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Latest 23 from a total of 23 transactions
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Deposit | 20209900 | 4 days ago | IN | 0 ETH | 0.00046505 | ||||
Withdraw | 20187479 | 7 days ago | IN | 0 ETH | 0.00043861 | ||||
Deposit | 20069165 | 23 days ago | IN | 0 ETH | 0.00327527 | ||||
Withdraw | 20069145 | 23 days ago | IN | 0 ETH | 0.00219159 | ||||
Claim Rewards | 20013197 | 31 days ago | IN | 0 ETH | 0.00108958 | ||||
Claim Rewards | 20013191 | 31 days ago | IN | 0 ETH | 0.00102505 | ||||
Deposit | 19965249 | 38 days ago | IN | 0 ETH | 0.00159378 | ||||
Deposit | 19881800 | 50 days ago | IN | 0 ETH | 0.00059106 | ||||
Deposit | 19881008 | 50 days ago | IN | 0 ETH | 0.0005234 | ||||
Deposit | 19809124 | 60 days ago | IN | 0 ETH | 0.0005204 | ||||
Deposit | 19715798 | 73 days ago | IN | 0 ETH | 0.00051007 | ||||
Deposit | 19703275 | 74 days ago | IN | 0 ETH | 0.00084958 | ||||
Deposit | 19696362 | 75 days ago | IN | 0 ETH | 0.00087435 | ||||
Deposit | 19694284 | 76 days ago | IN | 0 ETH | 0.0007567 | ||||
Deposit | 19682235 | 77 days ago | IN | 0 ETH | 0.0012871 | ||||
Deposit | 19674714 | 78 days ago | IN | 0 ETH | 0.00152152 | ||||
Claim Rewards | 19673980 | 79 days ago | IN | 0 ETH | 0.00091388 | ||||
Deposit | 19673700 | 79 days ago | IN | 0 ETH | 0.00158568 | ||||
Deposit | 19673694 | 79 days ago | IN | 0 ETH | 0.00183541 | ||||
Transfer Ownersh... | 19669857 | 79 days ago | IN | 0 ETH | 0.00055603 | ||||
Start Staking | 19669856 | 79 days ago | IN | 0 ETH | 0.00110112 | ||||
Start Staking | 19669835 | 79 days ago | IN | 0 ETH | 0.00021231 | ||||
0x60e06040 | 19669828 | 79 days ago | IN | Create: StakingPlatform | 0 ETH | 0.01843511 |
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Contract Source Code Verified (Exact Match)
Contract Name:
StakingPlatform
Compiler Version
v0.8.23+commit.f704f362
Optimization Enabled:
Yes with 1000 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity =0.8.23; import "./IStakingPlatform.sol"; import "@openzeppelin/contracts/access/Ownable2Step.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/security/Pausable.sol"; /// @author RetreebInc /// @title Staking Platform with fixed APY and lockup contract StakingPlatform is IStakingPlatform, Ownable2Step, Pausable { using SafeERC20 for IERC20; IERC20 public immutable token; uint8 public immutable fixedAPY; uint public immutable stakingDuration; uint public lockupDuration; uint public stakingMax; uint public maxStakingPerUser; uint public startPeriod; uint public lockupPeriod; uint public endPeriod; uint private _totalStaked; uint internal _precision = 1E6; mapping(address => uint) public staked; mapping(address => uint) private _rewardsToClaim; mapping(address => uint) private _userStartTime; mapping(address => uint) private _userLockupStartTime; /** * @notice constructor contains all the parameters of the staking platform * @dev all parameters are immutable */ constructor( address _token, uint8 _fixedAPY, uint _durationInDays, uint _lockDurationInDays, uint _maxAmountStaked ) { stakingDuration = _durationInDays * 1 days; lockupDuration = _lockDurationInDays * 1 days; token = IERC20(_token); fixedAPY = _fixedAPY; stakingMax = _maxAmountStaked; maxStakingPerUser = type(uint256).max; } /** * @notice function that start the staking * @dev set `startPeriod` to the current current `block.timestamp` * set `lockupPeriod` which is `block.timestamp` + `lockupDuration` * and `endPeriod` which is `startPeriod` + `stakingDuration` */ function startStaking() external override onlyOwner whenNotPaused { require(startPeriod == 0, "Staking has already started"); startPeriod = block.timestamp; lockupPeriod = block.timestamp + lockupDuration; endPeriod = block.timestamp + stakingDuration; emit StartStaking(startPeriod, lockupDuration, endPeriod); } /** * @notice function that allows a user to deposit tokens * @dev user must first approve the amount to deposit before calling this function, * cannot exceed the `maxAmountStaked` * @param amount, the amount to be deposited * @dev `endPeriod` to equal 0 (Staking didn't started yet), * or `endPeriod` more than current `block.timestamp` (staking not finished yet) * @dev `totalStaked + amount` must be less than `stakingMax` * @dev that the amount deposited should greater than 0 */ function deposit(uint amount) external override whenNotPaused { require( endPeriod == 0 || endPeriod > block.timestamp, "Staking period ended" ); require( _totalStaked + amount <= stakingMax, "Amount staked exceeds MaxStake" ); require(amount != 0, "Amount must be greater than 0"); require( staked[_msgSender()] + amount <= maxStakingPerUser, "Stake exceeds user's limit" ); if (_userStartTime[_msgSender()] == 0) { _userStartTime[_msgSender()] = block.timestamp; } if ( (_userLockupStartTime[_msgSender()] == 0 || _userLockupStartTime[_msgSender()] == type(uint256).max) && startPeriod != 0 ) { // when user _userLockupStartTime[_msgSender()] // is 0 it means user is coming for the first time // is type(uint256).max it means user has withdrawn all his stake before and he is coming back // _userLocupStartTime is only set when staking has began _userLockupStartTime[_msgSender()] = block.timestamp; } _updateRewards(); staked[_msgSender()] += amount; _totalStaked = _totalStaked + amount; token.safeTransferFrom(_msgSender(), address(this), amount); emit Deposit(_msgSender(), amount); } /** * @notice function that allows a user to withdraw its initial deposit * @param amount, amount to withdraw * @dev `block.timestamp` must be higher than `lockupPeriod` (lockupPeriod finished) * @dev `amount` must be higher than `0` * @dev `amount` must be lower or equal to the amount staked * withdraw reset all states variable for the `msg.sender` to 0, and claim rewards * if rewards to claim */ function withdraw(uint amount) external override whenNotPaused { uint startTime = getUserLockUpStartTime(_msgSender()); require( block.timestamp > endPeriod || (block.timestamp - startTime) >= lockupDuration, "No withdraw until lockup ends" ); require(amount != 0, "Amount must be greater than 0"); require( amount <= staked[_msgSender()], "Amount higher than stakedAmount" ); _updateRewards(); if (_rewardsToClaim[_msgSender()] != 0) { _claimRewards(); } _totalStaked = _totalStaked - amount; staked[_msgSender()] -= amount; token.safeTransfer(_msgSender(), amount); if (staked[_msgSender()] == 0) { // user has withdrawn all his stake so reset the lockup start time _userLockupStartTime[_msgSender()] = type(uint256).max; } emit Withdraw(_msgSender(), amount); } /** * @notice function that allows a user to withdraw its initial deposit * @dev must be called only when `block.timestamp` >= `lockupPeriod` * @dev `block.timestamp` higher than `lockupPeriod` (lockupPeriod finished) * withdraw reset all states variable for the `msg.sender` to 0, and claim rewards * if rewards to claim */ function withdrawAll() external override whenNotPaused { uint startTime = getUserLockUpStartTime(_msgSender()); require( block.timestamp > endPeriod || (block.timestamp - startTime) >= lockupDuration, "No withdraw until lockup ends" ); _updateRewards(); if (_rewardsToClaim[_msgSender()] != 0) { _claimRewards(); } _userStartTime[_msgSender()] = 0; _totalStaked = _totalStaked - staked[_msgSender()]; uint stakedBalance = staked[_msgSender()]; staked[_msgSender()] = 0; _userLockupStartTime[_msgSender()] = type(uint256).max; // reset lockup start time token.safeTransfer(_msgSender(), stakedBalance); emit Withdraw(_msgSender(), stakedBalance); } /** * @notice claim all remaining balance on the contract * Residual balance is all the remaining tokens that have not been distributed * (e.g, in case the number of stakeholders is not sufficient) * @dev Can only be called 15 days after the end of the staking period * Cannot claim initial stakeholders deposit */ function withdrawResidualBalance() external onlyOwner whenNotPaused { require( block.timestamp >= endPeriod + (15 * 1 days), "Withdraw 15 days after endPeriod" ); uint balance = token.balanceOf(address(this)); uint residualBalance = balance - (_totalStaked); require(residualBalance != 0, "No residual Balance to withdraw"); token.safeTransfer(owner(), residualBalance); } /** * @notice function that returns the amount of total Staked tokens * for a specific user * @param stakeHolder, address of the user to check * @return uint amount of the total deposited Tokens by the caller */ function amountStaked( address stakeHolder ) external view override returns (uint) { return staked[stakeHolder]; } /** * @notice function that returns the amount of total Staked tokens * on the smart contract * @return uint amount of the total deposited Tokens */ function totalDeposited() external view override returns (uint) { return _totalStaked; } /** * @notice function that returns the amount of pending rewards * that can be claimed by the user * @param stakeHolder, address of the user to be checked * @return uint amount of claimable rewards */ function rewardOf( address stakeHolder ) external view override returns (uint) { return _calculateRewards(stakeHolder); } /** * @notice function that claims pending rewards * @dev transfer the pending rewards to the `msg.sender` */ function claimRewards() external override whenNotPaused { _claimRewards(); } /** * @notice calculate rewards based on the `fixedAPY`, `_percentageTimeRemaining()` * @dev the higher is the precision and the more the time remaining will be precise * @param stakeHolder, address of the user to be checked * @return uint amount of claimable tokens of the specified address */ function _calculateRewards( address stakeHolder ) internal view returns (uint) { if (startPeriod == 0 || staked[stakeHolder] == 0) { return 0; } return (((staked[stakeHolder] * fixedAPY) * _percentageTimeRemaining(stakeHolder)) / (_precision * 100)) + _rewardsToClaim[stakeHolder]; } /** * @notice function that returns the startPeriod of the staking * @param stakeHolder address of the user to be checked */ function _getStartTime(address stakeHolder) internal view returns (uint) { bool early = startPeriod > _userStartTime[stakeHolder]; uint startTime; if (endPeriod > block.timestamp) { startTime = early ? startPeriod : _userStartTime[stakeHolder]; return startTime; } startTime = early ? 0 : stakingDuration - (endPeriod - _userStartTime[stakeHolder]); return startTime; } /** * @notice function that returns the remaining time in seconds of the staking period * @dev the higher is the precision and the more the time remaining will be precise * @param stakeHolder, address of the user to be checked * @return uint percentage of time remaining * precision */ function _percentageTimeRemaining( address stakeHolder ) internal view returns (uint) { uint startTime = _getStartTime(stakeHolder); if (endPeriod > block.timestamp) { uint timeRemaining = stakingDuration - (block.timestamp - startTime); return (_precision * (stakingDuration - timeRemaining)) / stakingDuration; } return (_precision * (stakingDuration - startTime)) / stakingDuration; } /** * @notice internal function that claims pending rewards * @dev transfer the pending rewards to the user address */ function _claimRewards() private { _updateRewards(); uint rewardsToClaim = _rewardsToClaim[_msgSender()]; require(rewardsToClaim != 0, "Nothing to claim"); _rewardsToClaim[_msgSender()] = 0; token.safeTransfer(_msgSender(), rewardsToClaim); emit Claim(_msgSender(), rewardsToClaim); } /** * @notice function that update pending rewards * and shift them to rewardsToClaim * @dev update rewards claimable * and check the time spent since deposit for the `msg.sender` */ function _updateRewards() private { _rewardsToClaim[_msgSender()] = _calculateRewards(_msgSender()); _userStartTime[_msgSender()] = (block.timestamp >= endPeriod) ? endPeriod : block.timestamp; } /** * @notice function that allows the owner to change the max amount staked per user * @param _maxAmountStaked, the new max amount staked per user */ function setMaxStakingPerUser( uint _maxAmountStaked ) external onlyOwner whenNotPaused { maxStakingPerUser = _maxAmountStaked; emit MaxStakingPerUserUpdated(_maxAmountStaked); } /** * @notice function that allows the owner to change the max amount staked * @param _stakingMax, the new max amount staked */ function setStakingMax(uint _stakingMax) external onlyOwner whenNotPaused { stakingMax = _stakingMax; emit MaxStakingUpdated(_stakingMax); } /** * @notice function that allows the owner to change the lockup duration * @param _lockupDurationInDays, the new lockup duration in days */ function setLockupDuration( uint _lockupDurationInDays ) external onlyOwner whenNotPaused { lockupDuration = _lockupDurationInDays * 1 days; emit LockupDurationUpdated(lockupDuration); } /** * @dev pause the contract * @dev only the owner can pause the contract */ function pause() external onlyOwner { _pause(); } /** * @dev unpause the contract * @dev only the owner can unpause the contract */ function unpause() external onlyOwner { _unpause(); } /** * @dev function to get startTime of the user */ function getUserLockUpStartTime( address stakeHolder ) public view returns (uint) { // check if user has already withdrawn all his stake before if (_userLockupStartTime[stakeHolder] == type(uint256).max) { return type(uint256).max; } bool early = startPeriod > _userLockupStartTime[stakeHolder]; uint startTime; if (endPeriod > block.timestamp) { startTime = early ? startPeriod : _userLockupStartTime[stakeHolder]; return startTime; } startTime = early ? 0 : stakingDuration - (endPeriod - _userLockupStartTime[stakeHolder]); return startTime; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (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. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling 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); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol) pragma solidity ^0.8.0; import "./Ownable.sol"; /** * @dev Contract module which provides 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} and {acceptOwnership}. * * This module is used through inheritance. It will make available all functions * from parent (Ownable). */ abstract contract Ownable2Step is Ownable { address private _pendingOwner; event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner); /** * @dev Returns the address of the pending owner. */ function pendingOwner() public view virtual returns (address) { return _pendingOwner; } /** * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual override onlyOwner { _pendingOwner = newOwner; emit OwnershipTransferStarted(owner(), newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner. * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual override { delete _pendingOwner; super._transferOwnership(newOwner); } /** * @dev The new owner accepts the ownership transfer. */ function acceptOwnership() public virtual { address sender = _msgSender(); require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner"); _transferOwnership(sender); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { _requireNotPaused(); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { _requirePaused(); _; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Throws if the contract is paused. */ function _requireNotPaused() internal view virtual { require(!paused(), "Pausable: paused"); } /** * @dev Throws if the contract is not paused. */ function _requirePaused() internal view virtual { require(paused(), "Pausable: not paused"); } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. * * ==== Security Considerations * * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be * considered as an intention to spend the allowance in any specific way. The second is that because permits have * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be * generally recommended is: * * ```solidity * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public { * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {} * doThing(..., value); * } * * function doThing(..., uint256 value) public { * token.safeTransferFrom(msg.sender, address(this), value); * ... * } * ``` * * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also * {SafeERC20-safeTransferFrom}). * * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so * contracts should have entry points that don't rely on permit. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. * * CAUTION: See Security Considerations above. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 amount) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/IERC20Permit.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; /** * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } /** * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. */ function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } /** * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 oldAllowance = token.allowance(address(this), spender); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value)); } /** * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value)); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval * to be set to zero before setting it to a non-zero value, such as USDT. */ function forceApprove(IERC20 token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0)); _callOptionalReturn(token, approvalCall); } } /** * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`. * Revert on invalid signature. */ function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). * * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead. */ function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false // and not revert is the subcall reverts. (bool success, bytes memory returndata) = address(token).call(data); return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @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 * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 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://consensys.net/diligence/blog/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/v0.8.0/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 functionCallWithValue(target, data, 0, "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"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or 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 { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // 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 /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.4) (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; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT pragma solidity =0.8.23; /// @author RetreebInc /// @title Interface Staking Platform with fixed APY and lockup interface IStakingPlatform { /** * @notice function that start the staking * @dev set `startPeriod` to the current current `block.timestamp` * set `lockupPeriod` which is `block.timestamp` + `lockupDuration` * and `endPeriod` which is `startPeriod` + `stakingDuration` */ function startStaking() external; /** * @notice function that allows a user to deposit tokens * @dev user must first approve the amount to deposit before calling this function, * cannot exceed the `maxAmountStaked` * @param amount, the amount to be deposited * @dev `endPeriod` to equal 0 (Staking didn't started yet), * or `endPeriod` more than current `block.timestamp` (staking not finished yet) * @dev `totalStaked + amount` must be less than `stakingMax` * @dev that the amount deposited should greater than 0 */ function deposit(uint amount) external; /** * @notice function that allows a user to withdraw its initial deposit * @dev must be called only when `block.timestamp` >= `endPeriod` * @dev `block.timestamp` higher than `lockupPeriod` (lockupPeriod finished) * withdraw reset all states variable for the `msg.sender` to 0, and claim rewards * if rewards to claim */ function withdrawAll() external; /** * @notice function that allows a user to withdraw its initial deposit * @param amount, amount to withdraw * @dev `block.timestamp` must be higher than `lockupPeriod` (lockupPeriod finished) * @dev `amount` must be higher than `0` * @dev `amount` must be lower or equal to the amount staked * withdraw reset all states variable for the `msg.sender` to 0, and claim rewards * if rewards to claim */ function withdraw(uint amount) external; /** * @notice function that returns the amount of total Staked tokens * for a specific user * @param stakeHolder, address of the user to check * @return uint amount of the total deposited Tokens by the caller */ function amountStaked(address stakeHolder) external view returns (uint); /** * @notice function that returns the amount of total Staked tokens * on the smart contract * @return uint amount of the total deposited Tokens */ function totalDeposited() external view returns (uint); /** * @notice function that returns the amount of pending rewards * that can be claimed by the user * @param stakeHolder, address of the user to be checked * @return uint amount of claimable rewards */ function rewardOf(address stakeHolder) external view returns (uint); /** * @notice function that claims pending rewards * @dev transfer the pending rewards to the `msg.sender` */ function claimRewards() external; /** * @dev Emitted when `amount` tokens are deposited into * staking platform */ event Deposit(address indexed owner, uint amount); /** * @dev Emitted when user withdraw deposited `amount` */ event Withdraw(address indexed owner, uint amount); /** * @dev Emitted when `stakeHolder` claim rewards */ event Claim(address indexed stakeHolder, uint amount); /** * @dev Emitted when staking has started */ event StartStaking(uint startPeriod, uint lockupPeriod, uint endingPeriod); /** * @dev Emitted when max staking per user has been updated */ event MaxStakingPerUserUpdated(uint maxAmountStaked); /** * @dev Emitted when the pool's max staking has been updated */ event MaxStakingUpdated(uint maxStaking); /** * @dev Emitted when the lockup duration has been updated */ event LockupDurationUpdated(uint lockupDuration); }
{ "optimizer": { "enabled": true, "runs": 1000 }, "evmVersion": "paris", "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint8","name":"_fixedAPY","type":"uint8"},{"internalType":"uint256","name":"_durationInDays","type":"uint256"},{"internalType":"uint256","name":"_lockDurationInDays","type":"uint256"},{"internalType":"uint256","name":"_maxAmountStaked","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"stakeHolder","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Claim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"lockupDuration","type":"uint256"}],"name":"LockupDurationUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"maxAmountStaked","type":"uint256"}],"name":"MaxStakingPerUserUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"maxStaking","type":"uint256"}],"name":"MaxStakingUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","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":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"startPeriod","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lockupPeriod","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"endingPeriod","type":"uint256"}],"name":"StartStaking","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"stakeHolder","type":"address"}],"name":"amountStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"endPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fixedAPY","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stakeHolder","type":"address"}],"name":"getUserLockUpStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lockupDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lockupPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxStakingPerUser","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"stakeHolder","type":"address"}],"name":"rewardOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lockupDurationInDays","type":"uint256"}],"name":"setLockupDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxAmountStaked","type":"uint256"}],"name":"setMaxStakingPerUser","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_stakingMax","type":"uint256"}],"name":"setStakingMax","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"staked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingMax","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"startPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"startStaking","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalDeposited","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawResidualBalance","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000005027fc44a7ba114b8f494b1e4970900c6652fedf000000000000000000000000000000000000000000000000000000000000001400000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000001effffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
-----Decoded View---------------
Arg [0] : _token (address): 0x5027Fc44a7Ba114B8f494B1e4970900C6652FEDF
Arg [1] : _fixedAPY (uint8): 20
Arg [2] : _durationInDays (uint256): 180
Arg [3] : _lockDurationInDays (uint256): 30
Arg [4] : _maxAmountStaked (uint256): 115792089237316195423570985008687907853269984665640564039457584007913129639935
-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000005027fc44a7ba114b8f494b1e4970900c6652fedf
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000014
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000b4
Arg [3] : 000000000000000000000000000000000000000000000000000000000000001e
Arg [4] : ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ETH | 100.00% | $0.040598 | 6,149,876.7183 | $249,670.91 |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.