core/txpool: no need to log loud rotate if no local txs (#29083)

* core/txpool: no need to run rotate if no local txs

Signed-off-by: jsvisa <delweng@gmail.com>

* Revert "core/txpool: no need to run rotate if no local txs"

This reverts commit 17fab173883168c586d57ca9c05dfcbd9e7831b4.

Signed-off-by: jsvisa <delweng@gmail.com>

* use Debug if todo is empty

Signed-off-by: jsvisa <delweng@gmail.com>

---------

Signed-off-by: jsvisa <delweng@gmail.com>

core/txpool/legacypool/journal.go

@@ -164,7 +164,12 @@ func (journal *journal) rotate(all map[common.Address]types.Transactions) error
 		return err
 	}
 	journal.writer = sink
-	log.Info("Regenerated local transaction journal", "transactions", journaled, "accounts", len(all))
+
+	logger := log.Info
+	if len(all) == 0 {
+		logger = log.Debug
+	}
+	logger("Regenerated local transaction journal", "transactions", journaled, "accounts", len(all))
 
 	return nil
 }