package lnwire import ( "fmt" "io" "github.com/roasbeef/btcd/btcec" ) type FundingSignAccept struct { ReservationID uint64 CommitSig *btcec.Signature // Requester's Commitment FundingTXSigs []*btcec.Signature } func (c *FundingSignAccept) Decode(r io.Reader, pver uint32) error { // ReservationID (8) // CommitSig (73) // First byte length then sig // FundingTXSigs // First byte is number of FundingTxSigs // Sorted list of the requester's input signatures // (originally provided in the Funding Request) err := readElements(r, &c.ReservationID, &c.CommitSig, &c.FundingTXSigs) if err != nil { return err } return nil } // Creates a new FundingSignAccept func NewFundingSignAccept() *FundingSignAccept { return &FundingSignAccept{} } // Serializes the item from the FundingSignAccept struct // Writes the data to w func (c *FundingSignAccept) Encode(w io.Writer, pver uint32) error { // ReservationID // CommitSig // FundingTxSigs err := writeElements(w, c.ReservationID, c.CommitSig, c.FundingTXSigs) if err != nil { return err } return nil } func (c *FundingSignAccept) Command() uint32 { return CmdFundingSignAccept } func (c *FundingSignAccept) MaxPayloadLength(uint32) uint32 { // 8 (base size) + 73 + (73maxSigSize*127maxInputs) return 9352 } // Makes sure the struct data is valid (e.g. no negatives or invalid pkscripts) func (c *FundingSignAccept) Validate() error { // We're good! return nil } func (c *FundingSignAccept) String() string { var sigs string for i, in := range c.FundingTXSigs { sigs += fmt.Sprintf("\n Slice\t%d\n", i) if in != nil { sigs += fmt.Sprintf("\tSig\t%x\n", in.Serialize()) } } var serializedSig []byte if &c.CommitSig != nil && c.CommitSig.R != nil { serializedSig = c.CommitSig.Serialize() } return fmt.Sprintf("\n--- Begin FundingSignAccept ---\n") + fmt.Sprintf("ReservationID:\t\t%d\n", c.ReservationID) + fmt.Sprintf("CommitSig\t\t%x\n", serializedSig) + fmt.Sprintf("FundingTxSigs:") + sigs + fmt.Sprintf("--- End FundingSignAccept ---\n") }