Contract 0xbDCbd7B7C07091D8f8FfDD2bdF99019058f82346 3

 
Txn Hash
Method
Block
From
To
Value
0xd416bf85f0993d0a5ed45337a64ca216b0eb7576d30656272dbc29be43143945Set Approval For...153420452022-08-14 21:12:592 days 10 hrs ago0x1bf837412e47b6b13f000eeb0d6100b770040dc1 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00082345 17.‍84910796
0x3fd409c5e4cb3afaf056380ec7bc4c607b6cb9be545739186c14bfea2d0267b0Set Approval For...152969992022-08-07 19:07:149 days 12 hrs ago0x72a8d582db0c8620a55036115835b0166fcb4688 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00062544 13.‍55709603
0xf817dc09492ec3c74539b0e95b6d6c3d445e44e662455a41b7d466b4a7ef9ce1Set Approval For...152758602022-08-04 12:22:2512 days 19 hrs agoENS Name rostad.eth IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00044563 9.‍65968019
0x3ba40a6dcf9602ee67e1efeacbc7db5f32f9593ec0d664d4a0bcf0ff9c498b97Transfer From152398032022-07-29 21:28:2818 days 10 hrs ago0x946455f864c54610e3e7ba2bdd690c13275db61f IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00075275 8.‍8015657
0x9311fc6c5a3db46a642ba214031cbfd0388e31bbbc61f51b31c60519e3654ba1Transfer From152395122022-07-29 20:23:4318 days 11 hrs agoENS Name tsugetsu.eth IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00136922 16.‍00960232
0xc25f8b88f0eec80367f738ac42a2072027c34af7f88d872fb3d303ed8c760c64Transfer From152383722022-07-29 16:11:0018 days 15 hrs ago0xb751d6e13ca4652072c5463ce2d60cf27b976248 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00367362 37.‍2551739
0x29d48f1e98d4d74efb29b612b1ce0a7ebfed0c6bd60370180b4b1ce8f662a335Set Approval For...151932812022-07-22 15:48:2025 days 15 hrs ago0x3bc566525b4016e84e63211d590bfbf65c23212e IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00119253 25.‍84944919
0xfc8ed2c43f0f3e11a3c61d9a28512c84bfc8639528ec58f479cd461f9549e3fcSet Approval For...151915682022-07-22 9:32:2425 days 22 hrs agoENS Name topshots.eth IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00028959 6.‍2657558
0xd2522c1b04c59cb94fe4c71da362bdac85dce0289d06fe7907d674b672b0fe25Set Approval For...151908242022-07-22 6:40:0326 days 56 mins agoENS Name topshots.eth IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00045646 9.‍87626958
0x09be3155c2dc3b592f165b3860cb2189bdcda8bbcfa7b1ee3c2cfcd5d0f1428cSet Approval For...151654442022-07-18 8:02:4329 days 23 hrs agoENS Name topshots.eth IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00092171 19.‍97914216
0xfcb24f41b711a0d5d2a1981014262d12146ca8654b34c62f4b75255408ebb9d1Set Approval For...151534572022-07-16 11:25:3731 days 20 hrs ago0x9062a96b9e947b2b57283e705c97b871f5eb6561 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00033571 7.‍27685131
0xfbad78c33bef1e620b05cd3d589ac6957b8e66ab3d9cfa5df0d4bb0159d2cacfTransfer From151395632022-07-14 8:15:5533 days 23 hrs ago0xa75fb372079eaa8050fae01ee05b6166c1d4aca0 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00223939 25.‍35401159
0xe5b182b8d0d8769ee1b84fbfd0ad461836c3a26289b00a7f6c40b784494ceaa0Set Approval For...151306952022-07-12 22:56:3035 days 8 hrs ago0x92a439ba6ae0fc7fe596a2ca0677515e657b8b88 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍0007186 15.‍54809579
0xfd978087dd280293838f85bc97ec4992087d3053d815ff812051d332677ca468Transfer From151089282022-07-09 14:29:1238 days 17 hrs ago0xf1be63031668e26dc2112bc7208ba49d6c4df564 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00119606 12.‍12962831
0x186bf5aedae0447c1c5d6dc3796776c9b2f5a43df720d958c364f5ac95000defSet Approval For...151024332022-07-08 14:28:3039 days 17 hrs agoENS Name tsugetsu.eth IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍0012538 27.‍17756603
0xb648b0fde93ae8c72adc26eb8e4ad6694634eba252de2d796546454191cc9acbSet Approval For...151012782022-07-08 10:08:2939 days 21 hrs ago0xde5badaef68b36a98cbf30a5d6baf3766101ed52 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00050766 11.‍00424207
0x288c74c0311d46d602cd7b5047eb6ac8cc6a2d048e7e9dbdd5001b98339eb62eSet Approval For...150486532022-06-30 4:48:4548 days 2 hrs ago0xb5639414e0c59eeb36b098278fd9b6b3d371a92e IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00084581 32.‍13815662
0xb2feec775b9336d25a0c3a7ca33cb9eeb8efdea99b331d709e2f75814d48110bSet Approval For...150486512022-06-30 4:47:2148 days 2 hrs ago0xb5639414e0c59eeb36b098278fd9b6b3d371a92e IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00069608 26.‍44886458
0x9505c0189895d24fa7b2a72535576c4ed38946d6d7a8612c0b9259ef8b559624Set Approval For...150486402022-06-30 4:44:2648 days 2 hrs ago0xb5639414e0c59eeb36b098278fd9b6b3d371a92e IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00095031 20.‍56151334
0x23231f46993aa5f99fc26535bee6a60b5357d3597887e1c1bbabc2a3f1bbb1b1Set Approval For...150352492022-06-27 16:27:4550 days 15 hrs ago0x703e09747245856b9df4e90da6b4bb364dd81499 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00493104 106.‍88536621
0xeb34ced17e622776da9bb2bfc8e98e5cb27e9d7ab44a3ea0c90024a0d1b156f5Set Approval For...150276762022-06-26 6:32:3952 days 1 hr ago0x934bdec756d889b94b8ef606afe86e2871363dfb IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍0011675 25.‍30684222
0x566fcda283cf9ae0cd09f6e7b831f5c03e917331ec2cd5264bde85310b3edf5dSet Approval For...150151952022-06-23 22:33:2454 days 9 hrs ago0xf0576184ef0d670eec7205b1e36667b68c7b9eef IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍0020347 44.‍10432912
0x74f6ec79b51c5b8fc187aab6cedfa25635d0e2c1374f6826231f6deef3fef35dSet Approval For...150114122022-06-23 5:32:0655 days 2 hrs ago0xb5639414e0c59eeb36b098278fd9b6b3d371a92e IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00084999 18.‍42440914
0x82a2af9fadf0bef6eac320e69b1cfe6d870f8ba51d5291b885c5ffe8f1f1c15aSet Approval For...150099592022-06-22 22:56:2955 days 8 hrs ago0x81fab1dfb594e5af67ae7846dd3b704745a416a5 IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00120616 26.‍14474358
0x1c044170417b556278e05d0188aa3c1850313e72b00b25f05771b70884d65b03Set Approval For...150085252022-06-22 16:33:4455 days 15 hrs ago0xc4154b854249ae979a48511a1779f40847884ada IN  0xbdcbd7b7c07091d8f8ffdd2bdf99019058f823460 Ether0.‍00314834 68.‍2435832
[ Download CSV Export 
View more zero value Internal Transactions in Advanced View mode
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
CryptoCities

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 100000 runs

Other Settings:
default evmVersion
File 1 of 15 : CryptoCities.sol
//      ___                     _            ___  _  _    _            
//     / __\_ __  _   _  _ __  | |_  ___    / __\(_)| |_ (_)  ___  ___ 
//    / /  | '__|| | | || '_ \ | __|/ _ \  / /   | || __|| | / _ \/ __|
//   / /___| |   | |_| || |_) || |_| (_) |/ /___ | || |_ | ||  __/\__ \
//   \____/|_|    \__, || .__/  \__|\___/ \____/ |_| \__||_| \___||___/
//                |___/ |_|                                            
//
// CryptoCities is an ERC721 compliant smart contract for this project:
// (https://cryptocities.net)  
//
// In addition to a standard ERC721 interface it also includes:
//  - a maker / taker off-chain marketplace which executes final trades here
//  - batch functions for most token read functions
//  - a limited supply of 25000 tokens
// 
//  Discord:
//   https://discord.gg/Y4mhwWg 
//
//  Bug Bounty:
//   Please see the details of our bug bounty program below.  
//   https://cryptocities.net/bug_bounty
//
//  Disclaimer:
//   We take the greatest of care when making our smart contracts but this is crypto and the future 
//   is always unknown. Even if it is exciting and full of wonderful possibilities, anything can happen,  
//   blockchains will evolve, vulnerabilities can arise, and markets can go up and down. CryptoCities and its  
//   owners accept no liability for any issues relating to the use of this contract or any losses that may occur. 
//   Please see our full terms here: 
//   https://cryptocities.net/terms


// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;
import "./base/ERC721Batchable.sol";

contract CryptoCities is ERC721Batchable 
{
    // there can only ever be a max of this many tokens in the contract
    uint public constant tokenLimit = 25000;

    // the base url used for all meta data 
    // likely to be stored on IPFS over time   
    string private _baseTokenURI;

    // the opensea proxy registry contract (can be changed if this registry ever moves to a new contract)
    // 0xa5409ec958C83C3f309868babACA7c86DCB077c1  mainnet
    // 0xF57B2c51dED3A29e6891aba85459d600256Cf317  rinkeby
    // 0x0000000000000000000000000000000000000000  local
    address private _proxyRegistryAddress;

    // only authorized minters can mint tokens
    // this will originally be set to a swapping contract to allow users to swap their tokens to this new contract 
    mapping (address => bool) public isMinter;    

    // pausing the market disables the built-in maker/taker offer system 
    // it does not affect normal ERC721 transfers 
    bool public marketPaused;

    // the marketplace fee for any internal paid trades (stored in basis points eg. 250 = 2.5% fee) 
    uint16 public marketFee;

    // the marketplace witness is used to validate marketplace offers 
    address private _marketWitness;

    // offer that can no longer be used any more
    mapping (bytes32 => bool) private _cancelledOrCompletedOffers;

    // support for ERC2981
    uint16 private _royaltyFee;
    address private _royaltyReciever;

    constructor(address _owner, address _recovery, address proxyRegistryAddress) ERC721("CryptoCities", unicode"⬢City")    
    {
        // set the owner, recovery & treasury addresses
        transferOwnership(_owner);
        treasury = _owner;
        recovery = _recovery;

        // set the meta base url
        _baseTokenURI = "https://cryptocities.net/meta/";

        // set the open sea proxy registry address
        _proxyRegistryAddress = proxyRegistryAddress;

        // market starts disabled
        marketPaused = true;       
        marketFee = 250;    
    }


    /// BASE URI

    // base uri is where the metadata lives
    // only the owner can change this

    function setBaseURI(string memory baseTokenURI) external onlyOwner {
        _baseTokenURI = baseTokenURI;
    }
    function _baseURI() internal view virtual override returns (string memory) {
        return _baseTokenURI;
    }
    function contractURI() public pure returns (string memory) {
        return "https://cryptocities.net/meta/cities_contract";
    }

    /// PROXY REGISTRY

    // registers a proxy address for OpenSea or others
    // can only be changed by the contract owner
    // setting address to 0 will disable the proxy 

    function setProxyRegistry(address proxyRegistry) external onlyOwner { 

        // check the contract address is correct (will revert if not)
        if(proxyRegistry!= address(0)) {
            ProxyRegistry(proxyRegistry).proxies(address(0));
        }

        _proxyRegistryAddress = proxyRegistry;    
    }

    // this override allows us to whitelist user's OpenSea proxy accounts to enable gas-less listings
    function isApprovedForAll(address token_owner, address operator) public view override returns (bool)
    {
        // whitelist OpenSea proxy contract for easy trading.
        if(_proxyRegistryAddress!= address(0)) {
            ProxyRegistry proxyRegistry = ProxyRegistry(_proxyRegistryAddress);
            if (address(proxyRegistry.proxies(token_owner)) == operator) {
                return true;
            }
        }

        return super.isApprovedForAll(token_owner, operator);
    }


    /// MINTING

    // only authorized minters can mint
    // can't mint more tokens than the token limit
    
    // ERC721 standard checks:
    // can't mint while the contract is paused (checked in _beforeTokenTransfer())
    // token id's can't already exist 
    // cant mint to address(0)
    // if 'to' refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.

    // emitted when a minter's authorization changes
    event MinterSet(address indexed minter, bool auth);

    // only allows an authorized minter to call the function
    modifier onlyMinters() 
    {
        require(isMinter[_msgSender()]==true, "caller not a minter");
        _;
    }

    // changes a minter's authorization
    function setMinter(address minter, bool authorized) external onlyOwner 
    { 
        isMinter[minter] = authorized;        
        emit MinterSet(minter, authorized);        
    }

    // mint a single token
    function mint(address to, uint256 tokenId) external onlyMinters  
    {        
        require(totalSupply()<tokenLimit, "token limit reached");
        _safeMint(to, tokenId);
    }

    // mint a batch of tokens
    // (gas: this function can run out of gas if too many id's are provided
    //       limiting to 25 will currently fit in the block gas limit but this may change in future)
    function mintBatch(address to, uint256[] memory tokenIds) external onlyMinters     
    {       
        require(tokenIds.length <= 25, "more than 25 ids");
        require(totalSupply()+tokenIds.length <= tokenLimit, "batch exceeds token limit");

        for (uint256 i = 0; i < tokenIds.length; i++) {  
            // we safe mint the first token          
            if(i==0) _safeMint(to, tokenIds[i]);

            // then we assume the rest are safe because they are going to the same receiver  
            else _mint(to, tokenIds[i]);      
        }         
    }

    /// BURNING

    // only the contract owner can burn tokens it owns
    // the contract owner can't burn someone elses tokens
    // normal users can't burn tokens

    // ERC721 standard checks:
    // can't burn while the contract is paused (checked in _beforeTokenTransfer())
    // the token id must exist

    function burn(uint256 tokenId) external onlyOwner 
    {
         require(ownerOf(tokenId) == owner(), "token owner not contract owner");
        _burn(tokenId);
    }


    /// MARKETPLACE

    // this contract includes a maker / taker offerplace
    // (similar to those seen in OpenSea, 0x Protocol and other NFT projects) 
    //
    // offers are made by makers off-chain and filled by callers on-chain
    // makers do this by signing their offer with their wallet 
    // smart contracts can't be makers because they can't sign messages
    // if a witness address is set then it must sign the offer hash too (eg. the website marketplace)

    // there are two types of offers depending on whether the maker specifies a taker in their offer:
    // maker / taker       (peer-to-peer offer:  two users agreeing to trade items)
    // maker / no taker    (open offer:  one user listing their items in the marketplace)

    // if eth is paid then it will always be on the taker side (the maker never pays eth in this simplified model)
    // a market fee is charged if eth is paid
    // trading tokens with no eth is free and no fee is deducted

    // allowed exchanges:

    //   maker tokens  > <  eth                          (maker sells their tokens to anyone)
    //   maker tokens  >                                 (maker gives their tokens away to anyone)

    //   maker tokens  >    taker                        (maker gives their tokens to a specific taker)
    //   maker tokens  > <  taker tokens                     .. for specific tokens back
    //   maker tokens  > <  taker tokens & eth               .. for specific tokens and eth back 
    //   maker tokens  > <  taker eth                        .. for eth only

    //   maker           <  taker tokens                 (taker gives their tokens to the maker)
    //   maker           <  taker tokens & eth               .. and with eth    

    event OfferAccepted(bytes32 indexed hash, address indexed maker, address indexed taker, uint[] makerIds, uint[] takerIds, uint takerWei, uint marketFee);    
    event OfferCancelled(bytes32 indexed hash);
    
    struct Offer {
        address maker;
        address taker;
        uint256[] makerIds;        
        uint256[] takerIds;
        uint256 takerWei;
        uint256 expiry;
        uint256 nonce;
    }

    // pausing the market will stop offers from being able to be accepted (they can still be generated or cancelled)
    function pauseMarket(bool pauseTrading) external onlyOwner {
        marketPaused = pauseTrading;
    }

    // the market fee is set in basis points (eg. 250 basis points = 2.5%)
    function setMarketFee(uint16 basisPoints) external onlyOwner {
        require(basisPoints <= 10000);
        marketFee = basisPoints;
    }

    // if a market witness is set then it will need to sign all offers too (set to 0 to disable)
    function setMarketWitness(address newWitness) external onlyOwner {
        _marketWitness = newWitness;
    }

    // recovers the signer address from a offer hash and signature
    function signerOfHash(bytes32 offer_hash, bytes memory signature) public pure returns (address signer){
        require(signature.length == 65, "sig wrong length");

        bytes32 geth_modified_hash = keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", offer_hash));
        bytes32 r;
        bytes32 s;
        uint8 v;

        assembly {
            r := mload(add(signature, 32))
            s := mload(add(signature, 64))
            v := byte(0, mload(add(signature, 96)))
        }

        if (v < 27) {
            v += 27;
        }

        require(v == 27 || v == 28, "bad sig v");

        return ecrecover(geth_modified_hash, v, r, s);
    }
 

    // this generates a hash of an offer that can then be signed by a maker
    // the offer has to have basic validity before it can be hashed
    // if checking ids then the tokens need to be owned by the parties too 
    function hashOffer(Offer memory offer, bool checkIds) public view returns (bytes32){

        // the maker can't be 0
        require(offer.maker!=address(0), "maker is 0");

        // maker and taker can't be the same
        require(offer.maker!=offer.taker, "same maker / taker");

        // the offer must not be expired yet
        require(block.timestamp < offer.expiry, "expired");

        // token id must be in the offer
        require(offer.makerIds.length>0 || offer.takerIds.length>0, "no ids");

        // if checking ids then maker must own the maker token ids
        if(checkIds){
            for(uint i=0; i<offer.makerIds.length; i++){
                require(ownerOf(offer.makerIds[i])==offer.maker, "bad maker ids");
            }
        }

        // if no taker has been specified (open offer - i.e. typical marketplace listing)
        if(offer.taker==address(0)){

            // then there can't be taker token ids in the offer
            require(offer.takerIds.length==0, "taker ids with no taker");
        }

        // if a taker has been specified (peer-to-peer offer - i.e. direct trade between two users)
        else{

            if(checkIds){
                // then the taker must own all the taker token ids   
                for(uint i=0; i<offer.takerIds.length; i++){
                    require(ownerOf(offer.takerIds[i])==offer.taker, "bad taker ids");
                }
            }
        }

        // now return the hash
        return keccak256(abi.encode(
            offer.maker,
            offer.taker,
            keccak256(abi.encodePacked(offer.makerIds)),            
            keccak256(abi.encodePacked(offer.takerIds)),
            offer.takerWei,
            offer.expiry,
            offer.nonce,
            address(this)        // including the contract address prevents cross-contract replays  
        ));
    }

    // an offer is valid if:
    //  it's maker / taker details are valid 
    //  it has been signed by the maker
    //  it has not been cancelled or completed yet
    //  the parties own their tokens (if checking ids)
    //  the witness has signed it (if witnessing is enabled)
    //  the trade is valid (if requested)
    function validOffer(Offer memory offer, bytes memory signature, bytes memory witnessSignature, bool checkIds, bool checkTradeValid, uint checkValue) external view returns (bool){

        // will revert if the offer or signer is not valid or checks fail
        bytes32 _offer_hash = _getValidOfferHash(offer, signature, checkIds, checkTradeValid, checkValue);

        // check the witness if needed
        _validWitness(_offer_hash, witnessSignature);

        return true;
    }

    // if a market witness is set then they need to sign the offer hash too
    function _validWitness(bytes32 _offer_hash, bytes memory witnessSignature) internal view {
        if(_marketWitness!=address(0)){       
            require(_marketWitness == signerOfHash(_offer_hash, witnessSignature), "wrong witness");  
        }
    }

    // gets the hash of an offer and checks that it has been signed by the maker
    function _getValidOfferHash(Offer memory offer, bytes memory signature, bool checkIds, bool checkTradeValid, uint checkValue) internal view returns (bytes32){

        // get the offer signer 
        bytes32 _offer_hash = hashOffer(offer, checkIds);
        address _signer = signerOfHash(_offer_hash, signature);
        
        // the signer must be the maker
        require(offer.maker==_signer, "maker not signer");
        
        // the offer can't be cancelled or completed already
        require(_cancelledOrCompletedOffers[_offer_hash]!=true, "offer cancelled or completed");

        // if checking the trade then we need to check the taker side too
        if(checkTradeValid){

            address caller = _msgSender();

            // no trading when paused
            require(!marketPaused, "marketplace paused");

            // caller can't be the maker
            require(caller!=offer.maker, "caller is the maker");

            // if there is a taker specified then they must be the caller
            require(caller==offer.taker || offer.taker==address(0), "caller not the taker");

            // check the correct wei has been provided by the taker (can be 0)
            require(checkValue==offer.takerWei, "wrong payment sent");
        }

        return _offer_hash;
    }
      
    
    // (gas: these functions can run out of gas if too many id's are provided
    //       not limiting them here because block gas limits change over time and we don't know what they will be in future)

    // stops the offer hash from being usable in future
    // can only be cancelled by the maker or the contract owner    
    function cancelOffer(Offer memory offer) external {
        address caller = _msgSender();
        require(caller == offer.maker || caller == owner(), "caller not maker or contract owner");

        // get the offer hash 
        bytes32 _offer_hash = hashOffer(offer, false);
                
        // set the offer hash as cancelled
        _cancelledOrCompletedOffers[_offer_hash]=true;
    
        emit OfferCancelled(_offer_hash);       
    }

    // fills an offer
    
    // offers can't be traded when the market is paused or the contract is paused
    // offers must be valid and signed by the maker 
    // the caller has to be the taker or can be an unknown party if no taker is set
    // eth may or may not be required by the offer
    // tokens must belong to the makers and takers

    function acceptOffer(Offer memory offer, bytes memory signature, bytes memory witnessSignature) external payable reentrancyGuard {
        
        // CHECKS
        
        // will revert if the offer or signer is not valid 
        // will also check token ids to make sure they belong to the parties
        // will check the caller and eth matches the offer taker details 
        bytes32 _offer_hash = _getValidOfferHash(offer, signature, true, true, msg.value);
       
        // check the witness if needed
        _validWitness(_offer_hash, witnessSignature);
       
        // EFFECTS

        address caller = _msgSender();

        // transfer the maker tokens to the caller
        for(uint i=0; i<offer.makerIds.length; i++){
             _safeTransfer(offer.maker, caller, offer.makerIds[i], "");
        }

        // transfer the taker tokens to the maker 
        for(uint i=0; i<offer.takerIds.length; i++){
             _safeTransfer(caller, offer.maker, offer.takerIds[i], "");
        }

        // set the offer has as completed (stops the offer from being reused)
        _cancelledOrCompletedOffers[_offer_hash]=true;

        // INTERACTIONS

        // transfer the payment if one is present
        uint _fee = 0;
        if(msg.value>0){

            // calculate the marketplace fee (stored as basis points)
            // eg. 250 basis points is 2.5%  (250/10000) 
            _fee = msg.value * marketFee / 10000;
            uint _earned = msg.value - _fee;

            // safety check (should never be hit)
            assert(_fee>=0 && _earned>=0 && _earned<= msg.value && _fee+_earned==msg.value);
            
            // send the payment to the maker
            //   security note: calls to a maker should only revert if insufficient gas is sent by the caller/taker
            //   makers can't be smart contracts because makers need to sign the offer hash for us
            //    - currently only EOA's (externally owned accounts) can sign a message on the ethereum network
            //    - smart contracts don't have a private key and can't sign a message, so they can't be makers here
            //    - offers for specific makers can be blacklisted in the marketplace if required

            (bool success, ) = offer.maker.call{value:_earned}("");    
            require(success, "payment to maker failed");            
        }

        emit OfferAccepted(_offer_hash, offer.maker, caller, offer.makerIds, offer.takerIds, offer.takerWei, _fee);
    }  
    

    /// ERC2981 support

    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == 0x2a55205a  // ERC2981
               || super.supportsInterface(interfaceId);
    }

    function royaltyInfo(uint256, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount)
    {
        return (_royaltyReciever, (salePrice * _royaltyFee) / 10000);
    }

    // the royalties fee is set in basis points (eg. 250 basis points = 2.5%)
    function setRoyalties(address newReceiver, uint16 basisPoints) external onlyOwner {
        require(basisPoints <= 10000);
        _royaltyReciever = newReceiver;
        _royaltyFee = basisPoints;
    }
}

// used to whitelist proxy accounts of OpenSea users so that they are automatically able to trade any item on OpenSea
contract OwnableDelegateProxy {}
contract ProxyRegistry {
    mapping(address => OwnableDelegateProxy) public proxies;
}

File 2 of 15 : ERC721Batchable.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "../base/OwnableRecoverable.sol";

// ERC721Batchable wraps multiple commonly used base contracts into a single contract
// 
// it includes:
//  ERC721 with Enumerable
//  contract ownership & recovery
//  contract pausing
//  treasury 
//  batching

abstract contract ERC721Batchable is ERC721Enumerable, Pausable, OwnableRecoverable 
{   
    // the treasure address that can make withdrawals from the contract balance
    address public treasury;

    constructor()  
    {
       
    }

    // used to stop a contract function from being reentrant-called 
    bool private _reentrancyLock = false;
    modifier reentrancyGuard {
        require(!_reentrancyLock, "ReentrancyGuard: reentrant call");
 
        _reentrancyLock = true;
        _;
        _reentrancyLock = false;
    }


    /// PAUSING

    // only the contract owner can pause and unpause
    // can't pause if already paused
    // can't unpause if already unpaused
    // disables minting, burning, transfers (including marketplace accepted offers)

    function pause() external virtual onlyOwner {        
        _pause();        
    }
    function unpause() external virtual onlyOwner {
        _unpause();
    }

    // this hook is called by _mint, _burn & _transfer 
    // it allows us to block these actions while the contract is paused
    // also prevent transfers to the contract address
    function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override {
        require(to != address(this), "cant transfer to the contract address");
        
        super._beforeTokenTransfer(from, to, tokenId);

        require(!paused(), "token transfer while contract paused");
    }


    /// TREASURY

    // can only be called by the contract owner
    // withdrawals can only be made to the treasury account

    // allows for a dedicated address to be used for withdrawals
    function setTreasury(address newTreasury) external onlyOwner { 
        require(newTreasury!=address(0), "cant be 0 address");
        treasury = newTreasury;
    }

    // funds can be withdrawn to the treasury account for safe keeping
    function treasuryOut(uint amount) external onlyOwner reentrancyGuard {
        
        // can withdraw any amount up to the account balance (0 will withdraw everything)
        uint balance = address(this).balance;
        if(amount == 0 || amount > balance) amount = balance;

        // make the withdrawal
        (bool success, ) = treasury.call{value:amount}("");
        require(success, "transfer failed");
    }
    
    // the owner can pay funds in at any time although this is not needed
    // perhaps the contract needs to hold a certain balance in future for some external requirement
    function treasuryIn() external payable onlyOwner {

    }


    /// BATCHING

    // all normal ERC721 read functions can be batched
    // this allows for any user or app to look up all their tokens in a single call or via paging

    function tokenByIndexBatch(uint256[] memory indexes) public view virtual returns (uint256[] memory) {
        uint256[] memory batch = new uint256[](indexes.length);

        for (uint256 i = 0; i < indexes.length; i++) {
            batch[i] = tokenByIndex(indexes[i]);
        }

        return batch; 
    }

    function balanceOfBatch(address[] memory owners) external view virtual returns (uint256[] memory) {
        uint256[] memory batch = new uint256[](owners.length);

        for (uint256 i = 0; i < owners.length; i++) {
            batch[i] = balanceOf(owners[i]);
        }

        return batch;        
    }

    function ownerOfBatch(uint256[] memory tokenIds) external view virtual returns (address[] memory) {  
        address[] memory batch = new address[](tokenIds.length);

        for (uint256 i = 0; i < tokenIds.length; i++) {
            batch[i] = ownerOf(tokenIds[i]);
        }

        return batch;
    }

    function tokenURIBatch(uint256[] memory tokenIds) external view virtual returns (string[] memory) {
        string[] memory batch = new string[](tokenIds.length);

        for (uint256 i = 0; i < tokenIds.length; i++) {
            batch[i] = tokenURI(tokenIds[i]);
        }

        return batch;
    }

    function getApprovedBatch(uint256[] memory tokenIds) external view virtual returns (address[] memory) {
        address[] memory batch = new address[](tokenIds.length);

        for (uint256 i = 0; i < tokenIds.length; i++) {
            batch[i] = getApproved(tokenIds[i]);
        }

        return batch;
    }

    function tokenOfOwnerByIndexBatch(address owner_, uint256[] memory indexes) external view virtual returns (uint256[] memory) {
        uint256[] memory batch = new uint256[](indexes.length);

        for (uint256 i = 0; i < indexes.length; i++) {
            batch[i] = tokenOfOwnerByIndex(owner_, indexes[i]);
        }

        return batch;
    }

}

File 3 of 15 : OwnableRecoverable.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.7;

import "@openzeppelin/contracts/utils/Context.sol";
/**
 * This is a modified version of the standard OpenZeppelin Ownable contract that allows for a recovery address to be used to recover ownership
 * 
 * 
 * @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 OwnableRecoverable is Context {
    address private _owner;

    // the recovery address can be used to recover ownership if the owner wallet is ever lost
    // it should be a cold-storage wallet stored in a vault and never used for any other operation
    // it should be set in the parent constructor
    // if ownership moves to a new organization then the recovery address should be moved too
    address public recovery;

    // initializes the contract setting the deployer as the initial owner.
    constructor () {
        _setOwner(_msgSender());
    }

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

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

    modifier onlyOwnerOrRecovery() {
        require(_msgSender() == owner() || _msgSender() == recovery, "caller is not the owner or recovery");
        _;
    }

    /**
     * @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 onlyOwnerOrRecovery {
        require(newOwner != address(0), "cant use 0 address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        _owner = newOwner;
    }   

    // the recovery address can be changed by the owner or the recovery address
    function setRecovery(address newRecovery) public virtual onlyOwnerOrRecovery {   
        require(newRecovery != address(0), "cant use 0 address");
        recovery = newRecovery;
    }
    

}

File 4 of 15 : Pausable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

File 5 of 15 : ERC721.sol
// SPDX-License-Identifier: MIT

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: balance query for the zero address");
        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: owner query for nonexistent token");
        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) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        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 overriden 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 owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(operator != _msgSender(), "ERC721: approve to caller");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_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: transfer caller is not owner nor 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: transfer caller is not owner nor 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) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, 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);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * 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
        _approve(address(0), tokenId);

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

        emit Transfer(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 of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId);

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

        emit Transfer(from, to, tokenId);
    }

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

    /**
     * @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 {
                    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 {}
}

File 6 of 15 : IERC721.sol
// SPDX-License-Identifier: MIT

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

    /**
     * @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 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);

    /**
     * @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;
}

File 7 of 15 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT

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 `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

File 8 of 15 : ERC721Enumerable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "./IERC721Enumerable.sol"; 

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @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` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * 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 override {
        super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

File 9 of 15 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

File 10 of 15 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT

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 11 of 15 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 12 of 15 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 13 of 15 : Strings.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

    /**
     * @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);
    }
}

File 14 of 15 : ERC165.sol
// SPDX-License-Identifier: MIT

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 15 of 15 : IERC165.sol
// SPDX-License-Identifier: MIT

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);
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 100000
  },
  "evmVersion": "london",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_recovery","type":"address"},{"internalType":"address","name":"proxyRegistryAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"bool","name":"auth","type":"bool"}],"name":"MinterSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"hash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"maker","type":"address"},{"indexed":true,"internalType":"address","name":"taker","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"makerIds","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"takerIds","type":"uint256[]"},{"indexed":false,"internalType":"uint256","name":"takerWei","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"marketFee","type":"uint256"}],"name":"OfferAccepted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"hash","type":"bytes32"}],"name":"OfferCancelled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","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"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"components":[{"internalType":"address","name":"maker","type":"address"},{"internalType":"address","name":"taker","type":"address"},{"internalType":"uint256[]","name":"makerIds","type":"uint256[]"},{"internalType":"uint256[]","name":"takerIds","type":"uint256[]"},{"internalType":"uint256","name":"takerWei","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"internalType":"struct CryptoCities.Offer","name":"offer","type":"tuple"},{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"bytes","name":"witnessSignature","type":"bytes"}],"name":"acceptOffer","outputs":[],"stateMutability":"payable","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":"address[]","name":"owners","type":"address[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"maker","type":"address"},{"internalType":"address","name":"taker","type":"address"},{"internalType":"uint256[]","name":"makerIds","type":"uint256[]"},{"internalType":"uint256[]","name":"takerIds","type":"uint256[]"},{"internalType":"uint256","name":"takerWei","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"internalType":"struct CryptoCities.Offer","name":"offer","type":"tuple"}],"name":"cancelOffer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"getApprovedBatch","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"maker","type":"address"},{"internalType":"address","name":"taker","type":"address"},{"internalType":"uint256[]","name":"makerIds","type":"uint256[]"},{"internalType":"uint256[]","name":"takerIds","type":"uint256[]"},{"internalType":"uint256","name":"takerWei","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"internalType":"struct CryptoCities.Offer","name":"offer","type":"tuple"},{"internalType":"bool","name":"checkIds","type":"bool"}],"name":"hashOffer","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token_owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"marketFee","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"marketPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"mintBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","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":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"ownerOfBatch","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"pauseTrading","type":"bool"}],"name":"pauseMarket","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"recovery","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"royaltyAmount","type":"uint256"}],"stateMutability":"view","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":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseTokenURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"basisPoints","type":"uint16"}],"name":"setMarketFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newWitness","type":"address"}],"name":"setMarketWitness","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"},{"internalType":"bool","name":"authorized","type":"bool"}],"name":"setMinter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"proxyRegistry","type":"address"}],"name":"setProxyRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newRecovery","type":"address"}],"name":"setRecovery","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newReceiver","type":"address"},{"internalType":"uint16","name":"basisPoints","type":"uint16"}],"name":"setRoyalties","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newTreasury","type":"address"}],"name":"setTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"offer_hash","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"signerOfHash","outputs":[{"internalType":"address","name":"signer","type":"address"}],"stateMutability":"pure","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":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"indexes","type":"uint256[]"}],"name":"tokenByIndexBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner_","type":"address"},{"internalType":"uint256[]","name":"indexes","type":"uint256[]"}],"name":"tokenOfOwnerByIndexBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"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":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"tokenURIBatch","outputs":[{"internalType":"string[]","name":"","type":"string[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[],"name":"treasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"treasuryIn","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"treasuryOut","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"maker","type":"address"},{"internalType":"address","name":"taker","type":"address"},{"internalType":"uint256[]","name":"makerIds","type":"uint256[]"},{"internalType":"uint256[]","name":"takerIds","type":"uint256[]"},{"internalType":"uint256","name":"takerWei","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"internalType":"struct CryptoCities.Offer","name":"offer","type":"tuple"},{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"bytes","name":"witnessSignature","type":"bytes"},{"internalType":"bool","name":"checkIds","type":"bool"},{"internalType":"bool","name":"checkTradeValid","type":"bool"},{"internalType":"uint256","name":"checkValue","type":"uint256"}],"name":"validOffer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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

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

000000000000000000000000f1be63031668e26dc2112bc7208ba49d6c4df5640000000000000000000000005dd897c829b7f885f59f48115fa784e31eec9ed1000000000000000000000000a5409ec958c83c3f309868babaca7c86dcb077c1

-----Decoded View---------------
Arg [0] : _owner (address): 0xf1be63031668e26dc2112bc7208ba49d6c4df564
Arg [1] : _recovery (address): 0x5dd897c829b7f885f59f48115fa784e31eec9ed1
Arg [2] : proxyRegistryAddress (address): 0xa5409ec958c83c3f309868babaca7c86dcb077c1

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000f1be63031668e26dc2112bc7208ba49d6c4df564
Arg [1] : 0000000000000000000000005dd897c829b7f885f59f48115fa784e31eec9ed1
Arg [2] : 000000000000000000000000a5409ec958c83c3f309868babaca7c86dcb077c1


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.