From e68988b287aaa703393719e33107e0b0e6eb0f26 Mon Sep 17 00:00:00 2001
From: chirag-parmar <chiragparmar12209@gmail.com>
Date: Thu, 31 Oct 2024 20:53:03 +0530
Subject: [PATCH] compare before decrementing

---
 eth/rlp/writer.nim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/eth/rlp/writer.nim b/eth/rlp/writer.nim
index 56362c2..e3a02ba 100644
--- a/eth/rlp/writer.nim
+++ b/eth/rlp/writer.nim
@@ -65,11 +65,11 @@ proc maybeClosePendingLists(self: var RlpWriter) =
     let lastListIdx = self.pendingLists.len - 1
     doAssert self.pendingLists[lastListIdx].remainingItems > 0
 
-    self.pendingLists[lastListIdx].remainingItems -= 1
     # if one last item is remaining in the list
-    if self.pendingLists[lastListIdx].remainingItems == 0:
+    if self.pendingLists[lastListIdx].remainingItems == 1:
       # A list have been just finished. It was started in `startList`.
       let listStartPos = self.pendingLists[lastListIdx].startPos
+      self.pendingLists[lastListIdx].remainingItems -= 1
       self.pendingLists.setLen lastListIdx
 
       # How many bytes were written since the start?