github.com/decred/dcrlnd@v0.7.6/lnwallet/dcrwallet/driver.go (about)

     1  package dcrwallet
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/decred/dcrlnd/lnwallet"
     7  )
     8  
     9  const (
    10  	walletType = "dcrwallet"
    11  )
    12  
    13  var (
    14  	availableBackends = []string{"dcrd", "spv"}
    15  )
    16  
    17  // createNewWallet creates a new instance of DcrWallet given the proper list of
    18  // initialization parameters. This function is the factory function required to
    19  // properly create an instance of the lnwallet.WalletDriver struct for
    20  // DcrWallet.
    21  func createNewWallet(args ...interface{}) (lnwallet.WalletController, error) {
    22  	if len(args) != 2 {
    23  		return nil, fmt.Errorf("incorrect number of arguments to .New(...), "+
    24  			"expected 2, instead passed %v", len(args))
    25  	}
    26  
    27  	config, ok := args[0].(*Config)
    28  	if !ok {
    29  		return nil, fmt.Errorf("first argument to dcrdnotifier.New is " +
    30  			"incorrect, expected a *rpcclient.ConnConfig")
    31  	}
    32  
    33  	return New(*config)
    34  }
    35  
    36  // init registers a driver for the DcrWallet concrete implementation of the
    37  // lnwallet.WalletController interface.
    38  func init() {
    39  	// Register the driver.
    40  	driver := &lnwallet.WalletDriver{
    41  		WalletType: walletType,
    42  		New:        createNewWallet,
    43  		BackEnds:   func() []string { return availableBackends },
    44  	}
    45  
    46  	if err := lnwallet.RegisterWallet(driver); err != nil {
    47  		panic(fmt.Sprintf("failed to register wallet driver '%s': %v",
    48  			walletType, err))
    49  	}
    50  }