From 7fad428a8f1c55fd575bdb0274646c7b3c0d7e33 Mon Sep 17 00:00:00 2001
From: Daniel Liu <139250065@qq.com>
Date: Mon, 3 Nov 2025 17:24:31 +0800
Subject: [PATCH] core/types: reuse signtx #29152, close XFN-63 (#1631)

---
 core/types/transaction_signing.go | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/core/types/transaction_signing.go b/core/types/transaction_signing.go
index 7f7319742a..d92aa655a3 100644
--- a/core/types/transaction_signing.go
+++ b/core/types/transaction_signing.go
@@ -98,13 +98,7 @@ func SignTx(tx *Transaction, s Signer, prv *ecdsa.PrivateKey) (*Transaction, err
 
 // SignNewTx creates a transaction and signs it.
 func SignNewTx(prv *ecdsa.PrivateKey, s Signer, txdata TxData) (*Transaction, error) {
-	tx := NewTx(txdata)
-	h := s.Hash(tx)
-	sig, err := crypto.Sign(h[:], prv)
-	if err != nil {
-		return nil, err
-	}
-	return tx.WithSignature(s, sig)
+	return SignTx(NewTx(txdata), s, prv)
 }
 
 // MustSignNewTx creates a transaction and signs it.