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Merge PR cosmos#5563: Add v0.38.0 changelog
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@alexanderbez
alexanderbez authored Jan 23, 2020
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Expand Up @@ -37,6 +37,8 @@ Ref: https://keepachangelog.com/en/1.0.0/

## [Unreleased]

## [v0.38.0] - 2020-01-23

### State Machine Breaking

* (genesis) [\#5506](https://github.com/cosmos/cosmos-sdk/pull/5506) The `x/distribution` genesis state
Expand All @@ -52,23 +54,19 @@ logic has been implemented for v0.38 target version. Applications can migrate vi

### API Breaking Changes

* (modules) [\#5506](https://github.com/cosmos/cosmos-sdk/pull/5506) Remove individual setters of `x/distribution` parameters.
Instead, follow the module spec in getting parameters, setting new value(s) and finally calling `SetParams`.
* (types) [\#5495](https://github.com/cosmos/cosmos-sdk/pull/5495) Remove redundant `(Must)Bech32ify*` and `(Must)Get*KeyBech32`
functions in favor of `(Must)Bech32ifyPubKey` and `(Must)GetPubKeyFromBech32` respectively, both of
which take a `Bech32PubKeyType` (string).
* (types) [\#5430](https://github.com/cosmos/cosmos-sdk/pull/5430) `DecCoins#Add` parameter changed from `DecCoins`
to `...DecCoin`, `Coins#Add` parameter changed from `Coins` to `...Coin`
* (modules) [\#5506](https://github.com/cosmos/cosmos-sdk/pull/5506) Remove individual setters of `x/distribution` parameters. Instead, follow the module spec in getting parameters, setting new value(s) and finally calling `SetParams`.
* (types) [\#5495](https://github.com/cosmos/cosmos-sdk/pull/5495) Remove redundant `(Must)Bech32ify*` and `(Must)Get*KeyBech32` functions in favor of `(Must)Bech32ifyPubKey` and `(Must)GetPubKeyFromBech32` respectively, both of which take a `Bech32PubKeyType` (string).
* (types) [\#5430](https://github.com/cosmos/cosmos-sdk/pull/5430) `DecCoins#Add` parameter changed from `DecCoins`
to `...DecCoin`, `Coins#Add` parameter changed from `Coins` to `...Coin`.
* (baseapp/types) [\#5421](https://github.com/cosmos/cosmos-sdk/pull/5421) The `Error` interface (`types/errors.go`)
has been removed in favor of the concrete type defined in `types/errors/` which implements the standard `error`
interface. As a result, the `Handler` and `Querier` implementations now return a standard `error`.
has been removed in favor of the concrete type defined in `types/errors/` which implements the standard `error` interface.
* As a result, the `Handler` and `Querier` implementations now return a standard `error`.
Within `BaseApp`, `runTx` now returns a `(GasInfo, *Result, error)` tuple and `runMsgs` returns a
`(*Result, error)` tuple. A reference to a `Result` is now used to indicate success whereas an error
signals an invalid message or failed message execution. As a result, the fields `Code`, `Codespace`,
`GasWanted`, and `GasUsed` have been removed the `Result` type. The latter two fields are now found
in the `GasInfo` type which is always returned regardless of execution outcome.

Note to developers: Since all handlers and queriers must now return a standard `error`, the `types/errors/`
* Note to developers: Since all handlers and queriers must now return a standard `error`, the `types/errors/`
package contains all the relevant and pre-registered errors that you typically work with. A typical
error returned will look like `sdkerrors.Wrap(sdkerrors.ErrUnknownRequest, "...")`. You can retrieve
relevant ABCI information from the error via `ABCIInfo`.
Expand All @@ -80,11 +78,8 @@ have this method perform a no-op.
* (modules) [\#4665](https://github.com/cosmos/cosmos-sdk/issues/4665) Refactored `x/gov` module structure and dev-UX:
* Prepare for module spec integration
* Update gov keys to use big endian encoding instead of little endian
* (modules) [\#5017](https://github.com/cosmos/cosmos-sdk/pull/5017) The `x/genaccounts` module has been
deprecated and all components removed except the `legacy/` package.
* [\#4486](https://github.com/cosmos/cosmos-sdk/issues/4486) Vesting account types decoupled from the `x/auth` module and
now live under `x/auth/vesting`. Applications wishing to use vesting account types must be sure to register types via
`RegisterCodec` under the new vesting package.
* (modules) [\#5017](https://github.com/cosmos/cosmos-sdk/pull/5017) The `x/genaccounts` module has been deprecated and all components removed except the `legacy/` package.
* [\#4486](https://github.com/cosmos/cosmos-sdk/issues/4486) Vesting account types decoupled from the `x/auth` module and now live under `x/auth/vesting`. Applications wishing to use vesting account types must be sure to register types via `RegisterCodec` under the new vesting package.
* [\#4486](https://github.com/cosmos/cosmos-sdk/issues/4486) The `NewBaseVestingAccount` constructor returns an error
if the provided arguments are invalid.
* (x/auth) [\#5006](https://github.com/cosmos/cosmos-sdk/pull/5006) Modular `AnteHandler` via composable decorators:
Expand All @@ -98,14 +93,13 @@ if the provided arguments are invalid.
* `StdTx#GetSignatures` will return an array of just signature byte slices `[][]byte` instead of
returning an array of `StdSignature` structs. To replicate the old behavior, use the public field
`StdTx.Signatures` to get back the array of StdSignatures `[]StdSignature`.
* (modules) [\#5299](https://github.com/cosmos/cosmos-sdk/pull/5299) `HandleDoubleSign` along with params `MaxEvidenceAge`
and `DoubleSignJailEndTime` have moved from the `x/slashing` module to the `x/evidence` module.
* (keys) [\#4941](https://github.com/cosmos/cosmos-sdk/issues/4941) Keybase concrete types constructors such as `NewKeyBaseFromDir` and `NewInMemory`
now accept optional parameters of type `KeybaseOption`. These optional parameters are also added on the keys subcommands
functions, which are now public, and allows these options to be set on the commands or ignored to default to previous behavior.
* (modules) [\#5299](https://github.com/cosmos/cosmos-sdk/pull/5299) `HandleDoubleSign` along with params `MaxEvidenceAge` and `DoubleSignJailEndTime` have moved from the `x/slashing` module to the `x/evidence` module.
* (keys) [\#4941](https://github.com/cosmos/cosmos-sdk/issues/4941) Keybase concrete types constructors such as `NewKeyBaseFromDir` and `NewInMemory` now accept optional parameters of type `KeybaseOption`. These
optional parameters are also added on the keys sub-commands functions, which are now public, and allows
these options to be set on the commands or ignored to default to previous behavior.
* [\#5547](https://github.com/cosmos/cosmos-sdk/pull/5547) `NewKeyBaseFromHomeFlag` constructor has been removed.
* [\#5439](https://github.com/cosmos/cosmos-sdk/pull/5439) Further modularization was done to the `keybase`
package to make it more suitable for use with different key formats and algorithms:
package to make it more suitable for use with different key formats and algorithms:
* The `WithKeygenFunc` function added as a `KeybaseOption` which allows a custom bytes to key
implementation to be defined when keys are created.
* The `WithDeriveFunc` function added as a `KeybaseOption` allows custom logic for deriving a key
Expand All @@ -114,9 +108,8 @@ if the provided arguments are invalid.
the `client/keys` add command.
* `SupportedAlgos` and `SupportedAlgosLedger` functions return a slice of `SigningAlgo`s that are
supported by the keybase and the ledger integration respectively.
* (simapp) [\#5419](https://github.com/cosmos/cosmos-sdk/pull/5419) simapp/helpers.GenTx() now accepts a gas argument.
* (baseapp) [\#5455](https://github.com/cosmos/cosmos-sdk/issues/5455) An `sdk.Context` is passed into the `router.Route()`
function.
* (simapp) [\#5419](https://github.com/cosmos/cosmos-sdk/pull/5419) The `helpers.GenTx()` now accepts a gas argument.
* (baseapp) [\#5455](https://github.com/cosmos/cosmos-sdk/issues/5455) A `sdk.Context` is now passed into the `router.Route()` function.

### Client Breaking Changes

Expand Down Expand Up @@ -150,11 +143,11 @@ upgrade via: `sudo rm -rf /Library/Developer/CommandLineTools; xcode-select --in
correct version via: `pkgutil --pkg-info=com.apple.pkg.CLTools_Executables`.
* [\#5355](https://github.com/cosmos/cosmos-sdk/pull/5355) Client commands accept a new `--keyring-backend` option through which users can specify which backend should be used
by the new key store:
- `os`: use OS default credentials storage (default).
- `file`: use encrypted file-based store.
- `kwallet`: use [KDE Wallet](https://utils.kde.org/projects/kwalletmanager/) service.
- `pass`: use the [pass](https://www.passwordstore.org/) command line password manager.
- `test`: use password-less key store. *For testing purposes only. Use it at your own risk.*
* `os`: use OS default credentials storage (default).
* `file`: use encrypted file-based store.
* `kwallet`: use [KDE Wallet](https://utils.kde.org/projects/kwalletmanager/) service.
* `pass`: use the [pass](https://www.passwordstore.org/) command line password manager.
* `test`: use password-less key store. *For testing purposes only. Use it at your own risk.*
* (keys) [\#5097](https://github.com/cosmos/cosmos-sdk/pull/5097) New `keys migrate` command to assist users migrate their keys
to the new keyring.
* (keys) [\#5366](https://github.com/cosmos/cosmos-sdk/pull/5366) `keys list` now accepts a `--list-names` option to list key names only, whilst the `keys delete`
Expand Down Expand Up @@ -209,7 +202,6 @@ has been moved to the configuration file, to allow easier node configuration.
* (cli) [\#5116](https://github.com/cosmos/cosmos-sdk/issues/5116) The `CLIContext` now supports multiple verifiers
when connecting to multiple chains. The connecting chain's `CLIContext` will have to have the correct
chain ID and node URI or client set. To use a `CLIContext` with a verifier for another chain:

```go
// main or parent chain (chain as if you're running without IBC)
mainCtx := context.NewCLIContext()
Expand All @@ -223,7 +215,6 @@ chain ID and node URI or client set. To use a `CLIContext` with a verifier for a
context.CreateVerifier(sideCtx, context.DefaultVerifierCacheSize),
)
```

* (modules) [\#5017](https://github.com/cosmos/cosmos-sdk/pull/5017) The `x/auth` package now supports
generalized genesis accounts through the `GenesisAccount` interface.
* (modules) [\#4762](https://github.com/cosmos/cosmos-sdk/issues/4762) Deprecate remove and add permissions in ModuleAccount.
Expand Down Expand Up @@ -276,7 +267,7 @@ to detail this new feature and how state transitions occur.
* (x/genutil) [\#5499](https://github.com/cosmos/cosmos-sdk/pull/) Ensure `DefaultGenesis` returns valid and non-nil default genesis state.
* (client) [\#5303](https://github.com/cosmos/cosmos-sdk/issues/5303) Fix ignored error in tx generate only mode.
* (cli) [\#4763](https://github.com/cosmos/cosmos-sdk/issues/4763) Fix flag `--min-self-delegation` for staking `EditValidator`
* (keys) Fix ledger custom coin type support bug
* (keys) Fix ledger custom coin type support bug.
* (x/gov) [\#5107](https://github.com/cosmos/cosmos-sdk/pull/5107) Sum validator operator's all voting power when tally votes
* (rest) [\#5212](https://github.com/cosmos/cosmos-sdk/issues/5212) Fix pagination in the `/gov/proposals` handler.

Expand Down Expand Up @@ -2871,7 +2862,8 @@ BUG FIXES:

<!-- Release links -->

[Unreleased]: https://github.com/cosmos/cosmos-sdk/compare/v0.37.6...HEAD
[Unreleased]: https://github.com/cosmos/cosmos-sdk/compare/v0.38.0...HEAD
[v0.38.0]: https://github.com/cosmos/cosmos-sdk/releases/tag/v0.38.0
[v0.37.6]: https://github.com/cosmos/cosmos-sdk/releases/tag/v0.37.6
[v0.37.5]: https://github.com/cosmos/cosmos-sdk/releases/tag/v0.37.5
[v0.37.4]: https://github.com/cosmos/cosmos-sdk/releases/tag/v0.37.4
Expand Down

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