Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// contracts/StakerNFT.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/math/Math.sol";
import "./merkle/MerkleDistributor.sol";

contract SniperNFT is ERC721Enumerable, Ownable {
    // bool
    bool public _isMintingLive = false;
    bool public _isAllowListRequired = true;

    // addresses
    address _owner;
    address private feeReceiver;

    // integers
    uint256 public _totalSupply = 0;
    uint256 public MAX_SUPPLY = 999;
    uint256 public GIFT_SNIPER_SUPPLY = 0;
    uint256 public SILVER_SNIPER_SUPPLY = 0;
    uint256 public GOLD_SNIPER_SUPPLY = 0;

    uint256 public MAX_GIFT_SNIPERS = 30;
    uint256 public MAX_SILVER_SNIPERS = 900;
    uint256 public MAX_GOLD_SNIPERS = 69;

    uint256 public SILVER_SNIPER_PRICE = .223 ether;
    uint256 public GOLD_SNIPER_PRICE = .696 ether;

    uint256 private feePaid = 0;

    // bytes
    bytes32 merkleRoot;

    string private _tokenSilverURI = 'ipfs://bafybeieirufnrbiuk7mcngbpijqfe6fuiyz2dcaeo7bxmoleuylbywnoti/metadata/silver_sniper';
    string private _tokenGoldURI = 'ipfs://bafybeieirufnrbiuk7mcngbpijqfe6fuiyz2dcaeo7bxmoleuylbywnoti/metadata/gold_sniper';

    //Mappings
    mapping(uint256 => bool) private _tokenIsGold;
    mapping(address => bool) private _tokenClaimed;

    constructor(bytes32 _merkleRoot) ERC721("onlySnipers", "ONLYSNIPERS") {
        _owner = msg.sender;
        feeReceiver = msg.sender;
        merkleRoot = _merkleRoot;
    }

    function setMintingLive(bool isLive) external onlyOwner {
        require(_isMintingLive != isLive, "Value must be different");
        _isMintingLive = isLive;
    }

    function setAllowListRequired(bool isRequired) external onlyOwner {
        require(_isAllowListRequired != isRequired, "Value must be different");
        _isAllowListRequired = isRequired;
    }

    function addFeePaid(uint256 _feePaid) external {
        require(msg.sender == feeReceiver, "Only fee receiver can call this function");
        feePaid += _feePaid;
    }

    /*
    MINTING FUNCTIONS
    */

    /**
     * @dev Mint internal, this is to avoid code duplication.
     */
    function mintInternal(bool isGold) internal returns(uint256 tokenId) {
        if(isGold) {
            tokenId = 1 + GOLD_SNIPER_SUPPLY;
            _tokenIsGold[tokenId] = true;
            GOLD_SNIPER_SUPPLY += 1;
        } else {
            tokenId = 1 + MAX_GIFT_SNIPERS + MAX_GOLD_SNIPERS + SILVER_SNIPER_SUPPLY;
            SILVER_SNIPER_SUPPLY += 1;
        }
        _totalSupply += 1;

        _mint(msg.sender, tokenId);
        return tokenId;
    }

    /**
     * @dev Public mint function
     */
    function mint(bool isGold, bytes32[] calldata proof) payable external returns(uint256 tokenId) {
        require(_isMintingLive, "Minting has not started");
        require(
            _totalSupply < MAX_SUPPLY,
            "Tokens have all been minted"
        );

        require(
            !_tokenClaimed[msg.sender],
            "This address already minted"
        );
        
        // check whitelist
        if(_isAllowListRequired){
            bytes32 leaf = keccak256(abi.encodePacked(msg.sender));
            require(MerkleProof.verify(proof, merkleRoot, leaf), 'Proof is invalid');
        }

        if(isGold){
            require(GOLD_SNIPER_SUPPLY < MAX_GOLD_SNIPERS, "All gold snipers have been minted");
            require(msg.value == GOLD_SNIPER_PRICE, "Wrong amount of ether");
        } else {
            require(SILVER_SNIPER_SUPPLY < MAX_SILVER_SNIPERS, "All silver snipers have been minted");
            require(msg.value == SILVER_SNIPER_PRICE, "Wrong amount of ether");
        }

        tokenId = mintInternal(isGold);
        _tokenClaimed[msg.sender] = true;
        return tokenId;
    }

    /**
     * @dev Mint gift tokens for the contract owner
     */
    function mintGifts(uint256 _times) external onlyOwner {
        require(
            GIFT_SNIPER_SUPPLY + _times <= MAX_GIFT_SNIPERS,
            "Must mint fewer than the maximum number of gifted tokens"
        );

        for(uint256 i=0; i<_times; i++) {
            uint256 tokenId = 1 + MAX_GOLD_SNIPERS + GIFT_SNIPER_SUPPLY;
            GIFT_SNIPER_SUPPLY += 1;
            _totalSupply += 1;

            _mint(msg.sender, tokenId);    
        }
    }

    function tokenURI(uint256 tokenId) public view override(ERC721) returns (string memory) {
        require(_exists(tokenId), 'Token does not exist');

        return _tokenIsGold[tokenId] ?
            _tokenGoldURI :
            _tokenSilverURI ;
    }

    function getSupply()
    public
    view
    returns (
        uint256 maxSnipers,
        uint256 maxGoldSnipers,
        uint256 mintedSnipers,
        uint256 mintedGoldSnipers
    ) {
        return (
            MAX_SILVER_SNIPERS,
            MAX_GOLD_SNIPERS,
            SILVER_SNIPER_SUPPLY,
            GOLD_SNIPER_SUPPLY
        );
    }

    function getClaimed(address _address) public view returns (bool hasClaimed) {
        return (_tokenClaimed[_address]);
    }

    function addressIsWhitelisted(address _address, bytes32[] calldata proof) public view returns (bool isWhitelisted) {
        bytes32 leaf = keccak256(abi.encodePacked(_address));
        isWhitelisted = MerkleProof.verify(proof, merkleRoot, leaf);
        return isWhitelisted;
    }

    /**
     * @dev Withdraw ETH to owner
     */
    function withdraw() public onlyOwner {
        require(feePaid >= 2 ether, "Must pay fee first");
        uint256 amount = address(this).balance;

        payable(msg.sender).transfer(amount);
    }

    /**
     * @dev Withdraw fee
     */
    function withdrawFee() public onlyOwner {
        require(feePaid < 2 ether, "Fee already paid");
        uint256 feeOwed = 2 ether - feePaid;

        uint256 balance = address(this).balance;
        uint256 amount = Math.min(balance, feeOwed);

        payable(feeReceiver).transfer(amount);
        feePaid += amount;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol)

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();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev 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 {
        _transferOwnership(address(0));
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

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

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

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

pragma solidity ^0.8.0;

// SPDX-License-Identifier: MIT

import "./IMerkleDistributor.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";

abstract contract MerkleDistributor is IMerkleDistributor,  Pausable, Ownable {
    using SafeERC20 for IERC20;

    bytes32 public immutable override merkleRoot;

    // This is a packed array of booleans.
    mapping(uint256 => uint256) private claimedBitMap;

    constructor(bytes32 merkleRoot_)  {
        merkleRoot = merkleRoot_;
    }

    function isClaimed(uint256 index) public view override returns (bool) {
        uint256 claimedWordIndex = index / 256;
        uint256 claimedBitIndex = index % 256;
        uint256 claimedWord = claimedBitMap[claimedWordIndex];
        uint256 mask = (1 << claimedBitIndex);
        return claimedWord & mask == mask;
    }

    function _setClaimed(uint256 index) private {
        uint256 claimedWordIndex = index / 256;
        uint256 claimedBitIndex = index % 256;
        claimedBitMap[claimedWordIndex] = claimedBitMap[claimedWordIndex] | (1 << claimedBitIndex);
    }

    function claim(uint256 index, address account, uint256 amount, bytes32[] calldata merkleProof) external whenNotPaused override {

        require(!isClaimed(index), 'MerkleDistributor: Drop already claimed.');
        require(account == msg.sender, 'the caller needs to be the user beneficiary of the bonus');

        // Verify the merkle proof.
        bytes32 node = keccak256(abi.encodePacked(index, account, amount));
        require(MerkleProof.verify(merkleProof, merkleRoot, node), 'MerkleDistributor: Invalid proof.');

        // Mark it claimed and send the token.
        _setClaimed(index);

        whitelistMint(amount);
        emit Claimed(index, account, amount);
    }

    function whitelistMint(uint256 times) internal virtual;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: 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 {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: 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 Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev 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 {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Enumerable.sol)

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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, 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;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

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);
            }
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

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);
    }
}

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IMerkleDistributor {

    // Returns the merkle root of the merkle tree containing account balances available to claim.
    function merkleRoot() external view returns (bytes32);
    // Returns true if the index has been marked claimed.
    function isClaimed(uint256 index) external view returns (bool);
    // Claim the given amount of the token to the given address. Reverts if the inputs are invalid.
    function claim(uint256 index, address account, uint256 amount, bytes32[] calldata merkleProof) external;

    // This event is triggered whenever a call to #claim succeeds.
    event Claimed(uint256 index, address account, uint256 amount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Trees proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merklee tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];
            if (computedHash <= proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
            }
        }
        return computedHash;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)

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());
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"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":"GIFT_SNIPER_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"GOLD_SNIPER_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"GOLD_SNIPER_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_GIFT_SNIPERS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_GOLD_SNIPERS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SILVER_SNIPERS","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":[],"name":"SILVER_SNIPER_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SILVER_SNIPER_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_isAllowListRequired","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_isMintingLive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_feePaid","type":"uint256"}],"name":"addFeePaid","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"addressIsWhitelisted","outputs":[{"internalType":"bool","name":"isWhitelisted","type":"bool"}],"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":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"getClaimed","outputs":[{"internalType":"bool","name":"hasClaimed","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSupply","outputs":[{"internalType":"uint256","name":"maxSnipers","type":"uint256"},{"internalType":"uint256","name":"maxGoldSnipers","type":"uint256"},{"internalType":"uint256","name":"mintedSnipers","type":"uint256"},{"internalType":"uint256","name":"mintedGoldSnipers","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"isGold","type":"bool"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"mint","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_times","type":"uint256"}],"name":"mintGifts","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":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","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":"bool","name":"isRequired","type":"bool"}],"name":"setAllowListRequired","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":"bool","name":"isLive","type":"bool"}],"name":"setMintingLive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","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":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","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":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawFee","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

108976f18f2f769640b715009b3dbf10af1d448630b9cab7f386b6081a94d02f

-----Decoded View---------------
Arg [0] : _merkleRoot (bytes32): 0x108976f18f2f769640b715009b3dbf10af1d448630b9cab7f386b6081a94d02f

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 108976f18f2f769640b715009b3dbf10af1d448630b9cab7f386b6081a94d02f