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msgmempool.go
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/
msgmempool.go
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package wire
import (
"fmt"
"io"
)
// MsgMemPool implements the Message interface and represents a bitcoin mempool message. It is used to request a list of
// transactions still in the active memory pool of a relay. This message has no payload and was not added until protocol
// versions starting with BIP0035Version.
type MsgMemPool struct{}
// BtcDecode decodes r using the bitcoin protocol encoding into the receiver. This is part of the Message interface
// implementation.
func (msg *MsgMemPool) BtcDecode(
r io.Reader,
pver uint32,
enc MessageEncoding,
) (e error) {
if pver < BIP0035Version {
str := fmt.Sprintf(
"mempool message invalid for protocol "+
"version %d", pver,
)
return messageError("MsgMemPool.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 *MsgMemPool) BtcEncode(
w io.Writer,
pver uint32,
enc MessageEncoding,
) (e error) {
if pver < BIP0035Version {
str := fmt.Sprintf(
"mempool message invalid for protocol "+
"version %d", pver,
)
return messageError("MsgMemPool.BtcEncode", str)
}
return nil
}
// Command returns the protocol command string for the message. This is part of the Message interface implementation.
func (msg *MsgMemPool) Command() string {
return CmdMemPool
}
// MaxPayloadLength returns the maximum length the payload can be for the receiver. This is part of the Message
// interface implementation.
func (msg *MsgMemPool) MaxPayloadLength(pver uint32) uint32 {
return 0
}
// NewMsgMemPool returns a new bitcoin pong message that conforms to the Message interface. See MsgPong for details.
func NewMsgMemPool() *MsgMemPool {
return &MsgMemPool{}
}