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multi: use key locator for lnwallet.MessageSigner

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To simplify the message signing API even further, we refactor the
lnwallet.MessageSigner interface to use a key locator instead of the
public key to identify which key should be signed with.
This commit is contained in:
Oliver Gugger
2021-09-23 16:54:30 +02:00
parent afa03f22cc
commit e79d59dd4c
19 changed files with 184 additions and 102 deletions
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5
netann/channel_update.go
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@ -7,6 +7,7 @@ import (
"github.com/btcsuite/btcd/btcec"
"github.com/lightningnetwork/lnd/channeldb"
"github.com/lightningnetwork/lnd/keychain"
"github.com/lightningnetwork/lnd/lnwallet"
"github.com/lightningnetwork/lnd/lnwire"
)
@ -55,7 +56,7 @@ func ChanUpdSetTimestamp(update *lnwire.ChannelUpdate) {
// monotonically increase from the prior.
//
// NOTE: This method modifies the given update.
func SignChannelUpdate(signer lnwallet.MessageSigner, pubKey *btcec.PublicKey,
func SignChannelUpdate(signer lnwallet.MessageSigner, keyLoc keychain.KeyLocator,
update *lnwire.ChannelUpdate, mods ...ChannelUpdateModifier) error {
// Apply the requested changes to the channel update.
@ -64,7 +65,7 @@ func SignChannelUpdate(signer lnwallet.MessageSigner, pubKey *btcec.PublicKey,
}
// Create the DER-encoded ECDSA signature over the message digest.
sig, err := SignAnnouncement(signer, pubKey, update)
sig, err := SignAnnouncement(signer, keyLoc, update)
if err != nil {
return err
}