From 4470461a98c7615398abf7bce612a2f302916592 Mon Sep 17 00:00:00 2001
From: natsoni <natsoni@protonmail.com>
Date: Wed, 10 Jul 2024 23:22:57 +0900
Subject: [PATCH] Add retry logic to acceleration data fetching on tx page

---
 .../transaction/transaction.component.ts         | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/frontend/src/app/components/transaction/transaction.component.ts b/frontend/src/app/components/transaction/transaction.component.ts
index acc05a250..487dff698 100644
--- a/frontend/src/app/components/transaction/transaction.component.ts
+++ b/frontend/src/app/components/transaction/transaction.component.ts
@@ -317,11 +317,19 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
         this.setIsAccelerated();
       }),
       switchMap((blockHeight: number) => {
-        return this.servicesApiService.getAccelerationHistory$({ blockHeight });
+        return this.servicesApiService.getAccelerationHistory$({ blockHeight }).pipe(
+          switchMap((accelerationHistory: Acceleration[]) => {
+            if (this.tx.acceleration && !accelerationHistory.length) { // If the just mined transaction was accelerated, but services backend did not return any acceleration data, retry
+              return throwError('retry');
+            }
+            return of(accelerationHistory);
+          }),
+          retry({ count: 3, delay: 2000 }),
+          catchError(() => {
+            return of([]);
+          })
+        );
       }),
-      catchError(() => {
-        return of([]);
-      })
     ).subscribe((accelerationHistory) => {
       for (const acceleration of accelerationHistory) {
         if (acceleration.txid === this.txId && (acceleration.status === 'completed' || acceleration.status === 'completed_provisional')) {