From 25dbd6df191fdf726cf93cc53de2f709a6618305 Mon Sep 17 00:00:00 2001
From: kukoomomo <kukoomomo@gmail.com>
Date: Wed, 17 Dec 2025 10:29:52 +0800
Subject: [PATCH] update

---
 core/types/receipt.go         | 2 +-
 rollup/fees/rate.go           | 8 ++++----
 rollup/fees/token_transfer.go | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/core/types/receipt.go b/core/types/receipt.go
index 40946fef8..96bb17f98 100644
--- a/core/types/receipt.go
+++ b/core/types/receipt.go
@@ -124,7 +124,7 @@ type storedReceiptRLP struct {
 }
 
 // v7StoredReceiptRLP is the storage encoding of a receipt used in database version 7.
-// This version was introduced when AltFee feature was added (2024-11).
+// This version was introduced when AltFee feature was added.
 // It includes L1Fee and all AltFee fields (FeeTokenID, FeeRate, TokenScale, FeeLimit).
 type v7StoredReceiptRLP struct {
 	PostStateOrStatus []byte
diff --git a/rollup/fees/rate.go b/rollup/fees/rate.go
index 97133a626..ea0566288 100644
--- a/rollup/fees/rate.go
+++ b/rollup/fees/rate.go
@@ -28,17 +28,17 @@ func TokenRate(state StateDB, tokenID uint16) (*big.Int, *big.Int, error) {
 }
 
 func EthToAlt(state StateDB, tokenID uint16, amount *big.Int) (*big.Int, error) {
-	rate, tokenSacle, err := TokenRate(state, tokenID)
+	rate, scale, err := TokenRate(state, tokenID)
 	if err != nil {
 		return nil, err
 	}
-	return types.EthToAlt(amount, rate, tokenSacle)
+	return types.EthToAlt(amount, rate, scale)
 }
 
 func AltToETH(state StateDB, tokenID uint16, amount *big.Int) (*big.Int, error) {
-	rate, tokenScale, err := TokenRate(state, tokenID)
+	rate, scale, err := TokenRate(state, tokenID)
 	if err != nil {
 		return nil, err
 	}
-	return types.AltToEth(amount, rate, tokenScale)
+	return types.AltToEth(amount, rate, scale)
 }
diff --git a/rollup/fees/token_transfer.go b/rollup/fees/token_transfer.go
index 86f673bc1..f46d0aae5 100644
--- a/rollup/fees/token_transfer.go
+++ b/rollup/fees/token_transfer.go
@@ -59,7 +59,7 @@ func changeAltTokenBalanceByState(state StateDB, tokenAddress common.Address, ba
 	amountBytes := common.LeftPadBytes(newBalance.Bytes(), 32)
 	amountHash := common.BytesToHash(amountBytes)
 
-	// Calculate the storage slot for the user's balance
+	// Change user balance
 	state.SetState(tokenAddress, storageSlot, amountHash)
 
 	return nil