From 4c3cfabe6c74fe839c826f508b6fa0fa5a2982ac Mon Sep 17 00:00:00 2001
From: E M <5089238+emizzle@users.noreply.github.com>
Date: Mon, 23 Feb 2026 22:45:46 +1100
Subject: [PATCH] fix: prevent underflow

The compiler should not allow this totalBlocks is a Natural, but...
---
 storage/stores/repostore/operations.nim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/storage/stores/repostore/operations.nim b/storage/stores/repostore/operations.nim
index f2e67094..a6fdb992 100644
--- a/storage/stores/repostore/operations.nim
+++ b/storage/stores/repostore/operations.nim
@@ -94,9 +94,9 @@ proc updateTotalBlocksCount*(
     proc(maybeCurrCount: ?Natural): Future[?Natural] {.async.} =
       let count: Natural =
         if currCount =? maybeCurrCount:
-          currCount + plusCount - minusCount
+          max(0, currCount + plusCount - minusCount)
         else:
-          plusCount - minusCount
+          max(0, plusCount - minusCount)
 
       self.totalBlocks = count
       storage_repostore_blocks.set(count.int64)