From c6d2818312fb34df63a8cce65c6506babaa8af52 Mon Sep 17 00:00:00 2001
From: boyuan-chen <46272347+boyuan-chen@users.noreply.github.com>
Date: Wed, 3 Jul 2024 12:38:01 -0700
Subject: [PATCH] Add withdrawal amount (#1397)

* Add withdrawal amount

* Fix smart contract

* Add a helper function
---
 .../contracts/contracts/LP/L2LiquidityPool.sol     | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/packages/boba/contracts/contracts/LP/L2LiquidityPool.sol b/packages/boba/contracts/contracts/LP/L2LiquidityPool.sol
index 429ea65e71..44f1396cfe 100644
--- a/packages/boba/contracts/contracts/LP/L2LiquidityPool.sol
+++ b/packages/boba/contracts/contracts/LP/L2LiquidityPool.sol
@@ -834,7 +834,7 @@ contract L2LiquidityPool is CrossDomainEnabled, ReentrancyGuardUpgradeable, Paus
 
         if (_tokenAddress == Lib_PredeployAddresses.OVM_ETH) {
             require(_amount <= address(this).balance, "Requested ETH exceeds pool balance");
-            L2StandardBridge(Lib_PredeployAddresses.L2_STANDARD_BRIDGE).withdrawTo(
+            L2LiquidityPoolHelper(payable(Lib_PredeployAddresses.L2_STANDARD_BRIDGE)).withdrawTo{ value: _amount }(
                 _tokenAddress,
                 L1LiquidityPoolAddress,
                 _amount,
@@ -1032,3 +1032,15 @@ contract L2LiquidityPool is CrossDomainEnabled, ReentrancyGuardUpgradeable, Paus
     }
 
 }
+
+interface L2LiquidityPoolHelper {
+    function withdrawTo(
+        address _l2Token,
+        address _to,
+        uint256 _amount,
+        uint32 _l1Gas,
+        bytes calldata _data
+    )
+        external
+        payable;
+}