From 9fa4109d1ca0a5acdc986c65e6f7a0f0edf3ea76 Mon Sep 17 00:00:00 2001
From: Daniel T <30197399+danwt@users.noreply.github.com>
Date: Fri, 19 Jul 2024 11:41:30 +0100
Subject: [PATCH] fix(prune): fix guard for sequencer (#966)

---
 block/pruning.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/block/pruning.go b/block/pruning.go
index f194e3585..521e61f38 100644
--- a/block/pruning.go
+++ b/block/pruning.go
@@ -7,8 +7,11 @@ import (
 )
 
 func (m *Manager) pruneBlocks(retainHeight uint64) error {
-	if m.IsSequencer() && retainHeight <= m.NextHeightToSubmit() { // do not delete anything that we might submit in future
-		return fmt.Errorf("cannot prune blocks before they have been submitted: %d: %w", retainHeight, gerrc.ErrInvalidArgument)
+	if m.IsSequencer() && m.NextHeightToSubmit() < retainHeight { // do not delete anything that we might submit in future
+		return fmt.Errorf("cannot prune blocks before they have been submitted: retain height %d: next height to submit: %d: %w",
+			retainHeight,
+			m.NextHeightToSubmit(),
+			gerrc.ErrInvalidArgument)
 	}
 
 	pruned, err := m.Store.PruneBlocks(m.State.BaseHeight, retainHeight)