Feature Tip: Add private address tag to any address under My Name Tag !
Overview
ETH Balance
0 ETH
Eth Value
$0.00More Info
Private Name Tags
ContractCreator
TokenTracker
Latest 19 from a total of 19 transactions
Transaction Hash |
Method
|
Block
|
From
|
To
|
|||||
---|---|---|---|---|---|---|---|---|---|
Set Approval For... | 19591563 | 146 days ago | IN | 0 ETH | 0.00107164 | ||||
Set Approval For... | 15878325 | 667 days ago | IN | 0 ETH | 0.00051692 | ||||
Safe Transfer Fr... | 15878308 | 667 days ago | IN | 0 ETH | 0.00064487 | ||||
Safe Transfer Fr... | 15658174 | 697 days ago | IN | 0 ETH | 0.0004384 | ||||
Set Approval For... | 15657914 | 698 days ago | IN | 0 ETH | 0.00021925 | ||||
Set Approval For... | 15657913 | 698 days ago | IN | 0 ETH | 0.00022 | ||||
Safe Transfer Fr... | 15604352 | 705 days ago | IN | 0 ETH | 0.00056878 | ||||
Transfer From | 15207814 | 767 days ago | IN | 0 ETH | 0.00042974 | ||||
Transfer From | 15053222 | 791 days ago | IN | 0 ETH | 0.00475607 | ||||
Transfer From | 15040312 | 793 days ago | IN | 0 ETH | 0.00221497 | ||||
Set Approval For... | 15003898 | 800 days ago | IN | 0 ETH | 0.00307275 | ||||
Set Approval For... | 14712171 | 848 days ago | IN | 0 ETH | 0.00296552 | ||||
Transfer From | 14680017 | 853 days ago | IN | 0 ETH | 0.00835753 | ||||
Transfer From | 14679647 | 853 days ago | IN | 0 ETH | 0.01120704 | ||||
Transfer From | 14679572 | 853 days ago | IN | 0 ETH | 0.0098338 | ||||
Set Approval For... | 14676472 | 854 days ago | IN | 0 ETH | 0.00706802 | ||||
Transfer From | 14676197 | 854 days ago | IN | 0 ETH | 0.00916385 | ||||
Dev Mint | 14676118 | 854 days ago | IN | 0 ETH | 0.01304678 | ||||
0x60806040 | 14676106 | 854 days ago | IN | 0 ETH | 0.11447356 |
View more zero value Internal Transactions in Advanced View mode
Advanced mode:
Loading...
Loading
Contract Name:
CVFDD
Compiler Version
v0.8.12+commit.f00d7308
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.12; /* @title: Chris Vance: First Digital Drop @artist: Chris Vance @ https://chrisvanceart.com/ @company: NiftyFusions @ http://niftyfusions.com/ @dev: Mr.Wizard @ https://twitter.com/mr_wizar6 ▄▄▄▄╖╖▄▄▄▄▄ ▄═╜╙└ └╙╙╗▄▄ ▄╤▀ └▀╗▄ ═╙ ▀▄ ┌▀ ▀▄ ═ █ ╜ █ ╧ █ ╧ ▐▌ ▐ █ ─ ▄ ▄▄██████▓ ┬═┌▄▄▓█████▓▄ ╔ ║▄ ▐ ╓▀▄███████████ ┘▄█████████████ ▐▌ ▐ ▄╩▄█████████████ ╓███████████████▌ ▐═ ╞ ╒╜▐██████████████╒ ┌█████████████████▐ █ ▐ █ ███████████████ │╫█████████████████ ╒ █ ▄ ╛ ███████████████ └█████████████████▌═ ╒▌ ╞╓ ███████████████┌ ██████████████████ └█ ╦ ▄ ▀████▌████████▌▐ ▐║██████╗█▓█▌█████▌ ╓▄╩ ▄║▄ █████████████▌▐ ▄ ╚▐██████▀█████████ ╔╫▀ ▄└┌███████▀▀████░█ ╒█▄ ░██████▀▀█▀████▓ ┌░▄╩ ▀▓╙████▄▄▄████▀█ ┌███▄ ▒██████▌╖▄████▄ ╔╓█ ╙▄ ▀████████│█─ ╫████ ▌▀█████████▀╛ ╚╫╜ ▓ ▀▀▀█▀██▀─ └▄████▌ └ ▀██████▌▀─╕▄╩ █▄█▓ ▄ ██ ███ ─╜ ╙╙ ▒█ ─ └ ▄▓█▀▌ ═╖▄▄▄▄▄▄▄▄▄▄▄▄▄▄╗╗╗╗╜ └╙ └└ ─╙╙╙╙╙▀└╙╩ ─╩└└ */ import "erc721a/contracts/ERC721A.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol"; contract CVFDD is ERC721A, Ownable, ReentrancyGuard { using Address for address; // ===== Variables ===== string public baseTokenURI = "https://niftyfusions.mypinata.cloud/ipfs/QmZ65eEwhe8zHoTbF3ERBVrr2wD2WHZAJFrhn4Bqbxcf7i/"; uint256 public collectionSize = 96; address public recipient = 0xb16eCb727B03c1E10546d8E3AD5B0e669120936d; // ===== Constructor ===== constructor() ERC721A("Chris Vance: First Digital Drop", "CVFDD") {} // ===== Reserve mint ===== function devMint(uint256 amount) external onlyOwner nonReentrant { require((totalSupply() + amount) <= collectionSize, "Max out!"); _safeMint(recipient, amount); } // ===== Setter ===== function setBaseTokenURI(string memory _baseTokenURI) external onlyOwner nonReentrant { baseTokenURI = _baseTokenURI; } // ===== View ===== function tokenURI(uint256 tokenId) public view override(ERC721A) returns (string memory) { return string( abi.encodePacked( baseTokenURI, Strings.toString(tokenId), ".json" ) ); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Burnable.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "../../../utils/Context.sol"; /** * @title ERC721 Burnable Token * @dev ERC721 Token that can be irreversibly burned (destroyed). */ abstract contract ERC721Burnable is Context, ERC721 { /** * @dev Burns `tokenId`. See {ERC721-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) public virtual { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved"); _burn(tokenId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // Creator: Chiru Labs pragma solidity ^0.8.4; import '@openzeppelin/contracts/token/ERC721/IERC721.sol'; import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol'; import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol'; import '@openzeppelin/contracts/utils/Address.sol'; import '@openzeppelin/contracts/utils/Context.sol'; import '@openzeppelin/contracts/utils/Strings.sol'; import '@openzeppelin/contracts/utils/introspection/ERC165.sol'; error ApprovalCallerNotOwnerNorApproved(); error ApprovalQueryForNonexistentToken(); error ApproveToCaller(); error ApprovalToCurrentOwner(); error BalanceQueryForZeroAddress(); error MintToZeroAddress(); error MintZeroQuantity(); error OwnerQueryForNonexistentToken(); error TransferCallerNotOwnerNorApproved(); error TransferFromIncorrectOwner(); error TransferToNonERC721ReceiverImplementer(); error TransferToZeroAddress(); error URIQueryForNonexistentToken(); /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension. Built to optimize for lower gas during batch mints. * * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..). * * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Compiler will pack this into a single 256bit word. struct TokenOwnership { // The address of the owner. address addr; // Keeps track of the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; } // Compiler will pack this into a single 256bit word. struct AddressData { // Realistically, 2**64-1 is more than enough. uint64 balance; // Keeps track of mint count with minimal overhead for tokenomics. uint64 numberMinted; // Keeps track of burn count with minimal overhead for tokenomics. uint64 numberBurned; // For miscellaneous variable(s) pertaining to the address // (e.g. number of whitelist mint slots used). // If there are multiple variables, please pack them into a uint64. uint64 aux; } // The tokenId of the next token to be minted. uint256 internal _currentIndex; // The number of tokens burned. uint256 internal _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 _ownershipOf implementation for details. mapping(uint256 => TokenOwnership) internal _ownerships; // Mapping owner address to address data mapping(address => AddressData) private _addressData; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } /** * To change the starting tokenId, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens. */ function totalSupply() public view returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than _currentIndex - _startTokenId() times unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view returns (uint256) { // Counter underflow is impossible as _currentIndex does not decrement, // and it is initialized to _startTokenId() unchecked { return _currentIndex - _startTokenId(); } } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return uint256(_addressData[owner].balance); } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return uint256(_addressData[owner].numberMinted); } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return uint256(_addressData[owner].numberBurned); } /** * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return _addressData[owner].aux; } /** * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal { _addressData[owner].aux = aux; } /** * Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around in the collection over time. */ function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr && curr < _currentIndex) { TokenOwnership memory ownership = _ownerships[curr]; if (!ownership.burned) { if (ownership.addr != address(0)) { return ownership; } // Invariant: // There will always be an ownership that has an address and is not burned // before an ownership that does not have an address and is not burned. // Hence, curr will not underflow. while (true) { curr--; ownership = _ownerships[curr]; if (ownership.addr != address(0)) { return ownership; } } } } } revert OwnerQueryForNonexistentToken(); } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view override returns (address) { return _ownershipOf(tokenId).addr; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public override { address owner = ERC721A.ownerOf(tokenId); if (to == owner) revert ApprovalToCurrentOwner(); if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) { revert ApprovalCallerNotOwnerNorApproved(); } _approve(to, tokenId, owner); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { if (operator == _msgSender()) revert ApproveToCaller(); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { _transfer(from, to, tokenId); if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), */ function _exists(uint256 tokenId) internal view returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && !_ownerships[tokenId].burned; } function _safeMint(address to, uint256 quantity) internal { _safeMint(to, quantity, ''); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * Emits a {Transfer} event. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal { _mint(to, quantity, _data, true); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event. */ function _mint( address to, uint256 quantity, bytes memory _data, bool safe ) internal { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1 // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1 unchecked { _addressData[to].balance += uint64(quantity); _addressData[to].numberMinted += uint64(quantity); _ownerships[startTokenId].addr = to; _ownerships[startTokenId].startTimestamp = uint64(block.timestamp); uint256 updatedIndex = startTokenId; uint256 end = updatedIndex + quantity; if (safe && to.isContract()) { do { emit Transfer(address(0), to, updatedIndex); if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (updatedIndex != end); // Reentrancy protection if (_currentIndex != startTokenId) revert(); } else { do { emit Transfer(address(0), to, updatedIndex++); } while (updatedIndex != end); } _currentIndex = updatedIndex; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) private { TokenOwnership memory prevOwnership = _ownershipOf(tokenId); if (prevOwnership.addr != from) revert TransferFromIncorrectOwner(); bool isApprovedOrOwner = (_msgSender() == from || isApprovedForAll(from, _msgSender()) || getApproved(tokenId) == _msgSender()); if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner _approve(address(0), tokenId, from); // 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 { _addressData[from].balance -= 1; _addressData[to].balance += 1; TokenOwnership storage currSlot = _ownerships[tokenId]; currSlot.addr = to; currSlot.startTimestamp = uint64(block.timestamp); // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it. // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls. uint256 nextTokenId = tokenId + 1; TokenOwnership storage nextSlot = _ownerships[nextTokenId]; if (nextSlot.addr == address(0)) { // This will suffice for checking _exists(nextTokenId), // as a burned slot cannot contain the zero address. if (nextTokenId != _currentIndex) { nextSlot.addr = from; nextSlot.startTimestamp = prevOwnership.startTimestamp; } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev This is 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 { TokenOwnership memory prevOwnership = _ownershipOf(tokenId); address from = prevOwnership.addr; if (approvalCheck) { bool isApprovedOrOwner = (_msgSender() == from || isApprovedForAll(from, _msgSender()) || getApproved(tokenId) == _msgSender()); if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner _approve(address(0), tokenId, from); // 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 { AddressData storage addressData = _addressData[from]; addressData.balance -= 1; addressData.numberBurned += 1; // Keep track of who burned the token, and the timestamp of burning. TokenOwnership storage currSlot = _ownerships[tokenId]; currSlot.addr = from; currSlot.startTimestamp = uint64(block.timestamp); currSlot.burned = true; // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it. // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls. uint256 nextTokenId = tokenId + 1; TokenOwnership storage nextSlot = _ownerships[nextTokenId]; if (nextSlot.addr == address(0)) { // This will suffice for checking _exists(nextTokenId), // as a burned slot cannot contain the zero address. if (nextTokenId != _currentIndex) { nextSlot.addr = from; nextSlot.startTimestamp = prevOwnership.startTimestamp; } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve( address to, uint256 tokenId, address owner ) private { _tokenApprovals[tokenId] = to; emit Approval(owner, to, tokenId); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } /** * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting. * And also called before burning one token. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes * minting. * And also called after one token has been burned. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// 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 v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "./extensions/IERC721Metadata.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/Strings.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @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. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * 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, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
{ "optimizer": { "enabled": 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":"ApprovalToCurrentOwner","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","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":"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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"collectionSize","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"devMint","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":"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":"recipient","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseTokenURI","type":"string"}],"name":"setBaseTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Loading...
Loading
Loading...
Loading
OVERVIEW
# Welcome to the Chris Vance's "First Digital Drop" NFT Collection. Only 96 of these hand-drawn, 4K NFTs were digitally created by Chris Vance - and minted through a NFT collaboration with [NiftyFusions](https://niftyfusions.com). After minting, all original, digital artwork...Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|
Loading...
Loading
[ Download: CSV Export ]
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.