lncli: add new listpermissions command

cmd/lncli/cmd_macaroon.go

@@ -282,3 +282,26 @@ func deleteMacaroonID(ctx *cli.Context) error {
 	printRespJSON(resp)
 	return nil
 }
+
+var listPermissionsCommand = cli.Command{
+	Name:     "listpermissions",
+	Category: "Macaroons",
+	Usage: "Lists all RPC method URIs and the macaroon permissions they " +
+		"require to be invoked.",
+	Action: actionDecorator(listPermissions),
+}
+
+func listPermissions(ctx *cli.Context) error {
+	client, cleanUp := getClient(ctx)
+	defer cleanUp()
+
+	request := &lnrpc.ListPermissionsRequest{}
+	response, err := client.ListPermissions(context.Background(), request)
+	if err != nil {
+		return err
+	}
+
+	printRespJSON(response)
+
+	return nil
+}

cmd/lncli/main.go

@@ -303,6 +303,7 @@ func main() {
 		bakeMacaroonCommand,
 		listMacaroonIDsCommand,
 		deleteMacaroonIDCommand,
+		listPermissionsCommand,
 		trackPaymentCommand,
 		versionCommand,
 	}