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此合同的源代码已经过验证！
合同元数据
编译器
0.8.17+commit.8df45f5f
语言
Solidity
合同源代码
文件 1 的 8：AnonymiceLibrary.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library AnonymiceLibrary {
string internal constant TABLE =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
function encode(bytes memory data) internal pure returns (string memory) {
if (data.length == 0) return "";
// load the table into memory
string memory table = TABLE;
// multiply by 4/3 rounded up
uint256 encodedLen = 4 * ((data.length + 2) / 3);
// add some extra buffer at the end required for the writing
string memory result = new string(encodedLen + 32);
assembly {
// set the actual output length
mstore(result, encodedLen)
// prepare the lookup table
let tablePtr := add(table, 1)
// input ptr
let dataPtr := data
let endPtr := add(dataPtr, mload(data))
// result ptr, jump over length
let resultPtr := add(result, 32)
// run over the input, 3 bytes at a time
for {
} lt(dataPtr, endPtr) {
} {
dataPtr := add(dataPtr, 3)
// read 3 bytes
let input := mload(dataPtr)
// write 4 characters
mstore(
resultPtr,
shl(248, mload(add(tablePtr, and(shr(18, input), 0x3F))))
)
resultPtr := add(resultPtr, 1)
mstore(
resultPtr,
shl(248, mload(add(tablePtr, and(shr(12, input), 0x3F))))
)
resultPtr := add(resultPtr, 1)
mstore(
resultPtr,
shl(248, mload(add(tablePtr, and(shr(6, input), 0x3F))))
)
resultPtr := add(resultPtr, 1)
mstore(
resultPtr,
shl(248, mload(add(tablePtr, and(input, 0x3F))))
)
resultPtr := add(resultPtr, 1)
}
// padding with '='
switch mod(mload(data), 3)
case 1 {
mstore(sub(resultPtr, 2), shl(240, 0x3d3d))
}
case 2 {
mstore(sub(resultPtr, 1), shl(248, 0x3d))
}
}
return result;
}
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
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);
}
function parseInt(string memory _a)
internal
pure
returns (uint8 _parsedInt)
{
bytes memory bresult = bytes(_a);
uint8 mint = 0;
for (uint8 i = 0; i < bresult.length; i++) {
if (
(uint8(uint8(bresult[i])) >= 48) &&
(uint8(uint8(bresult[i])) <= 57)
) {
mint *= 10;
mint += uint8(bresult[i]) - 48;
}
}
return mint;
}
function substring(
string memory str,
uint256 startIndex,
uint256 endIndex
) internal pure returns (string memory) {
bytes memory strBytes = bytes(str);
bytes memory result = new bytes(endIndex - startIndex);
for (uint256 i = startIndex; i < endIndex; i++) {
result[i - startIndex] = strBytes[i];
}
return string(result);
}
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
}合同源代码
文件 2 的 8：Base64.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0;
/// @title Base64
/// @author Brecht Devos - <brecht@loopring.org>
/// @notice Provides functions for encoding/decoding base64
library Base64 {
string internal constant TABLE_ENCODE =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
function encode(bytes memory data) internal pure returns (string memory) {
if (data.length == 0) return "";
// load the table into memory
string memory table = TABLE_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;
}
}
合同源代码
文件 3 的 8：CitizensOfOverworld.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.12 <0.9.0;
import "./ERC721A.sol";
import "./IERC721A.sol";
import "./Base64.sol";
import "./Ownable.sol";
import "./AnonymiceLibrary.sol";
import "./Utility.sol";
contract CitizensOfOverworld is ERC721A, Ownable {
/*
*******************************************************************************************************************
* *
* ______ __ __ __ ______ *
* / \ | \ | \ | \ / \ *
* | 000000\ \00 _| 00_ \00 ________ ______ _______ _______ ______ | 000000\ *
* | 00 \00| \| 00 \ | \| \ / \ | \ / \ / \ | 00_ \00 *
* | 00 | 00 \000000 | 00 \00000000| 000000\| 0000000\| 0000000 | 000000\| 00 \ *
* | 00 __ | 00 | 00 __ | 00 / 00 | 00 00| 00 | 00 \00 \ | 00 | 00| 0000 *
* | 00__/ \| 00 | 00| \| 00 / 0000_ | 00000000| 00 | 00 _\000000\ | 00__/ 00| 00 *
* \00 00| 00 \00 00| 00| 00 \ \00 \| 00 | 00| 00 \00 00| 00 *
* \000000 \00 \0000 \00 \00000000 \0000000 \00 \00 \0000000 \000000 \00 *
* *
* ______ __ __ 0000000000 *
* / \ | \ | \ 00000000000000 *
* | 000000\ __ __ ______ ______ __ __ __ ______ ______ | 00 ____| 00 00000000000000 *
* | 00 | 00| \ / \ / \ / \ | \ | \ | \ / \ / \ | 00 / 00 00000000000000 *
* | 00 | 00 \00\ / 00| 000000\| 000000\| 00 | 00 | 00| 000000\| 000000\| 00| 0000000 0000000000 *
* | 00 | 00 \00\ 00 | 00 00| 00 \00| 00 | 00 | 00| 00 | 00| 00 \00| 00| 00 | 00 000000000000 *
* | 00__/ 00 \00 00 | 00000000| 00 | 00_/ 00_/ 00| 00__/ 00| 00 | 00| 00__| 00 01000000000010 *
* \00 00 \000 \00 \| 00 \00 00 00 \00 00| 00 | 00 \00 00 01000000000010 *
* \000000 \0 \0000000 \00 \00000\0000 \000000 \00 \00 \0000000 0000 0000 *
* *
* *
* on-chain, animated digital collectibles *
* *
* *
* created by @0xMongoon ( ＾◡＾)っ ♡ *
* *
* with inspiration from all the devs & collections living on-chain *
*******************************************************************************************************************
__ __ __ __ __
| \ | \ | \ | \ | \
| 00 | 00 ______ ______ \00 ______ | 00____ | 00 ______ _______
| 00 | 00| \ / \ | \ | \ | 00 \ | 00 / \ / \
\00\ / 00 \000000\| 000000\| 00 \000000\| 0000000\| 00| 000000\| 0000000
\00\ 00 / 00| 00 \00| 00 / 00| 00 | 00| 00| 00 00 \00 \
\00 00 | 0000000| 00 | 00| 0000000| 00__/ 00| 00| 00000000 _\000000\
\000 \00 00| 00 | 00 \00 00| 00 00| 00 \00 \| 00
\0 \0000000 \00 \00 \0000000 \0000000 \00 \0000000 \0000000
*/
// ********** //
// * ERC721 * //
// ********** //
// ERC721A values.
uint256 public MAX_SUPPLY;
uint256 public constant MAX_MINT_PER_WALLET = 4;
uint256 public constant MAX_MINT_OWNER = 30;
uint256 public constant PRICE_AFTER_FIRST_MINT = 0.005 ether;
// ****************************** //
// * Mint Tracking & Regulation * //
// ****************************** //
// Used to start/pause mint
bool public mintLive = false;
// Tracks last write and num minted for each address except owner
// Last write is used to prevent flashbots from reverting their mint after seeing traits they got (courtesy Circolors)
mapping(address => uint256) public mintedInfo;
// Tracks how many Citizens the owner has minted
uint256 public tokensMintedByOwner = 0;
// Used to add some more variability in pseudo-randomness
uint256 private seed_nonce;
// *********** //
// * Utility * //
// *********** //
// Used for converting small uints to strings with low gas
string[33] private lookup;
// ************************************ //
// * STORAGE OF COMPRESSED IMAGE DATA * //
// ************************************ //
// Used to store the compressed trait images as bytes
bytes[][] private compressedTraitImages;
// Used to store the compressed trait metadata as bytes32
bytes20[][] private compressedTraitMetadata;
// Used to store that background image data as strings
string[6] private backgrounds;
// Used to store the animation and gradient data for each legendary trait as bytes
bytes public legendaryAnimations;
// Used to store the pixels for each legendary trait as bytes
bytes private legendaryPixels;
// Used to store all possible colors as a single bytes object
bytes private hexColorPalette;
// Once the owner loads the data, this is set to true, and the data is locked
bool public compressedDataLoaded;
// ************************************** //
// * STORAGE OF DECOMPRESSED IMAGE DATA * //
// ************************************** //
// Used to store the bounds within the SVG coordinate system for each trait
struct Bounds {
uint8 minX;
uint8 maxX;
uint8 minY;
uint8 maxY;
}
// Used to store the color and length of each pixel of a trait
struct Pixel {
uint8 length;
uint8 colorIndex;
}
// Used to store the decompressed trait image
struct DecompressedTraitImage {
Bounds bounds;
Pixel[] draws;
}
// *************************** //
// * RENDERING OF IMAGE DATA * //
// *************************** //
// Constant values that will be used to build the SVG
// Some are only used if the Citizen has a 'rainbow' trait or is legendary
string private constant _SVG_PRE_STYLE_ATTRIBUTE =
'<svg xmlns="http://www.w3.org/2000/svg" id="citizen" viewBox="-4.5 -5 42 42" width="640" height="640" style="';
string private constant _SVG_DEF_TAGS =
' shape-rendering: crispedges; image-rendering: -moz-crisp-edges; background-repeat: no-repeat;"><defs><radialGradient id="i"><stop offset="0%" style="stop-color:#000000;stop-opacity:.9"/><stop offset="100%" style="stop-opacity:0"/></radialGradient>';
string private constant _SVG_RAINBOW_ANIMATION_DEF_IF_RAINBOW =
'<animate xmlns="http://www.w3.org/2000/svg" href="#r" attributeName="fill" values="red;orange;yellow;green;blue;violet;red;" dur="1s" repeatCount="indefinite"/>';
string private constant _SVG_CLIP_DEF_IF_LEGENDARY =
'<clipPath id="c"><rect x="11" y="13" width="11" height="16"/><rect x="10" y="15" width="1" height="14"/><rect x="22" y="15" width="1" height="14"/><rect x="12" y="29" width="4" height="4"/><rect x="17" y="29" width="4" height="4"/><rect x="16" y="29" width="1" height="1"/></clipPath>';
string private constant _SVG_TAG_PRE_ANIMATION_ID_REF =
'</defs><ellipse cx="16.5" cy="33" rx="6" ry="2" fill="url(#i)"><animate attributeType="XML" attributeName="rx" dur="1.3s" values="9;7;9" repeatCount="indefinite" calcMode="spline" keyTimes="0; 0.5; 1" keySplines="0.5 0 0.5 1; 0.5 0 0.5 1"/></ellipse><g fill="url(#';
string private constant _SVG_FINAL_START_TAG =
')" clip-path="url(#c)" id="r"><animateTransform attributeType="XML" attributeName="transform" type="translate" values="0,.5;0,-.5;0,.5" repeatCount="indefinite" dur="1.3s" calcMode="spline" keyTimes="0; 0.5; 1" keySplines="0.5 0 0.5 1; 0.5 0 0.5 1"/>';
string private constant _SVG_END_TAG = "</g></svg>";
// Used to store the DNA for each Citizen. This DNA is used to determine the traits of each Citizen upon rendering via tokenURI()
struct DNA {
uint256 Legendary;
uint256 Body;
uint256 Pants;
uint256 Shirt;
uint256 Eyes;
uint256 Hat;
uint256 Accessory;
uint256 Mouth;
uint256 Background;
}
// Contains the DNA for every Citizen, keyed by tokenId
mapping(uint256 => uint256) public tokenIdToSeed;
// ****************** //
// * TRAIT RARITIES * //
// ****************** //
uint256[] legendaryRarity = [uint256(9944), 7, 7, 7, 7, 7, 7, 7, 7];
uint256[] bodyRarity = [uint256(25), 25, 25, 25, 25, 25, 24, 24, 1];
uint256[] pantsRarity = [uint256(18), 16, 4, 16, 16, 17, 15, 10, 14, 4, 14, 14, 15, 16, 8, 2];
uint256[] shirtRarity = [uint256(19), 19, 19, 19, 19, 19, 17, 15, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 6, 2];
uint256[] eyesRarity = [uint256(10), 5, 10, 10, 10, 5, 1, 4, 25, 1, 25, 4, 4, 2, 2, 2, 2, 22, 10, 10, 16, 3, 15, 2];
uint256[] hatRarity = [uint256(2), 12, 12, 12, 4, 5, 4, 12, 12, 12, 4, 12, 1, 4, 5, 2, 2, 13, 5, 2, 2, 2, 5, 13, 13, 4, 3, 3, 3, 3, 3, 8, 1];
uint256[] accessoryRarity = [uint256(10), 4, 20, 3, 12, 150, 1];
uint256[] mouthRarity = [uint256(2), 2, 2, 2, 2, 2, 2, 2, 4, 3, 4, 15, 24, 4, 4, 4, 3, 24, 3, 4, 11, 9, 3, 4, 11, 11, 11, 10, 10, 4, 4];
uint256[] backgroundRarity = [uint256(30), 30, 30, 30, 30, 30, 3, 3, 3, 3, 4, 4];
/*
________ __ __
| \ | \ | \
| 00000000__ __ _______ _______ _| 00_ \00 ______ _______ _______
| 00__ | \ | \| \ / \| 00 \ | \ / \ | \ / \
| 00 \ | 00 | 00| 0000000\| 0000000 \000000 | 00| 000000\| 0000000\| 0000000
| 00000 | 00 | 00| 00 | 00| 00 | 00 __ | 00| 00 | 00| 00 | 00 \00 \
| 00 | 00__/ 00| 00 | 00| 00_____ | 00| \| 00| 00__/ 00| 00 | 00 _\000000\
| 00 \00 00| 00 | 00 \00 \ \00 00| 00 \00 00| 00 | 00| 00
\00 \000000 \00 \00 \0000000 \0000 \00 \000000 \00 \00 \0000000
*/
constructor() ERC721A("Citizens of Overworld", "OVRWRLD") {}
// *********************************** //
// * FLASHBOT MINT REVERT PREVENTION * //
// *********************************** //
// Prevents someone calling read functions the same block they mint (courtesy of Circolors)
modifier disallowIfStateIsChanging() {
require(
owner() == msg.sender ||
(mintedInfo[msg.sender] >> 8) < block.number,
"pwnd"
);
_;
}
// ***************** //
// * CUSTOM ERRORS * //
// ********/******** //
error MintNotLive();
error TooMany();
error SoldOut();
error DownOnly();
error BadPrice();
error BiggerSupplyPls();
/*
__ __ __ __
| \ / \| \ | \ _ _
| 00\ / 00 \00 _______ _| 00_ ((\o/))
| 000\ / 000| \| \| 00 \ .-----//^\\-----.
| 0000\ 0000| 00| 0000000\\000000 | /`| |`\ |
| 00\00 00 00| 00| 00 | 00 | 00 __ | | | |
| 00 \000| 00| 00| 00 | 00 | 00| \ | | | |
| 00 \0 | 00| 00| 00 | 00 \00 00 | | | |
\00 \00 \00 \00 \00 \0000 ༼ つ ◕_◕ ༽つ '------===------'
*/
function mint(uint256 quantity) external payable {
if (!mintLive) revert MintNotLive();
uint256 walletMinted = mintedInfo[msg.sender] & 0xFF;
uint256 newWalletMinted = walletMinted + quantity;
if (newWalletMinted > MAX_MINT_PER_WALLET) revert TooMany();
uint256 totalminted = _totalMinted();
uint256 newSupply = totalminted + quantity;
if (newSupply + (MAX_MINT_OWNER - tokensMintedByOwner) > MAX_SUPPLY)
revert SoldOut();
uint256 totalFee = (quantity - (mintedInfo[msg.sender] != 0 ? 0 : 1)) *
PRICE_AFTER_FIRST_MINT;
if (msg.value != totalFee) revert BadPrice();
mintedInfo[msg.sender] = (block.number << 8) + newWalletMinted;
_safeMint(msg.sender, quantity);
for (; totalminted < newSupply; ++totalminted) {
uint256 seed = generateSeed(totalminted);
tokenIdToSeed[totalminted] = seed;
unchecked {
seed_nonce += seed;
}
}
}
/*
______ __ __ __
/ \ | \ | \ | \ (=( )=)
| 000000\ \00 _| 00_ \00 ________ ______ _______ `.\ /,'
| 00 \00| \| 00 \ | \| \ / \ | \ `\.
| 00 | 00 \000000 | 00 \00000000| 000000\| 0000000\ ,'/ \`.
| 00 __ | 00 | 00 __ | 00 / 00 | 00 00| 00 | 00 (=( )=)
| 00__/ \| 00 | 00| \| 00 / 0000_ | 00000000| 00 | 00 `.\ /,'
\00 00| 00 \00 00| 00| 00 \ \00 \| 00 | 00 ,/'
\000000 \00 \0000 \00 \00000000 \0000000 \00 \00 ,'/ \`.
______ __ __ (=( )=)
/ \ | \ | \ `.\ /,'
| 000000\ ______ _______ ______ ______ ______ _| 00_ \00 ______ _______ `\.
| 00 __\00 / \ | \ / \ / \ | \| 00 \ | \ / \ | \ ,'/ \`.
| 00| \| 000000\| 0000000\| 000000\| 000000\ \000000\\000000 | 00| 000000\| 0000000\ (=( )=)
| 00 \0000| 00 00| 00 | 00| 00 00| 00 \00/ 00 | 00 __ | 00| 00 | 00| 00 | 00 `.\ /,'
| 00__| 00| 00000000| 00 | 00| 00000000| 00 | 0000000 | 00| \| 00| 00__/ 00| 00 | 00 ,/'
\00 00 \00 \| 00 | 00 \00 \| 00 \00 00 \00 00| 00 \00 00| 00 | 00 ,'/ \`.
\000000 \0000000 \00 \00 \0000000 \00 \0000000 \0000 \00 \000000 \00 \00 (=( )=)
*/
/**
* Creates DNA object for Overworld's newest Citizen via pseudorandom trait generation.
*/
function generateSeed(uint256 tokenId) private view returns (uint256) {
return
uint256(
keccak256(
abi.encodePacked(
blockhash(block.number - 1),
tokenId,
msg.sender,
block.timestamp,
block.difficulty,
seed_nonce
)
)
);
}
/**
* Returns a random number between 0 and 200, weighted by rarity array.
*/
function getRarity(int256 rand, uint256[] memory rarity)
private
pure
returns (uint256)
{
uint256 trait;
for (uint256 i; i < rarity.length; ++i) {
if (rand - int256(rarity[i]) < 0) {
trait = i;
break;
}
rand -= int256(rarity[i]);
}
return trait;
}
/*
▒▒
▒▒░░▒▒
______ __ __ __ ▒▒░░░░░░▒▒
/ \ | \ | \ | \ ▒▒░░░░░░░░░░▒▒
| 000000\ \00 _| 00_ \00 ________ ______ _______ ▒▒░░░░░░░░░░░░░░▒▒
| 00 \00| \| 00 \ | \| \ / \ | \ ▒▒░░▒▒░░░░░░░░░░░░░░▒▒
| 00 | 00 \000000 | 00 \00000000| 000000\| 0000000\ ░░ ▒▒░░▒▒░░░░░░░░░░░░░░▒▒
| 00 __ | 00 | 00 __ | 00 / 00 | 00 00| 00 | 00 ░░ ██ ▒▒░░▒▒░░░░░░░░░░▒▒
| 00__/ \| 00 | 00| \| 00 / 0000_ | 00000000| 00 | 00 ░░ ██ ▒▒░░▒▒░░░░░░▒▒
\00 00| 00 \00 00| 00| 00 \ \00 \| 00 | 00 ░░ ██ ██ ▒▒░░▒▒░░▒▒
\000000 \00 \0000 \00 \00000000 \0000000 \00 \00 ░░ ██ ██ ▒▒░░▒▒
░░ ██ ██ ██ ▒▒
_______ __ __ ░░ ██ ██ ██ ░░
| \ | \ | \ ░░ ██ ██ ██ ░░
| 0000000\ ______ _______ ____| 00 ______ ______ \00 _______ ______ ▒▒██ ██ ██ ░░
| 00__| 00 / \ | \ / 00 / \ / \ | \| \ / \ ▒▒░░▒▒ ██ ██ ░░
| 00 00| 000000\| 0000000\| 0000000| 000000\| 000000\| 00| 0000000\| 000000\ ▒▒░░░░▒▒██ ██ ░░
| 0000000\| 00 00| 00 | 00| 00 | 00| 00 00| 00 \00| 00| 00 | 00| 00 | 00 ▒▒░░░░░░░░▒▒ ██ ░░
| 00 | 00| 00000000| 00 | 00| 00__| 00| 00000000| 00 | 00| 00 | 00| 00__| 00 ▒▒░░░░░░░░░░▒▒██ ░░
| 00 | 00 \00 \| 00 | 00 \00 00 \00 \| 00 | 00| 00 | 00 \00 00 ▒▒░░░░░░░░░░░░░░▒▒░░
\00 \00 \0000000 \00 \00 \0000000 \0000000 \00 \00 \00 \00 _\0000000 ▒▒░░░░░░░░░░▒▒▒▒
| \__| 00 ████░░░░▒▒▒▒
\00 00 ██████▒▒▒▒
\000000 ████
*/
function tokenURI(uint256 tokenId)
public
view
override(ERC721A)
disallowIfStateIsChanging
returns (string memory)
{
if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
return
string(
abi.encodePacked(
"data:application/json;base64,",
Base64.encode(
abi.encodePacked(
'{"name": "Citizen ',
_toString(tokenId),
'", "image": "data:image/svg+xml;base64,',
Base64.encode(bytes(tokenIdToSVG(tokenId))),
'","attributes":',
tokenIdToMetadata(tokenId),
"}"
)
)
)
);
}
/**
* Given a seed, returns a DNA struct containing all the traits.
*/
function getDNA(uint256 seed)
public
view
disallowIfStateIsChanging
returns (DNA memory)
{
uint256 extractedRandomNum;
int256 rand;
uint256 mask = 0xFFFF;
uint256 traitLegendary;
uint256 traitBody;
uint256 traitPants;
uint256 traitShirt;
uint256 traitEyes;
uint256 traitHat;
uint256 traitAccessory;
uint256 traitMouth;
uint256 traitBackground;
// Calculate Legendary trait based on seed
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 10000);
traitLegendary = getRarity(rand, legendaryRarity);
// Calculate Body trait based on seed
seed >>= 4;
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 200);
traitBody = getRarity(rand, bodyRarity);
// Calculate Pants trait based on seed
seed >>= 1;
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 200);
traitPants = getRarity(rand, pantsRarity);
// Calculate Shirt trait based on seed
seed >>= 1;
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 200);
traitShirt = getRarity(rand, shirtRarity);
// Calculate Eyes trait based on seed
seed >>= 4;
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 200);
traitEyes = getRarity(rand, eyesRarity);
// Calculate Hat trait based on seed
seed >>= 4;
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 200);
traitHat = getRarity(rand, hatRarity);
// Calculate Accessory trait based on seed
seed >>= 4;
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 200);
traitAccessory = getRarity(rand, accessoryRarity);
// Calculate Mouth trait based on seed
seed >>= 4;
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 200);
traitMouth = getRarity(rand, mouthRarity);
// Calculate Background trait based on seed
seed >>= 4;
extractedRandomNum = seed & mask;
rand = int256(extractedRandomNum % 200);
traitBackground = getRarity(rand, backgroundRarity);
return
DNA({
Legendary: traitLegendary,
Body: traitBody,
Pants: traitPants,
Shirt: traitShirt,
Eyes: traitEyes,
Hat: traitHat,
Accessory: traitAccessory,
Mouth: traitMouth,
Background: traitBackground
});
}
/**
* Given a tokenId, returns its SVG.
*/
function tokenIdToSVG(uint256 tokenId)
public
view
disallowIfStateIsChanging
returns (string memory)
{
// Get the DNA derived from the tokenId's seed
DNA memory dna = getDNA(tokenIdToSeed[tokenId]);
// This will hold the SVG pixels (represented as SVG <rect> elements)
string memory svgRectTags;
if (dna.Legendary == 0) {
svgRectTags = string(
abi.encodePacked(
svgRectTags,
getRectTagsFromCompressedImageData(
compressedTraitImages[4][dna.Body % 8],
dna.Body == 8
)
)
);
if (dna.Pants != 14) {
svgRectTags = string(
abi.encodePacked(
svgRectTags,
getRectTagsFromCompressedImageData(
compressedTraitImages[5][dna.Pants % 15],
dna.Pants == 15
)
)
);
}
if (dna.Shirt != 19) {
svgRectTags = string(
abi.encodePacked(
svgRectTags,
getRectTagsFromCompressedImageData(
compressedTraitImages[6][
dna.Mouth < 8
? (dna.Shirt + dna.Pants) % 8
: dna.Shirt % 20
], // If mouth is beard, make shirt solid color
dna.Shirt == 20
)
)
);
}
svgRectTags = string(
abi.encodePacked(
svgRectTags,
getRectTagsFromCompressedImageData(
compressedTraitImages[0][dna.Eyes == 23 ? 1 : dna.Eyes],
dna.Eyes == 23
)
)
);
if (dna.Hat != 31) {
svgRectTags = string(
abi.encodePacked(
svgRectTags,
getRectTagsFromCompressedImageData(
compressedTraitImages[1][
dna.Hat == 32
? (dna.Hat + dna.Shirt + dna.Pants) % 20
: dna.Hat
],
dna.Hat == 32
)
)
);
}
if (dna.Accessory != 5) {
svgRectTags = string(
abi.encodePacked(
svgRectTags,
getRectTagsFromCompressedImageData(
compressedTraitImages[2][dna.Accessory % 6],
dna.Accessory == 6
)
)
);
}
svgRectTags = string(
abi.encodePacked(
svgRectTags,
getRectTagsFromCompressedImageData(
compressedTraitImages[3][dna.Mouth],
false
)
)
);
} else {
svgRectTags = string(
abi.encodePacked(
svgRectTags,
parseLegendaryRects(legendaryPixels)
)
);
}
return
string(
abi.encodePacked(
_SVG_PRE_STYLE_ATTRIBUTE,
getBackgroundStyleFromDnaIndex(
dna.Background,
dna.Legendary > 0
),
_SVG_DEF_TAGS,
(dna.Legendary > 0)
? ""
: _SVG_RAINBOW_ANIMATION_DEF_IF_RAINBOW,
(dna.Legendary > 0) ? _SVG_CLIP_DEF_IF_LEGENDARY : "",
(dna.Legendary > 0)
? parseLegendaryAnimations(dna.Legendary)
: "",
_SVG_TAG_PRE_ANIMATION_ID_REF,
AnonymiceLibrary.toString(dna.Legendary),
_SVG_FINAL_START_TAG,
svgRectTags,
_SVG_END_TAG
)
);
}
function tokenIdToMetadata(uint256 tokenId)
public
view
disallowIfStateIsChanging
returns (string memory)
{
unchecked {
DNA memory tokenDna = getDNA(tokenIdToSeed[tokenId]);
string memory metadataString;
if (tokenDna.Legendary > 0) {
metadataString = string(
abi.encodePacked(
'{"trait_type":"',
Utility.bytes20ToString(compressedTraitMetadata[8][0]),
'","value":"',
Utility.bytes20ToString(
compressedTraitMetadata[8][tokenDna.Legendary + 1]
),
'"}'
)
);
} else {
for (uint256 i; i < 9; ++i) {
uint256 traitValueIndex;
if (i == 0) {
traitValueIndex = tokenDna.Eyes;
} else if (i == 1) {
traitValueIndex = tokenDna.Hat;
} else if (i == 2) {
traitValueIndex = tokenDna.Accessory;
} else if (i == 3) {
traitValueIndex = tokenDna.Mouth;
} else if (i == 4) {
traitValueIndex = tokenDna.Body;
} else if (i == 5) {
traitValueIndex = tokenDna.Pants;
} else if (i == 6) {
traitValueIndex = tokenDna.Mouth < 8
? (tokenDna.Shirt + tokenDna.Pants) % 8
: tokenDna.Shirt % 20;
} else if (i == 7) {
traitValueIndex = tokenDna.Background;
} else if (i == 8) {
traitValueIndex = tokenDna.Legendary;
} else {
traitValueIndex = uint256(69);
}
string memory traitName = Utility.bytes20ToString(
compressedTraitMetadata[i][0]
);
string memory traitValue = Utility.bytes20ToString(
compressedTraitMetadata[i][traitValueIndex + 1]
);
string memory startline;
if (i != 0) startline = ",";
metadataString = string(
abi.encodePacked(
metadataString,
startline,
'{"trait_type":"',
traitName,
'","value":"',
traitValue,
'"}'
)
);
}
}
return string.concat("[", metadataString, "]");
}
}
/**
* Given a Run-Length Encoded image in 'bytes', decompress it into a more workable data structure.
*/
function decompressTraitImageData(bytes memory image)
private
pure
returns (DecompressedTraitImage memory)
{
Bounds memory bounds = Bounds({
minX: uint8(image[0]),
maxX: uint8(image[1]),
minY: uint8(image[2]),
maxY: uint8(image[3])
});
uint256 pixelDataIndex;
Pixel[] memory draws = new Pixel[]((image.length - 4) / 2);
for (uint256 i = 4; i < image.length; i += 2) {
draws[pixelDataIndex] = Pixel({
length: uint8(image[i]),
colorIndex: uint8(image[i + 1])
});
++pixelDataIndex;
}
return DecompressedTraitImage({bounds: bounds, draws: draws});
}
/**
* Given the compressed image data for a single trait, and whether or not it is of special type,
* return a string of rects that will be inserted into the final svg rendering.
*/
function getRectTagsFromCompressedImageData(
bytes memory compressedImage,
bool isRainbow
) private view returns (string memory) {
DecompressedTraitImage memory image = decompressTraitImageData(
compressedImage
);
Pixel memory pixel;
string[] memory cache = new string[](256);
uint256 currentX = 0;
uint256 currentY = image.bounds.minY;
// will hold data for 4 rects
string[16] memory buffer;
string memory part;
string memory rects;
uint256 cursor;
for (uint8 i = 0; i < image.draws.length; ++i) {
pixel = image.draws[i];
uint8 drawLength = pixel.length;
uint8 length = getRectLength(currentX, drawLength, 32);
if (pixel.colorIndex != 0) {
buffer[cursor] = lookup[length]; // width
buffer[cursor + 1] = lookup[currentX]; // x
buffer[cursor + 2] = lookup[currentY]; // y
buffer[cursor + 3] = getColorFromPalette(
hexColorPalette,
pixel.colorIndex,
cache
); // color
cursor += 4;
if (cursor > 15) {
part = string(
abi.encodePacked(
part,
getChunk(cursor, buffer, isRainbow)
)
);
cursor = 0;
}
}
currentX += length;
if (currentX > 31) {
currentX = 0;
++currentY;
}
}
if (cursor != 0) {
part = string(
abi.encodePacked(part, getChunk(cursor, buffer, isRainbow))
);
}
rects = string(abi.encodePacked(rects, part));
return rects;
}
/**
* Given an x-coordinate, Pixel length, and right bound, return the Pixel
* length for a single SVG rectangle.
*/
function getRectLength(
uint256 currentX,
uint8 drawLength,
uint8 maxX
) private pure returns (uint8) {
uint8 remainingPixelsInLine = maxX - uint8(currentX);
return
drawLength <= remainingPixelsInLine
? drawLength
: remainingPixelsInLine;
}
/**
* Get the target hex color code from the cache. Populate the cache if
* the color code does not yet exist.
*/
function getColorFromPalette(
bytes memory palette,
uint256 index,
string[] memory cache
) private pure returns (string memory) {
if (bytes(cache[index]).length == 0) {
uint256 i = index * 3;
cache[index] = Utility._toHexString(
abi.encodePacked(palette[i], palette[i + 1], palette[i + 2])
);
}
return cache[index];
}
/**
* Builds up to 4 rects given a buffer (array of strings, each contiguous group of 4 strings belonging to a
* single rect.
*/
function getChunk(
uint256 cursor,
string[16] memory buffer,
bool isRainbow
) private pure returns (string memory) {
string memory chunk;
for (uint256 i = 0; i < cursor; i += 4) {
bool isRectBlackColor = (keccak256(
abi.encodePacked((buffer[i + 3]))
) == keccak256(abi.encodePacked(("000001"))));
chunk = string(
abi.encodePacked(
chunk,
'<rect width="',
buffer[i],
'" height="1" x="',
buffer[i + 1],
'" y="',
buffer[i + 2],
isRainbow && !isRectBlackColor ? "" : '" fill="#',
isRainbow && !isRectBlackColor ? "" : buffer[i + 3],
'"/>'
)
);
}
return chunk;
}
/**
* Given an index (derived from the Citizen's "background" trait), returns the html-styled background string,
* which will be inserted into the svg. If the Citizen is legendary, the background will be black & white.
*/
function getBackgroundStyleFromDnaIndex(uint256 index, bool isLegendary)
private
view
returns (string memory)
{
if (isLegendary)
return "background: radial-gradient(white 0%, black 120%);";
else if (index > 5)
return
string.concat(
"background: linear-gradient(to bottom right, ",
"#",
backgrounds[index % 6],
", #",
backgrounds[(index + 1) % 6],
", #",
backgrounds[(index + 2) % 6],
", #",
backgrounds[(index + 3) % 6],
");"
);
else
return
string.concat(
"background: radial-gradient(antiquewhite 0%, #",
backgrounds[index],
" 60%);"
);
}
/**
* Given a legendary trait value (1-8), decodes the bytes at that index of the legendaryAnimations array and returns
* the SVG <linearGradient> and <animate> tags.
*/
function parseLegendaryAnimations(uint256 legendaryTraitValue)
private
view
returns (string memory)
{
if (legendaryTraitValue == 8) {
return
string.concat(
'<linearGradient id="8">',
_SVG_RAINBOW_ANIMATION_DEF_IF_RAINBOW,
"</linearGradient>"
);
} else {
uint256 offset = 7;
uint256 index = (legendaryTraitValue - 1) * offset;
string memory color1 = string.concat(
Utility._toHexString(
abi.encodePacked(
legendaryAnimations[index + 1],
legendaryAnimations[index + 2],
legendaryAnimations[index + 3]
)
)
);
string memory color2 = string.concat(
Utility._toHexString(
abi.encodePacked(
legendaryAnimations[index + 4],
legendaryAnimations[index + 5],
legendaryAnimations[index + 6]
)
)
);
return
string.concat(
'<linearGradient id="',
lookup[uint8(legendaryAnimations[index])],
'"><stop offset="0%" stop-color="#',
color1,
'" stop-opacity="1"></stop><stop offset="50%" stop-color="#',
color2,
'" stop-opacity="1"><animate attributeName="offset" values=".20;.40;.60;.80;.90;.80;.60;.40;.20;" dur="10s" repeatCount="indefinite"></animate></stop><stop offset="100%" stop-color="#',
color1,
'" stop-opacity="1"></stop></linearGradient>'
);
}
}
/**
* Decodes the legendaryPixels array and returns the SVG <rect> tags to render a legendary Citizen.
*/
function parseLegendaryRects(bytes memory _legendaryRects)
private
view
returns (string memory)
{
string memory rects;
for (uint256 i = 0; i < _legendaryRects.length; i += 5) {
rects = string(
abi.encodePacked(
rects,
string.concat(
'<rect x="',
lookup[uint8(_legendaryRects[i])],
'" y="',
lookup[uint8(_legendaryRects[i + 1])],
'" width="',
lookup[uint8(_legendaryRects[i + 2])],
'" height="',
lookup[uint8(_legendaryRects[i + 3])],
uint8(_legendaryRects[i + 4]) == 0
? '"/>'
: '" fill="#000001"/>'
)
)
);
}
return rects;
}
/*
______ __ __ ██████
/ \ | \ | \ ██ ██
| 000000\ ____| 00 ______ ____ \00 _______ ██ ██
| 00__| 00 / 00| \ \ | \| \ ██████████████
| 00 00| 0000000| 000000\0000\| 00| 0000000\ ██ ██
| 00000000| 00 | 00| 00 | 00 | 00| 00| 00 | 00 ██ ██ ██
| 00 | 00| 00__| 00| 00 | 00 | 00| 00| 00 | 00 ██ ██ ██
| 00 | 00 \00 00| 00 | 00 | 00| 00| 00 | 00 ██ ██
\00 \00 \0000000 \00 \00 \00 \00 \00 \00 ██████████████
*/
/**
* Responsible for loading all of the data required to generate Citizens on-chain.
* To be used by the owner of the contract upon deployment.
* This function can only be called once to ensure immutability of the image data and your Citizen.
*/
function loadCompressedData(
bytes[][] calldata _inputTraits,
bytes20[][] calldata _traitMetadata,
string[6] calldata _backgrounds,
bytes calldata _legendaryAnimations,
bytes calldata _legendaryRects,
bytes calldata _colorHexList,
string[33] calldata _lookup,
uint256 _MAX_SUPPLY
) external onlyOwner {
require(!compressedDataLoaded, "Loaded");
compressedDataLoaded = true;
compressedTraitImages = _inputTraits;
compressedTraitMetadata = _traitMetadata;
backgrounds = _backgrounds;
legendaryAnimations = _legendaryAnimations;
legendaryPixels = _legendaryRects;
hexColorPalette = _colorHexList;
lookup = _lookup;
MAX_SUPPLY = _MAX_SUPPLY;
}
/**
* The owner (0xMongoon) is allowed to mint up to 30 custom Citizens.
* These will be reserved for giveaways || community ideas || memes.
*/
function ownerMint(uint256[] calldata customSeeds) external onlyOwner {
uint256 quantity = customSeeds.length;
uint256 totalminted = _totalMinted();
unchecked {
if (tokensMintedByOwner + quantity > MAX_MINT_OWNER)
revert TooMany();
_safeMint(msg.sender, quantity);
for (uint256 i; i < quantity; ++i) {
tokenIdToSeed[totalminted + i] = customSeeds[i];
}
tokensMintedByOwner += quantity;
}
}
function flipMintStatus() external onlyOwner {
mintLive = !mintLive;
}
function cutSupply(uint256 _newSupply) external onlyOwner {
if (_newSupply >= MAX_SUPPLY) revert DownOnly();
if (_newSupply < _totalMinted()) revert BiggerSupplyPls();
MAX_SUPPLY = _newSupply;
}
function withdrawAll() public payable onlyOwner {
uint256 eighty = (address(this).balance / 100) * 80;
uint256 ten = (address(this).balance / 100) * 10;
(bool sentM, ) = payable(
address(0x5B5b71687e7cb013aE35ac9928DbD5393Ea36C63)
).call{value: eighty}("");
require(sentM, "Failed to send");
(bool sentI, ) = payable(
address(0x4533d1F65906368ebfd61259dAee561DF3f3559D)
).call{value: ten}("");
require(sentI, "Failed to send");
(bool sentT, ) = payable(
address(0xE4260Df86f5261A41D19c2066f1Eb2Eb4F009e84)
).call{value: ten}("");
require(sentT, "Failed to send");
}
}
合同源代码
文件 4 的 8：Context.sol
// 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;
}
}
合同源代码
文件 5 的 8：ERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.2
// 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()`.
*
* 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 {
// Reference type for token approval.
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;
// =============================================================
// CONSTRUCTOR
// =============================================================
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_currentIndex = _startTokenId();
}
// =============================================================
// TOKEN COUNTING OPERATIONS
// =============================================================
/**
* @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 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) {
// 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 virtual 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 virtual returns (uint256) {
return _burnCounter;
}
// =============================================================
// 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();
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();
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 Initializes the ownership slot minted at `index` for efficiency purposes.
*/
function _initializeOwnershipAt(uint256 index) internal virtual {
if (_packedOwnerships[index] == 0) {
_packedOwnerships[index] = _packedOwnershipOf(index);
}
}
/**
* 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 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, `curr` will not underflow.
//
// We can directly compare the packed value.
// If the address is zero, packed will be zero.
while (packed == 0) {
packed = _packedOwnerships[--curr];
}
return packed;
}
}
}
revert OwnerQueryForNonexistentToken();
}
/**
* @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.
* 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) public virtual override {
address owner = ownerOf(tokenId);
if (_msgSenderERC721A() != owner)
if (!isApprovedForAll(owner, _msgSenderERC721A())) {
revert ApprovalCallerNotOwnerNorApproved();
}
_tokenApprovals[tokenId].value = to;
emit Approval(owner, to, tokenId);
}
/**
* @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();
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
{
if (operator == _msgSenderERC721A()) revert ApproveToCaller();
_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) {
return
_startTokenId() <= tokenId &&
tokenId < _currentIndex && // If within bounds,
_packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not 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]`.
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 virtual override {
uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
if (address(uint160(prevOwnershipPacked)) != from)
revert TransferFromIncorrectOwner();
(
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();
if (to == address(0)) revert TransferToZeroAddress();
_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;
}
}
}
}
emit Transfer(from, to, tokenId);
_afterTokenTransfers(from, to, tokenId, 1);
}
/**
* @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public 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 virtual override {
transferFrom(from, to, tokenId);
if (to.code.length != 0)
if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
}
/**
* @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();
} else {
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();
_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:
// - `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)
);
uint256 toMasked;
uint256 end = startTokenId + quantity;
// Use assembly to loop and emit the `Transfer` event for gas savings.
assembly {
// Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
toMasked := and(to, _BITMASK_ADDRESS)
// 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`.
startTokenId // `tokenId`.
)
for {
let tokenId := add(startTokenId, 1)
} iszero(eq(tokenId, end)) {
tokenId := add(tokenId, 1)
} {
// Emit the `Transfer` event. Similar to above.
log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
}
}
if (toMasked == 0) revert MintToZeroAddress();
_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();
if (quantity == 0) revert MintZeroQuantity();
if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT)
revert MintERC2309QuantityExceedsLimit();
_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)
);
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 _safeMintImp(
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();
}
} while (index < end);
// Reentrancy protection.
if (_currentIndex != end) revert();
}
}
}
/**
* @dev Equivalent to `_safeMint(to, quantity, '')`.
*/
function _safeMint(address to, uint256 quantity) internal virtual {
_safeMintImp(to, quantity, "");
}
// =============================================================
// 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();
}
_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 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();
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 0x80 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: 0x20 + 3 * 0x20 = 0x80.
str := add(mload(0x40), 0x80)
// Update the free memory pointer to allocate.
mstore(0x40, str)
// 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)
}
}
}
合同源代码
文件 6 的 8：IERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.2
// 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();
/**
* The caller cannot approve to their own address.
*/
error ApproveToCaller();
/**
* 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();
// =============================================================
// 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;
/**
* @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @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;
/**
* @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);
// =============================================================
// 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
);
}
合同源代码
文件 7 的 8：Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "./Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
合同源代码
文件 8 的 8：Utility.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library Utility {
/*
▒▒▒▒
▒▒░░░░▒▒
__ __ __ __ __ __ __ ▒▒░░░░░░░░▒▒
| \ | \ | \ | \| \| \ | \ ▒▒░░░░▒▒░░░░░░▒▒
| 00 | 00 _| 00_ \00| 00 \00 _| 00_ __ __ ▒▒░░░░▒▒░░░░░░▒▒
| 00 | 00| 00 \ | \| 00| \| 00 \ | \ | \ ▒▒░░░░▒▒▒▒░░░░▒▒
| 00 | 00 \000000 | 00| 00| 00 \000000 | 00 | 00 ▒▒░░▒▒▒▒░░░░░░▒▒
| 00 | 00 | 00 __ | 00| 00| 00 | 00 __ | 00 | 00 ██▒▒░░░░▒▒░░░░░░▒▒
| 00__/ 00 | 00| \| 00| 00| 00 | 00| \| 00__/ 00 ██▓▓██░░░░░░▒▒░░░░▒▒
\00 00 \00 00| 00| 00| 00 \00 00 \00 00 ██▓▓██ ▒▒░░░░░░▒▒░░▒▒
\000000 \0000 \00 \00 \00 \0000 _\0000000 ██▓▓██ ▒▒░░░░░░▒▒
| \__| 00 ██▓▓██ ▒▒▒▒▒▒
\00 00 ██▓▓██
\000000 ██▓▓██
________ __ __ ██▓██
| \ | \ | \
| 00000000__ __ _______ _______ _| 00_ \00 ______ _______ _______
| 00__ | \ | \| \ / \| 00 \ | \ / \ | \ / \
| 00 \ | 00 | 00| 0000000\| 0000000 \000000 | 00| 000000\| 0000000\| 0000000
| 00000 | 00 | 00| 00 | 00| 00 | 00 __ | 00| 00 | 00| 00 | 00 \00 \
| 00 | 00__/ 00| 00 | 00| 00_____ | 00| \| 00| 00__/ 00| 00 | 00 _\000000\
| 00 \00 00| 00 | 00 \00 \ \00 00| 00 \00 00| 00 | 00| 00
\00 \000000 \00 \00 \0000000 \0000 \00 \000000 \00 \00 \0000000
*/
bytes16 private constant HEX_SYMBOLS = "0123456789abcdef";
/**
* Converts a bytes object to a 6 character ASCII `string` hexadecimal representation.
*/
function _toHexString(bytes memory incomingBytes)
internal
pure
returns (string memory)
{
uint24 value = uint24(bytes3(incomingBytes));
bytes memory buffer = new bytes(6);
buffer[5] = HEX_SYMBOLS[value & 0xf];
buffer[4] = HEX_SYMBOLS[(value >> 4) & 0xf];
buffer[3] = HEX_SYMBOLS[(value >> 8) & 0xf];
buffer[2] = HEX_SYMBOLS[(value >> 12) & 0xf];
buffer[1] = HEX_SYMBOLS[(value >> 16) & 0xf];
buffer[0] = HEX_SYMBOLS[(value >> 20) & 0xf];
return string(buffer);
}
/**
* Converts a bytes20 object into a string.
*/
function bytes20ToString(bytes20 _bytes20)
internal
pure
returns (string memory)
{
uint8 i = 0;
while (i < 20 && _bytes20[i] != 0) {
++i;
}
bytes memory bytesArray = new bytes(i);
for (i = 0; i < 20 && _bytes20[i] != 0; ++i) {
bytesArray[i] = _bytes20[i];
}
return string(bytesArray);
}
}设置
{
"compilationTarget": {
"contracts/CitizensOfOverworld.sol": "CitizensOfOverworld"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 669
},
"remappings": [],
"viaIR": true
}ABI
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BadPrice","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"BiggerSupplyPls","type":"error"},{"inputs":[],"name":"DownOnly","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintNotLive","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"SoldOut","type":"error"},{"inputs":[],"name":"TooMany","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_MINT_OWNER","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_MINT_PER_WALLET","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRICE_AFTER_FIRST_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"compressedDataLoaded","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newSupply","type":"uint256"}],"name":"cutSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"flipMintStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"seed","type":"uint256"}],"name":"getDNA","outputs":[{"components":[{"internalType":"uint256","name":"Legendary","type":"uint256"},{"internalType":"uint256","name":"Body","type":"uint256"},{"internalType":"uint256","name":"Pants","type":"uint256"},{"internalType":"uint256","name":"Shirt","type":"uint256"},{"internalType":"uint256","name":"Eyes","type":"uint256"},{"internalType":"uint256","name":"Hat","type":"uint256"},{"internalType":"uint256","name":"Accessory","type":"uint256"},{"internalType":"uint256","name":"Mouth","type":"uint256"},{"internalType":"uint256","name":"Background","type":"uint256"}],"internalType":"struct CitizensOfOverworld.DNA","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"legendaryAnimations","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes[][]","name":"_inputTraits","type":"bytes[][]"},{"internalType":"bytes20[][]","name":"_traitMetadata","type":"bytes20[][]"},{"internalType":"string[6]","name":"_backgrounds","type":"string[6]"},{"internalType":"bytes","name":"_legendaryAnimations","type":"bytes"},{"internalType":"bytes","name":"_legendaryRects","type":"bytes"},{"internalType":"bytes","name":"_colorHexList","type":"bytes"},{"internalType":"string[33]","name":"_lookup","type":"string[33]"},{"internalType":"uint256","name":"_MAX_SUPPLY","type":"uint256"}],"name":"loadCompressedData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintLive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"mintedInfo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"customSeeds","type":"uint256[]"}],"name":"ownerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"nonpayable","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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","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":"tokenIdToMetadata","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenIdToSVG","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenIdToSeed","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":"tokensMintedByOwner","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[],"name":"withdrawAll","outputs":[],"stateMutability":"payable","type":"function"}]