From 9e860e4c3f635aafbd182e7dd77471e2552003ab Mon Sep 17 00:00:00 2001
From: Daniel Liu <liudaniel@qq.com>
Date: Wed, 1 Mar 2023 18:00:22 +0800
Subject: [PATCH] eth/filters: fix blockHash in eth_getfilterchanges (#208)

---
 eth/filters/api.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/eth/filters/api.go b/eth/filters/api.go
index ef26145873..aef9adba10 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -28,6 +28,7 @@ import (
 	ethereum "github.com/XinFinOrg/XDPoSChain"
 	"github.com/XinFinOrg/XDPoSChain/common"
 	"github.com/XinFinOrg/XDPoSChain/common/hexutil"
+	"github.com/XinFinOrg/XDPoSChain/core"
 	"github.com/XinFinOrg/XDPoSChain/core/types"
 	"github.com/XinFinOrg/XDPoSChain/ethdb"
 	"github.com/XinFinOrg/XDPoSChain/event"
@@ -418,6 +419,10 @@ func (api *PublicFilterAPI) GetFilterChanges(id rpc.ID) (interface{}, error) {
 		case LogsSubscription:
 			logs := f.logs
 			f.logs = nil
+			for _, log := range logs {
+				// update BlockHash to fix #208
+				log.BlockHash = core.GetCanonicalHash(api.chainDb, log.BlockNumber)
+			}
 			return returnLogs(logs), nil
 		}
 	}