Finalize the finance cache puller

database.py

@@ -0,0 +1,27 @@
+import sqlite3
+
+class DataBase:
+
+    def __init__(self):
+        # Initilize SqLite
+        self.conn = sqlite3.connect("./data/appdata.db")
+        self.cursor = self.conn.cursor()
+
+        # Create keystore table if it doesnt exist already
+        self.cursor.execute('''
+        CREATE TABLE IF NOT EXISTS keystore (
+            key TEXT PRIMARY KEY,
+            value TEXT
+        )
+        ''')
+
+    # Set a key in the keystore
+    def SetKey(self, Key, Value):
+        self.cursor.execute('INSERT OR REPLACE INTO keystore (key, value) VALUES (?, ?)', (Key, Value))
+        self.conn.commit()
+
+    # Get a key from the keystore
+    def GetKey(self, Key):
+        self.cursor.execute('SELECT value FROM keystore WHERE key = ?', (Key, ))
+        result = self.cursor.fetchone()
+        return result[0] if result else None