Enable message-ids on to-device messages (#42)

CHANGELOG.md

@@ -1,5 +1,8 @@
 # UNRELEASED
 
+-   Attach message IDs to outgoing to-device messages, and log the IDs on
+    incoming messages.
+
 -   Improve logging output to include more information, including data that is
     attached to tracing spans. Remove the `tracing` feature: tracing support is
     now always included.

Cargo.toml

@@ -54,4 +54,4 @@ zeroize = "1.6.0"
 git = "https://github.com/matrix-org/matrix-rust-sdk"
 rev = "7c958498bfdb41652823bd8bce6a4b25d7c13a97"
 default_features = false
-features = ["js", "backups_v1", "automatic-room-key-forwarding"]
+features = ["js", "backups_v1", "automatic-room-key-forwarding", "message-ids"]

tests/machine.test.js

@@ -488,6 +488,8 @@ describe(OlmMachine.name, () => {
             expect(requests[0].id).toBeDefined();
             const content = JSON.parse(requests[0].body);
             expect(Object.keys(content.messages)).toEqual(["@example:localhost"]);
+            const messageContent = content.messages["@example:localhost"]["AFGUOBTZWM"];
+            expect(messageContent["org.matrix.msgid"]).toBeDefined();
 
             await m.markRequestAsSent(requests[0].id, RequestType.ToDevice, "{}");
             const requestsAfterMarkedAsSent = await m.shareRoomKey(room, other_users, new EncryptionSettings());