Fix: Seems that with POST messages without item_type, the content is not well set. I have applied a fix to allow modifying and set it.

Author: Andres D. Molins

src/aleph/schemas/pending_messages.py

@@ -112,7 +112,8 @@ class BasePendingMessage(AlephBaseMessage, Generic[MType, ContentType]):
 
     @model_validator(mode="before")
     def load_content(cls, values):
-        return base_pending_message_load_content(values)
+        values_copy = values.copy()
+        return base_pending_message_load_content(values_copy)
 
     @field_validator("time", mode="before")
     def check_time(cls, v, info):

src/aleph/web/controllers/accounts.py

@@ -4,7 +4,7 @@
 
 from aiohttp import web
 from aleph_message.models import MessageType
-from pydantic import ValidationError
+from pydantic import ValidationError, TypeAdapter
 
 import aleph.toolkit.json as aleph_json
 from aleph.db.accessors.balances import (
@@ -151,13 +151,11 @@ async def get_account_files(request: web.Request) -> web.Response:
         if not file_pins:
             raise web.HTTPNotFound()
 
+        adapter = TypeAdapter(list[GetAccountFilesResponseItem])
         response = GetAccountFilesResponse(
             address=address,
             total_size=total_size,
-            files=[
-                GetAccountFilesResponseItem.model_validate(dict(file_pin))
-                for file_pin in file_pins
-            ],
+            files=adapter.validate_python(file_pins),
             pagination_page=query_params.page,
             pagination_total=nb_files,
             pagination_per_page=query_params.pagination,