Source Code
Overview
ETH Balance
1.370325000000000001 ETH
Token Holdings
More Info
ContractCreator
Multichain Info
N/A
Latest 25 from a total of 199 transactions
Transaction Hash |
Method
|
Block
|
From
|
To
|
|||||
---|---|---|---|---|---|---|---|---|---|
Make Bid | 3370725 | 651 days ago | IN | 0.00007 ETH | 0.0001008 | ||||
Make Bid | 3370707 | 651 days ago | IN | 0.00006 ETH | 0.0001008 | ||||
Make Bid | 3370679 | 651 days ago | IN | 0.00005 ETH | 0.00009589 | ||||
Make Bid | 3370621 | 651 days ago | IN | 1 ETH | 0.00009589 | ||||
Make Bid | 3370128 | 651 days ago | IN | 0.00001 ETH | 0.00051308 | ||||
Make Bid | 3369108 | 651 days ago | IN | 0.00012 ETH | 0.00009589 | ||||
Make Bid | 3369103 | 651 days ago | IN | 0.00011 ETH | 0.00012403 | ||||
Make Bid | 3369099 | 651 days ago | IN | 0.0001 ETH | 0.00009589 | ||||
Make Bid | 3369092 | 651 days ago | IN | 0.00009 ETH | 0.00014263 | ||||
Make Bid | 3369088 | 651 days ago | IN | 0.00008 ETH | 0.00009589 | ||||
Make Bid | 3368841 | 651 days ago | IN | 0.00006 ETH | 0.00009589 | ||||
Make Bid | 3368646 | 651 days ago | IN | 0.00005 ETH | 0.00009589 | ||||
Make Bid | 3368638 | 651 days ago | IN | 0.00004 ETH | 0.00009589 | ||||
Make Bid | 3363950 | 652 days ago | IN | 0.00003 ETH | 0.00012403 | ||||
Make Bid | 3363947 | 652 days ago | IN | 0.00002 ETH | 0.00013299 | ||||
Make Bid | 3363150 | 652 days ago | IN | 0.00004 ETH | 0.00007416 | ||||
Make Bid | 3363128 | 652 days ago | IN | 0.00003 ETH | 0.00009589 | ||||
Make Bid | 3363037 | 652 days ago | IN | 0.00002 ETH | 0.00009667 | ||||
Make Bid | 3362847 | 652 days ago | IN | 0.00001 ETH | 0.00051231 | ||||
Create New Nft A... | 3362400 | 652 days ago | IN | 0 ETH | 0.0004943 | ||||
Create New Nft A... | 3362397 | 652 days ago | IN | 0 ETH | 0.00048638 | ||||
Settle Auction | 3361852 | 652 days ago | IN | 0 ETH | 0.00042799 | ||||
Make Bid | 3357162 | 653 days ago | IN | 0.000011 ETH | 0.00013299 | ||||
Make Bid | 3356802 | 653 days ago | IN | 0.00018 ETH | 0.00009589 | ||||
Make Bid | 3356792 | 653 days ago | IN | 0.00017 ETH | 0.00009589 |
Latest 25 internal transactions (View All)
Advanced mode:
Parent Transaction Hash | Block |
From
|
To
|
|||
---|---|---|---|---|---|---|
3370725 | 651 days ago | 0.00006 ETH | ||||
3370707 | 651 days ago | 0.00005 ETH | ||||
3370679 | 651 days ago | 0.00004 ETH | ||||
3370621 | 651 days ago | 0.00012 ETH | ||||
3370128 | 651 days ago | 0.00001 ETH | ||||
3369108 | 651 days ago | 0.00011 ETH | ||||
3369103 | 651 days ago | 0.0001 ETH | ||||
3369099 | 651 days ago | 0.00009 ETH | ||||
3369092 | 651 days ago | 0.00008 ETH | ||||
3369088 | 651 days ago | 0.00006 ETH | ||||
3368841 | 651 days ago | 0.00005 ETH | ||||
3368646 | 651 days ago | 0.00004 ETH | ||||
3368638 | 651 days ago | 0.00003 ETH | ||||
3363950 | 652 days ago | 0.00002 ETH | ||||
3363150 | 652 days ago | 0.00003 ETH | ||||
3363128 | 652 days ago | 0.00002 ETH | ||||
3362847 | 652 days ago | 0.00001 ETH | ||||
3361852 | 652 days ago | 0.024 ETH | ||||
3356802 | 653 days ago | 0.00017 ETH | ||||
3356792 | 653 days ago | 0.00016 ETH | ||||
3356784 | 653 days ago | 0.00015 ETH | ||||
3356773 | 653 days ago | 0.00014 ETH | ||||
3356718 | 653 days ago | 0.00013 ETH | ||||
3356710 | 653 days ago | 0.00012 ETH | ||||
3356698 | 653 days ago | 0.00011 ETH |
Loading...
Loading
Contract Name:
CHARACTER_SHOP
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 10 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
//SPDX-License-Identifier: Unlicense pragma solidity ^0.8.9; import "@openzeppelin/contracts4.8.2/utils/cryptography/MerkleProof.sol"; import "@openzeppelin/contracts4.8.2/access/Ownable.sol"; import "@openzeppelin/contracts4.8.2/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts4.8.2/security/Pausable.sol"; import "./CHARACTER_V1.sol"; /// An Auction Contract for bidding and selling single and batched NFTs contract CHARACTER_SHOP is ReentrancyGuard, Pausable, Ownable { mapping(address => mapping(uint256 => Auction)) public nftContractAuctions; address public feeReceiver; uint256 failedTransferCredits; //Each Auction is unique to each NFT (contract + id pairing). struct Auction { //map token ID to uint32 bidIncreasePercentage; uint32 auctionBidPeriod; //Increments the length of time the auction is open in which a new bid can be made after each bid. uint256 auctionEnd; uint128 minPrice; uint128 buyNowPrice; uint128 nftHighestBid; bytes32 allowListRoot; // using merkletree for whitelist addresses address nftHighestBidder; address nftRecipient; // The bidder can specify a recipient for the NFT if their bid is successful. string tokenURI; bool sold; // if the auction is settled } /* * Default values that are used if not specified by the NFT seller. */ uint32 public defaultBidIncreasePercentage; uint32 public minimumSettableIncreasePercentage; uint32 public maximumMinPricePercentage; uint32 public defaultAuctionBidPeriod; /*╔═════════════════════════════╗ ║ EVENTS ║ ╚═════════════════════════════╝*/ event AuctionCreated( address indexed nftContractAddress, uint256 indexed tokenId, uint128 minPrice, uint128 buyNowPrice, uint32 auctionBidPeriod, uint32 bidIncreasePercentage ); event SaleCreated( address indexed nftContractAddress, uint256 indexed tokenId, uint128 buyNowPrice, address buyer ); event BidMade( address indexed nftContractAddress, uint256 indexed tokenId, address bidder, uint128 ethAmount, uint256 createdAt ); event FailedPayout( address indexed nftContractAddress, uint256 indexed tokenId, address toAddress, uint128 ethAmount ); event AuctionPeriodUpdated( address indexed nftContractAddress, uint256 indexed tokenId, uint256 auctionEndPeriod ); event CharaterMintedAndPaymentPaid( address indexed nftContractAddress, uint256 indexed tokenId, uint128 nftHighestBid, address nftHighestBidder, address nftRecipient ); event AuctionSettled( address indexed nftContractAddress, uint256 indexed tokenId, address auctionSettler ); event AuctionWithdrawn( address indexed nftContractAddress, uint256 indexed tokenId, address nftOwner ); event BidWithdrawn( address indexed nftContractAddress, uint256 indexed tokenId, address highestBidder ); event BuyNowPriceUpdated( address indexed nftContractAddress, uint256 indexed tokenId, uint128 newBuyNowPrice ); event HighestBidTaken( address indexed nftContractAddress, uint256 indexed tokenId ); /**********************************/ /*╔═════════════════════════════╗ ║ END ║ ║ EVENTS ║ ╚═════════════════════════════╝*/ /**********************************/ modifier auctionOngoing(address _nftContractAddress, uint256 _tokenId) { require( _isAuctionOngoing(_nftContractAddress, _tokenId), "Auction has ended" ); _; } /* * The minimum price must be 80% of the buyNowPrice(if set). */ modifier minPriceDoesNotExceedLimit( uint256 _buyNowPrice, uint256 _minPrice ) { require( _buyNowPrice == 0 || _getPortionOfBid(_buyNowPrice, maximumMinPricePercentage) >= _minPrice, "MinPrice > 80% of buyNowPrice" ); _; } /* * The bid amount was either equal the buyNowPrice or it must be higher than the previous * bid by the specified bid increase percentage. */ modifier bidAmountMeetsBidRequirements( address _nftContractAddress, uint256 _tokenId ) { require( _doesBidMeetBidRequirements(_nftContractAddress, _tokenId), "Not enough funds to bid on NFT" ); _; } modifier minimumBidNotMade(address _nftContractAddress, uint256 _tokenId) { require( !_isMinimumBidMade(_nftContractAddress, _tokenId), "The auction has a valid bid made" ); _; } /* * Payment is accepted if the payment is made in ETH specified by the seller. */ modifier paymentAccepted() { require(msg.value != 0, "Bid to be in specified Eth"); _; } modifier isAuctionOver(address _nftContractAddress, uint256 _tokenId) { require( !_isAuctionOngoing(_nftContractAddress, _tokenId), "Auction is not yet over" ); _; } modifier notZeroAddress(address _address) { require(_address != address(0), "Cannot specify 0 address"); _; } modifier increasePercentageAboveMinimum(uint32 _bidIncreasePercentage) { require( _bidIncreasePercentage >= minimumSettableIncreasePercentage, "Bid increase percentage too low" ); _; } modifier isFeePercentagesLessThanMaximum(uint32[] memory _feePercentages) { uint32 totalPercent; for (uint256 i = 0; i < _feePercentages.length; i++) { totalPercent = totalPercent + _feePercentages[i]; } require(totalPercent <= 10000, "Fee percentages exceed maximum"); _; } modifier isNotASale(address _nftContractAddress, uint256 _tokenId) { require( !_isASale(_nftContractAddress, _tokenId), "Not applicable for a sale" ); _; } /**********************************/ /*╔═════════════════════════════╗ ║ END ║ ║ MODIFIERS ║ ╚═════════════════════════════╝*/ constructor(address _feeReceiver) { defaultBidIncreasePercentage = 100; defaultAuctionBidPeriod = 86400; //1 day minimumSettableIncreasePercentage = 100; maximumMinPricePercentage = 8000; feeReceiver = _feeReceiver; } /*╔══════════════════════════════╗ ║ AUCTION CHECK FUNCTIONS ║ ╚══════════════════════════════╝*/ function _isInAllowList( bytes32 merkleRoot, bytes32[] memory merkleProof ) internal view returns (bool) { return MerkleProof.verify(merkleProof, merkleRoot, toBytes32(msg.sender)); } function _isAuctionOngoing( address _nftContractAddress, uint256 _tokenId ) internal view returns (bool) { uint256 auctionEndTimestamp = nftContractAuctions[_nftContractAddress][ _tokenId ].auctionEnd; return (auctionEndTimestamp != 0 && block.timestamp < auctionEndTimestamp); } /* * Check if a bid has been made. This is applicable in the early bid scenario * to ensure that if an auction is created after an early bid, the auction * begins appropriately or is settled if the buy now price is met. */ function _isABidMade( address _nftContractAddress, uint256 _tokenId ) internal view returns (bool) { return (nftContractAuctions[_nftContractAddress][_tokenId] .nftHighestBid > 0); } /* *if the minPrice is set by the seller, check that the highest bid meets or exceeds that price. */ function _isMinimumBidMade( address _nftContractAddress, uint256 _tokenId ) internal view returns (bool) { uint256 minPrice = nftContractAuctions[_nftContractAddress][_tokenId] .minPrice; return minPrice == 0 || (nftContractAuctions[_nftContractAddress][_tokenId].nftHighestBid >= minPrice); } /* * If the buy now price is set by the seller, check that the highest bid meets that price. */ function _isBuyNowPriceMet( address _nftContractAddress, uint256 _tokenId ) internal view returns (bool) { uint256 buyNowPrice = nftContractAuctions[_nftContractAddress][_tokenId] .buyNowPrice; return buyNowPrice > 0 && nftContractAuctions[_nftContractAddress][_tokenId].nftHighestBid >= buyNowPrice; } /* * Check that a bid is applicable for the purchase of the NFT. * In the case of a sale: the bid needs to meet the buyNowPrice. * In the case of an auction: the bid needs to be a % higher than the previous bid. */ function _doesBidMeetBidRequirements( address _nftContractAddress, uint256 _tokenId ) internal view returns (bool) { uint256 buyNowPrice = nftContractAuctions[_nftContractAddress][_tokenId] .buyNowPrice; //if buyNowPrice is met, ignore increase percentage if (buyNowPrice > 0 && msg.value >= buyNowPrice) { return true; } //if the NFT is up for auction, the bid needs to be a % higher than the previous bid uint256 bidIncreaseAmount = (nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBid * (10000 + _getBidIncreasePercentage(_nftContractAddress, _tokenId))) / 10000; return msg.value >= bidIncreaseAmount; } /* * An NFT is up for sale if the buyNowPrice is set, but the minPrice is not set. * Therefore the only way to conclude the NFT sale is to meet the buyNowPrice. */ function _isASale( address _nftContractAddress, uint256 _tokenId ) internal view returns (bool) { return (nftContractAuctions[_nftContractAddress][_tokenId].buyNowPrice > 0 && nftContractAuctions[_nftContractAddress][_tokenId].minPrice == 0); } function _isWhitelistedSale( address _nftContractAddress, uint256 _tokenId ) internal view returns (bool) { return (nftContractAuctions[_nftContractAddress][_tokenId] .allowListRoot != bytes32(0)); } /* * Returns the percentage of the total bid (used to calculate fee payments) */ function _getPortionOfBid( uint256 _totalBid, uint256 _percentage ) internal pure returns (uint256) { return (_totalBid * (_percentage)) / 10000; } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ AUCTION CHECK FUNCTIONS ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ DEFAULT GETTER FUNCTIONS ║ ╚══════════════════════════════╝*/ /***************************************************************** * These functions check if the applicable auction parameter has * * been set by the NFT seller. If not, return the default value. * *****************************************************************/ function _getBidIncreasePercentage( address _nftContractAddress, uint256 _tokenId ) internal view returns (uint32) { uint32 bidIncreasePercentage = nftContractAuctions[_nftContractAddress][ _tokenId ].bidIncreasePercentage; if (bidIncreasePercentage == 0) { return defaultBidIncreasePercentage; } else { return bidIncreasePercentage; } } function _getAuctionBidPeriod( address _nftContractAddress, uint256 _tokenId ) internal view returns (uint32) { uint32 auctionBidPeriod = nftContractAuctions[_nftContractAddress][ _tokenId ].auctionBidPeriod; if (auctionBidPeriod == 0) { return defaultAuctionBidPeriod; } else { return auctionBidPeriod; } } /* * The default value for the NFT recipient is the highest bidder */ function _getNftRecipient( address _nftContractAddress, uint256 _tokenId ) internal view returns (address) { address nftRecipient = nftContractAuctions[_nftContractAddress][ _tokenId ].nftRecipient; if (nftRecipient == address(0)) { return nftContractAuctions[_nftContractAddress][_tokenId] .nftHighestBidder; } else { return nftRecipient; } } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ DEFAULT GETTER FUNCTIONS ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ AUCTION CREATION ║ ╚══════════════════════════════╝*/ /** * Setup parameters applicable to all auctions and whitelised sales: * -> minimum price : _minPrice * -> buy now price : _buyNowPrice * -> the nft seller: msg.sender */ function _setupAuction( address _nftContractAddress, uint256 _tokenId, uint128 _minPrice, uint128 _buyNowPrice, string memory _tokenURI, bytes32 _allowListRoot ) internal minPriceDoesNotExceedLimit(_buyNowPrice, _minPrice) { nftContractAuctions[_nftContractAddress][_tokenId] .buyNowPrice = _buyNowPrice; nftContractAuctions[_nftContractAddress][_tokenId].minPrice = _minPrice; nftContractAuctions[_nftContractAddress][_tokenId].tokenURI = _tokenURI; nftContractAuctions[_nftContractAddress][_tokenId] .allowListRoot = _allowListRoot; nftContractAuctions[_nftContractAddress][_tokenId].sold = false; } function _createNewNftAuction( address _nftContractAddress, uint256 _tokenId, uint128 _minPrice, uint128 _buyNowPrice, string memory _tokenURI, bytes32 _allowListRoot ) internal { _setupAuction( _nftContractAddress, _tokenId, _minPrice, _buyNowPrice, _tokenURI, _allowListRoot ); emit AuctionCreated( _nftContractAddress, _tokenId, _minPrice, _buyNowPrice, _getAuctionBidPeriod(_nftContractAddress, _tokenId), _getBidIncreasePercentage(_nftContractAddress, _tokenId) ); _updateOngoingAuction(_nftContractAddress, _tokenId); } /** * Create an auction that uses the default bid increase percentage * & the default auction bid period. */ function createDefaultNftAuction( address _nftContractAddress, uint256 _tokenId, uint128 _minPrice, uint128 _buyNowPrice, string memory _tokenURI, bytes32 _allowListRoot ) external onlyOwner whenNotPaused { try CHARACTER_V1(_nftContractAddress).ownerOf(_tokenId) returns ( address ) { revert("Token is minted"); } catch (bytes memory) { _createNewNftAuction( _nftContractAddress, _tokenId, _minPrice, _buyNowPrice, _tokenURI, _allowListRoot ); } } function createNewNftAuction( address _nftContractAddress, uint128 _minPrice, uint128 _buyNowPrice, uint32 _auctionBidPeriod, //this is the time that the auction lasts until another bid occurs uint32 _bidIncreasePercentage, bytes32 _allowListRoot, uint256[] memory _tokenIds, string[] memory _tokenURIs ) external onlyOwner whenNotPaused increasePercentageAboveMinimum(_bidIncreasePercentage) { uint256 length = _tokenIds.length; require( length == _tokenURIs.length, "TokenIds Length and _tokenURIs length are not matched" ); for (uint16 i; i < length; i++) { try CHARACTER_V1(_nftContractAddress).ownerOf(_tokenIds[i]) returns (address) { revert("Token is minted"); } catch (bytes memory) { nftContractAuctions[_nftContractAddress][_tokenIds[i]] .auctionBidPeriod = _auctionBidPeriod; nftContractAuctions[_nftContractAddress][_tokenIds[i]] .bidIncreasePercentage = _bidIncreasePercentage; _createNewNftAuction( _nftContractAddress, _tokenIds[i], _minPrice, _buyNowPrice, _tokenURIs[i], _allowListRoot ); } } } function getAunctionData( address _nftContractAddress, uint256 _tokenId ) public view returns (Auction memory) { Auction memory res = nftContractAuctions[_nftContractAddress][_tokenId]; return res; } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ AUCTION CREATION ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ SALES ║ ╚══════════════════════════════╝*/ /******************************************************************** * Allows for a standard sale mechanism where the NFT seller can * * can select an allow list. This list is then * * allowed to make a bid on the NFT. No other address can bid on * * the NFT. * ********************************************************************/ function _createSale( address _nftContractAddress, uint256 _tokenId ) internal whenNotPaused { //check if buyNowPrice is meet and conclude sale if (_isABidMade(_nftContractAddress, _tokenId)) { if (_isBuyNowPriceMet(_nftContractAddress, _tokenId)) { _mintNftAndTransferPayment( _nftContractAddress, _tokenId, false ); address _buyer = nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBidder; uint128 _amount = nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBid; emit SaleCreated( _nftContractAddress, _tokenId, _amount, _buyer ); } else { revert("Bid price must match sale price"); } } } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ SALES ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔═════════════════════════════╗ ║ BID FUNCTIONS ║ ╚═════════════════════════════╝*/ /******************************************************************** * Make bids with ETH or an ERC20 Token specified by the NFT seller.* * Additionally, a buyer can pay the asking price to conclude a sale* * of an NFT. * ********************************************************************/ function _makeBid( address _nftContractAddress, uint256 _tokenId ) internal paymentAccepted bidAmountMeetsBidRequirements(_nftContractAddress, _tokenId) { _reversePreviousBidAndUpdateHighestBid(_nftContractAddress, _tokenId); // let the user pay the gas cost if they attemp to trick the contract to underprice the auction require( _isMinimumBidMade(_nftContractAddress, _tokenId), "Bid price does not meet min price requirement" ); _updateOngoingAuction(_nftContractAddress, _tokenId); emit BidMade( _nftContractAddress, _tokenId, msg.sender, uint128(msg.value), block.timestamp ); } function makeBid( address _nftContractAddress, uint256 _tokenId, bytes32[] calldata merkleProof ) external payable whenNotPaused nonReentrant auctionOngoing(_nftContractAddress, _tokenId) { bytes32 root = nftContractAuctions[_nftContractAddress][_tokenId] .allowListRoot; require( root == bytes32(0) || _isInAllowList(root, merkleProof), "invalid merkle proof" ); _makeBid(_nftContractAddress, _tokenId); if (_isASale(_nftContractAddress, _tokenId)) { _createSale(_nftContractAddress, _tokenId); } } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ BID FUNCTIONS ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ UPDATE AUCTION ║ ╚══════════════════════════════╝*/ /*************************************************************** * Settle an auction or sale if the buyNowPrice is met or set * * auction period to begin if the minimum price has been met. * ***************************************************************/ function _updateOngoingAuction( address _nftContractAddress, uint256 _tokenId ) internal { if (_isBuyNowPriceMet(_nftContractAddress, _tokenId)) { return; } //min price not set, nft not up for auction yet _updateAuctionEnd(_nftContractAddress, _tokenId); } function _updateAuctionEnd( address _nftContractAddress, uint256 _tokenId ) internal { //the auction end is always set to now + the bid period if ( nftContractAuctions[_nftContractAddress][_tokenId].auctionEnd == 0 ) { nftContractAuctions[_nftContractAddress][_tokenId].auctionEnd = _getAuctionBidPeriod(_nftContractAddress, _tokenId) + block.timestamp; } else if ( nftContractAuctions[_nftContractAddress][_tokenId].auctionEnd - block.timestamp < 300 ) { nftContractAuctions[_nftContractAddress][_tokenId] .auctionEnd += 300; } emit AuctionPeriodUpdated( _nftContractAddress, _tokenId, nftContractAuctions[_nftContractAddress][_tokenId].auctionEnd ); } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ UPDATE AUCTION ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ RESET FUNCTIONS ║ ╚══════════════════════════════╝*/ /* * Reset all auction related parameters for an NFT. * This effectively removes an EFT as an item up for auction */ function _resetAuction( address _nftContractAddress, uint256 _tokenId ) internal { require( !nftContractAuctions[_nftContractAddress][_tokenId].sold, "Auction already sold" ); nftContractAuctions[_nftContractAddress][_tokenId].minPrice = 0; nftContractAuctions[_nftContractAddress][_tokenId].buyNowPrice = 0; nftContractAuctions[_nftContractAddress][_tokenId].auctionEnd = 0; nftContractAuctions[_nftContractAddress][_tokenId].auctionBidPeriod = 0; nftContractAuctions[_nftContractAddress][_tokenId] .bidIncreasePercentage = 0; nftContractAuctions[_nftContractAddress][_tokenId] .allowListRoot = bytes32(0); } function _closeAuction( address _nftContractAddress, uint256 _tokenId ) internal { require( !nftContractAuctions[_nftContractAddress][_tokenId].sold, "Auction already sold" ); nftContractAuctions[_nftContractAddress][_tokenId].auctionEnd = block .timestamp; nftContractAuctions[_nftContractAddress][_tokenId].sold = true; } /* * Reset all bid related parameters for an NFT. * This effectively sets an NFT as having no active bids */ function _resetBids( address _nftContractAddress, uint256 _tokenId ) internal { nftContractAuctions[_nftContractAddress][_tokenId] .nftHighestBidder = address(0); nftContractAuctions[_nftContractAddress][_tokenId].nftHighestBid = 0; nftContractAuctions[_nftContractAddress][_tokenId] .nftRecipient = address(0); } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ RESET FUNCTIONS ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ UPDATE BIDS ║ ╚══════════════════════════════╝*/ /****************************************************************** * Internal functions that update bid parameters and reverse bids * * to ensure contract only holds the highest bid. * ******************************************************************/ function _updateHighestBid( address _nftContractAddress, uint256 _tokenId ) internal { nftContractAuctions[_nftContractAddress][_tokenId] .nftHighestBid = uint128(msg.value); nftContractAuctions[_nftContractAddress][_tokenId] .nftHighestBidder = msg.sender; } function _reversePreviousBidAndUpdateHighestBid( address _nftContractAddress, uint256 _tokenId ) internal { address prevNftHighestBidder = nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBidder; uint128 prevNftHighestBid = nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBid; _updateHighestBid(_nftContractAddress, _tokenId); if (prevNftHighestBidder != address(0)) { _payout( _nftContractAddress, _tokenId, prevNftHighestBidder, prevNftHighestBid ); } } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ UPDATE BIDS ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ TRANSFER NFT & PAY SELLER ║ ╚══════════════════════════════╝*/ //_transferNftAndPaySeller function _mintNftAndTransferPayment( address _nftContractAddress, uint256 _tokenId, bool _refundWhenMinted ) internal { address _nftHighestBidder = nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBidder; address _nftRecipient = _getNftRecipient(_nftContractAddress, _tokenId); uint128 _nftHighestBid = nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBid; string memory _tokenUri = nftContractAuctions[_nftContractAddress][ _tokenId ].tokenURI; // if the token is minted, return the money to the bidder try CHARACTER_V1(_nftContractAddress).ownerOf(_tokenId) returns ( address ) { if (_refundWhenMinted) _payout( _nftContractAddress, _tokenId, _nftHighestBidder, _nftHighestBid ); else { revert("Token is already minted"); } } catch (bytes memory) { _payout(_nftContractAddress, _tokenId, feeReceiver, _nftHighestBid); CHARACTER_V1(_nftContractAddress).mint( _tokenId, _nftRecipient, _tokenUri ); emit CharaterMintedAndPaymentPaid( _nftContractAddress, _tokenId, _nftHighestBid, _nftHighestBidder, _nftRecipient ); } _closeAuction(_nftContractAddress, _tokenId); } function _payout( address _nftContractAddress, uint256 _tokenId, address _toAddress, uint128 _amount ) internal { // attempt to send the funds to the recipient bool success = payable(_toAddress).send(_amount); // if someone tried to pull the trick of Dos, keep the fund if (!success) { failedTransferCredits += _amount; emit FailedPayout( _nftContractAddress, _tokenId, _toAddress, _amount ); } } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ TRANSFER NFT & PAY SELLER ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ SETTLE & WITHDRAW ║ ╚══════════════════════════════╝*/ function settleAuction( address _nftContractAddress, uint256 _tokenId ) external whenNotPaused isAuctionOver(_nftContractAddress, _tokenId) { require( _isABidMade(_nftContractAddress, _tokenId), "cannot payout 0 bid" ); require( !nftContractAuctions[_nftContractAddress][_tokenId].sold, "Token already sold" ); _mintNftAndTransferPayment(_nftContractAddress, _tokenId, true); emit AuctionSettled(_nftContractAddress, _tokenId, msg.sender); } // Use to cancel an auction for a token ID. function withdrawAuction( address _nftContractAddress, uint256 _tokenId ) external onlyOwner { require( !nftContractAuctions[_nftContractAddress][_tokenId].sold, "token has already sold" ); require( nftContractAuctions[_nftContractAddress][_tokenId].nftHighestBid == 0, "Can not withdraw when a bid is made" ); _resetAuction(_nftContractAddress, _tokenId); emit AuctionWithdrawn(_nftContractAddress, _tokenId, msg.sender); } function withdrawBid( address _nftContractAddress, uint256 _tokenId ) external minimumBidNotMade(_nftContractAddress, _tokenId) { address nftHighestBidder = nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBidder; require(msg.sender == nftHighestBidder, "Cannot withdraw funds"); uint128 nftHighestBid = nftContractAuctions[_nftContractAddress][ _tokenId ].nftHighestBid; _resetBids(_nftContractAddress, _tokenId); _payout(_nftContractAddress, _tokenId, nftHighestBidder, nftHighestBid); emit BidWithdrawn(_nftContractAddress, _tokenId, msg.sender); } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ SETTLE & WITHDRAW ║ ╚══════════════════════════════╝*/ /**********************************/ /*╔══════════════════════════════╗ ║ UPDATE AUCTION ║ ╚══════════════════════════════╝*/ /* * The NFT seller can opt to end an auction by taking the current highest bid. */ function takeHighestBid( address _nftContractAddress, uint256 _tokenId ) external onlyOwner { require( _isABidMade(_nftContractAddress, _tokenId), "cannot payout 0 bid" ); _mintNftAndTransferPayment(_nftContractAddress, _tokenId, true); emit HighestBidTaken(_nftContractAddress, _tokenId); } /**********************************/ /*╔══════════════════════════════╗ ║ END ║ ║ UPDATE AUCTION ║ ╚══════════════════════════════╝*/ /**********************************/ function toBytes32(address addr) internal pure returns (bytes32) { return bytes32(uint256(uint160(addr))); } /* * Claim all the leftover fund to recepient and settle payment later */ function withdrawAllFailedCredits(address receiver) external onlyOwner { uint256 amount = address(this).balance; require(amount != 0, "no credits to withdraw"); require(payable(receiver).send(amount), "withdraw failed"); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import "@openzeppelin/contracts4.8.2/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts4.8.2/token/ERC721/extensions/ERC721Enumerable.sol"; import "@openzeppelin/contracts4.8.2/token/ERC721/extensions/ERC721URIStorage.sol"; import "@openzeppelin/contracts4.8.2/token/ERC721/extensions/ERC721Royalty.sol"; import "@openzeppelin/contracts4.8.2/security/Pausable.sol"; import "@openzeppelin/contracts4.8.2/access/AccessControlEnumerable.sol"; import "@openzeppelin/contracts4.8.2/access/Ownable.sol"; import "@openzeppelin/contracts4.8.2/token/ERC721/extensions/ERC721Burnable.sol"; import "operator-filter-registry1.4.1/src/DefaultOperatorFilterer.sol"; /** * CHARACTER_V1 * - Support Royalty(https://docs.openzeppelin.com/contracts/4.x/api/token/erc721#ERC721Royalty) * - AccessControl * - Ownable(For only OpenSea) * - ERC721URIStorage * - Burnable * - OpenSea secondary sale */ contract CHARACTER_V1 is ERC721, ERC721Enumerable, ERC721URIStorage, Pausable, AccessControlEnumerable, ERC721Burnable, ERC721Royalty, Ownable, DefaultOperatorFilterer { bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE"); bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE"); bytes32 public constant ROYALTY_ROLE = keccak256("ROYALTY_ROLE"); constructor( string memory _name, string memory _symbol ) ERC721(_name, _symbol) { _setupRole(DEFAULT_ADMIN_ROLE, msg.sender); _setupRole(MINTER_ROLE, msg.sender); _setupRole(PAUSER_ROLE, msg.sender); _setupRole(ROYALTY_ROLE, msg.sender); } //////////////////// // Mint /** * @dev Miting NFT * * Requirements: * * - Message sender must have `MINTER_ROLE` */ function mint(uint256 tokenId, address to, string memory uri) public onlyRole(MINTER_ROLE) { _safeMint(to, tokenId); _setTokenURI(tokenId, uri); } //////////////////// // Pausable /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function pause() public onlyRole(PAUSER_ROLE) { _pause(); } /** * @dev Triggers un-stopped state. * * Requirements: * * - The contract must not be paused. */ function unpause() public onlyRole(PAUSER_ROLE) { _unpause(); } //////////////////// // Royality /** * @dev Sets default royalty information. */ function setDefaultRoyalty(address receiver, uint96 feeNumerator) public onlyRole(ROYALTY_ROLE) { _setDefaultRoyalty(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function deleteDefaultRoyalty() external onlyRole(ROYALTY_ROLE) { _deleteDefaultRoyalty(); } /** * @dev Sets the royalty information for a specific token id, overriding the global default. */ function setTokenRoyalty(uint256 tokenId ,address receiver, uint96 feeNumerator) public onlyRole(ROYALTY_ROLE) { _setTokenRoyalty(tokenId, receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function resetTokenRoyalty(uint256 tokenId) public onlyRole(ROYALTY_ROLE) { _resetTokenRoyalty(tokenId); } //////////////////// // The following functions are overrides required by Solidity. function _burn(uint256 tokenId) internal override(ERC721, ERC721URIStorage, ERC721Royalty) { super._burn(tokenId); } function tokenURI(uint256 tokenId) public view override(ERC721, ERC721URIStorage) returns (string memory) { return super.tokenURI(tokenId); } function supportsInterface(bytes4 interfaceId) public view override(ERC721, ERC721Enumerable, AccessControlEnumerable, ERC721Royalty) returns (bool) { return super.supportsInterface(interfaceId); } function _beforeTokenTransfer(address from, address to, uint256 tokenId, uint256 batchSize) internal override(ERC721, ERC721Enumerable) { super._beforeTokenTransfer(from, to, tokenId, batchSize); } function setApprovalForAll(address operator, bool approved) public override(ERC721, IERC721) onlyAllowedOperatorApproval(operator) { super.setApprovalForAll(operator, approved); } function approve(address operator, uint256 tokenId) public override(ERC721, IERC721) onlyAllowedOperatorApproval(operator) { super.approve(operator, tokenId); } function transferFrom(address from, address to, uint256 tokenId) public virtual whenNotPaused onlyAllowedOperator(from) override(ERC721, IERC721) { super.transferFrom(from, to, tokenId); } function safeTransferFrom(address from, address to, uint256 tokenId) public virtual whenNotPaused onlyAllowedOperator(from) override(ERC721, IERC721) { super.safeTransferFrom(from, to, tokenId); } function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual whenNotPaused onlyAllowedOperator(from) override(ERC721, IERC721) { super.safeTransferFrom(from, to, tokenId, data); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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 Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (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() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be _NOT_ENTERED require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; } function _nonReentrantAfter() private { // 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 (last updated v4.7.0) (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { _requireNotPaused(); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { _requirePaused(); _; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Throws if the contract is paused. */ function _requireNotPaused() internal view virtual { require(!paused(), "Pausable: paused"); } /** * @dev Throws if the contract is not paused. */ function _requirePaused() internal view virtual { require(paused(), "Pausable: not paused"); } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The tree and the proofs can be generated using our * https://github.com/OpenZeppelin/merkle-tree[JavaScript library]. * You will find a quickstart guide in the readme. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. * OpenZeppelin's JavaScript library generates merkle trees that are safe * against this attack out of the box. */ 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 Calldata version of {verify} * * _Available since v4.7._ */ function verifyCalldata( bytes32[] calldata proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProofCalldata(proof, leaf) == root; } /** * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt * hash matches the root of the tree. When processing the proof, the pairs * of leafs & pre-images are assumed to be sorted. * * _Available since v4.4._ */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Calldata version of {processProof} * * _Available since v4.7._ */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false * respectively. * * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer). * * _Available since v4.7._ */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof}. * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {OperatorFilterer} from "./OperatorFilterer.sol"; import {CANONICAL_CORI_SUBSCRIPTION} from "./lib/Constants.sol"; /** * @title DefaultOperatorFilterer * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription. * @dev Please note that if your token contract does not provide an owner with EIP-173, it must provide * administration methods on the contract itself to interact with the registry otherwise the subscription * will be locked to the options set during construction. */ abstract contract DefaultOperatorFilterer is OperatorFilterer { /// @dev The constructor that is called when the contract is being deployed. constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol) pragma solidity ^0.8.0; import "./IAccessControlEnumerable.sol"; import "./AccessControl.sol"; import "../utils/structs/EnumerableSet.sol"; /** * @dev Extension of {AccessControl} that allows enumerating the members of each role. */ abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl { using EnumerableSet for EnumerableSet.AddressSet; mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) { return _roleMembers[role].at(index); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) { return _roleMembers[role].length(); } /** * @dev Overload {_grantRole} to track enumerable memberships */ function _grantRole(bytes32 role, address account) internal virtual override { super._grantRole(role, account); _roleMembers[role].add(account); } /** * @dev Overload {_revokeRole} to track enumerable memberships */ function _revokeRole(bytes32 role, address account) internal virtual override { super._revokeRole(role, account); _roleMembers[role].remove(account); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.2) (token/ERC721/ERC721.sol) 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: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _ownerOf(tokenId); require(owner != address(0), "ERC721: invalid token ID"); 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) { _requireMinted(tokenId); 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 overridden 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 token owner or approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_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: caller is not token owner or 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: caller is not token owner or 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 the owner of the `tokenId`. Does NOT revert if token doesn't exist */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _owners[tokenId]; } /** * @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 _ownerOf(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) { address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == 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, 1); // Check that tokenId was not minted by `_beforeTokenTransfer` hook require(!_exists(tokenId), "ERC721: token already minted"); unchecked { // Will not overflow unless all 2**256 token ids are minted to the same owner. // Given that tokens are minted one by one, it is impossible in practice that // this ever happens. Might change if we allow batch minting. // The ERC fails to describe this case. _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId, 1); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId, 1); // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook owner = ERC721.ownerOf(tokenId); // Clear approvals delete _tokenApprovals[tokenId]; unchecked { // Cannot overflow, as that would require more tokens to be burned/transferred // out than the owner initially received through minting and transferring in. _balances[owner] -= 1; } delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId, 1); } /** * @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 from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId, 1); // Check that tokenId was not transferred by `_beforeTokenTransfer` hook require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); // Clear approvals from the previous owner delete _tokenApprovals[tokenId]; unchecked { // `_balances[from]` cannot overflow for the same reason as described in `_burn`: // `from`'s balance is the number of token held, which is at least one before the current // transfer. // `_balances[to]` could overflow in the conditions described in `_mint`. That would require // all 2**256 token ids to be minted, which in practice is impossible. _balances[from] -= 1; _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId, 1); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "ERC721: invalid token ID"); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`. * - When `from` is zero, the tokens will be minted for `to`. * - When `to` is zero, ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual {} /** * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`. * - When `from` is zero, the tokens were minted for `to`. * - When `to` is zero, ``from``'s tokens were burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual {} /** * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override. * * WARNING: Anyone calling this MUST ensure that the balances remain consistent with the ownership. The invariant * being that for any address `a` the value returned by `balanceOf(a)` must be equal to the number of tokens such * that `ownerOf(tokenId)` is `a`. */ // solhint-disable-next-line func-name-mixedcase function __unsafe_increaseBalance(address account, uint256 amount) internal { _balances[account] += amount; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol) 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 See {ERC721-_beforeTokenTransfer}. */ function _beforeTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual override { super._beforeTokenTransfer(from, to, firstTokenId, batchSize); if (batchSize > 1) { // Will only trigger during construction. Batch transferring (minting) is not available afterwards. revert("ERC721Enumerable: consecutive transfers not supported"); } uint256 tokenId = firstTokenId; 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 // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/extensions/ERC721URIStorage.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; /** * @dev ERC721 token with storage based token URI management. */ abstract contract ERC721URIStorage is ERC721 { using Strings for uint256; // Optional mapping for token URIs mapping(uint256 => string) private _tokenURIs; /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = _baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked). if (bytes(_tokenURI).length > 0) { return string(abi.encodePacked(base, _tokenURI)); } return super.tokenURI(tokenId); } /** * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token"); _tokenURIs[tokenId] = _tokenURI; } /** * @dev See {ERC721-_burn}. This override additionally checks to see if a * token-specific URI was set for the token, and if so, it deletes the token URI from * the storage mapping. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Royalty.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "../../common/ERC2981.sol"; import "../../../utils/introspection/ERC165.sol"; /** * @dev Extension of ERC721 with the ERC2981 NFT Royalty Standard, a standardized way to retrieve royalty payment * information. * * Royalty information can be specified globally for all token ids via {ERC2981-_setDefaultRoyalty}, and/or individually for * specific token ids via {ERC2981-_setTokenRoyalty}. The latter takes precedence over the first. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC721Royalty is ERC2981, ERC721 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, ERC2981) returns (bool) { return super.supportsInterface(interfaceId); } /** * @dev See {ERC721-_burn}. This override additionally clears the royalty information for the token. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); _resetTokenRoyalty(tokenId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Burnable.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "../../../utils/Context.sol"; /** * @title ERC721 Burnable Token * @dev ERC721 Token that can be burned (destroyed). */ abstract contract ERC721Burnable is Context, ERC721 { /** * @dev Burns `tokenId`. See {ERC721-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) public virtual { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved"); _burn(tokenId); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol"; import {CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS} from "./lib/Constants.sol"; /** * @title OperatorFilterer * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another * registrant's entries in the OperatorFilterRegistry. * @dev This smart contract is meant to be inherited by token contracts so they can use the following: * - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods. * - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods. * Please note that if your token contract does not provide an owner with EIP-173, it must provide * administration methods on the contract itself to interact with the registry otherwise the subscription * will be locked to the options set during construction. */ abstract contract OperatorFilterer { /// @dev Emitted when an operator is not allowed. error OperatorNotAllowed(address operator); IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY = IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS); /// @dev The constructor that is called when the contract is being deployed. constructor(address subscriptionOrRegistrantToCopy, bool subscribe) { // If an inheriting token contract is deployed to a network without the registry deployed, the modifier // will not revert, but the contract will need to be registered with the registry once it is deployed in // order for the modifier to filter addresses. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { if (subscribe) { OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy); } else { if (subscriptionOrRegistrantToCopy != address(0)) { OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy); } else { OPERATOR_FILTER_REGISTRY.register(address(this)); } } } } /** * @dev A helper function to check if an operator is allowed. */ modifier onlyAllowedOperator(address from) virtual { // Allow spending tokens from addresses with balance // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred // from an EOA. if (from != msg.sender) { _checkFilterOperator(msg.sender); } _; } /** * @dev A helper function to check if an operator approval is allowed. */ modifier onlyAllowedOperatorApproval(address operator) virtual { _checkFilterOperator(operator); _; } /** * @dev A helper function to check if an operator is allowed. */ function _checkFilterOperator(address operator) internal view virtual { // Check registry code length to facilitate testing in environments without a deployed registry. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { // under normal circumstances, this function will revert rather than return false, but inheriting contracts // may specify their own OperatorFilterRegistry implementations, which may behave differently if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) { revert OperatorNotAllowed(operator); } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; address constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E; address constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; interface IOperatorFilterRegistry { /** * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns * true if supplied registrant address is not registered. */ function isOperatorAllowed(address registrant, address operator) external view returns (bool); /** * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner. */ function register(address registrant) external; /** * @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes. */ function registerAndSubscribe(address registrant, address subscription) external; /** * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another * address without subscribing. */ function registerAndCopyEntries(address registrant, address registrantToCopy) external; /** * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner. * Note that this does not remove any filtered addresses or codeHashes. * Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes. */ function unregister(address addr) external; /** * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered. */ function updateOperator(address registrant, address operator, bool filtered) external; /** * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates. */ function updateOperators(address registrant, address[] calldata operators, bool filtered) external; /** * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered. */ function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external; /** * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates. */ function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external; /** * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous * subscription if present. * Note that accounts with subscriptions may go on to subscribe to other accounts - in this case, * subscriptions will not be forwarded. Instead the former subscription's existing entries will still be * used. */ function subscribe(address registrant, address registrantToSubscribe) external; /** * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes. */ function unsubscribe(address registrant, bool copyExistingEntries) external; /** * @notice Get the subscription address of a given registrant, if any. */ function subscriptionOf(address addr) external returns (address registrant); /** * @notice Get the set of addresses subscribed to a given registrant. * Note that order is not guaranteed as updates are made. */ function subscribers(address registrant) external returns (address[] memory); /** * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant. * Note that order is not guaranteed as updates are made. */ function subscriberAt(address registrant, uint256 index) external returns (address); /** * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr. */ function copyEntriesOf(address registrant, address registrantToCopy) external; /** * @notice Returns true if operator is filtered by a given address or its subscription. */ function isOperatorFiltered(address registrant, address operator) external returns (bool); /** * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription. */ function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool); /** * @notice Returns true if a codeHash is filtered by a given address or its subscription. */ function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool); /** * @notice Returns a list of filtered operators for a given address or its subscription. */ function filteredOperators(address addr) external returns (address[] memory); /** * @notice Returns the set of filtered codeHashes for a given address or its subscription. * Note that order is not guaranteed as updates are made. */ function filteredCodeHashes(address addr) external returns (bytes32[] memory); /** * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or * its subscription. * Note that order is not guaranteed as updates are made. */ function filteredOperatorAt(address registrant, uint256 index) external returns (address); /** * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or * its subscription. * Note that order is not guaranteed as updates are made. */ function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32); /** * @notice Returns true if an address has registered */ function isRegistered(address addr) external returns (bool); /** * @dev Convenience method to compute the code hash of an arbitrary contract */ function codeHashOf(address addr) external returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; /** * @dev External interface of AccessControlEnumerable declared to support ERC165 detection. */ interface IAccessControlEnumerable is IAccessControl { /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) external view returns (address); /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; import "../utils/Context.sol"; import "../utils/Strings.sol"; import "../utils/introspection/ERC165.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(account), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/structs/EnumerableSet.sol) // This file was procedurally generated from scripts/generate/templates/EnumerableSet.js. 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. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure * unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an * array of EnumerableSet. * ==== */ 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) { bytes32[] memory store = _values(set._inner); bytes32[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // 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; /// @solidity memory-safe-assembly 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 in 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; /// @solidity memory-safe-assembly assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @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] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// 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 (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } }
// 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 (last updated v4.8.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "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"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // 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 /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must 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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
{ "optimizer": { "enabled": true, "runs": 10 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
[{"inputs":[{"internalType":"address","name":"_feeReceiver","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint128","name":"minPrice","type":"uint128"},{"indexed":false,"internalType":"uint128","name":"buyNowPrice","type":"uint128"},{"indexed":false,"internalType":"uint32","name":"auctionBidPeriod","type":"uint32"},{"indexed":false,"internalType":"uint32","name":"bidIncreasePercentage","type":"uint32"}],"name":"AuctionCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"auctionEndPeriod","type":"uint256"}],"name":"AuctionPeriodUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"auctionSettler","type":"address"}],"name":"AuctionSettled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"nftOwner","type":"address"}],"name":"AuctionWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"bidder","type":"address"},{"indexed":false,"internalType":"uint128","name":"ethAmount","type":"uint128"},{"indexed":false,"internalType":"uint256","name":"createdAt","type":"uint256"}],"name":"BidMade","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"highestBidder","type":"address"}],"name":"BidWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint128","name":"newBuyNowPrice","type":"uint128"}],"name":"BuyNowPriceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint128","name":"nftHighestBid","type":"uint128"},{"indexed":false,"internalType":"address","name":"nftHighestBidder","type":"address"},{"indexed":false,"internalType":"address","name":"nftRecipient","type":"address"}],"name":"CharaterMintedAndPaymentPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"toAddress","type":"address"},{"indexed":false,"internalType":"uint128","name":"ethAmount","type":"uint128"}],"name":"FailedPayout","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"HighestBidTaken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"nftContractAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint128","name":"buyNowPrice","type":"uint128"},{"indexed":false,"internalType":"address","name":"buyer","type":"address"}],"name":"SaleCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"address","name":"_nftContractAddress","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint128","name":"_minPrice","type":"uint128"},{"internalType":"uint128","name":"_buyNowPrice","type":"uint128"},{"internalType":"string","name":"_tokenURI","type":"string"},{"internalType":"bytes32","name":"_allowListRoot","type":"bytes32"}],"name":"createDefaultNftAuction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nftContractAddress","type":"address"},{"internalType":"uint128","name":"_minPrice","type":"uint128"},{"internalType":"uint128","name":"_buyNowPrice","type":"uint128"},{"internalType":"uint32","name":"_auctionBidPeriod","type":"uint32"},{"internalType":"uint32","name":"_bidIncreasePercentage","type":"uint32"},{"internalType":"bytes32","name":"_allowListRoot","type":"bytes32"},{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"},{"internalType":"string[]","name":"_tokenURIs","type":"string[]"}],"name":"createNewNftAuction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"defaultAuctionBidPeriod","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultBidIncreasePercentage","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeReceiver","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_nftContractAddress","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"getAunctionData","outputs":[{"components":[{"internalType":"uint32","name":"bidIncreasePercentage","type":"uint32"},{"internalType":"uint32","name":"auctionBidPeriod","type":"uint32"},{"internalType":"uint256","name":"auctionEnd","type":"uint256"},{"internalType":"uint128","name":"minPrice","type":"uint128"},{"internalType":"uint128","name":"buyNowPrice","type":"uint128"},{"internalType":"uint128","name":"nftHighestBid","type":"uint128"},{"internalType":"bytes32","name":"allowListRoot","type":"bytes32"},{"internalType":"address","name":"nftHighestBidder","type":"address"},{"internalType":"address","name":"nftRecipient","type":"address"},{"internalType":"string","name":"tokenURI","type":"string"},{"internalType":"bool","name":"sold","type":"bool"}],"internalType":"struct CHARACTER_SHOP.Auction","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_nftContractAddress","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"bytes32[]","name":"merkleProof","type":"bytes32[]"}],"name":"makeBid","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"maximumMinPricePercentage","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minimumSettableIncreasePercentage","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"nftContractAuctions","outputs":[{"internalType":"uint32","name":"bidIncreasePercentage","type":"uint32"},{"internalType":"uint32","name":"auctionBidPeriod","type":"uint32"},{"internalType":"uint256","name":"auctionEnd","type":"uint256"},{"internalType":"uint128","name":"minPrice","type":"uint128"},{"internalType":"uint128","name":"buyNowPrice","type":"uint128"},{"internalType":"uint128","name":"nftHighestBid","type":"uint128"},{"internalType":"bytes32","name":"allowListRoot","type":"bytes32"},{"internalType":"address","name":"nftHighestBidder","type":"address"},{"internalType":"address","name":"nftRecipient","type":"address"},{"internalType":"string","name":"tokenURI","type":"string"},{"internalType":"bool","name":"sold","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nftContractAddress","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"settleAuction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nftContractAddress","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"takeHighestBid","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"withdrawAllFailedCredits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nftContractAddress","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"withdrawAuction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nftContractAddress","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"withdrawBid","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000ec1fd85c008700aab4915f3a69c9edf82b34b727
-----Decoded View---------------
Arg [0] : _feeReceiver (address): 0xeC1fd85c008700aAB4915F3a69C9eDF82b34B727
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000ec1fd85c008700aab4915f3a69c9edf82b34b727
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.