# 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]

## [0.15.0] - 2021-03-15

### Added
- implement variant of subscription that returns finalized storage changes - [#237](https://github.com/paritytech/substrate-subxt/pull/237)
- implement session handling for unsubscribe in subxt-client - [#242](https://github.com/paritytech/substrate-subxt/pull/242)

### Changed
- update jsonrpsee [#251](https://github.com/paritytech/substrate-subxt/pull/251)
- return none if subscription returns early [#250](https://github.com/paritytech/substrate-subxt/pull/250)
- export ModuleError and RuntimeError for downstream usage - [#246](https://github.com/paritytech/substrate-subxt/pull/246)
- rpc client methods should be public for downstream usage - [#240](https://github.com/paritytech/substrate-subxt/pull/240)
- re-export WasmExecutionMethod for downstream usage - [#239](https://github.com/paritytech/substrate-subxt/pull/239)
- integration with jsonrpsee v2 - [#214](https://github.com/paritytech/substrate-subxt/pull/214)
- expose wasm execution method on subxt client config - [#230](https://github.com/paritytech/substrate-subxt/pull/230)
- Add hooks to register event types for decoding - [#227](https://github.com/paritytech/substrate-subxt/pull/227)
- Substrate 3.0 - [#232](https://github.com/paritytech/substrate-subxt/pull/232)

## [0.14.0] - 2021-02-05

- Refactor event type decoding and declaration [#221](https://github.com/paritytech/substrate-subxt/pull/221)
- Add Balances Locks [#197](https://github.com/paritytech/substrate-subxt/pull/197)
- Add event Phase::Initialization [#215](https://github.com/paritytech/substrate-subxt/pull/215)
- Make type explicit [#217](https://github.com/paritytech/substrate-subxt/pull/217)
- Upgrade dependencies, bumps substrate to 2.0.1 [#219](https://github.com/paritytech/substrate-subxt/pull/219)
- Export extra types [#212](https://github.com/paritytech/substrate-subxt/pull/212)
- Enable retrieval of constants from rutnime metadata [#207](https://github.com/paritytech/substrate-subxt/pull/207)
- register type sizes for u64 and u128 [#200](https://github.com/paritytech/substrate-subxt/pull/200)
- Remove some substrate dependencies to improve compile time [#194](https://github.com/paritytech/substrate-subxt/pull/194)
- propagate 'RuntimeError's to 'decode_raw_bytes' caller [#189](https://github.com/paritytech/substrate-subxt/pull/189)
- Derive `Clone` for `PairSigner` [#184](https://github.com/paritytech/substrate-subxt/pull/184)

## [0.13.0]

- Make the contract call extrinsic work [#165](https://github.com/paritytech/substrate-subxt/pull/165)
- Update to Substrate 2.0.0 [#173](https://github.com/paritytech/substrate-subxt/pull/173)
- Display RawEvent data in hex [#168](https://github.com/paritytech/substrate-subxt/pull/168)
- Add SudoUncheckedWeightCall [#167](https://github.com/paritytech/substrate-subxt/pull/167)
- Add Add SetCodeWithoutChecksCall [#166](https://github.com/paritytech/substrate-subxt/pull/166)
- Improve contracts pallet tests [#163](https://github.com/paritytech/substrate-subxt/pull/163)
- Make Metadata types public [#162](https://github.com/paritytech/substrate-subxt/pull/162)
- Fix option decoding and add basic sanity test [#161](https://github.com/paritytech/substrate-subxt/pull/161)
- Add staking support [#160](https://github.com/paritytech/substrate-subxt/pull/161)
- Decode option event arg [#158](https://github.com/paritytech/substrate-subxt/pull/158)
- Remove unnecessary Sync bound [#172](https://github.com/paritytech/substrate-subxt/pull/172)

## [0.12.0]

- Only return an error if the extrinsic failed. [#156](https://github.com/paritytech/substrate-subxt/pull/156)
- Update to rc6. [#155](https://github.com/paritytech/substrate-subxt/pull/155)
- Different assert. [#153](https://github.com/paritytech/substrate-subxt/pull/153)
- Add a method to fetch an unhashed key, close #100 [#152](https://github.com/paritytech/substrate-subxt/pull/152)
- Fix port number. [#151](https://github.com/paritytech/substrate-subxt/pull/151)
- Implement the `concat` in `twox_64_concat` [#150](https://github.com/paritytech/substrate-subxt/pull/150)
- Storage map iter [#148](https://github.com/paritytech/substrate-subxt/pull/148)

## [0.11.0]

- Fix build error, wabt 0.9.2 is yanked [#146](https://github.com/paritytech/substrate-subxt/pull/146)
- Rc5 [#143](https://github.com/paritytech/substrate-subxt/pull/143)
- Refactor: extract functions and types for creating extrinsics [#138](https://github.com/paritytech/substrate-subxt/pull/138)
- event subscription example [#140](https://github.com/paritytech/substrate-subxt/pull/140)
- Document the `Call` derive macro [#137](https://github.com/paritytech/substrate-subxt/pull/137)
- Document the #[module] macro [#135](https://github.com/paritytech/substrate-subxt/pull/135)
- Support authors api. [#134](https://github.com/paritytech/substrate-subxt/pull/134)

## [0.10.1] - 2020-06-19

- Release client v0.2.0 [#133](https://github.com/paritytech/substrate-subxt/pull/133)

## [0.10.0] - 2020-06-19

- Upgrade to substrate rc4 release [#131](https://github.com/paritytech/substrate-subxt/pull/131)
- Support unsigned extrinsics. [#130](https://github.com/paritytech/substrate-subxt/pull/130)

## [0.9.0] - 2020-06-25

- Events sub [#126](https://github.com/paritytech/substrate-subxt/pull/126)
- Improve error handling in proc-macros, handle DispatchError etc. [#123](https://github.com/paritytech/substrate-subxt/pull/123)
- Support embedded full/light node clients. [#91](https://github.com/paritytech/substrate-subxt/pull/91)
- Zero sized types [#121](https://github.com/paritytech/substrate-subxt/pull/121)
- Fix optional store items. [#120](https://github.com/paritytech/substrate-subxt/pull/120)
- Make signing fallable and asynchronous [#119](https://github.com/paritytech/substrate-subxt/pull/119)

## [0.8.0] - 2020-05-26

- Update to Substrate release candidate [#116](https://github.com/paritytech/substrate-subxt/pull/116)
- Update to alpha.8 [#114](https://github.com/paritytech/substrate-subxt/pull/114)
- Refactors the api [#113](https://github.com/paritytech/substrate-subxt/pull/113)

## [0.7.0] - 2020-05-13

- Split subxt [#102](https://github.com/paritytech/substrate-subxt/pull/102)
- Add support for RPC `state_getReadProof` [#106](https://github.com/paritytech/substrate-subxt/pull/106)
- Update to substrate alpha.7 release [#105](https://github.com/paritytech/substrate-subxt/pull/105)
- Double map and plain storage support, introduce macros [#93](https://github.com/paritytech/substrate-subxt/pull/93)
- Raw payload return SignedPayload struct [#92](https://github.com/paritytech/substrate-subxt/pull/92)

## [0.6.0] - 2020-04-15

- Raw extrinsic payloads in Client [#83](https://github.com/paritytech/substrate-subxt/pull/83)
- Custom extras [#89](https://github.com/paritytech/substrate-subxt/pull/89)
- Wrap and export BlockNumber [#87](https://github.com/paritytech/substrate-subxt/pull/87)
- All substrate dependencies upgraded to `alpha.6`

## [0.5.0] - 2020-03-25

- First release
- All substrate dependencies upgraded to `alpha.5`