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- Contract name:
- NFTEX2
- Optimization enabled
- false
- Compiler version
- v0.7.2+commit.51b20bc0
- EVM Version
- default
- Verified at
- 2022-08-22T19:37:43.372360Z
Constructor Arguments
00000000000000000000000000000000000000000000000000000000000000fa
Arg [0] (uint16) : 250
Contract source code
// File: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/utils/Context.sol
pragma solidity >=0.6.0 <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 GSN 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 payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
// File: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/access/Ownable.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
// File: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/token/ERC721/IERC721Receiver.sol
pragma solidity >=0.6.0 <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 `IERC721.onERC721Received.selector`.
*/
function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4);
}
// File: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/token/ERC721/ERC721Holder.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Implementation of the {IERC721Receiver} interface.
*
* Accepts all token transfers.
* Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}.
*/
contract ERC721Holder is IERC721Receiver {
/**
* @dev See {IERC721Receiver-onERC721Received}.
*
* Always returns `IERC721Receiver.onERC721Received.selector`.
*/
function onERC721Received(address, address, uint256, bytes memory) public virtual override returns (bytes4) {
return this.onERC721Received.selector;
}
}
// File: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/introspection/IERC165.sol
pragma solidity >=0.6.0 <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);
}
// File: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/token/ERC721/IERC721.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @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`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @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 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);
/**
* @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;
}
// File: contracts/nftex2.sol
pragma solidity 0.7.2;
//import "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol";
//import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
//import "@openzeppelin/contracts/access/Ownable.sol";
//https://github.com/TheGreatHB/NFTEX/blob/main/contracts/NFTEX.sol
//import "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol";
//import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
//import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
//import "@openzeppelin/contracts/access/Ownable.sol";
contract NFTEX2 is ERC721Holder, Ownable {
struct Order {
uint8 orderType; //0:Fixed Price, 1:Dutch Auction, 2:English Auction
address seller;
IERC721 token;
uint256 tokenId;
uint256 startPrice;
uint256 endPrice;
uint256 startBlock;
uint256 endBlock;
uint256 lastBidPrice;
address lastBidder;
bool isSold;
}
mapping(IERC721 => bool) public whitelisted;
mapping (IERC721 => mapping (uint256 => bytes32[])) public orderIdByToken;
mapping (address => bytes32[]) public orderIdBySeller;
mapping (bytes32 => Order) public orderInfo;
address public feeAddress;
uint16 public feePercent;
event MakeOrder(IERC721 indexed token, uint256 id, bytes32 indexed hash, address seller);
event CancelOrder(IERC721 indexed token, uint256 id, bytes32 indexed hash, address seller);
event Bid(IERC721 indexed token, uint256 id, bytes32 indexed hash, address bidder, uint256 bidPrice);
event Claim(IERC721 indexed token, uint256 id, bytes32 indexed hash, address seller, address taker, uint256 price);
constructor(uint16 _feePercent) {
require(_feePercent <= 10000, "input value is more than 100%");
feeAddress = msg.sender;
feePercent = _feePercent;
}
// view fx
function getCurrentPrice(bytes32 _order) public view returns (uint256) {
Order storage o = orderInfo[_order];
uint8 orderType = o.orderType;
if (orderType == 0) {
return o.startPrice;
} else if (orderType == 2) {
uint256 lastBidPrice = o.lastBidPrice;
return lastBidPrice == 0 ? o.startPrice : lastBidPrice;
} else {
uint256 _startPrice = o.startPrice;
uint256 _startBlock = o.startBlock;
uint256 tickPerBlock = (_startPrice - o.endPrice) / (o.endBlock - _startBlock);
return _startPrice - ((block.number - _startBlock) * tickPerBlock);
}
}
function tokenOrderLength(IERC721 _token, uint256 _id) external view returns (uint256) {
return orderIdByToken[_token][_id].length;
}
function sellerOrderLength(address _seller) external view returns (uint256) {
return orderIdBySeller[_seller].length;
}
// make order fx
//0:Fixed Price, 1:Dutch Auction, 2:English Auction
function dutchAuction(IERC721 _token, uint256 _id, uint256 _startPrice, uint256 _endPrice, uint256 _endBlock) public {
require(_startPrice > _endPrice, "End price should be lower than start price");
_makeOrder(1, _token, _id, _startPrice, _endPrice, _endBlock);
} //sp != ep
function englishAuction(IERC721 _token, uint256 _id, uint256 _startPrice, uint256 _endBlock) public {
_makeOrder(2, _token, _id, _startPrice, 0, _endBlock);
} //ep=0. for gas saving.
function fixedPrice(IERC721 _token, uint256 _id, uint256 _price, uint256 _endBlock) public {
_makeOrder(0, _token, _id, _price, 0, _endBlock);
} //ep=0. for gas saving.
function _makeOrder(
uint8 _orderType,
IERC721 _token,
uint256 _id,
uint256 _startPrice,
uint256 _endPrice,
uint256 _endBlock
) internal {
// if(!whitelisted[_token]) {
// require(true, "Token not in whitelist");
// }
require (whitelisted[_token], "Token not in whitelist");
require(_endBlock > block.number, "Duration must be more than zero");
//push
bytes32 hash = _hash(_token, _id, msg.sender);
orderInfo[hash] = Order(_orderType, msg.sender, _token, _id, _startPrice, _endPrice, block.number, _endBlock, 0, address(0), false);
orderIdByToken[_token][_id].push(hash);
orderIdBySeller[msg.sender].push(hash);
//check if seller has a right to transfer the NFT token. safeTransferFrom.
_token.safeTransferFrom(msg.sender, address(this), _id);
emit MakeOrder(_token, _id, hash, msg.sender);
}
function _hash(IERC721 _token, uint256 _id, address _seller) internal view returns (bytes32) {
return keccak256(abi.encodePacked(block.number, _token, _id, _seller));
}
// take order fx
//you have to pay only ETH for bidding and buying.
//In this contract, since send function is used instead of transfer or low-level call function,
//if a participant is a contract, it must have receive payable function.
//But if it has some code in either receive or fallback fx, they might not be able to receive their ETH.
//Even though some contracts can't receive their ETH, the transaction won't be failed.
//Bids must be at least 5% higher than the previous bid.
//If someone bids in the last 5 minutes of an auction, the auction will automatically extend by 5 minutes.
function bid(bytes32 _order) payable external {
Order storage o = orderInfo[_order];
uint256 endBlock = o.endBlock;
uint256 lastBidPrice = o.lastBidPrice;
address lastBidder = o.lastBidder;
require(o.orderType == 2, "only for English Auction");
require(endBlock != 0, "Canceled order");
require(block.number <= endBlock, "It's over");
require(o.seller != msg.sender, "Can not bid to your order");
if (lastBidPrice != 0) {
require(msg.value >= lastBidPrice + (lastBidPrice / 20), "low price bid"); //5%
} else {
require(msg.value >= o.startPrice && msg.value > 0, "low price bid");
}
if (block.number > endBlock - 150) { //20blocks = 5 mins in Etherium.
o.endBlock = endBlock + 150;
}
o.lastBidder = msg.sender;
o.lastBidPrice = msg.value;
if (lastBidPrice != 0) {
// payable(lastBidder).send(lastBidPrice);
payable(lastBidder).transfer(lastBidPrice);
}
emit Bid(o.token, o.tokenId, _order, msg.sender, msg.value);
}
function buyItNow(bytes32 _order) payable external {
Order storage o = orderInfo[_order];
uint256 endBlock = o.endBlock;
require(endBlock != 0, "Canceled order");
require(endBlock > block.number, "It's over");
require(o.orderType < 2, "It's a English Auction");
require(o.isSold == false, "Already sold");
uint256 currentPrice = getCurrentPrice(_order);
require(msg.value >= currentPrice, "price error");
o.isSold = true; //reentrancy proof
uint256 fee = currentPrice * feePercent / 10000;
// payable(o.seller).send(currentPrice - fee);
// payable(feeAddress).send(fee);
payable(o.seller).transfer(currentPrice - fee);
payable(feeAddress).transfer(fee);
if (msg.value > currentPrice) {
// payable(msg.sender).send(msg.value - currentPrice);
payable(msg.sender).transfer(msg.value - currentPrice);
}
o.token.safeTransferFrom(address(this), msg.sender, o.tokenId);
emit Claim(o.token, o.tokenId, _order, o.seller, msg.sender, currentPrice);
}
//both seller and taker can call this fx in English Auction. Probably the taker(last bidder) might call this fx.
//In both DA and FP, buyItNow fx include claim fx.
function claim(bytes32 _order) external {
Order storage o = orderInfo[_order];
address seller = o.seller;
address lastBidder = o.lastBidder;
require(o.isSold == false, "Already sold");
require(seller == msg.sender || lastBidder == msg.sender, "Access denied");
require(o.orderType == 2, "This function is for English Auction");
require(block.number > o.endBlock, "Not yet");
IERC721 token = o.token;
uint256 tokenId = o.tokenId;
uint256 lastBidPrice = o.lastBidPrice;
uint256 fee = lastBidPrice * feePercent / 10000;
o.isSold = true;
// payable(seller).send(lastBidPrice - fee);
// payable(feeAddress).send(fee);
payable(seller).transfer(lastBidPrice - fee);
payable(feeAddress).transfer(fee);
token.safeTransferFrom(address(this), lastBidder, tokenId);
emit Claim(token, tokenId, _order, seller, lastBidder, lastBidPrice);
}
function cancelOrder(bytes32 _order) external {
Order storage o = orderInfo[_order];
require(o.seller == msg.sender, "Access denied");
require(o.lastBidPrice == 0, "Bidding exist"); //for EA. but even in DA, FP, seller can withdraw his/her token with this fx.
require(o.isSold == false, "Already sold");
IERC721 token = o.token;
uint256 tokenId = o.tokenId;
o.endBlock = 0; //0 endBlock means the order was canceled.
token.safeTransferFrom(address(this), msg.sender, tokenId);
emit CancelOrder(token, tokenId, _order, msg.sender);
}
//feeAddress must be either an EOA or a contract must have payable receive fx and doesn't have some codes in that fx.
//If not, it might be that it won't be receive any fee.
function setFeeAddress(address _feeAddress) external onlyOwner {
feeAddress = _feeAddress;
}
function updateFeePercent(uint16 _percent) external onlyOwner {
require(_percent <= 10000, "input value is more than 100%");
feePercent = _percent;
}
function whitelistUser(IERC721 _token) public onlyOwner {
whitelisted[_token] = true;
}
function removeWhitelistUser(IERC721 _token) public onlyOwner {
whitelisted[_token] = false;
}
}
Contract ABI
[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"uint16","name":"_feePercent","internalType":"uint16"}]},{"type":"event","name":"Bid","inputs":[{"type":"address","name":"token","internalType":"contract IERC721","indexed":true},{"type":"uint256","name":"id","internalType":"uint256","indexed":false},{"type":"bytes32","name":"hash","internalType":"bytes32","indexed":true},{"type":"address","name":"bidder","internalType":"address","indexed":false},{"type":"uint256","name":"bidPrice","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"CancelOrder","inputs":[{"type":"address","name":"token","internalType":"contract IERC721","indexed":true},{"type":"uint256","name":"id","internalType":"uint256","indexed":false},{"type":"bytes32","name":"hash","internalType":"bytes32","indexed":true},{"type":"address","name":"seller","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"Claim","inputs":[{"type":"address","name":"token","internalType":"contract IERC721","indexed":true},{"type":"uint256","name":"id","internalType":"uint256","indexed":false},{"type":"bytes32","name":"hash","internalType":"bytes32","indexed":true},{"type":"address","name":"seller","internalType":"address","indexed":false},{"type":"address","name":"taker","internalType":"address","indexed":false},{"type":"uint256","name":"price","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"MakeOrder","inputs":[{"type":"address","name":"token","internalType":"contract IERC721","indexed":true},{"type":"uint256","name":"id","internalType":"uint256","indexed":false},{"type":"bytes32","name":"hash","internalType":"bytes32","indexed":true},{"type":"address","name":"seller","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"payable","outputs":[],"name":"bid","inputs":[{"type":"bytes32","name":"_order","internalType":"bytes32"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"buyItNow","inputs":[{"type":"bytes32","name":"_order","internalType":"bytes32"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"cancelOrder","inputs":[{"type":"bytes32","name":"_order","internalType":"bytes32"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"claim","inputs":[{"type":"bytes32","name":"_order","internalType":"bytes32"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"dutchAuction","inputs":[{"type":"address","name":"_token","internalType":"contract IERC721"},{"type":"uint256","name":"_id","internalType":"uint256"},{"type":"uint256","name":"_startPrice","internalType":"uint256"},{"type":"uint256","name":"_endPrice","internalType":"uint256"},{"type":"uint256","name":"_endBlock","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"englishAuction","inputs":[{"type":"address","name":"_token","internalType":"contract IERC721"},{"type":"uint256","name":"_id","internalType":"uint256"},{"type":"uint256","name":"_startPrice","internalType":"uint256"},{"type":"uint256","name":"_endBlock","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"feeAddress","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint16","name":"","internalType":"uint16"}],"name":"feePercent","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"fixedPrice","inputs":[{"type":"address","name":"_token","internalType":"contract IERC721"},{"type":"uint256","name":"_id","internalType":"uint256"},{"type":"uint256","name":"_price","internalType":"uint256"},{"type":"uint256","name":"_endBlock","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getCurrentPrice","inputs":[{"type":"bytes32","name":"_order","internalType":"bytes32"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bytes4","name":"","internalType":"bytes4"}],"name":"onERC721Received","inputs":[{"type":"address","name":"","internalType":"address"},{"type":"address","name":"","internalType":"address"},{"type":"uint256","name":"","internalType":"uint256"},{"type":"bytes","name":"","internalType":"bytes"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"orderIdBySeller","inputs":[{"type":"address","name":"","internalType":"address"},{"type":"uint256","name":"","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"orderIdByToken","inputs":[{"type":"address","name":"","internalType":"contract IERC721"},{"type":"uint256","name":"","internalType":"uint256"},{"type":"uint256","name":"","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint8","name":"orderType","internalType":"uint8"},{"type":"address","name":"seller","internalType":"address"},{"type":"address","name":"token","internalType":"contract IERC721"},{"type":"uint256","name":"tokenId","internalType":"uint256"},{"type":"uint256","name":"startPrice","internalType":"uint256"},{"type":"uint256","name":"endPrice","internalType":"uint256"},{"type":"uint256","name":"startBlock","internalType":"uint256"},{"type":"uint256","name":"endBlock","internalType":"uint256"},{"type":"uint256","name":"lastBidPrice","internalType":"uint256"},{"type":"address","name":"lastBidder","internalType":"address"},{"type":"bool","name":"isSold","internalType":"bool"}],"name":"orderInfo","inputs":[{"type":"bytes32","name":"","internalType":"bytes32"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"removeWhitelistUser","inputs":[{"type":"address","name":"_token","internalType":"contract IERC721"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"sellerOrderLength","inputs":[{"type":"address","name":"_seller","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setFeeAddress","inputs":[{"type":"address","name":"_feeAddress","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"tokenOrderLength","inputs":[{"type":"address","name":"_token","internalType":"contract IERC721"},{"type":"uint256","name":"_id","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"updateFeePercent","inputs":[{"type":"uint16","name":"_percent","internalType":"uint16"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"whitelistUser","inputs":[{"type":"address","name":"_token","internalType":"contract IERC721"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"whitelisted","inputs":[{"type":"address","name":"","internalType":"contract IERC721"}]}]
Contract Creation Code
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