// TestVerAckWire tests the MsgVerAck wire encode and decode for various
// protocol versions.
func TestVerAckWire(t *testing.T) {
msgVerAck := wire.NewMsgVerAck()
msgVerAckEncoded := []byte{}
tests := []struct {
in *wire.MsgVerAck // Message to encode
out *wire.MsgVerAck // Expected decoded message
buf []byte // Wire encoding
pver uint32 // Protocol version for wire encoding
}{
// Latest protocol version.
{
msgVerAck,
msgVerAck,
msgVerAckEncoded,
wire.ProtocolVersion,
},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Encode the message to wire format.
var buf bytes.Buffer
err := test.in.BtcEncode(&buf, test.pver)
if err != nil {
t.Errorf("BtcEncode #%d error %v", i, err)
continue
}
if !bytes.Equal(buf.Bytes(), test.buf) {
t.Errorf("BtcEncode #%d\n got: %s want: %s", i,
spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
continue
}
// Decode the message from wire format.
var msg wire.MsgVerAck
rbuf := bytes.NewReader(test.buf)
err = msg.BtcDecode(rbuf, test.pver)
if err != nil {
t.Errorf("BtcDecode #%d error %v", i, err)
continue
}
if !reflect.DeepEqual(&msg, test.out) {
t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
spew.Sdump(msg), spew.Sdump(test.out))
continue
}
}
}
// TestVerAck tests the MsgVerAck API.
func TestVerAck(t *testing.T) {
pver := wire.ProtocolVersion
// Ensure the command is expected value.
wantCmd := "verack"
msg := wire.NewMsgVerAck()
if cmd := msg.Command(); cmd != wantCmd {
t.Errorf("NewMsgVerAck: wrong command - got %v want %v",
cmd, wantCmd)
}
// Ensure max payload is expected value.
wantPayload := uint32(0)
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)
}
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(&chainhash.Hash{})
msgBlock := &testBlock
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(
int32(0), // Version
&chainhash.Hash{}, // PrevHash
&chainhash.Hash{}, // MerkleRoot
&chainhash.Hash{}, // StakeRoot
uint16(0x0000), // VoteBits
[6]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // FinalState
uint16(0x0000), // Voters
uint8(0x00), // FreshStake
uint8(0x00), // Revocations
uint32(0), // Poolsize
uint32(0x00000000), // Bits
int64(0x0000000000000000), // Sbits
uint32(0), // Height
uint32(0), // Size
uint32(0x00000000), // Nonce
[36]byte{}, // ExtraData
)
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
dcrnet wire.CurrencyNet // Network to use for wire encoding
bytes int // Expected num bytes read/written
}{
{msgVersion, msgVersion, pver, wire.MainNet, 125}, // [0]
{msgVerack, msgVerack, pver, wire.MainNet, 24}, // [1]
{msgGetAddr, msgGetAddr, pver, wire.MainNet, 24}, // [2]
{msgAddr, msgAddr, pver, wire.MainNet, 25}, // [3]
{msgGetBlocks, msgGetBlocks, pver, wire.MainNet, 61}, // [4]
{msgBlock, msgBlock, pver, wire.MainNet, 522}, // [5]
{msgInv, msgInv, pver, wire.MainNet, 25}, // [6]
{msgGetData, msgGetData, pver, wire.MainNet, 25}, // [7]
{msgNotFound, msgNotFound, pver, wire.MainNet, 25}, // [8]
{msgTx, msgTx, pver, wire.MainNet, 39}, // [9]
{msgPing, msgPing, pver, wire.MainNet, 32}, // [10]
{msgPong, msgPong, pver, wire.MainNet, 32}, // [11]
{msgGetHeaders, msgGetHeaders, pver, wire.MainNet, 61}, // [12]
{msgHeaders, msgHeaders, pver, wire.MainNet, 25}, // [13]
{msgAlert, msgAlert, pver, wire.MainNet, 42}, // [14]
{msgMemPool, msgMemPool, pver, wire.MainNet, 24}, // [15]
{msgFilterAdd, msgFilterAdd, pver, wire.MainNet, 26}, // [16]
{msgFilterClear, msgFilterClear, pver, wire.MainNet, 24}, // [17]
{msgFilterLoad, msgFilterLoad, pver, wire.MainNet, 35}, // [18]
{msgMerkleBlock, msgMerkleBlock, pver, wire.MainNet, 215}, // [19]
{msgReject, msgReject, pver, wire.MainNet, 79}, // [20]
}
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.dcrnet)
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.dcrnet)
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.dcrnet)
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.dcrnet)
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
}
}
}
// TestOutboundPeer tests that the outbound peer works as expected.
func TestOutboundPeer(t *testing.T) {
peerCfg := &peer.Config{
NewestBlock: func() (*chainhash.Hash, int64, error) {
return nil, 0, errors.New("newest block not found")
},
UserAgentName: "peer",
UserAgentVersion: "1.0",
ChainParams: &chaincfg.MainNetParams,
Services: 0,
}
r, w := io.Pipe()
c := &conn{raddr: "10.0.0.1:8333", Writer: w, Reader: r}
p, err := peer.NewOutboundPeer(peerCfg, "10.0.0.1:8333")
if err != nil {
t.Errorf("NewOutboundPeer: unexpected err - %v\n", err)
return
}
// Test trying to connect twice.
p.Connect(c)
p.Connect(c)
disconnected := make(chan struct{})
go func() {
p.WaitForDisconnect()
disconnected <- struct{}{}
}()
select {
case <-disconnected:
close(disconnected)
case <-time.After(time.Second):
t.Fatal("Peer did not automatically disconnect.")
}
if p.Connected() {
t.Fatalf("Should not be connected as NewestBlock produces error.")
}
// Test Queue Inv
fakeBlockHash := &chainhash.Hash{0: 0x00, 1: 0x01}
fakeInv := wire.NewInvVect(wire.InvTypeBlock, fakeBlockHash)
// Should be noops as the peer could not connect.
p.QueueInventory(fakeInv)
p.AddKnownInventory(fakeInv)
p.QueueInventory(fakeInv)
fakeMsg := wire.NewMsgVerAck()
p.QueueMessage(fakeMsg, nil)
done := make(chan struct{})
p.QueueMessage(fakeMsg, done)
<-done
p.Disconnect()
// Test NewestBlock
var newestBlock = func() (*chainhash.Hash, int64, error) {
hashStr := "14a0810ac680a3eb3f82edc878cea25ec41d6b790744e5daeef"
hash, err := chainhash.NewHashFromStr(hashStr)
if err != nil {
return nil, 0, err
}
return hash, 234439, nil
}
peerCfg.NewestBlock = newestBlock
r1, w1 := io.Pipe()
c1 := &conn{raddr: "10.0.0.1:8333", Writer: w1, Reader: r1}
p1, err := peer.NewOutboundPeer(peerCfg, "10.0.0.1:8333")
if err != nil {
t.Errorf("NewOutboundPeer: unexpected err - %v\n", err)
return
}
p1.Connect(c1)
// Test update latest block
latestBlockSha, err := chainhash.NewHashFromStr("1a63f9cdff1752e6375c8c76e543a71d239e1a2e5c6db1aa679")
if err != nil {
t.Errorf("NewShaHashFromStr: unexpected err %v\n", err)
return
}
p1.UpdateLastAnnouncedBlock(latestBlockSha)
p1.UpdateLastBlockHeight(234440)
if p1.LastAnnouncedBlock() != latestBlockSha {
t.Errorf("LastAnnouncedBlock: wrong block - got %v, want %v",
p1.LastAnnouncedBlock(), latestBlockSha)
return
}
// Test Queue Inv after connection
p1.QueueInventory(fakeInv)
p1.Disconnect()
// Test testnet
peerCfg.ChainParams = &chaincfg.TestNetParams
peerCfg.Services = wire.SFNodeBloom
r2, w2 := io.Pipe()
c2 := &conn{raddr: "10.0.0.1:8333", Writer: w2, Reader: r2}
p2, err := peer.NewOutboundPeer(peerCfg, "10.0.0.1:8333")
if err != nil {
t.Errorf("NewOutboundPeer: unexpected err - %v\n", err)
return
}
p2.Connect(c2)
// Test PushXXX
var addrs []*wire.NetAddress
for i := 0; i < 5; i++ {
na := wire.NetAddress{}
addrs = append(addrs, &na)
}
if _, err := p2.PushAddrMsg(addrs); err != nil {
t.Errorf("PushAddrMsg: unexpected err %v\n", err)
return
}
if err := p2.PushGetBlocksMsg(nil, &chainhash.Hash{}); err != nil {
t.Errorf("PushGetBlocksMsg: unexpected err %v\n", err)
return
}
if err := p2.PushGetHeadersMsg(nil, &chainhash.Hash{}); err != nil {
t.Errorf("PushGetHeadersMsg: unexpected err %v\n", err)
return
}
p2.PushRejectMsg("block", wire.RejectMalformed, "malformed", nil, false)
p2.PushRejectMsg("block", wire.RejectInvalid, "invalid", nil, false)
// Test Queue Messages
p2.QueueMessage(wire.NewMsgGetAddr(), nil)
p2.QueueMessage(wire.NewMsgPing(1), nil)
p2.QueueMessage(wire.NewMsgMemPool(), nil)
p2.QueueMessage(wire.NewMsgGetData(), nil)
p2.QueueMessage(wire.NewMsgGetHeaders(), nil)
p2.Disconnect()
}