chore: add compiler assertions for capability module (cosmos#4654)

* chore: add compiler assertions for capability module

* chore: add HasGenesis assertion

modules/capability/module.go

@@ -19,16 +19,18 @@ import (
 	"github.com/cosmos/cosmos-sdk/types/module"
 	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
 
-	abci "github.com/cometbft/cometbft/abci/types"
-
 	"github.com/cosmos/ibc-go/modules/capability/keeper"
 	"github.com/cosmos/ibc-go/modules/capability/simulation"
 	"github.com/cosmos/ibc-go/modules/capability/types"
 )
 
 var (
+	_ module.AppModule           = (*AppModule)(nil)
 	_ module.AppModuleBasic      = (*AppModuleBasic)(nil)
 	_ module.AppModuleSimulation = (*AppModule)(nil)
+	_ module.HasName             = (*AppModule)(nil)
+	_ module.HasConsensusVersion = (*AppModule)(nil)
+	_ module.HasGenesis          = (*AppModule)(nil)
 	_ appmodule.AppModule        = (*AppModule)(nil)
 	_ appmodule.HasBeginBlocker  = (*AppModule)(nil)
 )
@@ -113,23 +115,14 @@ func (am AppModule) Name() string {
 	return am.AppModuleBasic.Name()
 }
 
-// RegisterServices registers a GRPC query service to respond to the
-// module-specific GRPC queries.
-func (AppModule) RegisterServices(module.Configurator) {}
-
-// RegisterInvariants registers the capability module's invariants.
-func (AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
-
 // InitGenesis performs the capability module's genesis initialization It returns
 // no validator updates.
-func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, gs json.RawMessage) []abci.ValidatorUpdate {
+func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, gs json.RawMessage) {
 	var genState types.GenesisState
 	// Initialize global index to index in genesis state
 	cdc.MustUnmarshalJSON(gs, &genState)
 
 	InitGenesis(ctx, am.keeper, genState)
-
-	return []abci.ValidatorUpdate{}
 }
 
 // ExportGenesis returns the capability module's exported genesis state as raw JSON bytes.