293 lines
8.6 KiB
Go
293 lines
8.6 KiB
Go
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"io/ioutil"
|
|
"math/rand"
|
|
"net"
|
|
"os"
|
|
|
|
"github.com/lightningnetwork/lnd/chainntnfs"
|
|
"github.com/lightningnetwork/lnd/channeldb"
|
|
"github.com/lightningnetwork/lnd/contractcourt"
|
|
"github.com/lightningnetwork/lnd/htlcswitch"
|
|
"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 (
|
|
alicesPrivKey = []byte{
|
|
0x2b, 0xd8, 0x06, 0xc9, 0x7f, 0x0e, 0x00, 0xaf,
|
|
0x1a, 0x1f, 0xc3, 0x32, 0x8f, 0xa7, 0x63, 0xa9,
|
|
0x26, 0x97, 0x23, 0xc8, 0xdb, 0x8f, 0xac, 0x4f,
|
|
0x93, 0xaf, 0x71, 0xdb, 0x18, 0x6d, 0x6e, 0x90,
|
|
}
|
|
|
|
bobsPrivKey = []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,
|
|
}
|
|
|
|
// Use a hard-coded HD seed.
|
|
testHdSeed = [32]byte{
|
|
0xb7, 0x94, 0x38, 0x5f, 0x2d, 0x1e, 0xf7, 0xab,
|
|
0x4d, 0x92, 0x73, 0xd1, 0x90, 0x63, 0x81, 0xb4,
|
|
0x4f, 0x2f, 0x6f, 0x25, 0x88, 0xa3, 0xef, 0xb9,
|
|
0x6a, 0x49, 0x18, 0x83, 0x31, 0x98, 0x47, 0x53,
|
|
}
|
|
|
|
// Just use some arbitrary bytes as delivery script.
|
|
dummyDeliveryScript = alicesPrivKey[:]
|
|
)
|
|
|
|
// createTestPeer creates a channel between two nodes, and returns a peer for
|
|
// one of the nodes, together with the channel seen from both nodes.
|
|
func createTestPeer(notifier chainntnfs.ChainNotifier,
|
|
publTx chan *wire.MsgTx) (*peer, *lnwallet.LightningChannel,
|
|
*lnwallet.LightningChannel, func(), error) {
|
|
|
|
aliceKeyPriv, aliceKeyPub := btcec.PrivKeyFromBytes(btcec.S256(),
|
|
alicesPrivKey)
|
|
bobKeyPriv, bobKeyPub := btcec.PrivKeyFromBytes(btcec.S256(),
|
|
bobsPrivKey)
|
|
|
|
channelCapacity := btcutil.Amount(10 * 1e8)
|
|
channelBal := channelCapacity / 2
|
|
aliceDustLimit := btcutil.Amount(200)
|
|
bobDustLimit := btcutil.Amount(1300)
|
|
csvTimeoutAlice := uint32(5)
|
|
csvTimeoutBob := uint32(4)
|
|
|
|
prevOut := &wire.OutPoint{
|
|
Hash: chainhash.Hash(testHdSeed),
|
|
Index: 0,
|
|
}
|
|
fundingTxIn := wire.NewTxIn(prevOut, nil, nil)
|
|
|
|
aliceCfg := channeldb.ChannelConfig{
|
|
ChannelConstraints: channeldb.ChannelConstraints{
|
|
DustLimit: aliceDustLimit,
|
|
MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()),
|
|
ChanReserve: btcutil.Amount(rand.Int63()),
|
|
MinHTLC: lnwire.MilliSatoshi(rand.Int63()),
|
|
MaxAcceptedHtlcs: uint16(rand.Int31()),
|
|
},
|
|
CsvDelay: uint16(csvTimeoutAlice),
|
|
MultiSigKey: aliceKeyPub,
|
|
RevocationBasePoint: aliceKeyPub,
|
|
PaymentBasePoint: aliceKeyPub,
|
|
DelayBasePoint: aliceKeyPub,
|
|
HtlcBasePoint: aliceKeyPub,
|
|
}
|
|
bobCfg := channeldb.ChannelConfig{
|
|
ChannelConstraints: channeldb.ChannelConstraints{
|
|
DustLimit: bobDustLimit,
|
|
MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()),
|
|
ChanReserve: btcutil.Amount(rand.Int63()),
|
|
MinHTLC: lnwire.MilliSatoshi(rand.Int63()),
|
|
MaxAcceptedHtlcs: uint16(rand.Int31()),
|
|
},
|
|
CsvDelay: uint16(csvTimeoutBob),
|
|
MultiSigKey: bobKeyPub,
|
|
RevocationBasePoint: bobKeyPub,
|
|
PaymentBasePoint: bobKeyPub,
|
|
DelayBasePoint: bobKeyPub,
|
|
HtlcBasePoint: bobKeyPub,
|
|
}
|
|
|
|
bobRoot := lnwallet.DeriveRevocationRoot(bobKeyPriv, testHdSeed, aliceKeyPub)
|
|
bobPreimageProducer := shachain.NewRevocationProducer(bobRoot)
|
|
bobFirstRevoke, err := bobPreimageProducer.AtIndex(0)
|
|
if err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
bobCommitPoint := lnwallet.ComputeCommitmentPoint(bobFirstRevoke[:])
|
|
|
|
aliceRoot := lnwallet.DeriveRevocationRoot(aliceKeyPriv, testHdSeed, bobKeyPub)
|
|
alicePreimageProducer := shachain.NewRevocationProducer(aliceRoot)
|
|
aliceFirstRevoke, err := alicePreimageProducer.AtIndex(0)
|
|
if err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
aliceCommitPoint := lnwallet.ComputeCommitmentPoint(aliceFirstRevoke[:])
|
|
|
|
aliceCommitTx, bobCommitTx, err := lnwallet.CreateCommitmentTxns(channelBal,
|
|
channelBal, &aliceCfg, &bobCfg, aliceCommitPoint, bobCommitPoint,
|
|
*fundingTxIn)
|
|
if err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
|
|
alicePath, err := ioutil.TempDir("", "alicedb")
|
|
dbAlice, err := channeldb.Open(alicePath)
|
|
if err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
|
|
bobPath, err := ioutil.TempDir("", "bobdb")
|
|
dbBob, err := channeldb.Open(bobPath)
|
|
if err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
|
|
estimator := &lnwallet.StaticFeeEstimator{FeeRate: 50}
|
|
feePerWeight, err := estimator.EstimateFeePerWeight(1)
|
|
if err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
feePerKw := feePerWeight * 1000
|
|
|
|
// TODO(roasbeef): need to factor in commit fee?
|
|
aliceCommit := channeldb.ChannelCommitment{
|
|
CommitHeight: 0,
|
|
LocalBalance: lnwire.NewMSatFromSatoshis(channelBal),
|
|
RemoteBalance: lnwire.NewMSatFromSatoshis(channelBal),
|
|
FeePerKw: feePerKw,
|
|
CommitFee: 8688,
|
|
CommitTx: aliceCommitTx,
|
|
CommitSig: bytes.Repeat([]byte{1}, 71),
|
|
}
|
|
bobCommit := channeldb.ChannelCommitment{
|
|
CommitHeight: 0,
|
|
LocalBalance: lnwire.NewMSatFromSatoshis(channelBal),
|
|
RemoteBalance: lnwire.NewMSatFromSatoshis(channelBal),
|
|
FeePerKw: feePerKw,
|
|
CommitFee: 8688,
|
|
CommitTx: bobCommitTx,
|
|
CommitSig: bytes.Repeat([]byte{1}, 71),
|
|
}
|
|
|
|
aliceChannelState := &channeldb.OpenChannel{
|
|
LocalChanCfg: aliceCfg,
|
|
RemoteChanCfg: bobCfg,
|
|
IdentityPub: aliceKeyPub,
|
|
FundingOutpoint: *prevOut,
|
|
ChanType: channeldb.SingleFunder,
|
|
IsInitiator: true,
|
|
Capacity: channelCapacity,
|
|
RemoteCurrentRevocation: bobCommitPoint,
|
|
RevocationProducer: alicePreimageProducer,
|
|
RevocationStore: shachain.NewRevocationStore(),
|
|
LocalCommitment: aliceCommit,
|
|
RemoteCommitment: aliceCommit,
|
|
Db: dbAlice,
|
|
}
|
|
bobChannelState := &channeldb.OpenChannel{
|
|
LocalChanCfg: bobCfg,
|
|
RemoteChanCfg: aliceCfg,
|
|
IdentityPub: bobKeyPub,
|
|
FundingOutpoint: *prevOut,
|
|
ChanType: channeldb.SingleFunder,
|
|
IsInitiator: false,
|
|
Capacity: channelCapacity,
|
|
RemoteCurrentRevocation: aliceCommitPoint,
|
|
RevocationProducer: bobPreimageProducer,
|
|
RevocationStore: shachain.NewRevocationStore(),
|
|
LocalCommitment: bobCommit,
|
|
RemoteCommitment: bobCommit,
|
|
Db: dbBob,
|
|
}
|
|
|
|
addr := &net.TCPAddr{
|
|
IP: net.ParseIP("127.0.0.1"),
|
|
Port: 18555,
|
|
}
|
|
|
|
if err := aliceChannelState.SyncPending(addr, 0); err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
|
|
addr = &net.TCPAddr{
|
|
IP: net.ParseIP("127.0.0.1"),
|
|
Port: 18556,
|
|
}
|
|
|
|
if err := bobChannelState.SyncPending(addr, 0); err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
|
|
cleanUpFunc := func() {
|
|
os.RemoveAll(bobPath)
|
|
os.RemoveAll(alicePath)
|
|
}
|
|
|
|
aliceSigner := &mockSigner{aliceKeyPriv}
|
|
bobSigner := &mockSigner{bobKeyPriv}
|
|
|
|
channelAlice, err := lnwallet.NewLightningChannel(
|
|
aliceSigner, nil, aliceChannelState,
|
|
)
|
|
if err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
channelBob, err := lnwallet.NewLightningChannel(
|
|
bobSigner, nil, bobChannelState,
|
|
)
|
|
if err != nil {
|
|
return nil, nil, nil, nil, err
|
|
}
|
|
|
|
chainIO := &mockChainIO{}
|
|
wallet := &lnwallet.LightningWallet{
|
|
WalletController: &mockWalletController{
|
|
rootKey: aliceKeyPriv,
|
|
publishedTransactions: publTx,
|
|
},
|
|
}
|
|
cc := &chainControl{
|
|
feeEstimator: estimator,
|
|
chainIO: chainIO,
|
|
chainNotifier: notifier,
|
|
wallet: wallet,
|
|
}
|
|
|
|
breachArbiter := &breachArbiter{}
|
|
|
|
chainArb := contractcourt.NewChainArbitrator(
|
|
contractcourt.ChainArbitratorConfig{
|
|
Notifier: notifier,
|
|
ChainIO: chainIO,
|
|
}, dbAlice,
|
|
)
|
|
chainArb.WatchNewChannel(aliceChannelState)
|
|
|
|
s := &server{
|
|
chanDB: dbAlice,
|
|
cc: cc,
|
|
breachArbiter: breachArbiter,
|
|
chainArb: chainArb,
|
|
}
|
|
s.htlcSwitch = htlcswitch.New(htlcswitch.Config{})
|
|
s.htlcSwitch.Start()
|
|
|
|
alicePeer := &peer{
|
|
server: s,
|
|
sendQueue: make(chan outgoingMsg, 1),
|
|
outgoingQueue: make(chan outgoingMsg, outgoingQueueLen),
|
|
|
|
activeChannels: make(map[lnwire.ChannelID]*lnwallet.LightningChannel),
|
|
newChannels: make(chan *newChannelMsg, 1),
|
|
|
|
activeChanCloses: make(map[lnwire.ChannelID]*channelCloser),
|
|
localCloseChanReqs: make(chan *htlcswitch.ChanClose),
|
|
chanCloseMsgs: make(chan *closeMsg),
|
|
|
|
queueQuit: make(chan struct{}),
|
|
quit: make(chan struct{}),
|
|
}
|
|
|
|
chanID := lnwire.NewChanIDFromOutPoint(channelAlice.ChannelPoint())
|
|
alicePeer.activeChannels[chanID] = channelAlice
|
|
|
|
go alicePeer.channelManager()
|
|
|
|
return alicePeer, channelAlice, channelBob, cleanUpFunc, nil
|
|
}
|