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lnwire: add update_fail_malformed_htlc message

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In this commit BOLT#4 specification message have been added to the
lnwire package. This messsage is needed in order to notify payment
sender that forwarding node unable to parse the onion blob.
This commit is contained in:
Andrey Samokhvalov
2017-06-28 18:22:23 +03:00
committed by Olaoluwa Osuntokun
parent 98956bc2fe
commit 46ba18db9b
4 changed files with 94 additions and 1 deletions
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9
lnwire/lnwire.go
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@@ -180,7 +180,10 @@ func writeElement(w io.Writer, element interface{}) error {
if _, err := w.Write(e[:]); err != nil {
return err
}
case FailCode:
if err := writeElement(w, uint16(e)); err != nil {
return err
}
case ShortChannelID:
// Check that field fit in 3 bytes and write the blockHeight
if e.BlockHeight > ((1 << 24) - 1) {
@@ -440,6 +443,10 @@ func readElement(r io.Reader, element interface{}) error {
Hash: *hash,
Index: uint32(index),
}
case *FailCode:
if err := readElement(r, (*uint16)(e)); err != nil {
return err
}
case *ChannelID:
if _, err := io.ReadFull(r, e[:]); err != nil {