Add members and group_context getters to StagedWelcome (openmls#1666)

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Added
+
+- [#1666](https://github.com/openmls/openmls/pull/1666): Add `members()` and `group_context()` getter methods to `StagedWelcome`.
+
 ## 0.6.0 (2024-09-04)
 
 ### Added

openmls/src/group/mls_group/creation.rs

@@ -518,6 +518,16 @@ impl StagedWelcome {
             ))
     }
 
+    /// Get the [`GroupContext`] of this welcome's [`PublicGroup`].
+    pub fn group_context(&self) -> &GroupContext {
+        self.public_group.group_context()
+    }
+
+    /// Get an iterator over all [`Member`]s of this welcome's [`PublicGroup`].
+    pub fn members(&self) -> impl Iterator<Item = Member> + '_ {
+        self.public_group.members()
+    }
+
     /// Consumes the [`StagedWelcome`] and returns the respective [`MlsGroup`].
     pub fn into_group<Provider: OpenMlsProvider>(
         self,