[增强功能] 增加接口获取某一合约当前保证金（包括自定义套利合约）

vnpy/app/cta_strategy_pro/back_testing.py

@@ -65,6 +65,7 @@ from vnpy.trader.util_logger import setup_logger
 from vnpy.data.mongo.mongo_data import MongoData
 from uuid import uuid1
 
+
 class BackTestingEngine(object):
     """
     CTA回测引擎
@@ -302,6 +303,77 @@ class BackTestingEngine(object):
     def get_margin_rate(self, vt_symbol: str):
         return self.margin_rate.get(vt_symbol, 0.1)
 
+    def get_margin(self, vt_symbol: str):
+        """
+        按照当前价格，计算1手合约需要得保证金
+        :param vt_symbol:
+        :return: 普通合约/期权 => 当前价格 * size * margin_rate
+                 SP j2101&j2105.DCE => max( 当前价格 * size * margin_rate)
+                 j2101-1-i2101-3-BJ.SPD => (主动腿价格*主动腿size * 主动腿margin_rate + 被动腿价格*被动腿size * 被动腿margin_rate
+                 rb2101-1-rb2105-1-CJ.SPD => max(主动腿价格*主动腿size * 主动腿margin_rate , 被动腿价格*被动腿size * 被动腿margin_rate
+        """
+
+        if '.SPD99' in vt_symbol:
+            vt_symbol = vt_symbol.replace('.SPD99', '.SPD')
+
+        if not vt_symbol.endswith('.SPD') and '&' not in vt_symbol:
+            cur_price = self.get_price(vt_symbol)
+            cur_size = self.get_size(vt_symbol)
+            cur_margin_rate = self.get_margin_rate(vt_symbol)
+            if cur_price and cur_size and cur_margin_rate:
+                return abs(cur_price * cur_size * cur_margin_rate)
+            else:
+                # 取不到价格，取不到size，或者取不到保证金比例
+                self.write_error(f'无法计算{vt_symbol}的保证金，价格:{cur_price}或size:{cur_size}或margin_rate:{cur_margin_rate}')
+                return None
+
+        # j2101-1-i2101-3-BJ.SPD  rb2101-1-rb2105-1-CJ.SPD
+        if vt_symbol.endswith('.SPD'):
+            act_symbol, act_ratio, pas_symbol, pas_ratio, spd_type = vt_symbol.replace('.SPD', '').split('-')
+            act_vt_symbol = '{}.{}'.format(act_symbol, self.get_exchange(act_symbol).value)
+            pas_vt_symbol = '{}.{}'.format(pas_symbol, self.get_exchange(pas_symbol).value)
+            act_ratio = int(act_ratio)
+            pas_ratio = int(pas_ratio)
+        # SP j2101&j2105.DCE
+        elif '&' in vt_symbol:
+            symbol, exchange = extract_vt_symbol(vt_symbol)
+            symbol = symbol.split(' ')[-1]
+            act_symbol, pas_symbol = symbol.split('&')
+            act_vt_symbol = f'{act_symbol}.{exchange.value}'
+            pas_vt_symbol = f'{pas_symbol}.{exchange.value}'
+            act_ratio = 1
+            pas_ratio = 1
+        else:
+            self.write_error(f'无法计算{vt_symbol}的保证金：无法分解')
+            return None
+
+        act_cur_price = self.get_price(act_vt_symbol)
+        act_size = self.get_size(act_vt_symbol)
+        act_margin_rate = self.get_margin_rate(act_vt_symbol)
+        pas_cur_price = self.get_price(pas_vt_symbol)
+        pas_size = self.get_size(pas_vt_symbol)
+        pas_margin_rate = self.get_margin_rate(pas_vt_symbol)
+
+        if not all([act_cur_price, act_size, act_margin_rate]):
+            self.write_error(
+                f'无法计算{vt_symbol}的保证金，{act_vt_symbol}价格:{act_cur_price}或size:{act_size}或margin_rate:{act_margin_rate}')
+            return None
+        if not all([pas_cur_price, pas_size, pas_margin_rate]):
+            self.write_error(
+                f'无法计算{vt_symbol}的保证金，{pas_vt_symbol}价格:{pas_cur_price}或size:{pas_size}或margin_rate:{pas_margin_rate}')
+            return None
+
+        # 跨期合约
+        if get_underlying_symbol(act_symbol) == get_underlying_symbol(pas_symbol):
+            spd_margin = max(act_cur_price * act_size * act_margin_rate * act_ratio,
+                             pas_cur_price * pas_size * pas_margin_rate * pas_ratio)
+
+        # 跨品种合约，取最大值
+        else:
+            spd_margin = act_cur_price * act_size * act_margin_rate * act_ratio + pas_cur_price * pas_size * pas_margin_rate * pas_ratio
+
+        return spd_margin
+
     def set_slippage(self, vt_symbol: str, slippage: float):
         """设置滑点点数"""
         self.slippage.update({vt_symbol: slippage})
@@ -599,7 +671,8 @@ class BackTestingEngine(object):
     def new_bar(self, bar):
         """新的K线"""
         self.last_bar.update({bar.vt_symbol: bar})
-        if self.last_dt is None or (bar.datetime and bar.datetime > self.last_dt - timedelta(seconds=self.bar_interval_seconds)):
+        if self.last_dt is None or (
+                bar.datetime and bar.datetime > self.last_dt - timedelta(seconds=self.bar_interval_seconds)):
             self.last_dt = bar.datetime + timedelta(seconds=self.bar_interval_seconds)
         self.set_price(bar.vt_symbol, bar.close_price)
         self.cross_stop_order(bar=bar)  # 撮合停止单
@@ -798,7 +871,7 @@ class BackTestingEngine(object):
         """保存策略数据"""
         for strategy in self.strategies.values():
             self.write_log(u'save strategy data')
-            if hasattr(strategy,'save_data'):
+            if hasattr(strategy, 'save_data'):
                 strategy.save_data()
 
     def send_order(self,
@@ -1441,7 +1514,8 @@ class BackTestingEngine(object):
                         # raise Exception(u'异常!没有空单持仓，不能cover')
                         return
 
-                    cur_short_pos_list = [s_pos.volume for s_pos in self.short_position_list if s_pos.vt_symbol == trade.vt_symbol]
+                    cur_short_pos_list = [s_pos.volume for s_pos in self.short_position_list if
+                                          s_pos.vt_symbol == trade.vt_symbol]
 
                     self.write_log(u'{}当前空单:{}'.format(trade.vt_symbol, cur_short_pos_list))
 
@@ -1454,7 +1528,8 @@ class BackTestingEngine(object):
                             self.write_error(f'没有{trade.strategy_name}对应的symbol:{trade.vt_symbol}的空单持仓, 继续')
                             break
                         else:
-                            self.write_error(u'异常，{}没有对应symbol:{}的空单持仓, 终止'.format(trade.strategy_name, trade.vt_symbol))
+                            self.write_error(
+                                u'异常，{}没有对应symbol:{}的空单持仓, 终止'.format(trade.strategy_name, trade.vt_symbol))
                             # raise Exception(u'realtimeCalculate2() Exception,没有对应symbol:{0}的空单持仓'.format(trade.vt_symbol))
                             return
 
@@ -1587,7 +1662,6 @@ class BackTestingEngine(object):
 
                         cover_volume = 0
 
-
                         if g_result is not None:
                             # 更新组合的数据
                             g_result.turnover = g_result.turnover + result.turnover
@@ -1629,7 +1703,8 @@ class BackTestingEngine(object):
                             # raise RuntimeError(f'realtimeCalculate2() Exception,没有对应的symbol:{trade.vt_symbol}多单数据,')
                             return
 
-                    cur_long_pos_list = [s_pos.volume for s_pos in self.long_position_list if s_pos.vt_symbol == trade.vt_symbol]
+                    cur_long_pos_list = [s_pos.volume for s_pos in self.long_position_list if
+                                         s_pos.vt_symbol == trade.vt_symbol]
 
                     self.write_log(u'{}当前多单:{}'.format(trade.vt_symbol, cur_long_pos_list))
 

vnpy/app/cta_strategy_pro/engine.py

@@ -850,6 +850,78 @@ class CtaEngine(BaseEngine):
 
         return contract.min_volume
 
+    def get_margin(self, vt_symbol: str):
+        """
+        按照当前价格，计算1手合约需要得保证金
+        :param vt_symbol:
+        :return: 普通合约/期权 => 当前价格 * size * margin_rate
+                 SP j2101&j2105.DCE => max( 当前价格 * size * margin_rate)
+                 j2101-1-i2101-3-BJ.SPD => (主动腿价格*主动腿size * 主动腿margin_rate + 被动腿价格*被动腿size * 被动腿margin_rate
+                 rb2101-1-rb2105-1-CJ.SPD => max(主动腿价格*主动腿size * 主动腿margin_rate , 被动腿价格*被动腿size * 被动腿margin_rate
+        """
+        if not vt_symbol.endswith('.SPD') and '&' not in vt_symbol:
+            cur_price = self.get_price(vt_symbol)
+            cur_size = self.get_size(vt_symbol)
+            cur_margin_rate = self.get_margin_rate(vt_symbol)
+            if cur_price and cur_size and cur_margin_rate:
+                return abs(cur_price * cur_size * cur_margin_rate)
+            else:
+                # 取不到价格，取不到size，或者取不到保证金比例
+                self.write_error(f'无法计算{vt_symbol}的保证金，价格:{cur_price}或size:{cur_size}或margin_rate:{cur_margin_rate}')
+                return None
+
+        # j2101-1-i2101-3-BJ.SPD  rb2101-1-rb2105-1-CJ.SPD
+        if vt_symbol.endswith('.SPD'):
+            contract_conf = self.get_custom_contract(vt_symbol)
+            if contract_conf is None:
+                self.write_error(f'无法计算{vt_symbol}保证金，获取不到自定义合约配置')
+                return None
+            act_symbol = contract_conf.get('leg1_symbol')
+            pas_symbol = contract_conf.get('leg2_symbol')
+            act_vt_symbol = '{}.{}'.format(act_symbol, contract_conf.get('leg1_exchange'))
+            pas_vt_symbol = '{}.{}'.format(pas_symbol, contract_conf.get('leg2_exchange'))
+            act_ratio = int(contract_conf.get('leg1_ratio'))
+            pas_ratio = int(contract_conf.get('leg2_ratio'))
+        # SP j2101&j2105.DCE
+        elif '&' in vt_symbol:
+            symbol, exchange = extract_vt_symbol(vt_symbol)
+            symbol = symbol.split(' ')[-1]
+            act_symbol, pas_symbol = symbol.split('&')
+            act_vt_symbol = f'{act_symbol}.{exchange.value}'
+            pas_vt_symbol = f'{pas_symbol}.{exchange.value}'
+            act_ratio = 1
+            pas_ratio = 1
+        else:
+            self.write_error(f'无法计算{vt_symbol}的保证金：无法分解')
+            return None
+
+        act_cur_price = self.get_price(act_vt_symbol)
+        act_size = self.get_size(act_vt_symbol)
+        act_margin_rate = self.get_margin_rate(act_vt_symbol)
+        pas_cur_price = self.get_price(pas_vt_symbol)
+        pas_size = self.get_size(pas_vt_symbol)
+        pas_margin_rate = self.get_margin_rate(pas_vt_symbol)
+
+        if not all([act_cur_price, act_size, act_margin_rate]):
+            self.write_error(
+                f'无法计算{vt_symbol}的保证金，{act_vt_symbol}价格:{act_cur_price}或size:{act_size}或margin_rate:{act_margin_rate}')
+            return None
+        if not all([pas_cur_price, pas_size, pas_margin_rate]):
+            self.write_error(
+                f'无法计算{vt_symbol}的保证金，{pas_vt_symbol}价格:{pas_cur_price}或size:{pas_size}或margin_rate:{pas_margin_rate}')
+            return None
+
+        # 跨期合约
+        if get_underlying_symbol(act_symbol) == get_underlying_symbol(pas_symbol):
+            spd_margin = max(act_cur_price * act_size * act_margin_rate * act_ratio,
+                             pas_cur_price * pas_size * pas_margin_rate * pas_ratio)
+
+        # 跨品种合约，取最大值
+        else:
+            spd_margin = act_cur_price * act_size * act_margin_rate * act_ratio + pas_cur_price * pas_size * pas_margin_rate * pas_ratio
+
+        return spd_margin
+
     def get_tick(self, vt_symbol: str):
         """获取合约得最新tick"""
         return self.main_engine.get_tick(vt_symbol)
@@ -873,6 +945,24 @@ class CtaEngine(BaseEngine):
         return self.main_engine.get_contract(vt_symbol)
 
     def get_custom_contract(self, vt_symbol):
+        """
+                获取自定义合约的设置
+                :param symbol:    "pb2012-1-pb2101-1-CJ"
+                :return: {
+                "name": "pb跨期价差",
+                "exchange": "SPD",
+                "leg1_symbol": "pb2012",
+                "leg1_exchange": "SHFE",
+                "leg1_ratio": 1,
+                "leg2_symbol": "pb2101",
+                "leg2_exchange": "SHFE",
+                "leg2_ratio": 1,
+                "is_spread": true,
+                "size": 1,
+                "margin_rate": 0.1,
+                "price_tick": 5
+                }
+                """
         return self.main_engine.get_custom_contract(vt_symbol.split('.')[0])
 
     def get_all_contracts(self):

vnpy/app/cta_strategy_pro/spread_testing.py

@@ -288,6 +288,9 @@ class SpreadTestingEngine(BackTestingEngine):
 
         self.write_log(u'开始套利组合回测')
 
+        # 保存回测脚本到数据库
+        self.save_setting_to_mongo()
+
         for strategy_name, strategy_setting in strategy_settings.items():
             # 策略得启动日期
             if 'start_date' in strategy_setting:

vnpy/app/cta_strategy_pro/template.py

@@ -771,8 +771,8 @@ class CtaProTemplate(CtaTemplate):
 
                     short_symbol = sg.snapshot.get('mi_symbol', self.vt_symbol)
                     pos_symbols.add(short_symbol)
-                    self.write_log(u'加载持仓空单[{},价格:{}],[指数:{},价格：{}],数量:{}手'
+                    self.write_log(u'加载持仓空单[ID:{},vt_symbol:{},价格:{}],[指数:{},价格：{}],数量:{}手'
-                                   .format(short_symbol, sg.snapshot.get('open_price'),
+                                   .format(sg.id, short_symbol, sg.snapshot.get('open_price'),
                                            self.idx_symbol, sg.open_price, sg.volume))
                     self.position.short_pos -= sg.volume
 
@@ -797,8 +797,8 @@ class CtaProTemplate(CtaTemplate):
                     long_symbol = lg.snapshot.get('mi_symbol', self.vt_symbol)
                     pos_symbols.add(long_symbol)
 
-                    self.write_log(u'加载持仓多单[{},价格:{}],[指数{},价格:{}],数量:{}手'
+                    self.write_log(u'加载持仓多单[ID:{},vt_symbol:{},价格:{}],[指数{},价格:{}],数量:{}手'
-                                   .format(lg.snapshot.get('miSymbol'), lg.snapshot.get('open_price'),
+                                   .format(lg.id, long_symbol, lg.snapshot.get('open_price'),
                                            self.idx_symbol, lg.open_price, lg.volume))
                     self.position.long_pos += lg.volume
 
@@ -899,24 +899,29 @@ class CtaProTemplate(CtaTemplate):
 
         none_mi_grid = None
         none_mi_symbol = None
-
+        self.write_log(f'持仓换月=>启动.')
         # 找出非主力合约的持仓网格
         for g in self.gt.get_opened_grids(direction=Direction.LONG):
-            none_mi_symbol = g.snapshot.get('mi_symbol')
+            none_mi_symbol = g.snapshot.get('mi_symbol', g.vt_symbol)
-            if none_mi_symbol is None or none_mi_symbol == self.vt_symbol:
             # 如果持仓的合约，跟策略配置的vt_symbol一致，则不处理
+            if none_mi_symbol is None or none_mi_symbol == self.vt_symbol:
+                self.write_log(f'none_mi_symbol:{none_mi_symbol}, vt_symbol:{self.vt_symbol} 一致，不处理')
                 continue
+
+            # 如果未开仓，或者处于委托状态，或者已交易完毕，不处理
             if not g.open_status or g.order_status or g.volume - g.traded_volume <= 0:
+                self.write_log(f'开仓状态:{g.open_status}, 委托状态:{g.order_status},网格持仓:{g.volume} ,已交易数量:{g.traded_volume}, 不处理')
                 continue
 
             none_mi_grid = g
             if g.traded_volume > 0 and g.volume - g.traded_volume > 0:
+
                 g.volume -= g.traded_volume
                 g.traded_volume = 0
             break
         if none_mi_grid is None:
             return
-
+        self.write_log(f'持仓换月=>找到多单持仓:{none_mi_symbol},持仓数量:{none_mi_grid.volume}')
         # 找到行情中非主力合约/主力合约的最新价
         none_mi_tick = self.tick_dict.get(none_mi_symbol)
         mi_tick = self.tick_dict.get(self.vt_symbol, None)
@@ -925,24 +930,28 @@ class CtaProTemplate(CtaTemplate):
 
         # 如果涨停价，不做卖出
         if self.is_upper_limit(none_mi_symbol) or self.is_upper_limit(self.vt_symbol):
+            self.write_log(f'{none_mi_symbol} 或 {self.vt_symbol} 为涨停价，不做换仓')
             return
         none_mi_price = max(none_mi_tick.last_price, none_mi_tick.bid_price_1)
 
         grid = deepcopy(none_mi_grid)
         grid.id = str(uuid.uuid1())
+        grid.open_status = False
+        self.write_log(f'持仓换月=>复制持仓信息{none_mi_symbol},ID:{none_mi_grid.id} => {self.vt_symbol},ID:{grid.id}')
 
         # 委托卖出非主力合约
+
         vt_orderids = self.sell(price=none_mi_price,
                                 volume=none_mi_grid.volume,
                                 vt_symbol=none_mi_symbol,
                                 order_type=self.order_type,
                                 grid=none_mi_grid)
         if len(vt_orderids) > 0:
-            self.write_log(f'切换合约,委托卖出非主力合约{none_mi_symbol}持仓:{none_mi_grid.volume}')
+            self.write_log(f'持仓换月=>委托卖出非主力合约{none_mi_symbol}持仓:{none_mi_grid.volume}')
 
             # 已经发生过换月的，不执行买入新合约
             if none_mi_grid.snapshot.get("switched", False):
-                self.write_log(f'已经执行过换月，不再创建新的买入操作')
+                self.write_log(f'持仓换月=>已经执行过换月，不再创建新的买入操作')
                 return
 
             none_mi_grid.snapshot.update({'switched': True})
@@ -956,13 +965,13 @@ class CtaProTemplate(CtaTemplate):
                                    order_type=self.order_type,
                                    grid=grid)
             if len(vt_orderids) > 0:
-                self.write_log(u'切换合约,委托买入主力合约:{},价格:{},数量:{}'
+                self.write_log(u'持仓换月=>委托买入主力合约:{},价格:{},数量:{}'
                                .format(self.vt_symbol, self.cur_mi_price, grid.volume))
             else:
-                self.write_error(f'委托买入主力合约:{self.vt_symbol}失败')
+                self.write_error(f'持仓换月=>委托买入主力合约:{self.vt_symbol}失败')
             self.gt.save()
         else:
-            self.write_error(f'委托卖出非主力合约:{none_mi_symbol}失败')
+            self.write_error(f'持仓换月=>委托卖出非主力合约:{none_mi_symbol}失败')
 
     def tns_switch_short_pos(self):
         """切换合约，从持仓的非主力合约，切换至主力合约"""

vnpy/gateway/ctp/ctp_gateway.py

@@ -1070,6 +1070,8 @@ class CtpTdApi(TdApi):
                                 future_contract.update({'margin_rate': mi_margin_rate})
                                 future_contract.update({'symbol_size': idx_contract.size})
                                 future_contract.update({'price_tick': idx_contract.pricetick})
+                                if 'exchange' not in future_contract:
+                                    future_contract.update({'exchange': contract.exchange.value})
                                 future_contracts.update({underlying_symbol: future_contract})
                                 self.future_contract_changed = True
                                 index_contracts.update({underlying_symbol: idx_contract})
@@ -2090,4 +2092,3 @@ class TqMdApi():
                     self.update_thread.join()
         except Exception as e:
             self.gateway.write_log('退出天勤行情api异常:{}'.format(str(e)))
-

vnpy/trader/engine.py

@@ -452,8 +452,7 @@ class OmsEngine(BaseEngine):
         import bz2
         import pickle
         contract_file_name = 'vn_contract.pkb2'
-        if not os.path.exists(contract_file_name):
+        if os.path.exists(contract_file_name):
-            return
             try:
                 with bz2.BZ2File(contract_file_name, 'rb') as f:
                     self.contracts = pickle.load(f)