add balance to user signup

routes/auth.py

@@ -22,7 +22,8 @@ def signup():
         first_name=body["first_name"],
         last_name=body["last_name"],
         email=body["email"],
-        hashed_password=hashed_password)
+        hashed_password=hashed_password,
+        balance=5000000000)
     u.store()
     return jsonify({"token": generate_jwt(u.get_id()), "type": "Bearer"})
 
@@ -33,6 +34,8 @@ def login():
     email = body["email"]
     password = body["password"]
     u = User.find_by_username(email=email)
+    if u is None:
+        jsonify({"Error": "Email or password is not matched"}), 401
     if u.compare_password(password):
         return jsonify({"token": generate_jwt(u.get_id()), "type": "Bearer"})
     return jsonify({"Error": "Email or password is not matched"}), 401