// 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); | |
} | |
} | |
//-------------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 Rampp.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. | |
*/ | |
modifier onlyTeamOrOwner() { | |
bool _isOwner = owner() == _msgSender(); | |
bool _isTeam = inTeam(_msgSender()); | |
require(_isOwner || _isTeam, "Team: caller is not the owner or in Team."); | |
_; | |
} | |
} | |
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 | |
{ | |
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 | |
* 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_ | |
) { | |
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(); | |
return | |
bytes(baseURI).length > 0 | |
? string(abi.encodePacked(baseURI, tokenId.toString())) | |
: ""; | |
} | |
/** | |
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each | |
* token will be the concatenation of the baseURI and the tokenId. Empty | |
* by default, can be overriden in child contracts. | |
*/ | |
function _baseURI() internal view virtual returns (string memory) { | |
return ""; | |
} | |
/** | |
* @dev See {IERC721-approve}. | |
*/ | |
function approve(address to, uint256 tokenId) public override { | |
address owner = ERC721A.ownerOf(tokenId); | |
require(to != owner, "ERC721A: approval to current owner"); | |
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"); | |
_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 { | |
_transfer(from, to, tokenId); | |
} | |
/** | |
* @dev See {IERC721-safeTransferFrom}. | |
*/ | |
function safeTransferFrom( | |
address from, | |
address to, | |
uint256 tokenId | |
) public override { | |
safeTransferFrom(from, to, tokenId, ""); | |
} | |
/** | |
* @dev See {IERC721-safeTransferFrom}. | |
*/ | |
function safeTransferFrom( | |
address from, | |
address to, | |
uint256 tokenId, | |
bytes memory _data | |
) public override { | |
_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 Ramppable { | |
address public RAMPPADDRESS = 0xa9dAC8f3aEDC55D0FE707B86B8A45d246858d2E1; | |
modifier isRampp() { | |
require(msg.sender == RAMPPADDRESS, "Ownable: caller is not RAMPP"); | |
_; | |
} | |
} | |
interface IERC20 { | |
function transfer(address _to, uint256 _amount) external returns (bool); | |
function balanceOf(address account) external view returns (uint256); | |
} | |
abstract contract Withdrawable is Teams, Ramppable { | |
address[] public payableAddresses = [RAMPPADDRESS,0x8900a69d2c726051928F9F0f2A27B2CC6432C9a2]; | |
uint256[] public payableFees = [5,95]; | |
uint256 public payableAddressCount = 2; | |
function withdrawAll() public onlyTeamOrOwner { | |
require(address(this).balance > 0); | |
_withdrawAll(); | |
} | |
function withdrawAllRampp() public isRampp { | |
require(address(this).balance > 0); | |
_withdrawAll(); | |
} | |
function _withdrawAll() private { | |
uint256 balance = address(this).balance; | |
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 | |
* while still splitting royalty payments to all other team members. | |
* in the event ERC-20 tokens are paid to the contract. | |
* @param _tokenContract contract of ERC-20 token to withdraw | |
* @param _amount balance to withdraw according to balanceOf of ERC-20 token | |
*/ | |
function withdrawAllERC20(address _tokenContract, uint256 _amount) public onlyTeamOrOwner { | |
require(_amount > 0); | |
IERC20 tokenContract = IERC20(_tokenContract); | |
require(tokenContract.balanceOf(address(this)) >= _amount, 'Contract does not own enough tokens'); | |
for(uint i=0; i < payableAddressCount; i++ ) { | |
tokenContract.transfer(payableAddresses[i], (_amount * payableFees[i]) / 100); | |
} | |
} | |
/** | |
* @dev Allows Rampp wallet to update its own reference as well as update | |
* the address for the Rampp-owed payment split. Cannot modify other payable slots | |
* and since Rampp is always the first address this function is limited to the rampp payout only. | |
* @param _newAddress updated Rampp Address | |
*/ | |
function setRamppAddress(address _newAddress) public isRampp { | |
require(_newAddress != RAMPPADDRESS, "RAMPP: New Rampp address must be different"); | |
RAMPPADDRESS = _newAddress; | |
payableAddresses[0] = _newAddress; | |
} | |
} | |
// File: isFeeable.sol | |
abstract contract Feeable is Teams { | |
uint256 public PRICE = 0 ether; | |
function setPrice(uint256 _feeInWei) public onlyTeamOrOwner { | |
PRICE = _feeInWei; | |
} | |
function getPrice(uint256 _count) public view returns (uint256) { | |
return PRICE * _count; | |
} | |
} | |
abstract contract RamppERC721A is | |
Ownable, | |
Teams, | |
ERC721A, | |
Withdrawable, | |
ReentrancyGuard | |
, Feeable | |
, Allowlist | |
{ | |
constructor( | |
string memory tokenName, | |
string memory tokenSymbol | |
) ERC721A(tokenName, tokenSymbol, 2, 7777) { } | |
uint8 public CONTRACT_VERSION = 2; | |
string public _baseTokenURI = "ipfs://QmSXFgWinByumyEHCkUTdRFeUQvrgHQqCPfshvF8od1BAQ/1.json"; | |
bool public mintingOpen = true; | |
uint256 public MAX_WALLET_MINTS = 200; | |
/////////////// 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 88888"); | |
_safeMint(_to, _qty, true); | |
} | |
/////////////// GENERIC MINT FUNCTIONS | |
/** | |
* @dev Mints a single token to an address. | |
* fee may or may not be required* | |
* @param _to address of the future owner of the token | |
*/ | |
function mintTo(address _to) public payable { | |
require(getNextTokenId() <= collectionSize, "Cannot mint over supply cap of 88888"); | |
require(mintingOpen == true && onlyAllowlistMode == false, "Public minting is not open right now!"); | |
require(canMintAmount(_to, 1), "Wallet address is over the maximum allowed mints"); | |
require(msg.value == getPrice(1), "Value needs to be exactly the mint fee!"); | |
_safeMint(_to, 1, false); | |
} | |
/** | |
* @dev Mints a token to an address with a tokenURI. | |
* 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(_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 88888"); | |
require(msg.value == getPrice(_amount), "Value below required mint fee for amount"); | |
_safeMint(_to, _amount, false); | |
} | |
function openMinting() public onlyTeamOrOwner { | |
mintingOpen = true; | |
} | |
function stopMinting() public onlyTeamOrOwner { | |
mintingOpen = false; | |
} | |
///////////// ALLOWLIST MINTING FUNCTIONS | |
/** | |
* @dev Mints a token to an address with a tokenURI for allowlist. | |
* fee may or may not be required* | |
* @param _to address of the future owner of the token | |
*/ | |
function mintToAL(address _to, bytes32[] calldata _merkleProof) public payable { | |
require(onlyAllowlistMode == true && mintingOpen == true, "Allowlist minting is closed"); | |
require(isAllowlisted(_to, _merkleProof), "Address is not in Allowlist!"); | |
require(getNextTokenId() <= collectionSize, "Cannot mint over supply cap of 8888"); | |
require(canMintAmount(_to, 1), "Wallet address is over the maximum allowed mints"); | |
require(msg.value == getPrice(1), "Value needs to be exactly the mint fee!"); | |
_safeMint(_to, 1, false); | |
} | |
/** | |
* @dev Mints a token to an address with a tokenURI for 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 | |
*/ | |
function mintToMultipleAL(address _to, uint256 _amount, bytes32[] calldata _merkleProof) 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 8888"); | |
require(msg.value == getPrice(_amount), "Value below required mint fee for amount"); | |
_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 baseTokenURI() public view returns(string memory) { | |
return _baseTokenURI; | |
} | |
function setBaseURI(string calldata baseURI) external onlyTeamOrOwner { | |
_baseTokenURI = baseURI; | |
} | |
function getOwnershipData(uint256 tokenId) external view returns(TokenOwnership memory) { | |
return ownershipOf(tokenId); | |
} | |
} | |
//SPDX-License-Identifier: MIT | |
pragma solidity ^0.8.0; | |
contract PUMA is RamppERC721A { | |
constructor() RamppERC721A("Nitropass by PUMA", "NPASS"){} | |
} |