Implement a pretty Debug for various objects

coins/monero/src/lib.rs

@@ -170,12 +170,18 @@ impl Protocol {
 
 /// Transparent structure representing a Pedersen commitment's contents.
 #[allow(non_snake_case)]
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize, ZeroizeOnDrop)]
+#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)]
 pub struct Commitment {
   pub mask: Scalar,
   pub amount: u64,
 }
 
+impl core::fmt::Debug for Commitment {
+  fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> Result<(), core::fmt::Error> {
+    fmt.debug_struct("Commitment").field("amount", &self.amount).finish_non_exhaustive()
+  }
+}
+
 impl Commitment {
   /// A commitment to zero, defined with a mask of 1 (as to not be the identity).
   pub fn zero() -> Commitment {