ERC-721
Overview
Max Total Supply
1,000 RedPill
Holders
371
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
6 RedPillLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
RedPill
Compiler Version
v0.8.4+commit.c7e474f2
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import '@openzeppelin/contracts/access/Ownable.sol'; import '@openzeppelin/contracts/utils/cryptography/ECDSA.sol'; import 'erc721a/contracts/ERC721A.sol'; import '@openzeppelin/contracts/security/ReentrancyGuard.sol'; import '@openzeppelin/contracts/utils/cryptography/MerkleProof.sol'; import '@openzeppelin/contracts/utils/math/SafeMath.sol'; interface IMainContract { function evolveFromPill(uint256 _tokenId) external; function getOwnerOfMain(uint256 _tokenId) external returns (address owner); } contract RedPill is Ownable, ERC721A, ReentrancyGuard { IMainContract mainContract; using ECDSA for bytes32; using Strings for uint256; using SafeMath for uint256; bytes32 public merkleRoot; uint256 public maxSupply = 1000; bool public paused = true; bool public pausedBurn = true; string private baseMetadataUri; mapping(address => uint) private mintedPerAddress; constructor() ERC721A('RedPill', 'RedPill') {} function mintWhitelist(bytes32[] calldata _merkleProof) public { require(!paused, "sale not active"); require(totalSupply() + 1 <= maxSupply, 'Max supply exceeded!'); bytes32 leaf = keccak256(abi.encodePacked(_msgSender())); require(MerkleProof.verify(_merkleProof, merkleRoot, leaf), 'Invalid proof!'); require(mintedPerAddress[_msgSender()] == 0, "max mints"); mintedPerAddress[_msgSender()] += 1; _safeMint(_msgSender(), 1); } function eatPill(uint256 _pillTokenId, uint256 _charTokenId) public { require(!pausedBurn, "burn not active"); require(_exists(_pillTokenId), 'Token does not exist'); require(ownerOf(_pillTokenId) == _msgSender(), 'not pill owner'); require(mainContract.getOwnerOfMain(_charTokenId) == _msgSender(), 'not main owner'); _burn(_pillTokenId); mainContract.evolveFromPill(_charTokenId); } function setMainContract(address _contract) public onlyOwner { mainContract = IMainContract(_contract); } function setBaseMetadataUri(string memory a) public onlyOwner { baseMetadataUri = a; } function setPaused(bool _state) public onlyOwner { paused = _state; } function setPausedBurn(bool _state) public onlyOwner { pausedBurn = _state; } function withdraw() public onlyOwner nonReentrant { (bool os, ) = payable(owner()).call{value: address(this).balance}(''); require(os); } function _baseURI() internal view override returns (string memory) { return baseMetadataUri; } function setMerkleRoot(bytes32 _merkleRoot) public onlyOwner { merkleRoot = _merkleRoot; } function teamMint(uint256 _teamAmount) external onlyOwner { require(totalSupply() + _teamAmount <= maxSupply, 'Max supply exceeded!'); _safeMint(_msgSender(), _teamAmount); } }
// 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) (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 v4.8.0) (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 // 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 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public 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 v4.8.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../Strings.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV // Deprecated in v4.8 } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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 // 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/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 // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (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); } } }
{ "optimizer": { "enabled": false, "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":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","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":"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":[{"internalType":"uint256","name":"_pillTokenId","type":"uint256"},{"internalType":"uint256","name":"_charTokenId","type":"uint256"}],"name":"eatPill","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":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"mintWhitelist","outputs":[],"stateMutability":"nonpayable","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":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pausedBurn","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":"a","type":"string"}],"name":"setBaseMetadataUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_contract","type":"address"}],"name":"setMainContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setPausedBurn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_teamAmount","type":"uint256"}],"name":"teamMint","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":[],"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.