Federation fixes (#845)

* Update gomatrixserverlib to p2p commit 92c0338, other tweaks

* Update gomatrixserverlib to p2p commit e5dcc65

* Rewrite getAuthChain

* Update gomatrixserverlib in go.mod/go.sum

* Correct a couple of package refs for updated gmsl/gomatrix

* Update gomatrixserverlib ref in go.mod/go.sum

* Update getAuthChain comments following @babolivier review

syncapi/storage/postgres/account_data_table.go

@@ -21,7 +21,7 @@ import (
 
 	"github.com/lib/pq"
 	"github.com/matrix-org/dendrite/common"
-	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/gomatrix"
 )
 
 const accountDataSchema = `
@@ -98,7 +98,7 @@ func (s *accountDataStatements) selectAccountDataInRange(
 	ctx context.Context,
 	userID string,
 	oldPos, newPos int64,
-	accountDataFilterPart *gomatrixserverlib.FilterPart,
+	accountDataFilterPart *gomatrix.FilterPart,
 ) (data map[string][]string, err error) {
 	data = make(map[string][]string)
 

syncapi/storage/postgres/current_room_state_table.go

@@ -22,6 +22,7 @@ import (
 
 	"github.com/lib/pq"
 	"github.com/matrix-org/dendrite/common"
+	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/gomatrixserverlib"
 )
 
@@ -183,7 +184,7 @@ func (s *currentRoomStateStatements) selectRoomIDsWithMembership(
 // CurrentState returns all the current state events for the given room.
 func (s *currentRoomStateStatements) selectCurrentState(
 	ctx context.Context, txn *sql.Tx, roomID string,
-	stateFilterPart *gomatrixserverlib.FilterPart,
+	stateFilterPart *gomatrix.FilterPart,
 ) ([]gomatrixserverlib.Event, error) {
 	stmt := common.TxStmt(txn, s.selectCurrentStateStmt)
 	rows, err := stmt.QueryContext(ctx, roomID,

syncapi/storage/postgres/output_room_events_table.go

@@ -22,6 +22,7 @@ import (
 	"sort"
 
 	"github.com/matrix-org/dendrite/roomserver/api"
+	"github.com/matrix-org/gomatrix"
 
 	"github.com/lib/pq"
 	"github.com/matrix-org/dendrite/common"
@@ -127,7 +128,7 @@ func (s *outputRoomEventsStatements) prepare(db *sql.DB) (err error) {
 // two positions, only the most recent state is returned.
 func (s *outputRoomEventsStatements) selectStateInRange(
 	ctx context.Context, txn *sql.Tx, oldPos, newPos int64,
-	stateFilterPart *gomatrixserverlib.FilterPart,
+	stateFilterPart *gomatrix.FilterPart,
 ) (map[string]map[string]bool, map[string]streamEvent, error) {
 	stmt := common.TxStmt(txn, s.selectStateInRangeStmt)
 

syncapi/storage/postgres/syncserver.go

@@ -27,6 +27,7 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/roomserver/api"
+	"github.com/matrix-org/gomatrix"
 
 	// Import the postgres database driver.
 	_ "github.com/lib/pq"
@@ -186,7 +187,7 @@ func (d *SyncServerDatasource) GetStateEvent(
 // Returns an empty slice if no state events could be found for this room.
 // Returns an error if there was an issue with the retrieval.
 func (d *SyncServerDatasource) GetStateEventsForRoom(
-	ctx context.Context, roomID string, stateFilterPart *gomatrixserverlib.FilterPart,
+	ctx context.Context, roomID string, stateFilterPart *gomatrix.FilterPart,
 ) (stateEvents []gomatrixserverlib.Event, err error) {
 	err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
 		stateEvents, err = d.roomstate.selectCurrentState(ctx, txn, roomID, stateFilterPart)
@@ -246,7 +247,7 @@ func (d *SyncServerDatasource) addPDUDeltaToResponse(
 	var succeeded bool
 	defer common.EndTransaction(txn, &succeeded)
 
-	stateFilterPart := gomatrixserverlib.DefaultFilterPart() // TODO: use filter provided in request
+	stateFilterPart := gomatrix.DefaultFilterPart() // TODO: use filter provided in request
 
 	// Work out which rooms to return in the response. This is done by getting not only the currently
 	// joined rooms, but also which rooms have membership transitions for this user between the 2 PDU stream positions.
@@ -411,7 +412,7 @@ func (d *SyncServerDatasource) getResponseWithPDUsForCompleteSync(
 		return
 	}
 
-	stateFilterPart := gomatrixserverlib.DefaultFilterPart() // TODO: use filter provided in request
+	stateFilterPart := gomatrix.DefaultFilterPart() // TODO: use filter provided in request
 
 	// Build up a /sync response. Add joined rooms.
 	for _, roomID := range joinedRoomIDs {
@@ -496,7 +497,7 @@ var txReadOnlySnapshot = sql.TxOptions{
 // If there was an issue with the retrieval, returns an error
 func (d *SyncServerDatasource) GetAccountDataInRange(
 	ctx context.Context, userID string, oldPos, newPos int64,
-	accountDataFilterPart *gomatrixserverlib.FilterPart,
+	accountDataFilterPart *gomatrix.FilterPart,
 ) (map[string][]string, error) {
 	return d.accountData.selectAccountDataInRange(ctx, userID, oldPos, newPos, accountDataFilterPart)
 }
@@ -743,7 +744,7 @@ func (d *SyncServerDatasource) fetchMissingStateEvents(
 func (d *SyncServerDatasource) getStateDeltas(
 	ctx context.Context, device *authtypes.Device, txn *sql.Tx,
 	fromPos, toPos int64, userID string,
-	stateFilterPart *gomatrixserverlib.FilterPart,
+	stateFilterPart *gomatrix.FilterPart,
 ) ([]stateDelta, []string, error) {
 	// Implement membership change algorithm: https://github.com/matrix-org/synapse/blob/v0.19.3/synapse/handlers/sync.py#L821
 	// - Get membership list changes for this user in this sync response
@@ -818,7 +819,7 @@ func (d *SyncServerDatasource) getStateDeltas(
 func (d *SyncServerDatasource) getStateDeltasForFullStateSync(
 	ctx context.Context, device *authtypes.Device, txn *sql.Tx,
 	fromPos, toPos int64, userID string,
-	stateFilterPart *gomatrixserverlib.FilterPart,
+	stateFilterPart *gomatrix.FilterPart,
 ) ([]stateDelta, []string, error) {
 	joinedRoomIDs, err := d.roomstate.selectRoomIDsWithMembership(ctx, txn, userID, gomatrixserverlib.Join)
 	if err != nil {
@@ -873,7 +874,7 @@ func (d *SyncServerDatasource) getStateDeltasForFullStateSync(
 
 func (d *SyncServerDatasource) currentStateStreamEventsForRoom(
 	ctx context.Context, txn *sql.Tx, roomID string,
-	stateFilterPart *gomatrixserverlib.FilterPart,
+	stateFilterPart *gomatrix.FilterPart,
 ) ([]streamEvent, error) {
 	allState, err := d.roomstate.selectCurrentState(ctx, txn, roomID, stateFilterPart)
 	if err != nil {