Feat: Add background events

packages/examples/packages/browserify-plugin/snap.manifest.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/MetaMask/snaps.git"
   },
   "source": {
-    "shasum": "SquG9JvLanG/gJwBw5H1AZBlsthmv21Ci4Vn+sMemjM=",
+    "shasum": "XMEM/j4XBZLY1nz8Ow7kFic+ReGDTkBwZrGmAnj5YJk=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",

packages/examples/packages/browserify/snap.manifest.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/MetaMask/snaps.git"
   },
   "source": {
-    "shasum": "pCp96i558WHqHIUZyZGUFcxAfOQ0afBHJ59nJB5ma78=",
+    "shasum": "4Ld6BCuGlD4EQddRn2VHfW+NaDKU4SR54G5IW5bN3D8=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",

packages/examples/packages/cronjobs/snap.manifest.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/MetaMask/snaps.git"
   },
   "source": {
-    "shasum": "z06MC0KYtySDOdGTKH+afyyu3GWBu4LnKc4FVvfq1Oo=",
+    "shasum": "+Y2G5jljVTKefA0vWgTQ+k4QLaC4uyLI6aMunBPFbOg=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",
@@ -17,6 +17,10 @@
     }
   },
   "initialPermissions": {
+    "endowment:rpc": {
+      "dapps": true,
+      "snaps": false
+    },
     "endowment:cronjob": {
       "jobs": [
         {

packages/examples/packages/cronjobs/src/index.ts

@@ -1,4 +1,7 @@
-import type { OnCronjobHandler } from '@metamask/snaps-sdk';
+import type {
+  OnCronjobHandler,
+  OnRpcRequestHandler,
+} from '@metamask/snaps-sdk';
 import { panel, text, heading, MethodNotFoundError } from '@metamask/snaps-sdk';
 
 /**
@@ -29,6 +32,55 @@ export const onCronjob: OnCronjobHandler = async ({ request }) => {
           ]),
         },
       });
+    case 'fireNotification':
+      return snap.request({
+        method: 'snap_notify',
+        params: {
+          type: 'inApp',
+          message: 'Hello world!',
+        },
+      });
+    default:
+      // eslint-disable-next-line @typescript-eslint/no-throw-literal
+      throw new MethodNotFoundError({ method: request.method });
+  }
+};
+
+/**
+ * Handle incoming JSON-RPC requests from the dapp, sent through the
+ * `wallet_invokeSnap` method. This handler handles two methods:
+ *
+ * - `scheduleNotification`: Schedule a notification in the future.
+ *
+ * @param params - The request parameters.
+ * @param params.request - The JSON-RPC request object.
+ * @returns The JSON-RPC response.
+ * @see https://docs.metamask.io/snaps/reference/exports/#onrpcrequest
+ * @see https://docs.metamask.io/snaps/reference/rpc-api/#wallet_invokesnap
+ */
+export const onRpcRequest: OnRpcRequestHandler = async ({ request }) => {
+  switch (request.method) {
+    case 'scheduleNotification':
+      return snap.request({
+        method: 'snap_scheduleBackgroundEvent',
+        params: {
+          date: (request.params as Record<string, string>).date,
+          request: {
+            method: 'fireNotification',
+          },
+        },
+      });
+    case 'cancelNotification':
+      return snap.request({
+        method: 'snap_cancelBackgroundEvent',
+        params: {
+          id: (request.params as Record<string, string>).id,
+        },
+      });
+    case 'getBackgroundEvents':
+      return snap.request({
+        method: 'snap_getBackgroundEvents',
+      });
     default:
       // eslint-disable-next-line @typescript-eslint/no-throw-literal
       throw new MethodNotFoundError({ method: request.method });

packages/snaps-controllers/coverage.json

@@ -1,6 +1,6 @@
 {
-  "branches": 92.89,
-  "functions": 96.71,
-  "lines": 98,
-  "statements": 97.71
+  "branches": 92.98,
+  "functions": 95.98,
+  "lines": 97.97,
+  "statements": 97.63
 }