ETH Price: $3,160.32 (+1.40%)
Gas: 1 Gwei

Contract

0x94bcCFcBeFd6102b953A85AFB81236958c10FEed
 

Overview

ETH Balance

0.08 ETH

Eth Value

$252.83 (@ $3,160.32/ETH)

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Safe Transfer Fr...201444182024-06-22 2:58:3521 days ago1719025115IN
MEFaverse: MEF Token
0 ETH0.000143292.19581985
Set Approval For...198195882024-05-07 17:10:1167 days ago1715101811IN
MEFaverse: MEF Token
0 ETH0.000221759.14836438
Set Approval For...198163732024-05-07 6:22:5967 days ago1715062979IN
MEFaverse: MEF Token
0 ETH0.000272975.90399612
Set Approval For...198116252024-05-06 14:25:2368 days ago1715005523IN
MEFaverse: MEF Token
0 ETH0.0004796310.39252301
Set Approval For...197184022024-04-23 13:30:2381 days ago1713879023IN
MEFaverse: MEF Token
0 ETH0.0005776712.51672122
Set Approval For...190694022024-01-23 12:34:47172 days ago1706013287IN
MEFaverse: MEF Token
0 ETH0.0005263121.71278289
Set Approval For...188579002023-12-24 20:08:23201 days ago1703448503IN
MEFaverse: MEF Token
0 ETH0.000449518.47993382
Set Approval For...188247582023-12-20 4:31:11206 days ago1703046671IN
MEFaverse: MEF Token
0 ETH0.0008710135.80894603
Set Approval For...188247572023-12-20 4:30:59206 days ago1703046659IN
MEFaverse: MEF Token
0 ETH0.0008879836.63298433
Set Approval For...187996242023-12-16 15:50:23210 days ago1702741823IN
MEFaverse: MEF Token
0 ETH0.0013605755.935674
Set Approval For...187995552023-12-16 15:36:35210 days ago1702740995IN
MEFaverse: MEF Token
0 ETH0.0015851165.3277243
Set Approval For...187882662023-12-15 1:32:59211 days ago1702603979IN
MEFaverse: MEF Token
0 ETH0.0014207130.78342465
Set Approval For...184064652023-10-22 14:35:11265 days ago1697985311IN
MEFaverse: MEF Token
0 ETH0.000417339.04271475
Set Approval For...183225432023-10-10 20:49:35276 days ago1696970975IN
MEFaverse: MEF Token
0 ETH0.000453649.82931447
Set Approval For...183210682023-10-10 15:52:11277 days ago1696953131IN
MEFaverse: MEF Token
0 ETH0.000407238.82378066
Set Approval For...183103472023-10-09 3:51:23278 days ago1696823483IN
MEFaverse: MEF Token
0 ETH0.000258385.59867322
Set Approval For...183080012023-10-08 20:00:11278 days ago1696795211IN
MEFaverse: MEF Token
0 ETH0.000284726.16927296
Set Approval For...182593352023-10-02 0:42:35285 days ago1696207355IN
MEFaverse: MEF Token
0 ETH0.000171697.05861979
Set Approval For...182593352023-10-02 0:42:35285 days ago1696207355IN
MEFaverse: MEF Token
0 ETH0.00017117.05861979
Set Approval For...182593342023-10-02 0:42:23285 days ago1696207343IN
MEFaverse: MEF Token
0 ETH0.000182757.53189368
Set Approval For...182531162023-10-01 3:51:23286 days ago1696132283IN
MEFaverse: MEF Token
0 ETH0.00026475.73542513
Set Approval For...182322132023-09-28 5:39:23289 days ago1695879563IN
MEFaverse: MEF Token
0 ETH0.000372378.06835298
Set Approval For...182228972023-09-26 22:22:11290 days ago1695766931IN
MEFaverse: MEF Token
0 ETH0.0006578514.25403963
Set Approval For...181631752023-09-18 13:40:11299 days ago1695044411IN
MEFaverse: MEF Token
0 ETH0.0006819314.76826162
Set Approval For...180405522023-09-01 8:36:47316 days ago1693557407IN
MEFaverse: MEF Token
0 ETH0.0003162113
View all transactions

Latest 22 internal transactions

Advanced mode:
Parent Transaction Hash Block From To
149106852022-06-05 19:01:11769 days ago1654455671
MEFaverse: MEF Token
0.3584 ETH
149106852022-06-05 19:01:11769 days ago1654455671
MEFaverse: MEF Token
0.448 ETH
149106782022-06-05 18:59:33769 days ago1654455573
MEFaverse: MEF Token
0.448 ETH
149106722022-06-05 18:57:52769 days ago1654455472
MEFaverse: MEF Token
0.1792 ETH
149106722022-06-05 18:57:52769 days ago1654455472
MEFaverse: MEF Token
0.224 ETH
149106502022-06-05 18:51:05769 days ago1654455065
MEFaverse: MEF Token
1.0304 ETH
149101632022-06-05 16:46:07769 days ago1654447567
MEFaverse: MEF Token
1.792 ETH
145995902022-04-17 0:25:10818 days ago1650155110
MEFaverse: MEF Token
7.328 ETH
145995842022-04-17 0:24:24818 days ago1650155064
MEFaverse: MEF Token
4.2136 ETH
145995762022-04-17 0:22:31818 days ago1650154951
MEFaverse: MEF Token
1.4656 ETH
145995552022-04-17 0:17:05818 days ago1650154625
MEFaverse: MEF Token
1.832 ETH
145995452022-04-17 0:14:50818 days ago1650154490
MEFaverse: MEF Token
0.916 ETH
145995322022-04-17 0:12:45818 days ago1650154365
MEFaverse: MEF Token
0.7328 ETH
145995092022-04-17 0:07:53818 days ago1650154073
MEFaverse: MEF Token
1.832 ETH
144720132022-03-28 2:30:46838 days ago1648434646
MEFaverse: MEF Token
9.8 ETH
144720132022-03-28 2:30:46838 days ago1648434646
MEFaverse: MEF Token
3.92 ETH
144720122022-03-28 2:30:38838 days ago1648434638
MEFaverse: MEF Token
4.9 ETH
144720112022-03-28 2:30:33838 days ago1648434633
MEFaverse: MEF Token
9.8 ETH
144720102022-03-28 2:30:11838 days ago1648434611
MEFaverse: MEF Token
7.84 ETH
144720102022-03-28 2:30:11838 days ago1648434611
MEFaverse: MEF Token
22.54 ETH
144720102022-03-28 2:30:11838 days ago1648434611
MEFaverse: MEF Token
39.2 ETH
144572322022-03-25 19:09:21841 days ago1648235361
MEFaverse: MEF Token
0.16 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
MEFaverse

Compiler Version
v0.8.13+commit.abaa5c0e

Optimization Enabled:
Yes with 100 runs

Other Settings:
default evmVersion
File 1 of 19 : MEFaverse.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Strings.sol";
import './Blimpie/Delegated.sol';
import './Blimpie/Merkle.sol';
import './Blimpie/ERC721Batch.sol';
import './Blimpie/PaymentSplitterMod.sol';

contract MEFaverse is Delegated, ERC721Batch, Merkle, PaymentSplitterMod {
  using Strings for uint256;

  uint public MAX_MINT   = 2;
  uint public MAX_ORDER  = 2;
  uint public MAX_SUPPLY = 8500;
  uint public PRICE      = 0.08 ether;

  bool public isPresaleActive = false;
  bool public isMainsaleActive = false;

  string private _tokenURIPrefix;
  string private _tokenURISuffix;

  address[] private _accounts = [
    0xE57048340ddf7a28244E1cdC63AA9056187E2665,
    0xbE8Fdf8Ca08c10082b8aD24e2Eb01592153dC8B2,
    0x5B7556FA084116e33aaeB273a511Fdfb35BE0DA0,
    0x42a06F7bB64fd3B862A74e5BcBADc3CFb3F907a4,
    0xf092E151480c9CBf372de602E6c8d048C212a979,
    0x3ff0D4b04D8ef29198C7F8ce597F6FCbA0aF3931,
    0x557e5F91f60dc99aB499F6ffdbedFfBa44b441D9
  ];

  uint[] private _shares = [
    40,
    23,
     8,
    10,
     5,
     4,
    10
  ];

  constructor()
    Delegated()
    ERC721B("MEFaverse", "MEF", 0)
    PaymentSplitterMod( _accounts, _shares ){
  }

  //safety first
  fallback() external payable {}


  //view: IERC721Metadata
  function tokenURI( uint tokenId ) external view override returns( string memory ){
    require(_exists(tokenId), "MEFaverse: query for nonexistent token");
    return string(abi.encodePacked(_tokenURIPrefix, tokenId.toString(), _tokenURISuffix));
  }

  //payable
  function mint( uint quantity, bytes32[] calldata proof ) external payable {
    require( 0 < quantity && quantity <= MAX_ORDER,  "MEFaverse: order too big"             );
    require( msg.value >= PRICE * quantity,          "MEFaverse: ether sent is not correct" );
    require( owners[msg.sender].purchased + quantity <= MAX_MINT, "MEFaverse: don't be greedy" );

    uint supply = totalSupply();
    require( supply + quantity <= MAX_SUPPLY, "MEFaverse: mint/order exceeds supply" );

    if( isMainsaleActive ){
      //no-op
      
    }
    else if( isPresaleActive ){
      verifyProof( keccak256( abi.encodePacked( msg.sender ) ), proof );
    }
    else{
      revert( "MEFaverse: sale is not active" );
    }

    owners[msg.sender].balance += uint16(quantity);
    owners[msg.sender].purchased += uint16(quantity);
    for( uint i; i < quantity; ++i ){
      _safeMint( msg.sender, supply++, "" );
    }
  }


  //onlyDelegates
  function mintTo(uint[] calldata quantity, address[] calldata recipient) external payable onlyDelegates{
    require(quantity.length == recipient.length, "MEFaverse: must provide equal quantities and recipients" );

    unchecked{
      uint totalQuantity;
      for(uint i; i < quantity.length; ++i){
        totalQuantity += quantity[i];
      }
      uint supply = totalSupply();
      require( supply + totalQuantity <= MAX_SUPPLY, "MEFaverse: mint/order exceeds supply" );

      for(uint i; i < recipient.length; ++i){
        if( quantity[i] > 0 ){
          owners[recipient[i]].balance += uint16(quantity[i]);
          for( uint j; j < quantity[i]; ++j ){
            _mint( recipient[i], supply++ );
          }
        }
      }
    }
  }

  function setActive(bool isPresaleActive_, bool isMainsaleActive_) external onlyDelegates{
    isPresaleActive = isPresaleActive_;
    isMainsaleActive = isMainsaleActive_;
  }

  function setBaseURI(string calldata _newPrefix, string calldata _newSuffix) external onlyDelegates{
    _tokenURIPrefix = _newPrefix;
    _tokenURISuffix = _newSuffix;
  }

  function setConfig(uint maxOrder, uint maxSupply, uint maxMint, uint price) external onlyDelegates{
    require( maxSupply >= totalSupply(), "MEFaverse: specified supply is lower than current balance" );
    MAX_ORDER  = maxOrder;
    MAX_SUPPLY = maxSupply;
    MAX_MINT   = maxMint;
    PRICE      = price;
  }


  //private
  function _mint( address to, uint tokenId ) internal override {
    tokens.push( Token( to ) );
    emit Transfer( address(0), to, tokenId );
  }
}

File 2 of 19 : PaymentSplitterMod.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/Context.sol";

/**
 * @title PaymentSplitter
 * @dev This contract allows to split Ether payments among a group of accounts. The sender does not need to be aware
 * that the Ether will be split in this way, since it is handled transparently by the contract.
 *
 * The split can be in equal parts or in any other arbitrary proportion. The way this is specified is by assigning each
 * account to a number of shares. Of all the Ether that this contract receives, each account will then be able to claim
 * an amount proportional to the percentage of total shares they were assigned.
 *
 * `PaymentSplitter` follows a _pull payment_ model. This means that payments are not automatically forwarded to the
 * accounts but kept in this contract, and the actual transfer is triggered as a separate step by calling the {release}
 * function.
 */
contract PaymentSplitterMod is Context {
    event PayeeAdded(address account, uint256 shares);
    event PaymentReleased(address to, uint256 amount);
    event PaymentReceived(address from, uint256 amount);

    uint256 private _totalShares;
    uint256 private _totalReleased;

    mapping(address => uint256) private _shares;
    mapping(address => uint256) private _released;
    address[] private _payees;

    /**
     * @dev Creates an instance of `PaymentSplitter` where each account in `payees` is assigned the number of shares at
     * the matching position in the `shares` array.
     *
     * All addresses in `payees` must be non-zero. Both arrays must have the same non-zero length, and there must be no
     * duplicates in `payees`.
     */
    constructor(address[] memory payees, uint256[] memory shares_) payable {
        require(payees.length == shares_.length, "PaymentSplitter: payees and shares length mismatch");
        require(payees.length > 0, "PaymentSplitter: no payees");

        for (uint256 i = 0; i < payees.length; i++) {
            _addPayee(payees[i], shares_[i]);
        }
    }

    /**
     * @dev The Ether received will be logged with {PaymentReceived} events. Note that these events are not fully
     * reliable: it's possible for a contract to receive Ether without triggering this function. This only affects the
     * reliability of the events, and not the actual splitting of Ether.
     *
     * To learn more about this see the Solidity documentation for
     * https://solidity.readthedocs.io/en/latest/contracts.html#fallback-function[fallback
     * functions].
     */
    receive() external payable {
        emit PaymentReceived(_msgSender(), msg.value);
    }

    /**
     * @dev Getter for the total shares held by payees.
     */
    function totalShares() public view returns (uint256) {
        return _totalShares;
    }

    /**
     * @dev Getter for the total amount of Ether already released.
     */
    function totalReleased() public view returns (uint256) {
        return _totalReleased;
    }

    /**
     * @dev Getter for the amount of shares held by an account.
     */
    function shares(address account) public view returns (uint256) {
        return _shares[account];
    }

    /**
     * @dev Getter for the amount of Ether already released to a payee.
     */
    function released(address account) public view returns (uint256) {
        return _released[account];
    }

    /**
     * @dev Getter for the address of the payee number `index`.
     */
    function payee(uint256 index) public view returns (address) {
        return _payees[index];
    }

    /**
     * @dev Triggers a transfer to `account` of the amount of Ether they are owed, according to their percentage of the
     * total shares and their previous withdrawals.
     */
    function release(address payable account) public virtual {
        require(_shares[account] > 0, "PaymentSplitter: account has no shares");

        uint256 totalReceived = address(this).balance + _totalReleased;
        uint256 payment = (totalReceived * _shares[account]) / _totalShares - _released[account];
        require(payment != 0, "PaymentSplitter: account is not due payment");

        _released[account] = _released[account] + payment;
        _totalReleased = _totalReleased + payment;

        Address.sendValue(account, payment);
        emit PaymentReleased(account, payment);
    }

    function _addPayee(address account, uint256 shares_) internal {
        require(account != address(0), "PaymentSplitter: account is the zero address");
        require(shares_ > 0, "PaymentSplitter: shares are 0");
        require(_shares[account] == 0, "PaymentSplitter: account already has shares");

        _payees.push(account);
        _shares[account] = shares_;
        _totalShares = _totalShares + shares_;
        emit PayeeAdded(account, shares_);
    }

    function _resetCounters() internal {
        _totalReleased = 0;
        for(uint i; i < _payees.length; ++i ){
            _released[ _payees[i] ] = 0;
        }
    }

    function _setPayee( uint index, address account, uint newShares ) internal {
        _totalShares = _totalShares - _shares[ account ] + newShares;
        _shares[ account ] = newShares;
        _payees[ index ] = account;
    }
}

File 3 of 19 : Merkle.sol
// SPDX-License-Identifier: BSD-3

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import './Delegated.sol';

contract Merkle is Delegated{
  bytes32 internal merkleRoot;

  function setMerkleRoot( bytes32 merkleRoot_ ) external onlyOwner{
    merkleRoot = merkleRoot_;
  }

  function verifyProof(bytes32 leaf, bytes32[] memory proof) internal view{
    require( MerkleProof.processProof( proof, leaf ) == merkleRoot, "Merkle Proof verification failed" );
  }
}

File 4 of 19 : IERC721Batch.sol
// SPDX-License-Identifier: BSD-3-Clause

pragma solidity ^0.8.0;

interface IERC721Batch {
  function isOwnerOf( address account, uint[] calldata tokenIds ) external view returns( bool );
  function transferBatch( address from, address to, uint[] calldata tokenIds, bytes calldata data ) external;
  function walletOfOwner( address account ) external view returns( uint[] memory );
}

File 5 of 19 : ERC721EnumerableB.sol
// SPDX-License-Identifier: BSD-3-Clause

pragma solidity ^0.8.0;

/****************************************
 * @author: squeebo_nft                 *
 ****************************************
 *   Blimpie-ERC721 provides low-gas    *
 *       mints + transfers              *
 ****************************************/

import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol";
import "./ERC721B.sol";

abstract contract ERC721EnumerableB is ERC721B, IERC721Enumerable {
  function supportsInterface( bytes4 interfaceId ) public view virtual override(IERC165, ERC721B) returns( bool isSupported ){
    return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
  }

  function tokenOfOwnerByIndex( address owner, uint index ) external view override returns( uint tokenId ){
    uint count;
    for( uint i; i < tokens.length; ++i ){
      if( owner == tokens[i].owner ){
        if( count == index )
          return i;
        else
          ++count;
      }
    }

    revert("ERC721EnumerableB: owner index out of bounds");
  }

  function tokenByIndex( uint index ) external view override returns( uint tokenId ){
    require( index < totalSupply(), "ERC721EnumerableB: query for nonexistent token");
    return index + _offset;
  }

  function totalSupply() public view override( ERC721B, IERC721Enumerable ) returns( uint ){
    return ERC721B.totalSupply();
  }
}

File 6 of 19 : ERC721Batch.sol
// SPDX-License-Identifier: BSD-3-Clause

pragma solidity ^0.8.0;

/****************************************
 * @author: squeebo_nft                 *
 ****************************************
 *   Blimpie-FF721 provides low-gas     *
 *       mints + transfers              *
 ****************************************/

import "../Blimpie/IERC721Batch.sol";
import "./ERC721EnumerableB.sol";

abstract contract ERC721Batch is ERC721EnumerableB, IERC721Batch {
  function isOwnerOf( address account, uint[] calldata tokenIds ) external view override returns( bool ){
    for(uint i; i < tokenIds.length; ++i ){
      if( account != tokens[ tokenIds[i] ].owner )
        return false;
    }

    return true;
  }

  function transferBatch( address from, address to, uint[] calldata tokenIds, bytes calldata data ) external override{
    for(uint i; i < tokenIds.length; ++i ){
      safeTransferFrom( from, to, tokenIds[i], data );
    }
  }

  function walletOfOwner( address account ) external view override returns( uint[] memory wallet ){
    uint count;
    uint quantity = owners[ account ].balance;
    wallet = new uint[]( quantity );
    for( uint i; i < tokens.length; ++i ){
      if( account == tokens[i].owner ){
        wallet[ count++ ] = i;
        if( count == quantity )
          break;
      }
    }
    return wallet;
  }
}

File 7 of 19 : ERC721B.sol
// SPDX-License-Identifier: BSD-3-Clause

pragma solidity ^0.8.0;

/****************************************
 * @author: squeebo_nft         *
 ****************************************
 *   Blimpie-FF721 provides low-gas  *
 *     mints + transfers        *
 ****************************************/

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/introspection/ERC165.sol";


abstract contract ERC721B is Context, ERC165, IERC721, IERC721Metadata {
  using Address for address;

  struct Owner{
    uint16 balance;
    uint16 purchased;
  }

  struct Token{
    address owner;
  }

  Token[] public tokens;
  mapping(address => Owner) public owners;

  uint internal _burned;
  uint internal _offset;
  string private _name;
  string private _symbol;

  mapping(uint => address) internal _tokenApprovals;
  mapping(address => mapping(address => bool)) private _operatorApprovals;

  constructor(string memory name_, string memory symbol_, uint offset_ ){
    _name = name_;
    _symbol = symbol_;

    _offset = offset_;
    for(uint i; i < _offset; ++i ){
      tokens.push();
    }
  }

  //public view
  function balanceOf(address owner) external view override returns( uint balance ){
    return owners[owner].balance;
  }

  function name() external view override returns( string memory name_ ){
    return _name;
  }

  function ownerOf(uint tokenId) public view override returns( address owner ){
    require(_exists(tokenId), "ERC721B: query for nonexistent token");
    return tokens[tokenId].owner;
  }

  function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns( bool isSupported ){
    return
      interfaceId == type(IERC721).interfaceId ||
      interfaceId == type(IERC721Metadata).interfaceId ||
      super.supportsInterface(interfaceId);
  }

  function symbol() external view override returns( string memory symbol_ ){
    return _symbol;
  }

  function totalSupply() public view virtual returns (uint) {
    return tokens.length - (_burned + _offset);
  }


  //approvals
  function approve(address to, uint tokenId) external override {
    address owner = ownerOf(tokenId);
    require(to != owner, "ERC721B: approval to current owner");

    require(
      _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
      "ERC721B: caller is not owner nor approved for all"
    );

    _approve(to, tokenId);
  }

  function getApproved(uint tokenId) public view override returns( address approver ){
    require(_exists(tokenId), "ERC721: query for nonexistent token");
    return _tokenApprovals[tokenId];
  }

  function isApprovedForAll(address owner, address operator) public view override returns( bool isApproved ){
    return _operatorApprovals[owner][operator];
  }

  function setApprovalForAll(address operator, bool approved) external override {
    _operatorApprovals[_msgSender()][operator] = approved;
    emit ApprovalForAll(_msgSender(), operator, approved);
  }


  //transfers
  function safeTransferFrom(address from, address to, uint tokenId) external override{
    safeTransferFrom(from, to, tokenId, "");
  }

  function safeTransferFrom(address from, address to, uint tokenId, bytes memory _data) public override {
    require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721B: caller is not owner nor approved");
    _safeTransfer(from, to, tokenId, _data);
  }

  function transferFrom(address from, address to, uint tokenId) external override {
    //solhint-disable-next-line max-line-length
    require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721B: caller is not owner nor approved");
    _transfer(from, to, tokenId);
  }


  //internal
  function _approve(address to, uint tokenId) internal{
    _tokenApprovals[tokenId] = to;
    emit Approval(ownerOf(tokenId), to, tokenId);
  }

  function _beforeTokenTransfer(address from, address to) internal virtual {
    if( from != address(0) )
      --owners[from].balance;

    if( to != address(0) )
      ++owners[to].balance;
  }


  function _burn(uint tokenId) internal {
    address owner = ownerOf(tokenId);

    _beforeTokenTransfer(owner, address(0));

    // Clear approvals
    _approve(address(0), tokenId);
    tokens[tokenId].owner = address(0);

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

  function _checkOnERC721Received(address from, address to, uint tokenId, bytes memory _data) private returns( bool ){
    if (to.isContract()) {
      try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
        return retval == IERC721Receiver.onERC721Received.selector;
      } catch (bytes memory reason) {
        if (reason.length == 0) {
          revert("ERC721B: transfer to non ERC721Receiver implementer");
        } else {
          assembly {
            revert(add(32, reason), mload(reason))
          }
        }
      }
    } else {
      return true;
    }
  }

  function _exists(uint tokenId) internal view returns( bool ){
    return tokenId < tokens.length && tokens[tokenId].owner != address(0);
  }

  function _isApprovedOrOwner(address spender, uint tokenId) internal view returns( bool isApproved ){
    require(_exists(tokenId), "ERC721B: query for nonexistent token");
    address owner = ownerOf(tokenId);
    return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
  }

  function _mint(address to, uint tokenId) internal virtual;

  function _next() internal view virtual returns(uint){
    return tokens.length + _offset;
  }

  function _safeMint(address to, uint tokenId) internal {
    _safeMint(to, tokenId, "");
  }

  function _safeMint(address to, uint tokenId, bytes memory _data) internal {
    _mint(to, tokenId);
    require(
      _checkOnERC721Received(address(0), to, tokenId, _data),
      "ERC721B: transfer to non ERC721Receiver implementer"
    );
  }

  function _safeTransfer(address from, address to, uint tokenId, bytes memory _data) internal{
    _transfer(from, to, tokenId);
    require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721B: transfer to non ERC721Receiver implementer");
  }

  function _transfer(address from, address to, uint tokenId) internal {
    require(ownerOf(tokenId) == from, "ERC721B: transfer of token that is not own");
    _beforeTokenTransfer(from, to);

    // Clear approvals from the previous owner
    _approve(address(0), tokenId);
    tokens[tokenId].owner = to;

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

File 8 of 19 : Delegated.sol
// SPDX-License-Identifier: BSD-3-Clause

pragma solidity ^0.8.0;

/***********************
* @author: squeebo_nft *
************************/

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

contract Delegated is Ownable{
  mapping(address => bool) internal _delegates;

  constructor(){
    _delegates[owner()] = true;
  }

  modifier onlyDelegates {
    require(_delegates[msg.sender], "Invalid delegate" );
    _;
  }

  //onlyOwner
  function isDelegate( address addr ) external view onlyOwner returns ( bool ){
    return _delegates[addr];
  }

  function setDelegate( address addr, bool isDelegate_ ) external onlyOwner{
    _delegates[addr] = isDelegate_;
  }

  function transferOwnership(address newOwner) public virtual override onlyOwner {
    _delegates[newOwner] = true;
    super.transferOwnership( newOwner );
  }
}

File 9 of 19 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

File 10 of 19 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

File 11 of 19 : MerkleProof.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

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

File 12 of 19 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

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

    /**
     * @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);
    }
}

File 13 of 19 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

File 14 of 19 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

File 15 of 19 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

File 16 of 19 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

File 17 of 19 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

File 18 of 19 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

File 19 of 19 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

    /**
     * @dev 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);
    }
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 100
  },
  "evmVersion": "london",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

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inputs":[{"internalType":"address","name":"","type":"address"}],"name":"owners","outputs":[{"internalType":"uint16","name":"balance","type":"uint16"},{"internalType":"uint16","name":"purchased","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"payee","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"account","type":"address"}],"name":"release","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"released","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"isPresaleActive_","type":"bool"},{"internalType":"bool","name":"isMainsaleActive_","type":"bool"}],"name":"setActive","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":"_newPrefix","type":"string"},{"internalType":"string","name":"_newSuffix","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxOrder","type":"uint256"},{"internalType":"uint256","name":"maxSupply","type":"uint256"},{"internalType":"uint256","name":"maxMint","type":"uint256"},{"internalType":"uint256","name":"price","type":"uint256"}],"name":"setConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"bool","name":"isDelegate_","type":"bool"}],"name":"setDelegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"merkleRoot_","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"shares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"isSupported","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"symbol_","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokens","outputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalReleased","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"transferBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"wallet","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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This is the MEFaverse by Method Man of WuTang Clan, where hip hop culture, gaming, art, tech, entertainment, and comic books collide. Inspired by the vision of Method Man himself, as well as a team of experts and innovation leaders, the MEFaverse strives to push the boundaries...

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.