ERC-721
Overview
Max Total Supply
2,222 SWL
Holders
728
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 SWLLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
FreeMintNFT
Compiler Version
v0.8.15+commit.e14f2714
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Some pragma solidity ^0.8.6; import {ERC721URIStorage} from "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; import {ERC721} from "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol"; contract FreeMintNFT is ERC721URIStorage{ address public forEth; address public server; address public owner; uint public totalMinted; uint public totalSupply; string public link; mapping(address => bool) mintedPerPerson; constructor() ERC721("Ink Cell", "SWL"){ totalMinted = 0; totalSupply = 2222; link = "https://mint.swallow.digital/free_mint/metadata/"; forEth = 0x1387007002958FCc61E3fF93CdA47eE70121D921; server = 0x40c0B3f63459c4301338DFCf7899a0Ec93481f02; owner = msg.sender; } function _baseURI() internal view virtual override returns (string memory) { return link; } function specialMinting(bytes memory sig) payable public returns(bool){ require(totalMinted < totalSupply, "All minted"); require(!mintedPerPerson[msg.sender], "One per person"); bytes32 hash = keccak256(abi.encodePacked(msg.sender, msg.value)); bytes32 message = ECDSA.toEthSignedMessageHash(hash); address receivedAddress = ECDSA.recover(message, sig); require(server == receivedAddress, "Wrong signature"); totalMinted += 1; mintedPerPerson[msg.sender] = true; _safeMint(msg.sender, totalMinted); if(msg.value > 0){ payable(forEth).transfer(msg.value); } return true; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol";
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../Strings.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV // Deprecated in v4.8 } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) { // 32 is the length in bytes of hash, // enforced by the type signature above /// @solidity memory-safe-assembly assembly { mstore(0x00, "\x19Ethereum Signed Message:\n32") mstore(0x1c, hash) message := keccak256(0x00, 0x3c) } } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) { /// @solidity memory-safe-assembly assembly { let ptr := mload(0x40) mstore(ptr, "\x19\x01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) data := keccak256(ptr, 0x42) } } /** * @dev Returns an Ethereum Signed Data with intended validator, created from a * `validator` and `data` according to the version 0 of EIP-191. * * See {recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x00", validator, data)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; import "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toString(int256 value) internal pure returns (string memory) { return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value)))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @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] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // 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; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.0; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/extensions/ERC721URIStorage.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "../../../interfaces/IERC4906.sol"; /** * @dev ERC721 token with storage based token URI management. */ abstract contract ERC721URIStorage is IERC4906, ERC721 { using Strings for uint256; // Optional mapping for token URIs mapping(uint256 => string) private _tokenURIs; /** * @dev See {IERC165-supportsInterface} */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, IERC165) returns (bool) { return interfaceId == bytes4(0x49064906) || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); 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`. * * Emits {MetadataUpdate}. * * 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; emit MetadataUpdate(tokenId); } /** * @dev See {ERC721-_burn}. This override additionally checks to see if a * token-specific URI was set for the token, and if so, it deletes the token URI from * the storage mapping. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (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 `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @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`. * * 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; /** * @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 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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * 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 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 the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "./extensions/IERC721Metadata.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/Strings.sol"; import "../../utils/introspection/ERC165.sol"; /** * @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: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _ownerOf(tokenId); require(owner != address(0), "ERC721: invalid token ID"); 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) { _requireMinted(tokenId); 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 overridden 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 token owner or approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); 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: caller is not token owner or 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: caller is not token owner or 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 the owner of the `tokenId`. Does NOT revert if token doesn't exist */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _owners[tokenId]; } /** * @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 _ownerOf(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) { address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == 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, 1); // Check that tokenId was not minted by `_beforeTokenTransfer` hook require(!_exists(tokenId), "ERC721: token already minted"); unchecked { // Will not overflow unless all 2**256 token ids are minted to the same owner. // Given that tokens are minted one by one, it is impossible in practice that // this ever happens. Might change if we allow batch minting. // The ERC fails to describe this case. _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId, 1); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId, 1); // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook owner = ERC721.ownerOf(tokenId); // Clear approvals delete _tokenApprovals[tokenId]; unchecked { // Cannot overflow, as that would require more tokens to be burned/transferred // out than the owner initially received through minting and transferring in. _balances[owner] -= 1; } delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId, 1); } /** * @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 from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId, 1); // Check that tokenId was not transferred by `_beforeTokenTransfer` hook require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); // Clear approvals from the previous owner delete _tokenApprovals[tokenId]; unchecked { // `_balances[from]` cannot overflow for the same reason as described in `_burn`: // `from`'s balance is the number of token held, which is at least one before the current // transfer. // `_balances[to]` could overflow in the conditions described in `_mint`. That would require // all 2**256 token ids to be minted, which in practice is impossible. _balances[from] -= 1; _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId, 1); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {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 an {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 Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "ERC721: invalid token ID"); } /** * @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 { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`. * - When `from` is zero, the tokens will be minted for `to`. * - When `to` is zero, ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {} /** * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`. * - When `from` is zero, the tokens were minted for `to`. * - When `to` is zero, ``from``'s tokens were burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {} /** * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override. * * WARNING: Anyone calling this MUST ensure that the balances remain consistent with the ownership. The invariant * being that for any address `a` the value returned by `balanceOf(a)` must be equal to the number of tokens such * that `ownerOf(tokenId)` is `a`. */ // solhint-disable-next-line func-name-mixedcase function __unsafe_increaseBalance(address account, uint256 amount) internal { _balances[account] += amount; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC721.sol) pragma solidity ^0.8.0; import "../token/ERC721/IERC721.sol";
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC4906.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; import "./IERC721.sol"; /// @title EIP-721 Metadata Update Extension interface IERC4906 is IERC165, IERC721 { /// @dev This event emits when the metadata of a token is changed. /// So that the third-party platforms such as NFT market could /// timely update the images and related attributes of the NFT. event MetadataUpdate(uint256 _tokenId); /// @dev This event emits when the metadata of a range of tokens is changed. /// So that the third-party platforms such as NFT market could /// timely update the images and related attributes of the NFTs. event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (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 * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [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://consensys.net/diligence/blog/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/v0.8.0/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 functionCallWithValue(target, data, 0, "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"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or 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 { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // 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 /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
{ "remappings": [], "optimizer": { "enabled": false, "runs": 200 }, "evmVersion": "london", "libraries": {}, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"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":false,"internalType":"uint256","name":"_fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_toTokenId","type":"uint256"}],"name":"BatchMetadataUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"MetadataUpdate","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":[{"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":[],"name":"forEth","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"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":"link","outputs":[{"internalType":"string","name":"","type":"string"}],"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":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"server","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"sig","type":"bytes"}],"name":"specialMinting","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"payable","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":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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"}]
Contract Creation Code
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
Deployed Bytecode
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
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.