autopilot/interface: add Name() to AttachmentHeuristic interface

autopilot/agent_test.go

@@ -80,6 +80,10 @@ type directiveArg struct {
 	nodes map[NodeID]struct{}
 }
 
+func (m *mockHeuristic) Name() string {
+	return "mock"
+}
+
 func (m *mockHeuristic) NodeScores(g ChannelGraph, chans []Channel,
 	fundsAvailable btcutil.Amount, nodes map[NodeID]struct{}) (
 	map[NodeID]*NodeScore, error) {

autopilot/combinedattach.go

@@ -47,6 +47,13 @@ func NewWeightedCombAttachment(h ...*WeightedHeuristic) (
 // AttachmentHeuristic interface.
 var _ AttachmentHeuristic = (*WeightedCombAttachment)(nil)
 
+// Name returns the name of this heuristic.
+//
+// NOTE: This is a part of the AttachmentHeuristic interface.
+func (c *WeightedCombAttachment) Name() string {
+	return "weightedcomb"
+}
+
 // NodeScores is a method that given the current channel graph, current set of
 // local channels and funds available, scores the given nodes according to the
 // preference of opening a channel with them. The returned channel candidates

autopilot/interface.go

@@ -119,6 +119,9 @@ type AttachmentDirective struct {
 // the interface is to allow an auto-pilot agent to decide if it needs more
 // channels, and if so, which exact channels should be opened.
 type AttachmentHeuristic interface {
+	// Name returns the name of this heuristic.
+	Name() string
+
 	// NodeScores is a method that given the current channel graph and
 	// current set of local channels, scores the given nodes according to
 	// the preference of opening a channel of the given size with them. The

autopilot/prefattach.go

@@ -43,6 +43,13 @@ func NewNodeID(pub *btcec.PublicKey) NodeID {
 	return n
 }
 
+// Name returns the name of this heuristic.
+//
+// NOTE: This is a part of the AttachmentHeuristic interface.
+func (p *PrefAttachment) Name() string {
+	return "preferential"
+}
+
 // NodeScores is a method that given the current channel graph and current set
 // of local channels, scores the given nodes according to the preference of
 // opening a channel of the given size with them. The returned channel