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60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
// Copyright (c) 2014-2015 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package wire
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import (
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"fmt"
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"io"
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)
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// MsgFilterClear implements the Message interface and represents a bitcoin
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// filterclear message which is used to reset a Bloom filter.
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//
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// This message was not added until protocol version BIP0037Version and has
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// no payload.
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type MsgFilterClear struct{}
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// BtcDecode decodes r using the bitcoin protocol encoding into the receiver.
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// This is part of the Message interface implementation.
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func (msg *MsgFilterClear) BtcDecode(r io.Reader, pver uint32, enc MessageEncoding) error {
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if pver < BIP0037Version {
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str := fmt.Sprintf("filterclear message invalid for protocol "+
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"version %d", pver)
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return messageError("MsgFilterClear.BtcDecode", str)
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}
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return nil
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}
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// BtcEncode encodes the receiver to w using the bitcoin protocol encoding.
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// This is part of the Message interface implementation.
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func (msg *MsgFilterClear) BtcEncode(w io.Writer, pver uint32, enc MessageEncoding) error {
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if pver < BIP0037Version {
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str := fmt.Sprintf("filterclear message invalid for protocol "+
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"version %d", pver)
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return messageError("MsgFilterClear.BtcEncode", str)
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}
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return nil
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}
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// Command returns the protocol command string for the message. This is part
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// of the Message interface implementation.
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func (msg *MsgFilterClear) Command() string {
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return CmdFilterClear
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}
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// MaxPayloadLength returns the maximum length the payload can be for the
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// receiver. This is part of the Message interface implementation.
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func (msg *MsgFilterClear) MaxPayloadLength(pver uint32) uint32 {
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return 0
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}
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// NewMsgFilterClear returns a new bitcoin filterclear message that conforms to the Message
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// interface. See MsgFilterClear for details.
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func NewMsgFilterClear() *MsgFilterClear {
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return &MsgFilterClear{}
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}
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