ERC-721
Overview
Max Total Supply
800 ASTRA GENESIS NFT
Holders
612
Market
Volume (24H)
0.822 ETH
Min Price (24H)
$296.00 @ 0.088000 ETH
Max Price (24H)
$326.27 @ 0.097000 ETH
Other Info
Token Contract
Balance
0 ASTRA GENESIS NFTLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Source Code Verified (Exact Match)
Contract Name:
AstraGenesisNFT
Compiler Version
v0.8.23+commit.f704f362
Optimization Enabled:
Yes with 99999 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; contract AstraGenesisNFT is ERC721, Ownable { uint256 private _tokenIdCounter = 1; uint256 public maxSupply; bytes32 public whitelistMerkleRoot; bytes32 public fcfsMerkleRoot; uint8 public mintStatus = 0; string public tokenURI = ""; mapping(address => bool) public claimed; uint256 public whitelistStartTime; uint256 public constant fcfsStartDelay = 6 hours; constructor( string memory name, string memory symbol, address _owner, string memory _tokenURI, uint256 _maxSupply, bytes32 _whitelistMerkleRoot, bytes32 _fcfsMerkleRoot ) Ownable(_owner) ERC721(name, symbol) { maxSupply = _maxSupply; whitelistMerkleRoot = _whitelistMerkleRoot; fcfsMerkleRoot = _fcfsMerkleRoot; tokenURI = _tokenURI; } modifier canMint { require(_tokenIdCounter <= maxSupply, "Astra: Exceeds maximum supply"); _; } function setWhitelistMerkleRoot(bytes32 _merkleRoot) external onlyOwner { whitelistMerkleRoot = _merkleRoot; } function setFCFSMerkleRoot(bytes32 _merkleRoot) external onlyOwner { fcfsMerkleRoot = _merkleRoot; } function setMintStatus(uint8 _status) external onlyOwner { mintStatus = _status; if (_status == 1) { whitelistStartTime = block.timestamp; } } function setTokenURI(string memory _tokenURI) external onlyOwner { tokenURI = _tokenURI; } function _baseURI() internal view virtual override returns (string memory) { return tokenURI; } function getStatus() external view returns (uint8) { if (mintStatus == 1 && block.timestamp >= whitelistStartTime + fcfsStartDelay) { return 2; } return mintStatus; } function whitelistMint(bytes32[] calldata _merkleProof) external canMint { require(mintStatus == 1, "Astra: Whitelist phase not open"); require(!claimed[msg.sender], "Astra: Already minted"); bytes32 leaf = keccak256(abi.encodePacked(msg.sender)); require(MerkleProof.verify(_merkleProof, whitelistMerkleRoot, leaf), "Astra: Invalid proof"); claimed[msg.sender] = true; _mintNFT(msg.sender); } function fcfsMint(bytes32[] calldata _merkleProof) external payable canMint { if (mintStatus == 1 && block.timestamp >= whitelistStartTime + fcfsStartDelay) { mintStatus = 2; } require(mintStatus == 2, "Astra: FCFS phase not open"); require(!claimed[msg.sender], "Astra: Already minted"); bytes32 leaf = keccak256(abi.encodePacked(msg.sender)); require(MerkleProof.verify(_merkleProof, fcfsMerkleRoot, leaf), "Astra: Invalid proof"); claimed[msg.sender] = true; _mintNFT(msg.sender); } function fcfsOpenCountdown() external view returns (uint256) { return whitelistStartTime + fcfsStartDelay - block.timestamp; } function _mintNFT(address _to) internal { uint256 tokenId = _tokenIdCounter; _tokenIdCounter++; _safeMint(_to, tokenId); } function withdraw() external onlyOwner { uint256 balance = address(this).balance; payable(owner()).transfer(balance); } function withdrawERC20(address _token) external onlyOwner { IERC20 token = IERC20(_token); uint256 balance = token.balanceOf(address(this)); token.transfer(owner(), balance); } function withdrawNFT(uint256 _tokenId) external onlyOwner { _transfer(address(this), owner(), _tokenId); } function totalSupply() public view returns (uint256) { return _tokenIdCounter - 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. 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; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol) pragma solidity ^0.8.20; /** * @dev Standard ERC20 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens. */ interface IERC20Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC20InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC20InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers. * @param spender Address that may be allowed to operate on tokens without being their owner. * @param allowance Amount of tokens a `spender` is allowed to operate with. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC20InvalidApprover(address approver); /** * @dev Indicates a failure with the `spender` to be approved. Used in approvals. * @param spender Address that may be allowed to operate on tokens without being their owner. */ error ERC20InvalidSpender(address spender); } /** * @dev Standard ERC721 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens. */ interface IERC721Errors { /** * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20. * Used in balance queries. * @param owner Address of the current owner of a token. */ error ERC721InvalidOwner(address owner); /** * @dev Indicates a `tokenId` whose `owner` is the zero address. * @param tokenId Identifier number of a token. */ error ERC721NonexistentToken(uint256 tokenId); /** * @dev Indicates an error related to the ownership over a particular token. Used in transfers. * @param sender Address whose tokens are being transferred. * @param tokenId Identifier number of a token. * @param owner Address of the current owner of a token. */ error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC721InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC721InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param tokenId Identifier number of a token. */ error ERC721InsufficientApproval(address operator, uint256 tokenId); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC721InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC721InvalidOperator(address operator); } /** * @dev Standard ERC1155 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens. */ interface IERC1155Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. * @param tokenId Identifier number of a token. */ error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC1155InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC1155InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param owner Address of the current owner of a token. */ error ERC1155MissingApprovalForAll(address operator, address owner); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC1155InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC1155InvalidOperator(address operator); /** * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. * Used in batch transfers. * @param idsLength Length of the array of token identifiers * @param valuesLength Length of the array of token amounts */ error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the value of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the value of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves a `value` amount of tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 value) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets a `value` amount of tokens as the allowance of `spender` over the * caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the * allowance mechanism. `value` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.20; import {IERC721} from "./IERC721.sol"; import {IERC721Receiver} from "./IERC721Receiver.sol"; import {IERC721Metadata} from "./extensions/IERC721Metadata.sol"; import {Context} from "../../utils/Context.sol"; import {Strings} from "../../utils/Strings.sol"; import {IERC165, ERC165} from "../../utils/introspection/ERC165.sol"; import {IERC721Errors} from "../../interfaces/draft-IERC6093.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}. */ abstract contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Errors { using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; mapping(uint256 tokenId => address) private _owners; mapping(address owner => uint256) private _balances; mapping(uint256 tokenId => address) private _tokenApprovals; mapping(address owner => mapping(address operator => 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 returns (uint256) { if (owner == address(0)) { revert ERC721InvalidOwner(address(0)); } return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual returns (address) { return _requireOwned(tokenId); } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual returns (string memory) { _requireOwned(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string.concat(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 { _approve(to, tokenId, _msgSender()); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual returns (address) { _requireOwned(tokenId); return _getApproved(tokenId); } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom(address from, address to, uint256 tokenId) public virtual { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } // Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here. address previousOwner = _update(to, tokenId, _msgSender()); if (previousOwner != from) { revert ERC721IncorrectOwner(from, tokenId, previousOwner); } } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId) public { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual { transferFrom(from, to, tokenId); _checkOnERC721Received(from, to, tokenId, data); } /** * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist * * IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the * core ERC721 logic MUST be matched with the use of {_increaseBalance} to keep balances * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`. */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _owners[tokenId]; } /** * @dev Returns the approved address for `tokenId`. Returns 0 if `tokenId` is not minted. */ function _getApproved(uint256 tokenId) internal view virtual returns (address) { return _tokenApprovals[tokenId]; } /** * @dev Returns whether `spender` is allowed to manage `owner`'s tokens, or `tokenId` in * particular (ignoring whether it is owned by `owner`). * * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this * assumption. */ function _isAuthorized(address owner, address spender, uint256 tokenId) internal view virtual returns (bool) { return spender != address(0) && (owner == spender || isApprovedForAll(owner, spender) || _getApproved(tokenId) == spender); } /** * @dev Checks if `spender` can operate on `tokenId`, assuming the provided `owner` is the actual owner. * Reverts if `spender` does not have approval from the provided `owner` for the given token or for all its assets * the `spender` for the specific `tokenId`. * * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this * assumption. */ function _checkAuthorized(address owner, address spender, uint256 tokenId) internal view virtual { if (!_isAuthorized(owner, spender, tokenId)) { if (owner == address(0)) { revert ERC721NonexistentToken(tokenId); } else { revert ERC721InsufficientApproval(spender, tokenId); } } } /** * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override. * * NOTE: the value is limited to type(uint128).max. This protect against _balance overflow. It is unrealistic that * a uint256 would ever overflow from increments when these increments are bounded to uint128 values. * * WARNING: Increasing an account's balance using this function tends to be paired with an override of the * {_ownerOf} function to resolve the ownership of the corresponding tokens so that balances and ownership * remain consistent with one another. */ function _increaseBalance(address account, uint128 value) internal virtual { unchecked { _balances[account] += value; } } /** * @dev Transfers `tokenId` from its current owner to `to`, or alternatively mints (or burns) if the current owner * (or `to`) is the zero address. Returns the owner of the `tokenId` before the update. * * The `auth` argument is optional. If the value passed is non 0, then this function will check that * `auth` is either the owner of the token, or approved to operate on the token (by the owner). * * Emits a {Transfer} event. * * NOTE: If overriding this function in a way that tracks balances, see also {_increaseBalance}. */ function _update(address to, uint256 tokenId, address auth) internal virtual returns (address) { address from = _ownerOf(tokenId); // Perform (optional) operator check if (auth != address(0)) { _checkAuthorized(from, auth, tokenId); } // Execute the update if (from != address(0)) { // Clear approval. No need to re-authorize or emit the Approval event _approve(address(0), tokenId, address(0), false); unchecked { _balances[from] -= 1; } } if (to != address(0)) { unchecked { _balances[to] += 1; } } _owners[tokenId] = to; emit Transfer(from, to, tokenId); return from; } /** * @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 { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } address previousOwner = _update(to, tokenId, address(0)); if (previousOwner != address(0)) { revert ERC721InvalidSender(address(0)); } } /** * @dev Mints `tokenId`, transfers it to `to` and checks for `to` acceptance. * * 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 { _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); _checkOnERC721Received(address(0), to, tokenId, data); } /** * @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 { address previousOwner = _update(address(0), tokenId, address(0)); if (previousOwner == address(0)) { revert ERC721NonexistentToken(tokenId); } } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer(address from, address to, uint256 tokenId) internal { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } address previousOwner = _update(to, tokenId, address(0)); if (previousOwner == address(0)) { revert ERC721NonexistentToken(tokenId); } else if (previousOwner != from) { revert ERC721IncorrectOwner(from, tokenId, previousOwner); } } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients * are aware of the ERC721 standard 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 like {safeTransferFrom} in the sense that it invokes * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `tokenId` token must exist and be owned by `from`. * - `to` cannot be the zero address. * - `from` cannot be the zero address. * - 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) internal { _safeTransfer(from, to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual { _transfer(from, to, tokenId); _checkOnERC721Received(from, to, tokenId, data); } /** * @dev Approve `to` to operate on `tokenId` * * The `auth` argument is optional. If the value passed is non 0, then this function will check that `auth` is * either the owner of the token, or approved to operate on all tokens held by this owner. * * Emits an {Approval} event. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve(address to, uint256 tokenId, address auth) internal { _approve(to, tokenId, auth, true); } /** * @dev Variant of `_approve` with an optional flag to enable or disable the {Approval} event. The event is not * emitted in the context of transfers. */ function _approve(address to, uint256 tokenId, address auth, bool emitEvent) internal virtual { // Avoid reading the owner unless necessary if (emitEvent || auth != address(0)) { address owner = _requireOwned(tokenId); // We do not use _isAuthorized because single-token approvals should not be able to call approve if (auth != address(0) && owner != auth && !isApprovedForAll(owner, auth)) { revert ERC721InvalidApprover(auth); } if (emitEvent) { emit Approval(owner, to, tokenId); } } _tokenApprovals[tokenId] = to; } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Requirements: * - operator can't be the address zero. * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll(address owner, address operator, bool approved) internal virtual { if (operator == address(0)) { revert ERC721InvalidOperator(operator); } _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` doesn't have a current owner (it hasn't been minted, or it has been burned). * Returns the owner. * * Overrides to ownership logic should be done to {_ownerOf}. */ function _requireOwned(uint256 tokenId) internal view returns (address) { address owner = _ownerOf(tokenId); if (owner == address(0)) { revert ERC721NonexistentToken(tokenId); } return owner; } /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target address. This will revert if the * recipient doesn't accept the token transfer. 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 */ function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory data) private { if (to.code.length > 0) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { if (retval != IERC721Receiver.onERC721Received.selector) { revert ERC721InvalidReceiver(to); } } catch (bytes memory reason) { if (reason.length == 0) { revert ERC721InvalidReceiver(to); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.20; import {IERC721} from "../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 v5.0.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.20; import {IERC165} from "../../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 address zero. * * 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 v5.0.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.20; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be * reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @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; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.20; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The tree and the proofs can be generated using our * https://github.com/OpenZeppelin/merkle-tree[JavaScript library]. * You will find a quickstart guide in the readme. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the Merkle tree could be reinterpreted as a leaf value. * OpenZeppelin's JavaScript library generates Merkle trees that are safe * against this attack out of the box. */ library MerkleProof { /** *@dev The multiproof provided is not valid. */ error MerkleProofInvalidMultiproof(); /** * @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} */ 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. */ 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} */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a Merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details. */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details. */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false * respectively. * * CAUTION: Not all Merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer). */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuilds 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 proofLen = proof.length; uint256 totalHashes = proofFlags.length; // Check proof validity. if (leavesLen + proofLen != totalHashes + 1) { revert MerkleProofInvalidMultiproof(); } // 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 from 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) { if (proofPos != proofLen) { revert MerkleProofInvalidMultiproof(); } unchecked { return hashes[totalHashes - 1]; } } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof}. * * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details. */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuilds 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 proofLen = proof.length; uint256 totalHashes = proofFlags.length; // Check proof validity. if (leavesLen + proofLen != totalHashes + 1) { revert MerkleProofInvalidMultiproof(); } // 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 from 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) { if (proofPos != proofLen) { revert MerkleProofInvalidMultiproof(); } unchecked { return hashes[totalHashes - 1]; } } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Sorts the pair (a, b) and hashes the result. */ function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } /** * @dev Implementation of keccak256(abi.encode(a, b)) that doesn't allocate or expand memory. */ 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 v5.0.0) (utils/introspection/ERC165.sol) pragma solidity ^0.8.20; import {IERC165} from "./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); * } * ``` */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol) pragma solidity ^0.8.20; /** * @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 v5.0.0) (utils/math/Math.sol) pragma solidity ^0.8.20; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the 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 towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. return a / b; } // (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 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 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. uint256 twos = denominator & (0 - denominator); 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 (unsignedRoundsUp(rounding) && 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 * towards zero. * * 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 + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * 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 + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * 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 + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * 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 256, 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 + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @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), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @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) { uint256 localValue = value; 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_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } 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); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); } }
{ "metadata": { "bytecodeHash": "none" }, "optimizer": { "enabled": true, "runs": 99999 }, "viaIR": false, "evmVersion": "paris", "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":"address","name":"_owner","type":"address"},{"internalType":"string","name":"_tokenURI","type":"string"},{"internalType":"uint256","name":"_maxSupply","type":"uint256"},{"internalType":"bytes32","name":"_whitelistMerkleRoot","type":"bytes32"},{"internalType":"bytes32","name":"_fcfsMerkleRoot","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"name":"ERC721IncorrectOwner","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ERC721InsufficientApproval","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC721InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"ERC721InvalidOperator","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"ERC721InvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC721InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC721InvalidSender","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ERC721NonexistentToken","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"claimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fcfsMerkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"fcfsMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"fcfsOpenCountdown","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fcfsStartDelay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getStatus","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintStatus","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setFCFSMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"_status","type":"uint8"}],"name":"setMintStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_tokenURI","type":"string"}],"name":"setTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setWhitelistMerkleRoot","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":[],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"whitelistMerkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"whitelistMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"whitelistStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"withdrawERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"withdrawNFT","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
6001600755600b805460ff1916905560a060405260006080908152600c90620000299082620001dc565b503480156200003757600080fd5b5060405162002ca938038062002ca98339810160408190526200005a916200035a565b84878760006200006b8382620001dc565b5060016200007a8282620001dc565b5050506001600160a01b038116620000ac57604051631e4fbdf760e01b81526000600482015260240160405180910390fd5b620000b781620000e3565b5060088390556009829055600a819055600c620000d58582620001dc565b50505050505050506200042a565b600680546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b634e487b7160e01b600052604160045260246000fd5b600181811c908216806200016057607f821691505b6020821081036200018157634e487b7160e01b600052602260045260246000fd5b50919050565b601f821115620001d7576000816000526020600020601f850160051c81016020861015620001b25750805b601f850160051c820191505b81811015620001d357828155600101620001be565b5050505b505050565b81516001600160401b03811115620001f857620001f862000135565b62000210816200020984546200014b565b8462000187565b602080601f8311600181146200024857600084156200022f5750858301515b600019600386901b1c1916600185901b178555620001d3565b600085815260208120601f198616915b82811015620002795788860151825594840194600190910190840162000258565b5085821015620002985787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b600082601f830112620002ba57600080fd5b81516001600160401b0380821115620002d757620002d762000135565b604051601f8301601f19908116603f0116810190828211818310171562000302576200030262000135565b81604052838152602092508660208588010111156200032057600080fd5b600091505b8382101562000344578582018301518183018401529082019062000325565b6000602085830101528094505050505092915050565b600080600080600080600060e0888a0312156200037657600080fd5b87516001600160401b03808211156200038e57600080fd5b6200039c8b838c01620002a8565b985060208a0151915080821115620003b357600080fd5b620003c18b838c01620002a8565b60408b015190985091506001600160a01b0382168214620003e157600080fd5b60608a015191965080821115620003f757600080fd5b50620004068a828b01620002a8565b9450506080880151925060a0880151915060c0880151905092959891949750929550565b61286f806200043a6000396000f3fe60806040526004361061024f5760003560e01c80638da5cb5b11610138578063bd32fb66116100b0578063e0df5b6f1161007f578063f2fde38b11610064578063f2fde38b14610691578063f4f3b200146106b1578063fdc52b9a146106d157600080fd5b8063e0df5b6f1461061b578063e985e9c51461063b57600080fd5b8063bd32fb6614610595578063c87b56dd146105b5578063c884ef83146105d5578063d5abeb011461060557600080fd5b80639da3f8fd11610107578063aa98e0c6116100ec578063aa98e0c61461054a578063accfa8f314610560578063b88d4fde1461057557600080fd5b80639da3f8fd14610510578063a22cb4651461052a57600080fd5b80638da5cb5b146104a45780639292caaf146104cf57806394129fa6146104e557806395d89b41146104fb57600080fd5b80633ccfd60b116101cb57806370a082311161019a5780637bb23e3a1161017f5780637bb23e3a1461045b5780637f3276bb14610471578063814c8c551461048457600080fd5b806370a0823114610426578063715018a61461044657600080fd5b80633ccfd60b146103aa57806342842e0e146103bf5780634e69d560146103df5780636352211e1461040657600080fd5b8063095ea7b31161022257806323b872dd1161020757806323b872dd14610355578063372f657c146103755780633c130d901461039557600080fd5b8063095ea7b31461031257806318160ddd1461033257600080fd5b806301ffc9a714610254578063023245d71461028957806306fdde03146102ab578063081812fc146102cd575b600080fd5b34801561026057600080fd5b5061027461026f366004612125565b6106f1565b60405190151581526020015b60405180910390f35b34801561029557600080fd5b506102a96102a4366004612142565b6107d6565b005b3480156102b757600080fd5b506102c061080a565b60405161028091906121c9565b3480156102d957600080fd5b506102ed6102e8366004612142565b61089c565b60405173ffffffffffffffffffffffffffffffffffffffff9091168152602001610280565b34801561031e57600080fd5b506102a961032d366004612205565b6108d2565b34801561033e57600080fd5b506103476108e1565b604051908152602001610280565b34801561036157600080fd5b506102a961037036600461222f565b6108f7565b34801561038157600080fd5b506102a961039036600461226b565b6109ed565b3480156103a157600080fd5b506102c0610c7d565b3480156103b657600080fd5b506102a9610d0b565b3480156103cb57600080fd5b506102a96103da36600461222f565b610d78565b3480156103eb57600080fd5b506103f4610d93565b60405160ff9091168152602001610280565b34801561041257600080fd5b506102ed610421366004612142565b610dcf565b34801561043257600080fd5b506103476104413660046122e0565b610dda565b34801561045257600080fd5b506102a9610e55565b34801561046757600080fd5b50610347600a5481565b6102a961047f36600461226b565b610e69565b34801561049057600080fd5b506102a961049f3660046122fb565b6110a2565b3480156104b057600080fd5b5060065473ffffffffffffffffffffffffffffffffffffffff166102ed565b3480156104db57600080fd5b50610347600e5481565b3480156104f157600080fd5b5061034761546081565b34801561050757600080fd5b506102c06110e8565b34801561051c57600080fd5b50600b546103f49060ff1681565b34801561053657600080fd5b506102a961054536600461232c565b6110f7565b34801561055657600080fd5b5061034760095481565b34801561056c57600080fd5b50610347611102565b34801561058157600080fd5b506102a9610590366004612426565b61111f565b3480156105a157600080fd5b506102a96105b0366004612142565b611136565b3480156105c157600080fd5b506102c06105d0366004612142565b611143565b3480156105e157600080fd5b506102746105f03660046122e0565b600d6020526000908152604090205460ff1681565b34801561061157600080fd5b5061034760085481565b34801561062757600080fd5b506102a96106363660046124a2565b6111ab565b34801561064757600080fd5b506102746106563660046124eb565b73ffffffffffffffffffffffffffffffffffffffff918216600090815260056020908152604080832093909416825291909152205460ff1690565b34801561069d57600080fd5b506102a96106ac3660046122e0565b6111bf565b3480156106bd57600080fd5b506102a96106cc3660046122e0565b611220565b3480156106dd57600080fd5b506102a96106ec366004612142565b61138e565b60007fffffffff0000000000000000000000000000000000000000000000000000000082167f80ac58cd00000000000000000000000000000000000000000000000000000000148061078457507fffffffff0000000000000000000000000000000000000000000000000000000082167f5b5e139f00000000000000000000000000000000000000000000000000000000145b806107d057507f01ffc9a7000000000000000000000000000000000000000000000000000000007fffffffff000000000000000000000000000000000000000000000000000000008316145b92915050565b6107de61139b565b6108073061080160065473ffffffffffffffffffffffffffffffffffffffff1690565b836113ee565b50565b6060600080546108199061251e565b80601f01602080910402602001604051908101604052809291908181526020018280546108459061251e565b80156108925780601f1061086757610100808354040283529160200191610892565b820191906000526020600020905b81548152906001019060200180831161087557829003601f168201915b5050505050905090565b60006108a78261152a565b5060008281526004602052604090205473ffffffffffffffffffffffffffffffffffffffff166107d0565b6108dd828233611589565b5050565b600060016007546108f291906125a0565b905090565b73ffffffffffffffffffffffffffffffffffffffff821661094c576040517f64a0ae92000000000000000000000000000000000000000000000000000000008152600060048201526024015b60405180910390fd5b6000610959838333611596565b90508373ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff16146109e7576040517f64283d7b00000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff80861660048301526024820184905282166044820152606401610943565b50505050565b6008546007541115610a5b576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601d60248201527f41737472613a2045786365656473206d6178696d756d20737570706c790000006044820152606401610943565b600b5460ff16600114610aca576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601f60248201527f41737472613a2057686974656c697374207068617365206e6f74206f70656e006044820152606401610943565b336000908152600d602052604090205460ff1615610b44576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601560248201527f41737472613a20416c7265616479206d696e74656400000000000000000000006044820152606401610943565b6040517fffffffffffffffffffffffffffffffffffffffff0000000000000000000000003360601b166020820152600090603401604051602081830303815290604052805190602001209050610bd1838380806020026020016040519081016040528093929190818152602001838360200280828437600092019190915250506009549150849050611713565b610c37576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601460248201527f41737472613a20496e76616c69642070726f6f660000000000000000000000006044820152606401610943565b336000818152600d6020526040902080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00166001179055610c7890611729565b505050565b600c8054610c8a9061251e565b80601f0160208091040260200160405190810160405280929190818152602001828054610cb69061251e565b8015610d035780601f10610cd857610100808354040283529160200191610d03565b820191906000526020600020905b815481529060010190602001808311610ce657829003601f168201915b505050505081565b610d1361139b565b47610d3360065473ffffffffffffffffffffffffffffffffffffffff1690565b73ffffffffffffffffffffffffffffffffffffffff166108fc829081150290604051600060405180830381858888f193505050501580156108dd573d6000803e3d6000fd5b610c788383836040518060200160405280600081525061111f565b600b5460009060ff166001148015610dba5750615460600e54610db691906125b3565b4210155b15610dc55750600290565b50600b5460ff1690565b60006107d08261152a565b600073ffffffffffffffffffffffffffffffffffffffff8216610e2c576040517f89c62b6400000000000000000000000000000000000000000000000000000000815260006004820152602401610943565b5073ffffffffffffffffffffffffffffffffffffffff1660009081526003602052604090205490565b610e5d61139b565b610e67600061174a565b565b6008546007541115610ed7576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601d60248201527f41737472613a2045786365656473206d6178696d756d20737570706c790000006044820152606401610943565b600b5460ff166001148015610efb5750615460600e54610ef791906125b3565b4210155b15610f2c57600b80547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff001660021790555b600b5460ff16600214610f9b576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601a60248201527f41737472613a2046434653207068617365206e6f74206f70656e0000000000006044820152606401610943565b336000908152600d602052604090205460ff1615611015576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601560248201527f41737472613a20416c7265616479206d696e74656400000000000000000000006044820152606401610943565b6040517fffffffffffffffffffffffffffffffffffffffff0000000000000000000000003360601b166020820152600090603401604051602081830303815290604052805190602001209050610bd183838080602002602001604051908101604052809392919081815260200183836020028082843760009201919091525050600a549150849050611713565b6110aa61139b565b600b80547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff001660ff83169081179091556001036108075742600e5550565b6060600180546108199061251e565b6108dd3383836117c1565b600042615460600e5461111591906125b3565b6108f291906125a0565b61112a8484846108f7565b6109e7848484846118be565b61113e61139b565b600955565b606061114e8261152a565b506000611159611ab5565b9050600081511161117957604051806020016040528060008152506111a4565b8061118384611ac4565b6040516020016111949291906125c6565b6040516020818303038152906040525b9392505050565b6111b361139b565b600c6108dd8282612645565b6111c761139b565b73ffffffffffffffffffffffffffffffffffffffff8116611217576040517f1e4fbdf700000000000000000000000000000000000000000000000000000000815260006004820152602401610943565b6108078161174a565b61122861139b565b6040517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152819060009073ffffffffffffffffffffffffffffffffffffffff8316906370a0823190602401602060405180830381865afa158015611297573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906112bb919061275f565b90508173ffffffffffffffffffffffffffffffffffffffff1663a9059cbb6112f860065473ffffffffffffffffffffffffffffffffffffffff1690565b6040517fffffffff0000000000000000000000000000000000000000000000000000000060e084901b16815273ffffffffffffffffffffffffffffffffffffffff9091166004820152602481018490526044016020604051808303816000875af115801561136a573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906109e79190612778565b61139661139b565b600a55565b60065473ffffffffffffffffffffffffffffffffffffffff163314610e67576040517f118cdaa7000000000000000000000000000000000000000000000000000000008152336004820152602401610943565b73ffffffffffffffffffffffffffffffffffffffff821661143e576040517f64a0ae9200000000000000000000000000000000000000000000000000000000815260006004820152602401610943565b600061144c83836000611596565b905073ffffffffffffffffffffffffffffffffffffffff811661149e576040517f7e27328900000000000000000000000000000000000000000000000000000000815260048101839052602401610943565b8373ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff16146109e7576040517f64283d7b00000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff80861660048301526024820184905282166044820152606401610943565b60008181526002602052604081205473ffffffffffffffffffffffffffffffffffffffff16806107d0576040517f7e27328900000000000000000000000000000000000000000000000000000000815260048101849052602401610943565b610c788383836001611b82565b60008281526002602052604081205473ffffffffffffffffffffffffffffffffffffffff908116908316156115d0576115d0818486611d4d565b73ffffffffffffffffffffffffffffffffffffffff811615611646576115fa600085600080611b82565b73ffffffffffffffffffffffffffffffffffffffff8116600090815260036020526040902080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0190555b73ffffffffffffffffffffffffffffffffffffffff85161561168f5773ffffffffffffffffffffffffffffffffffffffff85166000908152600360205260409020805460010190555b60008481526002602052604080822080547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff89811691821790925591518793918516917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4949350505050565b6000826117208584611dfd565b14949350505050565b60078054908190600061173b83612795565b91905055506108dd8282611e40565b6006805473ffffffffffffffffffffffffffffffffffffffff8381167fffffffffffffffffffffffff0000000000000000000000000000000000000000831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b73ffffffffffffffffffffffffffffffffffffffff8216611826576040517f5b08ba1800000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff83166004820152602401610943565b73ffffffffffffffffffffffffffffffffffffffff83811660008181526005602090815260408083209487168084529482529182902080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff001686151590811790915591519182527f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a3505050565b73ffffffffffffffffffffffffffffffffffffffff83163b156109e7576040517f150b7a0200000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff84169063150b7a02906119339033908890879087906004016127cd565b6020604051808303816000875af192505050801561198c575060408051601f3d9081017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe016820190925261198991810190612816565b60015b611a1b573d8080156119ba576040519150601f19603f3d011682016040523d82523d6000602084013e6119bf565b606091505b508051600003611a13576040517f64a0ae9200000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff85166004820152602401610943565b805181602001fd5b7fffffffff0000000000000000000000000000000000000000000000000000000081167f150b7a020000000000000000000000000000000000000000000000000000000014611aae576040517f64a0ae9200000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff85166004820152602401610943565b5050505050565b6060600c80546108199061251e565b60606000611ad183611e5a565b600101905060008167ffffffffffffffff811115611af157611af1612363565b6040519080825280601f01601f191660200182016040528015611b1b576020820181803683370190505b5090508181016020015b7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff017f3031323334353637383961626364656600000000000000000000000000000000600a86061a8153600a8504945084611b2557509392505050565b8080611ba3575073ffffffffffffffffffffffffffffffffffffffff821615155b15611cf8576000611bb38461152a565b905073ffffffffffffffffffffffffffffffffffffffff831615801590611c0657508273ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff1614155b8015611c45575073ffffffffffffffffffffffffffffffffffffffff80821660009081526005602090815260408083209387168352929052205460ff16155b15611c94576040517fa9fbf51f00000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff84166004820152602401610943565b8115611cf657838573ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45b505b5050600090815260046020526040902080547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff92909216919091179055565b611d58838383611f3c565b610c785773ffffffffffffffffffffffffffffffffffffffff8316611dac576040517f7e27328900000000000000000000000000000000000000000000000000000000815260048101829052602401610943565b6040517f177e802f00000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff8316600482015260248101829052604401610943565b600081815b8451811015611e3857611e2e82868381518110611e2157611e21612833565b6020026020010151612003565b9150600101611e02565b509392505050565b6108dd82826040518060200160405280600081525061202f565b6000807a184f03e93ff9f4daa797ed6e38ed64bf6a1f0100000000000000008310611ea3577a184f03e93ff9f4daa797ed6e38ed64bf6a1f010000000000000000830492506040015b6d04ee2d6d415b85acef81000000008310611ecf576d04ee2d6d415b85acef8100000000830492506020015b662386f26fc100008310611eed57662386f26fc10000830492506010015b6305f5e1008310611f05576305f5e100830492506008015b6127108310611f1957612710830492506004015b60648310611f2b576064830492506002015b600a83106107d05760010192915050565b600073ffffffffffffffffffffffffffffffffffffffff831615801590611ffb57508273ffffffffffffffffffffffffffffffffffffffff168473ffffffffffffffffffffffffffffffffffffffff161480611fca575073ffffffffffffffffffffffffffffffffffffffff80851660009081526005602090815260408083209387168352929052205460ff165b80611ffb575060008281526004602052604090205473ffffffffffffffffffffffffffffffffffffffff8481169116145b949350505050565b600081831061201f5760008281526020849052604090206111a4565b5060009182526020526040902090565b6120398383612046565b610c7860008484846118be565b73ffffffffffffffffffffffffffffffffffffffff8216612096576040517f64a0ae9200000000000000000000000000000000000000000000000000000000815260006004820152602401610943565b60006120a483836000611596565b905073ffffffffffffffffffffffffffffffffffffffff811615610c78576040517f73c6ac6e00000000000000000000000000000000000000000000000000000000815260006004820152602401610943565b7fffffffff000000000000000000000000000000000000000000000000000000008116811461080757600080fd5b60006020828403121561213757600080fd5b81356111a4816120f7565b60006020828403121561215457600080fd5b5035919050565b60005b8381101561217657818101518382015260200161215e565b50506000910152565b6000815180845261219781602086016020860161215b565b601f017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0169290920160200192915050565b6020815260006111a4602083018461217f565b803573ffffffffffffffffffffffffffffffffffffffff8116811461220057600080fd5b919050565b6000806040838503121561221857600080fd5b612221836121dc565b946020939093013593505050565b60008060006060848603121561224457600080fd5b61224d846121dc565b925061225b602085016121dc565b9150604084013590509250925092565b6000806020838503121561227e57600080fd5b823567ffffffffffffffff8082111561229657600080fd5b818501915085601f8301126122aa57600080fd5b8135818111156122b957600080fd5b8660208260051b85010111156122ce57600080fd5b60209290920196919550909350505050565b6000602082840312156122f257600080fd5b6111a4826121dc565b60006020828403121561230d57600080fd5b813560ff811681146111a457600080fd5b801515811461080757600080fd5b6000806040838503121561233f57600080fd5b612348836121dc565b915060208301356123588161231e565b809150509250929050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fd5b600067ffffffffffffffff808411156123ad576123ad612363565b604051601f85017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0908116603f011681019082821181831017156123f3576123f3612363565b8160405280935085815286868601111561240c57600080fd5b858560208301376000602087830101525050509392505050565b6000806000806080858703121561243c57600080fd5b612445856121dc565b9350612453602086016121dc565b925060408501359150606085013567ffffffffffffffff81111561247657600080fd5b8501601f8101871361248757600080fd5b61249687823560208401612392565b91505092959194509250565b6000602082840312156124b457600080fd5b813567ffffffffffffffff8111156124cb57600080fd5b8201601f810184136124dc57600080fd5b611ffb84823560208401612392565b600080604083850312156124fe57600080fd5b612507836121dc565b9150612515602084016121dc565b90509250929050565b600181811c9082168061253257607f821691505b60208210810361256b577f4e487b7100000000000000000000000000000000000000000000000000000000600052602260045260246000fd5b50919050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b818103818111156107d0576107d0612571565b808201808211156107d0576107d0612571565b600083516125d881846020880161215b565b8351908301906125ec81836020880161215b565b01949350505050565b601f821115610c78576000816000526020600020601f850160051c8101602086101561261e5750805b601f850160051c820191505b8181101561263d5782815560010161262a565b505050505050565b815167ffffffffffffffff81111561265f5761265f612363565b6126738161266d845461251e565b846125f5565b602080601f8311600181146126c657600084156126905750858301515b7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600386901b1c1916600185901b17855561263d565b6000858152602081207fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe08616915b82811015612713578886015182559484019460019091019084016126f4565b508582101561274f57878501517fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600388901b60f8161c191681555b5050505050600190811b01905550565b60006020828403121561277157600080fd5b5051919050565b60006020828403121561278a57600080fd5b81516111a48161231e565b60007fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff82036127c6576127c6612571565b5060010190565b600073ffffffffffffffffffffffffffffffffffffffff80871683528086166020840152508360408301526080606083015261280c608083018461217f565b9695505050505050565b60006020828403121561282857600080fd5b81516111a4816120f7565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052603260045260246000fdfea164736f6c6343000817000a00000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000b1ac39a9078056ae063618ed9e2f54d04f8196ee000000000000000000000000000000000000000000000000000000000000016000000000000000000000000000000000000000000000000000000000000003204ea1eade3f387ec727e57108e0beeb2469f4ebf7159bfa2d972f0cc9df3d54912a928a54d7ed1a81c31c5b8f82d0a4515febade6c0e87680812f9411a8911808000000000000000000000000000000000000000000000000000000000000001141535452412047454e45534953204e4654000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001141535452412047454e45534953204e4654000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005368747470733a2f2f6261667962656963666475716f63756f6769616b376736617965336937626c7662696d356a6c6b78367a6a6d6e73706437666276726777687066652e697066732e647765622e6c696e6b2f00000000000000000000000000
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000b1ac39a9078056ae063618ed9e2f54d04f8196ee000000000000000000000000000000000000000000000000000000000000016000000000000000000000000000000000000000000000000000000000000003204ea1eade3f387ec727e57108e0beeb2469f4ebf7159bfa2d972f0cc9df3d54912a928a54d7ed1a81c31c5b8f82d0a4515febade6c0e87680812f9411a8911808000000000000000000000000000000000000000000000000000000000000001141535452412047454e45534953204e4654000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001141535452412047454e45534953204e4654000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005368747470733a2f2f6261667962656963666475716f63756f6769616b376736617965336937626c7662696d356a6c6b78367a6a6d6e73706437666276726777687066652e697066732e647765622e6c696e6b2f00000000000000000000000000
-----Decoded View---------------
Arg [0] : name (string): ASTRA GENESIS NFT
Arg [1] : symbol (string): ASTRA GENESIS NFT
Arg [2] : _owner (address): 0xb1AC39A9078056Ae063618Ed9E2F54d04f8196eE
Arg [3] : _tokenURI (string): https://bafybeicfduqocuogiak7g6aye3i7blvbim5jlkx6zjmnspd7fbvrgwhpfe.ipfs.dweb.link/
Arg [4] : _maxSupply (uint256): 800
Arg [5] : _whitelistMerkleRoot (bytes32): 0x4ea1eade3f387ec727e57108e0beeb2469f4ebf7159bfa2d972f0cc9df3d5491
Arg [6] : _fcfsMerkleRoot (bytes32): 0x2a928a54d7ed1a81c31c5b8f82d0a4515febade6c0e87680812f9411a8911808
-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [2] : 000000000000000000000000b1ac39a9078056ae063618ed9e2f54d04f8196ee
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000160
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000320
Arg [5] : 4ea1eade3f387ec727e57108e0beeb2469f4ebf7159bfa2d972f0cc9df3d5491
Arg [6] : 2a928a54d7ed1a81c31c5b8f82d0a4515febade6c0e87680812f9411a8911808
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000011
Arg [8] : 41535452412047454e45534953204e4654000000000000000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000011
Arg [10] : 41535452412047454e45534953204e4654000000000000000000000000000000
Arg [11] : 0000000000000000000000000000000000000000000000000000000000000053
Arg [12] : 68747470733a2f2f6261667962656963666475716f63756f6769616b37673661
Arg [13] : 7965336937626c7662696d356a6c6b78367a6a6d6e7370643766627672677768
Arg [14] : 7066652e697066732e647765622e6c696e6b2f00000000000000000000000000
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.