USA Node
Top Transactions
Blocks
Staking
Tokens
Broadcast TXN
CLI Interface
Developer API
Smart Contract HQ
Contact Us
Donate
Node Status
Node:
Main Net - US
Search
Token Contract Details
Contract:
0x9f6b2bd41490d4597038acde77c638c861b021cf
Name:
SpacePunk121
Symbol:
SP121
Total Supply:
121
Decimal:
Compiler Version:
v0.8.10
Published Contract:
Send Transactions
TNT-20 Transactions
TNT-721 Transactions
Contract
Contract ByteCode:
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
Published Contract:
/** *Submitted for verification at thetatoken.org on 2021-12-30 */ // SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.3.2 (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); } // OpenZeppelin Contracts v4.3.2 (utils/Address.sol) pragma solidity ^0.8.0; /** * @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 * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 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); } } } } // OpenZeppelin Contracts v4.3.2 (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); } } // OpenZeppelin Contracts v4.3.2 (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); } // OpenZeppelin Contracts v4.3.2 (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; } } // OpenZeppelin Contracts v4.3.2 (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; } // OpenZeppelin Contracts v4.3.2 (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); } // OpenZeppelin Contracts v4.3.2 (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; } } // OpenZeppelin Contracts v4.3.2 (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 tokenId); /** * @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); } // @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.3.2 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // 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 Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @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 || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @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) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); 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 virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @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. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: 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`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * 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 ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @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.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // @openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol // OpenZeppelin Contracts v4.3.2 (token/ERC721/extensions/ERC721Enumerable.sol) pragma solidity ^0.8.0; /** * @dev This implements an optional extension of {ERC721} defined in the EIP that adds * enumerability of all the token ids in the contract as well as all token ids owned by each * account. */ abstract contract ERC721Enumerable is ERC721, IERC721Enumerable { // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` cannot be the zero address. * - `to` cannot be the zero address. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /** * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /** * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list */ function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /** * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /** * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } } // @openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol // OpenZeppelin Contracts v4.3.2 (token/ERC721/extensions/ERC721URIStorage.sol) pragma solidity ^0.8.0; /** * @dev ERC721 token with storage based token URI management. */ abstract contract ERC721URIStorage is ERC721 { using Strings for uint256; // Optional mapping for token URIs mapping(uint256 => string) private _tokenURIs; /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token"); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = _baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked). if (bytes(_tokenURI).length > 0) { return string(abi.encodePacked(base, _tokenURI)); } return super.tokenURI(tokenId); } /** * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token"); _tokenURIs[tokenId] = _tokenURI; } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } } } // @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.3.2 (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); } } // @openzeppelin/contracts/utils/Counters.sol pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` */ library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } } pragma solidity ^0.8.2; //import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; //import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; //import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; //import "@openzeppelin/contracts/access/Ownable.sol"; //import "@openzeppelin/contracts/utils/Counters.sol"; // Token starting at 1 contract SpacePunk121 is ERC721, ERC721Enumerable, ERC721URIStorage, Ownable { string private baseURI; uint256 public MAX_NFT_SUPPLY = 121; constructor(string memory uri) ERC721("SpacePunk121", "SP121") { baseURI = uri; } /** * Set some NFTs aside */ function reserveNFTS(uint256 numberOfNFTs, address _senderAddress) public onlyOwner { require(totalSupply()
Contract ABI:
[{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_NFT_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numberOfNFTs","type":"uint256"},{"internalType":"address","name":"_senderAddress","type":"address"}],"name":"reserveNFTS","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numberOfNFTs","type":"uint256"},{"internalType":"address[]","name":"_senderAddress","type":"address[]"}],"name":"reserveToAddresses","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]