From 6919055e3039a369d6c033550c439d07dfd7caf0 Mon Sep 17 00:00:00 2001
From: Vladyslav Burzakovskyy <vladislav.burzakovskij@satoshilabs.com>
Date: Tue, 7 Jan 2020 14:30:21 +0100
Subject: [PATCH] balanceHistory: sanitize the groupBy parameter in websocket
 API

---
 server/websocket.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/server/websocket.go b/server/websocket.go
index 9f31ebc5..d9114919 100644
--- a/server/websocket.go
+++ b/server/websocket.go
@@ -280,6 +280,9 @@ var requestHandlers = map[string]func(*WebsocketServer, *websocketChannel, *webs
 					return
 				}
 			}
+			if r.GroupBy <= 0 {
+				r.GroupBy = 3600
+			}
 			rv, err = s.api.GetXpubBalanceHistory(r.Descriptor, fromTime, toTime, r.Fiat, r.Gap, r.GroupBy)
 			if err != nil {
 				rv, err = s.api.GetBalanceHistory(r.Descriptor, fromTime, toTime, r.Fiat, r.GroupBy)