ETH Price: $3,470.00 (+3.02%)

Token

Just Mallards (MALLARDS)
 

Overview

Max Total Supply

10,000 MALLARDS

Holders

4,240

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A

Other Info

Filtered by Token Holder
mutantmatty.eth
Balance
1 MALLARDS
0x10caaa4936592cabc556ba82cb940bb44ec5f879
Loading...
Loading
Loading...
Loading
Loading...
Loading

OVERVIEW

Is it copyrighted? Does it have a roadmap? Is it expensive to mint? Nope - it's Just Mallards. Come join the rank of 10,000 CC0 Mallards and migrate with the flock into web3!

# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
JustMallards

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 2000 runs

Other Settings:
default evmVersion
File 1 of 16 : JustMallards.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

// https://ipfs.io/ipfs/QmWnEYforuPHFroBvzQvjjGbwGQMpg4KAmt28HosKPncuq/

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/ERC721.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol";
import "https://github.com/1001-digital/erc721-extensions/blob/main/contracts/RandomlyAssigned.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/extensions/ERC721Enumerable.sol";


contract JustMallards is ERC721, Ownable, RandomlyAssigned {
    using Strings for uint256;
    uint256 public currentSupply = 0;
    bool public paused = true;
    string private _baseURIextended;
    string public baseURI;
    mapping (address => uint) public ownerMallardCount;

    constructor () ERC721("Just Mallards", "MALLARDS") RandomlyAssigned(10000,1) {
    }

    function devMint(uint256 _mintAmount) public payable onlyOwner {
        require( tokenCount() + 1 <= totalSupply(), "Maximum supply has been reached!");
        require( availableTokenCount() - 1 >= 0, "You can't mint more than available token count!"); 
        require( tx.origin == msg.sender, "Looks like you're minting through custom contract!");

        for (uint256 a = 1; a <= _mintAmount; a++) {
            uint256 id = nextToken();
            _safeMint(msg.sender, id);
            currentSupply++;
        }
    }

    function mint () public payable {
        require ( paused == false, "Contract is paused!");
        require( tokenCount() + 1 <= totalSupply(), "Maximum supply has been reached!");
        require( availableTokenCount() - 1 >= 0, "You can't mint more than available token count!"); 
        require( tx.origin == msg.sender, "Looks like you're minting through custom contract!");

        if (msg.sender != owner()) {  
            require (balanceOf(msg.sender) == 0, "Only 1 mint per wallet! -Quack!");
        }

        if (msg.sender != owner()) {  
            require( msg.value >= 0.000 ether);
        }

        uint256 id = nextToken();
        ownerMallardCount[msg.sender]++;
        _safeMint(msg.sender, id);
        currentSupply++;
    }

    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(
            _exists(tokenId),
            "ERC721Metadata: URI query  nonexistant token"
        );

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

    function setBaseURI(string memory baseURI_) external onlyOwner() {
        baseURI = baseURI_;
    }

    function _baseURI() internal view virtual override returns (string memory) {
        return baseURI;
    }

    function setPaused(bool _paused) public onlyOwner {
        paused = _paused;
    }

    function withdraw() public onlyOwner {
        uint balance = address(this).balance;
        payable(msg.sender).transfer(balance);
    }

}

File 2 of 16 : ERC721Enumerable.sol
// 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();
    }
}

File 3 of 16 : RandomlyAssigned.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./WithLimitedSupply.sol";

/// @author 1001.digital
/// @title Randomly assign tokenIDs from a given set of tokens.
abstract contract RandomlyAssigned is WithLimitedSupply {
    // Used for random index assignment
    mapping(uint256 => uint256) private tokenMatrix;

    // The initial token ID
    uint256 private startFrom;

    /// Instanciate the contract
    /// @param _totalSupply how many tokens this collection should hold
    /// @param _startFrom the tokenID with which to start counting
    constructor (uint256 _totalSupply, uint256 _startFrom)
        WithLimitedSupply(_totalSupply)
    {
        startFrom = _startFrom;
    }

    /// Get the next token ID
    /// @dev Randomly gets a new token ID and keeps track of the ones that are still available.
    /// @return the next token ID
    function nextToken() internal override ensureAvailability returns (uint256) {
        uint256 maxIndex = totalSupply() - tokenCount();
        uint256 random = uint256(keccak256(
            abi.encodePacked(
                msg.sender,
                block.coinbase,
                block.difficulty,
                block.gaslimit,
                block.timestamp
            )
        )) % maxIndex;

        uint256 value = 0;
        if (tokenMatrix[random] == 0) {
            // If this matrix position is empty, set the value to the generated random number.
            value = random;
        } else {
            // Otherwise, use the previously stored number from the matrix.
            value = tokenMatrix[random];
        }

        // If the last available tokenID is still unused...
        if (tokenMatrix[maxIndex - 1] == 0) {
            // ...store that ID in the current matrix position.
            tokenMatrix[random] = maxIndex - 1;
        } else {
            // ...otherwise copy over the stored number to the current matrix position.
            tokenMatrix[random] = tokenMatrix[maxIndex - 1];
        }

        // Increment counts
        super.nextToken();

        return value + startFrom;
    }
}

File 4 of 16 : Ownable.sol
// 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 Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

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

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

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

File 5 of 16 : ERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not token owner nor approved for all"
        );

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * 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);

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

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

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId);
    }

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

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

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

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

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

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

File 6 of 16 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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);

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

File 7 of 16 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

File 8 of 16 : Strings.sol
// 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";
    uint8 private constant _ADDRESS_LENGTH = 20;

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

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

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

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

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

File 9 of 16 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

File 10 of 16 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        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
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 11 of 16 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

File 12 of 16 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

File 13 of 16 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

File 14 of 16 : WithLimitedSupply.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Counters.sol";

/// @author 1001.digital
/// @title A token tracker that limits the token supply and increments token IDs on each new mint.
abstract contract WithLimitedSupply {
    using Counters for Counters.Counter;

    /// @dev Emitted when the supply of this collection changes
    event SupplyChanged(uint256 indexed supply);

    // Keeps track of how many we have minted
    Counters.Counter private _tokenCount;

    /// @dev The maximum count of tokens this token tracker will hold.
    uint256 private _totalSupply;

    /// Instanciate the contract
    /// @param totalSupply_ how many tokens this collection should hold
    constructor (uint256 totalSupply_) {
        _totalSupply = totalSupply_;
    }

    /// @dev Get the max Supply
    /// @return the maximum token count
    function totalSupply() public view virtual returns (uint256) {
        return _totalSupply;
    }

    /// @dev Get the current token count
    /// @return the created token count
    function tokenCount() public view returns (uint256) {
        return _tokenCount.current();
    }

    /// @dev Check whether tokens are still available
    /// @return the available token count
    function availableTokenCount() public view returns (uint256) {
        return totalSupply() - tokenCount();
    }

    /// @dev Increment the token count and fetch the latest count
    /// @return the next token id
    function nextToken() internal virtual returns (uint256) {
        uint256 token = _tokenCount.current();

        _tokenCount.increment();

        return token;
    }

    /// @dev Check whether another token is still available
    modifier ensureAvailability() {
        require(availableTokenCount() > 0, "No more tokens available");
        _;
    }

    /// @param amount Check whether number of tokens are still available
    /// @dev Check whether tokens are still available
    modifier ensureAvailabilityFor(uint256 amount) {
        require(availableTokenCount() >= amount, "Requested number of tokens not available");
        _;
    }

    /// Update the supply for the collection
    /// @param _supply the new token supply.
    /// @dev create additional token supply for this collection.
    function _setSupply(uint256 _supply) internal virtual {
        require(_supply > tokenCount(), "Can't set the supply to less than the current token count");
        _totalSupply = _supply;

        emit SupplyChanged(totalSupply());
    }
}

File 15 of 16 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

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

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;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 2000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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":"uint256","name":"supply","type":"uint256"}],"name":"SupplyChanged","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":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"availableTokenCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"currentSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"devMint","outputs":[],"stateMutability":"payable","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":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mint","outputs":[],"stateMutability":"payable","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":"address","name":"","type":"address"}],"name":"ownerMallardCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_paused","type":"bool"}],"name":"setPaused","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":[],"name":"tokenCount","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"}]

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

Deployed Bytecode

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

Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.