From 1a6ef5ae58ab7900139ef60da78cd1746b5bfa57 Mon Sep 17 00:00:00 2001
From: ywzqwwt <39263032+ywzqwwt@users.noreply.github.com>
Date: Thu, 26 Sep 2019 16:57:51 +0800
Subject: [PATCH] core/blockchain: remove block from futureBlocks on error
 (#19763)

---
 core/blockchain.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/blockchain.go b/core/blockchain.go
index 2665f7321..8b713d9e0 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -1549,6 +1549,7 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
 
 	// Some other error occurred, abort
 	case err != nil:
+		bc.futureBlocks.Remove(block.Hash())
 		stats.ignored += len(it.chain)
 		bc.reportBlock(block, nil, err)
 		return it.index, events, coalescedLogs, err