From 302ad169c1c6acd2dba56e3799db8b27ecb47b48 Mon Sep 17 00:00:00 2001
From: Alex Sharov <AskAlexSharov@gmail.com>
Date: Thu, 25 Mar 2021 14:57:20 +0700
Subject: [PATCH] Mining: to use correct ibs snapshot (#1601)

---
 eth/stagedsync/stage_mining_exec.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/eth/stagedsync/stage_mining_exec.go b/eth/stagedsync/stage_mining_exec.go
index ac54cb3dbcb..0d4536a8bdb 100644
--- a/eth/stagedsync/stage_mining_exec.go
+++ b/eth/stagedsync/stage_mining_exec.go
@@ -115,8 +115,10 @@ func addTransactionsToMiningBlock(current *miningBlock, chainConfig *params.Chai
 	noop := state.NewNoopWriter()
 
 	var miningCommitTx = func(txn *types.Transaction, coinbase common.Address, vmConfig *vm.Config, chainConfig *params.ChainConfig, cc *core.TinyChainContext, ibs *state.IntraBlockState, current *miningBlock) ([]*types.Log, error) {
+		snap := ibs.Snapshot()
 		receipt, err := core.ApplyTransaction(chainConfig, cc, &coinbase, gasPool, ibs, noop, header, txn, &header.GasUsed, *vmConfig)
 		if err != nil {
+			ibs.RevertToSnapshot(snap)
 			return nil, err
 		}
 		//if !chainConfig.IsByzantium(header.Number) {