core, ui: message signing (#7115)

src/Simplex/Chat/Store/Postgres/Migrations/M20260707_file_digest.hs

@@ -0,0 +1,19 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Store.Postgres.Migrations.M20260707_file_digest where
+
+import Data.Text (Text)
+import Text.RawString.QQ (r)
+
+m20260707_file_digest :: Text
+m20260707_file_digest =
+  [r|
+ALTER TABLE files ADD COLUMN file_digest BYTEA;
+|]
+
+down_m20260707_file_digest :: Text
+down_m20260707_file_digest =
+  [r|
+ALTER TABLE files DROP COLUMN file_digest;
+|]

src/Simplex/Chat/Store/Postgres/Migrations/chat_schema.sql

@@ -758,7 +758,8 @@ CREATE TABLE test_chat_schema.files (
     redirect_file_id bigint,
     shared_msg_id bytea,
     file_type text DEFAULT 'normal'::text NOT NULL,
-    roster_transfer_id bigint
+    roster_transfer_id bigint,
+    file_digest bytea
 );
 
 
@@ -985,7 +986,7 @@ CREATE TABLE test_chat_schema.groups (
     public_member_count bigint,
     relay_request_retries bigint DEFAULT 0 NOT NULL,
     relay_request_delay bigint DEFAULT 0 NOT NULL,
-    relay_request_execute_at timestamp with time zone DEFAULT '1970-01-01 01:00:00+01'::timestamp with time zone NOT NULL,
+    relay_request_execute_at timestamp with time zone DEFAULT '1970-01-01 04:00:00+04'::timestamp with time zone NOT NULL,
     relay_inactive_at timestamp with time zone,
     relay_sent_web_domain text,
     roster_version bigint,