add caching, remove nodes (only show peers on map)

xmrnodes/helpers.py

@@ -1,10 +1,14 @@
 import sys
 import socket
+import pickle
+from os import path
+
+from requests import get as r_get
 from levin.section import Section
 from levin.bucket import Bucket
 from levin.ctypes import *
 from levin.constants import LEVIN_SIGNATURE
-from requests import get as r_get
+
 from xmrnodes import config
 
 
@@ -54,6 +58,18 @@ def is_onion(url: str):
     else:
         return False
 
+# Use hacky filesystem cache since i dont feel like shipping redis
+def rw_cache(key_name, data=None):
+    pickle_file = path.join(config.DATA_DIR, f'{key_name}.pkl')
+    if data:
+        with open(pickle_file, 'wb') as f:
+            f.write(pickle.dumps(data))
+            return data
+    else:
+        with open(pickle_file, 'rb') as f:
+            pickled_data = pickle.load(f)
+            return pickled_data
+
 def retrieve_peers(host, port):
     try:
         print(f'[.] Connecting to {host}:{port}')