test: add TestForceClose for lnwallet package
This commit is contained in:
Christopher Jämthagen
Olaoluwa Osuntokun
parent
ce1fcc0bd6
commit
810d8c286e
|
|
@ -842,9 +842,185 @@ func TestCheckHTLCNumberConstraint(t *testing.T) {
|
|||
|
||||
}
|
||||
|
||||
// TestCheckDustLimit checks that unsettled HTLC with dust limit not included
|
||||
// in commitment transaction as output, but sender balance is decreased
|
||||
// (thereby all unsettled dust HTLCs will go to miners fee).
|
||||
// TestForceClose checks that the resulting ForceCloseSummary is correct when
|
||||
// a peer is ForceClosing the channel. Will check outputs both above and below
|
||||
// the dust limit.
|
||||
// TODO(cjamthagen): Check HTLCs when implemented.
|
||||
func TestForceClose(t *testing.T) {
|
||||
createHTLC := func(data, amount btcutil.Amount) (*lnwire.UpdateAddHTLC,
|
||||
[32]byte) {
|
||||
preimage := bytes.Repeat([]byte{byte(data)}, 32)
|
||||
paymentHash := fastsha256.Sum256(preimage)
|
||||
|
||||
var returnPreimage [32]byte
|
||||
copy(returnPreimage[:], preimage)
|
||||
|
||||
return &lnwire.UpdateAddHTLC{
|
||||
PaymentHash: paymentHash,
|
||||
Amount: amount,
|
||||
Expiry: uint32(5),
|
||||
}, returnPreimage
|
||||
}
|
||||
|
||||
// Create a test channel which will be used for the duration of this
|
||||
// unittest. The channel will be funded evenly with Alice having 5 BTC,
|
||||
// and Bob having 5 BTC.
|
||||
aliceChannel, bobChannel, cleanUp, err := createTestChannels(3)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to create test channels: %v", err)
|
||||
}
|
||||
defer cleanUp()
|
||||
|
||||
htlcAmount := btcutil.Amount(500)
|
||||
|
||||
aliceAmount := aliceChannel.channelState.OurBalance
|
||||
bobAmount := bobChannel.channelState.OurBalance
|
||||
|
||||
closeSummary, err := aliceChannel.ForceClose()
|
||||
if err != nil {
|
||||
t.Fatalf("unable to force close channel: %v", err)
|
||||
}
|
||||
|
||||
// The SelfOutputSignDesc should be non-nil since the outout to-self is non-dust.
|
||||
if closeSummary.SelfOutputSignDesc == nil {
|
||||
t.Fatalf("alice fails to include to-self output in ForceCloseSummary")
|
||||
} else {
|
||||
if closeSummary.SelfOutputSignDesc.PubKey != aliceChannel.channelState.OurCommitKey {
|
||||
t.Fatalf("alice incorrect pubkey in SelfOutputSignDesc")
|
||||
}
|
||||
if closeSummary.SelfOutputSignDesc.Output.Value != int64(aliceAmount) {
|
||||
t.Fatalf("alice incorrect output value in SelfOutputSignDesc, "+
|
||||
"expected %v, got %v", aliceChannel.channelState.OurBalance,
|
||||
closeSummary.SelfOutputSignDesc.Output.Value)
|
||||
}
|
||||
}
|
||||
|
||||
if closeSummary.SelfOutputMaturity != aliceChannel.channelState.LocalCsvDelay {
|
||||
t.Fatalf("alice: incorrect local CSV delay in ForceCloseSummary, "+
|
||||
"expected %v, got %v", aliceChannel.channelState.LocalCsvDelay,
|
||||
closeSummary.SelfOutputMaturity)
|
||||
}
|
||||
|
||||
closeTxHash := closeSummary.CloseTx.TxHash()
|
||||
commitTxHash := aliceChannel.channelState.OurCommitTx.TxHash()
|
||||
if !bytes.Equal(closeTxHash[:], commitTxHash[:]) {
|
||||
t.Fatalf("alice: incorrect close transaction txid")
|
||||
}
|
||||
|
||||
// Check the same for Bobs' ForceCloseSummary
|
||||
closeSummary, err = bobChannel.ForceClose()
|
||||
if err != nil {
|
||||
t.Fatalf("unable to force close channel: %v", err)
|
||||
}
|
||||
if closeSummary.SelfOutputSignDesc == nil {
|
||||
t.Fatalf("bob fails to include to-self output in ForceCloseSummary")
|
||||
} else {
|
||||
if closeSummary.SelfOutputSignDesc.PubKey != bobChannel.channelState.OurCommitKey {
|
||||
t.Fatalf("bob incorrect pubkey in SelfOutputSignDesc")
|
||||
}
|
||||
if closeSummary.SelfOutputSignDesc.Output.Value != int64(bobAmount) {
|
||||
t.Fatalf("bob incorrect output value in SelfOutputSignDesc, "+
|
||||
"expected %v, got %v", bobChannel.channelState.OurBalance,
|
||||
closeSummary.SelfOutputSignDesc.Output.Value)
|
||||
}
|
||||
}
|
||||
|
||||
if closeSummary.SelfOutputMaturity != bobChannel.channelState.LocalCsvDelay {
|
||||
t.Fatalf("bob: incorrect local CSV delay in ForceCloseSummary, "+
|
||||
"expected %v, got %v", bobChannel.channelState.LocalCsvDelay,
|
||||
closeSummary.SelfOutputMaturity)
|
||||
}
|
||||
|
||||
closeTxHash = closeSummary.CloseTx.TxHash()
|
||||
commitTxHash = bobChannel.channelState.OurCommitTx.TxHash()
|
||||
if !bytes.Equal(closeTxHash[:], commitTxHash[:]) {
|
||||
t.Fatalf("bob: incorrect close transaction txid")
|
||||
}
|
||||
|
||||
// "re-open" channels
|
||||
aliceChannel.status = channelOpen
|
||||
bobChannel.status = channelOpen
|
||||
aliceChannel.ForceCloseSignal = make(chan struct{})
|
||||
bobChannel.ForceCloseSignal = make(chan struct{})
|
||||
|
||||
// Have Bobs' to-self output be below her dust limit and check ForceCloseSummary again on both peers.
|
||||
htlc, preimage := createHTLC(0, bobAmount-htlcAmount)
|
||||
if _, err := bobChannel.AddHTLC(htlc); err != nil {
|
||||
t.Fatalf("alice unable to add htlc: %v", err)
|
||||
}
|
||||
if _, err := aliceChannel.ReceiveHTLC(htlc); err != nil {
|
||||
t.Fatalf("bob unable to receive htlc: %v", err)
|
||||
}
|
||||
if err := forceStateTransition(bobChannel, aliceChannel); err != nil {
|
||||
t.Fatalf("Can't update the channel state: %v", err)
|
||||
}
|
||||
|
||||
// Settle HTLC and sign new commitment.
|
||||
settleIndex, err := aliceChannel.SettleHTLC(preimage)
|
||||
if err != nil {
|
||||
t.Fatalf("bob unable to settle inbound htlc: %v", err)
|
||||
}
|
||||
err = bobChannel.ReceiveHTLCSettle(preimage, settleIndex)
|
||||
if err != nil {
|
||||
t.Fatalf("alice unable to accept settle of outbound htlc: %v", err)
|
||||
}
|
||||
if err := forceStateTransition(aliceChannel, bobChannel); err != nil {
|
||||
t.Fatalf("Can't update the channel state: %v", err)
|
||||
}
|
||||
|
||||
aliceAmount = aliceChannel.channelState.OurBalance
|
||||
bobAmount = bobChannel.channelState.OurBalance
|
||||
|
||||
closeSummary, err = aliceChannel.ForceClose()
|
||||
if err != nil {
|
||||
t.Fatalf("unable to force close channel: %v", err)
|
||||
}
|
||||
|
||||
// Alices' to-self output should still be in the commitment transaction.
|
||||
if closeSummary.SelfOutputSignDesc == nil {
|
||||
t.Fatalf("alice fails to include to-self output in ForceCloseSummary")
|
||||
} else {
|
||||
if closeSummary.SelfOutputSignDesc.PubKey != aliceChannel.channelState.OurCommitKey {
|
||||
t.Fatalf("alice incorrect pubkey in SelfOutputSignDesc")
|
||||
}
|
||||
if closeSummary.SelfOutputSignDesc.Output.Value != int64(aliceAmount) {
|
||||
t.Fatalf("alice incorrect output value in SelfOutputSignDesc, "+
|
||||
"expected %v, got %v", aliceChannel.channelState.OurBalance,
|
||||
closeSummary.SelfOutputSignDesc.Output.Value)
|
||||
}
|
||||
}
|
||||
|
||||
if closeSummary.SelfOutputMaturity != aliceChannel.channelState.LocalCsvDelay {
|
||||
t.Fatalf("alice: incorrect local CSV delay in ForceCloseSummary, "+
|
||||
"expected %v, got %v", aliceChannel.channelState.LocalCsvDelay,
|
||||
closeSummary.SelfOutputMaturity)
|
||||
}
|
||||
|
||||
closeTxHash = closeSummary.CloseTx.TxHash()
|
||||
commitTxHash = aliceChannel.channelState.OurCommitTx.TxHash()
|
||||
if !bytes.Equal(closeTxHash[:], commitTxHash[:]) {
|
||||
t.Fatalf("alice: incorrect close transaction txid")
|
||||
}
|
||||
|
||||
closeSummary, err = bobChannel.ForceClose()
|
||||
if err != nil {
|
||||
t.Fatalf("unable to force close channel: %v", err)
|
||||
}
|
||||
// Bob's to-self output is below Bob's dust value and should be reflected in the ForceCloseSummary.
|
||||
if closeSummary.SelfOutputSignDesc != nil {
|
||||
t.Fatalf("bob incorrectly includes to-self output in ForceCloseSummary")
|
||||
}
|
||||
|
||||
closeTxHash = closeSummary.CloseTx.TxHash()
|
||||
commitTxHash = bobChannel.channelState.OurCommitTx.TxHash()
|
||||
if !bytes.Equal(closeTxHash[:], commitTxHash[:]) {
|
||||
t.Fatalf("bob: incorrect close transaction txid")
|
||||
}
|
||||
}
|
||||
|
||||
// TestCheckDustLimit checks that unsettled HTLC with dust limit not included in
|
||||
// commitment transaction as output, but sender balance is decreased (thereby all
|
||||
// unsettled dust HTLCs will go to miners fee).
|
||||
func TestCheckDustLimit(t *testing.T) {
|
||||
createHTLC := func(data, amount btcutil.Amount) (*lnwire.UpdateAddHTLC,
|
||||
[32]byte) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user