66 lines
2.2 KiB
Go
66 lines
2.2 KiB
Go
|
package lncfg
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"strconv"
|
||
|
|
|
||
|
|
"github.com/lightningnetwork/lnd/lnwire"
|
||
|
|
)
|
||
|
|
|
||
|
|
// WtClient holds the configuration options for the daemon's watchtower client.
|
||
|
|
type WtClient struct {
|
||
|
|
// PrivateTowerURIs specifies the lightning URIs of the towers the
|
||
|
|
// watchtower client should send new backups to.
|
||
|
|
PrivateTowerURIs []string `long:"private-tower-uris" description:"Specifies the URIs of private watchtowers to use in backing up revoked states. URIs must be of the form <pubkey>@<addr>. Only 1 URI is supported at this time, if none are provided the tower will not be enabled."`
|
||
|
|
|
||
|
|
// PrivateTowers is the list of towers parsed from the URIs provided in
|
||
|
|
// PrivateTowerURIs.
|
||
|
|
PrivateTowers []*lnwire.NetAddress
|
||
|
|
|
||
|
|
// SweepFeeRate specifies the fee rate in sat/byte to be used when
|
||
|
|
// constructing justice transactions sent to the tower.
|
||
|
|
SweepFeeRate uint64 `long:"sweep-fee-rate" description:"Specifies the fee rate in sat/byte to be used when constructing justice transactions sent to the watchtower."`
|
||
|
|
}
|
||
|
|
|
||
|
|
// Validate asserts that at most 1 private watchtower is requested.
|
||
|
|
//
|
||
|
|
// NOTE: Part of the Validator interface.
|
||
|
|
func (c *WtClient) Validate() error {
|
||
|
|
if len(c.PrivateTowerURIs) > 1 {
|
||
|
|
return fmt.Errorf("at most 1 private watchtower is supported, "+
|
||
|
|
"found %d", len(c.PrivateTowerURIs))
|
||
|
|
}
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// IsActive returns true if the watchtower client should be active.
|
||
|
|
func (c *WtClient) IsActive() bool {
|
||
|
|
return len(c.PrivateTowerURIs) > 0
|
||
|
|
}
|
||
|
|
|
||
|
|
// ParsePrivateTowers parses any private tower URIs held PrivateTowerURIs. The
|
||
|
|
// value of port should be the default port to use when a URI does not have one.
|
||
|
|
func (c *WtClient) ParsePrivateTowers(port int, resolver TCPResolver) error {
|
||
|
|
towers := make([]*lnwire.NetAddress, 0, len(c.PrivateTowerURIs))
|
||
|
|
for _, uri := range c.PrivateTowerURIs {
|
||
|
|
addr, err := ParseLNAddressString(
|
||
|
|
uri, strconv.Itoa(port), resolver,
|
||
|
|
)
|
||
|
|
if err != nil {
|
||
|
|
return fmt.Errorf("unable to parse private "+
|
||
|
|
"watchtower address: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
towers = append(towers, addr)
|
||
|
|
}
|
||
|
|
|
||
|
|
c.PrivateTowers = towers
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Compile-time constraint to ensure WtClient implements the Validator
|
||
|
|
// interface.
|
||
|
|
var _ Validator = (*WtClient)(nil)
|