// TestPongCrossProtocol tests the MsgPong API when encoding with the latest
// protocol version and decoding with BIP0031Version.
func TestPongCrossProtocol(t *testing.T) {
nonce, err := wire.RandomUint64()
if err != nil {
t.Errorf("Error generating nonce: %v", err)
}
msg := wire.NewMsgPong(nonce)
if msg.Nonce != nonce {
t.Errorf("Should get same nonce back out.")
}
// Encode with latest protocol version.
var buf bytes.Buffer
err = msg.BtcEncode(&buf, wire.ProtocolVersion)
if err != nil {
t.Errorf("encode of MsgPong failed %v err <%v>", msg, err)
}
// Decode with old protocol version.
readmsg := wire.NewMsgPong(0)
err = readmsg.BtcDecode(&buf, wire.BIP0031Version)
if err == nil {
t.Errorf("encode of MsgPong succeeded when it shouldn't have %v",
msg)
}
// Since one of the protocol versions doesn't support the pong message,
// make sure the nonce didn't get encoded and decoded back out.
if msg.Nonce == readmsg.Nonce {
t.Error("Should not get same nonce for cross protocol")
}
}
// TestPongLatest tests the MsgPong API against the latest protocol version.
func TestPongLatest(t *testing.T) {
pver := wire.ProtocolVersion
nonce, err := wire.RandomUint64()
if err != nil {
t.Errorf("RandomUint64: error generating nonce: %v", err)
}
msg := wire.NewMsgPong(nonce)
if msg.Nonce != nonce {
t.Errorf("NewMsgPong: wrong nonce - got %v, want %v",
msg.Nonce, nonce)
}
// Ensure the command is expected value.
wantCmd := "pong"
if cmd := msg.Command(); cmd != wantCmd {
t.Errorf("NewMsgPong: wrong command - got %v want %v",
cmd, wantCmd)
}
// Ensure max payload is expected value for latest protocol version.
wantPayload := uint32(8)
maxPayload := msg.MaxPayloadLength(pver)
if maxPayload != wantPayload {
t.Errorf("MaxPayloadLength: wrong max payload length for "+
"protocol version %d - got %v, want %v", pver,
maxPayload, wantPayload)
}
// Test encode with latest protocol version.
var buf bytes.Buffer
err = msg.BtcEncode(&buf, pver)
if err != nil {
t.Errorf("encode of MsgPong failed %v err <%v>", msg, err)
}
// Test decode with latest protocol version.
readmsg := wire.NewMsgPong(0)
err = readmsg.BtcDecode(&buf, pver)
if err != nil {
t.Errorf("decode of MsgPong failed [%v] err <%v>", buf, err)
}
// Ensure nonce is the same.
if msg.Nonce != readmsg.Nonce {
t.Errorf("Should get same nonce for protocol version %d", pver)
}
return
}
// TestPongBIP0031 tests the MsgPong API against the protocol version
// BIP0031Version.
func TestPongBIP0031(t *testing.T) {
// Use the protocol version just prior to BIP0031Version changes.
pver := wire.BIP0031Version
nonce, err := wire.RandomUint64()
if err != nil {
t.Errorf("Error generating nonce: %v", err)
}
msg := wire.NewMsgPong(nonce)
if msg.Nonce != nonce {
t.Errorf("Should get same nonce back out.")
}
// Ensure max payload is expected value for old protocol version.
size := msg.MaxPayloadLength(pver)
if size != 0 {
t.Errorf("Max length should be 0 for pong protocol version %d.",
pver)
}
// Test encode with old protocol version.
var buf bytes.Buffer
err = msg.BtcEncode(&buf, pver)
if err == nil {
t.Errorf("encode of MsgPong succeeded when it shouldn't have %v",
msg)
}
// Test decode with old protocol version.
readmsg := wire.NewMsgPong(0)
err = readmsg.BtcDecode(&buf, pver)
if err == nil {
t.Errorf("decode of MsgPong succeeded when it shouldn't have %v",
spew.Sdump(buf))
}
// Since this protocol version doesn't support pong, make sure the
// nonce didn't get encoded and decoded back out.
if msg.Nonce == readmsg.Nonce {
t.Errorf("Should not get same nonce for protocol version %d", pver)
}
return
}
// TestMessage tests the Read/WriteMessage and Read/WriteMessageN API.
func TestMessage(t *testing.T) {
pver := wire.ProtocolVersion
// Create the various types of messages to test.
// MsgVersion.
addrYou := &net.TCPAddr{IP: net.ParseIP("192.168.0.1"), Port: 8333}
you, err := wire.NewNetAddress(addrYou, wire.SFNodeNetwork)
if err != nil {
t.Errorf("NewNetAddress: %v", err)
}
you.Timestamp = time.Time{} // Version message has zero value timestamp.
addrMe := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8333}
me, err := wire.NewNetAddress(addrMe, wire.SFNodeNetwork)
if err != nil {
t.Errorf("NewNetAddress: %v", err)
}
me.Timestamp = time.Time{} // Version message has zero value timestamp.
msgVersion := wire.NewMsgVersion(me, you, 123123, 0)
msgVerack := wire.NewMsgVerAck()
msgGetAddr := wire.NewMsgGetAddr()
msgAddr := wire.NewMsgAddr()
msgGetBlocks := wire.NewMsgGetBlocks(&wire.ShaHash{})
msgBlock := &blockOne
msgInv := wire.NewMsgInv()
msgGetData := wire.NewMsgGetData()
msgNotFound := wire.NewMsgNotFound()
msgTx := wire.NewMsgTx()
msgPing := wire.NewMsgPing(123123)
msgPong := wire.NewMsgPong(123123)
msgGetHeaders := wire.NewMsgGetHeaders()
msgHeaders := wire.NewMsgHeaders()
msgAlert := wire.NewMsgAlert([]byte("payload"), []byte("signature"))
msgMemPool := wire.NewMsgMemPool()
msgFilterAdd := wire.NewMsgFilterAdd([]byte{0x01})
msgFilterClear := wire.NewMsgFilterClear()
msgFilterLoad := wire.NewMsgFilterLoad([]byte{0x01}, 10, 0, wire.BloomUpdateNone)
bh := wire.NewBlockHeader(&wire.ShaHash{}, &wire.ShaHash{}, 0, 0)
msgMerkleBlock := wire.NewMsgMerkleBlock(bh)
msgReject := wire.NewMsgReject("block", wire.RejectDuplicate, "duplicate block")
tests := []struct {
in wire.Message // Value to encode
out wire.Message // Expected decoded value
pver uint32 // Protocol version for wire encoding
btcnet wire.BitcoinNet // Network to use for wire encoding
bytes int // Expected num bytes read/written
}{
{msgVersion, msgVersion, pver, wire.MainNet, 125},
{msgVerack, msgVerack, pver, wire.MainNet, 24},
{msgGetAddr, msgGetAddr, pver, wire.MainNet, 24},
{msgAddr, msgAddr, pver, wire.MainNet, 25},
{msgGetBlocks, msgGetBlocks, pver, wire.MainNet, 61},
{msgBlock, msgBlock, pver, wire.MainNet, 239},
{msgInv, msgInv, pver, wire.MainNet, 25},
{msgGetData, msgGetData, pver, wire.MainNet, 25},
{msgNotFound, msgNotFound, pver, wire.MainNet, 25},
{msgTx, msgTx, pver, wire.MainNet, 34},
{msgPing, msgPing, pver, wire.MainNet, 32},
{msgPong, msgPong, pver, wire.MainNet, 32},
{msgGetHeaders, msgGetHeaders, pver, wire.MainNet, 61},
{msgHeaders, msgHeaders, pver, wire.MainNet, 25},
{msgAlert, msgAlert, pver, wire.MainNet, 42},
{msgMemPool, msgMemPool, pver, wire.MainNet, 24},
{msgFilterAdd, msgFilterAdd, pver, wire.MainNet, 26},
{msgFilterClear, msgFilterClear, pver, wire.MainNet, 24},
{msgFilterLoad, msgFilterLoad, pver, wire.MainNet, 35},
{msgMerkleBlock, msgMerkleBlock, pver, wire.MainNet, 110},
{msgReject, msgReject, pver, wire.MainNet, 79},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Encode to wire format.
var buf bytes.Buffer
nw, err := wire.WriteMessageN(&buf, test.in, test.pver, test.btcnet)
if err != nil {
t.Errorf("WriteMessage #%d error %v", i, err)
continue
}
// Ensure the number of bytes written match the expected value.
if nw != test.bytes {
t.Errorf("WriteMessage #%d unexpected num bytes "+
"written - got %d, want %d", i, nw, test.bytes)
}
// Decode from wire format.
rbuf := bytes.NewReader(buf.Bytes())
nr, msg, _, err := wire.ReadMessageN(rbuf, test.pver, test.btcnet)
if err != nil {
t.Errorf("ReadMessage #%d error %v, msg %v", i, err,
spew.Sdump(msg))
continue
}
if !reflect.DeepEqual(msg, test.out) {
t.Errorf("ReadMessage #%d\n got: %v want: %v", i,
spew.Sdump(msg), spew.Sdump(test.out))
continue
}
// Ensure the number of bytes read match the expected value.
if nr != test.bytes {
t.Errorf("ReadMessage #%d unexpected num bytes read - "+
"got %d, want %d", i, nr, test.bytes)
}
}
// Do the same thing for Read/WriteMessage, but ignore the bytes since
// they don't return them.
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Encode to wire format.
var buf bytes.Buffer
err := wire.WriteMessage(&buf, test.in, test.pver, test.btcnet)
if err != nil {
t.Errorf("WriteMessage #%d error %v", i, err)
continue
}
// Decode from wire format.
rbuf := bytes.NewReader(buf.Bytes())
msg, _, err := wire.ReadMessage(rbuf, test.pver, test.btcnet)
if err != nil {
t.Errorf("ReadMessage #%d error %v, msg %v", i, err,
spew.Sdump(msg))
continue
}
if !reflect.DeepEqual(msg, test.out) {
t.Errorf("ReadMessage #%d\n got: %v want: %v", i,
spew.Sdump(msg), spew.Sdump(test.out))
continue
}
}
}
// TestPeerListeners tests that the peer listeners are called as expected.
func TestPeerListeners(t *testing.T) {
verack := make(chan struct{}, 1)
ok := make(chan wire.Message, 20)
peerCfg := &peer.Config{
Listeners: peer.MessageListeners{
OnGetAddr: func(p *peer.Peer, msg *wire.MsgGetAddr) {
ok <- msg
},
OnAddr: func(p *peer.Peer, msg *wire.MsgAddr) {
ok <- msg
},
OnPing: func(p *peer.Peer, msg *wire.MsgPing) {
ok <- msg
},
OnPong: func(p *peer.Peer, msg *wire.MsgPong) {
ok <- msg
},
OnAlert: func(p *peer.Peer, msg *wire.MsgAlert) {
ok <- msg
},
OnMemPool: func(p *peer.Peer, msg *wire.MsgMemPool) {
ok <- msg
},
OnTx: func(p *peer.Peer, msg *wire.MsgTx) {
ok <- msg
},
OnBlock: func(p *peer.Peer, msg *wire.MsgBlock, buf []byte) {
ok <- msg
},
OnInv: func(p *peer.Peer, msg *wire.MsgInv) {
ok <- msg
},
OnHeaders: func(p *peer.Peer, msg *wire.MsgHeaders) {
ok <- msg
},
OnNotFound: func(p *peer.Peer, msg *wire.MsgNotFound) {
ok <- msg
},
OnGetData: func(p *peer.Peer, msg *wire.MsgGetData) {
ok <- msg
},
OnGetBlocks: func(p *peer.Peer, msg *wire.MsgGetBlocks) {
ok <- msg
},
OnGetHeaders: func(p *peer.Peer, msg *wire.MsgGetHeaders) {
ok <- msg
},
OnFilterAdd: func(p *peer.Peer, msg *wire.MsgFilterAdd) {
ok <- msg
},
OnFilterClear: func(p *peer.Peer, msg *wire.MsgFilterClear) {
ok <- msg
},
OnFilterLoad: func(p *peer.Peer, msg *wire.MsgFilterLoad) {
ok <- msg
},
OnMerkleBlock: func(p *peer.Peer, msg *wire.MsgMerkleBlock) {
ok <- msg
},
OnVersion: func(p *peer.Peer, msg *wire.MsgVersion) {
ok <- msg
},
OnVerAck: func(p *peer.Peer, msg *wire.MsgVerAck) {
verack <- struct{}{}
},
OnReject: func(p *peer.Peer, msg *wire.MsgReject) {
ok <- msg
},
},
UserAgentName: "peer",
UserAgentVersion: "1.0",
ChainParams: &chaincfg.MainNetParams,
Services: wire.SFNodeBloom,
}
inConn, outConn := pipe(
&conn{raddr: "10.0.0.1:8333"},
&conn{raddr: "10.0.0.2:8333"},
)
inPeer := peer.NewInboundPeer(peerCfg, inConn)
err := inPeer.Start()
if err != nil {
t.Errorf("TestPeerListeners: unexpected err %v\n", err)
return
}
peerCfg.Listeners = peer.MessageListeners{
OnVerAck: func(p *peer.Peer, msg *wire.MsgVerAck) {
verack <- struct{}{}
},
}
outPeer, err := peer.NewOutboundPeer(peerCfg, "10.0.0.1:8333")
if err != nil {
t.Errorf("NewOutboundPeer: unexpected err %v\n", err)
return
}
if err := outPeer.Connect(outConn); err != nil {
t.Errorf("TestPeerListeners: unexpected err %v\n", err)
return
}
for i := 0; i < 2; i++ {
select {
case <-verack:
case <-time.After(time.Second * 1):
t.Errorf("TestPeerListeners: verack timeout\n")
return
}
}
tests := []struct {
listener string
msg wire.Message
}{
{
"OnGetAddr",
wire.NewMsgGetAddr(),
},
{
"OnAddr",
wire.NewMsgAddr(),
},
{
"OnPing",
wire.NewMsgPing(42),
},
{
"OnPong",
wire.NewMsgPong(42),
},
{
"OnAlert",
wire.NewMsgAlert([]byte("payload"), []byte("signature")),
},
{
"OnMemPool",
wire.NewMsgMemPool(),
},
{
"OnTx",
wire.NewMsgTx(),
},
{
"OnBlock",
wire.NewMsgBlock(wire.NewBlockHeader(&wire.ShaHash{}, &wire.ShaHash{}, 1, 1)),
},
{
"OnInv",
wire.NewMsgInv(),
},
{
"OnHeaders",
wire.NewMsgHeaders(),
},
{
"OnNotFound",
wire.NewMsgNotFound(),
},
{
"OnGetData",
wire.NewMsgGetData(),
},
{
"OnGetBlocks",
wire.NewMsgGetBlocks(&wire.ShaHash{}),
},
{
"OnGetHeaders",
wire.NewMsgGetHeaders(),
},
{
"OnFilterAdd",
wire.NewMsgFilterAdd([]byte{0x01}),
},
{
"OnFilterClear",
wire.NewMsgFilterClear(),
},
{
"OnFilterLoad",
wire.NewMsgFilterLoad([]byte{0x01}, 10, 0, wire.BloomUpdateNone),
},
{
"OnMerkleBlock",
wire.NewMsgMerkleBlock(wire.NewBlockHeader(&wire.ShaHash{}, &wire.ShaHash{}, 1, 1)),
},
// only one version message is allowed
// only one verack message is allowed
{
"OnMsgReject",
wire.NewMsgReject("block", wire.RejectDuplicate, "dupe block"),
},
}
t.Logf("Running %d tests", len(tests))
for _, test := range tests {
// Queue the test message
outPeer.QueueMessage(test.msg, nil)
select {
case <-ok:
case <-time.After(time.Second * 1):
t.Errorf("TestPeerListeners: %s timeout", test.listener)
return
}
}
inPeer.Shutdown()
outPeer.Shutdown()
}
// TestPongWireErrors performs negative tests against wire encode and decode
// of MsgPong to confirm error paths work correctly.
func TestPongWireErrors(t *testing.T) {
pver := wire.ProtocolVersion
pverNoPong := wire.BIP0031Version
wireErr := &wire.MessageError{}
basePong := wire.NewMsgPong(123123) // 0x1e0f3
basePongEncoded := []byte{
0xf3, 0xe0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
}
tests := []struct {
in *wire.MsgPong // Value to encode
buf []byte // Wire encoding
pver uint32 // Protocol version for wire encoding
max int // Max size of fixed buffer to induce errors
writeErr error // Expected write error
readErr error // Expected read error
}{
// Latest protocol version with intentional read/write errors.
// Force error in nonce.
{basePong, basePongEncoded, pver, 0, io.ErrShortWrite, io.EOF},
// Force error due to unsupported protocol version.
{basePong, basePongEncoded, pverNoPong, 4, wireErr, wireErr},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Encode to wire format.
w := newFixedWriter(test.max)
err := test.in.BtcEncode(w, test.pver)
if reflect.TypeOf(err) != reflect.TypeOf(test.writeErr) {
t.Errorf("BtcEncode #%d wrong error got: %v, want: %v",
i, err, test.writeErr)
continue
}
// For errors which are not of type wire.MessageError, check
// them for equality.
if _, ok := err.(*wire.MessageError); !ok {
if err != test.writeErr {
t.Errorf("BtcEncode #%d wrong error got: %v, "+
"want: %v", i, err, test.writeErr)
continue
}
}
// Decode from wire format.
var msg wire.MsgPong
r := newFixedReader(test.max, test.buf)
err = msg.BtcDecode(r, test.pver)
if reflect.TypeOf(err) != reflect.TypeOf(test.readErr) {
t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
i, err, test.readErr)
continue
}
// For errors which are not of type wire.MessageError, check
// them for equality.
if _, ok := err.(*wire.MessageError); !ok {
if err != test.readErr {
t.Errorf("BtcDecode #%d wrong error got: %v, "+
"want: %v", i, err, test.readErr)
continue
}
}
}
}