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autopilot/agent: signal balanceUpdates on own channel

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This commit is contained in:
Johan T. Halseth 2018-09-04 10:16:02 +02:00
parent a9a9c9aeb4
commit 0d4df54118
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GPG Key ID: 15BAADA29DA20D26
1 changed files with 21 additions and 21 deletions
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42
autopilot/agent.go
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@ -117,6 +117,12 @@ type Agent struct {
// affect the heuristics of the agent will be sent over.
stateUpdates chan interface{}
// balanceUpdates is a channel where notifications about updates to the
// wallet's balance will be sent. This channel will be buffered to
// ensure we have at most one pending update of this type to handle at
// a given time.
balanceUpdates chan *balanceUpdate
// nodeUpdates is a channel that changes to the graph node landscape
// will be sent over. This channel will be buffered to ensure we have
// at most one pending update of this type to handle at a given time.
@ -153,6 +159,7 @@ func New(cfg Config, initialState []Channel) (*Agent, error) {
chanState: make(map[lnwire.ShortChannelID]Channel),
quit: make(chan struct{}),
stateUpdates: make(chan interface{}),
balanceUpdates: make(chan *balanceUpdate, 1),
nodeUpdates: make(chan *nodeUpdates, 1),
chanOpenFailures: make(chan *chanOpenFailureUpdate, 1),
pendingOpenUpdates: make(chan *chanPendingOpenUpdate, 1),
@ -226,18 +233,13 @@ type chanCloseUpdate struct {
closedChans []lnwire.ShortChannelID
}
// OnBalanceChange is a callback that should be executed each time the balance of
// the backing wallet changes.
// OnBalanceChange is a callback that should be executed each time the balance
// of the backing wallet changes.
func (a *Agent) OnBalanceChange() {
a.wg.Add(1)
go func() {
defer a.wg.Done()
select {
case a.stateUpdates <- &balanceUpdate{}:
case <-a.quit:
}
}()
select {
case a.balanceUpdates <- &balanceUpdate{}:
default:
}
}
// OnNodeUpdates is a callback that should be executed each time our channel
@ -385,16 +387,6 @@ func (a *Agent) controller() {
log.Infof("Processing new external signal")
switch update := signal.(type) {
// The balance of the backing wallet has changed, if
// more funds are now available, we may attempt to open
// up an additional channel, or splice in funds to an
// existing one.
case *balanceUpdate:
log.Debug("Applying external balance state " +
"update")
updateBalance()
// A new channel has been opened successfully. This was
// either opened by the Agent, or an external system
// that is able to drive the Lightning Node.
@ -430,6 +422,14 @@ func (a *Agent) controller() {
case <-a.pendingOpenUpdates:
updateBalance()
// The balance of the backing wallet has changed, if more funds
// are now available, we may attempt to open up an additional
// channel, or splice in funds to an existing one.
case <-a.balanceUpdates:
log.Debug("Applying external balance state update")
updateBalance()
// The channel we tried to open previously failed for whatever
// reason.
case <-a.chanOpenFailures: