FIX: fix dca2 panic problem

pkg/strategy/dca2/active_order_recover.go

@@ -54,6 +54,7 @@ func (s *Strategy) recoverActiveOrders(ctx context.Context) error {
 	opts := common.SyncActiveOrdersOpts{
 		Logger:            s.logger,
 		Exchange:          s.ExchangeSession.Exchange,
+		OrderQueryService: s.orderQueryService,
 		ActiveOrderBook:   activeOrders,
 		OpenOrders:        openOrders,
 	}

pkg/strategy/dca2/strategy.go

@@ -94,6 +94,7 @@ type Strategy struct {
 	nextStateC           chan State
 	state                State
 	roundCollector       *RoundCollector
+	orderQueryService    types.ExchangeOrderQueryService
 	takeProfitPrice      fixedpoint.Value
 	startTimeOfNextRound time.Time
 	nextRoundPaused      bool
@@ -193,6 +194,13 @@ func (s *Strategy) Run(ctx context.Context, _ bbgo.OrderExecutor, session *bbgo.
 		s.OrderGroupID = util.FNV32(instanceID) % math.MaxInt32
 	}
 
+	// orderQueryService
+	if service, ok := s.ExchangeSession.Exchange.(types.ExchangeOrderQueryService); ok {
+		s.orderQueryService = service
+	} else {
+		return fmt.Errorf("exchange %s doesn't support ExchangeOrderQueryService", s.ExchangeSession.ExchangeName)
+	}
+
 	// round collector
 	s.roundCollector = NewRoundCollector(s.logger, s.Symbol, s.OrderGroupID, s.ExchangeSession.Exchange)
 	if s.roundCollector == nil {