Initial commit: ShadowBroker v0.1

backend/test_adsb.py

@@ -0,0 +1,59 @@
+import requests
+import time
+import math
+import random
+
+def test_fetch_and_triangulate():
+    t0 = time.time()
+    url = "https://api.adsb.lol/v2/lat/39.8/lon/-98.5/dist/1000"
+    try:
+        r = requests.get(url, timeout=10)
+        data = r.json()
+        print(f"Downloaded in {time.time() - t0:.2f}s")
+        if "ac" in data:
+            sampled = data["ac"]
+            print("Flights:", len(sampled))
+        else:
+            print("No 'ac' in response:", data)
+
+        
+        # Load airports (mock for test)
+        airports = [{"lat": random.uniform(-90, 90), "lng": random.uniform(-180, 180), "iata": f"A{i}"} for i in range(4000)]
+        
+        t1 = time.time()
+        for f in sampled:
+            lat = f.get("lat")
+            lng = f.get("lon")
+            heading = f.get("track", 0)
+            if lat is None or lng is None: continue
+            
+            # Project 15 degrees (~1000 miles) backwards and forwards
+            dist_deg = 15.0
+            h_rad = math.radians(heading)
+            dy = math.cos(h_rad) * dist_deg
+            dx = math.sin(h_rad) * dist_deg
+            cos_lat = max(0.2, math.cos(math.radians(lat)))
+            
+            origin_lat = lat - dy
+            origin_lng = lng - (dx / cos_lat)
+            
+            dest_lat = lat + dy
+            dest_lng = lng + (dx / cos_lat)
+            
+            # Find closest origin airport
+            best_o, min_o = None, float('inf')
+            for a in airports:
+                d = (a['lat'] - origin_lat)**2 + (a['lng'] - origin_lng)**2
+                if d < min_o: min_o = d; best_o = a
+                
+            # Find closest dest airport
+            best_d, min_d = None, float('inf')
+            for a in airports:
+                d = (a['lat'] - dest_lat)**2 + (a['lng'] - dest_lng)**2
+                if d < min_d: min_d = d; best_d = a
+                
+        print(f"Triangulated 500 flights against {len(airports)} airports in {time.time() - t1:.2f}s")
+    except Exception as e:
+        print("Error:", e)
+
+test_fetch_and_triangulate()