1 files changed, 32 insertions, 3 deletions
diff --git a/extension/background/db.js b/extension/background/db.js
index b52ee457a..f6d81d9ac 100644
--- a/extension/background/db.js
+++ b/extension/background/db.js
@@ -1,5 +1,34 @@
+"use strict";
+const DB_NAME = "taler";
+const DB_VERSION = 1;
 /**
- * Declarations and helpers for
- * things that are stored in the wallet's
- * database.
+ * Return a promise that resolves
+ * to the taler wallet db.
  */
+function openTalerDb() {
+    return new Promise((resolve, reject) => {
+        let req = indexedDB.open(DB_NAME, DB_VERSION);
+        req.onerror = (e) => {
+            reject(e);
+        };
+        req.onsuccess = (e) => {
+            resolve(req.result);
+        };
+        req.onupgradeneeded = (e) => {
+            let db = req.result;
+            console.log("DB: upgrade needed: oldVersion = " + e.oldVersion);
+            switch (e.oldVersion) {
+                case 0:
+                    let mints = db.createObjectStore("mints", { keyPath: "baseUrl" });
+                    mints.createIndex("pubKey", "keys.master_public_key");
+                    db.createObjectStore("reserves", { keyPath: "reserve_pub" });
+                    db.createObjectStore("denoms", { keyPath: "denomPub" });
+                    let coins = db.createObjectStore("coins", { keyPath: "coinPub" });
+                    coins.createIndex("mintBaseUrl", "mintBaseUrl");
+                    db.createObjectStore("transactions", { keyPath: "contractHash" });
+                    db.createObjectStore("precoins", { keyPath: "coinPub", autoIncrement: true });
+                    break;
+            }
+        };
+    });
+}