watchtower/wtdb/client_session: replace keydesc w/ KeyIndex
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@ -4,7 +4,6 @@ import (
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"errors"
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"github.com/btcsuite/btcd/btcec"
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"github.com/lightningnetwork/lnd/keychain"
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"github.com/lightningnetwork/lnd/lnwire"
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"github.com/lightningnetwork/lnd/watchtower/wtpolicy"
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)
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@ -57,14 +56,17 @@ type ClientSession struct {
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// tower with TowerID.
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Tower *Tower
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// SessionKeyDesc is the key descriptor used to derive the client's
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// KeyIndex is the index of key locator used to derive the client's
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// session key so that it can authenticate with the tower to update its
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// session.
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SessionKeyDesc keychain.KeyLocator
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// session. In order to rederive the private key, the key locator should
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// use the keychain.KeyFamilyTowerSession key family.
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KeyIndex uint32
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// SessionPrivKey is the ephemeral secret key used to connect to the
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// watchtower.
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// TODO(conner): remove after HD keys
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//
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// NOTE: This value is not serialized. It is derived using the KeyIndex
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// on startup to avoid storing private keys on disk.
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SessionPrivKey *btcec.PrivateKey
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// Policy holds the negotiated session parameters.
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@ -104,7 +104,7 @@ func (m *ClientDB) CreateClientSession(session *wtdb.ClientSession) error {
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m.activeSessions[session.ID] = &wtdb.ClientSession{
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TowerID: session.TowerID,
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SessionKeyDesc: session.SessionKeyDesc,
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KeyIndex: session.KeyIndex,
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SessionPrivKey: session.SessionPrivKey,
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ID: session.ID,
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Policy: session.Policy,
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