package bitcoindnotify import ( "fmt" "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/rpcclient" "github.com/lightningnetwork/lnd/chainntnfs" ) // createNewNotifier creates a new instance of the ChainNotifier interface // implemented by BitcoindNotifier. func createNewNotifier(args ...interface{}) (chainntnfs.ChainNotifier, error) { if len(args) != 3 { return nil, fmt.Errorf("incorrect number of arguments to "+ ".New(...), expected 3, instead passed %v", len(args)) } config, ok := args[0].(*rpcclient.ConnConfig) if !ok { return nil, fmt.Errorf("first argument to bitcoindnotifier." + "New is incorrect, expected a *rpcclient.ConnConfig") } zmqConnect, ok := args[1].(string) if !ok { return nil, fmt.Errorf("second argument to bitcoindnotifier." + "New is incorrect, expected a string") } params, ok := args[2].(chaincfg.Params) if !ok { return nil, fmt.Errorf("third argument to bitcoindnotifier." + "New is incorrect, expected a chaincfg.Params") } return New(config, zmqConnect, params) } // init registers a driver for the BtcdNotifier concrete implementation of the // chainntnfs.ChainNotifier interface. func init() { // Register the driver. notifier := &chainntnfs.NotifierDriver{ NotifierType: notifierType, New: createNewNotifier, } if err := chainntnfs.RegisterNotifier(notifier); err != nil { panic(fmt.Sprintf("failed to register notifier driver '%s': %v", notifierType, err)) } }