Move OffsetNewest and OffsetOldest into keyserver types, change them to be more sane values

keyserver/storage/postgres/key_changes_table.go

@@ -17,11 +17,9 @@ package postgres
 import (
 	"context"
 	"database/sql"
-	"math"
 
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/keyserver/storage/tables"
-	"github.com/matrix-org/dendrite/setup/jetstream"
 )
 
 var keyChangesSchema = `
@@ -78,9 +76,6 @@ func (s *keyChangesStatements) InsertKeyChange(ctx context.Context, userID strin
 func (s *keyChangesStatements) SelectKeyChanges(
 	ctx context.Context, fromOffset, toOffset int64,
 ) (userIDs []string, latestOffset int64, err error) {
-	if toOffset == jetstream.OffsetNewest {
-		toOffset = math.MaxInt64
-	}
 	latestOffset = fromOffset
 	rows, err := s.selectKeyChangesStmt.QueryContext(ctx, fromOffset, toOffset)
 	if err != nil {

keyserver/storage/sqlite3/key_changes_table.go

@@ -17,11 +17,9 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
-	"math"
 
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/keyserver/storage/tables"
-	"github.com/matrix-org/dendrite/setup/jetstream"
 )
 
 var keyChangesSchema = `
@@ -76,9 +74,6 @@ func (s *keyChangesStatements) InsertKeyChange(ctx context.Context, userID strin
 func (s *keyChangesStatements) SelectKeyChanges(
 	ctx context.Context, fromOffset, toOffset int64,
 ) (userIDs []string, latestOffset int64, err error) {
-	if toOffset == jetstream.OffsetNewest {
-		toOffset = math.MaxInt64
-	}
 	latestOffset = fromOffset
 	rows, err := s.selectKeyChangesStmt.QueryContext(ctx, fromOffset, toOffset)
 	if err != nil {

keyserver/storage/storage_test.go

@@ -10,8 +10,8 @@ import (
 	"testing"
 
 	"github.com/matrix-org/dendrite/keyserver/api"
+	"github.com/matrix-org/dendrite/keyserver/types"
 	"github.com/matrix-org/dendrite/setup/config"
-	"github.com/matrix-org/dendrite/setup/jetstream"
 )
 
 var ctx = context.Background()
@@ -50,7 +50,7 @@ func TestKeyChanges(t *testing.T) {
 	MustNotError(t, err)
 	deviceChangeIDC, err := db.StoreKeyChange(ctx, "@charlie:localhost")
 	MustNotError(t, err)
-	userIDs, latest, err := db.KeyChanges(ctx, deviceChangeIDB, jetstream.OffsetNewest)
+	userIDs, latest, err := db.KeyChanges(ctx, deviceChangeIDB, types.OffsetNewest)
 	if err != nil {
 		t.Fatalf("Failed to KeyChanges: %s", err)
 	}
@@ -74,7 +74,7 @@ func TestKeyChangesNoDupes(t *testing.T) {
 	}
 	deviceChangeID, err := db.StoreKeyChange(ctx, "@alice:localhost")
 	MustNotError(t, err)
-	userIDs, latest, err := db.KeyChanges(ctx, 0, jetstream.OffsetNewest)
+	userIDs, latest, err := db.KeyChanges(ctx, 0, types.OffsetNewest)
 	if err != nil {
 		t.Fatalf("Failed to KeyChanges: %s", err)
 	}

keyserver/types/storage.go

@@ -14,7 +14,18 @@
 
 package types
 
-import "github.com/matrix-org/gomatrixserverlib"
+import (
+	"math"
+
+	"github.com/matrix-org/gomatrixserverlib"
+)
+
+const (
+	// OffsetNewest tells e.g. the database to get the most current data
+	OffsetNewest int64 = math.MaxInt64
+	// OffsetOldest tells e.g. the database to get the oldest data
+	OffsetOldest int64 = 0
+)
 
 // KeyTypePurposeToInt maps a purpose to an integer, which is used in the
 // database to reduce the amount of space taken up by this column.

setup/jetstream/nats.go

@@ -12,13 +12,6 @@ import (
 	natsclient "github.com/nats-io/nats.go"
 )
 
-const (
-	// OffsetNewest tells e.g. the database to get the most current data
-	OffsetNewest int64 = -1
-	// OffsetOldest tells e.g. the database to get the oldest data
-	OffsetOldest int64 = -2
-)
-
 var natsServer *natsserver.Server
 var natsServerMutex sync.Mutex
 

syncapi/internal/keychange.go

@@ -19,8 +19,8 @@ import (
 	"strings"
 
 	keyapi "github.com/matrix-org/dendrite/keyserver/api"
+	keytypes "github.com/matrix-org/dendrite/keyserver/types"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/syncapi/types"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -64,8 +64,8 @@ func DeviceListCatchup(
 	}
 
 	// now also track users who we already share rooms with but who have updated their devices between the two tokens
-	offset := jetstream.OffsetOldest
+	offset := keytypes.OffsetOldest
-	toOffset := jetstream.OffsetNewest
+	toOffset := keytypes.OffsetNewest
 	if to > 0 && to > from {
 		toOffset = int64(to)
 	}