cmd/pnl: fix trade table query

pkg/cmd/pnl.go

@@ -18,11 +18,11 @@ import (
 )
 
 func init() {
-	PnLCmd.Flags().String("session", "", "target exchange")
+	PnLCmd.Flags().StringArray("session", []string{}, "target exchange sessions")
 	PnLCmd.Flags().String("symbol", "", "trading symbol")
 	PnLCmd.Flags().Bool("include-transfer", false, "convert transfer records into trades")
 	PnLCmd.Flags().String("since", "", "query trades from a time point")
-	PnLCmd.Flags().Int("limit", 0, "number of trades")
+	PnLCmd.Flags().Uint64("limit", 0, "number of trades")
 	RootCmd.AddCommand(PnLCmd)
 }
 
@@ -34,11 +34,15 @@ var PnLCmd = &cobra.Command{
 	RunE: func(cmd *cobra.Command, args []string) error {
 		ctx := context.Background()
 
-		sessionName, err := cmd.Flags().GetString("session")
+		sessionNames, err := cmd.Flags().GetStringArray("session")
 		if err != nil {
 			return err
 		}
 
+		if len(sessionNames) == 0 {
+			return errors.New("--session [SESSION] is required")
+		}
+
 		symbol, err := cmd.Flags().GetString("symbol")
 		if err != nil {
 			return err
@@ -48,41 +52,6 @@ var PnLCmd = &cobra.Command{
 			return errors.New("--symbol [SYMBOL] is required")
 		}
 
-		limit, err := cmd.Flags().GetInt("limit")
-		if err != nil {
-			return err
-		}
-
-		environ := bbgo.NewEnvironment()
-
-		if err := environ.ConfigureDatabase(ctx); err != nil {
-			return err
-		}
-
-		if err := environ.ConfigureExchangeSessions(userConfig); err != nil {
-			return err
-		}
-
-		session, ok := environ.Session(sessionName)
-		if !ok {
-			return fmt.Errorf("session %s not found", sessionName)
-		}
-
-		if err := environ.SyncSession(ctx, session, symbol); err != nil {
-			return err
-		}
-
-		if err = environ.Init(ctx); err != nil {
-			return err
-		}
-
-		exchange := session.Exchange
-
-		market, ok := session.Market(symbol)
-		if !ok {
-			return fmt.Errorf("market config %s not found", symbol)
-		}
-
 		// this is the default since
 		since := time.Now().AddDate(-1, 0, 0)
 
@@ -106,7 +75,34 @@ var PnLCmd = &cobra.Command{
 			return err
 		}
 
+		limit, err := cmd.Flags().GetUint64("limit")
+		if err != nil {
+			return err
+		}
+
+		environ := bbgo.NewEnvironment()
+
+		if err := environ.ConfigureDatabase(ctx); err != nil {
+			return err
+		}
+
+		if err := environ.ConfigureExchangeSessions(userConfig); err != nil {
+			return err
+		}
+
+		for _, sessionName := range sessionNames {
+			session, ok := environ.Session(sessionName)
+			if !ok {
+				return fmt.Errorf("session %s not found", sessionName)
+			}
+
+			if err := environ.SyncSession(ctx, session, symbol); err != nil {
+				return err
+			}
+
 			if includeTransfer {
+				exchange := session.Exchange
+				market, _ := session.Market(symbol)
 				transferService, ok := exchange.(types.ExchangeTransferService)
 				if !ok {
 					return fmt.Errorf("session exchange %s does not implement transfer service", sessionName)
@@ -135,6 +131,14 @@ var PnLCmd = &cobra.Command{
 					return err
 				}
 			}
+		}
+
+		if err = environ.Init(ctx); err != nil {
+			return err
+		}
+
+		session, _ := environ.Session(sessionNames[0])
+		exchange := session.Exchange
 
 		var trades []types.Trade
 		tradingFeeCurrency := exchange.PlatformFeeCurrency()
@@ -145,6 +149,8 @@ var PnLCmd = &cobra.Command{
 			trades, err = environ.TradeService.Query(service.QueryTradesOptions{
 				Symbol:   symbol,
 				Limit:    limit,
+				Sessions: sessionNames,
+				Since:    &since,
 			})
 		}
 

pkg/service/trade.go

@@ -20,12 +20,14 @@ var ErrTradeNotFound = errors.New("trade not found")
 
 type QueryTradesOptions struct {
 	Exchange types.ExchangeName
+	Sessions []string
 	Symbol   string
 	LastGID  int64
+	Since    *time.Time
 
 	// ASC or DESC
 	Ordering string
-	Limit    int
+	Limit    uint64
 }
 
 type TradingVolume struct {
@@ -295,13 +297,43 @@ func (s *TradeService) QueryForTradingFeeCurrency(ex types.ExchangeName, symbol
 }
 
 func (s *TradeService) Query(options QueryTradesOptions) ([]types.Trade, error) {
-	sql := queryTradesSQL(options)
-	args := map[string]interface{}{
-		"exchange": options.Exchange,
-		"symbol":   options.Symbol,
+	sel := sq.Select("*").
+		From("trades")
+
+	if options.Since != nil {
+		sel = sel.Where(sq.GtOrEq{"traded_at": options.Since})
 	}
 
-	rows, err := s.DB.NamedQuery(sql, args)
+	sel = sel.Where(sq.Eq{"symbol": options.Symbol})
+
+	if options.Exchange != "" {
+		sel = sel.Where(sq.Eq{"exchange": options.Exchange})
+	}
+
+	if len(options.Sessions) > 0 {
+		// FIXME: right now we only have the exchange field in the db, we might need to add the session field too.
+		sel = sel.Where(sq.Eq{"exchange": options.Sessions})
+	}
+
+	if options.Ordering != "" {
+		sel = sel.OrderBy("traded_at " + options.Ordering)
+	} else {
+		sel = sel.OrderBy("traded_at ASC")
+	}
+
+	if options.Limit > 0 {
+		sel = sel.Limit(options.Limit)
+	}
+
+	sql, args, err := sel.ToSql()
+	if err != nil {
+		return nil, err
+	}
+
+	log.Debug(sql)
+	log.Debug(args)
+
+	rows, err := s.DB.Queryx(sql, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -408,7 +440,7 @@ func queryTradesSQL(options QueryTradesOptions) string {
 	sql += ` ORDER BY gid ` + ordering
 
 	if options.Limit > 0 {
-		sql += ` LIMIT ` + strconv.Itoa(options.Limit)
+		sql += ` LIMIT ` + strconv.FormatUint(options.Limit, 10)
 	}
 
 	return sql

pkg/strategy/dca/strategy.go

@@ -92,7 +92,7 @@ func (s *Strategy) InstanceID() string {
 	return fmt.Sprintf("%s:%s", ID, s.Symbol)
 }
 
-func (s *Strategy) Run(ctx context.Context, session *bbgo.ExchangeSession) error {
+func (s *Strategy) Run(ctx context.Context, _ bbgo.OrderExecutor, session *bbgo.ExchangeSession) error {
 	if s.BudgetQuota.IsZero() {
 		s.BudgetQuota = s.Budget
 	}

pkg/strategy/rsmaker/strategy.go

@@ -402,7 +402,7 @@ func (s *Strategy) adjustOrderQuantity(submitOrder types.SubmitOrder) types.Subm
 	return submitOrder
 }
 
-func (s *Strategy) Run(ctx context.Context, session *bbgo.ExchangeSession) error {
+func (s *Strategy) Run(ctx context.Context, _ bbgo.OrderExecutor, session *bbgo.ExchangeSession) error {
 	instanceID := fmt.Sprintf("%s-%s", ID, s.Symbol)
 
 	s.status = types.StrategyStatusRunning