bugfix/delete wallet with random password (#2422)

* datenow

* strinh

* checkunlocked

* setLocked

* ok

* p

* gobackfirst

* locale

* mounted

app/components/Views/Login/index.js

@@ -333,7 +333,8 @@ class Login extends PureComponent {
 		const { KeyringController } = Engine.context;
 		try {
 			await Engine.resetState();
-			await KeyringController.createNewVaultAndKeychain('');
+			await KeyringController.createNewVaultAndKeychain(`${Date.now()}`);
+			await KeyringController.setLocked();
 			this.deleteExistingUser();
 		} catch (error) {
 			Logger.log(error, `Failed to createNewVaultAndKeychain: ${error}`);

app/components/Views/QRScanner/index.js

@@ -10,6 +10,7 @@ import { strings } from '../../../../locales/i18n';
 import SharedDeeplinkManager from '../../../core/DeeplinkManager';
 import AppConstants from '../../../core/AppConstants';
 import { failedSeedPhraseRequirements, isValidMnemonic } from '../../../util/validators';
+import Engine from '../../../core/Engine';
 
 const styles = StyleSheet.create({
 	container: {
@@ -103,6 +104,15 @@ export default class QrScanner extends PureComponent {
 				this.props.navigation.goBack();
 			}
 		} else {
+			const { KeyringController } = Engine.context;
+			const isUnlocked = KeyringController.isUnlocked();
+
+			if (!isUnlocked) {
+				this.props.navigation.goBack();
+				Alert.alert(strings('qr_scanner.error'), strings('qr_scanner.attempting_to_scan_with_wallet_locked'));
+				this.mounted = false;
+				return;
+			}
 			// Let ethereum:address go forward
 			if (content.split('ethereum:').length > 1 && !parse(content).function_name) {
 				this.shouldReadBarCode = false;

locales/languages/en.json

@@ -579,6 +579,7 @@
 		"ok": "Ok",
 		"cancel": "Cancel",
 		"error": "Error",
+		"attempting_to_scan_with_wallet_locked": "Looks like you're trying to scan a QR code, you need to unlock your wallet to be able to use it.",
 		"attempting_sync_from_wallet_error": "Looks like you're trying to sync with the extension. In order to do so, you will need to erase your current wallet. \n\nOnce you've erased or reinstalled a fresh version of the app, select the option to \"Sync with MetaMask Extension\". Important! Before erasing your wallet, make sure you've backed up your recovery phrase."
 	},
 	"action_view": {