From 3e5f8c4373d928530e9b8694a4dac496db9079d1 Mon Sep 17 00:00:00 2001
From: zhangkai <zhangkai.gis@163.com>
Date: Mon, 12 Aug 2024 11:22:13 +0800
Subject: [PATCH] GetFilterChanges return a empty object instead of null when
 no changes. (#242)

* if no blocks return object instead of null

* fix compile error

* logs return object instead of null

* return object install null
---
 jsonrpc/endpoints_eth.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/jsonrpc/endpoints_eth.go b/jsonrpc/endpoints_eth.go
index ca03f7b194..3fe3c373c9 100644
--- a/jsonrpc/endpoints_eth.go
+++ b/jsonrpc/endpoints_eth.go
@@ -473,7 +473,7 @@ func (e *EthEndpoints) GetFilterChanges(filterID string) (interface{}, types.Err
 				return nil, rpcErr
 			}
 			if len(res) == 0 {
-				return nil, nil
+				return []common.Hash{}, nil
 			}
 			return res, nil
 		}
@@ -488,7 +488,7 @@ func (e *EthEndpoints) GetFilterChanges(filterID string) (interface{}, types.Err
 				return nil, rpcErr
 			}
 			if len(res) == 0 {
-				return nil, nil
+				return []common.Hash{}, nil
 			}
 			return res, nil
 		}
@@ -511,7 +511,7 @@ func (e *EthEndpoints) GetFilterChanges(filterID string) (interface{}, types.Err
 			}
 			res := resInterface.([]types.Log)
 			if len(res) == 0 {
-				return nil, nil
+				return []types.Log{}, nil
 			}
 			return res, nil
 		}