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contracts...test1.sol

// SPDX-License-Identifier: Apache-2.0


pragma solidity ^0.6.11;

library AddressAliasHelper {
    uint160 constant offset = uint160(0x1111000000000000000000000000000000001111);

    /// @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 l1Address L2 address as viewed in msg.sender
    /// @return l2Address the address in the L1 that triggered the tx to L2
    function applyL1ToL2Alias(address l1Address) internal pure returns (address l2Address) {
        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) {
        l1Address = address(uint160(l2Address) - offset);
    }
}

contract Test {
    function getValue() external view returns(address) {
        return AddressAliasHelper.applyL1ToL2Alias(address(0xAEb7fFf13Bf3b10AE176dE39eE468aE03DC8109f));
    }
}