54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
package neutrinonotify
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/lightninglabs/neutrino"
|
|
"github.com/lightningnetwork/lnd/chainntnfs"
|
|
)
|
|
|
|
// createNewNotifier creates a new instance of the ChainNotifier interface
|
|
// implemented by NeutrinoNotifier.
|
|
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].(*neutrino.ChainService)
|
|
if !ok {
|
|
return nil, errors.New("first argument to neutrinonotify.New " +
|
|
"is incorrect, expected a *neutrino.ChainService")
|
|
}
|
|
|
|
spendHintCache, ok := args[1].(chainntnfs.SpendHintCache)
|
|
if !ok {
|
|
return nil, errors.New("second argument to neutrinonotify.New " +
|
|
"is incorrect, expected a chainntfs.SpendHintCache")
|
|
}
|
|
|
|
confirmHintCache, ok := args[2].(chainntnfs.ConfirmHintCache)
|
|
if !ok {
|
|
return nil, errors.New("third argument to neutrinonotify.New " +
|
|
"is incorrect, expected a chainntfs.ConfirmHintCache")
|
|
}
|
|
|
|
return New(config, spendHintCache, confirmHintCache), nil
|
|
}
|
|
|
|
// init registers a driver for the NeutrinoNotify 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))
|
|
}
|
|
}
|