better error reporting

src/logging.ts

@@ -42,7 +42,7 @@ function makeDebug() {
 
 export async function log(msg: string, level: Level = "info"): Promise<void> {
   let ci = getCallInfo(2);
-  return record(level, msg, ci.file, ci.line, ci.column);
+  return record(level, msg, undefined, ci.file, ci.line, ci.column);
 }
 
 function getCallInfo(level: number) {
@@ -113,9 +113,10 @@ export interface LogEntry {
   timestamp: number;
   level: string;
   msg: string;
-  source: string|undefined;
-  col: number|undefined;
-  line: number|undefined;
+  detail?: string;
+  source?: string;
+  col?: number;
+  line?: number;
   id?: number;
 }
 
@@ -133,7 +134,25 @@ export async function getLogs(): Promise<LogEntry[]> {
  */
 let barrier: any;
 
-export async function record(level: Level, msg: string, source?: string, line?: number, col?: number): Promise<void> {
+export async function recordException(msg: string, e: any): Promise<void> {
+  let stack: string|undefined;
+  let frame: Frame|undefined;
+  try {
+    stack = e.stack;
+    if (stack) {
+      let lines = stack.split("\n");
+      frame = parseStackLine(lines[1]);
+    }
+  } catch (e) {
+    // ignore
+  }
+  if (!frame) {
+    frame = unknownFrame;
+  }
+  return record("error", e.toString(), stack, frame.file, frame.line, frame.column);
+}
+
+export async function record(level: Level, msg: string, detail?: string, source?: string, line?: number, col?: number): Promise<void> {
   if (typeof indexedDB === "undefined") {
     return;
   }
@@ -166,6 +185,7 @@ export async function record(level: Level, msg: string, source?: string, line?:
       source,
       line,
       col,
+      detail,
     };
     await new QueryRoot(db).put(logsStore, entry);
   } finally {

src/module-trampoline.js

@@ -1,73 +0,0 @@
-/*
- This file is part of TALER
- (C) 2016 GNUnet e.V.
-
- TALER is free software; you can redistribute it and/or modify it under the
- terms of the GNU General Public License as published by the Free Software
- Foundation; either version 3, or (at your option) any later version.
-
- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along with
- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
- */
-
-
-/**
- * Boilerplate to initialize the module system and call main()
- *
- * @author Florian Dold
- */
-
-"use strict";
-
-if (typeof System === "undefined") {
-  throw Error("system loader not present (must be included before the" +
-    " trampoline");
-}
-
-System.config({
-  defaultJSExtensions: true,
-  map: {
-    src: "/src/",
-  },
-});
-
-let me = window.location.protocol
-  + "//" + window.location.host
-  + window.location.pathname.replace(/[.]html$/, ".js");
-
-let domLoaded = false;
-
-document.addEventListener("DOMContentLoaded", function(event) {
-  domLoaded = true;
-});
-
-function execMain(m) {
-  if (m.main) {
-    console.log("executing module main");
-    let res = m.main();
-  } else {
-    console.warn("module does not export a main() function");
-  }
-}
-
-console.log("loading", me);
-
-System.import(me)
-  .then((m) => {
-    console.log("module imported", me);
-    if (domLoaded) {
-      execMain(m);
-      return;
-    }
-    document.addEventListener("DOMContentLoaded", function(event) {
-      execMain(m);
-    });
-  })
-  .catch((e) => {
-    console.log("trampoline failed");
-    console.error(e.stack);
-  });

src/pages/confirm-contract.html

@@ -16,7 +16,7 @@
   <!-- <script src="/src/vendor/jed.js"></script> -->
   <script src="/src/i18n.js"></script>
   <script src="/src/i18n/strings.js"></script>
-  <script src="/src/module-trampoline.js"></script>
+  <script src="/src/moduleTrampoline.js"></script>
 
   <style>
     button.accept {

src/pages/confirm-create-reserve.html

@@ -17,7 +17,7 @@
 
   <!-- module loading -->
   <script src="/src/vendor/system-csp-production.src.js"></script>
-  <script src="/src/module-trampoline.js"></script>
+  <script src="/src/moduleTrampoline.js"></script>
 
 
   <style>

src/pages/confirm-create-reserve.tsx

@@ -374,14 +374,24 @@ class ExchangeSelection extends ImplicitStateComponent<ExchangeSelectionProps> {
 }
 
 export async function main() {
-  const url = URI(document.location.href);
-  const query: any = URI.parseQuery(url.query());
-  const amount = AmountJson.checked(JSON.parse(query.amount));
-  const callback_url = query.callback_url;
-  const bank_url = query.bank_url;
-  const wt_types = JSON.parse(query.wt_types);
-
   try {
+    const url = URI(document.location.href);
+    const query: any = URI.parseQuery(url.query());
+    let amount;
+    try {
+      amount = AmountJson.checked(JSON.parse(query.amount));
+    } catch (e) {
+      throw Error(`Can't parse amount: ${e.message}`);
+    }
+    const callback_url = query.callback_url;
+    const bank_url = query.bank_url;
+    let wt_types;
+    try {
+      wt_types = JSON.parse(query.wt_types);
+    } catch (e) {
+      throw Error(`Can't parse wire_types: ${e.message}`);
+    }
+
     const suggestedExchangeUrl = await getSuggestedExchange(amount.currency);
     let args = {
       wt_types,

src/pages/logs.html

@@ -19,7 +19,7 @@
 	<script src="/src/i18n/strings.js"></script>
 
 	<script src="/src/vendor/system-csp-production.src.js"></script>
-	<script src="/src/module-trampoline.js"></script>
+	<script src="/src/moduleTrampoline.js"></script>
 
 	<style>
 		.tree-item {

src/pages/logs.tsx

@@ -38,6 +38,7 @@ class LogView extends React.Component<LogViewProps, void> {
           <li>file: {e.source || "(unknown)"}</li>
           <li>line: {e.line || "(unknown)"}</li>
           <li>col: {e.col || "(unknown)"}</li>
+          {(e.detail ? <li> detail: <pre>{e.detail}</pre></li> : [])}
         </ul>
       </div>
     );

src/pages/tree.html

@@ -19,7 +19,7 @@
 	<script src="/src/i18n/strings.js"></script>
 
 	<script src="/src/vendor/system-csp-production.src.js"></script>
-	<script src="/src/module-trampoline.js"></script>
+	<script src="/src/moduleTrampoline.js"></script>
 
 	<style>
 		.tree-item {

src/popup/popup.html

@@ -16,7 +16,7 @@
   <script src="/src/i18n/strings.js"></script>
 
   <script src="/src/vendor/system-csp-production.src.js"></script>
-  <script src="/src/module-trampoline.js"></script>
+  <script src="/src/moduleTrampoline.js"></script>
 </head>
 
 <body>

src/wxBackend.ts

@@ -425,7 +425,7 @@ function clearRateLimitCache() {
 
 export function wxMain() {
   window.onerror = (m, source, lineno, colno, error) => {
-    logging.record("error", m + error, source || "(unknown)", lineno || 0, colno || 0);
+    logging.record("error", m + error, undefined, source || "(unknown)", lineno || 0, colno || 0);
   }
 
   chrome.browserAction.setBadgeText({ text: "" });

tsconfig.json

@@ -16,23 +16,24 @@
     "src/checkable.ts",
     "decl/lib.es6.d.ts",
     "src/chromeBadge.ts",
-    "src/cryptoApi-test.ts",
     "decl/urijs/URIjs.d.ts",
+    "src/cryptoApi-test.ts",
     "src/components.ts",
-    "src/emscriptif-test.ts",
     "decl/systemjs/systemjs.d.ts",
+    "src/emscriptif-test.ts",
     "src/cryptoApi.ts",
-    "src/helpers-test.ts",
     "decl/react-global.d.ts",
+    "src/helpers-test.ts",
     "src/cryptoLib.ts",
     "src/types-test.ts",
     "decl/chrome/chrome.d.ts",
-    "src/wallet-test.ts",
     "src/cryptoWorker.ts",
+    "src/wallet-test.ts",
     "src/emscriptif.ts",
     "src/helpers.ts",
     "src/http.ts",
     "src/logging.ts",
+    "src/moduleTrampoline.ts",
     "src/query.ts",
     "src/taler-wallet-lib.ts",
     "src/types.ts",