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// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.28;

import {SiloIncentivesControllerGaugeLike} from "./SiloIncentivesControllerGaugeLike.sol";
import {ISiloIncentivesControllerGaugeLikeFactory} from "./interfaces/ISiloIncentivesControllerGaugeLikeFactory.sol";

/// @dev Factory for creating SiloIncentivesControllerGaugeLike instances
contract SiloIncentivesControllerGaugeLikeFactory is ISiloIncentivesControllerGaugeLikeFactory {
    mapping(address => bool) public createdInFactory;

    /// @inheritdoc ISiloIncentivesControllerGaugeLikeFactory
    function createGaugeLike(
        address _owner,
        address _notifier,
        address _shareToken
    ) external returns (address gaugeLike) {
        gaugeLike = address(new SiloIncentivesControllerGaugeLike(_owner, _notifier, _shareToken));

        createdInFactory[gaugeLike] = true;

        emit GaugeLikeCreated(gaugeLike);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.28;

import {IERC20} from "openzeppelin5/token/ERC20/IERC20.sol";

import {IGaugeLike as IGauge} from "../interfaces/IGaugeLike.sol";
import {SiloIncentivesController} from "./SiloIncentivesController.sol";
import {ISiloIncentivesController} from "./interfaces/ISiloIncentivesController.sol";

/// @dev Silo incentives controller that can be used as a gauge in the Gauge hook receiver
contract SiloIncentivesControllerGaugeLike is SiloIncentivesController, IGauge {
    /// @notice Silo share token
    address public immutable SHARE_TOKEN;

    /// @notice Whether the gauge is killed
    /// @dev This flag is not used in the SiloIncentivesController, but it is used in the Gauge hook receiver.
    /// It was added for a backward compatibility with gauges.
    bool internal _isKilled;

    /// @param _owner The owner of the incentives controller
    /// @param _notifier The notifier (expected to be a hook receiver address)
    /// @param _siloShareToken The share token that is incentivized
    constructor(
        address _owner,
        address _notifier,
        address _siloShareToken
    ) SiloIncentivesController(_owner, _notifier) {
        require(_siloShareToken != address(0), EmptyShareToken());

        SHARE_TOKEN = _siloShareToken;
    }

    /// @inheritdoc ISiloIncentivesController
    function afterTokenTransfer(
        address _sender,
        uint256 _senderBalance,
        address _recipient,
        uint256 _recipientBalance,
        uint256 _totalSupply,
        uint256 _amount
    )
        public
        virtual
        override(SiloIncentivesController, IGauge)
        onlyNotifier
    {
        SiloIncentivesController.afterTokenTransfer(
            _sender, _senderBalance, _recipient, _recipientBalance, _totalSupply, _amount
        );
    }

    /// @inheritdoc IGauge
    function killGauge() external virtual onlyOwner {
        _isKilled = true;
        emit GaugeKilled();
    }

    /// @inheritdoc IGauge
    function unkillGauge() external virtual onlyOwner {
        _isKilled = false;
        emit GaugeUnKilled();
    }

    /// @inheritdoc IGauge
    // solhint-disable-next-line func-name-mixedcase
    function share_token() external view returns (address) {
        return SHARE_TOKEN;
    }

    /// @inheritdoc IGauge
    // solhint-disable-next-line func-name-mixedcase
    function is_killed() external view returns (bool) {
        return _isKilled;
    }

    function _shareToken() internal view override returns (IERC20 shareToken) {
        shareToken = IERC20(SHARE_TOKEN);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.28;

interface ISiloIncentivesControllerGaugeLikeFactory {
    event GaugeLikeCreated(address gaugeLike);

    /// @dev Creates a new SiloIncentivesControllerGaugeLike instance
    /// @param _owner The owner of the gauge
    /// @param _notifier The notifier of the gauge
    /// @param _shareToken The share token of the gauge
    /// @return The address of the new SiloIncentivesControllerGaugeLike instance
    function createGaugeLike(address _owner, address _notifier, address _shareToken) external returns (address);

    /// @dev Whether the gauge like was created in the factory
    function createdInFactory(address _gaugeLike) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (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
pragma solidity >=0.5.0;

interface IGaugeLike {
    event GaugeKilled();
    event GaugeUnKilled();

    error EmptyShareToken();

    function afterTokenTransfer(
        address _sender,
        uint256 _senderBalance,
        address _recipient,
        uint256 _recipientBalance,
        uint256 _totalSupply,
        uint256 _amount
    ) external;

    /// @notice Kills the gauge
    function killGauge() external;

    /// @notice Un kills the gauge
    function unkillGauge() external;

    // solhint-disable func-name-mixedcase
    function share_token() external view returns (address);

    function is_killed() external view returns (bool);
    // solhint-enable func-name-mixedcase
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.28;

import {SafeERC20} from "openzeppelin5/token/ERC20/utils/SafeERC20.sol";
import {IERC20} from "openzeppelin5/token/ERC20/IERC20.sol";
import {EnumerableSet} from "openzeppelin5/utils/structs/EnumerableSet.sol";
import {Strings} from "openzeppelin5/utils/Strings.sol";

import {ISiloIncentivesController} from "./interfaces/ISiloIncentivesController.sol";
import {BaseIncentivesController} from "./base/BaseIncentivesController.sol";
import {DistributionTypes} from "./lib/DistributionTypes.sol";

/**
 * @title SiloIncentivesController
 * @notice Distributor contract for rewards to the Aave protocol, using a staked token as rewards asset.
 * The contract stakes the rewards before redistributing them to the Aave protocol participants.
 * The reference staked token implementation is at https://github.com/aave/aave-stake-v2
 * @author Aave
 */
contract SiloIncentivesController is BaseIncentivesController {
    using EnumerableSet for EnumerableSet.Bytes32Set;
    using SafeERC20 for IERC20;

    /// @param _owner address of wallet that can manage the storage
    /// @param _notifier is contract with IERC20 interface with users balances, based based on which
    /// rewards distribution is calculated
    constructor(address _owner, address _notifier) BaseIncentivesController(_owner, _notifier) {}

    /// @inheritdoc ISiloIncentivesController
    function afterTokenTransfer(
        address _sender,
        uint256 _senderBalance,
        address _recipient,
        uint256 _recipientBalance,
        uint256 _totalSupply,
        uint256 _amount
    ) public virtual onlyNotifier {
        uint256 numberOfPrograms = _incentivesProgramIds.length();

        if (_sender == _recipient || numberOfPrograms == 0) {
            return;
        }

        // updating total supply and users balances to the state before the transfer

        if (_sender == address(0)) {
            // we minting tokens, so supply before was less
            // we safe, because this amount came from token, if token handle them we can handle as well
            unchecked { _totalSupply -= _amount; }
        } else if (_recipient == address(0)) {
            // we burning, so supply before was more
            // we safe, because this amount came from token, if token handle them we can handle as well
            unchecked { _totalSupply += _amount; }
        }

        // here user either transferring token to someone else or burning tokens
        // user state will be new, because this event is `onAfterTransfer`
        // we need to recreate status before event in order to automatically calculate rewards
        if (_sender != address(0)) {
            // we safe, because this amount came from token, if token handle them we can handle as well
            unchecked { _senderBalance = _senderBalance + _amount; }
        }

        // we have to checkout also user `_recipient`
        if (_recipient != address(0)) {
            // we safe, because this amount came from token, if token handle them we can handle as well
            unchecked { _recipientBalance = _recipientBalance - _amount; }
        }

        // iterate over incentives programs
        for (uint256 i = 0; i < numberOfPrograms; i++) {
            bytes32 programId = _incentivesProgramIds.at(i);

            if (_sender != address(0)) {
                _handleAction(programId, _sender, _totalSupply, _senderBalance);
            }

            if (_recipient != address(0)) {
                _handleAction(programId, _recipient, _totalSupply, _recipientBalance);
            }
        }
    }

    /// @inheritdoc ISiloIncentivesController
    function immediateDistribution(address _tokenToDistribute, uint104 _amount) external virtual onlyNotifier {
        if (_amount == 0) return;

        uint256 totalStaked = _shareToken().totalSupply();

        bytes32 programId = _getOrCreateImmediateDistributionProgram(_tokenToDistribute);

        IncentivesProgram storage program = incentivesPrograms[programId];

        // Update the program's internal state to guarantee that further actions will not break it.
        _updateAssetStateInternal(programId, totalStaked);

        uint40 distributionEndBefore = program.distributionEnd;
        uint104 emissionPerSecondBefore = program.emissionPerSecond;

        // Distributing `_amount` of rewards in one second allows the rewards to be added to users' balances
        // even to the active incentives program.
        program.distributionEnd = uint40(block.timestamp);  
        program.lastUpdateTimestamp = uint40(block.timestamp - 1);
        program.emissionPerSecond = _amount;

        _updateAssetStateInternal(programId, totalStaked);

        // If we have ongoing distribution, we need to revert the changes and keep the state as it was.
        program.distributionEnd = distributionEndBefore;
        program.lastUpdateTimestamp = uint40(block.timestamp);
        program.emissionPerSecond = emissionPerSecondBefore;
    }

    /// @inheritdoc ISiloIncentivesController
    function rescueRewards(address _rewardToken) external onlyOwner {
        IERC20(_rewardToken).safeTransfer(msg.sender, IERC20(_rewardToken).balanceOf(address(this)));
    }

    /// @dev Creates a new immediate distribution program if it does not exist.
    /// @param _tokenToDistribute The address of the token to distribute.
    /// @return programId The ID of the created or existing program.
    function _getOrCreateImmediateDistributionProgram(address _tokenToDistribute)
        internal
        virtual
        returns (bytes32 programId)
    {
        programId = _getProgramIdForAddress(_tokenToDistribute);

        if (incentivesPrograms[programId].lastUpdateTimestamp == 0) {
            _isImmediateDistributionProgram[programId] = true;

            DistributionTypes.IncentivesProgramCreationInput memory _incentivesProgramInput;

            _incentivesProgramInput.name = Strings.toHexString(_tokenToDistribute);
            _incentivesProgramInput.rewardToken = _tokenToDistribute;
            _incentivesProgramInput.emissionPerSecond = 0;
            _incentivesProgramInput.distributionEnd = 0;

            _createIncentiveProgram(programId, _incentivesProgramInput);
        }
    }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.28;

import {IDistributionManager} from "./IDistributionManager.sol";
import {DistributionTypes} from "../lib/DistributionTypes.sol";

interface ISiloIncentivesController is IDistributionManager {
    event ClaimerSet(address indexed user, address indexed claimer);
    event IncentivesProgramCreated(string name);
    event IncentivesProgramUpdated(string name);

    event RewardsAccrued(
        address indexed user,
        address indexed rewardToken,
        string indexed programName,
        uint256 amount
    );

    event RewardsClaimed(
        address indexed user,
        address indexed to,
        address indexed rewardToken,
        bytes32 programId,
        address claimer,
        uint256 amount
    );

    error InvalidDistributionEnd();
    error InvalidConfiguration();
    error IndexOverflowAtEmissionsPerSecond();
    error InvalidToAddress();
    error InvalidUserAddress();
    error ClaimerUnauthorized();
    error InvalidRewardToken();
    error IncentivesProgramAlreadyExists();
    error IncentivesProgramNotFound();
    error DifferentRewardsTokens();
    error EmissionPerSecondTooHigh();

    /**
     * @dev Silo share token event handler
     * @param _sender The address of the sender
     * @param _senderBalance The balance of the sender
     * @param _recipient The address of the recipient
     * @param _recipientBalance The balance of the recipient
     * @param _totalSupply The total supply of the asset in the lending pool
     * @param _amount The amount of the transfer
     */
    function afterTokenTransfer(
        address _sender,
        uint256 _senderBalance,
        address _recipient,
        uint256 _recipientBalance,
        uint256 _totalSupply,
        uint256 _amount
    ) external;

    /**
     * @dev Immediately distributes rewards to the incentives program
     * Expect an `_amount` to be transferred to the contract before calling this fn
     * @param _tokenToDistribute The token to distribute
     * @param _amount The amount of rewards to distribute
     */
    function immediateDistribution(address _tokenToDistribute, uint104 _amount) external;

    /// @dev It will transfer all the reward token balance to the owner.
    /// @param _rewardToken The reward token to rescue
    function rescueRewards(address _rewardToken) external;

    /**
     * @dev Whitelists an address to claim the rewards on behalf of another address
     * @param _user The address of the user
     * @param _claimer The address of the claimer
     */
    function setClaimer(address _user, address _claimer) external;

    /**
     * @dev Creates a new incentives program
     * @param _incentivesProgramInput The incentives program creation input
     */
    function createIncentivesProgram(DistributionTypes.IncentivesProgramCreationInput memory _incentivesProgramInput)
        external;

    /**
     * @dev Updates an existing incentives program
     * @param _incentivesProgram The incentives program name
     * @param _distributionEnd The distribution end
     * @param _emissionPerSecond The emission per second
     */
    function updateIncentivesProgram(
        string calldata _incentivesProgram,
        uint40 _distributionEnd,
        uint104 _emissionPerSecond
    ) external;

    /**
     * @dev Claims reward for an user to the desired address, on all the assets of the lending pool,
     * accumulating the pending rewards
     * @param _to Address that will be receiving the rewards
     * @return accruedRewards
     */
    function claimRewards(address _to) external returns (AccruedRewards[] memory accruedRewards);

    /**
     * @dev Claims reward for an user to the desired address, on all the assets of the lending pool,
     * accumulating the pending rewards
     * @param _to Address that will be receiving the rewards
     * @param _programNames The incentives program names
     * @return accruedRewards
     */
    function claimRewards(address _to, string[] calldata _programNames)
        external
        returns (AccruedRewards[] memory accruedRewards);

    /**
     * @dev Claims reward for an user on behalf, on all the assets of the lending pool, accumulating the pending
     * rewards. The caller must be whitelisted via "allowClaimOnBehalf" function by the RewardsAdmin role manager
     * @param _user Address to check and claim rewards
     * @param _to Address that will be receiving the rewards
     * @param _programNames The incentives program names
     * @return accruedRewards
     */
    function claimRewardsOnBehalf(address _user, address _to, string[] calldata _programNames)
        external
        returns (AccruedRewards[] memory accruedRewards);

    /**
     * @dev Returns the whitelisted claimer for a certain address (0x0 if not set)
     * @param _user The address of the user
     * @return The claimer address
     */
    function getClaimer(address _user) external view returns (address);

    /**
     * @dev Returns the total of rewards of an user, already accrued + not yet accrued
     * @param _user The address of the user
     * @param _programName The incentives program name
     * @return unclaimedRewards
     */
    function getRewardsBalance(address _user, string calldata _programName)
        external
        view
        returns (uint256 unclaimedRewards);

    /**
     * @dev Returns the total of rewards of an user, already accrued + not yet accrued
     * @param _user The address of the user
     * @param _programNames The incentives program names (should have the same rewards token)
     * @return unclaimedRewards
     */
    function getRewardsBalance(address _user, string[] calldata _programNames)
        external
        view
        returns (uint256 unclaimedRewards);

    /**
     * @dev returns the unclaimed rewards of the user
     * @param _user the address of the user
     * @param _programName The incentives program name
     * @return the unclaimed user rewards
     */
    function getUserUnclaimedRewards(address _user, string calldata _programName) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
import {Address} from "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC-20 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;

    /**
     * @dev An operation with an ERC-20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            safeTransfer(token, to, value);
        } else if (!token.transferAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
     * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferFromAndCallRelaxed(
        IERC1363 token,
        address from,
        address to,
        uint256 value,
        bytes memory data
    ) internal {
        if (to.code.length == 0) {
            safeTransferFrom(token, from, to, value);
        } else if (!token.transferFromAndCall(from, to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
     * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
     * once without retrying, and relies on the returned value to be true.
     *
     * Reverts if the returned value is other than `true`.
     */
    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            forceApprove(token, to, value);
        } else if (!token.approveAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @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);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @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).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // 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 cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.20;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position is the index of the value in the `values` array plus 1.
        // Position 0 is used to mean a value is not in the set.
        mapping(bytes32 value => uint256) _positions;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._positions[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We cache the value's position to prevent multiple reads from the same storage slot
        uint256 position = set._positions[value];

        if (position != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 valueIndex = position - 1;
            uint256 lastIndex = set._values.length - 1;

            if (valueIndex != lastIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the lastValue to the index where the value to delete is
                set._values[valueIndex] = lastValue;
                // Update the tracked position of the lastValue (that was just moved)
                set._positions[lastValue] = position;
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the tracked position for the deleted slot
            delete set._positions[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._positions[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

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

pragma solidity ^0.8.20;

import {Math} from "./math/Math.sol";
import {SignedMath} from "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant HEX_DIGITS = "0123456789abcdef";
    uint8 private constant ADDRESS_LENGTH = 20;

    /**
     * @dev The `value` string doesn't fit in the specified `length`.
     */
    error StringsInsufficientHexLength(uint256 value, uint256 length);

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toStringSigned(int256 value) internal pure returns (string memory) {
        return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value)));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        uint256 localValue = value;
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = HEX_DIGITS[localValue & 0xf];
            localValue >>= 4;
        }
        if (localValue != 0) {
            revert StringsInsufficientHexLength(value, length);
        }
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal
     * representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.28;

import {IERC20} from "openzeppelin5/token/ERC20/IERC20.sol";
import {SafeERC20} from "openzeppelin5/token/ERC20/utils/SafeERC20.sol";
import {EnumerableSet} from "openzeppelin5/utils/structs/EnumerableSet.sol";

import {DistributionTypes} from "../lib/DistributionTypes.sol";
import {DistributionManager} from "./DistributionManager.sol";
import {ISiloIncentivesController} from "../interfaces/ISiloIncentivesController.sol";

/**
 * @title BaseIncentivesController
 * @notice Abstract contract template to build Distributors contracts for ERC20 rewards to protocol participants
 * @author Aave
  */
abstract contract BaseIncentivesController is DistributionManager, ISiloIncentivesController {
    using EnumerableSet for EnumerableSet.Bytes32Set;
    using SafeERC20 for IERC20;

    uint256 public constant MAX_EMISSION_PER_SECOND = 1e30;

    mapping(address user => mapping(bytes32 programId => uint256 unclaimedRewards)) internal _usersUnclaimedRewards;

    // this mapping allows whitelisted addresses to claim on behalf of others
    // useful for contracts that hold tokens to be rewarded but don't have any native logic to claim Liquidity Mining
    // rewards
    mapping(address user => address claimer) internal _authorizedClaimers;

    modifier onlyAuthorizedClaimers(address claimer, address user) {
        if (_authorizedClaimers[user] != claimer) revert ClaimerUnauthorized();

        _;
    }

    modifier inputsValidation(address _user, address _to) {
        if (_user == address(0)) revert InvalidUserAddress();
        if (_to == address(0)) revert InvalidToAddress();

        _;
    }

    constructor(address _owner, address _notifier) DistributionManager(_owner, _notifier) {}

    /// @inheritdoc ISiloIncentivesController
    function createIncentivesProgram(DistributionTypes.IncentivesProgramCreationInput memory _incentivesProgramInput)
        external
        virtual
        onlyOwner
    {
        uint256 programNameLength = bytes(_incentivesProgramInput.name).length;

        require(programNameLength <= 32, TooLongProgramName());
        require(_incentivesProgramInput.emissionPerSecond < MAX_EMISSION_PER_SECOND, EmissionPerSecondTooHigh());
        require(_incentivesProgramInput.distributionEnd >= block.timestamp, InvalidDistributionEnd());

        bytes32 programId = getProgramId(_incentivesProgramInput.name);

        _createIncentiveProgram(programId, _incentivesProgramInput);
    }

    /// @inheritdoc ISiloIncentivesController
    function updateIncentivesProgram(
        string calldata _incentivesProgram,
        uint40 _distributionEnd,
        uint104 _emissionPerSecond
    ) external virtual onlyOwner {
        require(_distributionEnd >= block.timestamp, InvalidDistributionEnd());
        require(_emissionPerSecond < MAX_EMISSION_PER_SECOND, EmissionPerSecondTooHigh());

        bytes32 programId = getProgramId(_incentivesProgram);

        require(_incentivesProgramIds.contains(programId), IncentivesProgramNotFound());

        uint256 totalSupply = _shareToken().totalSupply();

        _updateAssetStateInternal(programId, totalSupply);

        incentivesPrograms[programId].distributionEnd = _distributionEnd;
        incentivesPrograms[programId].emissionPerSecond = _emissionPerSecond;

        emit IncentivesProgramUpdated(_incentivesProgram);
    }

    /// @inheritdoc ISiloIncentivesController
    function getRewardsBalance(address _user, string calldata _programName)
        external
        view
        virtual
        returns (uint256 unclaimedRewards)
    {
        bytes32 programId = getProgramId(_programName);

        (uint256 stakedByUser, uint256 totalStaked) = _getScaledUserBalanceAndSupply(_user);

        unclaimedRewards = _getRewardsBalance(_user, programId, stakedByUser, totalStaked);
    }

    /// @inheritdoc ISiloIncentivesController
    function getRewardsBalance(address _user, string[] calldata _programNames)
        external
        view
        virtual
        returns (uint256 unclaimedRewards)
    {
        address rewardsToken;

        (uint256 stakedByUser, uint256 totalStaked) = _getScaledUserBalanceAndSupply(_user);

        for (uint256 i = 0; i < _programNames.length; i++) {
            bytes32 programId = getProgramId(_programNames[i]);

            address programRewardsToken = incentivesPrograms[programId].rewardToken;

            if (rewardsToken == address(0)) {
                rewardsToken = programRewardsToken;
            } else if (rewardsToken != programRewardsToken) {
                revert DifferentRewardsTokens();
            }

            unclaimedRewards += _getRewardsBalance(_user, programId, stakedByUser, totalStaked);
        }
    }

    /// @dev Internal function to get the rewards balance for a user and a program
    function _getRewardsBalance(address _user, bytes32 _programId, uint256 _stakedByUser, uint256 _totalStaked)
        internal
        view
        virtual
        returns (uint256 unclaimedRewards)
    {
        unclaimedRewards = _usersUnclaimedRewards[_user][_programId];
        unclaimedRewards += _getUnclaimedRewards(_programId, _user, _stakedByUser, _totalStaked);
    }

    /// @inheritdoc ISiloIncentivesController
    function claimRewards(address _to) external virtual returns (AccruedRewards[] memory accruedRewards) {
        if (_to == address(0)) revert InvalidToAddress();

        accruedRewards = _accrueRewards(msg.sender);
        _claimRewards(msg.sender, msg.sender, _to, accruedRewards);
    }

    /// @inheritdoc ISiloIncentivesController
    function claimRewards(address _to, string[] calldata _programNames)
        external
        virtual
        returns (AccruedRewards[] memory accruedRewards)
    {
        if (_to == address(0)) revert InvalidToAddress();

        bytes32[] memory programIds = _getProgramsIds(_programNames);

        _requireExistingPrograms(programIds);

        accruedRewards = _accrueRewardsForPrograms(msg.sender, programIds);
        _claimRewards(msg.sender, msg.sender, _to, accruedRewards);
    }

    /// @inheritdoc ISiloIncentivesController
    function claimRewardsOnBehalf(address _user, address _to, string[] calldata _programNames)
        external
        virtual
        onlyAuthorizedClaimers(msg.sender, _user)
        inputsValidation(_user, _to)
        returns (AccruedRewards[] memory accruedRewards)
    {
        bytes32[] memory programIds = _getProgramsIds(_programNames);

        _requireExistingPrograms(programIds);

        accruedRewards = _accrueRewardsForPrograms(_user, programIds);
        _claimRewards(msg.sender, _user, _to, accruedRewards);
    }

    /// @inheritdoc ISiloIncentivesController
    function setClaimer(address _user, address _caller) external virtual onlyOwner {
        require(_user != address(0), ZeroAddress());
        require(_caller != address(0), ZeroAddress());

        _authorizedClaimers[_user] = _caller;
        emit ClaimerSet(_user, _caller);
    }

    /// @inheritdoc ISiloIncentivesController
    function getClaimer(address _user) external view virtual returns (address) {
        return _authorizedClaimers[_user];
    }

    /// @inheritdoc ISiloIncentivesController
    function getUserUnclaimedRewards(address _user, string calldata _programName)
        external
        view
        virtual
        returns (uint256)
    {
        bytes32 programId = getProgramId(_programName);
        return _usersUnclaimedRewards[_user][programId];
    }

    /**
     * @dev Called by the corresponding asset on any update that affects the rewards distribution
     * @param _incentivesProgramId The id of the incentives program being updated
     * @param _user The address of the user
     * @param _totalSupply The total supply of the asset in the lending pool
     * @param _userBalance The balance of the user of the asset in the lending pool
     */
    function _handleAction(
        bytes32 _incentivesProgramId,
        address _user,
        uint256 _totalSupply,
        uint256 _userBalance
    ) internal virtual {
        uint256 accruedRewards = _updateUserAssetInternal(_incentivesProgramId, _user, _userBalance, _totalSupply);

        if (accruedRewards != 0) {
            uint256 newUnclaimedRewards = _usersUnclaimedRewards[_user][_incentivesProgramId] + accruedRewards;
            _usersUnclaimedRewards[_user][_incentivesProgramId] = newUnclaimedRewards;

            emit RewardsAccrued(
                _user,
                incentivesPrograms[_incentivesProgramId].rewardToken,
                getProgramName(_incentivesProgramId),
                newUnclaimedRewards
            );
        }
    }

    /**
     * @dev Claims rewards on the user's behalf, on all the assets of the lending pool, accumulating the pending rewards
     * @param claimer Address to check and claim rewards
     * @param user Address to check and claim rewards
     * @param to Address that will be receiving the rewards
     */
    function _claimRewards(
        address claimer,
        address user,
        address to,
        AccruedRewards[] memory accruedRewards
    ) internal virtual {
        for (uint256 i = 0; i < accruedRewards.length; i++) {
            uint256 unclaimedRewards = _usersUnclaimedRewards[user][accruedRewards[i].programId];

            uint256 amountToClaim = accruedRewards[i].amount + unclaimedRewards;

            if (amountToClaim != 0) {
                if (accruedRewards[i].amount != 0) {
                    emit RewardsAccrued(
                        user,
                        accruedRewards[i].rewardToken,
                        getProgramName(accruedRewards[i].programId),
                        accruedRewards[i].amount
                    );
                }

                _usersUnclaimedRewards[user][accruedRewards[i].programId] = 0;

                _transferRewards(accruedRewards[i].rewardToken, to, amountToClaim);

                emit RewardsClaimed(
                    user,
                    to,
                    accruedRewards[i].rewardToken,
                    accruedRewards[i].programId,
                    claimer,
                    amountToClaim
                );

                // updating the accrued rewards amount to include unclaimed rewards
                accruedRewards[i].amount = amountToClaim;
            }
        }
    }

    /**
     * @dev Creates a new incentive program
     * @param _incentivesProgramInput The incentives program creation input
     */
    function _createIncentiveProgram(
        bytes32 _programId,
        DistributionTypes.IncentivesProgramCreationInput memory _incentivesProgramInput
    ) internal virtual {
        require(_incentivesProgramInput.rewardToken != address(0), InvalidRewardToken());
        require(_incentivesProgramIds.add(_programId), IncentivesProgramAlreadyExists());

        incentivesPrograms[_programId].rewardToken = _incentivesProgramInput.rewardToken;
        incentivesPrograms[_programId].distributionEnd = _incentivesProgramInput.distributionEnd;
        incentivesPrograms[_programId].emissionPerSecond = _incentivesProgramInput.emissionPerSecond;
        incentivesPrograms[_programId].lastUpdateTimestamp = uint40(block.timestamp);

        emit IncentivesProgramCreated(_incentivesProgramInput.name);
    }

    /**
     * @dev Checks if the programs exist
     * Reverts if any of the programs does not exist in the `_incentivesProgramIds` list
     * @param _programIds The program ids
     */
    function _requireExistingPrograms(bytes32[] memory _programIds) internal view virtual {
        for (uint256 i = 0; i < _programIds.length; i++) {
            require(_incentivesProgramIds.contains(_programIds[i]), IncentivesProgramNotFound());
        }
    }

    /**
     * @dev Returns the program ids for a list of program names
     * @param _programNames The program names
     * @return programIds The program ids
     */
    function _getProgramsIds(string[] calldata _programNames)
        internal
        pure
        virtual
        returns (bytes32[] memory programIds)
    {
        programIds = new bytes32[](_programNames.length);

        for (uint256 i = 0; i < _programNames.length; i++) {
            programIds[i] = getProgramId(_programNames[i]);
        }
    }

    /**
     * @dev Abstract function to transfer rewards to the desired account
     * @param rewardToken Reward token address
     * @param to Account address to send the rewards
     * @param amount Amount of rewards to transfer
     */
    function _transferRewards(address rewardToken, address to, uint256 amount) internal virtual {
        IERC20(rewardToken).safeTransfer(to, amount);
    }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.28;

library DistributionTypes {
    struct IncentivesProgramCreationInput {
        string name;
        address rewardToken;
        uint104 emissionPerSecond;
        uint40 distributionEnd;
    }

    struct AssetConfigInput {
        uint104 emissionPerSecond;
        uint256 totalStaked;
        address underlyingAsset;
    }

    struct UserStakeInput {
        address underlyingAsset;
        uint256 stakedByUser;
        uint256 totalStaked;
    }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.28;

import {DistributionTypes} from "../lib/DistributionTypes.sol";

interface IDistributionManager {
    struct IncentivesProgram {
        uint256 index;
        address rewardToken; // can't be updated after creation
        uint104 emissionPerSecond; // configured by owner
        uint40 lastUpdateTimestamp;
        uint40 distributionEnd; // configured by owner
        mapping(address user => uint256 userIndex) users;
    }

    struct IncentiveProgramDetails {
        uint256 index;
        address rewardToken;
        uint104 emissionPerSecond;
        uint40 lastUpdateTimestamp;
        uint40 distributionEnd;
    }

    struct AccruedRewards {
        uint256 amount;
        bytes32 programId;
        address rewardToken;
    }

    event AssetConfigUpdated(address indexed asset, uint256 emission);
    event AssetIndexUpdated(address indexed asset, uint256 index);
    event DistributionEndUpdated(string incentivesProgram, uint256 newDistributionEnd);
    event IncentivesProgramIndexUpdated(string incentivesProgram, uint256 newIndex);
    event UserIndexUpdated(address indexed user, string incentivesProgram, uint256 newIndex);

    error OnlyNotifier();
    error TooLongProgramName();
    error InvalidIncentivesProgramName();
    error OnlyNotifierOrOwner();
    error ZeroAddress();

    /**
     * @dev Sets the end date for the distribution
     * @param _incentivesProgram The incentives program name
     * @param _distributionEnd The end date timestamp
     */
    function setDistributionEnd(string calldata _incentivesProgram, uint40 _distributionEnd) external;

    /**
     * @dev Gets the end date for the distribution  
     * @param _incentivesProgram The incentives program name
     * @return The end of the distribution
     */
    function getDistributionEnd(string calldata _incentivesProgram) external view returns (uint256);

    /**
     * @dev Returns the data of an user on a distribution
     * @param _user Address of the user
     * @param _incentivesProgram The incentives program name
     * @return The new index
     */
    function getUserData(address _user, string calldata _incentivesProgram) external view returns (uint256);

    /**
     * @dev Returns the configuration of the distribution for a certain incentives program
     * @param _incentivesProgram The incentives program name
     * @return details The configuration of the incentives program
     */
    function incentivesProgram(string calldata _incentivesProgram)
        external
        view
        returns (IncentiveProgramDetails memory details);

    /**
     * @dev Returns the program id for the given program name.
     * This method TRUNCATES the program name to 32 bytes.
     * If provided strings only differ after the 32nd byte they would result in the same ProgramId.
     * Ensure to use inputs that will result in 32 bytes or less.
     * @param _programName The incentives program name
     * @return programId
     */
    function getProgramId(string calldata _programName) external pure returns (bytes32 programId);

    /**
     * @dev returns the names of all the incentives programs
     * @return programsNames the names of all the incentives programs
     */
    function getAllProgramsNames() external view returns (string[] memory programsNames);

    /**
     * @dev returns the name of an incentives program
     * @param _programName the name (bytes32) of the incentives program
     * @return programName the name (string) of the incentives program
     */
    function getProgramName(bytes32 _programName) external view returns (string memory programName);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1363.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";

/**
 * @title IERC1363
 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
 *
 * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
 * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
 */
interface IERC1363 is IERC20, IERC165 {
    /*
     * Note: the ERC-165 identifier for this interface is 0xb0202a11.
     * 0xb0202a11 ===
     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
     */

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}

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

pragma solidity ^0.8.20;

import {Errors} from "./Errors.sol";

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert Errors.InsufficientBalance(address(this).balance, amount);
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert Errors.FailedCall();
        }
    }

    /**
     * @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 or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {Errors.FailedCall} error.
     *
     * 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.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @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`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case
     * of an unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {Errors.FailedCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}.
     */
    function _revert(bytes memory returndata) 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 Errors.FailedCall();
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

import {Panic} from "../Panic.sol";
import {SafeCast} from "./SafeCast.sol";

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an success flag (no overflow).
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a success flag (no division by zero).
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }

        // The following calculation ensures accurate ceiling division without overflow.
        // Since a is non-zero, (a - 1) / b will not overflow.
        // The largest possible result occurs when (a - 1) / b is type(uint256).max,
        // but the largest value we can obtain is type(uint256).max - 1, which happens
        // when a = type(uint256).max and b = 1.
        unchecked {
            return a == 0 ? 0 : (a - 1) / b + 1;
        }
    }

    /**
     * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
     * denominator == 0.
     *
     * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
     * Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2²⁵⁶ + prod0.
            uint256 prod0 = x * y; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.
            if (denominator <= prod1) {
                Panic.panic(denominator == 0 ? Panic.DIVISION_BY_ZERO : Panic.UNDER_OVERFLOW);
            }

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.
            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.

            uint256 twos = denominator & (0 - denominator);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such
            // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv ≡ 1 mod 2⁴.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
            // works in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2⁸
            inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶
            inverse *= 2 - denominator * inverse; // inverse mod 2³²
            inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴
            inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸
            inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is
            // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @dev Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);
    }

    /**
     * @dev Calculate the modular multiplicative inverse of a number in Z/nZ.
     *
     * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, expect 0.
     * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.
     *
     * If the input value is not inversible, 0 is returned.
     *
     * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Ferma's little theorem and get the
     * inverse using `Math.modExp(a, n - 2, n)`.
     */
    function invMod(uint256 a, uint256 n) internal pure returns (uint256) {
        unchecked {
            if (n == 0) return 0;

            // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)
            // Used to compute integers x and y such that: ax + ny = gcd(a, n).
            // When the gcd is 1, then the inverse of a modulo n exists and it's x.
            // ax + ny = 1
            // ax = 1 + (-y)n
            // ax ≡ 1 (mod n) # x is the inverse of a modulo n

            // If the remainder is 0 the gcd is n right away.
            uint256 remainder = a % n;
            uint256 gcd = n;

            // Therefore the initial coefficients are:
            // ax + ny = gcd(a, n) = n
            // 0a + 1n = n
            int256 x = 0;
            int256 y = 1;

            while (remainder != 0) {
                uint256 quotient = gcd / remainder;

                (gcd, remainder) = (
                    // The old remainder is the next gcd to try.
                    remainder,
                    // Compute the next remainder.
                    // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd
                    // where gcd is at most n (capped to type(uint256).max)
                    gcd - remainder * quotient
                );

                (x, y) = (
                    // Increment the coefficient of a.
                    y,
                    // Decrement the coefficient of n.
                    // Can overflow, but the result is casted to uint256 so that the
                    // next value of y is "wrapped around" to a value between 0 and n - 1.
                    x - y * int256(quotient)
                );
            }

            if (gcd != 1) return 0; // No inverse exists.
            return x < 0 ? (n - uint256(-x)) : uint256(x); // Wrap the result if it's negative.
        }
    }

    /**
     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)
     *
     * Requirements:
     * - modulus can't be zero
     * - underlying staticcall to precompile must succeed
     *
     * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make
     * sure the chain you're using it on supports the precompiled contract for modular exponentiation
     * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,
     * the underlying function will succeed given the lack of a revert, but the result may be incorrectly
     * interpreted as 0.
     */
    function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {
        (bool success, uint256 result) = tryModExp(b, e, m);
        if (!success) {
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }
        return result;
    }

    /**
     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).
     * It includes a success flag indicating if the operation succeeded. Operation will be marked has failed if trying
     * to operate modulo 0 or if the underlying precompile reverted.
     *
     * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain
     * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in
     * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack
     * of a revert, but the result may be incorrectly interpreted as 0.
     */
    function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {
        if (m == 0) return (false, 0);
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            // | Offset    | Content    | Content (Hex)                                                      |
            // |-----------|------------|--------------------------------------------------------------------|
            // | 0x00:0x1f | size of b  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x20:0x3f | size of e  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x40:0x5f | size of m  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x60:0x7f | value of b | 0x<.............................................................b> |
            // | 0x80:0x9f | value of e | 0x<.............................................................e> |
            // | 0xa0:0xbf | value of m | 0x<.............................................................m> |
            mstore(ptr, 0x20)
            mstore(add(ptr, 0x20), 0x20)
            mstore(add(ptr, 0x40), 0x20)
            mstore(add(ptr, 0x60), b)
            mstore(add(ptr, 0x80), e)
            mstore(add(ptr, 0xa0), m)

            // Given the result < m, it's guaranteed to fit in 32 bytes,
            // so we can use the memory scratch space located at offset 0.
            success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)
            result := mload(0x00)
        }
    }

    /**
     * @dev Variant of {modExp} that supports inputs of arbitrary length.
     */
    function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {
        (bool success, bytes memory result) = tryModExp(b, e, m);
        if (!success) {
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }
        return result;
    }

    /**
     * @dev Variant of {tryModExp} that supports inputs of arbitrary length.
     */
    function tryModExp(
        bytes memory b,
        bytes memory e,
        bytes memory m
    ) internal view returns (bool success, bytes memory result) {
        if (_zeroBytes(m)) return (false, new bytes(0));

        uint256 mLen = m.length;

        // Encode call args in result and move the free memory pointer
        result = abi.encodePacked(b.length, e.length, mLen, b, e, m);

        /// @solidity memory-safe-assembly
        assembly {
            let dataPtr := add(result, 0x20)
            // Write result on top of args to avoid allocating extra memory.
            success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)
            // Overwrite the length.
            // result.length > returndatasize() is guaranteed because returndatasize() == m.length
            mstore(result, mLen)
            // Set the memory pointer after the returned data.
            mstore(0x40, add(dataPtr, mLen))
        }
    }

    /**
     * @dev Returns whether the provided byte array is zero.
     */
    function _zeroBytes(bytes memory byteArray) private pure returns (bool) {
        for (uint256 i = 0; i < byteArray.length; ++i) {
            if (byteArray[i] != 0) {
                return false;
            }
        }
        return true;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
     * towards zero.
     *
     * This method is based on Newton's method for computing square roots; the algorithm is restricted to only
     * using integer operations.
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        unchecked {
            // Take care of easy edge cases when a == 0 or a == 1
            if (a <= 1) {
                return a;
            }

            // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a
            // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between
            // the current value as `ε_n = | x_n - sqrt(a) |`.
            //
            // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root
            // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is
            // bigger than any uint256.
            //
            // By noticing that
            // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`
            // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar
            // to the msb function.
            uint256 aa = a;
            uint256 xn = 1;

            if (aa >= (1 << 128)) {
                aa >>= 128;
                xn <<= 64;
            }
            if (aa >= (1 << 64)) {
                aa >>= 64;
                xn <<= 32;
            }
            if (aa >= (1 << 32)) {
                aa >>= 32;
                xn <<= 16;
            }
            if (aa >= (1 << 16)) {
                aa >>= 16;
                xn <<= 8;
            }
            if (aa >= (1 << 8)) {
                aa >>= 8;
                xn <<= 4;
            }
            if (aa >= (1 << 4)) {
                aa >>= 4;
                xn <<= 2;
            }
            if (aa >= (1 << 2)) {
                xn <<= 1;
            }

            // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).
            //
            // We can refine our estimation by noticing that the middle of that interval minimizes the error.
            // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).
            // This is going to be our x_0 (and ε_0)
            xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)

            // From here, Newton's method give us:
            // x_{n+1} = (x_n + a / x_n) / 2
            //
            // One should note that:
            // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a
            //              = ((x_n² + a) / (2 * x_n))² - a
            //              = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a
            //              = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)
            //              = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)
            //              = (x_n² - a)² / (2 * x_n)²
            //              = ((x_n² - a) / (2 * x_n))²
            //              ≥ 0
            // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n
            //
            // This gives us the proof of quadratic convergence of the sequence:
            // ε_{n+1} = | x_{n+1} - sqrt(a) |
            //         = | (x_n + a / x_n) / 2 - sqrt(a) |
            //         = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |
            //         = | (x_n - sqrt(a))² / (2 * x_n) |
            //         = | ε_n² / (2 * x_n) |
            //         = ε_n² / | (2 * x_n) |
            //
            // For the first iteration, we have a special case where x_0 is known:
            // ε_1 = ε_0² / | (2 * x_0) |
            //     ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))
            //     ≤ 2**(2*e-4) / (3 * 2**(e-1))
            //     ≤ 2**(e-3) / 3
            //     ≤ 2**(e-3-log2(3))
            //     ≤ 2**(e-4.5)
            //
            // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:
            // ε_{n+1} = ε_n² / | (2 * x_n) |
            //         ≤ (2**(e-k))² / (2 * 2**(e-1))
            //         ≤ 2**(2*e-2*k) / 2**e
            //         ≤ 2**(e-2*k)
            xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5)  -- special case, see above
            xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9)    -- general case with k = 4.5
            xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18)   -- general case with k = 9
            xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36)   -- general case with k = 18
            xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72)   -- general case with k = 36
            xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144)  -- general case with k = 72

            // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision
            // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either
            // sqrt(a) or sqrt(a) + 1.
            return xn - SafeCast.toUint(xn > a / xn);
        }
    }

    /**
     * @dev Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        uint256 exp;
        unchecked {
            exp = 128 * SafeCast.toUint(value > (1 << 128) - 1);
            value >>= exp;
            result += exp;

            exp = 64 * SafeCast.toUint(value > (1 << 64) - 1);
            value >>= exp;
            result += exp;

            exp = 32 * SafeCast.toUint(value > (1 << 32) - 1);
            value >>= exp;
            result += exp;

            exp = 16 * SafeCast.toUint(value > (1 << 16) - 1);
            value >>= exp;
            result += exp;

            exp = 8 * SafeCast.toUint(value > (1 << 8) - 1);
            value >>= exp;
            result += exp;

            exp = 4 * SafeCast.toUint(value > (1 << 4) - 1);
            value >>= exp;
            result += exp;

            exp = 2 * SafeCast.toUint(value > (1 << 2) - 1);
            value >>= exp;
            result += exp;

            result += SafeCast.toUint(value > 1);
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);
        }
    }

    /**
     * @dev Return the log in base 10 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);
        }
    }

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        uint256 isGt;
        unchecked {
            isGt = SafeCast.toUint(value > (1 << 128) - 1);
            value >>= isGt * 128;
            result += isGt * 16;

            isGt = SafeCast.toUint(value > (1 << 64) - 1);
            value >>= isGt * 64;
            result += isGt * 8;

            isGt = SafeCast.toUint(value > (1 << 32) - 1);
            value >>= isGt * 32;
            result += isGt * 4;

            isGt = SafeCast.toUint(value > (1 << 16) - 1);
            value >>= isGt * 16;
            result += isGt * 2;

            result += SafeCast.toUint(value > (1 << 8) - 1);
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);
        }
    }

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // Formula from the "Bit Twiddling Hacks" by Sean Eron Anderson.
            // Since `n` is a signed integer, the generated bytecode will use the SAR opcode to perform the right shift,
            // taking advantage of the most significant (or "sign" bit) in two's complement representation.
            // This opcode adds new most significant bits set to the value of the previous most significant bit. As a result,
            // the mask will either be `bytes(0)` (if n is positive) or `~bytes32(0)` (if n is negative).
            int256 mask = n >> 255;

            // A `bytes(0)` mask leaves the input unchanged, while a `~bytes32(0)` mask complements it.
            return uint256((n + mask) ^ mask);
        }
    }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.28;

import {IERC20} from "openzeppelin5/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "openzeppelin5/token/ERC20/extensions/IERC20Metadata.sol";
import {Math} from "openzeppelin5/utils/math/Math.sol";
import {Strings} from "openzeppelin5/utils/Strings.sol";

import {Ownable2Step, Ownable} from "openzeppelin5/access/Ownable2Step.sol";
import {EnumerableSet} from "openzeppelin5/utils/structs/EnumerableSet.sol";

import {ISiloIncentivesController} from "../interfaces/ISiloIncentivesController.sol";
import {IDistributionManager} from "../interfaces/IDistributionManager.sol";
import {DistributionTypes} from "../lib/DistributionTypes.sol";
import {TokenHelper} from "../../lib/TokenHelper.sol";
import {AddressUtilsLib} from "../../lib/AddressUtilsLib.sol";
/**
 * @title DistributionManager
 * @notice Accounting contract to manage multiple staking distributions
 */
contract DistributionManager is IDistributionManager, Ownable2Step {
    using EnumerableSet for EnumerableSet.Bytes32Set;

    EnumerableSet.Bytes32Set internal _incentivesProgramIds;

    mapping(bytes32 => bool) internal _isImmediateDistributionProgram;
    mapping(bytes32 => IncentivesProgram) public incentivesPrograms;

    /// @dev notifier is contract with IERC20 interface with users balances, based based on which
    /// rewards distribution is calculated
    address public immutable NOTIFIER; // solhint-disable-line var-name-mixedcase

    uint8 public constant PRECISION = 36;
    uint256 public constant TEN_POW_PRECISION = 10 ** PRECISION;

    modifier onlyNotifier() {
        if (msg.sender != NOTIFIER) revert OnlyNotifier();
        _;
    }

    modifier onlyNotifierOrOwner() {
        if (msg.sender != NOTIFIER && msg.sender != owner()) revert OnlyNotifierOrOwner();
        _;
    }

    /// @param _notifier is contract with IERC20 interface with users balances, based based on which
    /// rewards distribution is calculated
    constructor(address _owner, address _notifier) Ownable(_owner) {
        require(_notifier != address(0), ZeroAddress());

        NOTIFIER = _notifier;
    }

    /// @inheritdoc IDistributionManager
    function setDistributionEnd(
        string calldata _incentivesProgram,
        uint40 _distributionEnd
    ) external virtual onlyOwner {
        require(_distributionEnd >= block.timestamp, ISiloIncentivesController.InvalidDistributionEnd());

        bytes32 programId = getProgramId(_incentivesProgram);

        require(_incentivesProgramIds.contains(programId), ISiloIncentivesController.IncentivesProgramNotFound());

        uint256 totalSupply = _shareToken().totalSupply();

        _updateAssetStateInternal(programId, totalSupply);

        incentivesPrograms[programId].distributionEnd = _distributionEnd;

        emit DistributionEndUpdated(_incentivesProgram, _distributionEnd);
    }

    /// @inheritdoc IDistributionManager
    function getDistributionEnd(string calldata _incentivesProgram) external view virtual override returns (uint256) {
        bytes32 incentivesProgramId = getProgramId(_incentivesProgram);
        return incentivesPrograms[incentivesProgramId].distributionEnd;
    }

    /// @inheritdoc IDistributionManager
    function getUserData(address _user, string calldata _incentivesProgram)
        public
        view
        virtual
        override
        returns (uint256)
    {
        bytes32 incentivesProgramId = getProgramId(_incentivesProgram);
        return incentivesPrograms[incentivesProgramId].users[_user];
    }

    /// @inheritdoc IDistributionManager
    function incentivesProgram(string calldata _incentivesProgram)
        external
        view
        virtual
        returns (IncentiveProgramDetails memory details)
    {
        bytes32 incentivesProgramId = getProgramId(_incentivesProgram);

        details = IncentiveProgramDetails(
            incentivesPrograms[incentivesProgramId].index,
            incentivesPrograms[incentivesProgramId].rewardToken,
            incentivesPrograms[incentivesProgramId].emissionPerSecond,
            incentivesPrograms[incentivesProgramId].lastUpdateTimestamp,
            incentivesPrograms[incentivesProgramId].distributionEnd
        );
    }

    /// @inheritdoc IDistributionManager
    function getAllProgramsNames() external view virtual returns (string[] memory programsNames) {
        uint256 length = _incentivesProgramIds.values().length;
        programsNames = new string[](length);

        for (uint256 i = 0; i < length; i++) {
            programsNames[i] = getProgramName(_incentivesProgramIds.values()[i]);
        }
    }

    /// @inheritdoc IDistributionManager
    function getProgramId(string memory _programName) public pure virtual returns (bytes32) {
        uint256 length = bytes(_programName).length;

        if (length == 42) { // expecting a hex string representing an address
            return _getProgramIdForAddress(AddressUtilsLib.fromHexString(_programName));
        }

        // support any non empty string up to 32 characters
        require(length != 0 && length <= 32, InvalidIncentivesProgramName());

        return bytes32(abi.encodePacked(_programName));
    }

    /**
     * @dev Returns the name of an incentives program (converts bytes32 to string)
     * @param _programId The id of the incentives program
     * @return The name of the incentives program
     */
    function getProgramName(bytes32 _programId) public view virtual returns (string memory) {
        if (_isImmediateDistributionProgram[_programId]) {
            return Strings.toHexString(uint256(_programId), 20);
        }

        return string(TokenHelper.removeZeros(abi.encodePacked(_programId)));
    }

    /**
     * @dev Updates the state of one distribution, mainly rewards index and timestamp
     * @param incentivesProgramId The id of the incentives program being updated
     * @param totalStaked Current total of staked assets for this distribution
     * @return The new distribution index
     */
    function _updateAssetStateInternal(
        bytes32 incentivesProgramId,
        uint256 totalStaked
    ) internal virtual returns (uint256) {
        uint256 oldIndex = incentivesPrograms[incentivesProgramId].index;
        uint256 emissionPerSecond = incentivesPrograms[incentivesProgramId].emissionPerSecond;
        uint256 lastUpdateTimestamp = incentivesPrograms[incentivesProgramId].lastUpdateTimestamp;
        uint256 distributionEnd = incentivesPrograms[incentivesProgramId].distributionEnd;

        if (block.timestamp == lastUpdateTimestamp) {
            return oldIndex;
        }

        uint256 newIndex = _getIncentivesProgramIndex(
            oldIndex, emissionPerSecond, lastUpdateTimestamp, distributionEnd, totalStaked
        );

        if (newIndex != oldIndex) {
            incentivesPrograms[incentivesProgramId].index = newIndex;
            incentivesPrograms[incentivesProgramId].lastUpdateTimestamp = uint40(block.timestamp);

            emit IncentivesProgramIndexUpdated(getProgramName(incentivesProgramId), newIndex);
        } else {
            incentivesPrograms[incentivesProgramId].lastUpdateTimestamp = uint40(block.timestamp);
        }

        return newIndex;
    }

    /**
     * @dev Updates the state of an user in a distribution
     * @param incentivesProgramId The id of the incentives program being updated
     * @param user The user's address
     * @param stakedByUser Amount of tokens staked by the user in the distribution at the moment
     * @param totalStaked Total tokens staked in the distribution
     * @return The accrued rewards for the user until the moment
     */
    function _updateUserAssetInternal(
        bytes32 incentivesProgramId,
        address user,
        uint256 stakedByUser,
        uint256 totalStaked
    ) internal virtual returns (uint256) {
        uint256 userIndex = incentivesPrograms[incentivesProgramId].users[user];
        uint256 accruedRewards = 0;

        uint256 newIndex = _updateAssetStateInternal(incentivesProgramId, totalStaked);

        if (userIndex != newIndex) {
            if (stakedByUser != 0) {
                accruedRewards = _getRewards(stakedByUser, newIndex, userIndex);
            }

            incentivesPrograms[incentivesProgramId].users[user] = newIndex;

            emit UserIndexUpdated(user, getProgramName(incentivesProgramId), newIndex);
        }

        return accruedRewards;
    }

    /**
     * @dev Used by "frontend" stake contracts to update the data of an user when claiming rewards from there
     * @param _user The address of the user
     * @return accruedRewards The accrued rewards for the user until the moment
     */
    function _accrueRewards(address _user)
        internal
        virtual
        returns (AccruedRewards[] memory accruedRewards)
    {
        accruedRewards = _accrueRewardsForPrograms(_user, _incentivesProgramIds.values());
    }

    /**
     * @dev Accrues rewards for a list of programs
     * @param _user The address of the user
     * @param _programIds The ids of the programs
     * @return accruedRewards The accrued rewards for the user until the moment
     */
    function _accrueRewardsForPrograms(address _user, bytes32[] memory _programIds)
        internal
        virtual
        returns (AccruedRewards[] memory accruedRewards)
    {
        uint256 length = _programIds.length;
        accruedRewards = new AccruedRewards[](length);

        (uint256 userStaked, uint256 totalStaked) = _getScaledUserBalanceAndSupply(_user);

        for (uint256 i = 0; i < length; i++) {
            accruedRewards[i] = _accrueRewards(_user, _programIds[i], totalStaked, userStaked);
        }
    }

    function _accrueRewards(address _user, bytes32 _programId, uint256 _totalStaked, uint256 _userStaked)
        internal
        virtual
        returns (AccruedRewards memory accruedRewards)
    {
        uint256 rewards = _updateUserAssetInternal(
            _programId,
            _user,
            _userStaked,
            _totalStaked
        );

        accruedRewards = AccruedRewards({
            amount: rewards,
            programId: _programId,
            rewardToken: incentivesPrograms[_programId].rewardToken
        });
    }

    /**
     * @dev Return the accrued rewards for an user over a list of distribution
     * @param programId The id of the incentives program being updated
     * @param user The address of the user
     * @param stakedByUser Amount of tokens staked by the user in the distribution at the moment
     * @param totalStaked Total tokens staked in the distribution
     * @return accruedRewards The accrued rewards for the user until the moment
     */
    function _getUnclaimedRewards(bytes32 programId, address user, uint256 stakedByUser, uint256 totalStaked)
        internal
        view
        virtual
        returns (uint256 accruedRewards)
    {
        uint256 userIndex = incentivesPrograms[programId].users[user];

        uint256 incentivesProgramIndex = _getIncentivesProgramIndex(
            incentivesPrograms[programId].index,
            incentivesPrograms[programId].emissionPerSecond,
            incentivesPrograms[programId].lastUpdateTimestamp,
            incentivesPrograms[programId].distributionEnd,
            totalStaked
        );

        accruedRewards = _getRewards(stakedByUser, incentivesProgramIndex, userIndex);
    }

    /**
     * @dev Internal function for the calculation of user's rewards on a distribution
     * @param principalUserBalance Amount staked by the user on a distribution
     * @param reserveIndex Current index of the distribution
     * @param userIndex Index stored for the user, representation his staking moment
     * @return rewards The rewards
     */
    function _getRewards(
        uint256 principalUserBalance,
        uint256 reserveIndex,
        uint256 userIndex
    ) internal pure virtual returns (uint256 rewards) {
        rewards = Math.mulDiv(principalUserBalance, (reserveIndex - userIndex), TEN_POW_PRECISION);
    }

    /**
     * @dev Calculates the next value of an specific distribution index, with validations
     * @param currentIndex Current index of the distribution
     * @param emissionPerSecond Representing the total rewards distributed per second per asset unit,
     * on the distribution
     * @param lastUpdateTimestamp Last moment this distribution was updated
     * @param distributionEnd The end of the distribution
     * @param totalBalance of tokens considered for the distribution
     * @return newIndex The new index.
     */
    function _getIncentivesProgramIndex(
        uint256 currentIndex,
        uint256 emissionPerSecond,
        uint256 lastUpdateTimestamp,
        uint256 distributionEnd,
        uint256 totalBalance
    ) internal view virtual returns (uint256 newIndex) {
        if (
            emissionPerSecond == 0 ||
            totalBalance == 0 ||
            lastUpdateTimestamp == block.timestamp ||
            lastUpdateTimestamp >= distributionEnd
        ) {
            return currentIndex;
        }

        uint256 currentTimestamp = block.timestamp > distributionEnd ? distributionEnd : block.timestamp;
        uint256 timeDelta = currentTimestamp - lastUpdateTimestamp;

        newIndex = Math.mulDiv(emissionPerSecond * timeDelta, TEN_POW_PRECISION, totalBalance);
        newIndex += currentIndex;
    }

    function _shareToken() internal view virtual returns (IERC20 shareToken) {
        shareToken = IERC20(NOTIFIER);
    }

    function _getScaledUserBalanceAndSupply(address _user)
        internal
        view
        virtual
        returns (uint256 userBalance, uint256 totalSupply)
    {
        userBalance = _shareToken().balanceOf(_user);
        totalSupply = _shareToken().totalSupply();
    }

    /**
     * @dev Returns the id of an incentives program (converts address to bytes32)
     * @param _addressAsName The address of the reward token for immediate distribution
     * @return The id of the incentives program
     */
    function _getProgramIdForAddress(address _addressAsName) internal pure virtual returns (bytes32) {
        return bytes32(uint256(uint160(_addressAsName)));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../token/ERC20/IERC20.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../utils/introspection/IERC165.sol";

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @dev Collection of common custom errors used in multiple contracts
 *
 * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
 * It is recommended to avoid relying on the error API for critical functionality.
 */
library Errors {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error InsufficientBalance(uint256 balance, uint256 needed);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedCall();

    /**
     * @dev The deployment failed.
     */
    error FailedDeployment();
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @dev Helper library for emitting standardized panic codes.
 *
 * ```solidity
 * contract Example {
 *      using Panic for uint256;
 *
 *      // Use any of the declared internal constants
 *      function foo() { Panic.GENERIC.panic(); }
 *
 *      // Alternatively
 *      function foo() { Panic.panic(Panic.GENERIC); }
 * }
 * ```
 *
 * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].
 */
// slither-disable-next-line unused-state
library Panic {
    /// @dev generic / unspecified error
    uint256 internal constant GENERIC = 0x00;
    /// @dev used by the assert() builtin
    uint256 internal constant ASSERT = 0x01;
    /// @dev arithmetic underflow or overflow
    uint256 internal constant UNDER_OVERFLOW = 0x11;
    /// @dev division or modulo by zero
    uint256 internal constant DIVISION_BY_ZERO = 0x12;
    /// @dev enum conversion error
    uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;
    /// @dev invalid encoding in storage
    uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;
    /// @dev empty array pop
    uint256 internal constant EMPTY_ARRAY_POP = 0x31;
    /// @dev array out of bounds access
    uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;
    /// @dev resource error (too large allocation or too large array)
    uint256 internal constant RESOURCE_ERROR = 0x41;
    /// @dev calling invalid internal function
    uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;

    /// @dev Reverts with a panic code. Recommended to use with
    /// the internal constants with predefined codes.
    function panic(uint256 code) internal pure {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, 0x4e487b71)
            mstore(0x20, code)
            revert(0x1c, 0x24)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.20;

/**
 * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeCast {
    /**
     * @dev Value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);

    /**
     * @dev An int value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedIntToUint(int256 value);

    /**
     * @dev Value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);

    /**
     * @dev An uint value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedUintToInt(uint256 value);

    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        if (value > type(uint248).max) {
            revert SafeCastOverflowedUintDowncast(248, value);
        }
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        if (value > type(uint240).max) {
            revert SafeCastOverflowedUintDowncast(240, value);
        }
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        if (value > type(uint232).max) {
            revert SafeCastOverflowedUintDowncast(232, value);
        }
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        if (value > type(uint224).max) {
            revert SafeCastOverflowedUintDowncast(224, value);
        }
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        if (value > type(uint216).max) {
            revert SafeCastOverflowedUintDowncast(216, value);
        }
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        if (value > type(uint208).max) {
            revert SafeCastOverflowedUintDowncast(208, value);
        }
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        if (value > type(uint200).max) {
            revert SafeCastOverflowedUintDowncast(200, value);
        }
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        if (value > type(uint192).max) {
            revert SafeCastOverflowedUintDowncast(192, value);
        }
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        if (value > type(uint184).max) {
            revert SafeCastOverflowedUintDowncast(184, value);
        }
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        if (value > type(uint176).max) {
            revert SafeCastOverflowedUintDowncast(176, value);
        }
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        if (value > type(uint168).max) {
            revert SafeCastOverflowedUintDowncast(168, value);
        }
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        if (value > type(uint160).max) {
            revert SafeCastOverflowedUintDowncast(160, value);
        }
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        if (value > type(uint152).max) {
            revert SafeCastOverflowedUintDowncast(152, value);
        }
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        if (value > type(uint144).max) {
            revert SafeCastOverflowedUintDowncast(144, value);
        }
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        if (value > type(uint136).max) {
            revert SafeCastOverflowedUintDowncast(136, value);
        }
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        if (value > type(uint128).max) {
            revert SafeCastOverflowedUintDowncast(128, value);
        }
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        if (value > type(uint120).max) {
            revert SafeCastOverflowedUintDowncast(120, value);
        }
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        if (value > type(uint112).max) {
            revert SafeCastOverflowedUintDowncast(112, value);
        }
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        if (value > type(uint104).max) {
            revert SafeCastOverflowedUintDowncast(104, value);
        }
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        if (value > type(uint96).max) {
            revert SafeCastOverflowedUintDowncast(96, value);
        }
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        if (value > type(uint88).max) {
            revert SafeCastOverflowedUintDowncast(88, value);
        }
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        if (value > type(uint80).max) {
            revert SafeCastOverflowedUintDowncast(80, value);
        }
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        if (value > type(uint72).max) {
            revert SafeCastOverflowedUintDowncast(72, value);
        }
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        if (value > type(uint64).max) {
            revert SafeCastOverflowedUintDowncast(64, value);
        }
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        if (value > type(uint56).max) {
            revert SafeCastOverflowedUintDowncast(56, value);
        }
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        if (value > type(uint48).max) {
            revert SafeCastOverflowedUintDowncast(48, value);
        }
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        if (value > type(uint40).max) {
            revert SafeCastOverflowedUintDowncast(40, value);
        }
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        if (value > type(uint32).max) {
            revert SafeCastOverflowedUintDowncast(32, value);
        }
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        if (value > type(uint24).max) {
            revert SafeCastOverflowedUintDowncast(24, value);
        }
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        if (value > type(uint16).max) {
            revert SafeCastOverflowedUintDowncast(16, value);
        }
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        if (value > type(uint8).max) {
            revert SafeCastOverflowedUintDowncast(8, value);
        }
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        if (value < 0) {
            revert SafeCastOverflowedIntToUint(value);
        }
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(248, value);
        }
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(240, value);
        }
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(232, value);
        }
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(224, value);
        }
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(216, value);
        }
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(208, value);
        }
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(200, value);
        }
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(192, value);
        }
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(184, value);
        }
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(176, value);
        }
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(168, value);
        }
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(160, value);
        }
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(152, value);
        }
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(144, value);
        }
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(136, value);
        }
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(128, value);
        }
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(120, value);
        }
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(112, value);
        }
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(104, value);
        }
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(96, value);
        }
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(88, value);
        }
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(80, value);
        }
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(72, value);
        }
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(64, value);
        }
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(56, value);
        }
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(48, value);
        }
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(40, value);
        }
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(32, value);
        }
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(24, value);
        }
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(16, value);
        }
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(8, value);
        }
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        if (value > uint256(type(int256).max)) {
            revert SafeCastOverflowedUintToInt(value);
        }
        return int256(value);
    }

    /**
     * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.
     */
    function toUint(bool b) internal pure returns (uint256 u) {
        /// @solidity memory-safe-assembly
        assembly {
            u := iszero(iszero(b))
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC-20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.20;

import {Ownable} from "./Ownable.sol";

/**
 * @dev Contract module which provides access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * This extension of the {Ownable} contract includes a two-step mechanism to transfer
 * ownership, where the new owner must call {acceptOwnership} in order to replace the
 * old one. This can help prevent common mistakes, such as transfers of ownership to
 * incorrect accounts, or to contracts that are unable to interact with the
 * permission system.
 *
 * The initial owner is specified at deployment time in the constructor for `Ownable`. This
 * can later be changed with {transferOwnership} and {acceptOwnership}.
 *
 * This module is used through inheritance. It will make available all functions
 * from parent (Ownable).
 */
abstract contract Ownable2Step is Ownable {
    address private _pendingOwner;

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

    /**
     * @dev Returns the address of the pending owner.
     */
    function pendingOwner() public view virtual returns (address) {
        return _pendingOwner;
    }

    /**
     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual override onlyOwner {
        _pendingOwner = newOwner;
        emit OwnershipTransferStarted(owner(), newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual override {
        delete _pendingOwner;
        super._transferOwnership(newOwner);
    }

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() public virtual {
        address sender = _msgSender();
        if (pendingOwner() != sender) {
            revert OwnableUnauthorizedAccount(sender);
        }
        _transferOwnership(sender);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.28;

import {IERC20Metadata} from "openzeppelin5/token/ERC20/extensions/IERC20Metadata.sol";

import {IsContract} from "./IsContract.sol";

library TokenHelper {
    uint256 private constant _BYTES32_SIZE = 32;

    error TokenIsNotAContract();

    function assertAndGetDecimals(address _token) internal view returns (uint256) {
        (bool hasMetadata, bytes memory data) =
            _tokenMetadataCall(_token, abi.encodeCall(IERC20Metadata.decimals, ()));

        // decimals() is optional in the ERC20 standard, so if metadata is not accessible
        // we assume there are no decimals and use 0.
        if (!hasMetadata) {
            return 0;
        }

        return abi.decode(data, (uint8));
    }

    /// @dev Returns the symbol for the provided ERC20 token.
    /// An empty string is returned if the call to the token didn't succeed.
    /// @param _token address of the token to get the symbol for
    /// @return assetSymbol the token symbol
    function symbol(address _token) internal view returns (string memory assetSymbol) {
        (bool hasMetadata, bytes memory data) =
            _tokenMetadataCall(_token, abi.encodeCall(IERC20Metadata.symbol, ()));

        if (!hasMetadata || data.length == 0) {
            return "?";
        } else if (data.length == _BYTES32_SIZE) {
            return string(removeZeros(data));
        } else {
            return abi.decode(data, (string));
        }
    }

    /// @dev Removes bytes with value equal to 0 from the provided byte array.
    /// @param _data byte array from which to remove zeroes
    /// @return result byte array with zeroes removed
    function removeZeros(bytes memory _data) internal pure returns (bytes memory result) {
        uint256 n = _data.length;

        for (uint256 i; i < n; i++) {
            if (_data[i] == 0) continue;

            result = abi.encodePacked(result, _data[i]);
        }
    }

    /// @dev Performs a staticcall to the token to get its metadata (symbol, decimals, name)
    function _tokenMetadataCall(address _token, bytes memory _data) private view returns (bool, bytes memory) {
        // We need to do this before the call, otherwise the call will succeed even for EOAs
        require(IsContract.isContract(_token), TokenIsNotAContract());

        (bool success, bytes memory result) = _token.staticcall(_data);

        // If the call reverted we assume the token doesn't follow the metadata extension
        if (!success) {
            return (false, "");
        }

        return (true, result);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.28;

library AddressUtilsLib {
    error InvalidAddressString();

    /**
     * @dev Converts a hex string representation of an address to an address type
     * @param _hexString The hex string representation of an address (with or without 0x prefix)
     * @return addr The address type
     */
    function fromHexString(string memory _hexString) internal pure returns (address addr) {
        require(bytes(_hexString).length == 42, InvalidAddressString());

        for (uint256 i = 2; i < 42; i++) {
            (bool success, uint8 value) = tryHexToUint(bytes(_hexString)[i]);

            if (!success) revert InvalidAddressString();

            addr = address(uint160(addr) * 16 + value);
        }
    }

    /**
     * @notice Copied from OZ
     * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v5.0.2/contracts/governance/Governor.sol#L803
     * @dev Try to parse a character from a string as a hex value. Returns `(true, value)` if the char is in
     * `[0-9a-fA-F]` and `(false, 0)` otherwise. Value is guaranteed to be in the range `0 <= value < 16`
     */
    function tryHexToUint(bytes1 char) internal pure returns (bool, uint8) {
        uint8 c = uint8(char);
        unchecked {
            // Case 0-9
            if (47 < c && c < 58) {
                return (true, c - 48);
            }
            // Case A-F
            else if (64 < c && c < 71) {
                return (true, c - 55);
            }
            // Case a-f
            else if (96 < c && c < 103) {
                return (true, c - 87);
            }
            // Else: not a hex char
            else {
                return (false, 0);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// 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: BUSL-1.1
pragma solidity ^0.8.24;

library IsContract {
    /**
     * @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
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [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;
    }
}

// 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;
    }
}

{
  "remappings": [
    "forge-std/=gitmodules/forge-std/src/",
    "silo-foundry-utils/=gitmodules/silo-foundry-utils/contracts/",
    "properties/=gitmodules/crytic/properties/contracts/",
    "silo-core/=silo-core/",
    "silo-oracles/=silo-oracles/",
    "silo-vaults/=silo-vaults/",
    "ve-silo/=ve-silo/",
    "@openzeppelin/=gitmodules/openzeppelin-contracts-5/",
    "morpho-blue/=gitmodules/morpho-blue/src/",
    "openzeppelin5/=gitmodules/openzeppelin-contracts-5/contracts/",
    "openzeppelin5-upgradeable/=gitmodules/openzeppelin-contracts-upgradeable-5/contracts/",
    "chainlink/=gitmodules/chainlink/contracts/src/",
    "chainlink-ccip/=gitmodules/chainlink-ccip/contracts/src/",
    "uniswap/=gitmodules/uniswap/",
    "@uniswap/v3-core/=gitmodules/uniswap/v3-core/",
    "balancer-labs/v2-solidity-utils/=external/balancer-v2-monorepo/pkg/solidity-utils/contracts/",
    "balancer-labs/v2-interfaces/=external/balancer-v2-monorepo/pkg/interfaces/contracts/",
    "balancer-labs/v2-liquidity-mining/=external/balancer-v2-monorepo/pkg/liquidity-mining/contracts/",
    "pyth-sdk-solidity/=gitmodules/pyth-sdk-solidity/target_chains/ethereum/sdk/solidity/",
    "a16z-erc4626-tests/=gitmodules/a16z-erc4626-tests/",
    "ERC4626/=gitmodules/crytic/properties/lib/ERC4626/contracts/",
    "createx/=gitmodules/pyth-sdk-solidity/lazer/contracts/evm/lib/createx/src/",
    "crytic/=gitmodules/crytic/",
    "ds-test/=gitmodules/openzeppelin-contracts-5/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=gitmodules/openzeppelin-contracts-5/lib/erc4626-tests/",
    "halmos-cheatcodes/=gitmodules/morpho-blue/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-5/=gitmodules/openzeppelin-contracts-5/",
    "openzeppelin-contracts-upgradeable-5/=gitmodules/openzeppelin-contracts-upgradeable-5/",
    "openzeppelin-contracts-upgradeable/=gitmodules/pyth-sdk-solidity/lazer/contracts/evm/lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=gitmodules/openzeppelin-contracts-upgradeable-5/lib/openzeppelin-contracts/",
    "solady/=gitmodules/pyth-sdk-solidity/lazer/contracts/evm/lib/createx/lib/solady/",
    "solmate/=gitmodules/crytic/properties/lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"gaugeLike","type":"address"}],"name":"GaugeLikeCreated","type":"event"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_notifier","type":"address"},{"internalType":"address","name":"_shareToken","type":"address"}],"name":"createGaugeLike","outputs":[{"internalType":"address","name":"gaugeLike","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"createdInFactory","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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