ETH Price: $2,025.67 (-0.82%)

Transaction Decoder

Block:
15878973 at Nov-02-2022 01:12:11 AM +UTC
Transaction Fee:
0.001818767677355965 ETH $3.68
Gas Used:
183,629 Gas / 9.904577585 Gwei

Emitted Events:

221 0xc933d2962c74540a5a67bf15fc8cfd06ba79e444.0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef( 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef, 0x0000000000000000000000000000000000000000000000000000000000000000, 0x0000000000000000000000005ed96e1f24d921fe605eda9aa06fc082023e1bd8, 0x000000000000000000000000000000000000000000000000000000000000002e )
222 ERC721LazyPayableClaim.ClaimMint( creatorContract=0xc933d2962c74540a5a67bf15fc8cfd06ba79e444, claimIndex=2 )

Account State Difference:

  Address   Before After State Difference Code
0x5ebFD58C...2C0b4a444
(Manifold Finance: ERC721 LPC 2)
0x5eD96e1f...2023E1bd8
0.006 Eth
Nonce: 0
0.000181232322644035 Eth
Nonce: 1
0.005818767677355965
0x82798b3F...c29fAE3Bd 0.343441439001682744 Eth0.347441439001682744 Eth0.004
(Eden Network: Builder)
3.460076147511376676 Eth3.460259776511376676 Eth0.000183629
0xc933D296...6Ba79e444

Execution Trace

ETH 0.004 ERC721LazyPayableClaim.mint( )
  • 0xc933d2962c74540a5a67bf15fc8cfd06ba79e444.2928ca58( )
    • ERC721CreatorImplementation.mintExtension( to=0x5eD96e1f24D921Fe605EDa9aa06fC082023E1bd8 ) => ( 46 )
    • ETH 0.004 0x82798b3f836964452f14b91474a5f3cc29fae3bd.CALL( )
      File 1 of 2: ERC721LazyPayableClaim
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "@manifoldxyz/creator-core-solidity/contracts/core/IERC721CreatorCore.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "@manifoldxyz/creator-core-solidity/contracts/extensions/ICreatorExtensionTokenURI.sol";
      import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
      import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
      import "@openzeppelin/contracts/interfaces/IERC165.sol";
      import "@openzeppelin/contracts/utils/Strings.sol";
      import "./IERC721LazyPayableClaim.sol";
      /**
       * @title Lazy Payable Claim
       * @author manifold.xyz
       * @notice Lazy payable claim with optional whitelist ERC721 tokens
       */
      contract ERC721LazyPayableClaim is IERC165, IERC721LazyPayableClaim, ICreatorExtensionTokenURI, ReentrancyGuard {
          using Strings for uint256;
          string private constant ARWEAVE_PREFIX = "https://arweave.net/";
          string private constant IPFS_PREFIX = "ipfs://";
          uint256 private constant MINT_INDEX_BITMASK = 0xFF;
          // stores the number of claim instances made by a given creator contract
          // used to determine the next claimIndex for a creator contract
          // { contractAddress => claimCount }
          mapping(address => uint224) private _claimCounts;
          // stores mapping from tokenId to the claim it represents
          // { contractAddress => { tokenId => Claim } }
          mapping(address => mapping(uint256 => Claim)) private _claims;
          // ONLY USED FOR NON-MERKLE MINTS: stores the number of tokens minted per wallet per claim, in order to limit maximum
          // { contractAddress => { claimIndex => { walletAddress => walletMints } } }
          mapping(address => mapping(uint256 => mapping(address => uint256))) private _mintsPerWallet;
          // ONLY USED FOR MERKLE MINTS: stores mapping from claim to indices minted
          // { contractAddress => {claimIndex => { claimIndexOffset => index } } }
          mapping(address => mapping(uint256 => mapping(uint256 => uint256))) private _claimMintIndices;
          struct TokenClaim {
              uint224 claimIndex;
              uint32 mintOrder;
          }
          // stores which tokenId corresponds to which claimIndex, used to generate token uris
          // { contractAddress => { tokenId => TokenClaim } }
          mapping(address => mapping(uint256 => TokenClaim)) private _tokenClaims;
          function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165) returns (bool) {
              return interfaceId == type(IERC721LazyPayableClaim).interfaceId ||
                  interfaceId == type(ICreatorExtensionTokenURI).interfaceId ||
                  interfaceId == type(IERC165).interfaceId;
          }
          
          /**
           * @notice This extension is shared, not single-creator. So we must ensure
           * that a claim's initializer is an admin on the creator contract
           * @param creatorContractAddress    the address of the creator contract to check the admin against
           */
          modifier creatorAdminRequired(address creatorContractAddress) {
              AdminControl creatorCoreContract = AdminControl(creatorContractAddress);
              require(creatorCoreContract.isAdmin(msg.sender), "Wallet is not an administrator for contract");
              _;
          }
          /**
           * See {IERC721LazyClaim-initializeClaim}.
           */
          function initializeClaim(
              address creatorContractAddress,
              ClaimParameters calldata claimParameters
          ) external override creatorAdminRequired(creatorContractAddress) returns (uint256) {
              // Sanity checks
              require(claimParameters.storageProtocol != StorageProtocol.INVALID, "Cannot initialize with invalid storage protocol");
              require(claimParameters.endDate == 0 || claimParameters.startDate < claimParameters.endDate, "Cannot have startDate greater than or equal to endDate");
              require(claimParameters.merkleRoot == "" || claimParameters.walletMax == 0, "Cannot provide both mintsPerWallet and merkleRoot");
          
              // Get the index for the new claim
              _claimCounts[creatorContractAddress]++;
              uint224 newIndex = _claimCounts[creatorContractAddress];
              // Create the claim
              _claims[creatorContractAddress][newIndex] = Claim({
                  total: 0,
                  totalMax: claimParameters.totalMax,
                  walletMax: claimParameters.walletMax,
                  startDate: claimParameters.startDate,
                  endDate: claimParameters.endDate,
                  storageProtocol: claimParameters.storageProtocol,
                  identical: claimParameters.identical,
                  merkleRoot: claimParameters.merkleRoot,
                  location: claimParameters.location,
                  cost: claimParameters.cost,
                  paymentReceiver: claimParameters.paymentReceiver
              });
              emit ClaimInitialized(creatorContractAddress, newIndex, msg.sender);
              return newIndex;
          }
          /**
           * See {IERC721LazyClaim-udpateClaim}.
           */
          function updateClaim(
              address creatorContractAddress,
              uint256 claimIndex,
              ClaimParameters calldata claimParameters
          ) external override creatorAdminRequired(creatorContractAddress) {
              // Sanity checks
              require(_claims[creatorContractAddress][claimIndex].storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
              require(claimParameters.storageProtocol != StorageProtocol.INVALID, "Cannot set invalid storage protocol");
              require(_claims[creatorContractAddress][claimIndex].totalMax == 0 ||  _claims[creatorContractAddress][claimIndex].totalMax <= claimParameters.totalMax, "Cannot decrease totalMax");
              require(_claims[creatorContractAddress][claimIndex].walletMax == 0 || _claims[creatorContractAddress][claimIndex].walletMax <= claimParameters.walletMax, "Cannot decrease walletMax");
              require(claimParameters.endDate == 0 || claimParameters.startDate < claimParameters.endDate, "Cannot have startDate greater than or equal to endDate");
              // Overwrite the existing claim
              _claims[creatorContractAddress][claimIndex] = Claim({
                  total: _claims[creatorContractAddress][claimIndex].total,
                  totalMax: claimParameters.totalMax,
                  walletMax: claimParameters.walletMax,
                  startDate: claimParameters.startDate,
                  endDate: claimParameters.endDate,
                  storageProtocol: claimParameters.storageProtocol,
                  identical: claimParameters.identical,
                  merkleRoot: claimParameters.merkleRoot,
                  location: claimParameters.location,
                  cost: claimParameters.cost,
                  paymentReceiver: claimParameters.paymentReceiver
              });
          }
          /**
           * See {IERC721LazyClaim-getClaimCount}.
           */
          function getClaimCount(address creatorContractAddress) external override view returns(uint256) {
              return _claimCounts[creatorContractAddress];
          }
          /**
           * See {IERC721LazyClaim-getClaim}.
           */
          function getClaim(address creatorContractAddress, uint256 claimIndex) external override view returns(Claim memory) {
              require(_claims[creatorContractAddress][claimIndex].storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
              return _claims[creatorContractAddress][claimIndex];
          }
          /**
           * See {IERC721LazyClaim-checkMintIndex}.
           */
          function checkMintIndex(address creatorContractAddress, uint256 claimIndex, uint32 mintIndex) public override view returns(bool) {
              Claim storage claim = _claims[creatorContractAddress][claimIndex];
              require(claim.storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
              require(claim.merkleRoot != "", "Can only check merkle claims");
              uint256 claimMintIndex = mintIndex >> 8;
              uint256 claimMintTracking = _claimMintIndices[creatorContractAddress][claimIndex][claimMintIndex];
              uint256 mintBitmask = 1 << (mintIndex & MINT_INDEX_BITMASK);
              return mintBitmask & claimMintTracking != 0;
          }
          /**
           * See {IERC721LazyClaim-checkMintIndices}.
           */
          function checkMintIndices(address creatorContractAddress, uint256 claimIndex, uint32[] calldata mintIndices) external override view returns(bool[] memory minted) {
              minted = new bool[](mintIndices.length);
              for (uint i = 0; i < mintIndices.length; i++) {
                  minted[i] = checkMintIndex(creatorContractAddress, claimIndex, mintIndices[i]);
              }
          }
          /**
           * See {IERC721LazyClaim-getTotalMints}.
           */
          function getTotalMints(address minter, address creatorContractAddress, uint256 claimIndex) external override view returns(uint32) {
              Claim storage claim = _claims[creatorContractAddress][claimIndex];
              require(claim.storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
              require(claim.walletMax != 0, "Can only retrieve for non-merkle claims with walletMax");
              return  uint32(_mintsPerWallet[creatorContractAddress][claimIndex][minter]);
          }
          /**
           * See {IERC721LazyClaim-mint}.
           */
          function mint(address creatorContractAddress, uint256 claimIndex, uint32 mintIndex, bytes32[] calldata merkleProof) external payable override {
              Claim storage claim = _claims[creatorContractAddress][claimIndex];
              // Safely retrieve the claim
              require(claim.storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
              // Check price
              require(msg.value == claim.cost, "Must pay more.");
              // Check timestamps
              require(claim.startDate == 0 || claim.startDate < block.timestamp, "Transaction before start date");
              require(claim.endDate == 0 || claim.endDate >= block.timestamp, "Transaction after end date");
              // Check totalMax
              require(claim.totalMax == 0 || claim.total < claim.totalMax, "Maximum tokens already minted for this claim");
              if (claim.merkleRoot != "") {
                  // Merkle mint
                  _checkMerkleAndUpdate(claim, creatorContractAddress, claimIndex, mintIndex, merkleProof);
              } else {
                  // Non-merkle mint
                  if (claim.walletMax != 0) {
                      require(_mintsPerWallet[creatorContractAddress][claimIndex][msg.sender] < claim.walletMax, "Maximum tokens already minted for this wallet");
                      unchecked{ _mintsPerWallet[creatorContractAddress][claimIndex][msg.sender]++; }
                  }
              }
              unchecked{ claim.total++; }
              // Do mint
              uint256 newTokenId = IERC721CreatorCore(creatorContractAddress).mintExtension(msg.sender);
              // Insert the new tokenId into _tokenClaims for the current claim address & index
              _tokenClaims[creatorContractAddress][newTokenId] = TokenClaim(uint224(claimIndex), claim.total);
              payable(claim.paymentReceiver).transfer(msg.value);
              emit ClaimMint(creatorContractAddress, claimIndex);
          }
          /**
           * See {IERC721LazyClaim-mintBatch}.
           */
          function mintBatch(address creatorContractAddress, uint256 claimIndex, uint16 mintCount, uint32[] calldata mintIndices, bytes32[][] calldata merkleProofs) external payable override {
              Claim storage claim = _claims[creatorContractAddress][claimIndex];
              
              // Safely retrieve the claim
              require(claim.storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
              // Check price
              require(msg.value == claim.cost * mintCount, "Must pay more.");
              // Check timestamps
              require(claim.startDate == 0 || claim.startDate < block.timestamp, "Transaction before start date");
              require(claim.endDate == 0 || claim.endDate >= block.timestamp, "Transaction after end date");
              // Check totalMax
              require(claim.totalMax == 0 || claim.total+mintCount <= claim.totalMax, "Too many requested for this claim");
              
              uint256 newMintIndex = claim.total+1;
              unchecked{ claim.total += mintCount; }
              if (claim.merkleRoot != "") {
                  require(mintCount == mintIndices.length && mintCount == merkleProofs.length, "Invalid input");
                  // Merkle mint
                  for (uint i = 0; i < mintCount; ) {
                      uint32 mintIndex = mintIndices[i];
                      bytes32[] memory merkleProof = merkleProofs[i];
                      
                      _checkMerkleAndUpdate(claim, creatorContractAddress, claimIndex, mintIndex, merkleProof);
                      unchecked { i++; }
                  }
              } else {
                  // Non-merkle mint
                  if (claim.walletMax != 0) {
                      require(_mintsPerWallet[creatorContractAddress][claimIndex][msg.sender]+mintCount <= claim.walletMax, "Too many requested for this wallet");
                      unchecked{ _mintsPerWallet[creatorContractAddress][claimIndex][msg.sender] += mintCount; }
                  }
                  
              }
              uint256[] memory newTokenIds = IERC721CreatorCore(creatorContractAddress).mintExtensionBatch(msg.sender, mintCount);
              for (uint i = 0; i < mintCount; ) {
                  _tokenClaims[creatorContractAddress][newTokenIds[i]] = TokenClaim(uint224(claimIndex), uint32(newMintIndex+i));
                  unchecked { i++; }
              }
              payable(claim.paymentReceiver).transfer(msg.value);
              emit ClaimMintBatch(creatorContractAddress, claimIndex, mintCount);
          }
          /**
           * Helper to check merkle proof and whether or not the mintIndex was consumed. Also updates the consumed counts
           */
          function _checkMerkleAndUpdate(Claim storage claim, address creatorContractAddress, uint256 claimIndex, uint32 mintIndex, bytes32[] memory merkleProof) private {
              // Merkle mint
              bytes32 leaf = keccak256(abi.encodePacked(msg.sender, mintIndex));
              require(MerkleProof.verify(merkleProof, claim.merkleRoot, leaf), "Could not verify merkle proof");
              // Check if mintIndex has been minted
              uint256 claimMintIndex = mintIndex >> 8;
              uint256 claimMintTracking = _claimMintIndices[creatorContractAddress][claimIndex][claimMintIndex];
              uint256 mintBitmask = 1 << (mintIndex & MINT_INDEX_BITMASK);
              require(mintBitmask & claimMintTracking == 0, "Already minted");
              _claimMintIndices[creatorContractAddress][claimIndex][claimMintIndex] = claimMintTracking | mintBitmask;
          }
          /**
           * See {ICreatorExtensionTokenURI-tokenURI}.
           */
          function tokenURI(address creatorContractAddress, uint256 tokenId) external override view returns(string memory uri) {
              TokenClaim memory tokenClaim = _tokenClaims[creatorContractAddress][tokenId];
              require(tokenClaim.claimIndex > 0, "Token does not exist");
              Claim memory claim = _claims[creatorContractAddress][tokenClaim.claimIndex];
              string memory prefix = "";
              if (claim.storageProtocol == StorageProtocol.ARWEAVE) {
                  prefix = ARWEAVE_PREFIX;
              } else if (claim.storageProtocol == StorageProtocol.IPFS) {
                  prefix = IPFS_PREFIX;
              }
              uri = string(abi.encodePacked(prefix, claim.location));
              // Depending on params, we may want to append a suffix to location
              if (!claim.identical) {
                  uri = string(abi.encodePacked(uri, "/", uint256(tokenClaim.mintOrder).toString()));
              }
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      /**
       * Lazy Payable Claim interface
       */
      interface IERC721LazyPayableClaim {
          enum StorageProtocol { INVALID, NONE, ARWEAVE, IPFS }
          struct ClaimParameters {
              uint32 totalMax;
              uint32 walletMax;
              uint48 startDate;
              uint48 endDate;
              StorageProtocol storageProtocol;
              bool identical;
              bytes32 merkleRoot;
              string location;
              uint cost;
              address paymentReceiver;
          }
          struct Claim {
              uint32 total;
              uint32 totalMax;
              uint32 walletMax;
              uint48 startDate;
              uint48 endDate;
              StorageProtocol storageProtocol;
              bool identical;
              bytes32 merkleRoot;
              string location;
              uint cost;
              address paymentReceiver;
          }
          event ClaimInitialized(address indexed creatorContract, uint224 indexed claimIndex, address initializer);
          event ClaimMint(address indexed creatorContract, uint256 indexed claimIndex);
          event ClaimMintBatch(address indexed creatorContract, uint256 indexed claimIndex, uint16 mintCount);
          /**
           * @notice initialize a new claim, emit initialize event, and return the newly created index
           * @param creatorContractAddress    the creator contract the claim will mint tokens for
           * @param claimParameters           the parameters which will affect the minting behavior of the claim
           * @return                          the index of the newly created claim
           */
          function initializeClaim(address creatorContractAddress, ClaimParameters calldata claimParameters) external returns(uint256);
          /**
           * @notice update an existing claim at claimIndex
           * @param creatorContractAddress    the creator contract corresponding to the claim
           * @param claimIndex                the index of the claim in the list of creatorContractAddress' _claims
           * @param claimParameters           the parameters which will affect the minting behavior of the claim
           */
          function updateClaim(address creatorContractAddress, uint256 claimIndex, ClaimParameters calldata claimParameters) external;
      /**
           * @notice get the number of _claims initialized for a given creator contract
           * @param creatorContractAddress    the address of the creator contract
           * @return                          the number of _claims initialized for this creator contract
           */
          function getClaimCount(address creatorContractAddress) external view returns(uint256);
          /**
           * @notice get a claim corresponding to a creator contract and index
           * @param creatorContractAddress    the address of the creator contract
           * @param claimIndex                the index of the claim
           * @return                          the claim object
           */
          function getClaim(address creatorContractAddress, uint256 claimIndex) external view returns(Claim memory);
          /**
           * @notice check if a mint index has been consumed or not (only for merkle claims)
           *
           * @param creatorContractAddress    the address of the creator contract for the claim
           * @param claimIndex                the index of the claim
           * @param mintIndex                 the mint index of the claim
           * @return                          whether or not the mint index was consumed
           */
          function checkMintIndex(address creatorContractAddress, uint256 claimIndex, uint32 mintIndex) external view returns(bool);
          /**
           * @notice check if multiple mint indices has been consumed or not (only for merkle claims)
           *
           * @param creatorContractAddress    the address of the creator contract for the claim
           * @param claimIndex                the index of the claim
           * @param mintIndices               the mint index of the claim
           * @return                          whether or not the mint index was consumed
           */
          function checkMintIndices(address creatorContractAddress, uint256 claimIndex, uint32[] calldata mintIndices) external view returns(bool[] memory);
          /**
           * @notice get mints made for a wallet (only for non-merkle claims with walletMax)
           *
           * @param minter                    the address of the minting address
           * @param creatorContractAddress    the address of the creator contract for the claim
           * @param claimIndex                the index of the claim
           * @return                          how many mints the minter has made
           */
          function getTotalMints(address minter, address creatorContractAddress, uint256 claimIndex) external view returns(uint32);
          /**
           * @notice allow a wallet to lazily claim a token according to parameters
           * @param creatorContractAddress    the creator contract address
           * @param claimIndex                the index of the claim for which we will mint
           * @param mintIndex                 the mint index (only needed for merkle claims)
           * @param merkleProof               if the claim has a merkleRoot, verifying merkleProof ensures that address + minterValue was used to construct it  (only needed for merkle claims)
           */
          function mint(address creatorContractAddress, uint256 claimIndex, uint32 mintIndex, bytes32[] calldata merkleProof) external payable;
          /**
           * @notice allow a wallet to lazily claim a token according to parameters
           * @param creatorContractAddress    the creator contract address
           * @param claimIndex                the index of the claim for which we will mint
           * @param mintCount                 the number of claims to mint
           * @param mintIndices               the mint index (only needed for merkle claims)
           * @param merkleProofs              if the claim has a merkleRoot, verifying merkleProof ensures that address + minterValue was used to construct it  (only needed for merkle claims)
           */
          function mintBatch(address creatorContractAddress, uint256 claimIndex, uint16 mintCount, uint32[] calldata mintIndices, bytes32[][] calldata merkleProofs) external payable;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "./ICreatorCore.sol";
      /**
       * @dev Core ERC721 creator interface
       */
      interface IERC721CreatorCore is ICreatorCore {
          /**
           * @dev mint a token with no extension. Can only be called by an admin.
           * Returns tokenId minted
           */
          function mintBase(address to) external returns (uint256);
          /**
           * @dev mint a token with no extension. Can only be called by an admin.
           * Returns tokenId minted
           */
          function mintBase(address to, string calldata uri) external returns (uint256);
          /**
           * @dev batch mint a token with no extension. Can only be called by an admin.
           * Returns tokenId minted
           */
          function mintBaseBatch(address to, uint16 count) external returns (uint256[] memory);
          /**
           * @dev batch mint a token with no extension. Can only be called by an admin.
           * Returns tokenId minted
           */
          function mintBaseBatch(address to, string[] calldata uris) external returns (uint256[] memory);
          /**
           * @dev mint a token. Can only be called by a registered extension.
           * Returns tokenId minted
           */
          function mintExtension(address to) external returns (uint256);
          /**
           * @dev mint a token. Can only be called by a registered extension.
           * Returns tokenId minted
           */
          function mintExtension(address to, string calldata uri) external returns (uint256);
          /**
           * @dev batch mint a token. Can only be called by a registered extension.
           * Returns tokenIds minted
           */
          function mintExtensionBatch(address to, uint16 count) external returns (uint256[] memory);
          /**
           * @dev batch mint a token. Can only be called by a registered extension.
           * Returns tokenId minted
           */
          function mintExtensionBatch(address to, string[] calldata uris) external returns (uint256[] memory);
          /**
           * @dev burn a token. Can only be called by token owner or approved address.
           * On burn, calls back to the registered extension's onBurn method
           */
          function burn(uint256 tokenId) external;
      }// 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/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 = keccak256(abi.encodePacked(computedHash, proofElement));
                  } else {
                      // Hash(current element of the proof + current computed hash)
                      computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
                  }
              }
              return computedHash;
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Implement this if you want your extension to have overloadable URI's
       */
      interface ICreatorExtensionTokenURI is IERC165 {
          /**
           * Get the uri for a given creator/tokenId
           */
          function tokenURI(address creator, uint256 tokenId) external view returns (string memory);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
      import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
      import "@openzeppelin/contracts/access/Ownable.sol";
      import "./IAdminControl.sol";
      abstract contract AdminControl is Ownable, IAdminControl, ERC165 {
          using EnumerableSet for EnumerableSet.AddressSet;
          // Track registered admins
          EnumerableSet.AddressSet private _admins;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
              return interfaceId == type(IAdminControl).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev Only allows approved admins to call the specified function
           */
          modifier adminRequired() {
              require(owner() == msg.sender || _admins.contains(msg.sender), "AdminControl: Must be owner or admin");
              _;
          }   
          /**
           * @dev See {IAdminControl-getAdmins}.
           */
          function getAdmins() external view override returns (address[] memory admins) {
              admins = new address[](_admins.length());
              for (uint i = 0; i < _admins.length(); i++) {
                  admins[i] = _admins.at(i);
              }
              return admins;
          }
          /**
           * @dev See {IAdminControl-approveAdmin}.
           */
          function approveAdmin(address admin) external override onlyOwner {
              if (!_admins.contains(admin)) {
                  emit AdminApproved(admin, msg.sender);
                  _admins.add(admin);
              }
          }
          /**
           * @dev See {IAdminControl-revokeAdmin}.
           */
          function revokeAdmin(address admin) external override onlyOwner {
              if (_admins.contains(admin)) {
                  emit AdminRevoked(admin, msg.sender);
                  _admins.remove(admin);
              }
          }
          /**
           * @dev See {IAdminControl-isAdmin}.
           */
          function isAdmin(address admin) public override view returns (bool) {
              return (owner() == admin || _admins.contains(admin));
          }
      }// SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol)
      pragma solidity ^0.8.0;
      import "../utils/introspection/IERC165.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);
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Core creator interface
       */
      interface ICreatorCore is IERC165 {
          event ExtensionRegistered(address indexed extension, address indexed sender);
          event ExtensionUnregistered(address indexed extension, address indexed sender);
          event ExtensionBlacklisted(address indexed extension, address indexed sender);
          event MintPermissionsUpdated(address indexed extension, address indexed permissions, address indexed sender);
          event RoyaltiesUpdated(uint256 indexed tokenId, address payable[] receivers, uint256[] basisPoints);
          event DefaultRoyaltiesUpdated(address payable[] receivers, uint256[] basisPoints);
          event ExtensionRoyaltiesUpdated(address indexed extension, address payable[] receivers, uint256[] basisPoints);
          event ExtensionApproveTransferUpdated(address indexed extension, bool enabled);
          /**
           * @dev gets address of all extensions
           */
          function getExtensions() external view returns (address[] memory);
          /**
           * @dev add an extension.  Can only be called by contract owner or admin.
           * extension address must point to a contract implementing ICreatorExtension.
           * Returns True if newly added, False if already added.
           */
          function registerExtension(address extension, string calldata baseURI) external;
          /**
           * @dev add an extension.  Can only be called by contract owner or admin.
           * extension address must point to a contract implementing ICreatorExtension.
           * Returns True if newly added, False if already added.
           */
          function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external;
          /**
           * @dev add an extension.  Can only be called by contract owner or admin.
           * Returns True if removed, False if already removed.
           */
          function unregisterExtension(address extension) external;
          /**
           * @dev blacklist an extension.  Can only be called by contract owner or admin.
           * This function will destroy all ability to reference the metadata of any tokens created
           * by the specified extension. It will also unregister the extension if needed.
           * Returns True if removed, False if already removed.
           */
          function blacklistExtension(address extension) external;
          /**
           * @dev set the baseTokenURI of an extension.  Can only be called by extension.
           */
          function setBaseTokenURIExtension(string calldata uri) external;
          /**
           * @dev set the baseTokenURI of an extension.  Can only be called by extension.
           * For tokens with no uri configured, tokenURI will return "uri+tokenId"
           */
          function setBaseTokenURIExtension(string calldata uri, bool identical) external;
          /**
           * @dev set the common prefix of an extension.  Can only be called by extension.
           * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI"
           * Useful if you want to use ipfs/arweave
           */
          function setTokenURIPrefixExtension(string calldata prefix) external;
          /**
           * @dev set the tokenURI of a token extension.  Can only be called by extension that minted token.
           */
          function setTokenURIExtension(uint256 tokenId, string calldata uri) external;
          /**
           * @dev set the tokenURI of a token extension for multiple tokens.  Can only be called by extension that minted token.
           */
          function setTokenURIExtension(uint256[] memory tokenId, string[] calldata uri) external;
          /**
           * @dev set the baseTokenURI for tokens with no extension.  Can only be called by owner/admin.
           * For tokens with no uri configured, tokenURI will return "uri+tokenId"
           */
          function setBaseTokenURI(string calldata uri) external;
          /**
           * @dev set the common prefix for tokens with no extension.  Can only be called by owner/admin.
           * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI"
           * Useful if you want to use ipfs/arweave
           */
          function setTokenURIPrefix(string calldata prefix) external;
          /**
           * @dev set the tokenURI of a token with no extension.  Can only be called by owner/admin.
           */
          function setTokenURI(uint256 tokenId, string calldata uri) external;
          /**
           * @dev set the tokenURI of multiple tokens with no extension.  Can only be called by owner/admin.
           */
          function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external;
          /**
           * @dev set a permissions contract for an extension.  Used to control minting.
           */
          function setMintPermissions(address extension, address permissions) external;
          /**
           * @dev Configure so transfers of tokens created by the caller (must be extension) gets approval
           * from the extension before transferring
           */
          function setApproveTransferExtension(bool enabled) external;
          /**
           * @dev get the extension of a given token
           */
          function tokenExtension(uint256 tokenId) external view returns (address);
          /**
           * @dev Set default royalties
           */
          function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external;
          /**
           * @dev Set royalties of a token
           */
          function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external;
          /**
           * @dev Set royalties of an extension
           */
          function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external;
          /**
           * @dev Get royalites of a token.  Returns list of receivers and basisPoints
           */
          function getRoyalties(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory);
          
          // Royalty support for various other standards
          function getFeeRecipients(uint256 tokenId) external view returns (address payable[] memory);
          function getFeeBps(uint256 tokenId) external view returns (uint[] memory);
          function getFees(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory);
          function royaltyInfo(uint256 tokenId, uint256 value) external view returns (address, uint256);
      }
      // 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 (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 v4.4.1 (utils/structs/EnumerableSet.sol)
      pragma solidity ^0.8.0;
      /**
       * @dev Library for managing
       * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
       * types.
       *
       * Sets have the following properties:
       *
       * - Elements are added, removed, and checked for existence in constant time
       * (O(1)).
       * - Elements are enumerated in O(n). No guarantees are made on the ordering.
       *
       * ```
       * contract Example {
       *     // Add the library methods
       *     using EnumerableSet for EnumerableSet.AddressSet;
       *
       *     // Declare a set state variable
       *     EnumerableSet.AddressSet private mySet;
       * }
       * ```
       *
       * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
       * and `uint256` (`UintSet`) are supported.
       */
      library EnumerableSet {
          // To implement this library for multiple types with as little code
          // repetition as possible, we write it in terms of a generic Set type with
          // bytes32 values.
          // The Set implementation uses private functions, and user-facing
          // implementations (such as AddressSet) are just wrappers around the
          // underlying Set.
          // This means that we can only create new EnumerableSets for types that fit
          // in bytes32.
          struct Set {
              // Storage of set values
              bytes32[] _values;
              // Position of the value in the `values` array, plus 1 because index 0
              // means a value is not in the set.
              mapping(bytes32 => uint256) _indexes;
          }
          /**
           * @dev Add a value to a set. O(1).
           *
           * Returns true if the value was added to the set, that is if it was not
           * already present.
           */
          function _add(Set storage set, bytes32 value) private returns (bool) {
              if (!_contains(set, value)) {
                  set._values.push(value);
                  // The value is stored at length-1, but we add 1 to all indexes
                  // and use 0 as a sentinel value
                  set._indexes[value] = set._values.length;
                  return true;
              } else {
                  return false;
              }
          }
          /**
           * @dev Removes a value from a set. O(1).
           *
           * Returns true if the value was removed from the set, that is if it was
           * present.
           */
          function _remove(Set storage set, bytes32 value) private returns (bool) {
              // We read and store the value's index to prevent multiple reads from the same storage slot
              uint256 valueIndex = set._indexes[value];
              if (valueIndex != 0) {
                  // Equivalent to contains(set, value)
                  // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
                  // the array, and then remove the last element (sometimes called as 'swap and pop').
                  // This modifies the order of the array, as noted in {at}.
                  uint256 toDeleteIndex = valueIndex - 1;
                  uint256 lastIndex = set._values.length - 1;
                  if (lastIndex != toDeleteIndex) {
                      bytes32 lastvalue = set._values[lastIndex];
                      // Move the last value to the index where the value to delete is
                      set._values[toDeleteIndex] = lastvalue;
                      // Update the index for the moved value
                      set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
                  }
                  // Delete the slot where the moved value was stored
                  set._values.pop();
                  // Delete the index for the deleted slot
                  delete set._indexes[value];
                  return true;
              } else {
                  return false;
              }
          }
          /**
           * @dev Returns true if the value is in the set. O(1).
           */
          function _contains(Set storage set, bytes32 value) private view returns (bool) {
              return set._indexes[value] != 0;
          }
          /**
           * @dev Returns the number of values on the set. O(1).
           */
          function _length(Set storage set) private view returns (uint256) {
              return set._values.length;
          }
          /**
           * @dev Returns the value stored at position `index` in the set. O(1).
           *
           * Note that there are no guarantees on the ordering of values inside the
           * array, and it may change when more values are added or removed.
           *
           * Requirements:
           *
           * - `index` must be strictly less than {length}.
           */
          function _at(Set storage set, uint256 index) private view returns (bytes32) {
              return set._values[index];
          }
          /**
           * @dev Return the entire set in an array
           *
           * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
           * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
           * this function has an unbounded cost, and using it as part of a state-changing function may render the function
           * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
           */
          function _values(Set storage set) private view returns (bytes32[] memory) {
              return set._values;
          }
          // Bytes32Set
          struct Bytes32Set {
              Set _inner;
          }
          /**
           * @dev Add a value to a set. O(1).
           *
           * Returns true if the value was added to the set, that is if it was not
           * already present.
           */
          function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
              return _add(set._inner, value);
          }
          /**
           * @dev Removes a value from a set. O(1).
           *
           * Returns true if the value was removed from the set, that is if it was
           * present.
           */
          function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
              return _remove(set._inner, value);
          }
          /**
           * @dev Returns true if the value is in the set. O(1).
           */
          function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
              return _contains(set._inner, value);
          }
          /**
           * @dev Returns the number of values in the set. O(1).
           */
          function length(Bytes32Set storage set) internal view returns (uint256) {
              return _length(set._inner);
          }
          /**
           * @dev Returns the value stored at position `index` in the set. O(1).
           *
           * Note that there are no guarantees on the ordering of values inside the
           * array, and it may change when more values are added or removed.
           *
           * Requirements:
           *
           * - `index` must be strictly less than {length}.
           */
          function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
              return _at(set._inner, index);
          }
          /**
           * @dev Return the entire set in an array
           *
           * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
           * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
           * this function has an unbounded cost, and using it as part of a state-changing function may render the function
           * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
           */
          function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
              return _values(set._inner);
          }
          // AddressSet
          struct AddressSet {
              Set _inner;
          }
          /**
           * @dev Add a value to a set. O(1).
           *
           * Returns true if the value was added to the set, that is if it was not
           * already present.
           */
          function add(AddressSet storage set, address value) internal returns (bool) {
              return _add(set._inner, bytes32(uint256(uint160(value))));
          }
          /**
           * @dev Removes a value from a set. O(1).
           *
           * Returns true if the value was removed from the set, that is if it was
           * present.
           */
          function remove(AddressSet storage set, address value) internal returns (bool) {
              return _remove(set._inner, bytes32(uint256(uint160(value))));
          }
          /**
           * @dev Returns true if the value is in the set. O(1).
           */
          function contains(AddressSet storage set, address value) internal view returns (bool) {
              return _contains(set._inner, bytes32(uint256(uint160(value))));
          }
          /**
           * @dev Returns the number of values in the set. O(1).
           */
          function length(AddressSet storage set) internal view returns (uint256) {
              return _length(set._inner);
          }
          /**
           * @dev Returns the value stored at position `index` in the set. O(1).
           *
           * Note that there are no guarantees on the ordering of values inside the
           * array, and it may change when more values are added or removed.
           *
           * Requirements:
           *
           * - `index` must be strictly less than {length}.
           */
          function at(AddressSet storage set, uint256 index) internal view returns (address) {
              return address(uint160(uint256(_at(set._inner, index))));
          }
          /**
           * @dev Return the entire set in an array
           *
           * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
           * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
           * this function has an unbounded cost, and using it as part of a state-changing function may render the function
           * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
           */
          function values(AddressSet storage set) internal view returns (address[] memory) {
              bytes32[] memory store = _values(set._inner);
              address[] memory result;
              assembly {
                  result := store
              }
              return result;
          }
          // UintSet
          struct UintSet {
              Set _inner;
          }
          /**
           * @dev Add a value to a set. O(1).
           *
           * Returns true if the value was added to the set, that is if it was not
           * already present.
           */
          function add(UintSet storage set, uint256 value) internal returns (bool) {
              return _add(set._inner, bytes32(value));
          }
          /**
           * @dev Removes a value from a set. O(1).
           *
           * Returns true if the value was removed from the set, that is if it was
           * present.
           */
          function remove(UintSet storage set, uint256 value) internal returns (bool) {
              return _remove(set._inner, bytes32(value));
          }
          /**
           * @dev Returns true if the value is in the set. O(1).
           */
          function contains(UintSet storage set, uint256 value) internal view returns (bool) {
              return _contains(set._inner, bytes32(value));
          }
          /**
           * @dev Returns the number of values on the set. O(1).
           */
          function length(UintSet storage set) internal view returns (uint256) {
              return _length(set._inner);
          }
          /**
           * @dev Returns the value stored at position `index` in the set. O(1).
           *
           * Note that there are no guarantees on the ordering of values inside the
           * array, and it may change when more values are added or removed.
           *
           * Requirements:
           *
           * - `index` must be strictly less than {length}.
           */
          function at(UintSet storage set, uint256 index) internal view returns (uint256) {
              return uint256(_at(set._inner, index));
          }
          /**
           * @dev Return the entire set in an array
           *
           * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
           * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
           * this function has an unbounded cost, and using it as part of a state-changing function may render the function
           * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
           */
          function values(UintSet storage set) internal view returns (uint256[] memory) {
              bytes32[] memory store = _values(set._inner);
              uint256[] memory result;
              assembly {
                  result := store
              }
              return result;
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Interface for admin control
       */
      interface IAdminControl is IERC165 {
          event AdminApproved(address indexed account, address indexed sender);
          event AdminRevoked(address indexed account, address indexed sender);
          /**
           * @dev gets address of all admins
           */
          function getAdmins() external view returns (address[] memory);
          /**
           * @dev add an admin.  Can only be called by contract owner.
           */
          function approveAdmin(address admin) external;
          /**
           * @dev remove an admin.  Can only be called by contract owner.
           */
          function revokeAdmin(address admin) external;
          /**
           * @dev checks whether or not given address is an admin
           * Returns True if they are
           */
          function isAdmin(address admin) external view returns (bool);
      }// 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 2 of 2: ERC721CreatorImplementation
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
      import "@openzeppelin/contracts/utils/Strings.sol";
      import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
      import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
      import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
      import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
      import "../extensions/ICreatorExtensionTokenURI.sol";
      import "./ICreatorCore.sol";
      /**
       * @dev Core creator implementation
       */
      abstract contract CreatorCore is ReentrancyGuard, ICreatorCore, ERC165 {
          using Strings for uint256;
          using EnumerableSet for EnumerableSet.AddressSet;
          using AddressUpgradeable for address;
          uint256 _tokenCount = 0;
          // Track registered extensions data
          EnumerableSet.AddressSet internal _extensions;
          EnumerableSet.AddressSet internal _blacklistedExtensions;
          mapping (address => address) internal _extensionPermissions;
          mapping (address => bool) internal _extensionApproveTransfers;
          
          // For tracking which extension a token was minted by
          mapping (uint256 => address) internal _tokensExtension;
          // The baseURI for a given extension
          mapping (address => string) private _extensionBaseURI;
          mapping (address => bool) private _extensionBaseURIIdentical;
          // The prefix for any tokens with a uri configured
          mapping (address => string) private _extensionURIPrefix;
          // Mapping for individual token URIs
          mapping (uint256 => string) internal _tokenURIs;
          
          // Royalty configurations
          mapping (address => address payable[]) internal _extensionRoyaltyReceivers;
          mapping (address => uint256[]) internal _extensionRoyaltyBPS;
          mapping (uint256 => address payable[]) internal _tokenRoyaltyReceivers;
          mapping (uint256 => uint256[]) internal _tokenRoyaltyBPS;
          /**
           * External interface identifiers for royalties
           */
          /**
           *  @dev CreatorCore
           *
           *  bytes4(keccak256('getRoyalties(uint256)')) == 0xbb3bafd6
           *
           *  => 0xbb3bafd6 = 0xbb3bafd6
           */
          bytes4 private constant _INTERFACE_ID_ROYALTIES_CREATORCORE = 0xbb3bafd6;
          /**
           *  @dev Rarible: RoyaltiesV1
           *
           *  bytes4(keccak256('getFeeRecipients(uint256)')) == 0xb9c4d9fb
           *  bytes4(keccak256('getFeeBps(uint256)')) == 0x0ebd4c7f
           *
           *  => 0xb9c4d9fb ^ 0x0ebd4c7f = 0xb7799584
           */
          bytes4 private constant _INTERFACE_ID_ROYALTIES_RARIBLE = 0xb7799584;
          /**
           *  @dev Foundation
           *
           *  bytes4(keccak256('getFees(uint256)')) == 0xd5a06d4c
           *
           *  => 0xd5a06d4c = 0xd5a06d4c
           */
          bytes4 private constant _INTERFACE_ID_ROYALTIES_FOUNDATION = 0xd5a06d4c;
          /**
           *  @dev EIP-2981
           *
           * bytes4(keccak256("royaltyInfo(uint256,uint256)")) == 0x2a55205a
           *
           * => 0x2a55205a = 0x2a55205a
           */
          bytes4 private constant _INTERFACE_ID_ROYALTIES_EIP2981 = 0x2a55205a;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
              return interfaceId == type(ICreatorCore).interfaceId || super.supportsInterface(interfaceId)
                  || interfaceId == _INTERFACE_ID_ROYALTIES_CREATORCORE || interfaceId == _INTERFACE_ID_ROYALTIES_RARIBLE
                  || interfaceId == _INTERFACE_ID_ROYALTIES_FOUNDATION || interfaceId == _INTERFACE_ID_ROYALTIES_EIP2981;
          }
          /**
           * @dev Only allows registered extensions to call the specified function
           */
          modifier extensionRequired() {
              require(_extensions.contains(msg.sender), "Must be registered extension");
              _;
          }
          /**
           * @dev Only allows non-blacklisted extensions
           */
          modifier nonBlacklistRequired(address extension) {
              require(!_blacklistedExtensions.contains(extension), "Extension blacklisted");
              _;
          }   
          /**
           * @dev See {ICreatorCore-getExtensions}.
           */
          function getExtensions() external view override returns (address[] memory extensions) {
              extensions = new address[](_extensions.length());
              for (uint i = 0; i < _extensions.length(); i++) {
                  extensions[i] = _extensions.at(i);
              }
              return extensions;
          }
          /**
           * @dev Register an extension
           */
          function _registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) internal {
              require(extension != address(this), "Creator: Invalid");
              require(extension.isContract(), "Creator: Extension must be a contract");
              if (!_extensions.contains(extension)) {
                  _extensionBaseURI[extension] = baseURI;
                  _extensionBaseURIIdentical[extension] = baseURIIdentical;
                  emit ExtensionRegistered(extension, msg.sender);
                  _extensions.add(extension);
              }
          }
          /**
           * @dev Unregister an extension
           */
          function _unregisterExtension(address extension) internal {
             if (_extensions.contains(extension)) {
                 emit ExtensionUnregistered(extension, msg.sender);
                 _extensions.remove(extension);
             }
          }
          /**
           * @dev Blacklist an extension
           */
          function _blacklistExtension(address extension) internal {
             require(extension != address(this), "Cannot blacklist yourself");
             if (_extensions.contains(extension)) {
                 emit ExtensionUnregistered(extension, msg.sender);
                 _extensions.remove(extension);
             }
             if (!_blacklistedExtensions.contains(extension)) {
                 emit ExtensionBlacklisted(extension, msg.sender);
                 _blacklistedExtensions.add(extension);
             }
          }
          /**
           * @dev Set base token uri for an extension
           */
          function _setBaseTokenURIExtension(string calldata uri, bool identical) internal {
              _extensionBaseURI[msg.sender] = uri;
              _extensionBaseURIIdentical[msg.sender] = identical;
          }
          /**
           * @dev Set token uri prefix for an extension
           */
          function _setTokenURIPrefixExtension(string calldata prefix) internal {
              _extensionURIPrefix[msg.sender] = prefix;
          }
          /**
           * @dev Set token uri for a token of an extension
           */
          function _setTokenURIExtension(uint256 tokenId, string calldata uri) internal {
              require(_tokensExtension[tokenId] == msg.sender, "Invalid token");
              _tokenURIs[tokenId] = uri;
          }
          /**
           * @dev Set base token uri for tokens with no extension
           */
          function _setBaseTokenURI(string memory uri) internal {
              _extensionBaseURI[address(this)] = uri;
          }
          /**
           * @dev Set token uri prefix for tokens with no extension
           */
          function _setTokenURIPrefix(string calldata prefix) internal {
              _extensionURIPrefix[address(this)] = prefix;
          }
          /**
           * @dev Set token uri for a token with no extension
           */
          function _setTokenURI(uint256 tokenId, string calldata uri) internal {
              require(_tokensExtension[tokenId] == address(this), "Invalid token");
              _tokenURIs[tokenId] = uri;
          }
          /**
           * @dev Retrieve a token's URI
           */
          function _tokenURI(uint256 tokenId) internal view returns (string memory) {
              address extension = _tokensExtension[tokenId];
              require(!_blacklistedExtensions.contains(extension), "Extension blacklisted");
              if (bytes(_tokenURIs[tokenId]).length != 0) {
                  if (bytes(_extensionURIPrefix[extension]).length != 0) {
                      return string(abi.encodePacked(_extensionURIPrefix[extension],_tokenURIs[tokenId]));
                  }
                  return _tokenURIs[tokenId];
              }
              if (ERC165Checker.supportsInterface(extension, type(ICreatorExtensionTokenURI).interfaceId)) {
                  return ICreatorExtensionTokenURI(extension).tokenURI(address(this), tokenId);
              }
              if (!_extensionBaseURIIdentical[extension]) {
                  return string(abi.encodePacked(_extensionBaseURI[extension], tokenId.toString()));
              } else {
                  return _extensionBaseURI[extension];
              }
          }
          /**
           * Get token extension
           */
          function _tokenExtension(uint256 tokenId) internal view returns (address extension) {
              extension = _tokensExtension[tokenId];
              require(extension != address(this), "No extension for token");
              require(!_blacklistedExtensions.contains(extension), "Extension blacklisted");
              return extension;
          }
          /**
           * Helper to get royalties for a token
           */
          function _getRoyalties(uint256 tokenId) view internal returns (address payable[] storage, uint256[] storage) {
              return (_getRoyaltyReceivers(tokenId), _getRoyaltyBPS(tokenId));
          }
          /**
           * Helper to get royalty receivers for a token
           */
          function _getRoyaltyReceivers(uint256 tokenId) view internal returns (address payable[] storage) {
              if (_tokenRoyaltyReceivers[tokenId].length > 0) {
                  return _tokenRoyaltyReceivers[tokenId];
              } else if (_extensionRoyaltyReceivers[_tokensExtension[tokenId]].length > 0) {
                  return _extensionRoyaltyReceivers[_tokensExtension[tokenId]];
              }
              return _extensionRoyaltyReceivers[address(this)];        
          }
          /**
           * Helper to get royalty basis points for a token
           */
          function _getRoyaltyBPS(uint256 tokenId) view internal returns (uint256[] storage) {
              if (_tokenRoyaltyBPS[tokenId].length > 0) {
                  return _tokenRoyaltyBPS[tokenId];
              } else if (_extensionRoyaltyBPS[_tokensExtension[tokenId]].length > 0) {
                  return _extensionRoyaltyBPS[_tokensExtension[tokenId]];
              }
              return _extensionRoyaltyBPS[address(this)];        
          }
          function _getRoyaltyInfo(uint256 tokenId, uint256 value) view internal returns (address receiver, uint256 amount){
              address payable[] storage receivers = _getRoyaltyReceivers(tokenId);
              require(receivers.length <= 1, "More than 1 royalty receiver");
              
              if (receivers.length == 0) {
                  return (address(this), 0);
              }
              return (receivers[0], _getRoyaltyBPS(tokenId)[0]*value/10000);
          }
          /**
           * Set royalties for a token
           */
          function _setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) internal {
              require(receivers.length == basisPoints.length, "Invalid input");
              uint256 totalBasisPoints;
              for (uint i = 0; i < basisPoints.length; i++) {
                  totalBasisPoints += basisPoints[i];
              }
              require(totalBasisPoints < 10000, "Invalid total royalties");
              _tokenRoyaltyReceivers[tokenId] = receivers;
              _tokenRoyaltyBPS[tokenId] = basisPoints;
              emit RoyaltiesUpdated(tokenId, receivers, basisPoints);
          }
          /**
           * Set royalties for all tokens of an extension
           */
          function _setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) internal {
              require(receivers.length == basisPoints.length, "Invalid input");
              uint256 totalBasisPoints;
              for (uint i = 0; i < basisPoints.length; i++) {
                  totalBasisPoints += basisPoints[i];
              }
              require(totalBasisPoints < 10000, "Invalid total royalties");
              _extensionRoyaltyReceivers[extension] = receivers;
              _extensionRoyaltyBPS[extension] = basisPoints;
              if (extension == address(this)) {
                  emit DefaultRoyaltiesUpdated(receivers, basisPoints);
              } else {
                  emit ExtensionRoyaltiesUpdated(extension, receivers, basisPoints);
              }
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @dev Contract module that helps prevent reentrant calls to a function.
       *
       * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
       * available, which can be applied to functions to make sure there are no nested
       * (reentrant) calls to them.
       *
       * Note that because there is a single `nonReentrant` guard, functions marked as
       * `nonReentrant` may not call one another. This can be worked around by making
       * those functions `private`, and then adding `external` `nonReentrant` entry
       * points to them.
       *
       * TIP: If you would like to learn more about reentrancy and alternative ways
       * to protect against it, check out our blog post
       * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
       */
      abstract contract ReentrancyGuard {
          // Booleans are more expensive than uint256 or any type that takes up a full
          // word because each write operation emits an extra SLOAD to first read the
          // slot's contents, replace the bits taken up by the boolean, and then write
          // back. This is the compiler's defense against contract upgrades and
          // pointer aliasing, and it cannot be disabled.
          // The values being non-zero value makes deployment a bit more expensive,
          // but in exchange the refund on every call to nonReentrant will be lower in
          // amount. Since refunds are capped to a percentage of the total
          // transaction's gas, it is best to keep them low in cases like this one, to
          // increase the likelihood of the full refund coming into effect.
          uint256 private constant _NOT_ENTERED = 1;
          uint256 private constant _ENTERED = 2;
          uint256 private _status;
          constructor() {
              _status = _NOT_ENTERED;
          }
          /**
           * @dev Prevents a contract from calling itself, directly or indirectly.
           * Calling a `nonReentrant` function from another `nonReentrant`
           * function is not supported. It is possible to prevent this from happening
           * by making the `nonReentrant` function external, and make it call a
           * `private` function that does the actual work.
           */
          modifier nonReentrant() {
              // On the first call to nonReentrant, _notEntered will be true
              require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
              // Any calls to nonReentrant after this point will fail
              _status = _ENTERED;
              _;
              // By storing the original value once again, a refund is triggered (see
              // https://eips.ethereum.org/EIPS/eip-2200)
              _status = _NOT_ENTERED;
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @dev String operations.
       */
      library Strings {
          bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
          /**
           * @dev Converts a `uint256` to its ASCII `string` decimal representation.
           */
          function toString(uint256 value) internal pure returns (string memory) {
              // Inspired by OraclizeAPI's implementation - MIT licence
              // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
              if (value == 0) {
                  return "0";
              }
              uint256 temp = value;
              uint256 digits;
              while (temp != 0) {
                  digits++;
                  temp /= 10;
              }
              bytes memory buffer = new bytes(digits);
              while (value != 0) {
                  digits -= 1;
                  buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
                  value /= 10;
              }
              return string(buffer);
          }
          /**
           * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
           */
          function toHexString(uint256 value) internal pure returns (string memory) {
              if (value == 0) {
                  return "0x00";
              }
              uint256 temp = value;
              uint256 length = 0;
              while (temp != 0) {
                  length++;
                  temp >>= 8;
              }
              return toHexString(value, length);
          }
          /**
           * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
           */
          function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
              bytes memory buffer = new bytes(2 * length + 2);
              buffer[0] = "0";
              buffer[1] = "x";
              for (uint256 i = 2 * length + 1; i > 1; --i) {
                  buffer[i] = _HEX_SYMBOLS[value & 0xf];
                  value >>= 4;
              }
              require(value == 0, "Strings: hex length insufficient");
              return string(buffer);
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "./IERC165.sol";
      /**
       * @dev Implementation of the {IERC165} interface.
       *
       * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
       * for the additional interface id that will be supported. For example:
       *
       * ```solidity
       * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
       *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
       * }
       * ```
       *
       * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
       */
      abstract contract ERC165 is IERC165 {
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
              return interfaceId == type(IERC165).interfaceId;
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "./IERC165.sol";
      /**
       * @dev Library used to query support of an interface declared via {IERC165}.
       *
       * Note that these functions return the actual result of the query: they do not
       * `revert` if an interface is not supported. It is up to the caller to decide
       * what to do in these cases.
       */
      library ERC165Checker {
          // As per the EIP-165 spec, no interface should ever match 0xffffffff
          bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff;
          /**
           * @dev Returns true if `account` supports the {IERC165} interface,
           */
          function supportsERC165(address account) internal view returns (bool) {
              // Any contract that implements ERC165 must explicitly indicate support of
              // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid
              return
                  _supportsERC165Interface(account, type(IERC165).interfaceId) &&
                  !_supportsERC165Interface(account, _INTERFACE_ID_INVALID);
          }
          /**
           * @dev Returns true if `account` supports the interface defined by
           * `interfaceId`. Support for {IERC165} itself is queried automatically.
           *
           * See {IERC165-supportsInterface}.
           */
          function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) {
              // query support of both ERC165 as per the spec and support of _interfaceId
              return supportsERC165(account) && _supportsERC165Interface(account, interfaceId);
          }
          /**
           * @dev Returns a boolean array where each value corresponds to the
           * interfaces passed in and whether they're supported or not. This allows
           * you to batch check interfaces for a contract where your expectation
           * is that some interfaces may not be supported.
           *
           * See {IERC165-supportsInterface}.
           *
           * _Available since v3.4._
           */
          function getSupportedInterfaces(address account, bytes4[] memory interfaceIds)
              internal
              view
              returns (bool[] memory)
          {
              // an array of booleans corresponding to interfaceIds and whether they're supported or not
              bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length);
              // query support of ERC165 itself
              if (supportsERC165(account)) {
                  // query support of each interface in interfaceIds
                  for (uint256 i = 0; i < interfaceIds.length; i++) {
                      interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]);
                  }
              }
              return interfaceIdsSupported;
          }
          /**
           * @dev Returns true if `account` supports all the interfaces defined in
           * `interfaceIds`. Support for {IERC165} itself is queried automatically.
           *
           * Batch-querying can lead to gas savings by skipping repeated checks for
           * {IERC165} support.
           *
           * See {IERC165-supportsInterface}.
           */
          function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) {
              // query support of ERC165 itself
              if (!supportsERC165(account)) {
                  return false;
              }
              // query support of each interface in _interfaceIds
              for (uint256 i = 0; i < interfaceIds.length; i++) {
                  if (!_supportsERC165Interface(account, interfaceIds[i])) {
                      return false;
                  }
              }
              // all interfaces supported
              return true;
          }
          /**
           * @notice Query if a contract implements an interface, does not check ERC165 support
           * @param account The address of the contract to query for support of an interface
           * @param interfaceId The interface identifier, as specified in ERC-165
           * @return true if the contract at account indicates support of the interface with
           * identifier interfaceId, false otherwise
           * @dev Assumes that account contains a contract that supports ERC165, otherwise
           * the behavior of this method is undefined. This precondition can be checked
           * with {supportsERC165}.
           * Interface identification is specified in ERC-165.
           */
          function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) {
              bytes memory encodedParams = abi.encodeWithSelector(IERC165(account).supportsInterface.selector, interfaceId);
              (bool success, bytes memory result) = account.staticcall{gas: 30000}(encodedParams);
              if (result.length < 32) return false;
              return success && abi.decode(result, (bool));
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @dev Library for managing
       * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
       * types.
       *
       * Sets have the following properties:
       *
       * - Elements are added, removed, and checked for existence in constant time
       * (O(1)).
       * - Elements are enumerated in O(n). No guarantees are made on the ordering.
       *
       * ```
       * contract Example {
       *     // Add the library methods
       *     using EnumerableSet for EnumerableSet.AddressSet;
       *
       *     // Declare a set state variable
       *     EnumerableSet.AddressSet private mySet;
       * }
       * ```
       *
       * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
       * and `uint256` (`UintSet`) are supported.
       */
      library EnumerableSet {
          // To implement this library for multiple types with as little code
          // repetition as possible, we write it in terms of a generic Set type with
          // bytes32 values.
          // The Set implementation uses private functions, and user-facing
          // implementations (such as AddressSet) are just wrappers around the
          // underlying Set.
          // This means that we can only create new EnumerableSets for types that fit
          // in bytes32.
          struct Set {
              // Storage of set values
              bytes32[] _values;
              // Position of the value in the `values` array, plus 1 because index 0
              // means a value is not in the set.
              mapping(bytes32 => uint256) _indexes;
          }
          /**
           * @dev Add a value to a set. O(1).
           *
           * Returns true if the value was added to the set, that is if it was not
           * already present.
           */
          function _add(Set storage set, bytes32 value) private returns (bool) {
              if (!_contains(set, value)) {
                  set._values.push(value);
                  // The value is stored at length-1, but we add 1 to all indexes
                  // and use 0 as a sentinel value
                  set._indexes[value] = set._values.length;
                  return true;
              } else {
                  return false;
              }
          }
          /**
           * @dev Removes a value from a set. O(1).
           *
           * Returns true if the value was removed from the set, that is if it was
           * present.
           */
          function _remove(Set storage set, bytes32 value) private returns (bool) {
              // We read and store the value's index to prevent multiple reads from the same storage slot
              uint256 valueIndex = set._indexes[value];
              if (valueIndex != 0) {
                  // Equivalent to contains(set, value)
                  // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
                  // the array, and then remove the last element (sometimes called as 'swap and pop').
                  // This modifies the order of the array, as noted in {at}.
                  uint256 toDeleteIndex = valueIndex - 1;
                  uint256 lastIndex = set._values.length - 1;
                  if (lastIndex != toDeleteIndex) {
                      bytes32 lastvalue = set._values[lastIndex];
                      // Move the last value to the index where the value to delete is
                      set._values[toDeleteIndex] = lastvalue;
                      // Update the index for the moved value
                      set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
                  }
                  // Delete the slot where the moved value was stored
                  set._values.pop();
                  // Delete the index for the deleted slot
                  delete set._indexes[value];
                  return true;
              } else {
                  return false;
              }
          }
          /**
           * @dev Returns true if the value is in the set. O(1).
           */
          function _contains(Set storage set, bytes32 value) private view returns (bool) {
              return set._indexes[value] != 0;
          }
          /**
           * @dev Returns the number of values on the set. O(1).
           */
          function _length(Set storage set) private view returns (uint256) {
              return set._values.length;
          }
          /**
           * @dev Returns the value stored at position `index` in the set. O(1).
           *
           * Note that there are no guarantees on the ordering of values inside the
           * array, and it may change when more values are added or removed.
           *
           * Requirements:
           *
           * - `index` must be strictly less than {length}.
           */
          function _at(Set storage set, uint256 index) private view returns (bytes32) {
              return set._values[index];
          }
          // Bytes32Set
          struct Bytes32Set {
              Set _inner;
          }
          /**
           * @dev Add a value to a set. O(1).
           *
           * Returns true if the value was added to the set, that is if it was not
           * already present.
           */
          function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
              return _add(set._inner, value);
          }
          /**
           * @dev Removes a value from a set. O(1).
           *
           * Returns true if the value was removed from the set, that is if it was
           * present.
           */
          function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
              return _remove(set._inner, value);
          }
          /**
           * @dev Returns true if the value is in the set. O(1).
           */
          function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
              return _contains(set._inner, value);
          }
          /**
           * @dev Returns the number of values in the set. O(1).
           */
          function length(Bytes32Set storage set) internal view returns (uint256) {
              return _length(set._inner);
          }
          /**
           * @dev Returns the value stored at position `index` in the set. O(1).
           *
           * Note that there are no guarantees on the ordering of values inside the
           * array, and it may change when more values are added or removed.
           *
           * Requirements:
           *
           * - `index` must be strictly less than {length}.
           */
          function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
              return _at(set._inner, index);
          }
          // AddressSet
          struct AddressSet {
              Set _inner;
          }
          /**
           * @dev Add a value to a set. O(1).
           *
           * Returns true if the value was added to the set, that is if it was not
           * already present.
           */
          function add(AddressSet storage set, address value) internal returns (bool) {
              return _add(set._inner, bytes32(uint256(uint160(value))));
          }
          /**
           * @dev Removes a value from a set. O(1).
           *
           * Returns true if the value was removed from the set, that is if it was
           * present.
           */
          function remove(AddressSet storage set, address value) internal returns (bool) {
              return _remove(set._inner, bytes32(uint256(uint160(value))));
          }
          /**
           * @dev Returns true if the value is in the set. O(1).
           */
          function contains(AddressSet storage set, address value) internal view returns (bool) {
              return _contains(set._inner, bytes32(uint256(uint160(value))));
          }
          /**
           * @dev Returns the number of values in the set. O(1).
           */
          function length(AddressSet storage set) internal view returns (uint256) {
              return _length(set._inner);
          }
          /**
           * @dev Returns the value stored at position `index` in the set. O(1).
           *
           * Note that there are no guarantees on the ordering of values inside the
           * array, and it may change when more values are added or removed.
           *
           * Requirements:
           *
           * - `index` must be strictly less than {length}.
           */
          function at(AddressSet storage set, uint256 index) internal view returns (address) {
              return address(uint160(uint256(_at(set._inner, index))));
          }
          // UintSet
          struct UintSet {
              Set _inner;
          }
          /**
           * @dev Add a value to a set. O(1).
           *
           * Returns true if the value was added to the set, that is if it was not
           * already present.
           */
          function add(UintSet storage set, uint256 value) internal returns (bool) {
              return _add(set._inner, bytes32(value));
          }
          /**
           * @dev Removes a value from a set. O(1).
           *
           * Returns true if the value was removed from the set, that is if it was
           * present.
           */
          function remove(UintSet storage set, uint256 value) internal returns (bool) {
              return _remove(set._inner, bytes32(value));
          }
          /**
           * @dev Returns true if the value is in the set. O(1).
           */
          function contains(UintSet storage set, uint256 value) internal view returns (bool) {
              return _contains(set._inner, bytes32(value));
          }
          /**
           * @dev Returns the number of values on the set. O(1).
           */
          function length(UintSet storage set) internal view returns (uint256) {
              return _length(set._inner);
          }
          /**
           * @dev Returns the value stored at position `index` in the set. O(1).
           *
           * Note that there are no guarantees on the ordering of values inside the
           * array, and it may change when more values are added or removed.
           *
           * Requirements:
           *
           * - `index` must be strictly less than {length}.
           */
          function at(UintSet storage set, uint256 index) internal view returns (uint256) {
              return uint256(_at(set._inner, index));
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @dev Collection of functions related to the address type
       */
      library AddressUpgradeable {
          /**
           * @dev Returns true if `account` is a contract.
           *
           * [IMPORTANT]
           * ====
           * It is unsafe to assume that an address for which this function returns
           * false is an externally-owned account (EOA) and not a contract.
           *
           * Among others, `isContract` will return false for the following
           * types of addresses:
           *
           *  - an externally-owned account
           *  - a contract in construction
           *  - an address where a contract will be created
           *  - an address where a contract lived, but was destroyed
           * ====
           */
          function isContract(address account) internal view returns (bool) {
              // This method relies on extcodesize, which returns 0 for contracts in
              // construction, since the code is only stored at the end of the
              // constructor execution.
              uint256 size;
              assembly {
                  size := extcodesize(account)
              }
              return size > 0;
          }
          /**
           * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
           * `recipient`, forwarding all available gas and reverting on errors.
           *
           * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
           * of certain opcodes, possibly making contracts go over the 2300 gas limit
           * imposed by `transfer`, making them unable to receive funds via
           * `transfer`. {sendValue} removes this limitation.
           *
           * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
           *
           * IMPORTANT: because control is transferred to `recipient`, care must be
           * taken to not create reentrancy vulnerabilities. Consider using
           * {ReentrancyGuard} or the
           * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
           */
          function sendValue(address payable recipient, uint256 amount) internal {
              require(address(this).balance >= amount, "Address: insufficient balance");
              (bool success, ) = recipient.call{value: amount}("");
              require(success, "Address: unable to send value, recipient may have reverted");
          }
          /**
           * @dev Performs a Solidity function call using a low level `call`. A
           * plain `call` is an unsafe replacement for a function call: use this
           * function instead.
           *
           * If `target` reverts with a revert reason, it is bubbled up by this
           * function (like regular Solidity function calls).
           *
           * Returns the raw returned data. To convert to the expected return value,
           * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
           *
           * Requirements:
           *
           * - `target` must be a contract.
           * - calling `target` with `data` must not revert.
           *
           * _Available since v3.1._
           */
          function functionCall(address target, bytes memory data) internal returns (bytes memory) {
              return functionCall(target, data, "Address: low-level call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
           * `errorMessage` as a fallback revert reason when `target` reverts.
           *
           * _Available since v3.1._
           */
          function functionCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal returns (bytes memory) {
              return functionCallWithValue(target, data, 0, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but also transferring `value` wei to `target`.
           *
           * Requirements:
           *
           * - the calling contract must have an ETH balance of at least `value`.
           * - the called Solidity function must be `payable`.
           *
           * _Available since v3.1._
           */
          function functionCallWithValue(
              address target,
              bytes memory data,
              uint256 value
          ) internal returns (bytes memory) {
              return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
          }
          /**
           * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
           * with `errorMessage` as a fallback revert reason when `target` reverts.
           *
           * _Available since v3.1._
           */
          function functionCallWithValue(
              address target,
              bytes memory data,
              uint256 value,
              string memory errorMessage
          ) internal returns (bytes memory) {
              require(address(this).balance >= value, "Address: insufficient balance for call");
              require(isContract(target), "Address: call to non-contract");
              (bool success, bytes memory returndata) = target.call{value: value}(data);
              return _verifyCallResult(success, returndata, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but performing a static call.
           *
           * _Available since v3.3._
           */
          function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
              return functionStaticCall(target, data, "Address: low-level static call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
           * but performing a static call.
           *
           * _Available since v3.3._
           */
          function functionStaticCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal view returns (bytes memory) {
              require(isContract(target), "Address: static call to non-contract");
              (bool success, bytes memory returndata) = target.staticcall(data);
              return _verifyCallResult(success, returndata, errorMessage);
          }
          function _verifyCallResult(
              bool success,
              bytes memory returndata,
              string memory errorMessage
          ) private pure returns (bytes memory) {
              if (success) {
                  return returndata;
              } else {
                  // Look for revert reason and bubble it up if present
                  if (returndata.length > 0) {
                      // The easiest way to bubble the revert reason is using memory via assembly
                      assembly {
                          let returndata_size := mload(returndata)
                          revert(add(32, returndata), returndata_size)
                      }
                  } else {
                      revert(errorMessage);
                  }
              }
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Implement this if you want your extension to have overloadable URI's
       */
      interface ICreatorExtensionTokenURI is IERC165 {
          /**
           * Get the uri for a given creator/tokenId
           */
          function tokenURI(address creator, uint256 tokenId) external view returns (string memory);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Core creator interface
       */
      interface ICreatorCore is IERC165 {
          event ExtensionRegistered(address indexed extension, address indexed sender);
          event ExtensionUnregistered(address indexed extension, address indexed sender);
          event ExtensionBlacklisted(address indexed extension, address indexed sender);
          event MintPermissionsUpdated(address indexed extension, address indexed permissions, address indexed sender);
          event RoyaltiesUpdated(uint256 indexed tokenId, address payable[] receivers, uint256[] basisPoints);
          event DefaultRoyaltiesUpdated(address payable[] receivers, uint256[] basisPoints);
          event ExtensionRoyaltiesUpdated(address indexed extension, address payable[] receivers, uint256[] basisPoints);
          event ExtensionApproveTransferUpdated(address indexed extension, bool enabled);
          /**
           * @dev gets address of all extensions
           */
          function getExtensions() external view returns (address[] memory);
          /**
           * @dev add an extension.  Can only be called by contract owner or admin.
           * extension address must point to a contract implementing ICreatorExtension.
           * Returns True if newly added, False if already added.
           */
          function registerExtension(address extension, string calldata baseURI) external;
          /**
           * @dev add an extension.  Can only be called by contract owner or admin.
           * extension address must point to a contract implementing ICreatorExtension.
           * Returns True if newly added, False if already added.
           */
          function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external;
          /**
           * @dev add an extension.  Can only be called by contract owner or admin.
           * Returns True if removed, False if already removed.
           */
          function unregisterExtension(address extension) external;
          /**
           * @dev blacklist an extension.  Can only be called by contract owner or admin.
           * This function will destroy all ability to reference the metadata of any tokens created
           * by the specified extension. It will also unregister the extension if needed.
           * Returns True if removed, False if already removed.
           */
          function blacklistExtension(address extension) external;
          /**
           * @dev set the baseTokenURI of an extension.  Can only be called by extension.
           */
          function setBaseTokenURIExtension(string calldata uri) external;
          /**
           * @dev set the baseTokenURI of an extension.  Can only be called by extension.
           * For tokens with no uri configured, tokenURI will return "uri+tokenId"
           */
          function setBaseTokenURIExtension(string calldata uri, bool identical) external;
          /**
           * @dev set the common prefix of an extension.  Can only be called by extension.
           * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI"
           * Useful if you want to use ipfs/arweave
           */
          function setTokenURIPrefixExtension(string calldata prefix) external;
          /**
           * @dev set the tokenURI of a token extension.  Can only be called by extension that minted token.
           */
          function setTokenURIExtension(uint256 tokenId, string calldata uri) external;
          /**
           * @dev set the tokenURI of a token extension for multiple tokens.  Can only be called by extension that minted token.
           */
          function setTokenURIExtension(uint256[] memory tokenId, string[] calldata uri) external;
          /**
           * @dev set the baseTokenURI for tokens with no extension.  Can only be called by owner/admin.
           * For tokens with no uri configured, tokenURI will return "uri+tokenId"
           */
          function setBaseTokenURI(string calldata uri) external;
          /**
           * @dev set the common prefix for tokens with no extension.  Can only be called by owner/admin.
           * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI"
           * Useful if you want to use ipfs/arweave
           */
          function setTokenURIPrefix(string calldata prefix) external;
          /**
           * @dev set the tokenURI of a token with no extension.  Can only be called by owner/admin.
           */
          function setTokenURI(uint256 tokenId, string calldata uri) external;
          /**
           * @dev set the tokenURI of multiple tokens with no extension.  Can only be called by owner/admin.
           */
          function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external;
          /**
           * @dev set a permissions contract for an extension.  Used to control minting.
           */
          function setMintPermissions(address extension, address permissions) external;
          /**
           * @dev Configure so transfers of tokens created by the caller (must be extension) gets approval
           * from the extension before transferring
           */
          function setApproveTransferExtension(bool enabled) external;
          /**
           * @dev get the extension of a given token
           */
          function tokenExtension(uint256 tokenId) external view returns (address);
          /**
           * @dev Set default royalties
           */
          function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external;
          /**
           * @dev Set royalties of a token
           */
          function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external;
          /**
           * @dev Set royalties of an extension
           */
          function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external;
          /**
           * @dev Get royalites of a token.  Returns list of receivers and basisPoints
           */
          function getRoyalties(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory);
          
          // Royalty support for various other standards
          function getFeeRecipients(uint256 tokenId) external view returns (address payable[] memory);
          function getFeeBps(uint256 tokenId) external view returns (uint[] memory);
          function getFees(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory);
          function royaltyInfo(uint256 tokenId, uint256 value) external view returns (address, uint256);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @dev Interface of the ERC165 standard, as defined in the
       * https://eips.ethereum.org/EIPS/eip-165[EIP].
       *
       * Implementers can declare support of contract interfaces, which can then be
       * queried by others ({ERC165Checker}).
       *
       * For an implementation, see {ERC165}.
       */
      interface IERC165 {
          /**
           * @dev Returns true if this contract implements the interface defined by
           * `interfaceId`. See the corresponding
           * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
           * to learn more about how these ids are created.
           *
           * This function call must use less than 30 000 gas.
           */
          function supportsInterface(bytes4 interfaceId) external view returns (bool);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
      import "../extensions/ERC721/IERC721CreatorExtensionApproveTransfer.sol";
      import "../extensions/ERC721/IERC721CreatorExtensionBurnable.sol";
      import "../permissions/ERC721/IERC721CreatorMintPermissions.sol";
      import "./IERC721CreatorCore.sol";
      import "./CreatorCore.sol";
      /**
       * @dev Core ERC721 creator implementation
       */
      abstract contract ERC721CreatorCore is CreatorCore, IERC721CreatorCore {
          using EnumerableSet for EnumerableSet.AddressSet;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(CreatorCore, IERC165) returns (bool) {
              return interfaceId == type(IERC721CreatorCore).interfaceId || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {ICreatorCore-setApproveTransferExtension}.
           */
          function setApproveTransferExtension(bool enabled) external override extensionRequired {
              require(!enabled || ERC165Checker.supportsInterface(msg.sender, type(IERC721CreatorExtensionApproveTransfer).interfaceId), "Extension must implement IERC721CreatorExtensionApproveTransfer");
              if (_extensionApproveTransfers[msg.sender] != enabled) {
                  _extensionApproveTransfers[msg.sender] = enabled;
                  emit ExtensionApproveTransferUpdated(msg.sender, enabled);
              }
          }
          /**
           * @dev Set mint permissions for an extension
           */
          function _setMintPermissions(address extension, address permissions) internal {
              require(_extensions.contains(extension), "CreatorCore: Invalid extension");
              require(permissions == address(0x0) || ERC165Checker.supportsInterface(permissions, type(IERC721CreatorMintPermissions).interfaceId), "Invalid address");
              if (_extensionPermissions[extension] != permissions) {
                  _extensionPermissions[extension] = permissions;
                  emit MintPermissionsUpdated(extension, permissions, msg.sender);
              }
          }
          /**
           * Check if an extension can mint
           */
          function _checkMintPermissions(address to, uint256 tokenId) internal {
              if (_extensionPermissions[msg.sender] != address(0x0)) {
                  IERC721CreatorMintPermissions(_extensionPermissions[msg.sender]).approveMint(msg.sender, to, tokenId);
              }
          }
          /**
           * Override for post mint actions
           */
          function _postMintBase(address, uint256) internal virtual {}
          
          /**
           * Override for post mint actions
           */
          function _postMintExtension(address, uint256) internal virtual {}
          /**
           * Post-burning callback and metadata cleanup
           */
          function _postBurn(address owner, uint256 tokenId) internal virtual {
              // Callback to originating extension if needed
              if (_tokensExtension[tokenId] != address(this)) {
                 if (ERC165Checker.supportsInterface(_tokensExtension[tokenId], type(IERC721CreatorExtensionBurnable).interfaceId)) {
                     IERC721CreatorExtensionBurnable(_tokensExtension[tokenId]).onBurn(owner, tokenId);
                 }
              }
              // Clear metadata (if any)
              if (bytes(_tokenURIs[tokenId]).length != 0) {
                  delete _tokenURIs[tokenId];
              }    
              // Delete token origin extension tracking
              delete _tokensExtension[tokenId];    
          }
          /**
           * Approve a transfer
           */
          function _approveTransfer(address from, address to, uint256 tokenId) internal {
             if (_extensionApproveTransfers[_tokensExtension[tokenId]]) {
                 require(IERC721CreatorExtensionApproveTransfer(_tokensExtension[tokenId]).approveTransfer(from, to, tokenId), "ERC721Creator: Extension approval failure");
             }
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * Implement this if you want your extension to approve a transfer
       */
      interface IERC721CreatorExtensionApproveTransfer is IERC165 {
          /**
           * @dev Set whether or not the creator will check the extension for approval of token transfer
           */
          function setApproveTransfer(address creator, bool enabled) external;
          /**
           * @dev Called by creator contract to approve a transfer
           */
          function approveTransfer(address from, address to, uint256 tokenId) external returns (bool);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Your extension is required to implement this interface if it wishes
       * to receive the onBurn callback whenever a token the extension created is
       * burned
       */
      interface IERC721CreatorExtensionBurnable is IERC165 {
          /**
           * @dev callback handler for burn events
           */
          function onBurn(address owner, uint256 tokenId) external;
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Required interface of an ERC721Creator compliant extension contracts.
       */
      interface IERC721CreatorMintPermissions is IERC165 {
          /**
           * @dev get approval to mint
           */
          function approveMint(address extension, address to, uint256 tokenId) external;
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "./ICreatorCore.sol";
      /**
       * @dev Core ERC721 creator interface
       */
      interface IERC721CreatorCore is ICreatorCore {
          /**
           * @dev mint a token with no extension. Can only be called by an admin.
           * Returns tokenId minted
           */
          function mintBase(address to) external returns (uint256);
          /**
           * @dev mint a token with no extension. Can only be called by an admin.
           * Returns tokenId minted
           */
          function mintBase(address to, string calldata uri) external returns (uint256);
          /**
           * @dev batch mint a token with no extension. Can only be called by an admin.
           * Returns tokenId minted
           */
          function mintBaseBatch(address to, uint16 count) external returns (uint256[] memory);
          /**
           * @dev batch mint a token with no extension. Can only be called by an admin.
           * Returns tokenId minted
           */
          function mintBaseBatch(address to, string[] calldata uris) external returns (uint256[] memory);
          /**
           * @dev mint a token. Can only be called by a registered extension.
           * Returns tokenId minted
           */
          function mintExtension(address to) external returns (uint256);
          /**
           * @dev mint a token. Can only be called by a registered extension.
           * Returns tokenId minted
           */
          function mintExtension(address to, string calldata uri) external returns (uint256);
          /**
           * @dev batch mint a token. Can only be called by a registered extension.
           * Returns tokenIds minted
           */
          function mintExtensionBatch(address to, uint16 count) external returns (uint256[] memory);
          /**
           * @dev batch mint a token. Can only be called by a registered extension.
           * Returns tokenId minted
           */
          function mintExtensionBatch(address to, string[] calldata uris) external returns (uint256[] memory);
          /**
           * @dev burn a token. Can only be called by token owner or approved address.
           * On burn, calls back to the registered extension's onBurn method
           */
          function burn(uint256 tokenId) external;
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControlUpgradeable.sol";
      import "./core/ERC721CreatorCore.sol";
      /**
       * @dev ERC721Creator implementation (using transparent upgradeable proxy)
       */
      contract ERC721CreatorUpgradeable is AdminControlUpgradeable, ERC721Upgradeable, ERC721CreatorCore {
          /**
           * Initializer
           */
          function initialize(string memory _name, string memory _symbol) public initializer {
              __ERC721_init(_name, _symbol);
              __Ownable_init();
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721Upgradeable, ERC721CreatorCore, AdminControlUpgradeable) returns (bool) {
              return ERC721CreatorCore.supportsInterface(interfaceId) || ERC721Upgradeable.supportsInterface(interfaceId) || AdminControlUpgradeable.supportsInterface(interfaceId);
          }
          function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override {
              _approveTransfer(from, to, tokenId);    
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, false);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, baseURIIdentical);
          }
          /**
           * @dev See {ICreatorCore-unregisterExtension}.
           */
          function unregisterExtension(address extension) external override adminRequired {
              _unregisterExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-blacklistExtension}.
           */
          function blacklistExtension(address extension) external override adminRequired {
              _blacklistExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri) external override extensionRequired {
              _setBaseTokenURIExtension(uri, false);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri, bool identical) external override extensionRequired {
              _setBaseTokenURIExtension(uri, identical);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefixExtension}.
           */
          function setTokenURIPrefixExtension(string calldata prefix) external override extensionRequired {
              _setTokenURIPrefixExtension(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256 tokenId, string calldata uri) external override extensionRequired {
              _setTokenURIExtension(tokenId, uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256[] memory tokenIds, string[] calldata uris) external override extensionRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURIExtension(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURI}.
           */
          function setBaseTokenURI(string calldata uri) external override adminRequired {
              _setBaseTokenURI(uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefix}.
           */
          function setTokenURIPrefix(string calldata prefix) external override adminRequired {
              _setTokenURIPrefix(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256 tokenId, string calldata uri) external override adminRequired {
              _setTokenURI(tokenId, uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external override adminRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURI(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setMintPermissions}.
           */
          function setMintPermissions(address extension, address permissions) external override adminRequired {
              _setMintPermissions(extension, permissions);
          }
          /**
           * @dev See {IERC721CreatorCore-mintBase}.
           */
          function mintBase(address to) public virtual override nonReentrant adminRequired returns(uint256) {
              return _mintBase(to, "");
          }
          /**
           * @dev See {IERC721CreatorCore-mintBase}.
           */
          function mintBase(address to, string calldata uri) public virtual override nonReentrant adminRequired returns(uint256) {
              return _mintBase(to, uri);
          }
          /**
           * @dev See {IERC721CreatorCore-mintBaseBatch}.
           */
          function mintBaseBatch(address to, uint16 count) public virtual override nonReentrant adminRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](count);
              for (uint16 i = 0; i < count; i++) {
                  tokenIds[i] = _mintBase(to, "");
              }
              return tokenIds;
          }
          /**
           * @dev See {IERC721CreatorCore-mintBaseBatch}.
           */
          function mintBaseBatch(address to, string[] calldata uris) public virtual override nonReentrant adminRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](uris.length);
              for (uint i = 0; i < uris.length; i++) {
                  tokenIds[i] = _mintBase(to, uris[i]);
              }
              return tokenIds;
          }
          /**
           * @dev Mint token with no extension
           */
          function _mintBase(address to, string memory uri) internal virtual returns(uint256 tokenId) {
              _tokenCount++;
              tokenId = _tokenCount;
              // Track the extension that minted the token
              _tokensExtension[tokenId] = address(this);
              _safeMint(to, tokenId);
              if (bytes(uri).length > 0) {
                  _tokenURIs[tokenId] = uri;
              }
              // Call post mint
              _postMintBase(to, tokenId);
              return tokenId;
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtension}.
           */
          function mintExtension(address to) public virtual override nonReentrant extensionRequired returns(uint256) {
              return _mintExtension(to, "");
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtension}.
           */
          function mintExtension(address to, string calldata uri) public virtual override nonReentrant extensionRequired returns(uint256) {
              return _mintExtension(to, uri);
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtensionBatch}.
           */
          function mintExtensionBatch(address to, uint16 count) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](count);
              for (uint16 i = 0; i < count; i++) {
                  tokenIds[i] = _mintExtension(to, "");
              }
              return tokenIds;
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtensionBatch}.
           */
          function mintExtensionBatch(address to, string[] calldata uris) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](uris.length);
              for (uint i = 0; i < uris.length; i++) {
                  tokenIds[i] = _mintExtension(to, uris[i]);
              }
          }
          
          /**
           * @dev Mint token via extension
           */
          function _mintExtension(address to, string memory uri) internal virtual returns(uint256 tokenId) {
              _tokenCount++;
              tokenId = _tokenCount;
              _checkMintPermissions(to, tokenId);
              // Track the extension that minted the token
              _tokensExtension[tokenId] = msg.sender;
              _safeMint(to, tokenId);
              if (bytes(uri).length > 0) {
                  _tokenURIs[tokenId] = uri;
              }
              
              // Call post mint
              _postMintExtension(to, tokenId);
              return tokenId;
          }
          /**
           * @dev See {IERC721CreatorCore-tokenExtension}.
           */
          function tokenExtension(uint256 tokenId) public view virtual override returns (address) {
              require(_exists(tokenId), "Nonexistent token");
              return _tokenExtension(tokenId);
          }
          /**
           * @dev See {IERC721CreatorCore-burn}.
           */
          function burn(uint256 tokenId) public virtual override nonReentrant {
              require(_isApprovedOrOwner(msg.sender, tokenId), "Caller is not owner nor approved");
              address owner = ownerOf(tokenId);
              _burn(tokenId);
              _postBurn(owner, tokenId);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(address(this), receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              require(_exists(tokenId), "Nonexistent token");
              _setRoyalties(tokenId, receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyaltiesExtension}.
           */
          function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(extension, receivers, basisPoints);
          }
          /**
           * @dev {See ICreatorCore-getRoyalties}.
           */
          function getRoyalties(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFees}.
           */
          function getFees(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeRecipients}.
           */
          function getFeeRecipients(uint256 tokenId) external view virtual override returns (address payable[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyReceivers(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeBps}.
           */
          function getFeeBps(uint256 tokenId) external view virtual override returns (uint[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyBPS(tokenId);
          }
          
          /**
           * @dev {See ICreatorCore-royaltyInfo}.
           */
          function royaltyInfo(uint256 tokenId, uint256 value) external view virtual override returns (address, uint256) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyInfo(tokenId, value);
          } 
          /**
           * @dev See {IERC721Metadata-tokenURI}.
           */
          function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _tokenURI(tokenId);
          }
          
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "./IERC721Upgradeable.sol";
      import "./IERC721ReceiverUpgradeable.sol";
      import "./extensions/IERC721MetadataUpgradeable.sol";
      import "../../utils/AddressUpgradeable.sol";
      import "../../utils/ContextUpgradeable.sol";
      import "../../utils/StringsUpgradeable.sol";
      import "../../utils/introspection/ERC165Upgradeable.sol";
      import "../../proxy/utils/Initializable.sol";
      /**
       * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
       * the Metadata extension, but not including the Enumerable extension, which is available separately as
       * {ERC721Enumerable}.
       */
      contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {
          using AddressUpgradeable for address;
          using StringsUpgradeable for uint256;
          // Token name
          string private _name;
          // Token symbol
          string private _symbol;
          // Mapping from token ID to owner address
          mapping(uint256 => address) private _owners;
          // Mapping owner address to token count
          mapping(address => uint256) private _balances;
          // Mapping from token ID to approved address
          mapping(uint256 => address) private _tokenApprovals;
          // Mapping from owner to operator approvals
          mapping(address => mapping(address => bool)) private _operatorApprovals;
          /**
           * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
           */
          function __ERC721_init(string memory name_, string memory symbol_) internal initializer {
              __Context_init_unchained();
              __ERC165_init_unchained();
              __ERC721_init_unchained(name_, symbol_);
          }
          function __ERC721_init_unchained(string memory name_, string memory symbol_) internal initializer {
              _name = name_;
              _symbol = symbol_;
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
              return
                  interfaceId == type(IERC721Upgradeable).interfaceId ||
                  interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
                  super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC721-balanceOf}.
           */
          function balanceOf(address owner) public view virtual override returns (uint256) {
              require(owner != address(0), "ERC721: balance query for the zero address");
              return _balances[owner];
          }
          /**
           * @dev See {IERC721-ownerOf}.
           */
          function ownerOf(uint256 tokenId) public view virtual override returns (address) {
              address owner = _owners[tokenId];
              require(owner != address(0), "ERC721: owner query for nonexistent token");
              return owner;
          }
          /**
           * @dev See {IERC721Metadata-name}.
           */
          function name() public view virtual override returns (string memory) {
              return _name;
          }
          /**
           * @dev See {IERC721Metadata-symbol}.
           */
          function symbol() public view virtual override returns (string memory) {
              return _symbol;
          }
          /**
           * @dev See {IERC721Metadata-tokenURI}.
           */
          function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
              require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
              string memory baseURI = _baseURI();
              return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
          }
          /**
           * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
           * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
           * by default, can be overriden in child contracts.
           */
          function _baseURI() internal view virtual returns (string memory) {
              return "";
          }
          /**
           * @dev See {IERC721-approve}.
           */
          function approve(address to, uint256 tokenId) public virtual override {
              address owner = ERC721Upgradeable.ownerOf(tokenId);
              require(to != owner, "ERC721: approval to current owner");
              require(
                  _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
                  "ERC721: approve caller is not owner nor approved for all"
              );
              _approve(to, tokenId);
          }
          /**
           * @dev See {IERC721-getApproved}.
           */
          function getApproved(uint256 tokenId) public view virtual override returns (address) {
              require(_exists(tokenId), "ERC721: approved query for nonexistent token");
              return _tokenApprovals[tokenId];
          }
          /**
           * @dev See {IERC721-setApprovalForAll}.
           */
          function setApprovalForAll(address operator, bool approved) public virtual override {
              require(operator != _msgSender(), "ERC721: approve to caller");
              _operatorApprovals[_msgSender()][operator] = approved;
              emit ApprovalForAll(_msgSender(), operator, approved);
          }
          /**
           * @dev See {IERC721-isApprovedForAll}.
           */
          function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
              return _operatorApprovals[owner][operator];
          }
          /**
           * @dev See {IERC721-transferFrom}.
           */
          function transferFrom(
              address from,
              address to,
              uint256 tokenId
          ) public virtual override {
              //solhint-disable-next-line max-line-length
              require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
              _transfer(from, to, tokenId);
          }
          /**
           * @dev See {IERC721-safeTransferFrom}.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 tokenId
          ) public virtual override {
              safeTransferFrom(from, to, tokenId, "");
          }
          /**
           * @dev See {IERC721-safeTransferFrom}.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 tokenId,
              bytes memory _data
          ) public virtual override {
              require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
              _safeTransfer(from, to, tokenId, _data);
          }
          /**
           * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
           * are aware of the ERC721 protocol to prevent tokens from being forever locked.
           *
           * `_data` is additional data, it has no specified format and it is sent in call to `to`.
           *
           * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
           * implement alternative mechanisms to perform token transfer, such as signature-based.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           * - `tokenId` token must exist and be owned by `from`.
           * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
           *
           * Emits a {Transfer} event.
           */
          function _safeTransfer(
              address from,
              address to,
              uint256 tokenId,
              bytes memory _data
          ) internal virtual {
              _transfer(from, to, tokenId);
              require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
          }
          /**
           * @dev Returns whether `tokenId` exists.
           *
           * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
           *
           * Tokens start existing when they are minted (`_mint`),
           * and stop existing when they are burned (`_burn`).
           */
          function _exists(uint256 tokenId) internal view virtual returns (bool) {
              return _owners[tokenId] != address(0);
          }
          /**
           * @dev Returns whether `spender` is allowed to manage `tokenId`.
           *
           * Requirements:
           *
           * - `tokenId` must exist.
           */
          function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
              require(_exists(tokenId), "ERC721: operator query for nonexistent token");
              address owner = ERC721Upgradeable.ownerOf(tokenId);
              return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
          }
          /**
           * @dev Safely mints `tokenId` and transfers it to `to`.
           *
           * Requirements:
           *
           * - `tokenId` must not exist.
           * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
           *
           * Emits a {Transfer} event.
           */
          function _safeMint(address to, uint256 tokenId) internal virtual {
              _safeMint(to, tokenId, "");
          }
          /**
           * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
           * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
           */
          function _safeMint(
              address to,
              uint256 tokenId,
              bytes memory _data
          ) internal virtual {
              _mint(to, tokenId);
              require(
                  _checkOnERC721Received(address(0), to, tokenId, _data),
                  "ERC721: transfer to non ERC721Receiver implementer"
              );
          }
          /**
           * @dev Mints `tokenId` and transfers it to `to`.
           *
           * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
           *
           * Requirements:
           *
           * - `tokenId` must not exist.
           * - `to` cannot be the zero address.
           *
           * Emits a {Transfer} event.
           */
          function _mint(address to, uint256 tokenId) internal virtual {
              require(to != address(0), "ERC721: mint to the zero address");
              require(!_exists(tokenId), "ERC721: token already minted");
              _beforeTokenTransfer(address(0), to, tokenId);
              _balances[to] += 1;
              _owners[tokenId] = to;
              emit Transfer(address(0), to, tokenId);
          }
          /**
           * @dev Destroys `tokenId`.
           * The approval is cleared when the token is burned.
           *
           * Requirements:
           *
           * - `tokenId` must exist.
           *
           * Emits a {Transfer} event.
           */
          function _burn(uint256 tokenId) internal virtual {
              address owner = ERC721Upgradeable.ownerOf(tokenId);
              _beforeTokenTransfer(owner, address(0), tokenId);
              // Clear approvals
              _approve(address(0), tokenId);
              _balances[owner] -= 1;
              delete _owners[tokenId];
              emit Transfer(owner, address(0), tokenId);
          }
          /**
           * @dev Transfers `tokenId` from `from` to `to`.
           *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
           *
           * Requirements:
           *
           * - `to` cannot be the zero address.
           * - `tokenId` token must be owned by `from`.
           *
           * Emits a {Transfer} event.
           */
          function _transfer(
              address from,
              address to,
              uint256 tokenId
          ) internal virtual {
              require(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
              require(to != address(0), "ERC721: transfer to the zero address");
              _beforeTokenTransfer(from, to, tokenId);
              // Clear approvals from the previous owner
              _approve(address(0), tokenId);
              _balances[from] -= 1;
              _balances[to] += 1;
              _owners[tokenId] = to;
              emit Transfer(from, to, tokenId);
          }
          /**
           * @dev Approve `to` to operate on `tokenId`
           *
           * Emits a {Approval} event.
           */
          function _approve(address to, uint256 tokenId) internal virtual {
              _tokenApprovals[tokenId] = to;
              emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId);
          }
          /**
           * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
           * The call is not executed if the target address is not a contract.
           *
           * @param from address representing the previous owner of the given token ID
           * @param to target address that will receive the tokens
           * @param tokenId uint256 ID of the token to be transferred
           * @param _data bytes optional data to send along with the call
           * @return bool whether the call correctly returned the expected magic value
           */
          function _checkOnERC721Received(
              address from,
              address to,
              uint256 tokenId,
              bytes memory _data
          ) private returns (bool) {
              if (to.isContract()) {
                  try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                      return retval == IERC721ReceiverUpgradeable(to).onERC721Received.selector;
                  } catch (bytes memory reason) {
                      if (reason.length == 0) {
                          revert("ERC721: transfer to non ERC721Receiver implementer");
                      } else {
                          assembly {
                              revert(add(32, reason), mload(reason))
                          }
                      }
                  }
              } else {
                  return true;
              }
          }
          /**
           * @dev Hook that is called before any token transfer. This includes minting
           * and burning.
           *
           * Calling conditions:
           *
           * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
           * transferred to `to`.
           * - When `from` is zero, `tokenId` will be minted for `to`.
           * - When `to` is zero, ``from``'s `tokenId` will be burned.
           * - `from` and `to` are never both zero.
           *
           * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
           */
          function _beforeTokenTransfer(
              address from,
              address to,
              uint256 tokenId
          ) internal virtual {}
          uint256[44] private __gap;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
      import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
      import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
      import "./IAdminControl.sol";
      abstract contract AdminControlUpgradeable is OwnableUpgradeable, IAdminControl, ERC165 {
          using EnumerableSet for EnumerableSet.AddressSet;
          // Track registered admins
          EnumerableSet.AddressSet private _admins;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
              return interfaceId == type(IAdminControl).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev Only allows approved admins to call the specified function
           */
          modifier adminRequired() {
              require(owner() == msg.sender || _admins.contains(msg.sender), "AdminControl: Must be owner or admin");
              _;
          }   
          /**
           * @dev See {IAdminControl-getAdmins}.
           */
          function getAdmins() external view override returns (address[] memory admins) {
              admins = new address[](_admins.length());
              for (uint i = 0; i < _admins.length(); i++) {
                  admins[i] = _admins.at(i);
              }
              return admins;
          }
          /**
           * @dev See {IAdminControl-approveAdmin}.
           */
          function approveAdmin(address admin) external override onlyOwner {
              if (!_admins.contains(admin)) {
                  emit AdminApproved(admin, msg.sender);
                  _admins.add(admin);
              }
          }
          /**
           * @dev See {IAdminControl-revokeAdmin}.
           */
          function revokeAdmin(address admin) external override onlyOwner {
              if (_admins.contains(admin)) {
                  emit AdminRevoked(admin, msg.sender);
                  _admins.remove(admin);
              }
          }
          /**
           * @dev See {IAdminControl-isAdmin}.
           */
          function isAdmin(address admin) public override view returns (bool) {
              return (owner() == admin || _admins.contains(admin));
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../../utils/introspection/IERC165Upgradeable.sol";
      /**
       * @dev Required interface of an ERC721 compliant contract.
       */
      interface IERC721Upgradeable is IERC165Upgradeable {
          /**
           * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
           */
          event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
          /**
           * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
           */
          event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
          /**
           * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
           */
          event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
          /**
           * @dev Returns the number of tokens in ``owner``'s account.
           */
          function balanceOf(address owner) external view returns (uint256 balance);
          /**
           * @dev Returns the owner of the `tokenId` token.
           *
           * Requirements:
           *
           * - `tokenId` must exist.
           */
          function ownerOf(uint256 tokenId) external view returns (address owner);
          /**
           * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
           * are aware of the ERC721 protocol to prevent tokens from being forever locked.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           * - `tokenId` token must exist and be owned by `from`.
           * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
           * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
           *
           * Emits a {Transfer} event.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 tokenId
          ) external;
          /**
           * @dev Transfers `tokenId` token from `from` to `to`.
           *
           * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           * - `tokenId` token must be owned by `from`.
           * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
           *
           * Emits a {Transfer} event.
           */
          function transferFrom(
              address from,
              address to,
              uint256 tokenId
          ) external;
          /**
           * @dev Gives permission to `to` to transfer `tokenId` token to another account.
           * The approval is cleared when the token is transferred.
           *
           * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
           *
           * Requirements:
           *
           * - The caller must own the token or be an approved operator.
           * - `tokenId` must exist.
           *
           * Emits an {Approval} event.
           */
          function approve(address to, uint256 tokenId) external;
          /**
           * @dev Returns the account approved for `tokenId` token.
           *
           * Requirements:
           *
           * - `tokenId` must exist.
           */
          function getApproved(uint256 tokenId) external view returns (address operator);
          /**
           * @dev Approve or remove `operator` as an operator for the caller.
           * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
           *
           * Requirements:
           *
           * - The `operator` cannot be the caller.
           *
           * Emits an {ApprovalForAll} event.
           */
          function setApprovalForAll(address operator, bool _approved) external;
          /**
           * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
           *
           * See {setApprovalForAll}
           */
          function isApprovedForAll(address owner, address operator) external view returns (bool);
          /**
           * @dev Safely transfers `tokenId` token from `from` to `to`.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           * - `tokenId` token must exist and be owned by `from`.
           * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
           * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
           *
           * Emits a {Transfer} event.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 tokenId,
              bytes calldata data
          ) external;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @title ERC721 token receiver interface
       * @dev Interface for any contract that wants to support safeTransfers
       * from ERC721 asset contracts.
       */
      interface IERC721ReceiverUpgradeable {
          /**
           * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
           * by `operator` from `from`, this function is called.
           *
           * It must return its Solidity selector to confirm the token transfer.
           * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
           *
           * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
           */
          function onERC721Received(
              address operator,
              address from,
              uint256 tokenId,
              bytes calldata data
          ) external returns (bytes4);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../IERC721Upgradeable.sol";
      /**
       * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
       * @dev See https://eips.ethereum.org/EIPS/eip-721
       */
      interface IERC721MetadataUpgradeable is IERC721Upgradeable {
          /**
           * @dev Returns the token collection name.
           */
          function name() external view returns (string memory);
          /**
           * @dev Returns the token collection symbol.
           */
          function symbol() external view returns (string memory);
          /**
           * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
           */
          function tokenURI(uint256 tokenId) external view returns (string memory);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../proxy/utils/Initializable.sol";
      /*
       * @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 ContextUpgradeable is Initializable {
          function __Context_init() internal initializer {
              __Context_init_unchained();
          }
          function __Context_init_unchained() internal initializer {
          }
          function _msgSender() internal view virtual returns (address) {
              return msg.sender;
          }
          function _msgData() internal view virtual returns (bytes calldata) {
              return msg.data;
          }
          uint256[50] private __gap;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @dev String operations.
       */
      library StringsUpgradeable {
          bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
          /**
           * @dev Converts a `uint256` to its ASCII `string` decimal representation.
           */
          function toString(uint256 value) internal pure returns (string memory) {
              // Inspired by OraclizeAPI's implementation - MIT licence
              // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
              if (value == 0) {
                  return "0";
              }
              uint256 temp = value;
              uint256 digits;
              while (temp != 0) {
                  digits++;
                  temp /= 10;
              }
              bytes memory buffer = new bytes(digits);
              while (value != 0) {
                  digits -= 1;
                  buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
                  value /= 10;
              }
              return string(buffer);
          }
          /**
           * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
           */
          function toHexString(uint256 value) internal pure returns (string memory) {
              if (value == 0) {
                  return "0x00";
              }
              uint256 temp = value;
              uint256 length = 0;
              while (temp != 0) {
                  length++;
                  temp >>= 8;
              }
              return toHexString(value, length);
          }
          /**
           * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
           */
          function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
              bytes memory buffer = new bytes(2 * length + 2);
              buffer[0] = "0";
              buffer[1] = "x";
              for (uint256 i = 2 * length + 1; i > 1; --i) {
                  buffer[i] = _HEX_SYMBOLS[value & 0xf];
                  value >>= 4;
              }
              require(value == 0, "Strings: hex length insufficient");
              return string(buffer);
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "./IERC165Upgradeable.sol";
      import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
          function __ERC165_init() internal initializer {
              __ERC165_init_unchained();
          }
          function __ERC165_init_unchained() internal initializer {
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
              return interfaceId == type(IERC165Upgradeable).interfaceId;
          }
          uint256[50] private __gap;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
       * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
       * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
       * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
       *
       * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
       * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
       *
       * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
       * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
       */
      abstract contract Initializable {
          /**
           * @dev Indicates that the contract has been initialized.
           */
          bool private _initialized;
          /**
           * @dev Indicates that the contract is in the process of being initialized.
           */
          bool private _initializing;
          /**
           * @dev Modifier to protect an initializer function from being invoked twice.
           */
          modifier initializer() {
              require(_initializing || !_initialized, "Initializable: contract is already initialized");
              bool isTopLevelCall = !_initializing;
              if (isTopLevelCall) {
                  _initializing = true;
                  _initialized = true;
              }
              _;
              if (isTopLevelCall) {
                  _initializing = false;
              }
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @dev Interface of the ERC165 standard, as defined in the
       * https://eips.ethereum.org/EIPS/eip-165[EIP].
       *
       * Implementers can declare support of contract interfaces, which can then be
       * queried by others ({ERC165Checker}).
       *
       * For an implementation, see {ERC165}.
       */
      interface IERC165Upgradeable {
          /**
           * @dev Returns true if this contract implements the interface defined by
           * `interfaceId`. See the corresponding
           * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
           * to learn more about how these ids are created.
           *
           * This function call must use less than 30 000 gas.
           */
          function supportsInterface(bytes4 interfaceId) external view returns (bool);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../utils/ContextUpgradeable.sol";
      import "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable {
          address private _owner;
          event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
          /**
           * @dev Initializes the contract setting the deployer as the initial owner.
           */
          function __Ownable_init() internal initializer {
              __Context_init_unchained();
              __Ownable_init_unchained();
          }
          function __Ownable_init_unchained() internal initializer {
              _setOwner(_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 {
              _setOwner(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");
              _setOwner(newOwner);
          }
          function _setOwner(address newOwner) private {
              address oldOwner = _owner;
              _owner = newOwner;
              emit OwnershipTransferred(oldOwner, newOwner);
          }
          uint256[49] private __gap;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Interface for admin control
       */
      interface IAdminControl is IERC165 {
          event AdminApproved(address indexed account, address indexed sender);
          event AdminRevoked(address indexed account, address indexed sender);
          /**
           * @dev gets address of all admins
           */
          function getAdmins() external view returns (address[] memory);
          /**
           * @dev add an admin.  Can only be called by contract owner.
           */
          function approveAdmin(address admin) external;
          /**
           * @dev remove an admin.  Can only be called by contract owner.
           */
          function revokeAdmin(address admin) external;
          /**
           * @dev checks whether or not given address is an admin
           * Returns True if they are
           */
          function isAdmin(address admin) external view returns (bool);
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControlUpgradeable.sol";
      import "./core/ERC721CreatorCore.sol";
      /**
       * @dev ERC721Creator implementation
       */
      contract ERC721CreatorImplementation is AdminControlUpgradeable, ERC721Upgradeable, ERC721CreatorCore {
          /**
           * Initializer
           */
          function initialize(string memory _name, string memory _symbol) public initializer {
              __ERC721_init(_name, _symbol);
              __Ownable_init();
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721Upgradeable, ERC721CreatorCore, AdminControlUpgradeable) returns (bool) {
              return ERC721CreatorCore.supportsInterface(interfaceId) || ERC721Upgradeable.supportsInterface(interfaceId) || AdminControlUpgradeable.supportsInterface(interfaceId);
          }
          function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override {
              _approveTransfer(from, to, tokenId);    
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, false);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, baseURIIdentical);
          }
          /**
           * @dev See {ICreatorCore-unregisterExtension}.
           */
          function unregisterExtension(address extension) external override adminRequired {
              _unregisterExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-blacklistExtension}.
           */
          function blacklistExtension(address extension) external override adminRequired {
              _blacklistExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri) external override extensionRequired {
              _setBaseTokenURIExtension(uri, false);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri, bool identical) external override extensionRequired {
              _setBaseTokenURIExtension(uri, identical);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefixExtension}.
           */
          function setTokenURIPrefixExtension(string calldata prefix) external override extensionRequired {
              _setTokenURIPrefixExtension(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256 tokenId, string calldata uri) external override extensionRequired {
              _setTokenURIExtension(tokenId, uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256[] memory tokenIds, string[] calldata uris) external override extensionRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURIExtension(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURI}.
           */
          function setBaseTokenURI(string calldata uri) external override adminRequired {
              _setBaseTokenURI(uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefix}.
           */
          function setTokenURIPrefix(string calldata prefix) external override adminRequired {
              _setTokenURIPrefix(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256 tokenId, string calldata uri) external override adminRequired {
              _setTokenURI(tokenId, uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external override adminRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURI(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setMintPermissions}.
           */
          function setMintPermissions(address extension, address permissions) external override adminRequired {
              _setMintPermissions(extension, permissions);
          }
          /**
           * @dev See {IERC721CreatorCore-mintBase}.
           */
          function mintBase(address to) public virtual override nonReentrant adminRequired returns(uint256) {
              return _mintBase(to, "");
          }
          /**
           * @dev See {IERC721CreatorCore-mintBase}.
           */
          function mintBase(address to, string calldata uri) public virtual override nonReentrant adminRequired returns(uint256) {
              return _mintBase(to, uri);
          }
          /**
           * @dev See {IERC721CreatorCore-mintBaseBatch}.
           */
          function mintBaseBatch(address to, uint16 count) public virtual override nonReentrant adminRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](count);
              for (uint16 i = 0; i < count; i++) {
                  tokenIds[i] = _mintBase(to, "");
              }
              return tokenIds;
          }
          /**
           * @dev See {IERC721CreatorCore-mintBaseBatch}.
           */
          function mintBaseBatch(address to, string[] calldata uris) public virtual override nonReentrant adminRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](uris.length);
              for (uint i = 0; i < uris.length; i++) {
                  tokenIds[i] = _mintBase(to, uris[i]);
              }
              return tokenIds;
          }
          /**
           * @dev Mint token with no extension
           */
          function _mintBase(address to, string memory uri) internal virtual returns(uint256 tokenId) {
              _tokenCount++;
              tokenId = _tokenCount;
              // Track the extension that minted the token
              _tokensExtension[tokenId] = address(this);
              _safeMint(to, tokenId);
              if (bytes(uri).length > 0) {
                  _tokenURIs[tokenId] = uri;
              }
              // Call post mint
              _postMintBase(to, tokenId);
              return tokenId;
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtension}.
           */
          function mintExtension(address to) public virtual override nonReentrant extensionRequired returns(uint256) {
              return _mintExtension(to, "");
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtension}.
           */
          function mintExtension(address to, string calldata uri) public virtual override nonReentrant extensionRequired returns(uint256) {
              return _mintExtension(to, uri);
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtensionBatch}.
           */
          function mintExtensionBatch(address to, uint16 count) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](count);
              for (uint16 i = 0; i < count; i++) {
                  tokenIds[i] = _mintExtension(to, "");
              }
              return tokenIds;
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtensionBatch}.
           */
          function mintExtensionBatch(address to, string[] calldata uris) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](uris.length);
              for (uint i = 0; i < uris.length; i++) {
                  tokenIds[i] = _mintExtension(to, uris[i]);
              }
          }
          
          /**
           * @dev Mint token via extension
           */
          function _mintExtension(address to, string memory uri) internal virtual returns(uint256 tokenId) {
              _tokenCount++;
              tokenId = _tokenCount;
              _checkMintPermissions(to, tokenId);
              // Track the extension that minted the token
              _tokensExtension[tokenId] = msg.sender;
              _safeMint(to, tokenId);
              if (bytes(uri).length > 0) {
                  _tokenURIs[tokenId] = uri;
              }
              
              // Call post mint
              _postMintExtension(to, tokenId);
              return tokenId;
          }
          /**
           * @dev See {IERC721CreatorCore-tokenExtension}.
           */
          function tokenExtension(uint256 tokenId) public view virtual override returns (address) {
              require(_exists(tokenId), "Nonexistent token");
              return _tokenExtension(tokenId);
          }
          /**
           * @dev See {IERC721CreatorCore-burn}.
           */
          function burn(uint256 tokenId) public virtual override nonReentrant {
              require(_isApprovedOrOwner(msg.sender, tokenId), "Caller is not owner nor approved");
              address owner = ownerOf(tokenId);
              _burn(tokenId);
              _postBurn(owner, tokenId);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(address(this), receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              require(_exists(tokenId), "Nonexistent token");
              _setRoyalties(tokenId, receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyaltiesExtension}.
           */
          function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(extension, receivers, basisPoints);
          }
          /**
           * @dev {See ICreatorCore-getRoyalties}.
           */
          function getRoyalties(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFees}.
           */
          function getFees(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeRecipients}.
           */
          function getFeeRecipients(uint256 tokenId) external view virtual override returns (address payable[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyReceivers(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeBps}.
           */
          function getFeeBps(uint256 tokenId) external view virtual override returns (uint[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyBPS(tokenId);
          }
          
          /**
           * @dev {See ICreatorCore-royaltyInfo}.
           */
          function royaltyInfo(uint256 tokenId, uint256 value) external view virtual override returns (address, uint256) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyInfo(tokenId, value);
          } 
          /**
           * @dev See {IERC721Metadata-tokenURI}.
           */
          function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _tokenURI(tokenId);
          }
          
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "./IERC1155Upgradeable.sol";
      import "./IERC1155ReceiverUpgradeable.sol";
      import "./extensions/IERC1155MetadataURIUpgradeable.sol";
      import "../../utils/AddressUpgradeable.sol";
      import "../../utils/ContextUpgradeable.sol";
      import "../../utils/introspection/ERC165Upgradeable.sol";
      import "../../proxy/utils/Initializable.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 ERC1155Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC1155Upgradeable, IERC1155MetadataURIUpgradeable {
          using AddressUpgradeable 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}.
           */
          function __ERC1155_init(string memory uri_) internal initializer {
              __Context_init_unchained();
              __ERC165_init_unchained();
              __ERC1155_init_unchained(uri_);
          }
          function __ERC1155_init_unchained(string memory uri_) internal initializer {
              _setURI(uri_);
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
              return
                  interfaceId == type(IERC1155Upgradeable).interfaceId ||
                  interfaceId == type(IERC1155MetadataURIUpgradeable).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 {
              require(_msgSender() != operator, "ERC1155: setting approval status for self");
              _operatorApprovals[_msgSender()][operator] = approved;
              emit ApprovalForAll(_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();
              _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), 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);
              _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);
              _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 `account`.
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `account` cannot be the zero address.
           * - If `account` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
           * acceptance magic value.
           */
          function _mint(
              address account,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) internal virtual {
              require(account != address(0), "ERC1155: mint to the zero address");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, address(0), account, _asSingletonArray(id), _asSingletonArray(amount), data);
              _balances[id][account] += amount;
              emit TransferSingle(operator, address(0), account, id, amount);
              _doSafeTransferAcceptanceCheck(operator, address(0), account, 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);
              _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
          }
          /**
           * @dev Destroys `amount` tokens of token type `id` from `account`
           *
           * Requirements:
           *
           * - `account` cannot be the zero address.
           * - `account` must have at least `amount` tokens of token type `id`.
           */
          function _burn(
              address account,
              uint256 id,
              uint256 amount
          ) internal virtual {
              require(account != address(0), "ERC1155: burn from the zero address");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, account, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");
              uint256 accountBalance = _balances[id][account];
              require(accountBalance >= amount, "ERC1155: burn amount exceeds balance");
              unchecked {
                  _balances[id][account] = accountBalance - amount;
              }
              emit TransferSingle(operator, account, address(0), id, amount);
          }
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
           *
           * Requirements:
           *
           * - `ids` and `amounts` must have the same length.
           */
          function _burnBatch(
              address account,
              uint256[] memory ids,
              uint256[] memory amounts
          ) internal virtual {
              require(account != address(0), "ERC1155: burn from the zero address");
              require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, account, address(0), ids, amounts, "");
              for (uint256 i = 0; i < ids.length; i++) {
                  uint256 id = ids[i];
                  uint256 amount = amounts[i];
                  uint256 accountBalance = _balances[id][account];
                  require(accountBalance >= amount, "ERC1155: burn amount exceeds balance");
                  unchecked {
                      _balances[id][account] = accountBalance - amount;
                  }
              }
              emit TransferBatch(operator, account, address(0), ids, amounts);
          }
          /**
           * @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 {}
          function _doSafeTransferAcceptanceCheck(
              address operator,
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) private {
              if (to.isContract()) {
                  try IERC1155ReceiverUpgradeable(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                      if (response != IERC1155ReceiverUpgradeable(to).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 IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                      bytes4 response
                  ) {
                      if (response != IERC1155ReceiverUpgradeable(to).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;
          }
          uint256[47] private __gap;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../../utils/introspection/IERC165Upgradeable.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 IERC1155Upgradeable is IERC165Upgradeable {
          /**
           * @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
      pragma solidity ^0.8.0;
      import "../../utils/introspection/IERC165Upgradeable.sol";
      /**
       * @dev _Available since v3.1._
       */
      interface IERC1155ReceiverUpgradeable is IERC165Upgradeable {
          /**
              @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.
              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. 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);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../IERC1155Upgradeable.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 IERC1155MetadataURIUpgradeable is IERC1155Upgradeable {
          /**
           * @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
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControlUpgradeable.sol";
      import "./core/ERC1155CreatorCore.sol";
      /**
       * @dev ERC1155Creator implementation (using transparent upgradeable proxy)
       */
      contract ERC1155CreatorUpgradeable is AdminControlUpgradeable, ERC1155Upgradeable, ERC1155CreatorCore {
          mapping(uint256 => uint256) private _totalSupply;
          /**
           * Initializer
           */
          function initialize() public initializer {
              __ERC1155_init("");
              __Ownable_init();
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155Upgradeable, ERC1155CreatorCore, AdminControlUpgradeable) returns (bool) {
              return ERC1155CreatorCore.supportsInterface(interfaceId) || ERC1155Upgradeable.supportsInterface(interfaceId) || AdminControlUpgradeable.supportsInterface(interfaceId);
          }
          function _beforeTokenTransfer(address, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory) internal virtual override {
              _approveTransfer(from, to, ids, amounts);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, false);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, baseURIIdentical);
          }
          /**
           * @dev See {ICreatorCore-unregisterExtension}.
           */
          function unregisterExtension(address extension) external override adminRequired {
              _unregisterExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-blacklistExtension}.
           */
          function blacklistExtension(address extension) external override adminRequired {
              _blacklistExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri_) external override extensionRequired {
              _setBaseTokenURIExtension(uri_, false);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri_, bool identical) external override extensionRequired {
              _setBaseTokenURIExtension(uri_, identical);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefixExtension}.
           */
          function setTokenURIPrefixExtension(string calldata prefix) external override extensionRequired {
              _setTokenURIPrefixExtension(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256 tokenId, string calldata uri_) external override extensionRequired {
              _setTokenURIExtension(tokenId, uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256[] memory tokenIds, string[] calldata uris) external override extensionRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURIExtension(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURI}.
           */
          function setBaseTokenURI(string calldata uri_) external override adminRequired {
              _setBaseTokenURI(uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefix}.
           */
          function setTokenURIPrefix(string calldata prefix) external override adminRequired {
              _setTokenURIPrefix(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256 tokenId, string calldata uri_) external override adminRequired {
              _setTokenURI(tokenId, uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external override adminRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURI(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setMintPermissions}.
           */
          function setMintPermissions(address extension, address permissions) external override adminRequired {
              _setMintPermissions(extension, permissions);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintBaseNew}.
           */
          function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) public virtual override nonReentrant adminRequired returns(uint256[] memory) {
              return _mintNew(address(this), to, amounts, uris);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintBaseExisting}.
           */
          function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public virtual override nonReentrant adminRequired {
              for (uint i = 0; i < tokenIds.length; i++) {
                  require(_tokensExtension[tokenIds[i]] == address(this), "A token was created by an extension");
              }
              _mintExisting(address(this), to, tokenIds, amounts);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintExtensionNew}.
           */
          function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              return _mintNew(msg.sender, to, amounts, uris);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintExtensionExisting}.
           */
          function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public virtual override nonReentrant extensionRequired {
              for (uint i = 0; i < tokenIds.length; i++) {
                  require(_tokensExtension[tokenIds[i]] == address(msg.sender), "A token was not created by this extension");
              }
              _mintExisting(msg.sender, to, tokenIds, amounts);
          }
          /**
           * @dev Mint new tokens
           */
          function _mintNew(address extension, address[] memory to, uint256[] memory amounts, string[] memory uris) internal returns(uint256[] memory tokenIds) {
              if (to.length > 1) {
                  // Multiple receiver.  Give every receiver the same new token
                  tokenIds = new uint256[](1);
                  require(uris.length <= 1 && (amounts.length == 1 || to.length == amounts.length), "Invalid input");
              } else {
                  // Single receiver.  Generating multiple tokens
                  tokenIds = new uint256[](amounts.length);
                  require(uris.length == 0 || amounts.length == uris.length, "Invalid input");
              }
              // Assign tokenIds
              for (uint i = 0; i < tokenIds.length; i++) {
                  _tokenCount++;
                  tokenIds[i] = _tokenCount;
                  // Track the extension that minted the token
                  _tokensExtension[_tokenCount] = extension;
              }
              if (extension != address(this)) {
                  _checkMintPermissions(to, tokenIds, amounts);
              }
              if (to.length == 1 && tokenIds.length == 1) {
                 // Single mint
                 _mint(to[0], tokenIds[0], amounts[0], new bytes(0));
              } else if (to.length > 1) {
                  // Multiple receivers.  Receiving the same token
                  if (amounts.length == 1) {
                      // Everyone receiving the same amount
                      for (uint i = 0; i < to.length; i++) {
                          _mint(to[i], tokenIds[0], amounts[0], new bytes(0));
                      }
                  } else {
                      // Everyone receiving different amounts
                      for (uint i = 0; i < to.length; i++) {
                          _mint(to[i], tokenIds[0], amounts[i], new bytes(0));
                      }
                  }
              } else {
                  _mintBatch(to[0], tokenIds, amounts, new bytes(0));
              }
              for (uint i = 0; i < tokenIds.length; i++) {
                  if (i < uris.length && bytes(uris[i]).length > 0) {
                      _tokenURIs[tokenIds[i]] = uris[i];
                  }
              }
              return tokenIds;
          }
          /**
           * @dev Mint existing tokens
           */
          function _mintExisting(address extension, address[] memory to, uint256[] memory tokenIds, uint256[] memory amounts) internal {
              if (extension != address(this)) {
                  _checkMintPermissions(to, tokenIds, amounts);
              }
              if (to.length == 1 && tokenIds.length == 1 && amounts.length == 1) {
                   // Single mint
                  _mint(to[0], tokenIds[0], amounts[0], new bytes(0));            
              } else if (to.length == 1 && tokenIds.length == amounts.length) {
                  // Batch mint to same receiver
                  _mintBatch(to[0], tokenIds, amounts, new bytes(0));
              } else if (tokenIds.length == 1 && amounts.length == 1) {
                  // Mint of the same token/token amounts to various receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[0], amounts[0], new bytes(0));
                  }
              } else if (tokenIds.length == 1 && to.length == amounts.length) {
                  // Mint of the same token with different amounts to different receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[0], amounts[i], new bytes(0));
                  }
              } else if (to.length == tokenIds.length && to.length == amounts.length) {
                  // Mint of different tokens and different amounts to different receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[i], amounts[i], new bytes(0));
                  }
              } else {
                  revert("Invalid input");
              }
          }
          /**
           * @dev See {IERC1155CreatorCore-tokenExtension}.
           */
          function tokenExtension(uint256 tokenId) public view virtual override returns (address) {
              return _tokenExtension(tokenId);
          }
          /**
           * @dev See {IERC1155CreatorCore-burn}.
           */
          function burn(address account, uint256[] memory tokenIds, uint256[] memory amounts) public virtual override nonReentrant {
              require(account == msg.sender || isApprovedForAll(account, msg.sender), "Caller is not owner nor approved");
              require(tokenIds.length == amounts.length, "Invalid input");
              if (tokenIds.length == 1) {
                  _burn(account, tokenIds[0], amounts[0]);
              } else {
                  _burnBatch(account, tokenIds, amounts);
              }
              _postBurn(account, tokenIds, amounts);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(address(this), receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyalties(tokenId, receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyaltiesExtension}.
           */
          function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(extension, receivers, basisPoints);
          }
          /**
           * @dev {See ICreatorCore-getRoyalties}.
           */
          function getRoyalties(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFees}.
           */
          function getFees(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeRecipients}.
           */
          function getFeeRecipients(uint256 tokenId) external view virtual override returns (address payable[] memory) {
              return _getRoyaltyReceivers(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeBps}.
           */
          function getFeeBps(uint256 tokenId) external view virtual override returns (uint[] memory) {
              return _getRoyaltyBPS(tokenId);
          }
          
          /**
           * @dev {See ICreatorCore-royaltyInfo}.
           */
          function royaltyInfo(uint256 tokenId, uint256 value) external view virtual override returns (address, uint256) {
              return _getRoyaltyInfo(tokenId, value);
          } 
          /**
           * @dev See {IERC721Metadata-tokenURI}.
           */
          function uri(uint256 tokenId) public view virtual override returns (string memory) {
              return _tokenURI(tokenId);
          }
          
          /**
           * @dev Total amount of tokens in with a given id.
           */
          function totalSupply(uint256 tokenId) external view virtual override returns (uint256) {
              return _totalSupply[tokenId];
          }
          /**
           * @dev See {ERC1155-_mint}.
           */
          function _mint(address account, uint256 id, uint256 amount, bytes memory data) internal virtual override {
              super._mint(account, id, amount, data);
              _totalSupply[id] += amount;
          }
          /**
           * @dev See {ERC1155-_mintBatch}.
           */
          function _mintBatch(address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) internal virtual override {
              super._mintBatch(to, ids, amounts, data);
              for (uint256 i = 0; i < ids.length; ++i) {
                  _totalSupply[ids[i]] += amounts[i];
              }
          }
          /**
           * @dev See {ERC1155-_burn}.
           */
          function _burn(address account, uint256 id, uint256 amount) internal virtual override {
              super._burn(account, id, amount);
              _totalSupply[id] -= amount;
          }
          /**
           * @dev See {ERC1155-_burnBatch}.
           */
          function _burnBatch(address account, uint256[] memory ids, uint256[] memory amounts) internal virtual override {
              super._burnBatch(account, ids, amounts);
              for (uint256 i = 0; i < ids.length; ++i) {
                  _totalSupply[ids[i]] -= amounts[i];
              }
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
      import "../extensions/ERC1155/IERC1155CreatorExtensionApproveTransfer.sol";
      import "../extensions/ERC1155/IERC1155CreatorExtensionBurnable.sol";
      import "../permissions/ERC1155/IERC1155CreatorMintPermissions.sol";
      import "./IERC1155CreatorCore.sol";
      import "./CreatorCore.sol";
      /**
       * @dev Core ERC1155 creator implementation
       */
      abstract contract ERC1155CreatorCore is CreatorCore, IERC1155CreatorCore {
          using EnumerableSet for EnumerableSet.AddressSet;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(CreatorCore, IERC165) returns (bool) {
              return interfaceId == type(IERC1155CreatorCore).interfaceId || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {ICreatorCore-setApproveTransferExtension}.
           */
          function setApproveTransferExtension(bool enabled) external override extensionRequired {
              require(!enabled || ERC165Checker.supportsInterface(msg.sender, type(IERC1155CreatorExtensionApproveTransfer).interfaceId), "Extension must implement IERC1155CreatorExtensionApproveTransfer");
              if (_extensionApproveTransfers[msg.sender] != enabled) {
                  _extensionApproveTransfers[msg.sender] = enabled;
                  emit ExtensionApproveTransferUpdated(msg.sender, enabled);
              }
          }
          /**
           * @dev Set mint permissions for an extension
           */
          function _setMintPermissions(address extension, address permissions) internal {
              require(_extensions.contains(extension), "Invalid extension");
              require(permissions == address(0x0) || ERC165Checker.supportsInterface(permissions, type(IERC1155CreatorMintPermissions).interfaceId), "Invalid address");
              if (_extensionPermissions[extension] != permissions) {
                  _extensionPermissions[extension] = permissions;
                  emit MintPermissionsUpdated(extension, permissions, msg.sender);
              }
          }
          /**
           * Check if an extension can mint
           */
          function _checkMintPermissions(address[] memory to, uint256[] memory tokenIds, uint256[] memory amounts) internal {
              if (_extensionPermissions[msg.sender] != address(0x0)) {
                  IERC1155CreatorMintPermissions(_extensionPermissions[msg.sender]).approveMint(msg.sender, to, tokenIds, amounts);
              }
          }
          /**
           * Post burn actions
           */
          function _postBurn(address owner, uint256[] memory tokenIds, uint256[] memory amounts) internal virtual {
              require(tokenIds.length > 0, "Invalid input");
              address extension = _tokensExtension[tokenIds[0]];
              for (uint i = 0; i < tokenIds.length; i++) {
                  require(_tokensExtension[tokenIds[i]] == extension, "Mismatched token originators");
              }
              // Callback to originating extension if needed
              if (extension != address(this)) {
                 if (ERC165Checker.supportsInterface(extension, type(IERC1155CreatorExtensionBurnable).interfaceId)) {
                     IERC1155CreatorExtensionBurnable(extension).onBurn(owner, tokenIds, amounts);
                 }
              }
          }
          /**
           * Approve a transfer
           */
          function _approveTransfer(address from, address to, uint256[] memory tokenIds, uint256[] memory amounts) internal {
              require(tokenIds.length > 0, "Invalid input");
              address extension = _tokensExtension[tokenIds[0]];
              for (uint i = 0; i < tokenIds.length; i++) {
                  require(_tokensExtension[tokenIds[i]] == extension, "Mismatched token originators");
              }
              if (_extensionApproveTransfers[extension]) {
                  require(IERC1155CreatorExtensionApproveTransfer(extension).approveTransfer(from, to, tokenIds, amounts), "Extension approval failure");
              }
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * Implement this if you want your extension to approve a transfer
       */
      interface IERC1155CreatorExtensionApproveTransfer is IERC165 {
          /**
           * @dev Set whether or not the creator contract will check the extension for approval of token transfer
           */
          function setApproveTransfer(address creator, bool enabled) external;
          /**
           * @dev Called by creator contract to approve a transfer
           */
          function approveTransfer(address from, address to, uint256[] calldata tokenIds, uint256[] calldata amounts) external returns (bool);
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Your extension is required to implement this interface if it wishes
       * to receive the onBurn callback whenever a token the extension created is
       * burned
       */
      interface IERC1155CreatorExtensionBurnable is IERC165 {
          /**
           * @dev callback handler for burn events
           */
          function onBurn(address owner, uint256[] calldata tokenIds, uint256[] calldata amounts) external;
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Required interface of an ERC1155Creator compliant extension contracts.
       */
      interface IERC1155CreatorMintPermissions is IERC165 {
          /**
           * @dev get approval to mint
           */
          function approveMint(address extension, address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external;
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "./CreatorCore.sol";
      /**
       * @dev Core ERC1155 creator interface
       */
      interface IERC1155CreatorCore is ICreatorCore {
          /**
           * @dev mint a token with no extension. Can only be called by an admin.
           *
           * @param to       - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
           * @param amounts  - Can be a single element array (all recipients get the same amount) or a multi-element array
           * @param uris     - If no elements, all tokens use the default uri.
           *                   If any element is an empty string, the corresponding token uses the default uri.
           *
           *
           * Requirements: If to is a multi-element array, then uris must be empty or single element array
           *               If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size
           *               If to is a single element array, uris must be empty or the same length as amounts
           *
           * Examples:
           *    mintBaseNew(['0x....1', '0x....2'], [1], [])
           *        Mints a single new token, and gives 1 each to '0x....1' and '0x....2'.  Token uses default uri.
           *    
           *    mintBaseNew(['0x....1', '0x....2'], [1, 2], [])
           *        Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'.  Token uses default uri.
           *    
           *    mintBaseNew(['0x....1'], [1, 2], ["", "http://token2.com"])
           *        Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second.  1st token uses default uri, second uses "http://token2.com".
           *    
           * @return Returns list of tokenIds minted
           */
          function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory);
          /**
           * @dev batch mint existing token with no extension. Can only be called by an admin.
           *
           * @param to        - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
           * @param tokenIds  - Can be a single element array (all recipients get the same token) or a multi-element array
           * @param amounts   - Can be a single element array (all recipients get the same amount) or a multi-element array
           *
           * Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays
           *
           * Examples:
           *    mintBaseExisting(['0x....1', '0x....2'], [1], [10])
           *        Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'.
           *    
           *    mintBaseExisting(['0x....1', '0x....2'], [1, 2], [10, 20])
           *        Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'.
           *    
           *    mintBaseExisting(['0x....1'], [1, 2], [10, 20])
           *        Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'.
           *    
           *    mintBaseExisting(['0x....1', '0x....2'], [1], [10, 20])
           *        Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'.
           *    
           */
          function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external;
          /**
           * @dev mint a token from an extension. Can only be called by a registered extension.
           *
           * @param to       - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
           * @param amounts  - Can be a single element array (all recipients get the same amount) or a multi-element array
           * @param uris     - If no elements, all tokens use the default uri.
           *                   If any element is an empty string, the corresponding token uses the default uri.
           *
           *
           * Requirements: If to is a multi-element array, then uris must be empty or single element array
           *               If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size
           *               If to is a single element array, uris must be empty or the same length as amounts
           *
           * Examples:
           *    mintExtensionNew(['0x....1', '0x....2'], [1], [])
           *        Mints a single new token, and gives 1 each to '0x....1' and '0x....2'.  Token uses default uri.
           *    
           *    mintExtensionNew(['0x....1', '0x....2'], [1, 2], [])
           *        Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'.  Token uses default uri.
           *    
           *    mintExtensionNew(['0x....1'], [1, 2], ["", "http://token2.com"])
           *        Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second.  1st token uses default uri, second uses "http://token2.com".
           *    
           * @return Returns list of tokenIds minted
           */
          function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory);
          /**
           * @dev batch mint existing token from extension. Can only be called by a registered extension.
           *
           * @param to        - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
           * @param tokenIds  - Can be a single element array (all recipients get the same token) or a multi-element array
           * @param amounts   - Can be a single element array (all recipients get the same amount) or a multi-element array
           *
           * Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays
           *
           * Examples:
           *    mintExtensionExisting(['0x....1', '0x....2'], [1], [10])
           *        Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'.
           *    
           *    mintExtensionExisting(['0x....1', '0x....2'], [1, 2], [10, 20])
           *        Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'.
           *    
           *    mintExtensionExisting(['0x....1'], [1, 2], [10, 20])
           *        Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'.
           *    
           *    mintExtensionExisting(['0x....1', '0x....2'], [1], [10, 20])
           *        Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'.
           *    
           */
          function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external;
          /**
           * @dev burn tokens. Can only be called by token owner or approved address.
           * On burn, calls back to the registered extension's onBurn method
           */
          function burn(address account, uint256[] calldata tokenIds, uint256[] calldata amounts) external;
          /**
           * @dev Total amount of tokens in with a given tokenId.
           */
          function totalSupply(uint256 tokenId) external view returns (uint256);
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControlUpgradeable.sol";
      import "./core/ERC1155CreatorCore.sol";
      /**
       * @dev ERC1155Creator implementation
       */
      contract ERC1155CreatorImplementation is AdminControlUpgradeable, ERC1155Upgradeable, ERC1155CreatorCore {
          mapping(uint256 => uint256) private _totalSupply;
          /**
           * Initializer
           */
          function initialize() public initializer {
              __ERC1155_init("");
              __Ownable_init();
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155Upgradeable, ERC1155CreatorCore, AdminControlUpgradeable) returns (bool) {
              return ERC1155CreatorCore.supportsInterface(interfaceId) || ERC1155Upgradeable.supportsInterface(interfaceId) || AdminControlUpgradeable.supportsInterface(interfaceId);
          }
          function _beforeTokenTransfer(address, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory) internal virtual override {
              _approveTransfer(from, to, ids, amounts);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, false);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, baseURIIdentical);
          }
          /**
           * @dev See {ICreatorCore-unregisterExtension}.
           */
          function unregisterExtension(address extension) external override adminRequired {
              _unregisterExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-blacklistExtension}.
           */
          function blacklistExtension(address extension) external override adminRequired {
              _blacklistExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri_) external override extensionRequired {
              _setBaseTokenURIExtension(uri_, false);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri_, bool identical) external override extensionRequired {
              _setBaseTokenURIExtension(uri_, identical);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefixExtension}.
           */
          function setTokenURIPrefixExtension(string calldata prefix) external override extensionRequired {
              _setTokenURIPrefixExtension(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256 tokenId, string calldata uri_) external override extensionRequired {
              _setTokenURIExtension(tokenId, uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256[] memory tokenIds, string[] calldata uris) external override extensionRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURIExtension(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURI}.
           */
          function setBaseTokenURI(string calldata uri_) external override adminRequired {
              _setBaseTokenURI(uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefix}.
           */
          function setTokenURIPrefix(string calldata prefix) external override adminRequired {
              _setTokenURIPrefix(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256 tokenId, string calldata uri_) external override adminRequired {
              _setTokenURI(tokenId, uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external override adminRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURI(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setMintPermissions}.
           */
          function setMintPermissions(address extension, address permissions) external override adminRequired {
              _setMintPermissions(extension, permissions);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintBaseNew}.
           */
          function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) public virtual override nonReentrant adminRequired returns(uint256[] memory) {
              return _mintNew(address(this), to, amounts, uris);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintBaseExisting}.
           */
          function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public virtual override nonReentrant adminRequired {
              for (uint i = 0; i < tokenIds.length; i++) {
                  require(_tokensExtension[tokenIds[i]] == address(this), "A token was created by an extension");
              }
              _mintExisting(address(this), to, tokenIds, amounts);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintExtensionNew}.
           */
          function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              return _mintNew(msg.sender, to, amounts, uris);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintExtensionExisting}.
           */
          function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public virtual override nonReentrant extensionRequired {
              for (uint i = 0; i < tokenIds.length; i++) {
                  require(_tokensExtension[tokenIds[i]] == address(msg.sender), "A token was not created by this extension");
              }
              _mintExisting(msg.sender, to, tokenIds, amounts);
          }
          /**
           * @dev Mint new tokens
           */
          function _mintNew(address extension, address[] memory to, uint256[] memory amounts, string[] memory uris) internal returns(uint256[] memory tokenIds) {
              if (to.length > 1) {
                  // Multiple receiver.  Give every receiver the same new token
                  tokenIds = new uint256[](1);
                  require(uris.length <= 1 && (amounts.length == 1 || to.length == amounts.length), "Invalid input");
              } else {
                  // Single receiver.  Generating multiple tokens
                  tokenIds = new uint256[](amounts.length);
                  require(uris.length == 0 || amounts.length == uris.length, "Invalid input");
              }
              // Assign tokenIds
              for (uint i = 0; i < tokenIds.length; i++) {
                  _tokenCount++;
                  tokenIds[i] = _tokenCount;
                  // Track the extension that minted the token
                  _tokensExtension[_tokenCount] = extension;
              }
              if (extension != address(this)) {
                  _checkMintPermissions(to, tokenIds, amounts);
              }
              if (to.length == 1 && tokenIds.length == 1) {
                 // Single mint
                 _mint(to[0], tokenIds[0], amounts[0], new bytes(0));
              } else if (to.length > 1) {
                  // Multiple receivers.  Receiving the same token
                  if (amounts.length == 1) {
                      // Everyone receiving the same amount
                      for (uint i = 0; i < to.length; i++) {
                          _mint(to[i], tokenIds[0], amounts[0], new bytes(0));
                      }
                  } else {
                      // Everyone receiving different amounts
                      for (uint i = 0; i < to.length; i++) {
                          _mint(to[i], tokenIds[0], amounts[i], new bytes(0));
                      }
                  }
              } else {
                  _mintBatch(to[0], tokenIds, amounts, new bytes(0));
              }
              for (uint i = 0; i < tokenIds.length; i++) {
                  if (i < uris.length && bytes(uris[i]).length > 0) {
                      _tokenURIs[tokenIds[i]] = uris[i];
                  }
              }
              return tokenIds;
          }
          /**
           * @dev Mint existing tokens
           */
          function _mintExisting(address extension, address[] memory to, uint256[] memory tokenIds, uint256[] memory amounts) internal {
              if (extension != address(this)) {
                  _checkMintPermissions(to, tokenIds, amounts);
              }
              if (to.length == 1 && tokenIds.length == 1 && amounts.length == 1) {
                   // Single mint
                  _mint(to[0], tokenIds[0], amounts[0], new bytes(0));            
              } else if (to.length == 1 && tokenIds.length == amounts.length) {
                  // Batch mint to same receiver
                  _mintBatch(to[0], tokenIds, amounts, new bytes(0));
              } else if (tokenIds.length == 1 && amounts.length == 1) {
                  // Mint of the same token/token amounts to various receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[0], amounts[0], new bytes(0));
                  }
              } else if (tokenIds.length == 1 && to.length == amounts.length) {
                  // Mint of the same token with different amounts to different receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[0], amounts[i], new bytes(0));
                  }
              } else if (to.length == tokenIds.length && to.length == amounts.length) {
                  // Mint of different tokens and different amounts to different receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[i], amounts[i], new bytes(0));
                  }
              } else {
                  revert("Invalid input");
              }
          }
          /**
           * @dev See {IERC1155CreatorCore-tokenExtension}.
           */
          function tokenExtension(uint256 tokenId) public view virtual override returns (address) {
              return _tokenExtension(tokenId);
          }
          /**
           * @dev See {IERC1155CreatorCore-burn}.
           */
          function burn(address account, uint256[] memory tokenIds, uint256[] memory amounts) public virtual override nonReentrant {
              require(account == msg.sender || isApprovedForAll(account, msg.sender), "Caller is not owner nor approved");
              require(tokenIds.length == amounts.length, "Invalid input");
              if (tokenIds.length == 1) {
                  _burn(account, tokenIds[0], amounts[0]);
              } else {
                  _burnBatch(account, tokenIds, amounts);
              }
              _postBurn(account, tokenIds, amounts);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(address(this), receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyalties(tokenId, receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyaltiesExtension}.
           */
          function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(extension, receivers, basisPoints);
          }
          /**
           * @dev {See ICreatorCore-getRoyalties}.
           */
          function getRoyalties(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFees}.
           */
          function getFees(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeRecipients}.
           */
          function getFeeRecipients(uint256 tokenId) external view virtual override returns (address payable[] memory) {
              return _getRoyaltyReceivers(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeBps}.
           */
          function getFeeBps(uint256 tokenId) external view virtual override returns (uint[] memory) {
              return _getRoyaltyBPS(tokenId);
          }
          
          /**
           * @dev {See ICreatorCore-royaltyInfo}.
           */
          function royaltyInfo(uint256 tokenId, uint256 value) external view virtual override returns (address, uint256) {
              return _getRoyaltyInfo(tokenId, value);
          } 
          /**
           * @dev See {IERC721Metadata-tokenURI}.
           */
          function uri(uint256 tokenId) public view virtual override returns (string memory) {
              return _tokenURI(tokenId);
          }
          
          /**
           * @dev Total amount of tokens in with a given id.
           */
          function totalSupply(uint256 tokenId) external view virtual override returns (uint256) {
              return _totalSupply[tokenId];
          }
          /**
           * @dev See {ERC1155-_mint}.
           */
          function _mint(address account, uint256 id, uint256 amount, bytes memory data) internal virtual override {
              super._mint(account, id, amount, data);
              _totalSupply[id] += amount;
          }
          /**
           * @dev See {ERC1155-_mintBatch}.
           */
          function _mintBatch(address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) internal virtual override {
              super._mintBatch(to, ids, amounts, data);
              for (uint256 i = 0; i < ids.length; ++i) {
                  _totalSupply[ids[i]] += amounts[i];
              }
          }
          /**
           * @dev See {ERC1155-_burn}.
           */
          function _burn(address account, uint256 id, uint256 amount) internal virtual override {
              super._burn(account, id, amount);
              _totalSupply[id] -= amount;
          }
          /**
           * @dev See {ERC1155-_burnBatch}.
           */
          function _burnBatch(address account, uint256[] memory ids, uint256[] memory amounts) internal virtual override {
              super._burnBatch(account, ids, amounts);
              for (uint256 i = 0; i < ids.length; ++i) {
                  _totalSupply[ids[i]] -= amounts[i];
              }
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "./core/ERC1155CreatorCore.sol";
      /**
       * @dev ERC1155Creator implementation
       */
      contract ERC1155Creator is AdminControl, ERC1155, ERC1155CreatorCore {
          mapping(uint256 => uint256) private _totalSupply;
          constructor () ERC1155("") {}
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155, ERC1155CreatorCore, AdminControl) returns (bool) {
              return ERC1155CreatorCore.supportsInterface(interfaceId) || ERC1155.supportsInterface(interfaceId) || AdminControl.supportsInterface(interfaceId);
          }
          function _beforeTokenTransfer(address, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory) internal virtual override {
              _approveTransfer(from, to, ids, amounts);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, false);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, baseURIIdentical);
          }
          /**
           * @dev See {ICreatorCore-unregisterExtension}.
           */
          function unregisterExtension(address extension) external override adminRequired {
              _unregisterExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-blacklistExtension}.
           */
          function blacklistExtension(address extension) external override adminRequired {
              _blacklistExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri_) external override extensionRequired {
              _setBaseTokenURIExtension(uri_, false);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri_, bool identical) external override extensionRequired {
              _setBaseTokenURIExtension(uri_, identical);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefixExtension}.
           */
          function setTokenURIPrefixExtension(string calldata prefix) external override extensionRequired {
              _setTokenURIPrefixExtension(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256 tokenId, string calldata uri_) external override extensionRequired {
              _setTokenURIExtension(tokenId, uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256[] memory tokenIds, string[] calldata uris) external override extensionRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURIExtension(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURI}.
           */
          function setBaseTokenURI(string calldata uri_) external override adminRequired {
              _setBaseTokenURI(uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefix}.
           */
          function setTokenURIPrefix(string calldata prefix) external override adminRequired {
              _setTokenURIPrefix(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256 tokenId, string calldata uri_) external override adminRequired {
              _setTokenURI(tokenId, uri_);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external override adminRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURI(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setMintPermissions}.
           */
          function setMintPermissions(address extension, address permissions) external override adminRequired {
              _setMintPermissions(extension, permissions);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintBaseNew}.
           */
          function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) public virtual override nonReentrant adminRequired returns(uint256[] memory) {
              return _mintNew(address(this), to, amounts, uris);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintBaseExisting}.
           */
          function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public virtual override nonReentrant adminRequired {
              for (uint i = 0; i < tokenIds.length; i++) {
                  require(_tokensExtension[tokenIds[i]] == address(this), "A token was created by an extension");
              }
              _mintExisting(address(this), to, tokenIds, amounts);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintExtensionNew}.
           */
          function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              return _mintNew(msg.sender, to, amounts, uris);
          }
          /**
           * @dev See {IERC1155CreatorCore-mintExtensionExisting}.
           */
          function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public virtual override nonReentrant extensionRequired {
              for (uint i = 0; i < tokenIds.length; i++) {
                  require(_tokensExtension[tokenIds[i]] == address(msg.sender), "A token was not created by this extension");
              }
              _mintExisting(msg.sender, to, tokenIds, amounts);
          }
          /**
           * @dev Mint new tokens
           */
          function _mintNew(address extension, address[] memory to, uint256[] memory amounts, string[] memory uris) internal returns(uint256[] memory tokenIds) {
              if (to.length > 1) {
                  // Multiple receiver.  Give every receiver the same new token
                  tokenIds = new uint256[](1);
                  require(uris.length <= 1 && (amounts.length == 1 || to.length == amounts.length), "Invalid input");
              } else {
                  // Single receiver.  Generating multiple tokens
                  tokenIds = new uint256[](amounts.length);
                  require(uris.length == 0 || amounts.length == uris.length, "Invalid input");
              }
              // Assign tokenIds
              for (uint i = 0; i < tokenIds.length; i++) {
                  _tokenCount++;
                  tokenIds[i] = _tokenCount;
                  // Track the extension that minted the token
                  _tokensExtension[_tokenCount] = extension;
              }
              if (extension != address(this)) {
                  _checkMintPermissions(to, tokenIds, amounts);
              }
              if (to.length == 1 && tokenIds.length == 1) {
                 // Single mint
                 _mint(to[0], tokenIds[0], amounts[0], new bytes(0));
              } else if (to.length > 1) {
                  // Multiple receivers.  Receiving the same token
                  if (amounts.length == 1) {
                      // Everyone receiving the same amount
                      for (uint i = 0; i < to.length; i++) {
                          _mint(to[i], tokenIds[0], amounts[0], new bytes(0));
                      }
                  } else {
                      // Everyone receiving different amounts
                      for (uint i = 0; i < to.length; i++) {
                          _mint(to[i], tokenIds[0], amounts[i], new bytes(0));
                      }
                  }
              } else {
                  _mintBatch(to[0], tokenIds, amounts, new bytes(0));
              }
              for (uint i = 0; i < tokenIds.length; i++) {
                  if (i < uris.length && bytes(uris[i]).length > 0) {
                      _tokenURIs[tokenIds[i]] = uris[i];
                  }
              }
              return tokenIds;
          }
          /**
           * @dev Mint existing tokens
           */
          function _mintExisting(address extension, address[] memory to, uint256[] memory tokenIds, uint256[] memory amounts) internal {
              if (extension != address(this)) {
                  _checkMintPermissions(to, tokenIds, amounts);
              }
              if (to.length == 1 && tokenIds.length == 1 && amounts.length == 1) {
                   // Single mint
                  _mint(to[0], tokenIds[0], amounts[0], new bytes(0));            
              } else if (to.length == 1 && tokenIds.length == amounts.length) {
                  // Batch mint to same receiver
                  _mintBatch(to[0], tokenIds, amounts, new bytes(0));
              } else if (tokenIds.length == 1 && amounts.length == 1) {
                  // Mint of the same token/token amounts to various receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[0], amounts[0], new bytes(0));
                  }
              } else if (tokenIds.length == 1 && to.length == amounts.length) {
                  // Mint of the same token with different amounts to different receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[0], amounts[i], new bytes(0));
                  }
              } else if (to.length == tokenIds.length && to.length == amounts.length) {
                  // Mint of different tokens and different amounts to different receivers
                  for (uint i = 0; i < to.length; i++) {
                      _mint(to[i], tokenIds[i], amounts[i], new bytes(0));
                  }
              } else {
                  revert("Invalid input");
              }
          }
          /**
           * @dev See {IERC1155CreatorCore-tokenExtension}.
           */
          function tokenExtension(uint256 tokenId) public view virtual override returns (address) {
              return _tokenExtension(tokenId);
          }
          /**
           * @dev See {IERC1155CreatorCore-burn}.
           */
          function burn(address account, uint256[] memory tokenIds, uint256[] memory amounts) public virtual override nonReentrant {
              require(account == msg.sender || isApprovedForAll(account, msg.sender), "Caller is not owner nor approved");
              require(tokenIds.length == amounts.length, "Invalid input");
              if (tokenIds.length == 1) {
                  _burn(account, tokenIds[0], amounts[0]);
              } else {
                  _burnBatch(account, tokenIds, amounts);
              }
              _postBurn(account, tokenIds, amounts);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(address(this), receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyalties(tokenId, receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyaltiesExtension}.
           */
          function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(extension, receivers, basisPoints);
          }
          /**
           * @dev {See ICreatorCore-getRoyalties}.
           */
          function getRoyalties(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFees}.
           */
          function getFees(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeRecipients}.
           */
          function getFeeRecipients(uint256 tokenId) external view virtual override returns (address payable[] memory) {
              return _getRoyaltyReceivers(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeBps}.
           */
          function getFeeBps(uint256 tokenId) external view virtual override returns (uint[] memory) {
              return _getRoyaltyBPS(tokenId);
          }
          
          /**
           * @dev {See ICreatorCore-royaltyInfo}.
           */
          function royaltyInfo(uint256 tokenId, uint256 value) external view virtual override returns (address, uint256) {
              return _getRoyaltyInfo(tokenId, value);
          } 
          /**
           * @dev See {IERC721Metadata-tokenURI}.
           */
          function uri(uint256 tokenId) public view virtual override returns (string memory) {
              return _tokenURI(tokenId);
          }
          
          /**
           * @dev Total amount of tokens in with a given id.
           */
          function totalSupply(uint256 tokenId) external view virtual override returns (uint256) {
              return _totalSupply[tokenId];
          }
          /**
           * @dev See {ERC1155-_mint}.
           */
          function _mint(address account, uint256 id, uint256 amount, bytes memory data) internal virtual override {
              super._mint(account, id, amount, data);
              _totalSupply[id] += amount;
          }
          /**
           * @dev See {ERC1155-_mintBatch}.
           */
          function _mintBatch(address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) internal virtual override {
              super._mintBatch(to, ids, amounts, data);
              for (uint256 i = 0; i < ids.length; ++i) {
                  _totalSupply[ids[i]] += amounts[i];
              }
          }
          /**
           * @dev See {ERC1155-_burn}.
           */
          function _burn(address account, uint256 id, uint256 amount) internal virtual override {
              super._burn(account, id, amount);
              _totalSupply[id] -= amount;
          }
          /**
           * @dev See {ERC1155-_burnBatch}.
           */
          function _burnBatch(address account, uint256[] memory ids, uint256[] memory amounts) internal virtual override {
              super._burnBatch(account, ids, amounts);
              for (uint256 i = 0; i < ids.length; ++i) {
                  _totalSupply[ids[i]] -= amounts[i];
              }
          }
      }// SPDX-License-Identifier: MIT
      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 {
              require(_msgSender() != operator, "ERC1155: setting approval status for self");
              _operatorApprovals[_msgSender()][operator] = approved;
              emit ApprovalForAll(_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();
              _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), 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);
              _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);
              _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 `account`.
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `account` cannot be the zero address.
           * - If `account` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
           * acceptance magic value.
           */
          function _mint(
              address account,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) internal virtual {
              require(account != address(0), "ERC1155: mint to the zero address");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, address(0), account, _asSingletonArray(id), _asSingletonArray(amount), data);
              _balances[id][account] += amount;
              emit TransferSingle(operator, address(0), account, id, amount);
              _doSafeTransferAcceptanceCheck(operator, address(0), account, 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);
              _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
          }
          /**
           * @dev Destroys `amount` tokens of token type `id` from `account`
           *
           * Requirements:
           *
           * - `account` cannot be the zero address.
           * - `account` must have at least `amount` tokens of token type `id`.
           */
          function _burn(
              address account,
              uint256 id,
              uint256 amount
          ) internal virtual {
              require(account != address(0), "ERC1155: burn from the zero address");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, account, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");
              uint256 accountBalance = _balances[id][account];
              require(accountBalance >= amount, "ERC1155: burn amount exceeds balance");
              unchecked {
                  _balances[id][account] = accountBalance - amount;
              }
              emit TransferSingle(operator, account, address(0), id, amount);
          }
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
           *
           * Requirements:
           *
           * - `ids` and `amounts` must have the same length.
           */
          function _burnBatch(
              address account,
              uint256[] memory ids,
              uint256[] memory amounts
          ) internal virtual {
              require(account != address(0), "ERC1155: burn from the zero address");
              require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, account, address(0), ids, amounts, "");
              for (uint256 i = 0; i < ids.length; i++) {
                  uint256 id = ids[i];
                  uint256 amount = amounts[i];
                  uint256 accountBalance = _balances[id][account];
                  require(accountBalance >= amount, "ERC1155: burn amount exceeds balance");
                  unchecked {
                      _balances[id][account] = accountBalance - amount;
                  }
              }
              emit TransferBatch(operator, account, address(0), ids, amounts);
          }
          /**
           * @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 {}
          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(to).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(to).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
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
      import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
      import "@openzeppelin/contracts/access/Ownable.sol";
      import "./IAdminControl.sol";
      abstract contract AdminControl is Ownable, IAdminControl, ERC165 {
          using EnumerableSet for EnumerableSet.AddressSet;
          // Track registered admins
          EnumerableSet.AddressSet private _admins;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
              return interfaceId == type(IAdminControl).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev Only allows approved admins to call the specified function
           */
          modifier adminRequired() {
              require(owner() == msg.sender || _admins.contains(msg.sender), "AdminControl: Must be owner or admin");
              _;
          }   
          /**
           * @dev See {IAdminControl-getAdmins}.
           */
          function getAdmins() external view override returns (address[] memory admins) {
              admins = new address[](_admins.length());
              for (uint i = 0; i < _admins.length(); i++) {
                  admins[i] = _admins.at(i);
              }
              return admins;
          }
          /**
           * @dev See {IAdminControl-approveAdmin}.
           */
          function approveAdmin(address admin) external override onlyOwner {
              if (!_admins.contains(admin)) {
                  emit AdminApproved(admin, msg.sender);
                  _admins.add(admin);
              }
          }
          /**
           * @dev See {IAdminControl-revokeAdmin}.
           */
          function revokeAdmin(address admin) external override onlyOwner {
              if (_admins.contains(admin)) {
                  emit AdminRevoked(admin, msg.sender);
                  _admins.remove(admin);
              }
          }
          /**
           * @dev See {IAdminControl-isAdmin}.
           */
          function isAdmin(address admin) public override view returns (bool) {
              return (owner() == admin || _admins.contains(admin));
          }
      }// SPDX-License-Identifier: MIT
      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
      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.
              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. 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);
      }
      // SPDX-License-Identifier: MIT
      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
      pragma solidity ^0.8.0;
      /**
       * @dev Collection of functions related to the address type
       */
      library Address {
          /**
           * @dev Returns true if `account` is a contract.
           *
           * [IMPORTANT]
           * ====
           * It is unsafe to assume that an address for which this function returns
           * false is an externally-owned account (EOA) and not a contract.
           *
           * Among others, `isContract` will return false for the following
           * types of addresses:
           *
           *  - an externally-owned account
           *  - a contract in construction
           *  - an address where a contract will be created
           *  - an address where a contract lived, but was destroyed
           * ====
           */
          function isContract(address account) internal view returns (bool) {
              // This method relies on extcodesize, which returns 0 for contracts in
              // construction, since the code is only stored at the end of the
              // constructor execution.
              uint256 size;
              assembly {
                  size := extcodesize(account)
              }
              return size > 0;
          }
          /**
           * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
           * `recipient`, forwarding all available gas and reverting on errors.
           *
           * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
           * of certain opcodes, possibly making contracts go over the 2300 gas limit
           * imposed by `transfer`, making them unable to receive funds via
           * `transfer`. {sendValue} removes this limitation.
           *
           * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
           *
           * IMPORTANT: because control is transferred to `recipient`, care must be
           * taken to not create reentrancy vulnerabilities. Consider using
           * {ReentrancyGuard} or the
           * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
           */
          function sendValue(address payable recipient, uint256 amount) internal {
              require(address(this).balance >= amount, "Address: insufficient balance");
              (bool success, ) = recipient.call{value: amount}("");
              require(success, "Address: unable to send value, recipient may have reverted");
          }
          /**
           * @dev Performs a Solidity function call using a low level `call`. A
           * plain `call` is an unsafe replacement for a function call: use this
           * function instead.
           *
           * If `target` reverts with a revert reason, it is bubbled up by this
           * function (like regular Solidity function calls).
           *
           * Returns the raw returned data. To convert to the expected return value,
           * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
           *
           * Requirements:
           *
           * - `target` must be a contract.
           * - calling `target` with `data` must not revert.
           *
           * _Available since v3.1._
           */
          function functionCall(address target, bytes memory data) internal returns (bytes memory) {
              return functionCall(target, data, "Address: low-level call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
           * `errorMessage` as a fallback revert reason when `target` reverts.
           *
           * _Available since v3.1._
           */
          function functionCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal returns (bytes memory) {
              return functionCallWithValue(target, data, 0, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but also transferring `value` wei to `target`.
           *
           * Requirements:
           *
           * - the calling contract must have an ETH balance of at least `value`.
           * - the called Solidity function must be `payable`.
           *
           * _Available since v3.1._
           */
          function functionCallWithValue(
              address target,
              bytes memory data,
              uint256 value
          ) internal returns (bytes memory) {
              return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
          }
          /**
           * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
           * with `errorMessage` as a fallback revert reason when `target` reverts.
           *
           * _Available since v3.1._
           */
          function functionCallWithValue(
              address target,
              bytes memory data,
              uint256 value,
              string memory errorMessage
          ) internal returns (bytes memory) {
              require(address(this).balance >= value, "Address: insufficient balance for call");
              require(isContract(target), "Address: call to non-contract");
              (bool success, bytes memory returndata) = target.call{value: value}(data);
              return _verifyCallResult(success, returndata, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but performing a static call.
           *
           * _Available since v3.3._
           */
          function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
              return functionStaticCall(target, data, "Address: low-level static call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
           * but performing a static call.
           *
           * _Available since v3.3._
           */
          function functionStaticCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal view returns (bytes memory) {
              require(isContract(target), "Address: static call to non-contract");
              (bool success, bytes memory returndata) = target.staticcall(data);
              return _verifyCallResult(success, returndata, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but performing a delegate call.
           *
           * _Available since v3.4._
           */
          function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
              return functionDelegateCall(target, data, "Address: low-level delegate call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
           * but performing a delegate call.
           *
           * _Available since v3.4._
           */
          function functionDelegateCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal returns (bytes memory) {
              require(isContract(target), "Address: delegate call to non-contract");
              (bool success, bytes memory returndata) = target.delegatecall(data);
              return _verifyCallResult(success, returndata, errorMessage);
          }
          function _verifyCallResult(
              bool success,
              bytes memory returndata,
              string memory errorMessage
          ) private pure returns (bytes memory) {
              if (success) {
                  return returndata;
              } else {
                  // Look for revert reason and bubble it up if present
                  if (returndata.length > 0) {
                      // The easiest way to bubble the revert reason is using memory via assembly
                      assembly {
                          let returndata_size := mload(returndata)
                          revert(add(32, returndata), returndata_size)
                      }
                  } else {
                      revert(errorMessage);
                  }
              }
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /*
       * @dev Provides information about the current execution context, including the
       * sender of the transaction and its data. While these are generally available
       * via msg.sender and msg.data, they should not be accessed in such a direct
       * manner, since when dealing with meta-transactions the account sending and
       * paying for execution may not be the actual sender (as far as an application
       * is concerned).
       *
       * This contract is only required for intermediate, library-like contracts.
       */
      abstract contract Context {
          function _msgSender() internal view virtual returns (address) {
              return msg.sender;
          }
          function _msgData() internal view virtual returns (bytes calldata) {
              return msg.data;
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      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() {
              _setOwner(_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 {
              _setOwner(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");
              _setOwner(newOwner);
          }
          function _setOwner(address newOwner) private {
              address oldOwner = _owner;
              _owner = newOwner;
              emit OwnershipTransferred(oldOwner, newOwner);
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
      import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "../../core/IERC721CreatorCore.sol";
      import "./IERC721CreatorMintPermissions.sol";
      /**
       * @dev Basic implementation of a permission contract that works with a singular creator contract.
       * approveMint requires the sender to be the configured creator.
       */
      abstract contract ERC721CreatorMintPermissions is ERC165, AdminControl, IERC721CreatorMintPermissions {
           address internal immutable _creator;
           constructor(address creator_) {
               require(ERC165Checker.supportsInterface(creator_, type(IERC721CreatorCore).interfaceId), "Must implement IERC721CreatorCore");
               _creator = creator_;
           }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165, AdminControl) returns (bool) {
              return interfaceId == type(IERC721CreatorMintPermissions).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC721CreatorMintPermissions-approve}.
           */
          function approveMint(address, address, uint256) public virtual override {
              require(msg.sender == _creator, "Can only be called by token creator");
          }
           
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
      /**
       * @dev Provides functions to set token uri's
       */
      interface ICreatorExtensionBasic is IERC165 {
          /**
           * @dev set the baseTokenURI of tokens generated by this extension.  Can only be called by admins.
           */
          function setBaseTokenURI(address creator, string calldata uri) external;
          /**
           * @dev set the baseTokenURI of tokens generated by this extension.  Can only be called by admins.
           */
          function setBaseTokenURI(address creator, string calldata uri, bool identical) external;
          /**
           * @dev set the tokenURI of a token generated by this extension.  Can only be called by admins.
           */
          function setTokenURI(address creator, uint256 tokenId, string calldata uri) external;
          /**
           * @dev set the tokenURI of multiple tokens generated by this extension.  Can only be called by admins.
           */
          function setTokenURI(address creator, uint256[] calldata tokenId, string[] calldata uri) external;
          /**
           * @dev set the extension's token uri prefix
           */
          function setTokenURIPrefix(address creator, string calldata prefix) external;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "../core/ICreatorCore.sol";
      import "./ICreatorExtensionBasic.sol";
      import "./CreatorExtension.sol";
      /**
       * @dev Provides functions to set token uri's
       */
      abstract contract CreatorExtensionBasic is AdminControl, CreatorExtension, ICreatorExtensionBasic {
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(AdminControl, CreatorExtension, IERC165) returns (bool) {
              return interfaceId == type(ICreatorExtensionBasic).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {ICreatorExtensionBasic-setBaseTokenURI}.
           */
          function setBaseTokenURI(address creator, string calldata uri) external override adminRequired {
              require(ERC165Checker.supportsInterface(creator, type(ICreatorCore).interfaceId), "Requires creator to implement ICreatorCore");
              ICreatorCore(creator).setBaseTokenURIExtension(uri);
          }
          /**
           * @dev See {ICreatorExtensionBasic-setBaseTokenURI}.
           */
          function setBaseTokenURI(address creator, string calldata uri, bool identical) external override adminRequired {
              require(ERC165Checker.supportsInterface(creator, type(ICreatorCore).interfaceId), "Requires creator to implement CreatorCore");
              ICreatorCore(creator).setBaseTokenURIExtension(uri, identical);
          }
          /**
           * @dev See {ICreatorExtensionBasic-setTokenURI}.
           */
          function setTokenURI(address creator, uint256 tokenId, string calldata uri) external override adminRequired {
              require(ERC165Checker.supportsInterface(creator, type(ICreatorCore).interfaceId), "Requires creator to implement CreatorCore");
              ICreatorCore(creator).setTokenURIExtension(tokenId, uri);
          }
          /**
           * @dev See {ICreatorExtensionBasic-setTokenURI}.
           */
          function setTokenURI(address creator, uint256[] calldata tokenIds, string[] calldata uris) external override adminRequired {
              require(ERC165Checker.supportsInterface(creator, type(ICreatorCore).interfaceId), "Requires creator to implement CreatorCore");
              ICreatorCore(creator).setTokenURIExtension(tokenIds, uris);
          }
          /**
           * @dev See {ICreatorExtensionBasic-setTokenURIPrefix}.
           */
          function setTokenURIPrefix(address creator, string calldata prefix) external override adminRequired {
              require(ERC165Checker.supportsInterface(creator, type(ICreatorCore).interfaceId), "Requires creator to implement CreatorCore");
              ICreatorCore(creator).setTokenURIPrefixExtension(prefix);
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
      /**
       * @dev Base creator extension variables
       */
      abstract contract CreatorExtension is ERC165 {
          /**
           * @dev Legacy extension interface identifiers
           *
           * {IERC165-supportsInterface} needs to return 'true' for this interface
           * in order backwards compatible with older creator contracts
           */
          bytes4 constant internal LEGACY_EXTENSION_INTERFACE = 0x7005caad;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165) returns (bool) {
              return interfaceId == LEGACY_EXTENSION_INTERFACE
                  || super.supportsInterface(interfaceId);
          }
          
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../extensions/ERC721/ERC721CreatorExtensionBurnable.sol";
      import "../extensions/CreatorExtensionBasic.sol";
      contract MockERC721CreatorExtensionBurnable is CreatorExtensionBasic, ERC721CreatorExtensionBurnable {
          uint256 [] _mintedTokens;
          uint256 [] _burntTokens;
          address _creator;
          
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(CreatorExtensionBasic, ERC721CreatorExtensionBurnable) returns (bool) {
              return CreatorExtensionBasic.supportsInterface(interfaceId) || ERC721CreatorExtensionBurnable.supportsInterface(interfaceId);
          }
          constructor(address creator) {
              _creator = creator;
          }
          function testMint(address to) external {
              _mintedTokens.push(_mint(_creator, to));
          }
          function testMint(address to, string calldata uri) external {
              _mintedTokens.push(_mint(_creator, to, uri));
          }
          function testMintBatch(address to, uint16 count) external {
              uint256[] memory tokenIds = _mintBatch(_creator, to, count);
              for (uint i = 0; i < tokenIds.length; i++) {
                  _mintedTokens.push(tokenIds[i]);
              }
          }
          function testMintBatch(address to, string[] calldata uris) external {
              uint256[] memory tokenIds = _mintBatch(_creator, to, uris);
              for (uint i = 0; i < tokenIds.length; i++) {
                  _mintedTokens.push(tokenIds[i]);
              }
          }
          function mintedTokens() external view returns(uint256[] memory) {
              return _mintedTokens;
          }
          function burntTokens() external view returns(uint256[] memory) {
              return _burntTokens;
          }
          function onBurn(address to, uint256 tokenId) public override {
              ERC721CreatorExtensionBurnable.onBurn(to, tokenId);
              _burntTokens.push(tokenId);
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "../../core/IERC721CreatorCore.sol";
      import "./ERC721CreatorExtension.sol";
      import "./IERC721CreatorExtensionBurnable.sol";
      /**
       * @dev Suggested implementation for extensions that want to receive onBurn callbacks
       * Mint tracks the creators/tokens created, and onBurn only accepts callbacks from
       * the creator of a token created.
       */
      abstract contract ERC721CreatorExtensionBurnable is AdminControl, ERC721CreatorExtension, IERC721CreatorExtensionBurnable {
          mapping (uint256 => address) private _tokenCreators;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(AdminControl, CreatorExtension, IERC165) returns (bool) {
              return interfaceId == LEGACY_ERC721_EXTENSION_BURNABLE_INTERFACE
                  || interfaceId == type(IERC721CreatorExtensionBurnable).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev mint a token
           */
          function mint(address creator, address to) external adminRequired returns (uint256) {
              return _mint(creator, to);
          }
          /**
           * @dev batch mint a token
           */
          function mintBatch(address creator, address to, uint16 count) external adminRequired returns (uint256[] memory) {
              return _mintBatch(creator, to, count);
          }
          function _mint(address creator, address to) internal returns (uint256) {
              require(ERC165Checker.supportsInterface(creator, type(IERC721CreatorCore).interfaceId), "creator must implement IERC721CreatorCore");
              uint256 tokenId = IERC721CreatorCore(creator).mintExtension(to);
              _tokenCreators[tokenId] = creator;
              return tokenId;
          }
          function _mint(address creator, address to, string memory uri) internal returns (uint256) {
              require(ERC165Checker.supportsInterface(creator, type(IERC721CreatorCore).interfaceId), "creator must implement IERC721CreatorCore");
              uint256 tokenId = IERC721CreatorCore(creator).mintExtension(to, uri);
              _tokenCreators[tokenId] = creator;
              return tokenId;
          }
          function _mintBatch(address creator, address to, uint16 count) internal returns (uint256[] memory tokenIds) {
              require(ERC165Checker.supportsInterface(creator, type(IERC721CreatorCore).interfaceId), "creator must implement IERC721CreatorCore");
              tokenIds = IERC721CreatorCore(creator).mintExtensionBatch(to, count);
              for (uint16 i = 0; i < tokenIds.length; i++) {
                  _tokenCreators[tokenIds[i]] = creator;
              }
              return tokenIds;
          }
          function _mintBatch(address creator, address to, string[] memory uris) internal returns (uint256[] memory tokenIds) {
              require(ERC165Checker.supportsInterface(creator, type(IERC721CreatorCore).interfaceId), "creator must implement IERC721CreatorCore");
              tokenIds = IERC721CreatorCore(creator).mintExtensionBatch(to, uris);
              for (uint16 i = 0; i < tokenIds.length; i++) {
                  _tokenCreators[tokenIds[i]] = creator;
              }
              return tokenIds;
          }
          /**
           * @dev See {IERC721CreatorExtension-onBurn}.
           */
          function onBurn(address, uint256 tokenId) public virtual override {
              require(_tokenCreators[tokenId] == msg.sender, "Can only be called by token creator");
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "../CreatorExtension.sol";
      /**
       * @dev Base ERC721 creator extension variables
       */
      abstract contract ERC721CreatorExtension is CreatorExtension {
          /**
           * @dev Legacy extension interface identifiers (see CreatorExtension for more)
           *
           * {IERC165-supportsInterface} needs to return 'true' for this interface
           * in order backwards compatible with older creator contracts
           */
          // Required to be recognized as a contract to receive onBurn for older creator contracts
          bytes4 constant internal LEGACY_ERC721_EXTENSION_BURNABLE_INTERFACE = 0xf3f4e68b;
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "../../core/IERC721CreatorCore.sol";
      import "./ERC721CreatorExtension.sol";
      import "./IERC721CreatorExtensionApproveTransfer.sol";
      /**
       * @dev Suggested implementation for extensions that require the creator to
       * check with it before a transfer occurs
       */
      abstract contract ERC721CreatorExtensionApproveTransfer is AdminControl, ERC721CreatorExtension, IERC721CreatorExtensionApproveTransfer {
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(AdminControl, CreatorExtension, IERC165) returns (bool) {
              return interfaceId == type(IERC721CreatorExtensionApproveTransfer).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC721CreatorExtensionApproveTransfer-setApproveTransfer}
           */
          function setApproveTransfer(address creator, bool enabled) external override adminRequired {
              require(ERC165Checker.supportsInterface(creator, type(IERC721CreatorCore).interfaceId), "creator must implement IERC721CreatorCore");
              IERC721CreatorCore(creator).setApproveTransferExtension(enabled);
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../core/IERC721CreatorCore.sol";
      import "../extensions/ERC721/ERC721CreatorExtensionApproveTransfer.sol";
      import "../extensions/ICreatorExtensionTokenURI.sol";
      contract MockERC721CreatorExtensionOverride is ERC721CreatorExtensionApproveTransfer, ICreatorExtensionTokenURI {
          bool _approveEnabled;
          string _tokenURI;
          address _creator;
          constructor(address creator) {
              _creator = creator;
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721CreatorExtensionApproveTransfer, IERC165) returns (bool) {
              return interfaceId == type(ICreatorExtensionTokenURI).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          function testMint(address to) external {
              IERC721CreatorCore(_creator).mintExtension(to);
          }
          function setApproveEnabled(bool enabled) public {
              _approveEnabled = enabled;
          }
          function setTokenURI(string calldata uri) public {
              _tokenURI = uri;
          }
          function approveTransfer(address, address, uint256) external view virtual override returns (bool) {
              return _approveEnabled;
          }
          function tokenURI(address creator, uint256) external view virtual override returns (string memory) {
              require(creator == _creator, "Invalid");
              return _tokenURI;
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../core/IERC1155CreatorCore.sol";
      import "../extensions/ERC1155/ERC1155CreatorExtensionApproveTransfer.sol";
      import "../extensions/ICreatorExtensionTokenURI.sol";
      contract MockERC1155CreatorExtensionOverride is ERC1155CreatorExtensionApproveTransfer, ICreatorExtensionTokenURI {
          bool _approveEnabled;
          string _tokenURI;
          address _creator;
          constructor(address creator) {
              _creator = creator;
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155CreatorExtensionApproveTransfer, IERC165) returns (bool) {
              return interfaceId == type(ICreatorExtensionTokenURI).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          function testMintNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external {
              IERC1155CreatorCore(_creator).mintExtensionNew(to, amounts, uris);
          }
          function setApproveEnabled(bool enabled) public {
              _approveEnabled = enabled;
          }
          function setTokenURI(string calldata uri) public {
              _tokenURI = uri;
          }
          function approveTransfer(address, address, uint256[] calldata, uint256[] calldata) external view virtual override returns (bool) {
             return _approveEnabled;
          }
          function tokenURI(address creator, uint256) external view virtual override returns (string memory) {
              require(creator == _creator, "Invalid");
              return _tokenURI;
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "../../core/IERC1155CreatorCore.sol";
      import "./IERC1155CreatorExtensionApproveTransfer.sol";
      /**
       * @dev Suggested implementation for extensions that require the creator to
       * check with it before a transfer occurs
       */
      abstract contract ERC1155CreatorExtensionApproveTransfer is AdminControl, IERC1155CreatorExtensionApproveTransfer {
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(AdminControl, IERC165) returns (bool) {
              return interfaceId == type(IERC1155CreatorExtensionApproveTransfer).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC1155CreatorExtensionApproveTransfer-setApproveTransfer}
           */
          function setApproveTransfer(address creator, bool enabled) external override adminRequired {
              require(ERC165Checker.supportsInterface(creator, type(IERC1155CreatorCore).interfaceId), "creator must implement IERC1155CreatorCore");
              IERC1155CreatorCore(creator).setApproveTransferExtension(enabled);
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
      import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "../../core/IERC1155CreatorCore.sol";
      import "./IERC1155CreatorMintPermissions.sol";
      /**
       * @dev Basic implementation of a permission contract that works with a singular creator contract.
       * approveMint requires the sender to be the configured creator.
       */
      abstract contract ERC1155CreatorMintPermissions is ERC165, AdminControl, IERC1155CreatorMintPermissions {
           address internal immutable _creator;
           constructor(address creator_) {
               require(ERC165Checker.supportsInterface(creator_, type(IERC1155CreatorCore).interfaceId), "Must implement IERC1155CreatorCore");
               _creator = creator_;
           }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165, AdminControl) returns (bool) {
              return interfaceId == type(IERC1155CreatorMintPermissions).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC1155CreatorMintPermissions-approve}.
           */
          function approveMint(address, address[] calldata, uint256[] calldata, uint256[] calldata)  public virtual override {
              require(msg.sender == _creator, "Can only be called by token creator");
          }
           
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "../../core/IERC1155CreatorCore.sol";
      import "./IERC1155CreatorExtensionBurnable.sol";
      /**
       * @dev Suggested implementation for extensions that want to receive onBurn callbacks
       * Mint tracks the creators/tokens created, and onBurn only accepts callbacks from
       * the creator of a token created.
       */
      abstract contract ERC1155CreatorExtensionBurnable is AdminControl, IERC1155CreatorExtensionBurnable {
          mapping (uint256 => address) private _tokenCreators;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(AdminControl, IERC165) returns (bool) {
              return interfaceId == type(IERC1155CreatorExtensionBurnable).interfaceId
                  || super.supportsInterface(interfaceId);
          }
          /**
           * @dev batch mint a token
           */
          function mintNew(address creator, address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external adminRequired returns (uint256[] memory) {
              return _mintNew(creator, to, amounts, uris);
          }
          function _mintNew(address creator, address[] calldata to, uint256[] calldata amounts, string[] calldata uris) internal returns (uint256[] memory tokenIds) {
              require(ERC165Checker.supportsInterface(creator, type(IERC1155CreatorCore).interfaceId), "creator must implement IERC1155CreatorCore");
              tokenIds = IERC1155CreatorCore(creator).mintExtensionNew(to, amounts, uris);
              for (uint256 i = 0; i < tokenIds.length; i++) {
                  _tokenCreators[tokenIds[i]] = creator;
              }
              return tokenIds;
          }
          /**
           * @dev See {IERC1155CreatorExtension-onBurn}.
           */
          function onBurn(address, uint256[] calldata tokenIds, uint256[] calldata) public virtual override {
              for (uint256 i = 0; i < tokenIds.length; i++) {
                  require(_tokenCreators[tokenIds[i]] == msg.sender, "Can only be called by token creator");
              }
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../extensions/ERC1155/ERC1155CreatorExtensionBurnable.sol";
      import "../extensions/CreatorExtensionBasic.sol";
      contract MockERC1155CreatorExtensionBurnable is CreatorExtensionBasic, ERC1155CreatorExtensionBurnable {
          uint256 [] _mintedTokens;
          mapping(uint256 => uint256) _burntTokens;
          address _creator;
          
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(CreatorExtensionBasic, ERC1155CreatorExtensionBurnable) returns (bool) {
              return CreatorExtensionBasic.supportsInterface(interfaceId) || ERC1155CreatorExtensionBurnable.supportsInterface(interfaceId);
          }
          constructor(address creator) {
              _creator = creator;
          }
          function testMintNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external {
              uint256[] memory tokenIds = _mintNew(_creator, to, amounts, uris);
              for (uint i = 0; i < tokenIds.length; i++) {
                  _mintedTokens.push(tokenIds[i]);
              }
          }
          function testMintExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external {
              IERC1155CreatorCore(_creator).mintExtensionExisting(to, tokenIds, amounts);
          }
          function mintedTokens() external view returns(uint256[] memory) {
              return _mintedTokens;
          }
          function burntTokens(uint256 tokenId) external view returns(uint256) {
              return _burntTokens[tokenId];
          }
          function onBurn(address to, uint256[] calldata tokenIds, uint256[] calldata amounts) public override {
              ERC1155CreatorExtensionBurnable.onBurn(to, tokenIds, amounts);
              for (uint i = 0; i < tokenIds.length; i++) {
                  _burntTokens[tokenIds[i]] += amounts[i];
              }
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "./IERC721.sol";
      import "./IERC721Receiver.sol";
      import "./extensions/IERC721Metadata.sol";
      import "../../utils/Address.sol";
      import "../../utils/Context.sol";
      import "../../utils/Strings.sol";
      import "../../utils/introspection/ERC165.sol";
      /**
       * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
       * the Metadata extension, but not including the Enumerable extension, which is available separately as
       * {ERC721Enumerable}.
       */
      contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
          using Address for address;
          using Strings for uint256;
          // Token name
          string private _name;
          // Token symbol
          string private _symbol;
          // Mapping from token ID to owner address
          mapping(uint256 => address) private _owners;
          // Mapping owner address to token count
          mapping(address => uint256) private _balances;
          // Mapping from token ID to approved address
          mapping(uint256 => address) private _tokenApprovals;
          // Mapping from owner to operator approvals
          mapping(address => mapping(address => bool)) private _operatorApprovals;
          /**
           * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
           */
          constructor(string memory name_, string memory symbol_) {
              _name = name_;
              _symbol = symbol_;
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
              return
                  interfaceId == type(IERC721).interfaceId ||
                  interfaceId == type(IERC721Metadata).interfaceId ||
                  super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC721-balanceOf}.
           */
          function balanceOf(address owner) public view virtual override returns (uint256) {
              require(owner != address(0), "ERC721: balance query for the zero address");
              return _balances[owner];
          }
          /**
           * @dev See {IERC721-ownerOf}.
           */
          function ownerOf(uint256 tokenId) public view virtual override returns (address) {
              address owner = _owners[tokenId];
              require(owner != address(0), "ERC721: owner query for nonexistent token");
              return owner;
          }
          /**
           * @dev See {IERC721Metadata-name}.
           */
          function name() public view virtual override returns (string memory) {
              return _name;
          }
          /**
           * @dev See {IERC721Metadata-symbol}.
           */
          function symbol() public view virtual override returns (string memory) {
              return _symbol;
          }
          /**
           * @dev See {IERC721Metadata-tokenURI}.
           */
          function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
              require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
              string memory baseURI = _baseURI();
              return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
          }
          /**
           * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
           * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
           * by default, can be overriden in child contracts.
           */
          function _baseURI() internal view virtual returns (string memory) {
              return "";
          }
          /**
           * @dev See {IERC721-approve}.
           */
          function approve(address to, uint256 tokenId) public virtual override {
              address owner = ERC721.ownerOf(tokenId);
              require(to != owner, "ERC721: approval to current owner");
              require(
                  _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
                  "ERC721: approve caller is not owner nor approved for all"
              );
              _approve(to, tokenId);
          }
          /**
           * @dev See {IERC721-getApproved}.
           */
          function getApproved(uint256 tokenId) public view virtual override returns (address) {
              require(_exists(tokenId), "ERC721: approved query for nonexistent token");
              return _tokenApprovals[tokenId];
          }
          /**
           * @dev See {IERC721-setApprovalForAll}.
           */
          function setApprovalForAll(address operator, bool approved) public virtual override {
              require(operator != _msgSender(), "ERC721: approve to caller");
              _operatorApprovals[_msgSender()][operator] = approved;
              emit ApprovalForAll(_msgSender(), operator, approved);
          }
          /**
           * @dev See {IERC721-isApprovedForAll}.
           */
          function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
              return _operatorApprovals[owner][operator];
          }
          /**
           * @dev See {IERC721-transferFrom}.
           */
          function transferFrom(
              address from,
              address to,
              uint256 tokenId
          ) public virtual override {
              //solhint-disable-next-line max-line-length
              require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
              _transfer(from, to, tokenId);
          }
          /**
           * @dev See {IERC721-safeTransferFrom}.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 tokenId
          ) public virtual override {
              safeTransferFrom(from, to, tokenId, "");
          }
          /**
           * @dev See {IERC721-safeTransferFrom}.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 tokenId,
              bytes memory _data
          ) public virtual override {
              require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
              _safeTransfer(from, to, tokenId, _data);
          }
          /**
           * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
           * are aware of the ERC721 protocol to prevent tokens from being forever locked.
           *
           * `_data` is additional data, it has no specified format and it is sent in call to `to`.
           *
           * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
           * implement alternative mechanisms to perform token transfer, such as signature-based.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           * - `tokenId` token must exist and be owned by `from`.
           * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
           *
           * Emits a {Transfer} event.
           */
          function _safeTransfer(
              address from,
              address to,
              uint256 tokenId,
              bytes memory _data
          ) internal virtual {
              _transfer(from, to, tokenId);
              require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
          }
          /**
           * @dev Returns whether `tokenId` exists.
           *
           * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
           *
           * Tokens start existing when they are minted (`_mint`),
           * and stop existing when they are burned (`_burn`).
           */
          function _exists(uint256 tokenId) internal view virtual returns (bool) {
              return _owners[tokenId] != address(0);
          }
          /**
           * @dev Returns whether `spender` is allowed to manage `tokenId`.
           *
           * Requirements:
           *
           * - `tokenId` must exist.
           */
          function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
              require(_exists(tokenId), "ERC721: operator query for nonexistent token");
              address owner = ERC721.ownerOf(tokenId);
              return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
          }
          /**
           * @dev Safely mints `tokenId` and transfers it to `to`.
           *
           * Requirements:
           *
           * - `tokenId` must not exist.
           * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
           *
           * Emits a {Transfer} event.
           */
          function _safeMint(address to, uint256 tokenId) internal virtual {
              _safeMint(to, tokenId, "");
          }
          /**
           * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
           * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
           */
          function _safeMint(
              address to,
              uint256 tokenId,
              bytes memory _data
          ) internal virtual {
              _mint(to, tokenId);
              require(
                  _checkOnERC721Received(address(0), to, tokenId, _data),
                  "ERC721: transfer to non ERC721Receiver implementer"
              );
          }
          /**
           * @dev Mints `tokenId` and transfers it to `to`.
           *
           * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
           *
           * Requirements:
           *
           * - `tokenId` must not exist.
           * - `to` cannot be the zero address.
           *
           * Emits a {Transfer} event.
           */
          function _mint(address to, uint256 tokenId) internal virtual {
              require(to != address(0), "ERC721: mint to the zero address");
              require(!_exists(tokenId), "ERC721: token already minted");
              _beforeTokenTransfer(address(0), to, tokenId);
              _balances[to] += 1;
              _owners[tokenId] = to;
              emit Transfer(address(0), to, tokenId);
          }
          /**
           * @dev Destroys `tokenId`.
           * The approval is cleared when the token is burned.
           *
           * Requirements:
           *
           * - `tokenId` must exist.
           *
           * Emits a {Transfer} event.
           */
          function _burn(uint256 tokenId) internal virtual {
              address owner = ERC721.ownerOf(tokenId);
              _beforeTokenTransfer(owner, address(0), tokenId);
              // Clear approvals
              _approve(address(0), tokenId);
              _balances[owner] -= 1;
              delete _owners[tokenId];
              emit Transfer(owner, address(0), tokenId);
          }
          /**
           * @dev Transfers `tokenId` from `from` to `to`.
           *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
           *
           * Requirements:
           *
           * - `to` cannot be the zero address.
           * - `tokenId` token must be owned by `from`.
           *
           * Emits a {Transfer} event.
           */
          function _transfer(
              address from,
              address to,
              uint256 tokenId
          ) internal virtual {
              require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
              require(to != address(0), "ERC721: transfer to the zero address");
              _beforeTokenTransfer(from, to, tokenId);
              // Clear approvals from the previous owner
              _approve(address(0), tokenId);
              _balances[from] -= 1;
              _balances[to] += 1;
              _owners[tokenId] = to;
              emit Transfer(from, to, tokenId);
          }
          /**
           * @dev Approve `to` to operate on `tokenId`
           *
           * Emits a {Approval} event.
           */
          function _approve(address to, uint256 tokenId) internal virtual {
              _tokenApprovals[tokenId] = to;
              emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
          }
          /**
           * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
           * The call is not executed if the target address is not a contract.
           *
           * @param from address representing the previous owner of the given token ID
           * @param to target address that will receive the tokens
           * @param tokenId uint256 ID of the token to be transferred
           * @param _data bytes optional data to send along with the call
           * @return bool whether the call correctly returned the expected magic value
           */
          function _checkOnERC721Received(
              address from,
              address to,
              uint256 tokenId,
              bytes memory _data
          ) private returns (bool) {
              if (to.isContract()) {
                  try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                      return retval == IERC721Receiver(to).onERC721Received.selector;
                  } catch (bytes memory reason) {
                      if (reason.length == 0) {
                          revert("ERC721: transfer to non ERC721Receiver implementer");
                      } else {
                          assembly {
                              revert(add(32, reason), mload(reason))
                          }
                      }
                  }
              } else {
                  return true;
              }
          }
          /**
           * @dev Hook that is called before any token transfer. This includes minting
           * and burning.
           *
           * Calling conditions:
           *
           * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
           * transferred to `to`.
           * - When `from` is zero, `tokenId` will be minted for `to`.
           * - When `to` is zero, ``from``'s `tokenId` will be burned.
           * - `from` and `to` are never both zero.
           *
           * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
           */
          function _beforeTokenTransfer(
              address from,
              address to,
              uint256 tokenId
          ) internal virtual {}
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../../utils/introspection/IERC165.sol";
      /**
       * @dev Required interface of an ERC721 compliant contract.
       */
      interface IERC721 is IERC165 {
          /**
           * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
           */
          event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
          /**
           * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
           */
          event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
          /**
           * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
           */
          event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
          /**
           * @dev Returns the number of tokens in ``owner``'s account.
           */
          function balanceOf(address owner) external view returns (uint256 balance);
          /**
           * @dev Returns the owner of the `tokenId` token.
           *
           * Requirements:
           *
           * - `tokenId` must exist.
           */
          function ownerOf(uint256 tokenId) external view returns (address owner);
          /**
           * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
           * are aware of the ERC721 protocol to prevent tokens from being forever locked.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           * - `tokenId` token must exist and be owned by `from`.
           * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
           * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
           *
           * Emits a {Transfer} event.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 tokenId
          ) external;
          /**
           * @dev Transfers `tokenId` token from `from` to `to`.
           *
           * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           * - `tokenId` token must be owned by `from`.
           * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
           *
           * Emits a {Transfer} event.
           */
          function transferFrom(
              address from,
              address to,
              uint256 tokenId
          ) external;
          /**
           * @dev Gives permission to `to` to transfer `tokenId` token to another account.
           * The approval is cleared when the token is transferred.
           *
           * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
           *
           * Requirements:
           *
           * - The caller must own the token or be an approved operator.
           * - `tokenId` must exist.
           *
           * Emits an {Approval} event.
           */
          function approve(address to, uint256 tokenId) external;
          /**
           * @dev Returns the account approved for `tokenId` token.
           *
           * Requirements:
           *
           * - `tokenId` must exist.
           */
          function getApproved(uint256 tokenId) external view returns (address operator);
          /**
           * @dev Approve or remove `operator` as an operator for the caller.
           * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
           *
           * Requirements:
           *
           * - The `operator` cannot be the caller.
           *
           * Emits an {ApprovalForAll} event.
           */
          function setApprovalForAll(address operator, bool _approved) external;
          /**
           * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
           *
           * See {setApprovalForAll}
           */
          function isApprovedForAll(address owner, address operator) external view returns (bool);
          /**
           * @dev Safely transfers `tokenId` token from `from` to `to`.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           * - `tokenId` token must exist and be owned by `from`.
           * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
           * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
           *
           * Emits a {Transfer} event.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 tokenId,
              bytes calldata data
          ) external;
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /**
       * @title ERC721 token receiver interface
       * @dev Interface for any contract that wants to support safeTransfers
       * from ERC721 asset contracts.
       */
      interface IERC721Receiver {
          /**
           * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
           * by `operator` from `from`, this function is called.
           *
           * It must return its Solidity selector to confirm the token transfer.
           * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
           *
           * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
           */
          function onERC721Received(
              address operator,
              address from,
              uint256 tokenId,
              bytes calldata data
          ) external returns (bytes4);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../IERC721.sol";
      /**
       * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
       * @dev See https://eips.ethereum.org/EIPS/eip-721
       */
      interface IERC721Metadata is IERC721 {
          /**
           * @dev Returns the token collection name.
           */
          function name() external view returns (string memory);
          /**
           * @dev Returns the token collection symbol.
           */
          function symbol() external view returns (string memory);
          /**
           * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
           */
          function tokenURI(uint256 tokenId) external view returns (string memory);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
      contract MockERC721 is ERC721 {
          constructor (string memory _name, string memory _symbol) ERC721(_name, _symbol) {
          }
          function testMint(address to, uint256 tokenId) external {
              _mint(to, tokenId);
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../ERC721.sol";
      import "./IERC721Enumerable.sol";
      /**
       * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
       * enumerability of all the token ids in the contract as well as all token ids owned by each
       * account.
       */
      abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
          // Mapping from owner to list of owned token IDs
          mapping(address => mapping(uint256 => uint256)) private _ownedTokens;
          // Mapping from token ID to index of the owner tokens list
          mapping(uint256 => uint256) private _ownedTokensIndex;
          // Array with all token ids, used for enumeration
          uint256[] private _allTokens;
          // Mapping from token id to position in the allTokens array
          mapping(uint256 => uint256) private _allTokensIndex;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
              return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
           */
          function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
              require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
              return _ownedTokens[owner][index];
          }
          /**
           * @dev See {IERC721Enumerable-totalSupply}.
           */
          function totalSupply() public view virtual override returns (uint256) {
              return _allTokens.length;
          }
          /**
           * @dev See {IERC721Enumerable-tokenByIndex}.
           */
          function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
              require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
              return _allTokens[index];
          }
          /**
           * @dev Hook that is called before any token transfer. This includes minting
           * and burning.
           *
           * Calling conditions:
           *
           * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
           * transferred to `to`.
           * - When `from` is zero, `tokenId` will be minted for `to`.
           * - When `to` is zero, ``from``'s `tokenId` will be burned.
           * - `from` cannot be the zero address.
           * - `to` cannot be the zero address.
           *
           * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
           */
          function _beforeTokenTransfer(
              address from,
              address to,
              uint256 tokenId
          ) internal virtual override {
              super._beforeTokenTransfer(from, to, tokenId);
              if (from == address(0)) {
                  _addTokenToAllTokensEnumeration(tokenId);
              } else if (from != to) {
                  _removeTokenFromOwnerEnumeration(from, tokenId);
              }
              if (to == address(0)) {
                  _removeTokenFromAllTokensEnumeration(tokenId);
              } else if (to != from) {
                  _addTokenToOwnerEnumeration(to, tokenId);
              }
          }
          /**
           * @dev Private function to add a token to this extension's ownership-tracking data structures.
           * @param to address representing the new owner of the given token ID
           * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
           */
          function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
              uint256 length = ERC721.balanceOf(to);
              _ownedTokens[to][length] = tokenId;
              _ownedTokensIndex[tokenId] = length;
          }
          /**
           * @dev Private function to add a token to this extension's token tracking data structures.
           * @param tokenId uint256 ID of the token to be added to the tokens list
           */
          function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
              _allTokensIndex[tokenId] = _allTokens.length;
              _allTokens.push(tokenId);
          }
          /**
           * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
           * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
           * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
           * This has O(1) time complexity, but alters the order of the _ownedTokens array.
           * @param from address representing the previous owner of the given token ID
           * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
           */
          function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
              // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
              // then delete the last slot (swap and pop).
              uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
              uint256 tokenIndex = _ownedTokensIndex[tokenId];
              // When the token to delete is the last token, the swap operation is unnecessary
              if (tokenIndex != lastTokenIndex) {
                  uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];
                  _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
                  _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
              }
              // This also deletes the contents at the last position of the array
              delete _ownedTokensIndex[tokenId];
              delete _ownedTokens[from][lastTokenIndex];
          }
          /**
           * @dev Private function to remove a token from this extension's token tracking data structures.
           * This has O(1) time complexity, but alters the order of the _allTokens array.
           * @param tokenId uint256 ID of the token to be removed from the tokens list
           */
          function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
              // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
              // then delete the last slot (swap and pop).
              uint256 lastTokenIndex = _allTokens.length - 1;
              uint256 tokenIndex = _allTokensIndex[tokenId];
              // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
              // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
              // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
              uint256 lastTokenId = _allTokens[lastTokenIndex];
              _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
              _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
              // This also deletes the contents at the last position of the array
              delete _allTokensIndex[tokenId];
              _allTokens.pop();
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../IERC721.sol";
      /**
       * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
       * @dev See https://eips.ethereum.org/EIPS/eip-721
       */
      interface IERC721Enumerable is IERC721 {
          /**
           * @dev Returns the total amount of tokens stored by the contract.
           */
          function totalSupply() external view returns (uint256);
          /**
           * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
           * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
           */
          function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
          /**
           * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
           * Use along with {totalSupply} to enumerate all tokens.
           */
          function tokenByIndex(uint256 index) external view returns (uint256);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
      import "./ERC721Creator.sol";
      import "./core/ERC721CreatorCoreEnumerable.sol";
      /**
       * @dev ERC721Creator implementation (with enumerable api's)
       */
      contract ERC721CreatorEnumerable is ERC721Creator, ERC721CreatorCoreEnumerable, ERC721Enumerable {
          constructor (string memory _name, string memory _symbol) ERC721Creator(_name, _symbol) {
          }
              
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721Creator, ERC721CreatorCoreEnumerable, ERC721Enumerable) returns (bool) {
              return interfaceId == type(IERC721CreatorCoreEnumerable).interfaceId || ERC721Creator.supportsInterface(interfaceId) || ERC721Enumerable.supportsInterface(interfaceId);
          }
          function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override(ERC721Enumerable, ERC721Creator, ERC721CreatorCoreEnumerable) {
              _approveTransfer(from, to, tokenId);
              ERC721Enumerable._beforeTokenTransfer(from, to, tokenId);
          }
          function _postMintBase(address to, uint256 tokenId) internal virtual override(ERC721CreatorCore, ERC721CreatorCoreEnumerable) {
              ERC721CreatorCoreEnumerable._postMintBase(to, tokenId);
          }
          function _postMintExtension(address to, uint256 tokenId) internal virtual override(ERC721CreatorCore, ERC721CreatorCoreEnumerable) {
              ERC721CreatorCoreEnumerable._postMintExtension(to, tokenId);
          }
          function _postBurn(address owner, uint256 tokenId) internal virtual override(ERC721CreatorCore, ERC721CreatorCoreEnumerable) {
              ERC721CreatorCoreEnumerable._postBurn(owner, tokenId);
          }
          function tokenURI(uint256 tokenId) public view virtual override(ERC721Creator, ERC721) returns (string memory) {
              return ERC721Creator.tokenURI(tokenId);
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
      import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
      import "./core/ERC721CreatorCore.sol";
      /**
       * @dev ERC721Creator implementation
       */
      contract ERC721Creator is AdminControl, ERC721, ERC721CreatorCore {
          constructor (string memory _name, string memory _symbol) ERC721(_name, _symbol) {
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, ERC721CreatorCore, AdminControl) returns (bool) {
              return ERC721CreatorCore.supportsInterface(interfaceId) || ERC721.supportsInterface(interfaceId) || AdminControl.supportsInterface(interfaceId);
          }
          function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override {
              _approveTransfer(from, to, tokenId);    
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, false);
          }
          /**
           * @dev See {ICreatorCore-registerExtension}.
           */
          function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external override adminRequired nonBlacklistRequired(extension) {
              _registerExtension(extension, baseURI, baseURIIdentical);
          }
          /**
           * @dev See {ICreatorCore-unregisterExtension}.
           */
          function unregisterExtension(address extension) external override adminRequired {
              _unregisterExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-blacklistExtension}.
           */
          function blacklistExtension(address extension) external override adminRequired {
              _blacklistExtension(extension);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri) external override extensionRequired {
              _setBaseTokenURIExtension(uri, false);
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURIExtension}.
           */
          function setBaseTokenURIExtension(string calldata uri, bool identical) external override extensionRequired {
              _setBaseTokenURIExtension(uri, identical);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefixExtension}.
           */
          function setTokenURIPrefixExtension(string calldata prefix) external override extensionRequired {
              _setTokenURIPrefixExtension(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256 tokenId, string calldata uri) external override extensionRequired {
              _setTokenURIExtension(tokenId, uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIExtension}.
           */
          function setTokenURIExtension(uint256[] memory tokenIds, string[] calldata uris) external override extensionRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURIExtension(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setBaseTokenURI}.
           */
          function setBaseTokenURI(string calldata uri) external override adminRequired {
              _setBaseTokenURI(uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURIPrefix}.
           */
          function setTokenURIPrefix(string calldata prefix) external override adminRequired {
              _setTokenURIPrefix(prefix);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256 tokenId, string calldata uri) external override adminRequired {
              _setTokenURI(tokenId, uri);
          }
          /**
           * @dev See {ICreatorCore-setTokenURI}.
           */
          function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external override adminRequired {
              require(tokenIds.length == uris.length, "Invalid input");
              for (uint i = 0; i < tokenIds.length; i++) {
                  _setTokenURI(tokenIds[i], uris[i]);            
              }
          }
          /**
           * @dev See {ICreatorCore-setMintPermissions}.
           */
          function setMintPermissions(address extension, address permissions) external override adminRequired {
              _setMintPermissions(extension, permissions);
          }
          /**
           * @dev See {IERC721CreatorCore-mintBase}.
           */
          function mintBase(address to) public virtual override nonReentrant adminRequired returns(uint256) {
              return _mintBase(to, "");
          }
          /**
           * @dev See {IERC721CreatorCore-mintBase}.
           */
          function mintBase(address to, string calldata uri) public virtual override nonReentrant adminRequired returns(uint256) {
              return _mintBase(to, uri);
          }
          /**
           * @dev See {IERC721CreatorCore-mintBaseBatch}.
           */
          function mintBaseBatch(address to, uint16 count) public virtual override nonReentrant adminRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](count);
              for (uint16 i = 0; i < count; i++) {
                  tokenIds[i] = _mintBase(to, "");
              }
              return tokenIds;
          }
          /**
           * @dev See {IERC721CreatorCore-mintBaseBatch}.
           */
          function mintBaseBatch(address to, string[] calldata uris) public virtual override nonReentrant adminRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](uris.length);
              for (uint i = 0; i < uris.length; i++) {
                  tokenIds[i] = _mintBase(to, uris[i]);
              }
              return tokenIds;
          }
          /**
           * @dev Mint token with no extension
           */
          function _mintBase(address to, string memory uri) internal virtual returns(uint256 tokenId) {
              _tokenCount++;
              tokenId = _tokenCount;
              // Track the extension that minted the token
              _tokensExtension[tokenId] = address(this);
              _safeMint(to, tokenId);
              if (bytes(uri).length > 0) {
                  _tokenURIs[tokenId] = uri;
              }
              // Call post mint
              _postMintBase(to, tokenId);
              return tokenId;
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtension}.
           */
          function mintExtension(address to) public virtual override nonReentrant extensionRequired returns(uint256) {
              return _mintExtension(to, "");
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtension}.
           */
          function mintExtension(address to, string calldata uri) public virtual override nonReentrant extensionRequired returns(uint256) {
              return _mintExtension(to, uri);
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtensionBatch}.
           */
          function mintExtensionBatch(address to, uint16 count) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](count);
              for (uint16 i = 0; i < count; i++) {
                  tokenIds[i] = _mintExtension(to, "");
              }
              return tokenIds;
          }
          /**
           * @dev See {IERC721CreatorCore-mintExtensionBatch}.
           */
          function mintExtensionBatch(address to, string[] calldata uris) public virtual override nonReentrant extensionRequired returns(uint256[] memory tokenIds) {
              tokenIds = new uint256[](uris.length);
              for (uint i = 0; i < uris.length; i++) {
                  tokenIds[i] = _mintExtension(to, uris[i]);
              }
          }
          
          /**
           * @dev Mint token via extension
           */
          function _mintExtension(address to, string memory uri) internal virtual returns(uint256 tokenId) {
              _tokenCount++;
              tokenId = _tokenCount;
              _checkMintPermissions(to, tokenId);
              // Track the extension that minted the token
              _tokensExtension[tokenId] = msg.sender;
              _safeMint(to, tokenId);
              if (bytes(uri).length > 0) {
                  _tokenURIs[tokenId] = uri;
              }
              
              // Call post mint
              _postMintExtension(to, tokenId);
              return tokenId;
          }
          /**
           * @dev See {IERC721CreatorCore-tokenExtension}.
           */
          function tokenExtension(uint256 tokenId) public view virtual override returns (address) {
              require(_exists(tokenId), "Nonexistent token");
              return _tokenExtension(tokenId);
          }
          /**
           * @dev See {IERC721CreatorCore-burn}.
           */
          function burn(uint256 tokenId) public virtual override nonReentrant {
              require(_isApprovedOrOwner(msg.sender, tokenId), "Caller is not owner nor approved");
              address owner = ownerOf(tokenId);
              _burn(tokenId);
              _postBurn(owner, tokenId);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(address(this), receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyalties}.
           */
          function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              require(_exists(tokenId), "Nonexistent token");
              _setRoyalties(tokenId, receivers, basisPoints);
          }
          /**
           * @dev See {ICreatorCore-setRoyaltiesExtension}.
           */
          function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired {
              _setRoyaltiesExtension(extension, receivers, basisPoints);
          }
          /**
           * @dev {See ICreatorCore-getRoyalties}.
           */
          function getRoyalties(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFees}.
           */
          function getFees(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyalties(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeRecipients}.
           */
          function getFeeRecipients(uint256 tokenId) external view virtual override returns (address payable[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyReceivers(tokenId);
          }
          /**
           * @dev {See ICreatorCore-getFeeBps}.
           */
          function getFeeBps(uint256 tokenId) external view virtual override returns (uint[] memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyBPS(tokenId);
          }
          
          /**
           * @dev {See ICreatorCore-royaltyInfo}.
           */
          function royaltyInfo(uint256 tokenId, uint256 value) external view virtual override returns (address, uint256) {
              require(_exists(tokenId), "Nonexistent token");
              return _getRoyaltyInfo(tokenId, value);
          } 
          /**
           * @dev See {IERC721Metadata-tokenURI}.
           */
          function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
              require(_exists(tokenId), "Nonexistent token");
              return _tokenURI(tokenId);
          }
          
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/utils/Strings.sol";
      import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
      import "./ERC721CreatorCore.sol";
      import "./IERC721CreatorCoreEnumerable.sol";
      /**
       * @dev Core ERC721 creator implementation (with enumerable api's)
       */
      abstract contract ERC721CreatorCoreEnumerable is ERC721CreatorCore, IERC721CreatorCoreEnumerable {
          using Strings for uint256;
          using EnumerableSet for EnumerableSet.AddressSet;
          // For enumerating tokens for a given extension
          mapping (address => uint256) private _extensionBalances;
          mapping (address => mapping(uint256 => uint256)) private _extensionTokens;
          mapping (uint256 => uint256) private _extensionTokensIndex;
          // For enumerating an extension's tokens for an owner
          mapping (address => mapping(address => uint256)) private _extensionBalancesByOwner;
          mapping (address => mapping(address => mapping(uint256 => uint256))) private _extensionTokensByOwner;
          mapping (uint256 => uint256) private _extensionTokensIndexByOwner;
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721CreatorCore, IERC165) returns (bool) {
              return interfaceId == type(IERC721CreatorCoreEnumerable).interfaceId || super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC721CreatorCoreEnumerable-totalSupplyExtension}.
           */
          function totalSupplyExtension(address extension) public view virtual override nonBlacklistRequired(extension) returns (uint256) {
              return _extensionBalances[extension];
          }
          /**
           * @dev See {IERC721CreatorCoreEnumerable-tokenByIndexExtension}.
           */
          function tokenByIndexExtension(address extension, uint256 index) external view virtual override nonBlacklistRequired(extension) returns (uint256) {
              require(index < totalSupplyExtension(extension), "ERC721Creator: Index out of bounds");
              return _extensionTokens[extension][index];
          }
          /**
           * @dev See {IERC721CreatorCoreEnumerable-balanceOfExtension}.
           */
          function balanceOfExtension(address extension, address owner) public view virtual override nonBlacklistRequired(extension) returns (uint256) {
              return _extensionBalancesByOwner[extension][owner];
          }
          /*
           * @dev See {IERC721CeratorCoreEnumerable-tokenOfOwnerByIndexExtension}.
           */
          function tokenOfOwnerByIndexExtension(address extension, address owner, uint256 index) external view virtual override nonBlacklistRequired(extension) returns (uint256) {
              require(index < balanceOfExtension(extension, owner), "ERC721Creator: Index out of bounds");
              return _extensionTokensByOwner[extension][owner][index];
          }
          /**
           * @dev See {IERC721CreatorCoreEnumerable-totalSupplyBase}.
           */
          function totalSupplyBase() public view virtual override returns (uint256) {
              return _extensionBalances[address(this)];
          }
          /**
           * @dev See {IERC721CreatorCoreEnumerable-tokenByIndexBase}.
           */
          function tokenByIndexBase(uint256 index) external view virtual override returns (uint256) {
              require(index < totalSupplyBase(), "ERC721Creator: Index out of bounds");
              return _extensionTokens[address(this)][index];
          }
          /**
           * @dev See {IERC721CreatorCoreEnumerable-balanceOfBase}.
           */
          function balanceOfBase(address owner) public view virtual override returns (uint256) {
              return _extensionBalancesByOwner[address(this)][owner];
          }
          /*
           * @dev See {IERC721CeratorCoreEnumerable-tokenOfOwnerByIndeBase}.
           */
          function tokenOfOwnerByIndexBase(address owner, uint256 index) external view virtual override returns (uint256) {
              require(index < balanceOfBase(owner), "ERC721Creator: Index out of bounds");
              return _extensionTokensByOwner[address(this)][owner][index];
          }
          function _addTokenToOwnerEnumeration(address to, uint256 tokenId, address tokenExtension_) private {
              // Add to extension token tracking by owner
              uint256 lengthByOwner = balanceOfExtension(tokenExtension_, to);
              _extensionTokensByOwner[tokenExtension_][to][lengthByOwner] = tokenId;
              _extensionTokensIndexByOwner[tokenId] = lengthByOwner;
              _extensionBalancesByOwner[tokenExtension_][to] += 1;        
          }
          function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId, address tokenExtension_) private {
              // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
              // then delete the last slot (swap and pop).
              uint256 lastTokenIndexByOwner = balanceOfExtension(tokenExtension_, from) - 1;
              uint256 tokenIndexByOwner = _extensionTokensIndexByOwner[tokenId];
              // When the token to delete is the last token, the swap operation is unnecessary
              if (tokenIndexByOwner != lastTokenIndexByOwner) {
                  uint256 lastTokenIdByOwner = _extensionTokensByOwner[tokenExtension_][from][lastTokenIndexByOwner];
                  _extensionTokensByOwner[tokenExtension_][from][tokenIndexByOwner] = lastTokenIdByOwner; // Move the last token to the slot of the to-delete token
                  _extensionTokensIndexByOwner[lastTokenIdByOwner] = tokenIndexByOwner; // Update the moved token's index
              }
              _extensionBalancesByOwner[tokenExtension_][from] -= 1;
              // This also deletes the contents at the last position of the array
              delete _extensionTokensIndexByOwner[tokenId];
              delete _extensionTokensByOwner[tokenExtension_][from][lastTokenIndexByOwner];
          }
          
          function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual {
              if (from != address(0) && to != address(0)) {
                  address tokenExtension_ = _tokenExtension(tokenId);
                  if (from != to) {
                      _removeTokenFromOwnerEnumeration(from, tokenId, tokenExtension_);
                  }
                  if (to != from) {
                      _addTokenToOwnerEnumeration(to, tokenId, tokenExtension_);
                  }
              }
          }
          function _postMintBase(address to, uint256 tokenId) internal virtual override {
              // Add to extension token tracking
              uint256 length = totalSupplyBase();
              _extensionTokens[address(this)][length] = tokenId;
              _extensionTokensIndex[tokenId] = length;
              _extensionBalances[address(this)] += 1;
              _addTokenToOwnerEnumeration(to, tokenId, address(this));
          }
          function _postMintExtension(address to, uint256 tokenId) internal virtual override {
              // Add to extension token tracking
              uint256 length = totalSupplyExtension(msg.sender);
              _extensionTokens[msg.sender][length] = tokenId;
              _extensionTokensIndex[tokenId] = length;
              _extensionBalances[msg.sender] += 1;
              _addTokenToOwnerEnumeration(to, tokenId, msg.sender);
          }
          
          function _postBurn(address owner, uint256 tokenId) internal override(ERC721CreatorCore) virtual {
              address tokenExtension_ = _tokensExtension[tokenId];
              /*************************************************
               *  START: Remove from extension token tracking
               *************************************************/
              uint256 lastTokenIndex = totalSupplyExtension(tokenExtension_) - 1;
              uint256 tokenIndex = _extensionTokensIndex[tokenId];
              // When the token to delete is the last token, the swap operation is unnecessary
              if (tokenIndex != lastTokenIndex) {
                  uint256 lastTokenId = _extensionTokens[tokenExtension_][lastTokenIndex];
                  _extensionTokens[tokenExtension_][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
                  _extensionTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
              }
              _extensionBalances[tokenExtension_] -= 1;
              // This also deletes the contents at the last position of the array
              delete _extensionTokensIndex[tokenId];
              delete _extensionTokens[tokenExtension_][lastTokenIndex];
              /*************************************************
               * END
               *************************************************/
              /********************************************************
               *  START: Remove from extension token tracking by owner
               ********************************************************/
               _removeTokenFromOwnerEnumeration(owner, tokenId, tokenExtension_);
              /********************************************************
               *  END
               ********************************************************/
               
               ERC721CreatorCore._postBurn(owner, tokenId);
          }
      }// SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "./IERC721CreatorCore.sol";
      /**
       * @dev Core ERC721 creator interface (with enumerable api's)
       */
      interface IERC721CreatorCoreEnumerable is IERC721CreatorCore {
          /*
           * @dev gets the total number of tokens created by the extension (unburned)
           */
          function totalSupplyExtension(address extension) external view returns (uint256);
          /*
           * @dev gets tokenId of an extension by index. 
           * Iterate over this to get the full list of tokens of a given extension
           */
          function tokenByIndexExtension(address extension, uint256 index) external view returns (uint256);
          /*
           * @dev get balance of owner for an extension
           */
         function balanceOfExtension(address extension, address owner) external view returns (uint256 balance);
         /*
          * @dev Returns a token ID owned by `owner` at a given `index` of its token list for a given extension
          */
         function tokenOfOwnerByIndexExtension(address extension, address owner, uint256 index) external view returns (uint256 tokenId);
          /*
           * @dev gets the total number of tokens created with no extension
           */
          function totalSupplyBase() external view returns (uint256);
          /*
           * @dev gets tokenId of the root creator contract by index. 
           * Iterate over this to get the full list of tokens with no extension.
           */
          function tokenByIndexBase(uint256 index) external view returns (uint256);
          /*
           * @dev get balance of owner for tokens with no extension
           */
          function balanceOfBase(address owner) external view returns (uint256 balance);
          /*
           * @dev Returns a token ID owned by `owner` at a given `index` of its token list for tokens with no extension
           */
          function tokenOfOwnerByIndexBase(address owner, uint256 index) external view returns (uint256 tokenId);
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      /// @author: manifold.xyz
      import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
      contract MockERC1155 is ERC1155 {
          constructor (string memory uri_) ERC1155(uri_){
          }
          function testMint(address account, uint256 id, uint256 amount, bytes calldata data) external {
              _mint(account, id, amount, data);
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../permissions/ERC1155/ERC1155CreatorMintPermissions.sol";
      contract MockERC1155CreatorMintPermissions is ERC1155CreatorMintPermissions {
          bool _approveEnabled;
          constructor(address creator_) ERC1155CreatorMintPermissions (creator_) {
              _approveEnabled = true;
          }
          function setApproveEnabled(bool enabled) external {
              _approveEnabled = enabled;
          }
          function approveMint(address extension, address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public override {
              ERC1155CreatorMintPermissions.approveMint(extension, to, tokenIds, amounts);
              require(_approveEnabled, "MockERC1155CreatorMintPermissions: Disabled");
          }
      }
      // SPDX-License-Identifier: MIT
      pragma solidity ^0.8.0;
      import "../permissions/ERC721/ERC721CreatorMintPermissions.sol";
      contract MockERC721CreatorMintPermissions is ERC721CreatorMintPermissions {
          bool _approveEnabled;
          constructor(address creator_) ERC721CreatorMintPermissions (creator_) {
              _approveEnabled = true;
          }
          function setApproveEnabled(bool enabled) external {
              _approveEnabled = enabled;
          }
          function approveMint(address extension, address to, uint256 tokenId) public override {
              ERC721CreatorMintPermissions.approveMint(extension, to, tokenId);
              require(_approveEnabled, "MockERC721CreatorMintPermissions: Disabled");
          }
      }