Contract Source Code:
File 1 of 1 : FatChoy
// SPDX-License-Identifier: MIT
/**
@title ERC721 NFT for FatChoy
@author KontonLorenz
@dev Built on the back of the Hashlips NFT Contract template - which itself is built on openzepplin's repository
@notice Fat Choys are here to bring prosperity to 2022 - Get them before it's too late!
*/
// File: @openzeppelin/contracts/utils/introspection/IERC165.sol
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721.sol
pragma solidity ^0.8.0;
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}
// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol
pragma solidity ^0.8.0;
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Enumerable is IERC721 {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns a token ID owned by `owner` at a given `index` of its token list.
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
/**
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
* Use along with {totalSupply} to enumerate all tokens.
*/
function tokenByIndex(uint256 index) external view returns (uint256);
}
// File: @openzeppelin/contracts/utils/introspection/ERC165.sol
pragma solidity ^0.8.0;
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
// File: @openzeppelin/contracts/utils/Strings.sol
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
// File: @openzeppelin/contracts/utils/Address.sol
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol
pragma solidity ^0.8.0;
/**
* @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);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol
pragma solidity ^0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
// File: @openzeppelin/contracts/utils/Context.sol
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/token/ERC721/ERC721.sol
pragma solidity ^0.8.0;
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension, but not including the Enumerable extension, which is available separately as
* {ERC721Enumerable}.
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings for uint256;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to owner address
mapping(uint256 => address) private _owners;
// Mapping owner address to token count
mapping(address => uint256) private _balances;
// Mapping from token ID to approved address
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, can be overriden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return "";
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver.onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
}
// File: @openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol
pragma solidity ^0.8.0;
/**
* @dev This implements an optional extension of {ERC721} defined in the EIP that adds
* enumerability of all the token ids in the contract as well as all token ids owned by each
* account.
*/
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
// Mapping from owner to list of owned token IDs
mapping(address => mapping(uint256 => uint256)) private _ownedTokens;
// Mapping from token ID to index of the owner tokens list
mapping(uint256 => uint256) private _ownedTokensIndex;
// Array with all token ids, used for enumeration
uint256[] private _allTokens;
// Mapping from token id to position in the allTokens array
mapping(uint256 => uint256) private _allTokensIndex;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
return _ownedTokens[owner][index];
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _allTokens.length;
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
return _allTokens[index];
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual override {
super._beforeTokenTransfer(from, to, tokenId);
if (from == address(0)) {
_addTokenToAllTokensEnumeration(tokenId);
} else if (from != to) {
_removeTokenFromOwnerEnumeration(from, tokenId);
}
if (to == address(0)) {
_removeTokenFromAllTokensEnumeration(tokenId);
} else if (to != from) {
_addTokenToOwnerEnumeration(to, tokenId);
}
}
/**
* @dev Private function to add a token to this extension's ownership-tracking data structures.
* @param to address representing the new owner of the given token ID
* @param tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
uint256 length = ERC721.balanceOf(to);
_ownedTokens[to][length] = tokenId;
_ownedTokensIndex[tokenId] = length;
}
/**
* @dev Private function to add a token to this extension's token tracking data structures.
* @param tokenId uint256 ID of the token to be added to the tokens list
*/
function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
_allTokensIndex[tokenId] = _allTokens.length;
_allTokens.push(tokenId);
}
/**
* @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
* while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
* gas optimizations e.g. when performing a transfer operation (avoiding double writes).
* This has O(1) time complexity, but alters the order of the _ownedTokens array.
* @param from address representing the previous owner of the given token ID
* @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
// To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
// then delete the last slot (swap and pop).
uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
uint256 tokenIndex = _ownedTokensIndex[tokenId];
// When the token to delete is the last token, the swap operation is unnecessary
if (tokenIndex != lastTokenIndex) {
uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];
_ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
_ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
}
// This also deletes the contents at the last position of the array
delete _ownedTokensIndex[tokenId];
delete _ownedTokens[from][lastTokenIndex];
}
/**
* @dev Private function to remove a token from this extension's token tracking data structures.
* This has O(1) time complexity, but alters the order of the _allTokens array.
* @param tokenId uint256 ID of the token to be removed from the tokens list
*/
function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
// To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
// then delete the last slot (swap and pop).
uint256 lastTokenIndex = _allTokens.length - 1;
uint256 tokenIndex = _allTokensIndex[tokenId];
// When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
// rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
// an 'if' statement (like in _removeTokenFromOwnerEnumeration)
uint256 lastTokenId = _allTokens[lastTokenIndex];
_allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
_allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
// This also deletes the contents at the last position of the array
delete _allTokensIndex[tokenId];
_allTokens.pop();
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_setOwner(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
pragma solidity >=0.7.0 <0.9.0;
contract FatChoy is ERC721Enumerable, Ownable {
using Strings for uint256;
string baseURI;
string public baseExtension = ".json";
uint256 public cost = 0.08 ether;
uint256 public maxSupply = 8888;
uint256 public maxMintAmount = 20;
bool public paused = true;
bool public revealed = true;
bool public whitelistPaused = true;
string public notRevealedUri;
address[] public whitelist;
constructor(
string memory _name,
string memory _symbol,
string memory _initBaseURI,
string memory _initNotRevealedUri
) ERC721(_name, _symbol) {
setBaseURI(_initBaseURI);
setNotRevealedURI(_initNotRevealedUri);
whitelist = [
0xA327a16b71bA107393E0dC046B0Be0908AA667aD,
0x6CC0d7791db228b66c190462eA19FCa92AA1f25F,
0xc3250be2F664Db7b423973adfd400e4c5541A445,
0x9311D45341b284900711F9BC155ce2E381248c29,
0xb4103329230dB58eA6E2480e4022B577833600dF,
0x8f1CA5Ff845AD2B2527686BC62c3145B92331531,
0x8Da15F7e6bf20Eae393D0210d0F69eA98fC8Ea5e,
0x8791C9057566AF6F55f18FDbeA4465E1B1ee2f8E,
0x08FCa0C57FeC5Cf118A5Bb1474B3dF7942aB877f,
0xFda54B47e5D4762bb43fC282d33279cfd1b2026C,
0xFc9e2CF27dAd13B149dD476eeEd2B46E061A1a6d,
0x7Ea9b8ba0d889Ba42458f657Ed27244AD593dfe7,
0x0929a4109E7BfD43270Aa3C84084168dcE2A2955,
0x9829335c360932CB6C17e5A51836de33A0Ae30ef,
0xc7D47D1f5357Ae5e61BCa9C6D287dF6c5115C415,
0xDEc096F829AAc7bF4b9D927903eF08F51De34a21,
0x61ba11A8E0c7005767929c6781A8d3f322C2886D,
0x954E128f3e3d85ba3aDaFB9d53e7c060833e2Bb0,
0x5a7fFE8A96d7aBfbBE3B4A239130515F7d2E0ec0,
0xbf9Fda32692b25c6083cbe48399eF019B62F0712,
0xd87E0f3F988c2f271CdB2019381b47Ab57115414,
0x52A8d97577983706F91EcA67513a3412F155a166,
0xa516BB97dBC89832e9AA02Ea420E63a67EE2cE53,
0x60EE37531AB136232C8736759F65228129da7a91,
0x4575890793Ac619ac4E5B6f3849beEf5f1E8D928,
0x341D13B93a9e6eC3B9b2B5C3EE7747D6eC95Cf69,
0x062f08f9999a2aeb8235Bb5Fb4B0321C5F6aF10F,
0xc3250be2F664Db7b423973adfd400e4c5541A445,
0x10FBec46F97087503b7c535ba645F33ef1Eb692F,
0x80Cfaf6273eb4C5537914fF492c9a7Ff72DeB433,
0x7919A9C5961d895CDa921F6E0396E40a3d6f7e51,
0x48E31c1048f50Ae93d3Db523129AAfC9De2B2b52,
0x472C4D5EE8B29664a09940e20F2BC871e2b61A06,
0x29104975057C20062596FB755047c1C9fb59daaE,
0x407303a3D2c34196EA610911688472C3A223f51B,
0x97061119a6D30432b0CBD2a28cda2FE8f109e710,
0x6d9ed472Da62B604eD479026185995889ae8f80e,
0x0f17ac7a5f4d6A9b1c5876E98bCFf33Ddf33905a,
0x17e1Ac278b39822AE6B1C8A25b7938ad4672EDC7,
0x6fec6cB90D4bc025D5249F299d640D66FCbfb6eb,
0xb464CA834796272E08Dc6460940B281B046a2cEe,
0x337CfB6E0466977c6419D5DcA8FA8B82904787b1,
0x1482A191208754D05B69c89f499995FC89e4397C,
0x4291156c56f09d7E30B33CEA68BF745dFd475C24,
0xb0C4c6A91a9ed11A89A1EF69de09A3254D6d87E2,
0x9996b0883179B9f27C20BdCB565a041dBca2eebe,
0xfdD6D56486B6A1c1CBFc1a1f6cE2573875DaA7df,
0x744f7738bf3a9446E300FD4E04aF8A2dab1098b5,
0x649cbF9adb764aC365960eE3e43457c4Aab5c319,
0x55beA373713D08023659Caa997e2CC282e9B786e,
0xA10902C668bF73De06471adeF3E47cf56f00602B,
0xaC72BCf83a55713a49A08420477fDf6f3C9b50FE,
0xFC8553A7bb0BbB9a7642ACef2224205334C8Ddc0,
0xeA921aCfe2d96D30690e06b5d4D64be6e1192ce6,
0x3d8a60d69e4Ce4150177B0B77cb9aC093FCC2c43,
0x476799Eaf7A58a7A8ebea73a15FC2B7B834151A4,
0xD7c85b73f7dfb9Ce969025ac931F9C7f17e82Caa,
0x9cA3AC1637680879cDcaCa85d5E25422c05Eb9F8,
0x8068BD398396B060d820745FDE9C545a38bb776d,
0xCE78550a045441905BCEb92C378f67574211439d,
0x815e969a2bf9a910A09eC5A88EC78BDC90e7957D,
0x057C416df3cE3Bd89E86A1fB764B106698048FE7,
0x182B32912D74A620124F7BdC13f6dA38c5DbE8CF,
0x6C134832ba6b733419e27413176d2cf685075401,
0xa516BB97dBC89832e9AA02Ea420E63a67EE2cE53,
0xD827eb2673D3Dc1a7F886413f6f0950Ec2fbBc98,
0x4892cfe386f14Cf8640F6CA124E0F97DC1b7af57,
0xF33fd427e695B63C81F238b5d8EA75Aea31d15a4,
0x2694e8fd3B504Ea897e94391A78F921Ab0250703,
0x607054b35f06c5b5224A5922b214C33D163f4D90,
0x1AA963E68CFDE4dab1Df1E15E70B2BB4103c4848,
0xB71b2eCc3DAa289452d6ff3b34Ef2F5643337505,
0xdfDf2D882D9ebce6c7EAc3DA9AB66cbfDa263781,
0xb0C4c6A91a9ed11A89A1EF69de09A3254D6d87E2,
0xB17C020bb54b2329ddDcD23c668F2e70897Fd7a7,
0xe12d5e83441614303772C851040EdDF12f4E1A9E,
0x281A0eC0A602eB9C9B92a6711941f9D8E93fBB0f,
0xFb7Ac89d730dC18F2FBD86ffc91aD47284D504f4,
0xd9d748a8F2927DEcc92a8e01b732bf4A056C6868,
0xc29249BE70ca601934c8250373203AC03C01C3B3,
0x26bd2f2931e0857D7e749ED4a4a6ecfEd9adc159,
0x76D6c95DF6be289e18c5a682DcC4263eC6DbA53f,
0xC9d8D69A74f2f32f7294d242c7272aa873167b22,
0xad03756c766B32e1ACEfAA28E77d158892b580A6,
0xe96DB623c2CE30F65171F5fc487127748d1065C6,
0x2F8D8846C376bC842Cd9B904C9b505e39A6c54Dc,
0x8C702A9a6e0cd14a53251C630743c4F5327eddE8,
0x6049CEaA510d5E7585A4D7Fa6C102C1bdaaaBaCe,
0x2aEfc99091420218De94D8b446d29F08189a3B0c,
0x6b615390f73Eae2b20C81ab17aBfe8BE7fF57523,
0x24b0842f31748C7c9eD0e69261F5E3578A24D8e1,
0xff87a8C90595171D06c92D6926dBBf43777CF7A3,
0xB2082914a908a91194B3Ad50e5aEe2e7FB77D435,
0xE800D3401cE4dA88D738df0502f5CcD5d1e63083,
0x0908823204A6044981b22d636D15B2A4A1916b3e,
0x1FC7A92b67317CBf8124037bD3A137FcF9ee61E1,
0xb4b81b693F322F6dadac99c9DE4366970e99f6D8,
0xe4e45993cc1718dFB1b7dB2bc72Ac10f0737e74A,
0xB960665D4e601063df28c9067c0d925069cf9142,
0x116c2978B393453D6C2Cb5F6Ab282F898B8BC128,
0x0634e57C875d6Cc0037FA5174e8BAF602eBE8344,
0xB06716762d95080Ef63B74FcEd62F541a48cD660,
0xDafAa782BcD1d519e7374A8D4a33bE8809d2023b,
0xaFa47C5911dc32a9047e983c20E3860C2f303592,
0x59F14A2f59F6d10ac77Ba67576ebE37eda56a064,
0x6D65ACA6c7e880218A26e324E62422743D845316,
0x0b0e6e7235d67E35EA8D736766088A28C1985aFC,
0x2D1E7B6E6284409e16991dE76d2A82847a7d61C5,
0x788c1702D8E34Ec11cbc99Beadc4d3E2d50f89e2,
0x6cf313F417937C6ca5aC85b4Efb4175fBA397C7E,
0xbf45D67779793c5e2387609e497A051e2906c383,
0x887F4ae78D3F2219998b75Bc8fC2C9d9673a942a,
0x39BBFC85f0b4bFFef053cf5Ef31c70B0C9B5Dc9b,
0x4ECF5BC9A031bF984D2a00D3f9eEf0BA6c7f692c,
0x069D3e170f6A0aa557EF97342BAb3063f77c58DB,
0x0eD1f069A895a94eF6866979FDD71F556024D018,
0x06C650E7d03ED5b82ab2a69297888b108E1b0CD1,
0xBBC3d8108069B10a5859a08f31d140b9f357F73f,
0x3C045d92B7c3bb83E2018e2e296F6A0BC0E2eB07,
0x93e266B9a1534acE15314a35D2E8369c30c4f81e,
0xd83577256002E1F54CE8536F1510e175e7D1db17,
0x2C8D2e50Ee03f98A2f4CCFbe1A61552b79bDF6fa,
0xbED050C15224a53a12815Fa79F2B1EF431887Eb2,
0x383234d747497f8E3e0c485f66f52B19227727a6,
0x56fF22798ab380616380eb5af6D055aC91f4b114,
0x53AFdcd8197A9FEF79729f2D6AEE5954aEC1E0D3,
0x69774A09Ca3E16421712E472DCd16a0a98c330DF,
0x379CAdAb8F98bF10121E2e9B7fc02CA802345E8b,
0x476e8C784Cb487Ba1532907556E47AB960F5D137,
0xD952f25A26404E6C1d3E320C7116fc444296a2e7,
0x1F124970A7724F0c4A9159498824D505Fde6f9aA,
0x1A2Cfb4E1eD487c94621C4C8cd73889679D09631,
0x43A76b029EDCdE8E7fC64A8bb0e240b0E642aAeB,
0xeb6f552540468e7E3FCb0aA036C1E71076b67e2C,
0x4dfC3F37a5CeE7Ea111e65D35eCfe61Fdd10fbC5,
0xbED050C15224a53a12815Fa79F2B1EF431887Eb2,
0xAAc21Bb3608D996793E256C0E72305F6a4e2185D,
0x626c19C0EdAc14D34F84e99005c28CfA2Fb2505B,
0x5C30755fb63e910200016A9be44652F20B8d0164,
0xF33364a83b6002D5070EC5FA31F5d9EB93572732,
0x4f8c2d5397262653Cd8956CB977A0bA3660210c7,
0x1Dca1f25E29Ff5C35BFb4a6E39ff872bf717945B,
0x94ff6a83A067cC9E6a4C0767792beDA781a16375,
0x1EC1CcEF3e1735bdA3F4BA698e8a524AA7c93274,
0x59Fc9b09134cAf06eC444d10Ba01D7999f26252b,
0xbe2909813f6F850af99C8b968febF6eb884F1454,
0x14aE683317D9d27957F56C78e9308E7D54BC3b36,
0xe8000117B9fcAA0612D0bB872846eBA74F9AA43D,
0xEE9c816B1FB76DCeE3c82777D7253678B7F8BEdf,
0x15259752Ba5e5708657B2659Aacb543f101D3355,
0x082ed91C65EcbA6Ac147B115f661B1c7b584D23C,
0xd3022599033430bF3fDFb6D9CE41D3CdA7E20245,
0xd1fFdA9C225DDEE34f0837BF4D4a441bDd54C473,
0x7dE1f5eB781edc662472436eEBc09d331FB73261,
0x7f64d79293b8eaB2ad215AA17EEc4733abAA9e62,
0x2434f861cd062A403FfafcC616DeDc81f378b72a,
0x1e252b86616D5ee310b9676977f392b0E84D193F,
0xeBf7c4FCA7318df6ca17cAC473C96F71Fc7704b9,
0xfF9Cfb8eD63fFB4A15e1bDF0451F073155Fd0aa0,
0x3a647b4e245EE3Ec5dfe76fd97FF8f8f367B454B,
0x4f960d763e2d153299F310432fD8e16F75cc9BCa,
0x284F3268d61e07337b6bB461E9994F678b543b10,
0x48513224a50C339d23484c9cd4A95DaB5a9e8862,
0x9902f56BA1054a3025cedaD37654e86512614Af1,
0x8715538b1f9f0402F9175CDc0762bA61A1C35940,
0x2c8694832425742A9445f4896A8897fd8A603251,
0x965E0B3CE256AFB883c4320789d9FddFc51a0AAE,
0xc5912457428bF9dd878F4AFEcC62B52AE977f887,
0x9Faa6b1a8a24701725452262CdcB24C9bDE10efa,
0xB2082914a908a91194B3Ad50e5aEe2e7FB77D435,
0xD50212833C9a1d7be8255744aC0eBabCC3C42eFD,
0xE284A94E532509b99cBDE842a698DC38444bA93E,
0x9902f56BA1054a3025cedaD37654e86512614Af1,
0x6B4Fc8B4c1F60203bd7bE84D85bf8AC6156E2e3f,
0xC38a2306a8bdC16353a283cEC840BbBd5BDf8799,
0xb07BE2f3B41cAF8eBbb911b3786D5Ba9B7aE057e,
0xfd45BA41CFB3FC218565a197405f427c8c65de4a,
0xFAa5D029D4085C604F2CEb8A7a028c22e7398Be3,
0x3C045d92B7c3bb83E2018e2e296F6A0BC0E2eB07,
0x821B6535AA02082a54F35aDaDb8ff2bFd7baFBEB,
0xf5A7a63c642f7E852569A4D1FA546bE587C3322d,
0x3A2Ae8c069C0e8D2b41f5A02A4e1779de3FECFc5,
0x446199dDE35B1D567894B022b1FB86eF13F4001B,
0x4856b9bcb8c467CCd18B920bDE1673c49855cFdf,
0x4c6AB491dE3cdE727D931C079348E700EA675472,
0x4ff08d6Cb961A322e629d4d05b35D548945EfD21,
0x5Af514bC61f2dEB8209F5EC01281fD58FaA0fe04,
0x725A4e8a6687a29F706519584532CB0f1a516430,
0x74961A235B2A402C2Ce571Fa4b38b2dD6b73Db30,
0x8ab83D869f2Bc250b781D26F6584fd5c562FdD9D,
0x8d47F71ae25A18dE8d091C8DeE92b1B4be0Bb590,
0x90214F4d26157CE4bAdf22786Fed2dF45D69d1Ff,
0x95dD010D54Efb6B4fcD040dBBd93eeE8f2acc7a2,
0xA3264a6B18b0e43DA9C7C235B5434294C2f9B10D,
0xa3c5eB3724205D9b134eAE56618C6f69cA57c951,
0xa6a15056f8DA65E91776bfcDb831eCA37E067133,
0xAbC5371f421F5b9f1B02Aa1f9756787Fd3dEA6E4,
0xf45D07e683caE570D56300A108A6D6B1E7F1Dc79,
0xf5962Dd1cfb95Bd15a598b721091B373FcF1e3D1,
0xf75E2e45233c6B4aBd0a48984d280228E620E7e4,
0xD19B33D31c4A654578ECB16163C6e2F1138f5892,
0xE85A3ec4CC1efB0069c638e57216b8fC478be6D6,
0x272BD5A3760Ec5C195b872fAd4B6b3e5A142c575,
0x09EA2FE741AE319207c68738A3275E61ff56Fb96,
0xdFBB06683a882E827907422dbFE836E5430fE2aC,
0x7cB0393740204B1034E58Fddd1580563B6f3c0a3,
0x56348fe5080930CD48aC1E71E9b18CbbDB953B86,
0x8D16e6AF9faa28277B4fef9F7225ab1642a7dC8E,
0x7cc4E967242E1CaD92152d47AE0bB9169e97d553,
0xf4680C0A183f7f0F6a5bb060550140688Bc41042,
0xe9e75190a114E779a27cF5522dd480b90d703A1A,
0xC727D9b5Ab6548890A888A3CC68e0b66eE99030A,
0x84cD3038b7b2983E582092cd4e48761d37BE4348
];
}
// internal
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
// public
function mint(uint256 _mintAmount) public payable {
uint256 supply = totalSupply();
require(!paused);
require(_mintAmount > 0);
require(_mintAmount <= maxMintAmount);
require(supply + _mintAmount <= maxSupply);
if (msg.sender != owner()) {
require(msg.value >= cost * _mintAmount);
}
for (uint256 i = 1; i <= _mintAmount; i++) {
_safeMint(msg.sender, supply + i);
}
}
/**
* @dev Public function for verifying whitelist eligibility
* Called in whitelistMint function
* @param _to verifies the address as eligible for whitelist
*/
function whitelistEligible(address _to) public view returns (bool) {
for (uint i=0; i < whitelist.length; i++) {
if (whitelist[i] == _to) {
return true;
}
}
return false;
}
/**
* @dev Public function for purchasing presale {num} tokens. Requires whitelistEligible()
* Calls _safeMint() for minting process
* @param _mintAmount is the number of NFTs minted (Max is stored in public uint maxMintAmount)
*/
function whitelistMint(uint256 _mintAmount) public payable {
uint256 supply = totalSupply();
require(!whitelistPaused);
require(whitelistEligible(msg.sender));
require(_mintAmount <= maxMintAmount);
require(supply + _mintAmount <= maxSupply);
if (msg.sender != owner()) {
require(msg.value >= cost * _mintAmount);
}
for (uint256 i = 1; i <= _mintAmount; i++) {
_safeMint(msg.sender, supply + i);
}
}
function walletOfOwner(address _owner)
public
view
returns (uint256[] memory)
{
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory tokenIds = new uint256[](ownerTokenCount);
for (uint256 i; i < ownerTokenCount; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
}
return tokenIds;
}
function tokenURI(uint256 tokenId)
public
view
virtual
override
returns (string memory)
{
require(
_exists(tokenId),
"ERC721Metadata: URI query for nonexistent token"
);
if(revealed == false) {
return notRevealedUri;
}
string memory currentBaseURI = _baseURI();
return bytes(currentBaseURI).length > 0
? string(abi.encodePacked(currentBaseURI, tokenId.toString(), baseExtension))
: "";
}
//only owner
function reveal() public onlyOwner {
revealed = true;
}
function setCost(uint256 _newCost) public onlyOwner {
cost = _newCost;
}
function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyOwner {
maxMintAmount = _newmaxMintAmount;
}
function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
notRevealedUri = _notRevealedURI;
}
function setBaseURI(string memory _newBaseURI) public onlyOwner {
baseURI = _newBaseURI;
}
function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
baseExtension = _newBaseExtension;
}
function pause(bool _state) public onlyOwner {
paused = _state;
}
function pauseWL(bool _wlState) public onlyOwner {
whitelistPaused = _wlState;
}
function pushWL(address _to) public onlyOwner {
whitelist.push(_to);
}
function withdraw() public payable onlyOwner {
// This will payout the owner 100% of the contract balance.
// Do not remove this otherwise you will not be able to withdraw the funds.
// =============================================================================
(bool os, ) = payable(owner()).call{value: address(this).balance}("");
require(os);
// =============================================================================
}
}