+++ /dev/null
-// Copyright (c) 2013-2016 The btcsuite developers
-// Use of this source code is governed by an ISC
-// license that can be found in the LICENSE file.
-
-package wire
-
-import (
- "bytes"
- "io"
- "net"
- "reflect"
- "testing"
- "time"
-
- "github.com/davecgh/go-spew/spew"
-)
-
-// TestAddr tests the MsgAddr API.
-func TestAddr(t *testing.T) {
- pver := ProtocolVersion
-
- // Ensure the command is expected value.
- wantCmd := "addr"
- msg := NewMsgAddr()
- if cmd := msg.Command(); cmd != wantCmd {
- t.Errorf("NewMsgAddr: wrong command - got %v want %v",
- cmd, wantCmd)
- }
-
- // Ensure max payload is expected value for latest protocol version.
- // Num addresses (varInt) + max allowed addresses.
- wantPayload := uint32(30009)
- 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)
- }
-
- // Ensure NetAddresses are added properly.
- tcpAddr := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8333}
- na := NewNetAddress(tcpAddr, SFNodeNetwork)
- err := msg.AddAddress(na)
- if err != nil {
- t.Errorf("AddAddress: %v", err)
- }
- if msg.AddrList[0] != na {
- t.Errorf("AddAddress: wrong address added - got %v, want %v",
- spew.Sprint(msg.AddrList[0]), spew.Sprint(na))
- }
-
- // Ensure the address list is cleared properly.
- msg.ClearAddresses()
- if len(msg.AddrList) != 0 {
- t.Errorf("ClearAddresses: address list is not empty - "+
- "got %v [%v], want %v", len(msg.AddrList),
- spew.Sprint(msg.AddrList[0]), 0)
- }
-
- // Ensure adding more than the max allowed addresses per message returns
- // error.
- for i := 0; i < MaxAddrPerMsg+1; i++ {
- err = msg.AddAddress(na)
- }
- if err == nil {
- t.Errorf("AddAddress: expected error on too many addresses " +
- "not received")
- }
- err = msg.AddAddresses(na)
- if err == nil {
- t.Errorf("AddAddresses: expected error on too many addresses " +
- "not received")
- }
-
- // Ensure max payload is expected value for protocol versions before
- // timestamp was added to NetAddress.
- // Num addresses (varInt) + max allowed addresses.
- pver = NetAddressTimeVersion - 1
- wantPayload = uint32(26009)
- 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)
- }
-
- // Ensure max payload is expected value for protocol versions before
- // multiple addresses were allowed.
- // Num addresses (varInt) + a single net addresses.
- pver = MultipleAddressVersion - 1
- wantPayload = uint32(35)
- 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)
- }
-}
-
-// TestAddrWire tests the MsgAddr wire encode and decode for various numbers
-// of addresses and protocol versions.
-func TestAddrWire(t *testing.T) {
- // A couple of NetAddresses to use for testing.
- na := &NetAddress{
- Timestamp: time.Unix(0x495fab29, 0), // 2009-01-03 12:15:05 -0600 CST
- Services: SFNodeNetwork,
- IP: net.ParseIP("127.0.0.1"),
- Port: 8333,
- }
- na2 := &NetAddress{
- Timestamp: time.Unix(0x495fab29, 0), // 2009-01-03 12:15:05 -0600 CST
- Services: SFNodeNetwork,
- IP: net.ParseIP("192.168.0.1"),
- Port: 8334,
- }
-
- // Empty address message.
- noAddr := NewMsgAddr()
- noAddrEncoded := []byte{
- 0x00, // Varint for number of addresses
- }
-
- // Address message with multiple addresses.
- multiAddr := NewMsgAddr()
- multiAddr.AddAddresses(na, na2)
- multiAddrEncoded := []byte{
- 0x02, // Varint for number of addresses
- 0x29, 0xab, 0x5f, 0x49, // Timestamp
- 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SFNodeNetwork
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x01, // IP 127.0.0.1
- 0x20, 0x8d, // Port 8333 in big-endian
- 0x29, 0xab, 0x5f, 0x49, // Timestamp
- 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SFNodeNetwork
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xff, 0xff, 0xc0, 0xa8, 0x00, 0x01, // IP 192.168.0.1
- 0x20, 0x8e, // Port 8334 in big-endian
-
- }
-
- tests := []struct {
- in *MsgAddr // Message to encode
- out *MsgAddr // Expected decoded message
- buf []byte // Wire encoding
- pver uint32 // Protocol version for wire encoding
- enc MessageEncoding // Message encoding format
- }{
- // Latest protocol version with no addresses.
- {
- noAddr,
- noAddr,
- noAddrEncoded,
- ProtocolVersion,
- BaseEncoding,
- },
-
- // Latest protocol version with multiple addresses.
- {
- multiAddr,
- multiAddr,
- multiAddrEncoded,
- ProtocolVersion,
- BaseEncoding,
- },
-
- // Protocol version MultipleAddressVersion-1 with no addresses.
- {
- noAddr,
- noAddr,
- noAddrEncoded,
- MultipleAddressVersion - 1,
- BaseEncoding,
- },
- }
-
- 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, test.enc)
- 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 MsgAddr
- rbuf := bytes.NewReader(test.buf)
- err = msg.BtcDecode(rbuf, test.pver, test.enc)
- 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
- }
- }
-}
-
-// TestAddrWireErrors performs negative tests against wire encode and decode
-// of MsgAddr to confirm error paths work correctly.
-func TestAddrWireErrors(t *testing.T) {
- pver := ProtocolVersion
- pverMA := MultipleAddressVersion
- wireErr := &MessageError{}
-
- // A couple of NetAddresses to use for testing.
- na := &NetAddress{
- Timestamp: time.Unix(0x495fab29, 0), // 2009-01-03 12:15:05 -0600 CST
- Services: SFNodeNetwork,
- IP: net.ParseIP("127.0.0.1"),
- Port: 8333,
- }
- na2 := &NetAddress{
- Timestamp: time.Unix(0x495fab29, 0), // 2009-01-03 12:15:05 -0600 CST
- Services: SFNodeNetwork,
- IP: net.ParseIP("192.168.0.1"),
- Port: 8334,
- }
-
- // Address message with multiple addresses.
- baseAddr := NewMsgAddr()
- baseAddr.AddAddresses(na, na2)
- baseAddrEncoded := []byte{
- 0x02, // Varint for number of addresses
- 0x29, 0xab, 0x5f, 0x49, // Timestamp
- 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SFNodeNetwork
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x01, // IP 127.0.0.1
- 0x20, 0x8d, // Port 8333 in big-endian
- 0x29, 0xab, 0x5f, 0x49, // Timestamp
- 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SFNodeNetwork
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xff, 0xff, 0xc0, 0xa8, 0x00, 0x01, // IP 192.168.0.1
- 0x20, 0x8e, // Port 8334 in big-endian
-
- }
-
- // Message that forces an error by having more than the max allowed
- // addresses.
- maxAddr := NewMsgAddr()
- for i := 0; i < MaxAddrPerMsg; i++ {
- maxAddr.AddAddress(na)
- }
- maxAddr.AddrList = append(maxAddr.AddrList, na)
- maxAddrEncoded := []byte{
- 0xfd, 0x03, 0xe9, // Varint for number of addresses (1001)
- }
-
- tests := []struct {
- in *MsgAddr // Value to encode
- buf []byte // Wire encoding
- pver uint32 // Protocol version for wire encoding
- enc MessageEncoding // Message encoding format
- 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 addresses count
- {baseAddr, baseAddrEncoded, pver, BaseEncoding, 0, io.ErrShortWrite, io.EOF},
- // Force error in address list.
- {baseAddr, baseAddrEncoded, pver, BaseEncoding, 1, io.ErrShortWrite, io.EOF},
- // Force error with greater than max inventory vectors.
- {maxAddr, maxAddrEncoded, pver, BaseEncoding, 3, wireErr, wireErr},
- // Force error with greater than max inventory vectors for
- // protocol versions before multiple addresses were allowed.
- {maxAddr, maxAddrEncoded, pverMA - 1, BaseEncoding, 3, 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, test.enc)
- 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 MessageError, check them for
- // equality.
- if _, ok := err.(*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 MsgAddr
- r := newFixedReader(test.max, test.buf)
- err = msg.BtcDecode(r, test.pver, test.enc)
- 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 MessageError, check them for
- // equality.
- if _, ok := err.(*MessageError); !ok {
- if err != test.readErr {
- t.Errorf("BtcDecode #%d wrong error got: %v, "+
- "want: %v", i, err, test.readErr)
- continue
- }
- }
-
- }
-}
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