fix: support amino encoding on MsgRecoverClient (#8448)

Co-authored-by: Gjermund Garaba <gjermund@garaba.net>
(cherry picked from commit de2f70a)

# Conflicts:
#	modules/core/02-client/types/codec.go
#	modules/core/02-client/types/tx.pb.go

Author: jtieri

modules/core/02-client/types/codec.go

@@ -1,7 +1,13 @@
 package types
 
 import (
+<<<<<<< HEAD
 	proto "github.com/cosmos/gogoproto/proto"
+=======
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/codec/legacy"
+	"github.com/cosmos/gogoproto/proto"
+>>>>>>> de2f70a4 (fix: support amino encoding on MsgRecoverClient (#8448))
 
 	errorsmod "cosmossdk.io/errors"
 
@@ -14,6 +20,12 @@ import (
 	"github.com/cosmos/ibc-go/v8/modules/core/exported"
 )
 
+// RegisterLegacyAminoCodec registers the necessary interfaces and concrete types
+// on the provided LegacyAmino codec. These types are used for Amino JSON serialization.
+func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
+	legacy.RegisterAminoMsg(cdc, &MsgRecoverClient{}, "cosmos-sdk/MsgRecoverClient")
+}
+
 // RegisterInterfaces registers the client interfaces to protobuf Any.
 func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 	registry.RegisterInterface(

modules/core/02-client/types/tx.pb.go

@@ -58,8 +58,10 @@ func (AppModule) IsOnePerModuleType() {}
 // IsAppModule implements the appmodule.AppModule interface.
 func (AppModule) IsAppModule() {}
 
-// RegisterLegacyAminoCodec does nothing. IBC does not support amino.
-func (AppModuleBasic) RegisterLegacyAminoCodec(*codec.LegacyAmino) {}
+// RegisterLegacyAminoCodec implements AppModuleBasic interface.
+func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
+	clienttypes.RegisterLegacyAminoCodec(cdc)
+}
 
 // DefaultGenesis returns default genesis state as raw bytes for the ibc
 // module.

modules/core/module.go

@@ -4,6 +4,7 @@ package ibc.core.client.v1;
 
 option go_package = "github.com/cosmos/ibc-go/v8/modules/core/02-client/types";
 
+import "amino/amino.proto";
 import "cosmos/msg/v1/msg.proto";
 import "cosmos/upgrade/v1beta1/upgrade.proto";
 import "gogoproto/gogo.proto";
@@ -120,6 +121,7 @@ message MsgSubmitMisbehaviourResponse {}
 
 // MsgRecoverClient defines the message used to recover a frozen or expired client.
 message MsgRecoverClient {
+  option (amino.name)                = "cosmos-sdk/MsgRecoverClient";
   option (gogoproto.goproto_getters) = false;
   option (cosmos.msg.v1.signer)      = "signer";