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Remove .is_some() unwraps for if let Some

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This commit is contained in:
Luke Parker
2022-05-18 01:08:54 -04:00
parent 7c0886a113
commit 90fccc444b
4 changed files with 13 additions and 14 deletions
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3
coins/monero/src/frost.rs
View File

@@ -60,6 +60,9 @@ impl Curve for Ed25519 {
dfg::EdwardsPoint(DPoint::vartime_multiscalar_mul(scalars, points))
}
// This, as used by CLSAG, will already be a keccak256 hash
// The only necessity is for this to be unique, which means skipping a hash here should be fine accordingly
// TODO: Decide
fn hash_msg(msg: &[u8]) -> Vec<u8> {
Blake2b512::digest(msg).to_vec()
}

8
coins/monero/src/transaction/mod.rs
View File

@@ -79,11 +79,11 @@ pub struct SpendableOutput {
pub fn scan(tx: &Transaction, view: Scalar, spend: EdwardsPoint) -> Vec<SpendableOutput> {
let mut pubkeys = vec![];
if tx.tx_pubkey().is_some() {
pubkeys.push(tx.tx_pubkey().unwrap());
if let Some(key) = tx.tx_pubkey() {
pubkeys.push(key);
}
if tx.tx_additional_pubkeys().is_some() {
pubkeys.extend(&tx.tx_additional_pubkeys().unwrap());
if let Some(keys) = tx.tx_additional_pubkeys() {
pubkeys.extend(&keys);
}
let pubkeys: Vec<EdwardsPoint> = pubkeys.iter().map(|key| key.point.decompress()).filter_map(|key| key).collect();

8
crypto/frost/src/lib.rs
View File

@@ -268,12 +268,8 @@ impl<C: Curve> MultisigKeys<C> {
}
let secret_share = self.secret_share * lagrange::<C::F>(self.params.i, &included);
let (offset, offset_share) = if self.offset.is_some() {
let offset = self.offset.unwrap();
(offset, offset * C::F::from(included.len().try_into().unwrap()).invert().unwrap())
} else {
(C::F::zero(), C::F::zero())
};
let offset = self.offset.unwrap_or(C::F::zero());
let offset_share = offset * C::F::from(included.len().try_into().unwrap()).invert().unwrap();
Ok(MultisigView {
group_key: self.group_key + (C::generator_table() * offset),

8
crypto/frost/src/sign.rs
View File

@@ -148,8 +148,8 @@ fn sign_with_share<C: Curve, A: Algorithm<C>>(
{
let transcript = params.algorithm.transcript();
transcript.domain_separate(b"FROST");
if params.keys.offset.is_some() {
transcript.append_message(b"offset", &C::F_to_bytes(&params.keys.offset.unwrap()));
if let Some(offset) = params.keys.offset {
transcript.append_message(b"offset", &C::F_to_bytes(&offset));
}
}
@@ -301,8 +301,8 @@ fn complete<C: Curve, A: Algorithm<C>>(
// For the success route, which should be much more frequent, this should be faster
// It also acts as an integrity check of this library's signing function
let res = sign_params.algorithm.verify(sign_params.view.group_key, sign.R, sum);
if res.is_some() {
return Ok(res.unwrap());
if let Some(res) = res {
return Ok(res);
}
// Find out who misbehaved