feat: handle operator payout address change in get_protx_listdiff (#43)

* feat: add operator_payout_address

* fix: double Option on operator payout address

Author: Igor Markin

json/src/lib.rs

@@ -2106,7 +2106,7 @@ pub struct DMNStateDiff {
     pub voting_address: Option<[u8; 20]>,
     pub payout_address: Option<[u8; 20]>,
     pub pub_key_operator: Option<Vec<u8>>,
-    pub operator_payout_address: Option<Option<[u8; 20]>>,
+    pub operator_payout_address: Option<[u8; 20]>,
     pub platform_node_id: Option<[u8; 20]>,
     pub platform_p2p_port: Option<u32>,
     pub platform_http_port: Option<u32>,
@@ -2131,6 +2131,7 @@ impl TryFrom<DMNStateDiffIntermediate> for DMNStateDiff {
             platform_p2p_port,
             platform_http_port,
             payout_address,
+            operator_payout_address,
             pub_key_operator,
         } = value;
 
@@ -2161,7 +2162,15 @@ impl TryFrom<DMNStateDiffIntermediate> for DMNStateDiff {
                 })
             })
             .transpose()?;
-        let operator_payout_address = None; //todo
+        let operator_payout_address = operator_payout_address
+            .map(|address| {
+                let address = Address::from_str(address.as_str())?;
+                address.payload_to_vec().try_into().map_err(|_| encode::Error::InvalidVectorSize {
+                    expected: 20,
+                    actual: address.payload_to_vec().len(),
+                })
+            })
+            .transpose()?;
 
         let platform_node_id = platform_node_id
             .map(|address| {
@@ -2264,7 +2273,7 @@ impl DMNState {
                 != newer.operator_payout_address
             {
                 has_diff = true;
-                Some(newer.operator_payout_address)
+                newer.operator_payout_address
             } else {
                 None
             },
@@ -2333,9 +2342,7 @@ impl DMNState {
         if let Some(payout_address) = payout_address {
             self.payout_address = payout_address;
         }
-        if let Some(operator_payout_address) = operator_payout_address {
-            self.operator_payout_address = operator_payout_address;
-        }
+        self.operator_payout_address = operator_payout_address;
         if let Some(platform_node_id) = platform_node_id {
             self.platform_node_id = Some(platform_node_id);
         }
@@ -2887,6 +2894,8 @@ pub struct DMNStateDiffIntermediate {
     pub platform_http_port: Option<u32>,
     #[serde(default)]
     pub payout_address: Option<String>,
+    #[serde(default)]
+    pub operator_payout_address: Option<String>,
     #[serde(default, deserialize_with = "deserialize_hex_opt")]
     pub pub_key_operator: Option<Vec<u8>>,
 }