Token Smol Creeps
Overview ERC721
Total Supply:
800 CREEPS
Holders:
333 addresses
Transfers:
-
Contract:
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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
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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 Creation Code
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