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watchtower/conf: abstract address normalizer to prevent import cycle

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This commit is contained in:
Conner Fromknecht 2019-06-13 17:30:58 -07:00
parent db65d7ead4
commit c823878154
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GPG Key ID: E7D737B67FA592C7
2 changed files with 11 additions and 4 deletions
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8
watchtower/conf.go
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@ -2,8 +2,6 @@ package watchtower
import (
"time"
"github.com/lightningnetwork/lnd/lncfg"
)
// Conf specifies the watchtower options that can be configured from the command
@ -24,7 +22,9 @@ type Conf struct {
// Apply completes the passed Config struct by applying any parsed Conf options.
// If the corresponding values parsed by Conf are already set in the Config,
// those fields will be not be modified.
func (c *Conf) Apply(cfg *Config) (*Config, error) {
func (c *Conf) Apply(cfg *Config,
normalizer AddressNormalizer) (*Config, error) {
// Set the Config's listening addresses if they are empty.
if cfg.ListenAddrs == nil {
// Without a network, we will be unable to resolve the listening
@ -43,7 +43,7 @@ func (c *Conf) Apply(cfg *Config) (*Config, error) {
// Normalize the raw listening addresses so that they can be
// used by the brontide listener.
var err error
cfg.ListenAddrs, err = lncfg.NormalizeAddresses(
cfg.ListenAddrs, err = normalizer(
c.RawListeners, DefaultPeerPortStr,
cfg.Net.ResolveTCPAddr,
)

7
watchtower/interface.go
View File

@ -1,6 +1,8 @@
package watchtower
import (
"net"
"github.com/lightningnetwork/lnd/watchtower/lookout"
"github.com/lightningnetwork/lnd/watchtower/wtserver"
)
@ -12,3 +14,8 @@ type DB interface {
lookout.DB
wtserver.DB
}
// AddressNormalizer is a function signature that allows the tower to resolve
// TCP addresses on clear or onion networks.
type AddressNormalizer func(addrs []string, defaultPort string,
resolver func(string, string) (*net.TCPAddr, error)) ([]net.Addr, error)