91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
package lnwire
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import (
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"fmt"
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"io"
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)
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// Multiple Clearing Requests are possible by putting this inside an array of
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// clearing requests
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type HTLCSettleRequest struct {
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// We can use a different data type for this if necessary...
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ChannelID uint64
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// ID of this request
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HTLCKey HTLCKey
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// Redemption Proofs (R-Values)
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RedemptionProofs []*[20]byte
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}
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func (c *HTLCSettleRequest) Decode(r io.Reader, pver uint32) error {
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// ChannelID(8)
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// HTLCKey(8)
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// Expiry(4)
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// Amount(4)
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// NextHop(20)
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// ContractType(1)
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// RedemptionHashes (numOfHashes * 20 + numOfHashes)
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// Blob(2+blobsize)
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err := readElements(r,
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&c.ChannelID,
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&c.HTLCKey,
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&c.RedemptionProofs,
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)
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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 HTLCSettleRequest
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func NewHTLCSettleRequest() *HTLCSettleRequest {
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return &HTLCSettleRequest{}
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}
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// Serializes the item from the HTLCSettleRequest struct
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// Writes the data to w
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func (c *HTLCSettleRequest) Encode(w io.Writer, pver uint32) error {
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err := writeElements(w,
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c.ChannelID,
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c.HTLCKey,
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c.RedemptionProofs,
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)
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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 *HTLCSettleRequest) Command() uint32 {
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return CmdHTLCSettleRequest
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}
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func (c *HTLCSettleRequest) MaxPayloadLength(uint32) uint32 {
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// 21*15+16
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return 331
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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 *HTLCSettleRequest) Validate() error {
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// We're good!
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return nil
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}
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func (c *HTLCSettleRequest) String() string {
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var redemptionProofs string
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for i, rh := range c.RedemptionProofs {
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redemptionProofs += fmt.Sprintf("\n\tSlice\t%d\n", i)
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redemptionProofs += fmt.Sprintf("\t\tRedemption Proof: %x\n", *rh)
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}
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return fmt.Sprintf("\n--- Begin HTLCSettleRequest ---\n") +
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fmt.Sprintf("ChannelID:\t%d\n", c.ChannelID) +
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fmt.Sprintf("HTLCKey:\t%d\n", c.HTLCKey) +
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fmt.Sprintf("RedemptionHashes:") +
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redemptionProofs +
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fmt.Sprintf("--- End HTLCSettleRequest ---\n")
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}
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