AppModuleGenesis seperation

int

Author: rigelrozanski

types/module.go

@@ -78,9 +78,16 @@ func (mbm ModuleBasicManager) ValidateGenesis(genesis map[string]json.RawMessage
 }
 
 //_________________________________________________________
+// AppModuleGenesis is the standard form for an application module genesis functions
+type AppModuleGenesis interface {
+	AppModuleBasic
+	InitGenesis(Context, json.RawMessage) []abci.ValidatorUpdate
+	ExportGenesis(Context) json.RawMessage
+}
+
 // AppModule is the standard form for an application module
 type AppModule interface {
-	AppModuleBasic
+	AppModuleGenesis
 
 	// registers
 	RegisterInvariants(InvariantRouter)
@@ -91,14 +98,49 @@ type AppModule interface {
 	QuerierRoute() string
 	NewQuerierHandler() Querier
 
-	// genesis
-	InitGenesis(Context, json.RawMessage) []abci.ValidatorUpdate
-	ExportGenesis(Context) json.RawMessage
-
 	BeginBlock(Context, abci.RequestBeginBlock) Tags
 	EndBlock(Context, abci.RequestEndBlock) ([]abci.ValidatorUpdate, Tags)
 }
 
+//___________________________
+// app module
+type GenesisOnlyAppModule struct {
+	AppModuleGenesis
+}
+
+// NewGenesisOnlyAppModule creates a new GenesisOnlyAppModule object
+func NewGenesisOnlyAppModule(amg AppModuleGenesis) AppModule {
+	return GenesisOnlyAppModule{
+		AppModuleGenesis: amg,
+	}
+}
+
+// register invariants
+func (GenesisOnlyAppModule) RegisterInvariants(_ InvariantRouter) {}
+
+// module message route ngame
+func (GenesisOnlyAppModule) Route() string { return "" }
+
+// module handler
+func (GenesisOnlyAppModule) NewHandler() Handler { return nil }
+
+// module querier route ngame
+func (GenesisOnlyAppModule) QuerierRoute() string { return "" }
+
+// module querier
+func (gam GenesisOnlyAppModule) NewQuerierHandler() Querier { return nil }
+
+// module begin-block
+func (gam GenesisOnlyAppModule) BeginBlock(ctx Context, req abci.RequestBeginBlock) Tags {
+	return EmptyTags()
+}
+
+// module end-block
+func (GenesisOnlyAppModule) EndBlock(_ Context, _ abci.RequestEndBlock) ([]abci.ValidatorUpdate, Tags) {
+	return []abci.ValidatorUpdate{}, EmptyTags()
+}
+
+//____________________________________________________________________________
 // module manager provides the high level utility for managing and executing
 // operations for a group of modules
 type ModuleManager struct {

x/genaccounts/module.go

@@ -10,8 +10,8 @@ import (
 )
 
 var (
-	_ sdk.AppModule      = AppModule{}
-	_ sdk.AppModuleBasic = AppModuleBasic{}
+	_ sdk.AppModuleGenesis = AppModule{}
+	_ sdk.AppModuleBasic   = AppModuleBasic{}
 )
 
 // module name
@@ -66,29 +66,14 @@ type AppModule struct {
 }
 
 // NewAppModule creates a new AppModule object
-func NewAppModule(accountKeeper AccountKeeper) AppModule {
+func NewAppModule(accountKeeper AccountKeeper) sdk.AppModule {
 
-	return AppModule{
+	return sdk.NewGenesisOnlyAppModule(AppModule{
 		AppModuleBasic: AppModuleBasic{},
 		accountKeeper:  accountKeeper,
-	}
+	})
 }
 
-// register invariants
-func (AppModule) RegisterInvariants(_ sdk.InvariantRouter) {}
-
-// module message route name
-func (AppModule) Route() string { return "" }
-
-// module handler
-func (AppModule) NewHandler() sdk.Handler { return nil }
-
-// module querier route name
-func (AppModule) QuerierRoute() string { return "" }
-
-// module querier
-func (am AppModule) NewQuerierHandler() sdk.Querier { return nil }
-
 // module init-genesis
 func (am AppModule) InitGenesis(ctx sdk.Context, data json.RawMessage) []abci.ValidatorUpdate {
 	var genesisState GenesisState
@@ -102,13 +87,3 @@ func (am AppModule) ExportGenesis(ctx sdk.Context) json.RawMessage {
 	gs := ExportGenesis(ctx, am.accountKeeper)
 	return moduleCdc.MustMarshalJSON(gs)
 }
-
-// module begin-block
-func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) sdk.Tags {
-	return sdk.EmptyTags()
-}
-
-// module end-block
-func (AppModule) EndBlock(_ sdk.Context, _ abci.RequestEndBlock) ([]abci.ValidatorUpdate, sdk.Tags) {
-	return []abci.ValidatorUpdate{}, sdk.EmptyTags()
-}

x/genutil/module.go

@@ -9,8 +9,8 @@ import (
 )
 
 var (
-	_ sdk.AppModule      = AppModule{}
-	_ sdk.AppModuleBasic = AppModuleBasic{}
+	_ sdk.AppModuleGenesis = AppModule{}
+	_ sdk.AppModuleBasic   = AppModuleBasic{}
 )
 
 // module name
@@ -53,31 +53,16 @@ type AppModule struct {
 
 // NewAppModule creates a new AppModule object
 func NewAppModule(accountKeeper AccountKeeper,
-	stakingKeeper StakingKeeper, deliverTx deliverTxfn) AppModule {
+	stakingKeeper StakingKeeper, deliverTx deliverTxfn) sdk.AppModule {
 
-	return AppModule{
+	return sdk.NewGenesisOnlyAppModule(AppModule{
 		AppModuleBasic: AppModuleBasic{},
 		accountKeeper:  accountKeeper,
 		stakingKeeper:  stakingKeeper,
 		deliverTx:      deliverTx,
-	}
+	})
 }
 
-// register invariants
-func (AppModule) RegisterInvariants(_ sdk.InvariantRouter) {}
-
-// module message route name
-func (AppModule) Route() string { return "" }
-
-// module handler
-func (AppModule) NewHandler() sdk.Handler { return nil }
-
-// module querier route name
-func (AppModule) QuerierRoute() string { return "" }
-
-// module querier
-func (am AppModule) NewQuerierHandler() sdk.Querier { return nil }
-
 // module init-genesis
 func (am AppModule) InitGenesis(ctx sdk.Context, data json.RawMessage) []abci.ValidatorUpdate {
 	var genesisState GenesisState
@@ -89,13 +74,3 @@ func (am AppModule) InitGenesis(ctx sdk.Context, data json.RawMessage) []abci.Va
 func (am AppModule) ExportGenesis(ctx sdk.Context) json.RawMessage {
 	return nil
 }
-
-// module begin-block
-func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) sdk.Tags {
-	return sdk.EmptyTags()
-}
-
-// module end-block
-func (AppModule) EndBlock(_ sdk.Context, _ abci.RequestEndBlock) ([]abci.ValidatorUpdate, sdk.Tags) {
-	return []abci.ValidatorUpdate{}, sdk.EmptyTags()
-}