b6057abe93
This commit temporary increases the timeout for the TestChannelLinkBidirectionalOneHopPayments test in order to account for the slowness of the travis instances that our tests are run on.
638 lines
18 KiB
Go
638 lines
18 KiB
Go
package htlcswitch
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"crypto/sha256"
|
|
"testing"
|
|
"time"
|
|
|
|
"io/ioutil"
|
|
"os"
|
|
|
|
"io"
|
|
|
|
"math/big"
|
|
|
|
"github.com/btcsuite/fastsha256"
|
|
"github.com/go-errors/errors"
|
|
"github.com/lightningnetwork/lnd/channeldb"
|
|
"github.com/lightningnetwork/lnd/lnwallet"
|
|
"github.com/lightningnetwork/lnd/lnwire"
|
|
"github.com/lightningnetwork/lnd/shachain"
|
|
"github.com/roasbeef/btcd/btcec"
|
|
"github.com/roasbeef/btcd/chaincfg/chainhash"
|
|
"github.com/roasbeef/btcd/wire"
|
|
"github.com/roasbeef/btcutil"
|
|
)
|
|
|
|
var (
|
|
alicePrivKey = []byte("alice priv key")
|
|
bobPrivKey = []byte("bob priv key")
|
|
carolPrivKey = []byte("carol priv key")
|
|
|
|
testPrivKey = []byte{
|
|
0x81, 0xb6, 0x37, 0xd8, 0xfc, 0xd2, 0xc6, 0xda,
|
|
0x63, 0x59, 0xe6, 0x96, 0x31, 0x13, 0xa1, 0x17,
|
|
0xd, 0xe7, 0x95, 0xe4, 0xb7, 0x25, 0xb8, 0x4d,
|
|
0x1e, 0xb, 0x4c, 0xfd, 0x9e, 0xc5, 0x8c, 0xe9,
|
|
}
|
|
|
|
_, testPubKey = btcec.PrivKeyFromBytes(btcec.S256(), testPrivKey)
|
|
testSig = &btcec.Signature{
|
|
R: new(big.Int),
|
|
S: new(big.Int),
|
|
}
|
|
|
|
_, _ = testSig.R.SetString("6372440660162918006277497454296753625158993"+
|
|
"5445068131219452686511677818569431", 10)
|
|
_, _ = testSig.S.SetString("1880105606924982582529128710493133386286603"+
|
|
"3135609736119018462340006816851118", 10)
|
|
)
|
|
|
|
// mockGetChanUpdateMessage helper function which returns topology update
|
|
// of the channel
|
|
func mockGetChanUpdateMessage() (*lnwire.ChannelUpdate, error) {
|
|
return &lnwire.ChannelUpdate{
|
|
Signature: testSig,
|
|
}, nil
|
|
}
|
|
|
|
// generateRandomBytes returns securely generated random bytes.
|
|
// It will return an error if the system's secure random
|
|
// number generator fails to function correctly, in which
|
|
// case the caller should not continue.
|
|
func generateRandomBytes(n int) ([]byte, error) {
|
|
b := make([]byte, n)
|
|
|
|
// TODO(roasbeef): should use counter in tests (atomic) rather than
|
|
// this
|
|
|
|
_, err := rand.Read(b[:])
|
|
// Note that Err == nil only if we read len(b) bytes.
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
// createTestChannel creates the channel and returns our and remote channels
|
|
// representations.
|
|
//
|
|
// TODO(roasbeef): need to factor out, similar func re-used in many parts of codebase
|
|
func createTestChannel(alicePrivKey, bobPrivKey []byte,
|
|
aliceAmount, bobAmount btcutil.Amount,
|
|
chanID lnwire.ShortChannelID) (*lnwallet.LightningChannel, *lnwallet.LightningChannel, func(), error) {
|
|
|
|
aliceKeyPriv, aliceKeyPub := btcec.PrivKeyFromBytes(btcec.S256(), alicePrivKey)
|
|
bobKeyPriv, bobKeyPub := btcec.PrivKeyFromBytes(btcec.S256(), bobPrivKey)
|
|
|
|
channelCapacity := aliceAmount + bobAmount
|
|
aliceDustLimit := btcutil.Amount(200)
|
|
bobDustLimit := btcutil.Amount(800)
|
|
csvTimeoutAlice := uint32(5)
|
|
csvTimeoutBob := uint32(4)
|
|
|
|
var hash [sha256.Size]byte
|
|
randomSeed, err := generateRandomBytes(sha256.Size)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
copy(hash[:], randomSeed)
|
|
|
|
prevOut := &wire.OutPoint{
|
|
Hash: chainhash.Hash(hash),
|
|
Index: 0,
|
|
}
|
|
fundingTxIn := wire.NewTxIn(prevOut, nil, nil)
|
|
|
|
aliceCfg := channeldb.ChannelConfig{
|
|
ChannelConstraints: channeldb.ChannelConstraints{
|
|
DustLimit: aliceDustLimit,
|
|
},
|
|
CsvDelay: uint16(csvTimeoutAlice),
|
|
MultiSigKey: aliceKeyPub,
|
|
RevocationBasePoint: aliceKeyPub,
|
|
PaymentBasePoint: aliceKeyPub,
|
|
DelayBasePoint: aliceKeyPub,
|
|
}
|
|
bobCfg := channeldb.ChannelConfig{
|
|
ChannelConstraints: channeldb.ChannelConstraints{
|
|
DustLimit: bobDustLimit,
|
|
},
|
|
CsvDelay: uint16(csvTimeoutBob),
|
|
MultiSigKey: bobKeyPub,
|
|
RevocationBasePoint: bobKeyPub,
|
|
PaymentBasePoint: bobKeyPub,
|
|
DelayBasePoint: bobKeyPub,
|
|
}
|
|
|
|
bobRoot := lnwallet.DeriveRevocationRoot(bobKeyPriv, hash, aliceKeyPub)
|
|
bobPreimageProducer := shachain.NewRevocationProducer(bobRoot)
|
|
bobFirstRevoke, err := bobPreimageProducer.AtIndex(0)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
bobCommitPoint := lnwallet.ComputeCommitmentPoint(bobFirstRevoke[:])
|
|
|
|
aliceRoot := lnwallet.DeriveRevocationRoot(aliceKeyPriv, hash, bobKeyPub)
|
|
alicePreimageProducer := shachain.NewRevocationProducer(aliceRoot)
|
|
aliceFirstRevoke, err := alicePreimageProducer.AtIndex(0)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
aliceCommitPoint := lnwallet.ComputeCommitmentPoint(aliceFirstRevoke[:])
|
|
|
|
aliceCommitTx, bobCommitTx, err := lnwallet.CreateCommitmentTxns(aliceAmount,
|
|
bobAmount, &aliceCfg, &bobCfg, aliceCommitPoint, bobCommitPoint,
|
|
fundingTxIn)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
|
|
alicePath, err := ioutil.TempDir("", "alicedb")
|
|
dbAlice, err := channeldb.Open(alicePath)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
|
|
bobPath, err := ioutil.TempDir("", "bobdb")
|
|
dbBob, err := channeldb.Open(bobPath)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
|
|
var obsfucator [lnwallet.StateHintSize]byte
|
|
copy(obsfucator[:], aliceFirstRevoke[:])
|
|
|
|
estimator := &lnwallet.StaticFeeEstimator{
|
|
FeeRate: 24,
|
|
Confirmation: 6,
|
|
}
|
|
feePerKw := btcutil.Amount(estimator.EstimateFeePerWeight(1) * 1000)
|
|
commitFee := (feePerKw * btcutil.Amount(724)) / 1000
|
|
|
|
aliceChannelState := &channeldb.OpenChannel{
|
|
LocalChanCfg: aliceCfg,
|
|
RemoteChanCfg: bobCfg,
|
|
IdentityPub: aliceKeyPub,
|
|
FundingOutpoint: *prevOut,
|
|
ChanType: channeldb.SingleFunder,
|
|
FeePerKw: feePerKw,
|
|
IsInitiator: true,
|
|
Capacity: channelCapacity,
|
|
LocalBalance: aliceAmount - commitFee,
|
|
RemoteBalance: bobAmount,
|
|
CommitTx: *aliceCommitTx,
|
|
CommitSig: bytes.Repeat([]byte{1}, 71),
|
|
RemoteCurrentRevocation: bobCommitPoint,
|
|
RevocationProducer: alicePreimageProducer,
|
|
RevocationStore: shachain.NewRevocationStore(),
|
|
ShortChanID: chanID,
|
|
Db: dbAlice,
|
|
}
|
|
bobChannelState := &channeldb.OpenChannel{
|
|
LocalChanCfg: bobCfg,
|
|
RemoteChanCfg: aliceCfg,
|
|
IdentityPub: bobKeyPub,
|
|
FeePerKw: feePerKw,
|
|
FundingOutpoint: *prevOut,
|
|
ChanType: channeldb.SingleFunder,
|
|
IsInitiator: false,
|
|
Capacity: channelCapacity,
|
|
LocalBalance: bobAmount,
|
|
RemoteBalance: aliceAmount - commitFee,
|
|
CommitTx: *bobCommitTx,
|
|
CommitSig: bytes.Repeat([]byte{1}, 71),
|
|
RemoteCurrentRevocation: aliceCommitPoint,
|
|
RevocationProducer: bobPreimageProducer,
|
|
RevocationStore: shachain.NewRevocationStore(),
|
|
ShortChanID: chanID,
|
|
Db: dbBob,
|
|
}
|
|
|
|
cleanUpFunc := func() {
|
|
os.RemoveAll(bobPath)
|
|
os.RemoveAll(alicePath)
|
|
}
|
|
|
|
aliceSigner := &mockSigner{aliceKeyPriv}
|
|
bobSigner := &mockSigner{bobKeyPriv}
|
|
|
|
channelAlice, err := lnwallet.NewLightningChannel(aliceSigner,
|
|
nil, estimator, aliceChannelState)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
channelBob, err := lnwallet.NewLightningChannel(bobSigner, nil,
|
|
estimator, bobChannelState)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
|
|
// Now that the channel are open, simulate the start of a session by
|
|
// having Alice and Bob extend their revocation windows to each other.
|
|
aliceNextRevoke, err := channelAlice.NextRevocationKey()
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
if err := channelBob.InitNextRevocation(aliceNextRevoke); err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
|
|
bobNextRevoke, err := channelBob.NextRevocationKey()
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
if err := channelAlice.InitNextRevocation(bobNextRevoke); err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
|
|
return channelAlice, channelBob, cleanUpFunc, nil
|
|
}
|
|
|
|
// getChanID retrieves the channel point from nwire message.
|
|
func getChanID(msg lnwire.Message) lnwire.ChannelID {
|
|
var point lnwire.ChannelID
|
|
switch msg := msg.(type) {
|
|
case *lnwire.UpdateAddHTLC:
|
|
point = msg.ChanID
|
|
case *lnwire.UpdateFufillHTLC:
|
|
point = msg.ChanID
|
|
case *lnwire.UpdateFailHTLC:
|
|
point = msg.ChanID
|
|
case *lnwire.RevokeAndAck:
|
|
point = msg.ChanID
|
|
case *lnwire.CommitSig:
|
|
point = msg.ChanID
|
|
}
|
|
|
|
return point
|
|
}
|
|
|
|
// generatePayment generates the htlc add request by given path blob and
|
|
// invoice which should be added by destination peer.
|
|
func generatePayment(invoiceAmt, htlcAmt btcutil.Amount, timelock uint32,
|
|
blob [lnwire.OnionPacketSize]byte) (*channeldb.Invoice, *lnwire.UpdateAddHTLC, error) {
|
|
|
|
var preimage [sha256.Size]byte
|
|
r, err := generateRandomBytes(sha256.Size)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
copy(preimage[:], r)
|
|
|
|
rhash := fastsha256.Sum256(preimage[:])
|
|
|
|
invoice := &channeldb.Invoice{
|
|
CreationDate: time.Now(),
|
|
Terms: channeldb.ContractTerm{
|
|
Value: invoiceAmt,
|
|
PaymentPreimage: preimage,
|
|
},
|
|
}
|
|
|
|
htlc := &lnwire.UpdateAddHTLC{
|
|
PaymentHash: rhash,
|
|
Amount: htlcAmt,
|
|
Expiry: timelock,
|
|
OnionBlob: blob,
|
|
}
|
|
|
|
return invoice, htlc, nil
|
|
}
|
|
|
|
// generateRoute generates the path blob by given array of peers.
|
|
func generateRoute(hops ...ForwardingInfo) ([lnwire.OnionPacketSize]byte, error) {
|
|
var blob [lnwire.OnionPacketSize]byte
|
|
if len(hops) == 0 {
|
|
return blob, errors.New("empty path")
|
|
}
|
|
|
|
iterator := newMockHopIterator(hops...)
|
|
|
|
w := bytes.NewBuffer(blob[0:0])
|
|
if err := iterator.EncodeNextHop(w); err != nil {
|
|
return blob, err
|
|
}
|
|
|
|
return blob, nil
|
|
|
|
}
|
|
|
|
// threeHopNetwork is used for managing the created cluster of 3 hops.
|
|
type threeHopNetwork struct {
|
|
aliceServer *mockServer
|
|
aliceChannelLink *channelLink
|
|
|
|
firstBobChannelLink *channelLink
|
|
bobServer *mockServer
|
|
secondBobChannelLink *channelLink
|
|
|
|
carolChannelLink *channelLink
|
|
carolServer *mockServer
|
|
|
|
firstChannelCleanup func()
|
|
secondChannelCleanup func()
|
|
|
|
globalPolicy ForwardingPolicy
|
|
}
|
|
|
|
// generateHops creates the per hop payload, the total amount to be sent, and
|
|
// also the time lock value needed to route a HTLC with the target amount over
|
|
// the specified path.
|
|
func generateHops(payAmt btcutil.Amount,
|
|
path ...*channelLink) (btcutil.Amount, uint32, []ForwardingInfo) {
|
|
|
|
lastHop := path[len(path)-1]
|
|
|
|
var (
|
|
totalTimelock uint32
|
|
)
|
|
runningAmt := payAmt
|
|
|
|
hops := make([]ForwardingInfo, len(path))
|
|
for i := len(path) - 1; i >= 0; i-- {
|
|
// If this is the last hop, then the next hop is the special
|
|
// "exit node". Otherwise, we look to the "prior" hop.
|
|
nextHop := exitHop
|
|
if i != len(path)-1 {
|
|
nextHop = path[i+1].channel.ShortChanID()
|
|
}
|
|
|
|
// If this is the last, hop, then the time lock will be their
|
|
// specified delta policy.
|
|
timeLock := lastHop.cfg.FwrdingPolicy.TimeLockDelta
|
|
totalTimelock += timeLock
|
|
|
|
// Otherwise, the outgoing time lock should be the incoming
|
|
// timelock minus their specified delta.
|
|
if i != len(path)-1 {
|
|
delta := path[i].cfg.FwrdingPolicy.TimeLockDelta
|
|
timeLock = totalTimelock - delta
|
|
}
|
|
|
|
// Finally, we'll need to calculate the amount to forward. For
|
|
// the last hop, it's just the payment amount.
|
|
amount := payAmt
|
|
if i != len(path)-1 {
|
|
prevHop := hops[i+1]
|
|
prevAmount := prevHop.AmountToForward
|
|
|
|
fee := ExpectedFee(path[i].cfg.FwrdingPolicy, prevAmount)
|
|
runningAmt += fee
|
|
|
|
// If the this the first hop, then we don't need to
|
|
// apply any fee, otherwise, the amount to forward
|
|
// needs to take into account the fees.
|
|
if i == 0 {
|
|
amount = prevAmount
|
|
} else {
|
|
amount = prevAmount + fee
|
|
}
|
|
}
|
|
|
|
hops[i] = ForwardingInfo{
|
|
Network: BitcoinHop,
|
|
NextHop: nextHop,
|
|
AmountToForward: amount,
|
|
OutgoingCTLV: timeLock,
|
|
}
|
|
}
|
|
|
|
return runningAmt, totalTimelock, hops
|
|
}
|
|
|
|
// makePayment takes the destination node and amount as input, sends the
|
|
// payment and returns the error channel to wait for error to be received and
|
|
// invoice in order to check its status after the payment finished.
|
|
//
|
|
// With this function you can send payments:
|
|
// * from Alice to Bob
|
|
// * from Alice to Carol through the Bob
|
|
// * from Alice to some another peer through the Bob
|
|
func (n *threeHopNetwork) makePayment(sendingPeer, receivingPeer Peer,
|
|
firstHopPub [33]byte, hops []ForwardingInfo,
|
|
invoiceAmt, htlcAmt btcutil.Amount,
|
|
timelock uint32) (*channeldb.Invoice, error) {
|
|
|
|
sender := sendingPeer.(*mockServer)
|
|
receiver := receivingPeer.(*mockServer)
|
|
|
|
// Generate route convert it to blob, and return next destination for
|
|
// htlc add request.
|
|
blob, err := generateRoute(hops...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Generate payment: invoice and htlc.
|
|
invoice, htlc, err := generatePayment(invoiceAmt, htlcAmt, timelock,
|
|
blob)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Check who is last in the route and add invoice to server registry.
|
|
if err := receiver.registry.AddInvoice(invoice); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Send payment and expose err channel.
|
|
errChan := make(chan error)
|
|
go func() {
|
|
_, err := sender.htlcSwitch.SendHTLC(firstHopPub, htlc,
|
|
newMockDeobfuscator())
|
|
errChan <- err
|
|
}()
|
|
|
|
select {
|
|
case err := <-errChan:
|
|
return invoice, err
|
|
case <-time.After(5 * time.Minute):
|
|
return invoice, errors.New("htlc was not settled in time")
|
|
}
|
|
}
|
|
|
|
// start starts the three hop network alice,bob,carol servers.
|
|
func (n *threeHopNetwork) start() error {
|
|
if err := n.aliceServer.Start(); err != nil {
|
|
return err
|
|
}
|
|
if err := n.bobServer.Start(); err != nil {
|
|
return err
|
|
}
|
|
if err := n.carolServer.Start(); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// stop stops nodes and cleanup its databases.
|
|
func (n *threeHopNetwork) stop() {
|
|
done := make(chan struct{})
|
|
go func() {
|
|
n.aliceServer.Stop()
|
|
done <- struct{}{}
|
|
}()
|
|
|
|
go func() {
|
|
n.bobServer.Stop()
|
|
done <- struct{}{}
|
|
}()
|
|
|
|
go func() {
|
|
n.carolServer.Stop()
|
|
done <- struct{}{}
|
|
}()
|
|
|
|
for i := 0; i < 3; i++ {
|
|
<-done
|
|
}
|
|
|
|
n.firstChannelCleanup()
|
|
n.secondChannelCleanup()
|
|
}
|
|
|
|
// newThreeHopNetwork function creates the following topology and returns the
|
|
// control object to manage this cluster:
|
|
//
|
|
// alice bob carol
|
|
// server - <-connection-> - server - - <-connection-> - - - server
|
|
// | | |
|
|
// alice htlc bob htlc carol htlc
|
|
// switch switch \ switch
|
|
// | | \ |
|
|
// | | \ |
|
|
// alice first bob second bob carol
|
|
// channel link channel link channel link channel link
|
|
//
|
|
func newThreeHopNetwork(t *testing.T, aliceToBob,
|
|
bobToCarol btcutil.Amount) *threeHopNetwork {
|
|
var err error
|
|
|
|
// Create three peers/servers.
|
|
aliceServer := newMockServer(t, "alice")
|
|
bobServer := newMockServer(t, "bob")
|
|
carolServer := newMockServer(t, "carol")
|
|
|
|
// Create mock decoder instead of sphinx one in order to mock the
|
|
// route which htlc should follow.
|
|
decoder := &mockIteratorDecoder{}
|
|
|
|
firstChanID := lnwire.NewShortChanIDFromInt(4)
|
|
secondChanID := lnwire.NewShortChanIDFromInt(5)
|
|
|
|
// Create lightning channels between Alice<->Bob and Bob<->Carol
|
|
aliceChannel, firstBobChannel, fCleanUp, err := createTestChannel(
|
|
alicePrivKey, bobPrivKey, aliceToBob, aliceToBob, firstChanID)
|
|
if err != nil {
|
|
t.Fatalf("unable to create alice<->bob channel: %v", err)
|
|
}
|
|
|
|
secondBobChannel, carolChannel, sCleanUp, err := createTestChannel(
|
|
bobPrivKey, carolPrivKey, bobToCarol, bobToCarol, secondChanID)
|
|
if err != nil {
|
|
t.Fatalf("unable to create bob<->carol channel: %v", err)
|
|
}
|
|
|
|
globalPolicy := ForwardingPolicy{
|
|
MinHTLC: 5,
|
|
BaseFee: btcutil.Amount(1),
|
|
TimeLockDelta: 1,
|
|
}
|
|
obfuscator := newMockObfuscator()
|
|
aliceChannelLink := NewChannelLink(
|
|
ChannelLinkConfig{
|
|
FwrdingPolicy: globalPolicy,
|
|
Peer: bobServer,
|
|
Switch: aliceServer.htlcSwitch,
|
|
DecodeHopIterator: decoder.DecodeHopIterator,
|
|
DecodeOnionObfuscator: func(io.Reader) (Obfuscator,
|
|
lnwire.FailCode) {
|
|
return obfuscator, lnwire.CodeNone
|
|
},
|
|
GetLastChannelUpdate: mockGetChanUpdateMessage,
|
|
Registry: aliceServer.registry,
|
|
},
|
|
aliceChannel,
|
|
)
|
|
if err := aliceServer.htlcSwitch.addLink(aliceChannelLink); err != nil {
|
|
t.Fatalf("unable to add alice channel link: %v", err)
|
|
}
|
|
|
|
firstBobChannelLink := NewChannelLink(
|
|
ChannelLinkConfig{
|
|
FwrdingPolicy: globalPolicy,
|
|
Peer: aliceServer,
|
|
Switch: bobServer.htlcSwitch,
|
|
DecodeHopIterator: decoder.DecodeHopIterator,
|
|
DecodeOnionObfuscator: func(io.Reader) (Obfuscator,
|
|
lnwire.FailCode) {
|
|
return obfuscator, lnwire.CodeNone
|
|
},
|
|
GetLastChannelUpdate: mockGetChanUpdateMessage,
|
|
Registry: bobServer.registry,
|
|
},
|
|
firstBobChannel,
|
|
)
|
|
if err := bobServer.htlcSwitch.addLink(firstBobChannelLink); err != nil {
|
|
t.Fatalf("unable to add first bob channel link: %v", err)
|
|
}
|
|
|
|
secondBobChannelLink := NewChannelLink(
|
|
ChannelLinkConfig{
|
|
FwrdingPolicy: globalPolicy,
|
|
Peer: carolServer,
|
|
Switch: bobServer.htlcSwitch,
|
|
DecodeHopIterator: decoder.DecodeHopIterator,
|
|
DecodeOnionObfuscator: func(io.Reader) (Obfuscator,
|
|
lnwire.FailCode) {
|
|
return obfuscator, lnwire.CodeNone
|
|
},
|
|
GetLastChannelUpdate: mockGetChanUpdateMessage,
|
|
Registry: bobServer.registry,
|
|
},
|
|
secondBobChannel,
|
|
)
|
|
if err := bobServer.htlcSwitch.addLink(secondBobChannelLink); err != nil {
|
|
t.Fatalf("unable to add second bob channel link: %v", err)
|
|
}
|
|
|
|
carolChannelLink := NewChannelLink(
|
|
ChannelLinkConfig{
|
|
FwrdingPolicy: globalPolicy,
|
|
Peer: bobServer,
|
|
Switch: carolServer.htlcSwitch,
|
|
DecodeHopIterator: decoder.DecodeHopIterator,
|
|
DecodeOnionObfuscator: func(io.Reader) (Obfuscator,
|
|
lnwire.FailCode) {
|
|
return obfuscator, lnwire.CodeNone
|
|
},
|
|
GetLastChannelUpdate: mockGetChanUpdateMessage,
|
|
Registry: carolServer.registry,
|
|
},
|
|
carolChannel,
|
|
)
|
|
if err := carolServer.htlcSwitch.addLink(carolChannelLink); err != nil {
|
|
t.Fatalf("unable to add carol channel link: %v", err)
|
|
}
|
|
|
|
return &threeHopNetwork{
|
|
aliceServer: aliceServer,
|
|
aliceChannelLink: aliceChannelLink.(*channelLink),
|
|
firstBobChannelLink: firstBobChannelLink.(*channelLink),
|
|
bobServer: bobServer,
|
|
secondBobChannelLink: secondBobChannelLink.(*channelLink),
|
|
carolChannelLink: carolChannelLink.(*channelLink),
|
|
carolServer: carolServer,
|
|
|
|
firstChannelCleanup: fCleanUp,
|
|
secondChannelCleanup: sCleanUp,
|
|
|
|
globalPolicy: globalPolicy,
|
|
}
|
|
}
|