fix(cardano-blockchain-types): fix visibility and comment

Signed-off-by: bkioshn <[email protected]>

Author: bkioshn

rust/cardano-blockchain-types/src/cip36/key_registration.rs

@@ -43,7 +43,6 @@ pub struct Cip36KeyRegistration {
     pub payment_addr: Option<ShelleyAddress>,
     /// Nonce (nonce that has been slot corrected).
     /// Field 4 in the CIP-36 61284 Spec.
-    // FIXME: set this nonce
     pub nonce: u64,
     /// Registration Purpose (Always 0 for Catalyst).
     /// Field 5 in the CIP-36 61284 Spec.

rust/cardano-blockchain-types/src/cip36/mod.rs

@@ -16,11 +16,11 @@ use crate::{MetadatumValue, Network};
 #[derive(Clone, Default)]
 pub struct Cip36 {
     /// Key registration - 61284
-    pub key_registration: Cip36KeyRegistration,
+    key_registration: Cip36KeyRegistration,
     /// Registration witness - 61285
-    pub registration_witness: Cip36RegistrationWitness,
+    registration_witness: Cip36RegistrationWitness,
     /// Is this a Catalyst strict registration?
-    pub is_catalyst_strict: bool,
+    is_catalyst_strict: bool,
 }
 
 /// Validation value for CIP-36.