fix: remove warnings

src/client_server/account.rs

@@ -18,7 +18,7 @@ use ruma::{
     events::{
         room::member::{MembershipState, RoomMemberEventContent},
         room::message::RoomMessageEventContent,
-        GlobalAccountDataEventType, RoomAccountDataEventType, RoomEventType,
+        GlobalAccountDataEventType, RoomEventType,
     },
     push, UserId,
 };

src/client_server/context.rs

@@ -1,7 +1,7 @@
 use crate::{database::DatabaseGuard, Error, Result, Ruma};
 use ruma::{
     api::client::{context::get_context, error::ErrorKind, filter::LazyLoadOptions},
-    events::{EventType, StateEventType},
+    events::StateEventType,
 };
 use std::{collections::HashSet, convert::TryFrom};
 use tracing::error;

src/client_server/membership.rs

@@ -828,14 +828,6 @@ pub(crate) async fn invite_helper<'a>(
                 })
                 .transpose()?;
 
-            let create_prev_event = if prev_events.len() == 1
-                && Some(&prev_events[0]) == create_event.as_ref().map(|c| &c.event_id)
-            {
-                create_event
-            } else {
-                None
-            };
-
             // If there was no create event yet, assume we are creating a version 6 room right now
             let room_version_id = create_event_content
                 .map_or(RoomVersionId::V6, |create_event| create_event.room_version);

src/client_server/push.rs

@@ -8,9 +8,7 @@ use ruma::{
             set_pushrule_enabled, RuleKind,
         },
     },
-    events::{
+    events::{push_rules::PushRulesEvent, GlobalAccountDataEventType},
-        push_rules::PushRulesEvent, EventType, GlobalAccountDataEventType, RoomAccountDataEventType,
-    },
     push::{ConditionalPushRuleInit, PatternedPushRuleInit, SimplePushRuleInit},
 };
 

src/client_server/state.rs

@@ -13,7 +13,7 @@ use ruma::{
             canonical_alias::RoomCanonicalAliasEventContent,
             history_visibility::{HistoryVisibility, RoomHistoryVisibilityEventContent},
         },
-        AnyStateEventContent, EventType, RoomEventType, StateEventType,
+        AnyStateEventContent, StateEventType,
     },
     serde::Raw,
     EventId, RoomId, UserId,

src/client_server/sync.rs

@@ -7,7 +7,7 @@ use ruma::{
     },
     events::{
         room::member::{MembershipState, RoomMemberEventContent},
-        EventType, RoomEventType, StateEventType,
+        RoomEventType, StateEventType,
     },
     serde::Raw,
     DeviceId, RoomId, UserId,

src/client_server/tag.rs

@@ -3,7 +3,7 @@ use ruma::{
     api::client::tag::{create_tag, delete_tag, get_tags},
     events::{
         tag::{TagEvent, TagEventContent},
-        EventType, RoomAccountDataEventType,
+        RoomAccountDataEventType,
     },
 };
 use std::collections::BTreeMap;

src/client_server/to_device.rs

@@ -7,7 +7,6 @@ use ruma::{
         client::{error::ErrorKind, to_device::send_event_to_device},
         federation::{self, transactions::edu::DirectDeviceContent},
     },
-    events::EventType,
     to_device::DeviceIdOrAllDevices,
 };
 

src/database/abstraction/sqlite.rs

@@ -19,7 +19,7 @@ thread_local! {
 
 struct PreparedStatementIterator<'a> {
     pub iterator: Box<dyn Iterator<Item = TupleOfBytes> + 'a>,
-    pub statement_ref: NonAliasingBox<rusqlite::Statement<'a>>,
+    pub _statement_ref: NonAliasingBox<rusqlite::Statement<'a>>,
 }
 
 impl Iterator for PreparedStatementIterator<'_> {
@@ -184,7 +184,7 @@ impl SqliteTable {
 
         Box::new(PreparedStatementIterator {
             iterator,
-            statement_ref,
+            _statement_ref: statement_ref,
         })
     }
 }
@@ -283,7 +283,7 @@ impl Tree for SqliteTable {
             );
             Box::new(PreparedStatementIterator {
                 iterator,
-                statement_ref,
+                _statement_ref: statement_ref,
             })
         } else {
             let statement = Box::leak(Box::new(
@@ -309,7 +309,7 @@ impl Tree for SqliteTable {
 
             Box::new(PreparedStatementIterator {
                 iterator,
-                statement_ref,
+                _statement_ref: statement_ref,
             })
         }
     }

src/database/pusher.rs

@@ -11,7 +11,7 @@ use ruma::{
     },
     events::{
         room::{name::RoomNameEventContent, power_levels::RoomPowerLevelsEventContent},
-        AnySyncRoomEvent, EventType, RoomEventType, StateEventType,
+        AnySyncRoomEvent, RoomEventType, StateEventType,
     },
     push::{Action, PushConditionRoomCtx, PushFormat, Ruleset, Tweak},
     serde::Raw,

src/database/rooms.rs

@@ -1835,14 +1835,6 @@ impl Rooms {
             })
             .transpose()?;
 
-        let create_prev_event = if prev_events.len() == 1
-            && Some(&prev_events[0]) == create_event.as_ref().map(|c| &c.event_id)
-        {
-            create_event
-        } else {
-            None
-        };
-
         // If there was no create event yet, assume we are creating a version 6 room right now
         let room_version_id = create_event_content
             .map_or(RoomVersionId::V6, |create_event| create_event.room_version);
@@ -1978,7 +1970,7 @@ impl Rooms {
             self.room_servers(room_id).filter_map(|r| r.ok()).collect();
 
         // In case we are kicking or banning a user, we need to inform their server of the change
-        if pdu.kind == EventType::RoomMember {
+        if pdu.kind == RoomEventType::RoomMember {
             if let Some(state_key_uid) = &pdu
                 .state_key
                 .as_ref()
@@ -2001,7 +1993,7 @@ impl Rooms {
 
             // If the RoomMember event has a non-empty state_key, it is targeted at someone.
             // If it is our appservice user, we send this PDU to it.
-            if pdu.kind == EventType::RoomMember {
+            if pdu.kind == RoomEventType::RoomMember {
                 if let Some(state_key_uid) = &pdu
                     .state_key
                     .as_ref()

src/database/sending.rs

@@ -23,10 +23,7 @@ use ruma::{
         OutgoingRequest,
     },
     device_id,
-    events::{
+    events::{push_rules::PushRulesEvent, AnySyncEphemeralRoomEvent, GlobalAccountDataEventType},
-        push_rules::PushRulesEvent, AnySyncEphemeralRoomEvent, EventType,
-        GlobalAccountDataEventType,
-    },
     push,
     receipt::ReceiptType,
     uint, MilliSecondsSinceUnixEpoch, ServerName, UInt, UserId,

src/server_server.rs

@@ -1201,18 +1201,6 @@ fn handle_outlier_pdu<'a>(
             return Err("Incoming event refers to wrong create event.".to_owned());
         }
 
-        // If the previous event was the create event special rules apply
-        let previous_create = if incoming_pdu.auth_events.len() == 1
-            && incoming_pdu.prev_events == incoming_pdu.auth_events
-        {
-            db.rooms
-                .get_pdu(&incoming_pdu.auth_events[0])
-                .map_err(|e| e.to_string())?
-                .filter(|maybe_create| **maybe_create == *create_event)
-        } else {
-            None
-        };
-
         if !state_res::event_auth::auth_check(
             &room_version,
             &incoming_pdu,
@@ -1498,18 +1486,6 @@ async fn upgrade_outlier_to_timeline_pdu(
         state_at_incoming_event.expect("we always set this to some above");
 
     // 11. Check the auth of the event passes based on the state of the event
-    // If the previous event was the create event special rules apply
-    let previous_create = if incoming_pdu.auth_events.len() == 1
-        && incoming_pdu.prev_events == incoming_pdu.auth_events
-    {
-        db.rooms
-            .get_pdu(&incoming_pdu.auth_events[0])
-            .map_err(|e| e.to_string())?
-            .filter(|maybe_create| **maybe_create == *create_event)
-    } else {
-        None
-    };
-
     let check_result = state_res::event_auth::auth_check(
         &room_version,
         &incoming_pdu,
@@ -2635,14 +2611,6 @@ pub async fn create_join_event_template_route(
         })
         .transpose()?;
 
-    let create_prev_event = if prev_events.len() == 1
-        && Some(&prev_events[0]) == create_event.as_ref().map(|c| &c.event_id)
-    {
-        create_event
-    } else {
-        None
-    };
-
     // If there was no create event yet, assume we are creating a version 6 room right now
     let room_version_id =
         create_event_content.map_or(RoomVersionId::V6, |create_event| create_event.room_version);