Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
Overview
Max Total Supply
4,444 PRBG
Holders
1,660
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
5 PRBGLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
PixelRoyale
Compiler Version
v0.8.15+commit.e14f2714
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT // This is no CC0 // www.PixelRoyal.xyz // The Pixel Royale will start after mint out pragma solidity 0.8.15; import "@openzeppelin/contracts/access/Ownable.sol"; import "erc721a/contracts/ERC721A.sol"; import './PixelTag.sol'; contract PixelRoyale is ERC721A, Ownable { //---------- Addies ----------// address public contractCreator; address public lastPlayer; address public mostAttacks; address public randomPlayer; address public randomTag; address public abashoCollective; // ---> Needs to be set address public pixelTagContract; // ---> Interface for Tags //---------- Mint Vars ----------// bool public started; bool public claimed; uint256 public constant MAXPIXELS = 4444; uint256 public constant WALLETLIMIT = 2; uint256 public constant CREATORCLAIMAMOUNT = 3; mapping(address => uint) public addressClaimed; // ---> keeps track of wallet limit // MetadataURI string private baseURI; //---------- PixelRoyale Vars ----------// bool public pixelWarStarted; bool public pixelWarConcluded; uint256 public timeLimit = 1671667200; // Thursday, 22. December 2022 00:00:00 GMT uint constant ITEM_PRICE = 0.005 ether; mapping(address => uint) public walletHighscore; // ---> keeps track of each wallet highscore uint256 public currentHighscore; string private salt; bool public payout; //---------- Mini Jackpot Vars ----------// uint256[] public jackpot; //---------- Player Vars ----------// struct Pixel { int256 health; bool status; } mapping(uint256 => Pixel) public pixelList; // ---> maps ID to a Player Struct //---------- Events ----------// event ItemBought(address from,address currentMA,uint tokenId,int256 amount); event DropOut(address from,uint tokenId); event MiniJackpotWin(address winner, uint256 jackpotAmount); event MiniJackpotAmount(uint256 jackpotAmount); //---------- Construct ERC721A TOKEN ----------// constructor() ERC721A("PixelRoyale BATTLE GAME", "PRBG") { contractCreator = msg.sender; } function _startTokenId() internal view virtual override returns (uint256) { return 1; } //--------------------------------------------------------------------------------------------- //---------- MINT FUNCTIONS ----------// //---------- Start Minting -----------// function startMint() external onlyOwner { require(!started, "mint has already started"); started = true; } //---------- Free Mint Function ----------// function mint(uint256 _amount) external { uint256 total = totalSupply(); if(_msgSender() != contractCreator) { require(started, "Mint did not start yet"); require(addressClaimed[_msgSender()] + _amount <= WALLETLIMIT, "Wallet limit reached, don't be greedy"); } require(_amount > 0, "You need to mint at least 1"); require(total + _amount <= MAXPIXELS, "Not that many NFTs left, try to mint less"); require(total <= MAXPIXELS, "Mint out"); // create structs for minted amount for (uint j; j < _amount; j++) { Pixel memory newPixel = Pixel(0,true); pixelList[total+j+1] = newPixel; } addressClaimed[_msgSender()] += _amount; _safeMint(_msgSender(), _amount); // immediately starts PixelRoyale GAME on mint out if(totalSupply() >= MAXPIXELS){ pixelWarStarted = true; } } //---------- Team Claim ----------// function teamClaim() external onlyOwner { uint256 total = totalSupply(); require(!claimed, "already claimed"); for (uint j; j < CREATORCLAIMAMOUNT; j++) { // struct creation for mint amount Pixel memory newPixel = Pixel(0,true); pixelList[total+j+1] = newPixel; } _safeMint(contractCreator, CREATORCLAIMAMOUNT); claimed = true; } //--------------------------------------------------------------------------------------------- //---------- BATTLE ROYALE GAME ----------// //---------- Manually Start PixelRoyale ----------// function startPixelWar() external onlyOwner { require(!pixelWarStarted, "The war has already been started"); pixelWarStarted = true; } //---------- Calculate Amount Of "Alive" Players ----------// function getPopulation() public view returns(uint256 _population) { for (uint j=1; j <= totalSupply(); j++) { if(isAlive(j)){ _population++; } } } //---------- Returns Last Player ID ----------// function checkLastSurvivor() public view returns(uint256 _winner) { for (uint j; j <= totalSupply(); j++) { if(pixelList[j].health > -1){ _winner = j; } } } //---------- Checks If Specified TokenID Is "Alive" ----------// function isAlive(uint256 _tokenId) public view returns(bool _alive) { pixelList[_tokenId].health < 0 ? _alive = false : _alive = true; } //---------- Returns Random "Alive" TokenID ----------// function returnRandomId() public view returns(uint256 _tokenId) { for (uint256 j = pseudoRandom(totalSupply(),"Q"); j <= totalSupply() + 1; j++) { if(pixelList[j].health > -1) { return j; } if(j == totalSupply()) { j = 0; } } } //---------- Pseudo Random Number Generator From Range ----------// function pseudoRandom(uint256 _number, string memory _specialSalt) public view returns(uint number) { number = uint(keccak256(abi.encodePacked(block.timestamp,block.difficulty,msg.sender,salt,_specialSalt))) % _number; number == 0 ? number++: number; } //---------- Change Salt Value Pseudo Randomness ----------// function changeSalt(string memory _newSalt) public onlyOwner { salt = _newSalt; } //---------- Set HP For Players | Protect/Attack ----------// function setHP(uint256 _tokenId, int256 _amount) external payable { require(!pixelWarConcluded, "PixelRoyale has concluded!"); require(pixelWarStarted, "PixelRoyale hasn't started!"); require(getPopulation() > 1, "We already have a winner!"); require(_amount != 0, "Value needs to be > or < than 0"); require(pixelList[_tokenId].health > -1, "Player already out of the Game"); uint priceMod = 10; // ---> 0% uint256 amount; // turn _amount into a positive amount value _amount < 0 ? amount = uint256(_amount*-1) : amount = uint256(_amount); // bulk pricing: if(amount>6) { priceMod = 8; // ---> 20% if(amount>12) { priceMod = 7; // ---> 30% if(amount>18) { priceMod = 6; // ---> 40% if(amount>24) { priceMod = 5; } // ---> 50% } } } // calculate purchase uint256 currentPrice = ITEM_PRICE / 10 * priceMod * amount; require((currentPrice) <= msg.value, "Not enough ETH"); // checks on attack purchase if(_amount < 0) { require(pixelList[_tokenId].health+_amount>-2,"Try less attacks - warrior overkill"); walletHighscore[_msgSender()] += amount; if(walletHighscore[_msgSender()] > currentHighscore) { currentHighscore = walletHighscore[_msgSender()]; mostAttacks = _msgSender(); } } // change health value in player struct (pixelList[_tokenId].health+_amount) < 0 ? pixelList[_tokenId].health = -1 : pixelList[_tokenId].health = pixelList[_tokenId].health + _amount; //emit event for item buy emit ItemBought(_msgSender(),mostAttacks,_tokenId,_amount); // ---> buyer, current Highscore Leader, Interacted token, amount of protections/attacks // add to mini jackpot array addToPot(msg.value); // try jackpot if(jackpot.length>0){ tryJackpot(); } // check if token is alive | Check if player has dropped out of Game InterfacePixelTags pixelTag = InterfacePixelTags(pixelTagContract); // ---> Interface to Tags NFT if ( !isAlive(_tokenId) ) { pixelTag.mintPixelTag(_msgSender()); // ---> MINT DogTag FROM ERC721A pixelList[_tokenId].status = false; //emit DropOut event emit DropOut(_msgSender(),_tokenId); // ---> Killer, Killed Token } // check if population is smaller than 2 | check if PixelRoyale has concluded if ( getPopulation() < 2 ) { pixelWarConcluded = true; lastPlayer = ownerOf(checkLastSurvivor()); randomPlayer = ownerOf(pseudoRandom(MAXPIXELS,"Warrior")); randomTag = pixelTag.ownerOf(pseudoRandom(MAXPIXELS-1,"Tag")); } } //--------------------------------------------------------------------------------------------- //---------- BATTLE ROYALE GAME ----------// //---------- Add 49% Of Bet To Mini Jackpot ----------// function addToPot(uint256 _amount) internal { jackpot.push(_amount/100*49); } //---------- Calculate Current Mini Jackpot Size ----------// function currentPot() internal view returns(uint256 _result) { for (uint j; j < jackpot.length; j++) { _result += jackpot[j]; } } //---------- Win Mini Jackpot Function ----------// function tryJackpot() internal { if(pseudoRandom(8,"") == 4) { // ---> 12,5% winning chance payable(_msgSender()).transfer(currentPot()); emit MiniJackpotWin(_msgSender(), currentPot()); // ---> emits jackpot amount and winner when hit delete jackpot; // ---> purge mini jackpot array after it has been paid out } else { emit MiniJackpotAmount(currentPot()); // ---> emits jackpot amount when not hit } } //---------- Set PixelTag Contract Address For Interactions/Interface ----------// function setTagContract(address _addr) external onlyOwner { pixelTagContract = _addr; } //--------------------------------------------------------------------------------------------- //---------- WITHDRAW FUNCTIONS ----------// //---------- Distribute Balance if Game Has Not Concluded Prior To Time Limit ----------// function withdraw() public { require(block.timestamp >= timeLimit, "Play fair, wait until the time limit runs out"); require(contractCreator == _msgSender(), "Only Owner can withdraw after time limit runs out"); uint256 balance = address(this).balance; payable(abashoCollective).transfer(balance/100*15); payable(contractCreator).transfer(address(this).balance); } //---------- Distribute Balance if Game Has Concluded Prior To Time Limit ----------// function distributeToWinners() public { require(pixelWarConcluded, "The game has not concluded yet!"); require(!payout, "The prize pool has already been paid out!"); uint256 balance = address(this).balance; // 25% to Last player and most attacks payable(lastPlayer).transfer(balance/100*25); payable(mostAttacks).transfer(balance/100*25); // 15% to random holder of Player and Dog Tag NFTs payable(randomPlayer).transfer(balance/100*10); payable(randomTag).transfer(balance/100*10); // 15% to abasho collective and remainder to Contract Creator payable(abashoCollective).transfer(balance/100*15); payable(contractCreator).transfer(address(this).balance); payout = true; } //--------------------------------------------------------------------------------------------- //----------SET LATE ABASHO COLLECTIVE ADDRESS ---- function setAbashoADDR(address _addr) external onlyOwner { abashoCollective = _addr; } //--------------------------------------------------------------------------------------------- //---------- METADATA & BASEURI ---- function setBaseURI(string memory baseURI_) external onlyOwner { baseURI = baseURI_; } function _baseURI() internal view virtual override returns (string memory) { return baseURI; } function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require(_exists(_tokenId), "There is no token with that ID"); string memory currentBaseURI = _baseURI(); if(isAlive(_tokenId)) { return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, _toString(_tokenId), '.json')) : ''; } else { return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI,'d', _toString(_tokenId), '.json')) : ''; } } }
// SPDX-License-Identifier: MIT // www.PixelRoyale.xyz /* ____ ____ ____ ____ ____ ____ ____ ____ ____ ||P |||i |||x |||e |||l |||T |||a |||g |||s || ||__|||__|||__|||__|||__|||__|||__|||__|||__|| |/__\|/__\|/__\|/__\|/__\|/__\|/__\|/__\|/__\| */ pragma solidity 0.8.15; import "@openzeppelin/contracts/access/Ownable.sol"; import "erc721a/contracts/ERC721A.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import {Base64} from "base64-sol/base64.sol"; import {TraitAssembly} from "./TraitAssembly.sol"; contract PixelTags is ERC721A, Ownable { //---------- Vars ----------// address public contractCreator; address public pixelRoyale; uint256 public constant MAXTAGS = 4443; string private baseURI; //---------- On-Chain Gen Art ----------// uint16 private pixelIndex = 1; mapping(uint256 => uint32) private pixelTags; //---------- Metadata Snippets ----------// string private comb1 = '","description": "4443 On-Chain PixelTags given out for confirmed kills in the PixelRoyale BATTLE GAME. Collect the PixelTags for a chance to win 10% of the PixelRoyale prize pool!","external_url": "https://pixelroyale.xyz/","attributes": [{"trait_type": "Background","value": "'; string private comb2 = '"},{"trait_type": "Base","value": "'; string private comb3 = '"},{"trait_type": "Soul","value": "'; string private comb4 = '"},{"trait_type": "Accessoire","value": "'; string private comb5 = '"},{"trait_type": "Mouth","value": "'; string private comb6 = '"},{"trait_type": "Eyes","value": "'; string private comb7 = '"}],"image": "data:image/svg+xml;base64,'; string private comb8 = '"}'; //---------- Trait Names ----------// string[4] maTrait = ["Ag", "Au", "Pt", "Rn"]; //---------- Construct ERC721A TOKEN ----------// constructor() ERC721A("PixelTags BATTLE GAME", "PTBG") { contractCreator = msg.sender; } function _startTokenId() internal view virtual override returns (uint256) { return 1; } //--------------------------------------------------------------------------------------------- //---------- MINT FUNCTIONS ----------// //---------- Set Origin Contract ----------// function setMintContract(address _addr) external onlyOwner { pixelRoyale = _addr; } //---------- Mint PixelTag ----------// function mintPixelTag(address _receiver) external { require(msg.sender == pixelRoyale, "Only Contract can mint"); uint256 total = totalSupply(); require(total < MAXTAGS, "The GAME has most likely concluded"); // Mint _safeMint(_receiver, 1); pixelTags[pixelIndex] = uint32(bytes4(keccak256(abi.encodePacked(block.timestamp, pixelIndex, msg.sender)))); pixelIndex++; } //--------------------------------------------------------------------------------------------- //---------- METADATA GENERATION ----------// function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require(_exists(_tokenId), 'There is no Token with that ID'); //Start JSON and SVG Generation by creating file headers bytes memory json = abi.encodePacked('{"name": "Pixel Tag #',Strings.toString(_tokenId)); // --> JSON HEADER bytes memory img = abi.encodePacked('<svg xmlns="http://www.w3.org/2000/svg" witdh="640" height="640" viewBox="0 0 16 16">'); // --> SVG HEADER uint32 seed = pixelTags[_tokenId]; //Init Trait Strings string memory trait1; string memory trait2; string memory svg2; string memory trait3; string memory svg3; string memory trait4; string memory svg4; //Init Color Strings string memory basePrimeCol; string memory baseSecondCol; string memory backgroundColor = Strings.toString((seed%36)*10); string memory soulColor = Strings.toString((seed%72)*5); // ------ BASE COLOR TRAIT ----- // if(seed%99==0) { //--> 1% trait1 = maTrait[3]; basePrimeCol ="179,24%,61%"; baseSecondCol = "179,100%,86%"; } else if(seed%99>=1 && seed%99<=5) { //--> 5% trait1 = maTrait[2]; basePrimeCol ="180,6%,57%"; baseSecondCol = "178,53%,88%"; } else if(seed%99>=6 && seed%99<=20) { //--> 15% trait1 = maTrait[1]; basePrimeCol ="46,67%,48%"; baseSecondCol = "46,100%,70%"; } else { //--> 79% trait1 = maTrait[0]; basePrimeCol ="180,2%,40%"; baseSecondCol = "180,2%,80%"; } // ------ ACCESSORY TRAIT ----- // if(seed%99>=75) { //--> 24% (svg2,trait2) = ("","None"); } else { //--> 76% (svg2,trait2) = TraitAssembly.choseA(seed); } // ------ MOUTH TRAIT ----- // (svg3,trait3) = TraitAssembly.choseM(seed); // ------ EYE TRAIT ----- // (svg4,trait4) = TraitAssembly.choseE(seed); // ----- JSON ASSEMBLY ------// json = abi.encodePacked(json,comb1,backgroundColor); json = abi.encodePacked(json,comb2,trait1); json = abi.encodePacked(json,comb3,soulColor); json = abi.encodePacked(json,comb4,trait2); json = abi.encodePacked(json,comb5,trait3); json = abi.encodePacked(json,comb6,trait4); // ----- SVG ASSEMBLY ------// //BACKGROUND// img = abi.encodePacked(img, '<rect x="0" y="0" width="16" height="16" fill="hsl(',backgroundColor,',100%,90%)"/>'); //BASE// img = abi.encodePacked(img, '<polygon points="5,1 5,2 4,2 4,3 3,3 3,4 3,13 4,13 4,14 5,14 5,15 11,15 11,14 12,14 12,13 13,13 13,3 12,3 12,2 11,2 11,1" fill="hsl(',basePrimeCol,')"/>'); // --> Outline img = abi.encodePacked(img, '<polygon points="5,2 5,3 4,3 4,3 4,3 4,4 4,13 5,13 5,14 6,14 6,14 11,14 11,13 11,13 12,13 12,3 11,3 11,2 11,2" fill="hsl(',baseSecondCol,')"/>'); //--> Inner //ACCESSORY img = abi.encodePacked(img, svg2); //MOUTH img = abi.encodePacked(img, svg3); //EYES img = abi.encodePacked(img, svg4); // ----- CLOSE OFF SVG AND JSON ASSEMBLY ------// img = abi.encodePacked(img, '</svg>'); json = abi.encodePacked(json,comb7,Base64.encode(img),comb8); // ----- RETURN BASE64 ENCODED METADATA ------// return string(abi.encodePacked('data:application/json;base64,', Base64.encode(json))); } } //--------------------------------------------------------------------------------------------- //---------- LAY OUT INTERFACE ----------// interface InterfacePixelTags { function mintPixelTag(address _receiver) external; function ownerOf(uint256 tokenId) external view returns (address); }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.0.0 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev ERC721 token receiver interface. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension. Built to optimize for lower gas during batch mints. * * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..). * * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // 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 tokenId of the next token 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` 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 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view 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 override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view returns (uint256) { // Counter underflow is impossible as _currentIndex does not decrement, // and it is initialized to `_startTokenId()` unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view returns (uint256) { return _burnCounter; } /** * @dev See {IERC165-supportsInterface}. */ 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: 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. } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); 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 auxillary 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 auxillary 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 { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; assembly { // Cast aux without masking. auxCasted := aux } packed = (packed & BITMASK_AUX_COMPLEMENT) | (auxCasted << BITPOS_AUX); _packedAddressData[owner] = packed; } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & BITMASK_BURNED == 0) { // Invariant: // There will always be an ownership that has an address and is not burned // before an ownership that does not have an address and is not burned. // Hence, curr will not underflow. // // We can directly compare the packed value. // If the address is zero, packed is zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * 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; } /** * Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around in the collection over time. */ function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); 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, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } /** * @dev Casts the address to uint256 without masking. */ function _addressToUint256(address value) private pure returns (uint256 result) { assembly { result := value } } /** * @dev Casts the boolean to uint256 without branching. */ function _boolToUint256(bool value) private pure returns (uint256 result) { assembly { result := value } } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public override { address owner = address(uint160(_packedOwnershipOf(tokenId))); if (to == owner) revert ApprovalToCurrentOwner(); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId] = to; emit Approval(owner, to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { if (operator == _msgSenderERC721A()) revert ApproveToCaller(); _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { _transfer(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), */ function _exists(uint256 tokenId) internal view returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & BITMASK_BURNED == 0; // and not burned. } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal { _safeMint(to, 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. * * Emits a {Transfer} event. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1 // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1 unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the balance and number minted. _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] = _addressToUint256(to) | (block.timestamp << BITPOS_START_TIMESTAMP) | (_boolToUint256(quantity == 1) << BITPOS_NEXT_INITIALIZED); uint256 updatedIndex = startTokenId; uint256 end = updatedIndex + quantity; if (to.code.length != 0) { do { emit Transfer(address(0), to, updatedIndex); if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (updatedIndex < end); // Reentrancy protection if (_currentIndex != startTokenId) revert(); } else { do { emit Transfer(address(0), to, updatedIndex++); } while (updatedIndex < end); } _currentIndex = updatedIndex; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @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. */ function _mint(address to, uint256 quantity) internal { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1 // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1 unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the balance and number minted. _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] = _addressToUint256(to) | (block.timestamp << BITPOS_START_TIMESTAMP) | (_boolToUint256(quantity == 1) << BITPOS_NEXT_INITIALIZED); uint256 updatedIndex = startTokenId; uint256 end = updatedIndex + quantity; do { emit Transfer(address(0), to, updatedIndex++); } while (updatedIndex < end); _currentIndex = updatedIndex; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) private { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); bool isApprovedOrOwner = (_msgSenderERC721A() == from || isApprovedForAll(from, _msgSenderERC721A()) || getApproved(tokenId) == _msgSenderERC721A()); if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. delete _tokenApprovals[tokenId]; // 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] = _addressToUint256(to) | (block.timestamp << BITPOS_START_TIMESTAMP) | BITMASK_NEXT_INITIALIZED; // 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, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @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)); if (approvalCheck) { bool isApprovedOrOwner = (_msgSenderERC721A() == from || isApprovedForAll(from, _msgSenderERC721A()) || getApproved(tokenId) == _msgSenderERC721A()); if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. delete _tokenApprovals[tokenId]; // 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] = _addressToUint256(from) | (block.timestamp << BITPOS_START_TIMESTAMP) | BITMASK_BURNED | BITMASK_NEXT_INITIALIZED; // 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 times. unchecked { _burnCounter++; } } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _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(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } /** * @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 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 returns (string memory ptr) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), // but we allocate 128 bytes to keep the free memory pointer 32-byte word aliged. // We will need 1 32-byte word to store the length, // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128. ptr := add(mload(0x40), 128) // Update the free memory pointer to allocate. mstore(0x40, ptr) // Cache the end of the memory to calculate the length later. let end := ptr // We write the string from the rightmost digit to the leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // Costs a bit more than early returning for the zero case, // but cheaper in terms of deployment and overall runtime costs. for { // Initialize and perform the first pass without check. let temp := value // Move the pointer 1 byte leftwards to point to an empty character slot. ptr := sub(ptr, 1) // Write the character to the pointer. 48 is the ASCII index of '0'. mstore8(ptr, add(48, mod(temp, 10))) temp := div(temp, 10) } temp { // Keep dividing `temp` until zero. temp := div(temp, 10) } { // Body of the for loop. ptr := sub(ptr, 1) mstore8(ptr, add(48, mod(temp, 10))) } let length := sub(end, ptr) // Move the pointer 32 bytes leftwards to make room for the length. ptr := sub(ptr, 32) // Store the length. mstore(ptr, length) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.0.0 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of an ERC721A compliant contract. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * The caller cannot approve to their own address. */ error ApproveToCaller(); /** * The caller cannot approve to the current owner. */ error ApprovalToCurrentOwner(); /** * 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(); struct TokenOwnership { // The address of the owner. address addr; // Keeps track of the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; } /** * @dev Returns the total amount of tokens stored by the contract. * * Burned tokens are calculated here, use `_totalMinted()` if you want to count just minted tokens. */ function totalSupply() external view returns (uint256); // ============================== // IERC165 // ============================== /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================== // 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`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev 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); }
// SPDX-License-Identifier: MIT // www.PixelRoyale.xyz pragma solidity ^0.8.15; import "@openzeppelin/contracts/utils/Strings.sol"; library TraitAssembly { //---------- ACCESSORY ASSEMBLY - WITH ACCESSORY SVGs ----------// function choseA(uint32 _seed) public pure returns (string memory _aString, string memory _aJson) { string[13] memory _traitArray = ["Flower Crown", "Night Vision", "Trauma", "Sleek Curl", "Twin Tails", "Red Rag", "Blue Rag", "Snapback", "Crown", "One Peace", "Red Oni", "Blue Oni", "Clown"]; string memory _trait = _traitArray[_seed%12]; string memory soulCol = Strings.toString((_seed%72)*5); string memory inverseCol = Strings.toString((((_seed%72)*5)+180)%360); if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[0]))) { _aString = '<polygon points="3,3 8,3 8,4 9,4 9,3 13,3 13,4 14,4 14,5 13,5 13,6 8,6 8,5 7,5 7,6 3,6 3,5 2,5 2,4 3,4" fill="hsl(102, 75%, 58%)"/><polygon points="5,3 11,3 11,4 12,4 12,5 11,5 11,6 10,6 10,5 9,5 9,4 10,4 10,3 6,3 6,4 7,4 7,5 6,5 6,6 5,6 5,5 4,5 4,4 5,4" fill="hsl(0, 100%, 100%)"/><polygon points="5,4 11,4 11,5 10,5 10,4 6,4 6,5 5,5 5,4" fill="hsl(48, 100%, 57%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[1]))) { _aString = '<polygon points="4,2 6,2 6,3 7,3 7,2 9,2 9,3 10,3 10,2 12,2 12,3 13,3 13,5 14,5 14,6 10,6 10,5 6,5 6,6 2,6 2,5 3,5 3,3 4,3" fill="hsl(0,0%,0%)"/><polygon points="4,3 12,3 12,5 10,5 10,3 9,3 9,4 7,4 7,3 6,3 6,5 4,5" fill="hsl(102, 73%, 64%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[2]))) { _aString = '<polygon points="9,2 11,2 11,5 10,5 10,3 9,3" fill="hsl(352, 100%, 41%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[3]))) { _aString = string(abi.encodePacked('<polygon points="4,1 12,1 12,2 13,2 13,7 12,7 12,6 11,6 11,4 8,4 8,5 9,5 9,6 7,6 7,4 5,4 5,6 4,6 4,7 3,7 3,2 4,2" fill="hsl(',inverseCol,', 80%, 60%)"/>')); } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[4]))) { _aString = string(abi.encodePacked('<polygon points="5,1 11,1 11,2 12,2 12,3 13,3 13,4 14,4 14,5 15,5 15,6 16,6 16,10 15,10 15,9 14,9 14,6 13,6 13,7 12,7 12,6 11,6 11,5 10,5 10,6 9,6 9,5 8,5 8,6 6,6 6,5 5,5 5,6 4,6 4,7 3,7 3,6 2,6 2,9 1,9 1,10 0,10 0,6 1,6 1,5 2,5 2,4 3,4 3,3 4,3 4,2 5,2" fill="hsl(',inverseCol,', 80%, 60%)"/><polygon points="2,4 3,4 14,4 14,6 13,6 13,4 3,4 3,6 2,6 " fill="hsl(',soulCol,', 40%, 60%)"/>')); } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[5]))) { _aString = '<polygon points="3,2 4,2 4,1 12,1 12,2 13,2 13,5 2,5 2,6 1,6 1,5 2,5 2,4 1,4 1,3 2,3 2,4 3,4" fill="hsl(0, 75%, 50%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[6]))) { _aString = '<polygon points="3,2 4,2 4,1 12,1 12,2 13,2 13,5 2,5 2,6 1,6 1,5 2,5 2,4 1,4 1,3 2,3 2,4 3,4" fill="hsl(225, 75%, 50%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[7]))) { _aString = string(abi.encodePacked('<polygon points="3,4 3,2 4,2 4,1 12,1 12,2 13,2 13,5 2,5 1,5 1,4" fill="hsl(',soulCol,', 75%, 50%)"/><polygon points="7,4 7,3 8,3 8,2 10,2 10,3 11,3 11,4" fill="hsl(',soulCol,', 75%, 25%)"/>')); } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[8]))) { _aString = '<polygon points="3,4 4,4 4,3 5,3 5,4 6,4 6,3 7,3 7,2 9,2 9,3 10,3 10,4 11,4 11,3 12,3 12,4 13,4 13,5 3,5 " fill="hsl(45, 100%, 50%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[9]))) { _aString = '<polygon points="1,4 3,4 3,2 4,2 4,1 12,1 12,2 13,2 13,4 15,4 15,5 1,5" fill="hsl(45, 100%, 50%)"/><rect x="3" y="3" width="10" height="1" fill="hsl(0,100%,50%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[10]))) { _aString = '<polygon points="12,5 12,3 13,3 13,2 14,2 14,1 15,1 15,4 14,4 14,5" fill="hsl(0,100%,50%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[11]))) { _aString = '<polygon points="4,5 4,3 3,3 3,2 2,2 2,1 1,1 1,4 2,4 2,5" fill="hsl(225,100%,50%)"/>'; } else if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[12]))) { _aString = string(abi.encodePacked('<polygon points="1,1 2,1 2,2 6,2 6,1 7,1 7,0 9,0 9,1 10,1 10,2 14,2 14,1 15,1 15,4 14,4 14,5 12,5 12,3 11,3 11,2 5,2 5,3 4,3 4,5 2,5 2,4 1,4" fill="hsl(',soulCol,',75%,45%)"/>')); } return(_aString,_aJson = _trait); } //---------- EYES ASSEMBLY - WITH EYE SVGs ----------// function choseE(uint32 _seed) public pure returns (string memory _eString, string memory _eJson) { string[17] memory _traitArray = ["Passive", "Sane", "Wary", "Fine", "Shut", "Glee", "Cool", "Tough", "Archaic", "Sly", "Sharp", "Sad", "Indifferent", "Focused", "Gloomy", "Abnormal", "Gem"]; string memory _trait = _traitArray[_seed%16]; string memory soulCol = Strings.toString((_seed%72)*5); if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[0]))) { _eString = string(abi.encodePacked('<polygon points="5,7 11,7 11,9 9,9 9,7 7,7 7,9 5,9" fill="hsl(180,100%,100%)"/><polygon points="6,7 11,7 11,9 10,9 10,7 7,7 7,9 6,9" fill="hsl(',soulCol,',40%,60%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[1]))) { _eString = string(abi.encodePacked('<polygon points="5,8 11,8 11,9 9,9 9,8 7,8 7,9 5,9" fill="hsl(180,100%,100%)"/><polygon points="5,8 10,8 10,9 9,9 9,8 6,8 6,9 5,9" fill="hsl(',soulCol,',40%,60%)"/><polygon points="5,6 11,6 11,7 9,7 9,6 7,6 7,7 5,7" fill="hsl(180,0%,0%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[2]))) { _eString = string(abi.encodePacked('<polygon points="5,8 11,8 11,9 9,9 9,8 7,8 7,9 5,9" fill="hsl(180,100%,100%)"/><polygon points="6,8 11,8 11,9 10,9 10,8 7,8 7,9 6,9" fill="hsl(',soulCol,',40%,60%)"/><polygon points="5,5 6,5 6,6 11,6 11,7 9,7 9,6 7,6 7,7 6,7 6,6 5,6" fill="hsl(180,0%,0%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[3]))) { _eString = string(abi.encodePacked('<polygon points="4,8 5,8 5,7 11,7 11,8 12,8 12,9 9,9 9,7 7,7 7,9 4,9" fill="hsl(180,0%,0%)"/><polygon points="5,8 11,8 11,9 9,9 9,8 7,8 7,9 5,9" fill="hsl(',soulCol,',40%,60%)"/><polygon points="6,8 11,8 11,9 10,9 10,8 7,8 7,9 6,9" fill="hsl(180,0%,0%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[4]))) { _eString = '<polygon points="4,7 5,7 5,8 6,8 6,7 10,7 10,8 11,8 11,7 12,7 12,8 11,8 11,9 10,9 10,8 9,8 9,7 7,7 7,8 6,8 6,9 5,9 5,8 4,8" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[5]))) { _eString = '<polygon points="4,8 5,8 5,7 6,7 6,8 10,8 10,7 11,7 11,8 12,8 12,9 11,9 11,8 10,8 10,9 9,9 9,8 7,8 7,9 6,9 6,8 5,8 5,9 4,9" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[6]))) { _eString = '<polygon points="4,7 12,7 12,8 11,8 11,9 9,9 9,8 7,8 7,9 5,9 5,8 4,8" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[7]))) { _eString = string(abi.encodePacked('<rect x="5" y="8" width="2" height="1" fill="hsl(180,100%,100%)"/><rect x="5" y="8" width="1" height="1" fill="hsl(',soulCol,',40%,60%)"/><polygon points="5,3 6,3 6,4 7,4 7,5 8,5 8,6 9,6 9,7 11,7 11,9 12,9 12,10 11,10 11,9 9,9 9,8 5,8 5,7 7,7 7,8 9,8 9,7 8,7 8,6 7,6 7,5 6,5 6,4 5,4" fill="hsl(180,0%,0%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[8]))) { _eString = string(abi.encodePacked('<polygon points="5,8 11,8 11,9 9,9 9,8 7,8 7,9 5,9" fill="hsl(180,100%,100%)"/><polygon points="5,8 10,8 10,9 9,9 9,8 6,8 6,9 5,9" fill="hsl(',soulCol,',40%,60%)"/><rect x="4" y="7" width="8" height="1" fill="hsl(180,0%,0%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[9]))) { _eString = string(abi.encodePacked('<rect x="4" y="6" width="8" height="3" fill="hsl(180,0%,0%)"/><polygon points="5,7 11,7 11,8 9,8 9,7 7,7 7,8 5,8" fill="hsl(180,100%,100%)"/><polygon points="6,7 11,7 11,8 10,8 10,7 7,7 7,8 6,8" fill="hsl(',soulCol,',40%,60%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[10]))) { _eString = string(abi.encodePacked('<polygon points="5,7 5,6 7,6 7,7 9,7 9,6 11,6 11,7 12,7 12,8 11,8 11,9 9,9 9,8 7,8 7,9 5,9 5,8 4,8 4,7" fill="hsl(180,0%,0%)"/><polygon points="5,7 11,7 11,8 9,8 9,7 7,7 7,8 5,8" fill="hsl(',soulCol,',40%,60%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[11]))) { _eString = '<polygon points="11,8 11,10 10,10 10,8 6,8 6,12 5,12 5,8" fill="hsl(188, 39%, 58%)"/><polygon points="5,7 11,7 11,8 9,8 9,7 7,7 7,8 5,8" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[12]))) { _eString = string(abi.encodePacked('<polygon points="5,6 6,6 6,9 10,9 10,6 11,6 11,9 5,9" fill="hsl(180,0%,0%)"/><polygon points="4,7 12,7 12,8 9,8 9,7 7,7 7,8 4,8" fill="hsl(180,100%,100%)"/><polygon points="5,7 6,7 6,8 10,8 10,7 11,7 11,8 5,8" fill="hsl(',soulCol,',40%,60%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[13]))) { _eString = string(abi.encodePacked('<polygon points="4,7 12,7 12,8 9,8 9,7 7,7 7,8 4,8" fill="hsl(180,0%,0%)"/><polygon points="4,8 12,8 12,9 9,9 9,8 7,8 7,9 4,9" fill="hsl(180,100%,100%)"/><polygon points="5,8 6,8 6,9 10,9 10,8 11,8 11,9 5,9" fill="hsl(',soulCol,',40%,60%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[14]))) { _eString = string(abi.encodePacked('<polygon points="4,5 5,5 5,6 6,6 6,7 10,7 10,6 11,6 11,5 12,5 12,7 13,7 13,8 12,8 12,10 11,10 11,9 10,9 10,8 9,8 9,7 7,7 7,8 6,8 6,9 5,9 5,10 4,10 4,8 3,8 3,7 4,7 " fill="hsl(180,0%,0%)"/><polygon points="4,7 12,7 12,8 10,8 10,7 6,7 6,8 4,8" fill="hsl(180,100%,100%)"/><polygon points="5,7 6,7 6,8 11,8 11,7 12,7 12,8 5,8" fill="hsl(',soulCol,',40%,60%)"/>')); } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[15]))) { _eString = '<polygon points="5,8 6,8 6,9 10,9 10,7 11,7 11,9 10,9 5,9" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[16]))) { _eString = string(abi.encodePacked('<polygon points="5,7 11,7 11,9 9,9 9,7 7,7 7,9 5,9 " fill="hsl(180,100%,100%)"/><polygon points="5,8 6,8 6,7 7,7 7,8 10,8 10,7 11,7 11,8 10,8 10,9 9,9 9,8 6,8 6,9 5,9" fill="hsl(',soulCol,',40%,60%)"/>')); } return(_eString,_eJson = _trait); } //---------- MOUTH ASSEMBLY - WITH MOUTH SVGs ----------// function choseM(uint32 seed) public pure returns (string memory _mString, string memory _mJson) { string[18] memory _traitArray = ["Smile", "Rabbit", "Frown", "Jeez", "Deez", "Grin", "Hungry", "Hillbilly", "Yikes", "Dumber", "Cigarette", "Puke", "Raw", "Tongue", "Surprised", "Stunned", "Chew", "Respirator"]; string memory _trait = _traitArray[seed%17]; if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[0]))) { _mString = '<polygon points="6,11 5,11 5,10 6,10 6,11 10,11 10,10 11,10 11,11 10,11 10,12 6,12" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[1]))) { _mString = '<polygon points="6,11 5,11 5,10 6,10 6,11 10,11 10,10 11,10 11,11 10,11 10,12 6,12" fill="hsl(180,0%,0%)"/><polygon points="7,13 7,12 9,12 9,13" fill="hsl(180,100%,100%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[2]))) { _mString = '<polygon points="6,12 5,12 5,11 6,11 6,10 10,10 10,12 11,12 11,11 10,11 10,11 6,11 " fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[3]))) { _mString = '<rect x="7" y="10" width="2" height="1" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[4]))) { _mString = '<rect x="5" y="10" width="6" height="1" fill="hsl(180,0%,0%)"/><rect x="6" y="10" width="1" height="1" fill="hsl(180,100%,100%)"/><rect x="9" y="10" width="1" height="1" fill="hsl(180,100%,100%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[5]))) { _mString = '<polygon points="7,11 6,11 6,10 7,10 7,11 9,11 9,10 10,10 10,11 9,11 9,12 7,12" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[6]))) { _mString = '<polygon points="7,11 7,12 6,12 6,10 10,10 10,13 9,13 9,12 8,12 8,11" fill="hsl(188, 39%, 58%)"/><rect x="6" y="10" width="4" height="1" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[7]))) { _mString = '<polygon points="7,11 7,12 6,12 6,10 10,10 10,12 9,12 9,11" fill="hsl(180, 100%, 100%)"/><rect x="5" y="10" width="6" height="1" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[8]))) { _mString = '<rect x="5" y="10" width="6" height="1" fill="hsl(180,0%,0%)"/><rect x="6" y="10" width="4" height="1" fill="hsl(180,100%,100%)"/> '; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[9]))) { _mString = '<rect x="5" y="10" width="6" height="1" fill="hsl(180,0%,0%)"/><rect x="6" y="10" width="4" height="1" fill="hsl(180,100%,100%)"/><rect x="7" y="10" width="1" height="1" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[10]))) { _mString = '<polygon points="6,12 6,11 5,11 5,10 6,10 6,11 10,11 10,12" fill="hsl(180,0%,0%)"/><rect x="9" y="11" width="2" height="1" fill="hsl(180,100%,100%)"/><rect x="11" y="11" width="1" height="1" fill="hsl(358, 100%, 51%)"/><polygon points="13,11 12,11 12,10 13,10 13,7 12,7 12,8 13,8 13,9 14,9 14,10 13,10 " fill="hsl(0, 0%, 90%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[11]))) { _mString = '<polygon points="9,10 11,10 11,14 10,14 10,13 9,13" fill="hsl(119, 100%, 41%)"/><rect x="5" y="10" width="6" height="1" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[12]))) { _mString = '<polygon points="7,11 7,12 6,12 6,10 9,10 11,10 11,14 10,14 10,13 9,13 9,11" fill="hsl(352, 100%, 41%)"/><rect x="5" y="10" width="6" height="1" fill="hsl(180,0%,0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[13]))) { _mString = '<polygon points="5,10 11,10 11,11 10,11 10,13 9,13 9,14 8,14 7,14 7,13 6,13 6,11 5,11," fill="hsl(180, 0%, 0%)"/><rect x="7" y="11" width="2" height="2" fill="hsl(4, 74%, 50%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[14]))) { _mString = '<polygon points=" 7,10 6,10 6,9 10,9 10,10 11,10 11,12 10,12 10,13 6,13 6,12 5,12 5,10" fill="hsl(180, 0%, 0%)"/><rect x="6" y="10" width="4" height="2" fill="hsl(4, 74%, 50%)"/><rect x="9" y="10" width="1" height="1" fill="hsl(180, 100%, 100%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[15]))) { _mString = '<rect x="7" y="10" width="2" height="2" fill="hsl(4, 74%, 50%)"/><rect x="8" y="10" width="1" height="1" fill="hsl(180, 100%, 100%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[16]))) { _mString = '<polygon points="6,10 11,10 11,9 10,9 10,12 11,12 11,11 6,11" fill="hsl(180, 0%, 0%)"/>'; } if (keccak256(abi.encodePacked(_trait)) == keccak256(abi.encodePacked(_traitArray[17]))) { _mString = '<polygon points="3,8 4,8 4,9 5,9 5,10 6,10 6,9 10,9 10,10 11,10 11,9 12,9 12,8 13,8 13,9 12,9 12,10 11,10 11,12 13,12 13,13 3,13 3,12 5,12 5,10 4,10 4,9 3,9 " fill="hsl(0, 0%, 20%)"/><rect x="6" y="10" width="4" height="2" fill="hsl(53, 12%, 85%)"/>'; } return(_mString,_mJson = _trait); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0; /// @title Base64 /// @author Brecht Devos - <[email protected]> /// @notice Provides functions for encoding/decoding base64 library Base64 { string internal constant TABLE_ENCODE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; bytes internal constant TABLE_DECODE = hex"0000000000000000000000000000000000000000000000000000000000000000" hex"00000000000000000000003e0000003f3435363738393a3b3c3d000000000000" hex"00000102030405060708090a0b0c0d0e0f101112131415161718190000000000" hex"001a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132330000000000"; function encode(bytes memory data) internal pure returns (string memory) { if (data.length == 0) return ''; // load the table into memory string memory table = TABLE_ENCODE; // multiply by 4/3 rounded up uint256 encodedLen = 4 * ((data.length + 2) / 3); // add some extra buffer at the end required for the writing string memory result = new string(encodedLen + 32); assembly { // set the actual output length mstore(result, encodedLen) // prepare the lookup table let tablePtr := add(table, 1) // input ptr let dataPtr := data let endPtr := add(dataPtr, mload(data)) // result ptr, jump over length let resultPtr := add(result, 32) // run over the input, 3 bytes at a time for {} lt(dataPtr, endPtr) {} { // read 3 bytes dataPtr := add(dataPtr, 3) let input := mload(dataPtr) // write 4 characters mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and(shr( 6, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and( input, 0x3F)))) resultPtr := add(resultPtr, 1) } // padding with '=' switch mod(mload(data), 3) case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) } case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) } } return result; } function decode(string memory _data) internal pure returns (bytes memory) { bytes memory data = bytes(_data); if (data.length == 0) return new bytes(0); require(data.length % 4 == 0, "invalid base64 decoder input"); // load the table into memory bytes memory table = TABLE_DECODE; // every 4 characters represent 3 bytes uint256 decodedLen = (data.length / 4) * 3; // add some extra buffer at the end required for the writing bytes memory result = new bytes(decodedLen + 32); assembly { // padding with '=' let lastBytes := mload(add(data, mload(data))) if eq(and(lastBytes, 0xFF), 0x3d) { decodedLen := sub(decodedLen, 1) if eq(and(lastBytes, 0xFFFF), 0x3d3d) { decodedLen := sub(decodedLen, 1) } } // set the actual output length mstore(result, decodedLen) // prepare the lookup table let tablePtr := add(table, 1) // input ptr let dataPtr := data let endPtr := add(dataPtr, mload(data)) // result ptr, jump over length let resultPtr := add(result, 32) // run over the input, 4 characters at a time for {} lt(dataPtr, endPtr) {} { // read 4 characters dataPtr := add(dataPtr, 4) let input := mload(dataPtr) // write 3 bytes let output := add( add( shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)), shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))), add( shl( 6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)), and(mload(add(tablePtr, and( input , 0xFF))), 0xFF) ) ) mstore(resultPtr, shl(232, output)) resultPtr := add(resultPtr, 3) } } return result; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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address"}],"name":"setTagContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startPixelWar","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"started","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":[],"name":"teamClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"timeLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"","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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"walletHighscore","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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