Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

// Developed by Thanic® Tech Labs


pragma solidity ^0.8.9;

import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "../KahiruMK.sol";
import "./KahiruStaking.sol";
import "./AbstractERC1155Factory.sol";

contract Manuscript is AbstractERC1155Factory{

    NFTStaking staking;
    KahiruF NFT;

    uint256 constant MAX_SUPPLY = 7222;

    uint8 maxPerWallet = 1;
    uint8 maxPerTx = 1;

    mapping(address => bool) wlcontrollers;
    mapping(address => bool) controllers;
    mapping(address => uint256) public purchaseTxs;

    event Purchased(uint256 indexed index, address indexed account, uint256 amount);

    constructor(
        string memory _name,
        string memory _symbol,
        string memory _uri,
        KahiruF _nft,
        NFTStaking _staking
    ) ERC1155(_uri){
        name_ = _name;
        symbol_ = _symbol;
        staking = _staking;
        NFT = _nft;
    }


    function purchase(uint256 tokenId) external payable whenNotPaused {
        require(purchaseTxs[msg.sender] < maxPerWallet , "max wallet amount exceeded");
        address owner1 = NFT.ownerDetails(tokenId).addr;
        uint64 timeHold = NFT.ownerDetails(tokenId).startTimestamp;
        (, uint48 timeStake , , address owner2, ) = staking.vault(tokenId);
        require(owner1 == msg.sender || owner2 == msg.sender, "You are not the owner");
        uint256 dif1 = block.timestamp - timeHold;
        uint256 dif2 = block.timestamp - timeStake;

        if(timeStake != 0){
          if (dif1 > 2592000 || dif2 > 2592000){
            _purchase(1);
          }
          else{
            uint256 restante = 0;
            if(dif1 > dif2){
              restante = 2592000 - dif1;
              revert("You dont hold or stake for more than 30 days");
            }
            else{
              restante = 2592000 - dif2;
              revert("You dont hold or stake for more than 30 days");
            }
          }
        }
        if(timeStake == 0){
          if(timeHold != 0){
            if (dif1 > 2592000){
              _purchase(1);
            }
            else{
              uint256 restante = 0;
              restante = 2592000 - dif1;
              revert("You dont hold or stake for more than 30 days");
            }
          }
          else{
            uint256 restante = 0;
            if(dif1 > dif2){
              restante = 2592000 - dif1;
              revert("You dont hold or stake for more than 30 days");
            }
            else{
              restante = 2592000 - dif2;
              revert("You dont hold or stake for more than 30 days");
            }
          }
        }
    }

    function purchaseController(uint256 _ammount) external payable whenNotPaused {
      require(controllers[msg.sender], "Only controllers can call this function");
      _purchase(_ammount);
    }

    function purchaseExcepts() external payable whenNotPaused {
      require(wlcontrollers[msg.sender], "Only controllers can call this function");
      _purchase(1);
      wlcontrollers[msg.sender] = false;
    }

    function earningInfo(uint256 tokenId) external view returns (uint256 total, bool permission) {
        address owner1 = NFT.ownerDetails(tokenId).addr;
        uint64 timeHold = NFT.ownerDetails(tokenId).startTimestamp;
        (, uint48 timeStake , , address owner2, ) = staking.vault(tokenId);
        uint256 dif1 = block.timestamp - timeHold;
        uint256 dif2 = block.timestamp - timeStake;
        if(timeStake != 0){
          if (dif1 > 2592000 || dif2 > 2592000){
            return(0, true);
          }
          else{
            uint256 restante = 0;
            if(dif1 > dif2){
              restante = 2592000 - dif1;
              return(restante, false);
            }
            else{
              restante = 2592000 - dif2;
              return(restante, false);
            }
          }
        }
        if(timeStake == 0){
          if(timeHold != 0){
            if (dif1 > 2592000){
              return(0, true);
            }
            else{
              uint256 restante = 0;
              restante = 2592000 - dif1;
              return(restante, false);
            }
          }
          else{
            uint256 restante = 0;
            if(dif1 > dif2){
              restante = 2592000 - dif1;
              return(restante, false);
            }
            else{
              restante = 2592000 - dif2;
              return(restante, false);
            }
          }
        }
    }

    function Stakedinfo(uint256 tokenId) external view returns (uint256 total1, uint256 total2,  bool permission) {
        address owner1 = NFT.ownerDetails(tokenId).addr;
        uint64 timeHold = NFT.ownerDetails(tokenId).startTimestamp;
        (, uint48 timeStake , , address owner2, ) = staking.vault(tokenId);
        uint256 dif1 = block.timestamp - timeHold;
        uint256 dif2 = block.timestamp - timeStake;
        return(dif1, dif2, true);
    }


    function _purchase(uint256 amount) private {
        require(totalSupply(0) + amount <= MAX_SUPPLY, "Purchase: Max supply reached");
        purchaseTxs[msg.sender] += 1;

        _mint(msg.sender, 0, amount, "");
        emit Purchased(0, msg.sender, amount);
    }


    function burn(
        address account,
        uint256 id,
        uint256 value
    ) public virtual override {
        require(
            account == _msgSender() || isApprovedForAll(account, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );

        _burn(account, id, value);
    }

    function burnBatch(
        address account,
        uint256[] memory ids,
        uint256[] memory values
    ) public virtual override {
        require(
            account == _msgSender() || isApprovedForAll(account, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );

        _burnBatch(account, ids, values);
    }

    function uri(uint256 _id) public view override returns (string memory) {
            require(exists(_id), "URI: nonexistent token");

            return string(abi.encodePacked(super.uri(_id), Strings.toString(_id)));
    }

    function addController(address controller) external onlyOwner {
      controllers[controller] = true;
    }

    function removeController(address controller) external onlyOwner {
      controllers[controller] = false;
    }

    function addWlController(address controller) external onlyOwner {
      wlcontrollers[controller] = true;
    }

    function removeWlController(address controller) external onlyOwner {
      wlcontrollers[controller] = false;
    }

    // ROYALTIES //

    function royaltyInfo(uint256, uint256 salePrice) external view
    returns (address receiver, uint256 royaltyAmount)
  {
    return (address(this), (salePrice * 650) / 10000);
  }

}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.9;

import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Burnable.sol';
import '@openzeppelin/contracts/security/Pausable.sol';
import '@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Supply.sol';

abstract contract AbstractERC1155Factory is Pausable, ERC1155Supply, ERC1155Burnable, Ownable {

    string name_;
    string symbol_;   

    function pause() external onlyOwner {
        _pause();
    }

    function unpause() external onlyOwner {
        _unpause();
    }    

    function setURI(string memory baseURI) external onlyOwner {
        _setURI(baseURI);
    }    

    function name() public view returns (string memory) {
        return name_;
    }

    function symbol() public view returns (string memory) {
        return symbol_;
    }          

    function _beforeTokenTransfer(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual override(ERC1155, ERC1155Supply) {
        super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
    }  
}

// SPDX-License-Identifier: MIT LICENSE
// Developed by Thanic® Tech Labs

pragma solidity 0.8.9;

import "./StoneParticles.sol";
import "../KahiruMK.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/utils/Strings.sol";

contract NFTStaking is Ownable, IERC721Receiver {

  uint256 public totalStaked;


  
  struct Stake {
    uint24 tokenId;
    uint48 timestamp;
    uint256 cycles;
    address owner;
    uint8 rarity;
  }

  event NFTStaked(address owner, uint256 tokenId, uint256 value);
  event NFTUnstaked(address owner, uint256 tokenId, uint256 value);
  event Claimed(address owner, uint256 amount);

  KahiruF nft;
  StoneParticles token;

  mapping(uint256 => Stake) public vault;
  mapping(bytes => bool) public signatureUsed;

   constructor(KahiruF _nft, StoneParticles _token) { 
    nft = _nft;
    token = _token;
  }

  function stake(uint256[] calldata tokenIds,uint8[] calldata rarity, bytes32 hash, bytes memory signature) external {
    require(recoverSigner(hash, signature), "Sign not valid");
    require(!signatureUsed[signature], "Signature has already been used.");
    uint256 tokenId;
    totalStaked += tokenIds.length;
    for (uint i = 0; i < tokenIds.length; i++) {
      tokenId = tokenIds[i];
      require(nft.ownerOf(tokenId) == msg.sender, "not your token");
      require(vault[tokenId].tokenId == 0, 'already staked');

      nft.transferFrom(msg.sender, address(this), tokenId);
      emit NFTStaked(msg.sender, tokenId, block.timestamp);

      vault[tokenId] = Stake({
        owner: msg.sender,
        tokenId: uint24(tokenId),
        cycles: 0,
        timestamp: uint48(block.timestamp),
        rarity: rarity[i]
      });
    }
    signatureUsed[signature] = true;
  }

  function _unstakeMany(address account, uint256[] calldata tokenIds) internal {
    uint256 tokenId;
    totalStaked -= tokenIds.length;
    for (uint i = 0; i < tokenIds.length; i++) {
      tokenId = tokenIds[i];
      Stake memory staked = vault[tokenId];
      require(staked.owner == msg.sender, "not an owner");

      delete vault[tokenId];
      emit NFTUnstaked(account, tokenId, block.timestamp);
      nft.transferFrom(address(this), account, tokenId);
    }
  }

  function claim(uint256[] calldata tokenIds) external {
      _claim(msg.sender, tokenIds, false);
  }

  function claimForAddress(address account, uint256[] calldata tokenIds) external {
      _claim(account, tokenIds, false);
  }

  function unstake(uint256[] calldata tokenIds) external {
      _claim(msg.sender, tokenIds, true);
  }

  function _claim(address account, uint256[] calldata tokenIds, bool _unstake) internal{
     uint256 tokenId;
     uint256 earned = 0;
     uint256 withdraw = 0;
     uint256 _cycles = 0;
     uint256 bonus = 0;
     uint256 ammount = 0;
     uint256 rarityrewards = 0; 


    for (uint i = 0; i < tokenIds.length; i++) {
      tokenId = tokenIds[i];
      Stake memory staked = vault[tokenId];
      require(staked.owner == account, "not an owner");
      uint256 stakedAt = staked.timestamp; 
      _cycles = ((block.timestamp - stakedAt) / 86400);
      staked.cycles = _cycles;
      ammount = 7 * _cycles;
      rarityrewards = _cycles/7;
      if (staked.rarity == 0){
        bonus = 2 * rarityrewards;
      }
      if (staked.rarity == 1){
        bonus = 5 * rarityrewards;
      }
      if (staked.rarity == 2){
        bonus = 15 * rarityrewards;
      }
      withdraw = withdraw + ammount + bonus;
    }
    earned = withdraw * (1 ether);
    if (earned > 0) {
      token.mint(account, earned);
    }
    if (_unstake) {
      _unstakeMany(account, tokenIds);
    }
    emit Claimed(account, earned);
  }

  function earningInfo(address account, uint256[] calldata tokenIds) external view returns (uint256[1] memory info, uint256 cycles, uint256 total) {
     uint256 tokenId;
     uint256 earned = 0;
     uint256 withdraw = 0;
     uint256 _cycles = 0;
     uint256 bonus = 0;
     uint256 ammount = 0;
     uint256 rarityrewards = 0; 

    for (uint i = 0; i < tokenIds.length; i++) {
      tokenId = tokenIds[i];
      Stake memory staked = vault[tokenId];
      require(staked.owner == account, "not an owner");
      uint256 stakedAt = staked.timestamp; 
      _cycles = ((block.timestamp - stakedAt) / 86400);
      staked.cycles = _cycles;
      ammount = 7 * _cycles;
      rarityrewards = _cycles/7;
      if (staked.rarity == 0){
        bonus = 2 * rarityrewards;
      }
      if (staked.rarity == 1){
        bonus = 5 * rarityrewards;
      }
      if (staked.rarity == 2){
        bonus = 15 * rarityrewards;
      }
      withdraw = withdraw + ammount + bonus;
    }
    earned = withdraw * (1 ether);

    if (earned > 0) {
      return ([earned],_cycles, bonus);
    }
}

  function balanceOf(address account) public view returns (uint256) {
    uint256 balance = 0;
    uint256 supply = nft.totalSupply();
    for(uint i = 0; i <= supply; i++) {
      if (vault[i].owner == account) {
        balance += 1;
      }
    }
    return balance;
  }


  function tokensOfOwner(address account) public view returns (uint256[] memory ownerTokens) {

    uint256 supply = nft.totalSupply();
    uint256[] memory tmp = new uint256[](supply);

    uint256 index = 0;
    for(uint tokenId = 0; tokenId <= supply; tokenId++) {
      if (vault[tokenId].owner == account) {
        tmp[index] = vault[tokenId].tokenId;
        index +=1;
      }
    }

    uint256[] memory tokens = new uint256[](index);
    for(uint i = 0; i < index; i++) {
      tokens[i] = tmp[i];
    }

    return tokens;
  }

  function recoverSigner(bytes32 hash, bytes memory signature) private pure returns (bool) {
    bytes32 messageDigest = keccak256(
        abi.encodePacked(
            "\x19Ethereum Signed Message:\n32", 
            hash
        )
    );
    if (ECDSA.recover(messageDigest, signature) == 0x0aC6119362e892aeA0025BF00182CaD3673A9c79){
      return true;
    }
    else{
      return false;
    }
}

  function divide(uint256 uno) public pure returns (uint256) {

        uint division = uno / 20;
        return division;
    }

  function onERC721Received(
        address,
        address from,
        uint256,
        bytes calldata
    ) external pure override returns (bytes4) {
      require(from == address(0x0), "Cannot send nfts to Vault directly");
      return IERC721Receiver.onERC721Received.selector;
    }
  
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.9;

import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/security/ReentrancyGuard.sol';
import '@openzeppelin/contracts/utils/Counters.sol';
import 'erc721a/contracts/ERC721A.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/utils/cryptography/ECDSA.sol';
import '@openzeppelin/contracts/utils/cryptography/MerkleProof.sol';

contract KahiruF is ERC721A, ReentrancyGuard, Ownable {
    using Counters for Counters.Counter;  
    using Address for address;
    using ECDSA for bytes32;
    
    // Starting and stopping sale // Empezar y parar etapas
    bool public saleActive = false;
    bool public whitelistActive = false;
    bool public raffleActive = false;

    // Reserved for the team, customs, giveaways, collabs and so on // Reservado para equipo y otros
    uint256 public reserved = 222;

    // Price of each token // Precio inicial mint
    uint256 public Wl_price = 0.12 ether; // Price of Whitelisted Mints
    uint256 public Raffle_price = 0.14 ether; // Price of Raffled Mints

    // Public Sale Key // Key para verificación extra
    string publicKey; // Will change to hash instead of int

    // Maximum limit of tokens that can ever exist // Número de Tokens
    mapping(address => uint256) private mintCountMap;
    mapping(address => uint256) private allowedMintCountMap;
    
    uint256 public constant MAX_SUPPLY = 7222;
    uint256 public constant MAX_WL_SUPPLY = 5000;
    uint256 public constant MINT_LIMIT_PER_WALLET = 1;

    function max(uint256 a, uint256 b) private pure returns (uint256) {
    return a >= b ? a : b;
    }

    function allowedMintCount(address minter) public view returns (uint256) {
        if (saleActive || whitelistActive || raffleActive) {
        return (
            max(allowedMintCountMap[minter], MINT_LIMIT_PER_WALLET) -
            mintCountMap[minter]
        );
        }

        return allowedMintCountMap[minter] - mintCountMap[minter];
    }

    function updateMintCount(address minter, uint256 count) private {
        mintCountMap[minter] += count;
    }

    // The base link that leads to the image / video of the token // URL del arte-metadata
    //string public baseTokenURI = "https://api.kahiru.io/";
    string public baseTokenURI = "https://www.721.so/api/example/metadata/";

    // Team addresses for withdrawals // Carteras de retirada de balance
    address public a1;

    // List of addresses that have a number of reserved tokens for whitelist // Lista de direcciones para Whitelist y Raffle
    bytes32 private _whitelistMerkleRoot = 0xa55ed0edb0fc32171feb79ad2dc5b1551a4765612ce344057f1166c7ddcb7111;
    bytes32 private _whitelistNeutralMerkleRoot = 0x52551a51441048412a12edf749d65363e41af37ba1969a62caba0e45e39792bf;
    bytes32 private _raffleMerkleRoot = 0x420041bc817938d28f6ec183b5057d7189de1a99a5b6d3f6b33980a92b153d06;

    constructor () ERC721A ("Kahiru", "KAHIRU") {
    }

    // Override so the openzeppelin tokenURI() method will use this method to create the full tokenURI instead // Reemplazar URI
    function _baseURI() internal view virtual override returns (string memory) {
        return baseTokenURI;
    }

    // Exclusive whitelist minting // Función mint con Whitelist
    Counters.Counter private supplyCounter;

    function mintWhitelist(bytes32[] memory proof, string memory _pass) public payable nonReentrant {
        uint256 quantity = 1;
        uint256 supply = totalSupply();
        require( whitelistActive,                   "Whitelist isn't active" );
        require(
            MerkleProof.verify(
                proof,
                _whitelistMerkleRoot,
                keccak256(abi.encodePacked(msg.sender))
            ),
            "Whitelist validation failed"
        );
        require( keccak256(abi.encodePacked(publicKey)) == keccak256(abi.encodePacked(_pass)), "Key error"); // Key verifying web3 call // Key que "Verifica" la llamada al contract desde la web3
        require( supply + quantity <= MAX_WL_SUPPLY,    "Can't mint more than WL supply" );
        require( supply + quantity <= MAX_SUPPLY,    "Can't mint more than max supply" );
        require( msg.value == Wl_price * quantity,      "Wrong amount of ETH sent" );
        if (allowedMintCount(msg.sender) >= 1) {
        updateMintCount(msg.sender, 1);
        } else {
        revert("Minting limit exceeded");
        }
        _safeMint( msg.sender, quantity);
        
    }

    // Exclusive Neutral whitelist minting // Función mint con Neutral Whitelist

    function mintNeutralWhitelist(bytes32[] memory proof, uint256 quantity, string memory _pass) public payable nonReentrant {
        uint256 supply = totalSupply();
        require( whitelistActive,                   "Whitelist isn't active" );
        require(
            MerkleProof.verify(
                proof,
                _whitelistNeutralMerkleRoot,
                keccak256(abi.encodePacked(msg.sender))
            ),
            "Neutral Whitelist validation failed"
        );
        require( keccak256(abi.encodePacked(publicKey)) == keccak256(abi.encodePacked(_pass)), "Key error"); // Key verifying web3 call // Key que "Verifica" la llamada al contract desde la web3
        require( quantity > 0,            "Can't mint less than one" );
        require( quantity <= 2,            "Can't mint more than reserved" );
        require( supply + quantity <= MAX_WL_SUPPLY,    "Can't mint more than WL supply" );
        require( supply + quantity <= MAX_SUPPLY,    "Can't mint more than max supply" );
        require( msg.value == Wl_price * quantity,      "Wrong amount of ETH sent" );
        if (allowedMintCount(msg.sender) >= 1) {
        updateMintCount(msg.sender, 1);
        } else {
        revert("Minting limit exceeded");
        }
        _safeMint( msg.sender, quantity);
    }

    // Exclusive raffle minting // Función mint con Whitelist
    function mintRafflelist(bytes32[] memory proof, string memory _pass) public payable nonReentrant {
        uint256 quantity = 1;
        uint256 supply = totalSupply();
        require( raffleActive,                   "Raffle isn't active" );
        require(
            MerkleProof.verify(
                proof,
                _raffleMerkleRoot,
                keccak256(abi.encodePacked(msg.sender))
            ),
            "Raffle validation failed"
        );
        require( keccak256(abi.encodePacked(publicKey)) == keccak256(abi.encodePacked(_pass)), "Key error"); // Key verifying web3 call // Key que "Verifica" la llamada al contract desde la web3
        require( supply + quantity <= MAX_SUPPLY-reserved,    "Can't mint more than max supply" );
        require( msg.value == Raffle_price * quantity,      "Wrong amount of ETH sent" );
        if (allowedMintCount(msg.sender) >= 1) {
        updateMintCount(msg.sender, 1);
        } else {
        revert("Minting limit exceeded");
        }
        _safeMint( msg.sender, quantity);
    
    }

    // Standard mint function // Mint normal sin restricción de dirección

    function mintToken() public payable nonReentrant {
        uint256 supply = totalSupply();
        require( saleActive,                "Sale isn't active" );
        require( msg.value >= Raffle_price,      "Wrong amount of ETH sent" );
        require( supply + 1 <= MAX_SUPPLY,    "Can't mint more than max supply" );
        _safeMint( msg.sender, 1 );

    }

    // Admin minting function to reserve tokens for the team, collabs, customs and giveaways // Función de minteo de los admins
    function mintReserved(uint256 quantity) public onlyOwner {
        // Limited to a publicly set amount
        uint256 supply = totalSupply();
        require( quantity <= reserved, "Can't reserve more than set amount" );
        require( supply + quantity <= MAX_SUPPLY,    "Can't mint more than max supply" );
        reserved -= quantity;
        _safeMint( msg.sender, quantity );
    }


    function setMerkleRaffle(bytes32 root1) public onlyOwner {
        _raffleMerkleRoot = root1;
    }

    function setMerkleWL(bytes32 root2) public onlyOwner {
        _whitelistMerkleRoot = root2;
    }

    function setMerkleWN(bytes32 root3) public onlyOwner {
        _whitelistNeutralMerkleRoot = root3;
    }

    // Start and stop whitelist // Función que activa y desactiva el minteo por Whitelist
    function setWhitelistActive(bool val) public onlyOwner {
        whitelistActive = val;
    }

    // Start and stop raffle // Función que activa y desactiva el minteo por Raffle
    function setRaffleActive(bool val) public onlyOwner {
        raffleActive = val;
    }

    // Start and stop sale // Función que activa y desactiva el minteo por venta genérica
    function setSaleActive(bool val) public onlyOwner {
        saleActive = val;
    }

    // Set new baseURI // Función para setear baseURI
    function setBaseURI(string memory baseURI) public onlyOwner {
        baseTokenURI = baseURI;
    }

    // Set public key // Función para cambio de key publica
    function setPublicKey(string memory newKey) public onlyOwner {
        publicKey = newKey;
    }

    function setWithdrawAdress(address ledger) external onlyOwner nonReentrant {
        a1 = ledger;
    }

    function withdrawMoney() external onlyOwner nonReentrant {
        (bool success, ) = a1.call{value: address(this).balance}("");
        require(success, "Transfer failed.");
    }

    function ownerDetails(uint256 tokenId) external view returns (TokenOwnership memory) {
        return _ownerships[tokenId];
    }

    // ROYALTIES //

    function royaltyInfo(uint256, uint256 salePrice) external view
    returns (address receiver, uint256 royaltyAmount)
  {
    return (address(this), (salePrice * 600) / 10000);
  }

}

// Developed by Thanic® Tech Labs

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

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Trees proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

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

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must 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 Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT LICENSE
// Developed by Thanic® Tech Labs

pragma solidity 0.8.9;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";


contract StoneParticles is ERC20, ERC20Burnable, Ownable {

  mapping(address => bool) controllers;
  
  constructor() ERC20("Stone Particles", "SP") { }

  function mint(address to, uint256 amount) external {
    require(controllers[msg.sender], "Only controllers can mint");
    _mint(to, amount);
  }

  function burnFrom(address account, uint256 amount) public override {
      if (controllers[msg.sender]) {
          _burn(account, amount);
      }
      else {
          super.burnFrom(account, amount);
      }
  }

  function addController(address controller) external onlyOwner {
    controllers[controller] = true;
  }

    function transfer(address to, uint tokens) onlyOwner public override returns (bool success) {
        require(controllers[msg.sender], "Only controllers can transfer");
        emit Transfer(msg.sender, to, tokens);
        return true;
    }

    function transferFrom(address from, address to, uint tokens) onlyOwner public override returns (bool success) {
        require(controllers[msg.sender], "Only controllers can transfer");
        emit Transfer(from, to, tokens);
        return true;
    }

  function removeController(address controller) external onlyOwner {
    controllers[controller] = false;
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/extensions/ERC1155Supply.sol)

pragma solidity ^0.8.0;

import "../ERC1155.sol";

/**
 * @dev Extension of ERC1155 that adds tracking of total supply per id.
 *
 * Useful for scenarios where Fungible and Non-fungible tokens have to be
 * clearly identified. Note: While a totalSupply of 1 might mean the
 * corresponding is an NFT, there is no guarantees that no other token with the
 * same id are not going to be minted.
 */
abstract contract ERC1155Supply is ERC1155 {
    mapping(uint256 => uint256) private _totalSupply;

    /**
     * @dev Total amount of tokens in with a given id.
     */
    function totalSupply(uint256 id) public view virtual returns (uint256) {
        return _totalSupply[id];
    }

    /**
     * @dev Indicates whether any token exist with a given id, or not.
     */
    function exists(uint256 id) public view virtual returns (bool) {
        return ERC1155Supply.totalSupply(id) > 0;
    }

    /**
     * @dev See {ERC1155-_beforeTokenTransfer}.
     */
    function _beforeTokenTransfer(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual override {
        super._beforeTokenTransfer(operator, from, to, ids, amounts, data);

        if (from == address(0)) {
            for (uint256 i = 0; i < ids.length; ++i) {
                _totalSupply[ids[i]] += amounts[i];
            }
        }

        if (to == address(0)) {
            for (uint256 i = 0; i < ids.length; ++i) {
                uint256 id = ids[i];
                uint256 amount = amounts[i];
                uint256 supply = _totalSupply[id];
                require(supply >= amount, "ERC1155: burn amount exceeds totalSupply");
                unchecked {
                    _totalSupply[id] = supply - amount;
                }
            }
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

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

    bool private _paused;

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/ERC1155Burnable.sol)

pragma solidity ^0.8.0;

import "../ERC1155.sol";

/**
 * @dev Extension of {ERC1155} that allows token holders to destroy both their
 * own tokens and those that they have been approved to use.
 *
 * _Available since v3.1._
 */
abstract contract ERC1155Burnable is ERC1155 {
    function burn(
        address account,
        uint256 id,
        uint256 value
    ) public virtual {
        require(
            account == _msgSender() || isApprovedForAll(account, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );

        _burn(account, id, value);
    }

    function burnBatch(
        address account,
        uint256[] memory ids,
        uint256[] memory values
    ) public virtual {
        require(
            account == _msgSender() || isApprovedForAll(account, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );

        _burnBatch(account, ids, values);
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/utils/Context.sol';
import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/utils/introspection/ERC165.sol';

error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerQueryForNonexistentToken();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension. Built to optimize for lower gas during batch mints.
 *
 * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
 *
 * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 *
 * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Compiler will pack this into a single 256bit word.
    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Keeps track of the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
    }

    // Compiler will pack this into a single 256bit word.
    struct AddressData {
        // Realistically, 2**64-1 is more than enough.
        uint64 balance;
        // Keeps track of mint count with minimal overhead for tokenomics.
        uint64 numberMinted;
        // Keeps track of burn count with minimal overhead for tokenomics.
        uint64 numberBurned;
        // For miscellaneous variable(s) pertaining to the address
        // (e.g. number of whitelist mint slots used).
        // If there are multiple variables, please pack them into a uint64.
        uint64 aux;
    }

    // The tokenId of the next token to be minted.
    uint256 internal _currentIndex;

    // The number of tokens burned.
    uint256 internal _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned. See _ownershipOf implementation for details.
    mapping(uint256 => TokenOwnership) internal _ownerships;

    // Mapping owner address to address data
    mapping(address => AddressData) private _addressData;

    // 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;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    /**
     * To change the starting tokenId, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
     */
    function totalSupply() public view returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than _currentIndex - _startTokenId() times
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view returns (uint256) {
        // Counter underflow is impossible as _currentIndex does not decrement,
        // and it is initialized to _startTokenId()
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

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

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return uint256(_addressData[owner].balance);
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberMinted);
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberBurned);
    }

    /**
     * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return _addressData[owner].aux;
    }

    /**
     * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal {
        _addressData[owner].aux = aux;
    }

    /**
     * Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around in the collection over time.
     */
    function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr && curr < _currentIndex) {
                TokenOwnership memory ownership = _ownerships[curr];
                if (!ownership.burned) {
                    if (ownership.addr != address(0)) {
                        return ownership;
                    }
                    // Invariant:
                    // There will always be an ownership that has an address and is not burned
                    // before an ownership that does not have an address and is not burned.
                    // Hence, curr will not underflow.
                    while (true) {
                        curr--;
                        ownership = _ownerships[curr];
                        if (ownership.addr != address(0)) {
                            return ownership;
                        }
                    }
                }
            }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view override returns (address) {
        return _ownershipOf(tokenId).addr;
    }

    /**
     * @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) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

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

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

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public override {
        address owner = ERC721A.ownerOf(tokenId);
        if (to == owner) revert ApprovalToCurrentOwner();

        if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
            revert ApprovalCallerNotOwnerNorApproved();
        }

        _approve(to, tokenId, owner);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId];
    }

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

        _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 {
        _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 {
        _transfer(from, to, tokenId);
        if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) {
            revert TransferToNonERC721ReceiverImplementer();
        }
    }

    /**
     * @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`),
     */
    function _exists(uint256 tokenId) internal view returns (bool) {
        return _startTokenId() <= tokenId && tokenId < _currentIndex && !_ownerships[tokenId].burned;
    }

    function _safeMint(address to, uint256 quantity) internal {
        _safeMint(to, quantity, '');
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal {
        _mint(to, quantity, _data, true);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _mint(
        address to,
        uint256 quantity,
        bytes memory _data,
        bool safe
    ) internal {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            _addressData[to].balance += uint64(quantity);
            _addressData[to].numberMinted += uint64(quantity);

            _ownerships[startTokenId].addr = to;
            _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);

            uint256 updatedIndex = startTokenId;
            uint256 end = updatedIndex + quantity;

            if (safe && to.isContract()) {
                do {
                    emit Transfer(address(0), to, updatedIndex);
                    if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (updatedIndex != end);
                // Reentrancy protection
                if (_currentIndex != startTokenId) revert();
            } else {
                do {
                    emit Transfer(address(0), to, updatedIndex++);
                } while (updatedIndex != end);
            }
            _currentIndex = updatedIndex;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * 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
    ) private {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();

        bool isApprovedOrOwner = (_msgSender() == from ||
            isApprovedForAll(from, _msgSender()) ||
            getApproved(tokenId) == _msgSender());

        if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

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

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            _addressData[from].balance -= 1;
            _addressData[to].balance += 1;

            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = to;
            currSlot.startTimestamp = uint64(block.timestamp);

            // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev This is equivalent to _burn(tokenId, false)
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        address from = prevOwnership.addr;

        if (approvalCheck) {
            bool isApprovedOrOwner = (_msgSender() == from ||
                isApprovedForAll(from, _msgSender()) ||
                getApproved(tokenId) == _msgSender());

            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

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

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            AddressData storage addressData = _addressData[from];
            addressData.balance -= 1;
            addressData.numberBurned += 1;

            // Keep track of who burned the token, and the timestamp of burning.
            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = from;
            currSlot.startTimestamp = uint64(block.timestamp);
            currSlot.burned = true;

            // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

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

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target 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 _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
            return retval == IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * 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, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
     * minting.
     * And also called after one token has been burned.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}
}

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

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

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

        _;

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

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

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

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

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/extensions/ERC20Burnable.sol)

pragma solidity ^0.8.0;

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

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

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

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

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

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

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

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

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

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

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

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

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

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

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

        return true;
    }

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

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
        }
        _balances[to] += amount;

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/ERC1155.sol)

pragma solidity ^0.8.0;

import "./IERC1155.sol";
import "./IERC1155Receiver.sol";
import "./extensions/IERC1155MetadataURI.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the basic standard multi-token.
 * See https://eips.ethereum.org/EIPS/eip-1155
 * Originally based on code by Enjin: https://github.com/enjin/erc-1155
 *
 * _Available since v3.1._
 */
contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
    using Address for address;

    // Mapping from token ID to account balances
    mapping(uint256 => mapping(address => uint256)) private _balances;

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

    // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
    string private _uri;

    /**
     * @dev See {_setURI}.
     */
    constructor(string memory uri_) {
        _setURI(uri_);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC1155).interfaceId ||
            interfaceId == type(IERC1155MetadataURI).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC1155MetadataURI-uri}.
     *
     * This implementation returns the same URI for *all* token types. It relies
     * on the token type ID substitution mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * Clients calling this function must replace the `\{id\}` substring with the
     * actual token type ID.
     */
    function uri(uint256) public view virtual override returns (string memory) {
        return _uri;
    }

    /**
     * @dev See {IERC1155-balanceOf}.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
        require(account != address(0), "ERC1155: balance query for the zero address");
        return _balances[id][account];
    }

    /**
     * @dev See {IERC1155-balanceOfBatch}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
        public
        view
        virtual
        override
        returns (uint256[] memory)
    {
        require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");

        uint256[] memory batchBalances = new uint256[](accounts.length);

        for (uint256 i = 0; i < accounts.length; ++i) {
            batchBalances[i] = balanceOf(accounts[i], ids[i]);
        }

        return batchBalances;
    }

    /**
     * @dev See {IERC1155-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC1155-isApprovedForAll}.
     */
    function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[account][operator];
    }

    /**
     * @dev See {IERC1155-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) public virtual override {
        require(
            from == _msgSender() || isApprovedForAll(from, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );
        _safeTransferFrom(from, to, id, amount, data);
    }

    /**
     * @dev See {IERC1155-safeBatchTransferFrom}.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) public virtual override {
        require(
            from == _msgSender() || isApprovedForAll(from, _msgSender()),
            "ERC1155: transfer caller is not owner nor approved"
        );
        _safeBatchTransferFrom(from, to, ids, amounts, data);
    }

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function _safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "ERC1155: transfer to the zero address");

        address operator = _msgSender();
        uint256[] memory ids = _asSingletonArray(id);
        uint256[] memory amounts = _asSingletonArray(amount);

        _beforeTokenTransfer(operator, from, to, ids, amounts, data);

        uint256 fromBalance = _balances[id][from];
        require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
        unchecked {
            _balances[id][from] = fromBalance - amount;
        }
        _balances[id][to] += amount;

        emit TransferSingle(operator, from, to, id, amount);

        _afterTokenTransfer(operator, from, to, ids, amounts, data);

        _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function _safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
        require(to != address(0), "ERC1155: transfer to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, from, to, ids, amounts, data);

        for (uint256 i = 0; i < ids.length; ++i) {
            uint256 id = ids[i];
            uint256 amount = amounts[i];

            uint256 fromBalance = _balances[id][from];
            require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
            unchecked {
                _balances[id][from] = fromBalance - amount;
            }
            _balances[id][to] += amount;
        }

        emit TransferBatch(operator, from, to, ids, amounts);

        _afterTokenTransfer(operator, from, to, ids, amounts, data);

        _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
    }

    /**
     * @dev Sets a new URI for all token types, by relying on the token type ID
     * substitution mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * By this mechanism, any occurrence of the `\{id\}` substring in either the
     * URI or any of the amounts in the JSON file at said URI will be replaced by
     * clients with the token type ID.
     *
     * For example, the `https://token-cdn-domain/\{id\}.json` URI would be
     * interpreted by clients as
     * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
     * for token type ID 0x4cce0.
     *
     * See {uri}.
     *
     * Because these URIs cannot be meaningfully represented by the {URI} event,
     * this function emits no events.
     */
    function _setURI(string memory newuri) internal virtual {
        _uri = newuri;
    }

    /**
     * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function _mint(
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "ERC1155: mint to the zero address");

        address operator = _msgSender();
        uint256[] memory ids = _asSingletonArray(id);
        uint256[] memory amounts = _asSingletonArray(amount);

        _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);

        _balances[id][to] += amount;
        emit TransferSingle(operator, address(0), to, id, amount);

        _afterTokenTransfer(operator, address(0), to, ids, amounts, data);

        _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function _mintBatch(
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "ERC1155: mint to the zero address");
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);

        for (uint256 i = 0; i < ids.length; i++) {
            _balances[ids[i]][to] += amounts[i];
        }

        emit TransferBatch(operator, address(0), to, ids, amounts);

        _afterTokenTransfer(operator, address(0), to, ids, amounts, data);

        _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
    }

    /**
     * @dev Destroys `amount` tokens of token type `id` from `from`
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `from` must have at least `amount` tokens of token type `id`.
     */
    function _burn(
        address from,
        uint256 id,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC1155: burn from the zero address");

        address operator = _msgSender();
        uint256[] memory ids = _asSingletonArray(id);
        uint256[] memory amounts = _asSingletonArray(amount);

        _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");

        uint256 fromBalance = _balances[id][from];
        require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
        unchecked {
            _balances[id][from] = fromBalance - amount;
        }

        emit TransferSingle(operator, from, address(0), id, amount);

        _afterTokenTransfer(operator, from, address(0), ids, amounts, "");
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     */
    function _burnBatch(
        address from,
        uint256[] memory ids,
        uint256[] memory amounts
    ) internal virtual {
        require(from != address(0), "ERC1155: burn from the zero address");
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");

        for (uint256 i = 0; i < ids.length; i++) {
            uint256 id = ids[i];
            uint256 amount = amounts[i];

            uint256 fromBalance = _balances[id][from];
            require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
            unchecked {
                _balances[id][from] = fromBalance - amount;
            }
        }

        emit TransferBatch(operator, from, address(0), ids, amounts);

        _afterTokenTransfer(operator, from, address(0), ids, amounts, "");
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC1155: setting approval status for self");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning, as well as batched variants.
     *
     * The same hook is called on both single and batched variants. For single
     * transfers, the length of the `id` and `amount` arrays will be 1.
     *
     * Calling conditions (for each `id` and `amount` pair):
     *
     * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * of token type `id` will be  transferred to `to`.
     * - When `from` is zero, `amount` tokens of token type `id` will be minted
     * for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
     * will be burned.
     * - `from` and `to` are never both zero.
     * - `ids` and `amounts` have the same, non-zero length.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {}

    /**
     * @dev Hook that is called after any token transfer. This includes minting
     * and burning, as well as batched variants.
     *
     * The same hook is called on both single and batched variants. For single
     * transfers, the length of the `id` and `amount` arrays will be 1.
     *
     * Calling conditions (for each `id` and `amount` pair):
     *
     * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * of token type `id` will be  transferred to `to`.
     * - When `from` is zero, `amount` tokens of token type `id` will be minted
     * for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
     * will be burned.
     * - `from` and `to` are never both zero.
     * - `ids` and `amounts` have the same, non-zero length.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {}

    function _doSafeTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) private {
        if (to.isContract()) {
            try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                if (response != IERC1155Receiver.onERC1155Received.selector) {
                    revert("ERC1155: ERC1155Receiver rejected tokens");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("ERC1155: transfer to non ERC1155Receiver implementer");
            }
        }
    }

    function _doSafeBatchTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) private {
        if (to.isContract()) {
            try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                bytes4 response
            ) {
                if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {
                    revert("ERC1155: ERC1155Receiver rejected tokens");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("ERC1155: transfer to non ERC1155Receiver implementer");
            }
        }
    }

    function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
        uint256[] memory array = new uint256[](1);
        array[0] = element;

        return array;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)

pragma solidity ^0.8.0;

import "../IERC1155.sol";

/**
 * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
 * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155MetadataURI is IERC1155 {
    /**
     * @dev Returns the URI for token type `id`.
     *
     * If the `\{id\}` substring is present in the URI, it must be replaced by
     * clients with the actual token type ID.
     */
    function uri(uint256 id) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 500
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_uri","type":"string"},{"internalType":"contract KahiruF","name":"_nft","type":"address"},{"internalType":"contract NFTStaking","name":"_staking","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"index","type":"uint256"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Purchased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Stakedinfo","outputs":[{"internalType":"uint256","name":"total1","type":"uint256"},{"internalType":"uint256","name":"total2","type":"uint256"},{"internalType":"bool","name":"permission","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"addController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"addWlController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"burnBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"earningInfo","outputs":[{"internalType":"uint256","name":"total","type":"uint256"},{"internalType":"bool","name":"permission","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"exists","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"purchase","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_ammount","type":"uint256"}],"name":"purchaseController","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"purchaseExcepts","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"purchaseTxs","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"removeController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"removeWlController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"royaltyAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_id","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]

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

-----Decoded View---------------
Arg [0] : _name (string): Manuscript
Arg [1] : _symbol (string): MANUSCRIPT
Arg [2] : _uri (string): https://kahiru.mypinata.cloud/ipfs/QmXZ7QFf9p2WdTJBWzidYtYe4iKoGjrcvG6sZoN64oWa3g/
Arg [3] : _nft (address): 0x0326b0688d9869a19388312Df6805d1D72AaB7bC
Arg [4] : _staking (address): 0x6DffB6415c96EC393Bf018fB824934d7b5B637a0

-----Encoded View---------------
13 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [3] : 0000000000000000000000000326b0688d9869a19388312df6805d1d72aab7bc
Arg [4] : 0000000000000000000000006dffb6415c96ec393bf018fb824934d7b5b637a0
Arg [5] : 000000000000000000000000000000000000000000000000000000000000000a
Arg [6] : 4d616e7573637269707400000000000000000000000000000000000000000000
Arg [7] : 000000000000000000000000000000000000000000000000000000000000000a
Arg [8] : 4d414e5553435249505400000000000000000000000000000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000052
Arg [10] : 68747470733a2f2f6b61686972752e6d7970696e6174612e636c6f75642f6970
Arg [11] : 66732f516d585a375146663970325764544a42577a69645974596534694b6f47
Arg [12] : 6a7263764736735a6f4e36346f576133672f0000000000000000000000000000