cmd: add marginInterestsCmd

pkg/cmd/margin.go

@@ -24,6 +24,10 @@ func init() {
 	marginRepaysCmd.Flags().String("session", "", "exchange session name")
 	marginCmd.AddCommand(marginRepaysCmd)
 
+	marginInterestsCmd.Flags().String("asset", "", "asset")
+	marginInterestsCmd.Flags().String("session", "", "exchange session name")
+	marginCmd.AddCommand(marginInterestsCmd)
+
 	RootCmd.AddCommand(marginCmd)
 }
 
@@ -77,7 +81,7 @@ var marginLoansCmd = &cobra.Command{
 
 		asset, err := cmd.Flags().GetString("asset")
 		if err != nil {
-			return fmt.Errorf("can't get the symbol from flags: %w", err)
+			return err
 		}
 
 		if selectedSession == nil {
@@ -114,6 +118,45 @@ var marginRepaysCmd = &cobra.Command{
 	RunE: func(cmd *cobra.Command, args []string) error {
 		ctx := context.Background()
 
+		asset, err := cmd.Flags().GetString("asset")
+		if err != nil {
+			return err
+		}
+
+		if selectedSession == nil {
+			return errors.New("session is not set")
+		}
+
+		marginHistoryService, ok := selectedSession.Exchange.(types.MarginHistory)
+		if !ok {
+			return fmt.Errorf("exchange %s does not support MarginHistory service", selectedSession.ExchangeName)
+		}
+
+		now := time.Now()
+		startTime := now.AddDate(0, -5, 0)
+		endTime := now
+		repays, err := marginHistoryService.QueryLoanHistory(ctx, asset, &startTime, &endTime)
+		if err != nil {
+			return err
+		}
+
+		log.Infof("%d repays", len(repays))
+		for _, repay := range repays {
+			log.Infof("REPAY %+v", repay)
+		}
+
+		return nil
+	},
+}
+
+// go run ./cmd/bbgo margin interests --session=binance
+var marginInterestsCmd = &cobra.Command{
+	Use:          "interests --session=SESSION_NAME --asset=ASSET",
+	Short:        "query interests history",
+	SilenceUsage: true,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		ctx := context.Background()
+
 		asset, err := cmd.Flags().GetString("asset")
 		if err != nil {
 			return fmt.Errorf("can't get the symbol from flags: %w", err)
@@ -131,14 +174,14 @@ var marginRepaysCmd = &cobra.Command{
 		now := time.Now()
 		startTime := now.AddDate(0, -5, 0)
 		endTime := now
-		loans, err := marginHistoryService.QueryLoanHistory(ctx, asset, &startTime, &endTime)
+		interests, err := marginHistoryService.QueryInterestHistory(ctx, asset, &startTime, &endTime)
 		if err != nil {
 			return err
 		}
 
-		log.Infof("%d loans", len(loans))
-		for _, loan := range loans {
-			log.Infof("LOAN %+v", loan)
+		log.Infof("%d interests", len(interests))
+		for _, interest := range interests {
+			log.Infof("INTEREST %+v", interest)
 		}
 
 		return nil

pkg/exchange/binance/margin_history.go

@@ -132,9 +132,23 @@ func (e *Exchange) QueryLiquidationHistory(ctx context.Context, startTime, endTi
 func (e *Exchange) QueryInterestHistory(ctx context.Context, asset string, startTime, endTime *time.Time) ([]types.MarginInterest, error) {
 	req := e.client2.NewGetMarginInterestHistoryRequest()
 	req.Asset(asset)
+	req.Size(100)
 
 	if startTime != nil {
 		req.StartTime(*startTime)
+
+		// 6 months
+		if time.Since(*startTime) > time.Hour*24*30*6 {
+			req.Archived(true)
+		}
+	}
+
+	if startTime != nil && endTime != nil {
+		duration := endTime.Sub(*startTime)
+		if duration > time.Hour*24*30 {
+			t := startTime.Add(time.Hour * 24 * 30)
+			endTime = &t
+		}
 	}
 
 	if endTime != nil {
@@ -145,6 +159,27 @@ func (e *Exchange) QueryInterestHistory(ctx context.Context, asset string, start
 		req.IsolatedSymbol(e.MarginSettings.IsolatedMarginSymbol)
 	}
 
-	_, err := req.Do(ctx)
+	records, err := req.Do(ctx)
+	if err != nil {
 		return nil, err
+	}
+
+	var interests []types.MarginInterest
+	for _, record := range records {
+		interests = append(interests, toGlobalInterest(record))
+	}
+
+	return interests, err
+}
+
+func toGlobalInterest(record binanceapi.MarginInterest) types.MarginInterest {
+	return types.MarginInterest{
+		Asset:          record.Asset,
+		Principle:      record.Principal,
+		Interest:       record.Interest,
+		InterestRate:   record.InterestRate,
+		IsolatedSymbol: record.IsolatedSymbol,
+		Time:           types.Time(record.InterestAccuredTime),
+	}
+
 }