Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
Overview
Max Total Supply
1,192 sDEAD
Holders
396
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 sDEADLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
DHStaking
Compiler Version
v0.8.7+commit.e28d00a7
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.8.7; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; import "@openzeppelin/contracts/utils/Counters.sol"; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "base64-sol/base64.sol"; import "./IShowBiz.sol"; contract DHStaking is ERC721, ERC721URIStorage, ERC721Enumerable, Ownable { using EnumerableSet for EnumerableSet.UintSet; using EnumerableSet for EnumerableSet.AddressSet; using Strings for uint256; using Counters for Counters.Counter; Counters.Counter _tokenIdCounter; IShowBiz _showBiz = IShowBiz(0x136209a516D1C2660F045e70634c9d95D64325F9); struct StakedToken { uint tokenId; uint stakedAt; uint endsAt; uint monthlyRewards; uint months; address owner; } struct PartnerContract { bool active; IERC721 instance; string baseURI; uint[] availablePeriods; uint[] monthlyRewards; } mapping(address => mapping(uint => StakedToken)) public localTokenIdToStakedToken; mapping(address => mapping(address => EnumerableSet.UintSet)) addressToStakedTokensSet; mapping(address => mapping(uint => uint)) public localTokenIdToClaimedRewards; mapping(address => mapping(uint => uint)) public tokenIdToLocalTokenId; mapping(address => PartnerContract) public contracts; mapping(uint => address) public localTokenIdToContract; uint public totalClaimedRewards; EnumerableSet.AddressSet activeContracts; event Stake(uint tokenId, address contractAddress, uint contractTokenId, address owner, uint endsAt); event Unstake(uint tokenId, address contractAddress, uint contractTokenId, address owner); event ClaimTokenRewards(uint tokenId, address owner, uint rewards); constructor() ERC721("Staked DeadHeads", "sDEAD") { } function onERC721Received(address operator, address, uint256, bytes calldata) external returns(bytes4) { require(operator == address(this), "token must be staked over stake method"); return bytes4(keccak256("onERC721Received(address,address,uint256,bytes)")); } function stake(address contractAddress, uint tokenId, uint months) public { PartnerContract storage _contract = contracts[contractAddress]; require(_contract.active, "token contract is not active"); require(months >= 1, "invalid minimum period"); uint endsAt = block.timestamp + months * 28 days; uint monthlyRewards = 0; for (uint i = 0; i < _contract.availablePeriods.length; i++) { if (_contract.availablePeriods[i] == months) { monthlyRewards = _contract.monthlyRewards[i]; } } require(monthlyRewards != 0, "invalid stake period"); localTokenIdToStakedToken[contractAddress][_tokenIdCounter.current()] = StakedToken({ tokenId: tokenId, stakedAt: block.timestamp, endsAt: endsAt, monthlyRewards: monthlyRewards, months: months, owner: msg.sender }); localTokenIdToClaimedRewards[contractAddress][tokenId] = 0; _contract.instance.safeTransferFrom(msg.sender, address(this), tokenId); addressToStakedTokensSet[contractAddress][msg.sender].add(tokenId); tokenIdToLocalTokenId[contractAddress][tokenId] = _tokenIdCounter.current(); _mint(msg.sender, _tokenIdCounter.current()); localTokenIdToContract[_tokenIdCounter.current()] = contractAddress; emit Stake(_tokenIdCounter.current(), contractAddress, tokenId, msg.sender, endsAt); _tokenIdCounter.increment(); } function stakeBatch(address contractAddress, uint[] calldata tokenIds, uint months) external { for (uint i = 0; i < tokenIds.length; i++) { stake(contractAddress, tokenIds[i], months); } } function unclaimedRewards(uint localTokenId) public view returns (uint) { address tokenContract = localTokenIdToContract[localTokenId]; StakedToken storage stakedToken = localTokenIdToStakedToken[tokenContract][localTokenId]; require(stakedToken.owner != address(0), "cannot query an unstaked token"); uint rewardLimit = (stakedToken.endsAt - stakedToken.stakedAt) / 7 days; uint rewardsUntilNow = (block.timestamp - stakedToken.stakedAt) / 7 days; return (rewardsUntilNow > rewardLimit ? rewardLimit : rewardsUntilNow) * stakedToken.monthlyRewards / 4 - localTokenIdToClaimedRewards[tokenContract][localTokenId]; } function claimTokenRewards(uint localTokenId) public { address tokenContract = localTokenIdToContract[localTokenId]; StakedToken storage stakedToken = localTokenIdToStakedToken[tokenContract][localTokenId]; require(stakedToken.owner == msg.sender, "caller did not stake this token"); uint _unclaimedRewards = unclaimedRewards(localTokenId); if (_unclaimedRewards > 0) { _showBiz.mint(msg.sender, _unclaimedRewards); localTokenIdToClaimedRewards[tokenContract][localTokenId] += _unclaimedRewards; totalClaimedRewards += _unclaimedRewards; emit ClaimTokenRewards(localTokenId, msg.sender, _unclaimedRewards); } } function claimContractRewards(address contractAddress) public { EnumerableSet.UintSet storage stakedTokens = addressToStakedTokensSet[contractAddress][msg.sender]; uint totalStakedTokens = stakedTokens.length(); require(totalStakedTokens > 0, "caller does not have any staked token"); for (uint i = 0; i < totalStakedTokens; i++) { claimTokenRewards(tokenIdToLocalTokenId[contractAddress][stakedTokens.at(i)]); } } function claimRewards() public { for (uint i = 0; i < activeContracts.length(); i++) { claimContractRewards(activeContracts.at(i)); } } function unstake(uint localTokenId) public { require(_exists(localTokenId), "query for non existent token"); address tokenContract = localTokenIdToContract[localTokenId]; PartnerContract storage _contract = contracts[tokenContract]; StakedToken storage stakedToken = localTokenIdToStakedToken[tokenContract][localTokenId]; require(stakedToken.owner == msg.sender, "caller not owns this token"); require(block.timestamp > stakedToken.endsAt, "staked period did not finish yet"); claimTokenRewards(localTokenId); _contract.instance.safeTransferFrom(address(this), msg.sender, stakedToken.tokenId); addressToStakedTokensSet[tokenContract][msg.sender].remove(stakedToken.tokenId); _burn(localTokenId); emit Unstake(localTokenId, tokenContract, stakedToken.tokenId, msg.sender); delete localTokenIdToStakedToken[tokenContract][localTokenId]; } function unstakeBatch(uint[] calldata tokenIds) external { for (uint i = 0; i < tokenIds.length; i++) { unstake(tokenIds[i]); } } function _burn(uint256 tokenId) internal override(ERC721, ERC721URIStorage) { super._burn(tokenId); } function tokenURI(uint256 localTokenId) public view override(ERC721, ERC721URIStorage) returns (string memory) { require(_exists(localTokenId), "query for non existent token"); address tokenContract = localTokenIdToContract[localTokenId]; PartnerContract storage _contract = contracts[tokenContract]; StakedToken storage token = localTokenIdToStakedToken[tokenContract][localTokenId]; return string(abi.encodePacked(_contract.baseURI, token.tokenId.toString(), '?sa=', token.stakedAt.toString(), '&ra=', token.endsAt.toString())); } function addContract(address contractAddress, string memory baseURI, uint[] memory availablePeriods, uint[] memory monthlyRewards) public onlyOwner { contracts[contractAddress] = PartnerContract( true, IERC721(contractAddress), baseURI, availablePeriods, monthlyRewards ); activeContracts.add(contractAddress); } function updateContract(address contractAddress, bool active, uint[] memory availablePeriods, uint[] memory monthlyRewards) public onlyOwner { require(activeContracts.contains(contractAddress), "contract not added"); contracts[contractAddress].active = active; contracts[contractAddress].availablePeriods = availablePeriods; contracts[contractAddress].monthlyRewards = monthlyRewards; } function setBaseURI(address contractAddress, string memory baseURI) public onlyOwner { contracts[contractAddress].baseURI = baseURI; } function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal override(ERC721, ERC721Enumerable) { require(to == address(0) || from == address(0)); super._beforeTokenTransfer(from, to, tokenId); } function approve(address, uint256) public virtual override { revert(); } function setApprovalForAll(address, bool) public virtual override { revert(); } function supportsInterface(bytes4 interfaceId) public view override(ERC721, ERC721Enumerable) returns (bool) { return super.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.2; interface IShowBiz { function mint(address to, uint256 amount) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0; /// @title Base64 /// @author Brecht Devos - <[email protected]> /// @notice Provides functions for encoding/decoding base64 library Base64 { string internal constant TABLE_ENCODE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; bytes internal constant TABLE_DECODE = hex"0000000000000000000000000000000000000000000000000000000000000000" hex"00000000000000000000003e0000003f3435363738393a3b3c3d000000000000" hex"00000102030405060708090a0b0c0d0e0f101112131415161718190000000000" hex"001a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132330000000000"; function encode(bytes memory data) internal pure returns (string memory) { if (data.length == 0) return ''; // load the table into memory string memory table = TABLE_ENCODE; // multiply by 4/3 rounded up uint256 encodedLen = 4 * ((data.length + 2) / 3); // add some extra buffer at the end required for the writing string memory result = new string(encodedLen + 32); assembly { // set the actual output length mstore(result, encodedLen) // prepare the lookup table let tablePtr := add(table, 1) // input ptr let dataPtr := data let endPtr := add(dataPtr, mload(data)) // result ptr, jump over length let resultPtr := add(result, 32) // run over the input, 3 bytes at a time for {} lt(dataPtr, endPtr) {} { // read 3 bytes dataPtr := add(dataPtr, 3) let input := mload(dataPtr) // write 4 characters mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and(shr( 6, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and( input, 0x3F)))) resultPtr := add(resultPtr, 1) } // padding with '=' switch mod(mload(data), 3) case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) } case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) } } return result; } function decode(string memory _data) internal pure returns (bytes memory) { bytes memory data = bytes(_data); if (data.length == 0) return new bytes(0); require(data.length % 4 == 0, "invalid base64 decoder input"); // load the table into memory bytes memory table = TABLE_DECODE; // every 4 characters represent 3 bytes uint256 decodedLen = (data.length / 4) * 3; // add some extra buffer at the end required for the writing bytes memory result = new bytes(decodedLen + 32); assembly { // padding with '=' let lastBytes := mload(add(data, mload(data))) if eq(and(lastBytes, 0xFF), 0x3d) { decodedLen := sub(decodedLen, 1) if eq(and(lastBytes, 0xFFFF), 0x3d3d) { decodedLen := sub(decodedLen, 1) } } // set the actual output length mstore(result, decodedLen) // prepare the lookup table let tablePtr := add(table, 1) // input ptr let dataPtr := data let endPtr := add(dataPtr, mload(data)) // result ptr, jump over length let resultPtr := add(result, 32) // run over the input, 4 characters at a time for {} lt(dataPtr, endPtr) {} { // read 4 characters dataPtr := add(dataPtr, 4) let input := mload(dataPtr) // write 3 bytes let output := add( add( shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)), shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))), add( shl( 6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)), and(mload(add(tablePtr, and( input , 0xFF))), 0xFF) ) ) mstore(resultPtr, shl(232, output)) resultPtr := add(resultPtr, 3) } } return result; } }
// 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 Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` */ library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } }
// 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; import "../ERC721.sol"; /** * @dev ERC721 token with storage based token URI management. */ abstract contract ERC721URIStorage is ERC721 { using Strings for uint256; // Optional mapping for token URIs mapping(uint256 => string) private _tokenURIs; /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token"); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = _baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked). if (bytes(_tokenURI).length > 0) { return string(abi.encodePacked(base, _tokenURI)); } return super.tokenURI(tokenId); } /** * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token"); _tokenURIs[tokenId] = _tokenURI; } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } } }
// 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 "../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); } }
// 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 "./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 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; /** * @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; /** * @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); }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"rewards","type":"uint256"}],"name":"ClaimTokenRewards","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":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"contractAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"contractTokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"endsAt","type":"uint256"}],"name":"Stake","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"contractAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"contractTokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"owner","type":"address"}],"name":"Unstake","type":"event"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"},{"internalType":"string","name":"baseURI","type":"string"},{"internalType":"uint256[]","name":"availablePeriods","type":"uint256[]"},{"internalType":"uint256[]","name":"monthlyRewards","type":"uint256[]"}],"name":"addContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"}],"name":"claimContractRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"localTokenId","type":"uint256"}],"name":"claimTokenRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"contracts","outputs":[{"internalType":"bool","name":"active","type":"bool"},{"internalType":"contract IERC721","name":"instance","type":"address"},{"internalType":"string","name":"baseURI","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"localTokenIdToClaimedRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"localTokenIdToContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"localTokenIdToStakedToken","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"stakedAt","type":"uint256"},{"internalType":"uint256","name":"endsAt","type":"uint256"},{"internalType":"uint256","name":"monthlyRewards","type":"uint256"},{"internalType":"uint256","name":"months","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"bool","name":"","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"},{"internalType":"string","name":"baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"months","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256","name":"months","type":"uint256"}],"name":"stakeBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenIdToLocalTokenId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"localTokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalClaimedRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"localTokenId","type":"uint256"}],"name":"unclaimedRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"localTokenId","type":"uint256"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"unstakeBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"},{"internalType":"bool","name":"active","type":"bool"},{"internalType":"uint256[]","name":"availablePeriods","type":"uint256[]"},{"internalType":"uint256[]","name":"monthlyRewards","type":"uint256[]"}],"name":"updateContract","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.