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