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htlcswitch: move retransmissionTests var into scope of test

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Olaoluwa Osuntokun 2017-11-10 15:20:27 -08:00
parent fceec1306d
commit 5e2b2a5cc8
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1 changed files with 130 additions and 109 deletions
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239
htlcswitch/link_test.go
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@ -1718,120 +1718,141 @@ func TestChannelLinkBandwidthConsistencyOverflow(t *testing.T) {
}
}
var retransmissionTests = []struct {
name string
messages []expectedMessage
}{
{
// Tests the ability of the channel links states to be synchronized
// after remote node haven't receive revoke and ack message.
name: "intercept last alice revoke_and_ack",
messages: []expectedMessage{
// First initialization of the channel.
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
// Send payment from Alice to Bob and intercept the last revocation
// message, in this case Bob should not proceed the payment farther.
{"alice", "bob", &lnwire.UpdateAddHTLC{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, true},
// Reestablish messages exchange on nodes restart.
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
// Alice should resend the revoke_and_ack message to Bob because Bob
// claimed it in the reestbalish message.
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
// Proceed the payment farther by sending the fulfilment message and
// trigger the state update.
{"bob", "alice", &lnwire.UpdateFufillHTLC{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
},
},
{
// Tests the ability of the channel links states to be synchronized
// after remote node haven't receive revoke and ack message.
name: "intercept bob revoke_and_ack commit_sig messages",
messages: []expectedMessage{
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
// Send payment from Alice to Bob and intercept the last revocation
// message, in this case Bob should not proceed the payment farther.
{"alice", "bob", &lnwire.UpdateAddHTLC{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
// Intercept bob commit sig and revoke and ack messages.
{"bob", "alice", &lnwire.RevokeAndAck{}, true},
{"bob", "alice", &lnwire.CommitSig{}, true},
// Reestablish messages exchange on nodes restart.
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
// Bob should resend previously intercepted messages.
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
// Proceed the payment farther by sending the fulfilment message and
// trigger the state update.
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.UpdateFufillHTLC{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
},
},
{
// Tests the ability of the channel links states to be synchronized
// after remote node haven't receive update and commit sig messages.
name: "intercept update add htlc and commit sig messages",
messages: []expectedMessage{
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
// Attempt make a payment from Alice to Bob, which is intercepted,
// emulating the Bob server abrupt stop.
{"alice", "bob", &lnwire.UpdateAddHTLC{}, true},
{"alice", "bob", &lnwire.CommitSig{}, true},
// Restart of the nodes, and after that nodes should exchange the
// reestablish messages.
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
// After Bob has notified Alice that he didn't receive updates Alice
// should re-send them.
{"alice", "bob", &lnwire.UpdateAddHTLC{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.UpdateFufillHTLC{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
},
},
}
// TestChannelRetransmission tests the ability of the channel links to
// synchronize theirs states after abrupt disconnect.
func TestChannelRetransmission(t *testing.T) {
t.Parallel()
retransmissionTests := []struct {
name string
messages []expectedMessage
}{
{
// Tests the ability of the channel links states to be
// synchronized after remote node haven't receive
// revoke and ack message.
name: "intercept last alice revoke_and_ack",
messages: []expectedMessage{
// First initialization of the channel.
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
{"alice", "bob", &lnwire.FundingLocked{}, false},
{"bob", "alice", &lnwire.FundingLocked{}, false},
// Send payment from Alice to Bob and intercept
// the last revocation message, in this case
// Bob should not proceed the payment farther.
{"alice", "bob", &lnwire.UpdateAddHTLC{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, true},
// Reestablish messages exchange on nodes restart.
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
// Alice should resend the revoke_and_ack
// message to Bob because Bob claimed it in the
// reestbalish message.
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
// Proceed the payment farther by sending the
// fulfilment message and trigger the state
// update.
{"bob", "alice", &lnwire.UpdateFufillHTLC{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
},
},
{
// Tests the ability of the channel links states to be
// synchronized after remote node haven't receive
// revoke and ack message.
name: "intercept bob revoke_and_ack commit_sig messages",
messages: []expectedMessage{
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
{"alice", "bob", &lnwire.FundingLocked{}, false},
{"bob", "alice", &lnwire.FundingLocked{}, false},
// Send payment from Alice to Bob and intercept
// the last revocation message, in this case
// Bob should not proceed the payment farther.
{"alice", "bob", &lnwire.UpdateAddHTLC{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
// Intercept bob commit sig and revoke and ack
// messages.
{"bob", "alice", &lnwire.RevokeAndAck{}, true},
{"bob", "alice", &lnwire.CommitSig{}, true},
// Reestablish messages exchange on nodes restart.
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
// Bob should resend previously intercepted messages.
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
// Proceed the payment farther by sending the
// fulfilment message and trigger the state
// update.
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.UpdateFufillHTLC{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
},
},
{
// Tests the ability of the channel links states to be
// synchronized after remote node haven't receive
// update and commit sig messages.
name: "intercept update add htlc and commit sig messages",
messages: []expectedMessage{
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
{"alice", "bob", &lnwire.FundingLocked{}, false},
{"bob", "alice", &lnwire.FundingLocked{}, false},
// Attempt make a payment from Alice to Bob,
// which is intercepted, emulating the Bob
// server abrupt stop.
{"alice", "bob", &lnwire.UpdateAddHTLC{}, true},
{"alice", "bob", &lnwire.CommitSig{}, true},
// Restart of the nodes, and after that nodes
// should exchange the reestablish messages.
{"alice", "bob", &lnwire.ChannelReestablish{}, false},
{"bob", "alice", &lnwire.ChannelReestablish{}, false},
{"alice", "bob", &lnwire.FundingLocked{}, false},
{"bob", "alice", &lnwire.FundingLocked{}, false},
// After Bob has notified Alice that he didn't
// receive updates Alice should re-send them.
{"alice", "bob", &lnwire.UpdateAddHTLC{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"bob", "alice", &lnwire.UpdateFufillHTLC{}, false},
{"bob", "alice", &lnwire.CommitSig{}, false},
{"alice", "bob", &lnwire.RevokeAndAck{}, false},
{"alice", "bob", &lnwire.CommitSig{}, false},
{"bob", "alice", &lnwire.RevokeAndAck{}, false},
},
},
}
paymentWithRestart := func(t *testing.T, messages []expectedMessage) {
channels, cleanUp, restoreChannelsFromDb, err := createClusterChannels(
btcutil.SatoshiPerBitcoin*5,