Fix unstable-pre-spec for federation membership join

Cargo.toml

@@ -23,9 +23,10 @@ thiserror = "1.0.20"
 tracing-subscriber = "0.2.11"
 
 [dependencies.ruma]
-git = "https://github.com/ruma/ruma"
-rev = "8049631827ab8557cb1010d195dd6468f90effa8"
-features = ["client-api", "federation-api", "appservice-api"]
+# git = "https://github.com/ruma/ruma"
+path = "../__forks__/ruma/ruma"
+# rev = "64b9c646d15a359d62ab464a95176ff94adb2554"
+features = ["client-api", "federation-api", "appservice-api", "unstable-pre-spec", "unstable-synapse-quirks"]
 
 #[dependencies.ruma]
 #path = "../ruma/ruma"

src/state_event.rs

@@ -125,7 +125,12 @@ impl StateEvent {
             Self::Full(ev) => match ev {
                 Pdu::RoomV1Pdu(ev) => ev.event_id.clone(),
                 Pdu::RoomV3Pdu(ev) => {
-                    let value = serde_json::to_value(ev).expect("all ruma pdus are json values");
+                    let mut value = serde_json::from_slice::<BTreeMap<_, _>>(
+                        &serde_json::to_vec(ev).expect("all ruma pdus are json values"),
+                    )
+                    .unwrap();
+                    value.remove("event_id");
+
                     EventId::try_from(&*format!(
                         "${}",
                         ruma::signatures::reference_hash(&value, &self.room_version())
@@ -195,7 +200,8 @@ impl StateEvent {
                 PduStub::RoomV1PduStub(ev) => ev.state_key.clone(),
                 PduStub::RoomV3PduStub(ev) => ev.state_key.clone(),
             },
-        }.expect("All state events have a state key")
+        }
+        .expect("All state events have a state key")
     }
 
     #[cfg(not(feature = "unstable-pre-spec"))]

src/state_store.rs

@@ -31,7 +31,7 @@ pub trait StateStore {
 
             result.push(ev_id.clone());
 
-            let event = self.get_event(room_id, &ev_id).unwrap();
+            let event = self.get_event(room_id, &ev_id)?;
 
             stack.extend(event.auth_events());
         }