diff --git a/client/src/traits/vault.rs b/client/src/traits/vault.rs
index c5759fb..b5f6a80 100644
--- a/client/src/traits/vault.rs
+++ b/client/src/traits/vault.rs
@@ -1,39 +1,51 @@
-use crate::{Result, RpcApi};
-use defichain_rpc_json::{common::UTXO, vault::*};
+use crate::{obj_into_json, Client, Result, RpcApi};
+use async_trait::async_trait;
+use defichain_rpc_json::vault::*;
 
+#[async_trait]
 pub trait VaultRPC: RpcApi {
-    fn close_vault(&self, close_vault: CloseVault, utxos: Option<UTXO>) -> Result<String>;
-    fn create_vault(&self, vault: CreateVault, utxos: Option<UTXO>) -> Result<String>;
-    fn deposit_to_vault(&self, deposit_vault: DepositVault, utxos: Option<UTXO>) -> Result<String>;
-    fn estimate_collateral(&self, target_ratio: u64) -> Result<()>;
-    fn estimate_loan(
-        &self,
-        vault_id: String,
-        token_split: TokenPercentageSplit,
-        target_ratio: Option<u64>,
-    ) -> Result<()>;
-    fn estimate_vault(&self) -> Result<VaultEstimation>;
-    fn get_vault(&self, vault_id: String) -> Result<()>;
-    fn list_auction_history(
-        &self,
-        pagination: Option<ListAuctionHistoryPagination>,
-    ) -> Result<Vec<ListAuctionHistoryDetail>>;
-    fn list_auctions(&self) -> Result<Vec<VaultLiquidation>>;
-    fn list_vaults(&self) -> Result<VaultActive>;
-    fn place_auction_bid(
-        &self,
-        place_auction_bid: PlaceAuctionBid,
-        utxos: Option<UTXO>,
-    ) -> Result<String>;
-    fn update_vault(
-        &self,
-        vault_id: String,
-        vault: UpdateVault,
-        utxos: Option<UTXO>,
-    ) -> Result<String>;
-    fn withdraw_from_vault(
+    // fn close_vault(&self, close_vault: CloseVault, utxos: Option<UTXO>) -> Result<String>;
+    // fn create_vault(&self, vault: CreateVault, utxos: Option<UTXO>) -> Result<String>;
+    // fn deposit_to_vault(&self, deposit_vault: DepositVault, utxos: Option<UTXO>) -> Result<String>;
+    // fn estimate_collateral(&self, target_ratio: u64) -> Result<()>;
+    // fn estimate_loan(
+    //     &self,
+    //     vault_id: String,
+    //     token_split: TokenPercentageSplit,
+    //     target_ratio: Option<u64>,
+    // ) -> Result<()>;
+    // fn estimate_vault(&self) -> Result<VaultEstimation>;
+    // fn get_vault(&self, vault_id: String) -> Result<()>;
+    // fn list_auction_history(
+    //     &self,
+    //     pagination: Option<ListAuctionHistoryPagination>,
+    // ) -> Result<Vec<ListAuctionHistoryDetail>>;
+    async fn list_auctions(&self, pagination: Option<AuctionPagination>) -> Result<Vec<VaultLiquidation>>;
+    // fn list_vaults(&self) -> Result<VaultActive>;
+    // fn place_auction_bid(
+    //     &self,
+    //     place_auction_bid: PlaceAuctionBid,
+    //     utxos: Option<UTXO>,
+    // ) -> Result<String>;
+    // fn update_vault(
+    //     &self,
+    //     vault_id: String,
+    //     vault: UpdateVault,
+    //     utxos: Option<UTXO>,
+    // ) -> Result<String>;
+    // fn withdraw_from_vault(
+    //     &self,
+    //     withdraw_vault: WithdrawVault,
+    //     utxos: Option<UTXO>,
+    // ) -> Result<String>;
+}
+
+#[async_trait]
+impl VaultRPC for Client {
+    async fn list_auctions(
         &self,
-        withdraw_vault: WithdrawVault,
-        utxos: Option<UTXO>,
-    ) -> Result<String>;
+        pagination: Option<AuctionPagination>
+    ) -> Result<Vec<VaultLiquidation>> {
+        self.call("listauctions", &[obj_into_json(pagination)?]).await
+    }
 }