Contract 0x797887e464e49e6b376fe15da9fddf15a770cd6b 1

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import {FxBaseChildTunnel} from "../Libraries/tunnel/FxBaseChildTunnel.sol";

contract PolygonOwnershipCache is FxBaseChildTunnel {
    mapping(address => mapping(uint256 => address)) internal layerOneOwnership;

    constructor(address _fxChild) FxBaseChildTunnel(_fxChild) {} // solhint-disable-line no-empty-blocks

    function _processMessageFromRoot(
        uint256 stateId,
        address sender,
        bytes memory data
    ) internal override validateSender(sender) {
        (address contractAddress, uint256 tokenId, address layerOneOwner) = abi.decode(
            data,
            (address, uint256, address)
        );

        layerOneOwnership[contractAddress][tokenId] = layerOneOwner;
    }

    function getOwner(address contractAddress, uint256 tokenId) public view returns (address owner) {
        return layerOneOwnership[contractAddress][tokenId];
    }

    function isOwner(
        address contractAddress,
        uint256 tokenId,
        address actingAddress
    ) public view returns (bool) {
        return getOwner(contractAddress, tokenId) == actingAddress;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

// IFxMessageProcessor represents interface to process message
interface IFxMessageProcessor {
    function processMessageFromRoot(
        uint256 stateId,
        address rootMessageSender,
        bytes calldata data
    ) external;
}

/**
 * @notice Mock child tunnel contract to receive and send message from L2
 */
abstract contract FxBaseChildTunnel is IFxMessageProcessor, Ownable {
    // MessageTunnel on L1 will get data from this event
    event MessageSent(bytes message);

    // fx child
    address public fxChild;

    // fx root tunnel
    address public fxRootTunnel;

    constructor(address _fxChild) {
        fxChild = _fxChild;
    }

    // Sender must be fxRootTunnel in case of ERC20 tunnel
    modifier validateSender(address sender) {
        require(sender == fxRootTunnel, "FxBaseChildTunnel: INVALID_SENDER_FROM_ROOT");
        _;
    }

    // set fxRootTunnel if not set already
    function setFxRootTunnel(address _fxRootTunnel) public onlyOwner {
        fxRootTunnel = _fxRootTunnel;
    }

    function processMessageFromRoot(
        uint256 stateId,
        address rootMessageSender,
        bytes memory data
    ) public override {
        require(_msgSender() == fxChild, "FxBaseChildTunnel: INVALID_SENDER");
        _processMessageFromRoot(stateId, rootMessageSender, data);
    }

    /**
     * @notice Emit message that can be received on Root Tunnel
     * @dev Call the internal function when need to emit message
     * @param message bytes message that will be sent to Root Tunnel
     * some message examples -
     *   abi.encode(tokenId);
     *   abi.encode(tokenId, tokenMetadata);
     *   abi.encode(messageType, messageData);
     */
    function _sendMessageToRoot(bytes memory message) internal {
        emit MessageSent(message);
    }

    /**
     * @notice Process message received from Root Tunnel
     * @dev function needs to be implemented to handle message as per requirement
     * This is called by onStateReceive function.
     * Since it is called via a system call, any event will not be emitted during its execution.
     * @param stateId unique state id
     * @param sender root message sender
     * @param message bytes message that was sent from Root Tunnel
     */
    function _processMessageFromRoot(
        uint256 stateId,
        address sender,
        bytes memory message
    ) internal virtual;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_fxChild","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"message","type":"bytes"}],"name":"MessageSent","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"fxChild","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fxRootTunnel","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getOwner","outputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"actingAddress","type":"address"}],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"stateId","type":"uint256"},{"internalType":"address","name":"rootMessageSender","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"processMessageFromRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_fxRootTunnel","type":"address"}],"name":"setFxRootTunnel","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000cf73231f28b7331bbe3124b907840a94851f9f11

-----Decoded View---------------
Arg [0] : _fxChild (address): 0xcf73231f28b7331bbe3124b907840a94851f9f11

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000cf73231f28b7331bbe3124b907840a94851f9f11