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76 lines
2.1 KiB
76 lines
2.1 KiB
package lnwire |
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import ( |
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"io" |
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) |
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// UpdateFee is the message the channel initiator sends to the other peer if |
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// the channel commitment fee needs to be updated. |
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type UpdateFee struct { |
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// ChanID is the channel that this UpdateFee is meant for. |
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ChanID ChannelID |
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// FeePerKw is the fee-per-kw on commit transactions that the sender of |
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// this message wants to use for this channel. |
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// |
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// TODO(halseth): make SatPerKWeight when fee estimation is moved to |
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// own package. Currently this will cause an import cycle. |
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FeePerKw uint32 |
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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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// NewUpdateFee creates a new UpdateFee message. |
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func NewUpdateFee(chanID ChannelID, feePerKw uint32) *UpdateFee { |
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return &UpdateFee{ |
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ChanID: chanID, |
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FeePerKw: feePerKw, |
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} |
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} |
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// A compile time check to ensure UpdateFee implements the lnwire.Message |
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// interface. |
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var _ Message = (*UpdateFee)(nil) |
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// Decode deserializes a serialized UpdateFee 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 *UpdateFee) Decode(r io.Reader, pver uint32) error { |
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return ReadElements(r, |
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&c.ChanID, |
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&c.FeePerKw, |
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&c.ExtraData, |
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) |
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} |
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// Encode serializes the target UpdateFee into the passed io.Writer |
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// observing 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 *UpdateFee) Encode(w io.Writer, pver uint32) error { |
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return WriteElements(w, |
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c.ChanID, |
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c.FeePerKw, |
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c.ExtraData, |
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) |
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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 *UpdateFee) MsgType() MessageType { |
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return MsgUpdateFee |
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} |
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// TargetChanID returns the channel id of the link for which this message is |
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// intended. |
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// |
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// NOTE: Part of peer.LinkUpdater interface. |
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func (c *UpdateFee) TargetChanID() ChannelID { |
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return c.ChanID |
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}
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