Add PartialEq to structs

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 {