| { | |
| "language": "Solidity", | |
| "sources": { | |
| "wanderingplanetstake.sol": { | |
| "content": "// SPDX-License-Identifier: MIT\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\nimport \"@openzeppelin/contracts/security/ReentrancyGuard.sol\";\n\n\npragma solidity ^0.8.7;\n\ninterface WPInterFace {\n function ownerOf(uint256 tokenId) external view returns (address owner);\n function safeTransferFrom( \n address from,\n address to,\n uint256 tokenId\n ) external;\n function totalMinted() external view returns (uint256);\n function balanceOf(address owner) external view returns (uint256 balance);\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n\ncontract WanderingPlanetStake is Ownable, ReentrancyGuard { \n event Staked(address indexed owner, uint256 tokenID);\n event Reclaimed(address indexed owner, uint256 tokenID);\n event StakeInterrupted(uint256 indexed tokenId);\n event Withdraw(address indexed account, uint256 amount);\n event stakeTimeConfigChanged(Period config_);\n \n // Interface for Wandering Planet Contract\n WPInterFace WP_Contract; \n\n struct Stake_Info{\n bool staked;\n address previous_owner;\n uint256 stake_time;\n }\n\n struct Period {\n uint256 startTime;\n uint256 endTime;\n }\n\n\n // Stake Data Sturcture\n mapping(uint256 => Stake_Info) public planetStakeInfo;\n // Mapping from owner to the list of staked token IDs(only for querying)\n mapping(address => uint256[]) private addressStakeList;\n // Mapping from token ID to index of the owner tokens list(support to operate the addressStakeList)\n mapping(uint256 => uint256) private addressStakeIndex;\n // List for all the tokens staked\n uint256 [] private allStakeList;\n // support to operate the allStake list\n mapping(uint256 => uint256) private allStakeIndex;\n\n Period public stakeTime;\n address public wandering_planet_address;\n uint256 public rewardPeriod = 1000;\n\n\n constructor(address wandering_planet_address_, Period memory stake_time_) {\n require(wandering_planet_address_ != address(0), \"invalid contract address\");\n wandering_planet_address = wandering_planet_address_;\n stakeTime = stake_time_;\n WP_Contract = WPInterFace(wandering_planet_address);\n }\n \n /***********************************|\n | Core |\n |__________________________________*/\n \n /**\n * @dev Pubilc function for owners to reclaim their plantes\n * @param tokenID uint256 ID list of the token to be reclaim\n */\n function reclaimPlanets(uint256 [] memory tokenID) external callerIsUser nonReentrant{\n for(uint256 i = 0; i < tokenID.length; i++){\n _reclaim(tokenID[i]);\n }\n }\n\n /**\n * @dev Private function to stake one planet and update the state variabies\n * The function will be called when users transfer their tokens via 'safeTransferFrom'\n * @param tokenID uint256 ID of the token to be staked\n */\n function _stake(address owner, uint256 tokenID) internal{\n require(isStakeEnabled(), \"stake not enabled\");\n Stake_Info storage status = planetStakeInfo[tokenID];\n require(status.staked == false, \"token is staking\");\n status.staked = true;\n status.previous_owner = owner;\n status.stake_time = block.number;\n addEnumeration(owner, tokenID);\n addAllEnmeration(tokenID);\n emit Staked(owner, tokenID);\n }\n\n /**\n * @dev Private function to reclaim one planet and update the state variabies\n * @param tokenID uint256 ID of the token to be reclaimed\n */\n function _reclaim(uint256 tokenID) internal{\n require(isStakeEnabled(), \"stake not enabled\");\n Stake_Info storage status = planetStakeInfo[tokenID];\n require(status.staked == true, \"the planet is freedom\");\n require(status.previous_owner == msg.sender, \"you are not the owner\");\n WP_Contract.safeTransferFrom(address(this), msg.sender, tokenID);\n status.staked = false;\n status.previous_owner = address(0);\n status.stake_time = 0;\n removeEnumeration(msg.sender, tokenID);\n removeAllEnmeration(tokenID);\n emit Reclaimed(msg.sender, tokenID);\n }\n\n /**\n * @dev Public function to batach stake this planets\n * Approval for all the WP balances is needed\n * @param tokenIDs list of the tokens to be reclaimed\n */\n function batchStake(uint256 [] memory tokenIDs) external callerIsUser nonReentrant(){\n require(WP_Contract.isApprovedForAll(msg.sender, address(this)), \"no authority\");\n if (tokenIDs.length == 0){\n tokenIDs = getOwnedPlanets(msg.sender);\n }\n for(uint256 i = 0; i < tokenIDs.length; i++){\n require(WP_Contract.ownerOf(tokenIDs[i]) == msg.sender, \"not the owner\");\n WP_Contract.safeTransferFrom(msg.sender, address(this), tokenIDs[i]);\n }\n }\n\n /**\n * @dev Private function to add a token to this extension's token tracking data structures.\n * @param address_ representing the owner of the given token ID\n * @param tokenID uint256 ID of the token to be added to the tokens list\n */\n function addEnumeration(address address_, uint256 tokenID) internal {\n addressStakeIndex[tokenID] = addressStakeList[address_].length;\n addressStakeList[address_].push(tokenID);\n }\n\n /**\n * @dev Private function to remove a token from this extension's ownership-tracking data structures.\n * @param address_ representing the previous owner of the given token ID\n * @param tokenID uint256 ID of the token to be removed from the tokens list of the given address\n */\n function removeEnumeration(address address_, uint256 tokenID) internal {\n\n require(addressStakeList[address_].length > 0, \"No token staked by this address\");\n uint256 lastTokenIndex = addressStakeList[address_].length - 1;\n uint256 tokenIndex = addressStakeIndex[tokenID];\n\n if (tokenIndex != lastTokenIndex) {\n uint256 lastTokenId = addressStakeList[address_][lastTokenIndex];\n\n addressStakeList[address_][tokenIndex] = lastTokenId;\n addressStakeIndex[lastTokenId] = tokenIndex; \n }\n addressStakeList[address_].pop();\n }\n\n /*\n * @dev Private function to add a token to this extension's token tracking data structures.\n * @param tokenID uint256 ID of the token to be added to the tokens list\n */\n function addAllEnmeration(uint256 tokenID) internal {\n allStakeIndex[tokenID] = allStakeList.length;\n allStakeList.push(tokenID);\n }\n\n /**\n * @dev Private function to remove a token from this extension's ownership-tracking data structures.\n * @param tokenID uint256 ID of the token to be removed from the tokens list of the given address\n */\n function removeAllEnmeration(uint256 tokenID) internal {\n require(allStakeList.length > 0, \"No token staked\");\n uint256 lastTokenIndex = allStakeList.length - 1;\n uint256 tokenIndex = allStakeIndex[tokenID];\n\n if (tokenIndex != lastTokenIndex) {\n uint256 lastTokenId = allStakeList[lastTokenIndex];\n\n allStakeList[tokenIndex] = lastTokenId;\n allStakeIndex[lastTokenId] = tokenIndex; \n }\n allStakeList.pop();\n }\n\n\n /***********************************|\n | State |\n |__________________________________*/\n\n function isStakeEnabled() public view returns (bool){\n if (stakeTime.endTime > 0 && block.timestamp > stakeTime.endTime) {\n return false;\n }\n return stakeTime.startTime > 0 && \n block.timestamp > stakeTime.startTime;\n }\n \n function getOwnedPlanets(address address_) public view returns (uint256 [] memory){\n uint256 max_tokenID = WP_Contract.totalMinted();\n uint256 balance = WP_Contract.balanceOf(address_);\n uint256 cnt = 0;\n uint256 [] memory ownedtokens = new uint256 [](balance);\n for(uint256 i = 0; i < max_tokenID; i++){\n if(WP_Contract.ownerOf(i) == address_){\n ownedtokens[cnt++] = i;\n }\n }\n return ownedtokens;\n }\n\n /**\n * @dev Public function to get the staked tokens of the given address\n * @param address_ representing owner address\n */\n function getStakeList(address address_) public view returns (uint256 [] memory){\n return addressStakeList[address_];\n }\n\n /**\n * @dev Public function to get all the stake list\n */\n function getAllStakeList() public view returns (uint256 [] memory){\n return allStakeList;\n }\n\n /**\n * @dev Public function to get all the staked tokens which satisify the condition of stake time\n */\n function getValidStakes() public view returns (uint256 [] memory, bool [] memory){\n uint256 stake_count = allStakeList.length;\n bool [] memory isvalidstake = new bool [](stake_count);\n for(uint256 i = 0; i < stake_count; i++){\n uint256 tokenID = allStakeList[i];\n Stake_Info memory status = planetStakeInfo[tokenID];\n if(status.staked && block.number - status.stake_time >= rewardPeriod){\n isvalidstake[i] = true;\n }\n else{\n isvalidstake[i] = false;\n }\n }\n return (allStakeList, isvalidstake);\n }\n\n function getStakeInfo(uint256 tokenID) public view returns (Stake_Info memory){\n return planetStakeInfo[tokenID];\n }\n\n\n\n /***********************************|\n | Owner |\n |__________________________________*/\n /**\n * @dev Owner function to write adward list\n */\n function setRewardPeriod(uint256 rewardPeriod_) external onlyOwner{\n require(rewardPeriod_ > 0, \"invalid parameter\");\n rewardPeriod = rewardPeriod_;\n }\n\n function setStakeTime(Period calldata config_) external onlyOwner {\n stakeTime = config_;\n emit stakeTimeConfigChanged(config_);\n }\n\n /**\n * This method is used to prevent some users from mistakenly using transferFrom (instead of safeTransferFrom) to transfer NFT into the contract.\n * @param tokenIds_ the tokenId list\n * @param accounts_ the address list\n */\n function transferUnstakingTokens(uint256[] calldata tokenIds_, address[] calldata accounts_) external onlyOwner {\n require(tokenIds_.length == accounts_.length, \"tokenIds_ and accounts_ length mismatch\");\n require(tokenIds_.length > 0, \"no tokenId\");\n for (uint256 i = 0; i < tokenIds_.length; i++) {\n uint256 tokenId = tokenIds_[i];\n address account = accounts_[i];\n require(planetStakeInfo[tokenId].stake_time == 0, \"token is staking\");\n WP_Contract.safeTransferFrom(address(this), account, tokenId);\n }\n }\n\n function stopStake(uint256[] calldata tokenIds_) external onlyOwner {\n for (uint256 i; i < tokenIds_.length; i++) {\n uint256 tokenId = tokenIds_[i];\n _reclaim(tokenId);\n emit StakeInterrupted(tokenId);\n }\n }\n\n\n function withdraw() external onlyOwner nonReentrant {\n uint256 balance = address(this).balance;\n payable(_msgSender()).transfer(balance);\n emit Withdraw(_msgSender(), balance);\n }\n\n /***********************************|\n | Modifier |\n |__________________________________*/\n modifier callerIsUser() {\n require(tx.origin == _msgSender(), \"caller is another contract\");\n _;\n }\n\n /***********************************|\n | Hook |\n |__________________________________*/\n function onERC721Received(\n address,\n address _from,\n uint256 _tokenId,\n bytes memory\n ) public returns (bytes4) {\n require(msg.sender == wandering_planet_address, \"only for WP\");\n _stake(_from, _tokenId);\n return this.onERC721Received.selector;\n }\n}" | |
| }, | |
| "@openzeppelin/contracts/security/ReentrancyGuard.sol": { | |
| "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuard {\n // Booleans are more expensive than uint256 or any type that takes up a full\n // word because each write operation emits an extra SLOAD to first read the\n // slot's contents, replace the bits taken up by the boolean, and then write\n // back. This is the compiler's defense against contract upgrades and\n // pointer aliasing, and it cannot be disabled.\n\n // The values being non-zero value makes deployment a bit more expensive,\n // but in exchange the refund on every call to nonReentrant will be lower in\n // amount. Since refunds are capped to a percentage of the total\n // transaction's gas, it is best to keep them low in cases like this one, to\n // increase the likelihood of the full refund coming into effect.\n uint256 private constant _NOT_ENTERED = 1;\n uint256 private constant _ENTERED = 2;\n\n uint256 private _status;\n\n constructor() {\n _status = _NOT_ENTERED;\n }\n\n /**\n * @dev Prevents a contract from calling itself, directly or indirectly.\n * Calling a `nonReentrant` function from another `nonReentrant`\n * function is not supported. It is possible to prevent this from happening\n * by making the `nonReentrant` function external, and making it call a\n * `private` function that does the actual work.\n */\n modifier nonReentrant() {\n // On the first call to nonReentrant, _notEntered will be true\n require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n // Any calls to nonReentrant after this point will fail\n _status = _ENTERED;\n\n _;\n\n // By storing the original value once again, a refund is triggered (see\n // https://eips.ethereum.org/EIPS/eip-2200)\n _status = _NOT_ENTERED;\n }\n}\n" | |
| }, | |
| "@openzeppelin/contracts/access/Ownable.sol": { | |
| "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n" | |
| }, | |
| "@openzeppelin/contracts/utils/Context.sol": { | |
| "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n" | |
| } | |
| }, | |
| "settings": { | |
| "optimizer": { | |
| "enabled": true, | |
| "runs": 200 | |
| }, | |
| "outputSelection": { | |
| "*": { | |
| "*": [ | |
| "evm.bytecode", | |
| "evm.deployedBytecode", | |
| "abi" | |
| ] | |
| } | |
| } | |
| } | |
| } |