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htlcswitch: add blinding point to sphinx iterator for decoding

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This commit is contained in:
Carla Kirk-Cohen
2024-04-02 10:56:08 -04:00
parent da76d05fa5
commit 1e6fae37f7
4 changed files with 54 additions and 26 deletions
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17
contractcourt/htlc_incoming_contest_resolver.go
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@@ -7,7 +7,6 @@ import (
"fmt"
"io"
"github.com/btcsuite/btcd/btcec/v2"
"github.com/btcsuite/btcd/btcutil"
"github.com/btcsuite/btcd/txscript"
"github.com/lightningnetwork/lnd/channeldb"
@@ -18,7 +17,6 @@ import (
"github.com/lightningnetwork/lnd/lnwallet"
"github.com/lightningnetwork/lnd/lnwire"
"github.com/lightningnetwork/lnd/queue"
"github.com/lightningnetwork/lnd/tlv"
)
// htlcIncomingContestResolver is a ContractResolver that's able to resolve an
@@ -522,18 +520,15 @@ func (h *htlcIncomingContestResolver) Supplement(htlc channeldb.HTLC) {
func (h *htlcIncomingContestResolver) decodePayload() (*hop.Payload,
[]byte, error) {
var blindingPoint *btcec.PublicKey
h.htlc.BlindingPoint.WhenSome(
func(b tlv.RecordT[lnwire.BlindingPointTlvType,
*btcec.PublicKey]) {
blindingPoint = b.Val
},
)
blindingInfo := hop.ReconstructBlindingInfo{
IncomingAmt: h.htlc.Amt,
IncomingExpiry: h.htlc.RefundTimeout,
BlindingKey: h.htlc.BlindingPoint,
}
onionReader := bytes.NewReader(h.htlc.OnionBlob[:])
iterator, err := h.OnionProcessor.ReconstructHopIterator(
onionReader, h.htlc.RHash[:], blindingPoint,
onionReader, h.htlc.RHash[:], blindingInfo,
)
if err != nil {
return nil, nil, err