Add PartialEq to structs

crypto/frost/src/algorithm.rs

@@ -12,7 +12,7 @@ use crate::{Curve, FrostError, MultisigView};
 pub trait Algorithm<C: Curve>: Clone {
   type Transcript: Transcript + Clone + Debug;
   /// The resulting type of the signatures this algorithm will produce
-  type Signature: Clone + Debug;
+  type Signature: Clone + PartialEq + Debug;
 
   fn transcript(&mut self) -> &mut Self::Transcript;
 

crypto/frost/src/sign.rs

@@ -255,7 +255,7 @@ impl fmt::Display for State {
 }
 
 pub trait StateMachine {
-  type Signature;
+  type Signature: Clone + PartialEq + fmt::Debug;
 
   /// Perform the preprocessing round required in order to sign
   /// Returns a byte vector which must be transmitted to all parties selected for this signing

crypto/transcript/src/lib.rs

@@ -17,6 +17,12 @@ pub trait Transcript {
 #[derive(Clone, Debug)]
 pub struct DigestTranscript<D: Digest>(Vec<u8>, PhantomData<D>);
 
+impl<D: Digest> PartialEq for DigestTranscript<D> {
+  fn eq(&self, other: &DigestTranscript<D>) -> bool {
+    self.0 == other.0
+  }
+}
+
 impl<D: Digest> DigestTranscript<D> {
   pub fn new(label: Vec<u8>) -> Self {
     DigestTranscript(label, PhantomData)

crypto/transcript/src/merlin.rs

@@ -2,7 +2,7 @@ use core::{marker::PhantomData, fmt::{Debug, Formatter}};
 
 use digest::Digest;
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq)]
 pub struct MerlinTranscript(pub merlin::Transcript);
 // Merlin doesn't implement Debug so provide a stub which won't panic
 impl Debug for MerlinTranscript {