Address Contract Verified
Address
0x306be8202a555a58ffDBbC371b4811D2Af946A7D
Balance
0 ETH
Nonce
1
Code Size
9207 bytes
Creator
0x084163a6...D667 at tx 0xd42ed93b...7b6055
Indexed Transactions
0
Contract Bytecode
9207 bytes
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Verified Source Code Full Match
Compiler: v0.8.24+commit.e11b9ed9
EVM: shanghai
Optimization: Yes (200 runs)
New_Avanta_NFT_Staking.sol 576 lines
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IERC721 {
function balanceOf(address owner) external view returns (uint256);
function ownerOf(uint256 tokenId) external view returns (address);
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
function approve(address to, uint256 tokenId) external;
function getApproved(uint256 tokenId) external view returns (address);
function setApprovalForAll(address operator, bool _approved) external;
function isApprovedForAll(address owner, address operator)
external
view
returns (bool);
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount)
external
returns (bool);
function allowance(address owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
}
abstract contract Pausable is Context {
bool private _paused;
constructor() {
_paused = false;
}
function paused() public view virtual returns (bool) {
return _paused;
}
modifier whenNotPaused() {
require(!_paused, "Pausable: paused");
_;
}
function _pause() internal virtual {
_paused = true;
}
function _unpause() internal virtual {
_paused = false;
}
}
contract Ownable is Context {
address private _owner;
constructor() {
_owner = 0x0ceE8381e39f19a72B5091C81A053Fdf01099852;
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
_owner = newOwner;
}
}
contract NFTStaking is Ownable, Pausable {
IERC20 public Token;
IERC721 public NFT_LEVEL1;
IERC721 public NFT_LEVEL2;
IERC721 public NFT_LEVEL3;
// Address where tax fees are sent
address public taxReceiver;
// Deduction percentage (e.g., 2500 = 25.00%)
uint256 public deductionPercentage = 2500;
// Minimum amount required for staking (1 ether = 10^18 wei)
uint256 public minStaking = 1 ether;
// Maximum amount allowed for staking (60,000 ether = 60,000 * 10^18 wei)
uint256 public maxStaking = 60_000 ether;
// Total number of stakers
uint256 public totalStakers;
// Total amount of tokens staked
uint256 public totalStaked;
// Total number of NFTs staked
uint256 public totalNFTStaked;
// Mapping for spam addresses
mapping(address => bool) public isSpam;
// Mapping for new stakers
mapping(address => bool) public newStakers;
// Boost percentages for NFTs (e.g., 500 = 5.00%)
mapping(address => uint256) public nftBoosts;
mapping(uint256 => uint256) public APR_PERCENTAGE;
mapping(uint256 => uint256) public TIME_STEP;
mapping(address => mapping(uint256 => UserInfo[])) private Users;
struct UserInfo {
uint256 planDuration;
uint256 amount;
uint256 NFTids;
uint256 startTime;
uint256 endTime;
uint256 withdrawn;
address NFT;
string userNFTIDsLevel;
bool hasHarvested;
}
event Deposit(
address indexed to,
address indexed from,
uint256 amount,
uint256 day,
uint256 time
);
event Harvest(
address indexed user,
uint256 NFT,
uint256 harvestedAmount,
uint256 totalDeduction,
uint256 planDuration
);
constructor() {
Token = IERC20(0x7Fd4Abc178a66E26711658763654A041940C75A9);
NFT_LEVEL1 = IERC721(0x1Ed1df0dca15A7D26CCc1E80984719ea71De7cE4);
NFT_LEVEL2 = IERC721(0x012B42fb9Bb510a049f66dec225D4a2466AFcae6);
NFT_LEVEL3 = IERC721(0x8761Ca4aEdc30c4de6E56141161eb0874640925E);
taxReceiver = owner();
// Set NFT boost percentages for each level of NFTs
nftBoosts[address(NFT_LEVEL1)] = 5_00; // Boost 5% for level 1 NFTs
nftBoosts[address(NFT_LEVEL2)] = 10_00; // Boost 10% for level 2 NFTs
nftBoosts[address(NFT_LEVEL3)] = 15_00; // Boost 15% for level 3 NFTs
// Set APR (Annual Percentage Rate) values for different plan durations
APR_PERCENTAGE[14] = 100_41; // 14-day lock: = 0.41%
APR_PERCENTAGE[30] = 101_66; // 30-day lock: = 1.66%
APR_PERCENTAGE[60] = 105_00; // 60-day lock: = 5 %
APR_PERCENTAGE[90] = 112_50; // 90-day lock: = 12.5%
// Set time steps for dividend calculations for each plan duration
TIME_STEP[14] = 14 days; // Time step for 14-day plan
TIME_STEP[30] = 30 days; // Time step for 30-day plan
TIME_STEP[60] = 60 days; // Time step for 60-day plan
TIME_STEP[90] = 90 days; // Time step for 90-day plan
}
function farm(
uint256 _amount,
uint256 _lockableDays,
uint256 _tokenID,
address _nftAddress
) external whenNotPaused {
require(!isSpam[msg.sender], "Account is flagged as spam");
require(_amount >= minStaking, "Amount below minimum staking");
require(_amount <= maxStaking, "Amount above maximum staking");
require(APR_PERCENTAGE[_lockableDays] > 0, "Invalid lockable days");
require(
NFT_LEVEL1 == IERC721(_nftAddress) ||
NFT_LEVEL2 == IERC721(_nftAddress) ||
NFT_LEVEL3 == IERC721(_nftAddress),
"Invalid NFT address"
);
uint256 lockableDays = TIME_STEP[_lockableDays];
Token.transferFrom(msg.sender, address(this), _amount);
IERC721(_nftAddress).transferFrom(msg.sender, address(this), _tokenID);
string memory nftLevel;
if (NFT_LEVEL1 == IERC721(_nftAddress)) {
nftLevel = "Level 1";
} else if (NFT_LEVEL2 == IERC721(_nftAddress)) {
nftLevel = "Level 2";
} else if (NFT_LEVEL3 == IERC721(_nftAddress)) {
nftLevel = "Level 3";
}
UserInfo memory userInfo = UserInfo({
planDuration: _lockableDays,
amount: _amount,
NFTids: _tokenID,
startTime: block.timestamp,
endTime: block.timestamp + lockableDays,
withdrawn: 0,
NFT: _nftAddress,
userNFTIDsLevel: nftLevel,
hasHarvested: false
});
Users[msg.sender][_lockableDays].push(userInfo);
if (!newStakers[msg.sender]) {
totalStakers++;
newStakers[msg.sender] = true;
}
totalStaked += _amount;
totalNFTStaked++;
emit Deposit(
msg.sender,
address(this),
_amount,
_lockableDays,
block.timestamp
);
}
function harvest(uint256 planDuration, uint256 index)
external
whenNotPaused
{
require(!isSpam[msg.sender], "Account is spam!");
UserInfo[] storage userDeposits = Users[msg.sender][planDuration];
require(index < userDeposits.length, "Invalid deposit index");
UserInfo storage deposit = userDeposits[index];
require(!deposit.hasHarvested, "Already harvested for this deposit");
uint256 totalHarvestedAmount = 0;
uint256 totalDeduction = 0;
if (block.timestamp < deposit.endTime) {
uint256 deduction = (deposit.amount * deductionPercentage) / 100_00;
totalHarvestedAmount = deposit.amount - deduction;
totalDeduction = deduction;
if (totalDeduction > 0) {
Token.transfer(taxReceiver, totalDeduction);
}
Token.transfer(msg.sender, totalHarvestedAmount);
} else {
totalHarvestedAmount = getUserDividends(
msg.sender,
planDuration,
index
);
Token.transfer(msg.sender, totalHarvestedAmount);
}
IERC721(deposit.NFT).transferFrom(
address(this),
msg.sender,
deposit.NFTids
);
deposit.hasHarvested = true;
deposit.withdrawn += totalHarvestedAmount;
emit Harvest(
msg.sender,
deposit.NFTids,
totalHarvestedAmount,
totalDeduction,
planDuration
);
}
function getUserDividends(
address _user,
uint256 _planDuration,
uint256 index
) public view returns (uint256 totalDividends) {
UserInfo[] storage userDeposits = Users[_user][_planDuration];
if (
userDeposits.length == 0 ||
index >= userDeposits.length ||
userDeposits[index].hasHarvested
) {
return 0;
}
UserInfo storage selectedDeposit = userDeposits[index];
uint256 timeElapsed = block.timestamp - selectedDeposit.startTime;
address userNFT = selectedDeposit.NFT;
uint256 boostPercentage = nftBoosts[userNFT];
uint256 APR = APR_PERCENTAGE[_planDuration] + boostPercentage;
uint256 maxDividends = (selectedDeposit.amount * APR) / 100_00;
if (block.timestamp < selectedDeposit.endTime) {
totalDividends =
(selectedDeposit.amount * APR * timeElapsed) /
(100_00 * TIME_STEP[_planDuration]);
} else {
totalDividends = maxDividends;
}
if (selectedDeposit.withdrawn + totalDividends > maxDividends) {
totalDividends = maxDividends - selectedDeposit.withdrawn;
}
return totalDividends;
}
function futureRewards(address _add, uint256 _lockableDays)
public
view
returns (uint256 reward, uint256 claimedAmount)
{
uint256 Reward = 0;
uint256 apyPercent = APR_PERCENTAGE[_lockableDays];
uint256 claimed = 0;
for (uint256 z = 0; z < Users[_add][_lockableDays].length; z++) {
UserInfo memory user = Users[_add][_lockableDays][z];
uint256 elapsedTime = block.timestamp - user.startTime;
address userNFT = user.NFT;
uint256 boostPercentage = nftBoosts[userNFT];
uint256 totalAPR = apyPercent + boostPercentage;
uint256 maxAmount = (user.amount * totalAPR) / 100_00;
uint256 currentReward;
if (block.timestamp < user.endTime) {
currentReward =
(user.amount * totalAPR * elapsedTime) /
(100_00 * TIME_STEP[_lockableDays]);
} else {
currentReward = maxAmount;
}
uint256 unclaimedReward = currentReward > user.withdrawn
? currentReward - user.withdrawn
: 0;
Reward += unclaimedReward;
claimed += user.withdrawn;
}
return (Reward, claimed);
}
function getUserDepositInfo(
address _user,
uint256 _planDuration,
uint256 _index
)
public
view
returns (
uint256 planDuration,
uint256 amount,
uint256 NFTids,
uint256 startTime,
uint256 endTime,
uint256 withdrawn,
address NFT,
string memory userNFTIDsLevel,
bool hasHarvested
)
{
UserInfo[] storage deposits = Users[_user][_planDuration];
require(_index < deposits.length, "Invalid index");
UserInfo storage deposit = deposits[_index];
return (
deposit.planDuration,
deposit.amount,
deposit.NFTids,
deposit.startTime,
deposit.endTime,
deposit.withdrawn,
deposit.NFT,
deposit.userNFTIDsLevel,
deposit.hasHarvested
);
}
function getUserStakesCount(address _user, uint256 _planDuration)
public
view
returns (uint256)
{
return Users[_user][_planDuration].length;
}
function getUserStakedPlans(address userAddress)
external
view
returns (uint256[] memory)
{
UserInfo[] storage userDeposits;
uint256 maxPlans = 90;
bool[] memory hasStakedPlan = new bool[](maxPlans + 1);
for (uint256 i = 0; i <= maxPlans; i++) {
userDeposits = Users[userAddress][i];
if (userDeposits.length > 0) {
hasStakedPlan[i] = true;
}
}
uint256 stakedPlanCount = 0;
for (uint256 i = 0; i <= maxPlans; i++) {
if (hasStakedPlan[i]) {
stakedPlanCount++;
}
}
uint256[] memory uniquePlans = new uint256[](stakedPlanCount);
uint256 index = 0;
for (uint256 i = 0; i <= maxPlans; i++) {
if (hasStakedPlan[i]) {
uniquePlans[index] = i;
index++;
}
}
return uniquePlans;
}
function withdrawTokens(address _tokenAddress, uint256 _amount)
external
onlyOwner
{
require(_tokenAddress != address(0), "Invalid token address");
require(_amount > 0, "Amount must be greater than zero");
IERC20 token = IERC20(_tokenAddress);
uint256 contractBalance = token.balanceOf(address(this));
require(_amount <= contractBalance, "Insufficient contract balance");
token.transfer(msg.sender, _amount);
}
function withdrawNFT(IERC721 _nftContract, uint256 _tokenId)
external
onlyOwner
{
require(
address(_nftContract) != address(0),
"Invalid NFT contract address"
);
require(
_nftContract.ownerOf(_tokenId) == address(this),
"Contract does not own this NFT"
);
_nftContract.safeTransferFrom(address(this), msg.sender, _tokenId);
}
function withdrawETH() external onlyOwner {
uint256 balance = address(this).balance;
require(balance > 0, "No ETH to withdraw");
payable(owner()).transfer(balance);
}
function setToken(IERC20 _token) external onlyOwner {
Token = _token;
}
function pause() external onlyOwner {
_pause();
}
function unpause() external onlyOwner {
_unpause();
}
function setSpamStatus(address _address, bool _status) external onlyOwner {
isSpam[_address] = _status;
}
function updateTaxReceiver(address _newTaxReceiver) external onlyOwner {
taxReceiver = _newTaxReceiver;
}
function updateStakingLimits(uint256 _min, uint256 _max)
external
onlyOwner
{
minStaking = _min;
maxStaking = _max;
}
function updateDeductionPercentage(uint256 _percentage) external onlyOwner {
deductionPercentage = _percentage;
}
function setNftBoost(address nftAddress, uint256 boostPercentage)
public
onlyOwner
{
nftBoosts[nftAddress] = boostPercentage;
}
function setAPR_PERCENTAGE(uint256 _planDuration, uint256 _aprPercentage)
public
onlyOwner
{
APR_PERCENTAGE[_planDuration] = _aprPercentage;
}
function setTIME_STEP(uint256 _planDuration, uint256 _timeStep)
public
onlyOwner
{
TIME_STEP[_planDuration] = _timeStep;
}
function setNFTContracts(
IERC721 _nftLevel1,
IERC721 _nftLevel2,
IERC721 _nftLevel3
) external onlyOwner {
NFT_LEVEL1 = _nftLevel1;
NFT_LEVEL2 = _nftLevel2;
NFT_LEVEL3 = _nftLevel3;
}
}
Read Contract
APR_PERCENTAGE 0x4720594d → uint256
NFT_LEVEL1 0xdf1a9f37 → address
NFT_LEVEL2 0x29af9c25 → address
NFT_LEVEL3 0x00771c08 → address
TIME_STEP 0x19198a36 → uint256
Token 0xc2412676 → address
deductionPercentage 0x6b130dc2 → uint256
futureRewards 0x648b5e32 → uint256, uint256
getUserDepositInfo 0xb48aa05e → uint256, uint256, uint256, uint256, uint256, uint256, address, string, bool
getUserDividends 0x0c9471c7 → uint256
getUserStakedPlans 0x09ae8c22 → uint256[]
getUserStakesCount 0x5b5e4558 → uint256
isSpam 0xcd099205 → bool
maxStaking 0x872c50ba → uint256
minStaking 0x0564534c → uint256
newStakers 0x03f35bce → bool
nftBoosts 0x77279d1e → uint256
owner 0x8da5cb5b → address
paused 0x5c975abb → bool
taxReceiver 0xe6ef73d6 → address
totalNFTStaked 0x0aa3d065 → uint256
totalStaked 0x817b1cd2 → uint256
totalStakers 0x86989038 → uint256
Write Contract 17 functions
These functions modify contract state and require a wallet transaction to execute.
farm 0xc1bb014f
uint256 _amount
uint256 _lockableDays
uint256 _tokenID
address _nftAddress
harvest 0xe4a4b7b1
uint256 planDuration
uint256 index
pause 0x8456cb59
No parameters
setAPR_PERCENTAGE 0x774c78a7
uint256 _planDuration
uint256 _aprPercentage
setNFTContracts 0xac3a56ac
address _nftLevel1
address _nftLevel2
address _nftLevel3
setNftBoost 0xb88be686
address nftAddress
uint256 boostPercentage
setSpamStatus 0xcaa56040
address _address
bool _status
setTIME_STEP 0x1d9bdeae
uint256 _planDuration
uint256 _timeStep
setToken 0x144fa6d7
address _token
transferOwnership 0xf2fde38b
address newOwner
unpause 0x3f4ba83a
No parameters
updateDeductionPercentage 0xff5d626c
uint256 _percentage
updateStakingLimits 0x52b81763
uint256 _min
uint256 _max
updateTaxReceiver 0x56b09616
address _newTaxReceiver
withdrawETH 0xe086e5ec
No parameters
withdrawNFT 0x6088e93a
address _nftContract
uint256 _tokenId
withdrawTokens 0x06b091f9
address _tokenAddress
uint256 _amount
Recent Transactions
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