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lnwallet: add extra sanity check in VerifyCommitSig

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This commit is contained in:
Olaoluwa Osuntokun
2023-07-25 17:10:53 -07:00
parent 410baae0c7
commit 638516879f
1 changed files with 4 additions and 0 deletions
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4
lnwallet/musig_session.go
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@ -436,6 +436,10 @@ func (m *MusigSession) VerifyCommitSig(commitTx *wire.MsgTx,
optFunc(opts) optFunc(opts)
} }
if sig == nil {
return nil, fmt.Errorf("sig not provided")
}
// Before we can verify the signature, we'll need to finalize the // Before we can verify the signature, we'll need to finalize the
// session by binding the remote party's provided signing nonce. // session by binding the remote party's provided signing nonce.
if err := m.FinalizeSession(musig2.Nonces{ if err := m.FinalizeSession(musig2.Nonces{