66 lines
2.2 KiB
Go
66 lines
2.2 KiB
Go
package lncfg
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import (
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"fmt"
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"strconv"
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"github.com/lightningnetwork/lnd/lnwire"
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)
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// WtClient holds the configuration options for the daemon's watchtower client.
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type WtClient struct {
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// PrivateTowerURIs specifies the lightning URIs of the towers the
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// watchtower client should send new backups to.
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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."`
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// PrivateTowers is the list of towers parsed from the URIs provided in
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// PrivateTowerURIs.
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PrivateTowers []*lnwire.NetAddress
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// SweepFeeRate specifies the fee rate in sat/byte to be used when
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// constructing justice transactions sent to the tower.
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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."`
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}
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// Validate asserts that at most 1 private watchtower is requested.
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//
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// NOTE: Part of the Validator interface.
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func (c *WtClient) Validate() error {
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if len(c.PrivateTowerURIs) > 1 {
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return fmt.Errorf("at most 1 private watchtower is supported, "+
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"found %d", len(c.PrivateTowerURIs))
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}
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return nil
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}
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// IsActive returns true if the watchtower client should be active.
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func (c *WtClient) IsActive() bool {
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return len(c.PrivateTowerURIs) > 0
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}
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// ParsePrivateTowers parses any private tower URIs held PrivateTowerURIs. The
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// value of port should be the default port to use when a URI does not have one.
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func (c *WtClient) ParsePrivateTowers(port int, resolver TCPResolver) error {
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towers := make([]*lnwire.NetAddress, 0, len(c.PrivateTowerURIs))
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for _, uri := range c.PrivateTowerURIs {
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addr, err := ParseLNAddressString(
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uri, strconv.Itoa(port), resolver,
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)
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if err != nil {
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return fmt.Errorf("unable to parse private "+
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"watchtower address: %v", err)
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}
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towers = append(towers, addr)
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}
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c.PrivateTowers = towers
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return nil
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}
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// Compile-time constraint to ensure WtClient implements the Validator
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// interface.
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var _ Validator = (*WtClient)(nil)
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