ERC-20
Overview
Max Total Supply
1,355,591.932351766166986849 $STEAK
Holders
235
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
10.81861111111111111 $STEAKValue
$0.00Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
CryptoFoxesSteak
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
No 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/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol"; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; import "./CryptoFoxes.sol"; import "./CryptoFoxesOrigins.sol"; import "./ICryptoFoxesSteakBurnable.sol"; import "./CryptoFoxesAllowed.sol"; // @author: miinded.com ///////////////////////////////////////////////////////////////////////////////////// // // // // // ((((((((. ((((( // // @@@@@@@@. @@@@@ // // @@@&&&%%@@@ @@@&&@@@ // // @@@%%%@@#((@@@ @@@&&&&&%%%@@@ // // @@@(((%%,..(((@@& @@@&&&%%///@@@ // // %@@(((@@@.. ...@@& @@@%%%/////(((@@% // // %@@///@@& ///@@@@@%%%%%%((//////@@% // // (%%///@@& @@@/////(((@@@%%%%%///@@% // // (%%///@@& %%%(((///////////((@@@(((%%# // // (%%///... #%%/////////////////////////%%# // // %@@///@@@@@#((/////////////////////////@@% // // %@@///%%%%%(((////////((((((/////((((((%%#// // // %@@///(((/////////////((((((/////((((((((#@@ // // @@#((//////////////////////////////////////(%% // // @@#((//////////////&&&&&&&&&&&////////&&&&&&%% // // @@(/////////////&&& ((( ////////((( ,&& // // @@@((///////////(((&&& ### ///(((((### ,&&%%% // // @@@/////...... (((///////////((#&&&&&&&&..,((%%% // // @@@((. ..,//,..... &&& .//@@@ // // @@#((... &&&&&...&&& @@@ // // @@@@@ @@#(( ..@@@ // // @@@..(%% %@@%%%%%%..... ..*%% // // (((../((*** /((///////////*************************///// // // ...%%% @@&%%%%%%%%%%%%%%%%%%%%%@@@@@@%%# // // ...%%% &&%##(((.................**@@@ // // ...@@, %%%/////... ..(((@@@ // // ... ///((&@@@@@////////%%% .%%(((@@@ Miinded // // ... ////////(((@@@/////(((%%% .%%((((((%%# // ///////////////////////////////////////////////////////////////////////////////////// contract CryptoFoxesSteak is Ownable, ERC20, ERC20Burnable, CryptoFoxesAllowed, ICryptoFoxesSteakBurnable { using SafeMath for uint256; event RewardPaid(address indexed user, uint256 reward); mapping (address => uint256) private _rewards; uint256 public pause = 0; uint256 public endRewards = 0; constructor() ERC20("CryptoFoxesSteak", "$STEAK") { endRewards = block.timestamp + (365 days * 10); } modifier isNotPaused() { require(isPaused() == false, "Contract Pause"); _; } function addRewards(address _to, uint _count) public override isFoxContract isNotPaused { _rewards[_to] = _rewards[_to].add(_count); } function burnSteaks( address _to, uint _count) public override isFoxContract isNotPaused { require (balanceOf(_to) >= _count, "Not enough"); burnFrom(_to, _count); } function setPause(uint256 _pause) public onlyOwner{ pause = _pause; } function isPaused() public override view returns(bool) { return pause > 0; } function dateEndRewards() external override view returns(uint256) { return endRewards; } function getRewards(address _owner) public view returns(uint256){ return _rewards[_owner]; } function withdrawRewards(address _to) public override isFoxContract isNotPaused{ _withdraw(_to); } function withdrawRewardsFrom() public isNotPaused{ _withdraw(_msgSender()); } function _withdraw(address _to) private{ require(_rewards[_to] > 0, "Collect your reward before"); uint256 reward = _rewards[_to]; _rewards[_to] = 0; _mint(_to, reward); emit RewardPaid(_to, reward); } function addEndRewards(uint256 _time) external isFoxContract { endRewards = endRewards.add(_time); } function burnEndRewards(uint256 _time) external isFoxContract { endRewards = endRewards.sub(_time); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./ICryptoFoxesSteak.sol"; // @author: miinded.com interface ICryptoFoxesSteakBurnable is ICryptoFoxesSteak { function burnSteaks(address _to, uint256 _amount) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // @author: miinded.com interface ICryptoFoxesSteak { function addRewards(address _to, uint256 _amount) external; function withdrawRewards(address _to) external; function isPaused() external view returns(bool); function dateEndRewards() external view returns(uint256); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // @author: miinded.com interface ICryptoFoxesOrigins { function getStackingToken(uint256 tokenId) external view returns(uint256); function _currentTime(uint256 _currentTimestamp) external view returns(uint256); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // @author: miinded.com interface ICryptoFoxesCalculationOrigin { function calculationRewards(address _contract, uint256[] calldata _tokenIds, uint256 _currentTimestamp) external view returns(uint256); function claimRewards(address _contract, uint256[] calldata _tokenIds, address _owner) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "./ICryptoFoxesSteak.sol"; import "./CryptoFoxesAllowed.sol"; // @author: miinded.com abstract contract CryptoFoxesUtility is Ownable,CryptoFoxesAllowed, ICryptoFoxesSteak { using SafeMath for uint256; uint256 public endRewards = 0; ICryptoFoxesSteak public cryptofoxesSteak; function setCryptoFoxesSteak(address _contract) public onlyOwner { cryptofoxesSteak = ICryptoFoxesSteak(_contract); setAllowedContract(_contract, true); synchroEndRewards(); } function _addRewards(address _to, uint256 _amount) internal { cryptofoxesSteak.addRewards(_to, _amount); } function addRewards(address _to, uint256 _amount) public override isFoxContract { _addRewards(_to, _amount); } function withdrawRewards(address _to) public override isFoxContract { cryptofoxesSteak.withdrawRewards(_to); } function _withdrawRewards(address _to) internal { cryptofoxesSteak.withdrawRewards(_to); } function isPaused() public view override returns(bool){ return cryptofoxesSteak.isPaused(); } function synchroEndRewards() public { endRewards = cryptofoxesSteak.dateEndRewards(); } function dateEndRewards() public view override returns(uint256){ require(endRewards > 0, "End Rewards error"); return endRewards; } function _currentTime(uint256 _currentTimestamp) public view virtual returns (uint256) { return min(_currentTimestamp, dateEndRewards()); } function min(uint256 a, uint256 b) public pure returns (uint256){ return a > b ? b : a; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol"; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "./ICryptoFoxesCalculationOrigin.sol"; import "./CryptoFoxesUtility.sol"; import "./ICryptoFoxesOrigins.sol"; // @author: miinded.com ///////////////////////////////////////////////////////////////////////////////////// // // // // // ((((((((. ((((( // // @@@@@@@@. @@@@@ // // @@@&&&%%@@@ @@@&&@@@ // // @@@%%%@@#((@@@ @@@&&&&&%%%@@@ // // @@@(((%%,..(((@@& @@@&&&%%///@@@ // // %@@(((@@@.. ...@@& @@@%%%/////(((@@% // // %@@///@@& ///@@@@@%%%%%%((//////@@% // // (%%///@@& @@@/////(((@@@%%%%%///@@% // // (%%///@@& %%%(((///////////((@@@(((%%# // // (%%///... #%%/////////////////////////%%# // // %@@///@@@@@#((/////////////////////////@@% // // %@@///%%%%%(((////////((((((/////((((((%%#// // // %@@///(((/////////////((((((/////((((((((#@@ // // @@#((//////////////////////////////////////(%% // // @@#((//////////////&&&&&&&&&&&////////&&&&&&%% // // @@(/////////////&&& ((( ////////((( ,&& // // @@@((///////////(((&&& ### ///(((((### ,&&%%% // // @@@/////...... (((///////////((#&&&&&&&&..,((%%% // // @@@((. ..,//,..... &&& .//@@@ // // @@#((... &&&&&...&&& @@@ // // @@@@@ @@#(( ..@@@ // // @@@..(%% %@@%%%%%%..... ..*%% // // (((../((*** /((///////////*************************///// // // ...%%% @@&%%%%%%%%%%%%%%%%%%%%%@@@@@@%%# // // ...%%% &&%##(((.................**@@@ // // ...@@, %%%/////... ..(((@@@ // // ... ///((&@@@@@////////%%% .%%(((@@@ Miinded // // ... ////////(((@@@/////(((%%% .%%((((((%%# // ///////////////////////////////////////////////////////////////////////////////////// contract CryptoFoxesOrigins is ERC721, Ownable, ICryptoFoxesOrigins, CryptoFoxesUtility { using SafeMath for uint256; IERC1155 public constant OPENSEA_STORE = IERC1155(0x495f947276749Ce646f68AC8c248420045cb7b5e); uint256 public constant MAX_ELEMENTS = 1000; uint256 internal _foxIdTracker; struct ExtraMint{ uint256 startId; uint256 endId; uint256 trackerId; uint256 isBurnable; uint256 limitTime; } ExtraMint[] public extraMint; mapping(uint256 => uint256) public stackingOrigins; mapping(address => mapping(uint256 => uint256)) public ownerOrigins; mapping(uint256 => uint256) private ownerOriginsIndex; string public baseTokenURI; ICryptoFoxesCalculationOrigin public calculationContract; constructor(string memory baseURI) ERC721("CryptoFoxesOrigins", "CFXSO") { setBaseURI(baseURI); setAllowedContract(address(this), true); } modifier extraMintTimeLimit(uint256 _extraMintId){ require(extraMint[_extraMintId].limitTime == 0 || block.timestamp < extraMint[_extraMintId].limitTime, "Time limit"); _; } modifier extraMintRange(uint256 _extraMintId,uint256 _tokenId){ require(_tokenId >= extraMint[_extraMintId].startId && _tokenId <= extraMint[_extraMintId].endId, "Not in range"); _; } function totalSupply() public view returns (uint256) { uint256 total = _foxIdTracker; for(uint256 i; i < extraMint.length; i++){ total = total.add(extraMint[i].trackerId); } return total; } function totalMintFox() public view returns (uint256) { return _foxIdTracker; } function getUnmintedExtraToken(uint256 _extraMintId) public view extraMintTimeLimit(_extraMintId) returns(uint256[] memory) { uint256[] memory result = new uint256[](extraMint[_extraMintId].endId.sub(extraMint[_extraMintId].startId).sub(extraMint[_extraMintId].trackerId).add(1)); uint256 _index = 0; for(uint256 i = extraMint[_extraMintId].startId; i <= extraMint[_extraMintId].endId; i++){ if(!_exists(i)){ result[_index] = i; _index += 1; } } return result; } function mintExtraToken(uint256 _extraMintId, address _to, uint256 _id) public isFoxContract extraMintRange(_extraMintId, _id) extraMintTimeLimit(_extraMintId) { require(extraMint[_extraMintId].trackerId <= extraMint[_extraMintId].endId.sub(extraMint[_extraMintId].startId) && !isPaused(), "Max supply or paused"); extraMint[_extraMintId].trackerId += 1; _safeMint(_to, _id); } function burnExtraToken(uint256 _extraMintId,uint256 _tokenId) public isFoxContract extraMintRange(_extraMintId, _tokenId) { require(extraMint[_extraMintId].isBurnable > 0 && !isPaused() && _tokenId > MAX_ELEMENTS, "Not burnable or paused or > 1000"); require(_isApprovedOrOwner(_msgSender(), _tokenId)); extraMint[_extraMintId].trackerId -= 1; _burn(_tokenId); } function setExtraMintData(ExtraMint memory _extraMint) public isFoxContractOrOwner { extraMint.push(_extraMint); } function editExtraMintData(uint256 _extraMintId, ExtraMint memory _extraMint) public isFoxContractOrOwner { extraMint[_extraMintId] = _extraMint; } function _stack(uint256 _tokenId) private { stackingOrigins[_tokenId] = block.timestamp; } function migrateOrigins(uint256 _tokenId) public virtual{ uint256 total = totalMintFox(); require(total + 1 <= MAX_ELEMENTS && isValidFox(_tokenId), "Max limit or invalid"); uint256 originId = returnCorrectId(_tokenId); _foxIdTracker += 1; _safeMint(_msgSender(), originId); OPENSEA_STORE.safeTransferFrom(_msgSender(), 0x000000000000000000000000000000000000dEaD, _tokenId, 1, ""); _stack(originId); _addRewards(_msgSender(), 30 * 10**18); } function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override(ERC721) { super._beforeTokenTransfer(from, to, tokenId); if (from == address(0)) { _addOwnerOrigins(tokenId, to); } else if (from != to) { _deleteOwnerOrigins(tokenId, from); } if (to == address(0)) { _deleteOwnerOrigins(tokenId, from); } else if (to != from && from != address(0)) { _addOwnerOrigins(tokenId, to); } if(from != address(0) && tokenId <= MAX_ELEMENTS){ uint256[] memory array = new uint256[](1); array[0] = tokenId; _addRewards(from, calculateRewardsOrigins(array, block.timestamp)); _stack(tokenId); } } function _addOwnerOrigins(uint256 _tokenId, address _to) private{ uint256 length = balanceOf(_to); ownerOrigins[_to][length] = _tokenId; ownerOriginsIndex[_tokenId] = length; } function _deleteOwnerOrigins(uint256 _tokenId, address _to) private{ uint256 length = balanceOf(_to); uint256 index = ownerOriginsIndex[_tokenId]; uint256 lastTokenId = ownerOrigins[_to][length - 1]; if(_tokenId != lastTokenId){ ownerOrigins[_to][index] = lastTokenId; ownerOriginsIndex[lastTokenId] = index; } delete ownerOrigins[_to][_tokenId]; } function walletOfOwner(address _owner) external view returns (uint256[] memory) { uint256 length = balanceOf(_owner); uint256[] memory tokenIds = new uint256[](length); for(uint256 i = 0; i < length; i++){ tokenIds[i] = ownerOrigins[_owner][i]; } return tokenIds; } function _baseURI() internal view virtual override returns (string memory) { return baseTokenURI; } function setBaseURI(string memory baseURI) public onlyOwner { baseTokenURI = baseURI; } function isValidFox(uint256 _id) public pure virtual returns (bool) { if (_id >> 96 != 0x0000000000000000000000001b6284B63ad8e0b0E254500869896153A2260D1c) return false; if (_id & 0x000000000000000000000000000000000000000000000000000000ffffffffff != 1) return false; uint256 id = returnCorrectId(_id); if (id < 1 && id > 1000) return false; return true; } function returnCorrectId(uint256 _id) public pure virtual returns (uint256) { _id = (_id & 0x0000000000000000000000000000000000000000ffffffffffffff0000000000) >> 40; if (_id == 200) return _id - 52; if (_id == 205) return _id - 56; if (_id == 214) return _id - 67; if (_id == 80) return _id - 79; if (_id == 232) return _id - 86; if (_id == 244) return _id - 110; if (_id == 245) return _id - 129; if (_id == 247) return _id - 140; if (_id == 246) return _id - 144; if (_id < 250) return _id - 98; if (_id < 400) return _id - 99; if (_id < 570) return _id - 119; if (_id < 771) return _id - 120; if (_id < 840) return _id - 123; if (_id < 1125) return _id - 124; return _id; } function setCalculationContract(address _contract) public isFoxContractOrOwner { calculationContract = ICryptoFoxesCalculationOrigin(_contract); setAllowedContract(_contract, true); } function calculateRewardsOrigins(uint256[] memory _tokenIds, uint256 _currentTimestamp) public view returns (uint256) { return calculationContract.calculationRewards(address(this), _tokenIds, _currentTimestamp); } function claimRewardsOrigins(uint256[] memory _tokenIds) public { require(_tokenIds.length > 0 && !isPaused(), "Tokens empty"); for(uint256 i = 0; i < _tokenIds.length; i++){ require(ownerOf(_tokenIds[i]) == _msgSender(), "Bad owner"); } calculationContract.claimRewards(address(this), _tokenIds, _msgSender()); for(uint256 i = 0; i < _tokenIds.length; i++){ _stack(_tokenIds[i]); } } function getExtraMintCollection() public view returns(uint256) { return extraMint.length; } function getStackingToken(uint256 _tokenId) public override view returns(uint256) { return stackingOrigins[_tokenId]; } function _currentTime(uint256 _currentTimestamp) public override(ICryptoFoxesOrigins, CryptoFoxesUtility) view returns (uint256) { return super._currentTime(_currentTimestamp); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "./ICryptoFoxesSteak.sol"; // @author: miinded.com abstract contract CryptoFoxesAllowed is Ownable { mapping (address => bool) public allowedContracts; modifier isFoxContract() { require(allowedContracts[_msgSender()] == true, "Not allowed"); _; } modifier isFoxContractOrOwner() { require(allowedContracts[_msgSender()] == true || _msgSender() == owner(), "Not allowed"); _; } function setAllowedContract(address _contract, bool _allowed) public onlyOwner { allowedContracts[_contract] = _allowed; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; contract CryptoFoxes is ERC721Enumerable, Ownable { uint public constant MAX_FOXES = 11111; string _baseTokenURI; mapping (uint => address) private _foxesV1Owners; uint[1001] private _foxesV1; bool paused = true; constructor(string memory baseTokenURI) ERC721("CryptoFoxes", "CFXS") { _baseTokenURI = baseTokenURI; } modifier saleIsOpen{ require(totalSupply() < MAX_FOXES, "Sale end"); _; } function isAuthClaim(address _to, uint _foxV1Id) public view returns(bool) { return _foxesV1Owners[_foxV1Id] == _to; } function authClaim(address _to, uint[] memory _foxesV1Id) public onlyOwner{ for(uint i = 0; i < _foxesV1Id.length; i++){ _foxesV1Owners[_foxesV1Id[i]] = _to; } } function claimTicket(address _to, uint[] memory _foxesV1Id) public saleIsOpen { require(!paused, "Pause"); require(totalSupply() < MAX_FOXES, "Sale end"); require(totalSupply() + _foxesV1Id.length <= MAX_FOXES - 1, "Max limit"); for(uint i = 0; i < _foxesV1Id.length; i++){ require(_foxesV1Owners[_foxesV1Id[i]] == _to, "Bad owner"); _safeMint(_to, totalSupply()); _foxesV1[_foxesV1Id[i]] = 1; } } function buyTicket(address _to, uint _count) public payable saleIsOpen { uint nb = 0; if(_msgSender() != owner()){ require(!paused, "Pause"); nb = 1; } require(totalSupply() + _count <= (MAX_FOXES - nb), "Max limit"); require(totalSupply() < MAX_FOXES, "Sale end"); require(_count <= 20, "Exceeds 20"); require(msg.value >= price(_count), "Value below price"); for(uint i = 0; i < _count; i++){ _safeMint(_to, totalSupply()); } } function price(uint _count) public view virtual returns (uint256) { uint _id = totalSupply(); if(_msgSender() == owner()){ if(_id <= 29 || _id == MAX_FOXES - 1){ return 0; } } if (_id <= 299 ){ return 20000000000000000 * _count; // 51-300 : 0.02 ETH } else if (_id <= 599 ){ return 30000000000000000 * _count; // 301-600 : 0.03 ETH } else if (_id <= 1199 ){ return 40000000000000000 * _count; // 601-1200 : 0.04 ETH } else if (_id <= 2399 ){ return 60000000000000000 * _count; // 1201-2400 : 0.06 ETH } else if (_id <= 4799 ){ return 80000000000000000 * _count; // 2401-4800 : 0.08 ETH } else if (_id <= 7199 ){ return 100000000000000000 * _count; // 4801-7200 : 0.10 ETH } else if (_id <= 8999 ){ return 150000000000000000 * _count; // 7201-9000 : 0.15 ETH } else if (_id <= 9999 ){ return 200000000000000000 * _count; // 9001-10000 : 0.20 ETH } else if (_id <= 10899 ){ return 400000000000000000 * _count; // 10001-10900 : 0.40 ETH } else if (_id <= 11109 ){ return 600000000000000000 * _count; // 10901-11110 : 0.60 ETH } return 6000000000000000000; // 0.60 ETH cas impossible } function _baseURI() internal view virtual override returns (string memory) { return _baseTokenURI; } function setBaseURI(string memory baseURI) public onlyOwner { _baseTokenURI = baseURI; } function foxesV1exist(uint foxId) public view returns (bool){ return _foxesV1[foxId] > 0 ; } function walletOfOwner(address _owner) external view returns(uint256[] memory) { uint tokenCount = balanceOf(_owner); uint256[] memory tokensId = new uint256[](tokenCount); for(uint i = 0; i < tokenCount; i++){ tokensId[i] = tokenOfOwnerByIndex(_owner, i); } return tokensId; } function pause(bool val) public onlyOwner { paused = val; } function withdrawAll() public payable onlyOwner { require(payable(_msgSender()).send(address(this).balance)); } }
// 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/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// 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": 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":"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":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardPaid","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":[{"internalType":"uint256","name":"_time","type":"uint256"}],"name":"addEndRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"addRewards","outputs":[],"stateMutability":"nonpayable","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":"","type":"address"}],"name":"allowedContracts","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":"uint256","name":"_time","type":"uint256"}],"name":"burnEndRewards","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":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"burnSteaks","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"dateEndRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","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":"endRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"getRewards","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":[],"name":"isPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_contract","type":"address"},{"internalType":"bool","name":"_allowed","type":"bool"}],"name":"setAllowedContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pause","type":"uint256"}],"name":"setPause","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"},{"inputs":[{"internalType":"address","name":"_to","type":"address"}],"name":"withdrawRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawRewardsFrom","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.