Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/presets/ERC20PresetMinterPauser.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
/**
 * @dev Extends standard ERC20 contract from OpenZeppelin
 */
contract SmokeToken is ERC20PresetMinterPauser("Smoke", "SMOKE"), ReentrancyGuard {
    /// @notice Start timestamp from contract deployment    
    uint256 public immutable emissionStart;
    /// @notice End date for Smoke emissions to Dormant Dragons holders
    uint256 public immutable emissionEnd;

    /// @dev Contract address for Dormant Dragon holders
    address private _nftAddress;


    /// @dev A record of last claimed timestamp for Dormtant Dragons
    mapping(uint256 => uint256) private _lastClaim;

    /**
     * @param emissionStartTimestamp Timestamp of reveal period
     */
    constructor(uint256 emissionStartTimestamp) {
        emissionStart = emissionStartTimestamp;
        emissionEnd = emissionStartTimestamp + (getInterval(1800));

        mint(0x0Ac8ee50498f45E58d6Af385bB6B6192661b8956, 9000000 * perToken());
    }
    
    function setNFTAddress(address nftAddress) external onlyRole(DEFAULT_ADMIN_ROLE) {
        require(_nftAddress == address(0), "Already set");
        _nftAddress = nftAddress;
    }

    function getLastClaim(uint256 tokenId) public view returns (uint256) {
        require(tokenId <= ERC721Enumerable(_nftAddress).totalSupply(), "NFT at index not been minted");
        require(ERC721Enumerable(_nftAddress).ownerOf(tokenId) != address(0), "Owner cannot be 0 address");
        uint256 lastClaimed = uint256(_lastClaim[tokenId]) != 0 ? uint256(_lastClaim[tokenId]) : emissionStart;
        return lastClaimed;
    }

    function getClaimableFromLastOwed(uint256 tokenId) public view returns (uint256) {
        require(getTime() > emissionStart, "Emission has not started yet");
        uint256 lastClaimed = getLastClaim(tokenId);
        require(lastClaimed < emissionEnd, "Claiming finished");
        /** @dev days = delta epoch / day */
        uint256 owed = caclulateOwed(
            /** how many days have gone past since last claimed */
            getDay(emissionStart, lastClaimed),
            /** how many days have gone past since emission start */
            getDay(emissionStart, getTime())
        );
        require(owed != 0, "No claimable smoke");
        return owed * perToken();
    }

    function getDay(uint256 first, uint256 second) public pure returns (uint256) {
        return (second - first) / getInterval(1);
    }

    function claimAll(uint256[] memory tokenIndices) external nonReentrant returns (uint256) {
        uint256 totalClaimQty = 0;
        for (uint256 i = 0; i < tokenIndices.length; i++) {
            // Duplicate token index check
            for (uint256 j = i + 1; j < tokenIndices.length; j++) {
                require(tokenIndices[i] != tokenIndices[j], "Duplicate token index");
            }            
            uint256 tokenIndex = tokenIndices[i];     
            require(ERC721Enumerable(_nftAddress).ownerOf(tokenIndex) == _msgSender(), "Sender is not the owner");
            uint256 claimQty = getClaimableFromLastOwed(tokenIndex);
            if (claimQty != 0) {
                totalClaimQty = totalClaimQty + claimQty;
                _lastClaim[tokenIndex] = getTime();
            }
        }

        require(totalClaimQty != 0, "No accumulated SMOKE");
        _mint(_msgSender(), totalClaimQty);
        return totalClaimQty;
    }

    function perToken() internal pure virtual returns (uint256) {
        return 1 ether;
    }

    function claim(uint256 tokenId) external nonReentrant returns (uint256){
        require(ERC721Enumerable(_nftAddress).ownerOf(tokenId) == _msgSender(), "Sender is not the owner");
        uint256 owed = getClaimableFromLastOwed(tokenId);          
        _mint(_msgSender(), owed);
        _lastClaim[tokenId] = getTime();
        return owed;
    }

    /**
        @dev 
        to find owed = total owed since start - claimed tokens  
     */
    function caclulateOwed(uint256 lastClaimed, uint256 totalDays) public pure returns (uint256) {
        uint256 accrued = totalDays - lastClaimed;
        if(accrued >= 1800) {
            return totalEmissions(1800) - totalEmissions(lastClaimed);
        }
        return totalEmissions(totalDays) - totalEmissions(lastClaimed);
    }

    function getTime() internal view virtual returns (uint256) {
        return block.timestamp;
    }

    function getInterval(uint qty) internal pure virtual returns (uint256) {
        return qty * 1 days;
    }

    /**
        @dev 
        10 Smokes a day for 180 days = 1800 (180 days)
        8 Smokes a day for 180 days = 1440 (360 days)
        6 Smokes a day for 180 days = 1080 (540 days)
        4 Smokes a day for 180 days = 720 (720 days)
        2 Smokes a day for 180 days = 360 (900 days) 

        Total = 5400 smoke per dragon
        5400 * 5000 (no. of NFTs) = 27,000,000

        2 smokes a day for 900 more days
        900 * 2 * 5000 = 9,000,000

        36,000,000 total smokes created
     */
    function totalEmissions(uint256 totalDays) public pure returns (uint256) {
        require(totalDays <= 1800, "Exceeds timeline");
        if(totalDays <= 180) return 10 * (totalDays);
        // 10 * 180 + 8 * (totalDays - 180);
        if(totalDays <= 360) return 1800 + 8 * (totalDays - 180);
        // 10 * 180 + 8 * 180 + 6 * (totalDays - 360);
        if(totalDays <= 540) return 3240 + 6 * (totalDays - 360);
        // 10 * 180 + 8 * 180 + 6 * 180 + 4 * (totalDays - 540);
        if(totalDays <= 720) return 4320 + 4 * (totalDays - 540);
        // 10 * 180 + 8 * 180 + 6 * 180 + 4 * 180 + 2 * (totalDays - 720);
        return 5040 + 2 * (totalDays - 720);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC20.sol";
import "../extensions/ERC20Burnable.sol";
import "../extensions/ERC20Pausable.sol";
import "../../../access/AccessControlEnumerable.sol";
import "../../../utils/Context.sol";

/**
 * @dev {ERC20} token, including:
 *
 *  - ability for holders to burn (destroy) their tokens
 *  - a minter role that allows for token minting (creation)
 *  - a pauser role that allows to stop all token transfers
 *
 * This contract uses {AccessControl} to lock permissioned functions using the
 * different roles - head to its documentation for details.
 *
 * The account that deploys the contract will be granted the minter and pauser
 * roles, as well as the default admin role, which will let it grant both minter
 * and pauser roles to other accounts.
 */
contract ERC20PresetMinterPauser is Context, AccessControlEnumerable, ERC20Burnable, ERC20Pausable {
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
    bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");

    /**
     * @dev Grants `DEFAULT_ADMIN_ROLE`, `MINTER_ROLE` and `PAUSER_ROLE` to the
     * account that deploys the contract.
     *
     * See {ERC20-constructor}.
     */
    constructor(string memory name, string memory symbol) ERC20(name, symbol) {
        _setupRole(DEFAULT_ADMIN_ROLE, _msgSender());

        _setupRole(MINTER_ROLE, _msgSender());
        _setupRole(PAUSER_ROLE, _msgSender());
    }

    /**
     * @dev Creates `amount` new tokens for `to`.
     *
     * See {ERC20-_mint}.
     *
     * Requirements:
     *
     * - the caller must have the `MINTER_ROLE`.
     */
    function mint(address to, uint256 amount) public virtual {
        require(hasRole(MINTER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have minter role to mint");
        _mint(to, amount);
    }

    /**
     * @dev Pauses all token transfers.
     *
     * See {ERC20Pausable} and {Pausable-_pause}.
     *
     * Requirements:
     *
     * - the caller must have the `PAUSER_ROLE`.
     */
    function pause() public virtual {
        require(hasRole(PAUSER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have pauser role to pause");
        _pause();
    }

    /**
     * @dev Unpauses all token transfers.
     *
     * See {ERC20Pausable} and {Pausable-_unpause}.
     *
     * Requirements:
     *
     * - the caller must have the `PAUSER_ROLE`.
     */
    function unpause() public virtual {
        require(hasRole(PAUSER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have pauser role to unpause");
        _unpause();
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override(ERC20, ERC20Pausable) {
        super._beforeTokenTransfer(from, to, amount);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens 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 amount
    ) 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, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been 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 _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC20.sol";
import "../../../utils/Context.sol";

/**
 * @dev Extension of {ERC20} that allows token holders to destroy both their own
 * tokens and those that they have an allowance for, in a way that can be
 * recognized off-chain (via event analysis).
 */
abstract contract ERC20Burnable is Context, ERC20 {
    /**
     * @dev Destroys `amount` tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 amount) public virtual {
        _burn(_msgSender(), amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, deducting from the caller's
     * allowance.
     *
     * See {ERC20-_burn} and {ERC20-allowance}.
     *
     * Requirements:
     *
     * - the caller must have allowance for ``accounts``'s tokens of at least
     * `amount`.
     */
    function burnFrom(address account, uint256 amount) public virtual {
        uint256 currentAllowance = allowance(account, _msgSender());
        require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance");
        unchecked {
            _approve(account, _msgSender(), currentAllowance - amount);
        }
        _burn(account, amount);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC20.sol";
import "../../../security/Pausable.sol";

/**
 * @dev ERC20 token with pausable token transfers, minting and burning.
 *
 * Useful for scenarios such as preventing trades until the end of an evaluation
 * period, or having an emergency switch for freezing all token transfers in the
 * event of a large bug.
 */
abstract contract ERC20Pausable is ERC20, Pausable {
    /**
     * @dev See {ERC20-_beforeTokenTransfer}.
     *
     * Requirements:
     *
     * - the contract must not be paused.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, amount);

        require(!paused(), "ERC20Pausable: token transfer while paused");
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IAccessControlEnumerable.sol";
import "./AccessControl.sol";
import "../utils/structs/EnumerableSet.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl {
    using EnumerableSet for EnumerableSet.AddressSet;

    mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers;

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

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view override returns (address) {
        return _roleMembers[role].at(index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view override returns (uint256) {
        return _roleMembers[role].length();
    }

    /**
     * @dev Overload {grantRole} to track enumerable memberships
     */
    function grantRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
        super.grantRole(role, account);
        _roleMembers[role].add(account);
    }

    /**
     * @dev Overload {revokeRole} to track enumerable memberships
     */
    function revokeRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
        super.revokeRole(role, account);
        _roleMembers[role].remove(account);
    }

    /**
     * @dev Overload {renounceRole} to track enumerable memberships
     */
    function renounceRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
        super.renounceRole(role, account);
        _roleMembers[role].remove(account);
    }

    /**
     * @dev Overload {_setupRole} to track enumerable memberships
     */
    function _setupRole(bytes32 role, address account) internal virtual override {
        super._setupRole(role, account);
        _roleMembers[role].add(account);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT

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

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

    bool private _paused;

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

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IAccessControl.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerable is IAccessControl {
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

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

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    function _grantRole(bytes32 role, address account) private {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    function _revokeRole(bytes32 role, address account) private {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

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

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

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

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

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

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

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

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

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

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

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

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

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

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

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

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

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

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

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

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

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

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

        // Clear approvals
        _approve(address(0), tokenId);

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

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

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

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);
    }

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

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

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

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

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

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

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

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

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

{
  "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":"uint256","name":"emissionStartTimestamp","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINTER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PAUSER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"lastClaimed","type":"uint256"},{"internalType":"uint256","name":"totalDays","type":"uint256"}],"name":"caclulateOwed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"claim","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIndices","type":"uint256[]"}],"name":"claimAll","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emissionEnd","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"emissionStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getClaimableFromLastOwed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"first","type":"uint256"},{"internalType":"uint256","name":"second","type":"uint256"}],"name":"getDay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getLastClaim","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"nftAddress","type":"address"}],"name":"setNFTAddress","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":"totalDays","type":"uint256"}],"name":"totalEmissions","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000000000000000000000000000000000000061a33541

-----Decoded View---------------
Arg [0] : emissionStartTimestamp (uint256): 1638085953

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000061a33541