Contract 0x6e1404A557850551EDaA9fD1311c9297BAF7bD52 3

 
 
Txn Hash
Method
Block
From
To
Value
0x1f733b7594439f8593143b10beb6fade4e1e4f7458de8e3422e31709e4492ae7Set Approval For...161245572022-12-06 8:28:3522 hrs 1 min ago0xc9f26653e0435ef992c9fbb8e3198b8e2cc39b2b IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00063618 13.76821239
0xd0e6cac3c0b41a21f8cc4b13db283f8785d11485bf61cbd96e8274d6691d5569Set Approval For...161209682022-12-05 20:27:471 day 10 hrs ago0xd116ec51ced0a7a49bea6555f90872752448d8bc IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00061922 13.40113673
0x7c751d13beaee064a701c38db045732e6ed454d269002a55deda03c6cc2d5b45Set Approval For...161188252022-12-05 13:12:231 day 17 hrs agoENS Name bricoun.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00058241 12.60450892
0xc19290af04cacefbd806bce82cd89e50866d7c372b8632191788b96e8e0b545cSet Approval For...161175072022-12-05 8:47:471 day 21 hrs ago0xa95cbf47e3f00eba1a8ad008a947a1a479196198 IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00031663 13.04592561
0xaaa21e7785062a731458b2620a1feb2626619944ebb9ec95f69f3b0f537d7b79Set Approval For...161014072022-12-03 2:49:354 days 3 hrs ago0x306d46010379a2f8f6f41117dfb6de4f52fa33fe IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00050801 11
0x6bd00006895213d7a917225642c7e5b216c32e54f02505f486d7305614b3bb0aSafe Transfer Fr...160976112022-12-02 14:06:114 days 16 hrs ago0xe54d1b384ce364df24295e0e47e282f1e53e323d IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00107446 18.47720746
0xe521f6c1543db9727b5d627e8893677307ce73056b1ce4833385bc2751c020bbSafe Transfer Fr...160919392022-12-01 19:07:355 days 11 hrs ago0x7382bcf0bda75e8cfdf5d5d7515c6aa59d480a04 IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00079343 17.3045753
0x68ea43d85b40dacf229952d8d59cc9599252f1c264d21db19fa70e7749716517Set Approval For...160858032022-11-30 22:33:116 days 7 hrs agoENS Name thicctrap.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00062697 13.56888145
0x8651d80cb3b382ee32ed32d6148b2745e4fc2fc78b6f55baf0821bd21d45b6c5Set Approval For...160837952022-11-30 15:48:476 days 14 hrs agoENS Name rodkey.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00060251 13.03943705
0xdf3ec147f201adead60b15ebae0d37547360fd69f97c44e7d1528c930af5d170Set Approval For...160837562022-11-30 15:40:596 days 14 hrs ago0x320345c9965b8a41054627a5d71591c37294cf17 IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00063732 13.77493187
0x73a808e23eb1ccc7dde8f35d3a582bf241f8c3e53478fa4de5b213d1f2eac30bSet Approval For...160732592022-11-29 4:27:598 days 2 hrs ago0x6a36a1dcea3522368bcab154b737ca71d51463a3 IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00049341 10.67825542
0x4c268fe7dd469dfc8316b7023bc417d31dc7658e39e74810db7f8746acadf1fdSafe Transfer Fr...160722682022-11-29 1:07:598 days 5 hrs ago0xefbc27dac70b7de2816dec75252274ecfdeb3123 IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00061078 9.70072161
0x3a53d804f48357f179698e3beb7ee889da0da40f4d863acb3ae87909928f9f5cSet Approval For...160682862022-11-28 11:48:238 days 18 hrs agoENS Name yeenoghu.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00049878 10.79467328
0x4a70ec98d98f058989114db446688ca71809c49afc114f21feedbe4a0644f5c8Safe Transfer Fr...160613242022-11-27 12:28:239 days 18 hrs agoENS Name elonmon.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00079116 12.57839808
0x4546c24ededd83137686e0a6e6a20c726c117e687a5f8820bccfed53034b476fSet Approval For...160547412022-11-26 14:24:4710 days 16 hrs ago0x75f13854179d1289fd34157c485a781702def2e4 IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00047485 10.2767127
0xb6534b43e2fa366fa074cc8e91dbc20965f6f0434517f6ddd187e2a48c6838f3Set Approval For...160358342022-11-23 23:02:4713 days 7 hrs ago0x2d5d08d4359c4005aa3326b49c96fba32dbbbc4e IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00060178 13.0305118
0x16cff16a9e8274a3234a1dff0d61cd1378f8c7dd7fe406b33bd677dd95dc91f3Set Approval For...160340702022-11-23 17:04:2313 days 13 hrs agoENS Name feba.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.0011265 24.39230294
0x3a441bbce892dcce483d6759fbd933ece949f2df7e561f195b72e39bda4fa4b3Set Approval For...160267552022-11-22 16:31:3514 days 13 hrs agoENS Name mankey.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00083266 18.02978991
0xac5bdae9c44ac184ee3a4a4c4c16b44e483b89d2d86239b9b7f3449b096615cbSet Approval For...160252272022-11-22 11:23:3514 days 19 hrs agoENS Name hocrypto.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00031059 12.75263796
0x58401afaf040a65523b71eddcd0c3b18c7c8b644e14822e3a18fe4f243606eaeSet Approval For...160218122022-11-21 23:56:4715 days 6 hrs ago0x0bad329cb915575f2fc954da0f31a3ad06d0883d IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00058081 12.56991142
0xc4b01d8b8472c320294a6b9ee141a713064a03759021562eb0fdedf425cb7befSet Approval For...160172452022-11-21 8:38:2315 days 21 hrs agoENS Name g0j0.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.0005319 11.49643075
0x4f972d4cdaa8a3c817fa6d7100c748caab99a41ef51e3f4ff8b98bd8d3e51684Set Approval For...160172452022-11-21 8:38:2315 days 21 hrs agoENS Name g0j0.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00053121 11.49643075
0x4e77ef8c47719c59a09891d7f7511d272bbc254bd7dfaabfeae8081619347c4dSet Approval For...160130682022-11-20 18:38:4716 days 11 hrs ago0xaa7ffe3ad9e101167c558548cc5c83b5c6c126bf IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00030038 12.33359671
0x2826ac4666f53dd691e2d99c6d0b76f71c4ab73551afa1b3151d4b9f951e3b08Set Approval For...160129962022-11-20 18:24:2316 days 12 hrs agoENS Name maexmiller.eth IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00060119 13.01097174
0xd5b831c8ebe6f493b5b989cbd0947a142d3ed40685c85d1d92295a158c6e1044Set Approval For...160120332022-11-20 15:10:5916 days 15 hrs ago0x7fa74da20785699ef24e9540d44e7976012d4241 IN  0x6e1404a557850551edaa9fd1311c9297baf7bd520 Ether0.00055074 11.92521942
[ Download CSV Export 
Latest 2 internal transactions
Parent Txn Hash Block From To Value
0xf91c06e249b9281a5393dd0c76d9d333aa2d1cb822c47ac5ffeb1d95f3d1fa09153153842022-08-10 16:26:10118 days 14 hrs ago 0x6e1404a557850551edaa9fd1311c9297baf7bd520x7382bcf0bda75e8cfdf5d5d7515c6aa59d480a04154 Ether
0x6676a2da5f68dbf2db2a154f94616b9625ddb03ef3f409a72c67e303d67429db153152422022-08-10 15:55:04118 days 14 hrs ago 0x6e1404a557850551edaa9fd1311c9297baf7bd520x7382bcf0bda75e8cfdf5d5d7515c6aa59d480a04154 wei
[ Download CSV Export 
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
DefimonsApartments

Compiler Version
v0.8.15+commit.e14f2714

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 25 : DefimonsApartments.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {MerkleProof} from "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";

import {ONFT721} from "../Omnichain/token/onft/ONFT721.sol";

/**
                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                          
                            .....::::::::....                                                 .::^~~~~!!!!!!!!!~:.                                                                                                                                        
                     .:~!77?????JJ???JJJJJJJ???7!~^:.                                     :~!???????777777777??JYJ7^                                                                                                                                      
                   :7??7!~~~^^^^^^^^^^^^~~~~!!77?JJJJ?!:.                               :7J?!^::........::::::^~7JYY7:::::..                                                                                                                              
                  ~J?~:...................:::::^^^~!7?YYJ7^.                           :JJ~:...................:^7JY5YYYYYYJ7^.       ...       .^~~~~^.                                                               ..:::::..                          
                 ^Y?^...........................:::^^^~7?YY?^.     .:^~!77??7777!~^:. .?J!.....................:^7JJ7!~~!?Y55YJ^  :!7??JJ?7~..~???7??JYY?^            ...:...          .:^~~^:.         .:^~~~~:.  .^!7????JJJJJ??!^.                     
                 7Y?:...............................::^^~!JYY?: :~7??77!!~~!!!77?JJJJ?7Y?^.....................^7J7:.....:~JYYYY~7J7~^^~!?YYJJJ!:..:^~7JYY7.     .^!7????JJJJ??!~:   :!?????JYJ?~.    .~??????JYJ77??!~^::::^^~!7?YYJ~                    
                 !YJ!:.................................:^^~?Y5J7J?~::..........::^~!7JYY?:........:^~~~~!!!!!!7JYY^.......:7YYYYYJ!.....:^!JYY7......^^7JY5!  .~7??!~~^^^^^~!!?JYYJ!!J?^:.::^!?Y5J!. :?J!:..:^~7JY?^............:^7JY5!                   
                 .?5Y?!~^^^^~~..........:~~^^:..........:^^~?YYJ~...........::.....:^~7J7:.......^^7JYYYYYYYYYYYYY?:.....:!YYYYYY7:......^^7J?:......:^~?YYJ^!J?!:..........::^^~7JYY?^......:^!?JYY!?Y7......:^?!:..............:!JYYJ:                  
                  .!J5YYYYYYJ?........:^~?YYJJ7!^........:^^!JJ~.........:~7J?!.....:^~?7:.......^^~!!!!!!!!?JYYYYYJ!~~~!JYYYYYYJ~.......:^~?^........^^7JYYY?~................::^~7J?^........:^~7JYYY7......:^7:.......::::...:!?YY5?.                  
                    .^7?JYYYY?........:^^7YYYYYY?^.......:^^!?7:........:^7JYY?:.....^^77:................::^~7YY?7~~^^~7?JYYYYY7:........:^^.........:^!?YY?^.........:::.......:^^7?^..........:^~7JY7......:^7:......:~7?????JYYYYJ:                   
                        ..:?Y?........:^^7YYYYJ?~........:^^!?~.........:^7YYJ!.....:^~??:...................:!??!:.....:~7?YYYJ~......................^^7J?^........^7?JJ?!:.....:^^7^............::~77:.....:^7!........:^~7?JYYYY!.                    
                           7Y?:.......:^^7JJ?7~:.........^^~?J~.........:^~!~^.....:^~?Y?:...................:!??^.......:!?YYY7:......................:^!?!.......:!JYY5YYY?:.....^^!^...............:^......:^7?!:.........::^!?JYJ!:                   
                      .^~!7JY?:.......:^^~~::...........:^~7JJ~..................:^~7JYY?^..................^!JJ?^.......^!?YYJ~........................^^?!.......^?YYY7:!YJ^.....:^~^......:^:..............:^7JY?~:..........:^~?Y5J~                  
                    :7??7!!~~~..........................^~?YYY!..............::~!7?JYYYYJ~.........^!!!777??JYYJ?^.......^7?YY7.......::................:^!!........!JY57~?J!:.....^^7^......^!?!^............:^7JYYYJ?!^:........:^7JYY~                 
                   !J?^:..............................:~7JYYYY?:..........^7?JJ7!~^^^!7J?~.........~JYYY5555YYYJ?^.......^7?Y?^.....:^~7:........^~.....:^^7^........^!7?7!^......:^~?~......^!?YJ7^..........:^7JYJ???J??7~:......:~?YYJ:                
                  ^Y?:..............................:~7JYY5YJYJ!...........!JJ!:.....:~?J~.........^?YYY7!~~~^YJ?^.......^7?J7......^^7?!.......:7?:.....:^!?^...................:^~??~......^!?YYYJ7^........:^7?!^::::^^^^:......:~?YYY^                
                  ?Y7:..........................:^~7?YY55Y7^.?5J!:..........::.......^!JJ!.........^?YYY^    :YJ?:.......^7??^.....:^~?YJ!:...:^7JJ~.....:^^??!:................:~7JYJ~......^!JYYYYYJ7^......:^7!.................:7JYYY:                
                  !5J!:...................::^~!7?JYY55Y?!:   .?5Y?!^...............:~7JYY?^.......:!JYYY^    :YJ?^.......~???^.....^^7JYYYJ??7?JYYY7:.....:^!JY?!^:...........^~7JYYYJ~......^!JYYY~7Y5J?~:..:~7J7:...............^7JYY57.                
                  .?5Y?!~^^:^^^^^^^~~!!77?JJYYY55YYJ7~:       .!Y5YJ?!~~^^^:^^^~~!7JJYYY5YJ7~^^^^!?YYY57.    .JYJ?~:::::~7JYY?~^::^~7JYYYJY55555YYYJ~.....^~7JYYYYJ7!~~^^~~!7?JYY55YYYJ!^:::~7JYY5J. :7Y5YJ??JJYYY?!^^:::::::::^!?JYYYY7.                 
                   .!J55YYYYYYYYYYYYYY55555YYJJ7!^:.            .~?YY5YYYYYYYYYYY5555YJ7~?Y5YYYYYY555J~.      :?5YJJ????JYYY55YJJJJYYY5Y7.:^~~~^::J5J7!~~!7?YYYY?JY55YYYYYYY555YY?!:^J5YYJJJJYY5Y?:    :!JYYYYYYJJ5YYYJJJJJJJJJYY55YY7^                   
                     .^!?JJJJJJJJJJJ??77!~~::.                     .^!7??JJJJJJJ??7!~:.   :!?JJJJJ?!^.         .~?YY555555YJ!~?JYYYYY?!:          :7Y55YYYY55YJ~ .:~!7??JJ???7~^:    .~?JYYYYYJ7^.        .:::::..~7?JYYYY5YYYYYJ?7^.                     
                         ...........                                     ........            .....                :^~!!!!^:.   .::::.               :~7?JJ??!^.         ..              ..::::.                      ..:::^^^^::.                         
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 */
contract DefimonsApartments is ONFT721 {
    //
    // Using Statements
    //

    using MerkleProof for bytes32[];
    using SafeERC20 for IERC20;

    //
    // Constants
    //

    uint16 public constant MAX_MINT = 9500;

    //
    // Errors
    //

    error InvalidSaleInterval(uint256 start, uint256 finish);
    error InvalidWhitelistRoot();

    error SaleNotFound(uint256 saleId);
    error ZeroMintQuantity();
    error NotInSalePhase(
        uint256 saleId,
        uint256 start,
        uint256 finish,
        uint256 current
    );
    error UserNotWhitelistedOrWrongProof(
        uint256 saleId,
        address user,
        bytes32[] proof
    );
    error WrongValueSentForMint(
        uint256 saleId,
        uint256 value,
        uint256 price,
        uint8 quantity
    );
    error MaximumSaleLimitReached(uint256 saleId, address user, uint8 limit);
    error MaximumSupplyReached();

    //
    // Events
    //

    event LogSetURI(string newURI);
    event LogSaleCreated(
        uint256 indexed saleId,
        uint64 start,
        uint64 finish,
        uint8 limit,
        uint64 price,
        bool whitelist,
        bytes32 root
    );
    event LogSaleEdited(
        uint256 indexed saleId,
        uint64 start,
        uint64 finish,
        uint8 limit,
        uint64 price,
        bool whitelist,
        bytes32 root
    );
    event LogSale(uint256 indexed saleId, address indexed to, uint256 quantity);

    //
    // Structs
    //

    /// Defines the parameters for a sale period.
    /// This is created by the contract's Sale Admin.
    /// A sale period has a start time, finish time, mint price, mint limit and a merkle root.
    /// The root parameter indicates the current sale's merkle root (0 for public sales).
    /// The whitelist boolean is 'true' for all whitelist mint periods and 'false' for public mints.
    /// A sale is active when block.timestamp in interval [start, finish].
    /// The price indicates how much a user has to pay for one NFT in this period.
    /// The limit specifies how many NFTs a user can mint during this period.
    struct Sale {
        bytes32 root;
        bool whitelist;
        uint64 start;
        uint64 finish;
        uint64 price;
        uint8 limit;
    }

    //
    // State
    //

    /// Base NFT metadata URI.
    string private _URI;

    /// Id of the next NFT id to mint (sequential id).
    uint256 public nextToMint = 1;

    /// List of sale phases.
    Sale[] private _sales;

    /// Mapping of the quantity of NFTs minted to each address.
    /// Used to track and cap how many tokens an address is allowed to mint per round.
    /// current sale id => user address => number of NFTs minted
    mapping(uint256 => mapping(address => uint256)) private _minted;

    //
    // ERC721
    //

    /// @dev See {IERC721Metadata-tokenURI}.
    function _baseURI() internal view override returns (string memory) {
        return _URI;
    }

    //
    // Constructor
    //

    constructor(
        string memory _name,
        string memory _symbol,
        address _lzEndpoint,
        string memory _initialURI
    ) ONFT721(_name, _symbol, _lzEndpoint) {
        setURI(_initialURI);
    }

    //
    // Owner API
    //

    function setURI(string memory _newURI) public onlyOwner {
        _URI = _newURI;

        emit LogSetURI(_newURI);
    }

    /// @notice Adds a new sale period.
    /// @dev Can only be called by the contract owner.
    /// @param _start The start of the sale.
    /// @param _finish The end of the sale.
    /// @param _limit The maximum number of NFTs an account can mint during this period.
    /// @param _price The price of each NFT during this period.
    /// @param _whitelist Whether the sale is a whitelist sale
    /// @param _root When adding a whitelist sale, this parameter defines the merkle root to be used for verification.
    function addSale(
        uint64 _start,
        uint64 _finish,
        uint8 _limit,
        uint64 _price,
        bool _whitelist,
        bytes32 _root
    ) external onlyOwner {
        _validateSaleParams(_start, _finish, _whitelist, _root);

        Sale memory sale = Sale({
            start: _start,
            finish: _finish,
            limit: _limit,
            price: _price,
            whitelist: _whitelist,
            root: _root
        });
        _sales.push(sale);

        emit LogSaleCreated(
            _sales.length - 1,
            _start,
            _finish,
            _limit,
            _price,
            _whitelist,
            _root
        );
    }

    /// @notice Edits a Sale Phase
    /// @dev Can only be called by the contract owner.
    /// @param _saleId The unique ID of the sale to be edited
    /// @param _start The new start time we want the sale to have
    /// @param _finish The new end time we want the sale to have
    /// @param _limit The new limit of NFTs we want the sale to have
    /// @param _price The new price we want the NFTs to have
    /// @param _whitelist Whether it is a whitelist sale.
    /// @param _root Defines the root to be used for whitelist verification.
    /// If we want any Sale parameter to stay unchanged, send the same value as a parameter to the function
    function editSale(
        uint256 _saleId,
        uint64 _start,
        uint64 _finish,
        uint8 _limit,
        uint64 _price,
        bool _whitelist,
        bytes32 _root
    ) external onlyOwner {
        _validateSaleParams(_start, _finish, _whitelist, _root);
        if (_saleId >= _sales.length) revert SaleNotFound(_saleId);

        Sale storage sale = _sales[_saleId];
        sale.start = _start;
        sale.finish = _finish;
        sale.limit = _limit;
        sale.price = _price;
        sale.whitelist = _whitelist;
        sale.root = _root;

        emit LogSaleEdited(
            _saleId,
            _start,
            _finish,
            _limit,
            _price,
            _whitelist,
            _root
        );
    }

    /// @notice Withdraws any ETH sent to this contract.
    /// @dev Only callable by this contract's owner.
    /// @param _to The address to withdraw to.
    /// @param _amount The amount of ETH (in Wei) to withdraw.
    function withdrawEther(address _to, uint256 _amount) external onlyOwner {
        payable(_to).transfer(_amount);
    }

    /// Withdraws any ERC20 tokens sent to the contract.
    /// @dev only callable by the owner.
    /// @param _token The ERC20 token to withdraw
    /// @param _to The address to withdraw to.
    /// @param _amount The amount to withdraw
    function withdrawERC20(
        address _token,
        address _to,
        uint256 _amount
    ) external onlyOwner {
        IERC20(_token).safeTransfer(_to, _amount);
    }

    //
    // Public Read API
    //

    function getSale(uint256 _saleId) external view returns (Sale memory) {
        return _sales[_saleId];
    }

    function getSalesCount() external view returns (uint256) {
        return _sales.length;
    }

    function isSaleActive(uint256 _saleId) external view returns (bool) {
        Sale memory sale = _sales[_saleId];
        return block.timestamp >= sale.start && block.timestamp <= sale.finish;
    }

    function getMintedAmount(uint256 _saleId, address _user)
        external
        view
        returns (uint256)
    {
        return _minted[_saleId][_user];
    }

    //
    // Public Write API
    //

    function saleMint(
        uint256 _saleId,
        address _user,
        uint8 _quantity,
        bytes32[] calldata _proof
    ) external payable {
        // check if sale is registered and quantity is grater than zero
        if (_saleId >= _sales.length) revert SaleNotFound(_saleId);
        if (_quantity == 0) revert ZeroMintQuantity();

        Sale memory sale = _sales[_saleId];
        if (block.timestamp < sale.start || block.timestamp > sale.finish)
            revert NotInSalePhase(
                _saleId,
                sale.start,
                sale.finish,
                block.timestamp
            );

        // validate whitelist
        if (sale.whitelist) {
            bytes32 leaf = keccak256(abi.encodePacked(_user));
            if (!_verify(sale.root, _proof, leaf))
                revert UserNotWhitelistedOrWrongProof(_saleId, _user, _proof);
        }

        // validate ETH amount send to contract
        if (msg.value != _quantity * sale.price) {
            revert WrongValueSentForMint(
                _saleId,
                msg.value,
                sale.price,
                _quantity
            );
        }

        // validate individual mint limit
        uint256 availableUser = sale.limit - _minted[_saleId][_user];
        if (availableUser < _quantity) {
            revert MaximumSaleLimitReached(_saleId, _user, sale.limit);
        }

        // validate total mint limit
        uint256 mintedBefore = nextToMint;
        uint256 availableTotal = 1 + MAX_MINT - mintedBefore;
        if (availableTotal == 0) {
            revert MaximumSupplyReached();
        }

        // bound the quantity to mint and increase mint count
        uint256 quantityToMint = Math.min(availableTotal, _quantity);
        _minted[_saleId][_user] += quantityToMint;
        nextToMint += quantityToMint;

        // mint NFTs
        for (uint256 i = 0; i < quantityToMint; ) {
            _mint(_user, mintedBefore + i);
            unchecked {
                ++i;
            }
        }

        // emit sale event
        emit LogSale(_saleId, _user, quantityToMint);

        // refund leftover eth to buyer
        if (quantityToMint < _quantity) {
            // can fail when minting through a contract
            payable(msg.sender).transfer(
                sale.price * (_quantity - quantityToMint)
            );
        }
    }

    //
    // Internal
    //

    function _validateSaleParams(
        uint64 _start,
        uint64 _finish,
        bool _whitelist,
        bytes32 _root
    ) internal pure {
        if (_start > _finish) revert InvalidSaleInterval(_start, _finish);
        if (_whitelist && _root == bytes32(0)) revert InvalidWhitelistRoot();
    }

    /// @notice Internal merkle proof verification.
    /// @dev Verify that `proof` is valid and `leaf` occurs in the merkle tree with root hash `merkleRoot`.
    /// @param root The Merkle Tree Root to be used for verification
    /// @param proof The merkle proof.
    /// @param leaf The leaf node to find.
    function _verify(
        bytes32 root,
        bytes32[] calldata proof,
        bytes32 leaf
    ) internal pure returns (bool verified) {
        verified = proof.verify(root, leaf);
    }
}

File 2 of 25 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

File 3 of 25 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 4 of 25 : MerkleProof.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     *
     * _Available since v4.7._
     */
    function verifyCalldata(
        bytes32[] calldata proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     *
     * _Available since v4.7._
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * _Available since v4.7._
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * _Available since v4.7._
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`,
     * consuming from one or the other at each step according to the instructions given by
     * `proofFlags`.
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

File 5 of 25 : Math.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`.
        // We also know that `k`, the position of the most significant bit, is such that `msb(a) = 2**k`.
        // This gives `2**k < a <= 2**(k+1)` → `2**(k/2) <= sqrt(a) < 2 ** (k/2+1)`.
        // Using an algorithm similar to the msb computation, we are able to compute `result = 2**(k/2)` which is a
        // good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1;
        uint256 x = a;
        if (x >> 128 > 0) {
            x >>= 128;
            result <<= 64;
        }
        if (x >> 64 > 0) {
            x >>= 64;
            result <<= 32;
        }
        if (x >> 32 > 0) {
            x >>= 32;
            result <<= 16;
        }
        if (x >> 16 > 0) {
            x >>= 16;
            result <<= 8;
        }
        if (x >> 8 > 0) {
            x >>= 8;
            result <<= 4;
        }
        if (x >> 4 > 0) {
            x >>= 4;
            result <<= 2;
        }
        if (x >> 2 > 0) {
            result <<= 1;
        }

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        uint256 result = sqrt(a);
        if (rounding == Rounding.Up && result * result < a) {
            result += 1;
        }
        return result;
    }
}

File 6 of 25 : ONFT721.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IONFT721.sol";
import "./ONFT721Core.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";

// NOTE: this ONFT contract has no public minting logic.
// must implement your own minting logic in child classes
contract ONFT721 is ONFT721Core, ERC721, IERC721Receiver, IONFT721 {
    constructor(string memory _name, string memory _symbol, address _lzEndpoint) ERC721(_name, _symbol) ONFT721Core(_lzEndpoint) {}

    function supportsInterface(bytes4 interfaceId) public view virtual override(ONFT721Core, ERC721, IERC165) returns (bool) {
        return interfaceId == type(IONFT721).interfaceId || super.supportsInterface(interfaceId);
    }

    function _debitFrom(address _from, uint16, bytes memory, uint _tokenId) internal virtual override {
        require(_isApprovedOrOwner(_msgSender(), _tokenId), "ONFT721: not owner nor approved");
        require(ERC721.ownerOf(_tokenId) == _from, "ONFT721: incorrect owner");
        _burn(_tokenId);
    }

    function _creditTo(uint16, address _toAddress, uint _tokenId) internal virtual override {
        _safeMint(_toAddress, _tokenId);
    }

    function onERC721Received(address _operator, address, uint, bytes memory) public virtual override returns (bytes4) {
        // only allow `this` to tranfser token from others
        if (_operator != address(this)) return bytes4(0);
        return IERC721Receiver.onERC721Received.selector;
    }

    /// @notice Checks if there is a payload waiting to be delivered.
    function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool) {
        return lzEndpoint.hasStoredPayload(_srcChainId, _srcAddress);
    }

    /// @notice Retries to send a payload in case an error occurs on receiving chain.
    /// @dev In case an error occurs on receiving chain, the message is stuck in the pipeline until this function is called.
    /// Reason for message failing once contracts are stet up correctly is usually running out of gas.
    /// retry this message with a higher amount of gas.
    /// Info on retriving stored payload: https://layerzero.gitbook.io/docs/guides/error-messages/storedpayload-detection
    /// @param _srcChainId The source chain ID
    /// @param _srcAddress The source address
    /// @param _payload Message payload. THis can be retrieved from etherscan:
    function retryPayload(
        uint16 _srcChainId, 
        bytes calldata _srcAddress, 
        bytes calldata _payload) external payable {
        lzEndpoint.retryPayload(_srcChainId, _srcAddress, _payload);
    }
}

File 7 of 25 : draft-IERC20Permit.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

File 8 of 25 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 9 of 25 : IONFT721.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IONFT721Core.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";

/**
 * @dev Interface of the ONFT standard
 */
interface IONFT721 is IONFT721Core, IERC721 {

}

File 10 of 25 : ONFT721Core.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IONFT721Core.sol";
import "../../lzApp/NonblockingLzApp.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";

abstract contract ONFT721Core is NonblockingLzApp, ERC165, IONFT721Core {
    constructor(address _lzEndpoint) NonblockingLzApp(_lzEndpoint) {}

    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return interfaceId == type(IONFT721Core).interfaceId || super.supportsInterface(interfaceId);
    }

    function estimateSendFee(uint16 _dstChainId, bytes memory _toAddress, uint _tokenId, bool _useZro, bytes memory _adapterParams) public view virtual override returns (uint nativeFee, uint zroFee) {
        // mock the payload for send()
        bytes memory payload = abi.encode(_toAddress, _tokenId);
        return lzEndpoint.estimateFees(_dstChainId, address(this), payload, _useZro, _adapterParams);
    }

    function send(uint16 _dstChainId, bytes memory _toAddress, uint _tokenId, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams) public payable virtual override {
        _send(msg.sender, _dstChainId, _toAddress, _tokenId, _refundAddress, _zroPaymentAddress, _adapterParams);
    }

    function _send(address _from, uint16 _dstChainId, bytes memory _toAddress, uint _tokenId, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams) internal virtual {
        _debitFrom(_from, _dstChainId, _toAddress, _tokenId);

        bytes memory payload = abi.encode(_toAddress, _tokenId);
        _lzSend(_dstChainId, payload, _refundAddress, _zroPaymentAddress, _adapterParams);

        uint64 nonce = lzEndpoint.getOutboundNonce(_dstChainId, address(this));
        emit SendToChain(_from, _dstChainId, _toAddress, _tokenId, nonce);
    }

    function _nonblockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual override {
        // decode and load the toAddress
        (bytes memory toAddressBytes, uint tokenId) = abi.decode(_payload, (bytes, uint));
        address toAddress;
        assembly {
            toAddress := mload(add(toAddressBytes, 20))
        }

        _creditTo(_srcChainId, toAddress, tokenId);

        emit ReceiveFromChain(_srcChainId, _srcAddress, toAddress, tokenId, _nonce);
    }

    function _debitFrom(address _from, uint16 _dstChainId, bytes memory _toAddress, uint _tokenId) internal virtual;

    function _creditTo(uint16 _srcChainId, address _toAddress, uint _tokenId) internal virtual;
}

File 11 of 25 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

File 12 of 25 : ERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: address zero is not a valid owner");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: invalid token ID");
        return owner;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        _requireMinted(tokenId);

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not token owner or approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        _requireMinted(tokenId);

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");

        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");
        _safeTransfer(from, to, tokenId, data);
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * `data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);

        _afterTokenTransfer(address(0), to, tokenId);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     * This is an internal function that does not check if the sender is authorized to operate on the token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        delete _tokenApprovals[tokenId];

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);

        _afterTokenTransfer(owner, address(0), tokenId);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        delete _tokenApprovals[tokenId];

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits an {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits an {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Reverts if the `tokenId` has not been minted yet.
     */
    function _requireMinted(uint256 tokenId) internal view virtual {
        require(_exists(tokenId), "ERC721: invalid token ID");
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

File 13 of 25 : IONFT721Core.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/introspection/IERC165.sol";

/**
 * @dev Interface of the ONFT Core standard
 */
interface IONFT721Core is IERC165 {
    /**
     * @dev estimate send token `_tokenId` to (`_dstChainId`, `_toAddress`)
     * _dstChainId - L0 defined chain id to send tokens too
     * _toAddress - dynamic bytes array which contains the address to whom you are sending tokens to on the dstChain
     * _tokenId - token Id to transfer
     * _useZro - indicates to use zro to pay L0 fees
     * _adapterParams - flexible bytes array to indicate messaging adapter services in L0
     */
    function estimateSendFee(uint16 _dstChainId, bytes calldata _toAddress, uint _tokenId, bool _useZro, bytes calldata _adapterParams) external view returns (uint nativeFee, uint zroFee);

    /**
     * @dev send token `_tokenId` to (`_dstChainId`, `_toAddress`) from `_from`
     * `_toAddress` can be any size depending on the `dstChainId`.
     * `_zroPaymentAddress` set to address(0x0) if not paying in ZRO (LayerZero Token)
     * `_adapterParams` is a flexible bytes array to indicate messaging adapter services
     */
    function send(uint16 _dstChainId, bytes calldata _toAddress, uint _tokenId, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable;

    /**
     * @dev Emitted when `_tokenId` are moved from the `_sender` to (`_dstChainId`, `_toAddress`)
     * `_nonce` is the outbound nonce from
     */
    event SendToChain(address indexed _sender, uint16 indexed _dstChainId, bytes indexed _toAddress, uint _tokenId, uint64 _nonce);

    /**
     * @dev Emitted when `_tokenId` are sent from `_srcChainId` to the `_toAddress` at this chain. `_nonce` is the inbound nonce.
     */
    event ReceiveFromChain(uint16 indexed _srcChainId, bytes indexed _srcAddress, address indexed _toAddress, uint _tokenId, uint64 _nonce);
}

File 14 of 25 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

File 15 of 25 : NonblockingLzApp.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./LzApp.sol";

/*
 * the default LayerZero messaging behaviour is blocking, i.e. any failed message will block the channel
 * this abstract class try-catch all fail messages and store locally for future retry. hence, non-blocking
 * NOTE: if the srcAddress is not configured properly, it will still block the message pathway from (srcChainId, srcAddress)
 */
abstract contract NonblockingLzApp is LzApp {
    constructor(address _endpoint) LzApp(_endpoint) {}

    mapping(uint16 => mapping(bytes => mapping(uint64 => bytes32))) public failedMessages;

    event MessageFailed(uint16 _srcChainId, bytes _srcAddress, uint64 _nonce, bytes _payload);

    // overriding the virtual function in LzReceiver
    function _blockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual override {
        // try-catch all errors/exceptions
        try this.nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload) {
            // do nothing
        } catch {
            // error / exception
            failedMessages[_srcChainId][_srcAddress][_nonce] = keccak256(_payload);
            emit MessageFailed(_srcChainId, _srcAddress, _nonce, _payload);
        }
    }

    function nonblockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) public virtual {
        // only internal transaction
        require(_msgSender() == address(this), "LzReceiver: caller must be LzApp");
        _nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
    }

    //@notice override this function
    function _nonblockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual;

    function retryMessage(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes calldata _payload) public payable virtual {
        // assert there is message to retry
        bytes32 payloadHash = failedMessages[_srcChainId][_srcAddress][_nonce];
        require(payloadHash != bytes32(0), "LzReceiver: no stored message");
        require(keccak256(_payload) == payloadHash, "LzReceiver: invalid payload");
        // clear the stored message
        failedMessages[_srcChainId][_srcAddress][_nonce] = bytes32(0);
        // execute the message. revert if it fails again
        _nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
    }
}

File 16 of 25 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

File 17 of 25 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

File 18 of 25 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

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) {
        return msg.data;
    }
}

File 19 of 25 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

File 20 of 25 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 21 of 25 : LzApp.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "../interfaces/ILayerZeroReceiver.sol";
import "../interfaces/ILayerZeroUserApplicationConfig.sol";
import "../interfaces/ILayerZeroEndpoint.sol";

/*
 * a generic LzReceiver implementation
 */
abstract contract LzApp is Ownable, ILayerZeroReceiver, ILayerZeroUserApplicationConfig {
    ILayerZeroEndpoint public immutable lzEndpoint;

    mapping(uint16 => bytes) public trustedRemoteLookup;

    event SetTrustedRemote(uint16 _srcChainId, bytes _srcAddress);

    constructor(address _endpoint) {
        lzEndpoint = ILayerZeroEndpoint(_endpoint);
    }

    function lzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) public virtual override {
        // lzReceive must be called by the endpoint for security
        require(_msgSender() == address(lzEndpoint), "LzReceiver: !endpoint");

        bytes memory trustedRemote = trustedRemoteLookup[_srcChainId];
        // if will still block the message pathway from (srcChainId, srcAddress). should not receive message from untrusted remote.
        require(_srcAddress.length == trustedRemote.length && keccak256(_srcAddress) == keccak256(trustedRemote), "LzReceiver: invalid source");

        _blockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
    }

    // abstract function - the default behaviour of LayerZero is blocking. See: NonblockingLzApp if you dont need to enforce ordered messaging
    function _blockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual;

    function _lzSend(uint16 _dstChainId, bytes memory _payload, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams) internal virtual {
        bytes memory trustedRemote = trustedRemoteLookup[_dstChainId];
        require(trustedRemote.length != 0, "LzSend: !trusted source.");
        lzEndpoint.send{value: msg.value}(_dstChainId, trustedRemote, _payload, _refundAddress, _zroPaymentAddress, _adapterParams);
    }

    //---------------------------UserApplication config----------------------------------------
    function getConfig(uint16 _version, uint16 _chainId, address, uint _configType) external view returns (bytes memory) {
        return lzEndpoint.getConfig(_version, _chainId, address(this), _configType);
    }

    // generic config for LayerZero user Application
    function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external override onlyOwner {
        lzEndpoint.setConfig(_version, _chainId, _configType, _config);
    }

    function setSendVersion(uint16 _version) external override onlyOwner {
        lzEndpoint.setSendVersion(_version);
    }

    function setReceiveVersion(uint16 _version) external override onlyOwner {
        lzEndpoint.setReceiveVersion(_version);
    }

    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external override onlyOwner {
        lzEndpoint.forceResumeReceive(_srcChainId, _srcAddress);
    }

    // allow owner to set it multiple times.
    function setTrustedRemote(uint16 _srcChainId, bytes calldata _srcAddress) external onlyOwner {
        trustedRemoteLookup[_srcChainId] = _srcAddress;
        emit SetTrustedRemote(_srcChainId, _srcAddress);
    }

    //--------------------------- VIEW FUNCTION ----------------------------------------

    function isTrustedRemote(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool) {
        bytes memory trustedSource = trustedRemoteLookup[_srcChainId];
        return keccak256(trustedSource) == keccak256(_srcAddress);
    }

}

File 22 of 25 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        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 {
        _transferOwnership(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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 23 of 25 : ILayerZeroReceiver.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

interface ILayerZeroReceiver {
    // @notice LayerZero endpoint will invoke this function to deliver the message on the destination
    // @param _srcChainId - the source endpoint identifier
    // @param _srcAddress - the source sending contract address from the source chain
    // @param _nonce - the ordered message nonce
    // @param _payload - the signed payload is the UA bytes has encoded to be sent
    function lzReceive(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) external;
}

File 24 of 25 : ILayerZeroUserApplicationConfig.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

interface ILayerZeroUserApplicationConfig {
    // @notice set the configuration of the LayerZero messaging library of the specified version
    // @param _version - messaging library version
    // @param _chainId - the chainId for the pending config change
    // @param _configType - type of configuration. every messaging library has its own convention.
    // @param _config - configuration in the bytes. can encode arbitrary content.
    function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external;

    // @notice set the send() LayerZero messaging library version to _version
    // @param _version - new messaging library version
    function setSendVersion(uint16 _version) external;

    // @notice set the lzReceive() LayerZero messaging library version to _version
    // @param _version - new messaging library version
    function setReceiveVersion(uint16 _version) external;

    // @notice Only when the UA needs to resume the message flow in blocking mode and clear the stored payload
    // @param _srcChainId - the chainId of the source chain
    // @param _srcAddress - the contract address of the source contract at the source chain
    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external;
}

File 25 of 25 : ILayerZeroEndpoint.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

import "./ILayerZeroUserApplicationConfig.sol";

interface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig {
    // @notice send a LayerZero message to the specified address at a LayerZero endpoint.
    // @param _dstChainId - the destination chain identifier
    // @param _destination - the address on destination chain (in bytes). address length/format may vary by chains
    // @param _payload - a custom bytes payload to send to the destination contract
    // @param _refundAddress - if the source transaction is cheaper than the amount of value passed, refund the additional amount to this address
    // @param _zroPaymentAddress - the address of the ZRO token holder who would pay for the transaction
    // @param _adapterParams - parameters for custom functionality. e.g. receive airdropped native gas from the relayer on destination
    function send(uint16 _dstChainId, bytes calldata _destination, bytes calldata _payload, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable;

    // @notice used by the messaging library to publish verified payload
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source contract (as bytes) at the source chain
    // @param _dstAddress - the address on destination chain
    // @param _nonce - the unbound message ordering nonce
    // @param _gasLimit - the gas limit for external contract execution
    // @param _payload - verified payload to send to the destination contract
    function receivePayload(uint16 _srcChainId, bytes calldata _srcAddress, address _dstAddress, uint64 _nonce, uint _gasLimit, bytes calldata _payload) external;

    // @notice get the inboundNonce of a lzApp from a source chain which could be EVM or non-EVM chain
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (uint64);

    // @notice get the outboundNonce from this source chain which, consequently, is always an EVM
    // @param _srcAddress - the source chain contract address
    function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view returns (uint64);

    // @notice gets a quote in source native gas, for the amount that send() requires to pay for message delivery
    // @param _dstChainId - the destination chain identifier
    // @param _userApplication - the user app address on this EVM chain
    // @param _payload - the custom message to send over LayerZero
    // @param _payInZRO - if false, user app pays the protocol fee in native token
    // @param _adapterParam - parameters for the adapter service, e.g. send some dust native token to dstChain
    function estimateFees(uint16 _dstChainId, address _userApplication, bytes calldata _payload, bool _payInZRO, bytes calldata _adapterParam) external view returns (uint nativeFee, uint zroFee);

    // @notice get this Endpoint's immutable source identifier
    function getChainId() external view returns (uint16);

    // @notice the interface to retry failed message on this Endpoint destination
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    // @param _payload - the payload to be retried
    function retryPayload(uint16 _srcChainId, bytes calldata _srcAddress, bytes calldata _payload) external;

    // @notice query if any STORED payload (message blocking) at the endpoint.
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool);

    // @notice query if the _libraryAddress is valid for sending msgs.
    // @param _userApplication - the user app address on this EVM chain
    function getSendLibraryAddress(address _userApplication) external view returns (address);

    // @notice query if the _libraryAddress is valid for receiving msgs.
    // @param _userApplication - the user app address on this EVM chain
    function getReceiveLibraryAddress(address _userApplication) external view returns (address);

    // @notice query if the non-reentrancy guard for send() is on
    // @return true if the guard is on. false otherwise
    function isSendingPayload() external view returns (bool);

    // @notice query if the non-reentrancy guard for receive() is on
    // @return true if the guard is on. false otherwise
    function isReceivingPayload() external view returns (bool);

    // @notice get the configuration of the LayerZero messaging library of the specified version
    // @param _version - messaging library version
    // @param _chainId - the chainId for the pending config change
    // @param _userApplication - the contract address of the user application
    // @param _configType - type of configuration. every messaging library has its own convention.
    function getConfig(uint16 _version, uint16 _chainId, address _userApplication, uint _configType) external view returns (bytes memory);

    // @notice get the send() LayerZero messaging library version
    // @param _userApplication - the contract address of the user application
    function getSendVersion(address _userApplication) external view returns (uint16);

    // @notice get the lzReceive() LayerZero messaging library version
    // @param _userApplication - the contract address of the user application
    function getReceiveVersion(address _userApplication) external view returns (uint16);
}

Settings
{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "@threesigma/=lib/threesigma-contracts/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "script/=script/",
    "src/=src/",
    "test/=test/",
    "threesigma-contracts/=lib/threesigma-contracts/contracts/",
    "src/=src/",
    "test/=test/",
    "script/=script/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"address","name":"_lzEndpoint","type":"address"},{"internalType":"string","name":"_initialURI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"finish","type":"uint256"}],"name":"InvalidSaleInterval","type":"error"},{"inputs":[],"name":"InvalidWhitelistRoot","type":"error"},{"inputs":[{"internalType":"uint256","name":"saleId","type":"uint256"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint8","name":"limit","type":"uint8"}],"name":"MaximumSaleLimitReached","type":"error"},{"inputs":[],"name":"MaximumSupplyReached","type":"error"},{"inputs":[{"internalType":"uint256","name":"saleId","type":"uint256"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"finish","type":"uint256"},{"internalType":"uint256","name":"current","type":"uint256"}],"name":"NotInSalePhase","type":"error"},{"inputs":[{"internalType":"uint256","name":"saleId","type":"uint256"}],"name":"SaleNotFound","type":"error"},{"inputs":[{"internalType":"uint256","name":"saleId","type":"uint256"},{"internalType":"address","name":"user","type":"address"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"UserNotWhitelistedOrWrongProof","type":"error"},{"inputs":[{"internalType":"uint256","name":"saleId","type":"uint256"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint8","name":"quantity","type":"uint8"}],"name":"WrongValueSentForMint","type":"error"},{"inputs":[],"name":"ZeroMintQuantity","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"saleId","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"LogSale","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"saleId","type":"uint256"},{"indexed":false,"internalType":"uint64","name":"start","type":"uint64"},{"indexed":false,"internalType":"uint64","name":"finish","type":"uint64"},{"indexed":false,"internalType":"uint8","name":"limit","type":"uint8"},{"indexed":false,"internalType":"uint64","name":"price","type":"uint64"},{"indexed":false,"internalType":"bool","name":"whitelist","type":"bool"},{"indexed":false,"internalType":"bytes32","name":"root","type":"bytes32"}],"name":"LogSaleCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"saleId","type":"uint256"},{"indexed":false,"internalType":"uint64","name":"start","type":"uint64"},{"indexed":false,"internalType":"uint64","name":"finish","type":"uint64"},{"indexed":false,"internalType":"uint8","name":"limit","type":"uint8"},{"indexed":false,"internalType":"uint64","name":"price","type":"uint64"},{"indexed":false,"internalType":"bool","name":"whitelist","type":"bool"},{"indexed":false,"internalType":"bytes32","name":"root","type":"bytes32"}],"name":"LogSaleEdited","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"newURI","type":"string"}],"name":"LogSetURI","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"indexed":false,"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"indexed":false,"internalType":"uint64","name":"_nonce","type":"uint64"},{"indexed":false,"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"MessageFailed","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"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"indexed":true,"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"indexed":true,"internalType":"address","name":"_toAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"_tokenId","type":"uint256"},{"indexed":false,"internalType":"uint64","name":"_nonce","type":"uint64"}],"name":"ReceiveFromChain","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_sender","type":"address"},{"indexed":true,"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"indexed":true,"internalType":"bytes","name":"_toAddress","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"_tokenId","type":"uint256"},{"indexed":false,"internalType":"uint64","name":"_nonce","type":"uint64"}],"name":"SendToChain","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"indexed":false,"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"SetTrustedRemote","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_MINT","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"_start","type":"uint64"},{"internalType":"uint64","name":"_finish","type":"uint64"},{"internalType":"uint8","name":"_limit","type":"uint8"},{"internalType":"uint64","name":"_price","type":"uint64"},{"internalType":"bool","name":"_whitelist","type":"bool"},{"internalType":"bytes32","name":"_root","type":"bytes32"}],"name":"addSale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_saleId","type":"uint256"},{"internalType":"uint64","name":"_start","type":"uint64"},{"internalType":"uint64","name":"_finish","type":"uint64"},{"internalType":"uint8","name":"_limit","type":"uint8"},{"internalType":"uint64","name":"_price","type":"uint64"},{"internalType":"bool","name":"_whitelist","type":"bool"},{"internalType":"bytes32","name":"_root","type":"bytes32"}],"name":"editSale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_toAddress","type":"bytes"},{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"bool","name":"_useZro","type":"bool"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"}],"name":"estimateSendFee","outputs":[{"internalType":"uint256","name":"nativeFee","type":"uint256"},{"internalType":"uint256","name":"zroFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"bytes","name":"","type":"bytes"},{"internalType":"uint64","name":"","type":"uint64"}],"name":"failedMessages","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"forceResumeReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"},{"internalType":"uint16","name":"_chainId","type":"uint16"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"_configType","type":"uint256"}],"name":"getConfig","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_saleId","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"getMintedAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_saleId","type":"uint256"}],"name":"getSale","outputs":[{"components":[{"internalType":"bytes32","name":"root","type":"bytes32"},{"internalType":"bool","name":"whitelist","type":"bool"},{"internalType":"uint64","name":"start","type":"uint64"},{"internalType":"uint64","name":"finish","type":"uint64"},{"internalType":"uint64","name":"price","type":"uint64"},{"internalType":"uint8","name":"limit","type":"uint8"}],"internalType":"struct DefimonsApartments.Sale","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSalesCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"hasStoredPayload","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_saleId","type":"uint256"}],"name":"isSaleActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"isTrustedRemote","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lzEndpoint","outputs":[{"internalType":"contract ILayerZeroEndpoint","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"uint64","name":"_nonce","type":"uint64"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"lzReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextToMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"uint64","name":"_nonce","type":"uint64"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"nonblockingLzReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_operator","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"uint64","name":"_nonce","type":"uint64"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"retryMessage","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"retryPayload","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_saleId","type":"uint256"},{"internalType":"address","name":"_user","type":"address"},{"internalType":"uint8","name":"_quantity","type":"uint8"},{"internalType":"bytes32[]","name":"_proof","type":"bytes32[]"}],"name":"saleMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_toAddress","type":"bytes"},{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"address payable","name":"_refundAddress","type":"address"},{"internalType":"address","name":"_zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"}],"name":"send","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"},{"internalType":"uint16","name":"_chainId","type":"uint16"},{"internalType":"uint256","name":"_configType","type":"uint256"},{"internalType":"bytes","name":"_config","type":"bytes"}],"name":"setConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"}],"name":"setReceiveVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"}],"name":"setSendVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"setTrustedRemote","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newURI","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"}],"name":"trustedRemoteLookup","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawEther","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60a06040526001600a553480156200001657600080fd5b5060405162004a5938038062004a59833981016040819052620000399162000279565b83838382828280806200004c3362000099565b6001600160a01b03166080525060039050620000698382620003bb565b506004620000788282620003bb565b5050505050506200008f81620000e960201b60201c565b50505050620004bc565b600080546001600160a01b038381166001600160a01b0319831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b620000f36200013e565b6009620001018282620003bb565b507f71cabd649e93e2aa1fae6b5fa734ff133e12a99dc1c56024d99ee03072ef47308160405162000133919062000487565b60405180910390a150565b6000546001600160a01b031633146200019d5760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015260640160405180910390fd5b565b634e487b7160e01b600052604160045260246000fd5b60005b83811015620001d2578181015183820152602001620001b8565b83811115620001e2576000848401525b50505050565b600082601f830112620001fa57600080fd5b81516001600160401b03808211156200021757620002176200019f565b604051601f8301601f19908116603f011681019082821181831017156200024257620002426200019f565b816040528381528660208588010111156200025c57600080fd5b6200026f846020830160208901620001b5565b9695505050505050565b600080600080608085870312156200029057600080fd5b84516001600160401b0380821115620002a857600080fd5b620002b688838901620001e8565b95506020870151915080821115620002cd57600080fd5b620002db88838901620001e8565b604088015190955091506001600160a01b0382168214620002fb57600080fd5b6060870151919350808211156200031157600080fd5b506200032087828801620001e8565b91505092959194509250565b600181811c908216806200034157607f821691505b6020821081036200036257634e487b7160e01b600052602260045260246000fd5b50919050565b601f821115620003b657600081815260208120601f850160051c81016020861015620003915750805b601f850160051c820191505b81811015620003b2578281556001016200039d565b5050505b505050565b81516001600160401b03811115620003d757620003d76200019f565b620003ef81620003e884546200032c565b8462000368565b602080601f8311600181146200042757600084156200040e5750858301515b600019600386901b1c1916600185901b178555620003b2565b600085815260208120601f198616915b82811015620004585788860151825594840194600190910190840162000437565b5085821015620004775787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b6020815260008251806020840152620004a8816040850160208701620001b5565b601f01601f19169190910160400192915050565b60805161453462000525600039600081816107230152818161094a01528181610bfc01528181610db301528181610e5601528181610fd601528181611168015281816117cd015281816118fa01528181611cb2015281816129d9015261303701526145346000f3fe60806040526004361061027c5760003560e01c806370a082311161014f578063c87b56dd116100c1578063eb8d72b71161007a578063eb8d72b714610898578063eed33cef146108b8578063f0292a03146108cb578063f2fde38b146108f4578063f5ecbdbc14610914578063f95d5e8b1461093457600080fd5b8063c87b56dd14610765578063cbed8b9c14610785578063d1deba1f146107a5578063d8f6d596146107b8578063dd8027db1461083a578063e985e9c51461084f57600080fd5b80638dc0acb5116101135780638dc0acb5146106a957806395d89b41146106c9578063a22cb465146106de578063aaff5f16146106fe578063b353aaa714610711578063b88d4fde1461074557600080fd5b806370a0823114610616578063715018a6146106365780637533d7881461064b5780637a3cdf681461066b5780638da5cb5b1461068b57600080fd5b8063285f1239116101f3578063522f6815116101ac578063522f6815146105005780635b8c41e6146105205780635d55159e1461057d5780636352211e146105c057806366ad5c8a146105e05780636be78f761461060057600080fd5b8063285f12391461042b5780632a205e3d1461044b5780633d8b38f61461048057806342842e0e146104a057806342d65a8d146104c057806344004cc1146104e057600080fd5b8063081812fc11610245578063081812fc1461033a578063095ea7b3146103725780630eaf6ea61461039257806310ddb137146103b2578063150b7a02146103d257806323b872dd1461040b57600080fd5b80621d35671461028157806301ffc9a7146102a357806302fe5305146102d857806306fdde03146102f857806307e0db171461031a575b600080fd5b34801561028d57600080fd5b506102a161029c3660046134ad565b610947565b005b3480156102af57600080fd5b506102c36102be36600461354b565b610ad7565b60405190151581526020015b60405180910390f35b3480156102e457600080fd5b506102a16102f3366004613568565b610afa565b34801561030457600080fd5b5061030d610b49565b6040516102cf9190613608565b34801561032657600080fd5b506102a161033536600461361b565b610bdb565b34801561034657600080fd5b5061035a610355366004613636565b610c5d565b6040516001600160a01b0390911681526020016102cf565b34801561037e57600080fd5b506102a161038d366004613664565b610c84565b34801561039e57600080fd5b506102c36103ad3660046136d8565b610d99565b3480156103be57600080fd5b506102a16103cd36600461361b565b610e35565b3480156103de57600080fd5b506103f26103ed36600461372a565b610e8d565b6040516001600160e01b031990911681526020016102cf565b34801561041757600080fd5b506102a1610426366004613789565b610eb8565b34801561043757600080fd5b506102c3610446366004613636565b610eea565b34801561045757600080fd5b5061046b6104663660046137d8565b610f97565b604080519283526020830191909152016102cf565b34801561048c57600080fd5b506102c361049b3660046136d8565b611062565b3480156104ac57600080fd5b506102a16104bb366004613789565b61112e565b3480156104cc57600080fd5b506102a16104db3660046136d8565b611149565b3480156104ec57600080fd5b506102a16104fb366004613789565b6111d8565b34801561050c57600080fd5b506102a161051b366004613664565b6111f4565b34801561052c57600080fd5b5061056f61053b36600461386a565b6002602090815260009384526040808520845180860184018051928152908401958401959095209452929052825290205481565b6040519081526020016102cf565b34801561058957600080fd5b5061056f6105983660046138cb565b6000918252600c602090815260408084206001600160a01b0393909316845291905290205490565b3480156105cc57600080fd5b5061035a6105db366004613636565b611232565b3480156105ec57600080fd5b506102a16105fb3660046134ad565b611292565b34801561060c57600080fd5b5061056f600a5481565b34801561062257600080fd5b5061056f6106313660046138fb565b6112f3565b34801561064257600080fd5b506102a1611379565b34801561065757600080fd5b5061030d61066636600461361b565b61138d565b34801561067757600080fd5b506102a1610686366004613929565b611427565b34801561069757600080fd5b506000546001600160a01b031661035a565b3480156106b557600080fd5b506102a16106c43660046139ab565b6115c6565b3480156106d557600080fd5b5061030d611798565b3480156106ea57600080fd5b506102a16106f9366004613a22565b6117a7565b6102a161070c366004613a50565b6117b6565b34801561071d57600080fd5b5061035a7f000000000000000000000000000000000000000000000000000000000000000081565b34801561075157600080fd5b506102a161076036600461372a565b611843565b34801561077157600080fd5b5061030d610780366004613636565b611875565b34801561079157600080fd5b506102a16107a0366004613ad0565b6118db565b6102a16107b3366004613b2d565b611937565b3480156107c457600080fd5b506107d86107d3366004613636565b611ad2565b6040516102cf9190600060c0820190508251825260208301511515602083015260408301516001600160401b038082166040850152806060860151166060850152806080860151166080850152505060ff60a08401511660a083015292915050565b34801561084657600080fd5b50600b5461056f565b34801561085b57600080fd5b506102c361086a366004613b9e565b6001600160a01b03918216600090815260086020908152604080832093909416825291909152205460ff1690565b3480156108a457600080fd5b506102a16108b33660046136d8565b611b92565b6102a16108c6366004613bcc565b611bf9565b3480156108d757600080fd5b506108e161251c81565b60405161ffff90911681526020016102cf565b34801561090057600080fd5b506102a161090f3660046138fb565b611c08565b34801561092057600080fd5b5061030d61092f366004613c71565b611c81565b6102a1610942366004613cbe565b611d32565b337f00000000000000000000000000000000000000000000000000000000000000006001600160a01b0316146109bc5760405162461bcd60e51b8152602060048201526015602482015274131e949958d95a5d995c8e8808595b991c1bda5b9d605a1b60448201526064015b60405180910390fd5b61ffff8416600090815260016020526040812080546109da90613d5d565b80601f0160208091040260200160405190810160405280929190818152602001828054610a0690613d5d565b8015610a535780601f10610a2857610100808354040283529160200191610a53565b820191906000526020600020905b815481529060010190602001808311610a3657829003601f168201915b5050505050905080518451148015610a78575080805190602001208480519060200120145b610ac45760405162461bcd60e51b815260206004820152601a60248201527f4c7a52656365697665723a20696e76616c696420736f7572636500000000000060448201526064016109b3565b610ad08585858561213b565b5050505050565b60006001600160e01b031982161580610af45750610af48261222c565b92915050565b610b0261226c565b6009610b0e8282613ddd565b507f71cabd649e93e2aa1fae6b5fa734ff133e12a99dc1c56024d99ee03072ef473081604051610b3e9190613608565b60405180910390a150565b606060038054610b5890613d5d565b80601f0160208091040260200160405190810160405280929190818152602001828054610b8490613d5d565b8015610bd15780601f10610ba657610100808354040283529160200191610bd1565b820191906000526020600020905b815481529060010190602001808311610bb457829003601f168201915b5050505050905090565b610be361226c565b6040516307e0db1760e01b815261ffff821660048201527f00000000000000000000000000000000000000000000000000000000000000006001600160a01b0316906307e0db17906024015b600060405180830381600087803b158015610c4957600080fd5b505af1158015610ad0573d6000803e3d6000fd5b6000610c68826122c6565b506000908152600760205260409020546001600160a01b031690565b6000610c8f82611232565b9050806001600160a01b0316836001600160a01b031603610cfc5760405162461bcd60e51b815260206004820152602160248201527f4552433732313a20617070726f76616c20746f2063757272656e74206f776e656044820152603960f91b60648201526084016109b3565b336001600160a01b0382161480610d185750610d18813361086a565b610d8a5760405162461bcd60e51b815260206004820152603d60248201527f4552433732313a20617070726f76652063616c6c6572206973206e6f7420746f60448201527f6b656e206f776e6572206f7220617070726f76656420666f7220616c6c00000060648201526084016109b3565b610d948383612325565b505050565b604051630757b75360e11b81526000906001600160a01b037f00000000000000000000000000000000000000000000000000000000000000001690630eaf6ea690610dec90879087908790600401613ec5565b602060405180830381865afa158015610e09573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610e2d9190613ee3565b949350505050565b610e3d61226c565b6040516310ddb13760e01b815261ffff821660048201527f00000000000000000000000000000000000000000000000000000000000000006001600160a01b0316906310ddb13790602401610c2f565b60006001600160a01b0385163014610ea757506000610e2d565b50630a85bd0160e11b949350505050565b610ec3335b82612393565b610edf5760405162461bcd60e51b81526004016109b390613f00565b610d94838383612411565b600080600b8381548110610f0057610f00613f4d565b60009182526020918290206040805160c0810182526002909302909101805483526001015460ff8082161515948401949094526001600160401b0361010082048116928401839052600160481b820481166060850152600160881b8204166080840152600160c81b900490921660a082015291504210801590610f90575080606001516001600160401b03164211155b9392505050565b60008060008686604051602001610faf929190613f63565b60408051601f198184030181529082905263040a7bb160e41b825291506001600160a01b037f000000000000000000000000000000000000000000000000000000000000000016906340a7bb1090611013908b90309086908b908b90600401613f85565b6040805180830381865afa15801561102f573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906110539190613fd9565b92509250509550959350505050565b61ffff83166000908152600160205260408120805482919061108390613d5d565b80601f01602080910402602001604051908101604052809291908181526020018280546110af90613d5d565b80156110fc5780601f106110d1576101008083540402835291602001916110fc565b820191906000526020600020905b8154815290600101906020018083116110df57829003601f168201915b505050505090508383604051611113929190613ffd565b60405180910390208180519060200120149150509392505050565b610d9483838360405180602001604052806000815250611843565b61115161226c565b6040516342d65a8d60e01b81526001600160a01b037f000000000000000000000000000000000000000000000000000000000000000016906342d65a8d906111a190869086908690600401613ec5565b600060405180830381600087803b1580156111bb57600080fd5b505af11580156111cf573d6000803e3d6000fd5b50505050505050565b6111e061226c565b610d946001600160a01b03841683836125bc565b6111fc61226c565b6040516001600160a01b0383169082156108fc029083906000818181858888f19350505050158015610d94573d6000803e3d6000fd5b6000818152600560205260408120546001600160a01b031680610af45760405162461bcd60e51b8152602060048201526018602482015277115490cdcc8c4e881a5b9d985b1a59081d1bdad95b88125160421b60448201526064016109b3565b3330146112e15760405162461bcd60e51b815260206004820181905260248201527f4c7a52656365697665723a2063616c6c6572206d757374206265204c7a41707060448201526064016109b3565b6112ed8484848461260e565b50505050565b60006001600160a01b03821661135d5760405162461bcd60e51b815260206004820152602960248201527f4552433732313a2061646472657373207a65726f206973206e6f7420612076616044820152683634b21037bbb732b960b91b60648201526084016109b3565b506001600160a01b031660009081526006602052604090205490565b61138161226c565b61138b60006126a9565b565b600160205260009081526040902080546113a690613d5d565b80601f01602080910402602001604051908101604052809291908181526020018280546113d290613d5d565b801561141f5780601f106113f45761010080835404028352916020019161141f565b820191906000526020600020905b81548152906001019060200180831161140257829003601f168201915b505050505081565b61142f61226c565b61143b868684846126f9565b600b5487106114605760405163a893e97760e01b8152600481018890526024016109b3565b6000600b888154811061147557611475613f4d565b90600052602060002090600202019050868160010160016101000a8154816001600160401b0302191690836001600160401b03160217905550858160010160096101000a8154816001600160401b0302191690836001600160401b03160217905550848160010160196101000a81548160ff021916908360ff160217905550838160010160116101000a8154816001600160401b0302191690836001600160401b03160217905550828160010160006101000a81548160ff021916908315150217905550818160000181905550877f8f0f4ae106b88a53b8b504f019da56323c3ed412f78bfb802c7190234418bcdd8888888888886040516115b4969594939291906001600160401b039687168152948616602086015260ff93909316604085015293166060830152911515608082015260a081019190915260c00190565b60405180910390a25050505050505050565b6115ce61226c565b6115da868684846126f9565b6040805160c081018252828152831515602082019081526001600160401b03898116938301938452888116606084019081528782166080850190815260ff8a811660a08701908152600b805460018082018355600083905289517f0175b7a638427703f0dbe7bb9bbf987a2551717b34e79f33b5b1008d1fa01db960029093029283015597517f0175b7a638427703f0dbe7bb9bbf987a2551717b34e79f33b5b1008d1fa01dba90910180549a5196519551935168ffffffffffffffffff19909b1691151568ffffffffffffffff00191691909117610100968816969096029590951778ffffffffffffffffffffffffffffffff0000000000000000001916600160481b9487169490940267ffffffffffffffff60881b191693909317600160881b91909516029390931760ff60c81b1916600160c81b96909316959095029190911790559154909161172c91614023565b604080516001600160401b038a81168252898116602083015260ff89168284015287166060820152851515608082015260a0810185905290517f0eb54f99ff1347f6bc16a41cc07672c766b6e2b9a5e1e3f19f9b9d5f1aa576a39181900360c00190a250505050505050565b606060048054610b5890613d5d565b6117b2338383612768565b5050565b60405163557faf8b60e11b81526001600160a01b037f0000000000000000000000000000000000000000000000000000000000000000169063aaff5f169061180a908890889088908890889060040161403a565b600060405180830381600087803b15801561182457600080fd5b505af1158015611838573d6000803e3d6000fd5b505050505050505050565b61184d3383612393565b6118695760405162461bcd60e51b81526004016109b390613f00565b6112ed84848484612836565b6060611880826122c6565b600061188a612869565b905060008151116118aa5760405180602001604052806000815250610f90565b806118b484612878565b6040516020016118c592919061406b565b6040516020818303038152906040529392505050565b6118e361226c565b6040516332fb62e760e21b81526001600160a01b037f0000000000000000000000000000000000000000000000000000000000000000169063cbed8b9c9061180a908890889088908890889060040161409a565b61ffff851660009081526002602052604080822090516119589087906140c8565b90815260408051602092819003830190206001600160401b038716600090815292529020549050806119cc5760405162461bcd60e51b815260206004820152601d60248201527f4c7a52656365697665723a206e6f2073746f726564206d65737361676500000060448201526064016109b3565b8083836040516119dd929190613ffd565b604051809103902014611a325760405162461bcd60e51b815260206004820152601b60248201527f4c7a52656365697665723a20696e76616c6964207061796c6f6164000000000060448201526064016109b3565b61ffff86166000908152600260205260408082209051611a539088906140c8565b90815260200160405180910390206000866001600160401b03166001600160401b0316815260200190815260200160002081905550611aca86868686868080601f01602080910402602001604051908101604052809392919081815260200183838082843760009201919091525061260e92505050565b505050505050565b6040805160c081018252600080825260208201819052918101829052606081018290526080810182905260a0810191909152600b8281548110611b1757611b17613f4d565b60009182526020918290206040805160c0810182526002909302909101805483526001015460ff8082161515948401949094526001600160401b036101008204811692840192909252600160481b810482166060840152600160881b81049091166080830152600160c81b900490911660a082015292915050565b611b9a61226c565b61ffff83166000908152600160205260409020611bb88284836140e4565b507ffa41487ad5d6728f0b19276fa1eddc16558578f5109fc39d2dc33c3230470dab838383604051611bec93929190613ec5565b60405180910390a1505050565b611aca33878787878787612978565b611c1061226c565b6001600160a01b038116611c755760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b60648201526084016109b3565b611c7e816126a9565b50565b604051633d7b2f6f60e21b815261ffff808616600483015284166024820152306044820152606481018290526060907f00000000000000000000000000000000000000000000000000000000000000006001600160a01b03169063f5ecbdbc90608401600060405180830381865afa158015611d01573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f19168201604052611d2991908101906141e8565b95945050505050565b600b548510611d575760405163a893e97760e01b8152600481018690526024016109b3565b8260ff16600003611d7b57604051630a5f366560e01b815260040160405180910390fd5b6000600b8681548110611d9057611d90613f4d565b60009182526020918290206040805160c0810182526002909302909101805483526001015460ff8082161515948401949094526001600160401b0361010082048116928401839052600160481b820481166060850152600160881b8204166080840152600160c81b900490921660a08201529150421080611e1d575080606001516001600160401b031642115b15611e65576040808201516060830151915163e298a8f760e01b8152600481018990526001600160401b039182166024820152911660448201524260648201526084016109b3565b806020015115611ee0576040516bffffffffffffffffffffffff19606087901b166020820152600090603401604051602081830303815290604052805190602001209050611eb98260000151858584612ac0565b611ede5786868585604051635d977ce760e11b81526004016109b3949392919061421c565b505b6080810151611ef29060ff8616614270565b6001600160401b03163414611f415760808101516040516311b66a1360e01b8152600481018890523460248201526001600160401b03909116604482015260ff851660648201526084016109b3565b6000868152600c602090815260408083206001600160a01b038916845290915281205460a0830151611f76919060ff16614023565b90508460ff16811015611fbd5760a082015160405163cc29b83760e01b8152600481018990526001600160a01b038816602482015260ff90911660448201526064016109b3565b600a54600081611fd061251c600161429f565b61ffff16611fde9190614023565b905080600003612001576040516335e6a0a160e11b815260040160405180910390fd5b6000612010828960ff16612b04565b60008b8152600c602090815260408083206001600160a01b038e1684529091528120805492935083929091906120479084906142bc565b9250508190555080600a600082825461206091906142bc565b90915550600090505b8181101561208c576120848a61207f83876142bc565b612b1a565b600101612069565b50886001600160a01b03168a7fdc331af4e71bb8ec56b1a0d719543254ff272f4f63e9ea61cea22c149f78ccb3836040516120c991815260200190565b60405180910390a38760ff1681101561212f57336108fc6120ed8360ff8c16614023565b87608001516001600160401b031661210591906142d4565b6040518115909202916000818181858888f1935050505015801561212d573d6000803e3d6000fd5b505b50505050505050505050565b604051633356ae4560e11b815230906366ad5c8a906121649087908790879087906004016142f3565b600060405180830381600087803b15801561217e57600080fd5b505af192505050801561218f575060015b6112ed578080519060200120600260008661ffff1661ffff168152602001908152602001600020846040516121c491906140c8565b9081526040805191829003602090810183206001600160401b0387166000908152915220919091557fe6f254030bcb01ffd20558175c13fcaed6d1520be7becee4c961b65f79243b0d9061221f9086908690869086906142f3565b60405180910390a16112ed565b60006001600160e01b031982166380ac58cd60e01b148061225d57506001600160e01b03198216635b5e139f60e01b145b80610af45750610af482612c5c565b6000546001600160a01b0316331461138b5760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016109b3565b6000818152600560205260409020546001600160a01b0316611c7e5760405162461bcd60e51b8152602060048201526018602482015277115490cdcc8c4e881a5b9d985b1a59081d1bdad95b88125160421b60448201526064016109b3565b600081815260076020526040902080546001600160a01b0319166001600160a01b038416908117909155819061235a82611232565b6001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b60008061239f83611232565b9050806001600160a01b0316846001600160a01b031614806123e657506001600160a01b0380821660009081526008602090815260408083209388168352929052205460ff165b80610e2d5750836001600160a01b03166123ff84610c5d565b6001600160a01b031614949350505050565b826001600160a01b031661242482611232565b6001600160a01b0316146124885760405162461bcd60e51b815260206004820152602560248201527f4552433732313a207472616e736665722066726f6d20696e636f72726563742060448201526437bbb732b960d91b60648201526084016109b3565b6001600160a01b0382166124ea5760405162461bcd60e51b8152602060048201526024808201527f4552433732313a207472616e7366657220746f20746865207a65726f206164646044820152637265737360e01b60648201526084016109b3565b600081815260076020908152604080832080546001600160a01b03191690556001600160a01b03861683526006909152812080546001929061252d908490614023565b90915550506001600160a01b038216600090815260066020526040812080546001929061255b9084906142bc565b909155505060008181526005602052604080822080546001600160a01b0319166001600160a01b0386811691821790925591518493918716917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4505050565b604080516001600160a01b038416602482015260448082018490528251808303909101815260649091019091526020810180516001600160e01b031663a9059cbb60e01b179052610d94908490612c91565b600080828060200190518101906126259190614331565b6014820151919350915061263a878284612d63565b806001600160a01b03168660405161265291906140c8565b604080519182900382208583526001600160401b03891660208401529161ffff8b16917f64e10c37f404d128982dce114f5d233c14c5c7f6d8db93099e3d99dacb9e27ba910160405180910390a450505050505050565b600080546001600160a01b038381166001600160a01b0319831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b826001600160401b0316846001600160401b0316111561273f576040516311e38b4b60e31b81526001600160401b038086166004830152841660248201526044016109b3565b81801561274a575080155b156112ed576040516337b62bc560e01b815260040160405180910390fd5b816001600160a01b0316836001600160a01b0316036127c95760405162461bcd60e51b815260206004820152601960248201527f4552433732313a20617070726f766520746f2063616c6c65720000000000000060448201526064016109b3565b6001600160a01b03838116600081815260086020908152604080832094871680845294825291829020805460ff191686151590811790915591519182527f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a3505050565b612841848484612411565b61284d84848484612d6d565b6112ed5760405162461bcd60e51b81526004016109b390614377565b606060098054610b5890613d5d565b60608160000361289f5750506040805180820190915260018152600360fc1b602082015290565b8160005b81156128c957806128b3816143c9565b91506128c29050600a836143f8565b91506128a3565b6000816001600160401b038111156128e3576128e36133cd565b6040519080825280601f01601f19166020018201604052801561290d576020820181803683370190505b5090505b8415610e2d57612922600183614023565b915061292f600a8661440c565b61293a9060306142bc565b60f81b81838151811061294f5761294f613f4d565b60200101906001600160f81b031916908160001a905350612971600a866143f8565b9450612911565b61298487878787612e6b565b60008585604051602001612999929190613f63565b60405160208183030381529060405290506129b78782868686612f32565b604051630f428ae960e31b815261ffff881660048201523060248201526000907f00000000000000000000000000000000000000000000000000000000000000006001600160a01b031690637a14574890604401602060405180830381865afa158015612a28573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190612a4c9190614420565b905086604051612a5c91906140c8565b604080519182900382208883526001600160401b03841660208401529161ffff8b16916001600160a01b038d16917f024797cc77ce15dc717112d54fb1df125fdfd8c81344fb046c5e074427ce1543910160405180910390a4505050505050505050565b6000611d2985838686808060200260200160405190810160405280939291908181526020018383602002808284376000920191909152509294939250506130a59050565b6000818310612b135781610f90565b5090919050565b6001600160a01b038216612b705760405162461bcd60e51b815260206004820181905260248201527f4552433732313a206d696e7420746f20746865207a65726f206164647265737360448201526064016109b3565b6000818152600560205260409020546001600160a01b031615612bd55760405162461bcd60e51b815260206004820152601c60248201527f4552433732313a20746f6b656e20616c7265616479206d696e7465640000000060448201526064016109b3565b6001600160a01b0382166000908152600660205260408120805460019290612bfe9084906142bc565b909155505060008181526005602052604080822080546001600160a01b0319166001600160a01b03861690811790915590518392907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a45050565b60006001600160e01b03198216636279b16960e11b1480610af457506301ffc9a760e01b6001600160e01b0319831614610af4565b6000612ce6826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c6564815250856001600160a01b03166130bb9092919063ffffffff16565b805190915015610d945780806020019051810190612d049190613ee3565b610d945760405162461bcd60e51b815260206004820152602a60248201527f5361666545524332303a204552433230206f7065726174696f6e20646964206e6044820152691bdd081cdd58d8d9595960b21b60648201526084016109b3565b610d9482826130ca565b60006001600160a01b0384163b15612e6357604051630a85bd0160e11b81526001600160a01b0385169063150b7a0290612db190339089908890889060040161443d565b6020604051808303816000875af1925050508015612dec575060408051601f3d908101601f19168201909252612de99181019061447a565b60015b612e49573d808015612e1a576040519150601f19603f3d011682016040523d82523d6000602084013e612e1f565b606091505b508051600003612e415760405162461bcd60e51b81526004016109b390614377565b805181602001fd5b6001600160e01b031916630a85bd0160e11b149050610e2d565b506001610e2d565b612e7433610ebd565b612ec05760405162461bcd60e51b815260206004820152601f60248201527f4f4e46543732313a206e6f74206f776e6572206e6f7220617070726f7665640060448201526064016109b3565b836001600160a01b0316612ed382611232565b6001600160a01b031614612f295760405162461bcd60e51b815260206004820152601860248201527f4f4e46543732313a20696e636f7272656374206f776e6572000000000000000060448201526064016109b3565b6112ed816130e4565b61ffff851660009081526001602052604081208054612f5090613d5d565b80601f0160208091040260200160405190810160405280929190818152602001828054612f7c90613d5d565b8015612fc95780601f10612f9e57610100808354040283529160200191612fc9565b820191906000526020600020905b815481529060010190602001808311612fac57829003601f168201915b5050505050905080516000036130215760405162461bcd60e51b815260206004820152601860248201527f4c7a53656e643a20217472757374656420736f757263652e000000000000000060448201526064016109b3565b60405162c5803160e81b81526001600160a01b037f0000000000000000000000000000000000000000000000000000000000000000169063c5803100903490613078908a9086908b908b908b908b90600401614497565b6000604051808303818588803b15801561309157600080fd5b505af115801561212d573d6000803e3d6000fd5b6000826130b2858461318e565b14949350505050565b6060610e2d84846000856131db565b6117b28282604051806020016040528060008152506132b6565b60006130ef82611232565b9050600082815260076020908152604080832080546001600160a01b03191690556001600160a01b038416835260069091528120805460019290613134908490614023565b909155505060008281526005602052604080822080546001600160a01b0319169055518391906001600160a01b038416907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908390a45050565b600081815b84518110156131d3576131bf828683815181106131b2576131b2613f4d565b60200260200101516132e9565b9150806131cb816143c9565b915050613193565b509392505050565b60608247101561323c5760405162461bcd60e51b815260206004820152602660248201527f416464726573733a20696e73756666696369656e742062616c616e636520666f6044820152651c8818d85b1b60d21b60648201526084016109b3565b600080866001600160a01b0316858760405161325891906140c8565b60006040518083038185875af1925050503d8060008114613295576040519150601f19603f3d011682016040523d82523d6000602084013e61329a565b606091505b50915091506132ab87838387613318565b979650505050505050565b6132c08383612b1a565b6132cd6000848484612d6d565b610d945760405162461bcd60e51b81526004016109b390614377565b6000818310613305576000828152602084905260409020610f90565b6000838152602083905260409020610f90565b60608315613387578251600003613380576001600160a01b0385163b6133805760405162461bcd60e51b815260206004820152601d60248201527f416464726573733a2063616c6c20746f206e6f6e2d636f6e747261637400000060448201526064016109b3565b5081610e2d565b610e2d838381511561339c5781518083602001fd5b8060405162461bcd60e51b81526004016109b39190613608565b803561ffff811681146133c857600080fd5b919050565b634e487b7160e01b600052604160045260246000fd5b604051601f8201601f191681016001600160401b038111828210171561340b5761340b6133cd565b604052919050565b60006001600160401b0382111561342c5761342c6133cd565b50601f01601f191660200190565b600061344d61344884613413565b6133e3565b905082815283838301111561346157600080fd5b828260208301376000602084830101529392505050565b600082601f83011261348957600080fd5b610f908383356020850161343a565b6001600160401b0381168114611c7e57600080fd5b600080600080608085870312156134c357600080fd5b6134cc856133b6565b935060208501356001600160401b03808211156134e857600080fd5b6134f488838901613478565b94506040870135915061350682613498565b9092506060860135908082111561351c57600080fd5b5061352987828801613478565b91505092959194509250565b6001600160e01b031981168114611c7e57600080fd5b60006020828403121561355d57600080fd5b8135610f9081613535565b60006020828403121561357a57600080fd5b81356001600160401b0381111561359057600080fd5b8201601f810184136135a157600080fd5b610e2d8482356020840161343a565b60005b838110156135cb5781810151838201526020016135b3565b838111156112ed5750506000910152565b600081518084526135f48160208601602086016135b0565b601f01601f19169290920160200192915050565b602081526000610f9060208301846135dc565b60006020828403121561362d57600080fd5b610f90826133b6565b60006020828403121561364857600080fd5b5035919050565b6001600160a01b0381168114611c7e57600080fd5b6000806040838503121561367757600080fd5b82356136828161364f565b946020939093013593505050565b60008083601f8401126136a257600080fd5b5081356001600160401b038111156136b957600080fd5b6020830191508360208285010111156136d157600080fd5b9250929050565b6000806000604084860312156136ed57600080fd5b6136f6846133b6565b925060208401356001600160401b0381111561371157600080fd5b61371d86828701613690565b9497909650939450505050565b6000806000806080858703121561374057600080fd5b843561374b8161364f565b9350602085013561375b8161364f565b92506040850135915060608501356001600160401b0381111561377d57600080fd5b61352987828801613478565b60008060006060848603121561379e57600080fd5b83356137a98161364f565b925060208401356137b98161364f565b929592945050506040919091013590565b8015158114611c7e57600080fd5b600080600080600060a086880312156137f057600080fd5b6137f9866133b6565b945060208601356001600160401b038082111561381557600080fd5b61382189838a01613478565b9550604088013594506060880135915061383a826137ca565b9092506080870135908082111561385057600080fd5b5061385d88828901613478565b9150509295509295909350565b60008060006060848603121561387f57600080fd5b613888846133b6565b925060208401356001600160401b038111156138a357600080fd5b6138af86828701613478565b92505060408401356138c081613498565b809150509250925092565b600080604083850312156138de57600080fd5b8235915060208301356138f08161364f565b809150509250929050565b60006020828403121561390d57600080fd5b8135610f908161364f565b803560ff811681146133c857600080fd5b600080600080600080600060e0888a03121561394457600080fd5b87359650602088013561395681613498565b9550604088013561396681613498565b945061397460608901613918565b9350608088013561398481613498565b925060a0880135613994816137ca565b8092505060c0880135905092959891949750929550565b60008060008060008060c087890312156139c457600080fd5b86356139cf81613498565b955060208701356139df81613498565b94506139ed60408801613918565b935060608701356139fd81613498565b92506080870135613a0d816137ca565b8092505060a087013590509295509295509295565b60008060408385031215613a3557600080fd5b8235613a408161364f565b915060208301356138f0816137ca565b600080600080600060608688031215613a6857600080fd5b613a71866133b6565b945060208601356001600160401b0380821115613a8d57600080fd5b613a9989838a01613690565b90965094506040880135915080821115613ab257600080fd5b50613abf88828901613690565b969995985093965092949392505050565b600080600080600060808688031215613ae857600080fd5b613af1866133b6565b9450613aff602087016133b6565b93506040860135925060608601356001600160401b03811115613b2157600080fd5b613abf88828901613690565b600080600080600060808688031215613b4557600080fd5b613b4e866133b6565b945060208601356001600160401b0380821115613b6a57600080fd5b613b7689838a01613478565b955060408801359150613b8882613498565b90935060608701359080821115613ab257600080fd5b60008060408385031215613bb157600080fd5b8235613bbc8161364f565b915060208301356138f08161364f565b60008060008060008060c08789031215613be557600080fd5b613bee876133b6565b955060208701356001600160401b0380821115613c0a57600080fd5b613c168a838b01613478565b96506040890135955060608901359150613c2f8261364f565b909350608088013590613c418261364f565b90925060a08801359080821115613c5757600080fd5b50613c6489828a01613478565b9150509295509295509295565b60008060008060808587031215613c8757600080fd5b613c90856133b6565b9350613c9e602086016133b6565b92506040850135613cae8161364f565b9396929550929360600135925050565b600080600080600060808688031215613cd657600080fd5b853594506020860135613ce88161364f565b9350613cf660408701613918565b925060608601356001600160401b0380821115613d1257600080fd5b818801915088601f830112613d2657600080fd5b813581811115613d3557600080fd5b8960208260051b8501011115613d4a57600080fd5b9699959850939650602001949392505050565b600181811c90821680613d7157607f821691505b602082108103613d9157634e487b7160e01b600052602260045260246000fd5b50919050565b601f821115610d9457600081815260208120601f850160051c81016020861015613dbe5750805b601f850160051c820191505b81811015611aca57828155600101613dca565b81516001600160401b03811115613df657613df66133cd565b613e0a81613e048454613d5d565b84613d97565b602080601f831160018114613e3f5760008415613e275750858301515b600019600386901b1c1916600185901b178555611aca565b600085815260208120601f198616915b82811015613e6e57888601518255948401946001909101908401613e4f565b5085821015613e8c5787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b81835281816020850137506000828201602090810191909152601f909101601f19169091010190565b61ffff84168152604060208201526000611d29604083018486613e9c565b600060208284031215613ef557600080fd5b8151610f90816137ca565b6020808252602d908201527f4552433732313a2063616c6c6572206973206e6f7420746f6b656e206f776e6560408201526c1c881bdc88185c1c1c9bdd9959609a1b606082015260800190565b634e487b7160e01b600052603260045260246000fd5b604081526000613f7660408301856135dc565b90508260208301529392505050565b61ffff861681526001600160a01b038516602082015260a060408201819052600090613fb3908301866135dc565b84151560608401528281036080840152613fcd81856135dc565b98975050505050505050565b60008060408385031215613fec57600080fd5b505080516020909101519092909150565b8183823760009101908152919050565b634e487b7160e01b600052601160045260246000fd5b6000828210156140355761403561400d565b500390565b61ffff86168152606060208201526000614058606083018688613e9c565b8281036040840152613fcd818587613e9c565b6000835161407d8184602088016135b0565b8351908301906140918183602088016135b0565b01949350505050565b600061ffff8088168352808716602084015250846040830152608060608301526132ab608083018486613e9c565b600082516140da8184602087016135b0565b9190910192915050565b6001600160401b038311156140fb576140fb6133cd565b61410f836141098354613d5d565b83613d97565b6000601f841160018114614143576000851561412b5750838201355b600019600387901b1c1916600186901b178355610ad0565b600083815260209020601f19861690835b828110156141745786850135825560209485019460019092019101614154565b50868210156141915760001960f88860031b161c19848701351681555b505060018560011b0183555050505050565b600082601f8301126141b457600080fd5b81516141c261344882613413565b8181528460208386010111156141d757600080fd5b610e2d8260208301602087016135b0565b6000602082840312156141fa57600080fd5b81516001600160401b0381111561421057600080fd5b610e2d848285016141a3565b8481526001600160a01b0384166020820152606060408201819052810182905260006001600160fb1b0383111561425257600080fd5b8260051b808560808501376000920160800191825250949350505050565b60006001600160401b03808316818516818304811182151516156142965761429661400d565b02949350505050565b600061ffff8083168185168083038211156140915761409161400d565b600082198211156142cf576142cf61400d565b500190565b60008160001904831182151516156142ee576142ee61400d565b500290565b61ffff8516815260806020820152600061431060808301866135dc565b6001600160401b038516604084015282810360608401526132ab81856135dc565b6000806040838503121561434457600080fd5b82516001600160401b0381111561435a57600080fd5b614366858286016141a3565b925050602083015190509250929050565b60208082526032908201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560408201527131b2b4bb32b91034b6b83632b6b2b73a32b960711b606082015260800190565b6000600182016143db576143db61400d565b5060010190565b634e487b7160e01b600052601260045260246000fd5b600082614407576144076143e2565b500490565b60008261441b5761441b6143e2565b500690565b60006020828403121561443257600080fd5b8151610f9081613498565b6001600160a01b0385811682528416602082015260408101839052608060608201819052600090614470908301846135dc565b9695505050505050565b60006020828403121561448c57600080fd5b8151610f9081613535565b61ffff8716815260c0602082015260006144b460c08301886135dc565b82810360408401526144c681886135dc565b6001600160a01b0387811660608601528616608085015283810360a085015290506144f181856135dc565b999850505050505050505056fea2646970667358221220233a5f543412728a5d34362626c5bab17acc6716a67ac557468d0ba01c16522564736f6c634300080f0033000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000093f54d755a063ce7bb9e6ac47eccc8e33411d70600000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000013446566696d6f6e732041706172746d656e74730000000000000000000000000000000000000000000000000000000000000000000000000000000000000000074d4f4e4c414e4400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002d68747470733a2f2f6170692e646566696d6f6e732e636f6d2f6d657461646174612f61706172746d656e74732f00000000000000000000000000000000000000

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : _name (string): Defimons Apartments
Arg [1] : _symbol (string): MONLAND
Arg [2] : _lzEndpoint (address): 0x93f54D755A063cE7bB9e6Ac47Eccc8e33411d706
Arg [3] : _initialURI (string): https://api.defimons.com/metadata/apartments/

-----Encoded View---------------
11 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 00000000000000000000000093f54d755a063ce7bb9e6ac47eccc8e33411d706
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000013
Arg [5] : 446566696d6f6e732041706172746d656e747300000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [7] : 4d4f4e4c414e4400000000000000000000000000000000000000000000000000
Arg [8] : 000000000000000000000000000000000000000000000000000000000000002d
Arg [9] : 68747470733a2f2f6170692e646566696d6f6e732e636f6d2f6d657461646174
Arg [10] : 612f61706172746d656e74732f00000000000000000000000000000000000000


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.