diff --git a/driver/database/dbchat.py b/driver/database/dbchat.py
new file mode 100644
index 0000000..1b881c5
--- /dev/null
+++ b/driver/database/dbchat.py
@@ -0,0 +1,38 @@
+""" chat database """
+
+from typing import Dict, List, Union
+
+from driver.database.dblocal import db
+
+chatsdb = db.chats
+
+
+async def get_served_chats() -> list:
+    chats = chatsdb.find({"chat_id": {"$lt": 0}})
+    if not chats:
+        return []
+    chats_list = []
+    for chat in await chats.to_list(length=1000000000):
+        chats_list.append(chat)
+    return chats_list
+
+
+async def is_served_chat(chat_id: int) -> bool:
+    chat = await chatsdb.find_one({"chat_id": chat_id})
+    if not chat:
+        return False
+    return True
+
+
+async def add_served_chat(chat_id: int):
+    is_served = await is_served_chat(chat_id)
+    if is_served:
+        return
+    return await chatsdb.insert_one({"chat_id": chat_id})
+
+
+async def remove_served_chat(chat_id: int):
+    is_served = await is_served_chat(chat_id)
+    if not is_served:
+        return
+    return await chatsdb.delete_one({"chat_id": chat_id})
diff --git a/driver/database/dblocal.py b/driver/database/dblocal.py
new file mode 100644
index 0000000..c1e4d9f
--- /dev/null
+++ b/driver/database/dblocal.py
@@ -0,0 +1,8 @@
+""" mongo database """
+
+from motor.motor_asyncio import AsyncIOMotorClient as Bot
+from config import MONGO_DB_URI as tmo
+
+
+MONGODB_CLI = Bot(tmo)
+db = MONGODB_CLI.program
diff --git a/driver/database/dbpunish.py b/driver/database/dbpunish.py
new file mode 100644
index 0000000..029fe1c
--- /dev/null
+++ b/driver/database/dbpunish.py
@@ -0,0 +1,32 @@
+from typing import Dict, List, Union
+
+from driver.database.dblocal import db
+
+gbansdb = db.gban
+
+
+async def get_gbans_count() -> int:
+    users = gbansdb.find({"user_id": {"$gt": 0}})
+    users = await users.to_list(length=100000)
+    return len(users)
+
+
+async def is_gbanned_user(user_id: int) -> bool:
+    user = await gbansdb.find_one({"user_id": user_id})
+    if not user:
+        return False
+    return True
+
+
+async def add_gban_user(user_id: int):
+    is_gbanned = await is_gbanned_user(user_id)
+    if is_gbanned:
+        return
+    return await gbansdb.insert_one({"user_id": user_id})
+
+
+async def remove_gban_user(user_id: int):
+    is_gbanned = await is_gbanned_user(user_id)
+    if not is_gbanned:
+        return
+    return await gbansdb.delete_one({"user_id": user_id})