wallet db version belongs with wallet, not webex

src/wallet.ts

@@ -329,8 +329,22 @@ export interface ConfigRecord {
 }
 
 
+/**
+ * Wallet protocol version spoken with the exchange
+ * and merchant.
+ *
+ * Uses libtool's current:revision:age versioning.
+ */
 export const WALLET_PROTOCOL_VERSION = "0:0:0";
 
+/**
+ * Current database version, should be incremented
+ * each time we do incompatible schema changes on the database.
+ * In the future we might consider adding migration functions for
+ * each version increment.
+ */
+export const WALLET_DB_VERSION = 18;
+
 const builtinCurrencies: CurrencyRecord[] = [
   {
     auditors: [

src/webex/wxBackend.ts

@@ -39,6 +39,7 @@ import {
   ConfirmReserveRequest,
   CreateReserveRequest,
   Stores,
+  WALLET_DB_VERSION,
   Wallet,
 } from "../wallet";
 
@@ -53,14 +54,6 @@ import MessageSender = chrome.runtime.MessageSender;
 
 const DB_NAME = "taler";
 
-/**
- * Current database version, should be incremented
- * each time we do incompatible schema changes on the database.
- * In the future we might consider adding migration functions for
- * each version increment.
- */
-const DB_VERSION = 18;
-
 const NeedsWallet = Symbol("NeedsWallet");
 
 function handleMessage(sender: MessageSender,
@@ -291,7 +284,7 @@ function handleMessage(sender: MessageSender,
       }
       const resp: wxApi.UpgradeResponse = {
         dbResetRequired,
-        currentDbVersion: DB_VERSION.toString(),
+        currentDbVersion: WALLET_DB_VERSION.toString(),
         oldDbVersion: (oldDbVersion || "unknown").toString(),
       }
       return resp;
@@ -641,7 +634,7 @@ export async function wxMain() {
  */
 function openTalerDb(): Promise<IDBDatabase> {
   return new Promise<IDBDatabase>((resolve, reject) => {
-    const req = indexedDB.open(DB_NAME, DB_VERSION);
+    const req = indexedDB.open(DB_NAME, WALLET_DB_VERSION);
     req.onerror = (e) => {
       console.log("taler database error", e);
       reject(e);
@@ -674,7 +667,7 @@ function openTalerDb(): Promise<IDBDatabase> {
           }
           break;
         default:
-          if (e.oldVersion !== DB_VERSION) {
+          if (e.oldVersion !== WALLET_DB_VERSION) {
             oldDbVersion = e.oldVersion;
             chrome.tabs.create({
               url: chrome.extension.getURL("/src/webex/pages/reset-required.html"),