From 4c84a8d5721cec38801c762f7694626016ede4ac Mon Sep 17 00:00:00 2001
From: Upstream Data <brett@upstreamdata.ca>
Date: Sun, 13 Nov 2022 11:06:28 -0700
Subject: [PATCH] bug: ensure bosminer `check_light` backwards compatibility

---
 pyasic/miners/_backends/bosminer.py | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/pyasic/miners/_backends/bosminer.py b/pyasic/miners/_backends/bosminer.py
index b617de0e..f291a5c7 100644
--- a/pyasic/miners/_backends/bosminer.py
+++ b/pyasic/miners/_backends/bosminer.py
@@ -243,10 +243,24 @@ class BOSMiner(BaseMiner):
             await conn.run("/etc/init.d/bosminer start")
 
     async def check_light(self) -> bool:
+        if self.light:
+            return self.light
+        # get light through GraphQL
         url = f"http://{self.ip}/graphql"
         async with httpx.AsyncClient() as client:
-            d = (await client.post(url, json={"query": "{bos {faultLight}}"})).json()
-        return d["data"]["bos"]["faultLight"]
+            d = await client.post(url, json={"query": "{bos {faultLight}}"})
+        if d.status_code == 200:
+            self.light = d.json()["data"]["bos"]["faultLight"]
+            return self.light
+
+        # get light via ssh if that fails (10x slower)
+        data = (
+            await self.send_ssh_command("cat /sys/class/leds/'Red LED'/delay_off")
+        ).strip()
+        self.light = False
+        if data == "50":
+            self.light = True
+        return self.light
 
     async def get_errors(self) -> List[MinerErrorData]:
         tunerstatus = None