lbcd/msgfilterclear.go
Dave Collins f8ec476691 Complete BIP0037 support started by dhill.
- Correct MsgFilterLoad max payload
- Enforce max flag bytes per merkle block
- Improve and finish tests to include testing all error paths
- Add fast paths for BloomUpdateType
- Convert all byte fields to use read/writeVarBytes
- Style and consistency updates
- README.md and doc.go updates

Closes #12.
2014-05-07 23:57:55 -05:00

59 lines
1.8 KiB
Go

// Copyright (c) 2014 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package btcwire
import (
"fmt"
"io"
)
// MsgFilterClear implements the Message interface and represents a bitcoin
// filterclear message which is used to reset a Bloom filter.
//
// This message was not added until protocol version BIP0037Version and has
// no payload.
type MsgFilterClear struct{}
// BtcDecode decodes r using the bitcoin protocol encoding into the receiver.
// This is part of the Message interface implementation.
func (msg *MsgFilterClear) BtcDecode(r io.Reader, pver uint32) error {
if pver < BIP0037Version {
str := fmt.Sprintf("filterclear message invalid for protocol "+
"version %d", pver)
return messageError("MsgFilterClear.BtcDecode", str)
}
return nil
}
// BtcEncode encodes the receiver to w using the bitcoin protocol encoding.
// This is part of the Message interface implementation.
func (msg *MsgFilterClear) BtcEncode(w io.Writer, pver uint32) error {
if pver < BIP0037Version {
str := fmt.Sprintf("filterclear message invalid for protocol "+
"version %d", pver)
return messageError("MsgFilterClear.BtcEncode", str)
}
return nil
}
// Command returns the protocol command string for the message. This is part
// of the Message interface implementation.
func (msg *MsgFilterClear) Command() string {
return cmdFilterClear
}
// MaxPayloadLength returns the maximum length the payload can be for the
// receiver. This is part of the Message interface implementation.
func (msg *MsgFilterClear) MaxPayloadLength(pver uint32) uint32 {
return 0
}
// NewMsgFilterClear returns a new bitcoin filterclear message that conforms to the Message
// interface. See MsgFilterClear for details.
func NewMsgFilterClear() *MsgFilterClear {
return &MsgFilterClear{}
}