added context

App.tsx

@@ -22,6 +22,7 @@ import MintImageStack from "./routes/MintImageStack";
 import AppLoading from "expo-app-loading";
 import { useFonts } from "expo-font";
 import Drawer from "./routes/Drawer";
+import { NiftyAppProvider } from "./utils/context";
 
 const NETWORK = clusterApiUrl("devnet");
 
@@ -371,9 +372,11 @@ export default function App() {
     return <AppLoading />;
   } else {
     return (
-      <NativeBaseProvider>
-        <Drawer />
-      </NativeBaseProvider>
+      <NiftyAppProvider>
+        <NativeBaseProvider>
+          <Drawer />
+        </NativeBaseProvider>
+      </NiftyAppProvider>
     );
   }
 }

utils/context.tsx

@@ -0,0 +1,27 @@
+import { PublicKey } from "@solana/web3.js";
+import React, { useState } from "react";
+import nacl from "tweetnacl";
+import { NiftyContext, NiftyState } from "./types";
+
+export const NiftyAppContext = React.createContext<NiftyContext>(null);
+
+export const NiftyAppProvider: React.FC<React.ReactNode> = ({ children }) => {
+  const initialState: NiftyState = {
+    dappkeypair: nacl.box.keyPair(),
+    sharedsecret: new Uint8Array([]),
+    phantomWalletPublicKey: "",
+    session: PublicKey.default,
+  };
+  const [state, setState] = useState(initialState);
+
+  const updateState = (newState: NiftyState) => {
+    setState({
+      ...newState,
+      ...state,
+    });
+  };
+
+  return (
+    <NiftyAppContext.Provider value={{ state, updateState }}>{children}</NiftyAppContext.Provider>
+  );
+};

utils/types.ts

@@ -0,0 +1,14 @@
+import { BoxKeyPair } from "tweetnacl";
+import { PublicKey } from "@solana/web3.js";
+
+export interface NiftyState {
+  dappkeypair: BoxKeyPair;
+  sharedsecret: Uint8Array;
+  phantomWalletPublicKey: string;
+  session: PublicKey;
+}
+
+export type NiftyContext = {
+  state: NiftyState;
+  updateState: (newState: NiftyState) => void;
+};