Expose padding point from ring context

Author: davxy

src/ring.rs

@@ -258,6 +258,12 @@ where
             ring_proof::ArkTranscript::new(S::SUITE_ID),
         )
     }
+
+    /// Get the padding point.
+    #[inline(always)]
+    pub const fn padding_point(&self) -> AffinePoint<S> {
+        S::PADDING
+    }
 }
 
 impl<S: RingSuite> CanonicalSerialize for RingContext<S>

src/suites/bandersnatch.rs

@@ -232,6 +232,7 @@ pub mod edwards {
     #[cfg(test)]
     suite_tests!(BandersnatchSha512Ell2);
 
+    #[cfg(test)]
     fn check_point(p: AffinePoint) {
         assert!(p.is_on_curve());
         assert!(p.is_in_correct_subgroup_assuming_on_curve());