rpc+peer: use pkScripts for close ntfns

mock.go

@@ -85,8 +85,8 @@ type mockNotfier struct {
 	confChannel chan *chainntnfs.TxConfirmation
 }
 
-func (m *mockNotfier) RegisterConfirmationsNtfn(txid *chainhash.Hash, numConfs,
-	heightHint uint32) (*chainntnfs.ConfirmationEvent, error) {
+func (m *mockNotfier) RegisterConfirmationsNtfn(txid *chainhash.Hash,
+	_ []byte, numConfs, heightHint uint32) (*chainntnfs.ConfirmationEvent, error) {
 	return &chainntnfs.ConfirmationEvent{
 		Confirmed: m.confChannel,
 	}, nil