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Latest 25 from a total of 903 transactions
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Buy | 53722531 | 230 days ago | IN | 0 POL | 0.00648224 | ||||
Buy | 53588829 | 233 days ago | IN | 0 POL | 0.01680747 | ||||
Buy | 52914906 | 250 days ago | IN | 0 POL | 0.00725371 | ||||
Buy | 52914853 | 250 days ago | IN | 0 POL | 0.00354637 | ||||
Buy | 52914850 | 250 days ago | IN | 0 POL | 0.00710611 | ||||
Buy | 52914842 | 250 days ago | IN | 0 POL | 0.00674025 | ||||
Buy | 52914835 | 250 days ago | IN | 0 POL | 0.00798468 | ||||
Buy | 52913775 | 250 days ago | IN | 0 POL | 0.00844166 | ||||
Buy | 52913762 | 250 days ago | IN | 0 POL | 0.00892643 | ||||
Buy | 52683902 | 256 days ago | IN | 0 POL | 0.00524104 | ||||
Buy | 52563928 | 259 days ago | IN | 0 POL | 0.00189786 | ||||
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Buy | 52549102 | 260 days ago | IN | 0 POL | 0.00476537 |
Latest 25 internal transactions (View All)
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50846737 | 304 days ago | 10 POL | ||||
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29294626 | 851 days ago | 5 POL |
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Minimal Proxy Contract for 0xf86de7d2d982948e5179c39e5ff1b91434eb9f96
Contract Name:
Marketplace
Compiler Version
v0.8.12+commit.f00d7308
Optimization Enabled:
Yes with 800 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; // ========== External imports ========== import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155ReceiverUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/introspection/IERC165Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/AccessControlEnumerableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol"; // ========== Internal imports ========== import { IMarketplace } from "../interfaces/marketplace/IMarketplace.sol"; import { ITWFee } from "../interfaces/ITWFee.sol"; import "../openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol"; import "../lib/CurrencyTransferLib.sol"; import "../lib/FeeType.sol"; contract Marketplace is Initializable, IMarketplace, ReentrancyGuardUpgradeable, ERC2771ContextUpgradeable, MulticallUpgradeable, AccessControlEnumerableUpgradeable, IERC721ReceiverUpgradeable, IERC1155ReceiverUpgradeable { /*/////////////////////////////////////////////////////////////// State variables //////////////////////////////////////////////////////////////*/ bytes32 private constant MODULE_TYPE = bytes32("Marketplace"); uint256 private constant VERSION = 2; /// @dev Only lister role holders can create listings, when listings are restricted by lister address. bytes32 private constant LISTER_ROLE = keccak256("LISTER_ROLE"); /// @dev Only assets from NFT contracts with asset role can be listed, when listings are restricted by asset address. bytes32 private constant ASSET_ROLE = keccak256("ASSET_ROLE"); /// @dev The address of the native token wrapper contract. address private immutable nativeTokenWrapper; /// @dev The thirdweb contract with fee related information. ITWFee public immutable thirdwebFee; /// @dev Total number of listings ever created in the marketplace. uint256 public totalListings; /// @dev Contract level metadata. string public contractURI; /// @dev The address that receives all platform fees from all sales. address private platformFeeRecipient; /// @dev The max bps of the contract. So, 10_000 == 100 % uint64 public constant MAX_BPS = 10_000; /// @dev The % of primary sales collected as platform fees. uint64 private platformFeeBps; /// @dev /** * @dev The amount of time added to an auction's 'endTime', if a bid is made within `timeBuffer` * seconds of the existing `endTime`. Default: 15 minutes. */ uint64 public timeBuffer; /// @dev The minimum % increase required from the previous winning bid. Default: 5%. uint64 public bidBufferBps; /*/////////////////////////////////////////////////////////////// Mappings //////////////////////////////////////////////////////////////*/ /// @dev Mapping from uid of listing => listing info. mapping(uint256 => Listing) public listings; /// @dev Mapping from uid of a direct listing => offeror address => offer made to the direct listing by the respective offeror. mapping(uint256 => mapping(address => Offer)) public offers; /// @dev Mapping from uid of an auction listing => current winning bid in an auction. mapping(uint256 => Offer) public winningBid; /*/////////////////////////////////////////////////////////////// Modifiers //////////////////////////////////////////////////////////////*/ /// @dev Checks whether caller is a listing creator. modifier onlyListingCreator(uint256 _listingId) { require(listings[_listingId].tokenOwner == _msgSender(), "!OWNER"); _; } /// @dev Checks whether a listing exists. modifier onlyExistingListing(uint256 _listingId) { require(listings[_listingId].assetContract != address(0), "DNE"); _; } /*/////////////////////////////////////////////////////////////// Constructor + initializer logic //////////////////////////////////////////////////////////////*/ constructor(address _nativeTokenWrapper, address _thirdwebFee) initializer { thirdwebFee = ITWFee(_thirdwebFee); nativeTokenWrapper = _nativeTokenWrapper; } /// @dev Initiliazes the contract, like a constructor. function initialize( address _defaultAdmin, string memory _contractURI, address[] memory _trustedForwarders, address _platformFeeRecipient, uint256 _platformFeeBps ) external initializer { // Initialize inherited contracts, most base-like -> most derived. __ReentrancyGuard_init(); __ERC2771Context_init(_trustedForwarders); // Initialize this contract's state. timeBuffer = 15 minutes; bidBufferBps = 500; contractURI = _contractURI; platformFeeBps = uint64(_platformFeeBps); platformFeeRecipient = _platformFeeRecipient; _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin); _setupRole(LISTER_ROLE, address(0)); _setupRole(ASSET_ROLE, address(0)); } /*/////////////////////////////////////////////////////////////// Generic contract logic //////////////////////////////////////////////////////////////*/ /// @dev Lets the contract receives native tokens from `nativeTokenWrapper` withdraw. receive() external payable {} /// @dev Returns the type of the contract. function contractType() external pure returns (bytes32) { return MODULE_TYPE; } /// @dev Returns the version of the contract. function contractVersion() external pure returns (uint8) { return uint8(VERSION); } /*/////////////////////////////////////////////////////////////// ERC 165 / 721 / 1155 logic //////////////////////////////////////////////////////////////*/ function onERC1155Received( address, address, uint256, uint256, bytes memory ) public virtual override returns (bytes4) { return this.onERC1155Received.selector; } function onERC1155BatchReceived( address, address, uint256[] memory, uint256[] memory, bytes memory ) public virtual override returns (bytes4) { return this.onERC1155BatchReceived.selector; } function onERC721Received( address, address, uint256, bytes calldata ) external pure override returns (bytes4) { return this.onERC721Received.selector; } function supportsInterface(bytes4 interfaceId) public view virtual override(AccessControlEnumerableUpgradeable, IERC165Upgradeable) returns (bool) { return interfaceId == type(IERC1155ReceiverUpgradeable).interfaceId || interfaceId == type(IERC721ReceiverUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /*/////////////////////////////////////////////////////////////// Listing (create-update-delete) logic //////////////////////////////////////////////////////////////*/ /// @dev Lets a token owner list tokens for sale: Direct Listing or Auction. function createListing(ListingParameters memory _params) external override { // Get values to populate `Listing`. uint256 listingId = totalListings; totalListings += 1; address tokenOwner = _msgSender(); TokenType tokenTypeOfListing = getTokenType(_params.assetContract); uint256 tokenAmountToList = getSafeQuantity(tokenTypeOfListing, _params.quantityToList); require(tokenAmountToList > 0, "QUANTITY"); require(hasRole(LISTER_ROLE, address(0)) || hasRole(LISTER_ROLE, _msgSender()), "!LISTER"); require(hasRole(ASSET_ROLE, address(0)) || hasRole(ASSET_ROLE, _params.assetContract), "!ASSET"); uint256 startTime = _params.startTime; if (startTime < block.timestamp) { // do not allow listing to start in the past (1 hour buffer) require(block.timestamp - startTime < 1 hours, "ST"); startTime = block.timestamp; } validateOwnershipAndApproval( tokenOwner, _params.assetContract, _params.tokenId, tokenAmountToList, tokenTypeOfListing ); Listing memory newListing = Listing({ listingId: listingId, tokenOwner: tokenOwner, assetContract: _params.assetContract, tokenId: _params.tokenId, startTime: startTime, endTime: startTime + _params.secondsUntilEndTime, quantity: tokenAmountToList, currency: _params.currencyToAccept, reservePricePerToken: _params.reservePricePerToken, buyoutPricePerToken: _params.buyoutPricePerToken, tokenType: tokenTypeOfListing, listingType: _params.listingType }); listings[listingId] = newListing; // Tokens listed for sale in an auction are escrowed in Marketplace. if (newListing.listingType == ListingType.Auction) { require(newListing.buyoutPricePerToken >= newListing.reservePricePerToken, "RESERVE"); transferListingTokens(tokenOwner, address(this), tokenAmountToList, newListing); } emit ListingAdded(listingId, _params.assetContract, tokenOwner, newListing); } /// @dev Lets a listing's creator edit the listing's parameters. function updateListing( uint256 _listingId, uint256 _quantityToList, uint256 _reservePricePerToken, uint256 _buyoutPricePerToken, address _currencyToAccept, uint256 _startTime, uint256 _secondsUntilEndTime ) external override onlyListingCreator(_listingId) { Listing memory targetListing = listings[_listingId]; uint256 safeNewQuantity = getSafeQuantity(targetListing.tokenType, _quantityToList); bool isAuction = targetListing.listingType == ListingType.Auction; require(safeNewQuantity != 0, "QUANTITY"); // Can only edit auction listing before it starts. if (isAuction) { require(block.timestamp < targetListing.startTime, "STARTED"); require(_buyoutPricePerToken >= _reservePricePerToken, "RESERVE"); } if (_startTime < block.timestamp) { // do not allow listing to start in the past (1 hour buffer) require(block.timestamp - _startTime < 1 hours, "ST"); _startTime = block.timestamp; } uint256 newStartTime = _startTime == 0 ? targetListing.startTime : _startTime; listings[_listingId] = Listing({ listingId: _listingId, tokenOwner: _msgSender(), assetContract: targetListing.assetContract, tokenId: targetListing.tokenId, startTime: newStartTime, endTime: _secondsUntilEndTime == 0 ? targetListing.endTime : newStartTime + _secondsUntilEndTime, quantity: safeNewQuantity, currency: _currencyToAccept, reservePricePerToken: _reservePricePerToken, buyoutPricePerToken: _buyoutPricePerToken, tokenType: targetListing.tokenType, listingType: targetListing.listingType }); // Must validate ownership and approval of the new quantity of tokens for diret listing. if (targetListing.quantity != safeNewQuantity) { // Transfer all escrowed tokens back to the lister, to be reflected in the lister's // balance for the upcoming ownership and approval check. if (isAuction) { transferListingTokens(address(this), targetListing.tokenOwner, targetListing.quantity, targetListing); } validateOwnershipAndApproval( targetListing.tokenOwner, targetListing.assetContract, targetListing.tokenId, safeNewQuantity, targetListing.tokenType ); // Escrow the new quantity of tokens to list in the auction. if (isAuction) { transferListingTokens(targetListing.tokenOwner, address(this), safeNewQuantity, targetListing); } } emit ListingUpdated(_listingId, targetListing.tokenOwner); } /// @dev Lets a direct listing creator cancel their listing. function cancelDirectListing(uint256 _listingId) external onlyListingCreator(_listingId) { Listing memory targetListing = listings[_listingId]; require(targetListing.listingType == ListingType.Direct, "!DIRECT"); delete listings[_listingId]; emit ListingRemoved(_listingId, targetListing.tokenOwner); } /*/////////////////////////////////////////////////////////////// Direct lisitngs sales logic //////////////////////////////////////////////////////////////*/ /// @dev Lets an account buy a given quantity of tokens from a listing. function buy( uint256 _listingId, address _buyFor, uint256 _quantityToBuy, address _currency, uint256 _totalPrice ) external payable override nonReentrant onlyExistingListing(_listingId) { Listing memory targetListing = listings[_listingId]; address payer = _msgSender(); // Check whether the settled total price and currency to use are correct. require( _currency == targetListing.currency && _totalPrice == (targetListing.buyoutPricePerToken * _quantityToBuy), "!PRICE" ); executeSale( targetListing, payer, _buyFor, targetListing.currency, targetListing.buyoutPricePerToken * _quantityToBuy, _quantityToBuy ); } /// @dev Lets a listing's creator accept an offer for their direct listing. function acceptOffer( uint256 _listingId, address _offeror, address _currency, uint256 _pricePerToken ) external override nonReentrant onlyListingCreator(_listingId) onlyExistingListing(_listingId) { Offer memory targetOffer = offers[_listingId][_offeror]; Listing memory targetListing = listings[_listingId]; require(_currency == targetOffer.currency && _pricePerToken == targetOffer.pricePerToken, "!PRICE"); require(targetOffer.expirationTimestamp > block.timestamp, "EXPIRED"); delete offers[_listingId][_offeror]; executeSale( targetListing, _offeror, _offeror, targetOffer.currency, targetOffer.pricePerToken * targetOffer.quantityWanted, targetOffer.quantityWanted ); } /// @dev Performs a direct listing sale. function executeSale( Listing memory _targetListing, address _payer, address _receiver, address _currency, uint256 _currencyAmountToTransfer, uint256 _listingTokenAmountToTransfer ) internal { validateDirectListingSale( _targetListing, _payer, _listingTokenAmountToTransfer, _currency, _currencyAmountToTransfer ); _targetListing.quantity -= _listingTokenAmountToTransfer; listings[_targetListing.listingId] = _targetListing; payout(_payer, _targetListing.tokenOwner, _currency, _currencyAmountToTransfer, _targetListing); transferListingTokens(_targetListing.tokenOwner, _receiver, _listingTokenAmountToTransfer, _targetListing); emit NewSale( _targetListing.listingId, _targetListing.assetContract, _targetListing.tokenOwner, _receiver, _listingTokenAmountToTransfer, _currencyAmountToTransfer ); } /*/////////////////////////////////////////////////////////////// Offer/bid logic //////////////////////////////////////////////////////////////*/ /// @dev Lets an account (1) make an offer to a direct listing, or (2) make a bid in an auction. function offer( uint256 _listingId, uint256 _quantityWanted, address _currency, uint256 _pricePerToken, uint256 _expirationTimestamp ) external payable override nonReentrant onlyExistingListing(_listingId) { Listing memory targetListing = listings[_listingId]; require( targetListing.endTime > block.timestamp && targetListing.startTime < block.timestamp, "inactive listing." ); // Both - (1) offers to direct listings, and (2) bids to auctions - share the same structure. Offer memory newOffer = Offer({ listingId: _listingId, offeror: _msgSender(), quantityWanted: _quantityWanted, currency: _currency, pricePerToken: _pricePerToken, expirationTimestamp: _expirationTimestamp }); if (targetListing.listingType == ListingType.Auction) { // A bid to an auction must be made in the auction's desired currency. require(newOffer.currency == targetListing.currency, "must use approved currency to bid"); // A bid must be made for all auction items. newOffer.quantityWanted = getSafeQuantity(targetListing.tokenType, targetListing.quantity); handleBid(targetListing, newOffer); } else if (targetListing.listingType == ListingType.Direct) { // Prevent potentially lost/locked native token. require(msg.value == 0, "no value needed"); // Offers to direct listings cannot be made directly in native tokens. newOffer.currency = _currency == CurrencyTransferLib.NATIVE_TOKEN ? nativeTokenWrapper : _currency; newOffer.quantityWanted = getSafeQuantity(targetListing.tokenType, _quantityWanted); handleOffer(targetListing, newOffer); } } /// @dev Processes a new offer to a direct listing. function handleOffer(Listing memory _targetListing, Offer memory _newOffer) internal { require( _newOffer.quantityWanted <= _targetListing.quantity && _targetListing.quantity > 0, "insufficient tokens in listing." ); validateERC20BalAndAllowance( _newOffer.offeror, _newOffer.currency, _newOffer.pricePerToken * _newOffer.quantityWanted ); offers[_targetListing.listingId][_newOffer.offeror] = _newOffer; emit NewOffer( _targetListing.listingId, _newOffer.offeror, _targetListing.listingType, _newOffer.quantityWanted, _newOffer.pricePerToken * _newOffer.quantityWanted, _newOffer.currency ); } /// @dev Processes an incoming bid in an auction. function handleBid(Listing memory _targetListing, Offer memory _incomingBid) internal { Offer memory currentWinningBid = winningBid[_targetListing.listingId]; uint256 currentOfferAmount = currentWinningBid.pricePerToken * currentWinningBid.quantityWanted; uint256 incomingOfferAmount = _incomingBid.pricePerToken * _incomingBid.quantityWanted; address _nativeTokenWrapper = nativeTokenWrapper; // Close auction and execute sale if there's a buyout price and incoming offer amount is buyout price. if ( _targetListing.buyoutPricePerToken > 0 && incomingOfferAmount >= _targetListing.buyoutPricePerToken * _targetListing.quantity ) { _closeAuctionForBidder(_targetListing, _incomingBid); } else { /** * If there's an exisitng winning bid, incoming bid amount must be bid buffer % greater. * Else, bid amount must be at least as great as reserve price */ require( isNewWinningBid( _targetListing.reservePricePerToken * _targetListing.quantity, currentOfferAmount, incomingOfferAmount ), "not winning bid." ); // Update the winning bid and listing's end time before external contract calls. winningBid[_targetListing.listingId] = _incomingBid; if (_targetListing.endTime - block.timestamp <= timeBuffer) { _targetListing.endTime += timeBuffer; listings[_targetListing.listingId] = _targetListing; } } // Payout previous highest bid. if (currentWinningBid.offeror != address(0) && currentOfferAmount > 0) { CurrencyTransferLib.transferCurrencyWithWrapper( _targetListing.currency, address(this), currentWinningBid.offeror, currentOfferAmount, _nativeTokenWrapper ); } // Collect incoming bid CurrencyTransferLib.transferCurrencyWithWrapper( _targetListing.currency, _incomingBid.offeror, address(this), incomingOfferAmount, _nativeTokenWrapper ); emit NewOffer( _targetListing.listingId, _incomingBid.offeror, _targetListing.listingType, _incomingBid.quantityWanted, _incomingBid.pricePerToken * _incomingBid.quantityWanted, _incomingBid.currency ); } /// @dev Checks whether an incoming bid is the new current highest bid. function isNewWinningBid( uint256 _reserveAmount, uint256 _currentWinningBidAmount, uint256 _incomingBidAmount ) internal view returns (bool isValidNewBid) { if (_currentWinningBidAmount == 0) { isValidNewBid = _incomingBidAmount >= _reserveAmount; } else { isValidNewBid = (_incomingBidAmount > _currentWinningBidAmount && ((_incomingBidAmount - _currentWinningBidAmount) * MAX_BPS) / _currentWinningBidAmount >= bidBufferBps); } } /*/////////////////////////////////////////////////////////////// Auction lisitngs sales logic //////////////////////////////////////////////////////////////*/ /// @dev Lets an account close an auction for either the (1) winning bidder, or (2) auction creator. function closeAuction(uint256 _listingId, address _closeFor) external override nonReentrant onlyExistingListing(_listingId) { Listing memory targetListing = listings[_listingId]; require(targetListing.listingType == ListingType.Auction, "not an auction."); Offer memory targetBid = winningBid[_listingId]; // Cancel auction if (1) auction hasn't started, or (2) auction doesn't have any bids. bool toCancel = targetListing.startTime > block.timestamp || targetBid.offeror == address(0); if (toCancel) { // cancel auction listing owner check _cancelAuction(targetListing); } else { require(targetListing.endTime < block.timestamp, "cannot close auction before it has ended."); // No `else if` to let auction close in 1 tx when targetListing.tokenOwner == targetBid.offeror. if (_closeFor == targetListing.tokenOwner) { _closeAuctionForAuctionCreator(targetListing, targetBid); } if (_closeFor == targetBid.offeror) { _closeAuctionForBidder(targetListing, targetBid); } } } /// @dev Cancels an auction. function _cancelAuction(Listing memory _targetListing) internal { require(listings[_targetListing.listingId].tokenOwner == _msgSender(), "caller is not the listing creator."); delete listings[_targetListing.listingId]; transferListingTokens(address(this), _targetListing.tokenOwner, _targetListing.quantity, _targetListing); emit AuctionClosed(_targetListing.listingId, _msgSender(), true, _targetListing.tokenOwner, address(0)); } /// @dev Closes an auction for an auction creator; distributes winning bid amount to auction creator. function _closeAuctionForAuctionCreator(Listing memory _targetListing, Offer memory _winningBid) internal { uint256 payoutAmount = _winningBid.pricePerToken * _targetListing.quantity; _targetListing.quantity = 0; _targetListing.endTime = block.timestamp; listings[_targetListing.listingId] = _targetListing; _winningBid.pricePerToken = 0; winningBid[_targetListing.listingId] = _winningBid; payout(address(this), _targetListing.tokenOwner, _targetListing.currency, payoutAmount, _targetListing); emit AuctionClosed( _targetListing.listingId, _msgSender(), false, _targetListing.tokenOwner, _winningBid.offeror ); } /// @dev Closes an auction for the winning bidder; distributes auction items to the winning bidder. function _closeAuctionForBidder(Listing memory _targetListing, Offer memory _winningBid) internal { uint256 quantityToSend = _winningBid.quantityWanted; _targetListing.endTime = block.timestamp; _winningBid.quantityWanted = 0; winningBid[_targetListing.listingId] = _winningBid; listings[_targetListing.listingId] = _targetListing; transferListingTokens(address(this), _winningBid.offeror, quantityToSend, _targetListing); emit AuctionClosed( _targetListing.listingId, _msgSender(), false, _targetListing.tokenOwner, _winningBid.offeror ); } /*/////////////////////////////////////////////////////////////// Shared (direct+auction listings) internal functions //////////////////////////////////////////////////////////////*/ /// @dev Transfers tokens listed for sale in a direct or auction listing. function transferListingTokens( address _from, address _to, uint256 _quantity, Listing memory _listing ) internal { if (_listing.tokenType == TokenType.ERC1155) { IERC1155Upgradeable(_listing.assetContract).safeTransferFrom(_from, _to, _listing.tokenId, _quantity, ""); } else if (_listing.tokenType == TokenType.ERC721) { IERC721Upgradeable(_listing.assetContract).safeTransferFrom(_from, _to, _listing.tokenId, ""); } } /// @dev Pays out stakeholders in a sale. function payout( address _payer, address _payee, address _currencyToUse, uint256 _totalPayoutAmount, Listing memory _listing ) internal { uint256 platformFeeCut = (_totalPayoutAmount * platformFeeBps) / MAX_BPS; (address twFeeRecipient, uint256 twFeeBps) = thirdwebFee.getFeeInfo(address(this), FeeType.MARKET_SALE); uint256 twFeeCut = (_totalPayoutAmount * twFeeBps) / MAX_BPS; uint256 royaltyCut; address royaltyRecipient; // Distribute royalties. See Sushiswap's https://github.com/sushiswap/shoyu/blob/master/contracts/base/BaseExchange.sol#L296 try IERC2981Upgradeable(_listing.assetContract).royaltyInfo(_listing.tokenId, _totalPayoutAmount) returns ( address royaltyFeeRecipient, uint256 royaltyFeeAmount ) { if (royaltyFeeRecipient != address(0) && royaltyFeeAmount > 0) { require(royaltyFeeAmount + platformFeeCut + twFeeCut <= _totalPayoutAmount, "fees exceed the price"); royaltyRecipient = royaltyFeeRecipient; royaltyCut = royaltyFeeAmount; } } catch {} // Distribute price to token owner address _nativeTokenWrapper = nativeTokenWrapper; CurrencyTransferLib.transferCurrencyWithWrapper( _currencyToUse, _payer, platformFeeRecipient, platformFeeCut, _nativeTokenWrapper ); CurrencyTransferLib.transferCurrencyWithWrapper( _currencyToUse, _payer, royaltyRecipient, royaltyCut, _nativeTokenWrapper ); CurrencyTransferLib.transferCurrencyWithWrapper( _currencyToUse, _payer, twFeeRecipient, twFeeCut, _nativeTokenWrapper ); CurrencyTransferLib.transferCurrencyWithWrapper( _currencyToUse, _payer, _payee, _totalPayoutAmount - (platformFeeCut + royaltyCut + twFeeCut), _nativeTokenWrapper ); } /// @dev Validates that `_addrToCheck` owns and has approved markeplace to transfer the appropriate amount of currency function validateERC20BalAndAllowance( address _addrToCheck, address _currency, uint256 _currencyAmountToCheckAgainst ) internal view { require( IERC20Upgradeable(_currency).balanceOf(_addrToCheck) >= _currencyAmountToCheckAgainst && IERC20Upgradeable(_currency).allowance(_addrToCheck, address(this)) >= _currencyAmountToCheckAgainst, "!BAL20" ); } /// @dev Validates that `_tokenOwner` owns and has approved Market to transfer NFTs. function validateOwnershipAndApproval( address _tokenOwner, address _assetContract, uint256 _tokenId, uint256 _quantity, TokenType _tokenType ) internal view { address market = address(this); bool isValid; if (_tokenType == TokenType.ERC1155) { isValid = IERC1155Upgradeable(_assetContract).balanceOf(_tokenOwner, _tokenId) >= _quantity && IERC1155Upgradeable(_assetContract).isApprovedForAll(_tokenOwner, market); } else if (_tokenType == TokenType.ERC721) { isValid = IERC721Upgradeable(_assetContract).ownerOf(_tokenId) == _tokenOwner && (IERC721Upgradeable(_assetContract).getApproved(_tokenId) == market || IERC721Upgradeable(_assetContract).isApprovedForAll(_tokenOwner, market)); } require(isValid, "!BALNFT"); } /// @dev Validates conditions of a direct listing sale. function validateDirectListingSale( Listing memory _listing, address _payer, uint256 _quantityToBuy, address _currency, uint256 settledTotalPrice ) internal { require(_listing.listingType == ListingType.Direct, "cannot buy from listing."); // Check whether a valid quantity of listed tokens is being bought. require( _listing.quantity > 0 && _quantityToBuy > 0 && _quantityToBuy <= _listing.quantity, "invalid amount of tokens." ); // Check if sale is made within the listing window. require(block.timestamp < _listing.endTime && block.timestamp > _listing.startTime, "not within sale window."); // Check: buyer owns and has approved sufficient currency for sale. if (_currency == CurrencyTransferLib.NATIVE_TOKEN) { require(msg.value == settledTotalPrice, "msg.value != price"); } else { validateERC20BalAndAllowance(_payer, _currency, settledTotalPrice); } // Check whether token owner owns and has approved `quantityToBuy` amount of listing tokens from the listing. validateOwnershipAndApproval( _listing.tokenOwner, _listing.assetContract, _listing.tokenId, _quantityToBuy, _listing.tokenType ); } /*/////////////////////////////////////////////////////////////// Getter functions //////////////////////////////////////////////////////////////*/ /// @dev Enforces quantity == 1 if tokenType is TokenType.ERC721. function getSafeQuantity(TokenType _tokenType, uint256 _quantityToCheck) internal pure returns (uint256 safeQuantity) { if (_quantityToCheck == 0) { safeQuantity = 0; } else { safeQuantity = _tokenType == TokenType.ERC721 ? 1 : _quantityToCheck; } } /// @dev Returns the interface supported by a contract. function getTokenType(address _assetContract) internal view returns (TokenType tokenType) { if (IERC165Upgradeable(_assetContract).supportsInterface(type(IERC1155Upgradeable).interfaceId)) { tokenType = TokenType.ERC1155; } else if (IERC165Upgradeable(_assetContract).supportsInterface(type(IERC721Upgradeable).interfaceId)) { tokenType = TokenType.ERC721; } else { revert("token must be ERC1155 or ERC721."); } } /// @dev Returns the platform fee recipient and bps. function getPlatformFeeInfo() external view returns (address, uint16) { return (platformFeeRecipient, uint16(platformFeeBps)); } /*/////////////////////////////////////////////////////////////// Setter functions //////////////////////////////////////////////////////////////*/ /// @dev Lets a contract admin update platform fee recipient and bps. function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external onlyRole(DEFAULT_ADMIN_ROLE) { require(_platformFeeBps <= MAX_BPS, "bps <= 10000."); platformFeeBps = uint64(_platformFeeBps); platformFeeRecipient = _platformFeeRecipient; emit PlatformFeeInfoUpdated(_platformFeeRecipient, _platformFeeBps); } /// @dev Lets a contract admin set auction buffers. function setAuctionBuffers(uint256 _timeBuffer, uint256 _bidBufferBps) external onlyRole(DEFAULT_ADMIN_ROLE) { require(_bidBufferBps < MAX_BPS, "invalid BPS."); timeBuffer = uint64(_timeBuffer); bidBufferBps = uint64(_bidBufferBps); emit AuctionBuffersUpdated(_timeBuffer, _bidBufferBps); } /// @dev Lets a contract admin set the URI for the contract-level metadata. function setContractURI(string calldata _uri) external onlyRole(DEFAULT_ADMIN_ROLE) { contractURI = _uri; } /*/////////////////////////////////////////////////////////////// Miscellaneous //////////////////////////////////////////////////////////////*/ function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address sender) { return ERC2771ContextUpgradeable._msgSender(); } function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) { return ERC2771ContextUpgradeable._msgData(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20Upgradeable { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165Upgradeable.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155Upgradeable is IERC165Upgradeable { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165Upgradeable.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721Upgradeable is IERC165Upgradeable { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165Upgradeable.sol"; /** * @dev _Available since v3.1._ */ interface IERC1155ReceiverUpgradeable is IERC165Upgradeable { /** * @dev Handles the receipt of a single ERC1155 token type. This function is * called at the end of a `safeTransferFrom` after the balance has been updated. * * NOTE: To accept the transfer, this must return * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` * (i.e. 0xf23a6e61, or its own function selector). * * @param operator The address which initiated the transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param id The ID of the token being transferred * @param value The amount of tokens being transferred * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); /** * @dev Handles the receipt of a multiple ERC1155 token types. This function * is called at the end of a `safeBatchTransferFrom` after the balances have * been updated. * * NOTE: To accept the transfer(s), this must return * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` * (i.e. 0xbc197c81, or its own function selector). * * @param operator The address which initiated the batch transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param ids An array containing ids of each token being transferred (order and length must match values array) * @param values An array containing amounts of each token being transferred (order and length must match ids array) * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721ReceiverUpgradeable { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // 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 IERC165Upgradeable { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "./IERC165Upgradeable.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 IERC2981Upgradeable is IERC165Upgradeable { /** * @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 payed in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol) pragma solidity ^0.8.0; import "./IAccessControlEnumerableUpgradeable.sol"; import "./AccessControlUpgradeable.sol"; import "../utils/structs/EnumerableSetUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Extension of {AccessControl} that allows enumerating the members of each role. */ abstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable { function __AccessControlEnumerable_init() internal onlyInitializing { } function __AccessControlEnumerable_init_unchained() internal onlyInitializing { } using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet; mapping(bytes32 => EnumerableSetUpgradeable.AddressSet) private _roleMembers; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlEnumerableUpgradeable).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); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @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 ReentrancyGuardUpgradeable is Initializable { // 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; function __ReentrancyGuard_init() internal onlyInitializing { __ReentrancyGuard_init_unchained(); } function __ReentrancyGuard_init_unchained() internal onlyInitializing { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol) pragma solidity ^0.8.0; import "./AddressUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Provides a function to batch together multiple calls in a single external call. * * _Available since v4.1._ */ abstract contract MulticallUpgradeable is Initializable { function __Multicall_init() internal onlyInitializing { } function __Multicall_init_unchained() internal onlyInitializing { } /** * @dev Receives and executes a batch of function calls on this contract. */ function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) { results = new bytes[](data.length); for (uint256 i = 0; i < data.length; i++) { results[i] = _functionDelegateCall(address(this), data[i]); } return results; } /** * @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) private returns (bytes memory) { require(AddressUpgradeable.isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return AddressUpgradeable.verifyCallResult(success, returndata, "Address: low-level delegate call failed"); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; import "../IThirdwebContract.sol"; import "../../feature/interface/IPlatformFee.sol"; interface IMarketplace is IThirdwebContract, IPlatformFee { /// @notice Type of the tokens that can be listed for sale. enum TokenType { ERC1155, ERC721 } /** * @notice The two types of listings. * `Direct`: NFTs listed for sale at a fixed price. * `Auction`: NFTs listed for sale in an auction. */ enum ListingType { Direct, Auction } /** * @notice The information related to either (1) an offer on a direct listing, or (2) a bid in an auction. * * @dev The type of the listing at ID `lisingId` determins how the `Offer` is interpreted. * If the listing is of type `Direct`, the `Offer` is interpreted as an offer to a direct listing. * If the listing is of type `Auction`, the `Offer` is interpreted as a bid in an auction. * * @param listingId The uid of the listing the offer is made to. * @param offeror The account making the offer. * @param quantityWanted The quantity of tokens from the listing wanted by the offeror. * This is the entire listing quantity if the listing is an auction. * @param currency The currency in which the offer is made. * @param pricePerToken The price per token offered to the lister. * @param expirationTimestamp The timestamp after which a seller cannot accept this offer. */ struct Offer { uint256 listingId; address offeror; uint256 quantityWanted; address currency; uint256 pricePerToken; uint256 expirationTimestamp; } /** * @dev For use in `createListing` as a parameter type. * * @param assetContract The contract address of the NFT to list for sale. * @param tokenId The tokenId on `assetContract` of the NFT to list for sale. * @param startTime The unix timestamp after which the listing is active. For direct listings: * 'active' means NFTs can be bought from the listing. For auctions, * 'active' means bids can be made in the auction. * * @param secondsUntilEndTime No. of seconds after `startTime`, after which the listing is inactive. * For direct listings: 'inactive' means NFTs cannot be bought from the listing. * For auctions: 'inactive' means bids can no longer be made in the auction. * * @param quantityToList The quantity of NFT of ID `tokenId` on the given `assetContract` to list. For * ERC 721 tokens to list for sale, the contract strictly defaults this to `1`, * Regardless of the value of `quantityToList` passed. * * @param currencyToAccept For direct listings: the currency in which a buyer must pay the listing's fixed price * to buy the NFT(s). For auctions: the currency in which the bidders must make bids. * * @param reservePricePerToken For direct listings: this value is ignored. For auctions: the minimum bid amount of * the auction is `reservePricePerToken * quantityToList` * * @param buyoutPricePerToken For direct listings: interpreted as 'price per token' listed. For auctions: if * `buyoutPricePerToken` is greater than 0, and a bidder's bid is at least as great as * `buyoutPricePerToken * quantityToList`, the bidder wins the auction, and the auction * is closed. * * @param listingType The type of listing to create - a direct listing or an auction. **/ struct ListingParameters { address assetContract; uint256 tokenId; uint256 startTime; uint256 secondsUntilEndTime; uint256 quantityToList; address currencyToAccept; uint256 reservePricePerToken; uint256 buyoutPricePerToken; ListingType listingType; } /** * @notice The information related to a listing; either (1) a direct listing, or (2) an auction listing. * * @dev For direct listings: * (1) `reservePricePerToken` is ignored. * (2) `buyoutPricePerToken` is simply interpreted as 'price per token'. * * @param listingId The uid for the listing. * * @param tokenOwner The owner of the tokens listed for sale. * * @param assetContract The contract address of the NFT to list for sale. * @param tokenId The tokenId on `assetContract` of the NFT to list for sale. * @param startTime The unix timestamp after which the listing is active. For direct listings: * 'active' means NFTs can be bought from the listing. For auctions, * 'active' means bids can be made in the auction. * * @param endTime The timestamp after which the listing is inactive. * For direct listings: 'inactive' means NFTs cannot be bought from the listing. * For auctions: 'inactive' means bids can no longer be made in the auction. * * @param quantity The quantity of NFT of ID `tokenId` on the given `assetContract` listed. For * ERC 721 tokens to list for sale, the contract strictly defaults this to `1`, * Regardless of the value of `quantityToList` passed. * * @param currency For direct listings: the currency in which a buyer must pay the listing's fixed price * to buy the NFT(s). For auctions: the currency in which the bidders must make bids. * * @param reservePricePerToken For direct listings: this value is ignored. For auctions: the minimum bid amount of * the auction is `reservePricePerToken * quantityToList` * * @param buyoutPricePerToken For direct listings: interpreted as 'price per token' listed. For auctions: if * `buyoutPricePerToken` is greater than 0, and a bidder's bid is at least as great as * `buyoutPricePerToken * quantityToList`, the bidder wins the auction, and the auction * is closed. * * @param tokenType The type of the token(s) listed for for sale -- ERC721 or ERC1155 * * @param listingType The type of listing to create - a direct listing or an auction. **/ struct Listing { uint256 listingId; address tokenOwner; address assetContract; uint256 tokenId; uint256 startTime; uint256 endTime; uint256 quantity; address currency; uint256 reservePricePerToken; uint256 buyoutPricePerToken; TokenType tokenType; ListingType listingType; } /// @dev Emitted when a new listing is created. event ListingAdded( uint256 indexed listingId, address indexed assetContract, address indexed lister, Listing listing ); /// @dev Emitted when the parameters of a listing are updated. event ListingUpdated(uint256 indexed listingId, address indexed listingCreator); /// @dev Emitted when a listing is cancelled. event ListingRemoved(uint256 indexed listingId, address indexed listingCreator); /** * @dev Emitted when a buyer buys from a direct listing, or a lister accepts some * buyer's offer to their direct listing. */ event NewSale( uint256 indexed listingId, address indexed assetContract, address indexed lister, address buyer, uint256 quantityBought, uint256 totalPricePaid ); /// @dev Emitted when (1) a new offer is made to a direct listing, or (2) when a new bid is made in an auction. event NewOffer( uint256 indexed listingId, address indexed offeror, ListingType indexed listingType, uint256 quantityWanted, uint256 totalOfferAmount, address currency ); /// @dev Emitted when an auction is closed. event AuctionClosed( uint256 indexed listingId, address indexed closer, bool indexed cancelled, address auctionCreator, address winningBidder ); /// @dev Emitted when auction buffers are updated. event AuctionBuffersUpdated(uint256 timeBuffer, uint256 bidBufferBps); /** * @notice Lets a token owner list tokens (ERC 721 or ERC 1155) for sale in a direct listing, or an auction. * * @dev NFTs to list for sale in an auction are escrowed in Marketplace. For direct listings, the contract * only checks whether the listing's creator owns and has approved Marketplace to transfer the NFTs to list. * * @param _params The parameters that govern the listing to be created. */ function createListing(ListingParameters memory _params) external; /** * @notice Lets a listing's creator edit the listing's parameters. A direct listing can be edited whenever. * An auction listing cannot be edited after the auction has started. * * @param _listingId The uid of the lisitng to edit. * * @param _quantityToList The amount of NFTs to list for sale in the listing. For direct lisitngs, the contract * only checks whether the listing creator owns and has approved Marketplace to transfer * `_quantityToList` amount of NFTs to list for sale. For auction listings, the contract * ensures that exactly `_quantityToList` amount of NFTs to list are escrowed. * * @param _reservePricePerToken For direct listings: this value is ignored. For auctions: the minimum bid amount of * the auction is `reservePricePerToken * quantityToList` * * @param _buyoutPricePerToken For direct listings: interpreted as 'price per token' listed. For auctions: if * `buyoutPricePerToken` is greater than 0, and a bidder's bid is at least as great as * `buyoutPricePerToken * quantityToList`, the bidder wins the auction, and the auction * is closed. * * @param _currencyToAccept For direct listings: the currency in which a buyer must pay the listing's fixed price * to buy the NFT(s). For auctions: the currency in which the bidders must make bids. * * @param _startTime The unix timestamp after which listing is active. For direct listings: * 'active' means NFTs can be bought from the listing. For auctions, * 'active' means bids can be made in the auction. * * @param _secondsUntilEndTime No. of seconds after the provided `_startTime`, after which the listing is inactive. * For direct listings: 'inactive' means NFTs cannot be bought from the listing. * For auctions: 'inactive' means bids can no longer be made in the auction. */ function updateListing( uint256 _listingId, uint256 _quantityToList, uint256 _reservePricePerToken, uint256 _buyoutPricePerToken, address _currencyToAccept, uint256 _startTime, uint256 _secondsUntilEndTime ) external; /** * @notice Lets a direct listing creator cancel their listing. * * @param _listingId The unique Id of the lisitng to cancel. */ function cancelDirectListing(uint256 _listingId) external; /** * @notice Lets someone buy a given quantity of tokens from a direct listing by paying the fixed price. * * @param _listingId The uid of the direct lisitng to buy from. * @param _buyFor The receiver of the NFT being bought. * @param _quantity The amount of NFTs to buy from the direct listing. * @param _currency The currency to pay the price in. * @param _totalPrice The total price to pay for the tokens being bought. * * @dev A sale will fail to execute if either: * (1) buyer does not own or has not approved Marketplace to transfer the appropriate * amount of currency (or hasn't sent the appropriate amount of native tokens) * * (2) the lister does not own or has removed Markeplace's * approval to transfer the tokens listed for sale. */ function buy( uint256 _listingId, address _buyFor, uint256 _quantity, address _currency, uint256 _totalPrice ) external payable; /** * @notice Lets someone make an offer to a direct listing, or bid in an auction. * * @dev Each (address, listing ID) pair maps to a single unique offer. So e.g. if a buyer makes * makes two offers to the same direct listing, the last offer is counted as the buyer's * offer to that listing. * * @param _listingId The unique ID of the lisitng to make an offer/bid to. * * @param _quantityWanted For auction listings: the 'quantity wanted' is the total amount of NFTs * being auctioned, regardless of the value of `_quantityWanted` passed. * For direct listings: `_quantityWanted` is the quantity of NFTs from the * listing, for which the offer is being made. * * @param _currency For auction listings: the 'currency of the bid' is the currency accepted * by the auction, regardless of the value of `_currency` passed. For direct * listings: this is the currency in which the offer is made. * * @param _pricePerToken For direct listings: offered price per token. For auction listings: the bid * amount per token. The total offer/bid amount is `_quantityWanted * _pricePerToken`. * * @param _expirationTimestamp For aution listings: inapplicable. For direct listings: The timestamp after which * the seller can no longer accept the offer. */ function offer( uint256 _listingId, uint256 _quantityWanted, address _currency, uint256 _pricePerToken, uint256 _expirationTimestamp ) external payable; /** * @notice Lets a listing's creator accept an offer to their direct listing. * @param _listingId The unique ID of the listing for which to accept the offer. * @param _offeror The address of the buyer whose offer is to be accepted. * @param _currency The currency of the offer that is to be accepted. * @param _totalPrice The total price of the offer that is to be accepted. */ function acceptOffer( uint256 _listingId, address _offeror, address _currency, uint256 _totalPrice ) external; /** * @notice Lets any account close an auction on behalf of either the (1) auction's creator, or (2) winning bidder. * For (1): The auction creator is sent the the winning bid amount. * For (2): The winning bidder is sent the auctioned NFTs. * * @param _listingId The uid of the listing (the auction to close). * @param _closeFor For whom the auction is being closed - the auction creator or winning bidder. */ function closeAuction(uint256 _listingId, address _closeFor) external; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; interface ITWFee { function getFeeInfo(address _proxy, uint256 _type) external view returns (address recipient, uint256 bps); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.0 (metatx/ERC2771Context.sol) pragma solidity ^0.8.11; import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; /** * @dev Context variant with ERC2771 support. */ abstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable { mapping(address => bool) private _trustedForwarder; function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing { __Context_init_unchained(); __ERC2771Context_init_unchained(trustedForwarder); } function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing { for (uint256 i = 0; i < trustedForwarder.length; i++) { _trustedForwarder[trustedForwarder[i]] = true; } } function isTrustedForwarder(address forwarder) public view virtual returns (bool) { return _trustedForwarder[forwarder]; } function _msgSender() internal view virtual override returns (address sender) { if (isTrustedForwarder(msg.sender)) { // The assembly code is more direct than the Solidity version using `abi.decode`. assembly { sender := shr(96, calldataload(sub(calldatasize(), 20))) } } else { return super._msgSender(); } } function _msgData() internal view virtual override returns (bytes calldata) { if (isTrustedForwarder(msg.sender)) { return msg.data[:msg.data.length - 20]; } else { return super._msgData(); } } uint256[49] private __gap; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; // Helper interfaces import { IWETH } from "../interfaces/IWETH.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol"; library CurrencyTransferLib { using SafeERC20Upgradeable for IERC20Upgradeable; /// @dev The address interpreted as native token of the chain. address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; /// @dev Transfers a given amount of currency. function transferCurrency( address _currency, address _from, address _to, uint256 _amount ) internal { if (_amount == 0) { return; } if (_currency == NATIVE_TOKEN) { safeTransferNativeToken(_to, _amount); } else { safeTransferERC20(_currency, _from, _to, _amount); } } /// @dev Transfers a given amount of currency. (With native token wrapping) function transferCurrencyWithWrapper( address _currency, address _from, address _to, uint256 _amount, address _nativeTokenWrapper ) internal { if (_amount == 0) { return; } if (_currency == NATIVE_TOKEN) { if (_from == address(this)) { // withdraw from weth then transfer withdrawn native token to recipient IWETH(_nativeTokenWrapper).withdraw(_amount); safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper); } else if (_to == address(this)) { // store native currency in weth require(_amount == msg.value, "msg.value != amount"); IWETH(_nativeTokenWrapper).deposit{ value: _amount }(); } else { safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper); } } else { safeTransferERC20(_currency, _from, _to, _amount); } } /// @dev Transfer `amount` of ERC20 token from `from` to `to`. function safeTransferERC20( address _currency, address _from, address _to, uint256 _amount ) internal { if (_from == _to) { return; } if (_from == address(this)) { IERC20Upgradeable(_currency).safeTransfer(_to, _amount); } else { IERC20Upgradeable(_currency).safeTransferFrom(_from, _to, _amount); } } /// @dev Transfers `amount` of native token to `to`. function safeTransferNativeToken(address to, uint256 value) internal { // solhint-disable avoid-low-level-calls // slither-disable-next-line low-level-calls (bool success, ) = to.call{ value: value }(""); require(success, "native token transfer failed"); } /// @dev Transfers `amount` of native token to `to`. (With native token wrapping) function safeTransferNativeTokenWithWrapper( address to, uint256 value, address _nativeTokenWrapper ) internal { // solhint-disable avoid-low-level-calls // slither-disable-next-line low-level-calls (bool success, ) = to.call{ value: value }(""); if (!success) { IWETH(_nativeTokenWrapper).deposit{ value: value }(); IERC20Upgradeable(_nativeTokenWrapper).safeTransfer(to, value); } } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; library FeeType { uint256 internal constant PRIMARY_SALE = 0; uint256 internal constant MARKET_SALE = 1; uint256 internal constant SPLIT = 2; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165Upgradeable.sol";
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol) pragma solidity ^0.8.0; import "./IAccessControlUpgradeable.sol"; /** * @dev External interface of AccessControlEnumerable declared to support ERC165 detection. */ interface IAccessControlEnumerableUpgradeable is IAccessControlUpgradeable { /** * @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 v4.5.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControlUpgradeable.sol"; import "../utils/ContextUpgradeable.sol"; import "../utils/StringsUpgradeable.sol"; import "../utils/introspection/ERC165Upgradeable.sol"; import "../proxy/utils/Initializable.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 AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable { function __AccessControl_init() internal onlyInitializing { } function __AccessControl_init_unchained() internal onlyInitializing { } 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})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role, _msgSender()); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", StringsUpgradeable.toHexString(uint160(account), 20), " is missing role ", StringsUpgradeable.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. */ 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. */ 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`. */ 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. * * [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. */ 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. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol) pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. */ library EnumerableSetUpgradeable { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.0; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() initializer {} * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. */ bool private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Modifier to protect an initializer function from being invoked twice. */ modifier initializer() { // If the contract is initializing we ignore whether _initialized is set in order to support multiple // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the // contract may have been reentered. require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized"); bool isTopLevelCall = !_initializing; if (isTopLevelCall) { _initializing = true; _initialized = true; } _; if (isTopLevelCall) { _initializing = false; } } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} modifier, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } function _isConstructor() private view returns (bool) { return !AddressUpgradeable.isContract(address(this)); } }
// 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 IAccessControlUpgradeable { /** * @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 v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library StringsUpgradeable { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165Upgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable { function __ERC165_init() internal onlyInitializing { } function __ERC165_init_unchained() internal onlyInitializing { } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165Upgradeable).interfaceId; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; interface IThirdwebContract { /// @dev Returns the module type of the contract. function contractType() external pure returns (bytes32); /// @dev Returns the version of the contract. function contractVersion() external pure returns (uint8); /// @dev Returns the metadata URI of the contract. function contractURI() external view returns (string memory); /** * @dev Sets contract URI for the storefront-level metadata of the contract. * Only module admin can call this function. */ function setContractURI(string calldata _uri) external; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; interface IPlatformFee { /// @dev Returns the platform fee bps and recipient. function getPlatformFeeInfo() external view returns (address, uint16); /// @dev Lets a module admin update the fees on primary sales. function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external; /// @dev Emitted when fee on primary sales is updated. event PlatformFeeInfoUpdated(address platformFeeRecipient, uint256 platformFeeBps); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; interface IWETH { function deposit() external payable; function withdraw(uint256 amount) external; function transfer(address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20Upgradeable.sol"; import "../../../utils/AddressUpgradeable.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20Upgradeable { using AddressUpgradeable for address; function safeTransfer( IERC20Upgradeable token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20Upgradeable token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20Upgradeable token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20Upgradeable token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20Upgradeable token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20Upgradeable token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
{ "metadata": { "bytecodeHash": "none" }, "optimizer": { "enabled": true, "runs": 800 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.