From edf8226a1c170e269389f6c836a0585e4272ef75 Mon Sep 17 00:00:00 2001
From: Erik Zhang <erik@neo.org>
Date: Fri, 2 Sep 2022 08:28:06 +0800
Subject: [PATCH] Fix RpcClient

---
 src/RpcClient/RpcClient.cs                  | 2 +-
 tests/Neo.Network.RPC.Tests/UT_RpcClient.cs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/RpcClient/RpcClient.cs b/src/RpcClient/RpcClient.cs
index b21a17a36..b8a6f31ac 100644
--- a/src/RpcClient/RpcClient.cs
+++ b/src/RpcClient/RpcClient.cs
@@ -206,7 +206,7 @@ public async Task<uint> GetBlockCountAsync()
         /// <summary>
         /// Returns the hash value of the corresponding block, based on the specified index.
         /// </summary>
-        public async Task<string> GetBlockHashAsync(int index)
+        public async Task<string> GetBlockHashAsync(uint index)
         {
             var result = await RpcSendAsync(GetRpcName(), index).ConfigureAwait(false);
             return result.AsString();
diff --git a/tests/Neo.Network.RPC.Tests/UT_RpcClient.cs b/tests/Neo.Network.RPC.Tests/UT_RpcClient.cs
index 7e4e9d0e1..f4de96f66 100644
--- a/tests/Neo.Network.RPC.Tests/UT_RpcClient.cs
+++ b/tests/Neo.Network.RPC.Tests/UT_RpcClient.cs
@@ -137,7 +137,7 @@ public async Task TestGetBlockCount()
         public async Task TestGetBlockHash()
         {
             var test = TestUtils.RpcTestCases.Find(p => p.Name == nameof(rpc.GetBlockHashAsync).ToLower());
-            var result = await rpc.GetBlockHashAsync((int)test.Request.Params[0].AsNumber());
+            var result = await rpc.GetBlockHashAsync((uint)test.Request.Params[0].AsNumber());
             Assert.AreEqual(test.Response.Result.AsString(), result.ToString());
         }