Fix a bug where some NaN values could leak into the JSON output, causing it to be invalid. Created a new safe_json_dumps method since we would otherwise now be providing multiple parameters all over the code

server/handlers/api/options.py

@@ -1,4 +1,3 @@
-import json
 from datetime import datetime
 from typing import Any
 
@@ -10,7 +9,7 @@ from tornado.web import Application
 from core.config import MAX_SPOT_AGE, ALLOW_SPOTTING
 from core.constants import BANDS, ALL_MODES, MODE_TYPES, SIGS, CONTINENTS, PROPAGATION_MODES
 from core.prometheus_metrics_handler import api_requests_counter
-from core.utils import serialize_everything
+from core.utils import safe_json_dumps
 
 
 class APIOptionsHandler(tornado.web.RequestHandler):
@@ -50,7 +49,7 @@ class APIOptionsHandler(tornado.web.RequestHandler):
         if ALLOW_SPOTTING:
             options["spot_sources"].append("API")
 
-        self.write(json.dumps(options, default=serialize_everything))
+        self.write(safe_json_dumps(options))
         self.set_status(200)
         self.set_header("Cache-Control", "no-store")
         self.set_header("Content-Type", "application/json")