mirror of
https://github.com/lightningnetwork/lnd.git
synced 2024-11-19 18:10:34 +01:00
7dfe4018ce
This commit was previously split into the following parts to ease review: - 2d746f68: replace imports - 4008f0fd: use ecdsa.Signature - 849e33d1: remove btcec.S256() - b8f6ebbd: use v2 library correctly - fa80bca9: bump go modules
387 lines
11 KiB
Go
387 lines
11 KiB
Go
package htlcswitch_test
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"testing"
|
|
|
|
"github.com/btcsuite/btcd/btcutil"
|
|
"github.com/btcsuite/btcd/wire"
|
|
"github.com/lightningnetwork/lnd/channeldb"
|
|
"github.com/lightningnetwork/lnd/htlcswitch"
|
|
"github.com/lightningnetwork/lnd/kvdb"
|
|
"github.com/lightningnetwork/lnd/lnwire"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
var (
|
|
// closedChannelBucket stores summarization information concerning
|
|
// previously open, but now closed channels.
|
|
closedChannelBucket = []byte("closed-chan-bucket")
|
|
)
|
|
|
|
// TestCircuitMapCleanClosedChannels checks that the circuits and keystones are
|
|
// deleted for closed channels upon restart.
|
|
func TestCircuitMapCleanClosedChannels(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
var (
|
|
// chanID0 is a zero value channel ID indicating a locally
|
|
// initiated payment.
|
|
chanID0 = lnwire.NewShortChanIDFromInt(uint64(0))
|
|
chanID1 = lnwire.NewShortChanIDFromInt(uint64(1))
|
|
chanID2 = lnwire.NewShortChanIDFromInt(uint64(2))
|
|
|
|
inKey00 = htlcswitch.CircuitKey{ChanID: chanID0, HtlcID: 0}
|
|
inKey10 = htlcswitch.CircuitKey{ChanID: chanID1, HtlcID: 0}
|
|
inKey11 = htlcswitch.CircuitKey{ChanID: chanID1, HtlcID: 1}
|
|
inKey20 = htlcswitch.CircuitKey{ChanID: chanID2, HtlcID: 0}
|
|
inKey21 = htlcswitch.CircuitKey{ChanID: chanID2, HtlcID: 1}
|
|
inKey22 = htlcswitch.CircuitKey{ChanID: chanID2, HtlcID: 2}
|
|
outKey00 = htlcswitch.CircuitKey{ChanID: chanID0, HtlcID: 0}
|
|
outKey10 = htlcswitch.CircuitKey{ChanID: chanID1, HtlcID: 0}
|
|
outKey11 = htlcswitch.CircuitKey{ChanID: chanID1, HtlcID: 1}
|
|
outKey20 = htlcswitch.CircuitKey{ChanID: chanID2, HtlcID: 0}
|
|
outKey21 = htlcswitch.CircuitKey{ChanID: chanID2, HtlcID: 1}
|
|
outKey22 = htlcswitch.CircuitKey{ChanID: chanID2, HtlcID: 2}
|
|
)
|
|
|
|
type closeChannelParams struct {
|
|
chanID lnwire.ShortChannelID
|
|
isPending bool
|
|
}
|
|
|
|
testParams := []struct {
|
|
name string
|
|
|
|
// keystones is used to create and open circuits. A keystone is
|
|
// a pair of circuit keys, inKey and outKey, with the outKey
|
|
// optionally being empty. If a keystone with an outKey is used,
|
|
// a circuit will be created and opened, thus creating a circuit
|
|
// and a keystone in the DB. Otherwise, only the circuit is
|
|
// created.
|
|
keystones []htlcswitch.Keystone
|
|
|
|
chanParams []closeChannelParams
|
|
deleted []htlcswitch.Keystone
|
|
untouched []htlcswitch.Keystone
|
|
}{
|
|
{
|
|
name: "no deletion if there are no closed channels",
|
|
keystones: []htlcswitch.Keystone{
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey10, OutKey: outKey10},
|
|
},
|
|
untouched: []htlcswitch.Keystone{
|
|
{InKey: inKey10, OutKey: outKey10},
|
|
},
|
|
},
|
|
{
|
|
name: "no deletion if channel is pending close",
|
|
chanParams: []closeChannelParams{
|
|
// Creates a pending close channel.
|
|
{chanID: chanID1, isPending: true},
|
|
},
|
|
keystones: []htlcswitch.Keystone{
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey10, OutKey: outKey10},
|
|
},
|
|
untouched: []htlcswitch.Keystone{
|
|
{InKey: inKey10, OutKey: outKey10},
|
|
},
|
|
},
|
|
{
|
|
name: "no deletion if the chanID is zero value",
|
|
chanParams: []closeChannelParams{
|
|
// Creates a close channel with chanID0.
|
|
{chanID: chanID0, isPending: false},
|
|
},
|
|
keystones: []htlcswitch.Keystone{
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey00, OutKey: outKey00},
|
|
},
|
|
untouched: []htlcswitch.Keystone{
|
|
{InKey: inKey00, OutKey: outKey00},
|
|
},
|
|
},
|
|
{
|
|
name: "delete half circuits on inKey match",
|
|
chanParams: []closeChannelParams{
|
|
// Creates a close channel with chanID1.
|
|
{chanID: chanID1, isPending: false},
|
|
},
|
|
keystones: []htlcswitch.Keystone{
|
|
// Creates a circuit, no keystone created
|
|
{InKey: inKey10},
|
|
// Creates a circuit, no keystone created
|
|
{InKey: inKey11},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey20, OutKey: outKey20},
|
|
},
|
|
deleted: []htlcswitch.Keystone{
|
|
{InKey: inKey00}, {InKey: inKey11},
|
|
},
|
|
untouched: []htlcswitch.Keystone{
|
|
{InKey: inKey20, OutKey: outKey20},
|
|
},
|
|
},
|
|
{
|
|
name: "delete half circuits on outKey match",
|
|
chanParams: []closeChannelParams{
|
|
// Creates a close channel with chanID1.
|
|
{chanID: chanID1, isPending: false},
|
|
},
|
|
keystones: []htlcswitch.Keystone{
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey20, OutKey: outKey10},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey21, OutKey: outKey11},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey22, OutKey: outKey21},
|
|
},
|
|
deleted: []htlcswitch.Keystone{
|
|
{InKey: inKey20, OutKey: outKey10},
|
|
{InKey: inKey21, OutKey: outKey11},
|
|
},
|
|
untouched: []htlcswitch.Keystone{
|
|
{InKey: inKey22, OutKey: outKey21},
|
|
},
|
|
},
|
|
{
|
|
name: "delete full circuits on inKey match",
|
|
chanParams: []closeChannelParams{
|
|
// Creates a close channel with chanID1.
|
|
{chanID: chanID1, isPending: false},
|
|
},
|
|
keystones: []htlcswitch.Keystone{
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey10, OutKey: outKey20},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey11, OutKey: outKey21},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey20, OutKey: outKey22},
|
|
},
|
|
deleted: []htlcswitch.Keystone{
|
|
{InKey: inKey10, OutKey: outKey20},
|
|
{InKey: inKey11, OutKey: outKey21},
|
|
},
|
|
untouched: []htlcswitch.Keystone{
|
|
{InKey: inKey20, OutKey: outKey22},
|
|
},
|
|
},
|
|
{
|
|
name: "delete full circuits on outKey match",
|
|
chanParams: []closeChannelParams{
|
|
// Creates a close channel with chanID1.
|
|
{chanID: chanID1, isPending: false},
|
|
},
|
|
keystones: []htlcswitch.Keystone{
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey20, OutKey: outKey10},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey21, OutKey: outKey11},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey22, OutKey: outKey20},
|
|
},
|
|
deleted: []htlcswitch.Keystone{
|
|
{InKey: inKey20, OutKey: outKey10},
|
|
{InKey: inKey21, OutKey: outKey11},
|
|
},
|
|
untouched: []htlcswitch.Keystone{
|
|
{InKey: inKey22, OutKey: outKey20},
|
|
},
|
|
},
|
|
{
|
|
name: "delete all circuits",
|
|
chanParams: []closeChannelParams{
|
|
// Creates a close channel with chanID1.
|
|
{chanID: chanID1, isPending: false},
|
|
// Creates a close channel with chanID2.
|
|
{chanID: chanID2, isPending: false},
|
|
},
|
|
keystones: []htlcswitch.Keystone{
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey20, OutKey: outKey10},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey21, OutKey: outKey11},
|
|
// Creates a circuit and a keystone
|
|
{InKey: inKey22, OutKey: outKey20},
|
|
},
|
|
deleted: []htlcswitch.Keystone{
|
|
{InKey: inKey20, OutKey: outKey10},
|
|
{InKey: inKey21, OutKey: outKey11},
|
|
{InKey: inKey22, OutKey: outKey20},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range testParams {
|
|
test := tt
|
|
|
|
t.Run(test.name, func(t *testing.T) {
|
|
cfg, circuitMap := newCircuitMap(t)
|
|
|
|
// create test circuits
|
|
for _, ks := range test.keystones {
|
|
err := createTestCircuit(ks, circuitMap)
|
|
require.NoError(
|
|
t, err,
|
|
"failed to create test circuit",
|
|
)
|
|
}
|
|
|
|
// create close channels
|
|
err := kvdb.Update(cfg.DB, func(tx kvdb.RwTx) error {
|
|
for _, channel := range test.chanParams {
|
|
if err := createTestCloseChannelSummery(
|
|
tx, channel.isPending,
|
|
channel.chanID,
|
|
); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}, func() {})
|
|
|
|
require.NoError(
|
|
t, err,
|
|
"failed to create close channel summery",
|
|
)
|
|
|
|
// Now, restart the circuit map, and check that the
|
|
// circuits and keystones of closed channels are
|
|
// deleted in DB.
|
|
_, circuitMap = restartCircuitMap(t, cfg)
|
|
|
|
// Check that items are deleted. LookupCircuit and
|
|
// LookupOpenCircuit will check the cached circuits,
|
|
// which are loaded on restart from the DB.
|
|
for _, ks := range test.deleted {
|
|
assertKeystoneDeleted(t, circuitMap, ks)
|
|
}
|
|
|
|
// We also check we are not deleting wanted circuits.
|
|
for _, ks := range test.untouched {
|
|
assertKeystoneNotDeleted(t, circuitMap, ks)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// createTestCircuit creates a circuit for testing with its incoming key being
|
|
// the keystone's InKey. If the keystone has an OutKey, the circuit will be
|
|
// opened, which causes a Keystone to be created in DB.
|
|
func createTestCircuit(ks htlcswitch.Keystone, cm htlcswitch.CircuitMap) error {
|
|
circuit := &htlcswitch.PaymentCircuit{
|
|
Incoming: ks.InKey,
|
|
ErrorEncrypter: testExtracter,
|
|
}
|
|
|
|
// First we will try to add an new circuit to the circuit map, this
|
|
// should succeed.
|
|
_, err := cm.CommitCircuits(circuit)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to commit circuits: %v", err)
|
|
}
|
|
|
|
// If the keystone has no outgoing key, we won't open it.
|
|
if ks.OutKey == htlcswitch.EmptyCircuitKey {
|
|
return nil
|
|
}
|
|
|
|
// Open the circuit, implicitly creates a keystone on disk.
|
|
err = cm.OpenCircuits(ks)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to open circuits: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// assertKeystoneDeleted checks that a given keystone is deleted from the
|
|
// circuit map.
|
|
func assertKeystoneDeleted(t *testing.T,
|
|
cm htlcswitch.CircuitLookup, ks htlcswitch.Keystone) {
|
|
|
|
c := cm.LookupCircuit(ks.InKey)
|
|
require.Nil(t, c, "no circuit should be found using InKey")
|
|
|
|
if ks.OutKey != htlcswitch.EmptyCircuitKey {
|
|
c = cm.LookupOpenCircuit(ks.OutKey)
|
|
require.Nil(t, c, "no circuit should be found using OutKey")
|
|
}
|
|
}
|
|
|
|
// assertKeystoneDeleted checks that a given keystone is not deleted from the
|
|
// circuit map.
|
|
func assertKeystoneNotDeleted(t *testing.T,
|
|
cm htlcswitch.CircuitLookup, ks htlcswitch.Keystone) {
|
|
|
|
c := cm.LookupCircuit(ks.InKey)
|
|
require.NotNil(t, c, "expecting circuit found using InKey")
|
|
|
|
if ks.OutKey != htlcswitch.EmptyCircuitKey {
|
|
c = cm.LookupOpenCircuit(ks.OutKey)
|
|
require.NotNil(t, c, "expecting circuit found using OutKey")
|
|
}
|
|
}
|
|
|
|
// createTestCloseChannelSummery creates a CloseChannelSummery for testing.
|
|
func createTestCloseChannelSummery(tx kvdb.RwTx, isPending bool,
|
|
chanID lnwire.ShortChannelID) error {
|
|
|
|
closedChanBucket, err := tx.CreateTopLevelBucket(closedChannelBucket)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
outputPoint := wire.OutPoint{Hash: hash1, Index: 1}
|
|
|
|
ccs := &channeldb.ChannelCloseSummary{
|
|
ChanPoint: outputPoint,
|
|
ShortChanID: chanID,
|
|
ChainHash: hash1,
|
|
ClosingTXID: hash2,
|
|
CloseHeight: 100,
|
|
RemotePub: testEphemeralKey,
|
|
Capacity: btcutil.Amount(10000),
|
|
SettledBalance: btcutil.Amount(50000),
|
|
CloseType: channeldb.RemoteForceClose,
|
|
IsPending: isPending,
|
|
}
|
|
var b bytes.Buffer
|
|
if err := serializeChannelCloseSummary(&b, ccs); err != nil {
|
|
return err
|
|
}
|
|
|
|
var chanPointBuf bytes.Buffer
|
|
if err := lnwire.WriteOutPoint(&chanPointBuf, outputPoint); err != nil {
|
|
return err
|
|
}
|
|
|
|
return closedChanBucket.Put(chanPointBuf.Bytes(), b.Bytes())
|
|
}
|
|
|
|
func serializeChannelCloseSummary(
|
|
w io.Writer,
|
|
cs *channeldb.ChannelCloseSummary) error {
|
|
|
|
err := channeldb.WriteElements(
|
|
w,
|
|
cs.ChanPoint, cs.ShortChanID, cs.ChainHash, cs.ClosingTXID,
|
|
cs.CloseHeight, cs.RemotePub, cs.Capacity, cs.SettledBalance,
|
|
cs.TimeLockedBalance, cs.CloseType, cs.IsPending,
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// If this is a close channel summary created before the addition of
|
|
// the new fields, then we can exit here.
|
|
if cs.RemoteCurrentRevocation == nil {
|
|
return channeldb.WriteElements(w, false)
|
|
}
|
|
|
|
return nil
|
|
}
|