87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
package lnwire
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import (
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"fmt"
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"github.com/btcsuite/btcd/btcec"
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"github.com/btcsuite/btcutil"
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"io"
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)
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type CloseRequest struct {
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ReservationID uint64
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RequesterCloseSig *btcec.Signature // Requester's Commitment
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Fee btcutil.Amount
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}
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func (c *CloseRequest) Decode(r io.Reader, pver uint32) error {
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// ReservationID (8)
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// RequesterCloseSig (73)
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// First byte length then sig
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// Fee (8)
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err := readElements(r,
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&c.ReservationID,
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&c.RequesterCloseSig,
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&c.Fee)
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if err != nil {
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return err
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}
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return nil
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}
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// Creates a new CloseRequest
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func NewCloseRequest() *CloseRequest {
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return &CloseRequest{}
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}
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// Serializes the item from the CloseRequest struct
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// Writes the data to w
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func (c *CloseRequest) Encode(w io.Writer, pver uint32) error {
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// ReservationID
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// RequesterCloseSig
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// Fee
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err := writeElements(w,
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c.ReservationID,
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c.RequesterCloseSig,
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c.Fee)
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if err != nil {
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return err
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}
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return nil
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}
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func (c *CloseRequest) Command() uint32 {
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return CmdCloseRequest
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}
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func (c *CloseRequest) MaxPayloadLength(uint32) uint32 {
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// 8 + 73 + 8
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return 89
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}
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// Makes sure the struct data is valid (e.g. no negatives or invalid pkscripts)
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func (c *CloseRequest) Validate() error {
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// Fee must be greater than 0
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if c.Fee < 0 {
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return fmt.Errorf("Fee must be greater than zero.")
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}
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// We're good!
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return nil
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}
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func (c *CloseRequest) String() string {
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var serializedSig []byte
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if c.RequesterCloseSig != nil && c.RequesterCloseSig.R != nil {
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serializedSig = c.RequesterCloseSig.Serialize()
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}
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return fmt.Sprintf("\n--- Begin CloseRequest ---\n") +
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fmt.Sprintf("ReservationID:\t\t%d\n", c.ReservationID) +
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fmt.Sprintf("CloseSig\t\t%x\n", serializedSig) +
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fmt.Sprintf("Fee:\t\t\t%d\n", c.Fee) +
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fmt.Sprintf("--- End CloseRequest ---\n")
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}
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