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// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.6;

import "@pooltogether/owner-manager-contracts/contracts/Manageable.sol";

import "./libraries/DrawRingBufferLib.sol";
import "./interfaces/IPrizeDistributionBuffer.sol";

/**
  * @title  PoolTogether V4 PrizeDistributionBuffer
  * @author PoolTogether Inc Team
  * @notice The PrizeDistributionBuffer contract provides historical lookups of PrizeDistribution struct parameters (linked with a Draw ID) via a
            circular ring buffer. Historical PrizeDistribution parameters can be accessed on-chain using a drawId to calculate
            ring buffer storage slot. The PrizeDistribution parameters can be created by manager/owner and existing PrizeDistribution
            parameters can only be updated the owner. When adding a new PrizeDistribution basic sanity checks will be used to
            validate the incoming parameters.
*/
contract PrizeDistributionBuffer is IPrizeDistributionBuffer, Manageable {
    using DrawRingBufferLib for DrawRingBufferLib.Buffer;

    /// @notice The maximum cardinality of the prize distribution ring buffer.
    /// @dev even with daily draws, 256 will give us over 8 months of history.
    uint256 internal constant MAX_CARDINALITY = 256;

    /// @notice The ceiling for prize distributions.  1e9 = 100%.
    /// @dev It's fixed point 9 because 1e9 is the largest "1" that fits into 2**32
    uint256 internal constant TIERS_CEILING = 1e9;

    /// @notice Emitted when the contract is deployed.
    /// @param cardinality The maximum number of records in the buffer before they begin to expire.
    event Deployed(uint8 cardinality);

    /// @notice PrizeDistribution ring buffer history.
    IPrizeDistributionBuffer.PrizeDistribution[MAX_CARDINALITY]
        internal prizeDistributionRingBuffer;

    /// @notice Ring buffer metadata (nextIndex, lastId, cardinality)
    DrawRingBufferLib.Buffer internal bufferMetadata;

    /* ============ Constructor ============ */

    /**
     * @notice Constructor for PrizeDistributionBuffer
     * @param _owner Address of the PrizeDistributionBuffer owner
     * @param _cardinality Cardinality of the `bufferMetadata`
     */
    constructor(address _owner, uint8 _cardinality) Ownable(_owner) {
        bufferMetadata.cardinality = _cardinality;
        emit Deployed(_cardinality);
    }

    /* ============ External Functions ============ */

    /// @inheritdoc IPrizeDistributionBuffer
    function getBufferCardinality() external view override returns (uint32) {
        return bufferMetadata.cardinality;
    }

    /// @inheritdoc IPrizeDistributionBuffer
    function getPrizeDistribution(uint32 _drawId)
        external
        view
        override
        returns (IPrizeDistributionBuffer.PrizeDistribution memory)
    {
        return _getPrizeDistribution(bufferMetadata, _drawId);
    }

    /// @inheritdoc IPrizeDistributionSource
    function getPrizeDistributions(uint32[] calldata _drawIds)
        external
        view
        override
        returns (IPrizeDistributionBuffer.PrizeDistribution[] memory)
    {
        uint256 drawIdsLength = _drawIds.length;
        DrawRingBufferLib.Buffer memory buffer = bufferMetadata;
        IPrizeDistributionBuffer.PrizeDistribution[]
            memory _prizeDistributions = new IPrizeDistributionBuffer.PrizeDistribution[](
                drawIdsLength
            );

        for (uint256 i = 0; i < drawIdsLength; i++) {
            _prizeDistributions[i] = _getPrizeDistribution(buffer, _drawIds[i]);
        }

        return _prizeDistributions;
    }

    /// @inheritdoc IPrizeDistributionBuffer
    function getPrizeDistributionCount() external view override returns (uint32) {
        DrawRingBufferLib.Buffer memory buffer = bufferMetadata;

        if (buffer.lastDrawId == 0) {
            return 0;
        }

        uint32 bufferNextIndex = buffer.nextIndex;

        // If the buffer is full return the cardinality, else retun the nextIndex
        if (prizeDistributionRingBuffer[bufferNextIndex].matchCardinality != 0) {
            return buffer.cardinality;
        } else {
            return bufferNextIndex;
        }
    }

    /// @inheritdoc IPrizeDistributionBuffer
    function getNewestPrizeDistribution()
        external
        view
        override
        returns (IPrizeDistributionBuffer.PrizeDistribution memory prizeDistribution, uint32 drawId)
    {
        DrawRingBufferLib.Buffer memory buffer = bufferMetadata;

        return (prizeDistributionRingBuffer[buffer.getIndex(buffer.lastDrawId)], buffer.lastDrawId);
    }

    /// @inheritdoc IPrizeDistributionBuffer
    function getOldestPrizeDistribution()
        external
        view
        override
        returns (IPrizeDistributionBuffer.PrizeDistribution memory prizeDistribution, uint32 drawId)
    {
        DrawRingBufferLib.Buffer memory buffer = bufferMetadata;

        // if the ring buffer is full, the oldest is at the nextIndex
        prizeDistribution = prizeDistributionRingBuffer[buffer.nextIndex];

        // The PrizeDistribution at index 0 IS by default the oldest prizeDistribution.
        if (buffer.lastDrawId == 0) {
            drawId = 0; // return 0 to indicate no prizeDistribution ring buffer history
        } else if (prizeDistribution.bitRangeSize == 0) {
            // IF the next PrizeDistribution.bitRangeSize == 0 the ring buffer HAS NOT looped around so the oldest is the first entry.
            prizeDistribution = prizeDistributionRingBuffer[0];
            drawId = (buffer.lastDrawId + 1) - buffer.nextIndex;
        } else {
            // Calculates the drawId using the ring buffer cardinality
            // Sequential drawIds are gauranteed by DrawRingBufferLib.push()
            drawId = (buffer.lastDrawId + 1) - buffer.cardinality;
        }
    }

    /// @inheritdoc IPrizeDistributionBuffer
    function pushPrizeDistribution(
        uint32 _drawId,
        IPrizeDistributionBuffer.PrizeDistribution calldata _prizeDistribution
    ) external override onlyManagerOrOwner returns (bool) {
        return _pushPrizeDistribution(_drawId, _prizeDistribution);
    }

    /// @inheritdoc IPrizeDistributionBuffer
    function setPrizeDistribution(
        uint32 _drawId,
        IPrizeDistributionBuffer.PrizeDistribution calldata _prizeDistribution
    ) external override onlyOwner returns (uint32) {
        DrawRingBufferLib.Buffer memory buffer = bufferMetadata;
        uint32 index = buffer.getIndex(_drawId);
        prizeDistributionRingBuffer[index] = _prizeDistribution;

        emit PrizeDistributionSet(_drawId, _prizeDistribution);

        return _drawId;
    }

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

    /**
     * @notice Gets the PrizeDistributionBuffer for a drawId
     * @param _buffer DrawRingBufferLib.Buffer
     * @param _drawId drawId
     */
    function _getPrizeDistribution(DrawRingBufferLib.Buffer memory _buffer, uint32 _drawId)
        internal
        view
        returns (IPrizeDistributionBuffer.PrizeDistribution memory)
    {
        return prizeDistributionRingBuffer[_buffer.getIndex(_drawId)];
    }

    /**
     * @notice Set newest PrizeDistributionBuffer in ring buffer storage.
     * @param _drawId       drawId
     * @param _prizeDistribution PrizeDistributionBuffer struct
     */
    function _pushPrizeDistribution(
        uint32 _drawId,
        IPrizeDistributionBuffer.PrizeDistribution calldata _prizeDistribution
    ) internal returns (bool) {
        require(_drawId > 0, "DrawCalc/draw-id-gt-0");
        require(_prizeDistribution.matchCardinality > 0, "DrawCalc/matchCardinality-gt-0");
        require(
            _prizeDistribution.bitRangeSize <= 256 / _prizeDistribution.matchCardinality,
            "DrawCalc/bitRangeSize-too-large"
        );

        require(_prizeDistribution.bitRangeSize > 0, "DrawCalc/bitRangeSize-gt-0");
        require(_prizeDistribution.maxPicksPerUser > 0, "DrawCalc/maxPicksPerUser-gt-0");
        require(_prizeDistribution.expiryDuration > 0, "DrawCalc/expiryDuration-gt-0");

        // ensure that the sum of the tiers are not gt 100%
        uint256 sumTotalTiers = 0;
        uint256 tiersLength = _prizeDistribution.tiers.length;

        for (uint256 index = 0; index < tiersLength; index++) {
            uint256 tier = _prizeDistribution.tiers[index];
            sumTotalTiers += tier;
        }

        // Each tier amount stored as uint32 - summed can't exceed 1e9
        require(sumTotalTiers <= TIERS_CEILING, "DrawCalc/tiers-gt-100%");

        DrawRingBufferLib.Buffer memory buffer = bufferMetadata;

        // store the PrizeDistribution in the ring buffer
        prizeDistributionRingBuffer[buffer.nextIndex] = _prizeDistribution;

        // update the ring buffer data
        bufferMetadata = buffer.push(_drawId);

        emit PrizeDistributionSet(_drawId, _prizeDistribution);

        return true;
    }
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.0;

import "./Ownable.sol";

/**
 * @title Abstract manageable contract that can be inherited by other contracts
 * @notice Contract module based on Ownable which provides a basic access control mechanism, where
 * there is an owner and a manager that can be granted exclusive access to specific functions.
 *
 * By default, the owner is the deployer of the contract.
 *
 * The owner account is set through a two steps process.
 *      1. The current `owner` calls {transferOwnership} to set a `pendingOwner`
 *      2. The `pendingOwner` calls {acceptOwnership} to accept the ownership transfer
 *
 * The manager account needs to be set using {setManager}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyManager`, which can be applied to your functions to restrict their use to
 * the manager.
 */
abstract contract Manageable is Ownable {
    address private _manager;

    /**
     * @dev Emitted when `_manager` has been changed.
     * @param previousManager previous `_manager` address.
     * @param newManager new `_manager` address.
     */
    event ManagerTransferred(address indexed previousManager, address indexed newManager);

    /* ============ External Functions ============ */

    /**
     * @notice Gets current `_manager`.
     * @return Current `_manager` address.
     */
    function manager() public view virtual returns (address) {
        return _manager;
    }

    /**
     * @notice Set or change of manager.
     * @dev Throws if called by any account other than the owner.
     * @param _newManager New _manager address.
     * @return Boolean to indicate if the operation was successful or not.
     */
    function setManager(address _newManager) external onlyOwner returns (bool) {
        return _setManager(_newManager);
    }

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

    /**
     * @notice Set or change of manager.
     * @param _newManager New _manager address.
     * @return Boolean to indicate if the operation was successful or not.
     */
    function _setManager(address _newManager) private returns (bool) {
        address _previousManager = _manager;

        require(_newManager != _previousManager, "Manageable/existing-manager-address");

        _manager = _newManager;

        emit ManagerTransferred(_previousManager, _newManager);
        return true;
    }

    /* ============ Modifier Functions ============ */

    /**
     * @dev Throws if called by any account other than the manager.
     */
    modifier onlyManager() {
        require(manager() == msg.sender, "Manageable/caller-not-manager");
        _;
    }

    /**
     * @dev Throws if called by any account other than the manager or the owner.
     */
    modifier onlyManagerOrOwner() {
        require(manager() == msg.sender || owner() == msg.sender, "Manageable/caller-not-manager-or-owner");
        _;
    }
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.0;

/**
 * @title Abstract ownable contract that can be inherited by other contracts
 * @notice Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner is the deployer of the contract.
 *
 * The owner account is set through a two steps process.
 *      1. The current `owner` calls {transferOwnership} to set a `pendingOwner`
 *      2. The `pendingOwner` calls {acceptOwnership} to accept the ownership transfer
 *
 * The manager account needs to be set using {setManager}.
 *
 * 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 {
    address private _owner;
    address private _pendingOwner;

    /**
     * @dev Emitted when `_pendingOwner` has been changed.
     * @param pendingOwner new `_pendingOwner` address.
     */
    event OwnershipOffered(address indexed pendingOwner);

    /**
     * @dev Emitted when `_owner` has been changed.
     * @param previousOwner previous `_owner` address.
     * @param newOwner new `_owner` address.
     */
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /* ============ Deploy ============ */

    /**
     * @notice Initializes the contract setting `_initialOwner` as the initial owner.
     * @param _initialOwner Initial owner of the contract.
     */
    constructor(address _initialOwner) {
        _setOwner(_initialOwner);
    }

    /* ============ External Functions ============ */

    /**
     * @notice Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @notice Gets current `_pendingOwner`.
     * @return Current `_pendingOwner` address.
     */
    function pendingOwner() external view virtual returns (address) {
        return _pendingOwner;
    }

    /**
     * @notice Renounce ownership of the contract.
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() external virtual onlyOwner {
        _setOwner(address(0));
    }

    /**
    * @notice Allows current owner to set the `_pendingOwner` address.
    * @param _newOwner Address to transfer ownership to.
    */
    function transferOwnership(address _newOwner) external onlyOwner {
        require(_newOwner != address(0), "Ownable/pendingOwner-not-zero-address");

        _pendingOwner = _newOwner;

        emit OwnershipOffered(_newOwner);
    }

    /**
    * @notice Allows the `_pendingOwner` address to finalize the transfer.
    * @dev This function is only callable by the `_pendingOwner`.
    */
    function claimOwnership() external onlyPendingOwner {
        _setOwner(_pendingOwner);
        _pendingOwner = address(0);
    }

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

    /**
     * @notice Internal function to set the `_owner` of the contract.
     * @param _newOwner New `_owner` address.
     */
    function _setOwner(address _newOwner) private {
        address _oldOwner = _owner;
        _owner = _newOwner;
        emit OwnershipTransferred(_oldOwner, _newOwner);
    }

    /* ============ Modifier Functions ============ */

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == msg.sender, "Ownable/caller-not-owner");
        _;
    }

    /**
    * @dev Throws if called by any account other than the `pendingOwner`.
    */
    modifier onlyPendingOwner() {
        require(msg.sender == _pendingOwner, "Ownable/caller-not-pendingOwner");
        _;
    }
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.6;

import "./IPrizeDistributionSource.sol";

/** @title  IPrizeDistributionBuffer
 * @author PoolTogether Inc Team
 * @notice The PrizeDistributionBuffer interface.
 */
interface IPrizeDistributionBuffer is IPrizeDistributionSource {
    /**
     * @notice Emit when PrizeDistribution is set.
     * @param drawId       Draw id
     * @param prizeDistribution IPrizeDistributionBuffer.PrizeDistribution
     */
    event PrizeDistributionSet(
        uint32 indexed drawId,
        IPrizeDistributionBuffer.PrizeDistribution prizeDistribution
    );

    /**
     * @notice Read a ring buffer cardinality
     * @return Ring buffer cardinality
     */
    function getBufferCardinality() external view returns (uint32);

    /**
     * @notice Read newest PrizeDistribution from prize distributions ring buffer.
     * @dev    Uses nextDrawIndex to calculate the most recently added PrizeDistribution.
     * @return prizeDistribution
     * @return drawId
     */
    function getNewestPrizeDistribution()
        external
        view
        returns (
            IPrizeDistributionBuffer.PrizeDistribution memory prizeDistribution,
            uint32 drawId
        );

    /**
     * @notice Read oldest PrizeDistribution from prize distributions ring buffer.
     * @dev    Finds the oldest Draw by buffer.nextIndex and buffer.lastDrawId
     * @return prizeDistribution
     * @return drawId
     */
    function getOldestPrizeDistribution()
        external
        view
        returns (
            IPrizeDistributionBuffer.PrizeDistribution memory prizeDistribution,
            uint32 drawId
        );

    /**
     * @notice Gets the PrizeDistributionBuffer for a drawId
     * @param drawId drawId
     * @return prizeDistribution
     */
    function getPrizeDistribution(uint32 drawId)
        external
        view
        returns (IPrizeDistributionBuffer.PrizeDistribution memory);

    /**
     * @notice Gets the number of PrizeDistributions stored in the prize distributions ring buffer.
     * @dev If no Draws have been pushed, it will return 0.
     * @dev If the ring buffer is full, it will return the cardinality.
     * @dev Otherwise, it will return the NewestPrizeDistribution index + 1.
     * @return Number of PrizeDistributions stored in the prize distributions ring buffer.
     */
    function getPrizeDistributionCount() external view returns (uint32);

    /**
     * @notice Adds new PrizeDistribution record to ring buffer storage.
     * @dev    Only callable by the owner or manager
     * @param drawId            Draw ID linked to PrizeDistribution parameters
     * @param prizeDistribution PrizeDistribution parameters struct
     */
    function pushPrizeDistribution(
        uint32 drawId,
        IPrizeDistributionBuffer.PrizeDistribution calldata prizeDistribution
    ) external returns (bool);

    /**
     * @notice Sets existing PrizeDistribution with new PrizeDistribution parameters in ring buffer storage.
     * @dev    Retroactively updates an existing PrizeDistribution and should be thought of as a "safety"
               fallback. If the manager is setting invalid PrizeDistribution parameters the Owner can update
               the invalid parameters with correct parameters.
     * @return drawId
     */
    function setPrizeDistribution(
        uint32 drawId,
        IPrizeDistributionBuffer.PrizeDistribution calldata draw
    ) external returns (uint32);
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.6;

/** @title IPrizeDistributionSource
 * @author PoolTogether Inc Team
 * @notice The PrizeDistributionSource interface.
 */
interface IPrizeDistributionSource {
    ///@notice PrizeDistribution struct created every draw
    ///@param bitRangeSize Decimal representation of bitRangeSize
    ///@param matchCardinality The number of numbers to consider in the 256 bit random number. Must be > 1 and < 256/bitRangeSize.
    ///@param startTimestampOffset The starting time offset in seconds from which Ticket balances are calculated.
    ///@param endTimestampOffset The end time offset in seconds from which Ticket balances are calculated.
    ///@param maxPicksPerUser Maximum number of picks a user can make in this draw
    ///@param expiryDuration Length of time in seconds the PrizeDistribution is valid for. Relative to the Draw.timestamp.
    ///@param numberOfPicks Number of picks this draw has (may vary across networks according to how much the network has contributed to the Reserve)
    ///@param tiers Array of prize tiers percentages, expressed in fraction form with base 1e9. Ordering: index0: grandPrize, index1: runnerUp, etc.
    ///@param prize Total prize amount available in this draw calculator for this draw (may vary from across networks)
    struct PrizeDistribution {
        uint8 bitRangeSize;
        uint8 matchCardinality;
        uint32 startTimestampOffset;
        uint32 endTimestampOffset;
        uint32 maxPicksPerUser;
        uint32 expiryDuration;
        uint104 numberOfPicks;
        uint32[16] tiers;
        uint256 prize;
    }

    /**
     * @notice Gets PrizeDistribution list from array of drawIds
     * @param drawIds drawIds to get PrizeDistribution for
     * @return prizeDistributionList
     */
    function getPrizeDistributions(uint32[] calldata drawIds)
        external
        view
        returns (PrizeDistribution[] memory);
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.6;

import "./RingBufferLib.sol";

/// @title Library for creating and managing a draw ring buffer.
library DrawRingBufferLib {
    /// @notice Draw buffer struct.
    struct Buffer {
        uint32 lastDrawId;
        uint32 nextIndex;
        uint32 cardinality;
    }

    /// @notice Helper function to know if the draw ring buffer has been initialized.
    /// @dev since draws start at 1 and are monotonically increased, we know we are uninitialized if nextIndex = 0 and lastDrawId = 0.
    /// @param _buffer The buffer to check.
    function isInitialized(Buffer memory _buffer) internal pure returns (bool) {
        return !(_buffer.nextIndex == 0 && _buffer.lastDrawId == 0);
    }

    /// @notice Push a draw to the buffer.
    /// @param _buffer The buffer to push to.
    /// @param _drawId The drawID to push.
    /// @return The new buffer.
    function push(Buffer memory _buffer, uint32 _drawId) internal pure returns (Buffer memory) {
        require(!isInitialized(_buffer) || _drawId == _buffer.lastDrawId + 1, "DRB/must-be-contig");

        return
            Buffer({
                lastDrawId: _drawId,
                nextIndex: uint32(RingBufferLib.nextIndex(_buffer.nextIndex, _buffer.cardinality)),
                cardinality: _buffer.cardinality
            });
    }

    /// @notice Get draw ring buffer index pointer.
    /// @param _buffer The buffer to get the `nextIndex` from.
    /// @param _drawId The draw id to get the index for.
    /// @return The draw ring buffer index pointer.
    function getIndex(Buffer memory _buffer, uint32 _drawId) internal pure returns (uint32) {
        require(isInitialized(_buffer) && _drawId <= _buffer.lastDrawId, "DRB/future-draw");

        uint32 indexOffset = _buffer.lastDrawId - _drawId;
        require(indexOffset < _buffer.cardinality, "DRB/expired-draw");

        uint256 mostRecent = RingBufferLib.newestIndex(_buffer.nextIndex, _buffer.cardinality);

        return uint32(RingBufferLib.offset(uint32(mostRecent), indexOffset, _buffer.cardinality));
    }
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.6;

library RingBufferLib {
    /**
    * @notice Returns wrapped TWAB index.
    * @dev  In order to navigate the TWAB circular buffer, we need to use the modulo operator.
    * @dev  For example, if `_index` is equal to 32 and the TWAB circular buffer is of `_cardinality` 32,
    *       it will return 0 and will point to the first element of the array.
    * @param _index Index used to navigate through the TWAB circular buffer.
    * @param _cardinality TWAB buffer cardinality.
    * @return TWAB index.
    */
    function wrap(uint256 _index, uint256 _cardinality) internal pure returns (uint256) {
        return _index % _cardinality;
    }

    /**
    * @notice Computes the negative offset from the given index, wrapped by the cardinality.
    * @dev  We add `_cardinality` to `_index` to be able to offset even if `_amount` is superior to `_cardinality`.
    * @param _index The index from which to offset
    * @param _amount The number of indices to offset.  This is subtracted from the given index.
    * @param _cardinality The number of elements in the ring buffer
    * @return Offsetted index.
     */
    function offset(
        uint256 _index,
        uint256 _amount,
        uint256 _cardinality
    ) internal pure returns (uint256) {
        return wrap(_index + _cardinality - _amount, _cardinality);
    }

    /// @notice Returns the index of the last recorded TWAB
    /// @param _nextIndex The next available twab index.  This will be recorded to next.
    /// @param _cardinality The cardinality of the TWAB history.
    /// @return The index of the last recorded TWAB
    function newestIndex(uint256 _nextIndex, uint256 _cardinality)
        internal
        pure
        returns (uint256)
    {
        if (_cardinality == 0) {
            return 0;
        }

        return wrap(_nextIndex + _cardinality - 1, _cardinality);
    }

    /// @notice Computes the ring buffer index that follows the given one, wrapped by cardinality
    /// @param _index The index to increment
    /// @param _cardinality The number of elements in the Ring Buffer
    /// @return The next index relative to the given index.  Will wrap around to 0 if the next index == cardinality
    function nextIndex(uint256 _index, uint256 _cardinality)
        internal
        pure
        returns (uint256)
    {
        return wrap(_index + 1, _cardinality);
    }
}

{
  "evmVersion": "berlin",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 2000
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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IPrizeDistributionSource.PrizeDistribution","name":"prizeDistribution","type":"tuple"}],"name":"PrizeDistributionSet","type":"event"},{"inputs":[],"name":"claimOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getBufferCardinality","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNewestPrizeDistribution","outputs":[{"components":[{"internalType":"uint8","name":"bitRangeSize","type":"uint8"},{"internalType":"uint8","name":"matchCardinality","type":"uint8"},{"internalType":"uint32","name":"startTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"endTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"maxPicksPerUser","type":"uint32"},{"internalType":"uint32","name":"expiryDuration","type":"uint32"},{"internalType":"uint104","name":"numberOfPicks","type":"uint104"},{"internalType":"uint32[16]","name":"tiers","type":"uint32[16]"},{"internalType":"uint256","name":"prize","type":"uint256"}],"internalType":"struct IPrizeDistributionSource.PrizeDistribution","name":"prizeDistribution","type":"tuple"},{"internalType":"uint32","name":"drawId","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOldestPrizeDistribution","outputs":[{"components":[{"internalType":"uint8","name":"bitRangeSize","type":"uint8"},{"internalType":"uint8","name":"matchCardinality","type":"uint8"},{"internalType":"uint32","name":"startTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"endTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"maxPicksPerUser","type":"uint32"},{"internalType":"uint32","name":"expiryDuration","type":"uint32"},{"internalType":"uint104","name":"numberOfPicks","type":"uint104"},{"internalType":"uint32[16]","name":"tiers","type":"uint32[16]"},{"internalType":"uint256","name":"prize","type":"uint256"}],"internalType":"struct IPrizeDistributionSource.PrizeDistribution","name":"prizeDistribution","type":"tuple"},{"internalType":"uint32","name":"drawId","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"_drawId","type":"uint32"}],"name":"getPrizeDistribution","outputs":[{"components":[{"internalType":"uint8","name":"bitRangeSize","type":"uint8"},{"internalType":"uint8","name":"matchCardinality","type":"uint8"},{"internalType":"uint32","name":"startTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"endTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"maxPicksPerUser","type":"uint32"},{"internalType":"uint32","name":"expiryDuration","type":"uint32"},{"internalType":"uint104","name":"numberOfPicks","type":"uint104"},{"internalType":"uint32[16]","name":"tiers","type":"uint32[16]"},{"internalType":"uint256","name":"prize","type":"uint256"}],"internalType":"struct IPrizeDistributionSource.PrizeDistribution","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPrizeDistributionCount","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32[]","name":"_drawIds","type":"uint32[]"}],"name":"getPrizeDistributions","outputs":[{"components":[{"internalType":"uint8","name":"bitRangeSize","type":"uint8"},{"internalType":"uint8","name":"matchCardinality","type":"uint8"},{"internalType":"uint32","name":"startTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"endTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"maxPicksPerUser","type":"uint32"},{"internalType":"uint32","name":"expiryDuration","type":"uint32"},{"internalType":"uint104","name":"numberOfPicks","type":"uint104"},{"internalType":"uint32[16]","name":"tiers","type":"uint32[16]"},{"internalType":"uint256","name":"prize","type":"uint256"}],"internalType":"struct IPrizeDistributionSource.PrizeDistribution[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"manager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"_drawId","type":"uint32"},{"components":[{"internalType":"uint8","name":"bitRangeSize","type":"uint8"},{"internalType":"uint8","name":"matchCardinality","type":"uint8"},{"internalType":"uint32","name":"startTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"endTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"maxPicksPerUser","type":"uint32"},{"internalType":"uint32","name":"expiryDuration","type":"uint32"},{"internalType":"uint104","name":"numberOfPicks","type":"uint104"},{"internalType":"uint32[16]","name":"tiers","type":"uint32[16]"},{"internalType":"uint256","name":"prize","type":"uint256"}],"internalType":"struct IPrizeDistributionSource.PrizeDistribution","name":"_prizeDistribution","type":"tuple"}],"name":"pushPrizeDistribution","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newManager","type":"address"}],"name":"setManager","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_drawId","type":"uint32"},{"components":[{"internalType":"uint8","name":"bitRangeSize","type":"uint8"},{"internalType":"uint8","name":"matchCardinality","type":"uint8"},{"internalType":"uint32","name":"startTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"endTimestampOffset","type":"uint32"},{"internalType":"uint32","name":"maxPicksPerUser","type":"uint32"},{"internalType":"uint32","name":"expiryDuration","type":"uint32"},{"internalType":"uint104","name":"numberOfPicks","type":"uint104"},{"internalType":"uint32[16]","name":"tiers","type":"uint32[16]"},{"internalType":"uint256","name":"prize","type":"uint256"}],"internalType":"struct IPrizeDistributionSource.PrizeDistribution","name":"_prizeDistribution","type":"tuple"}],"name":"setPrizeDistribution","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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0000000000000000000000000a506e58ba76671476c9aae1205dab69234c714800000000000000000000000000000000000000000000000000000000000000ff

-----Decoded View---------------
Arg [0] : _owner (address): 0x0a506e58BA76671476C9AAE1205DAB69234c7148
Arg [1] : _cardinality (uint8): 255

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000000a506e58ba76671476c9aae1205dab69234c7148
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000ff