core: signed history in channels, auto-sign based on preference (#7257)

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

@@ -43,6 +43,7 @@ import Simplex.Chat.Store.Postgres.Migrations.M20260629_roster_catchup
 import Simplex.Chat.Store.Postgres.Migrations.M20260707_file_digest
 import Simplex.Chat.Store.Postgres.Migrations.M20260714_member_security_code
 import Simplex.Chat.Store.Postgres.Migrations.M20260715_profile_description
+import Simplex.Chat.Store.Postgres.Migrations.M20260716_signed_history
 import Simplex.Messaging.Agent.Store.Shared (Migration (..))
 
 schemaMigrations :: [(String, Text, Maybe Text)]
@@ -85,7 +86,8 @@ schemaMigrations =
     ("20260629_roster_catchup", m20260629_roster_catchup, Just down_m20260629_roster_catchup),
     ("20260707_file_digest", m20260707_file_digest, Just down_m20260707_file_digest),
     ("20260714_member_security_code", m20260714_member_security_code, Just down_m20260714_member_security_code),
-    ("20260715_profile_description", m20260715_profile_description, Just down_m20260715_profile_description)
+    ("20260715_profile_description", m20260715_profile_description, Just down_m20260715_profile_description),
+    ("20260716_signed_history", m20260716_signed_history, Just down_m20260716_signed_history)
   ]
 
 -- | The list of migrations in ascending order by date

src/Simplex/Chat/Store/Postgres/Migrations/M20260716_signed_history.hs

@@ -0,0 +1,29 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Store.Postgres.Migrations.M20260716_signed_history where
+
+import Data.Text (Text)
+import Text.RawString.QQ (r)
+
+m20260716_signed_history :: Text
+m20260716_signed_history =
+  [r|
+ALTER TABLE chat_items ADD COLUMN item_msg_body BYTEA;
+ALTER TABLE chat_items ADD COLUMN item_chat_binding TEXT;
+ALTER TABLE chat_items ADD COLUMN item_signatures BYTEA;
+ALTER TABLE chat_items ADD COLUMN item_signed_by_group_member_id BIGINT REFERENCES group_members ON DELETE SET NULL;
+
+CREATE INDEX idx_chat_items_item_signed_by_group_member_id ON chat_items(item_signed_by_group_member_id);
+|]
+
+down_m20260716_signed_history :: Text
+down_m20260716_signed_history =
+  [r|
+DROP INDEX idx_chat_items_item_signed_by_group_member_id;
+
+ALTER TABLE chat_items DROP COLUMN item_msg_body;
+ALTER TABLE chat_items DROP COLUMN item_chat_binding;
+ALTER TABLE chat_items DROP COLUMN item_signatures;
+ALTER TABLE chat_items DROP COLUMN item_signed_by_group_member_id;
+|]

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

@@ -345,7 +345,11 @@ CREATE TABLE test_chat_schema.chat_items (
     show_group_as_sender smallint DEFAULT 0 NOT NULL,
     has_link smallint DEFAULT 0 NOT NULL,
     msg_signed text,
-    item_viewed smallint DEFAULT 0 NOT NULL
+    item_viewed smallint DEFAULT 0 NOT NULL,
+    item_msg_body bytea,
+    item_chat_binding text,
+    item_signatures bytea,
+    item_signed_by_group_member_id bigint
 );
 
 
@@ -989,7 +993,7 @@ 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,
@@ -2081,6 +2085,10 @@ CREATE INDEX idx_chat_items_item_deleted_by_group_member_id ON test_chat_schema.
 
 
 
+CREATE INDEX idx_chat_items_item_signed_by_group_member_id ON test_chat_schema.chat_items USING btree (item_signed_by_group_member_id);
+
+
+
 CREATE INDEX idx_chat_items_item_status ON test_chat_schema.chat_items USING btree (item_status);
 
 
@@ -2766,6 +2774,11 @@ ALTER TABLE ONLY test_chat_schema.chat_items
 
 
 
+ALTER TABLE ONLY test_chat_schema.chat_items
+    ADD CONSTRAINT chat_items_item_signed_by_group_member_id_fkey FOREIGN KEY (item_signed_by_group_member_id) REFERENCES test_chat_schema.group_members(group_member_id) ON DELETE SET NULL;
+
+
+
 ALTER TABLE ONLY test_chat_schema.chat_items
     ADD CONSTRAINT chat_items_user_id_fkey FOREIGN KEY (user_id) REFERENCES test_chat_schema.users(user_id) ON DELETE CASCADE;