| // This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023. | |
| //*********************************************************************// | |
| //*********************************************************************// | |
| // | |
| // _______ __ __ ______ _ _ ______________ | |
| // / ____(_)__ / /___/ / /_ __/____(_)___ / | / / ____/_ __/ | |
| // / /_ / / _ \/ / __ / / / / ___/ / __ \ / |/ / /_ / / | |
| // / __/ / / __/ / /_/ / / / / / / / /_/ / / /| / __/ / / | |
| // /_/ /_/\___/_/\__,_/ /_/ /_/ /_/ .___/ /_/ |_/_/ /_/ | |
| // /_/ | |
| // | |
| //*********************************************************************// | |
| //*********************************************************************// | |
| //-------------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. | |
| */ | |
| 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); | |
| } | |
| } | |
| // 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); | |
| } | |
| _; | |
| } | |
| } | |
| //-------------END DEPENDENCIES------------------------// | |
| // Rampp Contracts v2.1 (Teams.sol) | |
| 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 { | |
| require(_address != address(0), "Invalid address"); | |
| require(!inTeam(_address), "This address is already in your team."); | |
| 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 { | |
| require(_address != address(0), "Invalid address"); | |
| require(inTeam(_address), "This address is not in your team currently."); | |
| 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) | |
| { | |
| require(_address != address(0), "Invalid address to check."); | |
| return team[_address] == true; | |
| } | |
| /** | |
| * @dev Throws if called by any account other than the owner or team member. | |
| */ | |
| function _onlyTeamOrOwner() private view { | |
| bool _isOwner = owner() == _msgSender(); | |
| bool _isTeam = inTeam(_msgSender()); | |
| require(_isOwner || _isTeam, "Team: caller is not the owner or in Team."); | |
| } | |
| modifier onlyTeamOrOwner() { | |
| _onlyTeamOrOwner(); | |
| _; | |
| } | |
| } | |
| pragma solidity ^0.8.0; | |
| /** | |
| * @dev These functions deal with verification of Merkle Trees proofs. | |
| * | |
| * The proofs can be generated using the JavaScript library | |
| * https://github.com/miguelmota/merkletreejs[merkletreejs]. | |
| * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled. | |
| * | |
| * | |
| * WARNING: You should avoid using leaf values that are 64 bytes long prior to | |
| * hashing, or use a hash function other than keccak256 for hashing leaves. | |
| * This is because the concatenation of a sorted pair of internal nodes in | |
| * the merkle tree could be reinterpreted as a leaf value. | |
| */ | |
| library MerkleProof { | |
| /** | |
| * @dev Returns true if a 'leaf' can be proved to be a part of a Merkle tree | |
| * defined by 'root'. For this, a 'proof' must be provided, containing | |
| * sibling hashes on the branch from the leaf to the root of the tree. Each | |
| * pair of leaves and each pair of pre-images are assumed to be sorted. | |
| */ | |
| function verify( | |
| bytes32[] memory proof, | |
| bytes32 root, | |
| bytes32 leaf | |
| ) internal pure returns (bool) { | |
| return processProof(proof, leaf) == root; | |
| } | |
| /** | |
| * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up | |
| * from 'leaf' using 'proof'. A 'proof' is valid if and only if the rebuilt | |
| * hash matches the root of the tree. When processing the proof, the pairs | |
| * of leafs & pre-images are assumed to be sorted. | |
| * | |
| * _Available since v4.4._ | |
| */ | |
| function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { | |
| bytes32 computedHash = leaf; | |
| for (uint256 i = 0; i < proof.length; i++) { | |
| bytes32 proofElement = proof[i]; | |
| if (computedHash <= proofElement) { | |
| // Hash(current computed hash + current element of the proof) | |
| computedHash = _efficientHash(computedHash, proofElement); | |
| } else { | |
| // Hash(current element of the proof + current computed hash) | |
| computedHash = _efficientHash(proofElement, computedHash); | |
| } | |
| } | |
| return computedHash; | |
| } | |
| function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { | |
| assembly { | |
| mstore(0x00, a) | |
| mstore(0x20, b) | |
| value := keccak256(0x00, 0x40) | |
| } | |
| } | |
| } | |
| // File: Allowlist.sol | |
| pragma solidity ^0.8.0; | |
| abstract contract Allowlist is Teams { | |
| bytes32 public merkleRoot; | |
| bool public onlyAllowlistMode = false; | |
| /** | |
| * @dev Update merkle root to reflect changes in Allowlist | |
| * @param _newMerkleRoot new merkle root to reflect most recent Allowlist | |
| */ | |
| function updateMerkleRoot(bytes32 _newMerkleRoot) public onlyTeamOrOwner { | |
| require(_newMerkleRoot != merkleRoot, "Merkle root will be unchanged!"); | |
| merkleRoot = _newMerkleRoot; | |
| } | |
| /** | |
| * @dev Check the proof of an address if valid for merkle root | |
| * @param _to address to check for proof | |
| * @param _merkleProof Proof of the address to validate against root and leaf | |
| */ | |
| function isAllowlisted(address _to, bytes32[] calldata _merkleProof) public view returns(bool) { | |
| require(merkleRoot != 0, "Merkle root is not set!"); | |
| bytes32 leaf = keccak256(abi.encodePacked(_to)); | |
| return MerkleProof.verify(_merkleProof, merkleRoot, leaf); | |
| } | |
| function enableAllowlistOnlyMode() public onlyTeamOrOwner { | |
| onlyAllowlistMode = true; | |
| } | |
| function disableAllowlistOnlyMode() public onlyTeamOrOwner { | |
| onlyAllowlistMode = false; | |
| } | |
| } | |
| /** | |
| * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including | |
| * the Metadata and Enumerable extension. Built to optimize for lower gas during batch mints. | |
| * | |
| * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..). | |
| * | |
| * Assumes the number of issuable tokens (collection size) is capped and fits in a uint128. | |
| * | |
| * Does not support burning tokens to address(0). | |
| */ | |
| contract ERC721A is | |
| Context, | |
| ERC165, | |
| IERC721, | |
| IERC721Metadata, | |
| IERC721Enumerable, | |
| Teams | |
| , OperatorFilterer | |
| { | |
| using Address for address; | |
| using Strings for uint256; | |
| struct TokenOwnership { | |
| address addr; | |
| uint64 startTimestamp; | |
| } | |
| struct AddressData { | |
| uint128 balance; | |
| uint128 numberMinted; | |
| } | |
| uint256 private currentIndex; | |
| uint256 public immutable collectionSize; | |
| uint256 public maxBatchSize; | |
| // Token name | |
| string private _name; | |
| // Token symbol | |
| string private _symbol; | |
| // Mapping from token ID to ownership details | |
| // An empty struct value does not necessarily mean the token is unowned. See ownershipOf implementation for details. | |
| mapping(uint256 => TokenOwnership) private _ownerships; | |
| // Mapping owner address to address data | |
| mapping(address => AddressData) private _addressData; | |
| // Mapping from token ID to approved address | |
| mapping(uint256 => address) private _tokenApprovals; | |
| // Mapping from owner to operator approvals | |
| mapping(address => mapping(address => bool)) private _operatorApprovals; | |
| /* @dev Mapping of restricted operator approvals set by contract Owner | |
| * This serves as an optional addition to ERC-721 so | |
| * that the contract owner can elect to prevent specific addresses/contracts | |
| * from being marked as the approver for a token. The reason for this | |
| * is that some projects may want to retain control of where their tokens can/can not be listed | |
| * either due to ethics, loyalty, or wanting trades to only occur on their personal marketplace. | |
| * By default, there are no restrictions. The contract owner must deliberatly block an address | |
| */ | |
| mapping(address => bool) public restrictedApprovalAddresses; | |
| /** | |
| * @dev | |
| * maxBatchSize refers to how much a minter can mint at a time. | |
| * collectionSize_ refers to how many tokens are in the collection. | |
| */ | |
| constructor( | |
| string memory name_, | |
| string memory symbol_, | |
| uint256 maxBatchSize_, | |
| uint256 collectionSize_ | |
| ) OperatorFilterer(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6, true) { | |
| require( | |
| collectionSize_ > 0, | |
| "ERC721A: collection must have a nonzero supply" | |
| ); | |
| require(maxBatchSize_ > 0, "ERC721A: max batch size must be nonzero"); | |
| _name = name_; | |
| _symbol = symbol_; | |
| maxBatchSize = maxBatchSize_; | |
| collectionSize = collectionSize_; | |
| currentIndex = _startTokenId(); | |
| } | |
| /** | |
| * To change the starting tokenId, please override this function. | |
| */ | |
| function _startTokenId() internal view virtual returns (uint256) { | |
| return 1; | |
| } | |
| /** | |
| * @dev See {IERC721Enumerable-totalSupply}. | |
| */ | |
| function totalSupply() public view override returns (uint256) { | |
| return _totalMinted(); | |
| } | |
| function currentTokenId() public view returns (uint256) { | |
| return _totalMinted(); | |
| } | |
| function getNextTokenId() public view returns (uint256) { | |
| return _totalMinted() + 1; | |
| } | |
| /** | |
| * Returns the total amount of tokens minted in the contract. | |
| */ | |
| function _totalMinted() internal view returns (uint256) { | |
| unchecked { | |
| return currentIndex - _startTokenId(); | |
| } | |
| } | |
| /** | |
| * @dev See {IERC721Enumerable-tokenByIndex}. | |
| */ | |
| function tokenByIndex(uint256 index) public view override returns (uint256) { | |
| require(index < totalSupply(), "ERC721A: global index out of bounds"); | |
| return index; | |
| } | |
| /** | |
| * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. | |
| * This read function is O(collectionSize). If calling from a separate contract, be sure to test gas first. | |
| * It may also degrade with extremely large collection sizes (e.g >> 10000), test for your use case. | |
| */ | |
| function tokenOfOwnerByIndex(address owner, uint256 index) | |
| public | |
| view | |
| override | |
| returns (uint256) | |
| { | |
| require(index < balanceOf(owner), "ERC721A: owner index out of bounds"); | |
| uint256 numMintedSoFar = totalSupply(); | |
| uint256 tokenIdsIdx = 0; | |
| address currOwnershipAddr = address(0); | |
| for (uint256 i = 0; i < numMintedSoFar; i++) { | |
| TokenOwnership memory ownership = _ownerships[i]; | |
| if (ownership.addr != address(0)) { | |
| currOwnershipAddr = ownership.addr; | |
| } | |
| if (currOwnershipAddr == owner) { | |
| if (tokenIdsIdx == index) { | |
| return i; | |
| } | |
| tokenIdsIdx++; | |
| } | |
| } | |
| revert("ERC721A: unable to get token of owner by index"); | |
| } | |
| /** | |
| * @dev See {IERC165-supportsInterface}. | |
| */ | |
| function supportsInterface(bytes4 interfaceId) | |
| public | |
| view | |
| virtual | |
| override(ERC165, IERC165) | |
| returns (bool) | |
| { | |
| return | |
| interfaceId == type(IERC721).interfaceId || | |
| interfaceId == type(IERC721Metadata).interfaceId || | |
| interfaceId == type(IERC721Enumerable).interfaceId || | |
| super.supportsInterface(interfaceId); | |
| } | |
| /** | |
| * @dev See {IERC721-balanceOf}. | |
| */ | |
| function balanceOf(address owner) public view override returns (uint256) { | |
| require(owner != address(0), "ERC721A: balance query for the zero address"); | |
| return uint256(_addressData[owner].balance); | |
| } | |
| function _numberMinted(address owner) internal view returns (uint256) { | |
| require( | |
| owner != address(0), | |
| "ERC721A: number minted query for the zero address" | |
| ); | |
| return uint256(_addressData[owner].numberMinted); | |
| } | |
| function ownershipOf(uint256 tokenId) | |
| internal | |
| view | |
| returns (TokenOwnership memory) | |
| { | |
| uint256 curr = tokenId; | |
| unchecked { | |
| if (_startTokenId() <= curr && curr < currentIndex) { | |
| TokenOwnership memory ownership = _ownerships[curr]; | |
| if (ownership.addr != address(0)) { | |
| return ownership; | |
| } | |
| // Invariant: | |
| // There will always be an ownership that has an address and is not burned | |
| // before an ownership that does not have an address and is not burned. | |
| // Hence, curr will not underflow. | |
| while (true) { | |
| curr--; | |
| ownership = _ownerships[curr]; | |
| if (ownership.addr != address(0)) { | |
| return ownership; | |
| } | |
| } | |
| } | |
| } | |
| revert("ERC721A: unable to determine the owner of token"); | |
| } | |
| /** | |
| * @dev See {IERC721-ownerOf}. | |
| */ | |
| function ownerOf(uint256 tokenId) public view override returns (address) { | |
| return ownershipOf(tokenId).addr; | |
| } | |
| /** | |
| * @dev See {IERC721Metadata-name}. | |
| */ | |
| function name() public view virtual override returns (string memory) { | |
| return _name; | |
| } | |
| /** | |
| * @dev See {IERC721Metadata-symbol}. | |
| */ | |
| function symbol() public view virtual override returns (string memory) { | |
| return _symbol; | |
| } | |
| /** | |
| * @dev See {IERC721Metadata-tokenURI}. | |
| */ | |
| function tokenURI(uint256 tokenId) | |
| public | |
| view | |
| virtual | |
| override | |
| returns (string memory) | |
| { | |
| string memory baseURI = _baseURI(); | |
| string memory extension = _baseURIExtension(); | |
| return | |
| bytes(baseURI).length > 0 | |
| ? string(abi.encodePacked(baseURI, tokenId.toString(), extension)) | |
| : ""; | |
| } | |
| /** | |
| * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each | |
| * token will be the concatenation of the baseURI and the tokenId. Empty | |
| * by default, can be overriden in child contracts. | |
| */ | |
| function _baseURI() internal view virtual returns (string memory) { | |
| return ""; | |
| } | |
| /** | |
| * @dev Base URI extension used for computing {tokenURI}. If set, the resulting URI for each | |
| * token will be the concatenation of the baseURI, tokenId, and this value. Empty | |
| * by default, can be overriden in child contracts. | |
| */ | |
| function _baseURIExtension() internal view virtual returns (string memory) { | |
| return ""; | |
| } | |
| /** | |
| * @dev Sets the value for an address to be in the restricted approval address pool. | |
| * Setting an address to true will disable token owners from being able to mark the address | |
| * for approval for trading. This would be used in theory to prevent token owners from listing | |
| * on specific marketplaces or protcols. Only modifible by the contract owner/team. | |
| * @param _address the marketplace/user to modify restriction status of | |
| * @param _isRestricted restriction status of the _address to be set. true => Restricted, false => Open | |
| */ | |
| function setApprovalRestriction(address _address, bool _isRestricted) public onlyTeamOrOwner { | |
| restrictedApprovalAddresses[_address] = _isRestricted; | |
| } | |
| /** | |
| * @dev See {IERC721-approve}. | |
| */ | |
| function approve(address to, uint256 tokenId) public override { | |
| address owner = ERC721A.ownerOf(tokenId); | |
| require(to != owner, "ERC721A: approval to current owner"); | |
| require(restrictedApprovalAddresses[to] == false, "ERC721RestrictedApproval: Address to approve has been restricted by contract owner and is not allowed to be marked for approval"); | |
| 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 { | |
| require(operator != _msgSender(), "ERC721A: approve to caller"); | |
| require(restrictedApprovalAddresses[operator] == false, "ERC721RestrictedApproval: Operator address has been restricted by contract owner and is not allowed to be marked for approval"); | |
| _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 {} | |
| } | |
| // @title An implementation of ERC-721A with additonal context for 1:1 redemption with another ERC-721 | |
| // @author Mintplex.xyz (Rampp Labs Inc) (Twitter: @MintplexNFT) | |
| // @notice -- See Medium article -- | |
| // @custom:experimental This is an experimental contract interface. Mintplex assumes no responsibility for functionality or security. | |
| abstract contract ERC721ARedemption is ERC721A { | |
| // @dev Emitted when someone exchanges an NFT for this contracts NFT via token redemption swap | |
| event Redeemed(address indexed from, uint256 indexed tokenId, address indexed contractAddress); | |
| // @dev Emitted when someone proves ownership of an NFT for this contracts NFT via token redemption swap | |
| event VerifiedClaim(address indexed from, uint256 indexed tokenId, address indexed contractAddress); | |
| uint256 public redemptionSurcharge = 0 ether; | |
| bool public redemptionModeEnabled; | |
| bool public verifiedClaimModeEnabled; | |
| address public redemptionAddress = 0x000000000000000000000000000000000000dEaD; // address burned tokens are sent, default is dEaD. | |
| mapping(address => bool) public redemptionContracts; | |
| mapping(address => mapping(uint256 => bool)) public tokenRedemptions; | |
| // @dev Allow owner/team to set the contract as eligable for redemption for this contract | |
| function setRedeemableContract(address _contractAddress, bool _status) public onlyTeamOrOwner { | |
| redemptionContracts[_contractAddress] = _status; | |
| } | |
| // @dev Allow owner/team to determine if contract is accepting redemption mints | |
| function setRedemptionMode(bool _newStatus) public onlyTeamOrOwner { | |
| redemptionModeEnabled = _newStatus; | |
| } | |
| // @dev Allow owner/team to determine if contract is accepting verified claim mints | |
| function setVerifiedClaimMode(bool _newStatus) public onlyTeamOrOwner { | |
| verifiedClaimModeEnabled = _newStatus; | |
| } | |
| // @dev Set the fee that it would cost a minter to be able to burn/validtion mint a token on this contract. | |
| function setRedemptionSurcharge(uint256 _newSurchargeInWei) public onlyTeamOrOwner { | |
| redemptionSurcharge = _newSurchargeInWei; | |
| } | |
| // @dev Set the redemption address where redeemed NFTs will be transferred when "burned". | |
| // @notice Must be a wallet address or implement IERC721Receiver. | |
| // Cannot be null address as this will break any ERC-721A implementation without a proper | |
| // burn mechanic as ownershipOf cannot handle 0x00 holdings mid batch. | |
| function setRedemptionAddress(address _newRedemptionAddress) public onlyTeamOrOwner { | |
| require(_newRedemptionAddress != address(0), "New redemption address cannot be null address."); | |
| redemptionAddress = _newRedemptionAddress; | |
| } | |
| /** | |
| * @dev allows redemption or "burning" of a single tokenID. Must be owned by the owner | |
| * @notice this does not impact the total supply of the burned token and the transfer destination address may be set by | |
| * the contract owner or Team => redemptionAddress. | |
| * @param tokenId the token to be redeemed. | |
| * Emits a {Redeemed} event. | |
| **/ | |
| function redeem(address redemptionContract, uint256 tokenId) public payable { | |
| require(getNextTokenId() <= collectionSize, "Cannot mint over supply cap of 5000"); | |
| require(redemptionModeEnabled, "ERC721 Redeemable: Redemption mode is not enabled currently"); | |
| require(redemptionContract != address(0), "ERC721 Redeemable: Redemption contract cannot be null."); | |
| require(redemptionContracts[redemptionContract], "ERC721 Redeemable: Redemption contract is not eligable for redeeming."); | |
| require(msg.value == redemptionSurcharge, "ERC721 Redeemable: Redemption fee not sent by redeemer."); | |
| require(tokenRedemptions[redemptionContract][tokenId] == false, "ERC721 Redeemable: Token has already been redeemed."); | |
| IERC721 _targetContract = IERC721(redemptionContract); | |
| require(_targetContract.ownerOf(tokenId) == _msgSender(), "ERC721 Redeemable: Redeemer not owner of token to be claimed against."); | |
| require(_targetContract.getApproved(tokenId) == address(this), "ERC721 Redeemable: This contract is not approved for specific token on redempetion contract."); | |
| // Warning: Since there is no standarized return value for transfers of ERC-721 | |
| // It is possible this function silently fails and a mint still occurs. The owner of the contract is | |
| // responsible for ensuring that the redemption contract does not lock or have staked controls preventing | |
| // movement of the token. As an added measure we keep a mapping of tokens redeemed to prevent multiple single-token redemptions, | |
| // but the NFT may not have been sent to the redemptionAddress. | |
| _targetContract.safeTransferFrom(_msgSender(), redemptionAddress, tokenId); | |
| tokenRedemptions[redemptionContract][tokenId] = true; | |
| emit Redeemed(_msgSender(), tokenId, redemptionContract); | |
| _safeMint(_msgSender(), 1, false); | |
| } | |
| /** | |
| * @dev allows for verified claim mint against a single tokenID. Must be owned by the owner | |
| * @notice this mint action allows the original NFT to remain in the holders wallet, but its claim is logged. | |
| * @param tokenId the token to be redeemed. | |
| * Emits a {VerifiedClaim} event. | |
| **/ | |
| function verifedClaim(address redemptionContract, uint256 tokenId) public payable { | |
| require(getNextTokenId() <= collectionSize, "Cannot mint over supply cap of 5000"); | |
| require(verifiedClaimModeEnabled, "ERC721 Redeemable: Verified claim mode is not enabled currently"); | |
| require(redemptionContract != address(0), "ERC721 Redeemable: Redemption contract cannot be null."); | |
| require(redemptionContracts[redemptionContract], "ERC721 Redeemable: Redemption contract is not eligable for redeeming."); | |
| require(msg.value == redemptionSurcharge, "ERC721 Redeemable: Redemption fee not sent by redeemer."); | |
| require(tokenRedemptions[redemptionContract][tokenId] == false, "ERC721 Redeemable: Token has already been redeemed."); | |
| tokenRedemptions[redemptionContract][tokenId] = true; | |
| emit VerifiedClaim(_msgSender(), tokenId, redemptionContract); | |
| _safeMint(_msgSender(), 1, false); | |
| } | |
| } | |
| 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 = [0x051FD2b087aE4579dDc61432f31Cf685AC7F7779,0x4d8B6F8E6c5569B3003a94748b2A0cD3552962E5]; | |
| address public erc20Payable = 0x051FD2b087aE4579dDc61432f31Cf685AC7F7779; | |
| uint256[] public payableFees = [95,5]; | |
| uint256 public payableAddressCount = 2; | |
| bool public onlyERC20MintingMode = false; | |
| /** | |
| * @dev Calculates the true payable balance of the contract | |
| */ | |
| function calcAvailableBalance() public view returns(uint256) { | |
| return address(this).balance; | |
| } | |
| function withdrawAll() public onlyTeamOrOwner { | |
| require(calcAvailableBalance() > 0); | |
| _withdrawAll(); | |
| } | |
| function _withdrawAll() private { | |
| uint256 balance = calcAvailableBalance(); | |
| 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 { | |
| require(_amountToWithdraw > 0); | |
| IERC20 tokenContract = IERC20(_tokenContract); | |
| require(tokenContract.balanceOf(address(this)) >= _amountToWithdraw, "WithdrawV2: Contract does not own enough tokens"); | |
| 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) { | |
| require(isApprovedForERC20Payments(_erc20TokenContract), "This ERC-20 contract is not approved to make payments on this contract!"); | |
| 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 { | |
| require(_newErc20Payable != address(0), "WithdrawableV2: new ERC-20 payout cannot be the zero address"); | |
| require(_newErc20Payable != erc20Payable, "WithdrawableV2: new ERC-20 payout is same as current payout"); | |
| erc20Payable = _newErc20Payable; | |
| } | |
| } | |
| // 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 { | |
| uint256 public PRICE = 0.1 ether; | |
| uint256 public EARLY_MINT_PRICE = 0.08 ether; | |
| uint256 public earlyMintTokenIdCap = 600; | |
| 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 { | |
| require(_newTokenIdCap <= collectionSize, "Cannot set incentive tokenId cap larger than totaly supply."); | |
| require(_newTokenIdCap >= 1, "Cannot set tokenId cap to less than the first token"); | |
| 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) { | |
| require(_count > 0, "Must be minting at least 1 token."); | |
| // 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; | |
| } | |
| 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; | |
| } | |
| // 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); | |
| } | |
| } | |
| abstract contract RamppERC721A is | |
| Ownable, | |
| Teams, | |
| ERC721ARedemption, | |
| WithdrawableV2, | |
| ReentrancyGuard | |
| , EarlyMintIncentive | |
| , Allowlist | |
| { | |
| constructor( | |
| string memory tokenName, | |
| string memory tokenSymbol | |
| ) ERC721A(tokenName, tokenSymbol, 1, 600) { } | |
| uint8 public CONTRACT_VERSION = 2; | |
| string public _baseTokenURI = "ipfs://QmaY2WantBYJXRFgfDFT8o92rpqwdxerzR2WsNjfATt8At/"; | |
| string public _baseTokenExtension = ".json"; | |
| bool public mintingOpen = true; | |
| uint256 public MAX_WALLET_MINTS = 1; | |
| /////////////// Admin Mint Functions | |
| /** | |
| * @dev Mints a token to an address with a tokenURI. | |
| * This is owner only and allows a fee-free drop | |
| * @param _to address of the future owner of the token | |
| * @param _qty amount of tokens to drop the owner | |
| */ | |
| function mintToAdminV2(address _to, uint256 _qty) public onlyTeamOrOwner{ | |
| require(_qty > 0, "Must mint at least 1 token."); | |
| require(currentTokenId() + _qty <= collectionSize, "Cannot mint over supply cap of 600"); | |
| _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 { | |
| require(onlyERC20MintingMode == false, "Only minting with ERC-20 tokens is enabled."); | |
| require(_amount >= 1, "Must mint at least 1 token"); | |
| require(_amount <= maxBatchSize, "Cannot mint more than max mint per transaction"); | |
| require(mintingOpen == true && onlyAllowlistMode == false, "Public minting is not open right now!"); | |
| require(canMintAmount(_to, _amount), "Wallet address is over the maximum allowed mints"); | |
| require(currentTokenId() + _amount <= collectionSize, "Cannot mint over supply cap of 600"); | |
| require(msg.value == getPrice(_amount), "Value below required mint fee for amount"); | |
| _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 { | |
| require(_amount >= 1, "Must mint at least 1 token"); | |
| require(_amount <= maxBatchSize, "Cannot mint more than max mint per transaction"); | |
| require(currentTokenId() + _amount <= collectionSize, "Cannot mint over supply cap of 600"); | |
| require(mintingOpen == true && onlyAllowlistMode == false, "Public minting is not open right now!"); | |
| require(canMintAmount(_to, _amount), "Wallet address is over the maximum allowed mints"); | |
| // ERC-20 Specific pre-flight checks | |
| require(isApprovedForERC20Payments(_erc20TokenContract), "ERC-20 Token is not approved for minting!"); | |
| uint256 tokensQtyToTransfer = chargeAmountForERC20(_erc20TokenContract) * _amount; | |
| IERC20 payableToken = IERC20(_erc20TokenContract); | |
| require(payableToken.balanceOf(_to) >= tokensQtyToTransfer, "Buyer does not own enough of token to complete purchase"); | |
| require(payableToken.allowance(_to, address(this)) >= tokensQtyToTransfer, "Buyer did not approve enough of ERC-20 token to complete purchase"); | |
| bool transferComplete = payableToken.transferFrom(_to, address(this), tokensQtyToTransfer); | |
| require(transferComplete, "ERC-20 token was unable to be transferred"); | |
| _safeMint(_to, _amount, false); | |
| } | |
| function openMinting() public onlyTeamOrOwner { | |
| mintingOpen = true; | |
| } | |
| function stopMinting() public onlyTeamOrOwner { | |
| mintingOpen = false; | |
| } | |
| ///////////// ALLOWLIST MINTING FUNCTIONS | |
| /** | |
| * @dev Mints tokens to an address using an allowlist. | |
| * fee may or may not be required* | |
| * @param _to address of the future owner of the token | |
| * @param _amount number of tokens to mint | |
| * @param _merkleProof merkle proof array | |
| */ | |
| function mintToMultipleAL(address _to, uint256 _amount, bytes32[] calldata _merkleProof) public payable { | |
| require(onlyERC20MintingMode == false, "Only minting with ERC-20 tokens is enabled."); | |
| require(onlyAllowlistMode == true && mintingOpen == true, "Allowlist minting is closed"); | |
| require(isAllowlisted(_to, _merkleProof), "Address is not in Allowlist!"); | |
| require(_amount >= 1, "Must mint at least 1 token"); | |
| require(_amount <= maxBatchSize, "Cannot mint more than max mint per transaction"); | |
| require(canMintAmount(_to, _amount), "Wallet address is over the maximum allowed mints"); | |
| require(currentTokenId() + _amount <= collectionSize, "Cannot mint over supply cap of 600"); | |
| require(msg.value == getPrice(_amount), "Value below required mint fee for amount"); | |
| _safeMint(_to, _amount, false); | |
| } | |
| /** | |
| * @dev Mints tokens to an address using an allowlist. | |
| * fee may or may not be required* | |
| * @param _to address of the future owner of the token | |
| * @param _amount number of tokens to mint | |
| * @param _merkleProof merkle proof array | |
| * @param _erc20TokenContract erc-20 token contract to mint with | |
| */ | |
| function mintToMultipleERC20AL(address _to, uint256 _amount, bytes32[] calldata _merkleProof, address _erc20TokenContract) public payable { | |
| require(onlyAllowlistMode == true && mintingOpen == true, "Allowlist minting is closed"); | |
| require(isAllowlisted(_to, _merkleProof), "Address is not in Allowlist!"); | |
| require(_amount >= 1, "Must mint at least 1 token"); | |
| require(_amount <= maxBatchSize, "Cannot mint more than max mint per transaction"); | |
| require(canMintAmount(_to, _amount), "Wallet address is over the maximum allowed mints"); | |
| require(currentTokenId() + _amount <= collectionSize, "Cannot mint over supply cap of 600"); | |
| // ERC-20 Specific pre-flight checks | |
| require(isApprovedForERC20Payments(_erc20TokenContract), "ERC-20 Token is not approved for minting!"); | |
| uint256 tokensQtyToTransfer = chargeAmountForERC20(_erc20TokenContract) * _amount; | |
| IERC20 payableToken = IERC20(_erc20TokenContract); | |
| require(payableToken.balanceOf(_to) >= tokensQtyToTransfer, "Buyer does not own enough of token to complete purchase"); | |
| require(payableToken.allowance(_to, address(this)) >= tokensQtyToTransfer, "Buyer did not approve enough of ERC-20 token to complete purchase"); | |
| bool transferComplete = payableToken.transferFrom(_to, address(this), tokensQtyToTransfer); | |
| require(transferComplete, "ERC-20 token was unable to be transferred"); | |
| _safeMint(_to, _amount, false); | |
| } | |
| /** | |
| * @dev Enable allowlist minting fully by enabling both flags | |
| * This is a convenience function for the Rampp user | |
| */ | |
| function openAllowlistMint() public onlyTeamOrOwner { | |
| enableAllowlistOnlyMode(); | |
| mintingOpen = true; | |
| } | |
| /** | |
| * @dev Close allowlist minting fully by disabling both flags | |
| * This is a convenience function for the Rampp user | |
| */ | |
| function closeAllowlistMint() public onlyTeamOrOwner { | |
| disableAllowlistOnlyMode(); | |
| mintingOpen = false; | |
| } | |
| /** | |
| * @dev Check if wallet over MAX_WALLET_MINTS | |
| * @param _address address in question to check if minted count exceeds max | |
| */ | |
| function canMintAmount(address _address, uint256 _amount) public view returns(bool) { | |
| require(_amount >= 1, "Amount must be greater than or equal to 1"); | |
| 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 { | |
| require(_newWalletMax >= 1, "Max mints per wallet must be at least 1"); | |
| 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 { | |
| require(_newMaxMint >= 1, "Max mint must be at least 1"); | |
| maxBatchSize = _newMaxMint; | |
| } | |
| 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; | |
| } | |
| function getOwnershipData(uint256 tokenId) external view returns(TokenOwnership memory) { | |
| return ownershipOf(tokenId); | |
| } | |
| } | |
| // File: contracts/FieldTripContract.sol | |
| //SPDX-License-Identifier: MIT | |
| pragma solidity ^0.8.0; | |
| contract FieldTripContract is RamppERC721A { | |
| constructor() RamppERC721A("Field Trip", "FTRIP"){} | |
| } | |
| //*********************************************************************// | |
| //*********************************************************************// | |
| // Mintplex v3.0.0 | |
| // | |
| // This smart contract was generated by mintplex.xyz. | |
| // Mintplex allows creators like you to launch | |
| // large scale NFT communities without code! | |
| // | |
| // Mintplex is not responsible for the content of this contract and | |
| // hopes it is being used in a responsible and kind way. | |
| // Mintplex is not associated or affiliated with this project. | |
| // Twitter: @MintplexNFT ---- mintplex.xyz | |
| //*********************************************************************// | |
| //*********************************************************************// | |