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Latest 25 from a total of 98 transactions
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Settle Auction | 15055975 | 846 days ago | IN | 0 ETH | 0.00292606 | ||||
Pause | 15055968 | 846 days ago | IN | 0 ETH | 0.00088642 | ||||
Create Bid | 15055601 | 846 days ago | IN | 0.01 ETH | 0.00180654 | ||||
Settle Current A... | 15049815 | 847 days ago | IN | 0 ETH | 0.00882788 | ||||
Add Renderer | 15049812 | 847 days ago | IN | 0 ETH | 0.00381711 | ||||
Create Bid | 15047018 | 848 days ago | IN | 0.012 ETH | 0.00813659 | ||||
Create Bid | 15044804 | 848 days ago | IN | 0.0111 ETH | 0.0016168 | ||||
Settle Current A... | 15041785 | 849 days ago | IN | 0 ETH | 0.00801347 | ||||
Add Renderer | 15041589 | 849 days ago | IN | 0 ETH | 0.00525436 | ||||
Settle Current A... | 15036315 | 850 days ago | IN | 0 ETH | 0.01237148 | ||||
Add Beneficiary | 15036308 | 850 days ago | IN | 0 ETH | 0.00547194 | ||||
Remove Available... | 15036304 | 850 days ago | IN | 0 ETH | 0.00247 | ||||
Add Renderer | 15036286 | 850 days ago | IN | 0 ETH | 0.0081106 | ||||
Settle Current A... | 15028022 | 851 days ago | IN | 0 ETH | 0.00759849 | ||||
Settle Current A... | 15020790 | 853 days ago | IN | 0 ETH | 0.00802668 | ||||
Settle Current A... | 15015348 | 854 days ago | IN | 0 ETH | 0.00644519 | ||||
Create Bid | 15013581 | 854 days ago | IN | 0.05 ETH | 0.00398753 | ||||
Settle Current A... | 15010014 | 855 days ago | IN | 0 ETH | 0.00597261 | ||||
Settle Current A... | 15004672 | 856 days ago | IN | 0 ETH | 0.00841445 | ||||
Settle Current A... | 14999142 | 857 days ago | IN | 0 ETH | 0.01292641 | ||||
Settle Current A... | 14993263 | 858 days ago | IN | 0 ETH | 0.00493223 | ||||
Create Bid | 14990784 | 858 days ago | IN | 0.02 ETH | 0.00222874 | ||||
Settle Current A... | 14987480 | 859 days ago | IN | 0 ETH | 0.01325133 | ||||
Settle Current A... | 14981356 | 860 days ago | IN | 0 ETH | 0.01128888 | ||||
Create Bid | 14979605 | 860 days ago | IN | 0.0111 ETH | 0.00273616 |
Latest 25 internal transactions (View All)
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15055975 | 846 days ago | 0.009 ETH | ||||
15055975 | 846 days ago | 0.001 ETH | ||||
15049815 | 847 days ago | 0.0108 ETH | ||||
15049815 | 847 days ago | 0.0012 ETH | ||||
15047018 | 848 days ago | 0.0111 ETH | ||||
15015348 | 854 days ago | 0.045 ETH | ||||
15015348 | 854 days ago | 0.005 ETH | ||||
14993263 | 858 days ago | 0.018 ETH | ||||
14993263 | 858 days ago | 0.002 ETH | ||||
14981356 | 860 days ago | 0.00999 ETH | ||||
14981356 | 860 days ago | 0.00111 ETH | ||||
14975429 | 861 days ago | 0.0225 ETH | ||||
14975429 | 861 days ago | 0.0025 ETH | ||||
14969571 | 862 days ago | 0.045 ETH | ||||
14969571 | 862 days ago | 0.005 ETH | ||||
14963816 | 863 days ago | 0.027 ETH | ||||
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14958009 | 864 days ago | 0.135 ETH | ||||
14958009 | 864 days ago | 0.015 ETH | ||||
14957346 | 864 days ago | 0.1 ETH | ||||
14952185 | 865 days ago | 0.0477 ETH | ||||
14952185 | 865 days ago | 0.0053 ETH | ||||
14952120 | 865 days ago | 0.05 ETH | ||||
14950342 | 865 days ago | 0.01 ETH | ||||
14946315 | 866 days ago | 0.02997 ETH |
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Contract Name:
PrideModule
Compiler Version
v0.8.12+commit.f00d7308
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.8.6; import {EnumerableSet} from '@openzeppelin/contracts/utils/structs/EnumerableSet.sol'; import {Strings} from '@openzeppelin/contracts/utils/Strings.sol'; import {INFModule, NFBaseModule, ERC165, IERC165} from '@0xdievardump/niftyforge/contracts/Modules/NFBaseModule.sol'; import {INFModuleTokenURI} from '@0xdievardump/niftyforge/contracts/Modules/INFModuleTokenURI.sol'; import {INFModuleWithRoyalties} from '@0xdievardump/niftyforge/contracts/Modules/INFModuleWithRoyalties.sol'; import {INiftyForge721} from '@0xdievardump/niftyforge/contracts/INiftyForge721.sol'; import {IBokkyPooBahsDateTimeContract} from './interfaces/IBokkyPooBahsDateTimeContract.sol'; import {NiftyPrideAuctionHouse} from './NiftyPrideAuctionHouse.sol'; import {IRenderer} from './Renderers/IRenderer.sol'; import {Base64} from './utils/Base64.sol'; contract PrideModule is NFBaseModule, INFModuleTokenURI, INFModuleWithRoyalties, NiftyPrideAuctionHouse { using EnumerableSet for EnumerableSet.AddressSet; using Strings for uint256; error InvalidParameter(); error RendererExists(); error UnknownRenderer(); error TooLate(); error InvalidDate(); error NotAuthorized(); struct Renderer { address creator; // the renderer creator uint32 royalties; // the renderer royalties uint32 remainingUse; // how many times this renderer can be used } struct TokenMeta { address renderer; // the renderer for this token; uint96 creation; bytes32 seed; // the seed for this token } mapping(address => Renderer) public renderers; mapping(uint256 => TokenMeta) public tokensMeta; EnumerableSet.AddressSet internal _availableRenderers; EnumerableSet.AddressSet internal _beneficiaries; uint256 beneficiaryIndex; // The ERC721 token contract address public nftContract; constructor(address weth_) NFBaseModule('') NiftyPrideAuctionHouse(weth_) {} //////////////////////////////////////////////////// ///// Module // //////////////////////////////////////////////////// /// @inheritdoc INFModule function onAttach() external virtual override returns (bool) { if (nftContract == address(0)) { nftContract = msg.sender; return true; } // only allows attachment if nftContract if not set return false; } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(INFModuleTokenURI).interfaceId || interfaceId == type(INFModuleWithRoyalties).interfaceId || super.supportsInterface(interfaceId); } /// @inheritdoc INFModuleWithRoyalties function royaltyInfo(address, uint256 tokenId) public view override returns (address, uint256) { TokenMeta memory tokenMeta = tokensMeta[tokenId]; Renderer memory renderer = renderers[tokenMeta.renderer]; return (renderer.creator, uint256(renderer.royalties)); } /// @inheritdoc INFModuleTokenURI function tokenURI(address, uint256 tokenId) public view override returns (string memory) { TokenMeta memory tokenMeta = tokensMeta[tokenId]; (string memory imageURI, string memory animationURI) = IRenderer( tokenMeta.renderer ).render(tokenMeta.seed); return Base64.toB64JSON( abi.encodePacked( '{"name":"Pride | ', _getDate(tokenMeta.creation), '","description":"', IRenderer(tokenMeta.renderer).description(), '","image":"', imageURI, '"', ( bytes(animationURI).length > 0 ? abi.encodePacked( ',"animation_url":"', animationURI, '"' ) : bytes('') ), '}' ) ); } //////////////////////////////////////////////////// ///// Getters // //////////////////////////////////////////////////// function getAvailableRenderers() external view returns (Renderer[] memory availableRenderers) { uint256 length = _availableRenderers.length(); availableRenderers = new Renderer[](length); for (uint256 i; i < length; i++) { availableRenderers[i] = renderers[_availableRenderers.at(i)]; } } //////////////////////////////////////////////////// ///// Setters // //////////////////////////////////////////////////// /// @notice allows a renderer creator to change where the renderer points (for Royalties purpose mainly) /// @param renderer the renderer to edit /// @param creator the new creator address function setRendererCreator(address renderer, address creator) external { if (msg.sender != renderers[renderer].creator) { revert NotAuthorized(); } renderers[renderer].creator = creator; } //////////////////////////////////////////////////// ///// Misc // //////////////////////////////////////////////////// function onERC721Received( address operator, address, uint256, bytes memory ) public view returns (bytes4) { // if not our nftContract and not a mint if (msg.sender != nftContract || operator != address(this)) { revert NotAuthorized(); } return this.onERC721Received.selector; } //////////////////////////////////////////////////// ///// Owner // //////////////////////////////////////////////////// /// @notice allows owner to start the first auction which is a bit special. function startFirst() external onlyOwner { uint256 tokenId = _mintNext(); if (tokenId != 1) revert TooLate(); // forcing the first auction timestamp at June 1st 3PM UTC because I started this project late late on // June 1st 2022 and I am not sure I can deploy before June 2nd uint256 startTime = 1654095600; uint256 endTime = startTime + duration; tokensMeta[tokenId].creation = uint96(startTime); auction = Auction({ tokenId: tokenId, amount: 0, startTime: startTime, endTime: endTime, bidder: payable(0), settled: false }); emit AuctionCreated(tokenId, startTime, endTime); _unpause(); } /// @notice allows owner to add a new renderer contract function addRenderer( address renderer, address creator, uint32 royalties, uint32 times ) public onlyOwner { if (times == 0) revert InvalidParameter(); if (creator == address(0)) revert InvalidParameter(); if (renderers[renderer].creator != address(0)) revert RendererExists(); renderers[renderer] = Renderer(creator, royalties, times); _availableRenderers.add(renderer); } /// @notice allows owner to remove a contract from the available renderers function removeAvailableRenderer(address renderer) external onlyOwner { if (!_availableRenderers.remove(renderer)) revert UnknownRenderer(); } /// @notice adds `beneficiary` to the list of beneficiaries /// @param beneficiary the new beneficiary function addBeneficiary(address beneficiary) public onlyOwner { if (beneficiary == address(0)) revert InvalidParameter(); if (!_beneficiaries.add(beneficiary)) revert InvalidParameter(); } /// @notice removes `beneficiary` from the list of beneficiaries /// @param beneficiary the beneficiary to remove function removeBeneficiary(address beneficiary) public onlyOwner { if (!_beneficiaries.remove(beneficiary)) revert InvalidParameter(); } //////////////////////////////////////////////////// ///// Internals // //////////////////////////////////////////////////// function _createAuction() internal override { (uint256 year, uint256 month, ) = _getYearMonthDay(block.timestamp); // only June 2022 for this contract. if (year != 2022 || month != 6) { revert InvalidDate(); } super._createAuction(); } /// @dev internal function to allow transfer to revenue recipient(s) function _transferToRecipients(uint256 tokenId, uint256 amount) internal virtual override { uint256 creatorShare = (amount * 10) / 100; // transfer 10% to the creator of the Renderer linked the the NFT _safeTransferETHWithFallback( renderers[tokensMeta[tokenId].renderer].creator, creatorShare ); // transfer what's left to the next "beneficiary" in the list of all beneficiaries _safeTransferETHWithFallback(_nextBeneficiary(), amount - creatorShare); } function _mintNext() internal override returns (uint256) { uint256 tokenId = INiftyForge721(nftContract).mint(address(this)); bytes32 seed = keccak256( abi.encodePacked( msg.sender, block.timestamp, block.difficulty, tokenId ) ); address renderer = _availableRenderers.at( uint256(seed) % _availableRenderers.length() ); // decrement the remaining use for this renderer if (--renderers[renderer].remainingUse == 0) { // and remove this renderer from the list of available renderers if 0 _availableRenderers.remove(renderer); } tokensMeta[tokenId] = TokenMeta({ renderer: renderer, creation: uint96(block.timestamp), seed: seed }); return tokenId; } function _getRegistry() internal view override returns (address) { return nftContract; } function _getDate(uint256 timestamp) internal view returns (string memory) { (uint256 year, uint256 month, uint256 day) = _getYearMonthDay( timestamp ); return string( abi.encodePacked( year.toString(), '/', month.toString(), '/', day.toString() ) ); } function _getYearMonthDay(uint256 timestamp) internal view returns ( uint256 year, uint256 month, uint256 day ) { address bokky; if (block.chainid == 1) { bokky = address(0x23d23d8F243e57d0b924bff3A3191078Af325101); } else if (block.chainid == 4) { bokky = address(0x047C6386C30E785F7a8fd536945410802a605395); } if (address(0) != bokky) { (year, month, day, , , ) = IBokkyPooBahsDateTimeContract(bokky) .timestampToDateTime(timestamp); } else { // force 2022-06 for chainid not 1 or 4 year = 2022; month = 6; } } function _nextBeneficiary() internal returns (address) { uint256 length = _beneficiaries.length(); uint256 beneficiaryIndex_ = beneficiaryIndex; address beneficiary = _beneficiaries.at(beneficiaryIndex_ % length); beneficiaryIndex = (beneficiaryIndex_ + 1) % length; return beneficiary; } }
//SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import './NFT/IERC721Full.sol'; /// @title INiftyForge721 /// @author Simon Fremaux (@dievardump) /// @notice Interface to interact with a NiftyFroge721 on a network interface INiftyForge721 is IERC721Full { struct ModuleInit { address module; bool enabled; bool minter; } /// @notice this is the constructor of the contract, called at the time of creation /// Although it uses what are called upgradeable contracts, this is only to /// be able to make deployment cheap using a Proxy but NiftyForge contracts /// ARE NOT UPGRADEABLE => the proxy used is not an upgradeable proxy, the implementation is immutable /// @param name_ name of the contract (see ERC721) /// @param symbol_ symbol of the contract (see ERC721) /// @param contractURI_ The contract URI (containing its metadata) - can be empty "" /// @param baseURI_ the contract baseURI (if there is) - can be empty "" /// @param owner_ Address to whom transfer ownership /// @param modulesInit_ modules to add / enable directly at creation /// @param contractRoyaltiesRecipient the recipient, if the contract has "contract wide royalties" /// @param contractRoyaltiesValue the value, modules to add / enable directly at creation function initialize( string memory name_, string memory symbol_, string memory contractURI_, string memory baseURI_, address owner_, ModuleInit[] memory modulesInit_, address contractRoyaltiesRecipient, uint256 contractRoyaltiesValue ) external; /// @notice getter for the version of the implementation /// @return the current implementation version following the scheme 0x[erc][type][version] /// erc: 00 => ERC721 | 01 => ERC1155 /// type: 00 => full | 01 => slim /// version: 00, 01, 02, 03... function version() external view returns (bytes3); /// @notice totalSupply access function totalSupply() external view returns (uint256); /// @notice helper to know if everyone can mint or only minters function isMintingOpenToAll() external view returns (bool); /// @notice Toggle minting open to all state /// @param isOpen if the new state is open or not function setMintingOpenToAll(bool isOpen) external; /// @notice Allows to set a maximum number of mint possible function setMaxSupply(uint256 maxSupply_) external; /// @notice Mint next token to `to` /// @param to address of recipient /// @return tokenId the tokenId function mint(address to) external returns (uint256 tokenId); /// @notice Mint next token to `to` and then transfers to `transferTo` /// @param to address of first recipient /// @param transferTo address to transfer token to /// @return tokenId the tokenId function mint(address to, address transferTo) external returns (uint256 tokenId); /// @notice Mint token to `to` with `uri` /// @param to address of recipient /// @param uri token metadata uri /// @param feeRecipient the recipient of royalties /// @param feeAmount the royalties amount. From 0 to 10000 /// where 10000 == 100.00%; 1000 == 10.00%; 250 == 2.50% /// @param transferTo the address to transfer the NFT to after mint /// this is used when we want to mint the NFT to the creator address /// before transferring it to a recipient /// @return tokenId the tokenId function mint( address to, string memory uri, address feeRecipient, uint256 feeAmount, address transferTo ) external returns (uint256 tokenId); /// @notice Mint batch tokens to `to[i]` with `uri[i]` /// @param to array of address of recipients /// @param uris array of token metadata uris /// @param feeRecipients the recipients of royalties for each id /// @param feeAmounts the royalties amounts for each id. From 0 to 10000 /// where 10000 == 100.00%; 1000 == 10.00%; 250 == 2.50% /// @return startId the first id /// @return endId the last id function mintBatch( address[] memory to, string[] memory uris, address[] memory feeRecipients, uint256[] memory feeAmounts ) external returns (uint256 startId, uint256 endId); /// @notice Mint `tokenId` to to` with `uri` /// Because not all tokenIds have incremental ids /// be careful with this function, it does not increment lastTokenId /// and expects the minter to actually know what it is doing. /// this also means, this function does not verify _maxTokenId /// @param to address of recipient /// @param uri token metadata uri /// @param tokenId token id wanted /// @param feeRecipient the recipient of royalties /// @param feeAmount the royalties amount. From 0 to 10000 /// where 10000 == 100.00%; 1000 == 10.00%; 250 == 2.50% /// @param transferTo the address to transfer the NFT to after mint /// this is used when we want to mint the NFT to the creator address /// before transferring it to a recipient /// @return tokenId the tokenId function mint( address to, string memory uri, uint256 tokenId_, address feeRecipient, uint256 feeAmount, address transferTo ) external returns (uint256 tokenId); /// @notice Mint batch tokens to `to[i]` with `uris[i]` /// Because not all tokenIds have incremental ids /// be careful with this function, it does not increment lastTokenId /// and expects the minter to actually know what it's doing. /// this also means, this function does not verify _maxTokenId /// @param to array of address of recipients /// @param uris array of token metadata uris /// @param tokenIds array of token ids wanted /// @param feeRecipients the recipients of royalties for each id /// @param feeAmounts the royalties amounts for each id. From 0 to 10000 /// where 10000 == 100.00%; 1000 == 10.00%; 250 == 2.50% function mintBatch( address[] memory to, string[] memory uris, uint256[] memory tokenIds, address[] memory feeRecipients, uint256[] memory feeAmounts ) external; /// @notice Attach a module /// @param module a module to attach /// @param enabled if the module is enabled by default /// @param canModuleMint if the module has to be given the minter role function attachModule( address module, bool enabled, bool canModuleMint ) external; /// @dev Allows owner to enable a module /// @param module to enable /// @param canModuleMint if the module has to be given the minter role function enableModule(address module, bool canModuleMint) external; /// @dev Allows owner to disable a module /// @param module to disable function disableModule(address module, bool keepListeners) external; /// @notice allows to force the collection to start ids at 0 function startAtZero() external; /// @notice function that returns a string that can be used to render the current token /// @param tokenId tokenId /// @return the URI to render token function renderTokenURI(uint256 tokenId) external view returns (string memory); }
//SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import '@openzeppelin/contracts/utils/introspection/IERC165.sol'; interface INFModule is IERC165 { /// @notice Called by a Token Registry whenever the module is Attached /// @return if the attach worked function onAttach() external returns (bool); /// @notice Called by a Token Registry whenever the module is Enabled /// @return if the enabling worked function onEnable() external returns (bool); /// @notice Called by a Token Registry whenever the module is Disabled function onDisable() external; /// @notice returns an URI with information about the module /// @return the URI where to find information about the module function contractURI() external view returns (string memory); }
//SPDX-License-Identifier: MIT pragma solidity ^0.8.9; interface INFModuleTokenURI { function tokenURI(address registry, uint256 tokenId) external view returns (string memory); }
//SPDX-License-Identifier: MIT pragma solidity ^0.8.9; interface INFModuleWithRoyalties { /// @notice Return royalties (recipient, basisPoint) for tokenId /// @dev Contrary to EIP2981, modules are expected to return basisPoint for second parameters /// This in order to allow right royalties on marketplaces not supporting 2981 (like Rarible) /// @param registry registry to check id of /// @param tokenId token to check /// @return recipient and basisPoint for this tokenId function royaltyInfo(address registry, uint256 tokenId) external view returns (address recipient, uint256 basisPoint); }
//SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import '@openzeppelin/contracts/utils/structs/EnumerableSet.sol'; import '@openzeppelin/contracts/utils/introspection/ERC165.sol'; import './INFModule.sol'; /// @title NFBaseModule /// @author Simon Fremaux (@dievardump) contract NFBaseModule is INFModule, ERC165 { using EnumerableSet for EnumerableSet.AddressSet; EnumerableSet.AddressSet internal _attached; event NewContractURI(string contractURI); string private _contractURI; modifier onlyAttached(address registry) { require(_attached.contains(registry), '!NOT_ATTACHED!'); _; } constructor(string memory contractURI_) { _setContractURI(contractURI_); } /// @inheritdoc INFModule function contractURI() external view virtual override returns (string memory) { return _contractURI; } /// @inheritdoc INFModule function onAttach() external virtual override returns (bool) { if (_attached.add(msg.sender)) { return true; } revert('!ALREADY_ATTACHED!'); } /// @notice this contract doesn't really care if it's enabled or not /// since trying to mint on a contract where it's not enabled will fail /// @inheritdoc INFModule function onEnable() external virtual override returns (bool) { return true; } /// @inheritdoc INFModule function onDisable() external virtual override {} function _setContractURI(string memory contractURI_) internal { _contractURI = contractURI_; emit NewContractURI(contractURI_); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; /// @dev This is the interface for NFT extension mutableURI /// @author Simon Fremaux (@dievardump) interface IERC721WithMutableURI { function mutableURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import '../Royalties/ERC2981/IERC2981Royalties.sol'; import '../Royalties/RaribleSecondarySales/IRaribleSecondarySales.sol'; import '../Royalties/FoundationSecondarySales/IFoundationSecondarySales.sol'; /// @dev This is a contract used for royalties on various platforms /// @author Simon Fremaux (@dievardump) interface IERC721WithRoyalties is IERC2981Royalties, IRaribleSecondarySales, IFoundationSecondarySales { }
//SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import '@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol'; import './ERC721/IERC721WithRoyalties.sol'; import './ERC721/IERC721WithMutableURI.sol'; /// @title ERC721Full /// @dev This contains all the different overrides needed on /// ERC721 / URIStorage / Royalties /// This contract does not use ERC721enumerable because Enumerable adds quite some /// gas to minting costs and I am trying to make this cheap for creators. /// Also, since all NiftyForge contracts will be fully indexed in TheGraph it will easily /// Be possible to get tokenIds of an owner off-chain, before passing them to a contract /// which can verify ownership at the processing time /// @author Simon Fremaux (@dievardump) interface IERC721Full is IERC721Upgradeable, IERC721WithRoyalties, IERC721WithMutableURI { function baseURI() external view returns (string memory); function contractURI() external view returns (string memory); /// @notice This is a generic function that allows this contract's owner to withdraw /// any balance / ERC20 / ERC721 / ERC1155 it can have /// this contract has no payable nor receive function so it should not get any nativ token /// but this could save some ERC20, 721 or 1155 /// @param token the token to withdraw from. address(0) means native chain token /// @param amount the amount to withdraw if native token, erc20 or erc1155 - must be 0 for ERC721 /// @param tokenId the tokenId to withdraw for ERC1155 and ERC721 function withdraw( address token, uint256 amount, uint256 tokenId ) external; /// @notice Helper to know if an address can do the action an Editor can /// @param account the address to check function canEdit(address account) external view returns (bool); /// @notice Helper to know if an address can do the action a Minter can /// @param account the address to check function canMint(address account) external view returns (bool); /// @notice Helper to know if an address is editor /// @param account the address to check function isEditor(address account) external view returns (bool); /// @notice Helper to know if an address is minter /// @param account the address to check function isMinter(address account) external view returns (bool); /// @notice Allows to get approved using a permit and transfer in the same call /// @dev this supposes that the permit is for msg.sender /// @param from current owner /// @param to recipient /// @param tokenId the token id /// @param _data optional data to add /// @param deadline the deadline for the permit to be used /// @param signature of permit function safeTransferFromWithPermit( address from, address to, uint256 tokenId, bytes memory _data, uint256 deadline, bytes memory signature ) external; /// @notice Set the base token URI /// @dev only an editor can do that (account or module) /// @param baseURI_ the new base token uri used in tokenURI() function setBaseURI(string memory baseURI_) external; /// @notice Set the base mutable meta URI for tokens /// @param baseMutableURI_ the new base for mutable meta uri used in mutableURI() function setBaseMutableURI(string memory baseMutableURI_) external; /// @notice Set the mutable URI for a token /// @dev Mutable URI work like tokenURI /// -> if there is a baseMutableURI and a mutableURI, concat baseMutableURI + mutableURI /// -> else if there is only mutableURI, return mutableURI //. -> else if there is only baseMutableURI, concat baseMutableURI + tokenId /// @dev only an editor (account or module) can call this /// @param tokenId the token to set the mutable URI for /// @param mutableURI_ the mutable URI function setMutableURI(uint256 tokenId, string memory mutableURI_) external; /// @notice Helper for the owner to add new editors /// @dev needs to be owner /// @param users list of new editors function addEditors(address[] memory users) external; /// @notice Helper for the owner to remove editors /// @dev needs to be owner /// @param users list of removed editors function removeEditors(address[] memory users) external; /// @notice Helper for an editor to add new minter /// @dev needs to be owner /// @param users list of new minters function addMinters(address[] memory users) external; /// @notice Helper for an editor to remove minters /// @dev needs to be owner /// @param users list of removed minters function removeMinters(address[] memory users) external; /// @notice Allows to change the default royalties recipient /// @dev an editor can call this /// @param recipient new default royalties recipient function setDefaultRoyaltiesRecipient(address recipient) external; /// @notice Allows a royalty recipient of a token to change their recipient address /// @dev only the current token royalty recipient can change the address /// @param tokenId the token to change the recipient for /// @param recipient new default royalties recipient function setTokenRoyaltiesRecipient(uint256 tokenId, address recipient) external; /// @notice Helper for the owner of the contract to set the new contract URI /// @dev needs to be owner /// @param contractURI_ new contract URI function setContractURI(string memory contractURI_) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; /// @title IERC2981Royalties /// @dev Interface for the ERC2981 - Token Royalty standard interface IERC2981Royalties { /// @notice Called with the sale price to determine how much royalty // is owed and to whom. /// @param _tokenId - the NFT asset queried for royalty information /// @param _value - the sale price of the NFT asset specified by _tokenId /// @return _receiver - address of who should be sent the royalty payment /// @return _royaltyAmount - the royalty payment amount for value sale price function royaltyInfo(uint256 _tokenId, uint256 _value) external view returns (address _receiver, uint256 _royaltyAmount); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; interface IFoundationSecondarySales { /// @notice returns a list of royalties recipients and the amount /// @param tokenId the token Id to check for /// @return all the recipients and their basis points, for tokenId function getFees(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; interface IRaribleSecondarySales { /// @notice returns a list of royalties recipients /// @param tokenId the token Id to check for /// @return all the recipients for tokenId function getFeeRecipients(uint256 tokenId) external view returns (address payable[] memory); /// @notice returns a list of royalties amounts /// @param tokenId the token Id to check for /// @return all the amounts for tokenId function getFeeBps(uint256 tokenId) external view returns (uint256[] memory); }
// 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 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 v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { require(!paused(), "Pausable: paused"); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { require(paused(), "Pausable: not paused"); _; } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @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 `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, 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/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "./extensions/IERC721Metadata.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/Strings.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol) pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; assembly { result := store } return result; } }
// SPDX-License-Identifier: GPL-3.0 /// @title The NiftyPride Auction House /************************************ * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ * * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ * * ░░████░░████░░██░░████░░░░████░░ * * ░░█░░█░░█░░█░░██░░█░░░█░░░█░░░░░ * * ░░████░░███░░░██░░█░░░░█░░███░░░ * * ░░█░░░░░█░█░░░██░░█░░░█░░░█░░░░░ * * ░░█░░░░░█░░█░░██░░████░░░░████░░ * * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ * ***********************************/ // LICENSE // NiftyPrideAuctionHouse.sol is a modified version of Noun's NounsAuctionHouse.sol: // https://github.com/nounsDAO/nouns-monorepo/blob/17e61ecaf6f1c66ca8035bf4e0c3c8dae58ca937/packages/nouns-contracts/contracts/NounsAuctionHouse.sol // // and is published under the same GPL-3.0 license pragma solidity ^0.8.6; import {Pausable} from '@openzeppelin/contracts/security/Pausable.sol'; import {ReentrancyGuard} from '@openzeppelin/contracts/security/ReentrancyGuard.sol'; import {Ownable} from '@openzeppelin/contracts/access/Ownable.sol'; import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import {ERC721} from '@openzeppelin/contracts/token/ERC721/ERC721.sol'; import {IAuctionHouse} from './interfaces/IAuctionHouse.sol'; import {IWETH} from './interfaces/IWETH.sol'; contract NiftyPrideAuctionHouse is IAuctionHouse, Pausable, ReentrancyGuard, Ownable { error WrongAuction(); error AuctionExpired(); error ReservePriceNotMet(); error BidTooLow(); error AuctionNotStarted(); error AuctionAlreadySettled(); error AuctionNotEnded(); error RegistryNotSet(); /// @notice The address of the WETH contract address public weth; /// @notice The minimum amount of time left in an auction after a new bid is created uint256 public timeBuffer = 10 minutes; /// @notice The minimum price accepted in an auction uint256 public reservePrice = 0.01 ether; /// @notice The minimum percentage difference between the last bid amount and the current bid uint8 public minBidIncrementPercentage = 5; /// @notice The duration of a single auction uint256 public duration = 24 hours; /// @notice The active auction IAuctionHouse.Auction public auction; constructor(address weth_) { _pause(); if (block.chainid == 1) { weth = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2; } else if (block.chainid == 4) { weth = 0xc778417E063141139Fce010982780140Aa0cD5Ab; } else { weth = weth_; } } //////////////////////////////////////////////////// ///// Public // //////////////////////////////////////////////////// /** * @notice Settle the current auction, mint a new token, and put it up for auction. */ function settleCurrentAndCreateNewAuction() external override nonReentrant whenNotPaused { _settleAuction(); _createAuction(); } /** * @notice Settle the current auction. * @dev This function can only be called when the contract is paused. */ function settleAuction() external override whenPaused nonReentrant { _settleAuction(); } /** * @notice Create a bid for a token, with a given amount. * @dev This contract only accepts payment in ETH. */ function createBid(uint256 tokenId) external payable override nonReentrant { IAuctionHouse.Auction memory _auction = auction; if (_auction.tokenId != tokenId) revert WrongAuction(); if (block.timestamp >= _auction.endTime) revert AuctionExpired(); if (msg.value < reservePrice) revert ReservePriceNotMet(); if ( msg.value < _auction.amount + ((_auction.amount * minBidIncrementPercentage) / 100) ) { revert BidTooLow(); } address payable lastBidder = _auction.bidder; // Refund the last bidder, if applicable if (lastBidder != address(0)) { _safeTransferETHWithFallback(lastBidder, _auction.amount); } auction.amount = msg.value; auction.bidder = payable(msg.sender); // Extend the auction if the bid was received within `timeBuffer` of the auction end time bool extended = _auction.endTime - block.timestamp < timeBuffer; if (extended) { auction.endTime = _auction.endTime = block.timestamp + timeBuffer; } emit AuctionBid(_auction.tokenId, msg.sender, msg.value, extended); if (extended) { emit AuctionExtended(_auction.tokenId, _auction.endTime); } } //////////////////////////////////////////////////// ///// Contract owner // //////////////////////////////////////////////////// /** * @notice Pause the auction house. * @dev This function can only be called by the owner when the * contract is unpaused. While no new auctions can be started when paused, * anyone can settle an ongoing auction. */ function pause() external override onlyOwner { _pause(); } /** * @notice Unpause the auction house. * @dev This function can only be called by the owner when the * contract is paused. If required, this function will start a new auction. */ function unpause() external override onlyOwner { _unpause(); if (auction.startTime == 0 || auction.settled) { _createAuction(); } } /** * @notice Set the auction time buffer. * @dev Only callable by the owner. */ function setTimeBuffer(uint256 _timeBuffer) external override onlyOwner { timeBuffer = _timeBuffer; emit AuctionTimeBufferUpdated(_timeBuffer); } /** * @notice Set the auction reserve price. * @dev Only callable by the owner. */ function setReservePrice(uint256 _reservePrice) external override onlyOwner { reservePrice = _reservePrice; emit AuctionReservePriceUpdated(_reservePrice); } /** * @notice Set the auction minimum bid increment percentage. * @dev Only callable by the owner. */ function setMinBidIncrementPercentage(uint8 _minBidIncrementPercentage) external override onlyOwner { minBidIncrementPercentage = _minBidIncrementPercentage; emit AuctionMinBidIncrementPercentageUpdated( _minBidIncrementPercentage ); } //////////////////////////////////////////////////// ///// Internals // //////////////////////////////////////////////////// /** * @notice Create an auction. * @dev Store the auction details in the `auction` state variable and emit an AuctionCreated event. * If the mint reverts, the minter was updated without pausing this contract first. To remedy this, * catch the revert and pause this contract. */ function _createAuction() internal virtual { uint256 tokenId = _mintNext(); if (tokenId > 0) { uint256 startTime = block.timestamp; uint256 endTime = startTime + duration; auction = Auction({ tokenId: tokenId, amount: 0, startTime: startTime, endTime: endTime, bidder: payable(0), settled: false }); emit AuctionCreated(tokenId, startTime, endTime); } else { _pause(); } } /** * @notice Settle an auction, finalizing the bid and paying out to the owner. * @dev If there are no bids, the token is sent to the current contract owner (and after to its creator). */ function _settleAuction() internal { IAuctionHouse.Auction memory _auction = auction; if (_auction.startTime == 0) revert AuctionNotStarted(); if (_auction.settled) revert AuctionAlreadySettled(); if (block.timestamp < _auction.endTime) revert AuctionNotEnded(); auction.settled = true; ERC721(_getRegistry()).transferFrom( address(this), ( _auction.bidder == address(0) ? owner() // if no bidder, send to owner() so it can go back to creator : _auction.bidder ), _auction.tokenId ); if (_auction.amount > 0) { _transferToRecipients(_auction.tokenId, _auction.amount); } emit AuctionSettled(_auction.tokenId, _auction.bidder, _auction.amount); } /** * @notice Transfer ETH. If the ETH transfer fails, wrap the ETH and try send it as WETH. */ function _safeTransferETHWithFallback(address to, uint256 amount) internal { if (!_safeTransferETH(to, amount)) { IWETH(weth).deposit{value: amount}(); IERC20(weth).transfer(to, amount); } } /** * @notice Transfer ETH and return the success status. * @dev This function only forwards 30,000 gas to the callee. */ function _safeTransferETH(address to, uint256 value) internal returns (bool) { (bool success, ) = to.call{value: value, gas: 30_000}(new bytes(0)); return success; } /// @dev internal function to allow transfer to revenue recipient(s), default to owner() function _transferToRecipients(uint256, uint256 amount) internal virtual { _safeTransferETHWithFallback(owner(), amount); } /// @dev internal function to mint next token, must be overrode function _mintNext() internal virtual returns (uint256) { return 0; } /// @dev internal function to get nft contract holder, must be overrode function _getRegistry() internal virtual returns (address) { return address(0); } }
pragma solidity ^0.8.0; interface IRenderer { function description() external view returns (string memory); function render(bytes32 seed) external view returns (string memory, string memory); }
// SPDX-License-Identifier: GPL-3.0 /// @title Interface for Auction Houses /// modified from INounAuctionHouse.sol pragma solidity ^0.8.6; interface IAuctionHouse { struct Auction { // ID for the token (ERC721 token ID) uint256 tokenId; // The current highest bid amount uint256 amount; // The time that the auction started uint256 startTime; // The time that the auction is scheduled to end uint256 endTime; // The address of the current highest bid address payable bidder; // Whether or not the auction has been settled bool settled; } event AuctionCreated( uint256 indexed tokenId, uint256 startTime, uint256 endTime ); event AuctionBid( uint256 indexed tokenId, address sender, uint256 value, bool extended ); event AuctionExtended(uint256 indexed tokenId, uint256 endTime); event AuctionSettled( uint256 indexed tokenId, address winner, uint256 amount ); event AuctionTimeBufferUpdated(uint256 timeBuffer); event AuctionReservePriceUpdated(uint256 reservePrice); event AuctionMinBidIncrementPercentageUpdated( uint256 minBidIncrementPercentage ); function settleAuction() external; function settleCurrentAndCreateNewAuction() external; function createBid(uint256 tokenId) external payable; function pause() external; function unpause() external; function setTimeBuffer(uint256 timeBuffer) external; function setReservePrice(uint256 reservePrice) external; function setMinBidIncrementPercentage(uint8 minBidIncrementPercentage) external; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.8.6; interface IBokkyPooBahsDateTimeContract { function timestampToDateTime(uint256 timestamp) external pure returns ( uint256 year, uint256 month, uint256 day, uint256 hour, uint256 minute, uint256 second ); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.8.6; interface IWETH { function deposit() external payable; function withdraw(uint256 wad) external; function transfer(address to, uint256 value) external returns (bool); }
pragma solidity ^0.8.0; // SPDX-License-Identifier: MIT /// @title Base64 /// @author Brecht Devos - <[email protected]> /// @notice Provides a function for encoding some bytes in base64 /// modified to add some utility functions library Base64 { string internal constant TABLE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; function encode(bytes memory data) internal pure returns (string memory) { if (data.length == 0) return ''; // load the table into memory string memory table = TABLE; // multiply by 4/3 rounded up uint256 encodedLen = 4 * ((data.length + 2) / 3); // add some extra buffer at the end required for the writing string memory result = new string(encodedLen + 32); assembly { // set the actual output length mstore(result, encodedLen) // prepare the lookup table let tablePtr := add(table, 1) // input ptr let dataPtr := data let endPtr := add(dataPtr, mload(data)) // result ptr, jump over length let resultPtr := add(result, 32) // run over the input, 3 bytes at a time for { } lt(dataPtr, endPtr) { } { dataPtr := add(dataPtr, 3) // read 3 bytes let input := mload(dataPtr) // write 4 characters mstore( resultPtr, shl(248, mload(add(tablePtr, and(shr(18, input), 0x3F)))) ) resultPtr := add(resultPtr, 1) mstore( resultPtr, shl(248, mload(add(tablePtr, and(shr(12, input), 0x3F)))) ) resultPtr := add(resultPtr, 1) mstore( resultPtr, shl(248, mload(add(tablePtr, and(shr(6, input), 0x3F)))) ) resultPtr := add(resultPtr, 1) mstore( resultPtr, shl(248, mload(add(tablePtr, and(input, 0x3F)))) ) resultPtr := add(resultPtr, 1) } // padding with '=' switch mod(mload(data), 3) case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) } case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) } } return result; } function toB64JSON(bytes memory toEncode) internal pure returns (string memory) { return string( abi.encodePacked( 'data:application/json;base64,', encode(toEncode) ) ); } function toB64JSON(string memory toEncode) internal pure returns (string memory) { return toB64JSON(bytes(toEncode)); } function toB64SVG(bytes memory toEncode) internal pure returns (string memory) { return string( abi.encodePacked('data:image/svg+xml;base64,', encode(toEncode)) ); } function toB64SVG(string memory toEncode) internal pure returns (string memory) { return toB64SVG(bytes(toEncode)); } }
{ "evmVersion": "london", "libraries": {}, "metadata": { "bytecodeHash": "ipfs", "useLiteralContent": true }, "optimizer": { "enabled": true, "runs": 200 }, "remappings": [], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
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:"weth","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : weth_ (address): 0x0000000000000000000000000000000000000000
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000000
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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.