From 509436595d55d33a08d2db99f5ed04609bf18c72 Mon Sep 17 00:00:00 2001
From: Ross Bulat <ross@parity.io>
Date: Mon, 22 Apr 2024 19:20:25 +0700
Subject: [PATCH] chire: add migration

---
 package.json                   |  2 +-
 src/consts.ts                  |  2 +-
 src/contexts/Migrate/index.tsx | 49 +++++++++++++++-------------------
 3 files changed, 23 insertions(+), 30 deletions(-)

diff --git a/package.json b/package.json
index 3ab19e4afb..23dac7d661 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "polkadot-staking-dashboard",
-  "version": "1.4.2",
+  "version": "1.4.3",
   "type": "module",
   "license": "GPL-3.0-only",
   "scripts": {
diff --git a/src/consts.ts b/src/consts.ts
index 8198b4fae9..8f2d74b0c7 100644
--- a/src/consts.ts
+++ b/src/consts.ts
@@ -6,7 +6,7 @@ import { stringToU8a } from '@polkadot/util';
 /*
  * Global Constants
  */
-export const AppVersion = '1.4.2';
+export const AppVersion = '1.4.3';
 export const DappName = 'Polkadot Staking Dashboard';
 export const PolkadotUrl = 'https://polkadot.network/features/staking/';
 export const ManualSigners = ['ledger', 'vault'];
diff --git a/src/contexts/Migrate/index.tsx b/src/contexts/Migrate/index.tsx
index 73d0a82b56..0338dad6c3 100644
--- a/src/contexts/Migrate/index.tsx
+++ b/src/contexts/Migrate/index.tsx
@@ -6,8 +6,6 @@ import { createContext, useState } from 'react';
 import { AppVersion } from 'consts';
 import { useApi } from 'contexts/Api';
 import { useEffectIgnoreInitial } from '@w3ux/hooks';
-import { localStorageOrDefault } from '@w3ux/utils';
-import type { ExternalAccount } from '@w3ux/react-connect-kit/types';
 import { useSyncing } from 'hooks/useSyncing';
 
 export const MigrateContext = createContext<null>(null);
@@ -22,42 +20,37 @@ export const MigrateProvider = ({ children }: { children: ReactNode }) => {
   // Store whether the migration check has taken place.
   const [done, setDone] = useState<boolean>(localAppVersion === AppVersion);
 
-  // Removes `system` added external accounts from local storage.
-  const removeSystemExternalAccounts = () => {
-    const current = localStorageOrDefault('external_accounts', [], true);
-    if (!current.length) {
-      return;
-    }
-
-    const updated =
-      (current as ExternalAccount[])?.filter((a) => a.addedBy !== 'system') ||
-      [];
+  // Removes local era stakers data and locale data.
+  const removeLocalErasAndLocales = () => {
+    console.log('fire update');
+    // Remove local exposure and validator data.
+    localStorage.removeItem('polkadot_validators');
+    localStorage.removeItem('polkadot_exposures');
+    localStorage.removeItem('polkadot_era_exposures');
 
-    if (!updated.length) {
-      localStorage.removeItem('external_accounts');
-    } else {
-      localStorage.setItem('external_accounts', JSON.stringify(updated));
-    }
-  };
+    localStorage.removeItem('kusama_validators');
+    localStorage.removeItem('kusama_exposures');
+    localStorage.removeItem('kusama_era_exposures');
 
-  // Removes `westend_era_exposures` from local storage.
-  const removeWestendEraExposures = () => {
+    localStorage.removeItem('westend_validators');
+    localStorage.removeItem('westend_exposures');
     localStorage.removeItem('westend_era_exposures');
+
+    // Remove locale data.
+    localStorage.removeItem('lng_resources');
   };
 
   useEffectIgnoreInitial(() => {
     if (isReady && !syncing && !done) {
       // Carry out migrations if local version is different to current version.
       if (localAppVersion !== AppVersion) {
-        // Added in 1.1.2
-        //
-        // Remove local `system` external accounts.
-        removeSystemExternalAccounts();
-
-        // Added in 1.1.3
+        // Added in 1.4.3
         //
-        // Remove local `era_exposures`.
-        removeWestendEraExposures();
+        // Remove local era stakers data and locale data. Paged rewards are now active and local
+        // exposure data is now stale. Over subscribed data has also been removed, so locale data
+        // pertaining to over subscribed validators is also stale and causes errors as keys point to
+        // undefined data now.
+        removeLocalErasAndLocales();
 
         // Finally,
         //