Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
NFT
Overview
Max Total Supply
3,333 LD
Holders
1,253
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
5 LDLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
LilDuckies
Compiler Version
v0.8.13+commit.abaa5c0e
Optimization Enabled:
Yes with 800 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import "./extensions/ERC721AQueryable.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol"; import "@openzeppelin/contracts/token/common/ERC2981.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; error AllowListAdoptionNotEnabled(); error AllowlistRequired(); error CannotRoastUnAdoptedDucky(); error DuckQuacktoryNotOpenYet(); error DuckRoastingIsClosed(); error ExceedsAllowedAdoptionSize(); error ExceedsMaxPerTransaction(); error ExceedsMaxPerWallet(); error IncorrectPaymentAmount(); error InvalidMintSize(); error AdoptionNotEnabled(); error NotAllowlisted(); error NonExistentToken(); error TooLittleEth(); error WithdrawFailed(); abstract contract DuckQuacktory { function roastDucky(address to, uint256 boxId) public virtual returns (uint256); } contract LilDuckies is ERC721AQueryable, ReentrancyGuard, ERC2981, Ownable { using ECDSA for bytes32; uint public MAX_SUPPLY = 3333; uint public MAX_PER_TX = 5; uint public MAX_FREE_PER_WALLET = 1; uint public MAX_PER_WALLET = 5; uint public COST_AFTER_FREE = 0.0033 ether; bytes32 public allowListRoot; bool public adoptionEnabled = false; bool public allowListAdoptionEnabled = false; address private duckContract; bool public canRoastDucky; string private _baseTokenURI; constructor() ERC721A("Lil Duckies", "LD") {} modifier callerIsUser() { require(tx.origin == msg.sender, "The caller is another contract"); _; } function allowListAdopt( bytes32[] calldata proof, uint qty) external payable callerIsUser nonReentrant { if (!allowListAdoptionEnabled) revert AllowListAdoptionNotEnabled(); if (_totalMinted() + qty + 1 > MAX_SUPPLY) revert ExceedsAllowedAdoptionSize(); if (_numberMinted(msg.sender) + qty + 1 > MAX_PER_WALLET) revert ExceedsMaxPerWallet(); bytes32 leaf = keccak256(abi.encodePacked(msg.sender)); if (!MerkleProof.verify( proof, allowListRoot, leaf) ) revert NotAllowlisted(); uint price = getPrice(qty); if (msg.value != price * qty) revert IncorrectPaymentAmount(); _mint(msg.sender, qty); _refundOverPayment(price); } function adopt(uint qty) external payable callerIsUser nonReentrant { uint price = getPrice(qty); if (!adoptionEnabled) revert AdoptionNotEnabled(); if (qty + 1 > MAX_PER_TX) revert ExceedsMaxPerTransaction(); if (_numberMinted(msg.sender) + qty + 1 > MAX_PER_WALLET) revert ExceedsMaxPerWallet(); if (_totalMinted() + qty + 1 > MAX_SUPPLY) revert ExceedsAllowedAdoptionSize(); _mint(msg.sender, qty); _refundOverPayment(price); } function getPrice(uint qty) public view returns (uint) { uint numMinted = _numberMinted(msg.sender); uint free = numMinted < MAX_FREE_PER_WALLET ? MAX_FREE_PER_WALLET - numMinted : 0; if (qty >= free) { return (COST_AFTER_FREE) * (qty - free); } return 0; } function _refundOverPayment(uint256 amount) internal { if (msg.value < amount) revert TooLittleEth(); if (msg.value > amount) { payable(msg.sender).transfer(msg.value - amount); } } function teamAdopt(uint256 quantity, address to) external onlyOwner { require( totalSupply() + quantity <= MAX_SUPPLY, "would exceed max supply" ); _mint(to, quantity); } function roastDucky(uint256 duckyId) public nonReentrant() returns (uint256) { if (!canRoastDucky) { if (msg.sender != owner()) revert DuckRoastingIsClosed(); } address to = ownerOf(duckyId); if (to != msg.sender) { if (msg.sender != owner()) revert CannotRoastUnAdoptedDucky(); } DuckQuacktory quacktory = DuckQuacktory(duckContract); _burn(duckyId, true); uint256 duckTokenId = quacktory.roastDucky(to, duckyId); return duckTokenId; } function duckiesRoasted(address addr) external view returns (uint256) { return _numberBurned(addr); } function totalDuckiesRoasted() external view returns (uint256) { return _totalBurned(); } function _baseURI() internal view virtual override returns (string memory) { return _baseTokenURI; } function setDefaultRoyalty(address receiver, uint96 feeNumerator) external onlyOwner { _setDefaultRoyalty(receiver, feeNumerator); } function deleteDefaultRoyalty() external onlyOwner { _deleteDefaultRoyalty(); } function toggleCanRoastDucky() external onlyOwner { if (duckContract == address(0)) revert DuckQuacktoryNotOpenYet(); canRoastDucky = !canRoastDucky; } function setBaseURI(string calldata baseURI_) external onlyOwner { _baseTokenURI = baseURI_; } function setDuckContract(address contractAddress_) external onlyOwner { duckContract = contractAddress_; } function withdraw() external onlyOwner { (bool success, ) = msg.sender.call{value: address(this).balance}(""); if (!success) revert WithdrawFailed(); } function _startTokenId() internal view virtual override returns (uint256) { return 1; } function setMaxPerTx(uint256 MAX_PER_TX_) external onlyOwner { MAX_PER_TX = MAX_PER_TX_; } function setMaxPerWallet(uint256 MAX_PER_WALLET_) external onlyOwner { MAX_PER_WALLET = MAX_PER_WALLET_; } function setMaxSupply(uint256 maxSupply_) public onlyOwner { MAX_SUPPLY = maxSupply_; } function setAllowListRoot(bytes32 allowListRoot_) external onlyOwner{ allowListRoot = allowListRoot_; } function numberAdopted(address owner) public view returns (uint256) { return _numberMinted(owner); } function toggleAllowListAdoptionEnabled() external onlyOwner { allowListAdoptionEnabled = !allowListAdoptionEnabled; } function toggleAdoptionEnabled() external onlyOwner { adoptionEnabled = !adoptionEnabled; } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721A, ERC2981, IERC721A) returns (bool) { // Supports the following `interfaceId`s: // - IERC165: 0x01ffc9a7 // - IERC721: 0x80ac58cd // - IERC721Metadata: 0x5b5e139f // - IERC2981: 0x2a55205a return ERC721A.supportsInterface(interfaceId) || ERC2981.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721AQueryable.sol'; import '../ERC721A.sol'; /** * @title ERC721AQueryable. * * @dev ERC721A subclass with convenience query functions. */ abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable { /** * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting. * * If the `tokenId` is out of bounds: * * - `addr = address(0)` * - `startTimestamp = 0` * - `burned = false` * - `extraData = 0` * * If the `tokenId` is burned: * * - `addr = <Address of owner before token was burned>` * - `startTimestamp = <Timestamp when token was burned>` * - `burned = true` * - `extraData = <Extra data when token was burned>` * * Otherwise: * * - `addr = <Address of owner>` * - `startTimestamp = <Timestamp of start of ownership>` * - `burned = false` * - `extraData = <Extra data at start of ownership>` */ function explicitOwnershipOf(uint256 tokenId) public view virtual override returns (TokenOwnership memory) { TokenOwnership memory ownership; if (tokenId < _startTokenId() || tokenId >= _nextTokenId()) { return ownership; } ownership = _ownershipAt(tokenId); if (ownership.burned) { return ownership; } return _ownershipOf(tokenId); } /** * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order. * See {ERC721AQueryable-explicitOwnershipOf} */ function explicitOwnershipsOf(uint256[] calldata tokenIds) external view virtual override returns (TokenOwnership[] memory) { unchecked { uint256 tokenIdsLength = tokenIds.length; TokenOwnership[] memory ownerships = new TokenOwnership[](tokenIdsLength); for (uint256 i; i != tokenIdsLength; ++i) { ownerships[i] = explicitOwnershipOf(tokenIds[i]); } return ownerships; } } /** * @dev Returns an array of token IDs owned by `owner`, * in the range [`start`, `stop`) * (i.e. `start <= tokenId < stop`). * * This function allows for tokens to be queried if the collection * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}. * * Requirements: * * - `start < stop` */ function tokensOfOwnerIn( address owner, uint256 start, uint256 stop ) external view virtual override returns (uint256[] memory) { unchecked { if (start >= stop) revert InvalidQueryRange(); uint256 tokenIdsIdx; uint256 stopLimit = _nextTokenId(); // Set `start = max(start, _startTokenId())`. if (start < _startTokenId()) { start = _startTokenId(); } // Set `stop = min(stop, stopLimit)`. if (stop > stopLimit) { stop = stopLimit; } uint256 tokenIdsMaxLength = balanceOf(owner); // Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`, // to cater for cases where `balanceOf(owner)` is too big. if (start < stop) { uint256 rangeLength = stop - start; if (rangeLength < tokenIdsMaxLength) { tokenIdsMaxLength = rangeLength; } } else { tokenIdsMaxLength = 0; } uint256[] memory tokenIds = new uint256[](tokenIdsMaxLength); if (tokenIdsMaxLength == 0) { return tokenIds; } // We need to call `explicitOwnershipOf(start)`, // because the slot at `start` may not be initialized. TokenOwnership memory ownership = explicitOwnershipOf(start); address currOwnershipAddr; // If the starting slot exists (i.e. not burned), initialize `currOwnershipAddr`. // `ownership.address` will not be zero, as `start` is clamped to the valid token ID range. if (!ownership.burned) { currOwnershipAddr = ownership.addr; } for (uint256 i = start; i != stop && tokenIdsIdx != tokenIdsMaxLength; ++i) { ownership = _ownershipAt(i); if (ownership.burned) { continue; } if (ownership.addr != address(0)) { currOwnershipAddr = ownership.addr; } if (currOwnershipAddr == owner) { tokenIds[tokenIdsIdx++] = i; } } // Downsize the array to fit. assembly { mstore(tokenIds, tokenIdsIdx) } return tokenIds; } } /** * @dev Returns an array of token IDs owned by `owner`. * * This function scans the ownership mapping and is O(`totalSupply`) in complexity. * It is meant to be called off-chain. * * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into * multiple smaller scans if the collection is large enough to cause * an out-of-gas error (10K collections should be fine). */ function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) { unchecked { uint256 tokenIdsIdx; address currOwnershipAddr; uint256 tokenIdsLength = balanceOf(owner); uint256[] memory tokenIds = new uint256[](tokenIdsLength); TokenOwnership memory ownership; for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) { ownership = _ownershipAt(i); if (ownership.burned) { continue; } if (ownership.addr != address(0)) { currOwnershipAddr = ownership.addr; } if (currOwnershipAddr == owner) { tokenIds[tokenIdsIdx++] = i; } } return tokenIds; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../Strings.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } else if (error == RecoverError.InvalidSignatureV) { revert("ECDSA: invalid signature 'v' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { // Check the signature length // - case 65: r,s,v signature (standard) // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._ if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else if (signature.length == 64) { bytes32 r; bytes32 vs; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) vs := mload(add(signature, 0x40)) } return tryRecover(hash, r, vs); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } if (v != 27 && v != 28) { return (address(0), RecoverError.InvalidSignatureV); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The proofs can be generated using the JavaScript library * https://github.com/miguelmota/merkletreejs[merkletreejs]. * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled. * * See `test/utils/cryptography/MerkleProof.test.js` for some examples. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify( bytes32[] memory proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProof(proof, leaf) == root; } /** * @dev Calldata version of {verify} * * _Available since v4.7._ */ function verifyCalldata( bytes32[] calldata proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProofCalldata(proof, leaf) == root; } /** * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt * hash matches the root of the tree. When processing the proof, the pairs * of leafs & pre-images are assumed to be sorted. * * _Available since v4.4._ */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Calldata version of {processProof} * * _Available since v4.7._ */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * _Available since v4.7._ */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * _Available since v4.7._ */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`, * consuming from one or the other at each step according to the instructions given by * `proofFlags`. * * _Available since v4.7._ */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof} * * _Available since v4.7._ */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; import '../IERC721A.sol'; /** * @dev Interface of ERC721AQueryable. */ interface IERC721AQueryable is IERC721A { /** * Invalid query range (`start` >= `stop`). */ error InvalidQueryRange(); /** * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting. * * If the `tokenId` is out of bounds: * * - `addr = address(0)` * - `startTimestamp = 0` * - `burned = false` * - `extraData = 0` * * If the `tokenId` is burned: * * - `addr = <Address of owner before token was burned>` * - `startTimestamp = <Timestamp when token was burned>` * - `burned = true` * - `extraData = <Extra data when token was burned>` * * Otherwise: * * - `addr = <Address of owner>` * - `startTimestamp = <Timestamp of start of ownership>` * - `burned = false` * - `extraData = <Extra data at start of ownership>` */ function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory); /** * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order. * See {ERC721AQueryable-explicitOwnershipOf} */ function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory); /** * @dev Returns an array of token IDs owned by `owner`, * in the range [`start`, `stop`) * (i.e. `start <= tokenId < stop`). * * This function allows for tokens to be queried if the collection * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}. * * Requirements: * * - `start < stop` */ function tokensOfOwnerIn( address owner, uint256 start, uint256 stop ) external view returns (uint256[] memory); /** * @dev Returns an array of token IDs owned by `owner`. * * This function scans the ownership mapping and is O(`totalSupply`) in complexity. * It is meant to be called off-chain. * * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into * multiple smaller scans if the collection is large enough to cause * an out-of-gas error (10K collections should be fine). */ function tokensOfOwner(address owner) external view returns (uint256[] memory); }
// 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].value`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public 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. // The duplicated `log4` removes an extra check and reduces stack juggling. // The assembly, together with the surrounding Solidity code, have been // delicately arranged to nudge the compiler into producing optimized opcodes. 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 _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(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 aligned. // 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) } } }
// 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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 (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
{ "optimizer": { "enabled": true, "runs": 800 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AdoptionNotEnabled","type":"error"},{"inputs":[],"name":"AllowListAdoptionNotEnabled","type":"error"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"CannotRoastUnAdoptedDucky","type":"error"},{"inputs":[],"name":"DuckQuacktoryNotOpenYet","type":"error"},{"inputs":[],"name":"DuckRoastingIsClosed","type":"error"},{"inputs":[],"name":"ExceedsAllowedAdoptionSize","type":"error"},{"inputs":[],"name":"ExceedsMaxPerTransaction","type":"error"},{"inputs":[],"name":"ExceedsMaxPerWallet","type":"error"},{"inputs":[],"name":"IncorrectPaymentAmount","type":"error"},{"inputs":[],"name":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NotAllowlisted","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TooLittleEth","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"},{"inputs":[],"name":"WithdrawFailed","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":"COST_AFTER_FREE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_FREE_PER_WALLET","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_PER_TX","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_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":[{"internalType":"uint256","name":"qty","type":"uint256"}],"name":"adopt","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"adoptionEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"},{"internalType":"uint256","name":"qty","type":"uint256"}],"name":"allowListAdopt","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"allowListAdoptionEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allowListRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"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":"canRoastDucky","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"deleteDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"duckiesRoasted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","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":"qty","type":"uint256"}],"name":"getPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"numberAdopted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","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":"uint256","name":"duckyId","type":"uint256"}],"name":"roastDucky","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"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":"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":"bytes32","name":"allowListRoot_","type":"bytes32"}],"name":"setAllowListRoot","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":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress_","type":"address"}],"name":"setDuckContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"MAX_PER_TX_","type":"uint256"}],"name":"setMaxPerTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"MAX_PER_WALLET_","type":"uint256"}],"name":"setMaxPerWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxSupply_","type":"uint256"}],"name":"setMaxSupply","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":"quantity","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"teamAdopt","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleAdoptionEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleAllowListAdoptionEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleCanRoastDucky","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"stop","type":"uint256"}],"name":"tokensOfOwnerIn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalDuckiesRoasted","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":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.