From a9ac46b6c45ba8758c4f4d5d78ae41c6af3f542b Mon Sep 17 00:00:00 2001
From: Hanno Cornelius <68783915+jm-clius@users.noreply.github.com>
Date: Thu, 17 Mar 2022 17:18:59 +0200
Subject: [PATCH] fix: prevent empty store response due to blocked walker
 (#897)

---
 waku/v2/protocol/waku_store/waku_store_types.nim | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/waku/v2/protocol/waku_store/waku_store_types.nim b/waku/v2/protocol/waku_store/waku_store_types.nim
index d07f52c55..d051d95fa 100644
--- a/waku/v2/protocol/waku_store/waku_store_types.nim
+++ b/waku/v2/protocol/waku_store/waku_store_types.nim
@@ -200,6 +200,7 @@ proc fwdPage(storeQueue: StoreQueueRef,
       outSeq = @[]
       outPagingInfo = PagingInfo(pageSize: 0, cursor: startCursor.get(), direction: PagingDirection.FORWARD)
       outError = HistoryResponseError.INVALID_CURSOR
+      w.destroy
       return (outSeq, outPagingInfo, outError)
     
     # Advance walker once more
@@ -271,6 +272,7 @@ proc bwdPage(storeQueue: StoreQueueRef,
       outSeq = @[]
       outPagingInfo = PagingInfo(pageSize: 0, cursor: startCursor.get(), direction: PagingDirection.BACKWARD)
       outError = HistoryResponseError.INVALID_CURSOR
+      w.destroy
       return (outSeq, outPagingInfo, outError)
 
     # Step walker one more step back