From c359be1355a32ae6742f8c27ed05b92d89e69f45 Mon Sep 17 00:00:00 2001
From: Naomi Plasterer <naomi@xmtp.com>
Date: Thu, 16 May 2024 12:06:40 -0700
Subject: [PATCH] write to storage on update

---
 openmls/src/group/errors.rs             | 2 ++
 openmls/src/group/mls_group/proposal.rs | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/openmls/src/group/errors.rs b/openmls/src/group/errors.rs
index 50e2e8317..5813434c2 100644
--- a/openmls/src/group/errors.rs
+++ b/openmls/src/group/errors.rs
@@ -519,6 +519,8 @@ pub enum CreateGroupContextExtProposalError<StorageError> {
     /// See [`CreateCommitError`] for more details.
     #[error(transparent)]
     CreateCommitError(#[from] CreateCommitError<StorageError>),
+    #[error("Error writing updated group data to storage.")]
+    StorageError(StorageError),
 }
 
 /// Error merging a commit.
diff --git a/openmls/src/group/mls_group/proposal.rs b/openmls/src/group/mls_group/proposal.rs
index b76a46bd3..be6df8e93 100644
--- a/openmls/src/group/mls_group/proposal.rs
+++ b/openmls/src/group/mls_group/proposal.rs
@@ -420,6 +420,11 @@ impl MlsGroup {
             create_commit_result.staged_commit,
         )));
 
+        provider
+            .storage()
+            .write_group_state(self.group_id(), &self.group_state)
+            .map_err(CreateGroupContextExtProposalError::StorageError)?;
+
         Ok((
             mls_messages,
             create_commit_result