feat(dpp): move to optional

packages/rs-dpp/src/state_transition/state_transitions/document/documents_batch_transition/document_transition/mod.rs

@@ -45,7 +45,7 @@ pub trait DocumentTransitionV0Methods {
     ///  get the id
     fn get_id(&self) -> Identifier;
     /// get the entropy
-    fn entropy(&self) -> Vec<u8>;
+    fn entropy(&self) -> Option<Vec<u8>>;
     fn document_type_name(&self) -> &String;
     /// get the data contract id
     fn data_contract_id(&self) -> Identifier;
@@ -168,8 +168,15 @@ impl DocumentTransitionV0Methods for DocumentTransition {
         self.base().document_type_name()
     }
 
-    fn entropy(&self) -> Vec<u8> {
-        self.entropy()
+    fn entropy(&self) -> Option<Vec<u8>> {
+        match self {
+            DocumentTransition::Create(t) => Some(Vec::from(t.entropy())),
+            DocumentTransition::Replace(t) => None,
+            DocumentTransition::Delete(t) => None,
+            DocumentTransition::Transfer(t) => None,
+            DocumentTransition::UpdatePrice(t) => None,
+            DocumentTransition::Purchase(t) => None,
+        }
     }
 
     fn data_contract_id(&self) -> Identifier {

packages/wasm-dpp/src/document/state_transition/document_batch_transition/document_transition/mod.rs

@@ -88,7 +88,7 @@ impl DocumentTransitionWasm {
         }
     }
     #[wasm_bindgen(js_name=getEntropy)]
-    pub fn get_entropy(&self) -> Vec<u8> {
+    pub fn get_entropy(&self) -> Option<Vec<u8>> {
         self.0.entropy()
     }