RiskManager

- add isHalted

risk_manager.go

@@ -8,6 +8,7 @@ type RiskManager interface {
 	GetPnL() (float64, float64)
 	GetWinStreak() uint
 	GetLoseStreak() uint
+	isHalted() bool
 
 	GetOrderSize(symbol string, bid float64) float64
 	UpdatePositions() error