From 14bd0130f8f390a0d6e4042aa693835df2e48fbf Mon Sep 17 00:00:00 2001
From: ZhangTao1596 <zhangtao@ngd.neo.org>
Date: Mon, 27 Sep 2021 17:37:11 +0800
Subject: [PATCH] fix offset initial value

---
 src/StateService/MPT/MPTTrie.Find.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/StateService/MPT/MPTTrie.Find.cs b/src/StateService/MPT/MPTTrie.Find.cs
index 3d3c21166..82d33f06f 100644
--- a/src/StateService/MPT/MPTTrie.Find.cs
+++ b/src/StateService/MPT/MPTTrie.Find.cs
@@ -71,12 +71,12 @@ private ReadOnlySpan<byte> Seek(ref MPTNode node, ReadOnlySpan<byte> path, out M
             {
                 if (!from.AsSpan().StartsWith(prefix))
                     throw new InvalidOperationException("invalid from key");
-                offset = prefix.Length * 2;
                 from = ToNibbles(from.AsSpan());
             }
             if (path.Length > MPTNode.MaxKeyLength || from.Length > MPTNode.MaxKeyLength)
                 throw new ArgumentException("exceeds limit");
             path = Seek(ref root, path, out MPTNode start).ToArray();
+            offset = path.Length;
             return Travers(start, path, from, offset)
                 .Select(p => (FromNibbles(p.Key).AsSerializable<TKey>(), p.Value.AsSerializable<TValue>()));
         }