feat(wallet): Add NetworkController initialization

README.md

@@ -572,6 +572,7 @@ linkStyle default opacity:0.5
   wallet --> controller_utils;
   wallet --> keyring_controller;
   wallet --> messenger;
+  wallet --> network_controller;
   wallet --> storage_service;
 ```
 

packages/wallet/package.json

@@ -59,6 +59,7 @@
     "@metamask/controller-utils": "^12.1.0",
     "@metamask/keyring-controller": "^26.0.0",
     "@metamask/messenger": "^1.2.0",
+    "@metamask/network-controller": "^32.0.0",
     "@metamask/scure-bip39": "^2.1.1",
     "@metamask/storage-service": "^1.0.1",
     "@metamask/utils": "^11.9.0"

packages/wallet/src/Wallet.test.ts

@@ -14,6 +14,9 @@ const TEST_PASSWORD = 'testpass';
 async function setupWallet(): Promise<Wallet> {
   const wallet = new Wallet({
     instanceOptions: {
+      networkController: {
+        infuraProjectId: 'fake-infura-project-id',
+      },
       storageService: {
         storage: new InMemoryStorageAdapter(),
       },
@@ -70,6 +73,9 @@ describe('Wallet', () => {
         keyringController: {
           encryptor: new MockEncryptor(),
         },
+        networkController: {
+          infuraProjectId: 'fake-infura-project-id',
+        },
         storageService: {
           storage: new InMemoryStorageAdapter(),
         },
@@ -112,6 +118,9 @@ describe('Wallet', () => {
         },
       ],
       instanceOptions: {
+        networkController: {
+          infuraProjectId: 'fake-infura-project-id',
+        },
         storageService: {
           storage: new InMemoryStorageAdapter(),
         },
@@ -212,6 +221,9 @@ describe('Wallet', () => {
           },
         },
         instanceOptions: {
+          networkController: {
+            infuraProjectId: 'fake-infura-project-id',
+          },
           storageService: {
             storage: new InMemoryStorageAdapter(),
           },

packages/wallet/src/initialization/instances/index.ts

@@ -1,3 +1,4 @@
 export { approvalController } from './approval-controller/approval-controller';
 export { keyringController } from './keyring-controller/keyring-controller';
+export { networkController } from './network-controller/network-controller';
 export { storageService } from './storage-service/storage-service';

packages/wallet/src/initialization/instances/network-controller/network-controller.ts

@@ -0,0 +1,35 @@
+import { Messenger } from '@metamask/messenger';
+import {
+  NetworkController,
+  NetworkControllerMessenger,
+} from '@metamask/network-controller';
+
+import { InitializationConfiguration } from '../../types';
+
+export const networkController: InitializationConfiguration<
+  NetworkController,
+  NetworkControllerMessenger
+> = {
+  name: 'NetworkController',
+  init: ({ state, messenger, options }) =>
+    new NetworkController({
+      state,
+      messenger,
+      infuraProjectId: options.infuraProjectId,
+    }),
+  getMessenger: (parent) => {
+    const networkControllerMessenger: NetworkControllerMessenger =
+      new Messenger({
+        namespace: 'NetworkController',
+        parent,
+      });
+
+    parent.delegate({
+      messenger: networkControllerMessenger,
+      actions: ['ConnectivityController:getState'],
+      events: [],
+    });
+
+    return networkControllerMessenger;
+  },
+};

packages/wallet/src/initialization/instances/network-controller/types.ts

@@ -0,0 +1,6 @@
+/**
+ * Per-instance options for the wallet's `NetworkController`.
+ */
+export type NetworkControllerInstanceOptions = {
+  infuraProjectId: string;
+};

packages/wallet/src/types.ts

@@ -7,8 +7,9 @@ import type {
 } from './initialization/defaults';
 import type { ApprovalControllerInstanceOptions } from './initialization/instances/approval-controller/types';
 import type { KeyringControllerInstanceOptions } from './initialization/instances/keyring-controller/types';
+import type { NetworkControllerInstanceOptions } from './initialization/instances/network-controller/types';
 import type { StorageServiceInstanceOptions } from './initialization/instances/storage-service/types';
-import { InitializationConfiguration } from './initialization/types';
+import type { InitializationConfiguration } from './initialization/types';
 
 export type WalletOptions = {
   messenger?: RootMessenger<DefaultActions, DefaultEvents>;
@@ -23,5 +24,6 @@ export type WalletOptions = {
 export type InstanceSpecificOptions = {
   approvalController?: ApprovalControllerInstanceOptions;
   keyringController?: KeyringControllerInstanceOptions;
+  networkController: NetworkControllerInstanceOptions;
   storageService: StorageServiceInstanceOptions;
 };

packages/wallet/tsconfig.build.json

@@ -11,6 +11,7 @@
     { "path": "../controller-utils/tsconfig.build.json" },
     { "path": "../keyring-controller/tsconfig.build.json" },
     { "path": "../messenger/tsconfig.build.json" },
+    { "path": "../network-controller/tsconfig.build.json" },
     { "path": "../storage-service/tsconfig.build.json" }
   ],
   "include": ["../../types", "./src"]

packages/wallet/tsconfig.json

@@ -9,6 +9,7 @@
     { "path": "../controller-utils/tsconfig.json" },
     { "path": "../keyring-controller/tsconfig.json" },
     { "path": "../messenger/tsconfig.json" },
+    { "path": "../network-controller/tsconfig.json" },
     { "path": "../storage-service/tsconfig.json" }
   ],
   "include": ["../../types", "./src"]

yarn.lock

@@ -8828,6 +8828,7 @@ __metadata:
     "@metamask/controller-utils": "npm:^12.1.0"
     "@metamask/keyring-controller": "npm:^26.0.0"
     "@metamask/messenger": "npm:^1.2.0"
+    "@metamask/network-controller": "npm:^32.0.0"
     "@metamask/scure-bip39": "npm:^2.1.1"
     "@metamask/storage-service": "npm:^1.0.1"
     "@metamask/utils": "npm:^11.9.0"