update stronghold

src/stores/stronghold.tsx

@@ -1,19 +1,22 @@
 import { create } from 'zustand';
+import { createJSONStorage, persist } from 'zustand/middleware';
 
 interface StrongholdState {
-  password: null | string;
   privkey: null | string;
-  setPassword: (password: string) => void;
   setPrivkey: (privkey: string) => void;
 }
 
-export const useStronghold = create<StrongholdState>((set) => ({
-  password: null,
-  privkey: null,
-  setPassword: (password: string) => {
-    set({ password: password });
-  },
-  setPrivkey: (privkey: string) => {
-    set({ privkey: privkey });
-  },
-}));
+export const useStronghold = create<StrongholdState>()(
+  persist(
+    (set) => ({
+      privkey: null,
+      setPrivkey: (privkey: string) => {
+        set({ privkey: privkey });
+      },
+    }),
+    {
+      name: 'stronghold',
+      storage: createJSONStorage(() => sessionStorage),
+    }
+  )
+);