Ethereum Spoke Pool

contracts/Ethereum_SpokePool.sol

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+//SPDX-License-Identifier: Unlicense
+pragma solidity ^0.8.0;
+
+import "./interfaces/WETH9.sol";
+
+import "@openzeppelin/contracts/access/Ownable.sol";
+import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+
+import "./SpokePool.sol";
+import "./SpokePoolInterface.sol";
+
+/**
+ * @notice Ethereum L1 specific SpokePool.
+ * @dev Used on Ethereum L1 to facilitate L2->L1 transfers.
+ */
+
+contract Ethereum_SpokePool is SpokePoolInterface, SpokePool, Ownable {
+    constructor(
+        address _l1EthWrapper,
+        address _l2Eth,
+        address _crossDomainAdmin,
+        address _hubPool,
+        address _wethAddress,
+        address timerAddress
+    ) SpokePool(_crossDomainAdmin, _hubPool, _wethAddress, timerAddress) {}
+
+    /**************************************
+     *          ADMIN FUNCTIONS           *
+     **************************************/
+
+    function setCrossDomainAdmin(address newCrossDomainAdmin) public override onlyOwner nonReentrant {
+        _setCrossDomainAdmin(newCrossDomainAdmin);
+    }
+
+    function setHubPool(address newHubPool) public override onlyOwner nonReentrant {
+        _setHubPool(newHubPool);
+    }
+
+    function setEnableRoute(
+        address originToken,
+        uint32 destinationChainId,
+        bool enable
+    ) public override onlyOwner nonReentrant {
+        _setEnableRoute(originToken, destinationChainId, enable);
+    }
+
+    function setDepositQuoteTimeBuffer(uint32 buffer) public override onlyOwner nonReentrant {
+        _setDepositQuoteTimeBuffer(buffer);
+    }
+
+    function initializeRelayerRefund(bytes32 relayerRepaymentDistributionRoot, bytes32 slowRelayRoot)
+        public
+        override
+        onlyOwner
+        nonReentrant
+    {
+        _initializeRelayerRefund(relayerRepaymentDistributionRoot, slowRelayRoot);
+    }
+
+    function _bridgeTokensToHubPool(DestinationDistributionLeaf memory distributionLeaf) internal override {
+        IERC20(distributionLeaf.l2TokenAddress).transfer(hubPool, distributionLeaf.amountToReturn);
+    }
+}