revert public method exposures

Author: daniel

crates/cluster/src/node_operator.rs

@@ -162,7 +162,7 @@ impl<N> NodeOperator<N> {
 }
 
 impl NodeOperator {
-    pub fn try_into_sc(
+    pub(super) fn try_into_sc(
         self,
         key: &EncryptionKey,
     ) -> Result<smart_contract::NodeOperator, TryIntoSmartContractError> {
@@ -194,7 +194,7 @@ impl NodeOperator {
 }
 
 impl<C: Config> NodeOperator<C> {
-    pub fn try_from_sc(
+    pub(super) fn try_from_sc(
         operator: smart_contract::NodeOperator,
         cfg: &C,
     ) -> Result<NodeOperator<C::Node>, TryFromSmartContractError> {

crates/cluster/src/node_operators.rs

@@ -29,7 +29,7 @@ pub struct NodeOperators<N = Node> {
 }
 
 impl<N> NodeOperators<N> {
-    pub fn from_slots(
+    pub(super) fn from_slots(
         slots: impl IntoIterator<Item = Option<NodeOperator<N>>>,
     ) -> Result<Self, CreationError> {
         let mut slots: Vec<_> = slots.into_iter().collect();