From b919bf009b66306faf4d9f0f88a1c0689f2a1b0f Mon Sep 17 00:00:00 2001
From: Zsolt Felfoldi <zsfelfoldi@gmail.com>
Date: Fri, 21 Mar 2025 07:00:17 +0100
Subject: [PATCH] core/filtermaps: fixed tail unindexing condition for epoch 0

---
 core/filtermaps/indexer.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/core/filtermaps/indexer.go b/core/filtermaps/indexer.go
index 61a9bf0352..4c31d24910 100644
--- a/core/filtermaps/indexer.go
+++ b/core/filtermaps/indexer.go
@@ -356,15 +356,17 @@ func (f *FilterMaps) needTailEpoch(epoch uint32) bool {
 	if epoch+1 < firstEpoch {
 		return false
 	}
+	var lastBlockOfPrevEpoch uint64
 	if epoch > 0 {
-		lastBlockOfPrevEpoch, _, err := f.getLastBlockOfMap(epoch<<f.logMapsPerEpoch - 1)
+		var err error
+		lastBlockOfPrevEpoch, _, err = f.getLastBlockOfMap(epoch<<f.logMapsPerEpoch - 1)
 		if err != nil {
 			log.Error("Could not get last block of previous epoch", "epoch", epoch-1, "error", err)
 			return epoch >= firstEpoch
 		}
-		if f.historyCutoff > lastBlockOfPrevEpoch {
-			return false
-		}
+	}
+	if f.historyCutoff > lastBlockOfPrevEpoch {
+		return false
 	}
 	lastBlockOfEpoch, _, err := f.getLastBlockOfMap((epoch+1)<<f.logMapsPerEpoch - 1)
 	if err != nil {