def load_trader_data(self, account_id):
"""加载交易员数据"""
account = query_account_one(account_id, self.db)
if isinstance(account, dict):
trader = Trader(self.event_engine, account, self.pst_active,
LoadDataMode.TRADING, self.db)
self.trader_dict[account_id] = trader
def creat(self, info: dict):
"""创建账户"""
account_dict = on_account_add(info, self.db)
if account_dict:
token = account_dict['account_id']
if not self.trader_dict.get(token):
account = Trader(self.event_engine, account_dict,
self.pst_active, LoadDataMode.CREAT, self.db)
self.trader_dict[token] = account
return account_dict
def login(self, token: str):
"""
账户登录
账户登录的过程就是将账户信息、持仓信息、订单信息加载到内存中，
并将账户所有信息比拟一个交易员放到交易员字典中
:param token: 账户ID
:param db: 数据库对象
:return: None
"""
trader = self.trader_dict.get(token)
# 账户未登陆
if not trader:
# 查询账户
account_dict = query_account_one(token, self.db)
if account_dict:
account = Trader(self.event_engine, account_dict,
self.pst_active, self.load_data_mode, self.db)
self.trader_dict[token] = account
return account_dict
else:
return False
else:
account = copy.deepcopy(trader.account)
return account.__dict__