From 5a5e5549df8216a094af9513c51e325605824e78 Mon Sep 17 00:00:00 2001
From: Fernando Diaz Toledano <shargon@gmail.com>
Date: Thu, 30 Jan 2025 09:38:18 +0100
Subject: [PATCH 1/2] Fix warnings

---
 src/Neo/Persistence/DataCache.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Neo/Persistence/DataCache.cs b/src/Neo/Persistence/DataCache.cs
index 016bed2ee2..14476cbb71 100644
--- a/src/Neo/Persistence/DataCache.cs
+++ b/src/Neo/Persistence/DataCache.cs
@@ -316,7 +316,7 @@ public bool Contains(StorageKey key)
         /// <param name="key">The key of the entry.</param>
         /// <param name="factory">A delegate used to create the entry if it doesn't exist. If the entry already exists, the factory will not be used.</param>
         /// <returns>The cached data. Or <see langword="null"/> if it doesn't exist and the <paramref name="factory"/> is not provided.</returns>
-        public StorageItem? GetAndChange(StorageKey key, Func<StorageItem>? factory = null)
+        public StorageItem? GetAndChange(StorageKey key, [NotNullIfNotNull(nameof(factory))] Func<StorageItem>? factory)
         {
             lock (_dictionary)
             {

From 97f7ce5164a923ade9df2b24376fb29708ac68e2 Mon Sep 17 00:00:00 2001
From: Shargon <shargon@gmail.com>
Date: Thu, 30 Jan 2025 00:40:25 -0800
Subject: [PATCH 2/2] Update src/Neo/Persistence/DataCache.cs

---
 src/Neo/Persistence/DataCache.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Neo/Persistence/DataCache.cs b/src/Neo/Persistence/DataCache.cs
index 14476cbb71..88a290798e 100644
--- a/src/Neo/Persistence/DataCache.cs
+++ b/src/Neo/Persistence/DataCache.cs
@@ -316,7 +316,7 @@ public bool Contains(StorageKey key)
         /// <param name="key">The key of the entry.</param>
         /// <param name="factory">A delegate used to create the entry if it doesn't exist. If the entry already exists, the factory will not be used.</param>
         /// <returns>The cached data. Or <see langword="null"/> if it doesn't exist and the <paramref name="factory"/> is not provided.</returns>
-        public StorageItem? GetAndChange(StorageKey key, [NotNullIfNotNull(nameof(factory))] Func<StorageItem>? factory)
+        public StorageItem? GetAndChange(StorageKey key, [NotNullIfNotNull(nameof(factory))] Func<StorageItem>? factory = null)
         {
             lock (_dictionary)
             {