staticaddr: return error if address already exists

Author: hieblmi

cmd/loop/staticaddr.go

@@ -75,8 +75,7 @@ func newStaticAddress(ctx *cli.Context) error {
 		return err
 	}
 
-	fmt.Printf("Received a new static loop-in address from the server: "+
-		"%s\n", resp.Address)
+	fmt.Printf("static loop-in address: %s\n", resp.Address)
 
 	return nil
 }

staticaddr/address/interface.go

@@ -2,17 +2,12 @@ package address
 
 import (
 	"context"
-	"fmt"
 
 	"github.com/btcsuite/btcd/btcec/v2"
 	"github.com/lightninglabs/loop/staticaddr/version"
 	"github.com/lightningnetwork/lnd/keychain"
 )
 
-var (
-	ErrAddressAlreadyExists = fmt.Errorf("address already exists")
-)
-
 // Store is the database interface that is used to store and retrieve
 // static addresses.
 type Store interface {