From 70e45298486756401a3792ab4e2904700486f023 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Fri, 1 Nov 2019 16:36:32 +0300
Subject: [PATCH] rpc: add `0x` prefix to the getbestblockhash answer

For consistency with C# nodes that do add it to their answers.
---
 pkg/rpc/server.go      | 2 +-
 pkg/rpc/server_test.go | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkg/rpc/server.go b/pkg/rpc/server.go
index a767663f5..93d767f1a 100644
--- a/pkg/rpc/server.go
+++ b/pkg/rpc/server.go
@@ -117,7 +117,7 @@ Methods:
 	switch req.Method {
 	case "getbestblockhash":
 		getbestblockhashCalled.Inc()
-		results = s.chain.CurrentBlockHash().ReverseString()
+		results = "0x" + s.chain.CurrentBlockHash().ReverseString()
 
 	case "getblock":
 		getbestblockCalled.Inc()
diff --git a/pkg/rpc/server_test.go b/pkg/rpc/server_test.go
index 3d6c139e1..1f6424d72 100644
--- a/pkg/rpc/server_test.go
+++ b/pkg/rpc/server_test.go
@@ -28,7 +28,7 @@ func TestRPC(t *testing.T) {
 		var res StringResultResponse
 		err := json.Unmarshal(bytes.TrimSpace(body), &res)
 		assert.NoErrorf(t, err, "could not parse response: %s", body)
-		assert.Equal(t, chain.CurrentBlockHash().ReverseString(), res.Result)
+		assert.Equal(t, "0x"+chain.CurrentBlockHash().ReverseString(), res.Result)
 	})
 
 	t.Run("getblock", func(t *testing.T) {