From 5c0dd54f24ab7f630616e6ebbb1576530a800841 Mon Sep 17 00:00:00 2001
From: UniverseFinance <87629076+UniverseFinance@users.noreply.github.com>
Date: Thu, 25 Nov 2021 13:20:41 +0800
Subject: [PATCH] Update helpers.sol

add approve
---
 .../mainnet/connectors/universeFinance/helpers.sol  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/contracts/mainnet/connectors/universeFinance/helpers.sol b/contracts/mainnet/connectors/universeFinance/helpers.sol
index 02161e7f..e9a9c6cc 100644
--- a/contracts/mainnet/connectors/universeFinance/helpers.sol
+++ b/contracts/mainnet/connectors/universeFinance/helpers.sol
@@ -27,4 +27,17 @@ abstract contract Helpers is DSMath, Basic {
         return IVaultV3(universeVault).withdraw(share0, share1);
     }
 
+    function _approve(address universeVault, uint256 amount0, uint256 amount1) internal {
+        IVaultV3 universe = IVaultV3(universeVault);
+        TokenInterface token;
+        if (amount0 > 0) {
+            token = universe.token0();
+            token.approve(address(universeAdapter), amount0);
+        }
+        if (amount1 > 0) {
+            token = universe.token1();
+            token.approve(address(universeAdapter), amount1);
+        }
+    }
+
 }