add completed submitters and documents

app/controllers/api/tools_controller.rb

@@ -20,10 +20,7 @@ module Api
       pdf = HexaPDF::Document.new(io: StringIO.new(file))
 
       trusted_certs = Accounts.load_trusted_certs(current_account)
-
-      is_checksum_found = ActiveStorage::Attachment.joins(:blob)
-                                                   .where(name: 'documents', record_type: 'Submitter')
-                                                   .exists?(blob: { checksum: Digest::MD5.base64digest(file) })
+      is_checksum_found = CompletedDocument.exists?(sha256: Base64.urlsafe_encode64(Digest::SHA256.digest(file)))
 
       render json: {
         checksum_status: is_checksum_found ? 'verified' : 'not_found',