Rename CFilterHeader to CFHeader on P2P side; fix some bugs/tests

peer/peer.go

@@ -123,6 +123,13 @@ type MessageListeners struct {
 	// OnBlock is invoked when a peer receives a block bitcoin message.
 	OnBlock func(p *Peer, msg *wire.MsgBlock, buf []byte)
 
+	// OnCFilter is invoked when a peer receives a cfilter bitcoin message.
+	OnCFilter func(p *Peer, msg *wire.MsgCFilter)
+
+	// OnCFHeader is invoked when a peer receives a cfheader bitcoin
+	// message.
+	OnCFHeader func(p *Peer, msg *wire.MsgCFHeader)
+
 	// OnInv is invoked when a peer receives an inv bitcoin message.
 	OnInv func(p *Peer, msg *wire.MsgInv)
 
@@ -148,9 +155,9 @@ type MessageListeners struct {
 	// message.
 	OnGetCFilter func(p *Peer, msg *wire.MsgGetCFilter)
 
-	// OnGetCFilterHeader is invoked when a peer receives a
+	// OnGetCFHeader is invoked when a peer receives a getcfheader
-	// getcfilterheader bitcoin message.
+	// bitcoin message.
-	OnGetCFilterHeader func(p *Peer, msg *wire.MsgGetCFilterHeader)
+	OnGetCFHeader func(p *Peer, msg *wire.MsgGetCFHeader)
 
 	// OnFeeFilter is invoked when a peer receives a feefilter bitcoin message.
 	OnFeeFilter func(p *Peer, msg *wire.MsgFeeFilter)
@@ -1592,9 +1599,19 @@ out:
 				p.cfg.Listeners.OnGetCFilter(p, msg)
 			}
 
-		case *wire.MsgGetCFilterHeader:
+		case *wire.MsgGetCFHeader:
-			if p.cfg.Listeners.OnGetCFilterHeader != nil {
+			if p.cfg.Listeners.OnGetCFHeader != nil {
-				p.cfg.Listeners.OnGetCFilterHeader(p, msg)
+				p.cfg.Listeners.OnGetCFHeader(p, msg)
+			}
+
+		case *wire.MsgCFilter:
+			if p.cfg.Listeners.OnCFilter != nil {
+				p.cfg.Listeners.OnCFilter(p, msg)
+			}
+
+		case *wire.MsgCFHeader:
+			if p.cfg.Listeners.OnCFHeader != nil {
+				p.cfg.Listeners.OnCFHeader(p, msg)
 			}
 
 		case *wire.MsgFeeFilter:

peer/peer_test.go

@@ -402,7 +402,13 @@ func TestPeerListeners(t *testing.T) {
 			OnGetCFilter: func(p *peer.Peer, msg *wire.MsgGetCFilter) {
 				ok <- msg
 			},
-			OnGetCFilterHeader: func(p *peer.Peer, msg *wire.MsgGetCFilterHeader) {
+			OnGetCFHeader: func(p *peer.Peer, msg *wire.MsgGetCFHeader) {
+				ok <- msg
+			},
+			OnCFilter: func(p *peer.Peer, msg *wire.MsgCFilter) {
+				ok <- msg
+			},
+			OnCFHeader: func(p *peer.Peer, msg *wire.MsgCFHeader) {
 				ok <- msg
 			},
 			OnFeeFilter: func(p *peer.Peer, msg *wire.MsgFeeFilter) {
@@ -530,11 +536,19 @@ func TestPeerListeners(t *testing.T) {
 		},
 		{
 			"OnGetCFilter",
-			wire.NewMsgGetCFilter(&chainhash.Hash{}),
+			wire.NewMsgGetCFilter(&chainhash.Hash{}, false),
 		},
 		{
-			"OnGetCFilterHeader",
+			"OnGetCFHeader",
-			wire.NewMsgGetCFilterHeader(&chainhash.Hash{}),
+			wire.NewMsgGetCFHeader(&chainhash.Hash{}, false),
+		},
+		{
+			"OnCFilter",
+			wire.NewMsgCFilter([]byte("payload")),
+		},
+		{
+			"OnCFHeader",
+			wire.NewMsgCFHeader([]byte("payload")),
 		},
 		{
 			"OnFeeFilter",

server.go

@@ -760,9 +760,8 @@ func (sp *serverPeer) OnGetCFilter(_ *peer.Peer, msg *wire.MsgGetCFilter) {
 	sp.QueueMessage(filterMsg, nil)
 }
 
-// OnGetCFilterHeader is invoked when a peer receives a getcfilterheader bitcoin
+// OnGetCFHeader is invoked when a peer receives a getcfheader bitcoin message.
-// message.
+func (sp *serverPeer) OnGetCFHeader(_ *peer.Peer, msg *wire.MsgGetCFHeader) {
-func (sp *serverPeer) OnGetCFilterHeader(_ *peer.Peer, msg *wire.MsgGetCFilterHeader) {
 	// Ignore getcfilterheader requests if not in sync.
 	if !sp.server.blockManager.IsCurrent() {
 		return
@@ -778,7 +777,7 @@ func (sp *serverPeer) OnGetCFilterHeader(_ *peer.Peer, msg *wire.MsgGetCFilterHe
 			msg.BlockHash, err)
 	}
 
-	headerMsg := wire.NewMsgCFilterHeader(headerBytes)
+	headerMsg := wire.NewMsgCFHeader(headerBytes)
 	sp.QueueMessage(headerMsg, nil)
 }
 
@@ -1630,7 +1629,7 @@ func newPeerConfig(sp *serverPeer) *peer.Config {
 			OnGetBlocks:   sp.OnGetBlocks,
 			OnGetHeaders:  sp.OnGetHeaders,
 			OnGetCFilter:  sp.OnGetCFilter,
-			OnGetCFilterHeader:  sp.OnGetCFilterHeader,
+			OnGetCFHeader: sp.OnGetCFHeader,
 			OnFeeFilter:   sp.OnFeeFilter,
 			OnFilterAdd:   sp.OnFilterAdd,
 			OnFilterClear: sp.OnFilterClear,

wire/message.go

@@ -52,9 +52,9 @@ const (
 	CmdSendHeaders = "sendheaders"
 	CmdFeeFilter   = "feefilter"
 	CmdGetCFilter  = "getcfilter"
-	CmdGetCFilterHeader  = "getcfilterheader"
+	CmdGetCFHeader = "getcfheader"
 	CmdCFilter     = "cfilter"
-	CmdCFilterHeader     = "cfilterheader"
+	CmdCFHeader    = "cfheader"
 )
 
 // MessageEncoding represents the wire message encoding format to be used.
@@ -163,14 +163,14 @@ func makeEmptyMessage(command string) (Message, error) {
 	case CmdGetCFilter:
 		msg = &MsgGetCFilter{}
 
-	case CmdGetCFilterHeader:
+	case CmdGetCFHeader:
-		msg = &MsgGetCFilterHeader{}
+		msg = &MsgGetCFHeader{}
 
 	case CmdCFilter:
 		msg = &MsgCFilter{}
 
-	case CmdCFilterHeader:
+	case CmdCFHeader:
-		msg = &MsgCFilterHeader{}
+		msg = &MsgCFHeader{}
 
 	default:
 		return nil, fmt.Errorf("unhandled command [%s]", command)

wire/message_test.go

@@ -69,6 +69,10 @@ func TestMessage(t *testing.T) {
 	bh := NewBlockHeader(1, &chainhash.Hash{}, &chainhash.Hash{}, 0, 0)
 	msgMerkleBlock := NewMsgMerkleBlock(bh)
 	msgReject := NewMsgReject("block", RejectDuplicate, "duplicate block")
+	msgGetCFilter := NewMsgGetCFilter(&chainhash.Hash{}, false)
+	msgGetCFHeader := NewMsgGetCFHeader(&chainhash.Hash{}, false)
+	msgCFilter := NewMsgCFilter([]byte("payload"))
+	msgCFHeader := NewMsgCFHeader([]byte("payload"))
 
 	tests := []struct {
 		in     Message    // Value to encode
@@ -98,6 +102,10 @@ func TestMessage(t *testing.T) {
 		{msgFilterLoad, msgFilterLoad, pver, MainNet, 35},
 		{msgMerkleBlock, msgMerkleBlock, pver, MainNet, 110},
 		{msgReject, msgReject, pver, MainNet, 79},
+		{msgGetCFilter, msgGetCFilter, pver, MainNet, 57},
+		{msgGetCFHeader, msgGetCFHeader, pver, MainNet, 57},
+		{msgCFilter, msgCFilter, pver, MainNet, 32},
+		{msgCFHeader, msgCFHeader, pver, MainNet, 32},
 	}
 
 	t.Logf("Running %d tests", len(tests))

wire/msgcfheader.go

@@ -6,36 +6,38 @@ package wire
 
 import (
 	"fmt"
-	"github.com/btcsuite/fastsha256"
 	"io"
+
+	"github.com/btcsuite/fastsha256"
 )
 
 const (
-	// MaxCFilterHeaderDataSize is the maximum byte size of a committed
+	// MaxCFHeaderDataSize is the maximum byte size of a committed
 	// filter header.
-	MaxCFilterHeaderDataSize = fastsha256.Size
+	MaxCFHeaderDataSize = fastsha256.Size
 )
-type MsgCFilterHeader struct {
+
+type MsgCFHeader struct {
 	Data []byte
 }
 
 // BtcDecode decodes r using the bitcoin protocol encoding into the receiver.
 // This is part of the Message interface implementation.
-func (msg *MsgCFilterHeader) BtcDecode(r io.Reader, pver uint32) error {
+func (msg *MsgCFHeader) BtcDecode(r io.Reader, pver uint32) error {
 	var err error
-	msg.Data, err = ReadVarBytes(r, pver, MaxCFilterHeaderDataSize,
+	msg.Data, err = ReadVarBytes(r, pver, MaxCFHeaderDataSize,
 		"cf header data")
 	return err
 }
 
 // BtcEncode encodes the receiver to w using the bitcoin protocol encoding.
 // This is part of the Message interface implementation.
-func (msg *MsgCFilterHeader) BtcEncode(w io.Writer, pver uint32) error {
+func (msg *MsgCFHeader) BtcEncode(w io.Writer, pver uint32) error {
 	size := len(msg.Data)
-	if size > MaxCFilterHeaderDataSize {
+	if size > MaxCFHeaderDataSize {
-		str := fmt.Sprintf("cf header size too large for message " +
+		str := fmt.Sprintf("cf header size too large for message "+
-			"[size %v, max %v]", size, MaxCFilterHeaderDataSize)
+			"[size %v, max %v]", size, MaxCFHeaderDataSize)
-		return messageError("MsgCFilterHeader.BtcEncode", str)
+		return messageError("MsgCFHeader.BtcEncode", str)
 	}
 
 	return WriteVarBytes(w, pver, msg.Data)
@@ -50,7 +52,7 @@ func (msg *MsgCFilterHeader) BtcEncode(w io.Writer, pver uint32) error {
 // this comment was written, the encoded filter header is the same in both
 // instances, but there is a distinct difference and separating the two allows
 // the API to be flexible enough to deal with changes.
-func (msg *MsgCFilterHeader) Deserialize(r io.Reader) error {
+func (msg *MsgCFHeader) Deserialize(r io.Reader) error {
 	// At the current time, there is no difference between the wire encoding
 	// and the stable long-term storage format.  As a result, make use of
 	// BtcDecode.
@@ -59,21 +61,21 @@ func (msg *MsgCFilterHeader) Deserialize(r io.Reader) error {
 
 // Command returns the protocol command string for the message.  This is part
 // of the Message interface implementation.
-func (msg *MsgCFilterHeader) Command() string {
+func (msg *MsgCFHeader) Command() string {
-	return CmdCFilterHeader
+	return CmdCFHeader
 }
 
 // MaxPayloadLength returns the maximum length the payload can be for the
 // receiver.  This is part of the Message interface implementation.
-func (msg *MsgCFilterHeader) MaxPayloadLength(pver uint32) uint32 {
+func (msg *MsgCFHeader) MaxPayloadLength(pver uint32) uint32 {
-	return uint32(VarIntSerializeSize(MaxCFilterHeaderDataSize)) +
+	return uint32(VarIntSerializeSize(MaxCFHeaderDataSize)) +
-		MaxCFilterHeaderDataSize
+		MaxCFHeaderDataSize
 }
 
-// NewMsgFilterAdd returns a new bitcoin cfilterheader message that conforms to
+// NewMsgCFHeader returns a new bitcoin cfheader message that conforms to
-// the Message interface. See MsgCFilterHeader for details.
+// the Message interface. See MsgCFHeader for details.
-func NewMsgCFilterHeader(data []byte) *MsgCFilterHeader {
+func NewMsgCFHeader(data []byte) *MsgCFHeader {
-	return &MsgCFilterHeader{
+	return &MsgCFHeader{
 		Data: data,
 	}
 }

wire/msggetcfheader.go

@@ -0,0 +1,57 @@
+// Copyright (c) 2017 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 (
+	"io"
+
+	"github.com/btcsuite/btcd/chaincfg/chainhash"
+)
+
+type MsgGetCFHeader struct {
+	BlockHash chainhash.Hash
+	Extended  bool
+}
+
+func (msg *MsgGetCFHeader) BtcDecode(r io.Reader, pver uint32) error {
+	err := readElement(r, &msg.BlockHash)
+	if err != nil {
+		return err
+	}
+	return readElement(r, &msg.Extended)
+}
+
+// BtcEncode encodes the receiver to w using the bitcoin protocol encoding.
+// This is part of the Message interface implementation.
+func (msg *MsgGetCFHeader) BtcEncode(w io.Writer, pver uint32) error {
+	err := writeElement(w, &msg.BlockHash)
+	if err != nil {
+		return err
+	}
+	return writeElement(w, msg.Extended)
+}
+
+// Command returns the protocol command string for the message.  This is part
+// of the Message interface implementation.
+func (msg *MsgGetCFHeader) Command() string {
+	return CmdGetCFHeader
+}
+
+// MaxPayloadLength returns the maximum length the payload can be for the
+// receiver.  This is part of the Message interface implementation.
+func (msg *MsgGetCFHeader) MaxPayloadLength(pver uint32) uint32 {
+	// Block hash + Extended flag.
+	return chainhash.HashSize + 1
+}
+
+// NewMsgGetCFHeader returns a new bitcoin getcfheader message that conforms to
+// the Message interface using the passed parameters and defaults for the
+// remaining fields.
+func NewMsgGetCFHeader(blockHash *chainhash.Hash, extended bool) *MsgGetCFHeader {
+	return &MsgGetCFHeader{
+		BlockHash: *blockHash,
+		Extended:  extended,
+	}
+}

wire/msggetcfilter.go

@@ -11,7 +11,6 @@ import (
 )
 
 type MsgGetCFilter struct {
-	ProtocolVersion    uint32
 	BlockHash chainhash.Hash
 	Extended  bool
 }
@@ -31,7 +30,7 @@ func (msg *MsgGetCFilter) BtcEncode(w io.Writer, pver uint32) error {
 	if err != nil {
 		return err
 	}
-	return writeElement(w, &msg.Extended)
+	return writeElement(w, msg.Extended)
 }
 
 // Command returns the protocol command string for the message.  This is part
@@ -43,8 +42,8 @@ func (msg *MsgGetCFilter) Command() string {
 // MaxPayloadLength returns the maximum length the payload can be for the
 // receiver.  This is part of the Message interface implementation.
 func (msg *MsgGetCFilter) MaxPayloadLength(pver uint32) uint32 {
-	// Protocol version 4 bytes + block hash + Extended flag.
+	// Block hash + Extended flag.
-	return 4 + chainhash.HashSize + 1
+	return chainhash.HashSize + 1
 }
 
 // NewMsgGetCFilter returns a new bitcoin getcfilter message that conforms to
@@ -52,7 +51,6 @@ func (msg *MsgGetCFilter) MaxPayloadLength(pver uint32) uint32 {
 // remaining fields.
 func NewMsgGetCFilter(blockHash *chainhash.Hash, extended bool) *MsgGetCFilter {
 	return &MsgGetCFilter{
-		ProtocolVersion:     ProtocolVersion,
 		BlockHash: *blockHash,
 		Extended:  extended,
 	}

wire/msggetcfilterheader.go

@@ -1,59 +0,0 @@
-// Copyright (c) 2017 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 (
-	"io"
-
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-)
-
-type MsgGetCFilterHeader struct {
-	ProtocolVersion    uint32
-	BlockHash          chainhash.Hash
-	Extended           bool
-}
-
-func (msg *MsgGetCFilterHeader) BtcDecode(r io.Reader, pver uint32) error {
-	err := readElement(r, &msg.BlockHash)
-	if err != nil {
-		return err
-	}
-	return readElement(r, &msg.Extended)
-}
-
-// BtcEncode encodes the receiver to w using the bitcoin protocol encoding.
-// This is part of the Message interface implementation.
-func (msg *MsgGetCFilterHeader) BtcEncode(w io.Writer, pver uint32) error {
-	err := writeElement(w, &msg.BlockHash)
-	if err != nil {
-		return err
-	}
-	return writeElement(w, &msg.Extended)
-}
-
-// Command returns the protocol command string for the message.  This is part
-// of the Message interface implementation.
-func (msg *MsgGetCFilterHeader) Command() string {
-	return CmdGetCFilterHeader
-}
-
-// MaxPayloadLength returns the maximum length the payload can be for the
-// receiver.  This is part of the Message interface implementation.
-func (msg *MsgGetCFilterHeader) MaxPayloadLength(pver uint32) uint32 {
-	// Protocol version 4 bytes + block hash + Extended flag.
-	return 4 + chainhash.HashSize + 1
-}
-
-// NewMsgGetCFilterHeader returns a new bitcoin getcfilterheader message that
-// conforms to the Message interface using the passed parameters and defaults
-// for the remaining fields.
-func NewMsgGetCFilterHeader(blockHash *chainhash.Hash, extended bool) *MsgGetCFilterHeader {
-	return &MsgGetCFilterHeader{
-		ProtocolVersion:     ProtocolVersion,
-		BlockHash:          *blockHash,
-		Extended:            extended,
-	}
-}