f6b3c25f95
This commit modifies the Message interface to convert the Command method to a MsgType method that uses a new set of message type for all the defined messages. These new messages types nearly exactly match the message types used within the current draft of the BOLT specifications.
75 lines
2.4 KiB
Go
75 lines
2.4 KiB
Go
package lnwire
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import (
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"github.com/roasbeef/btcd/btcec"
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"github.com/roasbeef/btcd/wire"
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"io"
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)
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// CloseComplete is sent by Bob signalling a fufillment and completion of
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// Alice's prior CloseRequest message. After Alice receives Bob's CloseComplete
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// message, she is able to broadcast the fully signed transaction executing a
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// cooperative closure of the channel.
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//
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// NOTE: The responder is able to only send a signature without any additional
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// message as all transactions are assembled observing BIP 69 which defines a
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// cannonical ordering for input/outputs. Therefore, both sides are able to
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// arrive at an identical closure transaction as they know the order of the
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// inputs/outputs.
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type CloseComplete struct {
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// ChannelPoint serves to identify which channel is to be closed.
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ChannelPoint wire.OutPoint
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// ResponderCloseSig is the signature of the responder for the
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// transaction which closes the previously active channel.
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ResponderCloseSig *btcec.Signature
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}
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// NewCloseComplete creates a new empty CloseComplete message.
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// TODO(roasbeef): add params to all constructors...
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func NewCloseComplete() *CloseComplete {
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return &CloseComplete{}
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}
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// A compile time check to ensure CloseComplete implements the lnwire.Message
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// interface.
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var _ Message = (*CloseComplete)(nil)
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// Decode deserializes a serialized CloseComplete message stored in the passed
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// io.Reader observing the specified protocol version.
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//
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// This is part of the lnwire.Message interface.
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func (c *CloseComplete) Decode(r io.Reader, pver uint32) error {
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return readElements(r,
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&c.ChannelPoint,
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&c.ResponderCloseSig)
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}
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// Encode serializes the target CloseComplete into the passed io.Writer observing
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// the protocol version specified.
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//
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// This is part of the lnwire.Message interface.
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func (c *CloseComplete) Encode(w io.Writer, pver uint32) error {
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return writeElements(w,
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c.ChannelPoint,
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c.ResponderCloseSig)
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}
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// MsgType returns the integer uniquely identifying this message type on the
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// wire.
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//
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// This is part of the lnwire.Message interface.
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func (c *CloseComplete) MsgType() MessageType {
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return MsgCloseComplete
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}
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// MaxPayloadLength returns the maximum allowed payload size for a CloseComplete
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// complete message observing the specified protocol version.
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//
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// This is part of the lnwire.Message interface.
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func (c *CloseComplete) MaxPayloadLength(uint32) uint32 {
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// 141 + 73 + 32
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return 141
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}
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