bumped Alpine version to 3.9.3.

### Fixed
- `/textures` request no longer proxies request to Mojang in a case when there is no information about the skin,
  but there is a cape.
- [#5](https://github.com/elyby/chrly/issues/5): Return Redis connection to the pool after commands are executed

### Removed
- `hash` field from `/textures` response because the game doesn't use it and calculates hash by getting the filename
  from the textures link instead.
- `hash` field from `POST /api/skins` endpoint.

[Unreleased]: https://github.com/elyby/chrly/compare/4.2.3...HEAD
[4.2.3]: https://github.com/elyby/chrly/compare/4.2.2...4.2.3
[4.2.2]: https://github.com/elyby/chrly/compare/4.2.1...4.2.2
[4.2.1]: https://github.com/elyby/chrly/compare/4.2.0...4.2.1
[4.2.0]: https://github.com/elyby/chrly/compare/4.1.1...4.2.0