ERC-20
Overview
Max Total Supply
1,625.624085879629628194 BB
Holders
292
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
13.257917129629629627 BBValue
$0.00Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
BallerBars
Compiler Version
v0.8.0+commit.c7dfd78e
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol"; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; // import "@openzeppelin/contracts/introspection/ERC165.sol"; import "./IChains.sol"; /** * * FT Contract (The native token of our NFT) * @dev Extends standard ERC20 contract */ contract BallerBars is Context, ERC20Burnable, Ownable { using SafeMath for uint256; // Constants uint256 public SECONDS_IN_A_DAY = 86400; // uint256 public constant INITIAL_ALLOTMENT = 30 * (10**18); // Public variables uint256 public emissionEnd = 1735689661; // uint256 public emissionPerDay = 1 * (10**18); mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; mapping(uint256 => uint256) private _lastClaim; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; address public _nftAddress; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. Also initalizes {emissionStart} * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor() ERC20("BallerBars", "BB") { } /** * @dev When accumulated FTs have last been claimed for a NFT index */ function lastClaim(uint256 tokenIndex) public view returns (uint256) { require( IChains(_nftAddress).ownerOf(tokenIndex) != address(0), "Owner cannot be 0 address" ); require( tokenIndex < IChains(_nftAddress).totalSupply(), "NFT at index has not been minted yet" ); uint256 emissionStart = IChains(_nftAddress).getTokenTimestamp(tokenIndex); uint256 lastClaimed = uint256(_lastClaim[tokenIndex]) != 0 ? uint256(_lastClaim[tokenIndex]) : emissionStart; return lastClaimed; } /** * @dev Accumulated fungible tokens for a non-fungible token index. */ function accumulated(uint256 tokenIndex) public view returns (uint256) { require( IChains(_nftAddress).ownerOf(tokenIndex) != address(0), "Owner cannot be 0 address" ); require( tokenIndex < IChains(_nftAddress).totalSupply(), "NFT at index has not been minted yet" ); uint256 lastClaimed = lastClaim(tokenIndex); // Sanity check if last claim was on or after emission end if (lastClaimed >= emissionEnd) return 0; uint256 accumulationPeriod = block.timestamp < emissionEnd ? block.timestamp : emissionEnd; // Getting the min value of both // check multiplier for the tokenIndex uint256 rarityCount = IChains(_nftAddress).getTokenRarityCount(tokenIndex); // uint256 thisTokenEmissionPerDay = 1 + (rarityCount * 0.33) * (10**18); uint256 thisTokenEmissionPerDay = ( 100 + (rarityCount * 33) ) * (10**16); uint256 totalAccumulated = accumulationPeriod.sub(lastClaimed).mul(thisTokenEmissionPerDay).div( SECONDS_IN_A_DAY ); return totalAccumulated; } /** * @dev It is set right after deployment. */ function setChainsAddress(address nftAddress) onlyOwner public { _nftAddress = nftAddress; } /** * @dev Changes the last time of the BB emission. */ function setEmissionEnd(uint256 _emissionEnd) onlyOwner public { emissionEnd = _emissionEnd; } /** * @dev Claim mints FTs and supports multiple NFT indices at once. */ function claim(uint256[] memory tokenIndices) public returns (uint256) { uint256 totalClaimQty = 0; for (uint256 i = 0; i < tokenIndices.length; i++) { // Sanity check for non-minted index require( tokenIndices[i] < IChains(_nftAddress).totalSupply(), "NFT at index has not been minted yet" ); // Duplicate token index check for (uint256 j = i + 1; j < tokenIndices.length; j++) { require( tokenIndices[i] != tokenIndices[j], "Duplicate token index" ); } uint256 tokenIndex = tokenIndices[i]; require( IChains(_nftAddress).ownerOf(tokenIndex) == msg.sender, "Sender is not the owner" ); uint256 claimQty = accumulated(tokenIndex); if (claimQty != 0) { totalClaimQty = totalClaimQty.add(claimQty); _lastClaim[tokenIndex] = block.timestamp; } } require(totalClaimQty != 0, "No accumulated tokens"); _mint(msg.sender, totalClaimQty); return totalClaimQty; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; interface IChains is IERC721Enumerable { function getTokenTimestamp(uint256 _tokenId) external view returns (uint256); function getTokenRarityCount(uint256 _tokenId) external view returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } }
// SPDX-License-Identifier: MIT 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 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 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); } }
// SPDX-License-Identifier: MIT 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 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); } } } }
// SPDX-License-Identifier: MIT 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 pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @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); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../ERC721.sol"; import "./IERC721Enumerable.sol"; /** * @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(); } }
// SPDX-License-Identifier: MIT 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); }
// SPDX-License-Identifier: MIT 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`, 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; }
// SPDX-License-Identifier: MIT 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: 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 { require(operator != _msgSender(), "ERC721: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public 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 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 {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../ERC20.sol"; import "../../../utils/Context.sol"; /** * @dev Extension of {ERC20} that allows token holders to destroy both their own * tokens and those that they have an allowance for, in a way that can be * recognized off-chain (via event analysis). */ abstract contract ERC20Burnable is Context, ERC20 { /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(_msgSender(), amount); } /** * @dev Destroys `amount` tokens from `account`, deducting from the caller's * allowance. * * See {ERC20-_burn} and {ERC20-allowance}. * * Requirements: * * - the caller must have allowance for ``accounts``'s tokens of at least * `amount`. */ function burnFrom(address account, uint256 amount) public virtual { uint256 currentAllowance = allowance(account, _msgSender()); require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance"); unchecked { _approve(account, _msgSender(), currentAllowance - amount); } _burn(account, amount); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./IERC20.sol"; import "./extensions/IERC20Metadata.sol"; import "../../utils/Context.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom( address sender, address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); unchecked { _approve(sender, _msgSender(), currentAllowance - amount); } return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(_msgSender(), spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer( address sender, address recipient, uint256 amount ) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[sender] = senderBalance - amount; } _balances[recipient] += amount; emit Transfer(sender, recipient, amount); _afterTokenTransfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens 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 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been 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 _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @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() { _setOwner(_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 { _setOwner(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"); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
{ "remappings": [], "optimizer": { "enabled": true, "runs": 200 }, "evmVersion": "istanbul", "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":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","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":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"SECONDS_IN_A_DAY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_nftAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenIndex","type":"uint256"}],"name":"accumulated","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIndices","type":"uint256[]"}],"name":"claim","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emissionEnd","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenIndex","type":"uint256"}],"name":"lastClaim","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"nftAddress","type":"address"}],"name":"setChainsAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_emissionEnd","type":"uint256"}],"name":"setEmissionEnd","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","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":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
60806040526201518060065563677485bd6007553480156200002057600080fd5b50604080518082018252600a81526942616c6c65724261727360b01b602080830191825283518085019094526002845261212160f11b9084015281519192916200006d91600391620000fc565b50805162000083906004906020840190620000fc565b505050620000a06200009a620000a660201b60201c565b620000aa565b620001df565b3390565b600580546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b8280546200010a90620001a2565b90600052602060002090601f0160209004810192826200012e576000855562000179565b82601f106200014957805160ff191683800117855562000179565b8280016001018555821562000179579182015b82811115620001795782518255916020019190600101906200015c565b50620001879291506200018b565b5090565b5b808211156200018757600081556001016200018c565b600281046001821680620001b757607f821691505b60208210811415620001d957634e487b7160e01b600052602260045260246000fd5b50919050565b611af580620001ef6000396000f3fe608060405234801561001057600080fd5b50600436106101585760003560e01c80638368909c116100c3578063a983a2a21161007c578063a983a2a2146102a7578063c607cde7146102ba578063dd62ed3e146102cd578063f2fde38b146102e0578063f605f9d1146102f3578063f9cfa06f1461030657610158565b80638368909c146102545780638da5cb5b1461025c57806395d89b4114610271578063a457c2d714610279578063a65d61551461028c578063a9059cbb1461029457610158565b80633d3728b5116101155780633d3728b5146101eb57806342966c68146101fe5780636ba4c1381461021357806370a0823114610226578063715018a61461023957806379cc67901461024157610158565b806306fdde031461015d578063095ea7b31461017b57806318160ddd1461019b57806323b872dd146101b0578063313ce567146101c357806339509351146101d8575b600080fd5b61016561030e565b60405161017291906114e6565b60405180910390f35b61018e6101893660046113b2565b6103a0565b60405161017291906114db565b6101a36103bd565b60405161017291906119a3565b61018e6101be366004611372565b6103c3565b6101cb61045c565b60405161017291906119ac565b61018e6101e63660046113b2565b610461565b6101a36101f9366004611497565b6104b5565b61021161020c366004611497565b6106c6565b005b6101a36102213660046113dd565b6106da565b6101a3610234366004611302565b61099d565b6102116109b8565b61021161024f3660046113b2565b610a03565b6101a3610a56565b610264610a5c565b60405161017291906114c7565b610165610a6b565b61018e6102873660046113b2565b610a7a565b610264610af3565b61018e6102a23660046113b2565b610b07565b6102116102b5366004611497565b610b1b565b6101a36102c8366004611497565b610b5f565b6101a36102db36600461133a565b610dd4565b6102116102ee366004611302565b610dff565b610211610301366004611302565b610e6d565b6101a3610ed4565b60606003805461031d90611a28565b80601f016020809104026020016040519081016040528092919081815260200182805461034990611a28565b80156103965780601f1061036b57610100808354040283529160200191610396565b820191906000526020600020905b81548152906001019060200180831161037957829003601f168201915b5050505050905090565b60006103b46103ad610eda565b8484610ede565b50600192915050565b60025490565b60006103d0848484610f92565b6001600160a01b0384166000908152600160205260408120816103f1610eda565b6001600160a01b03166001600160a01b031681526020019081526020016000205490508281101561043d5760405162461bcd60e51b815260040161043490611765565b60405180910390fd5b61045185610449610eda565b858403610ede565b506001949350505050565b601290565b60006103b461046e610eda565b84846001600061047c610eda565b6001600160a01b03908116825260208083019390935260409182016000908120918b16815292529020546104b091906119ba565b610ede565b600e546040516331a9108f60e11b815260009182916101009091046001600160a01b031690636352211e906104ee9086906004016119a3565b60206040518083038186803b15801561050657600080fd5b505afa15801561051a573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061053e919061131e565b6001600160a01b031614156105655760405162461bcd60e51b8152600401610434906116ff565b600e60019054906101000a90046001600160a01b03166001600160a01b03166318160ddd6040518163ffffffff1660e01b815260040160206040518083038186803b1580156105b357600080fd5b505afa1580156105c7573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906105eb91906114af565b82106106095760405162461bcd60e51b8152600401610434906115be565b600e546040516308685ac360e21b815260009161010090046001600160a01b0316906321a16b0c9061063f9086906004016119a3565b60206040518083038186803b15801561065757600080fd5b505afa15801561066b573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061068f91906114af565b6000848152600a6020526040812054919250906106ac57816106bc565b6000848152600a60205260409020545b925050505b919050565b6106d76106d1610eda565b826110bc565b50565b600080805b835181101561096f57600e60019054906101000a90046001600160a01b03166001600160a01b03166318160ddd6040518163ffffffff1660e01b815260040160206040518083038186803b15801561073657600080fd5b505afa15801561074a573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061076e91906114af565b84828151811061078e57634e487b7160e01b600052603260045260246000fd5b6020026020010151106107b35760405162461bcd60e51b8152600401610434906115be565b60006107c08260016119ba565b90505b845181101561084c578481815181106107ec57634e487b7160e01b600052603260045260246000fd5b602002602001015185838151811061081457634e487b7160e01b600052603260045260246000fd5b6020026020010151141561083a5760405162461bcd60e51b815260040161043490611736565b8061084481611a63565b9150506107c3565b50600084828151811061086f57634e487b7160e01b600052603260045260246000fd5b6020908102919091010151600e546040516331a9108f60e11b815291925033916101009091046001600160a01b031690636352211e906108b39085906004016119a3565b60206040518083038186803b1580156108cb57600080fd5b505afa1580156108df573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610903919061131e565b6001600160a01b0316146109295760405162461bcd60e51b815260040161043490611826565b600061093482610b5f565b9050801561095a5761094684826111ad565b6000838152600a6020526040902042905593505b5050808061096790611a63565b9150506106df565b508061098d5760405162461bcd60e51b8152600401610434906116d0565b61099733826111c0565b92915050565b6001600160a01b031660009081526020819052604090205490565b6109c0610eda565b6001600160a01b03166109d1610a5c565b6001600160a01b0316146109f75760405162461bcd60e51b8152600401610434906117ad565b610a01600061128c565b565b6000610a11836102db610eda565b905081811015610a335760405162461bcd60e51b8152600401610434906117e2565b610a4783610a3f610eda565b848403610ede565b610a5183836110bc565b505050565b60075481565b6005546001600160a01b031690565b60606004805461031d90611a28565b60008060016000610a89610eda565b6001600160a01b0390811682526020808301939093526040918201600090812091881681529252902054905082811015610ad55760405162461bcd60e51b815260040161043490611927565b610ae9610ae0610eda565b85858403610ede565b5060019392505050565b600e5461010090046001600160a01b031681565b60006103b4610b14610eda565b8484610f92565b610b23610eda565b6001600160a01b0316610b34610a5c565b6001600160a01b031614610b5a5760405162461bcd60e51b8152600401610434906117ad565b600755565b600e546040516331a9108f60e11b815260009182916101009091046001600160a01b031690636352211e90610b989086906004016119a3565b60206040518083038186803b158015610bb057600080fd5b505afa158015610bc4573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610be8919061131e565b6001600160a01b03161415610c0f5760405162461bcd60e51b8152600401610434906116ff565b600e60019054906101000a90046001600160a01b03166001600160a01b03166318160ddd6040518163ffffffff1660e01b815260040160206040518083038186803b158015610c5d57600080fd5b505afa158015610c71573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610c9591906114af565b8210610cb35760405162461bcd60e51b8152600401610434906115be565b6000610cbe836104b5565b90506007548110610cd35760009150506106c1565b60006007544210610ce657600754610ce8565b425b600e5460405162250c9160e51b81529192506000916101009091046001600160a01b0316906304a1922090610d219088906004016119a3565b60206040518083038186803b158015610d3957600080fd5b505afa158015610d4d573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610d7191906114af565b90506000610d808260216119f2565b610d8b9060646119ba565b610d9c90662386f26fc100006119f2565b90506000610dc9600654610dc384610dbd89896112de90919063ffffffff16565b906112ea565b906112f6565b979650505050505050565b6001600160a01b03918216600090815260016020908152604080832093909416825291909152205490565b610e07610eda565b6001600160a01b0316610e18610a5c565b6001600160a01b031614610e3e5760405162461bcd60e51b8152600401610434906117ad565b6001600160a01b038116610e645760405162461bcd60e51b815260040161043490611602565b6106d78161128c565b610e75610eda565b6001600160a01b0316610e86610a5c565b6001600160a01b031614610eac5760405162461bcd60e51b8152600401610434906117ad565b600e80546001600160a01b0390921661010002610100600160a81b0319909216919091179055565b60065481565b3390565b6001600160a01b038316610f045760405162461bcd60e51b8152600401610434906118e3565b6001600160a01b038216610f2a5760405162461bcd60e51b815260040161043490611648565b6001600160a01b0380841660008181526001602090815260408083209487168084529490915290819020849055517f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92590610f859085906119a3565b60405180910390a3505050565b6001600160a01b038316610fb85760405162461bcd60e51b81526004016104349061189e565b6001600160a01b038216610fde5760405162461bcd60e51b815260040161043490611539565b610fe9838383610a51565b6001600160a01b038316600090815260208190526040902054818110156110225760405162461bcd60e51b81526004016104349061168a565b6001600160a01b038085166000908152602081905260408082208585039055918516815290812080548492906110599084906119ba565b92505081905550826001600160a01b0316846001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef846040516110a391906119a3565b60405180910390a36110b6848484610a51565b50505050565b6001600160a01b0382166110e25760405162461bcd60e51b81526004016104349061185d565b6110ee82600083610a51565b6001600160a01b038216600090815260208190526040902054818110156111275760405162461bcd60e51b81526004016104349061157c565b6001600160a01b0383166000908152602081905260408120838303905560028054849290611156908490611a11565b90915550506040516000906001600160a01b038516907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef906111999086906119a3565b60405180910390a3610a5183600084610a51565b60006111b982846119ba565b9392505050565b6001600160a01b0382166111e65760405162461bcd60e51b81526004016104349061196c565b6111f260008383610a51565b806002600082825461120491906119ba565b90915550506001600160a01b038216600090815260208190526040812080548392906112319084906119ba565b90915550506040516001600160a01b038316906000907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef906112749085906119a3565b60405180910390a361128860008383610a51565b5050565b600580546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b60006111b98284611a11565b60006111b982846119f2565b60006111b982846119d2565b600060208284031215611313578081fd5b81356111b981611aaa565b60006020828403121561132f578081fd5b81516111b981611aaa565b6000806040838503121561134c578081fd5b823561135781611aaa565b9150602083013561136781611aaa565b809150509250929050565b600080600060608486031215611386578081fd5b833561139181611aaa565b925060208401356113a181611aaa565b929592945050506040919091013590565b600080604083850312156113c4578182fd5b82356113cf81611aaa565b946020939093013593505050565b600060208083850312156113ef578182fd5b823567ffffffffffffffff80821115611406578384fd5b818501915085601f830112611419578384fd5b81358181111561142b5761142b611a94565b8381026040518582820101818110858211171561144a5761144a611a94565b604052828152858101935084860182860187018a1015611468578788fd5b8795505b8386101561148a57803585526001959095019493860193860161146c565b5098975050505050505050565b6000602082840312156114a8578081fd5b5035919050565b6000602082840312156114c0578081fd5b5051919050565b6001600160a01b0391909116815260200190565b901515815260200190565b6000602080835283518082850152825b81811015611512578581018301518582016040015282016114f6565b818111156115235783604083870101525b50601f01601f1916929092016040019392505050565b60208082526023908201527f45524332303a207472616e7366657220746f20746865207a65726f206164647260408201526265737360e81b606082015260800190565b60208082526022908201527f45524332303a206275726e20616d6f756e7420657863656564732062616c616e604082015261636560f01b606082015260800190565b60208082526024908201527f4e465420617420696e64657820686173206e6f74206265656e206d696e746564604082015263081e595d60e21b606082015260800190565b60208082526026908201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160408201526564647265737360d01b606082015260800190565b60208082526022908201527f45524332303a20617070726f766520746f20746865207a65726f206164647265604082015261737360f01b606082015260800190565b60208082526026908201527f45524332303a207472616e7366657220616d6f756e7420657863656564732062604082015265616c616e636560d01b606082015260800190565b6020808252601590820152744e6f20616363756d756c6174656420746f6b656e7360581b604082015260600190565b60208082526019908201527f4f776e65722063616e6e6f742062652030206164647265737300000000000000604082015260600190565b602080825260159082015274088eae0d8d2c6c2e8ca40e8ded6cadc40d2dcc8caf605b1b604082015260600190565b60208082526028908201527f45524332303a207472616e7366657220616d6f756e74206578636565647320616040820152676c6c6f77616e636560c01b606082015260800190565b6020808252818101527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604082015260600190565b60208082526024908201527f45524332303a206275726e20616d6f756e74206578636565647320616c6c6f77604082015263616e636560e01b606082015260800190565b60208082526017908201527f53656e646572206973206e6f7420746865206f776e6572000000000000000000604082015260600190565b60208082526021908201527f45524332303a206275726e2066726f6d20746865207a65726f206164647265736040820152607360f81b606082015260800190565b60208082526025908201527f45524332303a207472616e736665722066726f6d20746865207a65726f206164604082015264647265737360d81b606082015260800190565b60208082526024908201527f45524332303a20617070726f76652066726f6d20746865207a65726f206164646040820152637265737360e01b606082015260800190565b60208082526025908201527f45524332303a2064656372656173656420616c6c6f77616e63652062656c6f77604082015264207a65726f60d81b606082015260800190565b6020808252601f908201527f45524332303a206d696e7420746f20746865207a65726f206164647265737300604082015260600190565b90815260200190565b60ff91909116815260200190565b600082198211156119cd576119cd611a7e565b500190565b6000826119ed57634e487b7160e01b81526012600452602481fd5b500490565b6000816000190483118215151615611a0c57611a0c611a7e565b500290565b600082821015611a2357611a23611a7e565b500390565b600281046001821680611a3c57607f821691505b60208210811415611a5d57634e487b7160e01b600052602260045260246000fd5b50919050565b6000600019821415611a7757611a77611a7e565b5060010190565b634e487b7160e01b600052601160045260246000fd5b634e487b7160e01b600052604160045260246000fd5b6001600160a01b03811681146106d757600080fdfea2646970667358221220c104a0064e7b278f085188fbf6fcea9b0aad043a98ab6edcafd966a1a0d56e0a64736f6c63430008000033
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.