Contract 0x6bf7835eCcb7Ea74bbd816aad6Ea6215A51e8D35

 
Txn Hash
Method
Block
From
To
Value
0x6e5a8e71ada8df1affb1d7b7fc00fca0a5077db0ef314c571d238416536b7cfbSet Approval For...153036502022-08-08 20:13:592 days 19 hrs agoENS Name gillworks.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00094829 20.‍56774719
0xe72af296c4718548c944365867036bce385221df1a9d4a7dbb93242c15b1e858Set Approval For...153022412022-08-08 15:01:563 days 26 mins agoENS Name hotdoug.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00171494 37.‍19569896
0x81d8afb81c6e18769458893ad5edb8e70b64081e9847e9edaf8a2326b75e276aTransfer From153022282022-08-08 14:59:093 days 28 mins agoENS Name 95446.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00128457 22.‍28424505
0x57907af3166c28b6d8a2cf7a37fdd645553856c91e0bb69929f5cc92c994d804Set Approval For...153005072022-08-08 8:33:573 days 6 hrs ago0x567c6c16c8f8b33e9140354cbbeca1c014bf117e IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00042493 9.‍21647537
0x210fa45e1bedd91e29a3527c784061671b315bd1df6e0d769ead91e3ce5bae2aSet Approval For...152995662022-08-08 4:50:353 days 10 hrs agoENS Name kmilo.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00026698 5.‍79060689
0xdac9a6b3726d1c2e6079ff17b4f288c637aca62be75790f39d7f37136f3e3369Set Approval For...152949042022-08-07 11:29:354 days 3 hrs agoENS Name shlurm.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00021164 4.‍59037188
0x2610a25fc6b044dec86c7b13c8ac6dfaf51d391818accb3533d49d8ab7169220Set Approval For...152862472022-08-06 3:07:285 days 12 hrs agoENS Name sighted.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00074012 16.‍05264493
0x354c4b0d4c77ffaca3dd66e21eb529f5801d93ef6ee9fe533377836e38675f0bSet Approval For...152712632022-08-03 19:18:177 days 20 hrs ago0x9f836913343c0b46771206de4018fcdd0d76a271 IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00115966 25.‍15204239
0xebfbc33febcac36e6c10514c0022a90e417c4b403d7d36fb1423578c4ff9149cSet Approval For...152682432022-08-03 7:41:358 days 7 hrs ago0xc77a38504bc507990c4782031abfe847113970a6 IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00034467 7.‍47568932
0x560e99791ba48d68cc49d2808373669acc07bf9e08f43b942255d79a8306faacSet Approval For...152618252022-08-02 7:49:529 days 7 hrs agoENS Name 0x707.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00036326 7.‍86461419
0xc3216d35db349ee0d925acc0efe9429e1c0983acd56736b38d80e5732ad53ed6Transfer From152607272022-08-02 3:36:309 days 11 hrs agoENS Name 0x606.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00067044 16.‍54075444
0x89aa8cb3045c52680990ca4848010695bf2cc4c607ed2dfcb3c635739105115cSet Approval For...152605512022-08-02 2:58:149 days 12 hrs agoENS Name 0x606.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00044858 9.‍71165303
0xb839aae289e9a0a1201418df2569f21dd804f001c9bda821ea5d0d6aeb5149e9Set Approval For...152547142022-08-01 5:24:1310 days 10 hrs agoENS Name nonfungiblesg.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍0002822 6.‍12089109
0xd527fb5ecb961e418eb94c190ee5a045f8314052655c00118d248c17453453e5Set Approval For...152167062022-07-26 7:10:2016 days 8 hrs ago0xe07c49b95c73d4fb6b9bd8fbe8d479f2228ae467 IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍0013073 28.‍35434001
0xf351d294fe9a4b25eb2a8a2a722e01e0113dfce5ef25fb5682b8cd434cecabc9Set Approval For...152164392022-07-26 6:09:0816 days 9 hrs agoENS Name balo.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00054394 11.‍79765315
0x6844bda91b751ad2d2fdb7fa4de7af34bb75311586fed963075ff7b3a39ce700Set Approval For...151939642022-07-22 18:11:5219 days 21 hrs ago0x690e006b163838e84509778abb57278850daf2a9 IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00142811 30.‍91831551
0x613e8ec932437a0acf9a47503cdae98f92902a70b23c73e801398066bc471d8cSet Approval For...151933722022-07-22 16:03:5919 days 23 hrs ago0x86c8ff725bca6a2d678dfba373832e5211b0ab1b IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00088593 19.‍21522036
0x2cc74f44b08c07b6db79172fed696e8dbd5ba792b5fcdc7b74c0fa6a7dc0d8d2Set Approval For...151899822022-07-22 3:20:1020 days 12 hrs ago0x0c9e5e91fc7f5541cbcc216d275ed9a622cb0972 IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00041182 8.‍93206116
0x6769e183bd2c180c12bb472485916d843351561ebec0580a0a7be6926cd9c656Set Approval For...151796442022-07-20 13:00:1722 days 2 hrs agoENS Name rahuliyer.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00080546 17.‍43812865
0x31633a1d2a512a6c5c0a888901a70e95f4600ebcaebbf8d57480f4ec52aa5341Set Approval For...151758472022-07-19 22:41:5222 days 16 hrs ago0xecac190067178329d8dbc90d81a3798d6c05c03c IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00112341 24.‍36583025
0xe30f6e3f8fd48b18bfc2c3f087e808e685d162fb77f2432ab8a5b2eac30edfb7Set Approval For...151740142022-07-19 16:03:2622 days 23 hrs agoENS Name iq-7.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00262878 56.‍91247319
0x292b7fc163b403945cdd795c8efc970eaf45319840b3483458c5678b045421adSet Approval For...151711762022-07-19 5:28:1923 days 9 hrs ago0x694408048e4336ddf9712cd1a154c837c8bd67e4 IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00062275 13.‍50697742
0xa7f8c630dac65da1883328e4302164ec4f6387e0c836a13ae817cb4848ec312dSet Approval For...151613422022-07-17 16:53:3924 days 22 hrs agoENS Name mycrot.eth IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00209133 86.‍14097967
0x33a31ae56f64d717b9ce7d08ef34c6f2cf1d8b671612e5c1aaaef5d0c5942118Set Approval For...151598732022-07-17 11:22:1225 days 4 hrs ago0x272ce9cf8f219a35501985bff7662a591a5d701e IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍0002538 10.‍45417596
0xbd72dd2fe8cadd4362f62e751205a2f6f935888ab87b5a1db0b908b304e799a5Set Approval For...151587262022-07-17 7:05:4025 days 8 hrs ago0xdebb0426a25c4b12f1f0fb650786d1aa3eb834bd IN  0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350 Ether0.‍00063291 13.‍70247652
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0xe9ba5594a6c2b07f556036a27b065309be49dd18b3a3eab7587858754169761c141160562022-01-31 21:22:46191 days 18 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name tomhirst.eth1.‍908 Ether
0xe9ba5594a6c2b07f556036a27b065309be49dd18b3a3eab7587858754169761c141160562022-01-31 21:22:46191 days 18 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name jonathansnow.eth1.‍908 Ether
0xe9ba5594a6c2b07f556036a27b065309be49dd18b3a3eab7587858754169761c141160562022-01-31 21:22:46191 days 18 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name ozzy.eth1.‍908 Ether
0xe9ba5594a6c2b07f556036a27b065309be49dd18b3a3eab7587858754169761c141160562022-01-31 21:22:46191 days 18 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350xe7f995cd15c47db20dcc9fd3410627003b1ca9943.‍18 Ether
0xe9ba5594a6c2b07f556036a27b065309be49dd18b3a3eab7587858754169761c141160562022-01-31 21:22:46191 days 18 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350x54681ac94d4e3c8f58f54b576b654dc2d1950ae022.‍896 Ether
0x9013544db84c12325a8909627001bda4b77617cb9c66b797427f6dadca746968141007432022-01-29 12:50:57194 days 2 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name tomhirst.eth1.‍956 Ether
0x9013544db84c12325a8909627001bda4b77617cb9c66b797427f6dadca746968141007432022-01-29 12:50:57194 days 2 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name jonathansnow.eth1.‍956 Ether
0x9013544db84c12325a8909627001bda4b77617cb9c66b797427f6dadca746968141007432022-01-29 12:50:57194 days 2 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name ozzy.eth1.‍956 Ether
0x9013544db84c12325a8909627001bda4b77617cb9c66b797427f6dadca746968141007432022-01-29 12:50:57194 days 2 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350xe7f995cd15c47db20dcc9fd3410627003b1ca9943.‍26 Ether
0x9013544db84c12325a8909627001bda4b77617cb9c66b797427f6dadca746968141007432022-01-29 12:50:57194 days 2 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350x54681ac94d4e3c8f58f54b576b654dc2d1950ae023.‍472 Ether
0x98ab3e5e4808d46c7a781ca04e725af8134f2094b7989e7aa2b79e62b868280e139398752022-01-04 15:46:48218 days 23 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name tomhirst.eth0.‍954 Ether
0x98ab3e5e4808d46c7a781ca04e725af8134f2094b7989e7aa2b79e62b868280e139398752022-01-04 15:46:48218 days 23 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name jonathansnow.eth0.‍954 Ether
0x98ab3e5e4808d46c7a781ca04e725af8134f2094b7989e7aa2b79e62b868280e139398752022-01-04 15:46:48218 days 23 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name ozzy.eth0.‍954 Ether
0x98ab3e5e4808d46c7a781ca04e725af8134f2094b7989e7aa2b79e62b868280e139398752022-01-04 15:46:48218 days 23 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350xe7f995cd15c47db20dcc9fd3410627003b1ca9941.‍59 Ether
0x98ab3e5e4808d46c7a781ca04e725af8134f2094b7989e7aa2b79e62b868280e139398752022-01-04 15:46:48218 days 23 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350x54681ac94d4e3c8f58f54b576b654dc2d1950ae011.‍448 Ether
0xa9d0fcc964488a5432acb82439f734b196f13364bd25e867e0c420b77bcdf395137802592021-12-10 23:05:58243 days 16 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name tomhirst.eth0.‍06 Ether
0xa9d0fcc964488a5432acb82439f734b196f13364bd25e867e0c420b77bcdf395137802592021-12-10 23:05:58243 days 16 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name jonathansnow.eth0.‍06 Ether
0xa9d0fcc964488a5432acb82439f734b196f13364bd25e867e0c420b77bcdf395137802592021-12-10 23:05:58243 days 16 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d35ENS Name ozzy.eth0.‍06 Ether
0xa9d0fcc964488a5432acb82439f734b196f13364bd25e867e0c420b77bcdf395137802592021-12-10 23:05:58243 days 16 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350xe7f995cd15c47db20dcc9fd3410627003b1ca9940.‍1 Ether
0xa9d0fcc964488a5432acb82439f734b196f13364bd25e867e0c420b77bcdf395137802592021-12-10 23:05:58243 days 16 hrs ago 0x6bf7835eccb7ea74bbd816aad6ea6215a51e8d350x54681ac94d4e3c8f58f54b576b654dc2d1950ae00.‍72 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
ShinyFeathers

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 1000 runs

Other Settings:
default evmVersion
File 1 of 12 : ShinyFeathers.sol
//
// _____/\\\\\\\\\\\____/\\\________/\\\__/\\\\\\\\\\\__/\\\\\_____/\\\__/\\\________/\\\_        
//  ___/\\\/////////\\\_\/\\\_______\/\\\_\/////\\\///__\/\\\\\\___\/\\\_\///\\\____/\\\/__       
//   __\//\\\______\///__\/\\\_______\/\\\_____\/\\\_____\/\\\/\\\__\/\\\___\///\\\/\\\/____      
//    ___\////\\\_________\/\\\\\\\\\\\\\\\_____\/\\\_____\/\\\//\\\_\/\\\_____\///\\\/______     
//     ______\////\\\______\/\\\/////////\\\_____\/\\\_____\/\\\\//\\\\/\\\_______\/\\\_______    
//      _________\////\\\___\/\\\_______\/\\\_____\/\\\_____\/\\\_\//\\\/\\\_______\/\\\_______   
//       __/\\\______\//\\\__\/\\\_______\/\\\_____\/\\\_____\/\\\__\//\\\\\\_______\/\\\_______  
//        _\///\\\\\\\\\\\/___\/\\\_______\/\\\__/\\\\\\\\\\\_\/\\\___\//\\\\\_______\/\\\_______ 
//         ___\///////////_____\///________\///__\///////////__\///_____\/////________\///________
//
// @jonathansnow

// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Counters.sol";

contract ShinyFeathers is ERC721, Ownable {
    using Counters for Counters.Counter;

    Counters.Counter private _nextTokenId;
    string private _baseTokenURI;

    uint256 public constant MAX_SUPPLY = 5000;
    uint256 public constant MAX_PER_MINT = 5;
    uint256 public featherPrice = 0.1 ether;
    uint256 public numberAvailable;

    bool public claimIsActive;
    bool public saleIsActive;
    bool public burnIsActive;

    address r1 = 0x54681ac94D4e3C8F58F54B576B654DC2D1950ae0; // Treasury
    address r2 = 0xe7f995Cd15C47Db20dCC9fD3410627003b1Ca994; // Design
    address r3 = 0x320562F05bAEEed8Aa76a0110008Bf0C8C156A8F; // Admin
    address r4 = 0x3E7898c5851635D5212B07F0124a15a2d3C547EB; // Dev
    address r5 = 0x2C6B8C19dd7174F6e0cc56424210F19EeFe62f94; // Dev

    mapping(address => uint256) public whitelist;

    constructor() ERC721("ShinyFeathers", "FTHRS") {
        _nextTokenId.increment();   // Start Token Ids at 1
        claimIsActive = false;      // Set claim to inactive
        saleIsActive = false;       // Set sale to inactive
        burnIsActive = false;       // Set burn to inactive
        numberAvailable = 1000;     // Set initial number of available tokens
    }

    // Function to handle the public mint
    function mint(uint256 numberOfTokens) public payable {
        require(saleIsActive, "Sale is not active yet.");
        require(numberOfTokens > 0, "Quantity must be greater than 0.");
        require(numberOfTokens <= MAX_PER_MINT, "Exceeds max per mint.");
        require(totalSupply() + numberOfTokens <= numberAvailable, "Exceeds max available.");
        require(msg.value >= numberOfTokens * featherPrice, "Wrong ETH value sent.");

        for (uint256 i = 0; i < numberOfTokens; i++) {
            _safeMint(msg.sender, _nextTokenId.current());
            _nextTokenId.increment();
        }
    }

    // Function to handle the whitelisted free mint
    function claim(uint256 numberOfTokens) public {
        require(claimIsActive, "Claiming is not active yet.");
        require(numberOfTokens > 0, "Quantity must be greater than 0.");
        require(totalSupply() + numberOfTokens <= MAX_SUPPLY, "Exceeds max supply.");
        require(whitelist[msg.sender] > 0, "You have no feathers to claim");
        require(numberOfTokens <= whitelist[msg.sender], "Unable to claim that many feathers.");
        
        // Update the number of feathers claimed for the sender address
        whitelist[msg.sender] = whitelist[msg.sender] - numberOfTokens;

        for (uint256 i = 0; i < numberOfTokens; i++) {
            _safeMint(msg.sender, _nextTokenId.current());
            _nextTokenId.increment();
        }
    }

    // Function to allow a user to burn their feather
    function burn(uint256 tokenId) public virtual {
        require(burnIsActive, "Burning is not active.");
        require(_isApprovedOrOwner(_msgSender(), tokenId), "Not authorized to burn.");
        _burn(tokenId);
    }

    function isApprovedOrOwner(address _spender, uint256 _tokenId) external view returns (bool) {
        return _isApprovedOrOwner(_spender, _tokenId);
    }

    // Function to return the number of feathers available to mint
    function feathersAvailable() public view returns (uint256) {
        return numberAvailable - totalSupply();
    }

    // Function to return the rnumber of feathers remaining to mint
    function feathersRemaining() public view returns (uint256) {
        return MAX_SUPPLY - totalSupply();
    }

    // Function to return how many feathers have been minted
    function totalSupply() public view returns (uint256) {
        return _nextTokenId.current() - 1;
    }

    // Function to add multiple addresses to the whitelist or update the claim amount
    function massUpdateWhitelist(address[] memory addresses, uint256[] memory mintAmounts) public onlyOwner {
        for (uint256 i = 0; i < addresses.length; i++) {
            updateWhitelist(addresses[i], mintAmounts[i]);
        }
    }

    // Function to add an address to the whitelist or update the claim amount
    function updateWhitelist(address userAddress, uint256 quantity) public onlyOwner {
        whitelist[userAddress] = quantity;
    }

    // Function to return the number of feathers available to claim by an address
    function getWhitelistBalance(address userAddress) public view returns (uint256)  {
        return whitelist[userAddress];
    } 

    // Function to increase the number of feathers available to mint
    function increaseAvailable(uint256 newNumberAvailable) external onlyOwner {
        require(newNumberAvailable <= MAX_SUPPLY, "Exceeds max supply.");
        require(newNumberAvailable > numberAvailable, "New amount too low.");
        numberAvailable = newNumberAvailable;
    }

    // Function to override the baseURI function
    function _baseURI() internal view virtual override returns (string memory) {
        return _baseTokenURI;
    }

    // Function to set the baseURI
    function setBaseURI(string memory baseURI) external onlyOwner {
        _baseTokenURI = baseURI;
    }

    // Function to flip claim on or off
    function toggleClaim() public onlyOwner {
        claimIsActive = !claimIsActive;
    }

    // Function to flip the sale on or off
    function toggleSale() public onlyOwner {
        saleIsActive = !saleIsActive;
    }

    // Function to flip burning on or off
    function toggleBurn() public onlyOwner {
        burnIsActive = !burnIsActive;
    }

    // Function to change the price of feathers
    function changeSalePrice(uint256 newPrice) external onlyOwner {
        featherPrice = newPrice;
    }

    // Function to update the treasury address
    function updateTreasury(address newAddress) external onlyOwner {
        r1 = newAddress;
    }

    // Function to withdraw ETH balance with splits
    function withdrawBalance() public onlyOwner {
        uint256 balance = address(this).balance;
        payable(r1).transfer((balance * 72) / 100);  // 72% - Treasury
        payable(r2).transfer((balance * 10) / 100);  // 10% - Design
        payable(r3).transfer((balance * 6) / 100);   // 6%  - Admin
        payable(r4).transfer((balance * 6) / 100);   // 6%  - Dev
        payable(r5).transfer((balance * 6) / 100);   // 6%  - Dev
        payable(r1).transfer(address(this).balance); // Transfer remaining balance to treasury
    }

}

File 2 of 12 : 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 3 of 12 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _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(), "Ownable: caller is not the owner");
        _;
    }

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

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

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 4 of 12 : Counters.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }

    function reset(Counter storage counter) internal {
        counter._value = 0;
    }
}

File 5 of 12 : 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 6 of 12 : 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 7 of 12 : 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 8 of 12 : 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 9 of 12 : 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 10 of 12 : 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 11 of 12 : 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 12 of 12 : 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
{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[],"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":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_PER_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"burnIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"changeSalePrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numberOfTokens","type":"uint256"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"featherPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feathersAvailable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feathersRemaining","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"userAddress","type":"address"}],"name":"getWhitelistBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"newNumberAvailable","type":"uint256"}],"name":"increaseAvailable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"isApprovedOrOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"addresses","type":"address[]"},{"internalType":"uint256[]","name":"mintAmounts","type":"uint256[]"}],"name":"massUpdateWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numberOfTokens","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numberAvailable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},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Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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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.