refactor: migrate AppMetadataController to @metamask/messenger (#6385)

## Explanation

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This PR migrates the `AppMetadataController` class to the new
`@metamask/messenger` comm system, as opposed to the one exported from
`@metamask/base-controller`.

## References

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* Fixes #12345
* Related to #67890
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* Related to #5626

## Checklist

- [ ] I've updated the test suite for new or updated code as appropriate
- [ ] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [ ] I've communicated my changes to consumers by [updating changelogs
for packages I've
changed](https://github.com/MetaMask/core/tree/main/docs/contributing.md#updating-changelogs),
highlighting breaking changes as necessary
- [ ] I've prepared draft pull requests for clients and consumer
packages to resolve any breaking changes

Author: mikesposito

README.md

@@ -164,6 +164,7 @@ linkStyle default opacity:0.5
   announcement_controller --> base_controller;
   announcement_controller --> messenger;
   app_metadata_controller --> base_controller;
+  app_metadata_controller --> messenger;
   approval_controller --> base_controller;
   assets_controllers --> base_controller;
   assets_controllers --> controller_utils;

packages/app-metadata-controller/CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- **BREAKING:** Use new `Messenger` from `@metamask/messenger` ([#6385](https://github.com/MetaMask/core/pull/6385))
+  - Previously, `AppMetadataController` accepted a `RestrictedMessenger` instance from `@metamask/base-controller`.
+- **BREAKING:** Metadata property `anonymous` renamed to `includeInDebugSnapshot` ([#6385](https://github.com/MetaMask/core/pull/6385))
+
 ## [1.1.1]
 
 ### Changed

packages/app-metadata-controller/package.json

@@ -47,7 +47,8 @@
     "test:watch": "NODE_OPTIONS=--experimental-vm-modules jest --watch"
   },
   "dependencies": {
-    "@metamask/base-controller": "^8.4.2"
+    "@metamask/base-controller": "^8.4.2",
+    "@metamask/messenger": "^0.3.0"
   },
   "devDependencies": {
     "@metamask/auto-changelog": "^3.4.4",

packages/app-metadata-controller/src/AppMetadataController.test.ts

@@ -1,9 +1,16 @@
-import { Messenger, deriveStateFromMetadata } from '@metamask/base-controller';
+import { deriveStateFromMetadata } from '@metamask/base-controller/next';
+import {
+  Messenger,
+  MOCK_ANY_NAMESPACE,
+  type MockAnyNamespace,
+} from '@metamask/messenger';
 
 import {
   AppMetadataController,
   getDefaultAppMetadataControllerState,
   type AppMetadataControllerOptions,
+  type AppMetadataControllerActions,
+  type AppMetadataControllerEvents,
 } from './AppMetadataController';
 
 describe('AppMetadataController', () => {
@@ -128,7 +135,7 @@ describe('AppMetadataController', () => {
           deriveStateFromMetadata(
             controller.state,
             controller.metadata,
-            'anonymous',
+            'includeInDebugSnapshot',
           ),
         ).toMatchInlineSnapshot(`
           Object {
@@ -219,12 +226,20 @@ function withController<ReturnValue>(
 ): ReturnValue {
   const [options = {}, fn] = args.length === 2 ? args : [{}, args[0]];
 
-  const messenger = new Messenger<never, never>();
-
-  const appMetadataControllerMessenger = messenger.getRestricted({
-    name: 'AppMetadataController',
-    allowedActions: [],
-    allowedEvents: [],
+  const rootMessenger = new Messenger<
+    MockAnyNamespace,
+    AppMetadataControllerActions,
+    AppMetadataControllerEvents
+  >({ namespace: MOCK_ANY_NAMESPACE });
+
+  const appMetadataControllerMessenger = new Messenger<
+    'AppMetadataController',
+    AppMetadataControllerActions,
+    AppMetadataControllerEvents,
+    typeof rootMessenger
+  >({
+    namespace: 'AppMetadataController',
+    parent: rootMessenger,
   });
 
   return fn({

packages/app-metadata-controller/src/AppMetadataController.ts

@@ -1,10 +1,10 @@
-import { BaseController } from '@metamask/base-controller';
 import type {
   StateMetadata,
   ControllerGetStateAction,
   ControllerStateChangeEvent,
-  RestrictedMessenger,
-} from '@metamask/base-controller';
+} from '@metamask/base-controller/next';
+import { BaseController } from '@metamask/base-controller/next';
+import type { Messenger } from '@metamask/messenger';
 
 // Unique name for the controller
 const controllerName = 'AppMetadataController';
@@ -88,12 +88,10 @@ type AllowedEvents = never;
  * @returns A restricted messenger type that defines the allowed actions and events
  * for the AppMetadataController
  */
-export type AppMetadataControllerMessenger = RestrictedMessenger<
+export type AppMetadataControllerMessenger = Messenger<
   typeof controllerName,
   AppMetadataControllerActions | AllowedActions,
-  AppMetadataControllerEvents | AllowedEvents,
-  AllowedActions['type'],
-  AllowedEvents['type']
+  AppMetadataControllerEvents | AllowedEvents
 >;
 
 /**
@@ -105,25 +103,25 @@ const controllerMetadata = {
   currentAppVersion: {
     includeInStateLogs: true,
     persist: true,
-    anonymous: true,
+    includeInDebugSnapshot: true,
     usedInUi: false,
   },
   previousAppVersion: {
     includeInStateLogs: true,
     persist: true,
-    anonymous: true,
+    includeInDebugSnapshot: true,
     usedInUi: false,
   },
   previousMigrationVersion: {
     includeInStateLogs: true,
     persist: true,
-    anonymous: true,
+    includeInDebugSnapshot: true,
     usedInUi: false,
   },
   currentMigrationVersion: {
     includeInStateLogs: true,
     persist: true,
-    anonymous: true,
+    includeInDebugSnapshot: true,
     usedInUi: false,
   },
 } satisfies StateMetadata<AppMetadataControllerState>;

packages/app-metadata-controller/tsconfig.build.json

@@ -5,6 +5,9 @@
     "outDir": "./dist",
     "rootDir": "./src"
   },
-  "references": [{ "path": "../base-controller/tsconfig.build.json" }],
+  "references": [
+    { "path": "../base-controller/tsconfig.build.json" },
+    { "path": "../messenger/tsconfig.build.json" }
+  ],
   "include": ["../../types", "./src"]
 }

packages/app-metadata-controller/tsconfig.json

@@ -3,6 +3,6 @@
   "compilerOptions": {
     "baseUrl": "./"
   },
-  "references": [{ "path": "../base-controller" }],
+  "references": [{ "path": "../base-controller" }, { "path": "../messenger" }],
   "include": ["../../types", "./src"]
 }

yarn.lock

@@ -2710,6 +2710,7 @@ __metadata:
   dependencies:
     "@metamask/auto-changelog": "npm:^3.4.4"
     "@metamask/base-controller": "npm:^8.4.2"
+    "@metamask/messenger": "npm:^0.3.0"
     "@types/jest": "npm:^27.4.1"
     deepmerge: "npm:^4.2.2"
     jest: "npm:^27.5.1"