{ "language": "Solidity", "sources": { "contracts/DCNT721A.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\n/*\n ______ _______ _______ _______ _ _________\n( __ \\ ( ____ \\( ____ \\( ____ \\( ( /|\\__ __/\n| ( \\ )| ( \\/| ( \\/| ( \\/| \\ ( | ) (\n| | ) || (__ | | | (__ | \\ | | | |\n| | | || __) | | | __) | (\\ \\) | | |\n| | ) || ( | | | ( | | \\ | | |\n| (__/ )| (____/\\| (____/\\| (____/\\| ) \\ | | |\n(______/ (_______/(_______/(_______/|/ )_) )_(\n\n*/\n\n/// ============ Imports ============\n\nimport \"./erc721a/ERC721A.sol\";\nimport \"./interfaces/IMetadataRenderer.sol\";\nimport \"@openzeppelin/contracts/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\nimport \"./storage/EditionConfig.sol\";\nimport \"./storage/MetadataConfig.sol\";\nimport \"@openzeppelin/contracts/utils/cryptography/MerkleProof.sol\";\nimport \"./storage/DCNT721AStorage.sol\";\nimport \"./utils/Splits.sol\";\nimport './interfaces/ITokenWithBalance.sol';\n\n/// @title template NFT contract\ncontract DCNT721A is ERC721A, DCNT721AStorage, Initializable, Ownable, Splits {\n\n bool public hasAdjustableCap;\n uint256 public MAX_TOKENS;\n uint256 public tokenPrice;\n uint256 public maxTokenPurchase;\n\n uint256 public saleStart;\n uint256 public saleEnd;\n bool public saleIsPaused;\n string public baseURI;\n string internal _contractURI;\n address public metadataRenderer;\n uint256 public royaltyBPS;\n\n uint256 public presaleStart;\n uint256 public presaleEnd;\n bytes32 internal presaleMerkleRoot;\n\n address public splitMain;\n address public splitWallet;\n address public parentIP;\n\n /// ============ Events ============\n\n /// @notice Emitted after a successful token claim\n /// @param sender recipient of NFT mint\n /// @param tokenId_ of token minted\n event Minted(address sender, uint256 tokenId_);\n\n /// ========== Modifier =============\n /// @notice verifies caller has minimum balance to pass through token gate\n modifier verifyTokenGate(bool isPresale) {\n if (tokenGateConfig.tokenAddress != address(0)\n && (tokenGateConfig.saleType == SaleType.ALL ||\n isPresale && tokenGateConfig.saleType == SaleType.PRESALE) ||\n !isPresale && tokenGateConfig.saleType == SaleType.PRIMARY) {\n require(ITokenWithBalance(tokenGateConfig.tokenAddress).balanceOf(msg.sender) >= tokenGateConfig.minBalance, 'do not own required token');\n }\n\n _;\n }\n\n /// ============ Constructor ============\n\n function initialize(\n address _owner,\n EditionConfig memory _editionConfig,\n MetadataConfig memory _metadataConfig,\n TokenGateConfig memory _tokenGateConfig,\n address _metadataRenderer,\n address _splitMain\n ) public initializer {\n _transferOwnership(_owner);\n _name = _editionConfig.name;\n _symbol = _editionConfig.symbol;\n _currentIndex = _startTokenId();\n MAX_TOKENS = _editionConfig.maxTokens;\n tokenPrice = _editionConfig.tokenPrice;\n maxTokenPurchase = _editionConfig.maxTokenPurchase;\n saleStart = _editionConfig.saleStart;\n saleEnd = _editionConfig.saleEnd;\n royaltyBPS = _editionConfig.royaltyBPS;\n hasAdjustableCap = _editionConfig.hasAdjustableCap;\n parentIP = _metadataConfig.parentIP;\n splitMain = _splitMain;\n tokenGateConfig = _tokenGateConfig;\n presaleMerkleRoot = _editionConfig.presaleMerkleRoot;\n presaleStart = _editionConfig.presaleStart;\n presaleEnd = _editionConfig.presaleEnd;\n\n if (\n _metadataRenderer != address(0) &&\n _metadataConfig.metadataRendererInit.length > 0\n ) {\n metadataRenderer = _metadataRenderer;\n IMetadataRenderer(_metadataRenderer).initializeWithData(\n _metadataConfig.metadataRendererInit\n );\n } else {\n _contractURI = _metadataConfig.contractURI;\n baseURI = _metadataConfig.metadataURI;\n }\n }\n\n /// @notice purchase nft\n function mint(uint256 numberOfTokens)\n external\n payable\n verifyTokenGate(false)\n {\n uint256 mintIndex = _nextTokenId();\n require(block.timestamp >= saleStart && block.timestamp <= saleEnd, \"Sales are not active.\");\n require(!saleIsPaused, \"Sale must be active to mint\");\n require(\n mintIndex + numberOfTokens <= MAX_TOKENS,\n \"Purchase would exceed max supply\"\n );\n require(mintIndex <= MAX_TOKENS, \"SOLD OUT\");\n require(msg.value >= (tokenPrice * numberOfTokens), \"Insufficient funds\");\n if ( maxTokenPurchase != 0 ) {\n require(numberOfTokens <= maxTokenPurchase, \"Exceeded max number per mint\");\n }\n\n _safeMint(msg.sender, numberOfTokens);\n unchecked {\n for (uint256 i = 0; i < numberOfTokens; i++) {\n emit Minted(msg.sender, mintIndex++);\n }\n }\n }\n\n /// @notice allows the owner to \"airdrop\" users an NFT\n function mintAirdrop(address[] calldata recipients) external onlyOwner {\n uint256 atId = _nextTokenId();\n uint256 startAt = atId;\n require(atId + recipients.length <= MAX_TOKENS,\n \"Purchase would exceed max supply\"\n );\n\n unchecked {\n for (\n uint256 endAt = atId + recipients.length;\n atId < endAt;\n atId++\n ) {\n _safeMint(recipients[atId - startAt], 1);\n emit Minted(recipients[atId - startAt], atId);\n }\n }\n }\n\n /// @notice presale mint function\n function mintPresale(\n uint256 quantity,\n uint256 maxQuantity,\n uint256 pricePerToken,\n bytes32[] calldata merkleProof\n )\n external\n payable\n verifyTokenGate(true)\n {\n require (block.timestamp >= presaleStart && block.timestamp <= presaleEnd, 'not presale');\n uint256 mintIndex = _nextTokenId();\n require(!saleIsPaused, \"Sale must be active to mint\");\n require(\n mintIndex + quantity <= MAX_TOKENS,\n \"Purchase would exceed max supply\"\n );\n require (MerkleProof.verify(\n merkleProof,\n presaleMerkleRoot,\n keccak256(\n // address, uint256, uint256\n abi.encodePacked(msg.sender,maxQuantity,pricePerToken)\n )\n ), 'not approved');\n\n require(msg.value >= (pricePerToken * quantity), \"Insufficient funds\");\n require(balanceOf(msg.sender) + quantity <= maxQuantity, 'minted too many');\n _safeMint(msg.sender, quantity);\n unchecked {\n for (uint256 i = 0; i < quantity; i++) {\n emit Minted(msg.sender, mintIndex++);\n }\n }\n }\n\n function setPresaleMerkleRoot(bytes32 _presaleMerkleRoot) external onlyOwner {\n presaleMerkleRoot = _presaleMerkleRoot;\n }\n\n /// @notice pause or unpause sale\n function flipSaleState() external onlyOwner {\n saleIsPaused = !saleIsPaused;\n }\n\n /// @notice is the current sale active\n function saleIsActive() external view returns(bool _saleIsActive) {\n _saleIsActive = (block.timestamp >= saleStart && block.timestamp <= saleEnd) && (!saleIsPaused);\n }\n\n ///change maximum number of tokens available to mint\n function adjustCap(uint256 newCap) external onlyOwner {\n require(hasAdjustableCap, 'cannot adjust size of this collection');\n require(_nextTokenId() <= newCap, 'cannot decrease cap');\n MAX_TOKENS = newCap;\n }\n\n /// @notice withdraw funds from contract to seller funds recipient\n function withdraw() external onlyOwner {\n require(\n _getSplitWallet() == address(0),\n \"Cannot withdraw with an active split\"\n );\n\n (bool success, ) = payable(msg.sender).call{value: address(this).balance}(\"\");\n require(success, \"Could not withdraw\");\n }\n\n function setBaseURI(string memory uri) external onlyOwner {\n baseURI = uri;\n }\n\n function _baseURI() internal view virtual override returns (string memory) {\n return baseURI;\n }\n\n function setMetadataRenderer(address _metadataRenderer) external onlyOwner {\n metadataRenderer = _metadataRenderer;\n }\n\n /// @notice update the contract URI\n function setContractURI(string memory uri) external onlyOwner {\n _contractURI = uri;\n }\n\n /// @notice view the current contract URI\n function contractURI()\n public\n view\n virtual\n returns (string memory)\n {\n return (metadataRenderer != address(0))\n ? IMetadataRenderer(metadataRenderer).contractURI()\n : _contractURI;\n }\n\n /// @notice view the token URI for a given tokenId\n function tokenURI(uint256 tokenId)\n public\n view\n virtual\n override\n returns (string memory)\n {\n if (!_exists(tokenId)) revert URIQueryForNonexistentToken();\n\n if (metadataRenderer != address(0)) {\n return IMetadataRenderer(metadataRenderer).tokenURI(tokenId);\n }\n return super.tokenURI(tokenId);\n }\n\n /// @notice save some for creator\n function reserveDCNT(uint256 numReserved) external onlyOwner {\n uint256 supply = _nextTokenId();\n require(\n supply + numReserved < MAX_TOKENS,\n \"Purchase would exceed max supply\"\n );\n for (uint256 i = 0; i < numReserved; i++) {\n _safeMint(msg.sender, supply + i + 1);\n }\n }\n\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount)\n {\n require(_exists(tokenId), \"Nonexistent token\");\n\n if (splitWallet != address(0)) {\n receiver = splitWallet;\n } else {\n receiver = owner();\n }\n\n uint256 royaltyPayment = (salePrice * royaltyBPS) / 10_000;\n\n return (receiver, royaltyPayment);\n }\n\n function supportsInterface(bytes4 interfaceId)\n public\n view\n virtual\n override(ERC721A)\n returns (bool)\n {\n return\n interfaceId == 0x2a55205a || // ERC2981 interface ID for ERC2981.\n super.supportsInterface(interfaceId);\n }\n\n function _getSplitMain() internal virtual override returns (address) {\n return splitMain;\n }\n\n function _getSplitWallet() internal virtual override returns (address) {\n return splitWallet;\n }\n\n function _setSplitWallet(address _splitWallet) internal virtual override {\n splitWallet = _splitWallet;\n }\n\n /// @notice update the public sale start time\n function updateSaleStartEnd(uint256 newStart, uint256 newEnd) external onlyOwner {\n saleStart = newStart;\n saleEnd = newEnd;\n }\n\n /// @notice update the public sale start time\n function updatePresaleStartEnd(uint256 newStart, uint256 newEnd) external onlyOwner {\n presaleStart = newStart;\n presaleEnd = newEnd;\n }\n}\n" }, "contracts/erc721a/ERC721A.sol": { "content": "// SPDX-License-Identifier: MIT\n// ERC721A Contracts v4.2.2\n// Creator: Chiru Labs\n\npragma solidity ^0.8.4;\n\nimport \"erc721a/contracts/IERC721A.sol\";\n\n/**\n * @dev Interface of ERC721 token receiver.\n */\ninterface ERC721A__IERC721Receiver {\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n\n/**\n * @title ERC721A\n *\n * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)\n * Non-Fungible Token Standard, including the Metadata extension.\n * Optimized for lower gas during batch mints.\n *\n * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)\n * starting from `_startTokenId()`.\n *\n * Assumptions:\n *\n * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.\n * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).\n */\ncontract ERC721A is IERC721A {\n // Reference type for token approval.\n struct TokenApprovalRef {\n address value;\n }\n\n // =============================================================\n // CONSTANTS\n // =============================================================\n\n // Mask of an entry in packed address data.\n uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;\n\n // The bit position of `numberMinted` in packed address data.\n uint256 private constant _BITPOS_NUMBER_MINTED = 64;\n\n // The bit position of `numberBurned` in packed address data.\n uint256 private constant _BITPOS_NUMBER_BURNED = 128;\n\n // The bit position of `aux` in packed address data.\n uint256 private constant _BITPOS_AUX = 192;\n\n // Mask of all 256 bits in packed address data except the 64 bits for `aux`.\n uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;\n\n // The bit position of `startTimestamp` in packed ownership.\n uint256 private constant _BITPOS_START_TIMESTAMP = 160;\n\n // The bit mask of the `burned` bit in packed ownership.\n uint256 private constant _BITMASK_BURNED = 1 << 224;\n\n // The bit position of the `nextInitialized` bit in packed ownership.\n uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;\n\n // The bit mask of the `nextInitialized` bit in packed ownership.\n uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;\n\n // The bit position of `extraData` in packed ownership.\n uint256 private constant _BITPOS_EXTRA_DATA = 232;\n\n // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.\n uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;\n\n // The mask of the lower 160 bits for addresses.\n uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;\n\n // The maximum `quantity` that can be minted with {_mintERC2309}.\n // This limit is to prevent overflows on the address data entries.\n // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}\n // is required to cause an overflow, which is unrealistic.\n uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;\n\n // The `Transfer` event signature is given by:\n // `keccak256(bytes(\"Transfer(address,address,uint256)\"))`.\n bytes32 private constant _TRANSFER_EVENT_SIGNATURE =\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;\n\n // =============================================================\n // STORAGE\n // =============================================================\n\n // The next token ID to be minted.\n // internal, set in child initializer\n uint256 internal _currentIndex;\n\n // The number of tokens burned.\n uint256 private _burnCounter;\n\n // Token name\n // internal, set in child initializer\n string internal _name;\n\n // Token symbol\n // internal, set in child initializer\n string internal _symbol;\n\n // Mapping from token ID to ownership details\n // An empty struct value does not necessarily mean the token is unowned.\n // See {_packedOwnershipOf} implementation for details.\n //\n // Bits Layout:\n // - [0..159] `addr`\n // - [160..223] `startTimestamp`\n // - [224] `burned`\n // - [225] `nextInitialized`\n // - [232..255] `extraData`\n mapping(uint256 => uint256) private _packedOwnerships;\n\n // Mapping owner address to address data.\n //\n // Bits Layout:\n // - [0..63] `balance`\n // - [64..127] `numberMinted`\n // - [128..191] `numberBurned`\n // - [192..255] `aux`\n mapping(address => uint256) private _packedAddressData;\n\n // Mapping from token ID to approved address.\n mapping(uint256 => TokenApprovalRef) private _tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n // =============================================================\n // CONSTRUCTOR\n // =============================================================\n\n // set _name _symbol and _currentIndex in child initializer\n constructor() {}\n\n // =============================================================\n // TOKEN COUNTING OPERATIONS\n // =============================================================\n\n /**\n * @dev Returns the starting token ID.\n * To change the starting token ID, please override this function.\n */\n function _startTokenId() internal view virtual returns (uint256) {\n return 0;\n }\n\n /**\n * @dev Returns the next token ID to be minted.\n */\n function _nextTokenId() internal view virtual returns (uint256) {\n return _currentIndex;\n }\n\n /**\n * @dev Returns the total number of tokens in existence.\n * Burned tokens will reduce the count.\n * To get the total number of tokens minted, please see {_totalMinted}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n // Counter underflow is impossible as _burnCounter cannot be incremented\n // more than `_currentIndex - _startTokenId()` times.\n unchecked {\n return _currentIndex - _burnCounter - _startTokenId();\n }\n }\n\n /**\n * @dev Returns the total amount of tokens minted in the contract.\n */\n function _totalMinted() internal view virtual returns (uint256) {\n // Counter underflow is impossible as `_currentIndex` does not decrement,\n // and it is initialized to `_startTokenId()`.\n unchecked {\n return _currentIndex - _startTokenId();\n }\n }\n\n /**\n * @dev Returns the total number of tokens burned.\n */\n function _totalBurned() internal view virtual returns (uint256) {\n return _burnCounter;\n }\n\n // =============================================================\n // ADDRESS DATA OPERATIONS\n // =============================================================\n\n /**\n * @dev Returns the number of tokens in `owner`'s account.\n */\n function balanceOf(address owner)\n public\n view\n virtual\n override\n returns (uint256)\n {\n if (owner == address(0)) revert BalanceQueryForZeroAddress();\n return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;\n }\n\n /**\n * Returns the number of tokens minted by `owner`.\n */\n function _numberMinted(address owner) internal view returns (uint256) {\n return\n (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) &\n _BITMASK_ADDRESS_DATA_ENTRY;\n }\n\n /**\n * Returns the number of tokens burned by or on behalf of `owner`.\n */\n function _numberBurned(address owner) internal view returns (uint256) {\n return\n (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) &\n _BITMASK_ADDRESS_DATA_ENTRY;\n }\n\n /**\n * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).\n */\n function _getAux(address owner) internal view returns (uint64) {\n return uint64(_packedAddressData[owner] >> _BITPOS_AUX);\n }\n\n /**\n * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).\n * If there are multiple variables, please pack them into a uint64.\n */\n function _setAux(address owner, uint64 aux) internal virtual {\n uint256 packed = _packedAddressData[owner];\n uint256 auxCasted;\n // Cast `aux` with assembly to avoid redundant masking.\n assembly {\n auxCasted := aux\n }\n packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);\n _packedAddressData[owner] = packed;\n }\n\n // =============================================================\n // IERC165\n // =============================================================\n\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30000 gas.\n */\n function supportsInterface(bytes4 interfaceId)\n public\n view\n virtual\n override\n returns (bool)\n {\n // The interface IDs are constants representing the first 4 bytes\n // of the XOR of all function selectors in the interface.\n // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)\n // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)\n return\n interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.\n interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.\n interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.\n }\n\n // =============================================================\n // IERC721Metadata\n // =============================================================\n\n /**\n * @dev Returns the token collection name.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId)\n public\n view\n virtual\n override\n returns (string memory)\n {\n if (!_exists(tokenId)) revert URIQueryForNonexistentToken();\n\n string memory baseURI = _baseURI();\n return\n bytes(baseURI).length != 0\n ? string(abi.encodePacked(baseURI, _toString(tokenId)))\n : \"\";\n }\n\n /**\n * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n * by default, it can be overridden in child contracts.\n */\n function _baseURI() internal view virtual returns (string memory) {\n return \"\";\n }\n\n // =============================================================\n // OWNERSHIPS OPERATIONS\n // =============================================================\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId)\n public\n view\n virtual\n override\n returns (address)\n {\n return address(uint160(_packedOwnershipOf(tokenId)));\n }\n\n /**\n * @dev Gas spent here starts off proportional to the maximum mint batch size.\n * It gradually moves to O(1) as tokens get transferred around over time.\n */\n function _ownershipOf(uint256 tokenId)\n internal\n view\n virtual\n returns (TokenOwnership memory)\n {\n return _unpackedOwnership(_packedOwnershipOf(tokenId));\n }\n\n /**\n * @dev Returns the unpacked `TokenOwnership` struct at `index`.\n */\n function _ownershipAt(uint256 index)\n internal\n view\n virtual\n returns (TokenOwnership memory)\n {\n return _unpackedOwnership(_packedOwnerships[index]);\n }\n\n /**\n * @dev Initializes the ownership slot minted at `index` for efficiency purposes.\n */\n function _initializeOwnershipAt(uint256 index) internal virtual {\n if (_packedOwnerships[index] == 0) {\n _packedOwnerships[index] = _packedOwnershipOf(index);\n }\n }\n\n /**\n * Returns the packed ownership data of `tokenId`.\n */\n function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {\n uint256 curr = tokenId;\n\n unchecked {\n if (_startTokenId() <= curr)\n if (curr < _currentIndex) {\n uint256 packed = _packedOwnerships[curr];\n // If not burned.\n if (packed & _BITMASK_BURNED == 0) {\n // Invariant:\n // There will always be an initialized ownership slot\n // (i.e. `ownership.addr != address(0) && ownership.burned == false`)\n // before an unintialized ownership slot\n // (i.e. `ownership.addr == address(0) && ownership.burned == false`)\n // Hence, `curr` will not underflow.\n //\n // We can directly compare the packed value.\n // If the address is zero, packed will be zero.\n while (packed == 0) {\n packed = _packedOwnerships[--curr];\n }\n return packed;\n }\n }\n }\n revert OwnerQueryForNonexistentToken();\n }\n\n /**\n * @dev Returns the unpacked `TokenOwnership` struct from `packed`.\n */\n function _unpackedOwnership(uint256 packed)\n private\n pure\n returns (TokenOwnership memory ownership)\n {\n ownership.addr = address(uint160(packed));\n ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);\n ownership.burned = packed & _BITMASK_BURNED != 0;\n ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);\n }\n\n /**\n * @dev Packs ownership data into a single uint256.\n */\n function _packOwnershipData(address owner, uint256 flags)\n private\n view\n returns (uint256 result)\n {\n assembly {\n // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.\n owner := and(owner, _BITMASK_ADDRESS)\n // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.\n result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))\n }\n }\n\n /**\n * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.\n */\n function _nextInitializedFlag(uint256 quantity)\n private\n pure\n returns (uint256 result)\n {\n // For branchless setting of the `nextInitialized` flag.\n assembly {\n // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.\n result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))\n }\n }\n\n // =============================================================\n // APPROVAL OPERATIONS\n // =============================================================\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the\n * zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ownerOf(tokenId);\n\n if (_msgSenderERC721A() != owner)\n if (!isApprovedForAll(owner, _msgSenderERC721A())) {\n revert ApprovalCallerNotOwnerNorApproved();\n }\n\n _tokenApprovals[tokenId].value = to;\n emit Approval(owner, to, tokenId);\n }\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId)\n public\n view\n virtual\n override\n returns (address)\n {\n if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();\n\n return _tokenApprovals[tokenId].value;\n }\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom}\n * for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool approved)\n public\n virtual\n override\n {\n if (operator == _msgSenderERC721A()) revert ApproveToCaller();\n\n _operatorApprovals[_msgSenderERC721A()][operator] = approved;\n emit ApprovalForAll(_msgSenderERC721A(), operator, approved);\n }\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address owner, address operator)\n public\n view\n virtual\n override\n returns (bool)\n {\n return _operatorApprovals[owner][operator];\n }\n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted. See {_mint}.\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return\n _startTokenId() <= tokenId &&\n tokenId < _currentIndex && // If within bounds,\n _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.\n }\n\n /**\n * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.\n */\n function _isSenderApprovedOrOwner(\n address approvedAddress,\n address owner,\n address msgSender\n ) private pure returns (bool result) {\n assembly {\n // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.\n owner := and(owner, _BITMASK_ADDRESS)\n // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.\n msgSender := and(msgSender, _BITMASK_ADDRESS)\n // `msgSender == owner || msgSender == approvedAddress`.\n result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))\n }\n }\n\n /**\n * @dev Returns the storage slot and value for the approved address of `tokenId`.\n */\n function _getApprovedSlotAndAddress(uint256 tokenId)\n private\n view\n returns (uint256 approvedAddressSlot, address approvedAddress)\n {\n TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];\n // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId]`.\n assembly {\n approvedAddressSlot := tokenApproval.slot\n approvedAddress := sload(approvedAddressSlot)\n }\n }\n\n // =============================================================\n // TRANSFER OPERATIONS\n // =============================================================\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token\n * by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);\n\n if (address(uint160(prevOwnershipPacked)) != from)\n revert TransferFromIncorrectOwner();\n\n (\n uint256 approvedAddressSlot,\n address approvedAddress\n ) = _getApprovedSlotAndAddress(tokenId);\n\n // The nested ifs save around 20+ gas over a compound boolean condition.\n if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))\n if (!isApprovedForAll(from, _msgSenderERC721A()))\n revert TransferCallerNotOwnerNorApproved();\n\n if (to == address(0)) revert TransferToZeroAddress();\n\n _beforeTokenTransfers(from, to, tokenId, 1);\n\n // Clear approvals from the previous owner.\n assembly {\n if approvedAddress {\n // This is equivalent to `delete _tokenApprovals[tokenId]`.\n sstore(approvedAddressSlot, 0)\n }\n }\n\n // Underflow of the sender's balance is impossible because we check for\n // ownership above and the recipient's balance can't realistically overflow.\n // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.\n unchecked {\n // We can directly increment and decrement the balances.\n --_packedAddressData[from]; // Updates: `balance -= 1`.\n ++_packedAddressData[to]; // Updates: `balance += 1`.\n\n // Updates:\n // - `address` to the next owner.\n // - `startTimestamp` to the timestamp of transfering.\n // - `burned` to `false`.\n // - `nextInitialized` to `true`.\n _packedOwnerships[tokenId] = _packOwnershipData(\n to,\n _BITMASK_NEXT_INITIALIZED |\n _nextExtraData(from, to, prevOwnershipPacked)\n );\n\n // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .\n if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {\n uint256 nextTokenId = tokenId + 1;\n // If the next slot's address is zero and not burned (i.e. packed value is zero).\n if (_packedOwnerships[nextTokenId] == 0) {\n // If the next slot is within bounds.\n if (nextTokenId != _currentIndex) {\n // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.\n _packedOwnerships[nextTokenId] = prevOwnershipPacked;\n }\n }\n }\n }\n\n emit Transfer(from, to, tokenId);\n _afterTokenTransfers(from, to, tokenId, 1);\n }\n\n /**\n * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token\n * by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement\n * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) public virtual override {\n transferFrom(from, to, tokenId);\n if (to.code.length != 0)\n if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {\n revert TransferToNonERC721ReceiverImplementer();\n }\n }\n\n /**\n * @dev Hook that is called before a set of serially-ordered token IDs\n * are about to be transferred. This includes minting.\n * And also called before burning one token.\n *\n * `startTokenId` - the first token ID to be transferred.\n * `quantity` - the amount to be transferred.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be\n * transferred to `to`.\n * - When `from` is zero, `tokenId` will be minted for `to`.\n * - When `to` is zero, `tokenId` will be burned by `from`.\n * - `from` and `to` are never both zero.\n */\n function _beforeTokenTransfers(\n address from,\n address to,\n uint256 startTokenId,\n uint256 quantity\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after a set of serially-ordered token IDs\n * have been transferred. This includes minting.\n * And also called after one token has been burned.\n *\n * `startTokenId` - the first token ID to be transferred.\n * `quantity` - the amount to be transferred.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been\n * transferred to `to`.\n * - When `from` is zero, `tokenId` has been minted for `to`.\n * - When `to` is zero, `tokenId` has been burned by `from`.\n * - `from` and `to` are never both zero.\n */\n function _afterTokenTransfers(\n address from,\n address to,\n uint256 startTokenId,\n uint256 quantity\n ) internal virtual {}\n\n /**\n * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.\n *\n * `from` - Previous owner of the given token ID.\n * `to` - Target address that will receive the token.\n * `tokenId` - Token ID to be transferred.\n * `_data` - Optional data to send along with the call.\n *\n * Returns whether the call correctly returned the expected magic value.\n */\n function _checkContractOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) private returns (bool) {\n try\n ERC721A__IERC721Receiver(to).onERC721Received(\n _msgSenderERC721A(),\n from,\n tokenId,\n _data\n )\n returns (bytes4 retval) {\n return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert TransferToNonERC721ReceiverImplementer();\n } else {\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n }\n\n // =============================================================\n // MINT OPERATIONS\n // =============================================================\n\n /**\n * @dev Mints `quantity` tokens and transfers them to `to`.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `quantity` must be greater than 0.\n *\n * Emits a {Transfer} event for each mint.\n */\n function _mint(address to, uint256 quantity) internal virtual {\n uint256 startTokenId = _currentIndex;\n if (quantity == 0) revert MintZeroQuantity();\n\n _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n // Overflows are incredibly unrealistic.\n // `balance` and `numberMinted` have a maximum limit of 2**64.\n // `tokenId` has a maximum limit of 2**256.\n unchecked {\n // Updates:\n // - `balance += quantity`.\n // - `numberMinted += quantity`.\n //\n // We can directly add to the `balance` and `numberMinted`.\n _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);\n\n // Updates:\n // - `address` to the owner.\n // - `startTimestamp` to the timestamp of minting.\n // - `burned` to `false`.\n // - `nextInitialized` to `quantity == 1`.\n _packedOwnerships[startTokenId] = _packOwnershipData(\n to,\n _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)\n );\n\n uint256 toMasked;\n uint256 end = startTokenId + quantity;\n\n // Use assembly to loop and emit the `Transfer` event for gas savings.\n assembly {\n // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.\n toMasked := and(to, _BITMASK_ADDRESS)\n // Emit the `Transfer` event.\n log4(\n 0, // Start of data (0, since no data).\n 0, // End of data (0, since no data).\n _TRANSFER_EVENT_SIGNATURE, // Signature.\n 0, // `address(0)`.\n toMasked, // `to`.\n startTokenId // `tokenId`.\n )\n\n for {\n let tokenId := add(startTokenId, 1)\n } iszero(eq(tokenId, end)) {\n tokenId := add(tokenId, 1)\n } {\n // Emit the `Transfer` event. Similar to above.\n log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)\n }\n }\n if (toMasked == 0) revert MintToZeroAddress();\n\n _currentIndex = end;\n }\n _afterTokenTransfers(address(0), to, startTokenId, quantity);\n }\n\n /**\n * @dev Mints `quantity` tokens and transfers them to `to`.\n *\n * This function is intended for efficient minting only during contract creation.\n *\n * It emits only one {ConsecutiveTransfer} as defined in\n * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),\n * instead of a sequence of {Transfer} event(s).\n *\n * Calling this function outside of contract creation WILL make your contract\n * non-compliant with the ERC721 standard.\n * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309\n * {ConsecutiveTransfer} event is only permissible during contract creation.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `quantity` must be greater than 0.\n *\n * Emits a {ConsecutiveTransfer} event.\n */\n function _mintERC2309(address to, uint256 quantity) internal virtual {\n uint256 startTokenId = _currentIndex;\n if (to == address(0)) revert MintToZeroAddress();\n if (quantity == 0) revert MintZeroQuantity();\n if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT)\n revert MintERC2309QuantityExceedsLimit();\n\n _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n // Overflows are unrealistic due to the above check for `quantity` to be below the limit.\n unchecked {\n // Updates:\n // - `balance += quantity`.\n // - `numberMinted += quantity`.\n //\n // We can directly add to the `balance` and `numberMinted`.\n _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);\n\n // Updates:\n // - `address` to the owner.\n // - `startTimestamp` to the timestamp of minting.\n // - `burned` to `false`.\n // - `nextInitialized` to `quantity == 1`.\n _packedOwnerships[startTokenId] = _packOwnershipData(\n to,\n _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)\n );\n\n emit ConsecutiveTransfer(\n startTokenId,\n startTokenId + quantity - 1,\n address(0),\n to\n );\n\n _currentIndex = startTokenId + quantity;\n }\n _afterTokenTransfers(address(0), to, startTokenId, quantity);\n }\n\n /**\n * @dev Safely mints `quantity` tokens and transfers them to `to`.\n *\n * Requirements:\n *\n * - If `to` refers to a smart contract, it must implement\n * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.\n * - `quantity` must be greater than 0.\n *\n * See {_mint}.\n *\n * Emits a {Transfer} event for each mint.\n */\n function _safeMint(\n address to,\n uint256 quantity,\n bytes memory _data\n ) internal virtual {\n _mint(to, quantity);\n\n unchecked {\n if (to.code.length != 0) {\n uint256 end = _currentIndex;\n uint256 index = end - quantity;\n do {\n if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {\n revert TransferToNonERC721ReceiverImplementer();\n }\n } while (index < end);\n // Reentrancy protection.\n if (_currentIndex != end) revert();\n }\n }\n }\n\n /**\n * @dev Equivalent to `_safeMint(to, quantity, '')`.\n */\n function _safeMint(address to, uint256 quantity) internal virtual {\n _safeMint(to, quantity, \"\");\n }\n\n // =============================================================\n // BURN OPERATIONS\n // =============================================================\n\n /**\n * @dev Equivalent to `_burn(tokenId, false)`.\n */\n function _burn(uint256 tokenId) internal virtual {\n _burn(tokenId, false);\n }\n\n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId, bool approvalCheck) internal virtual {\n uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);\n\n address from = address(uint160(prevOwnershipPacked));\n\n (\n uint256 approvedAddressSlot,\n address approvedAddress\n ) = _getApprovedSlotAndAddress(tokenId);\n\n if (approvalCheck) {\n // The nested ifs save around 20+ gas over a compound boolean condition.\n if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))\n if (!isApprovedForAll(from, _msgSenderERC721A()))\n revert TransferCallerNotOwnerNorApproved();\n }\n\n _beforeTokenTransfers(from, address(0), tokenId, 1);\n\n // Clear approvals from the previous owner.\n assembly {\n if approvedAddress {\n // This is equivalent to `delete _tokenApprovals[tokenId]`.\n sstore(approvedAddressSlot, 0)\n }\n }\n\n // Underflow of the sender's balance is impossible because we check for\n // ownership above and the recipient's balance can't realistically overflow.\n // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.\n unchecked {\n // Updates:\n // - `balance -= 1`.\n // - `numberBurned += 1`.\n //\n // We can directly decrement the balance, and increment the number burned.\n // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.\n _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;\n\n // Updates:\n // - `address` to the last owner.\n // - `startTimestamp` to the timestamp of burning.\n // - `burned` to `true`.\n // - `nextInitialized` to `true`.\n _packedOwnerships[tokenId] = _packOwnershipData(\n from,\n (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) |\n _nextExtraData(from, address(0), prevOwnershipPacked)\n );\n\n // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .\n if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {\n uint256 nextTokenId = tokenId + 1;\n // If the next slot's address is zero and not burned (i.e. packed value is zero).\n if (_packedOwnerships[nextTokenId] == 0) {\n // If the next slot is within bounds.\n if (nextTokenId != _currentIndex) {\n // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.\n _packedOwnerships[nextTokenId] = prevOwnershipPacked;\n }\n }\n }\n }\n\n emit Transfer(from, address(0), tokenId);\n _afterTokenTransfers(from, address(0), tokenId, 1);\n\n // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.\n unchecked {\n _burnCounter++;\n }\n }\n\n // =============================================================\n // EXTRA DATA OPERATIONS\n // =============================================================\n\n /**\n * @dev Directly sets the extra data for the ownership data `index`.\n */\n function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {\n uint256 packed = _packedOwnerships[index];\n if (packed == 0) revert OwnershipNotInitializedForExtraData();\n uint256 extraDataCasted;\n // Cast `extraData` with assembly to avoid redundant masking.\n assembly {\n extraDataCasted := extraData\n }\n packed =\n (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) |\n (extraDataCasted << _BITPOS_EXTRA_DATA);\n _packedOwnerships[index] = packed;\n }\n\n /**\n * @dev Called during each token transfer to set the 24bit `extraData` field.\n * Intended to be overridden by the cosumer contract.\n *\n * `previousExtraData` - the value of `extraData` before transfer.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be\n * transferred to `to`.\n * - When `from` is zero, `tokenId` will be minted for `to`.\n * - When `to` is zero, `tokenId` will be burned by `from`.\n * - `from` and `to` are never both zero.\n */\n function _extraData(\n address from,\n address to,\n uint24 previousExtraData\n ) internal view virtual returns (uint24) {}\n\n /**\n * @dev Returns the next extra data for the packed ownership data.\n * The returned result is shifted into position.\n */\n function _nextExtraData(\n address from,\n address to,\n uint256 prevOwnershipPacked\n ) private view returns (uint256) {\n uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);\n return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;\n }\n\n // =============================================================\n // OTHER OPERATIONS\n // =============================================================\n\n /**\n * @dev Returns the message sender (defaults to `msg.sender`).\n *\n * If you are writing GSN compatible contracts, you need to override this function.\n */\n function _msgSenderERC721A() internal view virtual returns (address) {\n return msg.sender;\n }\n\n /**\n * @dev Converts a uint256 to its ASCII string decimal representation.\n */\n function _toString(uint256 value)\n internal\n pure\n virtual\n returns (string memory str)\n {\n assembly {\n // The maximum value of a uint256 contains 78 digits (1 byte per digit),\n // but we allocate 0x80 bytes to keep the free memory pointer 32-byte word aliged.\n // We will need 1 32-byte word to store the length,\n // and 3 32-byte words to store a maximum of 78 digits. Total: 0x20 + 3 * 0x20 = 0x80.\n str := add(mload(0x40), 0x80)\n // Update the free memory pointer to allocate.\n mstore(0x40, str)\n\n // Cache the end of the memory to calculate the length later.\n let end := str\n\n // We write the string from rightmost digit to leftmost digit.\n // The following is essentially a do-while loop that also handles the zero case.\n // prettier-ignore\n for { let temp := value } 1 {} {\n str := sub(str, 1)\n // Write the character to the pointer.\n // The ASCII index of the '0' character is 48.\n mstore8(str, add(48, mod(temp, 10)))\n // Keep dividing `temp` until zero.\n temp := div(temp, 10)\n // prettier-ignore\n if iszero(temp) { break }\n }\n\n let length := sub(end, str)\n // Move the pointer 32 bytes leftwards to make room for the length.\n str := sub(str, 0x20)\n // Store the length.\n mstore(str, length)\n }\n }\n}\n" }, "contracts/interfaces/IMetadataRenderer.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface IMetadataRenderer {\n function tokenURI(uint256) external view returns (string memory);\n\n function contractURI() external view returns (string memory);\n\n function initializeWithData(bytes memory initData) external;\n\n /// @notice Storage for token edition information\n struct TokenEditionInfo {\n string description;\n string imageURI;\n string animationURI;\n }\n}\n" }, "@openzeppelin/contracts/proxy/utils/Initializable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/Address.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (!Address.isContract(address(this)) && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original\n * initialization step. This is essential to configure modules that are added through upgrades and that require\n * initialization.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized < type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n}\n" }, "@openzeppelin/contracts/access/Ownable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n" }, "contracts/storage/EditionConfig.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nstruct EditionConfig {\n string name;\n string symbol;\n bool hasAdjustableCap;\n uint256 maxTokens;\n uint256 tokenPrice;\n uint256 maxTokenPurchase;\n bytes32 presaleMerkleRoot;\n uint256 presaleStart;\n uint256 presaleEnd;\n uint256 saleStart;\n uint256 saleEnd;\n uint256 royaltyBPS;\n}\n" }, "contracts/storage/MetadataConfig.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nstruct MetadataConfig {\n string contractURI;\n string metadataURI;\n bytes metadataRendererInit;\n address parentIP;\n}\n" }, "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev These functions deal with verification of Merkle Tree proofs.\n *\n * The proofs can be generated using the JavaScript library\n * https://github.com/miguelmota/merkletreejs[merkletreejs].\n * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.\n *\n * See `test/utils/cryptography/MerkleProof.test.js` for some examples.\n *\n * WARNING: You should avoid using leaf values that are 64 bytes long prior to\n * hashing, or use a hash function other than keccak256 for hashing leaves.\n * This is because the concatenation of a sorted pair of internal nodes in\n * the merkle tree could be reinterpreted as a leaf value.\n */\nlibrary MerkleProof {\n /**\n * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree\n * defined by `root`. For this, a `proof` must be provided, containing\n * sibling hashes on the branch from the leaf to the root of the tree. Each\n * pair of leaves and each pair of pre-images are assumed to be sorted.\n */\n function verify(\n bytes32[] memory proof,\n bytes32 root,\n bytes32 leaf\n ) internal pure returns (bool) {\n return processProof(proof, leaf) == root;\n }\n\n /**\n * @dev Calldata version of {verify}\n *\n * _Available since v4.7._\n */\n function verifyCalldata(\n bytes32[] calldata proof,\n bytes32 root,\n bytes32 leaf\n ) internal pure returns (bool) {\n return processProofCalldata(proof, leaf) == root;\n }\n\n /**\n * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up\n * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt\n * hash matches the root of the tree. When processing the proof, the pairs\n * of leafs & pre-images are assumed to be sorted.\n *\n * _Available since v4.4._\n */\n function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {\n bytes32 computedHash = leaf;\n for (uint256 i = 0; i < proof.length; i++) {\n computedHash = _hashPair(computedHash, proof[i]);\n }\n return computedHash;\n }\n\n /**\n * @dev Calldata version of {processProof}\n *\n * _Available since v4.7._\n */\n function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {\n bytes32 computedHash = leaf;\n for (uint256 i = 0; i < proof.length; i++) {\n computedHash = _hashPair(computedHash, proof[i]);\n }\n return computedHash;\n }\n\n /**\n * @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by\n * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.\n *\n * _Available since v4.7._\n */\n function multiProofVerify(\n bytes32[] memory proof,\n bool[] memory proofFlags,\n bytes32 root,\n bytes32[] memory leaves\n ) internal pure returns (bool) {\n return processMultiProof(proof, proofFlags, leaves) == root;\n }\n\n /**\n * @dev Calldata version of {multiProofVerify}\n *\n * _Available since v4.7._\n */\n function multiProofVerifyCalldata(\n bytes32[] calldata proof,\n bool[] calldata proofFlags,\n bytes32 root,\n bytes32[] memory leaves\n ) internal pure returns (bool) {\n return processMultiProofCalldata(proof, proofFlags, leaves) == root;\n }\n\n /**\n * @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`,\n * consuming from one or the other at each step according to the instructions given by\n * `proofFlags`.\n *\n * _Available since v4.7._\n */\n function processMultiProof(\n bytes32[] memory proof,\n bool[] memory proofFlags,\n bytes32[] memory leaves\n ) internal pure returns (bytes32 merkleRoot) {\n // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by\n // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the\n // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of\n // the merkle tree.\n uint256 leavesLen = leaves.length;\n uint256 totalHashes = proofFlags.length;\n\n // Check proof validity.\n require(leavesLen + proof.length - 1 == totalHashes, \"MerkleProof: invalid multiproof\");\n\n // The xxxPos values are \"pointers\" to the next value to consume in each array. All accesses are done using\n // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's \"pop\".\n bytes32[] memory hashes = new bytes32[](totalHashes);\n uint256 leafPos = 0;\n uint256 hashPos = 0;\n uint256 proofPos = 0;\n // At each step, we compute the next hash using two values:\n // - a value from the \"main queue\". If not all leaves have been consumed, we get the next leaf, otherwise we\n // get the next hash.\n // - depending on the flag, either another value for the \"main queue\" (merging branches) or an element from the\n // `proof` array.\n for (uint256 i = 0; i < totalHashes; i++) {\n bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];\n bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];\n hashes[i] = _hashPair(a, b);\n }\n\n if (totalHashes > 0) {\n return hashes[totalHashes - 1];\n } else if (leavesLen > 0) {\n return leaves[0];\n } else {\n return proof[0];\n }\n }\n\n /**\n * @dev Calldata version of {processMultiProof}\n *\n * _Available since v4.7._\n */\n function processMultiProofCalldata(\n bytes32[] calldata proof,\n bool[] calldata proofFlags,\n bytes32[] memory leaves\n ) internal pure returns (bytes32 merkleRoot) {\n // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by\n // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the\n // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of\n // the merkle tree.\n uint256 leavesLen = leaves.length;\n uint256 totalHashes = proofFlags.length;\n\n // Check proof validity.\n require(leavesLen + proof.length - 1 == totalHashes, \"MerkleProof: invalid multiproof\");\n\n // The xxxPos values are \"pointers\" to the next value to consume in each array. All accesses are done using\n // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's \"pop\".\n bytes32[] memory hashes = new bytes32[](totalHashes);\n uint256 leafPos = 0;\n uint256 hashPos = 0;\n uint256 proofPos = 0;\n // At each step, we compute the next hash using two values:\n // - a value from the \"main queue\". If not all leaves have been consumed, we get the next leaf, otherwise we\n // get the next hash.\n // - depending on the flag, either another value for the \"main queue\" (merging branches) or an element from the\n // `proof` array.\n for (uint256 i = 0; i < totalHashes; i++) {\n bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];\n bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];\n hashes[i] = _hashPair(a, b);\n }\n\n if (totalHashes > 0) {\n return hashes[totalHashes - 1];\n } else if (leavesLen > 0) {\n return leaves[0];\n } else {\n return proof[0];\n }\n }\n\n function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {\n return a < b ? _efficientHash(a, b) : _efficientHash(b, a);\n }\n\n function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, a)\n mstore(0x20, b)\n value := keccak256(0x00, 0x40)\n }\n }\n}\n" }, "contracts/storage/DCNT721AStorage.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nimport './TokenGateConfig.sol';\n\ncontract DCNT721AStorage {\n /// @notice token gating\n TokenGateConfig public tokenGateConfig;\n}" }, "contracts/utils/Splits.sol": { "content": "// SPDX-License-Identifier: GPL-3.0-or-later\npragma solidity ^0.8;\n\nimport {ERC20} from \"solmate/src/tokens/ERC20.sol\";\nimport \"../splits/interfaces/ISplitMain.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\n\nabstract contract Splits is Ownable {\n function _getSplitMain() internal virtual returns (address);\n\n function _getSplitWallet() internal virtual returns (address);\n\n function _setSplitWallet(address _splitWallet) internal virtual;\n\n function createSplit(\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee\n ) public virtual onlyOwner {\n require(_getSplitMain() != address(0), 'SplitMain not set');\n require(_getSplitWallet() == address(0), \"Split already created\");\n address splitAddress = ISplitMain(_getSplitMain()).createSplit(\n accounts,\n percentAllocations,\n distributorFee,\n msg.sender\n );\n _setSplitWallet(splitAddress);\n }\n\n function distributeETH(\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee,\n address distributorAddress\n ) public virtual requireSplit {\n _transferETHToSplit();\n ISplitMain(_getSplitMain()).distributeETH(\n _getSplitWallet(),\n accounts,\n percentAllocations,\n distributorFee,\n distributorAddress\n );\n }\n\n function distributeERC20(\n ERC20 token,\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee,\n address distributorAddress\n ) public virtual requireSplit {\n _transferERC20ToSplit(token);\n ISplitMain(_getSplitMain()).distributeERC20(\n _getSplitWallet(),\n token,\n accounts,\n percentAllocations,\n distributorFee,\n distributorAddress\n );\n }\n\n function distributeAndWithdraw(\n address account,\n uint256 withdrawETH,\n ERC20[] memory tokens,\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee,\n address distributorAddress\n ) public virtual requireSplit {\n if (withdrawETH != 0) {\n distributeETH(\n accounts,\n percentAllocations,\n distributorFee,\n distributorAddress\n );\n }\n\n for (uint256 i = 0; i < tokens.length; ++i) {\n distributeERC20(\n tokens[i],\n accounts,\n percentAllocations,\n distributorFee,\n distributorAddress\n );\n }\n\n _withdraw(account, withdrawETH, tokens);\n }\n\n function transferToSplit(uint256 transferETH, ERC20[] memory tokens)\n public\n virtual\n requireSplit\n {\n if (transferETH != 0) {\n _transferETHToSplit();\n }\n\n for (uint256 i = 0; i < tokens.length; ++i) {\n _transferERC20ToSplit(tokens[i]);\n }\n }\n\n function _transferETHToSplit() internal virtual {\n (bool success, ) = _getSplitWallet().call{value: address(this).balance}(\"\");\n require(success, \"Could not transfer ETH to split\");\n }\n\n function _transferERC20ToSplit(ERC20 token) internal virtual {\n uint256 balance = token.balanceOf(address(this));\n token.transfer(_getSplitWallet(), balance);\n }\n\n function _withdraw(\n address account,\n uint256 withdrawETH,\n ERC20[] memory tokens\n ) internal virtual {\n ISplitMain(_getSplitMain()).withdraw(\n account,\n withdrawETH,\n tokens\n );\n }\n\n modifier requireSplit() {\n require(_getSplitWallet() != address(0), \"Split not created yet\");\n _;\n }\n}\n" }, "contracts/interfaces/ITokenWithBalance.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface ITokenWithBalance {\n function balanceOf(address owner) external\n returns (uint256);\n}\n" }, "erc721a/contracts/IERC721A.sol": { "content": "// SPDX-License-Identifier: MIT\n// ERC721A Contracts v4.2.2\n// Creator: Chiru Labs\n\npragma solidity ^0.8.4;\n\n/**\n * @dev Interface of ERC721A.\n */\ninterface IERC721A {\n /**\n * The caller must own the token or be an approved operator.\n */\n error ApprovalCallerNotOwnerNorApproved();\n\n /**\n * The token does not exist.\n */\n error ApprovalQueryForNonexistentToken();\n\n /**\n * The caller cannot approve to their own address.\n */\n error ApproveToCaller();\n\n /**\n * Cannot query the balance for the zero address.\n */\n error BalanceQueryForZeroAddress();\n\n /**\n * Cannot mint to the zero address.\n */\n error MintToZeroAddress();\n\n /**\n * The quantity of tokens minted must be more than zero.\n */\n error MintZeroQuantity();\n\n /**\n * The token does not exist.\n */\n error OwnerQueryForNonexistentToken();\n\n /**\n * The caller must own the token or be an approved operator.\n */\n error TransferCallerNotOwnerNorApproved();\n\n /**\n * The token must be owned by `from`.\n */\n error TransferFromIncorrectOwner();\n\n /**\n * Cannot safely transfer to a contract that does not implement the\n * ERC721Receiver interface.\n */\n error TransferToNonERC721ReceiverImplementer();\n\n /**\n * Cannot transfer to the zero address.\n */\n error TransferToZeroAddress();\n\n /**\n * The token does not exist.\n */\n error URIQueryForNonexistentToken();\n\n /**\n * The `quantity` minted with ERC2309 exceeds the safety limit.\n */\n error MintERC2309QuantityExceedsLimit();\n\n /**\n * The `extraData` cannot be set on an unintialized ownership slot.\n */\n error OwnershipNotInitializedForExtraData();\n\n // =============================================================\n // STRUCTS\n // =============================================================\n\n struct TokenOwnership {\n // The address of the owner.\n address addr;\n // Stores the start time of ownership with minimal overhead for tokenomics.\n uint64 startTimestamp;\n // Whether the token has been burned.\n bool burned;\n // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.\n uint24 extraData;\n }\n\n // =============================================================\n // TOKEN COUNTERS\n // =============================================================\n\n /**\n * @dev Returns the total number of tokens in existence.\n * Burned tokens will reduce the count.\n * To get the total number of tokens minted, please see {_totalMinted}.\n */\n function totalSupply() external view returns (uint256);\n\n // =============================================================\n // IERC165\n // =============================================================\n\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n\n // =============================================================\n // IERC721\n // =============================================================\n\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables\n * (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in `owner`'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`,\n * checking first that contract recipients are aware of the ERC721 protocol\n * to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move\n * this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement\n * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom}\n * whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token\n * by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the\n * zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom}\n * for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n // =============================================================\n // IERC721Metadata\n // =============================================================\n\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n\n // =============================================================\n // IERC2309\n // =============================================================\n\n /**\n * @dev Emitted when tokens in `fromTokenId` to `toTokenId`\n * (inclusive) is transferred from `from` to `to`, as defined in the\n * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.\n *\n * See {_mintERC2309} for more details.\n */\n event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n" }, "@openzeppelin/contracts/utils/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n" }, "contracts/storage/TokenGateConfig.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nenum SaleType {\n ALL,\n PRESALE,\n PRIMARY\n}\n\nstruct TokenGateConfig {\n address tokenAddress; \n uint88 minBalance;\n SaleType saleType;\n}\n" }, "solmate/src/tokens/ERC20.sol": { "content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)\n/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)\n/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.\nabstract contract ERC20 {\n /*//////////////////////////////////////////////////////////////\n EVENTS\n //////////////////////////////////////////////////////////////*/\n\n event Transfer(address indexed from, address indexed to, uint256 amount);\n\n event Approval(address indexed owner, address indexed spender, uint256 amount);\n\n /*//////////////////////////////////////////////////////////////\n METADATA STORAGE\n //////////////////////////////////////////////////////////////*/\n\n string public name;\n\n string public symbol;\n\n uint8 public immutable decimals;\n\n /*//////////////////////////////////////////////////////////////\n ERC20 STORAGE\n //////////////////////////////////////////////////////////////*/\n\n uint256 public totalSupply;\n\n mapping(address => uint256) public balanceOf;\n\n mapping(address => mapping(address => uint256)) public allowance;\n\n /*//////////////////////////////////////////////////////////////\n EIP-2612 STORAGE\n //////////////////////////////////////////////////////////////*/\n\n uint256 internal immutable INITIAL_CHAIN_ID;\n\n bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;\n\n mapping(address => uint256) public nonces;\n\n /*//////////////////////////////////////////////////////////////\n CONSTRUCTOR\n //////////////////////////////////////////////////////////////*/\n\n constructor(\n string memory _name,\n string memory _symbol,\n uint8 _decimals\n ) {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n\n INITIAL_CHAIN_ID = block.chainid;\n INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();\n }\n\n /*//////////////////////////////////////////////////////////////\n ERC20 LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function approve(address spender, uint256 amount) public virtual returns (bool) {\n allowance[msg.sender][spender] = amount;\n\n emit Approval(msg.sender, spender, amount);\n\n return true;\n }\n\n function transfer(address to, uint256 amount) public virtual returns (bool) {\n balanceOf[msg.sender] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(msg.sender, to, amount);\n\n return true;\n }\n\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual returns (bool) {\n uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.\n\n if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;\n\n balanceOf[from] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n return true;\n }\n\n /*//////////////////////////////////////////////////////////////\n EIP-2612 LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual {\n require(deadline >= block.timestamp, \"PERMIT_DEADLINE_EXPIRED\");\n\n // Unchecked because the only math done is incrementing\n // the owner's nonce which cannot realistically overflow.\n unchecked {\n address recoveredAddress = ecrecover(\n keccak256(\n abi.encodePacked(\n \"\\x19\\x01\",\n DOMAIN_SEPARATOR(),\n keccak256(\n abi.encode(\n keccak256(\n \"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\"\n ),\n owner,\n spender,\n value,\n nonces[owner]++,\n deadline\n )\n )\n )\n ),\n v,\n r,\n s\n );\n\n require(recoveredAddress != address(0) && recoveredAddress == owner, \"INVALID_SIGNER\");\n\n allowance[recoveredAddress][spender] = value;\n }\n\n emit Approval(owner, spender, value);\n }\n\n function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {\n return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();\n }\n\n function computeDomainSeparator() internal view virtual returns (bytes32) {\n return\n keccak256(\n abi.encode(\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\"),\n keccak256(bytes(name)),\n keccak256(\"1\"),\n block.chainid,\n address(this)\n )\n );\n }\n\n /*//////////////////////////////////////////////////////////////\n INTERNAL MINT/BURN LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function _mint(address to, uint256 amount) internal virtual {\n totalSupply += amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(address(0), to, amount);\n }\n\n function _burn(address from, uint256 amount) internal virtual {\n balanceOf[from] -= amount;\n\n // Cannot underflow because a user's balance\n // will never be larger than the total supply.\n unchecked {\n totalSupply -= amount;\n }\n\n emit Transfer(from, address(0), amount);\n }\n}\n" }, "contracts/splits/interfaces/ISplitMain.sol": { "content": "// SPDX-License-Identifier: GPL-3.0-or-later\npragma solidity ^0.8.4;\n\nimport {ERC20} from \"solmate/src/tokens/ERC20.sol\";\n\n/**\n * @title ISplitMain\n * @author 0xSplits \n */\ninterface ISplitMain {\n /**\n * FUNCTIONS\n */\n\n function walletImplementation() external returns (address);\n\n function createSplit(\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee,\n address controller\n ) external returns (address);\n\n function predictImmutableSplitAddress(\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee\n ) external view returns (address);\n\n function updateSplit(\n address split,\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee\n ) external;\n\n function transferControl(address split, address newController) external;\n\n function cancelControlTransfer(address split) external;\n\n function acceptControl(address split) external;\n\n function makeSplitImmutable(address split) external;\n\n function distributeETH(\n address split,\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee,\n address distributorAddress\n ) external;\n\n function updateAndDistributeETH(\n address split,\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee,\n address distributorAddress\n ) external;\n\n function distributeERC20(\n address split,\n ERC20 token,\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee,\n address distributorAddress\n ) external;\n\n function updateAndDistributeERC20(\n address split,\n ERC20 token,\n address[] calldata accounts,\n uint32[] calldata percentAllocations,\n uint32 distributorFee,\n address distributorAddress\n ) external;\n\n function withdraw(\n address account,\n uint256 withdrawETH,\n ERC20[] calldata tokens\n ) external;\n\n /**\n * EVENTS\n */\n\n /** @notice emitted after each successful split creation\n * @param split Address of the created split\n */\n event CreateSplit(address indexed split);\n\n /** @notice emitted after each successful split update\n * @param split Address of the updated split\n */\n event UpdateSplit(address indexed split);\n\n /** @notice emitted after each initiated split control transfer\n * @param split Address of the split control transfer was initiated for\n * @param newPotentialController Address of the split's new potential controller\n */\n event InitiateControlTransfer(\n address indexed split,\n address indexed newPotentialController\n );\n\n /** @notice emitted after each canceled split control transfer\n * @param split Address of the split control transfer was canceled for\n */\n event CancelControlTransfer(address indexed split);\n\n /** @notice emitted after each successful split control transfer\n * @param split Address of the split control was transferred for\n * @param previousController Address of the split's previous controller\n * @param newController Address of the split's new controller\n */\n event ControlTransfer(\n address indexed split,\n address indexed previousController,\n address indexed newController\n );\n\n /** @notice emitted after each successful ETH balance split\n * @param split Address of the split that distributed its balance\n * @param amount Amount of ETH distributed\n * @param distributorAddress Address to credit distributor fee to\n */\n event DistributeETH(\n address indexed split,\n uint256 amount,\n address indexed distributorAddress\n );\n\n /** @notice emitted after each successful ERC20 balance split\n * @param split Address of the split that distributed its balance\n * @param token Address of ERC20 distributed\n * @param amount Amount of ERC20 distributed\n * @param distributorAddress Address to credit distributor fee to\n */\n event DistributeERC20(\n address indexed split,\n ERC20 indexed token,\n uint256 amount,\n address indexed distributorAddress\n );\n\n /** @notice emitted after each successful withdrawal\n * @param account Address that funds were withdrawn to\n * @param ethAmount Amount of ETH withdrawn\n * @param tokens Addresses of ERC20s withdrawn\n * @param tokenAmounts Amounts of corresponding ERC20s withdrawn\n */\n event Withdrawal(\n address indexed account,\n uint256 ethAmount,\n ERC20[] tokens,\n uint256[] tokenAmounts\n );\n}\n" } }, "settings": { "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }