From 6ad9ef16561cddd6c8a8fb2a51e65c898a9710b9 Mon Sep 17 00:00:00 2001
From: blockgroot <170620375+blockgroot@users.noreply.github.com>
Date: Thu, 20 Jun 2024 11:01:43 +0530
Subject: [PATCH] refactor: remove unused contract (#241)

---
 contracts/L2/ETHx.sol | 74 -------------------------------------------
 1 file changed, 74 deletions(-)
 delete mode 100644 contracts/L2/ETHx.sol

diff --git a/contracts/L2/ETHx.sol b/contracts/L2/ETHx.sol
deleted file mode 100644
index 3323badb..00000000
--- a/contracts/L2/ETHx.sol
+++ /dev/null
@@ -1,74 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity 0.8.16;
-
-import { Initializable } from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
-import { ERC20Upgradeable } from "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
-import { AccessControlUpgradeable } from "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
-import { PausableUpgradeable } from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
-
-/**
- * @title ETHx token Contract for L2s
- * @author Stader Labs
- * @notice The ERC20 contract for the ETHx token
- */
-contract ETHx is Initializable, ERC20Upgradeable, PausableUpgradeable, AccessControlUpgradeable {
-    error ZeroAddress();
-
-    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
-    bytes32 public constant BURNER_ROLE = keccak256("BURNER_ROLE");
-    bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
-
-    /// @custom:oz-upgrades-unsafe-allow constructor
-    constructor() {
-        _disableInitializers();
-    }
-
-    function initialize(address _admin) external initializer onlyNonZeroAddress(_admin) {
-        __ERC20_init("ETHx", "ETHx");
-        __Pausable_init();
-        __AccessControl_init();
-
-        _grantRole(DEFAULT_ADMIN_ROLE, _admin);
-    }
-
-    /**
-     * @notice Mints ethX when called by an authorized caller
-     * @param to the account to mint to
-     * @param amount the amount of ethX to mint
-     */
-    function mint(address to, uint256 amount) external onlyRole(MINTER_ROLE) whenNotPaused {
-        _mint(to, amount);
-    }
-
-    /**
-     * @notice Burns ethX when called by an authorized caller
-     * @param account the account to burn from
-     * @param amount the amount of ethX to burn
-     */
-    function burnFrom(address account, uint256 amount) external onlyRole(BURNER_ROLE) whenNotPaused {
-        _burn(account, amount);
-    }
-
-    /**
-     * @dev Triggers stopped state.
-     * Contract must not be paused.
-     */
-    function pause() external onlyRole(PAUSER_ROLE) {
-        _pause();
-    }
-
-    /**
-     * @dev Returns to normal state.
-     * Contract must be paused
-     */
-    function unpause() external onlyRole(DEFAULT_ADMIN_ROLE) {
-        _unpause();
-    }
-
-    modifier onlyNonZeroAddress(address _addr) {
-        if (_addr == address(0)) {
-            revert ZeroAddress();
-        }
-        _;
-    }
-}