Revert accidental fast-forward merge from v1.49.0rc1

Revert "Sort internal changes in changelog"
Revert "Update CHANGES.md"
Revert "1.49.0rc1"
Revert "Revert "Move `glob_to_regex` and `re_word_boundary` to `matrix-python-common` (#11505) (#11527)"
Revert "Refactors in `_generate_sync_entry_for_rooms` (#11515)"
Revert "Correctly register shutdown handler for presence workers (#11518)"
Revert "Fix `ModuleApi.looping_background_call` for non-async functions (#11524)"
Revert "Fix 'delete room' admin api to work on incomplete rooms (#11523)"
Revert "Correctly ignore invites from ignored users (#11511)"
Revert "Fix the test breakage introduced by #11435 as a result of concurrent PRs (#11522)"
Revert "Stabilise support for MSC2918 refresh tokens as they have now been merged into the Matrix specification. (#11435)"
Revert "Save the OIDC session ID (sid) with the device on login (#11482)"
Revert "Add admin API to get some information about federation status (#11407)"
Revert "Include bundled aggregations in /sync and related fixes (#11478)"
Revert "Move `glob_to_regex` and `re_word_boundary` to `matrix-python-common` (#11505)"
Revert "Update backward extremity docs to make it clear that it does not indicate whether we have fetched an events' `prev_events` (#11469)"
Revert "Support configuring the lifetime of non-refreshable access tokens separately to refreshable access tokens. (#11445)"
Revert "Add type hints to `synapse/tests/rest/admin` (#11501)"
Revert "Revert accidental commits to develop."
Revert "Newsfile"
Revert "Give `tests.server.setup_test_homeserver` (nominally!) the same behaviour"
Revert "Move `tests.utils.setup_test_homeserver` to `tests.server`"
Revert "Convert one of the `setup_test_homeserver`s to `make_test_homeserver_synchronous`"
Revert "Disambiguate queries on `state_key` (#11497)"
Revert "Comments on the /sync tentacles (#11494)"
Revert "Clean up tests.storage.test_appservice (#11492)"
Revert "Clean up `tests.storage.test_main` to remove use of legacy code. (#11493)"
Revert "Clean up `tests.test_visibility` to remove legacy code. (#11495)"
Revert "Minor cleanup on recently ported doc pages  (#11466)"
Revert "Add most of the missing type hints to `synapse.federation`. (#11483)"
Revert "Avoid waiting for zombie processes in `synctl stop` (#11490)"
Revert "Fix media repository failing when media store path contains symlinks (#11446)"
Revert "Add type annotations to `tests.storage.test_appservice`. (#11488)"
Revert "`scripts-dev/sign_json`: support for signing events (#11486)"
Revert "Add MSC3030 experimental client and federation API endpoints to get the closest event to a given timestamp (#9445)"
Revert "Port wiki pages to documentation website (#11402)"
Revert "Add a license header and comment. (#11479)"
Revert "Clean-up get_version_string (#11468)"
Revert "Link background update controller docs to summary (#11475)"
Revert "Additional type hints for config module. (#11465)"
Revert "Register the login redirect endpoint for v3. (#11451)"
Revert "Update openid.md"
Revert "Remove mention of OIDC certification from Dex (#11470)"
Revert "Add a note about huge pages to our Postgres doc (#11467)"
Revert "Don't start Synapse master process if `worker_app` is set (#11416)"
Revert "Expose worker & homeserver as entrypoints in `setup.py` (#11449)"
Revert "Bundle relations of relations into the `/relations` result. (#11284)"
Revert "Fix `LruCache` corruption bug with a `size_callback` that can return 0 (#11454)"
Revert "Eliminate a few `Any`s in `LruCache` type hints (#11453)"
Revert "Remove unnecessary `json.dumps` from `tests.rest.admin` (#11461)"
Revert "Merge branch 'master' into develop"

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This reverts commit b14f8a1baf6f500997ae4c1d6a6d72094ce14270, reversing
changes made to e713855dca17a7605bae99ea8d71bc7f8657e4b8.

1 files changed, 12 insertions, 79 deletions

diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index 9fc4c31c93..10b5aa5af8 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -21,7 +21,6 @@ from typing import (
     Callable,
     Collection,
     Dict,
-    Generator,
     Iterable,
     List,
     Mapping,
@@ -150,42 +149,6 @@ class TransportLayerClient:
         )
 
     @log_function
-    async def timestamp_to_event(
-        self, destination: str, room_id: str, timestamp: int, direction: str
-    ) -> Union[JsonDict, List]:
-        """
-        Calls a remote federating server at `destination` asking for their
-        closest event to the given timestamp in the given direction.
-
-        Args:
-            destination: Domain name of the remote homeserver
-            room_id: Room to fetch the event from
-            timestamp: The point in time (inclusive) we should navigate from in
-                the given direction to find the closest event.
-            direction: ["f"|"b"] to indicate whether we should navigate forward
-                or backward from the given timestamp to find the closest event.
-
-        Returns:
-            Response dict received from the remote homeserver.
-
-        Raises:
-            Various exceptions when the request fails
-        """
-        path = _create_path(
-            FEDERATION_UNSTABLE_PREFIX,
-            "/org.matrix.msc3030/timestamp_to_event/%s",
-            room_id,
-        )
-
-        args = {"ts": [str(timestamp)], "dir": [direction]}
-
-        remote_response = await self.client.get_json(
-            destination, path=path, args=args, try_trailing_slash_on_400=True
-        )
-
-        return remote_response
-
-    @log_function
     async def send_transaction(
         self,
         transaction: Transaction,
@@ -236,16 +199,11 @@ class TransportLayerClient:
 
     @log_function
     async def make_query(
-        self,
-        destination: str,
-        query_type: str,
-        args: dict,
-        retry_on_dns_fail: bool,
-        ignore_backoff: bool = False,
-    ) -> JsonDict:
+        self, destination, query_type, args, retry_on_dns_fail, ignore_backoff=False
+    ):
         path = _create_v1_path("/query/%s", query_type)
 
-        return await self.client.get_json(
+        content = await self.client.get_json(
             destination=destination,
             path=path,
             args=args,
@@ -254,6 +212,8 @@ class TransportLayerClient:
             ignore_backoff=ignore_backoff,
         )
 
+        return content
+
     @log_function
     async def make_membership_event(
         self,
@@ -1232,24 +1192,10 @@ class TransportLayerClient:
         )
 
     async def get_room_hierarchy(
-        self, destination: str, room_id: str, suggested_only: bool
-    ) -> JsonDict:
-        """
-        Args:
-            destination: The remote server
-            room_id: The room ID to ask about.
-            suggested_only: if True, only suggested rooms will be returned
-        """
-        path = _create_v1_path("/hierarchy/%s", room_id)
-
-        return await self.client.get_json(
-            destination=destination,
-            path=path,
-            args={"suggested_only": "true" if suggested_only else "false"},
-        )
-
-    async def get_room_hierarchy_unstable(
-        self, destination: str, room_id: str, suggested_only: bool
+        self,
+        destination: str,
+        room_id: str,
+        suggested_only: bool,
     ) -> JsonDict:
         """
         Args:
@@ -1321,7 +1267,7 @@ class SendJoinResponse:
 
 
 @ijson.coroutine
-def _event_parser(event_dict: JsonDict) -> Generator[None, Tuple[str, Any], None]:
+def _event_parser(event_dict: JsonDict):
     """Helper function for use with `ijson.kvitems_coro` to parse key-value pairs
     to add them to a given dictionary.
     """
@@ -1332,9 +1278,7 @@ def _event_parser(event_dict: JsonDict) -> Generator[None, Tuple[str, Any], None
 
 
 @ijson.coroutine
-def _event_list_parser(
-    room_version: RoomVersion, events: List[EventBase]
-) -> Generator[None, JsonDict, None]:
+def _event_list_parser(room_version: RoomVersion, events: List[EventBase]):
     """Helper function for use with `ijson.items_coro` to parse an array of
     events and add them to the given list.
     """
@@ -1373,26 +1317,15 @@ class SendJoinParser(ByteParser[SendJoinResponse]):
             prefix + "auth_chain.item",
             use_float=True,
         )
-        # TODO Remove the unstable prefix when servers have updated.
-        #
-        # By re-using the same event dictionary this will cause the parsing of
-        # org.matrix.msc3083.v2.event and event to stomp over each other.
-        # Generally this should be fine.
-        self._coro_unstable_event = ijson.kvitems_coro(
-            _event_parser(self._response.event_dict),
-            prefix + "org.matrix.msc3083.v2.event",
-            use_float=True,
-        )
         self._coro_event = ijson.kvitems_coro(
             _event_parser(self._response.event_dict),
-            prefix + "event",
+            prefix + "org.matrix.msc3083.v2.event",
             use_float=True,
         )
 
     def write(self, data: bytes) -> int:
         self._coro_state.send(data)
         self._coro_auth.send(data)
-        self._coro_unstable_event.send(data)
         self._coro_event.send(data)
 
         return len(data)