Golang encoder.Serialize函数代码示例

func TestGivePeersMessage(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	addrs := []string{addr, addrb, "7"}
	peers := make([]*pex.Peer, 3)
	for i, addr := range addrs {
		peers[i] = &pex.Peer{Addr: addr}
	}
	m := NewGivePeersMessage(peers)
	assert.Equal(t, len(m.GetPeers()), 2)
	testSimpleMessageHandler(t, d, m)
	assert.Equal(t, m.GetPeers()[0], addrs[0])
	assert.Equal(t, m.GetPeers()[1], addrs[1])

	// Test disabled
	d.Peers.Config.Disabled = true
	m.Process(d)
	assert.Equal(t, len(d.Peers.Peers.Peerlist), 0)

	// Test serialization
	m = NewGivePeersMessage(peers)
	b := encoder.Serialize(m)
	m2 := GivePeersMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)

	// Peers should be added to the pex when processed
	d.Peers.Config.Disabled = false
	m.Process(d)
	assert.Equal(t, len(d.Peers.Peers.Peerlist), 2)
	gnet.EraseMessages()
}

func TestPingMessage(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	p := d.Pool.Pool
	m := &PingMessage{}
	testSimpleMessageHandler(t, d, m)

	m.c = messageContext(addr)
	go p.ConnectionWriteLoop(m.c.Conn)
	defer m.c.Conn.Close()
	assert.NotPanics(t, func() { m.Process(d) })
	// A pong message should have been sent
	wait()
	assert.Equal(t, len(p.SendResults), 1)
	if len(p.SendResults) == 0 {
		t.Fatalf("SendResults empty, would block")
	}
	sr := <-p.SendResults
	assert.Equal(t, sr.Connection, m.c.Conn)
	assert.Nil(t, sr.Error)
	_, ok := sr.Message.(*PongMessage)
	assert.True(t, ok)
	assert.False(t, m.c.Conn.LastSent.IsZero())

	// Test serialization
	mm := PingMessage{}
	b := encoder.Serialize(mm)
	m2 := PingMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, mm, m2)

	gnet.EraseMessages()
}

func TestGetPeersMessage(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	p := d.Pool
	m := NewGetPeersMessage()
	testSimpleMessageHandler(t, d, m)
	d.Peers.Peers.AddPeer(addr)
	q, err := d.Peers.Peers.AddPeer(addrb)
	assert.Nil(t, err)
	q.Private = true
	d.Peers.Config.ReplyCount = 100
	m.c = messageContext(addr)

	// Peers disabled
	d.Peers.Config.Disabled = true
	assert.NotPanics(t, func() { m.Process(d) })
	wait()
	assert.Equal(t, len(p.Pool.SendResults), 0)
	assert.True(t, m.c.Conn.LastSent.IsZero())

	// Peers enabled
	d.Peers.Config.Disabled = false
	m.c = messageContext(addr)
	defer m.c.Conn.Close()
	go p.Pool.ConnectionWriteLoop(m.c.Conn)
	assert.NotPanics(t, func() { m.Process(d) })
	wait()
	assert.Equal(t, len(p.Pool.SendResults), 1)
	if len(p.Pool.SendResults) == 0 {
		t.Fatal("SendResults empty, would block")
	}
	sr := <-p.Pool.SendResults
	assert.Nil(t, sr.Error)
	assert.Equal(t, sr.Connection, m.c.Conn)
	msg, ok := sr.Message.(*GivePeersMessage)
	assert.True(t, ok)
	// Private peer should not be included
	ipAddr, err := NewIPAddr(addr)
	assert.Nil(t, err)
	assert.Equal(t, msg.Peers, []IPAddr{ipAddr})
	assert.False(t, m.c.Conn.LastSent.IsZero())

	// If no peers, nothing should happen
	m.c.Conn.LastSent = util.ZeroTime()
	delete(d.Peers.Peers.Peerlist, addr)
	assert.NotPanics(t, func() { m.Process(d) })
	wait()
	assert.Equal(t, len(p.Pool.SendResults), 0)
	assert.True(t, m.c.Conn.LastSent.IsZero())

	// Test serialization
	m = NewGetPeersMessage()
	b := encoder.Serialize(m)
	m2 := GetPeersMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)

	gnet.EraseMessages()
}

func TestTransactionsSize(t *testing.T) {
	txns := makeTransactions(t, 10)
	size := 0
	for _, tx := range txns {
		size += len(encoder.Serialize(&tx))
	}
	assert.NotEqual(t, size, 0)
	assert.Equal(t, txns.Size(), size)
}

// Add transaction to the db.
func (txs *transactions) Add(t *Transaction) error {
	txs.lastTxs = append(txs.lastTxs, t.Hash())
	if len(txs.lastTxs) > lastTxNum {
		txs.lastTxs = txs.lastTxs[1:]
	}

	key := t.Hash()
	v := encoder.Serialize(t)
	return txs.bkt.Put(key[:], v)
}

func TestBlockBodySize(t *testing.T) {
	b := makeNewBlock()
	addTransactionToBlock(t, &b)
	assert.Equal(t, b.Size(), b.Body.Size())
	assert.Equal(t, b.Body.Size(), b.Body.Transactions.Size())
	size := 0
	for _, x := range b.Body.Transactions {
		size += len(encoder.Serialize(&x))
	}
	assert.NotEqual(t, size, 0)
	assert.Equal(t, b.Size(), size)
}

func TestIntroductionMessageHandle(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	mc := messageContext(addr)
	m := NewIntroductionMessage(d.Messages.Mirror, d.Config.Version,
		d.Pool.Pool.Config.Port)

	// Test valid handling
	m.Mirror = d.Messages.Mirror + 1
	err := m.Handle(mc, d)
	assert.Nil(t, err)
	if len(d.messageEvents) == 0 {
		t.Fatalf("messageEvent is empty")
	}
	<-d.messageEvents
	assert.True(t, m.valid)
	m.valid = false

	// Test matching mirror
	m.Mirror = d.Messages.Mirror
	err = m.Handle(mc, d)
	assert.Equal(t, err, DisconnectSelf)
	m.Mirror = d.Messages.Mirror + 1
	assert.False(t, m.valid)

	// Test mismatched d.Config.Version
	m.Version = d.Config.Version + 1
	err = m.Handle(mc, d)
	assert.Equal(t, err, DisconnectInvalidVersion)
	assert.False(t, m.valid)

	// Test serialization
	m = NewIntroductionMessage(d.Messages.Mirror, d.Config.Version,
		d.Pool.Pool.Config.Port)
	b := encoder.Serialize(m)
	m2 := IntroductionMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)

	// Test already connected
	d.mirrorConnections[m.Mirror] = make(map[string]uint16)
	d.mirrorConnections[m.Mirror][addrIP] = addrPort + 1
	err = m.Handle(mc, d)
	assert.Equal(t, err, DisconnectConnectedTwice)
	delete(d.mirrorConnections, m.Mirror)
	assert.False(t, m.valid)

	for len(d.messageEvents) > 0 {
		<-d.messageEvents
	}
	gnet.EraseMessages()
}

func (au *addressUx) Add(address cipher.Address, uxHash cipher.SHA256) error {
	hashes, err := au.Get(address)
	if err != nil {
		return err
	}

	if hashes == nil {
		bin := encoder.Serialize([]cipher.SHA256{uxHash})
		return au.bkt.Put(address.Bytes(), bin)
	}

	// check dup
	for _, u := range hashes {
		if u == uxHash {
			return nil
		}
	}

	hashes = append(hashes, uxHash)
	bin := encoder.Serialize(hashes)
	return au.bkt.Put(address.Bytes(), bin)
}

func TestGetBlocksMessageHandle(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	m := NewGetBlocksMessage(uint64(1))
	assert.Equal(t, m.LastBlock, uint64(1))
	testSimpleMessageHandler(t, d, m)

	// Test serialization
	m = NewGetBlocksMessage(uint64(106))
	b := encoder.Serialize(m)
	m2 := GetBlocksMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)
}

func (self *Dispatcher) EncodeMessage(msg Message) []byte {
	t := reflect.ValueOf(msg).Elem().Type()
	msgId, succ := self.MessageIdMap[t]
	if !succ {
		txt := "Attempted to serialize message struct not in MessageIdMap: %v"
		log.Panicf(txt, msg)
	}
	bMsg := encoder.Serialize(msg)

	m := make([]byte, 0, 4+len(bMsg))
	m = append(m, msgId[:]...) // message id
	m = append(m, bMsg...)     // message bytes
	return m
}

func (self *BlockSigs) Save(filename string) error {
	// Convert the Sigs map to an array of element
	sigs := make([]BlockSigSerialized, len(self.Sigs))
	i := 0
	for k, v := range self.Sigs {
		sigs[i] = BlockSigSerialized{
			BkSeq: k,
			Sig:   v,
		}
		i++
	}
	bss := BlockSigsSerialized{sigs}
	data := encoder.Serialize(bss)
	return util.SaveBinary(filename, data, 0644)
}

//encode block to bytes
func Enc_block(sb SignedBlock) []byte {
	var prefix []byte = make([]byte, 16)
	b := encoder.Serialize(sb)

	var dln uint64 = uint64(len(b) + 24) //length include prefix
	var seq uint64 = uint64(sb.Block.Head.BkSeq)
	var chk uint64 = FnvsHash(b)

	le_PutUint64(prefix[0:8], dln)
	le_PutUint64(prefix[8:16], seq)
	le_PutUint64(prefix[16:24], chk)

	b = append(prefix[:], b...)

	return b
}

func TestPongMessage(t *testing.T) {
	cmsgs := NewMessagesConfig()
	cmsgs.Register()
	m := &PongMessage{}
	// Pongs dont do anything
	assert.Nil(t, m.Handle(messageContext(addr), nil))
	gnet.EraseMessages()

	// Test serialization
	mm := PongMessage{}
	b := encoder.Serialize(mm)
	m2 := PongMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, mm, m2)

}

func TestGiveBlocksMessageHandle(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	_, mv := setupVisor()
	blocks := []visor.SignedBlock{mv.GetGenesisBlock()}
	m := NewGiveBlocksMessage(blocks)
	assert.Equal(t, m.Blocks, blocks)
	testSimpleMessageHandler(t, d, m)

	// Test serialization
	bks, err := makeBlocks(mv, 4)
	assert.Nil(t, err)
	blocks = append(blocks, bks...)
	m = NewGiveBlocksMessage(blocks)
	b := encoder.Serialize(m)
	m2 := GiveBlocksMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)
}

func TestGiveTxnsMessageHandle(t *testing.T) {
	d := newDefaultDaemon()
	defer shutdown(d)
	tx := createUnconfirmedTxn()
	txns := coin.Transactions{tx.Txn}
	m := NewGiveTxnsMessage(txns)
	assert.Equal(t, m.Txns, txns)
	testSimpleMessageHandler(t, d, m)

	// Test serialization
	tx = createUnconfirmedTxn()
	txns = append(txns, tx.Txn)
	tx = createUnconfirmedTxn()
	txns = append(txns, tx.Txn)
	m = NewGiveTxnsMessage(txns)
	assert.Equal(t, len(m.Txns), 3)
	b := encoder.Serialize(m)
	m2 := GiveTxnsMessage{}
	assert.Nil(t, encoder.DeserializeRaw(b, &m2))
	assert.Equal(t, *m, m2)
}