eth/tracers: improve tracing performance (#23016)

Improves the performance of debug.traceTransaction

core/vm/logger_json.go

@@ -57,7 +57,6 @@ func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint
 		Gas:           gas,
 		GasCost:       cost,
 		MemorySize:    memory.Len(),
-		Storage:       nil,
 		Depth:         depth,
 		RefundCounter: env.StateDB.GetRefund(),
 		Err:           err,
@@ -66,12 +65,7 @@ func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint
 		log.Memory = memory.Data()
 	}
 	if !l.cfg.DisableStack {
-		//TODO(@holiman) improve this
-		logstack := make([]*big.Int, len(stack.Data()))
-		for i, item := range stack.Data() {
-			logstack[i] = item.ToBig()
-		}
-		log.Stack = logstack
+		log.Stack = stack.data
 	}
 	if !l.cfg.DisableReturnData {
 		log.ReturnData = rData