fix(json_rpc): aggregate stake by withdrawer on getBalance2

Author: guidiaz

data_structures/src/transaction_factory.rs

@@ -97,7 +97,8 @@ impl NodeBalance2 {
     pub fn add_utxo_value(&mut self, utxo_value: u64, utxo_locked: bool) {
         if let NodeBalance2::One {
                 unlocked, locked, ..
-            } = self {
+            } = self 
+        {
             if utxo_locked {
                 locked.add_assign(utxo_value);
             } else {

node/src/actors/chain_manager/handlers.rs

@@ -1772,7 +1772,7 @@ impl Handler<GetBalance2> for ChainManager {
                 let stakes = self
                     .chain_state
                     .stakes
-                    .query_stakes(QueryStakesKey::Validator(pkh));
+                    .query_stakes(QueryStakesKey::Withdrawer(pkh));
                 if let Ok(stakes) = stakes {
                     balance.add_staked(stakes.iter().fold(0u64, |staked: u64, entry| {
                         staked.saturating_add(entry.value.coins.nanowits())