skin and bones working demo of eip-5630-snap flavored walletauth

.nvmrc

@@ -0,0 +1 @@
+v16.20.0

package.json

@@ -29,7 +29,10 @@
     "vite": "^4.0.0"
   },
   "dependencies": {
+    "@noble/hashes": "^1.3.0",
+    "@noble/secp256k1": "^2.0.0",
     "@oddjs/odd": "^0.37.0",
-    "@oddjs/odd-walletauth": "^0.2.2"
+    "@oddjs/odd-walletauth": "^0.2.2",
+    "eip1193-provider": "^1.0.1"
   }
 }

src/global.d.ts

@@ -1 +1,21 @@
 /// <reference types="@sveltejs/kit" />
+
+import { MetaMaskInpageProvider } from '@metamask/providers';
+/*
+ * Window type extension to support ethereum
+ */
+
+export type GetSnapsResponse = Record<string, Snap>;
+
+export type Snap = {
+  permissionName: string;
+  id: string;
+  version: string;
+  initialPermissions: Record<string, unknown>;
+};
+
+declare global {
+  interface Window {
+    ethereum: MetaMaskInpageProvider;
+  }
+}