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feat: adding CheckForMisbehaviour to ClientState interface #1197

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merged 6 commits into from
Mar 31, 2022
Merged

feat: adding CheckForMisbehaviour to ClientState interface #1197

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5d588b1
feat: adding CheckForMisbehaviour to ClientState interface
seantking Mar 30, 2022
1b21dcf
fix: comment
seantking Mar 30, 2022
a5f3d9d
nit: fix todo
seantking Mar 31, 2022
559c5a9
Merge branch '02-client-refactor' into sean/issue#1192-add-check-for-…
seantking Mar 31, 2022
a1166d1
chore: changelog
seantking Mar 31, 2022
71c82e8
Merge branch '02-client-refactor' into sean/issue#1192-add-check-for-…
seantking Mar 31, 2022
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2 changes: 1 addition & 1 deletion CHANGELOG.md
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Expand Up @@ -48,9 +48,9 @@ Ref: https://keepachangelog.com/en/1.0.0/
* (modules/core/02-client) [\#1196](https://github.com/cosmos/ibc-go/pull/1196) Adding VerifyClientMessage to ClientState interface.
* (modules/core/02-client) [\#1198](https://github.com/cosmos/ibc-go/pull/1198) Adding UpdateStateOnMisbehaviour to ClientState interface.
* (modules/core/02-client) [\#1170](https://github.com/cosmos/ibc-go/pull/1170) Updating `ClientUpdateProposal` to set client state in lightclient implementations `CheckSubstituteAndUpdateState` methods.
* (modules/core/02-client) [\#1197](https://github.com/cosmos/ibc-go/pull/1197) Adding `CheckForMisbehaviour` to `ClientState` interface.
* (modules/core/exported) [\#1206](https://github.com/cosmos/ibc-go/pull/1206) Adding new method `UpdateState` to `ClientState` interface.


### Features

### Bug Fixes
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5 changes: 5 additions & 0 deletions modules/core/02-client/legacy/v100/solomachine.go
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Expand Up @@ -88,6 +88,11 @@ func (cs ClientState) ExportMetadata(_ sdk.KVStore) []exported.GenesisMetadata {
panic("legacy solo machine is deprecated!")
}

// CheckForMisbehaviour panics!
func (cs ClientState) CheckForMisbehaviour(ctx sdk.Context, cdc codec.BinaryCodec, clientStore sdk.KVStore, msg exported.ClientMessage) bool {
panic("legacy solo machine is deprecated!")
}

// UpdateStateOnMisbehaviour panics!
func (cs *ClientState) UpdateStateOnMisbehaviour(
_ sdk.Context, _ codec.BinaryCodec, _ sdk.KVStore,
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3 changes: 3 additions & 0 deletions modules/core/exported/client.go
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Expand Up @@ -49,6 +49,9 @@ type ClientState interface {
// Clients must return their status. Only Active clients are allowed to process packets.
Status(ctx sdk.Context, clientStore sdk.KVStore, cdc codec.BinaryCodec) Status

// Checks for evidence of a misbehaviour in Header or Misbehaviour type
CheckForMisbehaviour(ctx sdk.Context, cdc codec.BinaryCodec, clientStore sdk.KVStore, msg ClientMessage) bool

// Genesis function
ExportMetadata(sdk.KVStore) []GenesisMetadata

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7 changes: 1 addition & 6 deletions modules/light-clients/07-tendermint/types/update_test.go
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Expand Up @@ -741,14 +741,9 @@ func (suite *TendermintTestSuite) TestCheckForMisbehaviour() {
tc.malleate()

clientState := path.EndpointA.GetClientState()

// TODO: remove casting when 'UpdateState' is an interface function.
tmClientState, ok := clientState.(*types.ClientState)
suite.Require().True(ok)

clientStore := suite.chainA.App.GetIBCKeeper().ClientKeeper.ClientStore(suite.chainA.GetContext(), path.EndpointA.ClientID)

foundMisbehaviour := tmClientState.CheckForMisbehaviour(
foundMisbehaviour := clientState.CheckForMisbehaviour(
suite.chainA.GetContext(),
suite.chainA.App.AppCodec(),
clientStore, // pass in clientID prefixed clientStore
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