49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
// 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 (
|
|
"io"
|
|
|
|
"github.com/btcsuite/btcd/chaincfg/chainhash"
|
|
)
|
|
|
|
type MsgGetCFilter struct {
|
|
ProtocolVersion uint32
|
|
BlockHash chainhash.Hash
|
|
}
|
|
|
|
func (msg *MsgGetCFilter) BtcDecode(r io.Reader, pver uint32) error {
|
|
return readElement(r, &msg.BlockHash)
|
|
}
|
|
|
|
// BtcEncode encodes the receiver to w using the bitcoin protocol encoding.
|
|
// This is part of the Message interface implementation.
|
|
func (msg *MsgGetCFilter) BtcEncode(w io.Writer, pver uint32) error {
|
|
return writeElement(w, &msg.BlockHash)
|
|
}
|
|
|
|
// Command returns the protocol command string for the message. This is part
|
|
// of the Message interface implementation.
|
|
func (msg *MsgGetCFilter) Command() string {
|
|
return CmdGetCFilter
|
|
}
|
|
|
|
// 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.
|
|
return 4 + chainhash.HashSize
|
|
}
|
|
|
|
// NewMsgGetCFilter returns a new bitcoin getblocks message that conforms to
|
|
// the Message interface using the passed parameters and defaults for the
|
|
// remaining fields.
|
|
func NewMsgGetCFilter(blockHash *chainhash.Hash) *MsgGetCFilter {
|
|
return &MsgGetCFilter{
|
|
ProtocolVersion: ProtocolVersion,
|
|
BlockHash: *blockHash,
|
|
}
|
|
}
|