ERC-721
Overview
Max Total Supply
1,373 FACES
Holders
344
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
PolymorphicFacesRoot
Compiler Version
v0.8.14+commit.80d49f37
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.14; import "./IPolymorphicFacesRoot.sol"; import "../base/PolymorphsV2/PolymorphRoot.sol"; import "../base/PolymorphicFacesWithGeneChanger.sol"; contract PolymorphicFacesRoot is PolymorphicFacesWithGeneChanger, IPolymorphicFacesRoot { using PolymorphicFacesGeneGenerator for PolymorphicFacesGeneGenerator.Gene; struct Params { string name; string symbol; string baseURI; address payable _daoAddress; uint96 _royaltyFee; uint256 _baseGenomeChangePrice; uint256 _maxSupply; uint256 _randomizeGenomePrice; string _arweaveAssetsJSON; address _polymorphV2Address; } uint256 public maxSupply; PolymorphRoot public polymorphV2Contract; mapping(address => uint256) public numClaimed; event MaxSupplyChanged(uint256 newMaxSupply); event PolyV2AddressChanged(address newPolyV2Address); event DefaultRoyaltyChanged(address newReceiver, uint96 newDefaultRoyalty); constructor(Params memory params) PolymorphicFacesWithGeneChanger( params.name, params.symbol, params.baseURI, params._daoAddress, params._baseGenomeChangePrice, params._randomizeGenomePrice, params._arweaveAssetsJSON ) { maxSupply = params._maxSupply; arweaveAssetsJSON = params._arweaveAssetsJSON; polymorphV2Contract = PolymorphRoot( payable(params._polymorphV2Address) ); geneGenerator.random(); _setDefaultRoyalty(params._daoAddress, params._royaltyFee); } function claim(uint256 amount) public nonReentrant { require(amount <= 20, "Can't claim more than 20 faces in one tx"); require(_tokenId + amount <= maxSupply, "Total supply reached"); for (uint256 i = 0; i < amount; i++) { require( polymorphV2Contract.burnCount(msg.sender) > numClaimed[msg.sender], "User already claimed all allowed faces" ); numClaimed[msg.sender]++; _tokenId++; _genes[_tokenId] = geneGenerator.random(); _mint(_msgSender(), _tokenId); emit TokenMinted(_tokenId, _genes[_tokenId]); emit TokenMorphed( _tokenId, 0, _genes[_tokenId], 0, FacesEventType.MINT ); } } function daoMint(uint256 _amount) external onlyDAO { require(_amount <= 25, "DAO can mint at most 25 faces per transaction"); require(_tokenId + _amount <= maxSupply, "Total supply reached"); for (uint256 i = 0; i < _amount; i++) { _tokenId++; _genes[_tokenId] = geneGenerator.random(); _mint(_msgSender(), _tokenId); emit TokenMinted(_tokenId, _genes[_tokenId]); emit TokenMorphed( _tokenId, 0, _genes[_tokenId], 0, FacesEventType.MINT ); } } function mint(address to) public override(ERC721PresetMinterPauserAutoId) { revert("Should not use this one"); } function setDefaultRoyalty(address receiver, uint96 royaltyFee) external onlyDAO { _setDefaultRoyalty(receiver, royaltyFee); emit DefaultRoyaltyChanged(receiver, royaltyFee); } function setMaxSupply(uint256 _maxSupply) public virtual override onlyDAO { maxSupply = _maxSupply; emit MaxSupplyChanged(maxSupply); } function setPolyV2Address(address payable newPolyV2Address) external onlyDAO { polymorphV2Contract = PolymorphRoot(newPolyV2Address); emit PolyV2AddressChanged(newPolyV2Address); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.14; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; interface IPolymorphicFacesRoot is IERC721 { function setMaxSupply(uint256 maxSupply) external; }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; import "./IPolymorphRoot.sol"; import "../PolymorphsV1/Polymorph.sol"; import "../PolymorphsV1/PolymorphWithGeneChanger.sol"; contract PolymorphRoot is PolymorphWithGeneChanger, IPolymorphRoot { using PolymorphGeneGenerator for PolymorphGeneGenerator.Gene; struct Params { string name; string symbol; string baseURI; address payable _daoAddress; uint96 _royaltyFee; uint256 _baseGenomeChangePrice; uint256 _polymorphPrice; uint256 _maxSupply; uint256 _randomizeGenomePrice; uint256 _bulkBuyLimit; string _arweaveAssetsJSON; address _polymorphV1Address; } //uint256 public polymorphPrice; //uint256 public maxSupply; //uint256 public bulkBuyLimit; Polymorph public polymorphV1Contract; mapping(address => uint256) public burnCount; uint16 constant private STARTING_TOKEN_ID = 10000; //event PolymorphPriceChanged(uint256 newPolymorphPrice); //event MaxSupplyChanged(uint256 newMaxSupply); //event BulkBuyLimitChanged(uint256 newBulkBuyLimit); event DefaultRoyaltyChanged(address newReceiver, uint96 newDefaultRoyalty); constructor(Params memory params) PolymorphWithGeneChanger( params.name, params.symbol, params.baseURI, params._daoAddress, params._polymorphPrice, params._maxSupply, params._bulkBuyLimit, params._baseGenomeChangePrice, params._randomizeGenomePrice, params._arweaveAssetsJSON ) { // polymorphPrice = params._polymorphPrice; // maxSupply = params._maxSupply; // bulkBuyLimit = params._bulkBuyLimit; polymorphV1Contract = Polymorph(params._polymorphV1Address); geneGenerator.random(); _tokenId = _tokenId + STARTING_TOKEN_ID; _setDefaultRoyalty(params._daoAddress, params._royaltyFee); } function mint() public payable override nonReentrant { require(_tokenId < maxSupply, "Total supply reached"); require(msg.value >= polymorphPrice, "Insufficient funds"); _tokenId++; _genes[_tokenId] = geneGenerator.random(); _mint(_msgSender(), _tokenId); (bool transferToDaoStatus, ) = daoAddress.call{value: polymorphPrice}( "" ); require( transferToDaoStatus, "Address: unable to send value, recipient may have reverted" ); emit TokenMinted(_tokenId, _genes[_tokenId]); emit TokenMorphed( _tokenId, 0, _genes[_tokenId], polymorphPrice, PolymorphEventType.MINT ); } function burnAndMintNewPolymorph(uint256[] calldata tokenIds) external nonReentrant { for(uint256 i = 0; i < tokenIds.length; i++) { uint256 currentIdToBurnAndMint = tokenIds[i]; require(_msgSender() == polymorphV1Contract.ownerOf(currentIdToBurnAndMint)); uint256 geneToTransfer = polymorphV1Contract.geneOf(currentIdToBurnAndMint); polymorphV1Contract.burn(currentIdToBurnAndMint); burnCount[_msgSender()]+=1; _genes[currentIdToBurnAndMint] = geneToTransfer; _mint(_msgSender(), currentIdToBurnAndMint); emit TokenMinted(currentIdToBurnAndMint, _genes[currentIdToBurnAndMint]); emit TokenBurnedAndMinted(currentIdToBurnAndMint, _genes[currentIdToBurnAndMint]); } } function bulkBuy(uint256 amount) public override(Polymorph,IPolymorphRoot) payable nonReentrant { require( amount <= bulkBuyLimit, "Cannot bulk buy more than the preset limit" ); require( _tokenId + amount <= maxSupply, "Total supply reached" ); require(msg.value >= polymorphPrice * amount, "Insufficient funds"); for (uint256 i = 0; i < amount; i++) { _tokenId++; _genes[_tokenId] = geneGenerator.random(); _mint(_msgSender(), _tokenId); emit TokenMinted(_tokenId, _genes[_tokenId]); emit TokenMorphed( _tokenId, 0, _genes[_tokenId], polymorphPrice, PolymorphEventType.MINT ); } (bool transferToDaoStatus, ) = daoAddress.call{ value: polymorphPrice * amount }(""); require( transferToDaoStatus, "Address: unable to send value, recipient may have reverted" ); } // function mint(address to) // public // pure // override // { // revert("Should not use this one"); // } function setPolymorphPrice(uint256 newPolymorphPrice) public virtual override onlyDAO { polymorphPrice = newPolymorphPrice; emit PolymorphPriceChanged(newPolymorphPrice); } function setMaxSupply(uint256 _maxSupply) public virtual override onlyDAO { maxSupply = _maxSupply; emit MaxSupplyChanged(maxSupply); } // function setBulkBuyLimit(uint256 _bulkBuyLimit) // public // virtual // override // onlyDAO // { // bulkBuyLimit = _bulkBuyLimit; // emit BulkBuyLimitChanged(_bulkBuyLimit); // } function setDefaultRoyalty(address receiver, uint96 royaltyFee) external onlyDAO { _setDefaultRoyalty(receiver, royaltyFee); emit DefaultRoyaltyChanged(receiver, royaltyFee); } receive() external payable { mint(); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.14; import "@openzeppelin/contracts/utils/Address.sol"; import "../lib/PolymorphicFacesGeneGenerator.sol"; import "../modifiers/TunnelEnabled.sol"; import "./PolymorphicFaces.sol"; import "./IPolymorphicFacesWithGeneChanger.sol"; abstract contract PolymorphicFacesWithGeneChanger is IPolymorphicFacesWithGeneChanger, PolymorphicFaces, TunnelEnabled { using PolymorphicFacesGeneGenerator for PolymorphicFacesGeneGenerator.Gene; using Address for address; uint256 constant private TOTAL_ATTRIBUTES = 38; mapping(uint256 => uint256) internal _genomeChanges; mapping(uint256 => bool) public isNotVirgin; uint256 public baseGenomeChangePrice; uint256 public randomizeGenomePrice; event BaseGenomeChangePriceChanged(uint256 newGenomeChange); event RandomizeGenomePriceChanged(uint256 newRandomizeGenomePriceChange); constructor( string memory name, string memory symbol, string memory baseURI, address payable _daoAddress, uint256 _baseGenomeChangePrice, uint256 _randomizeGenomePrice, string memory _arweaveAssetsJSON ) PolymorphicFaces(name, symbol, baseURI, _daoAddress, _arweaveAssetsJSON) { baseGenomeChangePrice = _baseGenomeChangePrice; randomizeGenomePrice = _randomizeGenomePrice; } function changeBaseGenomeChangePrice(uint256 newGenomeChangePrice) public virtual override onlyDAO { baseGenomeChangePrice = newGenomeChangePrice; emit BaseGenomeChangePriceChanged(newGenomeChangePrice); } function changeRandomizeGenomePrice(uint256 newRandomizeGenomePrice) public virtual override onlyDAO { randomizeGenomePrice = newRandomizeGenomePrice; emit RandomizeGenomePriceChanged(newRandomizeGenomePrice); } function morphGene(uint256 tokenId, uint256 genePosition) public payable virtual override nonReentrant { _beforeGenomeChange(tokenId); uint256 price = priceForGenomeChange(tokenId); (bool transferToDaoStatus, ) = daoAddress.call{value: price}(""); require( transferToDaoStatus, "Address: unable to send value, recipient may have reverted" ); uint256 excessAmount = msg.value - price; if (excessAmount > 0) { (bool returnExcessStatus, ) = _msgSender().call{ value: excessAmount }(""); require(returnExcessStatus, "Failed to return excess."); } uint256 oldGene = _genes[tokenId]; uint256 newTrait = geneGenerator.random() % 100; _genes[tokenId] = replaceGene(oldGene, newTrait, genePosition); _genomeChanges[tokenId]++; isNotVirgin[tokenId] = true; emit TokenMorphed( tokenId, oldGene, _genes[tokenId], price, FacesEventType.MORPH ); } function replaceGene( uint256 genome, uint256 replacement, uint256 genePosition ) internal pure virtual returns (uint256 newGene) { require(genePosition < TOTAL_ATTRIBUTES, "Bad gene position"); uint256 mod = 0; if (genePosition >= 0) { mod = genome % (10**(genePosition * 2)); // Each gene is 2 digits long } uint256 div = (genome / (10**((genePosition + 1) * 2))) * (10**((genePosition + 1) * 2)); uint256 insert = replacement * (10**(genePosition * 2)); newGene = div + insert + mod; return newGene; } function randomizeGenome(uint256 tokenId) public payable virtual override nonReentrant { _beforeGenomeChange(tokenId); (bool transferToDaoStatus, ) = daoAddress.call{ value: randomizeGenomePrice }(""); require( transferToDaoStatus, "Address: unable to send value, recipient may have reverted" ); uint256 excessAmount = msg.value - randomizeGenomePrice; if (excessAmount > 0) { (bool returnExcessStatus, ) = _msgSender().call{ value: excessAmount }(""); require(returnExcessStatus, "Failed to return excess."); } uint256 oldGene = _genes[tokenId]; _genes[tokenId] = geneGenerator.random(); _genomeChanges[tokenId] = 0; isNotVirgin[tokenId] = true; emit TokenMorphed( tokenId, oldGene, _genes[tokenId], randomizeGenomePrice, FacesEventType.MORPH ); } function whitelistBridgeAddress(address bridgeAddress, bool status) external override onlyDAO { whitelistTunnelAddresses[bridgeAddress] = status; } function priceForGenomeChange(uint256 tokenId) public view virtual override returns (uint256 price) { uint256 pastChanges = _genomeChanges[tokenId]; return baseGenomeChangePrice * (1 << pastChanges); } function genomeChanges(uint256 tokenId) public view override returns (uint256 genomeChnages) { return _genomeChanges[tokenId]; } function _beforeGenomeChange(uint256 tokenId) internal view { require( !address(_msgSender()).isContract(), "Caller cannot be a contract" ); require( _msgSender() == tx.origin, "Msg sender should be original caller" ); beforeTransfer(tokenId, _msgSender()); } function beforeTransfer(uint256 tokenId, address owner) internal view { require( ownerOf(tokenId) == owner, "FacesWithGeneChanger: cannot change genome of token that is not own" ); } function wormholeUpdateGene( uint256 tokenId, uint256 gene, bool isVirgin, uint256 genomeChangesCount ) external nonReentrant onlyTunnel { uint256 oldGene = _genes[tokenId]; _genes[tokenId] = gene; isNotVirgin[tokenId] = isVirgin; _genomeChanges[tokenId] = genomeChangesCount; emit TokenMorphed( tokenId, oldGene, _genes[tokenId], priceForGenomeChange(tokenId), FacesEventType.MORPH ); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: 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 Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (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 pragma solidity 0.8.14; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; interface IPolymorphRoot is IERC721 { function mint() external payable; function bulkBuy(uint256 amount) external payable; }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; import "./IPolymorph.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "../ERC721PresetMinterPauserAutoId.sol"; import "../../lib/PolymorphGeneGenerator.sol"; import "../../modifiers/DAOControlled.sol"; contract Polymorph is IPolymorph, ERC721PresetMinterPauserAutoId, ReentrancyGuard { using PolymorphGeneGenerator for PolymorphGeneGenerator.Gene; PolymorphGeneGenerator.Gene internal geneGenerator; address payable public daoAddress; uint256 public polymorphPrice; uint256 public maxSupply; uint256 public bulkBuyLimit; string public arweaveAssetsJSON; event TokenMorphed(uint256 indexed tokenId, uint256 oldGene, uint256 newGene, uint256 price, Polymorph.PolymorphEventType eventType); event TokenMinted(uint256 indexed tokenId, uint256 newGene); event PolymorphPriceChanged(uint256 newPolymorphPrice); event MaxSupplyChanged(uint256 newMaxSupply); event BulkBuyLimitChanged(uint256 newBulkBuyLimit); //event BaseURIChanged(string baseURI); event arweaveAssetsJSONChanged(string arweaveAssetsJSON); event TokenBurnedAndMinted(uint256 tokenId, uint256 newGene); enum PolymorphEventType { MINT, MORPH, TRANSFER } // Optional mapping for token URIs mapping (uint256 => uint256) internal _genes; constructor(string memory name, string memory symbol, string memory baseURI, address payable _daoAddress, uint256 _polymorphPrice, uint256 _maxSupply, uint256 _bulkBuyLimit, string memory _arweaveAssetsJSON) ERC721PresetMinterPauserAutoId(name, symbol, baseURI) public { daoAddress = _daoAddress; polymorphPrice = _polymorphPrice; maxSupply = _maxSupply; bulkBuyLimit = _bulkBuyLimit; arweaveAssetsJSON = _arweaveAssetsJSON; geneGenerator.random(); } modifier onlyDAO() { require(msg.sender == daoAddress, "Not called from the dao"); _; } function geneOf(uint256 tokenId) public view virtual override returns (uint256 gene) { return _genes[tokenId]; } function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override(ERC721PresetMinterPauserAutoId) { ERC721PresetMinterPauserAutoId._beforeTokenTransfer(from, to, tokenId); emit TokenMorphed(tokenId, _genes[tokenId], _genes[tokenId], 0, PolymorphEventType.TRANSFER); } function bulkBuy(uint256 amount) public virtual payable nonReentrant { require(amount <= bulkBuyLimit, "Cannot bulk buy more than the preset limit"); require(_tokenId + amount <= maxSupply, "Total supply reached"); (bool transferToDaoStatus, ) = daoAddress.call{value:polymorphPrice * amount}(""); require(transferToDaoStatus, "Address: unable to send value, recipient may have reverted"); uint256 excessAmount = msg.value - (polymorphPrice * amount); if (excessAmount > 0) { (bool returnExcessStatus, ) = _msgSender().call{value: excessAmount}(""); require(returnExcessStatus, "Failed to return excess."); } for (uint256 i = 0; i < amount; i++) { _tokenId++; _genes[_tokenId] = geneGenerator.random(); _mint(_msgSender(), _tokenId); emit TokenMinted(_tokenId, _genes[_tokenId]); emit TokenMorphed(_tokenId, 0, _genes[_tokenId], polymorphPrice, PolymorphEventType.MINT); } } function lastTokenId() public override view returns (uint256 tokenId) { return _tokenId; } function mint(address to) public override(ERC721PresetMinterPauserAutoId) { revert("Should not use this one"); } function setPolymorphPrice(uint256 newPolymorphPrice) public override virtual onlyDAO { polymorphPrice = newPolymorphPrice; emit PolymorphPriceChanged(newPolymorphPrice); } function setMaxSupply(uint256 _maxSupply) public override virtual onlyDAO { maxSupply = _maxSupply; emit MaxSupplyChanged(maxSupply); } function setBulkBuyLimit(uint256 _bulkBuyLimit) public override virtual onlyDAO { bulkBuyLimit = _bulkBuyLimit; emit BulkBuyLimitChanged(_bulkBuyLimit); } function setBaseURI(string memory _baseURI) public virtual onlyDAO { _setBaseURI(_baseURI); emit BaseURIChanged(_baseURI); } function setArweaveAssetsJSON(string memory _arweaveAssetsJSON) public virtual onlyDAO { arweaveAssetsJSON = _arweaveAssetsJSON; emit arweaveAssetsJSONChanged(_arweaveAssetsJSON); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; import "@openzeppelin/contracts/utils/Address.sol"; import "../../lib/PolymorphGeneGenerator.sol"; import "../../modifiers/TunnelEnabled.sol"; import "./Polymorph.sol"; import "./IPolymorphWithGeneChanger.sol"; contract PolymorphWithGeneChanger is IPolymorphWithGeneChanger, Polymorph, TunnelEnabled { using PolymorphGeneGenerator for PolymorphGeneGenerator.Gene; using Address for address; uint256 constant private TOTAL_ATTRIBUTES = 38; mapping(uint256 => uint256) internal _genomeChanges; mapping(uint256 => bool) public isNotVirgin; uint256 public baseGenomeChangePrice; uint256 public randomizeGenomePrice; event BaseGenomeChangePriceChanged(uint256 newGenomeChange); event RandomizeGenomePriceChanged(uint256 newRandomizeGenomePriceChange); constructor( string memory name, string memory symbol, string memory baseURI, address payable _daoAddress, uint256 _polymorphPrice, uint256 _maxSupply, uint256 _bulkBuyLimit, uint256 _baseGenomeChangePrice, uint256 _randomizeGenomePrice, string memory _arweaveAssetsJSON ) Polymorph(name, symbol, baseURI, _daoAddress,_polymorphPrice,_maxSupply,_bulkBuyLimit, _arweaveAssetsJSON) { baseGenomeChangePrice = _baseGenomeChangePrice; randomizeGenomePrice = _randomizeGenomePrice; } function changeBaseGenomeChangePrice(uint256 newGenomeChangePrice) public virtual override onlyDAO { baseGenomeChangePrice = newGenomeChangePrice; emit BaseGenomeChangePriceChanged(newGenomeChangePrice); } function changeRandomizeGenomePrice(uint256 newRandomizeGenomePrice) public virtual override onlyDAO { randomizeGenomePrice = newRandomizeGenomePrice; emit RandomizeGenomePriceChanged(newRandomizeGenomePrice); } function morphGene(uint256 tokenId, uint256 genePosition) public payable virtual override nonReentrant { require(genePosition > 0, "Base character not morphable"); _beforeGenomeChange(tokenId); uint256 price = priceForGenomeChange(tokenId); require(msg.value >= price, "Insufficient funds"); uint256 oldGene = _genes[tokenId]; uint256 newTrait = geneGenerator.random() % 100; _genes[tokenId] = replaceGene(oldGene, newTrait, genePosition); _genomeChanges[tokenId]++; isNotVirgin[tokenId] = true; emit TokenMorphed( tokenId, oldGene, _genes[tokenId], price, PolymorphEventType.MORPH ); (bool transferToDaoStatus, ) = daoAddress.call{value: price}(""); require( transferToDaoStatus, "Address: unable to send value, recipient may have reverted" ); } function replaceGene( uint256 genome, uint256 replacement, uint256 genePosition ) internal pure virtual returns (uint256 newGene) { require(genePosition < TOTAL_ATTRIBUTES, "Bad gene position"); uint256 mod = 0; if (genePosition > 0) { mod = genome % (10**(genePosition * 2)); // Each gene is 2 digits long } uint256 div = (genome / (10**((genePosition + 1) * 2))) * (10**((genePosition + 1) * 2)); uint256 insert = replacement * (10**(genePosition * 2)); newGene = div + insert + mod; return newGene; } function randomizeGenome(uint256 tokenId) public payable virtual override nonReentrant { _beforeGenomeChange(tokenId); require(msg.value >= randomizeGenomePrice, "Insufficient funds"); uint256 oldGene = _genes[tokenId]; _genes[tokenId] = geneGenerator.random(); _genes[tokenId] = replaceGene(_genes[tokenId], oldGene % 100, 0); // additional step so that the base character is not changed after scrambling _genomeChanges[tokenId] = 0; isNotVirgin[tokenId] = true; emit TokenMorphed( tokenId, oldGene, _genes[tokenId], randomizeGenomePrice, PolymorphEventType.MORPH ); (bool transferToDaoStatus, ) = daoAddress.call{ value: randomizeGenomePrice }(""); require( transferToDaoStatus, "Address: unable to send value, recipient may have reverted" ); } function whitelistBridgeAddress(address bridgeAddress, bool status) external override onlyDAO { whitelistTunnelAddresses[bridgeAddress] = status; } function priceForGenomeChange(uint256 tokenId) public view virtual override returns (uint256 price) { uint256 pastChanges = _genomeChanges[tokenId]; return baseGenomeChangePrice * (1 << pastChanges); } function genomeChanges(uint256 tokenId) public view override returns (uint256 genomeChnages) { return _genomeChanges[tokenId]; } function _beforeGenomeChange(uint256 tokenId) internal view { require( !address(_msgSender()).isContract(), "Caller cannot be a contract" ); require( _msgSender() == tx.origin, "Msg sender should be original caller" ); beforeTransfer(tokenId, _msgSender()); } function beforeTransfer(uint256 tokenId, address owner) internal view { require( ownerOf(tokenId) == owner, "PolymorphWithGeneChanger: cannot change genome of token that is not own" ); } function wormholeUpdateGene( uint256 tokenId, uint256 gene, bool isVirgin, uint256 genomeChangesCount ) external nonReentrant onlyTunnel { uint256 oldGene = _genes[tokenId]; _genes[tokenId] = gene; isNotVirgin[tokenId] = isVirgin; _genomeChanges[tokenId] = genomeChangesCount; emit TokenMorphed( tokenId, oldGene, _genes[tokenId], priceForGenomeChange(tokenId), PolymorphEventType.MORPH ); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; interface IPolymorph is IERC721 { function geneOf(uint256 tokenId) external view returns (uint256 gene); function setBaseURI(string memory _baseURI) external; function setArweaveAssetsJSON(string memory _arweaveAssetsJSON) external; function setPolymorphPrice(uint256 newPolymorphPrice) external; function setMaxSupply(uint256 maxSupply) external; function setBulkBuyLimit(uint256 bulkBuyLimit) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; import "@openzeppelin/contracts/access/AccessControlEnumerable.sol"; import "@openzeppelin/contracts/utils/Context.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Pausable.sol"; import "@openzeppelin/contracts/token/common/ERC2981.sol"; import "./ERC721Consumable.sol"; /** * @dev {ERC721} token, including: * * - ability for holders to burn (destroy) their tokens * - a minter role that allows for token minting (creation) * - a pauser role that allows to stop all token transfers * - token ID and URI autogeneration * * This contract uses {AccessControl} to lock permissioned functions using the * different roles - head to its documentation for details. * * The account that deploys the contract will be granted the minter and pauser * roles, as well as the default admin role, which will let it grant both minter * and pauser roles to other accounts. */ contract ERC721PresetMinterPauserAutoId is Context, AccessControlEnumerable, ERC721Consumable, ERC721Enumerable, ERC721Burnable, ERC721Pausable, ERC2981 { bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE"); bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE"); uint256 internal _tokenId; string private _baseTokenURI; event BaseURIChanged(string baseURI); /** * @dev Grants `DEFAULT_ADMIN_ROLE`, `MINTER_ROLE` and `PAUSER_ROLE` to the * account that deploys the contract. * * Token URIs will be autogenerated based on `baseURI` and their token IDs. * See {ERC721-tokenURI}. */ constructor( string memory name, string memory symbol, string memory baseTokenURI ) ERC721(name, symbol) { _baseTokenURI = baseTokenURI; _setupRole(DEFAULT_ADMIN_ROLE, _msgSender()); _setupRole(MINTER_ROLE, _msgSender()); _setupRole(PAUSER_ROLE, _msgSender()); } function _setBaseURI(string memory baseURI_) internal virtual { _baseTokenURI = baseURI_; } function _baseURI() internal view virtual override returns (string memory) { return _baseTokenURI; } function baseURI() external view virtual returns (string memory) { return _baseURI(); } function lastTokenId() public view virtual returns (uint256 tokenId) { return _tokenId; } /** * @dev Creates a new token for `to`. Its token ID will be automatically * assigned (and available on the emitted {IERC721-Transfer} event), and the token * URI autogenerated based on the base URI passed at construction. * * See {ERC721-_mint}. * * Requirements: * * - the caller must have the `MINTER_ROLE`. */ function mint(address to) public virtual { require( hasRole(MINTER_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have minter role to mint" ); // We cannot just use balanceOf to create the new tokenId because tokens // can be burned (destroyed), so we need a separate counter. _mint(to, _tokenId); _tokenId++; } /** * @dev Pauses all token transfers. * * See {ERC721Pausable} and {Pausable-_pause}. * * Requirements: * * - the caller must have the `PAUSER_ROLE`. */ function pause() public virtual { require( hasRole(PAUSER_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have pauser role to pause" ); _pause(); } /** * @dev Unpauses all token transfers. * * See {ERC721Pausable} and {Pausable-_unpause}. * * Requirements: * * - the caller must have the `PAUSER_ROLE`. */ function unpause() public virtual { require( hasRole(PAUSER_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have pauser role to unpause" ); _unpause(); } function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override(ERC721, ERC721Consumable, ERC721Enumerable, ERC721Pausable) { super._beforeTokenTransfer(from, to, tokenId); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override( AccessControlEnumerable, ERC721, ERC721Consumable, ERC721Enumerable, ERC2981 ) returns (bool) { return super.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; library PolymorphGeneGenerator { struct Gene { uint256 lastRandom; } function random(Gene storage g) internal returns (uint256) { g.lastRandom = uint256( keccak256( abi.encode( keccak256( abi.encodePacked( msg.sender, tx.origin, gasleft(), g.lastRandom, block.timestamp, block.number, blockhash(block.number), blockhash(block.number - 100) ) ) ) ) ); return g.lastRandom; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; abstract contract DAOControlled { address payable public daoAddress; constructor(address payable _daoAddress) { daoAddress = _daoAddress; } modifier onlyDAO() { require(msg.sender == daoAddress, "Not called from the dao"); _; } }
// 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 (last updated v4.5.0) (access/AccessControlEnumerable.sol) pragma solidity ^0.8.0; import "./IAccessControlEnumerable.sol"; import "./AccessControl.sol"; import "../utils/structs/EnumerableSet.sol"; /** * @dev Extension of {AccessControl} that allows enumerating the members of each role. */ abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl { using EnumerableSet for EnumerableSet.AddressSet; mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) { return _roleMembers[role].at(index); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) { return _roleMembers[role].length(); } /** * @dev Overload {_grantRole} to track enumerable memberships */ function _grantRole(bytes32 role, address account) internal virtual override { super._grantRole(role, account); _roleMembers[role].add(account); } /** * @dev Overload {_revokeRole} to track enumerable memberships */ function _revokeRole(bytes32 role, address account) internal virtual override { super._revokeRole(role, account); _roleMembers[role].remove(account); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "./IERC721Enumerable.sol"; /** * @dev This implements an optional extension of {ERC721} defined in the EIP that adds * enumerability of all the token ids in the contract as well as all token ids owned by each * account. */ abstract contract ERC721Enumerable is ERC721, IERC721Enumerable { // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` cannot be the zero address. * - `to` cannot be the zero address. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /** * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /** * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list */ function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /** * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /** * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/extensions/ERC721Burnable.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "../../../utils/Context.sol"; /** * @title ERC721 Burnable Token * @dev ERC721 Token that can be burned (destroyed). */ abstract contract ERC721Burnable is Context, ERC721 { /** * @dev Burns `tokenId`. See {ERC721-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) public virtual { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner nor approved"); _burn(tokenId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Pausable.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "../../../security/Pausable.sol"; /** * @dev ERC721 token with pausable token transfers, minting and burning. * * Useful for scenarios such as preventing trades until the end of an evaluation * period, or having an emergency switch for freezing all token transfers in the * event of a large bug. */ abstract contract ERC721Pausable is ERC721, Pausable { /** * @dev See {ERC721-_beforeTokenTransfer}. * * Requirements: * * - the contract must not be paused. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); require(!paused(), "ERC721Pausable: token transfer while paused"); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
//SPDX-License-Identifier: MIT pragma solidity 0.8.14; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "./IERC721Consumable.sol"; abstract contract ERC721Consumable is IERC721Consumable, ERC721 { // Mapping from token ID to consumer address mapping(uint256 => address) _tokenConsumers; /** * @dev See {IERC721Consumable-consumerOf} */ function consumerOf(uint256 _tokenId) view external returns (address) { require(_exists(_tokenId), "ERC721Consumable: consumer query for nonexistent token"); return _tokenConsumers[_tokenId]; } /** * @dev See {IERC721Consumable-changeConsumer} */ function changeConsumer(address _consumer, uint256 _tokenId) external { address owner = this.ownerOf(_tokenId); require(msg.sender == owner || msg.sender == getApproved(_tokenId) || isApprovedForAll(owner, msg.sender), "ERC721Consumable: changeConsumer caller is not owner nor approved"); _changeConsumer(owner, _consumer, _tokenId); } /** * @dev Changes the consumer * Requirement: `tokenId` must exist */ function _changeConsumer(address _owner, address _consumer, uint256 _tokenId) internal { _tokenConsumers[_tokenId] = _consumer; emit ConsumerChanged(_owner, _consumer, _tokenId); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Consumable).interfaceId || super.supportsInterface(interfaceId); } function _beforeTokenTransfer(address _from, address _to, uint256 _tokenId) internal virtual override (ERC721) { super._beforeTokenTransfer(_from, _to, _tokenId); _changeConsumer(_from, address(0), _tokenId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; /** * @dev External interface of AccessControlEnumerable declared to support ERC165 detection. */ interface IAccessControlEnumerable is IAccessControl { /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) external view returns (address); /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; import "../utils/Context.sol"; import "../utils/Strings.sol"; import "../utils/introspection/ERC165.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(uint160(account), 20), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet. * ==== */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { 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; /// @solidity memory-safe-assembly assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values 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; /// @solidity memory-safe-assembly assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // 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); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "./extensions/IERC721Metadata.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/Strings.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: invalid token ID"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not token owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner 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: caller is not token 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) { address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(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); _afterTokenTransfer(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 from incorrect owner"); 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); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "ERC721: invalid token ID"); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * 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 {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { _requireNotPaused(); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { _requirePaused(); _; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Throws if the contract is paused. */ function _requireNotPaused() internal view virtual { require(!paused(), "Pausable: paused"); } /** * @dev Throws if the contract is not paused. */ function _requirePaused() internal view virtual { require(paused(), "Pausable: not paused"); } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; /// @title ERC-721 Consumer Role extension /// Note: the ERC-165 identifier for this interface is 0x953c8dfa interface IERC721Consumable is IERC721 { /// @notice Emitted when `owner` changes the `consumer` of an NFT /// The zero address for consumer indicates that there is no consumer address /// When a Transfer event emits, this also indicates that the consumer address /// for that NFT (if any) is set to none event ConsumerChanged( address indexed owner, address indexed consumer, uint256 indexed tokenId ); /// @notice Get the consumer address of an NFT /// @dev The zero address indicates that there is no consumer /// Throws if `_tokenId` is not a valid NFT /// @param _tokenId The NFT to get the consumer address for /// @return The consumer address for this NFT, or the zero address if there is none function consumerOf(uint256 _tokenId) external view returns (address); /// @notice Change or reaffirm the consumer address for an NFT /// @dev The zero address indicates there is no consumer address /// Throws unless `msg.sender` is the current NFT owner, an authorised /// operator of the current owner or approved address /// Throws if `_tokenId` is not valid NFT /// @param _consumer The new consumer of the NFT function changeConsumer(address _consumer, uint256 _tokenId) external; }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; abstract contract TunnelEnabled { mapping(address => bool) public whitelistTunnelAddresses; modifier onlyTunnel() { require( whitelistTunnelAddresses[msg.sender], "Not called from the tunnel" ); _; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.14; interface IPolymorphWithGeneChanger { function morphGene(uint256 tokenId, uint256 genePosition) external payable; function randomizeGenome(uint256 tokenId) external payable; function priceForGenomeChange(uint256 tokenId) external view returns (uint256 price); function changeBaseGenomeChangePrice(uint256 newGenomeChangePrice) external; function changeRandomizeGenomePrice(uint256 newRandomizeGenomePrice) external; function whitelistBridgeAddress(address bridgeAddress, bool status) external; function genomeChanges(uint256 tokenId) external view returns (uint256 genomeChnages); }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.14; library PolymorphicFacesGeneGenerator { struct Gene { uint256 lastRandom; } function random(Gene storage g) internal returns (uint256) { g.lastRandom = uint256( keccak256( abi.encode( keccak256( abi.encodePacked( msg.sender, tx.origin, gasleft(), g.lastRandom, block.timestamp, block.number, blockhash(block.number), blockhash(block.number - 100) ) ) ) ) ); return g.lastRandom; } }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.14; import "./IPolymorphicFaces.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/token/common/ERC2981.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "../base/ERC721PresetMinterPauserAutoId.sol"; import "../lib/PolymorphicFacesGeneGenerator.sol"; import "../modifiers/DAOControlled.sol"; contract PolymorphicFaces is IPolymorphicFaces, ERC721PresetMinterPauserAutoId, ReentrancyGuard, DAOControlled, Ownable { using PolymorphicFacesGeneGenerator for PolymorphicFacesGeneGenerator.Gene; PolymorphicFacesGeneGenerator.Gene internal geneGenerator; mapping(uint256 => uint256) internal _genes; string public arweaveAssetsJSON; event TokenMorphed( uint256 indexed tokenId, uint256 oldGene, uint256 newGene, uint256 price, FacesEventType eventType ); event TokenMinted(uint256 indexed tokenId, uint256 newGene); event ArweaveAssetsJSONChanged(string arweaveAssetsJSON); enum FacesEventType { MINT, MORPH, TRANSFER } constructor( string memory name, string memory symbol, string memory baseURI, address payable _daoAddress, string memory _arweaveAssetsJSON ) DAOControlled(_daoAddress) ERC721PresetMinterPauserAutoId(name, symbol, baseURI) { arweaveAssetsJSON = _arweaveAssetsJSON; } function geneOf(uint256 tokenId) public view virtual override returns (uint256 gene) { return _genes[tokenId]; } function lastTokenId() public view override(ERC721PresetMinterPauserAutoId) returns (uint256 tokenId) { return _tokenId; } function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override(ERC721PresetMinterPauserAutoId) { ERC721PresetMinterPauserAutoId._beforeTokenTransfer(from, to, tokenId); emit TokenMorphed( tokenId, _genes[tokenId], _genes[tokenId], 0, FacesEventType.TRANSFER ); } function setBaseURI(string memory _baseURI) public virtual override onlyDAO { _setBaseURI(_baseURI); emit BaseURIChanged(_baseURI); } function setArweaveAssetsJSON(string memory _arweaveAssetsJSON) public virtual override onlyDAO { arweaveAssetsJSON = _arweaveAssetsJSON; emit ArweaveAssetsJSONChanged(_arweaveAssetsJSON); } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721PresetMinterPauserAutoId, IERC165) returns (bool) { return super.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.14; interface IPolymorphicFacesWithGeneChanger { function morphGene(uint256 tokenId, uint256 genePosition) external payable; function randomizeGenome(uint256 tokenId) external payable; function priceForGenomeChange(uint256 tokenId) external view returns (uint256 price); function changeBaseGenomeChangePrice(uint256 newGenomeChangePrice) external; function changeRandomizeGenomePrice(uint256 newRandomizeGenomePrice) external; function whitelistBridgeAddress(address bridgeAddress, bool status) external; function genomeChanges(uint256 tokenId) external view returns (uint256 genomeChnages); }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.14; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; interface IPolymorphicFaces is IERC721 { function geneOf(uint256 tokenId) external view returns (uint256 gene); function setBaseURI(string memory _baseURI) external; function setArweaveAssetsJSON(string memory _arweaveAssetsJSON) external; }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : params (tuple): System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput]
-----Encoded View---------------
20 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [3] : 00000000000000000000000000000000000000000000000000000000000001c0
Arg [4] : 000000000000000000000000a8047c2a86d5a188b0e15c3c10e2bc144cb272c2
Arg [5] : 00000000000000000000000000000000000000000000000000000000000001f4
Arg [6] : 00000000000000000000000000000000000000000000000000038d7ea4c68000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000002710
Arg [8] : 0000000000000000000000000000000000000000000000000011c37937e08000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000240
Arg [10] : 000000000000000000000000b5433e67c067cad4cb36529f3f2d61ec0fb59f89
Arg [11] : 0000000000000000000000000000000000000000000000000000000000000011
Arg [12] : 506f6c796d6f7270686963204661636573000000000000000000000000000000
Arg [13] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [14] : 4641434553000000000000000000000000000000000000000000000000000000
Arg [15] : 000000000000000000000000000000000000000000000000000000000000004b
Arg [16] : 68747470733a2f2f75732d63656e7472616c312d706f6c796d6f7270686d6574
Arg [17] : 61646174612e636c6f756466756e6374696f6e732e6e65742f66616365732d6d
Arg [18] : 657461646174613f69643d000000000000000000000000000000000000000000
Arg [19] : 0000000000000000000000000000000000000000000000000000000000000000
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A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.