asserting toast is a toast 🫡🫡🫡

app/src/apps/sbt.tsx

@@ -63,7 +63,7 @@ export const sbtApp: AppType = {
     return (
       <Pressable onPress={() => {
         Clipboard.setString(txHash);
-        toast?.show('🖨️', {
+        toast.show('🖨️', {
           message: "Tx copied to clipboard",
           customData: {
             type: "success",
@@ -85,7 +85,7 @@ export const sbtApp: AppType = {
     const toast = useNavigationStore.getState().toast;
 
     Clipboard.setString(txHash);
-    toast?.show('🖨️', {
+    toast.show('🖨️', {
       message: "Tx copied to clipboard",
       customData: {
         type: "success",
@@ -167,7 +167,7 @@ export const sbtApp: AppType = {
       setStep(Steps.PROOF_GENERATED);
     } catch (error: any) {
       console.error(error);
-      toast?.show('Error', {
+      toast.show('Error', {
         message: error.message,
         customData: {
           type: "error",
@@ -196,7 +196,7 @@ export const sbtApp: AppType = {
 
     setStep(Steps.PROOF_SENDING);
 
-    toast?.show('🚀', {
+    toast.show('🚀', {
       message: "Transaction sent...",
       customData: {
         type: "info",
@@ -219,7 +219,7 @@ export const sbtApp: AppType = {
       console.log('receipt status:', receipt?.status);
 
       if (receipt?.status === 1) {
-        toast?.show('🎊', {
+        toast.show('🎊', {
           message: "SBT minted",
           customData: {
             type: "success",
@@ -229,7 +229,7 @@ export const sbtApp: AppType = {
           proofSentText: `SBT minted. Network: Sepolia. Transaction hash: ${txHash}`
         });
       } else {
-        toast?.show('Error', {
+        toast.show('Error', {
           message: "SBT mint failed",
           customData: {
             type: "error",
@@ -253,14 +253,14 @@ export const sbtApp: AppType = {
         const match = errorMessage.match(/execution reverted: "([^"]*)"/);
         if (match && match[1]) {
           console.log('Parsed blockchain error:', match[1]);
-          toast?.show('Error', {
+          toast.show('Error', {
             message: `Error: ${match[1]}`,
             customData: {
               type: "error",
             },
           })
         } else {
-          toast?.show('Error', {
+          toast.show('Error', {
             message: `Error: mint failed`,
             customData: {
               type: "error",

app/src/screens/MainScreen.tsx

@@ -79,7 +79,7 @@ const MainScreen: React.FC = () => {
     })
     setStep(Steps.NEXT_SCREEN);
     deleteMrzFields();
-    toast?.show("Using mock passport data!", { type: "info" })
+    toast.show("Using mock passport data!", { type: "info" })
   }
 
   const decrementStep = () => {

app/src/stores/navigationStore.ts

@@ -9,7 +9,7 @@ interface NavigationState {
   isZkeyDownloading: IsZkeyDownloading
   showWarningModal: ShowWarningModalProps
   hideData: boolean
-  toast: ReturnType<typeof useToastController> | null
+  toast: ReturnType<typeof useToastController>
   selectedTab: string
   selectedApp: AppType | null
   setToast: (toast: ReturnType<typeof useToastController>) => void;
@@ -30,7 +30,7 @@ const useNavigationStore = create<NavigationState>((set, get) => ({
   },
   hideData: false,
 
-  toast: null,
+  toast: null as unknown as ReturnType<typeof useToastController>,
 
   selectedTab: "scan",
   selectedApp: null,

app/src/stores/userStore.ts

@@ -112,7 +112,7 @@ const useUserStore = create<UserState>((set, get) => ({
     const isAlreadyRegistered = await isCommitmentRegistered(secret, passportData);
     if (isAlreadyRegistered) {
       console.log("commitment is already registered")
-      toast?.show('Identity already registered, skipping', {
+      toast.show('Identity already registered, skipping', {
         customData: {
           type: "info",
         },
@@ -172,7 +172,7 @@ const useUserStore = create<UserState>((set, get) => ({
       setStep(Steps.REGISTERED);
     } catch (error: any) {
       console.error(error);
-      toast?.show('Error', {
+      toast.show('Error', {
         message: "Error registering your identity, please relaunch the app",
         customData: {
           type: "error",

app/src/utils/cameraScanner.ts

@@ -20,7 +20,7 @@ export const startCameraScan = async () => {
       })
 
       setStep(Steps.MRZ_SCAN_COMPLETED);
-      toast?.show("Scan successful", {
+      toast.show("Scan successful", {
         message: 'Nice to meet you!',
         customData: {
           type: "success",
@@ -45,7 +45,7 @@ export const startCameraScan = async () => {
 
           setStep(Steps.MRZ_SCAN_COMPLETED);
           amplitude.track('Camera scan successful');
-          toast?.show("Scan successful", {
+          toast.show("Scan successful", {
             message: 'Nice to meet you!',
             customData: {
               type: "success",

app/src/utils/nfcScanner.ts

@@ -27,7 +27,7 @@ export const scan = async () => {
   );
 
   if (!check.success) {
-    toast?.show("Unvailable", {
+    toast.show("Unvailable", {
       message: check.message,
       customData: {
         type: "info",
@@ -67,7 +67,7 @@ const scanAndroid = async () => {
     console.log('error during scan:', e);
     setStep(Steps.MRZ_SCAN_COMPLETED);
     amplitude.track('NFC scan unsuccessful', { error: JSON.stringify(e) });
-    toast?.show('Error', {
+    toast.show('Error', {
       message: e.message,
       customData: {
         type: "error",
@@ -99,7 +99,7 @@ const scanIOS = async () => {
     setStep(Steps.MRZ_SCAN_COMPLETED);
     amplitude.track(`NFC scan unsuccessful, error ${e.message}`);
     if (!e.message.includes("UserCanceled")) {
-      toast?.show('Failed to read passport', {
+      toast.show('Failed to read passport', {
         message: e.message,
         customData: {
           type: "error",
@@ -184,7 +184,7 @@ const handleResponseIOS = async (
     console.log('error during parsing:', e);
     useNavigationStore.getState().setStep(Steps.MRZ_SCAN_COMPLETED);
     amplitude.track('Signature algorithm unsupported (ecdsa not parsed)', { error: JSON.stringify(e) });
-    toast?.show('Error', {
+    toast.show('Error', {
       message: "Your signature algorithm is not supported at that time. Please try again later.",
       customData: {
         type: "error",

app/src/utils/zkeyDownload.ts

@@ -183,7 +183,7 @@ export async function fetchZkey(
         }
       });
       amplitude.track('zkey download failed: ' + error.message);
-      toast?.show('Error', {
+      toast.show('Error', {
         message: `Error: ${error.message}`,
         customData: {
           type: "error",