// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

/**
 * @title TokenDistributor - Merkle tree based token distribution contract
 * @notice This contract allows users to claim tokens based on merkle proofs
 * @dev The contract uses merkle trees to efficiently distribute tokens to a large number of recipients
 *      Operator sets merkle root, start time and duration, owner withdraws remaining tokens when distribution ends or hasn't started
 *      Supports both ERC20 tokens and native tokens for distribution
 */
contract TokenDistributor is ReentrancyGuard {
    using SafeERC20 for IERC20;

    // ============ Constant Variables ============
    
    /// @notice Maximum allowed distribution period duration (365 days)
    uint256 public constant MAX_DURATION = 365 days;

    /// @notice Maximum allowed start time offset from current time (90 days)
    uint256 public constant MAX_START_TIME = 90 days;

    /// @notice Native token identifier address
    address constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    // ============ Immutable Variables ============

    /// @notice Address of the token being distributed
    address public immutable token;

    /// @notice Address authorized to set merkle root and start time
    address public immutable operator;

    /// @notice Address authorized to withdraw remaining tokens
    address public immutable owner;

    // ============ Mutable State Variables ============

    /// @notice Merkle root hash for validating claims
    bytes32 public merkleRoot;

    /// @notice Total amount of tokens claimed
    uint256 public totalClaimed;

    /// @notice Timestamp when the distribution starts and ends
    /// @dev Packed together to save storage slot and reduce gas cost
    uint64 public startTime;
    uint64 public endTime;

    /// @notice Mapping of addresses to their claimed amounts
    mapping(address => uint256) public claimedAmounts;

    // ============ Custom Errors ============

    // Custom errors for gas-efficient error handling
    error AlreadyStarted(); // It has already started
    error InvalidAmount(); // Amount cannot be zero
    error InvalidDuration(); // Invalid duration
    error InvalidProof(); // Invalid merkle proof
    error InvalidRoot(); // Invalid merkle root
    error InvalidTime(); // Invalid timestamp
    error NativeSendFailed(); // Native token send failed
    error NativeNotAccepted(); // Native token not accepted
    error NoRoot(); // Merkle root not set
    error NoTokens(); // No tokens available
    error OnlyOperator(); // Only operator can call this function
    error OnlyOwner(); // Only owner can call this function
    error StartTimeNotSet(); // Start time not set
    error TooEarly(); // Distribution hasn't started yet
    error TooLate(); // Distribution has ended

    // ============ Events ============

    /// @notice Emitted when start time and end time are set
    event TimeSet(uint64 startTime, uint64 endTime);

    /// @notice Emitted when merkle root is set
    event MerkleRootSet(bytes32 merkleRoot);

    /// @notice Emitted when tokens are claimed
    event Claimed(address indexed account, uint256 amount);

    /// @notice Emitted when remaining tokens are withdrawn
    event Withdrawn(address to, uint256 amount);

    // ============ Modifiers ============

    /// @notice Restricts access to operator only
    modifier onlyOperator() {
        if (msg.sender != operator) revert OnlyOperator();
        _;
    }

    /// @notice Restricts access to owner only
    modifier onlyOwner() {
        if (msg.sender != owner) revert OnlyOwner();
        _;
    }

    // ============ Constructor ============

    /// @notice Initialize distributor contract
    /// @param _owner Owner address who can withdraw remaining tokens
    /// @param _operator Operator address who can set merkle root, start time and duration
    /// @param _token Token address to be distributed
    constructor(address _owner, address _operator, address _token) {
        owner = _owner;
        operator = _operator;
        token = _token;
    }

    // ============ Operator Functions ============

    /// @notice Set airdrop start time and duration
    /// @dev Can be called multiple times by the operator with the following restrictions:
    /// 1. Cannot be set if distribution is currently active (between startTime and endTime)
    /// 2. Start time must be greater than current block timestamp and not greater than 90 days from current time
    /// 3. Duration must be greater than 0 and not greater than MAX_DURATION (365 days)
    /// 4. Can be set multiple times before distribution starts or after it ends
    /// @param _startTime Start timestamp (must be in the future)
    /// @param _duration Distribution period duration in seconds (must be ≤ MAX_DURATION)
    function setTime(uint256 _startTime, uint256 _duration) external onlyOperator {
        if (_duration == 0 || _duration > MAX_DURATION) revert InvalidDuration();
        if (_startTime <= block.timestamp) revert InvalidTime();
        if (_startTime > block.timestamp + MAX_START_TIME) revert InvalidTime();
        if (block.timestamp >= startTime && block.timestamp <= endTime) revert AlreadyStarted();

        startTime = uint64(_startTime);
        endTime = uint64(_startTime + _duration);

        emit TimeSet(startTime, endTime);
    }

    /// @notice Set merkle root for claim validation
    /// @dev Can be called multiple times by the operator to update the merkle root
    /// @param _merkleRoot Merkle root hash
    function setMerkleRoot(bytes32 _merkleRoot) external onlyOperator {
        if (_merkleRoot == bytes32(0)) revert InvalidRoot();
        merkleRoot = _merkleRoot;

        emit MerkleRootSet(_merkleRoot);
    }

    // ============ Owner Functions ============

    /// @notice Withdraw remaining tokens after distribution ends
    /// @dev Can only be called by owner after the distribution period ends or before any distribution has started 
    function withdraw() external onlyOwner {
        // Check if distribution has ended or not set the startTime
        if (block.timestamp <= endTime) revert InvalidTime();

        uint256 balance = getBalance();
        if (balance == 0) revert NoTokens();

        transfer(msg.sender, balance);

        emit Withdrawn(msg.sender, balance);
    }

    // ============ User Functions ============

    /// @notice Claim reward tokens using merkle proof
    /// @dev Supports single claim (when root set once) or incremental distributions
    ///      by adjusting maxAmount without resetting previous claims
    /// @param maxAmount Maximum claimable amount for this address (from merkle tree)
    /// @param proof Merkle proof to validate the claim
    function claim(uint256 maxAmount, bytes32[] calldata proof) external nonReentrant {
        // Validate distribution state
        if (startTime == 0) revert StartTimeNotSet();
        if (block.timestamp < startTime) revert TooEarly();
        if (block.timestamp > endTime) revert TooLate();
        if (merkleRoot == bytes32(0)) revert NoRoot();

        // Check if user has already claimed the maximum amount
        uint256 claimedAmount = claimedAmounts[msg.sender];
        if (maxAmount <= claimedAmount) revert InvalidAmount();

        // Verify merkle proof
        bytes32 leaf = keccak256(abi.encodePacked(msg.sender, maxAmount));
        if (!MerkleProof.verify(proof, merkleRoot, leaf)) revert InvalidProof();

        // Calculate pending amount to claim
        uint256 pendingAmount;
        unchecked {
            pendingAmount = maxAmount - claimedAmount; // Safe: maxAmount > claimedAmount verified above
        }

        // Update claimed amount before transfer (CEI pattern)
        claimedAmounts[msg.sender] = maxAmount;

        // Update total claimed amount
        totalClaimed += pendingAmount;

        // Transfer tokens to claimant
        transfer(msg.sender, pendingAmount);

        emit Claimed(msg.sender, pendingAmount);
    }

    // ============ Internal Functions ============

    /// @notice Get the balance of the contract
    function getBalance() internal view returns (uint256) {
        if (token == ETH_ADDRESS) {
            return address(this).balance;
        } else {
            return IERC20(token).balanceOf(address(this));
        }
    }

    /// @notice Transfer tokens to a given address
    function transfer(address to, uint256 amount) internal {
        if (token == ETH_ADDRESS) {
            (bool success, ) = payable(to).call{value: amount}("");
            if (!success) revert NativeSendFailed();
        } else {
            IERC20(token).safeTransfer(to, amount);
        }
    }

    // ============ Receive Function ============

    /// @dev Accept Native Token
    receive() external payable {
        if(token != ETH_ADDRESS) revert NativeNotAccepted();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @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 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;

    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
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // 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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates merkle trees that are safe
 * against this attack out of the box.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     *
     * _Available since v4.7._
     */
    function verifyCalldata(
        bytes32[] calldata proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     *
     * _Available since v4.7._
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-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;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    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));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    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");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    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");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.4.1 (token/ERC20/extensions/draft-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.
 */
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].
     */
    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 v4.8.0) (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
     * ====
     *
     * [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://diligence.consensys.net/posts/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/v0.5.11/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);
        }
    }
}

{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "@forge-std/=lib/forge-std/src/",
    "forge-gas-snapshot/=lib/forge-gas-snapshot/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "useLiteralContent": true,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": true
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_operator","type":"address"},{"internalType":"address","name":"_token","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyStarted","type":"error"},{"inputs":[],"name":"InvalidAmount","type":"error"},{"inputs":[],"name":"InvalidDuration","type":"error"},{"inputs":[],"name":"InvalidProof","type":"error"},{"inputs":[],"name":"InvalidRoot","type":"error"},{"inputs":[],"name":"InvalidTime","type":"error"},{"inputs":[],"name":"NativeNotAccepted","type":"error"},{"inputs":[],"name":"NativeSendFailed","type":"error"},{"inputs":[],"name":"NoRoot","type":"error"},{"inputs":[],"name":"NoTokens","type":"error"},{"inputs":[],"name":"OnlyOperator","type":"error"},{"inputs":[],"name":"OnlyOwner","type":"error"},{"inputs":[],"name":"StartTimeNotSet","type":"error"},{"inputs":[],"name":"TooEarly","type":"error"},{"inputs":[],"name":"TooLate","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Claimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes32","name":"merkleRoot","type":"bytes32"}],"name":"MerkleRootSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"startTime","type":"uint64"},{"indexed":false,"internalType":"uint64","name":"endTime","type":"uint64"}],"name":"TimeSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"MAX_DURATION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_START_TIME","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxAmount","type":"uint256"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"claimedAmounts","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"endTime","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_startTime","type":"uint256"},{"internalType":"uint256","name":"_duration","type":"uint256"}],"name":"setTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startTime","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalClaimed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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