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link+peer: thread anchor tower client to link

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This commit is contained in:
Conner Fromknecht
2020-11-25 15:06:46 -08:00
parent 094ce09644
commit 0d0f22aacb
3 changed files with 25 additions and 19 deletions
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23
htlcswitch/link.go
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@@ -256,7 +256,7 @@ type ChannelLinkConfig struct {
// TowerClient is an optional engine that manages the signing,
// encrypting, and uploading of justice transactions to the daemon's
// configured set of watchtowers.
// configured set of watchtowers for legacy channels.
TowerClient TowerClient
// MaxOutgoingCltvExpiry is the maximum outgoing timelock that the link
@@ -435,12 +435,7 @@ func (l *channelLink) Start() error {
// If the config supplied watchtower client, ensure the channel is
// registered before trying to use it during operation.
// TODO(halseth): support anchor types for watchtower.
state := l.channel.State()
if l.cfg.TowerClient != nil && state.ChanType.HasAnchors() {
l.log.Warnf("Skipping tower registration for anchor " +
"channel type")
} else if l.cfg.TowerClient != nil && !state.ChanType.HasAnchors() {
if l.cfg.TowerClient != nil {
err := l.cfg.TowerClient.RegisterChannel(l.ChanID())
if err != nil {
return err
@@ -1835,14 +1830,9 @@ func (l *channelLink) handleUpstreamMsg(msg lnwire.Message) {
return
}
// If we have a tower client, we'll proceed in backing up the
// state that was just revoked.
// TODO(halseth): support anchor types for watchtower.
state := l.channel.State()
if l.cfg.TowerClient != nil && state.ChanType.HasAnchors() {
l.log.Warnf("Skipping tower backup for anchor " +
"channel type")
} else if l.cfg.TowerClient != nil && !state.ChanType.HasAnchors() {
// If we have a tower client for this channel type, we'll
if l.cfg.TowerClient != nil {
state := l.channel.State()
breachInfo, err := lnwallet.NewBreachRetribution(
state, state.RemoteCommitment.CommitHeight-1, 0,
)
@@ -1852,10 +1842,9 @@ func (l *channelLink) handleUpstreamMsg(msg lnwire.Message) {
return
}
chanType := l.channel.State().ChanType
chanID := l.ChanID()
err = l.cfg.TowerClient.BackupState(
&chanID, breachInfo, chanType,
&chanID, breachInfo, state.ChanType,
)
if err != nil {
l.fail(LinkFailureError{code: ErrInternalError},