refactor: routing MsgSubmitMisbehaviour to UpdateClient keeper fn (co…

…smos#1188)

* refactor: routing MsgSubmitMisbehaviour to UpdateClient keeper fn

* chore: updating changelog and comment for deprecated notice

* fix: channel proto file linter issue + adding deprecated flag to MsgSubmitMisbehavior

* chore: fix changelog

CHANGELOG.md

@@ -43,6 +43,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### State Machine Breaking
 
 ### Improvements
+* (modules/core/02-client) [\#1188](https://github.com/cosmos/ibc-go/pull/1188/files) Routing `MsgSubmitMisbehaviour` to `UpdateClient` keeper function. Deprecating `SubmitMisbehaviour` endpoint.
+
 
 * (modules/core/02-client) [\#1208](https://github.com/cosmos/ibc-go/pull/1208) Replace `CheckHeaderAndUpdateState` usage in 02-client with calls to `VerifyClientMessage`, `CheckForMisbehaviour`, `UpdateStateOnMisbehaviour` and `UpdateState`. 
 * (modules/light-clients/09-localhost) [\#1187](https://github.com/cosmos/ibc-go/pull/1187/) Removing localhost light client implementation as it is not functional. 

docs/ibc/proto-docs.md

@@ -2060,9 +2060,9 @@ ResponseResultType defines the possible outcomes of the execution of a message
 
 | Name | Number | Description |
 | ---- | ------ | ----------- |
-| RESPONSE_RESULT_UNSPECIFIED | 0 | Default zero value enumeration |
-| RESPONSE_RESULT_NOOP | 1 | The message did not call the IBC application callbacks (because, for example, the packet had already been relayed) |
-| RESPONSE_RESULT_SUCCESS | 2 | The message was executed successfully |
+| RESPONSE_RESULT_TYPE_UNSPECIFIED | 0 | Default zero value enumeration |
+| RESPONSE_RESULT_TYPE_NOOP | 1 | The message did not call the IBC application callbacks (because, for example, the packet had already been relayed) |
+| RESPONSE_RESULT_TYPE_SUCCESS | 2 | The message was executed successfully |
 
 
  <!-- end enums -->
@@ -2487,13 +2487,14 @@ MsgCreateClientResponse defines the Msg/CreateClient response type.
 ### MsgSubmitMisbehaviour
 MsgSubmitMisbehaviour defines an sdk.Msg type that submits Evidence for
 light client misbehaviour.
+Warning: DEPRECATED
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| `client_id` | [string](#string) |  | client unique identifier |
-| `misbehaviour` | [google.protobuf.Any](#google.protobuf.Any) |  | misbehaviour used for freezing the light client |
-| `signer` | [string](#string) |  | signer address |
+| `client_id` | [string](#string) |  | **Deprecated.** client unique identifier |
+| `misbehaviour` | [google.protobuf.Any](#google.protobuf.Any) |  | **Deprecated.** misbehaviour used for freezing the light client |
+| `signer` | [string](#string) |  | **Deprecated.** signer address |