Add a comment clarifying why we conclude Unknown for an historical me…

…ssage. Co-authored-by: Richard van der Hoff <[email protected]> Signed-off-by: Andy Balaam <[email protected]>
matrix-org · Dec 11, 2024 · c8658d0 · c8658d0
1 parent 1a5c9f6
commit c8658d0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/crates/matrix-sdk-crypto/src/types/events/utd_cause.rs b/crates/matrix-sdk-crypto/src/types/events/utd_cause.rs
@@ -220,6 +220,8 @@ impl UtdCause {
             if crypto_context_info.is_backup_configured
                 || crypto_context_info.this_device_is_verified
             {
+                // Either backup download is working but we still don't have the key, or backup download
+                // *isn't* working despite being verified. In either case, we shrug and give an `Unknown` cause.
                 UtdCause::Unknown
             } else {
                 UtdCause::HistoricalMessageAndDeviceIsUnverified