From 90020a65a4c0d707264b4b542c8a272393785e3b Mon Sep 17 00:00:00 2001
From: Andy Cheng <andy.cheng@richsoda.com>
Date: Tue, 2 Jan 2024 16:56:38 +0800
Subject: [PATCH] improve/sync-futures: do not use GetSessionAttributes()

---
 pkg/backtest/exchange.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkg/backtest/exchange.go b/pkg/backtest/exchange.go
index 183b41c39..b0600d54f 100644
--- a/pkg/backtest/exchange.go
+++ b/pkg/backtest/exchange.go
@@ -30,7 +30,6 @@ package backtest
 import (
 	"context"
 	"fmt"
-	exchange2 "github.com/c9s/bbgo/pkg/exchange"
 	"strconv"
 	"sync"
 	"time"
@@ -382,7 +381,14 @@ func (e *Exchange) SubscribeMarketData(
 		intervals = append(intervals, interval)
 	}
 
-	_, isFutures, _, _ := exchange2.GetSessionAttributes(e.publicExchange)
+	//_, isFutures, _, _ := exchange2.GetSessionAttributes(e.publicExchange)
+	var isFutures bool
+	if futuresExchange, ok := e.publicExchange.(types.FuturesExchange); ok {
+		isFutures = futuresExchange.GetFuturesSettings().IsFutures
+	} else {
+		isFutures = false
+	}
+
 	if isFutures {
 		log.Infof("querying futures klines from database with exchange: %v symbols: %v and intervals: %v for back-testing", e.Name(), symbols, intervals)
 	} else {