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update_required_capabilities_for_bootstrap

xmtp_mls::groups

Function update_required_capabilities_for_bootstrap 

Source 
pub fn update_required_capabilities_for_bootstrap(
    extensions: &mut Extensions<GroupContext>,
) -> Result<(), GroupError>
Expand description

Update RequiredCapabilities for the bootstrap commit:

  • Add ExtensionType::AppDataDictionary to the required extension types so receivers MUST advertise support for the standard AppData dictionary group-context extension.
  • Remove the four legacy XMTP extension types (MUTABLE_METADATA, GROUP_PERMISSIONS, GROUP_MEMBERSHIP, ImmutableMetadata) since the bootstrap commit also removes those extensions from the group context.

Per MLS RFC 9420 ยง7.2, every extension present in the group context must also be in required_capabilities.extension_types, so the two changes have to land together.