Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

pragma solidity 0.6.6;

import "./VoguNFTBase.sol";
import "@chainlink/contracts/src/v0.6/VRFConsumerBase.sol";

contract VoguNFT is VoguNFTBase, VRFConsumerBase {
    event VoguSeed(uint256 seed);

    uint256 public seed;
    bytes32 internal keyHash;
    uint256 internal fee;

    string public specialURI;
    string public defaultURI;

    bool earlyMint;
    bool revealed;

    constructor(
        address _VRFCoordinator,
        address _LINKToken,
        bytes32 _keyHash,
        uint256 _mintFeePerToken,
        uint256 _maxVogu, 
        string memory _defaultURI
    )
        public
        VoguNFTBase(_mintFeePerToken, _maxVogu)
        VRFConsumerBase(_VRFCoordinator, _LINKToken)
    {
        keyHash = _keyHash;
        fee = 2 * 10**18; // 2 LINK token
        defaultURI = _defaultURI;
    }

    function setDefaultURI(string memory _defaultURI) public onlyOwner {
        defaultURI = _defaultURI;
    }

    function setSpecialURI(string memory _specicalURI) public onlyOwner {
        specialURI = _specicalURI;
    }

    /**
     * @dev mint `numberToken` for msg.sender aka who call method.
     * @param numberToken number token collector want to mint
     */
    function _mintVogu(uint256 numberToken) internal returns (bool) {
        for (uint256 i = 0; i < numberToken; i++) {
            uint256 tokenIndex = totalSupply();
            if (tokenIndex < MAX_VOGU) _safeMint(_msgSender(), tokenIndex);
        }
        return true;
    }

    function mintVogu(uint256 numberToken)
        public
        payable
        online
        mintable(numberToken)
        returns (bool)
    {
        return _mintVogu(numberToken);
    }
    /**
     * @dev reveal metadata of tokens.
     * @dev only can call one time, and only owner can call it.
     * @dev function will request to chainlink oracle and receive random number.
     * @dev contract will get this number by fulfillRandomness function. 
     * @dev You should transfer 2 LINK token to contract, before call this function
     */
    function reveal() public onlyOwner {
        require(!revealed, "You have already generated a random seed");
        require(LINK.balanceOf(address(this)) >= fee);
        requestRandomness(keyHash, fee);
        revealed = true;
    }

    /**
     * @dev receive random number from chainlink
     * @notice random number will greater than zero
     */
    function fulfillRandomness(bytes32 requestId, uint256 randomNumber)
        internal
        override
    {
        if (randomNumber > 0) seed = randomNumber;
        else seed = 1;
        emit VoguSeed(seed);
    }

    /**
     * @dev query metadata id of token
     * @notice only know after owner owner create `seed`
     * @param tokenId The id of token you want to query
     */
    function metadataOf(uint256 tokenId) public view returns (string memory) {
        require(tokenId < totalSupply(), "Token id invalid");

        if (seed == 0) return "";

        uint256[] memory metaIds = new uint256[](MAX_VOGU);
        uint256 ss = seed;

        for (uint256 i = 0; i < MAX_VOGU; i++) {
            metaIds[i] = i;
        }

        // shuffle meta id
        for (uint256 i = 5; i < MAX_VOGU; i++) {
            uint256 j = (uint256(keccak256(abi.encode(ss, i))) %
                (MAX_VOGU - 5)) + 5;
            (metaIds[i], metaIds[j]) = (metaIds[j], metaIds[i]);
        }

        return metaIds[tokenId].toString();
    }

    /**
     * @dev query tokenURI of token Id
     * @dev before reveal will return default URI
     * @dev after reveal return token URI of this token on IPFS 
     * @param tokenId The id of token you want to query
     */
    function tokenURI(uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        require(tokenId < totalSupply(), "Token not exist.");

        // special token => return URI
        if (tokenId < 5)
            return string(abi.encodePacked(specialURI, tokenId.toString()));

        // before reveal, nobody know what happened
        if (!revealed) {
            return defaultURI;
        }

        // after reveal, you can know your know.
        return string(abi.encodePacked(baseURI(), metadataOf(tokenId)));
    }

    /**
     * @dev Minted early for owner, only owner can call, use also want to provide link to 5 metadata
     * @notice You only call this one time, and it should be call when offline
     */
    function earlyMintVugo(string memory _specialURI) public offline onlyOwner {
        require(!earlyMint, "Owner minted token");
        _mintVogu(77);
        specialURI = _specialURI;
        earlyMint = true;
    }
}

pragma solidity 0.6.6;

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

/**
 * @dev VoguNFTBase contract.
 * @notice Setup admin control functional, include MINT_FEE_PER_TOKEN, Total Supply and metadata proven hash
 */
contract VoguNFTBase is Ownable, ERC721 {
    uint256 public constant LIMIT_TOKEN_PER_TX = 17;

    uint256 public MAX_VOGU;
    uint256 public MINT_FEE_PER_TOKEN;

    bytes32 public proven;

    // status = false <=> contract offline
    // status = true <=> contract online
    // token only can mint when contract online
    // admin only can setup contract when contract offline
    bool public status;

    /**
     * @param _mintFeePerToken The Fee (in ETH) collector/user pays for Vogu when one token is minted.
     * @param _MAX_VOGU Total supply of contract
     */
    constructor(uint256 _mintFeePerToken, uint256 _MAX_VOGU)
        public
        ERC721("Vogu", "VGT")
    {
        MAX_VOGU = _MAX_VOGU;
        MINT_FEE_PER_TOKEN = _mintFeePerToken;
    }

    /**
     * @dev ensure contract is online
     */
    modifier online() {
        require(status, "Contract must be online.");
        _;
    }

    /**
     * @dev ensure contract is offline
     */
    modifier offline() {
        require(!status, "Contract must be offline.");
        _;
    }

    /**
     * @dev ensure collector pays for mint token
     */
    modifier mintable(uint256 numberToken) {
        require(numberToken <= LIMIT_TOKEN_PER_TX, "Number Token invalid");
        require(msg.value >= numberToken.mul(MINT_FEE_PER_TOKEN), "Payment error");
        _;
    }

    /**
     * @dev change status from online to offline and vice versa
     */
    function toggleActive() public onlyOwner returns (bool) {
        status = !status;
        return true;
    }

    // TODO: should set fix MINT_FEE_PER_TOKEN
    function setMintFee(uint256 _mintFeePerToken)
        public
        onlyOwner
        offline
        returns (bool)
    {
        MINT_FEE_PER_TOKEN = _mintFeePerToken;
        return true;
    }

    /**
     * @dev Set base URI for contract
     * @param _baseURI ipfs hash
     */
    function setBaseURI(string memory _baseURI) public onlyOwner {
        _setBaseURI(_baseURI);
    }

    /**
     * @dev withdraw ether to owner/admin wallet
     * @notice ONLY owner can call this function
     */
    function withdraw() public onlyOwner {
        uint256 balance = address(this).balance;
        msg.sender.transfer(balance);
    }

    /**
     * @dev Set proven hash of metadata
     */
    function provenHash(bytes32 _proven) public onlyOwner {
        proven = _proven;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

import "./vendor/SafeMathChainlink.sol";

import "./interfaces/LinkTokenInterface.sol";

import "./VRFRequestIDBase.sol";

/** ****************************************************************************
 * @notice Interface for contracts using VRF randomness
 * *****************************************************************************
 * @dev PURPOSE
 *
 * @dev Reggie the Random Oracle (not his real job) wants to provide randomness
 * @dev to Vera the verifier in such a way that Vera can be sure he's not
 * @dev making his output up to suit himself. Reggie provides Vera a public key
 * @dev to which he knows the secret key. Each time Vera provides a seed to
 * @dev Reggie, he gives back a value which is computed completely
 * @dev deterministically from the seed and the secret key.
 *
 * @dev Reggie provides a proof by which Vera can verify that the output was
 * @dev correctly computed once Reggie tells it to her, but without that proof,
 * @dev the output is indistinguishable to her from a uniform random sample
 * @dev from the output space.
 *
 * @dev The purpose of this contract is to make it easy for unrelated contracts
 * @dev to talk to Vera the verifier about the work Reggie is doing, to provide
 * @dev simple access to a verifiable source of randomness.
 * *****************************************************************************
 * @dev USAGE
 *
 * @dev Calling contracts must inherit from VRFConsumerBase, and can
 * @dev initialize VRFConsumerBase's attributes in their constructor as
 * @dev shown:
 *
 * @dev   contract VRFConsumer {
 * @dev     constuctor(<other arguments>, address _vrfCoordinator, address _link)
 * @dev       VRFConsumerBase(_vrfCoordinator, _link) public {
 * @dev         <initialization with other arguments goes here>
 * @dev       }
 * @dev   }
 *
 * @dev The oracle will have given you an ID for the VRF keypair they have
 * @dev committed to (let's call it keyHash), and have told you the minimum LINK
 * @dev price for VRF service. Make sure your contract has sufficient LINK, and
 * @dev call requestRandomness(keyHash, fee, seed), where seed is the input you
 * @dev want to generate randomness from.
 *
 * @dev Once the VRFCoordinator has received and validated the oracle's response
 * @dev to your request, it will call your contract's fulfillRandomness method.
 *
 * @dev The randomness argument to fulfillRandomness is the actual random value
 * @dev generated from your seed.
 *
 * @dev The requestId argument is generated from the keyHash and the seed by
 * @dev makeRequestId(keyHash, seed). If your contract could have concurrent
 * @dev requests open, you can use the requestId to track which seed is
 * @dev associated with which randomness. See VRFRequestIDBase.sol for more
 * @dev details. (See "SECURITY CONSIDERATIONS" for principles to keep in mind,
 * @dev if your contract could have multiple requests in flight simultaneously.)
 *
 * @dev Colliding `requestId`s are cryptographically impossible as long as seeds
 * @dev differ. (Which is critical to making unpredictable randomness! See the
 * @dev next section.)
 *
 * *****************************************************************************
 * @dev SECURITY CONSIDERATIONS
 *
 * @dev A method with the ability to call your fulfillRandomness method directly
 * @dev could spoof a VRF response with any random value, so it's critical that
 * @dev it cannot be directly called by anything other than this base contract
 * @dev (specifically, by the VRFConsumerBase.rawFulfillRandomness method).
 *
 * @dev For your users to trust that your contract's random behavior is free
 * @dev from malicious interference, it's best if you can write it so that all
 * @dev behaviors implied by a VRF response are executed *during* your
 * @dev fulfillRandomness method. If your contract must store the response (or
 * @dev anything derived from it) and use it later, you must ensure that any
 * @dev user-significant behavior which depends on that stored value cannot be
 * @dev manipulated by a subsequent VRF request.
 *
 * @dev Similarly, both miners and the VRF oracle itself have some influence
 * @dev over the order in which VRF responses appear on the blockchain, so if
 * @dev your contract could have multiple VRF requests in flight simultaneously,
 * @dev you must ensure that the order in which the VRF responses arrive cannot
 * @dev be used to manipulate your contract's user-significant behavior.
 *
 * @dev Since the ultimate input to the VRF is mixed with the block hash of the
 * @dev block in which the request is made, user-provided seeds have no impact
 * @dev on its economic security properties. They are only included for API
 * @dev compatability with previous versions of this contract.
 *
 * @dev Since the block hash of the block which contains the requestRandomness
 * @dev call is mixed into the input to the VRF *last*, a sufficiently powerful
 * @dev miner could, in principle, fork the blockchain to evict the block
 * @dev containing the request, forcing the request to be included in a
 * @dev different block with a different hash, and therefore a different input
 * @dev to the VRF. However, such an attack would incur a substantial economic
 * @dev cost. This cost scales with the number of blocks the VRF oracle waits
 * @dev until it calls responds to a request.
 */
abstract contract VRFConsumerBase is VRFRequestIDBase {

  using SafeMathChainlink for uint256;

  /**
   * @notice fulfillRandomness handles the VRF response. Your contract must
   * @notice implement it. See "SECURITY CONSIDERATIONS" above for important
   * @notice principles to keep in mind when implementing your fulfillRandomness
   * @notice method.
   *
   * @dev VRFConsumerBase expects its subcontracts to have a method with this
   * @dev signature, and will call it once it has verified the proof
   * @dev associated with the randomness. (It is triggered via a call to
   * @dev rawFulfillRandomness, below.)
   *
   * @param requestId The Id initially returned by requestRandomness
   * @param randomness the VRF output
   */
  function fulfillRandomness(bytes32 requestId, uint256 randomness)
    internal virtual;

  /**
   * @dev In order to keep backwards compatibility we have kept the user
   * seed field around. We remove the use of it because given that the blockhash
   * enters later, it overrides whatever randomness the used seed provides.
   * Given that it adds no security, and can easily lead to misunderstandings,
   * we have removed it from usage and can now provide a simpler API.
   */
  uint256 constant private USER_SEED_PLACEHOLDER = 0;

  /**
   * @notice requestRandomness initiates a request for VRF output given _seed
   *
   * @dev The fulfillRandomness method receives the output, once it's provided
   * @dev by the Oracle, and verified by the vrfCoordinator.
   *
   * @dev The _keyHash must already be registered with the VRFCoordinator, and
   * @dev the _fee must exceed the fee specified during registration of the
   * @dev _keyHash.
   *
   * @dev The _seed parameter is vestigial, and is kept only for API
   * @dev compatibility with older versions. It can't *hurt* to mix in some of
   * @dev your own randomness, here, but it's not necessary because the VRF
   * @dev oracle will mix the hash of the block containing your request into the
   * @dev VRF seed it ultimately uses.
   *
   * @param _keyHash ID of public key against which randomness is generated
   * @param _fee The amount of LINK to send with the request
   *
   * @return requestId unique ID for this request
   *
   * @dev The returned requestId can be used to distinguish responses to
   * @dev concurrent requests. It is passed as the first argument to
   * @dev fulfillRandomness.
   */
  function requestRandomness(bytes32 _keyHash, uint256 _fee)
    internal returns (bytes32 requestId)
  {
    LINK.transferAndCall(vrfCoordinator, _fee, abi.encode(_keyHash, USER_SEED_PLACEHOLDER));
    // This is the seed passed to VRFCoordinator. The oracle will mix this with
    // the hash of the block containing this request to obtain the seed/input
    // which is finally passed to the VRF cryptographic machinery.
    uint256 vRFSeed  = makeVRFInputSeed(_keyHash, USER_SEED_PLACEHOLDER, address(this), nonces[_keyHash]);
    // nonces[_keyHash] must stay in sync with
    // VRFCoordinator.nonces[_keyHash][this], which was incremented by the above
    // successful LINK.transferAndCall (in VRFCoordinator.randomnessRequest).
    // This provides protection against the user repeating their input seed,
    // which would result in a predictable/duplicate output, if multiple such
    // requests appeared in the same block.
    nonces[_keyHash] = nonces[_keyHash].add(1);
    return makeRequestId(_keyHash, vRFSeed);
  }

  LinkTokenInterface immutable internal LINK;
  address immutable private vrfCoordinator;

  // Nonces for each VRF key from which randomness has been requested.
  //
  // Must stay in sync with VRFCoordinator[_keyHash][this]
  mapping(bytes32 /* keyHash */ => uint256 /* nonce */) private nonces;

  /**
   * @param _vrfCoordinator address of VRFCoordinator contract
   * @param _link address of LINK token contract
   *
   * @dev https://docs.chain.link/docs/link-token-contracts
   */
  constructor(address _vrfCoordinator, address _link) public {
    vrfCoordinator = _vrfCoordinator;
    LINK = LinkTokenInterface(_link);
  }

  // rawFulfillRandomness is called by VRFCoordinator when it receives a valid VRF
  // proof. rawFulfillRandomness then calls fulfillRandomness, after validating
  // the origin of the call
  function rawFulfillRandomness(bytes32 requestId, uint256 randomness) external {
    require(msg.sender == vrfCoordinator, "Only VRFCoordinator can fulfill");
    fulfillRandomness(requestId, randomness);
  }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../../utils/Context.sol";
import "./IERC721.sol";
import "./IERC721Metadata.sol";
import "./IERC721Enumerable.sol";
import "./IERC721Receiver.sol";
import "../../introspection/ERC165.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";
import "../../utils/EnumerableSet.sol";
import "../../utils/EnumerableMap.sol";
import "../../utils/Strings.sol";

/**
 * @title ERC721 Non-Fungible Token Standard basic implementation
 * @dev see https://eips.ethereum.org/EIPS/eip-721
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
    using SafeMath for uint256;
    using Address for address;
    using EnumerableSet for EnumerableSet.UintSet;
    using EnumerableMap for EnumerableMap.UintToAddressMap;
    using Strings for uint256;

    // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
    // which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
    bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;

    // Mapping from holder address to their (enumerable) set of owned tokens
    mapping (address => EnumerableSet.UintSet) private _holderTokens;

    // Enumerable mapping from token ids to their owners
    EnumerableMap.UintToAddressMap private _tokenOwners;

    // 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;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Optional mapping for token URIs
    mapping (uint256 => string) private _tokenURIs;

    // Base URI
    string private _baseURI;

    /*
     *     bytes4(keccak256('balanceOf(address)')) == 0x70a08231
     *     bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
     *     bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
     *     bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
     *     bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
     *     bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
     *     bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
     *
     *     => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
     *        0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
     */
    bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;

    /*
     *     bytes4(keccak256('name()')) == 0x06fdde03
     *     bytes4(keccak256('symbol()')) == 0x95d89b41
     *     bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
     *
     *     => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
     */
    bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;

    /*
     *     bytes4(keccak256('totalSupply()')) == 0x18160ddd
     *     bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
     *     bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
     *
     *     => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
     */
    bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;

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

        // register the supported interfaces to conform to ERC721 via ERC165
        _registerInterface(_INTERFACE_ID_ERC721);
        _registerInterface(_INTERFACE_ID_ERC721_METADATA);
        _registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
    }

    /**
     * @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 _holderTokens[owner].length();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
    }

    /**
     * @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 _tokenURI = _tokenURIs[tokenId];
        string memory base = baseURI();

        // If there is no base URI, return the token URI.
        if (bytes(base).length == 0) {
            return _tokenURI;
        }
        // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
        if (bytes(_tokenURI).length > 0) {
            return string(abi.encodePacked(base, _tokenURI));
        }
        // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
        return string(abi.encodePacked(base, tokenId.toString()));
    }

    /**
    * @dev Returns the base URI set via {_setBaseURI}. This will be
    * automatically added as a prefix in {tokenURI} to each token's URI, or
    * to the token ID if no specific URI is set for that token ID.
    */
    function baseURI() public view virtual returns (string memory) {
        return _baseURI;
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        return _holderTokens[owner].at(index);
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
        return _tokenOwners.length();
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        (uint256 tokenId, ) = _tokenOwners.at(index);
        return tokenId;
    }

    /**
     * @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 || ERC721.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 _tokenOwners.contains(tokenId);
    }

    /**
     * @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 || ERC721.isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     d*
     * - `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);

        _holderTokens[to].add(tokenId);

        _tokenOwners.set(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); // internal owner

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

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

        // Clear metadata (if any)
        if (bytes(_tokenURIs[tokenId]).length != 0) {
            delete _tokenURIs[tokenId];
        }

        _holderTokens[owner].remove(tokenId);

        _tokenOwners.remove(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"); // internal owner
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

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

        _holderTokens[from].remove(tokenId);
        _holderTokens[to].add(tokenId);

        _tokenOwners.set(tokenId, to);

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
        require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

    /**
     * @dev Internal function to set the base URI for all token IDs. It is
     * automatically added as a prefix to the value returned in {tokenURI},
     * or to the token ID if {tokenURI} is empty.
     */
    function _setBaseURI(string memory baseURI_) internal virtual {
        _baseURI = baseURI_;
    }

    /**
     * @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()) {
            return true;
        }
        bytes memory returndata = to.functionCall(abi.encodeWithSelector(
            IERC721Receiver(to).onERC721Received.selector,
            _msgSender(),
            from,
            tokenId,
            _data
        ), "ERC721: transfer to non ERC721Receiver implementer");
        bytes4 retval = abi.decode(returndata, (bytes4));
        return (retval == _ERC721_RECEIVED);
    }

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

    /**
     * @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 { }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 GSN 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 payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

import "../../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 >=0.6.2 <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 >=0.6.2 <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 >=0.6.0 <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 >=0.6.0 <0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts may inherit from this and call {_registerInterface} to declare
 * their support of an interface.
 */
abstract contract ERC165 is IERC165 {
    /*
     * bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
     */
    bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;

    /**
     * @dev Mapping of interface ids to whether or not it's supported.
     */
    mapping(bytes4 => bool) private _supportedInterfaces;

    constructor () internal {
        // Derived contracts need only register support for their own interfaces,
        // we register support for ERC165 itself here
        _registerInterface(_INTERFACE_ID_ERC165);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     *
     * Time complexity O(1), guaranteed to always use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return _supportedInterfaces[interfaceId];
    }

    /**
     * @dev Registers the contract as an implementer of the interface defined by
     * `interfaceId`. Support of the actual ERC165 interface is automatic and
     * registering its interface id is not required.
     *
     * See {IERC165-supportsInterface}.
     *
     * Requirements:
     *
     * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
     */
    function _registerInterface(bytes4 interfaceId) internal virtual {
        require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
        _supportedInterfaces[interfaceId] = true;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <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;
        // solhint-disable-next-line no-inline-assembly
        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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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;

            // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            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] = toDeleteIndex + 1; // All indexes are 1-based

            // 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) {
        require(set._values.length > index, "EnumerableSet: index out of bounds");
        return set._values[index];
    }

    // 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);
    }

    // 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))));
    }


    // 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));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing an enumerable variant of Solidity's
 * https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
 * type.
 *
 * Maps have the following properties:
 *
 * - Entries are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Entries are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableMap for EnumerableMap.UintToAddressMap;
 *
 *     // Declare a set state variable
 *     EnumerableMap.UintToAddressMap private myMap;
 * }
 * ```
 *
 * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are
 * supported.
 */
library EnumerableMap {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Map type with
    // bytes32 keys and values.
    // The Map implementation uses private functions, and user-facing
    // implementations (such as Uint256ToAddressMap) are just wrappers around
    // the underlying Map.
    // This means that we can only create new EnumerableMaps for types that fit
    // in bytes32.

    struct MapEntry {
        bytes32 _key;
        bytes32 _value;
    }

    struct Map {
        // Storage of map keys and values
        MapEntry[] _entries;

        // Position of the entry defined by a key in the `entries` array, plus 1
        // because index 0 means a key is not in the map.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
        // We read and store the key's index to prevent multiple reads from the same storage slot
        uint256 keyIndex = map._indexes[key];

        if (keyIndex == 0) { // Equivalent to !contains(map, key)
            map._entries.push(MapEntry({ _key: key, _value: value }));
            // The entry is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            map._indexes[key] = map._entries.length;
            return true;
        } else {
            map._entries[keyIndex - 1]._value = value;
            return false;
        }
    }

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

        if (keyIndex != 0) { // Equivalent to contains(map, key)
            // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one
            // in the array, and then remove the last entry (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = keyIndex - 1;
            uint256 lastIndex = map._entries.length - 1;

            // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            MapEntry storage lastEntry = map._entries[lastIndex];

            // Move the last entry to the index where the entry to delete is
            map._entries[toDeleteIndex] = lastEntry;
            // Update the index for the moved entry
            map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved entry was stored
            map._entries.pop();

            // Delete the index for the deleted slot
            delete map._indexes[key];

            return true;
        } else {
            return false;
        }
    }

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

    /**
     * @dev Returns the number of key-value pairs in the map. O(1).
     */
    function _length(Map storage map) private view returns (uint256) {
        return map._entries.length;
    }

   /**
    * @dev Returns the key-value pair stored at position `index` in the map. O(1).
    *
    * Note that there are no guarantees on the ordering of entries inside the
    * array, and it may change when more entries are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
        require(map._entries.length > index, "EnumerableMap: index out of bounds");

        MapEntry storage entry = map._entries[index];
        return (entry._key, entry._value);
    }

    /**
     * @dev Tries to returns the value associated with `key`.  O(1).
     * Does not revert if `key` is not in the map.
     */
    function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
        uint256 keyIndex = map._indexes[key];
        if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key)
        return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based
    }

    /**
     * @dev Returns the value associated with `key`.  O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function _get(Map storage map, bytes32 key) private view returns (bytes32) {
        uint256 keyIndex = map._indexes[key];
        require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key)
        return map._entries[keyIndex - 1]._value; // All indexes are 1-based
    }

    /**
     * @dev Same as {_get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {_tryGet}.
     */
    function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
        uint256 keyIndex = map._indexes[key];
        require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)
        return map._entries[keyIndex - 1]._value; // All indexes are 1-based
    }

    // UintToAddressMap

    struct UintToAddressMap {
        Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
        return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
    }

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

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

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

   /**
    * @dev Returns the element 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(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
        (bytes32 key, bytes32 value) = _at(map._inner, index);
        return (uint256(key), address(uint160(uint256(value))));
    }

    /**
     * @dev Tries to returns the value associated with `key`.  O(1).
     * Does not revert if `key` is not in the map.
     *
     * _Available since v3.4._
     */
    function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
        (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
        return (success, address(uint160(uint256(value))));
    }

    /**
     * @dev Returns the value associated with `key`.  O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
        return address(uint160(uint256(_get(map._inner, bytes32(key)))));
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
        return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    /**
     * @dev Converts a `uint256` to its ASCII `string` 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);
        uint256 index = digits - 1;
        temp = value;
        while (temp != 0) {
            buffer[index--] = bytes1(uint8(48 + temp % 10));
            temp /= 10;
        }
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 ^0.6.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMathChainlink {
  /**
    * @dev Returns the addition of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `+` operator.
    *
    * Requirements:
    * - Addition cannot overflow.
    */
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    require(c >= a, "SafeMath: addition overflow");

    return c;
  }

  /**
    * @dev Returns the subtraction of two unsigned integers, reverting on
    * overflow (when the result is negative).
    *
    * Counterpart to Solidity's `-` operator.
    *
    * Requirements:
    * - Subtraction cannot overflow.
    */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b <= a, "SafeMath: subtraction overflow");
    uint256 c = a - b;

    return c;
  }

  /**
    * @dev Returns the multiplication of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `*` operator.
    *
    * Requirements:
    * - Multiplication cannot overflow.
    */
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
    // benefit is lost if 'b' is also tested.
    // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
    if (a == 0) {
      return 0;
    }

    uint256 c = a * b;
    require(c / a == b, "SafeMath: multiplication overflow");

    return c;
  }

  /**
    * @dev Returns the integer division of two unsigned integers. Reverts on
    * division by zero. The result is rounded towards zero.
    *
    * Counterpart to Solidity's `/` operator. Note: this function uses a
    * `revert` opcode (which leaves remaining gas untouched) while Solidity
    * uses an invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    * - The divisor cannot be zero.
    */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // Solidity only automatically asserts when dividing by 0
    require(b > 0, "SafeMath: division by zero");
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold

    return c;
  }

  /**
    * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
    * Reverts when dividing by zero.
    *
    * Counterpart to Solidity's `%` operator. This function uses a `revert`
    * opcode (which leaves remaining gas untouched) while Solidity uses an
    * invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    * - The divisor cannot be zero.
    */
  function mod(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b != 0, "SafeMath: modulo by zero");
    return a % b;
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

interface LinkTokenInterface {
  function allowance(address owner, address spender) external view returns (uint256 remaining);
  function approve(address spender, uint256 value) external returns (bool success);
  function balanceOf(address owner) external view returns (uint256 balance);
  function decimals() external view returns (uint8 decimalPlaces);
  function decreaseApproval(address spender, uint256 addedValue) external returns (bool success);
  function increaseApproval(address spender, uint256 subtractedValue) external;
  function name() external view returns (string memory tokenName);
  function symbol() external view returns (string memory tokenSymbol);
  function totalSupply() external view returns (uint256 totalTokensIssued);
  function transfer(address to, uint256 value) external returns (bool success);
  function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool success);
  function transferFrom(address from, address to, uint256 value) external returns (bool success);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

contract VRFRequestIDBase {

  /**
   * @notice returns the seed which is actually input to the VRF coordinator
   *
   * @dev To prevent repetition of VRF output due to repetition of the
   * @dev user-supplied seed, that seed is combined in a hash with the
   * @dev user-specific nonce, and the address of the consuming contract. The
   * @dev risk of repetition is mostly mitigated by inclusion of a blockhash in
   * @dev the final seed, but the nonce does protect against repetition in
   * @dev requests which are included in a single block.
   *
   * @param _userSeed VRF seed input provided by user
   * @param _requester Address of the requesting contract
   * @param _nonce User-specific nonce at the time of the request
   */
  function makeVRFInputSeed(bytes32 _keyHash, uint256 _userSeed,
    address _requester, uint256 _nonce)
    internal pure returns (uint256)
  {
    return  uint256(keccak256(abi.encode(_keyHash, _userSeed, _requester, _nonce)));
  }

  /**
   * @notice Returns the id for this request
   * @param _keyHash The serviceAgreement ID to be used for this request
   * @param _vRFInputSeed The seed to be passed directly to the VRF
   * @return The id for this request
   *
   * @dev Note that _vRFInputSeed is not the seed passed by the consuming
   * @dev contract, but the one generated by makeVRFInputSeed
   */
  function makeRequestId(
    bytes32 _keyHash, uint256 _vRFInputSeed) internal pure returns (bytes32) {
    return keccak256(abi.encodePacked(_keyHash, _vRFInputSeed));
  }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_VRFCoordinator","type":"address"},{"internalType":"address","name":"_LINKToken","type":"address"},{"internalType":"bytes32","name":"_keyHash","type":"bytes32"},{"internalType":"uint256","name":"_mintFeePerToken","type":"uint256"},{"internalType":"uint256","name":"_maxVogu","type":"uint256"},{"internalType":"string","name":"_defaultURI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"seed","type":"uint256"}],"name":"VoguSeed","type":"event"},{"inputs":[],"name":"LIMIT_TOKEN_PER_TX","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_VOGU","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINT_FEE_PER_TOKEN","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_specialURI","type":"string"}],"name":"earlyMintVugo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"metadataOf","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"numberToken","type":"uint256"}],"name":"mintVogu","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proven","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_proven","type":"bytes32"}],"name":"provenHash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"requestId","type":"bytes32"},{"internalType":"uint256","name":"randomness","type":"uint256"}],"name":"rawFulfillRandomness","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"seed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_defaultURI","type":"string"}],"name":"setDefaultURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintFeePerToken","type":"uint256"}],"name":"setMintFee","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_specicalURI","type":"string"}],"name":"setSpecialURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"specialURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"toggleActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

-----Decoded View---------------
Arg [0] : _VRFCoordinator (address): 0xf0d54349aDdcf704F77AE15b96510dEA15cb7952
Arg [1] : _LINKToken (address): 0x514910771AF9Ca656af840dff83E8264EcF986CA
Arg [2] : _keyHash (bytes32): 0xaa77729d3466ca35ae8d28b3bbac7cc36a5031efdc430821c02bc31a238af445
Arg [3] : _mintFeePerToken (uint256): 77000000000000000
Arg [4] : _maxVogu (uint256): 7777
Arg [5] : _defaultURI (string): ipfs://QmcDWjz5927QQK5GuB3b1LkYmNKQoB9MfTP4wiip7ctmiq

-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 000000000000000000000000f0d54349addcf704f77ae15b96510dea15cb7952
Arg [1] : 000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca
Arg [2] : aa77729d3466ca35ae8d28b3bbac7cc36a5031efdc430821c02bc31a238af445
Arg [3] : 00000000000000000000000000000000000000000000000001118f178fb48000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000001e61
Arg [5] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000035
Arg [7] : 697066733a2f2f516d6344576a7a3539323751514b354775423362314c6b596d
Arg [8] : 4e4b516f42394d66545034776969703763746d69710000000000000000000000