From 16121e1766315f433f306f3a7b5cf7ceca74f763 Mon Sep 17 00:00:00 2001
From: Jack Ellis <jack.m.ellis@hotmail.co.uk>
Date: Wed, 14 Feb 2024 14:22:12 +0000
Subject: [PATCH] fix: only write to requiredBlock when necessary

---
 packages/api/src/utils/nsync.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/api/src/utils/nsync.ts b/packages/api/src/utils/nsync.ts
index 05a2dc4..e49a3ef 100644
--- a/packages/api/src/utils/nsync.ts
+++ b/packages/api/src/utils/nsync.ts
@@ -100,6 +100,7 @@ export const syncApiBlock = throttleAsyncFn(
     // We throttle this method so even if 1k requests are made in quick succession,
     // we'll only attempt to sync the api one time
 
+    let wasBehind = false;
     // Keep looping while the api is behind the current block
     while (
       isApiBehind({
@@ -107,6 +108,7 @@ export const syncApiBlock = throttleAsyncFn(
         requiredBlockNumber: getRequiredBlockNumber(network),
       })
     ) {
+      wasBehind = true;
       if (config.internal.source !== 'live') {
         // Switch to live mode
         config.internal.source = 'live';
@@ -117,7 +119,9 @@ export const syncApiBlock = throttleAsyncFn(
       await updateLastIndexedBlock({ network });
     }
 
-    // The api has caught up and we no longer need to be in live mode
-    resetRequiredBlock({ network });
+    if (wasBehind) {
+      // The api has caught up and we no longer need to be in live mode
+      resetRequiredBlock({ network });
+    }
   }
 );