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Outline

• interface IERC721
•    - function safeTransferFrom(address fro ...
•    - function ownerOf(uint256 tokenId)
• interface IERC721Receiver
•    - function onERC721Received(address ope ...
•    - function owner()
•    - function transferOwnership(address ne ...
•    - function _transferOwnership(address n ...
•  contract UniV3LiquidityLocker is O ... *
•    - function lockLiquidity(uint256 tokenI ...
•    - function unlockLiquidity(uint256 toke ...
•    - function onERC721Received(address, ad ...

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/**
 *Submitted for verification at SonicScan.org on 2025-02-26
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

interface IERC721 {
    function safeTransferFrom(address from, address to, uint256 tokenId) external;
    function ownerOf(uint256 tokenId) external view returns (address);
}

interface IERC721Receiver {
    function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4);
}

abstract contract Ownable {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor(address initialOwner) {
        _transferOwnership(initialOwner);
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(owner() == msg.sender, "Ownable: caller is not the owner");
        _;
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

contract UniV3LiquidityLocker is Ownable, IERC721Receiver {
    IERC721 public immutable nftContract;

    struct LockedPosition {
        address owner;
        uint256 unlockTime;
    }

    mapping(uint256 => LockedPosition) public lockedPositions;

    event LiquidityLocked(address indexed user, uint256 indexed tokenId, uint256 unlockTime);
    event LiquidityUnlocked(address indexed user, uint256 indexed tokenId);

    constructor(address _nftContract) Ownable(msg.sender) {
        nftContract = IERC721(_nftContract);
    }

    function lockLiquidity(uint256 tokenId, uint256 lockDuration) external {
        require(lockDuration >= 5 minutes, "Minimum lock duration is 5 minutes");
        require(nftContract.ownerOf(tokenId) == msg.sender, "You must own the NFT");

        nftContract.safeTransferFrom(msg.sender, address(this), tokenId);

        lockedPositions[tokenId] = LockedPosition({
            owner: msg.sender,
            unlockTime: block.timestamp + lockDuration
        });

        emit LiquidityLocked(msg.sender, tokenId, block.timestamp + lockDuration);
    }

    function unlockLiquidity(uint256 tokenId) external {
        LockedPosition storage position = lockedPositions[tokenId];

        require(position.owner == msg.sender, "Not the owner of this NFT");
        require(block.timestamp >= position.unlockTime, "Liquidity is still locked");

        nftContract.safeTransferFrom(address(this), msg.sender, tokenId);
        delete lockedPositions[tokenId];

        emit LiquidityUnlocked(msg.sender, tokenId);
    }

    function onERC721Received(address, address, uint256, bytes calldata) external pure override returns (bytes4) {
        return this.onERC721Received.selector;
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_nftContract","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"unlockTime","type":"uint256"}],"name":"LiquidityLocked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","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":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"lockDuration","type":"uint256"}],"name":"lockLiquidity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"lockedPositions","outputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"unlockTime","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nftContract","outputs":[{"internalType":"contract IERC721","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"unlockLiquidity","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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