Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
Overview
Max Total Supply
84 Alfheim
Holders
82
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 AlfheimLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
Alfheim
Compiler Version
v0.8.13+commit.abaa5c0e
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
//SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import "@openzeppelin/contracts/access/Ownable.sol"; import "./ERC721A.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; import "./IERC721A.sol"; import "./src/DefaultOperatorFilterer.sol"; contract Alfheim is ERC721A, Ownable, ReentrancyGuard, DefaultOperatorFilterer { using Strings for uint256; using SafeMath for uint256; error MaxSupplyExceeded(); error NotAllowlisted(); error MaxPerWalletExceeded(); error InsufficientValue(); error PreSaleNotActive(); error PublicSaleNotActive(); error NoContracts(); error NotAllowedToClaim(); error InvalidOperation(); error NothingToClaim(); error NotAllowed(); uint256 public presaleCost = 0.077 ether; uint256 public publicCost = 0.088 ether; uint256 public maxSupplyForPresale = 800; uint256 public amountOwedToDevOne = 0.75 ether; uint16 public maxSupply = 1000; uint8 public maxMintAmount = 1; string private _baseTokenURI = ""; bool public presaleActive; bool public waitlistSaleActive; bool public publicSaleActive; bytes32 private presaleMerkleRoot; bytes32 private waitlistMerkleRoot; constructor() ERC721A("Alfheim", "Alfheim") { _mint(0x1Af83e32A6d96E1FE05923b844264cC45255D75d, 1); _mint(msg.sender, 1); } modifier callerIsUser() { if (msg.sender != tx.origin) revert NoContracts(); _; } function setMaxSupplyForPresale(uint256 _maxSupplyForPresale) external onlyOwner { maxSupplyForPresale = _maxSupplyForPresale; } function setPresaleMerkleRoot(bytes32 _presaleMerkleRoot) external onlyOwner { presaleMerkleRoot = _presaleMerkleRoot; } function setWaitlistMerkleRoot(bytes32 _waitlistMerkleRoot) external onlyOwner { waitlistMerkleRoot = _waitlistMerkleRoot; } function setPreSaleCost(uint256 _newPreSaleCost) external onlyOwner { presaleCost = _newPreSaleCost; } function setPublicSaleCost(uint256 _newPublicCost) external onlyOwner { publicCost = _newPublicCost; } function presaleMint(uint8 _amount, bytes32[] calldata _proof) external payable callerIsUser { if (!presaleActive) revert PreSaleNotActive(); if (totalSupply() + _amount > maxSupplyForPresale) revert MaxSupplyExceeded(); if (totalSupply() + _amount > maxSupply) revert MaxSupplyExceeded(); if ( !MerkleProof.verify( _proof, presaleMerkleRoot, keccak256(abi.encodePacked(msg.sender)) ) ) revert NotAllowlisted(); if (_numberMinted(msg.sender) + _amount > maxMintAmount) revert MaxPerWalletExceeded(); if (msg.value != presaleCost * _amount) revert InsufficientValue(); _mint(msg.sender, _amount); } function waitlistMint(uint8 _amount, bytes32[] calldata _proof) external payable callerIsUser { if (!waitlistSaleActive) revert PublicSaleNotActive(); if (totalSupply() + _amount > maxSupply) revert MaxSupplyExceeded(); if ( !MerkleProof.verify( _proof, waitlistMerkleRoot, keccak256(abi.encodePacked(msg.sender)) ) ) revert NotAllowlisted(); if (_numberMinted(msg.sender) + _amount > maxMintAmount) revert MaxPerWalletExceeded(); if (msg.value != publicCost * _amount) revert InsufficientValue(); _mint(msg.sender, _amount); } function mint(uint8 _amount) external payable callerIsUser { if (!publicSaleActive) revert PublicSaleNotActive(); if (totalSupply() + _amount > maxSupply) revert MaxSupplyExceeded(); if (_numberMinted(msg.sender) + _amount > maxMintAmount) revert MaxPerWalletExceeded(); if (msg.value != publicCost * _amount) revert InsufficientValue(); _mint(msg.sender, _amount); } function airDrop(address[] calldata targets) external onlyOwner { if (targets.length + totalSupply() > maxSupply) revert MaxSupplyExceeded(); for (uint256 i = 0; i < targets.length; i++) { _mint(targets[i], 1); } } function isValidWaitlist(address _user, bytes32[] calldata _proof) external view returns (bool) { return MerkleProof.verify( _proof, waitlistMerkleRoot, keccak256(abi.encodePacked(_user)) ); } function isValid(address _user, bytes32[] calldata _proof) external view returns (bool) { return MerkleProof.verify( _proof, presaleMerkleRoot, keccak256(abi.encodePacked(_user)) ); } function setMaxMintAmount(uint8 _maxMintAmount) external onlyOwner { maxMintAmount = _maxMintAmount; } function _baseURI() internal view virtual override returns (string memory) { return _baseTokenURI; } function setBaseURI(string calldata baseURI) external onlyOwner { _baseTokenURI = baseURI; } function togglePublicSale() external onlyOwner { publicSaleActive = !publicSaleActive; } function togglePresale() external onlyOwner { presaleActive = !presaleActive; } function toggleWaitlistSale() external onlyOwner { waitlistSaleActive = !waitlistSaleActive; } function transferFrom( address from, address to, uint256 tokenId ) public payable override onlyAllowedOperator(from) { super.transferFrom(from, to, tokenId); } function safeTransferFrom( address from, address to, uint256 tokenId ) public payable override onlyAllowedOperator(from) { super.safeTransferFrom(from, to, tokenId); } function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public payable override onlyAllowedOperator(from) { super.safeTransferFrom(from, to, tokenId, data); } function withdraw() external nonReentrant { if ((msg.sender != owner()) && (msg.sender != 0x6605AC1F5bC8c41a36d2c0710c5C7Fc35658418e)) revert NotAllowed(); uint256 balance = address(this).balance; if (amountOwedToDevOne != 0) { if (balance < amountOwedToDevOne) { payable(0x51aE040f59F2b8E5ea8bc84f8D282adB67571671).transfer( balance ); amountOwedToDevOne = amountOwedToDevOne - balance; } else { payable(0x51aE040f59F2b8E5ea8bc84f8D282adB67571671).transfer( amountOwedToDevOne ); amountOwedToDevOne = 0; } } balance = address(this).balance; payable(0x6AD06Af8743f7DaDEc2C8e1474b472D7665F6676).transfer(balance); } function emergencyWithdraw() external onlyOwner nonReentrant { uint256 balance = address(this).balance; payable(msg.sender).transfer(balance); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {OperatorFilterer} from "./OperatorFilterer.sol"; abstract contract DefaultOperatorFilterer is OperatorFilterer { address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6); constructor() OperatorFilterer(DEFAULT_SUBSCRIPTION, true) {} }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer( address indexed from, address indexed to, uint256 indexed tokenId ); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval( address indexed owner, address indexed approved, uint256 indexed tokenId ); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll( address indexed owner, address indexed operator, bool approved ); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external payable; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external payable; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer( uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to ); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The tree and the proofs can be generated using our * https://github.com/OpenZeppelin/merkle-tree[JavaScript library]. * You will find a quickstart guide in the readme. * * 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. * OpenZeppelin's JavaScript library generates merkle trees that are safe * against this attack out of the box. */ 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 simultaneously proven to be a part of a merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _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} * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _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 sibling nodes in `proof`. The reconstruction * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false * respectively. * * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer). * * _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}. * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _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 // OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol) pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (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() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be _NOT_ENTERED require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; } function _nonReentrantAfter() private { // 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 v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _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) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @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] = _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 // ERC721A Contracts v4.2.3 // 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 { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // 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 1; } /** * @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 payable 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 { _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 payable 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 payable virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public payable virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @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`. ) // The `iszero(eq(,))` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. // The compiler will optimize the `iszero` away for performance. 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 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } }
// 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 pragma solidity ^0.8.13; import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol"; abstract contract OperatorFilterer { error OperatorNotAllowed(address operator); IOperatorFilterRegistry constant operatorFilterRegistry = IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E); constructor(address subscriptionOrRegistrantToCopy, bool subscribe) { // If an inheriting token contract is deployed to a network without the registry deployed, the modifier // will not revert, but the contract will need to be registered with the registry once it is deployed in // order for the modifier to filter addresses. if (address(operatorFilterRegistry).code.length > 0) { if (subscribe) { operatorFilterRegistry.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy); } else { if (subscriptionOrRegistrantToCopy != address(0)) { operatorFilterRegistry.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy); } else { operatorFilterRegistry.register(address(this)); } } } } modifier onlyAllowedOperator(address from) virtual { // Check registry code length to facilitate testing in environments without a deployed registry. if (address(operatorFilterRegistry).code.length > 0) { // Allow spending tokens from addresses with balance // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred // from an EOA. if (from == msg.sender) { _; return; } if ( !( operatorFilterRegistry.isOperatorAllowed(address(this), msg.sender) && operatorFilterRegistry.isOperatorAllowed(address(this), from) ) ) { revert OperatorNotAllowed(msg.sender); } } _; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } }
// 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 pragma solidity ^0.8.13; interface IOperatorFilterRegistry { function isOperatorAllowed(address registrant, address operator) external view returns (bool); function register(address registrant) external; function registerAndSubscribe(address registrant, address subscription) external; function registerAndCopyEntries(address registrant, address registrantToCopy) external; function updateOperator(address registrant, address operator, bool filtered) external; function updateOperators(address registrant, address[] calldata operators, bool filtered) external; function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external; function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external; function subscribe(address registrant, address registrantToSubscribe) external; function unsubscribe(address registrant, bool copyExistingEntries) external; function subscriptionOf(address addr) external returns (address registrant); function subscribers(address registrant) external returns (address[] memory); function subscriberAt(address registrant, uint256 index) external returns (address); function copyEntriesOf(address registrant, address registrantToCopy) external; function isOperatorFiltered(address registrant, address operator) external returns (bool); function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool); function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool); function filteredOperators(address addr) external returns (address[] memory); function filteredCodeHashes(address addr) external returns (bytes32[] memory); function filteredOperatorAt(address registrant, uint256 index) external returns (address); function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32); function isRegistered(address addr) external returns (bool); function codeHashOf(address addr) external returns (bytes32); }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InsufficientValue","type":"error"},{"inputs":[],"name":"InvalidOperation","type":"error"},{"inputs":[],"name":"MaxPerWalletExceeded","type":"error"},{"inputs":[],"name":"MaxSupplyExceeded","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NoContracts","type":"error"},{"inputs":[],"name":"NotAllowed","type":"error"},{"inputs":[],"name":"NotAllowedToClaim","type":"error"},{"inputs":[],"name":"NotAllowlisted","type":"error"},{"inputs":[],"name":"NothingToClaim","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"PreSaleNotActive","type":"error"},{"inputs":[],"name":"PublicSaleNotActive","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address[]","name":"targets","type":"address[]"}],"name":"airDrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"amountOwedToDevOne","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"bytes32[]","name":"_proof","type":"bytes32[]"}],"name":"isValid","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"bytes32[]","name":"_proof","type":"bytes32[]"}],"name":"isValidWaitlist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMintAmount","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupplyForPresale","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"_amount","type":"uint8"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"presaleActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"presaleCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"_amount","type":"uint8"},{"internalType":"bytes32[]","name":"_proof","type":"bytes32[]"}],"name":"presaleMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"publicCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"publicSaleActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"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":"uint8","name":"_maxMintAmount","type":"uint8"}],"name":"setMaxMintAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxSupplyForPresale","type":"uint256"}],"name":"setMaxSupplyForPresale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newPreSaleCost","type":"uint256"}],"name":"setPreSaleCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_presaleMerkleRoot","type":"bytes32"}],"name":"setPresaleMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newPublicCost","type":"uint256"}],"name":"setPublicSaleCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_waitlistMerkleRoot","type":"bytes32"}],"name":"setWaitlistMerkleRoot","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":[],"name":"togglePresale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"togglePublicSale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleWaitlistSale","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":[],"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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"_amount","type":"uint8"},{"internalType":"bytes32[]","name":"_proof","type":"bytes32[]"}],"name":"waitlistMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"waitlistSaleActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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.