simplify alarm and check webRequest without using 'in'

packages/taler-wallet-core/src/wallet.ts

@@ -326,27 +326,6 @@ export interface RetryLoopOpts {
   stopWhenDone?: boolean;
 }
 
-/**
- * This iteration hint will keep incrementing while the taskLoop iteration.
- * If the hint does not match the current iteration it means that another
- * promises is also working or has done some work before.
- */
-let iterationHint = 0
-function thereIsAnotherPromiseWorking(iteration: number): boolean {
-  if (iterationHint > iteration) {
-    logger.trace(`some other promise is or has done some progress`);
-    iterationHint = iteration;
-    //we know that another promise did some work but don't know if still active
-    //so we take ownership and do work
-  } else if (iterationHint < iteration) {
-    //another promise take ownership that means that our time has come to an end
-    return true
-  }
-  // increment the hint to match the next loop
-  iterationHint++
-  return false
-}
-
 /**
  * Main retry loop of the wallet.
  *
@@ -357,10 +336,6 @@ async function runTaskLoop(
   opts: RetryLoopOpts = {},
 ): Promise<void> {
   for (let iteration = 0; !ws.stopped; iteration++) {
-    if (thereIsAnotherPromiseWorking(iteration)) {
-      logger.trace(`another promise is working, we just need one`);
-      return;
-    }
     const pending = await getPendingOperations(ws);
     logger.trace(`pending operations: ${j2s(pending)}`);
     let numGivingLiveness = 0;

packages/taler-wallet-webextension/src/platform/chrome.ts

@@ -51,11 +51,11 @@ function keepAlive(callback: any): void {
 
     chrome.alarms.onAlarm.addListener((a) => {
       logger.trace(`kee p alive alarm: ${a.name}`)
-      callback()
+      // callback()
     })
-  } else {
+    // } else {
-    callback();
   }
+  callback();
 
 }
 
@@ -331,29 +331,25 @@ function registerTalerHeaderListener(callback: (tabId: number, url: string) => v
   getPermissionsApi().containsHostPermissions().then(result => {
     //if there is a handler already, remove it
     if (
-      "webRequest" in chrome &&
-      "onHeadersReceived" in chrome.webRequest &&
       prevHeaderListener &&
-      chrome.webRequest.onHeadersReceived.hasListener(prevHeaderListener)
+      chrome?.webRequest?.onHeadersReceived?.hasListener(prevHeaderListener)
     ) {
       chrome.webRequest.onHeadersReceived.removeListener(prevHeaderListener);
     }
     //if the result was positive, add the headerListener
     if (result) {
-      chrome.webRequest.onHeadersReceived.addListener(
+      chrome?.webRequest?.onHeadersReceived?.addListener(
         headerListener,
         { urls: ["<all_urls>"] },
         ["responseHeaders"],
       );
     }
     //notify the browser about this change, this operation is expensive
-    if ("webRequest" in chrome) {
+    chrome?.webRequest?.handlerBehaviorChanged(() => {
-      chrome.webRequest.handlerBehaviorChanged(() => {
       if (chrome.runtime.lastError) {
         console.error(JSON.stringify(chrome.runtime.lastError));
       }
     });
-    }
   });
 }