refactor(simapp): remove public module basic manager #15958

julienrbrt · 2023-04-26T15:39:05Z

Description

PR to investigate how to get group genesis working nicely with app v1 and app v2. Currently, InitGenesis utilizes the basic module manager, but we need an app module instantiated for creating an app module basic for appmodule.HasGenesis.

This removes the need to define a list AppModuleBasic in app.go and app_v2.go. Now it will infer it from the module manager.

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types/module/module.go

itsdevbear · 2023-04-26T17:07:12Z

@julienrbrt lmk if you need help here, I have a deep hated passion for having to define this variable LOL

julienrbrt · 2023-04-26T17:35:23Z

@julienrbrt lmk if you need help here, I have a deep hated passion for having to define this variable LOL

Haha thanks, the biggest wonder is how to make it nice when you need to manually instantiate AppModuleBasic (for gov and genutil f.e), but I have an idea.

julienrbrt · 2023-04-28T20:58:56Z

Feels a bit like a hack but what do you think?

itsdevbear · 2023-04-28T21:03:09Z

simapp/app_config.go

+	_ "cosmossdk.io/x/nft/module"                     // import for side-effects
+	_ "cosmossdk.io/x/upgrade"                        // import for side-effects
+	_ "github.com/cosmos/cosmos-sdk/x/auth/tx/config" // import for side-effects
+	_ "github.com/cosmos/cosmos-sdk/x/auth/vesting"   // import for side-effects


this is so hood.

Yeah, because we do not import the module directl now that there is no app basic imports, we need these for app wiring.
Fortunately depinject has a descriptive error message and points which import is missing.

simapp/app_v2.go

itsdevbear · 2023-04-28T21:03:32Z

simapp/simd/cmd/root.go

@@ -101,7 +102,7 @@ func NewRootCmd() *cobra.Command {
 		},
 	}

-	initRootCmd(rootCmd, encodingConfig)
+	initRootCmd(rootCmd, encodingConfig, tempApp.BasicModuleManager)


this feels big bad

Why do we need this tempApp and where is this coming from?

The origin is not to use depinject for app v1 (as this means we do not show how to get those values for app v1 apps).
For app v2 app, we can just use depinject. I can remove it to clean it up, but then it does mean that when building with the app legacy flag, it will still use the app wiring config.

One thing I can simply do is try to create a root.go and root_v2.go for both implementations. So we can simplify the example for those using depinject, where it is way cleaner.

Yeah that'd be fire actually!

Done, for app v1 it does need to stay like this. app v2 is way cleaner :)

itsdevbear · 2023-04-28T21:04:48Z

yeah this is kinda gross. I feel like it adds more complexity than it helps solve.

What if the Appliation interface forces the app to expose what modules it supports?

I think the thing that bugs me the most is the whole tempApp thing

julienrbrt · 2023-04-28T21:14:26Z

Yeah, the tempApp thing is definitely ugly. Unfortunately there are things about the app that we get only after app instantiation. We were already using it for that; hence I thought maybe it was ok to use it again for getting the app module basic.

types/module/module.go

+	for name, module := range manager.Modules {
+		if customBasicMod, ok := customModuleBasics[name]; ok {
+			moduleMap[name] = customBasicMod
+			continue
+		}
+
+		if basicMod, ok := module.(AppModuleBasic); ok {
+			moduleMap[name] = basicMod
+		}
+	}


simapp/app.go

aaronc · 2023-05-01T18:19:59Z

runtime/app.go

-	appConfig         *appv1alpha1.Config
-	logger            log.Logger
+	ModuleManager      *module.Manager
+	BasicModuleManager module.BasicManager


Why does this need to be exported?

I did that for parity with app v1, I won't do that anymore given I will create a second root.go for app v2 only 👍🏾

aaronc · 2023-05-01T18:21:39Z

simapp/simd/cmd/root.go

@@ -101,7 +102,7 @@ func NewRootCmd() *cobra.Command {
 		},
 	}

-	initRootCmd(rootCmd, encodingConfig)
+	initRootCmd(rootCmd, encodingConfig, tempApp.BasicModuleManager)


Why do we need this tempApp and where is this coming from?

aaronc · 2023-05-01T18:22:17Z

types/module/module.go

+
+		if basicMod, ok := module.(AppModuleBasic); ok {
+			moduleMap[name] = basicMod
+		}


Can we use an app module basic adapter for core app modules?

We can add a condition for that but we will still need this one.
In runtime, we can indeed directly use the adapter.

Okay, after a few trials, the core app module adapter does not work. I will leave it out of this PR.

Done the following in SetupAppBuilder

app.basicManager[name] = basicMod basicMod.RegisterInterfaces(inputs.InterfaceRegistry) basicMod.RegisterLegacyAminoCodec(inputs.LegacyAmino) basicMod := module.CoreAppModuleBasicAdaptor(name, mod)

And the following in NewBasicManagerFromManager

if appModule, ok := module.(appmodule.AppModule); ok { moduleMap[name] = CoreAppModuleBasicAdaptor(name, appModule) continue }

Something to investigate in a follow-up.

refactor(simapp): remove public app module basic

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julienrbrt changed the title ~~refactor(simapp): remove public app module basic~~ refactor(simapp): remove public module basic manager Apr 26, 2023

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Merge branch 'main' into julien/app-module-basic

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Merge branch 'main' into julien/app-module-basic

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julienrbrt marked this pull request as ready for review April 28, 2023 20:58

julienrbrt requested a review from a team as a code owner April 28, 2023 20:58

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itsdevbear reviewed Apr 28, 2023

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Merge branch 'main' into julien/app-module-basic

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Merge branch 'main' into julien/app-module-basic

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Merged via the queue into main with commit 946f3d6 May 2, 2023

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julienrbrt mentioned this pull request May 2, 2023

fix(types): add fallbacks for CoreAppModuleBasicAdaptor #16010

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larry0x pushed a commit to larry0x/cosmos-sdk that referenced this pull request May 22, 2023

refactor(simapp): remove public module basic manager (cosmos#15958)

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refactor(simapp): remove public module basic manager #15958

refactor(simapp): remove public module basic manager #15958

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refactor(simapp): remove public module basic manager #15958

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julienrbrt commented Apr 26, 2023 • edited Loading

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itsdevbear commented Apr 26, 2023

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