From 5d93f21f5f54617a2036cf1f1185869bcd7a6267 Mon Sep 17 00:00:00 2001
From: Nicholas Addison <nick@addisonbrown.com.au>
Date: Fri, 4 Oct 2024 13:26:09 +1000
Subject: [PATCH] Removed LidoLiquidityManager as it's now in LidoARM

---
 src/contracts/LidoLiquidityManager.sol | 82 --------------------------
 1 file changed, 82 deletions(-)
 delete mode 100644 src/contracts/LidoLiquidityManager.sol

diff --git a/src/contracts/LidoLiquidityManager.sol b/src/contracts/LidoLiquidityManager.sol
deleted file mode 100644
index 168f40f..0000000
--- a/src/contracts/LidoLiquidityManager.sol
+++ /dev/null
@@ -1,82 +0,0 @@
-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.23;
-
-import {OwnableOperable} from "./OwnableOperable.sol";
-import {IERC20, IWETH, IStETHWithdrawal} from "./Interfaces.sol";
-
-/**
- * @title Manages stETH liquidity against the Lido Withdrawal Queue.
- * @author Origin Protocol Inc
- */
-abstract contract LidoLiquidityManager is OwnableOperable {
-    IERC20 public immutable steth;
-    IWETH public immutable weth;
-    IStETHWithdrawal public immutable withdrawalQueue;
-
-    uint256 public outstandingEther;
-
-    uint256[49] private _gap;
-
-    constructor(address _steth, address _weth, address _lidoWithdrawalQueue) {
-        steth = IERC20(_steth);
-        weth = IWETH(_weth);
-        withdrawalQueue = IStETHWithdrawal(_lidoWithdrawalQueue);
-    }
-
-    /**
-     * @dev Approve the stETH withdrawal contract. Used for redemption requests.
-     */
-    function _initLidoLiquidityManager() internal {
-        steth.approve(address(withdrawalQueue), type(uint256).max);
-    }
-
-    /**
-     * @notice Request a stETH for ETH withdrawal.
-     * Reference: https://docs.lido.fi/contracts/withdrawal-queue-erc721/
-     * Note: There is a 1k amount limit. Caller should split large withdrawals in chunks of less or equal to 1k each.)
-     */
-    function requestStETHWithdrawalForETH(uint256[] memory amounts)
-        external
-        onlyOperatorOrOwner
-        returns (uint256[] memory requestIds)
-    {
-        requestIds = withdrawalQueue.requestWithdrawals(amounts, address(this));
-
-        // Sum the total amount of stETH being withdraw
-        uint256 totalAmountRequested = 0;
-        for (uint256 i = 0; i < amounts.length; i++) {
-            totalAmountRequested += amounts[i];
-        }
-
-        // Increase the Ether outstanding from the Lido Withdrawal Queue
-        outstandingEther += totalAmountRequested;
-    }
-
-    /**
-     * @notice Claim the ETH owed from the redemption requests and convert it to WETH.
-     * Before calling this method, caller should check on the request NFTs to ensure the withdrawal was processed.
-     */
-    function claimStETHWithdrawalForWETH(uint256[] memory requestIds) external onlyOperatorOrOwner {
-        uint256 etherBefore = address(this).balance;
-
-        // Claim the NFTs for ETH.
-        uint256 lastIndex = withdrawalQueue.getLastCheckpointIndex();
-        uint256[] memory hintIds = withdrawalQueue.findCheckpointHints(requestIds, 1, lastIndex);
-        withdrawalQueue.claimWithdrawals(requestIds, hintIds);
-
-        uint256 etherAfter = address(this).balance;
-
-        // Reduce the Ether outstanding from the Lido Withdrawal Queue
-        outstandingEther -= etherAfter - etherBefore;
-
-        // Wrap all the received ETH to WETH.
-        weth.deposit{value: etherAfter}();
-    }
-
-    function _externalWithdrawQueue() internal view virtual returns (uint256 assets) {
-        return outstandingEther;
-    }
-
-    // This method is necessary for receiving the ETH claimed as part of the withdrawal.
-    receive() external payable {}
-}