From 05e94ffee0340243d51e09f294f2e192da30aa33 Mon Sep 17 00:00:00 2001
From: NathanBSC <Nathan.l@nodereal.io>
Date: Tue, 12 Sep 2023 16:54:02 +0800
Subject: [PATCH] miner: do not copy nil baseFee for
 transactionsByPriceAndNonce

---
 miner/ordering.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/miner/ordering.go b/miner/ordering.go
index 98061e32e6..7e3640a455 100644
--- a/miner/ordering.go
+++ b/miner/ordering.go
@@ -126,11 +126,15 @@ func (t *transactionsByPriceAndNonce) Copy() *transactionsByPriceAndNonce {
 	for acc, txsTmp := range t.txs {
 		txs[acc] = txsTmp
 	}
+	var baseFee *big.Int
+	if t.baseFee != nil {
+		baseFee = big.NewInt(0).Set(t.baseFee)
+	}
 	return &transactionsByPriceAndNonce{
 		heads:   heads,
 		txs:     txs,
 		signer:  t.signer,
-		baseFee: big.NewInt(0).Set(t.baseFee),
+		baseFee: baseFee,
 	}
 }