highperfocused/lnd
1
0
Fork 0
mirror of https://github.com/lightningnetwork/lnd.git synced 2025-03-26 01:33:02 +01:00
Code Issues Packages Projects Releases Wiki Activity

htlcswitch: remove unused decode hop iterator

Browse Source
This commit is contained in:
Carla Kirk-Cohen 2022-11-21 08:35:02 -05:00
parent b76f733a9e
commit 42069ef2f8
No known key found for this signature in database
GPG Key ID: 4CA7FE54A6213C91
1 changed files with 0 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
htlcswitch/hop/iterator.go
View File

@ -147,50 +147,6 @@ func (p *OnionProcessor) Stop() error {
return nil
}
// DecodeHopIterator attempts to decode a valid sphinx packet from the passed io.Reader
// instance using the rHash as the associated data when checking the relevant
// MACs during the decoding process.
func (p *OnionProcessor) DecodeHopIterator(r io.Reader, rHash []byte,
incomingCltv uint32) (Iterator, lnwire.FailCode) {
onionPkt := &sphinx.OnionPacket{}
if err := onionPkt.Decode(r); err != nil {
switch err {
case sphinx.ErrInvalidOnionVersion:
return nil, lnwire.CodeInvalidOnionVersion
case sphinx.ErrInvalidOnionKey:
return nil, lnwire.CodeInvalidOnionKey
default:
log.Errorf("unable to decode onion packet: %v", err)
return nil, lnwire.CodeInvalidOnionKey
}
}
// Attempt to process the Sphinx packet. We include the payment hash of
// the HTLC as it's authenticated within the Sphinx packet itself as
// associated data in order to thwart attempts a replay attacks. In the
// case of a replay, an attacker is *forced* to use the same payment
// hash twice, thereby losing their money entirely.
sphinxPacket, err := p.router.ProcessOnionPacket(
onionPkt, rHash, incomingCltv,
)
if err != nil {
switch err {
case sphinx.ErrInvalidOnionVersion:
return nil, lnwire.CodeInvalidOnionVersion
case sphinx.ErrInvalidOnionHMAC:
return nil, lnwire.CodeInvalidOnionHmac
case sphinx.ErrInvalidOnionKey:
return nil, lnwire.CodeInvalidOnionKey
default:
log.Errorf("unable to process onion packet: %v", err)
return nil, lnwire.CodeInvalidOnionKey
}
}
return makeSphinxHopIterator(onionPkt, sphinxPacket), lnwire.CodeNone
}
// ReconstructHopIterator attempts to decode a valid sphinx packet from the passed io.Reader
// instance using the rHash as the associated data when checking the relevant
// MACs during the decoding process.