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musig2: fix early nonce gen option

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Previously the early nonce generation option was not being respected
when creating the context, with the WithKnownSigners option being
used. This commit fixes that.
This commit is contained in:
sputn1ck 2023-07-10 16:40:26 +02:00
parent f5eeb10d03
commit 8f84bb0e9b
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GPG key ID: 671103D881A5F0E4
1 changed files with 13 additions and 14 deletions
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27
btcec/schnorr/musig2/context.go
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@ -234,24 +234,23 @@ func NewContext(signingKey *btcec.PrivateKey, shouldSort bool,
opts.keySet = make([]*btcec.PublicKey, 0, opts.numSigners)
opts.keySet = append(opts.keySet, pubKey)
// If early nonce generation is specified, then we'll generate
// the nonce now to pass in to the session once all the callers
// are known.
if opts.earlyNonce {
var err error
ctx.sessionNonce, err = GenNonces(
WithPublicKey(ctx.pubKey),
WithNonceSecretKeyAux(signingKey),
)
if err != nil {
return nil, err
}
}
default:
return nil, ErrSignersNotSpecified
}
// If early nonce generation is specified, then we'll generate the
// nonce now to pass in to the session once all the callers are known.
if opts.earlyNonce {
var err error
ctx.sessionNonce, err = GenNonces(
WithPublicKey(ctx.pubKey),
WithNonceSecretKeyAux(signingKey),
)
if err != nil {
return nil, err
}
}
return ctx, nil
}