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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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11
lnwallet/interface.go
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@@ -15,7 +15,7 @@ import (
"github.com/btcsuite/btcwallet/waddrmgr"
"github.com/btcsuite/btcwallet/wallet/txauthor"
"github.com/btcsuite/btcwallet/wtxmgr"
"github.com/lightningnetwork/lnd/input"
"github.com/lightningnetwork/lnd/keychain"
"github.com/lightningnetwork/lnd/lnwallet/chainfee"
)
@@ -440,10 +440,11 @@ type BlockChainIO interface {
// to attest to some message.
type MessageSigner interface {
// SignMessage attempts to sign a target message with the private key
// that corresponds to the passed public key. If the target private key
// is unable to be found, then an error will be returned. The actual
// digest signed is the double SHA-256 of the passed message.
SignMessage(pubKey *btcec.PublicKey, msg []byte) (input.Signature, error)
// described in the key locator. If the target private key is unable to
// be found, then an error will be returned. The actual digest signed is
// the double SHA-256 of the passed message.
SignMessage(keyLoc keychain.KeyLocator, msg []byte) (*btcec.Signature,
error)
}
// WalletDriver represents a "driver" for a particular concrete