Better log for "file not in db"

Author: SpyCheese

validator/db/archive-manager.cpp

@@ -269,7 +269,7 @@ void ArchiveManager::get_temp_file_short_cont(FileReference ref_id, PackageId id
                                               td::Promise<td::BufferSlice> promise) {
   auto f = get_temp_file_desc_by_idx(idx);
   if (!f) {
-    promise.set_error(td::Status::Error(ErrorCode::notready, "file not in db"));
+    promise.set_error(td::Status::Error(ErrorCode::notready, PSTRING() << "file not in db: " << ref_id.filename()));
     return;
   }
   auto P = td::PromiseCreator::lambda([SelfId = actor_id(this), ref_id, idx = get_prev_temp_file_desc_idx(idx),

validator/db/archive-slice.cpp

@@ -385,7 +385,8 @@ void ArchiveSlice::get_file(ConstBlockHandle handle, FileReference ref_id, td::P
   auto R = kv_->get(ref_id.hash().to_hex(), value);
   R.ensure();
   if (R.move_as_ok() == td::KeyValue::GetStatus::NotFound) {
-    promise.set_error(td::Status::Error(ErrorCode::notready, "file not in archive slice"));
+    promise.set_error(td::Status::Error(
+        ErrorCode::notready, PSTRING() << "file " << ref_id.filename() << " not in archive slice " << get_name()));
     return;
   }
   auto offset = td::to_integer<td::uint64>(value);