Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

contract LiquidityTimelock is ReentrancyGuard, Ownable {
    uint256 public immutable unlockTime;
    address public lpTokenAddress;
    bool public isLocked = false;

    event LiquidityLocked(uint256 amount, uint256 lockTimestamp);
    event LiquidityUnlocked(uint256 amount, uint256 unlockTimestamp);

    constructor(uint256 _unlockTime) Ownable(msg.sender) {
        require(_unlockTime > block.timestamp, "Unlock time must be in the future");
        unlockTime = _unlockTime;
    }

    function lockLiquidity(address _lpTokenAddress, uint256 _amount) external onlyOwner {
        require(!isLocked, "Liquidity already locked");
        require(_lpTokenAddress != address(0), "Invalid LP token address");
        require(_amount > 0, "Amount must be greater than 0");

        IERC20 lpToken = IERC20(_lpTokenAddress);
        require(lpToken.balanceOf(msg.sender) >= _amount, "Insufficient LP token balance");
        require(lpToken.allowance(msg.sender, address(this)) >= _amount, "Insufficient allowance");

        lpToken.transferFrom(msg.sender, address(this), _amount);
        
        lpTokenAddress = _lpTokenAddress;
        isLocked = true;

        emit LiquidityLocked(_amount, block.timestamp);
    }

    function unlockLiquidity() external onlyOwner nonReentrant {
        require(isLocked, "Liquidity not locked");
        require(block.timestamp >= unlockTime, "Unlock time not reached");

        IERC20 lpToken = IERC20(lpTokenAddress);
        uint256 balance = lpToken.balanceOf(address(this));
        require(balance > 0, "No liquidity to unlock");

        isLocked = false;
        lpToken.transfer(owner(), balance);

        emit LiquidityUnlocked(balance, block.timestamp);
    }

    function getTimeRemaining() public view returns (uint256) {
        if (!isLocked) return 0;
        if (block.timestamp >= unlockTime) return 0;
        return unlockTime - block.timestamp;
    }

    function getLPTokenBalance() public view returns (uint256) {
        if (!isLocked) return 0;
        IERC20 lpToken = IERC20(lpTokenAddress);
        return lpToken.balanceOf(address(this));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @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 {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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 v5.1.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant NOT_ENTERED = 1;
    uint256 private constant ENTERED = 2;

    uint256 private _status;

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    constructor() {
        _status = NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if (_status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

        // Any calls to nonReentrant after this point will fail
        _status = ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 9999
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"_unlockTime","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[],"name":"ReentrancyGuardReentrantCall","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lockTimestamp","type":"uint256"}],"name":"LiquidityLocked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"unlockTimestamp","type":"uint256"}],"name":"LiquidityUnlocked","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"},{"inputs":[],"name":"getLPTokenBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTimeRemaining","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_lpTokenAddress","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"lockLiquidity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lpTokenAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unlockLiquidity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unlockTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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