+++ /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"
- "reflect"
- "testing"
-
- "github.com/btcsuite/btcd/chaincfg/chainhash"
- "github.com/davecgh/go-spew/spew"
-)
-
-// TestGetData tests the MsgGetData API.
-func TestGetData(t *testing.T) {
- pver := ProtocolVersion
-
- // Ensure the command is expected value.
- wantCmd := "getdata"
- msg := NewMsgGetData()
- if cmd := msg.Command(); cmd != wantCmd {
- t.Errorf("NewMsgGetData: wrong command - got %v want %v",
- cmd, wantCmd)
- }
-
- // Ensure max payload is expected value for latest protocol version.
- // Num inventory vectors (varInt) + max allowed inventory vectors.
- wantPayload := uint32(1800009)
- 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 inventory vectors are added properly.
- hash := chainhash.Hash{}
- iv := NewInvVect(InvTypeBlock, &hash)
- err := msg.AddInvVect(iv)
- if err != nil {
- t.Errorf("AddInvVect: %v", err)
- }
- if msg.InvList[0] != iv {
- t.Errorf("AddInvVect: wrong invvect added - got %v, want %v",
- spew.Sprint(msg.InvList[0]), spew.Sprint(iv))
- }
-
- // Ensure adding more than the max allowed inventory vectors per
- // message returns an error.
- for i := 0; i < MaxInvPerMsg; i++ {
- err = msg.AddInvVect(iv)
- }
- if err == nil {
- t.Errorf("AddInvVect: expected error on too many inventory " +
- "vectors not received")
- }
-
- // Ensure creating the message with a size hint larger than the max
- // works as expected.
- msg = NewMsgGetDataSizeHint(MaxInvPerMsg + 1)
- wantCap := MaxInvPerMsg
- if cap(msg.InvList) != wantCap {
- t.Errorf("NewMsgGetDataSizeHint: wrong cap for size hint - "+
- "got %v, want %v", cap(msg.InvList), wantCap)
- }
-}
-
-// TestGetDataWire tests the MsgGetData wire encode and decode for various
-// numbers of inventory vectors and protocol versions.
-func TestGetDataWire(t *testing.T) {
- // Block 203707 hash.
- hashStr := "3264bc2ac36a60840790ba1d475d01367e7c723da941069e9dc"
- blockHash, err := chainhash.NewHashFromStr(hashStr)
- if err != nil {
- t.Errorf("NewHashFromStr: %v", err)
- }
-
- // Transation 1 of Block 203707 hash.
- hashStr = "d28a3dc7392bf00a9855ee93dd9a81eff82a2c4fe57fbd42cfe71b487accfaf0"
- txHash, err := chainhash.NewHashFromStr(hashStr)
- if err != nil {
- t.Errorf("NewHashFromStr: %v", err)
- }
-
- iv := NewInvVect(InvTypeBlock, blockHash)
- iv2 := NewInvVect(InvTypeTx, txHash)
-
- // Empty MsgGetData message.
- NoInv := NewMsgGetData()
- NoInvEncoded := []byte{
- 0x00, // Varint for number of inventory vectors
- }
-
- // MsgGetData message with multiple inventory vectors.
- MultiInv := NewMsgGetData()
- MultiInv.AddInvVect(iv)
- MultiInv.AddInvVect(iv2)
- MultiInvEncoded := []byte{
- 0x02, // Varint for number of inv vectors
- 0x02, 0x00, 0x00, 0x00, // InvTypeBlock
- 0xdc, 0xe9, 0x69, 0x10, 0x94, 0xda, 0x23, 0xc7,
- 0xe7, 0x67, 0x13, 0xd0, 0x75, 0xd4, 0xa1, 0x0b,
- 0x79, 0x40, 0x08, 0xa6, 0x36, 0xac, 0xc2, 0x4b,
- 0x26, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Block 203707 hash
- 0x01, 0x00, 0x00, 0x00, // InvTypeTx
- 0xf0, 0xfa, 0xcc, 0x7a, 0x48, 0x1b, 0xe7, 0xcf,
- 0x42, 0xbd, 0x7f, 0xe5, 0x4f, 0x2c, 0x2a, 0xf8,
- 0xef, 0x81, 0x9a, 0xdd, 0x93, 0xee, 0x55, 0x98,
- 0x0a, 0xf0, 0x2b, 0x39, 0xc7, 0x3d, 0x8a, 0xd2, // Tx 1 of block 203707 hash
- }
-
- tests := []struct {
- in *MsgGetData // Message to encode
- out *MsgGetData // Expected decoded message
- buf []byte // Wire encoding
- pver uint32 // Protocol version for wire encoding
- enc MessageEncoding // Message encoding format
- }{
- // Latest protocol version with no inv vectors.
- {
- NoInv,
- NoInv,
- NoInvEncoded,
- ProtocolVersion,
- BaseEncoding,
- },
-
- // Latest protocol version with multiple inv vectors.
- {
- MultiInv,
- MultiInv,
- MultiInvEncoded,
- ProtocolVersion,
- BaseEncoding,
- },
-
- // Protocol version BIP0035Version no inv vectors.
- {
- NoInv,
- NoInv,
- NoInvEncoded,
- BIP0035Version,
- BaseEncoding,
- },
-
- // Protocol version BIP0035Version with multiple inv vectors.
- {
- MultiInv,
- MultiInv,
- MultiInvEncoded,
- BIP0035Version,
- BaseEncoding,
- },
-
- // Protocol version BIP0031Version no inv vectors.
- {
- NoInv,
- NoInv,
- NoInvEncoded,
- BIP0031Version,
- BaseEncoding,
- },
-
- // Protocol version BIP0031Version with multiple inv vectors.
- {
- MultiInv,
- MultiInv,
- MultiInvEncoded,
- BIP0031Version,
- BaseEncoding,
- },
-
- // Protocol version NetAddressTimeVersion no inv vectors.
- {
- NoInv,
- NoInv,
- NoInvEncoded,
- NetAddressTimeVersion,
- BaseEncoding,
- },
-
- // Protocol version NetAddressTimeVersion with multiple inv vectors.
- {
- MultiInv,
- MultiInv,
- MultiInvEncoded,
- NetAddressTimeVersion,
- BaseEncoding,
- },
-
- // Protocol version MultipleAddressVersion no inv vectors.
- {
- NoInv,
- NoInv,
- NoInvEncoded,
- MultipleAddressVersion,
- BaseEncoding,
- },
-
- // Protocol version MultipleAddressVersion with multiple inv vectors.
- {
- MultiInv,
- MultiInv,
- MultiInvEncoded,
- MultipleAddressVersion,
- 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 MsgGetData
- 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
- }
- }
-}
-
-// TestGetDataWireErrors performs negative tests against wire encode and decode
-// of MsgGetData to confirm error paths work correctly.
-func TestGetDataWireErrors(t *testing.T) {
- pver := ProtocolVersion
- wireErr := &MessageError{}
-
- // Block 203707 hash.
- hashStr := "3264bc2ac36a60840790ba1d475d01367e7c723da941069e9dc"
- blockHash, err := chainhash.NewHashFromStr(hashStr)
- if err != nil {
- t.Errorf("NewHashFromStr: %v", err)
- }
-
- iv := NewInvVect(InvTypeBlock, blockHash)
-
- // Base message used to induce errors.
- baseGetData := NewMsgGetData()
- baseGetData.AddInvVect(iv)
- baseGetDataEncoded := []byte{
- 0x02, // Varint for number of inv vectors
- 0x02, 0x00, 0x00, 0x00, // InvTypeBlock
- 0xdc, 0xe9, 0x69, 0x10, 0x94, 0xda, 0x23, 0xc7,
- 0xe7, 0x67, 0x13, 0xd0, 0x75, 0xd4, 0xa1, 0x0b,
- 0x79, 0x40, 0x08, 0xa6, 0x36, 0xac, 0xc2, 0x4b,
- 0x26, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Block 203707 hash
- }
-
- // Message that forces an error by having more than the max allowed inv
- // vectors.
- maxGetData := NewMsgGetData()
- for i := 0; i < MaxInvPerMsg; i++ {
- maxGetData.AddInvVect(iv)
- }
- maxGetData.InvList = append(maxGetData.InvList, iv)
- maxGetDataEncoded := []byte{
- 0xfd, 0x51, 0xc3, // Varint for number of inv vectors (50001)
- }
-
- tests := []struct {
- in *MsgGetData // 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 inventory vector count
- {baseGetData, baseGetDataEncoded, pver, BaseEncoding, 0, io.ErrShortWrite, io.EOF},
- // Force error in inventory list.
- {baseGetData, baseGetDataEncoded, pver, BaseEncoding, 1, io.ErrShortWrite, io.EOF},
- // Force error with greater than max inventory vectors.
- {maxGetData, maxGetDataEncoded, pver, 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 MsgGetData
- 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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