From d534fea261fa9b9ba7403b478592b05260cc7aff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CGheisMohammadi=E2=80=9D?=
 <36589218+GheisMohammadi@users.noreply.github.com>
Date: Tue, 3 Oct 2023 17:22:18 +0800
Subject: [PATCH] add Validator method to blockchain to fix the interface

---
 core/blockchain_impl.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/core/blockchain_impl.go b/core/blockchain_impl.go
index e9360dc15..2fbdb92d7 100644
--- a/core/blockchain_impl.go
+++ b/core/blockchain_impl.go
@@ -685,6 +685,17 @@ func (bc *BlockChainImpl) CurrentBlock() *types.Block {
 	return bc.currentBlock.Load().(*types.Block)
 }
 
+// CurrentFastBlock retrieves the current fast-sync head block of the canonical
+// chain. The block is retrieved from the blockchain's internal cache.
+func (bc *BlockChainImpl) CurrentFastBlock() *types.Block {
+	return bc.currentFastBlock.Load().(*types.Block)
+}
+
+// Validator returns the current validator.
+func (bc *BlockChainImpl) Validator() Validator {
+	return bc.validator
+}
+
 func (bc *BlockChainImpl) Processor() Processor {
 	return bc.processor
 }