ERC-721
NFT
Overview
Max Total Supply
14,890 BOOK
Holders
2,236
Market
Volume (24H)
0.0047 ETH
Min Price (24H)
$14.62 @ 0.004698 ETH
Max Price (24H)
$14.62 @ 0.004698 ETH
Other Info
Token Contract
Balance
1 BOOKLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
BoredAndDangerous
Compiler Version
v0.8.15+commit.e14f2714
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; import {ERC721} from "solmate/tokens/ERC721.sol"; import {ERC2981} from "openzeppelin-contracts/contracts/token/common/ERC2981.sol"; import {MerkleProof} from "openzeppelin-contracts/contracts/utils/cryptography/MerkleProof.sol"; import {Strings} from "openzeppelin-contracts/contracts/utils/Strings.sol"; interface IERC721 { function ownerOf(uint tokenId) external view returns (address); } contract BoredAndDangerous is ERC721, ERC2981 { /// @notice The original writer's room contract address public constant WRITERS_ROOM = 0x880644ddF208E471C6f2230d31f9027578FA6FcC; /// @notice The grace period for refund claiming uint public constant DUTCH_AUCTION_GRACE_PERIOD = 12 hours; /// @notice The mint cap in the dutch auction uint public constant DUTCH_AUCTION_MINT_CAP = 2; /// @notice The first token id that dutch auction minters will receive, inclusive uint public immutable DUTCH_AUCTION_START_ID; /// @notice The last token id that dutch auction minters will receive, inclusive uint public immutable DUTCH_AUCTION_END_ID; /// @notice The price for writelist mints uint public writelistPrice; /// @notice The address which can admin mint for free, set merkle roots, and set auction params address public mintingOwner; /// @notice The address which can update the metadata uri address public metadataOwner; /// @notice The address which will be returned for the ERC721 owner() standard for setting royalties address public royaltyOwner; /// @notice Records the price and time when the final dutch auction token sells out struct DutchAuctionFinalization { uint128 price; uint128 time; } /// @notice The instantiation of the dutch auction finalization struct DutchAuctionFinalization public dutchEnd; /// @notice The token id which will be minted next in the dutch auction uint public dutchAuctionNextId; /// @notice The token id which will be minted next in the writelist mint uint public writelistMintNextId; /// @notice Records whether a whitelist allocation has been started, and how many are remaining to claim struct Writelist { uint128 remaining; bool used; } /// @notice Whether free mints for writers' room holders are open bool public writelistMintWritersRoomFreeOpen; /// @notice Whether paid mints for writers' room holders are open bool public writelistMintWritersRoomOpen; /// @notice Construct this from (address, amount) tuple elements bytes32 public giveawayMerkleRoot; /// @notice Caches writelist allocations once they've been used mapping(address => Writelist) public giveawayWritelist; /// @notice Construct this from (address, tokenId) tuple elements bytes32 public apeMerkleRoot; /// @notice Maps (address, tokenId) hash to bool, true if token has minted mapping(bytes32 => bool) public apeWritelistUsed; /// @notice Maps tokenId to bool, true if token has minted mapping(uint => bool) public writersroomWritelistUsed; /// @notice Total number of tokens which have minted uint public totalSupply = 0; /// @notice The prefix to attach to the tokenId to get the metadata uri string public baseTokenURI; /// @notice Struct is packed to fit within a single 256-bit slot struct DutchAuctionMintHistory { uint128 amount; uint128 price; } /// @notice Store the mint history for an individual address. Used to issue refunds mapping(address => DutchAuctionMintHistory) public mintHistory; /// @notice Struct is packed to fit within a single 256-bit slot /// @dev uint64 has max value 1.8e19, or 18 ether /// @dev uint32 has max value 4.2e9, which corresponds to max timestamp of year 2106 struct DutchAuctionParams { uint64 startPrice; uint64 endPrice; uint64 priceIncrement; uint32 startTime; uint32 timeIncrement; } /// @notice The instantiation of dutch auction parameters DutchAuctionParams public params; /// @notice Emitted when a token is minted event Mint(address indexed owner, uint indexed tokenId); /// @notice Emitted when an accounts receives its dutch auction refund event DutchAuctionRefund(address indexed account); /// @notice Raised when an unauthorized user calls a gated function error AccessControl(); /// @notice Raised when a non-EOA account calls a gated function error OnlyEOA(address msgSender); /// @notice Raised when a user exceeds their mint cap error ExceededUserMintCap(); /// @notice Raised when the mint has not reached the required timestamp error MintNotOpen(); /// @notice Raised when the user attempts to writelist mint on behalf of a token they do not own error DoesNotOwnToken(uint tokenId); /// @notice Raised when the user attempts to mint after the dutch auction finishes error DutchAuctionOver(); /// @notice Raised when the admin attempts to withdraw funds before the dutch auction grace period has ended error DutchAuctionGracePeriod(uint endPrice, uint endTime); /// @notice Raised when a user attempts to claim their dutch auction refund before the dutch auction ends error DutchAuctionNotOver(); /// @notice Raised when the admin attempts to mint within the dutch auction range while the auction is still ongoing error DutchAuctionNotOverAdmin(); /// @notice Raised when the admin attempts to set dutch auction parameters that don't make sense error DutchAuctionBadParamsAdmin(); /// @notice Raised when `sender` does not pass the proper ether amount to `recipient` error FailedToSendEther(address sender, address recipient); /// @notice Raised when a user tries to writelist mint twice error WritelistUsed(); /// @notice Raised when two calldata arrays do not have the same length error MismatchedArrays(); /// @notice Raised when the user attempts to mint zero items error MintZero(); constructor(uint _DUTCH_AUCTION_START_ID, uint _DUTCH_AUCTION_END_ID) ERC721("Bored & Dangerous", "BOOK") { DUTCH_AUCTION_START_ID = _DUTCH_AUCTION_START_ID; DUTCH_AUCTION_END_ID = _DUTCH_AUCTION_END_ID; dutchAuctionNextId = _DUTCH_AUCTION_START_ID; writelistMintNextId = _DUTCH_AUCTION_END_ID + 1; mintingOwner = msg.sender; metadataOwner = msg.sender; royaltyOwner = msg.sender; } /// @notice Admin mint a token function ownerMint(address recipient, uint tokenId) external { if (msg.sender != mintingOwner) { revert AccessControl(); } if (DUTCH_AUCTION_START_ID <= tokenId && tokenId <= DUTCH_AUCTION_END_ID) { revert DutchAuctionNotOverAdmin(); } unchecked { ++totalSupply; } _mint(recipient, tokenId); } /// @notice Admin mint a batch of tokens function ownerMintBatch(address[] calldata recipients, uint[] calldata tokenIds) external { if (msg.sender != mintingOwner) { revert AccessControl(); } if (recipients.length != tokenIds.length) { revert MismatchedArrays(); } unchecked { totalSupply += tokenIds.length; for (uint i = 0; i < tokenIds.length; ++i) { if (DUTCH_AUCTION_START_ID <= tokenIds[i] && tokenIds[i] <= DUTCH_AUCTION_END_ID) { revert DutchAuctionNotOverAdmin(); } _mint(recipients[i], tokenIds[i]); } } } /////////////////// // DUTCH AUCTION // /////////////////// /// @notice The current dutch auction price /// @dev Reverts if dutch auction has not started yet /// @dev Returns the end price even if the dutch auction has sold out function dutchAuctionPrice() public view returns (uint) { DutchAuctionParams memory _params = params; uint numIncrements = (block.timestamp - _params.startTime) / _params.timeIncrement; uint price = _params.startPrice - numIncrements * _params.priceIncrement; if (price < _params.endPrice) { price = _params.endPrice; } return price; } /// @notice Dutch auction with refunds /// @param amount The number of NFTs to mint, either 1 or 2 function dutchAuctionMint(uint amount) external payable { // Enforce EOA mints _onlyEOA(msg.sender); if (amount == 0) { revert MintZero(); } DutchAuctionMintHistory memory userMintHistory = mintHistory[msg.sender]; // Enforce per-account mint cap if (userMintHistory.amount + amount > DUTCH_AUCTION_MINT_CAP) { revert ExceededUserMintCap(); } uint256 _dutchAuctionNextId = dutchAuctionNextId; // Enforce global mint cap if (_dutchAuctionNextId + amount > DUTCH_AUCTION_END_ID + 1) { revert DutchAuctionOver(); } DutchAuctionParams memory _params = params; // Enforce timing if (block.timestamp < _params.startTime || _params.startPrice == 0) { revert MintNotOpen(); } // Calculate dutch auction price uint numIncrements = (block.timestamp - _params.startTime) / _params.timeIncrement; uint price = _params.startPrice - numIncrements * _params.priceIncrement; if (price < _params.endPrice) { price = _params.endPrice; } // Check mint price if (msg.value != amount * price) { revert FailedToSendEther(msg.sender, address(this)); } unchecked { uint128 newPrice = (userMintHistory.amount * userMintHistory.price + uint128(amount * price)) / uint128(userMintHistory.amount + amount); mintHistory[msg.sender] = DutchAuctionMintHistory({ amount: userMintHistory.amount + uint128(amount), price: newPrice }); for (uint i = 0; i < amount; ++i) { _mint(msg.sender, _dutchAuctionNextId++); } totalSupply += amount; if (_dutchAuctionNextId > DUTCH_AUCTION_END_ID) { dutchEnd = DutchAuctionFinalization({ price: uint128(price), time: uint128(block.timestamp) }); } dutchAuctionNextId = _dutchAuctionNextId; } } /// @notice Provide dutch auction refunds to people who minted early /// @dev Deliberately left unguarded so users can either claim their own, or batch refund others function claimDutchAuctionRefund(address[] calldata accounts) external { // Check if dutch auction over if (dutchEnd.price == 0) { revert DutchAuctionNotOver(); } for (uint i = 0; i < accounts.length; ++i) { address account = accounts[i]; DutchAuctionMintHistory memory mint = mintHistory[account]; // If an account has already been refunded, skip instead of reverting // This prevents griefing attacks when performing batch refunds if (mint.price > 0) { uint refundAmount = mint.amount * (mint.price - dutchEnd.price); delete mintHistory[account]; (bool sent,) = account.call{value: refundAmount}(""); // Revert if the address has a malicious receive function // This is not a griefing vector because the function can be retried // without the failing recipient if (!sent) { revert FailedToSendEther(address(this), account); } } } } //////////////////////////////////////////////////////////////////////////////////////////////////// // WRITELIST MINTS (free writer's room, paid writer's room, paid bored/mutant ape, paid giveaway) // //////////////////////////////////////////////////////////////////////////////////////////////////// /// @notice Free mint from writelist ticket allocation function writelistMintWritersRoomFree(uint[] calldata tokenIds) external { if (!writelistMintWritersRoomFreeOpen) { revert MintNotOpen(); } for (uint i = 0; i < tokenIds.length; ++i) { address tokenOwner = IERC721(WRITERS_ROOM).ownerOf(tokenIds[i]); // This will revert is specific tokenId already minted _mint(tokenOwner, tokenIds[i]); } totalSupply += tokenIds.length; } /// @notice Paid mint for a writer's room NFT function writelistMintWritersRoom(uint[] calldata tokenIds) external payable { if (!writelistMintWritersRoomOpen) { revert MintNotOpen(); } // Check payment if (msg.value != tokenIds.length * writelistPrice) { revert FailedToSendEther(msg.sender, address(this)); } for (uint i = 0; i < tokenIds.length; ++i) { if (writersroomWritelistUsed[tokenIds[i]]) { revert WritelistUsed(); } writersroomWritelistUsed[tokenIds[i]] = true; address tokenOwner = IERC721(WRITERS_ROOM).ownerOf(tokenIds[i]); _mint(tokenOwner, writelistMintNextId++); } totalSupply += tokenIds.length; } /// @notice Mint for a licensed bored ape or mutant ape function writelistMintApes(address tokenContract, uint tokenId, bytes32 leaf, bytes32[] calldata proof) external payable { // Check payment if (msg.value != writelistPrice) { revert FailedToSendEther(msg.sender, address(this)); } bytes32 tokenHash = keccak256(abi.encodePacked(tokenContract, tokenId)); // Create storage element tracking user mints if this is the first mint for them if (apeWritelistUsed[tokenHash]) { revert WritelistUsed(); } // Verify that (tokenContract, tokenId) correspond to Merkle leaf require(tokenHash == leaf, "Token contract and id don't match Merkle leaf"); // Verify that (leaf, proof) matches the Merkle root require(verify(apeMerkleRoot, leaf, proof), "Not a valid leaf in the Merkle tree"); // Get the current tokenOwner and mint to them address tokenOwner = IERC721(tokenContract).ownerOf(tokenId); apeWritelistUsed[tokenHash] = true; ++totalSupply; _mint(tokenOwner, writelistMintNextId++); } /// @notice Mint from writelist allocation function writelistMintGiveaway(address tokenOwner, uint8 amount, uint8 totalAllocation, bytes32 leaf, bytes32[] memory proof) external payable { // Check payment if (msg.value != amount * writelistPrice) { revert FailedToSendEther(msg.sender, address(this)); } Writelist memory writelist = giveawayWritelist[tokenOwner]; // Create storage element tracking user mints if this is the first mint for them if (!writelist.used) { // Verify that (tokenOwner, amount) correspond to Merkle leaf require(keccak256(abi.encodePacked(tokenOwner, totalAllocation)) == leaf, "Sender and amount don't match Merkle leaf"); // Verify that (leaf, proof) matches the Merkle root require(verify(giveawayMerkleRoot, leaf, proof), "Not a valid leaf in the Merkle tree"); writelist.used = true; // Save some gas by never writing to this slot if it will be reset to zero at method end if (amount != totalAllocation) { writelist.remaining = totalAllocation - amount; } } else { writelist.remaining -= amount; } giveawayWritelist[tokenOwner] = writelist; totalSupply += amount; for (uint i = 0; i < amount; ++i) { _mint(tokenOwner, writelistMintNextId++); } } /// @notice Ensure the proof and leaf match the merkle root function verify(bytes32 root, bytes32 leaf, bytes32[] memory proof) public pure returns (bool) { return MerkleProof.verify(proof, root, leaf); } ///////////////////////// // ADMIN FUNCTIONALITY // ///////////////////////// /// @notice Set metadata function setBaseTokenURI(string memory _baseTokenURI) external { if (msg.sender != metadataOwner) { revert AccessControl(); } baseTokenURI = _baseTokenURI; } /// @notice Set merkle root function setGiveawayMerkleRoot(bytes32 _giveawayMerkleRoot) external { if (msg.sender != mintingOwner) { revert AccessControl(); } giveawayMerkleRoot = _giveawayMerkleRoot; } /// @notice Set merkle root function setApeMerkleRoot(bytes32 _apeMerkleRoot) external { if (msg.sender != mintingOwner) { revert AccessControl(); } apeMerkleRoot = _apeMerkleRoot; } /// @notice Set parameters function setDutchAuctionStruct(DutchAuctionParams calldata _params) external { if (msg.sender != mintingOwner) { revert AccessControl(); } if (!(_params.startPrice >= _params.endPrice && _params.endPrice > 0 && _params.startTime > 0 && _params.timeIncrement > 0)) { revert DutchAuctionBadParamsAdmin(); } params = DutchAuctionParams({ startPrice: _params.startPrice, endPrice: _params.endPrice, priceIncrement: _params.priceIncrement, startTime: _params.startTime, timeIncrement: _params.timeIncrement }); } /// @notice Set writelistMintNextId /// @dev Should not be used, but failsafe in case the admin accidentally mints a token id in the writelist range too early function setWritelistMintNextId(uint _writelistMintNextId) external { if (msg.sender != mintingOwner) { revert AccessControl(); } writelistMintNextId = _writelistMintNextId; } /// @notice Set writelistMintWritersRoomFreeOpen function setWritelistMintWritersRoomFreeOpen(bool _value) external { if (msg.sender != mintingOwner) { revert AccessControl(); } writelistMintWritersRoomFreeOpen = _value; } /// @notice Set writelistMintWritersRoomOpen function setWritelistMintWritersRoomOpen(bool _value) external { if (msg.sender != mintingOwner) { revert AccessControl(); } writelistMintWritersRoomOpen = _value; } /// @notice Set writelistPrice function setWritelistPrice(uint _price) external { if (msg.sender != mintingOwner) { revert AccessControl(); } writelistPrice = _price; } /// @notice Claim funds function claimFunds(address payable recipient) external { if (!(msg.sender == mintingOwner || msg.sender == metadataOwner || msg.sender == royaltyOwner)) { revert AccessControl(); } // Wait for the grace period after scheduled end to allow claiming of dutch auction refunds if (!(dutchEnd.price > 0 && block.timestamp >= dutchEnd.time + DUTCH_AUCTION_GRACE_PERIOD)) { revert DutchAuctionGracePeriod(dutchEnd.price, dutchEnd.time); } (bool sent,) = recipient.call{value: address(this).balance}(""); if (!sent) { revert FailedToSendEther(address(this), recipient); } } //////////////////////////////////// // ACCESS CONTROL ADDRESS UPDATES // //////////////////////////////////// /// @notice Update the mintingOwner /// @dev Can also be used to revoke this power by setting to 0x0 function setMintingOwner(address _mintingOwner) external { if (msg.sender != mintingOwner) { revert AccessControl(); } mintingOwner = _mintingOwner; } /// @notice Update the metadataOwner /// @dev Can also be used to revoke this power by setting to 0x0 /// @dev Should only be revoked after setting an IPFS url so others can pin function setMetadataOwner(address _metadataOwner) external { if (msg.sender != metadataOwner) { revert AccessControl(); } metadataOwner = _metadataOwner; } /// @notice Update the royaltyOwner /// @dev Can also be used to revoke this power by setting to 0x0 function setRoyaltyOwner(address _royaltyOwner) external { if (msg.sender != royaltyOwner) { revert AccessControl(); } royaltyOwner = _royaltyOwner; } /// @notice The address which can set royalties function owner() external view returns (address) { return royaltyOwner; } // ROYALTY FUNCTIONALITY /// @dev See {IERC165-supportsInterface}. function supportsInterface(bytes4 interfaceId) public view override(ERC721, ERC2981) returns (bool) { return interfaceId == 0x2a55205a || // ERC165 Interface ID for ERC2981 interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165 interfaceId == 0x80ac58cd || // ERC165 Interface ID for ERC721 interfaceId == 0x5b5e139f; // ERC165 Interface ID for ERC721Metadata } /// @dev See {ERC2981-_setDefaultRoyalty}. function setDefaultRoyalty(address receiver, uint96 feeNumerator) external { if (msg.sender != royaltyOwner) { revert AccessControl(); } _setDefaultRoyalty(receiver, feeNumerator); } /// @dev See {ERC2981-_deleteDefaultRoyalty}. function deleteDefaultRoyalty() external { if (msg.sender != royaltyOwner) { revert AccessControl(); } _deleteDefaultRoyalty(); } /// @dev See {ERC2981-_setTokenRoyalty}. function setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) external { if (msg.sender != royaltyOwner) { revert AccessControl(); } _setTokenRoyalty(tokenId, receiver, feeNumerator); } /// @dev See {ERC2981-_resetTokenRoyalty}. function resetTokenRoyalty(uint256 tokenId) external { if (msg.sender != royaltyOwner) { revert AccessControl(); } _resetTokenRoyalty(tokenId); } // METADATA FUNCTIONALITY /// @notice Returns the metadata URI for a given token function tokenURI(uint256 tokenId) public view override returns (string memory) { return string(abi.encodePacked(baseTokenURI, Strings.toString(tokenId))); } // INTERNAL FUNCTIONS /// @dev Revert if the account is a smart contract. Does not protect against calls from the constructor. /// @param account The account to check function _onlyEOA(address account) internal view { if (msg.sender != tx.origin || account.code.length > 0) { revert OnlyEOA(account); } } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; /// @notice Modern, minimalist, and gas efficient ERC-721 implementation. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC721.sol) abstract contract ERC721 { /*////////////////////////////////////////////////////////////// EVENTS //////////////////////////////////////////////////////////////*/ event Transfer(address indexed from, address indexed to, uint256 indexed id); event Approval(address indexed owner, address indexed spender, uint256 indexed id); event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /*////////////////////////////////////////////////////////////// METADATA STORAGE/LOGIC //////////////////////////////////////////////////////////////*/ string public name; string public symbol; function tokenURI(uint256 id) public view virtual returns (string memory); /*////////////////////////////////////////////////////////////// ERC721 BALANCE/OWNER STORAGE //////////////////////////////////////////////////////////////*/ mapping(uint256 => address) internal _ownerOf; mapping(address => uint256) internal _balanceOf; function ownerOf(uint256 id) public view virtual returns (address owner) { require((owner = _ownerOf[id]) != address(0), "NOT_MINTED"); } function balanceOf(address owner) public view virtual returns (uint256) { require(owner != address(0), "ZERO_ADDRESS"); return _balanceOf[owner]; } /*////////////////////////////////////////////////////////////// ERC721 APPROVAL STORAGE //////////////////////////////////////////////////////////////*/ mapping(uint256 => address) public getApproved; mapping(address => mapping(address => bool)) public isApprovedForAll; /*////////////////////////////////////////////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////*/ constructor(string memory _name, string memory _symbol) { name = _name; symbol = _symbol; } /*////////////////////////////////////////////////////////////// ERC721 LOGIC //////////////////////////////////////////////////////////////*/ function approve(address spender, uint256 id) public virtual { address owner = _ownerOf[id]; require(msg.sender == owner || isApprovedForAll[owner][msg.sender], "NOT_AUTHORIZED"); getApproved[id] = spender; emit Approval(owner, spender, id); } function setApprovalForAll(address operator, bool approved) public virtual { isApprovedForAll[msg.sender][operator] = approved; emit ApprovalForAll(msg.sender, operator, approved); } function transferFrom( address from, address to, uint256 id ) public virtual { require(from == _ownerOf[id], "WRONG_FROM"); require(to != address(0), "INVALID_RECIPIENT"); require( msg.sender == from || isApprovedForAll[from][msg.sender] || msg.sender == getApproved[id], "NOT_AUTHORIZED" ); // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. unchecked { _balanceOf[from]--; _balanceOf[to]++; } _ownerOf[id] = to; delete getApproved[id]; emit Transfer(from, to, id); } function safeTransferFrom( address from, address to, uint256 id ) public virtual { transferFrom(from, to, id); require( to.code.length == 0 || ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") == ERC721TokenReceiver.onERC721Received.selector, "UNSAFE_RECIPIENT" ); } function safeTransferFrom( address from, address to, uint256 id, bytes calldata data ) public virtual { transferFrom(from, to, id); require( to.code.length == 0 || ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) == ERC721TokenReceiver.onERC721Received.selector, "UNSAFE_RECIPIENT" ); } /*////////////////////////////////////////////////////////////// ERC165 LOGIC //////////////////////////////////////////////////////////////*/ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165 interfaceId == 0x80ac58cd || // ERC165 Interface ID for ERC721 interfaceId == 0x5b5e139f; // ERC165 Interface ID for ERC721Metadata } /*////////////////////////////////////////////////////////////// INTERNAL MINT/BURN LOGIC //////////////////////////////////////////////////////////////*/ function _mint(address to, uint256 id) internal virtual { require(to != address(0), "INVALID_RECIPIENT"); require(_ownerOf[id] == address(0), "ALREADY_MINTED"); // Counter overflow is incredibly unrealistic. unchecked { _balanceOf[to]++; } _ownerOf[id] = to; emit Transfer(address(0), to, id); } function _burn(uint256 id) internal virtual { address owner = _ownerOf[id]; require(owner != address(0), "NOT_MINTED"); // Ownership check above ensures no underflow. unchecked { _balanceOf[owner]--; } delete _ownerOf[id]; delete getApproved[id]; emit Transfer(owner, address(0), id); } /*////////////////////////////////////////////////////////////// INTERNAL SAFE MINT LOGIC //////////////////////////////////////////////////////////////*/ function _safeMint(address to, uint256 id) internal virtual { _mint(to, id); require( to.code.length == 0 || ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, "") == ERC721TokenReceiver.onERC721Received.selector, "UNSAFE_RECIPIENT" ); } function _safeMint( address to, uint256 id, bytes memory data ) internal virtual { _mint(to, id); require( to.code.length == 0 || ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, data) == ERC721TokenReceiver.onERC721Received.selector, "UNSAFE_RECIPIENT" ); } } /// @notice A generic interface for a contract which properly accepts ERC721 tokens. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC721.sol) abstract contract ERC721TokenReceiver { function onERC721Received( address, address, uint256, bytes calldata ) external virtual returns (bytes4) { return ERC721TokenReceiver.onERC721Received.selector; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The proofs can be generated using the JavaScript library * https://github.com/miguelmota/merkletreejs[merkletreejs]. * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled. * * See `test/utils/cryptography/MerkleProof.test.js` for some examples. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify( bytes32[] memory proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProof(proof, leaf) == root; } /** * @dev Calldata version of {verify} * * _Available since v4.7._ */ function verifyCalldata( bytes32[] calldata proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProofCalldata(proof, leaf) == root; } /** * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt * hash matches the root of the tree. When processing the proof, the pairs * of leafs & pre-images are assumed to be sorted. * * _Available since v4.4._ */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Calldata version of {processProof} * * _Available since v4.7._ */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * _Available since v4.7._ */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * _Available since v4.7._ */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`, * consuming from one or the other at each step according to the instructions given by * `proofFlags`. * * _Available since v4.7._ */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof} * * _Available since v4.7._ */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
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Contract Security Audit
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BoredAndDangerous.DutchAuctionParams","name":"_params","type":"tuple"}],"name":"setDutchAuctionStruct","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_giveawayMerkleRoot","type":"bytes32"}],"name":"setGiveawayMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_metadataOwner","type":"address"}],"name":"setMetadataOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_mintingOwner","type":"address"}],"name":"setMintingOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_royaltyOwner","type":"address"}],"name":"setRoyaltyOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setTokenRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_writelistMintNextId","type":"uint256"}],"name":"setWritelistMintNextId","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_value","type":"bool"}],"name":"setWritelistMintWritersRoomFreeOpen","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_value","type":"bool"}],"name":"setWritelistMintWritersRoomOpen","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setWritelistPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"root","type":"bytes32"},{"internalType":"bytes32","name":"leaf","type":"bytes32"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"verify","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"tokenContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes32","name":"leaf","type":"bytes32"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"writelistMintApes","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenOwner","type":"address"},{"internalType":"uint8","name":"amount","type":"uint8"},{"internalType":"uint8","name":"totalAllocation","type":"uint8"},{"internalType":"bytes32","name":"leaf","type":"bytes32"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"writelistMintGiveaway","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"writelistMintNextId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"writelistMintWritersRoom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"writelistMintWritersRoomFree","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"writelistMintWritersRoomFreeOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"writelistMintWritersRoomOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"writelistPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"writersroomWritelistUsed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000000000000000001b1f000000000000000000000000000000000000000000000000000000000000245d
-----Decoded View---------------
Arg [0] : _DUTCH_AUCTION_START_ID (uint256): 6943
Arg [1] : _DUTCH_AUCTION_END_ID (uint256): 9309
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000001b1f
Arg [1] : 000000000000000000000000000000000000000000000000000000000000245d
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