Update schema to use added_by_address

xmtp_mls/migrations/2024-04-08-180113_group_added_by_address/down.sql

@@ -0,0 +1,9 @@
+-- As SQLite does not support ALTER, we play this game of move, repopulate, drop.    Here we recreate without the 'added_by_address' column.
+BEGIN TRANSACTION;
+CREATE TEMPORARY TABLE backup_group(id BLOB PRIMARY KEY NOT NULL, created_at_ns BIGINT NOT NULL, membership_state INT NOT NULL, installations_last_checked BIGINT NOT NULL, purpose INT NOT NULL DEFAULT 1);
+INSERT INTO backup_group SELECT id, created_at_ns, membership_state, installations_last_checked, pupose FROM groups;
+DROP TABLE groups;
+CREATE TABLE groups(id BLOB PRIMARY KEY NOT NULL, created_at_ns BIGINT NOT NULL, membership_state INT NOT NULL, installations_last_checked BIGINT NOT NULL, purpose INT NOT NULL DEFAULT 1);
+INSERT INTO groups SELECT id, created_at_ns, membership_state, installations_last_checked, purpose FROM backup_group;
+DROP TABLE backup_group;
+COMMIT;

xmtp_mls/migrations/2024-04-08-180113_group_added_by_address/up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE groups
+ADD COLUMN added_by_address TEXT

xmtp_mls/src/storage/encrypted_store/group.rs

@@ -34,6 +34,8 @@ pub struct StoredGroup {
     pub installations_last_checked: i64,
     /// Enum, [`Purpose`] signifies the group purpose which extends to who can access it.
     pub purpose: Purpose,
+    /// String representing the wallet address of the who added the user to a group.
+    pub added_by_address: Option<String>,
 }
 
 impl_fetch!(StoredGroup, groups, Vec<u8>);
@@ -48,6 +50,7 @@ impl StoredGroup {
             membership_state,
             installations_last_checked: 0,
             purpose: Purpose::Conversation,
+            added_by_address: None,
         }
     }
 
@@ -63,6 +66,7 @@ impl StoredGroup {
             membership_state,
             installations_last_checked: 0,
             purpose: Purpose::Sync,
+            added_by_address: None,
         }
     }
 }

xmtp_mls/src/storage/encrypted_store/schema.rs

@@ -33,6 +33,7 @@ diesel::table! {
         membership_state -> Integer,
         installations_last_checked -> BigInt,
         purpose -> Integer,
+        added_by_address -> Nullable<Text>,
     }
 }