Token Smol Creeps
Overview ERC721
Total Supply:
800 CREEPS
Holders:
333 addresses
Transfers:
-
Contract:
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| # | Exchange | Pair | Price | 24H Volume | % Volume |
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xFD191c51c008184925B99E4218f2112b799599FF
Contract Name:
FlatLaunchpeg
Compiler Version
v0.8.6+commit.11564f7e
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface VRFCoordinatorV2Interface {
/**
* @notice Get configuration relevant for making requests
* @return minimumRequestConfirmations global min for request confirmations
* @return maxGasLimit global max for request gas limit
* @return s_provingKeyHashes list of registered key hashes
*/
function getRequestConfig()
external
view
returns (
uint16,
uint32,
bytes32[] memory
);
/**
* @notice Request a set of random words.
* @param keyHash - Corresponds to a particular oracle job which uses
* that key for generating the VRF proof. Different keyHash's have different gas price
* ceilings, so you can select a specific one to bound your maximum per request cost.
* @param subId - The ID of the VRF subscription. Must be funded
* with the minimum subscription balance required for the selected keyHash.
* @param minimumRequestConfirmations - How many blocks you'd like the
* oracle to wait before responding to the request. See SECURITY CONSIDERATIONS
* for why you may want to request more. The acceptable range is
* [minimumRequestBlockConfirmations, 200].
* @param callbackGasLimit - How much gas you'd like to receive in your
* fulfillRandomWords callback. Note that gasleft() inside fulfillRandomWords
* may be slightly less than this amount because of gas used calling the function
* (argument decoding etc.), so you may need to request slightly more than you expect
* to have inside fulfillRandomWords. The acceptable range is
* [0, maxGasLimit]
* @param numWords - The number of uint256 random values you'd like to receive
* in your fulfillRandomWords callback. Note these numbers are expanded in a
* secure way by the VRFCoordinator from a single random value supplied by the oracle.
* @return requestId - A unique identifier of the request. Can be used to match
* a request to a response in fulfillRandomWords.
*/
function requestRandomWords(
bytes32 keyHash,
uint64 subId,
uint16 minimumRequestConfirmations,
uint32 callbackGasLimit,
uint32 numWords
) external returns (uint256 requestId);
/**
* @notice Create a VRF subscription.
* @return subId - A unique subscription id.
* @dev You can manage the consumer set dynamically with addConsumer/removeConsumer.
* @dev Note to fund the subscription, use transferAndCall. For example
* @dev LINKTOKEN.transferAndCall(
* @dev address(COORDINATOR),
* @dev amount,
* @dev abi.encode(subId));
*/
function createSubscription() external returns (uint64 subId);
/**
* @notice Get a VRF subscription.
* @param subId - ID of the subscription
* @return balance - LINK balance of the subscription in juels.
* @return reqCount - number of requests for this subscription, determines fee tier.
* @return owner - owner of the subscription.
* @return consumers - list of consumer address which are able to use this subscription.
*/
function getSubscription(uint64 subId)
external
view
returns (
uint96 balance,
uint64 reqCount,
address owner,
address[] memory consumers
);
/**
* @notice Request subscription owner transfer.
* @param subId - ID of the subscription
* @param newOwner - proposed new owner of the subscription
*/
function requestSubscriptionOwnerTransfer(uint64 subId, address newOwner) external;
/**
* @notice Request subscription owner transfer.
* @param subId - ID of the subscription
* @dev will revert if original owner of subId has
* not requested that msg.sender become the new owner.
*/
function acceptSubscriptionOwnerTransfer(uint64 subId) external;
/**
* @notice Add a consumer to a VRF subscription.
* @param subId - ID of the subscription
* @param consumer - New consumer which can use the subscription
*/
function addConsumer(uint64 subId, address consumer) external;
/**
* @notice Remove a consumer from a VRF subscription.
* @param subId - ID of the subscription
* @param consumer - Consumer to remove from the subscription
*/
function removeConsumer(uint64 subId, address consumer) external;
/**
* @notice Cancel a subscription
* @param subId - ID of the subscription
* @param to - Where to send the remaining LINK to
*/
function cancelSubscription(uint64 subId, address to) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* 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 OwnableUpgradeable is Initializable, ContextUpgradeable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
function __Ownable_init() internal onlyInitializing {
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal onlyInitializing {
_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.
*/
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 {
_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);
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/IERC2981.sol)
pragma solidity ^0.8.0;
import "../utils/introspection/IERC165Upgradeable.sol";
/**
* @dev Interface for the NFT Royalty Standard.
*
* A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
* support for royalty payments across all NFT marketplaces and ecosystem participants.
*
* _Available since v4.5._
*/
interface IERC2981Upgradeable is IERC165Upgradeable {
/**
* @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
* exchange. The royalty amount is denominated and should be payed in that same unit of exchange.
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
returns (address receiver, uint256 royaltyAmount);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.0;
import "../../utils/AddressUpgradeable.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
* initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() initializer {}
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
// If the contract is initializing we ignore whether _initialized is set in order to support multiple
// inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
// contract may have been reentered.
require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} modifier, directly or indirectly.
*/
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
function _isConstructor() private view returns (bool) {
return !AddressUpgradeable.isContract(address(this));
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
/**
* @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 ReentrancyGuardUpgradeable is Initializable {
// 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;
function __ReentrancyGuard_init() internal onlyInitializing {
__ReentrancyGuard_init_unchained();
}
function __ReentrancyGuard_init_unchained() internal onlyInitializing {
_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;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}// SPDX-License-Identifier: MIT
// 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 IERC721ReceiverUpgradeable {
/**
* @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);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165Upgradeable.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721Upgradeable is IERC165Upgradeable {
/**
* @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;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
pragma solidity ^0.8.0;
import "../IERC721Upgradeable.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/common/ERC2981.sol)
pragma solidity ^0.8.0;
import "../../interfaces/IERC2981Upgradeable.sol";
import "../../utils/introspection/ERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
*
* Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
* specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
*
* Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
* fee is specified in basis points by default.
*
* IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
* https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
* voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
*
* _Available since v4.5._
*/
abstract contract ERC2981Upgradeable is Initializable, IERC2981Upgradeable, ERC165Upgradeable {
function __ERC2981_init() internal onlyInitializing {
}
function __ERC2981_init_unchained() internal onlyInitializing {
}
struct RoyaltyInfo {
address receiver;
uint96 royaltyFraction;
}
RoyaltyInfo private _defaultRoyaltyInfo;
mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165Upgradeable, ERC165Upgradeable) returns (bool) {
return interfaceId == type(IERC2981Upgradeable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @inheritdoc IERC2981Upgradeable
*/
function royaltyInfo(uint256 _tokenId, uint256 _salePrice)
external
view
virtual
override
returns (address, uint256)
{
RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];
if (royalty.receiver == address(0)) {
royalty = _defaultRoyaltyInfo;
}
uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();
return (royalty.receiver, royaltyAmount);
}
/**
* @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
* fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
* override.
*/
function _feeDenominator() internal pure virtual returns (uint96) {
return 10000;
}
/**
* @dev Sets the royalty information that all ids in this contract will default to.
*
* Requirements:
*
* - `receiver` cannot be the zero address.
* - `feeNumerator` cannot be greater than the fee denominator.
*/
function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
require(receiver != address(0), "ERC2981: invalid receiver");
_defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
}
/**
* @dev Removes default royalty information.
*/
function _deleteDefaultRoyalty() internal virtual {
delete _defaultRoyaltyInfo;
}
/**
* @dev Sets the royalty information for a specific token id, overriding the global default.
*
* Requirements:
*
* - `tokenId` must be already minted.
* - `receiver` cannot be the zero address.
* - `feeNumerator` cannot be greater than the fee denominator.
*/
function _setTokenRoyalty(
uint256 tokenId,
address receiver,
uint96 feeNumerator
) internal virtual {
require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
require(receiver != address(0), "ERC2981: Invalid parameters");
_tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
}
/**
* @dev Resets royalty information for the token id back to the global default.
*/
function _resetTokenRoyalty(uint256 tokenId) internal virtual {
delete _tokenRoyaltyInfo[tokenId];
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[48] private __gap;
}// SPDX-License-Identifier: MIT
// 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 AddressUpgradeable {
/**
* @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 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);
}
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
/**
* @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 ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library StringsUpgradeable {
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);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
function __ERC165_init() internal onlyInitializing {
}
function __ERC165_init_unchained() internal onlyInitializing {
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165Upgradeable).interfaceId;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165Upgradeable {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/common/ERC2981Upgradeable.sol";
import "@chainlink/contracts/src/v0.8/interfaces/VRFCoordinatorV2Interface.sol";
import "erc721a-upgradeable/contracts/ERC721AUpgradeable.sol";
import "./BatchReveal.sol";
import "./LaunchpegErrors.sol";
import "./interfaces/IBaseLaunchpeg.sol";
/// @title BaseLaunchpeg
/// @author Trader Joe
/// @notice Implements the functionalities shared between Launchpeg and FlatLaunchpeg contracts.
abstract contract BaseLaunchpeg is
IBaseLaunchpeg,
ERC721AUpgradeable,
BatchReveal,
OwnableUpgradeable,
ReentrancyGuardUpgradeable,
ERC2981Upgradeable
{
using StringsUpgradeable for uint256;
/// @notice The collection size (e.g 10000)
uint256 public override collectionSize;
/// @notice Amount of NFTs reserved for `projectOwner` (e.g 200)
/// @dev It can be minted any time via `devMint`
uint256 public override amountForDevs;
/// @notice Amount of NFTs available for the allowlist mint (e.g 1000)
uint256 public override amountForAllowlist;
/// @notice Max amount of NFTs that can be minted at once
uint256 public override maxBatchSize;
/// @notice Max amount of NFTs an address can mint
uint256 public override maxPerAddressDuringMint;
/// @notice The fees collected by Joepegs on the sale benefits
/// @dev In basis points e.g 100 for 1%
uint256 public override joeFeePercent;
/// @notice The address to which the fees on the sale will be sent
address public override joeFeeCollector;
/// @notice Percentage base point
uint256 public constant BASIS_POINT_PRECISION = 10_000;
/// @notice The project owner
/// @dev We may own the contract during the launch; this address is allowed to call `devMint`
address public override projectOwner;
/// @notice Token URI after collection reveal
string public override baseURI;
/// @notice Token URI before the collection reveal
string public override unrevealedURI;
/// @notice The amount of NFTs each allowed address can mint during the allowlist mint
mapping(address => uint256) public override allowlist;
/// @notice Tracks the amount of NFTs minted by `projectOwner`
uint256 public override amountMintedByDevs;
/// @notice Tracks the amount of NFTs minted on Allowlist phase
uint256 public override amountMintedDuringAllowlist;
/// @notice Tracks the amount of NFTs minted on Public Sale phase
uint256 public override amountMintedDuringPublicSale;
/// @notice Start time of the allowlist mint in seconds
uint256 public override allowlistStartTime;
/// @notice Start time of the public sale in seconds
/// @dev A timestamp greater than the allowlist mint start
uint256 public override publicSaleStartTime;
/// @dev Emitted on initializeJoeFee()
/// @param feePercent The fees collected by Joepegs on the sale benefits
/// @param feeCollector The address to which the fees on the sale will be sent
event JoeFeeInitialized(uint256 feePercent, address feeCollector);
/// @dev Emitted on devMint()
/// @param sender The address that minted
/// @param quantity Amount of NFTs minted
event DevMint(address indexed sender, uint256 quantity);
/// @dev Emitted on withdrawAVAX()
/// @param sender The address that withdrew the tokens
/// @param amount Amount of AVAX transfered to `sender`
/// @param fee Amount of AVAX paid to the fee collector
event AvaxWithdraw(address indexed sender, uint256 amount, uint256 fee);
/// @dev Emitted on setProjectOwner()
/// @param owner The new project owner
event ProjectOwnerUpdated(address indexed owner);
/// @dev Emitted on setBaseURI()
/// @param baseURI The new base URI
event BaseURISet(string baseURI);
/// @dev Emitted on setUnrevealedURI()
/// @param unrevealedURI The new base URI
event UnrevealedURISet(string unrevealedURI);
/// @dev Emitted on seedAllowlist()
event AllowlistSeeded();
/// @dev Emitted on _setDefaultRoyalty()
/// @param receiver Royalty fee collector
/// @param feePercent Royalty fee percent in basis point
event DefaultRoyaltySet(address indexed receiver, uint256 feePercent);
/// @dev emitted on setVRF()
/// @param _vrfCoordinator Chainlink coordinator address
/// @param _keyHash Keyhash of the gas lane wanted
/// @param _subscriptionId Chainlink subscription ID
/// @param _callbackGasLimit Max gas used by the coordinator callback
event VRFSet(
address _vrfCoordinator,
bytes32 _keyHash,
uint64 _subscriptionId,
uint32 _callbackGasLimit
);
modifier isEOA() {
if (tx.origin != msg.sender) {
revert Launchpeg__Unauthorized();
}
_;
}
modifier onlyProjectOwner() {
if (projectOwner != msg.sender) {
revert Launchpeg__Unauthorized();
}
_;
}
/// @dev BaseLaunchpeg initialization
/// @param _name ERC721 name
/// @param _symbol ERC721 symbol
/// @param _projectOwner The project owner
/// @param _royaltyReceiver Royalty fee collector
/// @param _maxBatchSize Max amount of NFTs that can be minted at once
/// @param _collectionSize The collection size (e.g 10000)
/// @param _amountForDevs Amount of NFTs reserved for `projectOwner` (e.g 200)
/// @param _amountForAllowlist Amount of NFTs available for the allowlist mint (e.g 1000)
/// @param _batchRevealSize Size of the batch reveal
function initializeBaseLaunchpeg(
string memory _name,
string memory _symbol,
address _projectOwner,
address _royaltyReceiver,
uint256 _maxBatchSize,
uint256 _collectionSize,
uint256 _amountForDevs,
uint256 _amountForAllowlist,
uint256 _batchRevealSize,
uint256 _revealStartTime,
uint256 _revealInterval
) internal onlyInitializing {
__Ownable_init();
__ReentrancyGuard_init();
__ERC2981_init();
__ERC721A_init(_name, _symbol);
initializeBatchReveal(_batchRevealSize, _collectionSize);
if (_projectOwner == address(0)) {
revert Launchpeg__InvalidProjectOwner();
}
if (_amountForDevs + _amountForAllowlist > _collectionSize) {
revert Launchpeg__LargerCollectionSizeNeeded();
}
if (_maxBatchSize > _collectionSize) {
revert Launchpeg__InvalidMaxBatchSize();
}
// We assume that if the reveal is more than 100 days in the future, that's a mistake
// Same if the reveal interval is longer than 10 days
if (
_revealStartTime > block.timestamp + 8_640_000 ||
_revealInterval > 864_000
) {
revert Launchpeg__InvalidRevealDates();
}
projectOwner = _projectOwner;
// Default royalty is 5%
_setDefaultRoyalty(_royaltyReceiver, 500);
maxBatchSize = _maxBatchSize;
collectionSize = _collectionSize;
maxPerAddressDuringMint = _maxBatchSize;
amountForDevs = _amountForDevs;
amountForAllowlist = _amountForAllowlist;
revealStartTime = _revealStartTime;
revealInterval = _revealInterval;
}
/// @notice Initialize the sales fee percent taken by Joepegs and address that collects the fees
/// @param _joeFeePercent The fees collected by Joepegs on the sale benefits
/// @param _joeFeeCollector The address to which the fees on the sale will be sent
function initializeJoeFee(uint256 _joeFeePercent, address _joeFeeCollector)
external
override
onlyOwner
{
if (joeFeeCollector != address(0)) {
revert Launchpeg__JoeFeeAlreadyInitialized();
}
if (_joeFeePercent > BASIS_POINT_PRECISION) {
revert Launchpeg__InvalidPercent();
}
if (_joeFeeCollector == address(0)) {
revert Launchpeg__InvalidJoeFeeCollector();
}
joeFeePercent = _joeFeePercent;
joeFeeCollector = _joeFeeCollector;
emit JoeFeeInitialized(_joeFeePercent, _joeFeeCollector);
}
/// @notice Set the royalty fee
/// @param _receiver Royalty fee collector
/// @param _feePercent Royalty fee percent in basis point
function setRoyaltyInfo(address _receiver, uint96 _feePercent)
external
override
onlyOwner
{
// Royalty fees are limited to 25%
if (_feePercent > 2_500) {
revert Launchpeg__InvalidRoyaltyInfo();
}
_setDefaultRoyalty(_receiver, _feePercent);
emit DefaultRoyaltySet(_receiver, _feePercent);
}
/// @notice Set amount of NFTs mintable per address during the allowlist phase
/// @param _addresses List of addresses allowed to mint during the allowlist phase
/// @param _numNfts List of NFT quantities mintable per address
function seedAllowlist(
address[] calldata _addresses,
uint256[] calldata _numNfts
) external override onlyOwner {
uint256 addressesLength = _addresses.length;
if (addressesLength != _numNfts.length) {
revert Launchpeg__WrongAddressesAndNumSlotsLength();
}
for (uint256 i; i < addressesLength; i++) {
allowlist[_addresses[i]] = _numNfts[i];
}
emit AllowlistSeeded();
}
/// @notice Set the base URI
/// @dev This sets the URI for revealed tokens
/// Only callable by project owner
/// @param _baseURI Base URI to be set
function setBaseURI(string calldata _baseURI) external override onlyOwner {
baseURI = _baseURI;
emit BaseURISet(baseURI);
}
/// @notice Set the unrevealed URI
/// @dev Only callable by project owner
/// @param _unrevealedURI Unrevealed URI to be set
function setUnrevealedURI(string calldata _unrevealedURI)
external
override
onlyOwner
{
unrevealedURI = _unrevealedURI;
emit UnrevealedURISet(unrevealedURI);
}
/// @notice Set the project owner
/// @dev The project owner can call `devMint` any time
/// @param _projectOwner The project owner
function setProjectOwner(address _projectOwner)
external
override
onlyOwner
{
if (_projectOwner == address(0)) {
revert Launchpeg__InvalidProjectOwner();
}
projectOwner = _projectOwner;
emit ProjectOwnerUpdated(projectOwner);
}
/// @notice Set VRF configuration
/// @param _vrfCoordinator Chainlink coordinator address
/// @param _keyHash Keyhash of the gas lane wanted
/// @param _subscriptionId Chainlink subscription ID
/// @param _callbackGasLimit Max gas used by the coordinator callback
function setVRF(
address _vrfCoordinator,
bytes32 _keyHash,
uint64 _subscriptionId,
uint32 _callbackGasLimit
) external override onlyOwner {
if (_vrfCoordinator == address(0)) {
revert Launchpeg__InvalidCoordinator();
}
(
,
uint32 _maxGasLimit,
bytes32[] memory s_provingKeyHashes
) = VRFCoordinatorV2Interface(_vrfCoordinator).getRequestConfig();
// 20_000 is the cost of storing one word, callback cost will never be lower than that
if (_callbackGasLimit > _maxGasLimit || _callbackGasLimit < 20_000) {
revert Launchpeg__InvalidCallbackGasLimit();
}
bool keyHashFound;
for (uint256 i; i < s_provingKeyHashes.length; i++) {
if (s_provingKeyHashes[i] == _keyHash) {
keyHashFound = true;
break;
}
}
if (!keyHashFound) {
revert Launchpeg__InvalidKeyHash();
}
(, , , address[] memory consumers) = VRFCoordinatorV2Interface(
_vrfCoordinator
).getSubscription(_subscriptionId);
bool isInConsumerList;
for (uint256 i; i < consumers.length; i++) {
if (consumers[i] == address(this)) {
isInConsumerList = true;
break;
}
}
if (!isInConsumerList) {
revert Launchpeg__IsNotInTheConsumerList();
}
useVRF = true;
setVRFConsumer(_vrfCoordinator);
keyHash = _keyHash;
subscriptionId = _subscriptionId;
callbackGasLimit = _callbackGasLimit;
emit VRFSet(
_vrfCoordinator,
_keyHash,
_subscriptionId,
_callbackGasLimit
);
}
/// @notice Mint NFTs to the project owner
/// @dev Can only mint up to `amountForDevs`
/// @param _quantity Quantity of NFTs to mint
function devMint(uint256 _quantity) external override onlyProjectOwner {
if (totalSupply() + _quantity > collectionSize) {
revert Launchpeg__MaxSupplyReached();
}
if (amountMintedByDevs + _quantity > amountForDevs) {
revert Launchpeg__MaxSupplyForDevReached();
}
if (_quantity % maxBatchSize != 0) {
revert Launchpeg__CanOnlyMintMultipleOfMaxBatchSize();
}
amountMintedByDevs = amountMintedByDevs + _quantity;
uint256 numChunks = _quantity / maxBatchSize;
for (uint256 i; i < numChunks; i++) {
_mint(msg.sender, maxBatchSize, "", false);
}
emit DevMint(msg.sender, _quantity);
}
/// @notice Withdraw AVAX to the contract owner
/// @param _to Recipient of the earned AVAX
function withdrawAVAX(address _to)
external
override
onlyOwner
nonReentrant
{
uint256 amount = address(this).balance;
uint256 fee;
bool sent;
if (joeFeePercent > 0) {
fee = (amount * joeFeePercent) / BASIS_POINT_PRECISION;
amount = amount - fee;
(sent, ) = joeFeeCollector.call{value: fee}("");
if (!sent) {
revert Launchpeg__TransferFailed();
}
}
(sent, ) = _to.call{value: amount}("");
if (!sent) {
revert Launchpeg__TransferFailed();
}
emit AvaxWithdraw(_to, amount, fee);
}
/// @notice Reveals the next batch if the reveal conditions are met
function revealNextBatch() external override isEOA {
if (!_revealNextBatch(totalSupply())) {
revert Launchpeg__RevealNextBatchNotAvailable();
}
}
/// @notice Allows Owner to reveal batches even if the conditions are not met
function forceReveal() external override onlyOwner {
_forceReveal();
}
/// @notice Tells you if a batch can be revealed
/// @return bool Whether reveal can be triggered or not
/// @return uint256 The number of the next batch that will be revealed
function hasBatchToReveal() external view override returns (bool, uint256) {
return _hasBatchToReveal(totalSupply());
}
/// @notice Returns the ownership data of a specific token ID
/// @param _tokenId Token ID
/// @return TokenOwnership Ownership struct for a specific token ID
function getOwnershipData(uint256 _tokenId)
external
view
override
returns (TokenOwnership memory)
{
return _ownershipOf(_tokenId);
}
/// @notice Returns the Uniform Resource Identifier (URI) for `tokenId` token.
/// @param _id Token id
/// @return URI Token URI
function tokenURI(uint256 _id)
public
view
override(ERC721AUpgradeable, IERC721MetadataUpgradeable)
returns (string memory)
{
if (_id >= lastTokenRevealed) {
return unrevealedURI;
} else {
return
string(
abi.encodePacked(
baseURI,
_getShuffledTokenId(_id).toString()
)
);
}
}
/// @notice Returns the number of NFTs minted by a specific address
/// @param _owner The owner of the NFTs
/// @return numberMinted Number of NFTs minted
function numberMinted(address _owner)
public
view
override
returns (uint256)
{
return _numberMinted(_owner);
}
/// @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.
/// @param _interfaceId InterfaceId to consider. Comes from type(InterfaceContract).interfaceId
/// @return isInterfaceSupported True if the considered interface is supported
function supportsInterface(bytes4 _interfaceId)
public
view
virtual
override(ERC721AUpgradeable, ERC2981Upgradeable, IERC165Upgradeable)
returns (bool)
{
return
ERC721AUpgradeable.supportsInterface(_interfaceId) ||
ERC2981Upgradeable.supportsInterface(_interfaceId) ||
ERC165Upgradeable.supportsInterface(_interfaceId) ||
super.supportsInterface(_interfaceId);
}
/// @dev Verifies that enough AVAX has been sent by the sender and refunds the extra tokens if any
/// @param _price The price paid by the sender for minting NFTs
function _refundIfOver(uint256 _price) internal {
if (msg.value < _price) {
revert Launchpeg__NotEnoughAVAX(msg.value);
}
if (msg.value > _price) {
(bool success, ) = msg.sender.call{value: msg.value - _price}("");
if (!success) {
revert Launchpeg__TransferFailed();
}
}
}
}//SPDX-License-Identifier: CC0
pragma solidity ^0.8.4;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@chainlink/contracts/src/v0.8/interfaces/VRFCoordinatorV2Interface.sol";
import "./chainlink/VRFConsumerBaseV2Upgradeable.sol";
import "./interfaces/IBatchReveal.sol";
import "./LaunchpegErrors.sol";
// Creator: Tubby Cats
/// https://github.com/tubby-cats/batch-nft-reveal
/// @title BatchReveal
/// @notice Implements a gas efficient way of revealing NFT URIs gradually
abstract contract BatchReveal is
IBatchReveal,
VRFConsumerBaseV2Upgradeable,
Initializable
{
/// @dev Initialized on parent contract creation
uint256 private collectionSize;
int128 private intCollectionSize;
/// @notice Size of the batch reveal
/// @dev Must divide collectionSize
uint256 public override revealBatchSize;
/// @notice Randomized seeds used to shuffle TokenURIs
mapping(uint256 => uint256) public override batchToSeed;
/// @notice Last token that has been revealed
uint256 public override lastTokenRevealed = 0;
/// @dev Size of the array that will store already taken URIs numbers
uint256 private _rangeLength;
/// @notice Timestamp for the start of the reveal process
/// @dev Can be set to zero for immediate reveal after token mint
uint256 public override revealStartTime;
/// @notice Time interval for gradual reveal
/// @dev Can be set to zero in order to reveal the collection all at once
uint256 public override revealInterval;
/// @notice Contract uses VRF or pseudo-randomness
bool public override useVRF;
/// @notice Chainlink subscription ID
uint64 public override subscriptionId;
/// @notice The gas lane to use, which specifies the maximum gas price to bump to.
/// For a list of available gas lanes on each network,
/// see https://docs.chain.link/docs/vrf-contracts/#configurations
bytes32 public override keyHash;
/// @notice Depends on the number of requested values that you want sent to the
/// fulfillRandomWords() function. Storing each word costs about 20,000 gas,
/// so 100,000 is a safe default for this example contract. Test and adjust
/// this limit based on the network that you select, the size of the request,
/// and the processing of the callback request in the fulfillRandomWords()
/// function.
uint32 public override callbackGasLimit;
/// @notice Number of block confirmations that the coordinator will wait before triggering the callback
/// The default is 3
uint16 public constant override requestConfirmations = 3;
/// @notice Next batch that will be revealed by VRF, if activated
uint256 public override nextBatchToReveal;
/// @notice Has a batch been force revealed
/// @dev VRF will not be used anymore if a batch has been force revealed
bool public override hasBeenForceRevealed;
/// @notice Has the random number for a batch already been asked
/// @dev Prevents people from spamming the random words request
/// and therefore reveal more batches than expected
mapping(uint256 => bool) public override vrfRequestedForBatch;
struct Range {
int128 start;
int128 end;
}
/// @dev Emitted on revealNextBatch() and forceReveal()
/// @param batchNumber The batch revealed
/// @param batchSeed The random number drawn
event Reveal(uint256 batchNumber, uint256 batchSeed);
/// @dev BatchReveal initialization
/// @param _revealBatchSize Size of the batch reveal
/// @param _collectionSize Needs to be sent by child contract
function initializeBatchReveal(
uint256 _revealBatchSize,
uint256 _collectionSize
) internal onlyInitializing {
if (
_collectionSize % _revealBatchSize != 0 ||
_revealBatchSize == 0 ||
_revealBatchSize > _collectionSize
) {
revert Launchpeg__InvalidBatchRevealSize();
}
revealBatchSize = _revealBatchSize;
collectionSize = _collectionSize;
_rangeLength = (_collectionSize / _revealBatchSize) * 2;
intCollectionSize = int128(int256(_collectionSize));
}
// Forked from openzeppelin
/// @dev Returns the smallest of two numbers.
/// @param _a First number to consider
/// @param _b Second number to consider
/// @return min Minimum between the two params
function _min(int128 _a, int128 _b) internal pure returns (int128) {
return _a < _b ? _a : _b;
}
/// @notice Fills the range array
/// @dev Ranges include the start but not the end [start, end)
/// @param _ranges initial range array
/// @param _start beginning of the array to be added
/// @param _end end of the array to be added
/// @param _lastIndex last position in the range array to consider
/// @return newLastIndex new lastIndex to consider for the future range to be added
function _addRange(
Range[] memory _ranges,
int128 _start,
int128 _end,
uint256 _lastIndex
) private view returns (uint256) {
uint256 positionToAssume = _lastIndex;
for (uint256 j; j < _lastIndex; j++) {
int128 rangeStart = _ranges[j].start;
int128 rangeEnd = _ranges[j].end;
if (_start < rangeStart && positionToAssume == _lastIndex) {
positionToAssume = j;
}
if (
(_start < rangeStart && _end > rangeStart) ||
(rangeStart <= _start && _end <= rangeEnd) ||
(_start < rangeEnd && _end > rangeEnd)
) {
int128 length = _end - _start;
_start = _min(_start, rangeStart);
_end = _start + length + (rangeEnd - rangeStart);
_ranges[j] = Range(-1, -1); // Delete
}
}
for (uint256 pos = _lastIndex; pos > positionToAssume; pos--) {
_ranges[pos] = _ranges[pos - 1];
}
_ranges[positionToAssume] = Range(
_start,
_min(_end, intCollectionSize)
);
_lastIndex++;
if (_end > intCollectionSize) {
_addRange(_ranges, 0, _end - intCollectionSize, _lastIndex);
_lastIndex++;
}
return _lastIndex;
}
/// @dev Adds the last batch into the ranges array
/// @param _lastBatch Batch number to consider
/// @return ranges Ranges array filled with every URI taken by batches smaller or equal to lastBatch
function _buildJumps(uint256 _lastBatch)
private
view
returns (Range[] memory)
{
Range[] memory ranges = new Range[](_rangeLength);
uint256 lastIndex;
for (uint256 i; i < _lastBatch; i++) {
int128 start = int128(
int256(_getFreeTokenId(batchToSeed[i], ranges))
);
int128 end = start + int128(int256(revealBatchSize));
lastIndex = _addRange(ranges, start, end, lastIndex);
}
return ranges;
}
/// @dev Gets the random token URI number from tokenId
/// @param _startId Token Id to consider
/// @return uriId Revealed Token URI Id
function _getShuffledTokenId(uint256 _startId)
internal
view
returns (uint256)
{
uint256 batch = _startId / revealBatchSize;
Range[] memory ranges = new Range[](_rangeLength);
ranges = _buildJumps(batch);
uint256 positionsToMove = (_startId % revealBatchSize) +
batchToSeed[batch];
return _getFreeTokenId(positionsToMove, ranges);
}
/// @dev Gets the shifted URI number from tokenId and range array
/// @param _positionsToMoveStart Token URI offset if none of the URI Ids were taken
/// @param _ranges Ranges array built by _buildJumps()
/// @return uriId Revealed Token URI Id
function _getFreeTokenId(
uint256 _positionsToMoveStart,
Range[] memory _ranges
) private view returns (uint256) {
int128 positionsToMove = int128(int256(_positionsToMoveStart));
int128 id;
for (uint256 round = 0; round < 2; round++) {
for (uint256 i; i < _rangeLength; i++) {
int128 start = _ranges[i].start;
int128 end = _ranges[i].end;
if (id < start) {
int128 finalId = id + positionsToMove;
if (finalId < start) {
return uint256(uint128(finalId));
} else {
positionsToMove -= start - id;
id = end;
}
} else if (id < end) {
id = end;
}
}
if ((id + positionsToMove) >= intCollectionSize) {
positionsToMove -= intCollectionSize - id;
id = 0;
}
}
return uint256(uint128(id + positionsToMove));
}
/// @dev Sets batch seed for specified batch number
/// @param _batchNumber Batch number that needs to be revealed
function _setBatchSeed(uint256 _batchNumber) internal {
uint256 randomness = uint256(
keccak256(
abi.encode(
msg.sender,
tx.gasprice,
block.number,
block.timestamp,
block.difficulty,
blockhash(block.number - 1),
address(this)
)
)
);
// not perfectly random since the folding doesn't match bounds perfectly, but difference is small
batchToSeed[_batchNumber] =
randomness %
(collectionSize - (_batchNumber * revealBatchSize));
}
/// @dev Returns true if a batch can be revealed
/// @param _totalSupply Number of token already minted
/// @return hasToRevealInfo Returns a bool saying whether a reveal can be triggered or not
/// and the number of the next batch that will be revealed
function _hasBatchToReveal(uint256 _totalSupply)
internal
view
returns (bool, uint256)
{
uint256 batchNumber;
unchecked {
batchNumber = lastTokenRevealed / revealBatchSize;
}
// We don't want to reveal other batches if a VRF random words request is pending
if (
block.timestamp < revealStartTime + batchNumber * revealInterval ||
_totalSupply < lastTokenRevealed + revealBatchSize ||
vrfRequestedForBatch[batchNumber]
) {
return (false, batchNumber);
}
return (true, batchNumber);
}
/// @dev Reveals next batch if possible
/// @dev If using VRF, the reveal happens on the coordinator callback call
/// @param _totalSupply Number of token already minted
/// @return isRevealed Returns false if it is not possible to reveal the next batch
function _revealNextBatch(uint256 _totalSupply) internal returns (bool) {
uint256 batchNumber;
bool canReveal;
(canReveal, batchNumber) = _hasBatchToReveal(_totalSupply);
if (!canReveal) {
return false;
}
if (useVRF) {
VRFCoordinatorV2Interface(vrfCoordinator).requestRandomWords(
keyHash,
subscriptionId,
requestConfirmations,
callbackGasLimit,
1
);
vrfRequestedForBatch[batchNumber] = true;
} else {
lastTokenRevealed += revealBatchSize;
_setBatchSeed(batchNumber);
emit Reveal(batchNumber, batchToSeed[batchNumber]);
}
return true;
}
/// @dev Callback triggered by the VRF coordinator
/// @param _randomWords Array of random numbers provided by the VRF coordinator
function fulfillRandomWords(
uint256, /* requestId */
uint256[] memory _randomWords
) internal override {
if (hasBeenForceRevealed) {
revert Launchpeg__HasBeenForceRevealed();
}
uint256 _batchToReveal = nextBatchToReveal++;
uint256 _revealBatchSize = revealBatchSize;
uint256 _seed = _randomWords[0] %
(collectionSize - (_batchToReveal * _revealBatchSize));
batchToSeed[_batchToReveal] = _seed;
lastTokenRevealed += _revealBatchSize;
emit Reveal(_batchToReveal, batchToSeed[_batchToReveal]);
}
/// @dev Force reveal, should be restricted to owner
function _forceReveal() internal {
uint256 batchNumber;
unchecked {
batchNumber = lastTokenRevealed / revealBatchSize;
lastTokenRevealed += revealBatchSize;
}
_setBatchSeed(batchNumber);
hasBeenForceRevealed = true;
emit Reveal(batchNumber, batchToSeed[batchNumber]);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "./interfaces/IFlatLaunchpeg.sol";
import "./BaseLaunchpeg.sol";
/// @title FlatLaunchpeg
/// @author Trader Joe
/// @notice Implements a simple minting NFT contract with an allowlist and public sale phase.
contract FlatLaunchpeg is BaseLaunchpeg, IFlatLaunchpeg {
/// @notice Price of one NFT for people on the mint list
/// @dev allowlistPrice is scaled to 1e18
uint256 public override allowlistPrice;
/// @notice Price of one NFT during the public sale
/// @dev salePrice is scaled to 1e18
uint256 public override salePrice;
/// @dev Emitted on initializePhases()
/// @param allowlistStartTime Allowlist mint start time in seconds
/// @param publicSaleStartTime Public sale start time in seconds
/// @param allowlistPrice Price of the allowlist sale in Avax
/// @param salePrice Price of the public sale in Avax
event Initialized(
uint256 allowlistStartTime,
uint256 publicSaleStartTime,
uint256 allowlistPrice,
uint256 salePrice
);
/// @dev Emitted on allowlistMint(), publicSaleMint()
/// @param sender The address that minted
/// @param quantity Amount of NFTs minted
/// @param price Price in AVAX for the NFTs
/// @param tokenId The token ID of the first minted NFT
event Mint(
address indexed sender,
uint256 quantity,
uint256 price,
uint256 tokenId
);
/// @dev Emitted on setPublicSaleActive()
/// @param isActive True if the public sale is open, false otherwise
event PublicSaleStateChanged(bool isActive);
modifier atPhase(Phase _phase) {
if (currentPhase() != _phase) {
revert Launchpeg__WrongPhase();
}
_;
}
/// @notice FlatLaunchpeg initialization
/// Can only be called once
/// @param _name ERC721 name
/// @param _symbol ERC721 symbol
/// @param _projectOwner The project owner
/// @param _royaltyReceiver Royalty fee collector
/// @param _maxBatchSize Max amount of NFTs that can be minted at once
/// @param _collectionSize The collection size (e.g 10000)
/// @param _amountForDevs Amount of NFTs reserved for `projectOwner` (e.g 200)
/// @param _amountForAllowlist Amount of NFTs available for the allowlist mint (e.g 1000)
/// @param _batchRevealSize Size of the batch reveal
/// @param _revealStartTime Start of the token URIs reveal in seconds
/// @param _revealInterval Interval between two batch reveals in seconds
function initialize(
string memory _name,
string memory _symbol,
address _projectOwner,
address _royaltyReceiver,
uint256 _maxBatchSize,
uint256 _collectionSize,
uint256 _amountForDevs,
uint256 _amountForAllowlist,
uint256 _batchRevealSize,
uint256 _revealStartTime,
uint256 _revealInterval
) external override initializer {
initializeBaseLaunchpeg(
_name,
_symbol,
_projectOwner,
_royaltyReceiver,
_maxBatchSize,
_collectionSize,
_amountForDevs,
_amountForAllowlist,
_batchRevealSize,
_revealStartTime,
_revealInterval
);
}
/// @notice Initialize the two phases of the sale
/// @dev Can only be called once
/// @param _allowlistStartTime Allowlist mint start time in seconds
/// @param _publicSaleStartTime Public sale start time in seconds
/// @param _allowlistPrice Price of the allowlist sale in Avax
/// @param _salePrice Price of the public sale in Avax
function initializePhases(
uint256 _allowlistStartTime,
uint256 _publicSaleStartTime,
uint256 _allowlistPrice,
uint256 _salePrice
) external override onlyOwner atPhase(Phase.NotStarted) {
if (_allowlistStartTime < block.timestamp) {
revert Launchpeg__InvalidStartTime();
}
if (_publicSaleStartTime < _allowlistStartTime) {
revert Launchpeg__PublicSaleBeforeAllowlist();
}
if (_allowlistPrice > _salePrice) {
revert Launchpeg__InvalidAllowlistPrice();
}
salePrice = _salePrice;
allowlistPrice = _allowlistPrice;
allowlistStartTime = _allowlistStartTime;
publicSaleStartTime = _publicSaleStartTime;
emit Initialized(
allowlistStartTime,
publicSaleStartTime,
allowlistPrice,
salePrice
);
}
/// @notice Mint NFTs during the allowlist mint
/// @param _quantity Quantity of NFTs to mint
function allowlistMint(uint256 _quantity)
external
payable
override
atPhase(Phase.Allowlist)
{
if (_quantity > allowlist[msg.sender]) {
revert Launchpeg__NotEligibleForAllowlistMint();
}
if (
totalSupply() + _quantity > collectionSize ||
amountMintedDuringAllowlist + _quantity > amountForAllowlist
) {
revert Launchpeg__MaxSupplyReached();
}
allowlist[msg.sender] -= _quantity;
uint256 totalCost = allowlistPrice * _quantity;
_mint(msg.sender, _quantity, "", false);
amountMintedDuringAllowlist += _quantity;
emit Mint(
msg.sender,
_quantity,
allowlistPrice,
_totalMinted() - _quantity
);
_refundIfOver(totalCost);
}
/// @notice Mint NFTs during the public sale
/// @param _quantity Quantity of NFTs to mint
function publicSaleMint(uint256 _quantity)
external
payable
override
isEOA
atPhase(Phase.PublicSale)
{
if (numberMinted(msg.sender) + _quantity > maxPerAddressDuringMint) {
revert Launchpeg__CanNotMintThisMany();
}
if (totalSupply() + _quantity > collectionSize) {
revert Launchpeg__MaxSupplyReached();
}
uint256 total = salePrice * _quantity;
_mint(msg.sender, _quantity, "", false);
amountMintedDuringPublicSale += _quantity;
emit Mint(msg.sender, _quantity, salePrice, _totalMinted() - _quantity);
_refundIfOver(total);
}
/// @notice Returns the current phase
/// @return phase Current phase
function currentPhase() public view override returns (Phase) {
if (
allowlistStartTime == 0 ||
publicSaleStartTime == 0 ||
block.timestamp < allowlistStartTime
) {
return Phase.NotStarted;
} else if (
block.timestamp >= allowlistStartTime &&
block.timestamp < publicSaleStartTime
) {
return Phase.Allowlist;
}
return Phase.PublicSale;
}
/// @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.
/// @param _interfaceId InterfaceId to consider. Comes from type(Interface).interfaceId
/// @return isInterfaceSupported True if the considered interface is supported
function supportsInterface(bytes4 _interfaceId)
public
view
virtual
override(BaseLaunchpeg, IERC165Upgradeable)
returns (bool)
{
return
_interfaceId == type(IFlatLaunchpeg).interfaceId ||
super.supportsInterface(_interfaceId);
}
}// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; error LaunchpegFactory__InvalidImplementation(); error Launchpeg__CanNotMintThisMany(); error Launchpeg__CanOnlyMintMultipleOfMaxBatchSize(); error Launchpeg__EndPriceGreaterThanStartPrice(); error Launchpeg__HasBeenForceRevealed(); error Launchpeg__JoeFeeAlreadyInitialized(); error Launchpeg__InvalidAuctionDropInterval(); error Launchpeg__InvalidStartTime(); error Launchpeg__InvalidBatchRevealSize(); error Launchpeg__InvalidCallbackGasLimit(); error Launchpeg__InvalidCoordinator(); error Launchpeg__InvalidKeyHash(); error Launchpeg__InvalidJoeFeeCollector(); error Launchpeg__InvalidMaxBatchSize(); error Launchpeg__InvalidAllowlistPrice(); error Launchpeg__InvalidProjectOwner(); error Launchpeg__InvalidPercent(); error Launchpeg__InvalidRevealDates(); error Launchpeg__InvalidRoyaltyInfo(); error Launchpeg__IsNotInTheConsumerList(); error Launchpeg__LargerCollectionSizeNeeded(); error Launchpeg__MaxSupplyForDevReached(); error Launchpeg__MaxSupplyReached(); error Launchpeg__AllowlistBeforeAuction(); error Launchpeg__NotEligibleForAllowlistMint(); error Launchpeg__NotEnoughAVAX(uint256 avaxSent); error Launchpeg__PublicSaleBeforeAllowlist(); error Launchpeg__RevealNextBatchNotAvailable(); error Launchpeg__TransferFailed(); error Launchpeg__Unauthorized(); error Launchpeg__WrongAddressesAndNumSlotsLength(); error Launchpeg__WrongPhase();
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// ------------------------------------------------------------------------------
/// @notice Interface for contracts using VRF randomness
/// Forked from chainlink/contracts/src/v0.8/VRFConsumerBaseV2.sol
/// ------------------------------------------------------------------------------
/// @dev PURPOSE
///
/// @dev Reggie the Random Oracle (not his real job) wants to provide randomness
/// @dev to Vera the verifier in such a way that Vera can be sure he's not
/// @dev making his output up to suit himself. Reggie provides Vera a public key
/// @dev to which he knows the secret key. Each time Vera provides a seed to
/// @dev Reggie, he gives back a value which is computed completely
/// @dev deterministically from the seed and the secret key.
///
/// @dev Reggie provides a proof by which Vera can verify that the output was
/// @dev correctly computed once Reggie tells it to her, but without that proof,
/// @dev the output is indistinguishable to her from a uniform random sample
/// @dev from the output space.
///
/// @dev The purpose of this contract is to make it easy for unrelated contracts
/// @dev to talk to Vera the verifier about the work Reggie is doing, to provide
/// @dev simple access to a verifiable source of randomness. It ensures 2 things:
/// @dev 1. The fulfillment came from the VRFCoordinator
/// @dev 2. The consumer contract implements fulfillRandomWords.
/// @dev USAGE
///
/// @dev Calling contracts must inherit from VRFConsumerBase, and can
/// @dev initialize VRFConsumerBase's attributes in their constructor as
/// @dev shown:
///
/// @dev contract VRFConsumer {
/// @dev constructor(<other arguments>, address _vrfCoordinator, address _link)
/// @dev VRFConsumerBase(_vrfCoordinator) public {
/// @dev <initialization with other arguments goes here>
/// @dev }
/// @dev }
///
/// @dev The oracle will have given you an ID for the VRF keypair they have
/// @dev committed to (let's call it keyHash). Create subscription, fund it
/// @dev and your consumer contract as a consumer of it (see VRFCoordinatorInterface
/// @dev subscription management functions).
/// @dev Call requestRandomWords(keyHash, subId, minimumRequestConfirmations,
/// @dev callbackGasLimit, numWords),
/// @dev see (VRFCoordinatorInterface for a description of the arguments).
///
/// @dev Once the VRFCoordinator has received and validated the oracle's response
/// @dev to your request, it will call your contract's fulfillRandomWords method.
///
/// @dev The randomness argument to fulfillRandomWords is a set of random words
/// @dev generated from your requestId and the blockHash of the request.
///
/// @dev If your contract could have concurrent requests open, you can use the
/// @dev requestId returned from requestRandomWords to track which response is associated
/// @dev with which randomness request.
/// @dev See "SECURITY CONSIDERATIONS" for principles to keep in mind,
/// @dev if your contract could have multiple requests in flight simultaneously.
///
/// @dev Colliding `requestId`s are cryptographically impossible as long as seeds
/// @dev differ.
///
/// ------------------------------------------------------------------------------
/// @dev SECURITY CONSIDERATIONS
///
/// @dev A method with the ability to call your fulfillRandomness method directly
/// @dev could spoof a VRF response with any random value, so it's critical that
/// @dev it cannot be directly called by anything other than this base contract
/// @dev (specifically, by the VRFConsumerBase.rawFulfillRandomness method).
///
/// @dev For your users to trust that your contract's random behavior is free
/// @dev from malicious interference, it's best if you can write it so that all
/// @dev behaviors implied by a VRF response are executed ///during/// your
/// @dev fulfillRandomness method. If your contract must store the response (or
/// @dev anything derived from it) and use it later, you must ensure that any
/// @dev user-significant behavior which depends on that stored value cannot be
/// @dev manipulated by a subsequent VRF request.
///
/// @dev Similarly, both miners and the VRF oracle itself have some influence
/// @dev over the order in which VRF responses appear on the blockchain, so if
/// @dev your contract could have multiple VRF requests in flight simultaneously,
/// @dev you must ensure that the order in which the VRF responses arrive cannot
/// @dev be used to manipulate your contract's user-significant behavior.
///
/// @dev Since the block hash of the block which contains the requestRandomness
/// @dev call is mixed into the input to the VRF ///last///, a sufficiently powerful
/// @dev miner could, in principle, fork the blockchain to evict the block
/// @dev containing the request, forcing the request to be included in a
/// @dev different block with a different hash, and therefore a different input
/// @dev to the VRF. However, such an attack would incur a substantial economic
/// @dev cost. This cost scales with the number of blocks the VRF oracle waits
/// @dev until it calls responds to a request. It is for this reason that
/// @dev that you can signal to an oracle you'd like them to wait longer before
/// @dev responding to the request (however this is not enforced in the contract
/// @dev and so remains effective only in the case of unmodified oracle software).
///
abstract contract VRFConsumerBaseV2Upgradeable {
error OnlyCoordinatorCanFulfill(address have, address want);
address internal vrfCoordinator;
/// @notice Initializes the vrf coordinator address
/// @param _vrfCoordinator address of VRFCoordinator contract
function setVRFConsumer(address _vrfCoordinator) internal {
vrfCoordinator = _vrfCoordinator;
}
/// @notice fulfillRandomness handles the VRF response. Your contract must
/// @notice implement it. See "SECURITY CONSIDERATIONS" above for important
/// @notice principles to keep in mind when implementing your fulfillRandomness
/// @notice method.
///
/// @dev VRFConsumerBaseV2 expects its subcontracts to have a method with this
/// @dev signature, and will call it once it has verified the proof
/// @dev associated with the randomness. (It is triggered via a call to
/// @dev rawFulfillRandomness, below.)
///
/// @param requestId The Id initially returned by requestRandomness
/// @param randomWords the VRF output expanded to the requested number of words
function fulfillRandomWords(uint256 requestId, uint256[] memory randomWords)
internal
virtual;
/// @notice rawFulfillRandomness is called by VRFCoordinator when it receives a valid VRF
/// proof. rawFulfillRandomness then calls fulfillRandomness, after validating
/// the origin of the call
function rawFulfillRandomWords(
uint256 requestId,
uint256[] memory randomWords
) external {
if (msg.sender != vrfCoordinator) {
revert OnlyCoordinatorCanFulfill(msg.sender, vrfCoordinator);
}
fulfillRandomWords(requestId, randomWords);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol";
import "erc721a-upgradeable/contracts/ERC721AUpgradeable.sol";
/// @title IBaseLaunchpeg
/// @author Trader Joe
/// @notice Defines the basic interface of BaseLaunchpeg
interface IBaseLaunchpeg is IERC721Upgradeable, IERC721MetadataUpgradeable {
enum Phase {
NotStarted,
DutchAuction,
Allowlist,
PublicSale
}
function collectionSize() external view returns (uint256);
function unrevealedURI() external view returns (string memory);
function baseURI() external view returns (string memory);
function amountForDevs() external view returns (uint256);
function amountForAllowlist() external view returns (uint256);
function maxBatchSize() external view returns (uint256);
function maxPerAddressDuringMint() external view returns (uint256);
function joeFeePercent() external view returns (uint256);
function joeFeeCollector() external view returns (address);
function projectOwner() external view returns (address);
function allowlist(address) external view returns (uint256);
function amountMintedByDevs() external view returns (uint256);
function amountMintedDuringAllowlist() external view returns (uint256);
function amountMintedDuringPublicSale() external view returns (uint256);
function allowlistStartTime() external view returns (uint256);
function publicSaleStartTime() external view returns (uint256);
function initializeJoeFee(uint256 _joeFeePercent, address _joeFeeCollector)
external;
function setRoyaltyInfo(address receiver, uint96 feePercent) external;
function seedAllowlist(
address[] memory _addresses,
uint256[] memory _numSlots
) external;
function setBaseURI(string calldata baseURI) external;
function setUnrevealedURI(string calldata baseURI) external;
function setProjectOwner(address _projectOwner) external;
function setVRF(
address _vrfCoordinator,
bytes32 _keyHash,
uint64 _subscriptionId,
uint32 _callbackGasLimit
) external;
function devMint(uint256 quantity) external;
function withdrawAVAX(address to) external;
function revealNextBatch() external;
function forceReveal() external;
function hasBatchToReveal() external view returns (bool, uint256);
function getOwnershipData(uint256 tokenId)
external
view
returns (ERC721AUpgradeable.TokenOwnership memory);
function numberMinted(address owner) external view returns (uint256);
function currentPhase() external view returns (Phase);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// @title IBaseLaunchpeg
/// @author Trader Joe
/// @notice Defines the basic interface of BaseLaunchpeg
interface IBatchReveal {
function revealBatchSize() external view returns (uint256);
function batchToSeed(uint256) external view returns (uint256);
function lastTokenRevealed() external view returns (uint256);
function revealStartTime() external view returns (uint256);
function revealInterval() external view returns (uint256);
function useVRF() external view returns (bool);
function subscriptionId() external view returns (uint64);
function keyHash() external view returns (bytes32);
function callbackGasLimit() external view returns (uint32);
function requestConfirmations() external view returns (uint16);
function nextBatchToReveal() external view returns (uint256);
function hasBeenForceRevealed() external view returns (bool);
function vrfRequestedForBatch(uint256) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "./IBaseLaunchpeg.sol";
/// @title ILaunchpeg
/// @author Trader Joe
/// @notice Defines the basic interface of FlatLaunchpeg
interface IFlatLaunchpeg is IBaseLaunchpeg {
struct FlatLaunchpegPrices {
uint256 salePrice;
uint256 allowlistPrice;
}
function allowlistPrice() external view returns (uint256);
function salePrice() external view returns (uint256);
function initialize(
string memory _name,
string memory _symbol,
address _projectOwner,
address _royaltyReceiver,
uint256 _maxBatchSize,
uint256 _collectionSize,
uint256 _amountForDevs,
uint256 _amountForAllowlist,
uint256 _batchRevealSize,
uint256 _revealStartTime,
uint256 _revealInterval
) external;
function initializePhases(
uint256 _allowlistStartTime,
uint256 _publicSaleStartTime,
uint256 _allowlistPrice,
uint256 _salePrice
) external;
function allowlistMint(uint256 _quantity) external payable;
function publicSaleMint(uint256 _quantity) external payable;
}// SPDX-License-Identifier: MIT
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerQueryForNonexistentToken();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata 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 that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
*
* Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
*/
contract ERC721AUpgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {
using AddressUpgradeable for address;
using StringsUpgradeable for uint256;
// Compiler will pack this into a single 256bit word.
struct TokenOwnership {
// The address of the owner.
address addr;
// Keeps track of the start time of ownership with minimal overhead for tokenomics.
uint64 startTimestamp;
// Whether the token has been burned.
bool burned;
}
// Compiler will pack this into a single 256bit word.
struct AddressData {
// Realistically, 2**64-1 is more than enough.
uint64 balance;
// Keeps track of mint count with minimal overhead for tokenomics.
uint64 numberMinted;
// Keeps track of burn count with minimal overhead for tokenomics.
uint64 numberBurned;
// For miscellaneous variable(s) pertaining to the address
// (e.g. number of whitelist mint slots used).
// If there are multiple variables, please pack them into a uint64.
uint64 aux;
}
// The tokenId of the next token to be minted.
uint256 internal _currentIndex;
// The number of tokens burned.
uint256 internal _burnCounter;
// 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) internal _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;
function __ERC721A_init(string memory name_, string memory symbol_) internal onlyInitializing {
__ERC721A_init_unchained(name_, symbol_);
}
function __ERC721A_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
_name = name_;
_symbol = symbol_;
_currentIndex = _startTokenId();
}
/**
* To change the starting tokenId, please override this function.
*/
function _startTokenId() internal view virtual returns (uint256) {
return 0;
}
/**
* @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
*/
function totalSupply() public view returns (uint256) {
// Counter underflow is impossible as _burnCounter cannot be incremented
// more than _currentIndex - _startTokenId() times
unchecked {
return _currentIndex - _burnCounter - _startTokenId();
}
}
/**
* Returns the total amount of tokens minted in the contract.
*/
function _totalMinted() internal view returns (uint256) {
// Counter underflow is impossible as _currentIndex does not decrement,
// and it is initialized to _startTokenId()
unchecked {
return _currentIndex - _startTokenId();
}
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
return
interfaceId == type(IERC721Upgradeable).interfaceId ||
interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view override returns (uint256) {
if (owner == address(0)) revert BalanceQueryForZeroAddress();
return uint256(_addressData[owner].balance);
}
/**
* Returns the number of tokens minted by `owner`.
*/
function _numberMinted(address owner) internal view returns (uint256) {
return uint256(_addressData[owner].numberMinted);
}
/**
* Returns the number of tokens burned by or on behalf of `owner`.
*/
function _numberBurned(address owner) internal view returns (uint256) {
return uint256(_addressData[owner].numberBurned);
}
/**
* Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
*/
function _getAux(address owner) internal view returns (uint64) {
return _addressData[owner].aux;
}
/**
* Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
* If there are multiple variables, please pack them into a uint64.
*/
function _setAux(address owner, uint64 aux) internal {
_addressData[owner].aux = aux;
}
/**
* Gas spent here starts off proportional to the maximum mint batch size.
* It gradually moves to O(1) as tokens get transferred around in the collection over time.
*/
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.burned) {
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 OwnerQueryForNonexistentToken();
}
/**
* @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) {
if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
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 override {
address owner = ERC721AUpgradeable.ownerOf(tokenId);
if (to == owner) revert ApprovalToCurrentOwner();
if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
revert ApprovalCallerNotOwnerNorApproved();
}
_approve(to, tokenId, owner);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view override returns (address) {
if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
if (operator == _msgSender()) revert ApproveToCaller();
_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 {
_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 {
_transfer(from, to, tokenId);
if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
}
/**
* @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 && !_ownerships[tokenId].burned;
}
function _safeMint(address to, uint256 quantity) internal {
_safeMint(to, quantity, '');
}
/**
* @dev Safely mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event.
*/
function _safeMint(
address to,
uint256 quantity,
bytes memory _data
) internal {
_mint(to, quantity, _data, true);
}
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event.
*/
function _mint(
address to,
uint256 quantity,
bytes memory _data,
bool safe
) internal {
uint256 startTokenId = _currentIndex;
if (to == address(0)) revert MintToZeroAddress();
if (quantity == 0) revert MintZeroQuantity();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are incredibly unrealistic.
// balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
// updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
unchecked {
_addressData[to].balance += uint64(quantity);
_addressData[to].numberMinted += uint64(quantity);
_ownerships[startTokenId].addr = to;
_ownerships[startTokenId].startTimestamp = uint64(block.timestamp);
uint256 updatedIndex = startTokenId;
uint256 end = updatedIndex + quantity;
if (safe && to.isContract()) {
do {
emit Transfer(address(0), to, updatedIndex);
if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
} while (updatedIndex != end);
// Reentrancy protection
if (_currentIndex != startTokenId) revert();
} else {
do {
emit Transfer(address(0), to, updatedIndex++);
} while (updatedIndex != end);
}
_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);
if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();
bool isApprovedOrOwner = (_msgSender() == from ||
isApprovedForAll(from, _msgSender()) ||
getApproved(tokenId) == _msgSender());
if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
if (to == address(0)) revert TransferToZeroAddress();
_beforeTokenTransfers(from, to, tokenId, 1);
// Clear approvals from the previous owner
_approve(address(0), tokenId, from);
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
unchecked {
_addressData[from].balance -= 1;
_addressData[to].balance += 1;
TokenOwnership storage currSlot = _ownerships[tokenId];
currSlot.addr = to;
currSlot.startTimestamp = 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;
TokenOwnership storage nextSlot = _ownerships[nextTokenId];
if (nextSlot.addr == address(0)) {
// This will suffice for checking _exists(nextTokenId),
// as a burned slot cannot contain the zero address.
if (nextTokenId != _currentIndex) {
nextSlot.addr = from;
nextSlot.startTimestamp = prevOwnership.startTimestamp;
}
}
}
emit Transfer(from, to, tokenId);
_afterTokenTransfers(from, to, tokenId, 1);
}
/**
* @dev This is equivalent to _burn(tokenId, false)
*/
function _burn(uint256 tokenId) internal virtual {
_burn(tokenId, false);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
TokenOwnership memory prevOwnership = _ownershipOf(tokenId);
address from = prevOwnership.addr;
if (approvalCheck) {
bool isApprovedOrOwner = (_msgSender() == from ||
isApprovedForAll(from, _msgSender()) ||
getApproved(tokenId) == _msgSender());
if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
}
_beforeTokenTransfers(from, address(0), tokenId, 1);
// Clear approvals from the previous owner
_approve(address(0), tokenId, from);
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
unchecked {
AddressData storage addressData = _addressData[from];
addressData.balance -= 1;
addressData.numberBurned += 1;
// Keep track of who burned the token, and the timestamp of burning.
TokenOwnership storage currSlot = _ownerships[tokenId];
currSlot.addr = from;
currSlot.startTimestamp = uint64(block.timestamp);
currSlot.burned = true;
// If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
// Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
uint256 nextTokenId = tokenId + 1;
TokenOwnership storage nextSlot = _ownerships[nextTokenId];
if (nextSlot.addr == address(0)) {
// This will suffice for checking _exists(nextTokenId),
// as a burned slot cannot contain the zero address.
if (nextTokenId != _currentIndex) {
nextSlot.addr = from;
nextSlot.startTimestamp = prevOwnership.startTimestamp;
}
}
}
emit Transfer(from, address(0), tokenId);
_afterTokenTransfers(from, address(0), tokenId, 1);
// Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
unchecked {
_burnCounter++;
}
}
/**
* @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);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target 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 _checkContractOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721ReceiverUpgradeable(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert TransferToNonERC721ReceiverImplementer();
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
}
/**
* @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
* And also called before burning one token.
*
* 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`.
* - When `to` is zero, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
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.
* And also called after one token has been burned.
*
* 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` has been
* transferred to `to`.
* - When `from` is zero, `tokenId` has been minted for `to`.
* - When `to` is zero, `tokenId` has been burned by `from`.
* - `from` and `to` are never both zero.
*/
function _afterTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[42] private __gap;
}{
"evmVersion": "berlin",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [],
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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alInterval","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"revealNextBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"salePrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"},{"internalType":"uint256[]","name":"_numNfts","type":"uint256[]"}],"name":"seedAllowlist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_projectOwner","type":"address"}],"name":"setProjectOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"uint96","name":"_feePercent","type":"uint96"}],"name":"setRoyaltyInfo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_unrevealedURI","type":"string"}],"name":"setUnrevealedURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vrfCoordinator","type":"address"},{"internalType":"bytes32","name":"_keyHash","type":"bytes32"},{"internalType":"uint64","name":"_subscriptionId","type":"uint64"},{"internalType":"uint32","name":"_callbackGasLimit","type":"uint32"}],"name":"setVRF","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"subscriptionId","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_id","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unrevealedURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"useVRF","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"vrfRequestedForBatch","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"}],"name":"withdrawAVAX","outputs":[],"stateMutability":"nonpayable","type":"function"}]Contract 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