fix query abstraction

extension/background/db.ts

@@ -20,6 +20,8 @@
  * Declarations and helpers for
  * things that are stored in the wallet's
  * database.
+ * @module Db
+ * @author Florian Dold
  */
 
 

extension/background/emscriptif.js

@@ -13,6 +13,12 @@
  You should have received a copy of the GNU General Public License along with
  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
  */
+/**
+ * High-level interface to emscripten-compiled modules used
+ * by the wallet.
+ * @module EmscriptIf
+ * @author Florian Dold
+ */
 "use strict";
 // Size of a native pointer.
 const PTR_SIZE = 4;

extension/background/emscriptif.ts

@@ -14,6 +14,14 @@
  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
  */
 
+/**
+ * High-level interface to emscripten-compiled modules used
+ * by the wallet.
+ * @module EmscriptIf
+ * @author Florian Dold
+ */
+
+
 "use strict";
 
 declare var Module: EmscModule;

extension/background/http.ts

@@ -14,6 +14,12 @@
  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
  */
 
+/**
+ * Helpers for doing XMLHttpRequest-s that are based on ES6 promises.
+ * @module Http
+ * @author Florian Dold
+ */
+
 "use strict";
 
 interface HttpResponse {
@@ -37,6 +43,8 @@ function httpReq(method: string,
     myRequest.open(method, urlString);
     if (options && options.req) {
       myRequest.send(options.req);
+    } else {
+      myRequest.send();
     }
     myRequest.addEventListener("readystatechange", (e) => {
       if (myRequest.readyState == XMLHttpRequest.DONE) {

extension/background/messaging.ts

@@ -34,7 +34,7 @@ let handlers = {
     exportDb(db).then(sendResponse);
     return true;
   },
-  ["reset-db"]: function(db, detail, sendResponse) {
+  ["reset"]: function(db, detail, sendResponse) {
     let tx = db.transaction(db.objectStoreNames, 'readwrite');
     for (let i = 0; i < db.objectStoreNames.length; i++) {
       tx.objectStore(db.objectStoreNames[i]).clear();
@@ -47,7 +47,7 @@ let handlers = {
   },
   ["confirm-reserve"]: function(db, detail, sendResponse) {
     return confirmReserveHandler(db, detail, sendResponse);
-  }
+  },
 };
 
 

extension/background/query.ts

@@ -187,7 +187,7 @@ class QueryRoot {
     function doPut() {
       this.tx.objectStore(storeName).put(val);
     }
-    this.work.push(doPut);
+    this.work.push(doPut.bind(this));
     return this;
   }
 
@@ -198,7 +198,7 @@ class QueryRoot {
         this.tx.objectStore(storeName).put(obj);
       }
     }
-    this.work.push(doPutAll);
+    this.work.push(doPutAll.bind(this));
     return this;
   }
 
@@ -207,7 +207,7 @@ class QueryRoot {
     function doAdd() {
       this.tx.objectStore(storeName).add(val);
     }
-    this.work.push(doAdd);
+    this.work.push(doAdd.bind(this));
     return this;
   }
 
@@ -224,11 +224,13 @@ class QueryRoot {
     function doGet() {
       let req = this.tx.objectStore(storeName).get(key);
       req.onsuccess = (r) => {
-        leakedResolve(r);
+        leakedResolve(req.result);
       };
     }
-    this.work.push(doGet);
+    this.work.push(doGet.bind(this));
-    return p;
+    return Promise.resolve().then(() => {
+      return this.finish().then(() => p);
+    });
   }
 
   finish(): Promise<void> {
@@ -253,7 +255,7 @@ class QueryRoot {
     function doDelete() {
       this.tx.objectStore(storeName).delete(key);
     }
-    this.work.push(doDelete);
+    this.work.push(doDelete.bind(this));
     return this;
   }
 }

extension/background/wallet.js

@@ -13,6 +13,12 @@
  You should have received a copy of the GNU General Public License along with
  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
  */
+/**
+ * High-level wallet operations that should be indepentent from the underlying
+ * browser extension interface.
+ * @module Wallet
+ * @author Florian Dold
+ */
 /// <reference path="../decl/urijs/URIjs.d.ts" />
 /// <reference path="../decl/chrome/chrome.d.ts" />
 'use strict';
@@ -247,12 +253,13 @@ function confirmReserveHandler(db, detail, sendResponse) {
             .then(() => {
             // Do this in the background
             updateMintFromUrl(db, reserveRecord.mint_base_url)
-                .then((mint) => {
+                .then((mint) => updateReserve(db, reservePub, mint)
-                updateReserve(db, reservePub, mint)
+                .then((reserve) => depleteReserve(db, reserve, mint)));
-                    .then((reserve) => depleteReserve(db, reserve, mint));
-            });
             return resp;
         });
+    })
+        .then((resp) => {
+        sendResponse(resp);
     });
     // Allow async response
     return true;

extension/background/wallet.ts

@@ -14,6 +14,14 @@
  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
  */
 
+/**
+ * High-level wallet operations that should be indepentent from the underlying
+ * browser extension interface.
+ * @module Wallet
+ * @author Florian Dold
+ */
+
+
 /// <reference path="../decl/urijs/URIjs.d.ts" />
 /// <reference path="../decl/chrome/chrome.d.ts" />
 'use strict';
@@ -364,12 +372,15 @@ function confirmReserveHandler(db, detail, sendResponse) {
         .then(() => {
           // Do this in the background
           updateMintFromUrl(db, reserveRecord.mint_base_url)
-            .then((mint) => {
+            .then((mint) =>
               updateReserve(db, reservePub, mint)
-                .then((reserve) => depleteReserve(db, reserve, mint));
+                .then((reserve) => depleteReserve(db, reserve, mint))
-            });
+            );
           return resp;
         });
+    })
+    .then((resp) => {
+      sendResponse(resp);
     });
 
   // Allow async response
@@ -516,7 +527,7 @@ function withdraw(db, denom, reserve): Promise<void> {
 /**
  * Withdraw coins from a reserve until it is empty.
  */
-function depleteReserve(db, reserve, mint) {
+function depleteReserve(db, reserve, mint): void {
   let denoms = copy(mint.keys.denoms);
   let remaining = new Amount(reserve.current_amount);
   denoms.sort(rankDenom);

extension/tsconfig.json

@@ -1,7 +1,8 @@
 {
     "compilerOptions": {
         "target": "es6",
-        "jsx": "react"
+        "jsx": "react",
+        "experimentalDecorators": true
     },
     "files": [
       "background/wallet.ts",