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59 lines
1.8 KiB
59 lines
1.8 KiB
package lnwire |
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import ( |
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"io" |
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) |
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// Shutdown is sent by either side in order to initiate the cooperative closure |
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// of a channel. This message is sparse as both sides implicitly have the |
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// information necessary to construct a transaction that will send the settled |
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// funds of both parties to the final delivery addresses negotiated during the |
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// funding workflow. |
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type Shutdown struct { |
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// ChannelID serves to identify which channel is to be closed. |
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ChannelID ChannelID |
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// Address is the script to which the channel funds will be paid. |
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Address DeliveryAddress |
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// ExtraData is the set of data that was appended to this message to |
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// fill out the full maximum transport message size. These fields can |
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// be used to specify optional data such as custom TLV fields. |
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ExtraData ExtraOpaqueData |
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} |
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// NewShutdown creates a new Shutdown message. |
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func NewShutdown(cid ChannelID, addr DeliveryAddress) *Shutdown { |
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return &Shutdown{ |
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ChannelID: cid, |
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Address: addr, |
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} |
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} |
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// A compile-time check to ensure Shutdown implements the lnwire.Message |
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// interface. |
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var _ Message = (*Shutdown)(nil) |
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// Decode deserializes a serialized Shutdown stored in the passed io.Reader |
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// 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 (s *Shutdown) Decode(r io.Reader, pver uint32) error { |
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return ReadElements(r, &s.ChannelID, &s.Address, &s.ExtraData) |
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} |
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// Encode serializes the target Shutdown 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 (s *Shutdown) Encode(w io.Writer, pver uint32) error { |
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return WriteElements(w, s.ChannelID, s.Address, s.ExtraData) |
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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 (s *Shutdown) MsgType() MessageType { |
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return MsgShutdown |
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}
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