Address Contract Verified
Address
0xA6312bE2C3F51f512c260060d5F1162CFc8bbc45
Balance
0 ETH
Nonce
1
Code Size
11958 bytes
Creator
0x278bE75B...69B8 at tx 0x3514232c...ecba0f
Indexed Transactions
0
Contract Bytecode
11958 bytes
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Verified Source Code Full Match
Compiler: v0.8.7+commit.e28d00a7
EVM: london
Optimization: No
Hibernation.sol 168 lines
// SPDX-License-Identifier: MIT LICENSE
pragma solidity ^0.8.7;
// Author: @gizmolab_
// Audited by @ViperwareLabs
import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/access/Ownable.sol';
contract NFTStaking is Ownable {
address[] public VaultContracts;
address public caveAddress = 0x6058224af88C344c919325720a7784c69202B815;
struct Stake {
address owner; // 32bits
uint128 timestamp; // 32bits
}
bool public stakingEnabled = false;
uint256 public totalStaked;
mapping(address => mapping(uint256 => Stake)) public vault;
mapping(address => mapping(address => uint256[])) public userStakeTokens;
mapping(address => uint256[]) public userStakeCaves;
event NFTStaked(address owner, address tokenAddress, uint256 tokenId, uint256 value);
event NFTUnstaked(address owner, address tokenAddress, uint256 tokenId, uint256 value);
event Claimed(address owner);
function setCaveAddress(address _contract) public onlyOwner {
caveAddress = _contract;
}
function addVault(address _contract) public onlyOwner {
VaultContracts.push(_contract);
}
function stakeNfts(uint256 _pid, uint256[] calldata tokenIds) external {
require(stakingEnabled == true, "Staking is not enabled yet.");
require(userStakeCaves[msg.sender].length > 0, "You cannot stake without having a Cave staked.");
IERC721 nftContract = IERC721(VaultContracts[_pid]);
for (uint i; i < tokenIds.length; i++) {
require(nftContract.ownerOf(tokenIds[i]) == msg.sender, "You do not own this token");
nftContract.transferFrom(msg.sender, address(this), tokenIds[i]);
vault[VaultContracts[_pid]][tokenIds[i]] = Stake({owner: msg.sender, timestamp: uint128(block.timestamp)});
userStakeTokens[msg.sender][VaultContracts[_pid]].push(tokenIds[i]);
emit NFTStaked(msg.sender, VaultContracts[_pid], tokenIds[i], block.timestamp);
totalStaked++;
}
}
function stakeCave(uint256[] memory tokenIds) external {
require(stakingEnabled == true, "Staking is not enabled yet.");
IERC721 Cave = IERC721(caveAddress);
for (uint i; i < tokenIds.length; i++) {
Cave.transferFrom(msg.sender, address(this), tokenIds[i]);
userStakeCaves[msg.sender].push(tokenIds[i]);
}
}
function unstakeNfts(uint256 _pid, uint256[] calldata tokenIds) external {
IERC721 nftContract = IERC721(VaultContracts[_pid]);
for (uint i; i < tokenIds.length; i++) {
// Replaced this function with: require(isTokenOwner == true, "You do not own this Token");
// require(vault[VaultContracts[_pid]][tokenIds[i]].owner == msg.sender, "You do not own this NFT");
bool isTokenOwner = false;
uint tokenIndex = 0;
for (uint j = 0; j < userStakeTokens[msg.sender][VaultContracts[_pid]].length; j++) {
if (tokenIds[i] == userStakeTokens[msg.sender][VaultContracts[_pid]][j]) {
isTokenOwner = true;
tokenIndex = j;
break;
}
}
require(isTokenOwner == true, "You do not own this Token");
nftContract.transferFrom(address(this), msg.sender, tokenIds[i]);
delete vault[VaultContracts[_pid]][tokenIds[i]];
totalStaked--;
//delete userStakeTokens[msg.sender][VaultContracts[_pid]][tokenIndex];
userStakeTokens[msg.sender][VaultContracts[_pid]][tokenIndex] = userStakeTokens[msg.sender][VaultContracts[_pid]][userStakeTokens[msg.sender][VaultContracts[_pid]].length - 1];
userStakeTokens[msg.sender][VaultContracts[_pid]].pop();
emit NFTUnstaked(msg.sender, VaultContracts[_pid], tokenIds[i], block.timestamp);
}
}
function unstakeCave(uint256[] memory tokenIds) external {
require(stakingEnabled == true, "Staking is not enabled yet.");
require(getUserStaked(msg.sender) == 0, "You cannot unstake your Cave until you unstake all your NFTs");
IERC721 Cave = IERC721(caveAddress);
for (uint i; i < tokenIds.length; i++) {
bool isCaveOwner = false;
uint caveIndex = 0;
for (uint j = 0; j < userStakeCaves[msg.sender].length; j++) {
if (tokenIds[i] == userStakeCaves[msg.sender][j]) {
isCaveOwner = true;
caveIndex = j;
break;
}
}
require(isCaveOwner == true, "You do not own this Cave");
Cave.transferFrom(address(this), msg.sender, tokenIds[i]);
//delete userStakeCaves[msg.sender][caveIndex];
userStakeCaves[msg.sender][caveIndex] = userStakeCaves[msg.sender][userStakeCaves[msg.sender].length - 1];
userStakeCaves[msg.sender].pop();
}
}
function setStakingEnabled(bool _enabled) external onlyOwner {
stakingEnabled = _enabled;
}
function getStakedCaves(address _user) external view returns (uint256[] memory) {
return userStakeCaves[_user];
}
function getStakedTokens(address _user, address _contract) external view returns (uint256[] memory) {
return userStakeTokens[_user][_contract];
}
function getVaultContracts() external view returns (address[] memory) {
return VaultContracts;
}
function getStake(address _contract, uint256 _tokenId) external view returns (Stake memory) {
return vault[_contract][_tokenId];
}
// get the total staked NFTs
function getTotalStaked() external view returns (uint256) {
return totalStaked;
}
function getUserStaked(address _user) public view returns (uint256) {
uint256 total;
for (uint i; i < VaultContracts.length; i++) {
total += userStakeTokens[_user][VaultContracts[i]].length;
}
return total;
}
}
Ownable.sol 83 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
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() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
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 {
_transferOwnership(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");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
IERC721.sol 143 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: 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 Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
}
IERC165.sol 25 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
Context.sol 24 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
Read Contract
VaultContracts 0x02f34665 → address
caveAddress 0xd0964b5c → address
getStake 0xcfd47663 → tuple
getStakedCaves 0x879eb00f → uint256[]
getStakedTokens 0xfd9d142a → uint256[]
getTotalStaked 0x0917e776 → uint256
getUserStaked 0xdac3fc3f → uint256
getVaultContracts 0x18691a84 → address[]
owner 0x8da5cb5b → address
stakingEnabled 0x1cfff51b → bool
totalStaked 0x817b1cd2 → uint256
userStakeCaves 0xfdfb063d → uint256
userStakeTokens 0xfe3d1354 → uint256
vault 0x3fa16d99 → address, uint128
Write Contract 9 functions
These functions modify contract state and require a wallet transaction to execute.
addVault 0x256b5a02
address _contract
renounceOwnership 0x715018a6
No parameters
setCaveAddress 0x5795b1ff
address _contract
setStakingEnabled 0xbce8567e
bool _enabled
stakeCave 0xdaca2698
uint256[] tokenIds
stakeNfts 0xf1f15a32
uint256 _pid
uint256[] tokenIds
transferOwnership 0xf2fde38b
address newOwner
unstakeCave 0x76228d24
uint256[] tokenIds
unstakeNfts 0x67d4badd
uint256 _pid
uint256[] tokenIds
Recent Transactions
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