ERC-721
NFT
Overview
Max Total Supply
378 MCTCTL
Holders
202
Market
Volume (24H)
0.0101 ETH
Min Price (24H)
$25.16 @ 0.010100 ETH
Max Price (24H)
$25.16 @ 0.010100 ETH
Other Info
Token Contract
Balance
1 MCTCTLLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
MeritNFT
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
Yes with 800 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; import "@openzeppelin/contracts/access/AccessControlEnumerable.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/token/common/ERC2981.sol"; import "./interfaces/IMeritMintableNFT.sol"; contract MeritNFT is ERC721Enumerable, AccessControlEnumerable, ERC2981, IMeritMintableNFT { using Strings for uint256; error OnlyMinterError(); error OnlyAdminError(); error WrongSizeError(); error NotBurnableError(); error NotOwnerError(); bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE"); string internal baseTokenURI; mapping(uint256 => uint256) public sizes; bool public burnable = false; modifier onlyMinter { if(!hasRole(MINTER_ROLE, msg.sender)) { revert OnlyMinterError(); } _; } modifier onlyAdmin { if(!hasRole(DEFAULT_ADMIN_ROLE, msg.sender)) { revert OnlyAdminError(); } _; } /// @notice Constructor /// @param _name The name of the NFT /// @param _symbol Symbol aka ticker /// @param _baseTokenURI Prepends the tokenId for the tokenURI constructor( string memory _name, string memory _symbol, string memory _baseTokenURI ) ERC721(_name, _symbol) { baseTokenURI = _baseTokenURI; _setupRole(DEFAULT_ADMIN_ROLE, _msgSender()); } /// @notice Mints an NFT. Can only be called by an address with the minter role and tokenId must be unique /// @param _tokenId Id of the token /// @param _receiver Address receiving the NFT function mint(uint256 _tokenId, address _receiver, uint256 _size) external override onlyMinter { if (_size > 3) { revert WrongSizeError(); } sizes[_tokenId] = _size; _mint(_receiver, _tokenId); } /// @notice Burns an NFT. Can only be called by the owner if burning is activated. /// @param _tokenId Id of the token function burn(uint256 _tokenId) external { if (!burnable) { revert NotBurnableError(); } if (msg.sender != ownerOf(_tokenId)) { revert NotOwnerError(); } _burn(_tokenId); } /// @notice Sets the burnable variable. /// @param _burnable If the NFT is burnable or not. function setBurnable(bool _burnable) external onlyAdmin { burnable = _burnable; } /// @notice Sets the receiver and fee info /// @param _receiver Address that receives the fees /// @param _feeNumerator Basis points of the fee to be received function setDefaultRoyalty(address _receiver, uint96 _feeNumerator) external onlyAdmin { _setDefaultRoyalty(_receiver, _feeNumerator); } /// @notice Sets the base token URI. Can only be called by an address with the default admin role /// @param _newBaseURI New baseURI function setBaseURI(string memory _newBaseURI) external onlyAdmin { baseTokenURI = _newBaseURI; } function _baseURI() internal view virtual override returns (string memory) { return baseTokenURI; } /// @notice returns the baseURI /// @return The tokenURI function baseURI() external view returns (string memory) { return _baseURI(); } /// @notice Signals support for a given interface /// @param interfaceId 4bytes signature of the interface function supportsInterface(bytes4 interfaceId) public view virtual override(ERC2981, AccessControlEnumerable, ERC721Enumerable) returns (bool) { return super.supportsInterface(interfaceId); } /** * @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(), "_", sizes[tokenId].toString(), ".json")) : ""; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "./IERC721Enumerable.sol"; /** * @dev This implements an optional extension of {ERC721} defined in the EIP that adds * enumerability of all the token ids in the contract as well as all token ids owned by each * account. */ abstract contract ERC721Enumerable is ERC721, IERC721Enumerable { // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev See {ERC721-_beforeTokenTransfer}. */ function _beforeTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual override { super._beforeTokenTransfer(from, to, firstTokenId, batchSize); if (batchSize > 1) { // Will only trigger during construction. Batch transferring (minting) is not available afterwards. revert("ERC721Enumerable: consecutive transfers not supported"); } uint256 tokenId = firstTokenId; if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /** * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /** * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list */ function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /** * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /** * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol) pragma solidity ^0.8.0; import "./IAccessControlEnumerable.sol"; import "./AccessControl.sol"; import "../utils/structs/EnumerableSet.sol"; /** * @dev Extension of {AccessControl} that allows enumerating the members of each role. */ abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl { using EnumerableSet for EnumerableSet.AddressSet; mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) { return _roleMembers[role].at(index); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) { return _roleMembers[role].length(); } /** * @dev Overload {_grantRole} to track enumerable memberships */ function _grantRole(bytes32 role, address account) internal virtual override { super._grantRole(role, account); _roleMembers[role].add(account); } /** * @dev Overload {_revokeRole} to track enumerable memberships */ function _revokeRole(bytes32 role, address account) internal virtual override { super._revokeRole(role, account); _roleMembers[role].remove(account); } }
// 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 (last updated v4.7.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; interface IMeritMintableNFT { function mint(uint256 _tokenId, address _receiver, uint256 _size) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (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: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _ownerOf(tokenId); require(owner != address(0), "ERC721: invalid token ID"); 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) { _requireMinted(tokenId); 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 token owner or approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); 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: caller is not token owner or 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: caller is not token owner or 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 the owner of the `tokenId`. Does NOT revert if token doesn't exist */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _owners[tokenId]; } /** * @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 _ownerOf(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) { 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, 1); // Check that tokenId was not minted by `_beforeTokenTransfer` hook require(!_exists(tokenId), "ERC721: token already minted"); unchecked { // Will not overflow unless all 2**256 token ids are minted to the same owner. // Given that tokens are minted one by one, it is impossible in practice that // this ever happens. Might change if we allow batch minting. // The ERC fails to describe this case. _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId, 1); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId, 1); // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook owner = ERC721.ownerOf(tokenId); // Clear approvals delete _tokenApprovals[tokenId]; unchecked { // Cannot overflow, as that would require more tokens to be burned/transferred // out than the owner initially received through minting and transferring in. _balances[owner] -= 1; } delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId, 1); } /** * @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, 1); // Check that tokenId was not transferred by `_beforeTokenTransfer` hook require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); // Clear approvals from the previous owner delete _tokenApprovals[tokenId]; unchecked { // `_balances[from]` cannot overflow for the same reason as described in `_burn`: // `from`'s balance is the number of token held, which is at least one before the current // transfer. // `_balances[to]` could overflow in the conditions described in `_mint`. That would require // all 2**256 token ids to be minted, which in practice is impossible. _balances[from] -= 1; _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId, 1); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {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 an {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 Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "ERC721: invalid token ID"); } /** * @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 { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`. * - When `from` is zero, the tokens will be minted for `to`. * - When `to` is zero, ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256, /* firstTokenId */ uint256 batchSize ) internal virtual { if (batchSize > 1) { if (from != address(0)) { _balances[from] -= batchSize; } if (to != address(0)) { _balances[to] += batchSize; } } } /** * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`. * - When `from` is zero, the tokens were minted for `to`. * - When `to` is zero, ``from``'s tokens were burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (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 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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * 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/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 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 v4.8.0) (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 functionCallWithValue(target, data, 0, "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"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or 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 { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // 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 /// @solidity memory-safe-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 (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 v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; /** * @dev External interface of AccessControlEnumerable declared to support ERC165 detection. */ interface IAccessControlEnumerable is IAccessControl { /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) external view returns (address); /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; import "../utils/Context.sol"; import "../utils/Strings.sol"; import "../utils/introspection/ERC165.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(account), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/structs/EnumerableSet.sol) // This file was procedurally generated from scripts/generate/templates/EnumerableSet.js. pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure * unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an * array of EnumerableSet. * ==== */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { bytes32[] memory store = _values(set._inner); bytes32[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values in the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
{ "metadata": { "bytecodeHash": "none" }, "optimizer": { "enabled": true, "runs": 800 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_baseTokenURI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"NotBurnableError","type":"error"},{"inputs":[],"name":"NotOwnerError","type":"error"},{"inputs":[],"name":"OnlyAdminError","type":"error"},{"inputs":[],"name":"OnlyMinterError","type":"error"},{"inputs":[],"name":"WrongSizeError","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":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINTER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"burnable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"uint256","name":"_size","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_burnable","type":"bool"}],"name":"setBurnable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"uint96","name":"_feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"sizes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","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":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"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"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : _name (string): Merit Circle - Tactile NFT
Arg [1] : _symbol (string): MCTCTL
Arg [2] : _baseTokenURI (string): ipfs://QmPWGu6rKHhNUe2VXFK1ZofYgbH2gf1UbzMHWkzx9g37Q1/
-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [3] : 000000000000000000000000000000000000000000000000000000000000001a
Arg [4] : 4d6572697420436972636c65202d2054616374696c65204e4654000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [6] : 4d435443544c0000000000000000000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000036
Arg [8] : 697066733a2f2f516d5057477536724b48684e5565325658464b315a6f665967
Arg [9] : 62483267663155627a4d48576b7a783967333751312f00000000000000000000
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.