Example #1
0
func updateReceiver(t *testing.T, resultch chan byte, errorch chan error, client ab.AtomicBroadcastClient) {
	logger.Info("{Update Receiver} Creating a ledger update delivery stream.")
	dstream, err := client.Deliver(context.Background())
	if err != nil {
		errorch <- fmt.Errorf("Failed to get Deliver stream: %s", err)
		return
	}
	dstream.Send(&ab.DeliverUpdate{Type: &ab.DeliverUpdate_Seek{Seek: &ab.SeekInfo{Start: ab.SeekInfo_NEWEST, WindowSize: 10, ChainID: provisional.TestChainID}}})
	logger.Info("{Update Receiver} Listening to ledger updates.")
	for i := 0; i < 2; i++ {
		m, inerr := dstream.Recv()
		if inerr != nil {
			errorch <- fmt.Errorf("Failed to receive consensus: %s", inerr)
			return
		}
		b := m.Type.(*ab.DeliverResponse_Block)
		logger.Info("{Update Receiver} Received a ledger update.")
		for i, tx := range b.Block.Data.Data {
			pl := &cb.Payload{}
			e := &cb.Envelope{}
			merr1 := proto.Unmarshal(tx, e)
			merr2 := proto.Unmarshal(e.Payload, pl)
			if merr1 == nil && merr2 == nil {
				logger.Infof("{Update Receiver} %d - %v", i+1, pl.Data)
			}
		}
		resultch <- UPDATE
	}
	logger.Info("{Update Receiver} Exiting...")
}
Example #2
0
func broadcastSender(resultch chan byte, errorch chan error, client ab.AtomicBroadcastClient) {
	logger.Info("{Broadcast Sender} Waiting before sending.")
	<-time.After(5 * time.Second)
	bstream, err := client.Broadcast(context.Background())
	if err != nil {
		errorch <- fmt.Errorf("Failed to get broadcast stream: %s", err)
		return
	}
	bs := []byte{0, 1, 2, 3}
	pl := &cb.Payload{
		Header: &cb.Header{
			ChainHeader: &cb.ChainHeader{
				ChainID: provisional.TestChainID,
			},
		},
		Data: bs,
	}
	mpl, err := proto.Marshal(pl)
	if err != nil {
		panic("Failed to marshal payload.")
	}
	bstream.Send(&cb.Envelope{Payload: mpl})
	logger.Infof("{Broadcast Sender} Broadcast sent: %v", bs)
	logger.Info("{Broadcast Sender} Exiting...")
	resultch <- SEND
}