fix backtest Initialize call

config/emacross.yaml

@@ -26,7 +26,7 @@ backtest:
   endTime: "2022-03-01"
   symbols:
   - BTCUSDT
-  sessions: [max,binance]
+  sessions: [binance]
   # syncSecKLines: true
   accounts:
     binance:

pkg/bbgo/trader.go

@@ -357,7 +357,6 @@ func (trader *Trader) Run(ctx context.Context) error {
 }
 
 func (trader *Trader) Initialize(ctx context.Context) error {
-	log.Infof("initializing strategies...")
 	return trader.IterateStrategies(func(strategy StrategyID) error {
 		if initializer, ok := strategy.(StrategyInitializer); ok {
 			return initializer.Initialize()

pkg/cmd/backtest.go

@@ -303,6 +303,10 @@ var BacktestCmd = &cobra.Command{
 			return err
 		}
 
+		if err := trader.Initialize(ctx); err != nil {
+			return err
+		}
+
 		if err := trader.Run(ctx); err != nil {
 			return err
 		}

pkg/strategy/rsicross/strategy.go

@@ -37,7 +37,10 @@ type Strategy struct {
 }
 
 func (s *Strategy) Initialize() error {
-	s.Strategy = &common.Strategy{}
+	if s.Strategy == nil {
+		s.Strategy = &common.Strategy{}
+	}
+
 	return nil
 }