From a2e3d35df282ace052f2d6160890589925ca11bf Mon Sep 17 00:00:00 2001
From: Jongwhan Lee <51560997+leejw51crypto@users.noreply.github.com>
Date: Tue, 29 Jun 2021 23:05:12 +0800
Subject: [PATCH] rpc: fix JSON-RPC block extraData (#204)

---
 ethereum/rpc/types/utils.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ethereum/rpc/types/utils.go b/ethereum/rpc/types/utils.go
index 6fc89e71..0a48c3b6 100644
--- a/ethereum/rpc/types/utils.go
+++ b/ethereum/rpc/types/utils.go
@@ -186,7 +186,7 @@ func FormatBlock(
 		"miner":            common.Address{},
 		"mixHash":          common.Hash{},
 		"difficulty":       (*hexutil.Big)(big.NewInt(0)),
-		"extraData":        hexutil.Uint64(0),
+		"extraData":        "",
 		"size":             hexutil.Uint64(size),
 		"gasLimit":         hexutil.Uint64(gasLimit), // Static gas limit
 		"gasUsed":          (*hexutil.Big)(gasUsed),