From bbf9386b07f959ec4da7be64a4ed535b13ef86bc Mon Sep 17 00:00:00 2001
From: erikzhang <erik@neo.org>
Date: Wed, 13 Mar 2019 16:21:40 +0800
Subject: [PATCH] Fixes #635

---
 neo/Network/RPC/RpcServer.cs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/neo/Network/RPC/RpcServer.cs b/neo/Network/RPC/RpcServer.cs
index 467ba6c709..faf8778fdb 100644
--- a/neo/Network/RPC/RpcServer.cs
+++ b/neo/Network/RPC/RpcServer.cs
@@ -140,7 +140,7 @@ private JObject Process(string method, JArray _params)
                     }
                 case "getblockhash":
                     {
-                        uint height = (uint)_params[0].AsNumber();
+                        uint height = uint.Parse(_params[0].AsString());
                         return GetBlockHash(height);
                     }
                 case "getblockheader":
@@ -151,7 +151,7 @@ private JObject Process(string method, JArray _params)
                     }
                 case "getblocksysfee":
                     {
-                        uint height = (uint)_params[0].AsNumber();
+                        uint height = uint.Parse(_params[0].AsString());
                         return GetBlockSysFee(height);
                     }
                 case "getconnectioncount":
@@ -192,7 +192,7 @@ private JObject Process(string method, JArray _params)
                 case "gettxout":
                     {
                         UInt256 hash = UInt256.Parse(_params[0].AsString());
-                        ushort index = (ushort)_params[1].AsNumber();
+                        ushort index = ushort.Parse(_params[1].AsString());
                         return GetTxOut(hash, index);
                     }
                 case "getvalidators":
@@ -416,7 +416,7 @@ private JObject GetBlock(JObject key, bool verbose)
             Block block;
             if (key is JNumber)
             {
-                uint index = (uint)key.AsNumber();
+                uint index = uint.Parse(key.AsString());
                 block = Blockchain.Singleton.Store.GetBlock(index);
             }
             else
@@ -457,7 +457,7 @@ private JObject GetBlockHeader(JObject key, bool verbose)
             Header header;
             if (key is JNumber)
             {
-                uint height = (uint)key.AsNumber();
+                uint height = uint.Parse(key.AsString());
                 header = Blockchain.Singleton.Store.GetHeader(height);
             }
             else