微软开源大模型MarS：直接模拟了整个金融市场

agent = NoiseAgent(    symbol=symbol,    init_price=100000,    interval_seconds=1,    start_time=start_time,    end_time=end_time,)env = Env(exchange, description="Noise agent simulation")env.register_agent(agent)env.push_events(create_exchange_events(config))for observation in env.env():    action = observation.agent.get_action(observation)    env.step(action)

class TransState(State):    def __init__(self) -> None:        super().__init__()        self.transactons: List[Transaction] = []
    def on_trading(self, trade_info: TradeInfo):        super().on_trading(trade_info)        self.transactons.extend(trade_info.transactions)
    def on_open(self, cancel_transactions: List[Transaction], lob_snapshot: LobSnapshot, match_trans: Optional[Transaction] = None):        super().on_open(cancel_transactions=cancel_transactions, lob_snapshot=lob_snapshot, match_trans=match_trans)        self.transactons.extend(cancel_transactions)        if match_trans:            self.transactons.append(match_trans)
    def on_close(self, close_orderbook: Orderbook, lob_snapshot: LobSnapshot, match_trans: Optional[Transaction] = None):        super().on_close(match_trans=match_trans, close_orderbook=close_orderbook, lob_snapshot=lob_snapshot)        if match_trans:            self.transactons.append(match_trans)