add fault light command to X19 miners

miners/antminer/bmminer/X19/S19a.py

@@ -1,6 +1,9 @@
 from miners._backends import BMMiner  # noqa - Ignore access to _module
 from miners._types import S19a  # noqa - Ignore access to _module
 
+import httpx
+import json
+
 
 class BMMinerS19a(BMMiner, S19a):
     def __init__(self, ip: str) -> None:
@@ -9,3 +12,25 @@ class BMMinerS19a(BMMiner, S19a):
 
     async def get_hostname(self) -> str:
         return "?"
+
+    async def fault_light_on(self) -> bool:
+        url = f"http://{self.ip}/cgi-bin/blink.cgi"
+        auth = httpx.DigestAuth("root", "root")
+        data = json.dumps({"blink": "true"})
+        async with httpx.AsyncClient() as client:
+            data = await client.post(url, data=data, auth=auth)
+        data = data.json()
+        if data.get("code") == "B000":
+            return True
+        return False
+
+    async def fault_light_off(self) -> bool:
+        url = f"http://{self.ip}/cgi-bin/blink.cgi"
+        auth = httpx.DigestAuth("root", "root")
+        data = json.dumps({"blink": "false"})
+        async with httpx.AsyncClient() as client:
+            data = await client.post(url, data=data, auth=auth)
+        data = data.json()
+        if data.get("code") == "B100":
+            return True
+        return False