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// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {ISortitionModule} from "../interfaces/ISortitionModule.sol";

interface IKlerosCore {
    function sortitionModule() external view returns (ISortitionModule);
}

/// @title KlerosCoreSnapshotProxy
/// Proxy contract for V2 that exposes staked PNK with balanceOf() function for Snapshot voting.
contract KlerosCoreSnapshotProxy {
    // ************************************* //
    // *         State Modifiers           * //
    // ************************************* //

    IKlerosCore public core;
    address public governor;
    string public constant name = "Staked Pinakion";
    string public constant symbol = "stPNK";
    uint8 public constant decimals = 18;

    // ************************************* //
    // *         Modifiers                 * //
    // ************************************* //

    modifier onlyByGovernor() {
        require(governor == msg.sender, "Access not allowed: Governor only.");
        _;
    }

    // ************************************* //
    // *         Constructor               * //
    // ************************************* //

    /// @dev Constructor
    /// @param _governor The governor of the contract.
    /// @param _core KlerosCore to read the balance from.
    constructor(address _governor, IKlerosCore _core) {
        governor = _governor;
        core = _core;
    }

    // ************************************* //
    // *             Governance            * //
    // ************************************* //

    /// @dev Changes the `governor` storage variable.
    /// @param _governor The new value for the `governor` storage variable.
    function changeGovernor(address _governor) external onlyByGovernor {
        governor = _governor;
    }

    /// @dev Changes the `core` storage variable.
    /// @param _core The new value for the `core` storage variable.
    function changeCore(IKlerosCore _core) external onlyByGovernor {
        core = _core;
    }

    // ************************************* //
    // *           Public Views            * //
    // ************************************* //

    /// @dev Returns the amount of PNK staked in KlerosV2 for a particular address.
    /// Note: Proxy doesn't need to differentiate between courts so we pass 0 as courtID.
    /// @param _account The address to query.
    /// @return totalStaked Total amount staked in V2 by the address.
    function balanceOf(address _account) external view returns (uint256 totalStaked) {
        (totalStaked, , , ) = core.sortitionModule().getJurorBalance(_account, 0);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (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 0.8.24;

import "../../libraries/Constants.sol";

interface ISortitionModule {
    enum Phase {
        staking, // Stake sum trees can be updated. Pass after `minStakingTime` passes and there is at least one dispute without jurors.
        generating, // Waiting for a random number. Pass as soon as it is ready.
        drawing // Jurors can be drawn. Pass after all disputes have jurors or `maxDrawingTime` passes.
    }

    event NewPhase(Phase _phase);

    function createTree(bytes32 _key, bytes memory _extraData) external;

    function setStake(
        address _account,
        uint96 _courtID,
        uint256 _newStake,
        bool _alreadyTransferred
    ) external returns (uint256 pnkDeposit, uint256 pnkWithdrawal, StakingResult stakingResult);

    function setJurorInactive(address _account) external;

    function lockStake(address _account, uint256 _relativeAmount) external;

    function unlockStake(address _account, uint256 _relativeAmount) external;

    function penalizeStake(address _account, uint256 _relativeAmount) external;

    function notifyRandomNumber(uint256 _drawnNumber) external;

    function draw(bytes32 _court, uint256 _coreDisputeID, uint256 _nonce) external view returns (address);

    function getJurorBalance(
        address _juror,
        uint96 _courtID
    ) external view returns (uint256 totalStaked, uint256 totalLocked, uint256 stakedInCourt, uint256 nbCourts);

    function getJurorCourtIDs(address _juror) external view returns (uint96[] memory);

    function isJurorStaked(address _juror) external view returns (bool);

    function createDisputeHook(uint256 _disputeID, uint256 _roundID) external;

    function postDrawHook(uint256 _disputeID, uint256 _roundID) external;
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

// Courts
uint96 constant FORKING_COURT = 0; // Index of the forking court.
uint96 constant GENERAL_COURT = 1; // Index of the default (general) court.

// Dispute Kits
uint256 constant NULL_DISPUTE_KIT = 0; // Null pattern to indicate a top-level DK which has no parent. DEPRECATED, as its main purpose was to accommodate forest structure which is not used now.
uint256 constant DISPUTE_KIT_CLASSIC = 1; // Index of the default DK. 0 index is skipped.

// Sortition Module
uint256 constant MAX_STAKE_PATHS = 4; // The maximum number of stake paths a juror can have.
uint256 constant DEFAULT_K = 6; // Default number of children per node.

// Defaults
uint256 constant DEFAULT_NB_OF_JURORS = 3; // The default number of jurors in a dispute.
IERC20 constant NATIVE_CURRENCY = IERC20(address(0)); // The native currency, such as ETH on Arbitrum, Optimism and Ethereum L1.

enum OnError {
    Revert,
    Return
}

enum StakingResult {
    Successful,
    StakingTransferFailed,
    UnstakingTransferFailed,
    CannotStakeInMoreCourts,
    CannotStakeInThisCourt,
    CannotStakeLessThanMinStake,
    CannotStakeMoreThanMaxStakePerJuror,
    CannotStakeMoreThanMaxTotalStaked,
    CannotStakeZeroWhenNoStake
}

{
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 100
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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000000000000000000000000f1c7c037891525e360c59f708739ac09a7670c590000000000000000000000004838e31e0ea315232c431598110fe677caf2d6e6

-----Decoded View---------------
Arg [0] : _governor (address): 0xf1C7c037891525E360C59f708739Ac09A7670c59
Arg [1] : _core (address): 0x4838e31E0ea315232c431598110FE677cAF2D6E6

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000f1c7c037891525e360c59f708739ac09a7670c59
Arg [1] : 0000000000000000000000004838e31e0ea315232c431598110fe677caf2d6e6