{
    "Function": "slitherConstructorConstantVariables",
    "File": "contracts/MergeTgt.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/utils/ReentrancyGuard.sol",
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol",
        "contracts/interfaces/IMerge.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "contract MergeTgt is IMerge, Ownable, ReentrancyGuard {\n    using SafeERC20 for IERC20;\n\n    IERC20 public immutable tgt;\n    IERC20 public immutable titn;\n\n    uint256 public constant TGT_TO_EXCHANGE = 579_000_000 * 10 ** 18; // 57.9% of MAX_TGT\n    uint256 public constant TITN_ARB = 173_700_000 * 10 ** 18; // 17.37% of MAX_TITN\n    uint256 public launchTime;\n\n    mapping(address => uint256) public claimedTitnPerUser;\n    mapping(address => uint256) public claimableTitnPerUser;\n    uint256 public totalTitnClaimed;\n    uint256 public totalTitnClaimable;\n    uint256 public remainingTitnAfter1Year;\n    uint256 public initialTotalClaimable; // store the initial claimable TITN after 1 year\n\n    LockedStatus public lockedStatus;\n\n    // Events\n    event Deposit(address indexed token, uint256 amount);\n    event Withdraw(address indexed token, uint256 amount, address indexed to);\n    event LaunchTimeSet(uint256 timestamp);\n    event LockedStatusUpdated(LockedStatus newStatus);\n    event ClaimTitn(address indexed user, uint256 amount);\n    event ClaimableTitnUpdated(address indexed user, uint256 titnOut);\n    event WithdrawRemainingTitn(address indexed user, uint256 amount);\n\n    constructor(address _tgt, address _titn, address initialOwner) Ownable(initialOwner) {\n        tgt = IERC20(_tgt);\n        titn = IERC20(_titn);\n    }\n\n    function deposit(IERC20 token, uint256 amount) external onlyOwner {\n        if (token != titn) {\n            revert InvalidTokenReceived();\n        }\n\n        // enforce that the deposited amount is 12_500_000 * 10**18\n        if (amount != TITN_ARB) {\n            revert InvalidAmountReceived();\n        }\n\n        token.safeTransferFrom(msg.sender, address(this), amount);\n        emit Deposit(address(token), amount);\n    }\n\n    /// @notice Withdraw any locked contracts in Merge contract\n    function withdraw(IERC20 token, uint256 amount) external onlyOwner {\n        token.safeTransfer(owner(), amount);\n        emit Withdraw(address(token), amount, owner());\n    }\n\n    /// @notice tgt token transferAndCall ERC677-like\n    function onTokenTransfer(address from, uint256 amount, bytes calldata extraData) external nonReentrant {\n        if (msg.sender != address(tgt)) {\n            revert InvalidTokenReceived();\n        }\n        if (lockedStatus == LockedStatus.Locked || launchTime == 0) {\n            revert MergeLocked();\n        }\n        if (amount == 0) {\n            revert ZeroAmount();\n        }\n        if (block.timestamp - launchTime > 360 days) {\n            revert MergeEnded();\n        }\n\n        // tgt in, titn out\n\n        uint256 titnOut = quoteTitn(amount);\n        claimableTitnPerUser[from] += titnOut;\n        totalTitnClaimable += titnOut;\n\n        emit ClaimableTitnUpdated(from, titnOut);\n    }\n\n    function tgtBalance() external view returns (uint256) {\n        return tgt.balanceOf(address(this));\n    }\n\n    function titnBalance() external view returns (uint256) {\n        return titn.balanceOf(address(this));\n    }\n\n    function claimTitn(uint256 amount) external nonReentrant {\n        require(amount <= claimableTitnPerUser[msg.sender], \"Not enough claimable titn\");\n\n        if (block.timestamp - launchTime >= 360 days) {\n            revert TooLateToClaimRemainingTitn();\n        }\n\n        claimedTitnPerUser[msg.sender] += amount;\n        claimableTitnPerUser[msg.sender] -= amount;\n\n        totalTitnClaimed += amount;\n        totalTitnClaimable -= amount;\n\n        titn.safeTransfer(msg.sender, amount);\n\n        emit ClaimTitn(msg.sender, amount);\n    }\n\n    function withdrawRemainingTitn() external nonReentrant {\n        require(launchTime > 0, \"Launch time not set\");\n\n        if (block.timestamp - launchTime < 360 days) {\n            revert TooEarlyToClaimRemainingTitn();\n        }\n\n        uint256 currentRemainingTitn = titn.balanceOf(address(this));\n\n        if (remainingTitnAfter1Year == 0) {\n            // Initialize remainingTitnAfter1Year to the current balance of TITN\n            remainingTitnAfter1Year = currentRemainingTitn;\n\n            // Capture the total claimable TITN at the time of the first claim\n            initialTotalClaimable = totalTitnClaimable;\n        }\n\n        uint256 claimableTitn = claimableTitnPerUser[msg.sender];\n        require(claimableTitn > 0, \"No claimable TITN\");\n\n        // Calculate proportional remaining TITN for the user\n        uint256 unclaimedTitn = remainingTitnAfter1Year - initialTotalClaimable;\n        uint256 userProportionalShare = (claimableTitn * unclaimedTitn) / initialTotalClaimable;\n\n        uint256 titnOut = claimableTitn + userProportionalShare;\n\n        // Update state variables\n        claimableTitnPerUser[msg.sender] = 0; // each user can only claim once\n        totalTitnClaimed += titnOut;\n\n        claimedTitnPerUser[msg.sender] += titnOut;\n        totalTitnClaimable -= claimableTitn;\n\n        // Transfer TITN to the user\n        titn.safeTransfer(msg.sender, titnOut);\n\n        emit WithdrawRemainingTitn(msg.sender, titnOut);\n    }\n\n    function quoteTitn(uint256 tgtAmount) public view returns (uint256 titnAmount) {\n        require(launchTime > 0, \"Launch time not set\");\n\n        uint256 timeSinceLaunch = (block.timestamp - launchTime);\n        if (timeSinceLaunch < 90 days) {\n            titnAmount = (tgtAmount * TITN_ARB) / TGT_TO_EXCHANGE;\n        } else if (timeSinceLaunch < 360 days) {\n            uint256 remainingtime = 360 days - timeSinceLaunch;\n            titnAmount = (tgtAmount * TITN_ARB * remainingtime) / (TGT_TO_EXCHANGE * 270 days); //270 days = 9 months\n        } else {\n            titnAmount = 0;\n        }\n    }\n\n    function setLockedStatus(LockedStatus newStatus) external onlyOwner {\n        lockedStatus = newStatus;\n        emit LockedStatusUpdated(newStatus);\n    }\n\n    function setLaunchTime() external onlyOwner {\n        require(launchTime == 0, \"Launch time already set\");\n        launchTime = block.timestamp;\n        emit LaunchTimeSet(block.timestamp);\n    }\n\n    function gettotalClaimedTitnPerUser(address user) external view returns (uint256) {\n        return claimedTitnPerUser[user];\n    }\n\n    function getClaimableTitnPerUser(address user) external view returns (uint256) {\n        return claimableTitnPerUser[user];\n    }\n}"
}