Various corrections to multisig API

coins/monero/tests/frost.rs

@@ -2,13 +2,14 @@
 
 use std::rc::Rc;
 
+use rand_core::{RngCore, CryptoRng};
 use rand::rngs::OsRng;
 
 use ff::Field;
-use dalek_ff_group::{ED25519_BASEPOINT_TABLE, Scalar};
+use dalek_ff_group::{ED25519_BASEPOINT_TABLE, Scalar, EdwardsPoint};
 
 use frost::{
-  MultisigParams, MultisigKeys,
+  FrostError, MultisigParams, MultisigKeys,
   key_gen, algorithm::Algorithm, sign::{self, lagrange}
 };
 
@@ -17,6 +18,49 @@ use monero_serai::frost::Ed25519;
 pub const THRESHOLD: usize = 5;
 pub const PARTICIPANTS: usize = 8;
 
+#[derive(Clone)]
+pub struct DummyAlgorithm;
+impl Algorithm<Ed25519> for DummyAlgorithm {
+  type Signature = ();
+
+  fn addendum_commit_len() -> usize { unimplemented!() }
+
+  fn preprocess_addendum<R: RngCore + CryptoRng>(
+    _: &mut R,
+    _: &sign::ParamsView<Ed25519>,
+    _: &[Scalar; 2],
+  ) -> Vec<u8> { unimplemented!() }
+
+  fn process_addendum(
+    &mut self,
+    _: &sign::ParamsView<Ed25519>,
+    _: usize,
+    _: &[EdwardsPoint; 2],
+    _: &[u8],
+  ) -> Result<(), FrostError> { unimplemented!() }
+
+  fn context(&self) -> Vec<u8> { unimplemented!() }
+
+  fn process_binding(&mut self, _: &Scalar) { unimplemented!() }
+
+  fn sign_share(
+    &mut self,
+    _: &sign::ParamsView<Ed25519>,
+    _: EdwardsPoint,
+    _: Scalar,
+    _: &[u8],
+  ) -> Scalar { unimplemented!() }
+
+  fn verify(&self, _: EdwardsPoint, _: EdwardsPoint, _: Scalar) -> Option<Self::Signature> { unimplemented!() }
+
+  fn verify_share(
+    &self,
+    _: EdwardsPoint,
+    _: EdwardsPoint,
+    _: Scalar,
+  ) -> bool { unimplemented!() }
+}
+
 pub fn generate_keys() -> (Vec<Rc<MultisigKeys<Ed25519>>>, Scalar) {
   let mut params = vec![];
   let mut machines = vec![];