modified: README.md

modified:   client/main.py
	modified:   database/initdb.py
	new file:   node/main.py
	modified:   server/main.py
	modified:   server/xiaomiandns.py

database/initdb.py

@@ -5,9 +5,11 @@ if __name__ == '__main__':
     conn = sqlite3.connect(db_file)
     cursor = conn.cursor()
     try:
-        cursor.execute('''CREATE TABLE xiaomiandns(domain TEXT PRIMARY KEY, ip TEXT, pubkey TEXT)''')
+        cursor.execute(
+            '''CREATE TABLE xiaomiandns(domain TEXT PRIMARY KEY, ip TEXT, pubkey TEXT, nodetype TEXT,timestamp DATETIME)''')
+        # node type contain 3 types: client, node, server
     except sqlite3.OperationalError:
         print("table xiaomiandns already exists")
     conn.commit()
     cursor.close()
-    conn.close()
+    conn.close()