LiquidityStakingRewardsV4

{{
  "language": "Solidity",
  "sources": {
    "@openzeppelin/contracts/access/Ownable.sol": {
      "content": "// 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);
    }
}
"
    },
    "@openzeppelin/contracts/security/Pausable.sol": {
      "content": "// 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());
    }
}
"
    },
    "@openzeppelin/contracts/security/ReentrancyGuard.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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;
    }

    /**
     * @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;
    }
}
"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// 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);
}
"
    },
    "@openzeppelin/contracts/utils/Context.sol": {
      "content": "// 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;
    }
}
"
    },
    "contracts/LiquidityStakingRewards.sol": {
      "content": "// SPDX-License-Identifier: MIT\r
pragma solidity ^0.8.27;\r
\r
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";\r
import "@openzeppelin/contracts/access/Ownable.sol";\r
import "@openzeppelin/contracts/security/Pausable.sol";\r
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";\r
\r
/**\r
 * @title LiquidityStakingRewardsV4\r
 * @notice Staking contract for Uniswap V4 liquidity providers\r
 * @dev Provides 15% APR rewards for 3 months to liquidity providers\r
 * \r
 * Key Features:\r
 * - Compatible with Uniswap V4 pool IDs\r
 * - Works with native ETH and POL (not wrapped)\r
 * - Earn 15% APR in BP tokens\r
 * - 3-month reward program\r
 * - Manual tracking of liquidity positions\r
 * \r
 * Architecture:\r
 * - Uses standard OpenZeppelin contracts (non-upgradeable for simplicity)\r
 * - Tracks liquidity by user address and pool ID\r
 * - Comprehensive event logging\r
 * - Owner-only admin functions\r
 */\r
contract LiquidityStakingRewardsV4 is Ownable, Pausable, ReentrancyGuard {\r
    // ============================================\r
    // STATE VARIABLES\r
    // ============================================\r
\r
    /// @notice BP token contract address\r
    IERC20 public immutable bpToken;\r
\r
    /// @notice Annual Percentage Rate (in basis points: 1500 = 15%)\r
    uint256 public aprBasisPoints;\r
\r
    /// @notice Program start timestamp\r
    uint256 public programStartTime;\r
\r
    /// @notice Program end timestamp (3 months = 90 days)\r
    uint256 public programEndTime;\r
\r
    /// @notice Total BP tokens allocated for rewards\r
    uint256 public totalRewardsAllocated;\r
\r
    /// @notice Total BP tokens already distributed\r
    uint256 public totalRewardsDistributed;\r
\r
    /// @notice Basis points denominator (10000 = 100%)\r
    uint256 public constant BASIS_POINTS = 10000;\r
\r
    /// @notice Seconds in a year (for APR calculation)\r
    uint256 public constant SECONDS_PER_YEAR = 365 days;\r
\r
    /// @notice Program duration (3 months)\r
    uint256 public constant PROGRAM_DURATION = 90 days;\r
\r
    // ============================================\r
    // STAKING DATA STRUCTURES\r
    // ============================================\r
\r
    /**\r
     * @notice Staking position information\r
     * @param user Address of the liquidity provider\r
     * @param poolId Uniswap V4 pool ID (bytes32)\r
     * @param liquidityAmount Amount of liquidity provided (in USD value or tokens)\r
     * @param stakedAt Timestamp when position was registered\r
     * @param lastClaimAt Timestamp of last reward claim\r
     * @param totalClaimed Total rewards claimed so far\r
     * @param isActive Whether position is currently active\r
     */\r
    struct StakingPosition {\r
        address user;\r
        bytes32 poolId;\r
        uint256 liquidityAmount;\r
        uint256 stakedAt;\r
        uint256 lastClaimAt;\r
        uint256 totalClaimed;\r
        bool isActive;\r
    }\r
\r
    /// @notice Mapping from user address to pool ID to staking position\r
    mapping(address => mapping(bytes32 => StakingPosition)) public stakingPositions;\r
\r
    /// @notice Mapping from pool ID to total liquidity staked\r
    mapping(bytes32 => uint256) public poolTotalLiquidity;\r
\r
    /// @notice Array of supported pool IDs\r
    bytes32[] public supportedPools;\r
\r
    /// @notice Mapping to check if pool is supported\r
    mapping(bytes32 => bool) public isPoolSupported;\r
\r
    /// @notice Total liquidity currently staked across all pools\r
    uint256 public totalLiquidityStaked;\r
\r
    /// @notice Total number of active staking positions\r
    uint256 public totalActivePositions;\r
\r
    // ============================================\r
    // EVENTS\r
    // ============================================\r
\r
    event PositionRegistered(\r
        address indexed user,\r
        bytes32 indexed poolId,\r
        uint256 liquidityAmount,\r
        uint256 timestamp\r
    );\r
\r
    event PositionUpdated(\r
        address indexed user,\r
        bytes32 indexed poolId,\r
        uint256 newLiquidityAmount,\r
        uint256 timestamp\r
    );\r
\r
    event PositionRemoved(\r
        address indexed user,\r
        bytes32 indexed poolId,\r
        uint256 timestamp\r
    );\r
\r
    event RewardsClaimed(\r
        address indexed user,\r
        bytes32 indexed poolId,\r
        uint256 rewardAmount,\r
        uint256 timestamp\r
    );\r
\r
    event RewardsAllocated(\r
        uint256 amount,\r
        uint256 timestamp\r
    );\r
\r
    event ProgramExtended(\r
        uint256 newEndTime,\r
        uint256 timestamp\r
    );\r
\r
    event PoolAdded(\r
        bytes32 indexed poolId,\r
        uint256 timestamp\r
    );\r
\r
    event PoolRemoved(\r
        bytes32 indexed poolId,\r
        uint256 timestamp\r
    );\r
\r
    // ============================================\r
    // ERRORS\r
    // ============================================\r
\r
    error ProgramNotStarted();\r
    error ProgramEnded();\r
    error PositionNotActive();\r
    error PositionAlreadyExists();\r
    error InsufficientRewards();\r
    error InvalidLiquidity();\r
    error PoolNotSupported();\r
    error TransferFailed();\r
    error InvalidPoolId();\r
\r
    // ============================================\r
    // CONSTRUCTOR\r
    // ============================================\r
\r
    /**\r
     * @notice Initialize the staking contract\r
     * @param _bpToken BP token contract address\r
     * @param _aprBasisPoints APR in basis points (1500 = 15%)\r
     * @param _poolIds Initial pool IDs to support\r
     */\r
    constructor(\r
        address _bpToken,\r
        uint256 _aprBasisPoints,\r
        bytes32[] memory _poolIds\r
    ) {\r
        bpToken = IERC20(_bpToken);\r
        aprBasisPoints = _aprBasisPoints;\r
\r
        programStartTime = block.timestamp;\r
        programEndTime = block.timestamp + PROGRAM_DURATION;\r
\r
        // Add initial pools\r
        for (uint256 i = 0; i < _poolIds.length; i++) {\r
            _addPool(_poolIds[i]);\r
        }\r
    }\r
\r
    // ============================================\r
    // STAKING FUNCTIONS\r
    // ============================================\r
\r
    /**\r
     * @notice Register a liquidity position\r
     * @param poolId The Uniswap V4 pool ID\r
     * @param liquidityAmount Amount of liquidity (in tokens or USD value)\r
     * @dev User must provide proof of liquidity on Uniswap V4\r
     */\r
    function registerPosition(bytes32 poolId, uint256 liquidityAmount) \r
        external \r
        whenNotPaused \r
        nonReentrant \r
    {\r
        if (block.timestamp < programStartTime) revert ProgramNotStarted();\r
        if (block.timestamp >= programEndTime) revert ProgramEnded();\r
        if (!isPoolSupported[poolId]) revert PoolNotSupported();\r
        if (liquidityAmount == 0) revert InvalidLiquidity();\r
\r
        StakingPosition storage position = stakingPositions[msg.sender][poolId];\r
        \r
        if (position.isActive) revert PositionAlreadyExists();\r
\r
        // Create new position\r
        position.user = msg.sender;\r
        position.poolId = poolId;\r
        position.liquidityAmount = liquidityAmount;\r
        position.stakedAt = block.timestamp;\r
        position.lastClaimAt = block.timestamp;\r
        position.totalClaimed = 0;\r
        position.isActive = true;\r
\r
        // Update totals\r
        totalLiquidityStaked += liquidityAmount;\r
        poolTotalLiquidity[poolId] += liquidityAmount;\r
        totalActivePositions += 1;\r
\r
        emit PositionRegistered(msg.sender, poolId, liquidityAmount, block.timestamp);\r
    }\r
\r
    /**\r
     * @notice Update liquidity amount for existing position\r
     * @param poolId The Uniswap V4 pool ID\r
     * @param newLiquidityAmount New amount of liquidity\r
     */\r
    function updatePosition(bytes32 poolId, uint256 newLiquidityAmount) \r
        external \r
        whenNotPaused \r
        nonReentrant \r
    {\r
        StakingPosition storage position = stakingPositions[msg.sender][poolId];\r
\r
        if (!position.isActive) revert PositionNotActive();\r
        if (newLiquidityAmount == 0) revert InvalidLiquidity();\r
\r
        // Claim pending rewards before update\r
        uint256 pendingRewards = calculatePendingRewards(msg.sender, poolId);\r
        if (pendingRewards > 0) {\r
            _claimRewards(msg.sender, poolId, pendingRewards);\r
        }\r
\r
        // Update totals\r
        totalLiquidityStaked = totalLiquidityStaked - position.liquidityAmount + newLiquidityAmount;\r
        poolTotalLiquidity[poolId] = poolTotalLiquidity[poolId] - position.liquidityAmount + newLiquidityAmount;\r
\r
        // Update position\r
        position.liquidityAmount = newLiquidityAmount;\r
        position.lastClaimAt = block.timestamp;\r
\r
        emit PositionUpdated(msg.sender, poolId, newLiquidityAmount, block.timestamp);\r
    }\r
\r
    /**\r
     * @notice Remove a liquidity position and claim final rewards\r
     * @param poolId The Uniswap V4 pool ID\r
     */\r
    function removePosition(bytes32 poolId) \r
        external \r
        nonReentrant \r
    {\r
        StakingPosition storage position = stakingPositions[msg.sender][poolId];\r
\r
        if (!position.isActive) revert PositionNotActive();\r
\r
        // Claim any pending rewards\r
        uint256 pendingRewards = calculatePendingRewards(msg.sender, poolId);\r
        if (pendingRewards > 0) {\r
            _claimRewards(msg.sender, poolId, pendingRewards);\r
        }\r
\r
        // Update totals\r
        totalLiquidityStaked -= position.liquidityAmount;\r
        poolTotalLiquidity[poolId] -= position.liquidityAmount;\r
        totalActivePositions -= 1;\r
\r
        // Mark as inactive\r
        position.isActive = false;\r
\r
        emit PositionRemoved(msg.sender, poolId, block.timestamp);\r
    }\r
\r
    /**\r
     * @notice Claim pending rewards without removing position\r
     * @param poolId The Uniswap V4 pool ID\r
     */\r
    function claimRewards(bytes32 poolId) \r
        external \r
        nonReentrant \r
    {\r
        StakingPosition storage position = stakingPositions[msg.sender][poolId];\r
\r
        if (!position.isActive) revert PositionNotActive();\r
\r
        uint256 pendingRewards = calculatePendingRewards(msg.sender, poolId);\r
        if (pendingRewards == 0) return;\r
\r
        _claimRewards(msg.sender, poolId, pendingRewards);\r
    }\r
\r
    /**\r
     * @notice Internal function to process reward claims\r
     * @param user User address\r
     * @param poolId Pool ID\r
     * @param rewardAmount Amount of rewards to claim\r
     */\r
    function _claimRewards(address user, bytes32 poolId, uint256 rewardAmount) \r
        internal \r
    {\r
        StakingPosition storage position = stakingPositions[user][poolId];\r
\r
        // Check if enough rewards available\r
        if (totalRewardsDistributed + rewardAmount > totalRewardsAllocated) {\r
            revert InsufficientRewards();\r
        }\r
\r
        // Update position\r
        position.lastClaimAt = block.timestamp;\r
        position.totalClaimed += rewardAmount;\r
\r
        // Update totals\r
        totalRewardsDistributed += rewardAmount;\r
\r
        // Transfer rewards\r
        bool success = bpToken.transfer(user, rewardAmount);\r
        if (!success) revert TransferFailed();\r
\r
        emit RewardsClaimed(user, poolId, rewardAmount, block.timestamp);\r
    }\r
\r
    // ============================================\r
    // VIEW FUNCTIONS\r
    // ============================================\r
\r
    /**\r
     * @notice Calculate pending rewards for a position\r
     * @param user User address\r
     * @param poolId Pool ID\r
     * @return Pending reward amount in BP tokens\r
     */\r
    function calculatePendingRewards(address user, bytes32 poolId) \r
        public \r
        view \r
        returns (uint256) \r
    {\r
        StakingPosition memory position = stakingPositions[user][poolId];\r
\r
        if (!position.isActive) return 0;\r
\r
        // Calculate time staked since last claim\r
        uint256 timeStaked = block.timestamp - position.lastClaimAt;\r
\r
        // Cap at program end time\r
        if (block.timestamp > programEndTime) {\r
            if (position.lastClaimAt >= programEndTime) {\r
                return 0;\r
            }\r
            timeStaked = programEndTime - position.lastClaimAt;\r
        }\r
\r
        // Calculate rewards: (liquidity * APR * timeStaked) / (BASIS_POINTS * SECONDS_PER_YEAR)\r
        uint256 rewards = (position.liquidityAmount * aprBasisPoints * timeStaked) \r
            / (BASIS_POINTS * SECONDS_PER_YEAR);\r
\r
        return rewards;\r
    }\r
\r
    /**\r
     * @notice Get staking position details\r
     * @param user User address\r
     * @param poolId Pool ID\r
     * @return position Staking position struct\r
     */\r
    function getStakingPosition(address user, bytes32 poolId) \r
        external \r
        view \r
        returns (StakingPosition memory) \r
    {\r
        return stakingPositions[user][poolId];\r
    }\r
\r
    /**\r
     * @notice Get all supported pool IDs\r
     * @return Array of pool IDs\r
     */\r
    function getSupportedPools() \r
        external \r
        view \r
        returns (bytes32[] memory) \r
    {\r
        return supportedPools;\r
    }\r
\r
    /**\r
     * @notice Check if program is currently active\r
     * @return bool Whether program is active\r
     */\r
    function isProgramActive() \r
        external \r
        view \r
        returns (bool) \r
    {\r
        return block.timestamp >= programStartTime && block.timestamp < programEndTime;\r
    }\r
\r
    /**\r
     * @notice Get remaining rewards available\r
     * @return uint256 Remaining rewards in BP tokens\r
     */\r
    function getRemainingRewards() \r
        external \r
        view \r
        returns (uint256) \r
    {\r
        return totalRewardsAllocated - totalRewardsDistributed;\r
    }\r
\r
    /**\r
     * @notice Get pool statistics\r
     * @param poolId Pool ID\r
     * @return totalLiquidity Total liquidity in pool\r
     */\r
    function getPoolStats(bytes32 poolId) \r
        external \r
        view \r
        returns (uint256 totalLiquidity) \r
    {\r
        return poolTotalLiquidity[poolId];\r
    }\r
\r
    // ============================================\r
    // ADMIN FUNCTIONS\r
    // ============================================\r
\r
    /**\r
     * @notice Allocate BP tokens for rewards\r
     * @param amount Amount of BP tokens to allocate\r
     * @dev Owner must transfer tokens to this contract first\r
     */\r
    function allocateRewards(uint256 amount) \r
        external \r
        onlyOwner \r
    {\r
        totalRewardsAllocated += amount;\r
        emit RewardsAllocated(amount, block.timestamp);\r
    }\r
\r
    /**\r
     * @notice Add a new pool to support\r
     * @param poolId Uniswap V4 pool ID\r
     */\r
    function addPool(bytes32 poolId) \r
        external \r
        onlyOwner \r
    {\r
        _addPool(poolId);\r
    }\r
\r
    /**\r
     * @notice Internal function to add pool\r
     * @param poolId Pool ID to add\r
     */\r
    function _addPool(bytes32 poolId) \r
        internal \r
    {\r
        if (poolId == bytes32(0)) revert InvalidPoolId();\r
        if (isPoolSupported[poolId]) return; // Already added\r
\r
        supportedPools.push(poolId);\r
        isPoolSupported[poolId] = true;\r
\r
        emit PoolAdded(poolId, block.timestamp);\r
    }\r
\r
    /**\r
     * @notice Remove a pool from supported list\r
     * @param poolId Pool ID to remove\r
     */\r
    function removePool(bytes32 poolId) \r
        external \r
        onlyOwner \r
    {\r
        if (!isPoolSupported[poolId]) revert PoolNotSupported();\r
\r
        isPoolSupported[poolId] = false;\r
\r
        // Remove from array (expensive but rarely used)\r
        for (uint256 i = 0; i < supportedPools.length; i++) {\r
            if (supportedPools[i] == poolId) {\r
                supportedPools[i] = supportedPools[supportedPools.length - 1];\r
                supportedPools.pop();\r
                break;\r
            }\r
        }\r
\r
        emit PoolRemoved(poolId, block.timestamp);\r
    }\r
\r
    /**\r
     * @notice Extend the program duration\r
     * @param additionalDays Number of days to extend\r
     */\r
    function extendProgram(uint256 additionalDays) \r
        external \r
        onlyOwner \r
    {\r
        programEndTime += additionalDays * 1 days;\r
        emit ProgramExtended(programEndTime, block.timestamp);\r
    }\r
\r
    /**\r
     * @notice Update APR (only before program starts or after it ends)\r
     * @param newAprBasisPoints New APR in basis points\r
     */\r
    function updateAPR(uint256 newAprBasisPoints) \r
        external \r
        onlyOwner \r
    {\r
        require(\r
            block.timestamp < programStartTime || block.timestamp >= programEndTime,\r
            "Cannot update APR during active program"\r
        );\r
        aprBasisPoints = newAprBasisPoints;\r
    }\r
\r
    /**\r
     * @notice Pause the contract (admin only)\r
     */\r
    function pause() external onlyOwner {\r
        _pause();\r
    }\r
\r
    /**\r
     * @notice Unpause the contract (admin only)\r
     */\r
    function unpause() external onlyOwner {\r
        _unpause();\r
    }\r
\r
    /**\r
     * @notice Withdraw excess rewards after program ends\r
     * @param amount Amount to withdraw\r
     */\r
    function withdrawExcessRewards(uint256 amount) \r
        external \r
        onlyOwner \r
    {\r
        require(block.timestamp >= programEndTime, "Program not ended");\r
        \r
        uint256 excess = totalRewardsAllocated - totalRewardsDistributed;\r
        require(amount <= excess, "Amount exceeds excess");\r
        \r
        bool success = bpToken.transfer(owner(), amount);\r
        if (!success) revert TransferFailed();\r
    }\r
\r
    /**\r
     * @notice Emergency withdraw BP tokens (only after program ends)\r
     * @param amount Amount to withdraw\r
     */\r
    function emergencyWithdrawBP(uint256 amount) \r
        external \r
        onlyOwner \r
    {\r
        require(block.timestamp >= programEndTime, "Program not ended");\r
        bool success = bpToken.transfer(owner(), amount);\r
        if (!success) revert TransferFailed();\r
    }\r
}\r
"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "viaIR": true,
    "evmVersion": "paris",
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  }
}}