0x5e...D624
Koala Day
KOALA
Collection
Collection
This contract's source code is verified!
Contract Metadata
Compiler
0.8.9+commit.e5eed63a
Language
Solidity
Contract Source Code
File 1 of 1: KoalaDayContract.sol
//*********************************************************************//
//*********************************************************************//
//
//
// __ __ __ ____
// / //_/___ ____ _/ /___ _ / __ \____ ___ __
// / ,< / __ \/ __ `/ / __ `/ / / / / __ `/ / / /
// / /| / /_/ / /_/ / / /_/ / / /_/ / /_/ / /_/ /
// /_/ |_\____/\__,_/_/\__,_/ /_____/\__,_/\__, /
// / __ )__ __ /____/
// / __ / / / /
// / /_/ / /_/ /
// /_____/\__, /
// ___/____/ __ __
// / __ \_ __/ / / /___ __________ ___ ____ ____
// / / / / |/_/ /_/ / __ `/ ___/ __ `__ \/ __ \/ __ \
// / /_/ /> </ __ / /_/ / / / / / / / / /_/ / / / /
// \____/_/|_/_/ /_/\__,_/_/ /_/ /_/ /_/\____/_/ /_/
//
//
//
//*********************************************************************//
//*********************************************************************//
//-------------DEPENDENCIES--------------------------//
// File: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if account is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, isContract will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on isContract to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's transfer: sends amount wei to
* recipient, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by transfer, making them unable to receive funds via
* transfer. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to recipient, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level call. A
* plain call is an unsafe replacement for a function call: use this
* function instead.
*
* If target reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[abi.decode].
*
* Requirements:
*
* - target must be a contract.
* - calling target with data must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return 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/IERC721Receiver.sol
// OpenZeppelin Contracts v4.4.1 (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/introspection/IERC165.sol
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* interfaceId. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// File: @openzeppelin/contracts/utils/introspection/ERC165.sol
// OpenZeppelin Contracts v4.4.1 (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/token/ERC721/IERC721.sol
// OpenZeppelin Contracts v4.4.1 (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
// OpenZeppelin Contracts (last updated v4.5.0) (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);
/**
* @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/token/ERC721/extensions/IERC721Metadata.sol
// OpenZeppelin Contracts v4.4.1 (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/utils/Strings.sol
// OpenZeppelin Contracts v4.4.1 (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/security/ReentrancyGuard.sol
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from ReentrancyGuard will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single nonReentrant guard, functions marked as
* nonReentrant may not call one another. This can be worked around by making
* those functions private, and then adding external nonReentrant entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a nonReentrant function from another nonReentrant
* function is not supported. It is possible to prevent this from happening
* by making the nonReentrant function external, and making it call a
* private function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts v4.4.1 (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() {
_transferOwnership(_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.
*/
function _onlyOwner() private view {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
modifier onlyOwner() {
_onlyOwner();
_;
}
/**
* @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 {
_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 {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_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);
}
}
// File contracts/OperatorFilter/IOperatorFilterRegistry.sol
pragma solidity ^0.8.9;
interface IOperatorFilterRegistry {
function isOperatorAllowed(address registrant, address operator) external view returns (bool);
function register(address registrant) external;
function registerAndSubscribe(address registrant, address subscription) external;
function registerAndCopyEntries(address registrant, address registrantToCopy) external;
function updateOperator(address registrant, address operator, bool filtered) external;
function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
function subscribe(address registrant, address registrantToSubscribe) external;
function unsubscribe(address registrant, bool copyExistingEntries) external;
function subscriptionOf(address addr) external returns (address registrant);
function subscribers(address registrant) external returns (address[] memory);
function subscriberAt(address registrant, uint256 index) external returns (address);
function copyEntriesOf(address registrant, address registrantToCopy) external;
function isOperatorFiltered(address registrant, address operator) external returns (bool);
function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
function filteredOperators(address addr) external returns (address[] memory);
function filteredCodeHashes(address addr) external returns (bytes32[] memory);
function filteredOperatorAt(address registrant, uint256 index) external returns (address);
function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
function isRegistered(address addr) external returns (bool);
function codeHashOf(address addr) external returns (bytes32);
}
// File contracts/OperatorFilter/OperatorFilterer.sol
pragma solidity ^0.8.9;
abstract contract OperatorFilterer {
error OperatorNotAllowed(address operator);
IOperatorFilterRegistry constant operatorFilterRegistry =
IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);
constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
// If an inheriting token contract is deployed to a network without the registry deployed, the modifier
// will not revert, but the contract will need to be registered with the registry once it is deployed in
// order for the modifier to filter addresses.
if (address(operatorFilterRegistry).code.length > 0) {
if (subscribe) {
operatorFilterRegistry.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
} else {
if (subscriptionOrRegistrantToCopy != address(0)) {
operatorFilterRegistry.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
} else {
operatorFilterRegistry.register(address(this));
}
}
}
}
function _onlyAllowedOperator(address from) private view {
if (
!(
operatorFilterRegistry.isOperatorAllowed(address(this), msg.sender)
&& operatorFilterRegistry.isOperatorAllowed(address(this), from)
)
) {
revert OperatorNotAllowed(msg.sender);
}
}
modifier onlyAllowedOperator(address from) virtual {
// Check registry code length to facilitate testing in environments without a deployed registry.
if (address(operatorFilterRegistry).code.length > 0) {
// Allow spending tokens from addresses with balance
// Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
// from an EOA.
if (from == msg.sender) {
_;
return;
}
_onlyAllowedOperator(from);
}
_;
}
modifier onlyAllowedOperatorApproval(address operator) virtual {
_checkFilterOperator(operator);
_;
}
function _checkFilterOperator(address operator) internal view virtual {
// Check registry code length to facilitate testing in environments without a deployed registry.
if (address(operatorFilterRegistry).code.length > 0) {
if (!operatorFilterRegistry.isOperatorAllowed(address(this), operator)) {
revert OperatorNotAllowed(operator);
}
}
}
}
//-------------END DEPENDENCIES------------------------//
error TransactionCapExceeded();
error PublicMintingClosed();
error ExcessiveOwnedMints();
error MintZeroQuantity();
error InvalidPayment();
error CapExceeded();
error IsAlreadyUnveiled();
error ValueCannotBeZero();
error CannotBeNullAddress();
error NoStateChange();
error PublicMintClosed();
error AllowlistMintClosed();
error AddressNotAllowlisted();
error AllowlistDropTimeHasNotPassed();
error PublicDropTimeHasNotPassed();
error DropTimeNotInFuture();
error OnlyERC20MintingEnabled();
error ERC20TokenNotApproved();
error ERC20InsufficientBalance();
error ERC20InsufficientAllowance();
error ERC20TransferFailed();
error ClaimModeDisabled();
error IneligibleRedemptionContract();
error TokenAlreadyRedeemed();
error InvalidOwnerForRedemption();
error InvalidApprovalForRedemption();
error ERC721RestrictedApprovalAddressRestricted();
error NotMaintainer();
// Rampp Contracts v2.1 (Teams.sol)
error InvalidTeamAddress();
error DuplicateTeamAddress();
pragma solidity ^0.8.0;
/**
* Teams is a contract implementation to extend upon Ownable that allows multiple controllers
* of a single contract to modify specific mint settings but not have overall ownership of the contract.
* This will easily allow cross-collaboration via Mintplex.xyz.
**/
abstract contract Teams is Ownable{
mapping (address => bool) internal team;
/**
* @dev Adds an address to the team. Allows them to execute protected functions
* @param _address the ETH address to add, cannot be 0x and cannot be in team already
**/
function addToTeam(address _address) public onlyOwner {
if(_address == address(0)) revert InvalidTeamAddress();
if(inTeam(_address)) revert DuplicateTeamAddress();
team[_address] = true;
}
/**
* @dev Removes an address to the team.
* @param _address the ETH address to remove, cannot be 0x and must be in team
**/
function removeFromTeam(address _address) public onlyOwner {
if(_address == address(0)) revert InvalidTeamAddress();
if(!inTeam(_address)) revert InvalidTeamAddress();
team[_address] = false;
}
/**
* @dev Check if an address is valid and active in the team
* @param _address ETH address to check for truthiness
**/
function inTeam(address _address)
public
view
returns (bool)
{
if(_address == address(0)) revert InvalidTeamAddress();
return team[_address] == true;
}
/**
* @dev Throws if called by any account other than the owner or team member.
*/
function _onlyTeamOrOwner() private view {
bool _isOwner = owner() == _msgSender();
bool _isTeam = inTeam(_msgSender());
require(_isOwner || _isTeam, "Team: caller is not the owner or in Team.");
}
modifier onlyTeamOrOwner() {
_onlyTeamOrOwner();
_;
}
}
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Trees proofs.
*
* The proofs can be generated using the JavaScript library
* https://github.com/miguelmota/merkletreejs[merkletreejs].
* Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
*
*
* WARNING: You should avoid using leaf values that are 64 bytes long prior to
* hashing, or use a hash function other than keccak256 for hashing leaves.
* This is because the concatenation of a sorted pair of internal nodes in
* the merkle tree could be reinterpreted as a leaf value.
*/
library MerkleProof {
/**
* @dev Returns true if a 'leaf' can be proved to be a part of a Merkle tree
* defined by 'root'. For this, a 'proof' must be provided, containing
* sibling hashes on the branch from the leaf to the root of the tree. Each
* pair of leaves and each pair of pre-images are assumed to be sorted.
*/
function verify(
bytes32[] memory proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool) {
return processProof(proof, leaf) == root;
}
/**
* @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
* from 'leaf' using 'proof'. A 'proof' is valid if and only if the rebuilt
* hash matches the root of the tree. When processing the proof, the pairs
* of leafs & pre-images are assumed to be sorted.
*
* _Available since v4.4._
*/
function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
bytes32 proofElement = proof[i];
if (computedHash <= proofElement) {
// Hash(current computed hash + current element of the proof)
computedHash = _efficientHash(computedHash, proofElement);
} else {
// Hash(current element of the proof + current computed hash)
computedHash = _efficientHash(proofElement, computedHash);
}
}
return computedHash;
}
function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
assembly {
mstore(0x00, a)
mstore(0x20, b)
value := keccak256(0x00, 0x40)
}
}
}
// File: Allowlist.sol
pragma solidity ^0.8.0;
abstract contract Allowlist is Teams {
bytes32 public merkleRoot;
bool public onlyAllowlistMode = false;
/**
* @dev Update merkle root to reflect changes in Allowlist
* @param _newMerkleRoot new merkle root to reflect most recent Allowlist
*/
function updateMerkleRoot(bytes32 _newMerkleRoot) public onlyTeamOrOwner {
if(_newMerkleRoot == merkleRoot) revert NoStateChange();
merkleRoot = _newMerkleRoot;
}
/**
* @dev Check the proof of an address if valid for merkle root
* @param _to address to check for proof
* @param _merkleProof Proof of the address to validate against root and leaf
*/
function isAllowlisted(address _to, bytes32[] calldata _merkleProof) public view returns(bool) {
if(merkleRoot == 0) revert ValueCannotBeZero();
bytes32 leaf = keccak256(abi.encodePacked(_to));
return MerkleProof.verify(_merkleProof, merkleRoot, leaf);
}
function enableAllowlistOnlyMode() public onlyTeamOrOwner {
onlyAllowlistMode = true;
}
function disableAllowlistOnlyMode() public onlyTeamOrOwner {
onlyAllowlistMode = false;
}
}
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata and Enumerable extension. Built to optimize for lower gas during batch mints.
*
* Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
*
* Assumes the number of issuable tokens (collection size) is capped and fits in a uint128.
*
* Does not support burning tokens to address(0).
*/
contract ERC721A is
Context,
ERC165,
IERC721,
IERC721Metadata,
IERC721Enumerable,
Teams
, OperatorFilterer
{
using Address for address;
using Strings for uint256;
struct TokenOwnership {
address addr;
uint64 startTimestamp;
}
struct AddressData {
uint128 balance;
uint128 numberMinted;
}
uint256 private currentIndex;
uint256 public immutable collectionSize;
uint256 public maxBatchSize;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to ownership details
// An empty struct value does not necessarily mean the token is unowned. See ownershipOf implementation for details.
mapping(uint256 => TokenOwnership) private _ownerships;
// Mapping owner address to address data
mapping(address => AddressData) private _addressData;
// 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 Mapping of restricted operator approvals set by contract Owner
* This serves as an optional addition to ERC-721 so
* that the contract owner can elect to prevent specific addresses/contracts
* from being marked as the approver for a token. The reason for this
* is that some projects may want to retain control of where their tokens can/can not be listed
* either due to ethics, loyalty, or wanting trades to only occur on their personal marketplace.
* By default, there are no restrictions. The contract owner must deliberatly block an address
*/
mapping(address => bool) public restrictedApprovalAddresses;
/**
* @dev
* maxBatchSize refers to how much a minter can mint at a time.
* collectionSize_ refers to how many tokens are in the collection.
*/
constructor(
string memory name_,
string memory symbol_,
uint256 maxBatchSize_,
uint256 collectionSize_
) OperatorFilterer(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6, true) {
require(
collectionSize_ > 0,
"ERC721A: collection must have a nonzero supply"
);
require(maxBatchSize_ > 0, "ERC721A: max batch size must be nonzero");
_name = name_;
_symbol = symbol_;
maxBatchSize = maxBatchSize_;
collectionSize = collectionSize_;
currentIndex = _startTokenId();
}
/**
* To change the starting tokenId, please override this function.
*/
function _startTokenId() internal view virtual returns (uint256) {
return 1;
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalMinted();
}
function currentTokenId() public view returns (uint256) {
return _totalMinted();
}
function getNextTokenId() public view returns (uint256) {
return _totalMinted() + 1;
}
/**
* Returns the total amount of tokens minted in the contract.
*/
function _totalMinted() internal view returns (uint256) {
unchecked {
return currentIndex - _startTokenId();
}
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view override returns (uint256) {
require(index < totalSupply(), "ERC721A: global index out of bounds");
return index;
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
* This read function is O(collectionSize). If calling from a separate contract, be sure to test gas first.
* It may also degrade with extremely large collection sizes (e.g >> 10000), test for your use case.
*/
function tokenOfOwnerByIndex(address owner, uint256 index)
public
view
override
returns (uint256)
{
require(index < balanceOf(owner), "ERC721A: owner index out of bounds");
uint256 numMintedSoFar = totalSupply();
uint256 tokenIdsIdx = 0;
address currOwnershipAddr = address(0);
for (uint256 i = 0; i < numMintedSoFar; i++) {
TokenOwnership memory ownership = _ownerships[i];
if (ownership.addr != address(0)) {
currOwnershipAddr = ownership.addr;
}
if (currOwnershipAddr == owner) {
if (tokenIdsIdx == index) {
return i;
}
tokenIdsIdx++;
}
}
revert("ERC721A: unable to get token of owner by index");
}
/**
* @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 ||
interfaceId == type(IERC721Enumerable).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view override returns (uint256) {
require(owner != address(0), "ERC721A: balance query for the zero address");
return uint256(_addressData[owner].balance);
}
function _numberMinted(address owner) internal view returns (uint256) {
require(
owner != address(0),
"ERC721A: number minted query for the zero address"
);
return uint256(_addressData[owner].numberMinted);
}
function ownershipOf(uint256 tokenId)
internal
view
returns (TokenOwnership memory)
{
uint256 curr = tokenId;
unchecked {
if (_startTokenId() <= curr && curr < currentIndex) {
TokenOwnership memory ownership = _ownerships[curr];
if (ownership.addr != address(0)) {
return ownership;
}
// Invariant:
// There will always be an ownership that has an address and is not burned
// before an ownership that does not have an address and is not burned.
// Hence, curr will not underflow.
while (true) {
curr--;
ownership = _ownerships[curr];
if (ownership.addr != address(0)) {
return ownership;
}
}
}
}
revert("ERC721A: unable to determine the owner of token");
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view override returns (address) {
return ownershipOf(tokenId).addr;
}
/**
* @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)
{
string memory baseURI = _baseURI();
string memory extension = _baseURIExtension();
return
bytes(baseURI).length > 0
? string(abi.encodePacked(baseURI, tokenId.toString(), extension))
: "";
}
/**
* @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 Base URI extension used for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the baseURI, tokenId, and this value. Empty
* by default, can be overriden in child contracts.
*/
function _baseURIExtension() internal view virtual returns (string memory) {
return "";
}
/**
* @dev Sets the value for an address to be in the restricted approval address pool.
* Setting an address to true will disable token owners from being able to mark the address
* for approval for trading. This would be used in theory to prevent token owners from listing
* on specific marketplaces or protcols. Only modifible by the contract owner/team.
* @param _address the marketplace/user to modify restriction status of
* @param _isRestricted restriction status of the _address to be set. true => Restricted, false => Open
*/
function setApprovalRestriction(address _address, bool _isRestricted) public onlyTeamOrOwner {
restrictedApprovalAddresses[_address] = _isRestricted;
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public override onlyAllowedOperatorApproval(to) {
address owner = ERC721A.ownerOf(tokenId);
require(to != owner, "ERC721A: approval to current owner");
if(restrictedApprovalAddresses[to]) revert ERC721RestrictedApprovalAddressRestricted();
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721A: approve caller is not owner nor approved for all"
);
_approve(to, tokenId, owner);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view override returns (address) {
require(_exists(tokenId), "ERC721A: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {
require(operator != _msgSender(), "ERC721A: approve to caller");
if(restrictedApprovalAddresses[operator]) revert ERC721RestrictedApprovalAddressRestricted();
_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 override onlyAllowedOperator(from) {
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public override onlyAllowedOperator(from) {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public override onlyAllowedOperator(from) {
_transfer(from, to, tokenId);
require(
_checkOnERC721Received(from, to, tokenId, _data),
"ERC721A: 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),
*/
function _exists(uint256 tokenId) internal view returns (bool) {
return _startTokenId() <= tokenId && tokenId < currentIndex;
}
function _safeMint(address to, uint256 quantity, bool isAdminMint) internal {
_safeMint(to, quantity, isAdminMint, "");
}
/**
* @dev Mints quantity tokens and transfers them to to.
*
* Requirements:
*
* - there must be quantity tokens remaining unminted in the total collection.
* - to cannot be the zero address.
* - quantity cannot be larger than the max batch size.
*
* Emits a {Transfer} event.
*/
function _safeMint(
address to,
uint256 quantity,
bool isAdminMint,
bytes memory _data
) internal {
uint256 startTokenId = currentIndex;
require(to != address(0), "ERC721A: mint to the zero address");
// We know if the first token in the batch doesn't exist, the other ones don't as well, because of serial ordering.
require(!_exists(startTokenId), "ERC721A: token already minted");
// For admin mints we do not want to enforce the maxBatchSize limit
if (isAdminMint == false) {
require(quantity <= maxBatchSize, "ERC721A: quantity to mint too high");
}
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
AddressData memory addressData = _addressData[to];
_addressData[to] = AddressData(
addressData.balance + uint128(quantity),
addressData.numberMinted + (isAdminMint ? 0 : uint128(quantity))
);
_ownerships[startTokenId] = TokenOwnership(to, uint64(block.timestamp));
uint256 updatedIndex = startTokenId;
for (uint256 i = 0; i < quantity; i++) {
emit Transfer(address(0), to, updatedIndex);
require(
_checkOnERC721Received(address(0), to, updatedIndex, _data),
"ERC721A: transfer to non ERC721Receiver implementer"
);
updatedIndex++;
}
currentIndex = updatedIndex;
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Transfers tokenId from from to to.
*
* 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
) private {
TokenOwnership memory prevOwnership = ownershipOf(tokenId);
bool isApprovedOrOwner = (_msgSender() == prevOwnership.addr ||
getApproved(tokenId) == _msgSender() ||
isApprovedForAll(prevOwnership.addr, _msgSender()));
require(
isApprovedOrOwner,
"ERC721A: transfer caller is not owner nor approved"
);
require(
prevOwnership.addr == from,
"ERC721A: transfer from incorrect owner"
);
require(to != address(0), "ERC721A: transfer to the zero address");
_beforeTokenTransfers(from, to, tokenId, 1);
// Clear approvals from the previous owner
_approve(address(0), tokenId, prevOwnership.addr);
_addressData[from].balance -= 1;
_addressData[to].balance += 1;
_ownerships[tokenId] = TokenOwnership(to, uint64(block.timestamp));
// If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
// Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
uint256 nextTokenId = tokenId + 1;
if (_ownerships[nextTokenId].addr == address(0)) {
if (_exists(nextTokenId)) {
_ownerships[nextTokenId] = TokenOwnership(
prevOwnership.addr,
prevOwnership.startTimestamp
);
}
}
emit Transfer(from, to, tokenId);
_afterTokenTransfers(from, to, tokenId, 1);
}
/**
* @dev Approve to to operate on tokenId
*
* Emits a {Approval} event.
*/
function _approve(
address to,
uint256 tokenId,
address owner
) private {
_tokenApprovals[tokenId] = to;
emit Approval(owner, to, tokenId);
}
uint256 public nextOwnerToExplicitlySet = 0;
/**
* @dev Explicitly set owners to eliminate loops in future calls of ownerOf().
*/
function _setOwnersExplicit(uint256 quantity) internal {
uint256 oldNextOwnerToSet = nextOwnerToExplicitlySet;
require(quantity > 0, "quantity must be nonzero");
if (currentIndex == _startTokenId()) revert('No Tokens Minted Yet');
uint256 endIndex = oldNextOwnerToSet + quantity - 1;
if (endIndex > collectionSize - 1) {
endIndex = collectionSize - 1;
}
// We know if the last one in the group exists, all in the group exist, due to serial ordering.
require(_exists(endIndex), "not enough minted yet for this cleanup");
for (uint256 i = oldNextOwnerToSet; i <= endIndex; i++) {
if (_ownerships[i].addr == address(0)) {
TokenOwnership memory ownership = ownershipOf(i);
_ownerships[i] = TokenOwnership(
ownership.addr,
ownership.startTimestamp
);
}
}
nextOwnerToExplicitlySet = endIndex + 1;
}
/**
* @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(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721A: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
*
* startTokenId - the first token id to be transferred
* quantity - the amount to be transferred
*
* 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.
*/
function _beforeTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
* minting.
*
* startTokenId - the first token id to be transferred
* quantity - the amount to be transferred
*
* Calling conditions:
*
* - when from and to are both non-zero.
* - from and to are never both zero.
*/
function _afterTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
}
abstract contract ProviderFees is Context {
address private constant PROVIDER = 0xa9dAC8f3aEDC55D0FE707B86B8A45d246858d2E1;
uint256 public PROVIDER_FEE = 0.000777 ether;
function sendProviderFee() internal {
payable(PROVIDER).transfer(PROVIDER_FEE);
}
function setProviderFee(uint256 _fee) public {
if(_msgSender() != PROVIDER) revert NotMaintainer();
PROVIDER_FEE = _fee;
}
}
/** TimedDrop.sol
* This feature will allow the owner to be able to set timed drops for both the public and allowlist mint (if applicable).
* It is bound by the block timestamp. The owner is able to determine if the feature should be used as all
* with the "enforcePublicDropTime" and "enforceAllowlistDropTime" variables. If the feature is disabled the implmented
* *DropTimePassed() functions will always return true. Otherwise calculation is done to check if time has passed.
*/
abstract contract TimedDrop is Teams {
bool public enforcePublicDropTime = true;
uint256 public publicDropTime = 1679677200;
/**
* @dev Allow the contract owner to set the public time to mint.
* @param _newDropTime timestamp since Epoch in seconds you want public drop to happen
*/
function setPublicDropTime(uint256 _newDropTime) public onlyTeamOrOwner {
if(_newDropTime < block.timestamp) revert DropTimeNotInFuture();
publicDropTime = _newDropTime;
}
function usePublicDropTime() public onlyTeamOrOwner {
enforcePublicDropTime = true;
}
function disablePublicDropTime() public onlyTeamOrOwner {
enforcePublicDropTime = false;
}
/**
* @dev determine if the public droptime has passed.
* if the feature is disabled then assume the time has passed.
*/
function publicDropTimePassed() public view returns(bool) {
if(enforcePublicDropTime == false) {
return true;
}
return block.timestamp >= publicDropTime;
}
// Allowlist implementation of the Timed Drop feature
bool public enforceAllowlistDropTime = true;
uint256 public allowlistDropTime = 1679414400;
/**
* @dev Allow the contract owner to set the allowlist time to mint.
* @param _newDropTime timestamp since Epoch in seconds you want public drop to happen
*/
function setAllowlistDropTime(uint256 _newDropTime) public onlyTeamOrOwner {
if(_newDropTime < block.timestamp) revert DropTimeNotInFuture();
allowlistDropTime = _newDropTime;
}
function useAllowlistDropTime() public onlyTeamOrOwner {
enforceAllowlistDropTime = true;
}
function disableAllowlistDropTime() public onlyTeamOrOwner {
enforceAllowlistDropTime = false;
}
function allowlistDropTimePassed() public view returns(bool) {
if(enforceAllowlistDropTime == false) {
return true;
}
return block.timestamp >= allowlistDropTime;
}
}
interface IERC20 {
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address _to, uint256 _amount) external returns (bool);
function balanceOf(address account) external view returns (uint256);
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
// File: WithdrawableV2
// This abstract allows the contract to be able to mint and ingest ERC-20 payments for mints.
// ERC-20 Payouts are limited to a single payout address. This feature
// will charge a small flat fee in native currency that is not subject to regular rev sharing.
// This contract also covers the normal functionality of accepting native base currency rev-sharing
abstract contract WithdrawableV2 is Teams {
struct acceptedERC20 {
bool isActive;
uint256 chargeAmount;
}
mapping(address => acceptedERC20) private allowedTokenContracts;
address[] public payableAddresses = [0x5cCa867939aA9CBbd8757339659bfDbf3948091B,0xCFb6bc33AF4F6f0a69F00d6DAB045dEE83f627f9];
address public erc20Payable = 0xCFb6bc33AF4F6f0a69F00d6DAB045dEE83f627f9;
uint256[] public payableFees = [2,98];
uint256 public payableAddressCount = 2;
bool public onlyERC20MintingMode;
function withdrawAll() public onlyTeamOrOwner {
if(address(this).balance == 0) revert ValueCannotBeZero();
_withdrawAll(address(this).balance);
}
function _withdrawAll(uint256 balance) private {
for(uint i=0; i < payableAddressCount; i++ ) {
_widthdraw(
payableAddresses[i],
(balance * payableFees[i]) / 100
);
}
}
function _widthdraw(address _address, uint256 _amount) private {
(bool success, ) = _address.call{value: _amount}("");
require(success, "Transfer failed.");
}
/**
* @dev Allow contract owner to withdraw ERC-20 balance from contract
* in the event ERC-20 tokens are paid to the contract for mints.
* @param _tokenContract contract of ERC-20 token to withdraw
* @param _amountToWithdraw balance to withdraw according to balanceOf of ERC-20 token in wei
*/
function withdrawERC20(address _tokenContract, uint256 _amountToWithdraw) public onlyTeamOrOwner {
if(_amountToWithdraw == 0) revert ValueCannotBeZero();
IERC20 tokenContract = IERC20(_tokenContract);
if(tokenContract.balanceOf(address(this)) < _amountToWithdraw) revert ERC20InsufficientBalance();
tokenContract.transfer(erc20Payable, _amountToWithdraw); // Payout ERC-20 tokens to recipient
}
/**
* @dev check if an ERC-20 contract is a valid payable contract for executing a mint.
* @param _erc20TokenContract address of ERC-20 contract in question
*/
function isApprovedForERC20Payments(address _erc20TokenContract) public view returns(bool) {
return allowedTokenContracts[_erc20TokenContract].isActive == true;
}
/**
* @dev get the value of tokens to transfer for user of an ERC-20
* @param _erc20TokenContract address of ERC-20 contract in question
*/
function chargeAmountForERC20(address _erc20TokenContract) public view returns(uint256) {
if(!isApprovedForERC20Payments(_erc20TokenContract)) revert ERC20TokenNotApproved();
return allowedTokenContracts[_erc20TokenContract].chargeAmount;
}
/**
* @dev Explicity sets and ERC-20 contract as an allowed payment method for minting
* @param _erc20TokenContract address of ERC-20 contract in question
* @param _isActive default status of if contract should be allowed to accept payments
* @param _chargeAmountInTokens fee (in tokens) to charge for mints for this specific ERC-20 token
*/
function addOrUpdateERC20ContractAsPayment(address _erc20TokenContract, bool _isActive, uint256 _chargeAmountInTokens) public onlyTeamOrOwner {
allowedTokenContracts[_erc20TokenContract].isActive = _isActive;
allowedTokenContracts[_erc20TokenContract].chargeAmount = _chargeAmountInTokens;
}
/**
* @dev Add an ERC-20 contract as being a valid payment method. If passed a contract which has not been added
* it will assume the default value of zero. This should not be used to create new payment tokens.
* @param _erc20TokenContract address of ERC-20 contract in question
*/
function enableERC20ContractAsPayment(address _erc20TokenContract) public onlyTeamOrOwner {
allowedTokenContracts[_erc20TokenContract].isActive = true;
}
/**
* @dev Disable an ERC-20 contract as being a valid payment method. If passed a contract which has not been added
* it will assume the default value of zero. This should not be used to create new payment tokens.
* @param _erc20TokenContract address of ERC-20 contract in question
*/
function disableERC20ContractAsPayment(address _erc20TokenContract) public onlyTeamOrOwner {
allowedTokenContracts[_erc20TokenContract].isActive = false;
}
/**
* @dev Enable only ERC-20 payments for minting on this contract
*/
function enableERC20OnlyMinting() public onlyTeamOrOwner {
onlyERC20MintingMode = true;
}
/**
* @dev Disable only ERC-20 payments for minting on this contract
*/
function disableERC20OnlyMinting() public onlyTeamOrOwner {
onlyERC20MintingMode = false;
}
/**
* @dev Set the payout of the ERC-20 token payout to a specific address
* @param _newErc20Payable new payout addresses of ERC-20 tokens
*/
function setERC20PayableAddress(address _newErc20Payable) public onlyTeamOrOwner {
if(_newErc20Payable == address(0)) revert CannotBeNullAddress();
if(_newErc20Payable == erc20Payable) revert NoStateChange();
erc20Payable = _newErc20Payable;
}
}
/* File: Tippable.sol
/* @dev Allows owner to set strict enforcement of payment to mint price.
/* Would then allow buyers to pay _more_ than the mint fee - consider it as a tip
/* when doing a free mint with opt-in pricing.
/* When strict pricing is enabled => msg.value must extactly equal the expected value
/* when strict pricing is disabled => msg.value must be _at least_ the expected value.
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/* Pros - can take in gratituity payments during a mint.
/* Cons - However if you decrease pricing during mint txn settlement
/* it can result in mints landing who technically now have overpaid.
*/
abstract contract Tippable is Teams {
bool public strictPricing = true;
function setStrictPricing(bool _newStatus) public onlyTeamOrOwner {
strictPricing = _newStatus;
}
// @dev check if msg.value is correct according to pricing enforcement
// @param _msgValue -> passed in msg.value of tx
// @param _expectedPrice -> result of getPrice(...args)
function priceIsRight(uint256 _msgValue, uint256 _expectedPrice) internal view returns (bool) {
return strictPricing ?
_msgValue == _expectedPrice :
_msgValue >= _expectedPrice;
}
}
// File: EarlyMintIncentive.sol
// Allows the contract to have the first x tokens have a discount or
// zero fee that can be calculated on the fly.
abstract contract EarlyMintIncentive is Teams, ERC721A, ProviderFees {
uint256 public PRICE = 0.025 ether;
uint256 public EARLY_MINT_PRICE = 0 ether;
uint256 public earlyMintTokenIdCap = 333;
bool public usingEarlyMintIncentive = true;
function enableEarlyMintIncentive() public onlyTeamOrOwner {
usingEarlyMintIncentive = true;
}
function disableEarlyMintIncentive() public onlyTeamOrOwner {
usingEarlyMintIncentive = false;
}
/**
* @dev Set the max token ID in which the cost incentive will be applied.
* @param _newTokenIdCap max tokenId in which incentive will be applied
*/
function setEarlyMintTokenIdCap(uint256 _newTokenIdCap) public onlyTeamOrOwner {
if(_newTokenIdCap > collectionSize) revert CapExceeded();
if(_newTokenIdCap == 0) revert ValueCannotBeZero();
earlyMintTokenIdCap = _newTokenIdCap;
}
/**
* @dev Set the incentive mint price
* @param _feeInWei new price per token when in incentive range
*/
function setEarlyIncentivePrice(uint256 _feeInWei) public onlyTeamOrOwner {
EARLY_MINT_PRICE = _feeInWei;
}
/**
* @dev Set the primary mint price - the base price when not under incentive
* @param _feeInWei new price per token
*/
function setPrice(uint256 _feeInWei) public onlyTeamOrOwner {
PRICE = _feeInWei;
}
function getPrice(uint256 _count) public view returns (uint256) {
if(_count == 0) revert ValueCannotBeZero();
// short circuit function if we dont need to even calc incentive pricing
// short circuit if the current tokenId is also already over cap
if(
usingEarlyMintIncentive == false ||
currentTokenId() > earlyMintTokenIdCap
) {
return (PRICE * _count) + PROVIDER_FEE;
}
uint256 endingTokenId = currentTokenId() + _count;
// If qty to mint results in a final token ID less than or equal to the cap then
// the entire qty is within free mint.
if(endingTokenId <= earlyMintTokenIdCap) {
return (EARLY_MINT_PRICE * _count) + PROVIDER_FEE;
}
// If the current token id is less than the incentive cap
// and the ending token ID is greater than the incentive cap
// we will be straddling the cap so there will be some amount
// that are incentive and some that are regular fee.
uint256 incentiveTokenCount = earlyMintTokenIdCap - currentTokenId();
uint256 outsideIncentiveCount = endingTokenId - earlyMintTokenIdCap;
return (EARLY_MINT_PRICE * incentiveTokenCount) + (PRICE * outsideIncentiveCount) + PROVIDER_FEE;
}
}
abstract contract ERC721APlus is
Ownable,
Teams,
ERC721A,
WithdrawableV2,
ReentrancyGuard
, EarlyMintIncentive, Tippable
, Allowlist
, TimedDrop
{
constructor(
string memory tokenName,
string memory tokenSymbol
) ERC721A(tokenName, tokenSymbol, 1, 3333) { }
uint8 constant public CONTRACT_VERSION = 2;
string public _baseTokenURI = "ipfs://QmXqiQPVYtSnbK8nWRd8iGYDofb2khWys4SWushrLhTtN3/";
string public _baseTokenExtension = ".json";
bool public mintingOpen = false;
uint256 public MAX_WALLET_MINTS = 1;
/////////////// Admin Mint Functions
/**
* @dev Mints a token to an address with a tokenURI.
* This is owner only and allows a fee-free drop
* @param _to address of the future owner of the token
* @param _qty amount of tokens to drop the owner
*/
function mintToAdminV2(address _to, uint256 _qty) public onlyTeamOrOwner{
if(_qty == 0) revert MintZeroQuantity();
if(currentTokenId() + _qty > collectionSize) revert CapExceeded();
_safeMint(_to, _qty, true);
}
/////////////// PUBLIC MINT FUNCTIONS
/**
* @dev Mints tokens to an address in batch.
* fee may or may not be required*
* @param _to address of the future owner of the token
* @param _amount number of tokens to mint
*/
function mintToMultiple(address _to, uint256 _amount) public payable {
if(onlyERC20MintingMode) revert OnlyERC20MintingEnabled();
if(_amount == 0) revert MintZeroQuantity();
if(_amount > maxBatchSize) revert TransactionCapExceeded();
if(!mintingOpen) revert PublicMintClosed();
if(mintingOpen && onlyAllowlistMode) revert PublicMintClosed();
if(!publicDropTimePassed()) revert PublicDropTimeHasNotPassed();
if(!canMintAmount(_to, _amount)) revert ExcessiveOwnedMints();
if(currentTokenId() + _amount > collectionSize) revert CapExceeded();
if(!priceIsRight(msg.value, getPrice(_amount))) revert InvalidPayment();
sendProviderFee();
_safeMint(_to, _amount, false);
}
/**
* @dev Mints tokens to an address in batch using an ERC-20 token for payment
* fee may or may not be required*
* @param _to address of the future owner of the token
* @param _amount number of tokens to mint
* @param _erc20TokenContract erc-20 token contract to mint with
*/
function mintToMultipleERC20(address _to, uint256 _amount, address _erc20TokenContract) public payable {
if(_amount == 0) revert MintZeroQuantity();
if(_amount > maxBatchSize) revert TransactionCapExceeded();
if(!mintingOpen) revert PublicMintClosed();
if(currentTokenId() + _amount > collectionSize) revert CapExceeded();
if(mintingOpen && onlyAllowlistMode) revert PublicMintClosed();
if(!publicDropTimePassed()) revert PublicDropTimeHasNotPassed();
if(!canMintAmount(_to, _amount)) revert ExcessiveOwnedMints();
if(msg.value != PROVIDER_FEE) revert InvalidPayment();
// ERC-20 Specific pre-flight checks
if(!isApprovedForERC20Payments(_erc20TokenContract)) revert ERC20TokenNotApproved();
uint256 tokensQtyToTransfer = chargeAmountForERC20(_erc20TokenContract) * _amount;
IERC20 payableToken = IERC20(_erc20TokenContract);
if(payableToken.balanceOf(_to) < tokensQtyToTransfer) revert ERC20InsufficientBalance();
if(payableToken.allowance(_to, address(this)) < tokensQtyToTransfer) revert ERC20InsufficientAllowance();
bool transferComplete = payableToken.transferFrom(_to, address(this), tokensQtyToTransfer);
if(!transferComplete) revert ERC20TransferFailed();
sendProviderFee();
_safeMint(_to, _amount, false);
}
function openMinting() public onlyTeamOrOwner {
mintingOpen = true;
}
function stopMinting() public onlyTeamOrOwner {
mintingOpen = false;
}
///////////// ALLOWLIST MINTING FUNCTIONS
/**
* @dev Mints tokens to an address using an allowlist.
* fee may or may not be required*
* @param _to address of the future owner of the token
* @param _amount number of tokens to mint
* @param _merkleProof merkle proof array
*/
function mintToMultipleAL(address _to, uint256 _amount, bytes32[] calldata _merkleProof) public payable {
if(onlyERC20MintingMode) revert OnlyERC20MintingEnabled();
if(!onlyAllowlistMode || !mintingOpen) revert AllowlistMintClosed();
if(!isAllowlisted(_to, _merkleProof)) revert AddressNotAllowlisted();
if(_amount == 0) revert MintZeroQuantity();
if(_amount > maxBatchSize) revert TransactionCapExceeded();
if(!canMintAmount(_to, _amount)) revert ExcessiveOwnedMints();
if(currentTokenId() + _amount > collectionSize) revert CapExceeded();
if(!priceIsRight(msg.value, getPrice(_amount))) revert InvalidPayment();
if(!allowlistDropTimePassed()) revert AllowlistDropTimeHasNotPassed();
sendProviderFee();
_safeMint(_to, _amount, false);
}
/**
* @dev Mints tokens to an address using an allowlist.
* fee may or may not be required*
* @param _to address of the future owner of the token
* @param _amount number of tokens to mint
* @param _merkleProof merkle proof array
* @param _erc20TokenContract erc-20 token contract to mint with
*/
function mintToMultipleERC20AL(address _to, uint256 _amount, bytes32[] calldata _merkleProof, address _erc20TokenContract) public payable {
if(!onlyAllowlistMode || !mintingOpen) revert AllowlistMintClosed();
if(!isAllowlisted(_to, _merkleProof)) revert AddressNotAllowlisted();
if(_amount == 0) revert MintZeroQuantity();
if(_amount > maxBatchSize) revert TransactionCapExceeded();
if(!canMintAmount(_to, _amount)) revert ExcessiveOwnedMints();
if(currentTokenId() + _amount > collectionSize) revert CapExceeded();
if(!allowlistDropTimePassed()) revert AllowlistDropTimeHasNotPassed();
if(msg.value != PROVIDER_FEE) revert InvalidPayment();
// ERC-20 Specific pre-flight checks
if(!isApprovedForERC20Payments(_erc20TokenContract)) revert ERC20TokenNotApproved();
uint256 tokensQtyToTransfer = chargeAmountForERC20(_erc20TokenContract) * _amount;
IERC20 payableToken = IERC20(_erc20TokenContract);
if(payableToken.balanceOf(_to) < tokensQtyToTransfer) revert ERC20InsufficientBalance();
if(payableToken.allowance(_to, address(this)) < tokensQtyToTransfer) revert ERC20InsufficientAllowance();
bool transferComplete = payableToken.transferFrom(_to, address(this), tokensQtyToTransfer);
if(!transferComplete) revert ERC20TransferFailed();
sendProviderFee();
_safeMint(_to, _amount, false);
}
/**
* @dev Enable allowlist minting fully by enabling both flags
* This is a convenience function for the Rampp user
*/
function openAllowlistMint() public onlyTeamOrOwner {
enableAllowlistOnlyMode();
mintingOpen = true;
}
/**
* @dev Close allowlist minting fully by disabling both flags
* This is a convenience function for the Rampp user
*/
function closeAllowlistMint() public onlyTeamOrOwner {
disableAllowlistOnlyMode();
mintingOpen = false;
}
/**
* @dev Check if wallet over MAX_WALLET_MINTS
* @param _address address in question to check if minted count exceeds max
*/
function canMintAmount(address _address, uint256 _amount) public view returns(bool) {
if(_amount == 0) revert ValueCannotBeZero();
return (_numberMinted(_address) + _amount) <= MAX_WALLET_MINTS;
}
/**
* @dev Update the maximum amount of tokens that can be minted by a unique wallet
* @param _newWalletMax the new max of tokens a wallet can mint. Must be >= 1
*/
function setWalletMax(uint256 _newWalletMax) public onlyTeamOrOwner {
if(_newWalletMax == 0) revert ValueCannotBeZero();
MAX_WALLET_MINTS = _newWalletMax;
}
/**
* @dev Allows owner to set Max mints per tx
* @param _newMaxMint maximum amount of tokens allowed to mint per tx. Must be >= 1
*/
function setMaxMint(uint256 _newMaxMint) public onlyTeamOrOwner {
if(_newMaxMint == 0) revert ValueCannotBeZero();
maxBatchSize = _newMaxMint;
}
function contractURI() public pure returns (string memory) {
return "https://metadata.mintplex.xyz/M14VU3m0US9N3Zq9ubbO/contract-metadata";
}
function _baseURI() internal view virtual override returns(string memory) {
return _baseTokenURI;
}
function _baseURIExtension() internal view virtual override returns(string memory) {
return _baseTokenExtension;
}
function baseTokenURI() public view returns(string memory) {
return _baseTokenURI;
}
function setBaseURI(string calldata baseURI) external onlyTeamOrOwner {
_baseTokenURI = baseURI;
}
function setBaseTokenExtension(string calldata baseExtension) external onlyTeamOrOwner {
_baseTokenExtension = baseExtension;
}
}
// File: contracts/KoalaDayContract.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
contract KoalaDayContract is ERC721APlus {
constructor() ERC721APlus("Koala Day", "KOALA"){}
}
/*******************************************************/
/* */
/* ,ad8PPPP88b, ,d88PPPP8ba, */
/* d8P" "Y8b, ,d8P" "Y8b */
/* dP' "8a8" `Yd */
/* 8( " )8 */
/* I8 8I */
/* Yb, ,dP */
/* "8a, ,a8" */
/* "8a, ,a8" */
/* "Yba adP" */
/* `Y8a a8P' */
/* `88, ,88' */
/* "8b d8" NFT-Inator & */
/* "8b d8" Mintplex */
/* `888' */
/* " */
/* _______________________________________________ */
/* */
/* THIS FREE NO-CODE CONTRACT WAS DEPLOYED WITH */
/* NFT-INATOR AND MINTPLEX. CREATE YOUR OWN NO-CODE */
/* COLLECTION AT NFT-INATOR.COM */
/* */
/* Neither NFT-inator or Mintplex are responsible */
/* for the functionality & content associated with */
/* this smart contract or the creator/collectors */
/* NFT-Inator & Mintplex is not associated or */
/* affiliated with this project. */
/*******************************************************/Settings
{
"compilationTarget": {
"KoalaDayContract.sol": "KoalaDayContract"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
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