cleanup, return straight away

src/utils.ts

@@ -752,17 +752,14 @@ export function getCrypto(): Object {
 
 export async function retryNetworkOperation(maxAttempts, callback) {
     let attempts = 0;
-    let success = false;
     let lastConnectionError = null;
-    let result;
-    while (!success && attempts < maxAttempts) {
+    while (attempts < maxAttempts) {
         try {
             if (attempts > 0) {
                 const timeout = 1000 * Math.pow(2, attempts);
                 await new Promise(r => setTimeout(r, timeout));
             }
-            result = await callback();
-            success = true;
+            return await callback();
         } catch (err) {
             if (err instanceof ConnectionError) {
                 attempts += 1;
@@ -772,9 +769,5 @@ export async function retryNetworkOperation(maxAttempts, callback) {
             }
         }
     }
-    if (!success) {
-        throw lastConnectionError;
-    } else {
-        return result;
-    }
+    throw lastConnectionError;
 }