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core wrapper function for subtract signature function (#3748)

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* core wrapper function for subtract signature function

* revert to cargo lock from master
This commit is contained in:
Yeastplume 2023-05-25 13:43:10 +01:00 committed by GitHub
parent 11b5cdb7d6
commit c31921f4d9
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1 changed files with 10 additions and 0 deletions
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10
core/src/libtx/aggsig.rs
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@ -408,6 +408,16 @@ pub fn add_signatures(
Ok(sig)
}
/// Subtract a partial signature from a completed signature
/// see https://github.com/mimblewimble/rust-secp256k1-zkp/blob/e9e4f09bd0c85da914774a52219457ba10ac3e57/src/aggsig.rs#L267
pub fn subtract_signature(
secp: &Secp256k1,
sig: &Signature,
partial_sig: &Signature,
) -> Result<(Signature, Option<Signature>), Error> {
let sig = aggsig::subtract_partial_signature(secp, sig, partial_sig)?;
Ok(sig)
}
/// Just a simple sig, creates its own nonce if not provided
pub fn sign_single(
secp: &Secp256k1,