From e097f2b0df5262d18495b1aafde7aead55266c2e Mon Sep 17 00:00:00 2001
From: Daniel Liu <liudaniel@qq.com>
Date: Wed, 24 Jan 2024 13:37:38 +0800
Subject: [PATCH] remove key with empty value from map txs in func
 NewOrderTransactionByNonce

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

diff --git a/core/types/order_transaction.go b/core/types/order_transaction.go
index 907ed7dbe9..626af81474 100644
--- a/core/types/order_transaction.go
+++ b/core/types/order_transaction.go
@@ -305,6 +305,7 @@ func NewOrderTransactionByNonce(signer OrderSigner, txs map[common.Address]Order
 	heads := make(OrderTxByNonce, 0, len(txs))
 	for from, accTxs := range txs {
 		if len(accTxs) == 0 {
+			delete(txs, from)
 			continue
 		}
 		heads = append(heads, accTxs[0])