fix starknet validator list api endpoint

Author: piatoss3612

packages/stores-starknet/src/queries/staking/pool-member-info.ts

@@ -286,6 +286,7 @@ export class ObservableQueryStakingInfo extends ObservableStarknetChainJsonRpcQu
     return this.get(poolAddress) as ObservableQueryPoolMemberInfo;
   });
 
+  @computed
   get totalStakedAmount(): CoinPretty | undefined {
     const stakingCurrency = this.stakingCurrency;
     if (!stakingCurrency) {
@@ -354,6 +355,8 @@ export class ObservableQueryStakingInfo extends ObservableStarknetChainJsonRpcQu
 
     return amount;
   }
+
+  @computed
   get claimableRewards():
     | {
         claimableRewards: ClaimableReward[];

packages/stores-starknet/src/queries/staking/validators.ts

@@ -17,8 +17,8 @@ export class ObservableQueryValidators extends ObservableQuery<StarknetValidator
   ) {
     super(
       sharedContext,
-      "https://staging-staking-dashboard-backend-api.onrender.com/api/",
-      "query/validators?page=1&per_page=200"
+      "https://api.dashboard.endur.fi/api/",
+      "query/validators?page=1&per_page=200&sort_by=total_stake&sort_order=desc"
     );
     makeObservable(this);