add: v2.1 changes

Author: jatinj615

Audit/Renzo_Protocol_v2_1.pdf

@@ -4,13 +4,7 @@ pragma solidity 0.8.27;
 import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 import "../../IRestakeManager.sol";
 import "../xERC20/interfaces/IXERC20Lockbox.sol";
-import {
-    IRouterClient
-} from "@chainlink/contracts-ccip/src/v0.8/ccip/interfaces/IRouterClient.sol";
 import { IRateProvider } from "../../RateProvider/IRateProvider.sol";
-import {
-    LinkTokenInterface
-} from "@chainlink/contracts/src/v0.8/shared/interfaces/LinkTokenInterface.sol";
 import { IRoleManager } from "../../Permissions/IRoleManager.sol";
 
 abstract contract xRenzoBridgeReceiverStorageV1 {

contracts/Bridge/L1/xRenzoBridgeReceiverStorage.sol

@@ -130,15 +130,15 @@ contract HyperlaneSender is Ownable, Pausable, ReentrancyGuard {
     }
 
     /**
-     * @notice Pause the contract
+     * @notice UnPause the contract
      * @dev This should be a permissioned call (onlyOwner)
      */
     function unPause() external onlyOwnerOrPauser {
         _unpause();
     }
 
     /**
-     * @notice UnPause the contract
+     * @notice Pause the contract
      * @dev This should be a permissioned call (onlyOwner)
      */
     function pause() external onlyOwnerOrPauser {

contracts/Bridge/L2/PriceFeed/HyperlaneSender.sol

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity 0.8.27;
+
+import "../../../RateProvider/IRateProvider.sol";
+import {
+    OwnableUpgradeable
+} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
+import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
+import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
+import "../../../Errors/Errors.sol";
+
+contract L2RateProvider is
+    Initializable,
+    OwnableUpgradeable,
+    ReentrancyGuardUpgradeable,
+    IRateProvider
+{
+    IRateProvider public immutable newRenzoDeposit;
+
+    constructor(IRateProvider _newRenzoDeposit) {
+        if (address(_newRenzoDeposit) == address(0)) revert InvalidZeroInput();
+        newRenzoDeposit = _newRenzoDeposit;
+        _disableInitializers();
+    }
+
+    function initialize() public initializer {
+        __Ownable_init();
+        __ReentrancyGuard_init();
+    }
+    function getRate() external view override returns (uint256) {
+        return newRenzoDeposit.getRate();
+    }
+}

contracts/Bridge/L2/RateProvider/L2RateProvider.sol

@@ -49,7 +49,7 @@ contract EthArbValueTransfer is IValueTransferBridge {
      * @notice  Transfers ETH to mainnet via the standard bridge
      * @dev     .
      * @param   .
-     * @param   .   should always be wsteth
+     * @param   .   should always be ETH
      * @param   .  amount to send
      * @return  transferId  always 0
      */
@@ -59,7 +59,6 @@ contract EthArbValueTransfer is IValueTransferBridge {
         address /*token - awlays ETH*/,
         uint256 /*amount - always full amount*/
     ) external payable returns (bytes32 transferId) {
-        // Do not allow ETH
         if (msg.value == 0) revert UnsupportedWithdrawAsset();
 
         // Trigger the bridge

contracts/Bridge/L2/ValueTransfer/ARB/EthArbValueTransfer.sol

@@ -49,7 +49,7 @@ contract EthOPValueTransfer is IValueTransferBridge {
      * @notice  Transfers ETH to mainnet via the standard bridge
      * @dev     .
      * @param   .
-     * @param   .   should always be wsteth
+     * @param   .   should always be ETH
      * @param   .  amount to send
      * @return  transferId  always 0
      */
@@ -59,7 +59,6 @@ contract EthOPValueTransfer is IValueTransferBridge {
         address /*token - awlays ETH*/,
         uint256 /*amount - always full amount*/
     ) external payable returns (bytes32 transferId) {
-        // Do not allow ETH
         if (msg.value == 0) revert UnsupportedWithdrawAsset();
 
         // TODO: Determine if we need to add extra data to track this tx

contracts/Bridge/L2/ValueTransfer/OP/EthOPValueTransfer.sol

@@ -70,7 +70,6 @@ contract LidoOPValueTransfer is IValueTransferBridge {
 
         // Pull the token in and then give the allowance
         IERC20(token).safeTransferFrom(msg.sender, address(this), amount);
-        IERC20(token).safeIncreaseAllowance(address(lidoBridge), amount);
 
         // TODO: Determine if we need to add extra data to track this tx
         bytes memory extraData;

contracts/Bridge/L2/ValueTransfer/OP/LidoOPValueTransfer.sol

@@ -46,7 +46,6 @@ contract xRenzoDepositNativeBridge is
 
     event PriceUpdated(uint256 price, uint256 timestamp);
     event Deposit(address indexed user, uint256 amountIn, uint256 amountOut);
-    event BridgeSweeperAddressUpdated(address sweeper, bool allowed);
     event BridgeSwept(address token, uint256 amount, address sweeper);
     event ReceiverPriceFeedUpdated(address newReceiver, address oldReceiver);
     event SweeperBridgeFeeCollected(address sweeper, address token, uint256 feeCollected);
@@ -499,6 +498,7 @@ contract xRenzoDepositNativeBridge is
      * @param   _token  EC20 token
      * @param   _supported  Indicates if the token is supported for a deposit asset
      * @param   _tokenOracle  If supported, the oracle for the token to get pricing in ETH
+     * @param   _valueTransferBridge  Middleware contract used to transfer asset through configured bridge
      */
     function setSupportedToken(
         IERC20 _token,