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multi: refactor SignMessage to specify hashing

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This commit is contained in:
Oliver Gugger
2021-10-14 15:42:44 +02:00
parent 00af978bf2
commit 6093393e2f
8 changed files with 27 additions and 17 deletions
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9
lnwallet/btcwallet/signer.go
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@@ -267,7 +267,7 @@ var _ input.Signer = (*BtcWallet)(nil)
//
// NOTE: This is a part of the MessageSigner interface.
func (b *BtcWallet) SignMessage(keyLoc keychain.KeyLocator,
msg []byte) (*btcec.Signature, error) {
msg []byte, doubleHash bool) (*btcec.Signature, error) {
// First attempt to fetch the private key which corresponds to the
// specified public key.
@@ -279,7 +279,12 @@ func (b *BtcWallet) SignMessage(keyLoc keychain.KeyLocator,
}
// Double hash and sign the data.
msgDigest := chainhash.DoubleHashB(msg)
var msgDigest []byte
if doubleHash {
msgDigest = chainhash.DoubleHashB(msg)
} else {
msgDigest = chainhash.HashB(msg)
}
sign, err := privKey.Sign(msgDigest)
if err != nil {
return nil, errors.Errorf("unable sign the message: %v", err)