ERC-721
Overview
Max Total Supply
469 SF#9998
Holders
469
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 SF#9998Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Source Code Verified (Exact Match)
Contract Name:
SquiggleFarewell
Compiler Version
v0.8.24+commit.e11b9ed9
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.21; /** @title SquiggleFarewell @author marka @notice Much ♥ to Erick / Snowfro */ import "erc721a/contracts/ERC721A.sol"; import "erc721a/contracts/extensions/ERC721ABurnable.sol"; import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol"; import {Utils} from "./Utils.sol"; import {IScriptyBuilderV2, HTMLRequest, HTMLTagType, HTMLTag} from "../lib/scripty/interfaces/IScriptyBuilderV2.sol"; interface IArtBlocks { function ownerOf(uint256 tokenId) external view returns (address); function showTokenHashes( uint256 _tokenId ) external view returns (bytes32[] memory); function projectScriptByIndex( uint256 _projectId, uint256 _index ) external view returns (string memory); } interface IRelic { function inscriptions(uint256 id) external view returns (address); function message() external view returns (string memory); } contract SquiggleFarewell is ERC721A, ERC721ABurnable, Ownable { address constant snowfroAddress = 0xf3860788D1597cecF938424bAABe976FaC87dC26; address public immutable scriptyBuilderAddress = 0xD7587F110E08F4D120A231bA97d3B577A81Df022; address public immutable scriptyStorageAddress = 0xbD11994aABB55Da86DC246EBB17C1Be0af5b7699; address public immutable ethfsFileStorageAddress = 0x8FAA1AAb9DA8c75917C43Fb24fDdb513edDC3245; IArtBlocks public artblocks = IArtBlocks(0x059EDD72Cd353dF5106D2B9cC5ab83a52287aC3a); IRelic public relic = IRelic(0x9b917686DD68B68A780cB8Bf70aF46617A7b3f80); error NotSnowfro(); error MintClosed(); error NoContracts(); error InvalidInscriptionId(); error InscriptionIdMismatch(); error TokenAlreadyMinted(); uint256 public constant MAX_SUPPLY = 3149; bool mintEnabled; mapping(uint256 => address) public farewells; mapping(uint256 => uint256) public farewellsOrder; event MintedFarewell(address a, uint tokenId); constructor() ERC721A("Squiggle Farewell", "SF#9998") Ownable(msg.sender) {} function mintTokenZero() public { if (msg.sender != snowfroAddress) revert NotSnowfro(); if (_exists(0)) revert TokenAlreadyMinted(); farewells[0] = snowfroAddress; farewellsOrder[0] = 0; _mint(snowfroAddress, 1); mintEnabled = true; emit MintedFarewell(snowfroAddress, 0); } function mint(uint256 _inscriptionId) public { if (mintEnabled == false) revert MintClosed(); if (_inscriptionId < 0 || _inscriptionId >= MAX_SUPPLY) revert InvalidInscriptionId(); if (relic.inscriptions(_inscriptionId) != msg.sender) revert InscriptionIdMismatch(); if (_exists(_inscriptionId)) revert TokenAlreadyMinted(); address a = msg.sender; farewells[_inscriptionId] = a; uint256 orderId = uint256(totalSupply()); farewellsOrder[_inscriptionId] = orderId; // non-consecutive mints, except for inscriptionId == 0 (tokenZero) _mintSpot(a, _inscriptionId); emit MintedFarewell(a, _inscriptionId); } function tokenURI( uint256 _tokenId ) public view virtual override(ERC721A, IERC721A) returns (string memory) { require( _exists(_tokenId), "ERC721Metadata: URI query for nonexistent token" ); return renderAsDataUri(_tokenId); } function renderAsDataUri( uint256 _tokenId ) public view returns (string memory) { // image generation and metadata string memory colorRelic; string memory colorFarewell; string memory matchedOrder = "No"; uint256 hueRelic; uint256 hueFarewell; uint256 farewellOrder = farewellsOrder[_tokenId]; uint256 positionRelic = 5000 - mapValue(_tokenId, 0, 3148, 0, 2500); uint256 positionFarewell = 5000 + mapValue(farewellsOrder[_tokenId], 0, 3148, 0, 2500); // let there be light if (_tokenId == farewellOrder) { hueRelic = 9998; hueFarewell = 9998; colorRelic = "hsl(9998, 0%, 100%)"; // any hsl color with 100% light will be white colorFarewell = "hsl(9998, 0%, 100%)"; // any hsl color with 100% light will be white matchedOrder = "Yes"; } else { hueRelic = mapValue(_tokenId % 3150, 0, 3149, 0, 360); colorRelic = string( abi.encodePacked("hsl(", Utils.uint2str(hueRelic), ", 100%, 50%)") ); hueFarewell = mapValue(farewellOrder % 3150, 0, 3149, 0, 360); colorFarewell= string( abi.encodePacked("hsl(", Utils.uint2str(hueFarewell), ", 100%, 50%)") ); } string memory squiggleSVG = generateSVG(colorRelic, colorFarewell, positionRelic, positionFarewell); string memory imageMetadata = string.concat( '"image":"data:image/svg+xml;base64,', Utils.encode(bytes(squiggleSVG)), '"' ); // squiggle composability uint256 squiggleTokenPrimaryId = 9998; uint256 squiggleTokenFallbackId = 0; uint256 squiggleTokenId = squiggleTokenPrimaryId; bytes32 squiggleHashBytes32; if (isArtBlocksTokenMinted(squiggleTokenPrimaryId)) { squiggleTokenId = squiggleTokenPrimaryId; squiggleHashBytes32 = artblocks.showTokenHashes( squiggleTokenPrimaryId )[0]; } else { squiggleTokenId = squiggleTokenFallbackId; squiggleHashBytes32 = artblocks.showTokenHashes( squiggleTokenFallbackId )[0]; } string memory squiggleHashString = Utils.bytes32ToHexString( squiggleHashBytes32 ); // scripty.sol & ethfs.xyz // css HTMLTag[] memory headTags = new HTMLTag[](2); headTags[0] .tagOpen = "%253Cmeta%2520name%253D%2522viewport%2522%2520content%253D%2522width%253Ddevice-width%252C%2520initial-scale%253D1%252C%2520maximum-scale%253D1%2522%253E"; headTags[1].tagOpen = "%253Cstyle%253E"; headTags[1] .tagContent = "html%2520%257B%250A%2520%2520height%253A%2520100%2525%253B%250A%257D%250Abody%2520%257B%250A%2520%2520min-height%253A%2520100%2525%253B%250A%2520%2520margin%253A%25200%253B%250A%2520%2520padding%253A%25200%253B%250A%257D%250Acanvas%2520%257B%250A%2520%2520padding%253A%25200%253B%250A%2520%2520margin%253A%2520auto%253B%250A%2520%2520display%253A%2520block%253B%250A%2520%2520position%253A%2520absolute%253B%250A%2520%2520top%253A%25200%253B%250A%2520%2520bottom%253A%25200%253B%250A%2520%2520left%253A%25200%253B%250A%2520%2520right%253A%25200%253B%250A%257D"; headTags[1].tagClose = "%253C%252Fstyle%253E"; // p5.js from ethfs.xyz HTMLTag[] memory bodyTags = new HTMLTag[](4); bodyTags[0].name = "p5-v1.5.0.min.js.gz"; bodyTags[0].tagType = HTMLTagType.scriptGZIPBase64DataURI; bodyTags[0].contractAddress = ethfsFileStorageAddress; // gunzipScripts from scripty.sol bodyTags[1].name = "gunzipScripts-0.0.1"; bodyTags[1].tagType = HTMLTagType.script; bodyTags[1].contractAddress = scriptyStorageAddress; // p5.js script ala ArtBlocks generator bodyTags[2] .tagOpen = "%253Cscript%2520src%253D%2522data%253Atext%252Fjavascript%253Bbase64%252C"; string memory squiggleHashCombinedString = string.concat( 'let tokenData = {"tokenId":"', Utils.toString(squiggleTokenId), '","hashes":["0x', squiggleHashString, '"]}' ); string memory squiggleHashCombinedStringBase64 = Utils.encode( bytes(squiggleHashCombinedString) ); bodyTags[2].tagContent = bytes(squiggleHashCombinedStringBase64); bodyTags[2].tagClose = "%2522%253E%253C%252Fscript%253E"; // p5.js Squiggle script, modified bodyTags[3] .tagOpen = "%253Cscript%2520src%253D%2522data%253Atext%252Fjavascript%253Bbase64%252C"; string memory squiggleScriptBase64 = getModifiedArtBlocksScript(_tokenId); bodyTags[3].tagContent = bytes(squiggleScriptBase64); bodyTags[3].tagClose = "%2522%253E%253C%252Fscript%253E"; // create scripty htmlRequest HTMLRequest memory htmlRequest; htmlRequest.headTags = headTags; htmlRequest.bodyTags = bodyTags; // encode scripty htmlRequest bytes memory doubleURLEncodedHTMLDataURI = IScriptyBuilderV2( scriptyBuilderAddress ).getHTMLURLSafe(htmlRequest); // complete metadata return string( abi.encodePacked( "data:application/json,", "%7B%22name%22%3A%22Squiggle%20Farewell%20%23", // {"name":"Squiggle Farewell # Utils.toString(_tokenId), "%22%2C%20%22description%22%3A%22A%20token%20representing%20your%20inscription%20on%20the%20Relic%20contract%20that%20produces%20a%20fully%20on-chain%20Squiggle%20%239998%22%2C", // ", "description":"A token representing your inscription on the Relic contract that produces a fully on-chain Squiggle #9998", "%22attributes%22%3A%5B", // "attributes":[ "%7B%22trait_type%22%3A%22Hue%20Relic%22%2C%22value%22%3A%22", //{"trait_type":"Hue Relic","value":" Utils.toString(hueRelic), "%22%7D", // "} "%2C%7B%22trait_type%22%3A%22Hue%20Farewell%22%2C%22value%22%3A%22", // ,{"trait_type":"Hue Farewell","value":" Utils.toString(hueFarewell), "%22%7D", // "} "%2C%7B%22trait_type%22%3A%22Order%20Relic%22%2C%22value%22%3A%22", // ,{"trait_type":"Order Relic","value":" Utils.toString(_tokenId), "%22%7D", // "} "%2C%7B%22trait_type%22%3A%22Order%20Farewell%22%2C%22value%22%3A%22", // ,{"trait_type":"Order Farewell","value":" Utils.toString(farewellOrder), "%22%7D", // "} "%2C%7B%22trait_type%22%3A%22Matched%20Order%22%2C%22value%22%3A%22", // ,{"trait_type":"Matched Order","value":" matchedOrder, "%22%7D", // "} "%5D", // ] "%2C", // , imageMetadata, "%2C", // , "%22animation_url%22%3A%22", // "animation_url":" doubleURLEncodedHTMLDataURI, "%22%7D" // "} ) ); } function isArtBlocksTokenMinted(uint256 _tokenId) public view returns (bool) { try artblocks.ownerOf(_tokenId) returns (address owner) { return owner != address(0); } catch { return false; } } function mapValue( uint256 _value, uint256 _minInput, uint256 _maxInput, uint256 _minOutput, uint256 _maxOutput ) internal pure returns (uint256) { return _minOutput + ((_value - _minInput) * (_maxOutput - _minOutput)) / (_maxInput - _minInput); } function generateSVG( string memory _colorRelic, string memory _colorFarewell, uint256 _positionRelic, uint256 _positionFarewell ) public pure returns (string memory) { return string( abi.encodePacked( '<svg viewBox="0 0 10000 10000" xmlns="http://www.w3.org/2000/svg" style="width: 100%; height: 100%; background-color: black;">', '<circle cx="', Utils.uint2str(_positionRelic), '" cy="', Utils.uint2str(5000), '" r="400" fill="none" stroke-width="100" stroke="', _colorRelic, '" />', '<circle cx="', Utils.uint2str(_positionFarewell), '" cy="', Utils.uint2str(5000), '" r="400" fill="none" stroke-width="100" stroke="', _colorFarewell, '" />', "</svg>" ) ); } // required for _mintSpot function _sequentialUpTo() internal view virtual override returns (uint256) { return 0; } // Not required as defaults to 0 // function _startTokenId() internal view virtual override returns (uint) { // return 0; // } function setMintOpen(bool _val) external onlyOwner { mintEnabled = _val; } function withdraw() external onlyOwner { (bool sent, ) = payable(owner()).call{value: address(this).balance}(""); require(sent, "Withdraw failed"); } // Script Replace Functions function getModifiedArtBlocksScript(uint256 _tokenId) public view returns (string memory) { // Get the script from the artblocks contract bytes memory squiggleScript = bytes( artblocks.projectScriptByIndex(0, 0) ); // Convert bytes to string string memory scriptStr = string(squiggleScript); // Find and replace the line bytes memory oldLine = bytes("let backgroundIndex = 0;"); bytes memory newLine = bytes("let backgroundIndex = 10;"); scriptStr = _replace(scriptStr, oldLine, newLine); // Convert the modified string back to bytes bytes memory modifiedScript = bytes(scriptStr); // Encode to Base64 string memory squiggleScriptBase64 = Utils.encode(modifiedScript); return squiggleScriptBase64; } function _replace( string memory _str, bytes memory _oldLine, bytes memory _newLine ) internal pure returns (string memory) { bytes memory strBytes = bytes(_str); // Find the start index of the old line int256 index = _indexOf(strBytes, _oldLine); require(index >= 0, "Old line not found"); // Calculate lengths uint256 oldLength = _oldLine.length; uint256 newLength = _newLine.length; uint256 beforeOld = uint256(index); // Create a new bytes array with the new length bytes memory result = new bytes( strBytes.length - oldLength + newLength ); // Copy the bytes before the old line for (uint256 i = 0; i < beforeOld; i++) { result[i] = strBytes[i]; } // Copy the new line for (uint256 i = 0; i < newLength; i++) { result[beforeOld + i] = _newLine[i]; } // Copy the bytes after the old line for (uint256 i = beforeOld + oldLength; i < strBytes.length; i++) { result[newLength + i - oldLength] = strBytes[i]; } return string(result); } function _indexOf( bytes memory _haystack, bytes memory _needle ) internal pure returns (int256) { if (_needle.length == 0 || _haystack.length < _needle.length) { return -1; } bool found = false; for (uint256 i = 0; i <= _haystack.length - _needle.length; i++) { found = true; for (uint256 j = 0; j < _needle.length; j++) { if (_haystack[i + j] != _needle[j]) { found = false; break; } } if (found) { return int256(i); } } return -1; } // Soulbound tokens // Override transfer functions to prevent transfers function _beforeTokenTransfers( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal override { // allow mint and burn if (from != address(0) && to != address(0)) { revert("Soulbound token: transfer is not allowed"); } super._beforeTokenTransfers(from, to, firstTokenId, batchSize); } // Override approve functions to prevent approvals function approve( address to, uint256 tokenId ) public payable virtual override(ERC721A, IERC721A) { revert("Soulbound token: approval is not allowed"); } function setApprovalForAll( address operator, bool approved ) public virtual override(ERC721A, IERC721A) { revert("Soulbound token: approval is not allowed"); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * The `_sequentialUpTo()` function can be overriden to enable spot mints * (i.e. non-consecutive mints) for `tokenId`s greater than `_sequentialUpTo()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // The amount of tokens minted above `_sequentialUpTo()`. // We call these spot mints (i.e. non-sequential mints). uint256 private _spotMinted; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); if (_sequentialUpTo() < _startTokenId()) _revert(SequentialUpToTooSmall.selector); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID for sequential mints. * * Override this function to change the starting token ID for sequential mints. * * Note: The value returned must never change after any tokens have been minted. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the maximum token ID (inclusive) for sequential mints. * * Override this function to return a value less than 2**256 - 1, * but greater than `_startTokenId()`, to enable spot (non-sequential) mints. * * Note: The value returned must never change after any tokens have been minted. */ function _sequentialUpTo() internal view virtual returns (uint256) { return type(uint256).max; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256 result) { // Counter underflow is impossible as `_burnCounter` cannot be incremented // more than `_currentIndex + _spotMinted - _startTokenId()` times. unchecked { // With spot minting, the intermediate `result` can be temporarily negative, // and the computation must be unchecked. result = _currentIndex - _burnCounter - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += _spotMinted; } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256 result) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { result = _currentIndex - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += _spotMinted; } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } /** * @dev Returns the total number of tokens that are spot-minted. */ function _totalSpotMinted() internal view virtual returns (uint256) { return _spotMinted; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) _revert(BalanceQueryForZeroAddress.selector); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) _revert(URIQueryForNonexistentToken.selector); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Returns whether the ownership slot at `index` is initialized. * An uninitialized slot does not necessarily mean that the slot has no owner. */ function _ownershipIsInitialized(uint256 index) internal view virtual returns (bool) { return _packedOwnerships[index] != 0; } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * @dev Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) { if (_startTokenId() <= tokenId) { packed = _packedOwnerships[tokenId]; if (tokenId > _sequentialUpTo()) { if (_packedOwnershipExists(packed)) return packed; _revert(OwnerQueryForNonexistentToken.selector); } // If the data at the starting slot does not exist, start the scan. if (packed == 0) { if (tokenId >= _currentIndex) _revert(OwnerQueryForNonexistentToken.selector); // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `tokenId` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. for (;;) { unchecked { packed = _packedOwnerships[--tokenId]; } if (packed == 0) continue; if (packed & _BITMASK_BURNED == 0) return packed; // Otherwise, the token is burned, and we must revert. // This handles the case of batch burned tokens, where only the burned bit // of the starting slot is set, and remaining slots are left uninitialized. _revert(OwnerQueryForNonexistentToken.selector); } } // Otherwise, the data exists and we can skip the scan. // This is possible because we have already achieved the target condition. // This saves 2143 gas on transfers of initialized tokens. // If the token is not burned, return `packed`. Otherwise, revert. if (packed & _BITMASK_BURNED == 0) return packed; } _revert(OwnerQueryForNonexistentToken.selector); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. See {ERC721A-_approve}. * * Requirements: * * - The caller must own the token or be an approved operator. */ function approve(address to, uint256 tokenId) public payable virtual override { _approve(to, tokenId, true); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) _revert(ApprovalQueryForNonexistentToken.selector); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool result) { if (_startTokenId() <= tokenId) { if (tokenId > _sequentialUpTo()) return _packedOwnershipExists(_packedOwnerships[tokenId]); if (tokenId < _currentIndex) { uint256 packed; while ((packed = _packedOwnerships[tokenId]) == 0) --tokenId; result = packed & _BITMASK_BURNED == 0; } } } /** * @dev Returns whether `packed` represents a token that exists. */ function _packedOwnershipExists(uint256 packed) private pure returns (bool result) { assembly { // The following is equivalent to `owner != address(0) && burned == false`. // Symbolically tested. result := gt(and(packed, _BITMASK_ADDRESS), and(packed, _BITMASK_BURNED)) } } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public payable virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); // Mask `from` to the lower 160 bits, in case the upper bits somehow aren't clean. from = address(uint160(uint256(uint160(from)) & _BITMASK_ADDRESS)); if (address(uint160(prevOwnershipPacked)) != from) _revert(TransferFromIncorrectOwner.selector); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) _revert(TransferCallerNotOwnerNorApproved.selector); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; assembly { // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. from, // `from`. toMasked, // `to`. tokenId // `tokenId`. ) } if (toMasked == 0) _revert(TransferToZeroAddress.selector); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public payable virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public payable virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { _revert(TransferToNonERC721ReceiverImplementer.selector); } assembly { revert(add(32, reason), mload(reason)) } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) _revert(MintZeroQuantity.selector); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; if (toMasked == 0) _revert(MintToZeroAddress.selector); uint256 end = startTokenId + quantity; uint256 tokenId = startTokenId; if (end - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); do { assembly { // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. tokenId // `tokenId`. ) } // The `!=` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. } while (++tokenId != end); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) _revert(MintToZeroAddress.selector); if (quantity == 0) _revert(MintZeroQuantity.selector); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) _revert(MintERC2309QuantityExceedsLimit.selector); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); if (startTokenId + quantity - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } } while (index < end); // This prevents reentrancy to `_safeMint`. // It does not prevent reentrancy to `_safeMintSpot`. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } /** * @dev Mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * Emits a {Transfer} event for each mint. */ function _mintSpot(address to, uint256 tokenId) internal virtual { if (tokenId <= _sequentialUpTo()) _revert(SpotMintTokenIdTooSmall.selector); uint256 prevOwnershipPacked = _packedOwnerships[tokenId]; if (_packedOwnershipExists(prevOwnershipPacked)) _revert(TokenAlreadyExists.selector); _beforeTokenTransfers(address(0), to, tokenId, 1); // Overflows are incredibly unrealistic. // The `numberMinted` for `to` is incremented by 1, and has a max limit of 2**64 - 1. // `_spotMinted` is incremented by 1, and has a max limit of 2**256 - 1. unchecked { // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `true` (as `quantity == 1`). _packedOwnerships[tokenId] = _packOwnershipData( to, _nextInitializedFlag(1) | _nextExtraData(address(0), to, prevOwnershipPacked) ); // Updates: // - `balance += 1`. // - `numberMinted += 1`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += (1 << _BITPOS_NUMBER_MINTED) | 1; // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; if (toMasked == 0) _revert(MintToZeroAddress.selector); assembly { // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. tokenId // `tokenId`. ) } ++_spotMinted; } _afterTokenTransfers(address(0), to, tokenId, 1); } /** * @dev Safely mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * See {_mintSpot}. * * Emits a {Transfer} event. */ function _safeMintSpot( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mintSpot(to, tokenId); unchecked { if (to.code.length != 0) { uint256 currentSpotMinted = _spotMinted; if (!_checkContractOnERC721Received(address(0), to, tokenId, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } // This prevents reentrancy to `_safeMintSpot`. // It does not prevent reentrancy to `_safeMint`. if (_spotMinted != currentSpotMinted) revert(); } } } /** * @dev Equivalent to `_safeMintSpot(to, tokenId, '')`. */ function _safeMintSpot(address to, uint256 tokenId) internal virtual { _safeMintSpot(to, tokenId, ''); } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Equivalent to `_approve(to, tokenId, false)`. */ function _approve(address to, uint256 tokenId) internal virtual { _approve(to, tokenId, false); } /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - `tokenId` must exist. * * Emits an {Approval} event. */ function _approve( address to, uint256 tokenId, bool approvalCheck ) internal virtual { address owner = ownerOf(tokenId); if (approvalCheck && _msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { _revert(ApprovalCallerNotOwnerNorApproved.selector); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) _revert(TransferCallerNotOwnerNorApproved.selector); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as `_burnCounter` cannot be exceed `_currentIndex + _spotMinted` times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) _revert(OwnershipNotInitializedForExtraData.selector); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } /** * @dev For more efficient reverts. */ function _revert(bytes4 errorSelector) internal pure { assembly { mstore(0x00, errorSelector) revert(0x00, 0x04) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721ABurnable.sol'; import '../ERC721A.sol'; /** * @title ERC721ABurnable. * * @dev ERC721A token that can be irreversibly burned (destroyed). */ abstract contract ERC721ABurnable is ERC721A, IERC721ABurnable { /** * @dev Burns `tokenId`. See {ERC721A-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) public virtual override { _burn(tokenId, true); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. This can * later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.21; // copied from: https://github.com/Vectorized/solady/blob/2353e93b77eb6a4a99514c127b753e99a088ae68/src/utils/LibString.sol#L31 library Utils { function abs(int x) internal pure returns (int) { return x >= 0 ? x : -x; } function max(int a, int b) internal pure returns (int) { return a > b ? a : b; } function min(int a, int b) internal pure returns (int) { return a < b ? a : b; } /// @dev Returns the base 10 decimal representation of `value`. function toString(uint256 value) internal pure returns (string memory str) { /// @solidity memory-safe-assembly assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. str := add(mload(0x40), 0x80) // Update the free memory pointer to allocate. mstore(0x40, add(str, 0x20)) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str let w := not(0) // Tsk. // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. for { let temp := value } 1 {} { str := add(str, w) // `sub(str, 1)`. // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } /// @dev Returns the base 10 decimal representation of `value`. function toString(int256 value) internal pure returns (string memory str) { if (value >= 0) { return toString(uint256(value)); } unchecked { str = toString(uint256(-value)); } /// @solidity memory-safe-assembly assembly { // We still have some spare memory space on the left, // as we have allocated 3 words (96 bytes) for up to 78 digits. let length := mload(str) // Load the string length. mstore(str, 0x2d) // Store the '-' character. str := sub(str, 1) // Move back the string pointer by a byte. mstore(str, add(length, 1)) // Update the string length. } } /// @dev Encodes `data` using the base64 encoding described in RFC 4648. /// See: https://datatracker.ietf.org/doc/html/rfc4648 /// @param fileSafe Whether to replace '+' with '-' and '/' with '_'. /// @param noPadding Whether to strip away the padding. function encode(bytes memory data, bool fileSafe, bool noPadding) internal pure returns (string memory result) { /// @solidity memory-safe-assembly assembly { let dataLength := mload(data) if dataLength { // Multiply by 4/3 rounded up. // The `shl(2, ...)` is equivalent to multiplying by 4. let encodedLength := shl(2, div(add(dataLength, 2), 3)) // Set `result` to point to the start of the free memory. result := mload(0x40) // Store the table into the scratch space. // Offsetted by -1 byte so that the `mload` will load the character. // We will rewrite the free memory pointer at `0x40` later with // the allocated size. // The magic constant 0x0670 will turn "-_" into "+/". mstore(0x1f, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdef") mstore(0x3f, xor("ghijklmnopqrstuvwxyz0123456789-_", mul(iszero(fileSafe), 0x0670))) // Skip the first slot, which stores the length. let ptr := add(result, 0x20) let end := add(ptr, encodedLength) // Run over the input, 3 bytes at a time. for {} 1 {} { data := add(data, 3) // Advance 3 bytes. let input := mload(data) // Write 4 bytes. Optimized for fewer stack operations. mstore8(0, mload(and(shr(18, input), 0x3F))) mstore8(1, mload(and(shr(12, input), 0x3F))) mstore8(2, mload(and(shr(6, input), 0x3F))) mstore8(3, mload(and(input, 0x3F))) mstore(ptr, mload(0x00)) ptr := add(ptr, 4) // Advance 4 bytes. if iszero(lt(ptr, end)) { break } } mstore(0x40, add(end, 0x20)) // Allocate the memory. // Equivalent to `o = [0, 2, 1][dataLength % 3]`. let o := div(2, mod(dataLength, 3)) // Offset `ptr` and pad with '='. We can simply write over the end. mstore(sub(ptr, o), shl(240, 0x3d3d)) // Set `o` to zero if there is padding. o := mul(iszero(iszero(noPadding)), o) mstore(sub(ptr, o), 0) // Zeroize the slot after the string. mstore(result, sub(encodedLength, o)) // Store the length. } } } /// @dev Encodes `data` using the base64 encoding described in RFC 4648. /// Equivalent to `encode(data, false, false)`. function encode(bytes memory data) internal pure returns (string memory result) { result = encode(data, false, false); } /// @dev Encodes `data` using the base64 encoding described in RFC 4648. /// Equivalent to `encode(data, fileSafe, false)`. function encode(bytes memory data, bool fileSafe) internal pure returns (string memory result) { result = encode(data, fileSafe, false); } function bytes32ToString(bytes32 _bytes32) public pure returns (string memory) { uint8 i = 0; while (i < 32 && _bytes32[i] != 0) { i++; } bytes memory bytesArray = new bytes(i); for (i = 0; i < 32 && _bytes32[i] != 0; i++) { bytesArray[i] = _bytes32[i]; } return string(bytesArray); } // Function to convert an array of bytes32 to an array of strings function bytes32ArrayToStringArray(bytes32[] memory _bytes32Array) public pure returns (string[] memory) { string[] memory stringArray = new string[](_bytes32Array.length); for (uint256 i = 0; i < _bytes32Array.length; i++) { stringArray[i] = bytes32ToString(_bytes32Array[i]); } return stringArray; } function bytes32ToBytes(bytes32 _bytes32) public pure returns (bytes memory) { bytes memory byteArray = new bytes(32); for (uint256 i = 0; i < 32; i++) { byteArray[i] = _bytes32[i]; } return byteArray; } function byteToHexChar(uint8 b) internal pure returns (bytes1) { if (b < 10) { return bytes1(b + 0x30); // 0x30 is ASCII '0' } else { return bytes1(b + 0x57); // 0x57 is ASCII 'a' - 10 } } // Convert bytes32 to a hex string function bytes32ToHexString(bytes32 _bytes32) public pure returns (string memory) { bytes memory hexString = new bytes(64); // 2 hex characters per byte for (uint256 i = 0; i < 32; i++) { uint8 b = uint8(_bytes32[i]); hexString[2*i] = byteToHexChar(b >> 4); // high nibble hexString[2*i+1] = byteToHexChar(b & 0x0f); // low nibble } return string(hexString); } // Convert uint256 to string function uint2str(uint256 _i) internal pure returns (string memory) { if (_i == 0) { return "0"; } uint256 j = _i; uint256 len; while (j != 0) { len++; j /= 10; } bytes memory bstr = new bytes(len); uint256 k = len; while (_i != 0) { k = k-1; uint8 temp = (48 + uint8(_i - _i / 10 * 10)); bytes1 b1 = bytes1(temp); bstr[k] = b1; _i /= 10; } return string(bstr); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.22; /////////////////////////////////////////////////////////// // ░██████╗░█████╗░██████╗░██╗██████╗░████████╗██╗░░░██╗ // // ██╔════╝██╔══██╗██╔══██╗██║██╔══██╗╚══██╔══╝╚██╗░██╔╝ // // ╚█████╗░██║░░╚═╝██████╔╝██║██████╔╝░░░██║░░░░╚████╔╝░ // // ░╚═══██╗██║░░██╗██╔══██╗██║██╔═══╝░░░░██║░░░░░╚██╔╝░░ // // ██████╔╝╚█████╔╝██║░░██║██║██║░░░░░░░░██║░░░░░░██║░░░ // // ╚═════╝░░╚════╝░╚═╝░░╚═╝╚═╝╚═╝░░░░░░░░╚═╝░░░░░░╚═╝░░░ // /////////////////////////////////////////////////////////// /** @title A generic HTML builder that fetches and assembles given JS requests. @author @0xthedude @author @xtremetom Special thanks to @cxkoda and @frolic */ import "./IScriptyHTML.sol"; import "./IScriptyHTMLURLSafe.sol"; interface IScriptyBuilderV2 is IScriptyHTML, IScriptyHTMLURLSafe {}
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); /** * `_sequentialUpTo()` must be greater than `_startTokenId()`. */ error SequentialUpToTooSmall(); /** * The `tokenId` of a sequential mint exceeds `_sequentialUpTo()`. */ error SequentialMintExceedsLimit(); /** * Spot minting requires a `tokenId` greater than `_sequentialUpTo()`. */ error SpotMintTokenIdTooSmall(); /** * Cannot mint over a token that already exists. */ error TokenAlreadyExists(); /** * The feature is not compatible with spot mints. */ error NotCompatibleWithSpotMints(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external payable; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external payable; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // Creator: Chiru Labs pragma solidity ^0.8.4; import '../IERC721A.sol'; /** * @dev Interface of ERC721ABurnable. */ interface IERC721ABurnable is IERC721A { /** * @dev Burns `tokenId`. See {ERC721A-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.22; /////////////////////////////////////////////////////////// // ░██████╗░█████╗░██████╗░██╗██████╗░████████╗██╗░░░██╗ // // ██╔════╝██╔══██╗██╔══██╗██║██╔══██╗╚══██╔══╝╚██╗░██╔╝ // // ╚█████╗░██║░░╚═╝██████╔╝██║██████╔╝░░░██║░░░░╚████╔╝░ // // ░╚═══██╗██║░░██╗██╔══██╗██║██╔═══╝░░░░██║░░░░░╚██╔╝░░ // // ██████╔╝╚█████╔╝██║░░██║██║██║░░░░░░░░██║░░░░░░██║░░░ // // ╚═════╝░░╚════╝░╚═╝░░╚═╝╚═╝╚═╝░░░░░░░░╚═╝░░░░░░╚═╝░░░ // /////////////////////////////////////////////////////////// import {HTMLRequest, HTMLTagType, HTMLTag} from "./../core/ScriptyCore.sol"; interface IScriptyHTML { // ============================================================= // RAW HTML GETTERS // ============================================================= /** * @notice Get HTML with requested head tags and body tags * @dev Your HTML is returned in the following format: * <html> * <head> * [tagOpen[0]][contractRequest[0] | tagContent[0]][tagClose[0]] * [tagOpen[1]][contractRequest[0] | tagContent[1]][tagClose[1]] * ... * [tagOpen[n]][contractRequest[0] | tagContent[n]][tagClose[n]] * </head> * <body> * [tagOpen[0]][contractRequest[0] | tagContent[0]][tagClose[0]] * [tagOpen[1]][contractRequest[0] | tagContent[1]][tagClose[1]] * ... * [tagOpen[n]][contractRequest[0] | tagContent[n]][tagClose[n]] * </body> * </html> * @param htmlRequest - HTMLRequest * @return Full HTML with head and body tags */ function getHTML( HTMLRequest memory htmlRequest ) external view returns (bytes memory); // ============================================================= // ENCODED HTML GETTERS // ============================================================= /** * @notice Get {getHTML} and base64 encode it * @param htmlRequest - HTMLRequest * @return Full HTML with head and script tags, base64 encoded */ function getEncodedHTML( HTMLRequest memory htmlRequest ) external view returns (bytes memory); // ============================================================= // STRING UTILITIES // ============================================================= /** * @notice Convert {getHTML} output to a string * @param htmlRequest - HTMLRequest * @return {getHTMLWrapped} as a string */ function getHTMLString( HTMLRequest memory htmlRequest ) external view returns (string memory); /** * @notice Convert {getEncodedHTML} output to a string * @param htmlRequest - HTMLRequest * @return {getEncodedHTML} as a string */ function getEncodedHTMLString( HTMLRequest memory htmlRequest ) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.22; /////////////////////////////////////////////////////////// // ░██████╗░█████╗░██████╗░██╗██████╗░████████╗██╗░░░██╗ // // ██╔════╝██╔══██╗██╔══██╗██║██╔══██╗╚══██╔══╝╚██╗░██╔╝ // // ╚█████╗░██║░░╚═╝██████╔╝██║██████╔╝░░░██║░░░░╚████╔╝░ // // ░╚═══██╗██║░░██╗██╔══██╗██║██╔═══╝░░░░██║░░░░░╚██╔╝░░ // // ██████╔╝╚█████╔╝██║░░██║██║██║░░░░░░░░██║░░░░░░██║░░░ // // ╚═════╝░░╚════╝░╚═╝░░╚═╝╚═╝╚═╝░░░░░░░░╚═╝░░░░░░╚═╝░░░ // /////////////////////////////////////////////////////////// import {HTMLRequest, HTMLTagType, HTMLTag} from "./../core/ScriptyCore.sol"; interface IScriptyHTMLURLSafe { // ============================================================= // RAW HTML GETTERS // ============================================================= /** * @notice Get URL safe HTML with requested head tags and body tags * @dev Any tags with tagType = 1/script are converted to base64 and wrapped * with <script src="data:text/javascript;base64,[SCRIPT]"></script> * * [WARNING]: Large non-base64 libraries that need base64 encoding * carry a high risk of causing a gas out. Highly advised the use * of base64 encoded scripts where possible * * Your HTML is returned in the following format: * * <html> * <head> * [tagOpen[0]][contractRequest[0] | tagContent[0]][tagClose[0]] * [tagOpen[1]][contractRequest[0] | tagContent[1]][tagClose[1]] * ... * [tagOpen[n]][contractRequest[0] | tagContent[n]][tagClose[n]] * </head> * <body> * [tagOpen[0]][contractRequest[0] | tagContent[0]][tagClose[0]] * [tagOpen[1]][contractRequest[0] | tagContent[1]][tagClose[1]] * ... * [tagOpen[n]][contractRequest[0] | tagContent[n]][tagClose[n]] * </body> * </html> * @param htmlRequest - HTMLRequest * @return Full HTML with head and body tags */ function getHTMLURLSafe( HTMLRequest memory htmlRequest ) external view returns (bytes memory); // ============================================================= // STRING UTILITIES // ============================================================= /** * @notice Convert {getHTMLURLSafe} output to a string * @param htmlRequest - HTMLRequest * @return {getHTMLURLSafe} as a string */ function getHTMLURLSafeString( HTMLRequest memory htmlRequest ) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; /////////////////////////////////////////////////////////// // ░██████╗░█████╗░██████╗░██╗██████╗░████████╗██╗░░░██╗ // // ██╔════╝██╔══██╗██╔══██╗██║██╔══██╗╚══██╔══╝╚██╗░██╔╝ // // ╚█████╗░██║░░╚═╝██████╔╝██║██████╔╝░░░██║░░░░╚████╔╝░ // // ░╚═══██╗██║░░██╗██╔══██╗██║██╔═══╝░░░░██║░░░░░╚██╔╝░░ // // ██████╔╝╚█████╔╝██║░░██║██║██║░░░░░░░░██║░░░░░░██║░░░ // // ╚═════╝░░╚════╝░╚═╝░░╚═╝╚═╝╚═╝░░░░░░░░╚═╝░░░░░░╚═╝░░░ // /////////////////////////////////////////////////////////// //░░░░░░░░░░░░░░░░░░░░░░ CORE ░░░░░░░░░░░░░░░░░░░░░// /////////////////////////////////////////////////////////// import {HTMLRequest, HTMLTagType, HTMLTag} from "./ScriptyStructs.sol"; import {DynamicBuffer} from "./../utils/DynamicBuffer.sol"; import {IScriptyContractStorage} from "./../interfaces/IScriptyContractStorage.sol"; contract ScriptyCore { using DynamicBuffer for bytes; // ============================================================= // TAG CONSTANTS // ============================================================= // data:text/html;base64, // raw // 22 bytes bytes public constant DATA_HTML_BASE64_URI_RAW = "data:text/html;base64,"; // url encoded // 21 bytes bytes public constant DATA_HTML_URL_SAFE = "data%3Atext%2Fhtml%2C"; // <html>, // raw // 6 bytes bytes public constant HTML_OPEN_RAW = "<html>"; // url encoded // 10 bytes bytes public constant HTML_OPEN_URL_SAFE = "%3Chtml%3E"; // <head>, // raw // 6 bytes bytes public constant HEAD_OPEN_RAW = "<head>"; // url encoded // 10 bytes bytes public constant HEAD_OPEN_URL_SAFE = "%3Chead%3E"; // </head>, // raw // 7 bytes bytes public constant HEAD_CLOSE_RAW = "</head>"; // url encoded // 13 bytes bytes public constant HEAD_CLOSE_URL_SAFE = "%3C%2Fhead%3E"; // <body> // 6 bytes bytes public constant BODY_OPEN_RAW = "<body>"; // url encoded // 10 bytes bytes public constant BODY_OPEN_URL_SAFE = "%3Cbody%3E"; // </body></html> // 14 bytes bytes public constant HTML_BODY_CLOSED_RAW = "</body></html>"; // 26 bytes bytes public constant HTML_BODY_CLOSED_URL_SAFE = "%3C%2Fbody%3E%3C%2Fhtml%3E"; // [RAW] // HTML_OPEN + HEAD_OPEN + HEAD_CLOSE + BODY_OPEN + HTML_BODY_CLOSED uint256 public constant URLS_RAW_BYTES = 39; // [URL_SAFE] // DATA_HTML_URL_SAFE + HTML_OPEN + HEAD_OPEN + HEAD_CLOSE + BODY_OPEN + HTML_BODY_CLOSED uint256 public constant URLS_SAFE_BYTES = 90; // [RAW] // HTML_OPEN + HTML_CLOSE uint256 public constant HTML_RAW_BYTES = 13; // [RAW] // HEAD_OPEN + HEAD_CLOSE uint256 public constant HEAD_RAW_BYTES = 13; // [RAW] // BODY_OPEN + BODY_CLOSE uint256 public constant BODY_RAW_BYTES = 13; // All raw // HTML_RAW_BYTES + HEAD_RAW_BYTES + BODY_RAW_BYTES uint256 public constant RAW_BYTES = 39; // [URL_SAFE] // HTML_OPEN + HTML_CLOSE uint256 public constant HTML_URL_SAFE_BYTES = 23; // [URL_SAFE] // HEAD_OPEN + HEAD_CLOSE uint256 public constant HEAD_URL_SAFE_BYTES = 23; // [URL_SAFE] // BODY_OPEN + BODY_CLOSE uint256 public constant BODY_SAFE_BYTES = 23; // All url safe // HTML_URL_SAFE_BYTES + HEAD_URL_SAFE_BYTES + BODY_URL_SAFE_BYTES // %3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E uint256 public constant URL_SAFE_BYTES = 69; // data:text/html;base64, uint256 public constant HTML_BASE64_DATA_URI_BYTES = 22; // ============================================================= // TAG OPEN CLOSE TEMPLATES // ============================================================= /** * @notice Grab tag open and close depending on tag type * @dev * tagType: 0/HTMLTagType.useTagOpenAndClose or any other: * [tagOpen][CONTENT][tagClose] * * tagType: 1/HTMLTagType.script: * <script>[SCRIPT]</script> * * tagType: 2/HTMLTagType.scriptBase64DataURI: * <script src="data:text/javascript;base64,[SCRIPT]"></script> * * tagType: 3/HTMLTagType.scriptGZIPBase64DataURI: * <script type="text/javascript+gzip" src="data:text/javascript;base64,[SCRIPT]"></script> * * tagType: 4/HTMLTagType.scriptPNGBase64DataURI * <script type="text/javascript+png" name="[NAME]" src="data:text/javascript;base64,[SCRIPT]"></script> * * [IMPORTANT NOTE]: The tags `text/javascript+gzip` and `text/javascript+png` are used to identify scripts * during decompression * * @param htmlTag - HTMLTag data for code * @return (tagOpen, tagClose) - Tag open and close as a tuple */ function tagOpenCloseForHTMLTag( HTMLTag memory htmlTag ) public pure returns (bytes memory, bytes memory) { if (htmlTag.tagType == HTMLTagType.script) { return ("<script>", "</script>"); } else if (htmlTag.tagType == HTMLTagType.scriptBase64DataURI) { return ('<script src="data:text/javascript;base64,', '"></script>'); } else if (htmlTag.tagType == HTMLTagType.scriptGZIPBase64DataURI) { return ( '<script type="text/javascript+gzip" src="data:text/javascript;base64,', '"></script>' ); } else if (htmlTag.tagType == HTMLTagType.scriptPNGBase64DataURI) { return ( '<script type="text/javascript+png" src="data:text/javascript;base64,', '"></script>' ); } return (htmlTag.tagOpen, htmlTag.tagClose); } /** * @notice Grab URL safe tag open and close depending on tag type * @dev * tagType: 0/HTMLTagType.useTagOpenAndClose or any other: * [tagOpen][scriptContent or scriptFromContract][tagClose] * * tagType: 1/HTMLTagType.script: * tagType: 2/HTMLTagType.scriptBase64DataURI: * <script src="data:text/javascript;base64,[SCRIPT]"></script> * * tagType: 3/HTMLTagType.scriptGZIPBase64DataURI: * <script type="text/javascript+gzip" src="data:text/javascript;base64,[SCRIPT]"></script> * * tagType: 4/HTMLTagType.scriptPNGBase64DataURI * <script type="text/javascript+png" name="[NAME]" src="data:text/javascript;base64,[SCRIPT]"></script> * * [IMPORTANT NOTE]: The tags `text/javascript+gzip` and `text/javascript+png` are used to identify scripts * during decompression * * @param htmlTag - HTMLTag data for code * @return (tagOpen, tagClose) - Tag open and close as a tuple */ function tagOpenCloseForHTMLTagURLSafe( HTMLTag memory htmlTag ) public pure returns (bytes memory, bytes memory) { if ( htmlTag.tagType == HTMLTagType.script || htmlTag.tagType == HTMLTagType.scriptBase64DataURI ) { // <script src="data:text/javascript;base64, // "></script> return ( "%253Cscript%2520src%253D%2522data%253Atext%252Fjavascript%253Bbase64%252C", "%2522%253E%253C%252Fscript%253E" ); } else if (htmlTag.tagType == HTMLTagType.scriptGZIPBase64DataURI) { // <script type="text/javascript+gzip" src="data:text/javascript;base64, // "></script> return ( "%253Cscript%2520type%253D%2522text%252Fjavascript%252Bgzip%2522%2520src%253D%2522data%253Atext%252Fjavascript%253Bbase64%252C", "%2522%253E%253C%252Fscript%253E" ); } else if (htmlTag.tagType == HTMLTagType.scriptPNGBase64DataURI) { // <script type="text/javascript+png" src="data:text/javascript;base64, // "></script> return ( "%253Cscript%2520type%253D%2522text%252Fjavascript%252Bpng%2522%2520src%253D%2522data%253Atext%252Fjavascript%253Bbase64%252C", "%2522%253E%253C%252Fscript%253E" ); } return (htmlTag.tagOpen, htmlTag.tagClose); } // ============================================================= // TAG CONTENT FETCHER // ============================================================= /** * @notice Grabs requested tag content from storage * @dev * If given HTMLTag contains non empty contractAddress * this method will fetch the content from given storage * contract. Otherwise, it will return the tagContent * from the given htmlTag. * * @param htmlTag - HTMLTag */ function fetchTagContent( HTMLTag memory htmlTag ) public view returns (bytes memory) { if (htmlTag.contractAddress != address(0)) { return IScriptyContractStorage(htmlTag.contractAddress).getContent( htmlTag.name, htmlTag.contractData ); } return htmlTag.tagContent; } // ============================================================= // SIZE OPERATIONS // ============================================================= /** * @notice Calculate the buffer size post base64 encoding * @param value - Starting buffer size * @return Final buffer size as uint256 */ function sizeForBase64Encoding( uint256 value ) public pure returns (uint256) { unchecked { return 4 * ((value + 2) / 3); } } /** * @notice Adds the required tag open/close and calculates buffer size of tags * @dev Effectively multiple functions bundled into one as this saves gas * @param htmlTags - Array of HTMLTag * @param isURLSafe - Bool to handle tag content/open/close encoding * @return Total buffersize of updated HTMLTags */ function _enrichHTMLTags( HTMLTag[] memory htmlTags, bool isURLSafe ) internal view returns (uint256) { if (htmlTags.length == 0) { return 0; } bytes memory tagOpen; bytes memory tagClose; bytes memory tagContent; uint256 totalSize; uint256 length = htmlTags.length; uint256 i; unchecked { do { tagContent = fetchTagContent(htmlTags[i]); htmlTags[i].tagContent = tagContent; if (isURLSafe && htmlTags[i].tagType == HTMLTagType.script) { totalSize += sizeForBase64Encoding(tagContent.length); } else { totalSize += tagContent.length; } if (isURLSafe) { (tagOpen, tagClose) = tagOpenCloseForHTMLTagURLSafe( htmlTags[i] ); } else { (tagOpen, tagClose) = tagOpenCloseForHTMLTag(htmlTags[i]); } htmlTags[i].tagOpen = tagOpen; htmlTags[i].tagClose = tagClose; totalSize += tagOpen.length; totalSize += tagClose.length; } while (++i < length); } return totalSize; } // ============================================================= // HTML CONCATENATION // ============================================================= /** * @notice Append tags to the html buffer for tags * @param htmlFile - bytes buffer * @param htmlTags - Tags being added to buffer * @param base64EncodeTagContent - Bool to handle tag content encoding */ function _appendHTMLTags( bytes memory htmlFile, HTMLTag[] memory htmlTags, bool base64EncodeTagContent ) internal pure { uint256 i; unchecked { do { _appendHTMLTag(htmlFile, htmlTags[i], base64EncodeTagContent); } while (++i < htmlTags.length); } } /** * @notice Append tag to the html buffer * @param htmlFile - bytes buffer * @param htmlTag - Request being added to buffer * @param base64EncodeTagContent - Bool to handle tag content encoding */ function _appendHTMLTag( bytes memory htmlFile, HTMLTag memory htmlTag, bool base64EncodeTagContent ) internal pure { htmlFile.appendSafe(htmlTag.tagOpen); if (base64EncodeTagContent) { htmlFile.appendSafeBase64(htmlTag.tagContent, false, false); } else { htmlFile.appendSafe(htmlTag.tagContent); } htmlFile.appendSafe(htmlTag.tagClose); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; /////////////////////////////////////////////////////////// // ░██████╗░█████╗░██████╗░██╗██████╗░████████╗██╗░░░██╗ // // ██╔════╝██╔══██╗██╔══██╗██║██╔══██╗╚══██╔══╝╚██╗░██╔╝ // // ╚█████╗░██║░░╚═╝██████╔╝██║██████╔╝░░░██║░░░░╚████╔╝░ // // ░╚═══██╗██║░░██╗██╔══██╗██║██╔═══╝░░░░██║░░░░░╚██╔╝░░ // // ██████╔╝╚█████╔╝██║░░██║██║██║░░░░░░░░██║░░░░░░██║░░░ // // ╚═════╝░░╚════╝░╚═╝░░╚═╝╚═╝╚═╝░░░░░░░░╚═╝░░░░░░╚═╝░░░ // /////////////////////////////////////////////////////////// //░░░░░░░░░░░░░░░░░░░ REQUESTS ░░░░░░░░░░░░░░░░░░░░// /////////////////////////////////////////////////////////// struct HTMLRequest { HTMLTag[] headTags; HTMLTag[] bodyTags; } enum HTMLTagType { useTagOpenAndClose, script, scriptBase64DataURI, scriptGZIPBase64DataURI, scriptPNGBase64DataURI } struct HTMLTag { string name; address contractAddress; bytes contractData; HTMLTagType tagType; bytes tagOpen; bytes tagClose; bytes tagContent; }
// SPDX-License-Identifier: MIT // Copyright (c) 2021 the ethier authors (github.com/divergencetech/ethier) pragma solidity ^0.8.22; /// @title DynamicBuffer /// @author David Huber (@cxkoda) and Simon Fremaux (@dievardump). See also /// https://raw.githubusercontent.com/dievardump/solidity-dynamic-buffer /// @notice This library is used to allocate a big amount of container memory // which will be subsequently filled without needing to reallocate /// memory. /// @dev First, allocate memory. /// Then use `buffer.appendUnchecked(theBytes)` or `appendSafe()` if /// bounds checking is required. library DynamicBuffer { /// @notice Allocates container space for the DynamicBuffer /// @param capacity_ The intended max amount of bytes in the buffer /// @return buffer The memory location of the buffer /// @dev Allocates `capacity_ + 0x60` bytes of space /// The buffer array starts at the first container data position, /// (i.e. `buffer = container + 0x20`) function allocate(uint256 capacity_) internal pure returns (bytes memory buffer) { assembly { // Get next-free memory address let container := mload(0x40) // Allocate memory by setting a new next-free address { // Add 2 x 32 bytes in size for the two length fields // Add 32 bytes safety space for 32B chunked copy let size := add(capacity_, 0x60) let newNextFree := add(container, size) mstore(0x40, newNextFree) } // Set the correct container length { let length := add(capacity_, 0x40) mstore(container, length) } // The buffer starts at idx 1 in the container (0 is length) buffer := add(container, 0x20) // Init content with length 0 mstore(buffer, 0) } return buffer; } /// @notice Appends data to buffer, and update buffer length /// @param buffer the buffer to append the data to /// @param data the data to append /// @dev Does not perform out-of-bound checks (container capacity) /// for efficiency. function appendUnchecked(bytes memory buffer, bytes memory data) internal pure { assembly { let length := mload(data) for { data := add(data, 0x20) let dataEnd := add(data, length) let copyTo := add(buffer, add(mload(buffer), 0x20)) } lt(data, dataEnd) { data := add(data, 0x20) copyTo := add(copyTo, 0x20) } { // Copy 32B chunks from data to buffer. // This may read over data array boundaries and copy invalid // bytes, which doesn't matter in the end since we will // later set the correct buffer length, and have allocated an // additional word to avoid buffer overflow. mstore(copyTo, mload(data)) } // Update buffer length mstore(buffer, add(mload(buffer), length)) } } /// @notice Appends data to buffer, and update buffer length /// @param buffer the buffer to append the data to /// @param data the data to append /// @dev Performs out-of-bound checks and calls `appendUnchecked`. function appendSafe(bytes memory buffer, bytes memory data) internal pure { checkOverflow(buffer, data.length); appendUnchecked(buffer, data); } /// @notice Appends data encoded as Base64 to buffer. /// @param fileSafe Whether to replace '+' with '-' and '/' with '_'. /// @param noPadding Whether to strip away the padding. /// @dev Encodes `data` using the base64 encoding described in RFC 4648. /// See: https://datatracker.ietf.org/doc/html/rfc4648 /// Author: Modified from Solady (https://github.com/vectorized/solady/blob/main/src/utils/Base64.sol) /// Author: Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/Base64.sol) /// Author: Modified from (https://github.com/Brechtpd/base64/blob/main/base64.sol) by Brecht Devos. function appendSafeBase64( bytes memory buffer, bytes memory data, bool fileSafe, bool noPadding ) internal pure { uint256 dataLength = data.length; if (data.length == 0) { return; } uint256 encodedLength; uint256 r; assembly { // For each 3 bytes block, we will have 4 bytes in the base64 // encoding: `encodedLength = 4 * divCeil(dataLength, 3)`. // The `shl(2, ...)` is equivalent to multiplying by 4. encodedLength := shl(2, div(add(dataLength, 2), 3)) r := mod(dataLength, 3) if noPadding { // if r == 0 => no modification // if r == 1 => encodedLength -= 2 // if r == 2 => encodedLength -= 1 encodedLength := sub( encodedLength, add(iszero(iszero(r)), eq(r, 1)) ) } } checkOverflow(buffer, encodedLength); assembly { let nextFree := mload(0x40) // Store the table into the scratch space. // Offsetted by -1 byte so that the `mload` will load the character. // We will rewrite the free memory pointer at `0x40` later with // the allocated size. mstore(0x1f, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdef") mstore( 0x3f, sub( "ghijklmnopqrstuvwxyz0123456789-_", // The magic constant 0x0230 will translate "-_" + "+/". mul(iszero(fileSafe), 0x0230) ) ) // Skip the first slot, which stores the length. let ptr := add(add(buffer, 0x20), mload(buffer)) let end := add(data, dataLength) // Run over the input, 3 bytes at a time. // prettier-ignore // solhint-disable-next-line no-empty-blocks for {} 1 {} { data := add(data, 3) // Advance 3 bytes. let input := mload(data) // Write 4 bytes. Optimized for fewer stack operations. mstore8( ptr , mload(and(shr(18, input), 0x3F))) mstore8(add(ptr, 1), mload(and(shr(12, input), 0x3F))) mstore8(add(ptr, 2), mload(and(shr( 6, input), 0x3F))) mstore8(add(ptr, 3), mload(and( input , 0x3F))) ptr := add(ptr, 4) // Advance 4 bytes. // prettier-ignore if iszero(lt(data, end)) { break } } if iszero(noPadding) { // Offset `ptr` and pad with '='. We can simply write over the end. mstore8(sub(ptr, iszero(iszero(r))), 0x3d) // Pad at `ptr - 1` if `r > 0`. mstore8(sub(ptr, shl(1, eq(r, 1))), 0x3d) // Pad at `ptr - 2` if `r == 1`. } mstore(buffer, add(mload(buffer), encodedLength)) mstore(0x40, nextFree) } } /// @notice Appends data encoded as Base64 to buffer. /// @param fileSafe Whether to replace '+' with '-' and '/' with '_'. /// @param noPadding Whether to strip away the padding. /// @dev Encodes `data` using the base64 encoding described in RFC 4648. /// See: https://datatracker.ietf.org/doc/html/rfc4648 /// Author: Modified from Solady (https://github.com/vectorized/solady/blob/main/src/utils/Base64.sol) /// Author: Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/Base64.sol) /// Author: Modified from (https://github.com/Brechtpd/base64/blob/main/base64.sol) by Brecht Devos. function appendUncheckedBase64( bytes memory buffer, bytes memory data, bool fileSafe, bool noPadding ) internal pure { uint256 dataLength = data.length; if (data.length == 0) { return; } uint256 encodedLength; uint256 r; assembly { // For each 3 bytes block, we will have 4 bytes in the base64 // encoding: `encodedLength = 4 * divCeil(dataLength, 3)`. // The `shl(2, ...)` is equivalent to multiplying by 4. encodedLength := shl(2, div(add(dataLength, 2), 3)) r := mod(dataLength, 3) if noPadding { // if r == 0 => no modification // if r == 1 => encodedLength -= 2 // if r == 2 => encodedLength -= 1 encodedLength := sub( encodedLength, add(iszero(iszero(r)), eq(r, 1)) ) } } assembly { let nextFree := mload(0x40) // Store the table into the scratch space. // Offsetted by -1 byte so that the `mload` will load the character. // We will rewrite the free memory pointer at `0x40` later with // the allocated size. mstore(0x1f, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdef") mstore( 0x3f, sub( "ghijklmnopqrstuvwxyz0123456789-_", // The magic constant 0x0230 will translate "-_" + "+/". mul(iszero(fileSafe), 0x0230) ) ) // Skip the first slot, which stores the length. let ptr := add(add(buffer, 0x20), mload(buffer)) let end := add(data, dataLength) // Run over the input, 3 bytes at a time. // prettier-ignore // solhint-disable-next-line no-empty-blocks for {} 1 {} { data := add(data, 3) // Advance 3 bytes. let input := mload(data) // Write 4 bytes. Optimized for fewer stack operations. mstore8( ptr , mload(and(shr(18, input), 0x3F))) mstore8(add(ptr, 1), mload(and(shr(12, input), 0x3F))) mstore8(add(ptr, 2), mload(and(shr( 6, input), 0x3F))) mstore8(add(ptr, 3), mload(and( input , 0x3F))) ptr := add(ptr, 4) // Advance 4 bytes. // prettier-ignore if iszero(lt(data, end)) { break } } if iszero(noPadding) { // Offset `ptr` and pad with '='. We can simply write over the end. mstore8(sub(ptr, iszero(iszero(r))), 0x3d) // Pad at `ptr - 1` if `r > 0`. mstore8(sub(ptr, shl(1, eq(r, 1))), 0x3d) // Pad at `ptr - 2` if `r == 1`. } mstore(buffer, add(mload(buffer), encodedLength)) mstore(0x40, nextFree) } } /// @notice Returns the capacity of a given buffer. function capacity(bytes memory buffer) internal pure returns (uint256) { uint256 cap; assembly { cap := sub(mload(sub(buffer, 0x20)), 0x40) } return cap; } /// @notice Reverts if the buffer will overflow after appending a given /// number of bytes. function checkOverflow(bytes memory buffer, uint256 addedLength) internal pure { uint256 cap = capacity(buffer); uint256 newLength = buffer.length + addedLength; if (cap < newLength) { revert("DynamicBuffer: Appending out of bounds."); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.22; /////////////////////////////////////////////////////////// // ░██████╗░█████╗░██████╗░██╗██████╗░████████╗██╗░░░██╗ // // ██╔════╝██╔══██╗██╔══██╗██║██╔══██╗╚══██╔══╝╚██╗░██╔╝ // // ╚█████╗░██║░░╚═╝██████╔╝██║██████╔╝░░░██║░░░░╚████╔╝░ // // ░╚═══██╗██║░░██╗██╔══██╗██║██╔═══╝░░░░██║░░░░░╚██╔╝░░ // // ██████╔╝╚█████╔╝██║░░██║██║██║░░░░░░░░██║░░░░░░██║░░░ // // ╚═════╝░░╚════╝░╚═╝░░╚═╝╚═╝╚═╝░░░░░░░░╚═╝░░░░░░╚═╝░░░ // /////////////////////////////////////////////////////////// interface IScriptyContractStorage { // ============================================================= // GETTERS // ============================================================= /** * @notice Get the full content * @param name - Name given to the script. Eg: threejs.min.js_r148 * @param data - Arbitrary data to be passed to storage * @return script - Full script from merged chunks */ function getContent(string calldata name, bytes memory data) external view returns (bytes memory script); }
{ "remappings": [ "@openzeppelin/=node_modules/@openzeppelin/", "erc721a/=node_modules/erc721a/", "forge-std/=lib/forge-std/src/", "scripty/=lib/scripty/", "solady/=lib/solady/src/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "viaIR": true, "libraries": { "src/Utils.sol": { "Utils": "0xa4131c5d569bf73547c6dd6daa88a86b61e82557" } } }
Contract Security Audit
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IRelic","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"renderAsDataUri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"scriptyBuilderAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"scriptyStorageAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_val","type":"bool"}],"name":"setMintOpen","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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