fixes address alias import in scroll sequencer uptime feed

contracts/src/v0.8/l2ep/dev/scroll/ScrollSequencerUptimeFeed.sol

@@ -9,7 +9,7 @@ import {TypeAndVersionInterface} from "../../../interfaces/TypeAndVersionInterfa
 
 import {SimpleReadAccessController} from "../../../shared/access/SimpleReadAccessController.sol";
 
-import {AddressAliasHelper} from "../../../vendor/arb-bridge-eth/v0.8.0-custom/contracts/libraries/AddressAliasHelper.sol";
+import {AddressAliasHelper} from "../../../vendor/@scroll-tech/contracts/src/libraries/common/AddressAliasHelper.sol";
 import {IL2ScrollMessenger} from "@scroll-tech/contracts/L2/IL2ScrollMessenger.sol";
 
 /// @title ScrollSequencerUptimeFeed - L2 sequencer uptime status aggregator

contracts/src/v0.8/vendor/@scroll-tech/contracts/src/libraries/common/AddressAliasHelper.sol

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.16;
+
+// @source: https://github.com/scroll-tech/scroll/blob/develop/contracts/src/libraries/common/AddressAliasHelper.sol
+library AddressAliasHelper {
+  /// @dev The offset added to the address in L1.
+  uint160 internal constant OFFSET = uint160(0x1111000000000000000000000000000000001111);
+
+  /// @notice Utility function that converts the address in the L1 that submitted a tx to
+  /// the inbox to the msg.sender viewed in the L2
+  /// @param l1Address the address in the L1 that triggered the tx to L2
+  /// @return l2Address L2 address as viewed in msg.sender
+  function applyL1ToL2Alias(address l1Address) internal pure returns (address l2Address) {
+    unchecked {
+      l2Address = address(uint160(l1Address) + OFFSET);
+    }
+  }
+
+  /// @notice Utility function that converts the msg.sender viewed in the L2 to the
+  /// address in the L1 that submitted a tx to the inbox
+  /// @param l2Address L2 address as viewed in msg.sender
+  /// @return l1Address the address in the L1 that triggered the tx to L2
+  function undoL1ToL2Alias(address l2Address) internal pure returns (address l1Address) {
+    unchecked {
+      l1Address = address(uint160(l2Address) - OFFSET);
+    }
+  }
+}