ERC-721
Overview
Max Total Supply
255 FF
Holders
68
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
2 FFLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
FiftiesFriendsContract
Compiler Version
v0.8.9+commit.e5eed63a
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2023-04-13 */ //*********************************************************************// //*********************************************************************// // // // ███████╗██╗███████╗████████╗██╗███████╗███████╗ ███████╗██████╗ ██╗███████╗███╗ ██╗██████╗ ███████╗ // ██╔════╝██║██╔════╝╚══██╔══╝██║██╔════╝██╔════╝ ██╔════╝██╔══██╗██║██╔════╝████╗ ██║██╔══██╗██╔════╝ // █████╗ ██║█████╗ ██║ ██║█████╗ ███████╗ █████╗ ██████╔╝██║█████╗ ██╔██╗ ██║██║ ██║███████╗ // ██╔══╝ ██║██╔══╝ ██║ ██║██╔══╝ ╚════██║ ██╔══╝ ██╔══██╗██║██╔══╝ ██║╚██╗██║██║ ██║╚════██║ // ██║ ██║██║ ██║ ██║███████╗███████║ ██║ ██║ ██║██║███████╗██║ ╚████║██████╔╝███████║ // ╚═╝ ╚═╝╚═╝ ╚═╝ ╚═╝╚══════╝╚══════╝ ╚═╝ ╚═╝ ╚═╝╚═╝╚══════╝╚═╝ ╚═══╝╚═════╝ ╚══════╝ // // // //*********************************************************************// //*********************************************************************// //-------------DEPENDENCIES--------------------------// // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if account is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, isContract will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on isContract to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's transfer: sends amount wei to * recipient, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by transfer, making them unable to receive funds via * transfer. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to recipient, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level call. A * plain call is an unsafe replacement for a function call: use this * function instead. * * If target reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[abi.decode]. * * Requirements: * * - target must be a contract. * - calling target with data must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[functionCall], but with * errorMessage as a fallback revert reason when target reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[functionCall], * but also transferring value wei to target. * * Requirements: * * - the calling contract must have an ETH balance of at least value. * - the called Solidity function must be payable. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[functionCallWithValue], but * with errorMessage as a fallback revert reason when target reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[functionCall], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[functionCall], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[functionCall], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[functionCall], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} tokenId token is transferred to this contract via {IERC721-safeTransferFrom} * by operator from from, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with IERC721.onERC721Received.selector. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * interfaceId. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when tokenId token is transferred from from to to. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when owner enables approved to manage the tokenId token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when owner enables or disables (approved) operator to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in owner's account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the tokenId token. * * Requirements: * * - tokenId must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers tokenId token from from to to, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - from cannot be the zero address. * - to cannot be the zero address. * - tokenId token must exist and be owned by from. * - If the caller is not from, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If to refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers tokenId token from from to to. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - from cannot be the zero address. * - to cannot be the zero address. * - tokenId token must be owned by from. * - If the caller is not from, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to to to transfer tokenId token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - tokenId must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for tokenId token. * * Requirements: * * - tokenId must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove operator as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The operator cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the operator is allowed to manage all of the assets of owner. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers tokenId token from from to to. * * Requirements: * * - from cannot be the zero address. * - to cannot be the zero address. * - tokenId token must exist and be owned by from. * - If the caller is not from, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If to refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by owner at a given index of its token list. * Use along with {balanceOf} to enumerate all of owner's tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256); /** * @dev Returns a token ID at a given index of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for tokenId token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a uint256 to its ASCII string hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a uint256 to its ASCII string hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/security/ReentrancyGuard.sol // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from ReentrancyGuard will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single nonReentrant guard, functions marked as * nonReentrant may not call one another. This can be worked around by making * those functions private, and then adding external nonReentrant entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a nonReentrant function from another nonReentrant * function is not supported. It is possible to prevent this from happening * by making the nonReentrant function external, and making it call a * private function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * onlyOwner, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ function _onlyOwner() private view { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } modifier onlyOwner() { _onlyOwner(); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * onlyOwner functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (newOwner). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (newOwner). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File contracts/OperatorFilter/IOperatorFilterRegistry.sol pragma solidity ^0.8.9; interface IOperatorFilterRegistry { function isOperatorAllowed(address registrant, address operator) external view returns (bool); function register(address registrant) external; function registerAndSubscribe(address registrant, address subscription) external; function registerAndCopyEntries(address registrant, address registrantToCopy) external; function updateOperator(address registrant, address operator, bool filtered) external; function updateOperators(address registrant, address[] calldata operators, bool filtered) external; function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external; function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external; function subscribe(address registrant, address registrantToSubscribe) external; function unsubscribe(address registrant, bool copyExistingEntries) external; function subscriptionOf(address addr) external returns (address registrant); function subscribers(address registrant) external returns (address[] memory); function subscriberAt(address registrant, uint256 index) external returns (address); function copyEntriesOf(address registrant, address registrantToCopy) external; function isOperatorFiltered(address registrant, address operator) external returns (bool); function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool); function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool); function filteredOperators(address addr) external returns (address[] memory); function filteredCodeHashes(address addr) external returns (bytes32[] memory); function filteredOperatorAt(address registrant, uint256 index) external returns (address); function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32); function isRegistered(address addr) external returns (bool); function codeHashOf(address addr) external returns (bytes32); } // File contracts/OperatorFilter/OperatorFilterer.sol pragma solidity ^0.8.9; abstract contract OperatorFilterer { error OperatorNotAllowed(address operator); IOperatorFilterRegistry constant operatorFilterRegistry = IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E); constructor(address subscriptionOrRegistrantToCopy, bool subscribe) { // If an inheriting token contract is deployed to a network without the registry deployed, the modifier // will not revert, but the contract will need to be registered with the registry once it is deployed in // order for the modifier to filter addresses. if (address(operatorFilterRegistry).code.length > 0) { if (subscribe) { operatorFilterRegistry.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy); } else { if (subscriptionOrRegistrantToCopy != address(0)) { operatorFilterRegistry.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy); } else { operatorFilterRegistry.register(address(this)); } } } } function _onlyAllowedOperator(address from) private view { if ( !( operatorFilterRegistry.isOperatorAllowed(address(this), msg.sender) && operatorFilterRegistry.isOperatorAllowed(address(this), from) ) ) { revert OperatorNotAllowed(msg.sender); } } modifier onlyAllowedOperator(address from) virtual { // Check registry code length to facilitate testing in environments without a deployed registry. if (address(operatorFilterRegistry).code.length > 0) { // Allow spending tokens from addresses with balance // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred // from an EOA. if (from == msg.sender) { _; return; } _onlyAllowedOperator(from); } _; } modifier onlyAllowedOperatorApproval(address operator) virtual { _checkFilterOperator(operator); _; } function _checkFilterOperator(address operator) internal view virtual { // Check registry code length to facilitate testing in environments without a deployed registry. if (address(operatorFilterRegistry).code.length > 0) { if (!operatorFilterRegistry.isOperatorAllowed(address(this), operator)) { revert OperatorNotAllowed(operator); } } } } //-------------END DEPENDENCIES------------------------// error TransactionCapExceeded(); error PublicMintingClosed(); error ExcessiveOwnedMints(); error MintZeroQuantity(); error InvalidPayment(); error CapExceeded(); error IsAlreadyUnveiled(); error ValueCannotBeZero(); error CannotBeNullAddress(); error NoStateChange(); error PublicMintClosed(); error AllowlistMintClosed(); error AddressNotAllowlisted(); error AllowlistDropTimeHasNotPassed(); error PublicDropTimeHasNotPassed(); error DropTimeNotInFuture(); error OnlyERC20MintingEnabled(); error ERC20TokenNotApproved(); error ERC20InsufficientBalance(); error ERC20InsufficientAllowance(); error ERC20TransferFailed(); error ClaimModeDisabled(); error IneligibleRedemptionContract(); error TokenAlreadyRedeemed(); error InvalidOwnerForRedemption(); error InvalidApprovalForRedemption(); error ERC721RestrictedApprovalAddressRestricted(); error NotMaintainer(); // Rampp Contracts v2.1 (Teams.sol) error InvalidTeamAddress(); error DuplicateTeamAddress(); pragma solidity ^0.8.0; /** * Teams is a contract implementation to extend upon Ownable that allows multiple controllers * of a single contract to modify specific mint settings but not have overall ownership of the contract. * This will easily allow cross-collaboration via Mintplex.xyz. **/ abstract contract Teams is Ownable{ mapping (address => bool) internal team; /** * @dev Adds an address to the team. Allows them to execute protected functions * @param _address the ETH address to add, cannot be 0x and cannot be in team already **/ function addToTeam(address _address) public onlyOwner { if(_address == address(0)) revert InvalidTeamAddress(); if(inTeam(_address)) revert DuplicateTeamAddress(); team[_address] = true; } /** * @dev Removes an address to the team. * @param _address the ETH address to remove, cannot be 0x and must be in team **/ function removeFromTeam(address _address) public onlyOwner { if(_address == address(0)) revert InvalidTeamAddress(); if(!inTeam(_address)) revert InvalidTeamAddress(); team[_address] = false; } /** * @dev Check if an address is valid and active in the team * @param _address ETH address to check for truthiness **/ function inTeam(address _address) public view returns (bool) { if(_address == address(0)) revert InvalidTeamAddress(); return team[_address] == true; } /** * @dev Throws if called by any account other than the owner or team member. */ function _onlyTeamOrOwner() private view { bool _isOwner = owner() == _msgSender(); bool _isTeam = inTeam(_msgSender()); require(_isOwner || _isTeam, "Team: caller is not the owner or in Team."); } modifier onlyTeamOrOwner() { _onlyTeamOrOwner(); _; } } /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata and Enumerable extension. Built to optimize for lower gas during batch mints. * * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..). * * Assumes the number of issuable tokens (collection size) is capped and fits in a uint128. * * Does not support burning tokens to address(0). */ contract ERC721A is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable, Teams , OperatorFilterer { using Address for address; using Strings for uint256; struct TokenOwnership { address addr; uint64 startTimestamp; } struct AddressData { uint128 balance; uint128 numberMinted; } uint256 private currentIndex; uint256 public immutable collectionSize; uint256 public maxBatchSize; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. See ownershipOf implementation for details. mapping(uint256 => TokenOwnership) private _ownerships; // Mapping owner address to address data mapping(address => AddressData) private _addressData; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /* @dev Mapping of restricted operator approvals set by contract Owner * This serves as an optional addition to ERC-721 so * that the contract owner can elect to prevent specific addresses/contracts * from being marked as the approver for a token. The reason for this * is that some projects may want to retain control of where their tokens can/can not be listed * either due to ethics, loyalty, or wanting trades to only occur on their personal marketplace. * By default, there are no restrictions. The contract owner must deliberatly block an address */ mapping(address => bool) public restrictedApprovalAddresses; /** * @dev * maxBatchSize refers to how much a minter can mint at a time. * collectionSize_ refers to how many tokens are in the collection. */ constructor( string memory name_, string memory symbol_, uint256 maxBatchSize_, uint256 collectionSize_ ) OperatorFilterer(address(0), false) { require( collectionSize_ > 0, "ERC721A: collection must have a nonzero supply" ); require(maxBatchSize_ > 0, "ERC721A: max batch size must be nonzero"); _name = name_; _symbol = symbol_; maxBatchSize = maxBatchSize_; collectionSize = collectionSize_; currentIndex = _startTokenId(); } /** * To change the starting tokenId, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 1; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalMinted(); } function currentTokenId() public view returns (uint256) { return _totalMinted(); } function getNextTokenId() public view returns (uint256) { return _totalMinted() + 1; } /** * Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view returns (uint256) { unchecked { return currentIndex - _startTokenId(); } } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view override returns (uint256) { require(index < totalSupply(), "ERC721A: global index out of bounds"); return index; } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. * This read function is O(collectionSize). If calling from a separate contract, be sure to test gas first. * It may also degrade with extremely large collection sizes (e.g >> 10000), test for your use case. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view override returns (uint256) { require(index < balanceOf(owner), "ERC721A: owner index out of bounds"); uint256 numMintedSoFar = totalSupply(); uint256 tokenIdsIdx = 0; address currOwnershipAddr = address(0); for (uint256 i = 0; i < numMintedSoFar; i++) { TokenOwnership memory ownership = _ownerships[i]; if (ownership.addr != address(0)) { currOwnershipAddr = ownership.addr; } if (currOwnershipAddr == owner) { if (tokenIdsIdx == index) { return i; } tokenIdsIdx++; } } revert("ERC721A: unable to get token of owner by index"); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view override returns (uint256) { require(owner != address(0), "ERC721A: balance query for the zero address"); return uint256(_addressData[owner].balance); } function _numberMinted(address owner) internal view returns (uint256) { require( owner != address(0), "ERC721A: number minted query for the zero address" ); return uint256(_addressData[owner].numberMinted); } function ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr && curr < currentIndex) { TokenOwnership memory ownership = _ownerships[curr]; if (ownership.addr != address(0)) { return ownership; } // Invariant: // There will always be an ownership that has an address and is not burned // before an ownership that does not have an address and is not burned. // Hence, curr will not underflow. while (true) { curr--; ownership = _ownerships[curr]; if (ownership.addr != address(0)) { return ownership; } } } } revert("ERC721A: unable to determine the owner of token"); } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view override returns (address) { return ownershipOf(tokenId).addr; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { string memory baseURI = _baseURI(); string memory extension = _baseURIExtension(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString(), extension)) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the baseURI and the tokenId. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev Base URI extension used for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the baseURI, tokenId, and this value. Empty * by default, can be overriden in child contracts. */ function _baseURIExtension() internal view virtual returns (string memory) { return ""; } /** * @dev Sets the value for an address to be in the restricted approval address pool. * Setting an address to true will disable token owners from being able to mark the address * for approval for trading. This would be used in theory to prevent token owners from listing * on specific marketplaces or protcols. Only modifible by the contract owner/team. * @param _address the marketplace/user to modify restriction status of * @param _isRestricted restriction status of the _address to be set. true => Restricted, false => Open */ function setApprovalRestriction(address _address, bool _isRestricted) public onlyTeamOrOwner { restrictedApprovalAddresses[_address] = _isRestricted; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public override onlyAllowedOperatorApproval(to) { address owner = ERC721A.ownerOf(tokenId); require(to != owner, "ERC721A: approval to current owner"); if(restrictedApprovalAddresses[to]) revert ERC721RestrictedApprovalAddressRestricted(); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721A: approve caller is not owner nor approved for all" ); _approve(to, tokenId, owner); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view override returns (address) { require(_exists(tokenId), "ERC721A: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) { require(operator != _msgSender(), "ERC721A: approve to caller"); if(restrictedApprovalAddresses[operator]) revert ERC721RestrictedApprovalAddressRestricted(); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public override onlyAllowedOperator(from) { _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public override onlyAllowedOperator(from) { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public override onlyAllowedOperator(from) { _transfer(from, to, tokenId); require( _checkOnERC721Received(from, to, tokenId, _data), "ERC721A: transfer to non ERC721Receiver implementer" ); } /** * @dev Returns whether tokenId exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (_mint), */ function _exists(uint256 tokenId) internal view returns (bool) { return _startTokenId() <= tokenId && tokenId < currentIndex; } function _safeMint(address to, uint256 quantity, bool isAdminMint) internal { _safeMint(to, quantity, isAdminMint, ""); } /** * @dev Mints quantity tokens and transfers them to to. * * Requirements: * * - there must be quantity tokens remaining unminted in the total collection. * - to cannot be the zero address. * - quantity cannot be larger than the max batch size. * * Emits a {Transfer} event. */ function _safeMint( address to, uint256 quantity, bool isAdminMint, bytes memory _data ) internal { uint256 startTokenId = currentIndex; require(to != address(0), "ERC721A: mint to the zero address"); // We know if the first token in the batch doesn't exist, the other ones don't as well, because of serial ordering. require(!_exists(startTokenId), "ERC721A: token already minted"); // For admin mints we do not want to enforce the maxBatchSize limit if (isAdminMint == false) { require(quantity <= maxBatchSize, "ERC721A: quantity to mint too high"); } _beforeTokenTransfers(address(0), to, startTokenId, quantity); AddressData memory addressData = _addressData[to]; _addressData[to] = AddressData( addressData.balance + uint128(quantity), addressData.numberMinted + (isAdminMint ? 0 : uint128(quantity)) ); _ownerships[startTokenId] = TokenOwnership(to, uint64(block.timestamp)); uint256 updatedIndex = startTokenId; for (uint256 i = 0; i < quantity; i++) { emit Transfer(address(0), to, updatedIndex); require( _checkOnERC721Received(address(0), to, updatedIndex, _data), "ERC721A: transfer to non ERC721Receiver implementer" ); updatedIndex++; } currentIndex = updatedIndex; _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Transfers tokenId from from to to. * * Requirements: * * - to cannot be the zero address. * - tokenId token must be owned by from. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) private { TokenOwnership memory prevOwnership = ownershipOf(tokenId); bool isApprovedOrOwner = (_msgSender() == prevOwnership.addr || getApproved(tokenId) == _msgSender() || isApprovedForAll(prevOwnership.addr, _msgSender())); require( isApprovedOrOwner, "ERC721A: transfer caller is not owner nor approved" ); require( prevOwnership.addr == from, "ERC721A: transfer from incorrect owner" ); require(to != address(0), "ERC721A: transfer to the zero address"); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner _approve(address(0), tokenId, prevOwnership.addr); _addressData[from].balance -= 1; _addressData[to].balance += 1; _ownerships[tokenId] = TokenOwnership(to, uint64(block.timestamp)); // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it. // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls. uint256 nextTokenId = tokenId + 1; if (_ownerships[nextTokenId].addr == address(0)) { if (_exists(nextTokenId)) { _ownerships[nextTokenId] = TokenOwnership( prevOwnership.addr, prevOwnership.startTimestamp ); } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Approve to to operate on tokenId * * Emits a {Approval} event. */ function _approve( address to, uint256 tokenId, address owner ) private { _tokenApprovals[tokenId] = to; emit Approval(owner, to, tokenId); } uint256 public nextOwnerToExplicitlySet = 0; /** * @dev Explicitly set owners to eliminate loops in future calls of ownerOf(). */ function _setOwnersExplicit(uint256 quantity) internal { uint256 oldNextOwnerToSet = nextOwnerToExplicitlySet; require(quantity > 0, "quantity must be nonzero"); if (currentIndex == _startTokenId()) revert('No Tokens Minted Yet'); uint256 endIndex = oldNextOwnerToSet + quantity - 1; if (endIndex > collectionSize - 1) { endIndex = collectionSize - 1; } // We know if the last one in the group exists, all in the group exist, due to serial ordering. require(_exists(endIndex), "not enough minted yet for this cleanup"); for (uint256 i = oldNextOwnerToSet; i <= endIndex; i++) { if (_ownerships[i].addr == address(0)) { TokenOwnership memory ownership = ownershipOf(i); _ownerships[i] = TokenOwnership( ownership.addr, ownership.startTimestamp ); } } nextOwnerToExplicitlySet = endIndex + 1; } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721A: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - When from and to are both non-zero, from's tokenId will be * transferred to to. * - When from is zero, tokenId will be minted for to. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes * minting. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - when from and to are both non-zero. * - from and to are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} } abstract contract ProviderFees is Context { address private constant PROVIDER = 0xa9dAC8f3aEDC55D0FE707B86B8A45d246858d2E1; uint256 public PROVIDER_FEE = 0.000777 ether; function sendProviderFee() internal { payable(PROVIDER).transfer(PROVIDER_FEE); } function setProviderFee(uint256 _fee) public { if(_msgSender() != PROVIDER) revert NotMaintainer(); PROVIDER_FEE = _fee; } } interface IERC20 { function allowance(address owner, address spender) external view returns (uint256); function transfer(address _to, uint256 _amount) external returns (bool); function balanceOf(address account) external view returns (uint256); function transferFrom(address from, address to, uint256 amount) external returns (bool); } // File: WithdrawableV2 // This abstract allows the contract to be able to mint and ingest ERC-20 payments for mints. // ERC-20 Payouts are limited to a single payout address. This feature // will charge a small flat fee in native currency that is not subject to regular rev sharing. // This contract also covers the normal functionality of accepting native base currency rev-sharing abstract contract WithdrawableV2 is Teams { struct acceptedERC20 { bool isActive; uint256 chargeAmount; } mapping(address => acceptedERC20) private allowedTokenContracts; address[] public payableAddresses = [0x5cCa867939aA9CBbd8757339659bfDbf3948091B,0xBC1Addc18dDE0154CbB6360e91Fdbace7DE0BB32]; address public erc20Payable = 0xBC1Addc18dDE0154CbB6360e91Fdbace7DE0BB32; uint256[] public payableFees = [2,98]; uint256 public payableAddressCount = 2; bool public onlyERC20MintingMode; function withdrawAll() public onlyTeamOrOwner { if(address(this).balance == 0) revert ValueCannotBeZero(); _withdrawAll(address(this).balance); } function _withdrawAll(uint256 balance) private { for(uint i=0; i < payableAddressCount; i++ ) { _widthdraw( payableAddresses[i], (balance * payableFees[i]) / 100 ); } } function _widthdraw(address _address, uint256 _amount) private { (bool success, ) = _address.call{value: _amount}(""); require(success, "Transfer failed."); } /** * @dev Allow contract owner to withdraw ERC-20 balance from contract * in the event ERC-20 tokens are paid to the contract for mints. * @param _tokenContract contract of ERC-20 token to withdraw * @param _amountToWithdraw balance to withdraw according to balanceOf of ERC-20 token in wei */ function withdrawERC20(address _tokenContract, uint256 _amountToWithdraw) public onlyTeamOrOwner { if(_amountToWithdraw == 0) revert ValueCannotBeZero(); IERC20 tokenContract = IERC20(_tokenContract); if(tokenContract.balanceOf(address(this)) < _amountToWithdraw) revert ERC20InsufficientBalance(); tokenContract.transfer(erc20Payable, _amountToWithdraw); // Payout ERC-20 tokens to recipient } /** * @dev check if an ERC-20 contract is a valid payable contract for executing a mint. * @param _erc20TokenContract address of ERC-20 contract in question */ function isApprovedForERC20Payments(address _erc20TokenContract) public view returns(bool) { return allowedTokenContracts[_erc20TokenContract].isActive == true; } /** * @dev get the value of tokens to transfer for user of an ERC-20 * @param _erc20TokenContract address of ERC-20 contract in question */ function chargeAmountForERC20(address _erc20TokenContract) public view returns(uint256) { if(!isApprovedForERC20Payments(_erc20TokenContract)) revert ERC20TokenNotApproved(); return allowedTokenContracts[_erc20TokenContract].chargeAmount; } /** * @dev Explicity sets and ERC-20 contract as an allowed payment method for minting * @param _erc20TokenContract address of ERC-20 contract in question * @param _isActive default status of if contract should be allowed to accept payments * @param _chargeAmountInTokens fee (in tokens) to charge for mints for this specific ERC-20 token */ function addOrUpdateERC20ContractAsPayment(address _erc20TokenContract, bool _isActive, uint256 _chargeAmountInTokens) public onlyTeamOrOwner { allowedTokenContracts[_erc20TokenContract].isActive = _isActive; allowedTokenContracts[_erc20TokenContract].chargeAmount = _chargeAmountInTokens; } /** * @dev Add an ERC-20 contract as being a valid payment method. If passed a contract which has not been added * it will assume the default value of zero. This should not be used to create new payment tokens. * @param _erc20TokenContract address of ERC-20 contract in question */ function enableERC20ContractAsPayment(address _erc20TokenContract) public onlyTeamOrOwner { allowedTokenContracts[_erc20TokenContract].isActive = true; } /** * @dev Disable an ERC-20 contract as being a valid payment method. If passed a contract which has not been added * it will assume the default value of zero. This should not be used to create new payment tokens. * @param _erc20TokenContract address of ERC-20 contract in question */ function disableERC20ContractAsPayment(address _erc20TokenContract) public onlyTeamOrOwner { allowedTokenContracts[_erc20TokenContract].isActive = false; } /** * @dev Enable only ERC-20 payments for minting on this contract */ function enableERC20OnlyMinting() public onlyTeamOrOwner { onlyERC20MintingMode = true; } /** * @dev Disable only ERC-20 payments for minting on this contract */ function disableERC20OnlyMinting() public onlyTeamOrOwner { onlyERC20MintingMode = false; } /** * @dev Set the payout of the ERC-20 token payout to a specific address * @param _newErc20Payable new payout addresses of ERC-20 tokens */ function setERC20PayableAddress(address _newErc20Payable) public onlyTeamOrOwner { if(_newErc20Payable == address(0)) revert CannotBeNullAddress(); if(_newErc20Payable == erc20Payable) revert NoStateChange(); erc20Payable = _newErc20Payable; } } /* File: Tippable.sol /* @dev Allows owner to set strict enforcement of payment to mint price. /* Would then allow buyers to pay _more_ than the mint fee - consider it as a tip /* when doing a free mint with opt-in pricing. /* When strict pricing is enabled => msg.value must extactly equal the expected value /* when strict pricing is disabled => msg.value must be _at least_ the expected value. /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /* Pros - can take in gratituity payments during a mint. /* Cons - However if you decrease pricing during mint txn settlement /* it can result in mints landing who technically now have overpaid. */ abstract contract Tippable is Teams { bool public strictPricing = true; function setStrictPricing(bool _newStatus) public onlyTeamOrOwner { strictPricing = _newStatus; } // @dev check if msg.value is correct according to pricing enforcement // @param _msgValue -> passed in msg.value of tx // @param _expectedPrice -> result of getPrice(...args) function priceIsRight(uint256 _msgValue, uint256 _expectedPrice) internal view returns (bool) { return strictPricing ? _msgValue == _expectedPrice : _msgValue >= _expectedPrice; } } // File: EarlyMintIncentive.sol // Allows the contract to have the first x tokens have a discount or // zero fee that can be calculated on the fly. abstract contract EarlyMintIncentive is Teams, ERC721A, ProviderFees { uint256 public PRICE = 0.0033 ether; uint256 public EARLY_MINT_PRICE = 0 ether; uint256 public earlyMintTokenIdCap = 666; bool public usingEarlyMintIncentive = true; function enableEarlyMintIncentive() public onlyTeamOrOwner { usingEarlyMintIncentive = true; } function disableEarlyMintIncentive() public onlyTeamOrOwner { usingEarlyMintIncentive = false; } /** * @dev Set the max token ID in which the cost incentive will be applied. * @param _newTokenIdCap max tokenId in which incentive will be applied */ function setEarlyMintTokenIdCap(uint256 _newTokenIdCap) public onlyTeamOrOwner { if(_newTokenIdCap > collectionSize) revert CapExceeded(); if(_newTokenIdCap == 0) revert ValueCannotBeZero(); earlyMintTokenIdCap = _newTokenIdCap; } /** * @dev Set the incentive mint price * @param _feeInWei new price per token when in incentive range */ function setEarlyIncentivePrice(uint256 _feeInWei) public onlyTeamOrOwner { EARLY_MINT_PRICE = _feeInWei; } /** * @dev Set the primary mint price - the base price when not under incentive * @param _feeInWei new price per token */ function setPrice(uint256 _feeInWei) public onlyTeamOrOwner { PRICE = _feeInWei; } function getPrice(uint256 _count) public view returns (uint256) { if(_count == 0) revert ValueCannotBeZero(); // short circuit function if we dont need to even calc incentive pricing // short circuit if the current tokenId is also already over cap if( usingEarlyMintIncentive == false || currentTokenId() > earlyMintTokenIdCap ) { return (PRICE * _count) + PROVIDER_FEE; } uint256 endingTokenId = currentTokenId() + _count; // If qty to mint results in a final token ID less than or equal to the cap then // the entire qty is within free mint. if(endingTokenId <= earlyMintTokenIdCap) { return (EARLY_MINT_PRICE * _count) + PROVIDER_FEE; } // If the current token id is less than the incentive cap // and the ending token ID is greater than the incentive cap // we will be straddling the cap so there will be some amount // that are incentive and some that are regular fee. uint256 incentiveTokenCount = earlyMintTokenIdCap - currentTokenId(); uint256 outsideIncentiveCount = endingTokenId - earlyMintTokenIdCap; return (EARLY_MINT_PRICE * incentiveTokenCount) + (PRICE * outsideIncentiveCount) + PROVIDER_FEE; } } abstract contract ERC721APlus is Ownable, Teams, ERC721A, WithdrawableV2, ReentrancyGuard , EarlyMintIncentive, Tippable { constructor( string memory tokenName, string memory tokenSymbol ) ERC721A(tokenName, tokenSymbol, 2, 3333) { } uint8 constant public CONTRACT_VERSION = 2; string public _baseTokenURI = "ipfs://QmbNxgSaQx7JJKrkU9zgEGJMH4wsKCrSuSSVdHzgu5W2Vr/"; string public _baseTokenExtension = ".json"; bool public mintingOpen = false; uint256 public MAX_WALLET_MINTS = 2; /////////////// Admin Mint Functions /** * @dev Mints a token to an address with a tokenURI. * This is owner only and allows a fee-free drop * @param _to address of the future owner of the token * @param _qty amount of tokens to drop the owner */ function mintToAdminV2(address _to, uint256 _qty) public onlyTeamOrOwner{ if(_qty == 0) revert MintZeroQuantity(); if(currentTokenId() + _qty > collectionSize) revert CapExceeded(); _safeMint(_to, _qty, true); } /////////////// PUBLIC MINT FUNCTIONS /** * @dev Mints tokens to an address in batch. * fee may or may not be required* * @param _to address of the future owner of the token * @param _amount number of tokens to mint */ function mintToMultiple(address _to, uint256 _amount) public payable { if(onlyERC20MintingMode) revert OnlyERC20MintingEnabled(); if(_amount == 0) revert MintZeroQuantity(); if(_amount > maxBatchSize) revert TransactionCapExceeded(); if(!mintingOpen) revert PublicMintClosed(); if(!canMintAmount(_to, _amount)) revert ExcessiveOwnedMints(); if(currentTokenId() + _amount > collectionSize) revert CapExceeded(); if(!priceIsRight(msg.value, getPrice(_amount))) revert InvalidPayment(); sendProviderFee(); _safeMint(_to, _amount, false); } /** * @dev Mints tokens to an address in batch using an ERC-20 token for payment * fee may or may not be required* * @param _to address of the future owner of the token * @param _amount number of tokens to mint * @param _erc20TokenContract erc-20 token contract to mint with */ function mintToMultipleERC20(address _to, uint256 _amount, address _erc20TokenContract) public payable { if(_amount == 0) revert MintZeroQuantity(); if(_amount > maxBatchSize) revert TransactionCapExceeded(); if(!mintingOpen) revert PublicMintClosed(); if(currentTokenId() + _amount > collectionSize) revert CapExceeded(); if(!canMintAmount(_to, _amount)) revert ExcessiveOwnedMints(); if(msg.value != PROVIDER_FEE) revert InvalidPayment(); // ERC-20 Specific pre-flight checks if(!isApprovedForERC20Payments(_erc20TokenContract)) revert ERC20TokenNotApproved(); uint256 tokensQtyToTransfer = chargeAmountForERC20(_erc20TokenContract) * _amount; IERC20 payableToken = IERC20(_erc20TokenContract); if(payableToken.balanceOf(_to) < tokensQtyToTransfer) revert ERC20InsufficientBalance(); if(payableToken.allowance(_to, address(this)) < tokensQtyToTransfer) revert ERC20InsufficientAllowance(); bool transferComplete = payableToken.transferFrom(_to, address(this), tokensQtyToTransfer); if(!transferComplete) revert ERC20TransferFailed(); sendProviderFee(); _safeMint(_to, _amount, false); } function openMinting() public onlyTeamOrOwner { mintingOpen = true; } function stopMinting() public onlyTeamOrOwner { mintingOpen = false; } /** * @dev Check if wallet over MAX_WALLET_MINTS * @param _address address in question to check if minted count exceeds max */ function canMintAmount(address _address, uint256 _amount) public view returns(bool) { if(_amount == 0) revert ValueCannotBeZero(); return (_numberMinted(_address) + _amount) <= MAX_WALLET_MINTS; } /** * @dev Update the maximum amount of tokens that can be minted by a unique wallet * @param _newWalletMax the new max of tokens a wallet can mint. Must be >= 1 */ function setWalletMax(uint256 _newWalletMax) public onlyTeamOrOwner { if(_newWalletMax == 0) revert ValueCannotBeZero(); MAX_WALLET_MINTS = _newWalletMax; } /** * @dev Allows owner to set Max mints per tx * @param _newMaxMint maximum amount of tokens allowed to mint per tx. Must be >= 1 */ function setMaxMint(uint256 _newMaxMint) public onlyTeamOrOwner { if(_newMaxMint == 0) revert ValueCannotBeZero(); maxBatchSize = _newMaxMint; } function contractURI() public pure returns (string memory) { return "https://metadata.mintplex.xyz/d4A76lPxfskH9aLghuwQ/contract-metadata"; } function _baseURI() internal view virtual override returns(string memory) { return _baseTokenURI; } function _baseURIExtension() internal view virtual override returns(string memory) { return _baseTokenExtension; } function baseTokenURI() public view returns(string memory) { return _baseTokenURI; } function setBaseURI(string calldata baseURI) external onlyTeamOrOwner { _baseTokenURI = baseURI; } function setBaseTokenExtension(string calldata baseExtension) external onlyTeamOrOwner { _baseTokenExtension = baseExtension; } } // File: contracts/FiftiesFriendsContract.sol //SPDX-License-Identifier: MIT pragma solidity ^0.8.0; contract FiftiesFriendsContract is ERC721APlus { constructor() ERC721APlus("Fifties Friends", "FF"){} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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:"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"currentTokenId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_erc20TokenContract","type":"address"}],"name":"disableERC20ContractAsPayment","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"disableERC20OnlyMinting","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"disableEarlyMintIncentive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"earlyMintTokenIdCap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_erc20TokenContract","type":"address"}],"name":"enableERC20ContractAsPayment","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enableERC20OnlyMinting","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enableEarlyMintIncentive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"erc20Payable","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNextTokenId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"getPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"inTeam","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_erc20TokenContract","type":"address"}],"name":"isApprovedForERC20Payments","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxBatchSize","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_qty","type":"uint256"}],"name":"mintToAdminV2","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mintToMultiple","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_erc20TokenContract","type":"address"}],"name":"mintToMultipleERC20","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintingOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextOwnerToExplicitlySet","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"onlyERC20MintingMode","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"openMinting","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"payableAddressCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"payableAddresses","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"payableFees","outputs":[{"internalType"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Contract Creation Code
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