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fix: sync protocol and discussion stability fixes

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This commit is contained in:
A 2026-07-12 07:05:02 +08:00
parent 9f73dc20da
commit aa21bd04e1
43 changed files with 7258 additions and 503 deletions
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47
internal/mtprotoedge/new_session_uid_test.go
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@ -43,3 +43,50 @@ func TestNewSessionCreatedUniqueIDPerSession(t *testing.T) {
t.Fatalf("new_session_created.unique_id reused across sessions: %d", created1.UniqueID)
}
}
// TestNewSessionCreatedMovesFloorForLaterLowerMessage locks the MTProto rule
// that a server-side session must publish a fresh boundary notification when it
// later accepts a smaller logical client msg_id. Official clients use this
// boundary to decide which requests must be regenerated and resent.
func TestNewSessionCreatedMovesFloorForLaterLowerMessage(t *testing.T) {
const dc = 2
addr, pub, _ := startTestServer(t, Options{DC: dc})
conn, auth, cipher := dialHandshake(t, addr, dc, pub)
freshIDs := proto.NewMessageIDGen(time.Now)
firstMsgID := freshIDs.New(proto.MessageFromClient)
sendEncryptedWithSeq(t, conn, cipher, auth, firstMsgID, 0, &mt.HTTPWaitRequest{
MaxDelay: 0,
WaitAfter: 0,
MaxWait: 25_000,
})
first := collectReplies(t, conn, cipher, auth.AuthKey, mt.NewSessionCreatedTypeID)
var created1 mt.NewSessionCreated
if err := created1.Decode(mustHave(t, first, mt.NewSessionCreatedTypeID, "first new_session_created")); err != nil {
t.Fatalf("decode first new_session_created: %v", err)
}
if created1.FirstMsgID != firstMsgID {
t.Fatalf("first boundary = %d, want %d", created1.FirstMsgID, firstMsgID)
}
oldIDs := proto.NewMessageIDGen(func() time.Time { return time.Now().Add(-10 * time.Minute) })
lowerMsgID := oldIDs.New(proto.MessageFromClient)
outerMsgID := freshIDs.New(proto.MessageFromClient)
pingBody := mustEncodeTL(t, &mt.PingRequest{PingID: 99})
sendEncrypted(t, conn, cipher, auth, outerMsgID, &proto.MessageContainer{
Messages: []proto.Message{{
ID: lowerMsgID, SeqNo: 1, Bytes: len(pingBody), Body: pingBody,
}},
})
second := collectReplies(t, conn, cipher, auth.AuthKey, mt.PongTypeID)
var created2 mt.NewSessionCreated
if err := created2.Decode(mustHave(t, second, mt.NewSessionCreatedTypeID, "lower-boundary new_session_created")); err != nil {
t.Fatalf("decode lower-boundary new_session_created: %v", err)
}
if created2.FirstMsgID != lowerMsgID {
t.Fatalf("lower boundary = %d, want %d", created2.FirstMsgID, lowerMsgID)
}
if created2.UniqueID == created1.UniqueID {
t.Fatalf("lower-boundary notification reused unique_id %d", created2.UniqueID)
}
}