diff --git a/auth/identity.py b/auth/identity.py
index f6310469..c2526863 100644
--- a/auth/identity.py
+++ b/auth/identity.py
@@ -1,24 +1,27 @@
 from jwt import DecodeError, ExpiredSignatureError
+from passlib.hash import bcrypt
 from sqlalchemy import or_
 
 from auth.jwtcodec import JWTCodec
 from auth.tokenstorage import TokenStorage
-from validations.auth import AuthInput
-from base.exceptions import InvalidPassword
-from base.exceptions import InvalidToken
+from base.exceptions import InvalidPassword, InvalidToken
 from base.orm import local_session
 from orm import User
-from passlib.hash import bcrypt
+from validations.auth import AuthInput
 
 
 class Password:
     @staticmethod
     def encode(password: str) -> str:
+
+        # TODO: sha256 -> hexdigest -> bcrypt
         return bcrypt.hash(password)
 
     @staticmethod
-    def verify(password: str, other: str) -> bool:
-        return bcrypt.verify(password, other)
+    def verify(password: str, hashed: str) -> bool:
+        # TODO: detect rounds amount
+        # TODO: sha256 -> hexdigest -> bcrypt
+        return bcrypt.verify(password, hashed)
 
 
 class Identity:
diff --git a/migration/tables/users.py b/migration/tables/users.py
index 811ffce0..982f3abc 100644
--- a/migration/tables/users.py
+++ b/migration/tables/users.py
@@ -3,7 +3,7 @@ from sqlalchemy.exc import IntegrityError
 
 from base.orm import local_session
 from migration.html2text import html2text
-from orm.user import User, UserRating, AuthorFollower
+from orm.user import AuthorFollower, User, UserRating
 
 
 def migrate(entry):
@@ -16,7 +16,6 @@ def migrate(entry):
         "ratings": [],
         "username": email,
         "email": email,
-        "password": entry["services"]["password"].get("bcrypt", ""),
         "createdAt": parse(entry["createdAt"]),
         "emailConfirmed": bool(entry["emails"][0]["verified"]),
         "muted": False,  # amnesty
@@ -25,6 +24,7 @@ def migrate(entry):
         "links": [],
         "name": "anonymous",
     }
+    user_dict["password"] = entry["services"]["password"].get("bcrypt")
     if "updatedAt" in entry:
         user_dict["updatedAt"] = parse(entry["updatedAt"])
     if "wasOnineAt" in entry:
diff --git a/resolvers/inbox.py b/resolvers/inbox.py
index b6e7d210..64063d54 100644
--- a/resolvers/inbox.py
+++ b/resolvers/inbox.py
@@ -107,7 +107,7 @@ async def create_chat(_, info, title="", members=[]):
     }
 
 
-async def load_messages(chatId: int, offset: int, amount: int):
+async def load_messages(chatId: str, offset: int, amount: int):
     messages = []
     message_ids = await redis.lrange(
         f"chats/{chatId}/message_ids", 0 - offset - amount, 0 - offset
diff --git a/schema.graphql b/schema.graphql
index dce30611..a4a42f2b 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -197,8 +197,8 @@ type Mutation {
 
 type Query {
   # inbox
-  myChats: [Chat]!
-  loadChat(chatId: String!, offset: Int, amount: Int): [Message]!
+  myChats: Result!
+  loadChat(chatId: String!, offset: Int, amount: Int): Result!
 
   # auth
   isEmailUsed(email: String!): Boolean!
@@ -487,7 +487,7 @@ type Message {
 }
 
 type Chat {
-  id: Int!
+  id: String!
   createdAt: Int!
   createdBy: User!
   updatedAt: Int!
diff --git a/server.py b/server.py
index 1e8502e1..7f92c3c9 100644
--- a/server.py
+++ b/server.py
@@ -1,5 +1,7 @@
 import sys
+
 import uvicorn
+
 from settings import PORT
 
 if __name__ == "__main__":