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// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

import {IMetaCore} from "src/interfaces/core/IMetaCore.sol";

/**
    @title Meta Core
    @notice Single source of truth for system-wide values and contract ownership.
            Other ownable contracts inherit their ownership from this contract
            using `PropOwnable`, relayed by Core.
    @dev Named Meta, since will control multiple protocol instances
 */
contract MetaCore is IMetaCore {
    // We enforce a three day delay between committing and applying
    // an ownership change, as a sanity check on a proposed new owner
    // and to give users time to react in case the act is malicious.
    uint256 public constant OWNERSHIP_TRANSFER_DELAY = 3 days;

    uint16 public constant DEFAULT_FLASH_LOAN_FEE = 5; // 0.05%

    uint16 constant BP = 1e4;

    // During bootstrap period sDebtToken redemptions are not allowed
    uint64 public lspBootstrapPeriod;
    address public priceFeed;
    address public debtToken;
    // System-wide pause. When true, disables position adjustments across all collaterals.
    bool public paused;
    address public owner;
    address public pendingOwner;
    uint256 public ownershipTransferDeadline;
    address public guardian;
    address public feeReceiver;
    uint16 public lspEntryFee;
    uint16 public lspExitFee;
    uint16 public interestProtocolShare;
    address public defaultInterestReceiver;

    // Beacon-looked by DEBT_TOKEN to determine fee reduction given to periphery contract for flash loans/mints
    mapping(address peripheryContract => FeeInfo fee) internal peripheryFlashLoanFee;
    mapping(address => RebalancerFeeInfo fee) internal rebalancerFee;

    constructor(address _owner, address _guardian, address _priceFeed, address _debtToken, address _feeReceiver, uint16 _lspEntryFee, uint16 _lspExitFee, uint64 _lspBootstrapPeriod, address _defaultInterestReceiver) {
        if (_owner == address(0) || _guardian == address(0) || _priceFeed == address(0) || _debtToken == address(0) || _feeReceiver == address(0)) {
            revert("MetaCore: 0 address");
        }

        owner = _owner;
        guardian = _guardian;
        priceFeed = _priceFeed;
        debtToken = _debtToken;
        feeReceiver = _feeReceiver;
        lspEntryFee = _lspEntryFee;
        lspExitFee = _lspExitFee;
        lspBootstrapPeriod = _lspBootstrapPeriod;
        interestProtocolShare = 1500; // 15% default
        defaultInterestReceiver = _defaultInterestReceiver;

        emit GuardianSet(_guardian);
        emit PriceFeedSet(_priceFeed);
        emit FeeReceiverSet(_feeReceiver);             
        emit EntryFeeSet(_lspEntryFee);
        emit ExitFeeSet(_lspExitFee);
        emit LSPBootstrapPeriodSet(_lspBootstrapPeriod);
    }

    modifier onlyOwner() {
        require(msg.sender == owner, "Only owner");
        _;
    }

    /**
     * @notice Sets the global pause state of the protocol
     *         Pausing is used to mitigate risks in exceptional circumstances
     *         Functionalities affected by pausing are:
     *         - New borrowing is not possible
     *         - New collateral deposits are not possible
     *         - New stability pool deposits are not possible
     * @param _paused If true the protocol is paused
     */
    function setPaused(bool _paused) external {
        require((_paused && msg.sender == guardian) || msg.sender == owner, "Unauthorized");
        paused = _paused;
        if (_paused) {
            emit Paused();
        } else {
            emit Unpaused();
        }
    }

    /**
     * @notice Set the receiver of all fees across the protocol
     * @param _feeReceiver Address of the fee's recipient
     */
    function setFeeReceiver(address _feeReceiver) external onlyOwner {
        feeReceiver = _feeReceiver;
        emit FeeReceiverSet(_feeReceiver);
    }

    /**
     * @notice Set the price feed used in the protocol
     * @param _priceFeed Price feed address
     */
    function setPriceFeed(address _priceFeed) external onlyOwner {
        priceFeed = _priceFeed;
        emit PriceFeedSet(_priceFeed);
    }

    /**
     * @notice Set the guardian address
               The guardian can execute some emergency actions
     * @param _guardian Guardian address
     */
    function setGuardian(address _guardian) external onlyOwner {
        guardian = _guardian;
        emit GuardianSet(_guardian);
    }

    /// @notice Bootstrap period is added to current timestamp
    function setLspBootstrapPeriod(uint64 _bootstrapPeriod) external onlyOwner {
        lspBootstrapPeriod = uint64(block.timestamp) + _bootstrapPeriod;

        emit LSPBootstrapPeriodSet(_bootstrapPeriod);
    }

    function setRebalancerFee(address _rebalancer, uint16 _entryFee, uint16 _exitFee) external onlyOwner {
        require(_entryFee <= BP && _exitFee <= BP, "Fee too high");
        rebalancerFee[_rebalancer] = RebalancerFeeInfo({exists: true, entryFee: _entryFee, exitFee: _exitFee});
        emit RebalancerFees(_rebalancer, _entryFee, _exitFee);
    }

    function setEntryFee(uint16 _fee) external onlyOwner {
        require(_fee <= BP, "Fee too high");
        lspEntryFee = _fee;
        emit EntryFeeSet(_fee);
    }

    function setExitFee(uint16 _fee) external onlyOwner {
        require(_fee <= BP, "Fee too high");
        lspExitFee = _fee;
        emit ExitFeeSet(_fee);
    }

    function setInterestProtocolShare(uint16 _interestProtocolShare) external onlyOwner {
        require(_interestProtocolShare <= BP, "Share too high");
        interestProtocolShare = _interestProtocolShare;
        emit InterestProtocolShareSet(_interestProtocolShare);    
    }

    function setDefaultInterestReceiver(address _defaultInterestReceiver) external onlyOwner {
        require(_defaultInterestReceiver != address(0), "Zero address");
        defaultInterestReceiver = _defaultInterestReceiver;
        emit DefaultInterestReceiverSet(_defaultInterestReceiver);
    }

    function setPeripheryFlashLoanFee(address _periphery, uint16 _debtTokenFee, bool _existsForDebtToken) external onlyOwner {
        require(_debtTokenFee <= BP, "Fee too high");

        peripheryFlashLoanFee[_periphery] = FeeInfo({
            existsForDebtToken: _existsForDebtToken,
            debtTokenFee: _debtTokenFee
        });

        emit PeripheryFlashLoanFee(_periphery, _debtTokenFee);
    }

    function commitTransferOwnership(address newOwner) external onlyOwner {
        pendingOwner = newOwner;
        ownershipTransferDeadline = block.timestamp + OWNERSHIP_TRANSFER_DELAY;

        emit NewOwnerCommitted(msg.sender, newOwner, block.timestamp + OWNERSHIP_TRANSFER_DELAY);
    }

    function acceptTransferOwnership() external {
        require(msg.sender == pendingOwner, "Only new owner");
        require(block.timestamp >= ownershipTransferDeadline, "Deadline not passed");

        emit NewOwnerAccepted(owner, msg.sender);

        owner = pendingOwner;
        pendingOwner = address(0);
        ownershipTransferDeadline = 0;
    }

    function revokeTransferOwnership() external onlyOwner {
        emit NewOwnerRevoked(msg.sender, pendingOwner);

        pendingOwner = address(0);
        ownershipTransferDeadline = 0;
    }

    function getPeripheryFlashLoanFee(address periphery) external view returns (uint16) {
        FeeInfo memory info = peripheryFlashLoanFee[periphery];

        if (msg.sender == debtToken) {
            if (info.existsForDebtToken) {
                return info.debtTokenFee;
            }
        }

        return DEFAULT_FLASH_LOAN_FEE;
    }

    function getLspEntryFee(address rebalancer) external view returns (uint16) {
        if (rebalancerFee[rebalancer].exists) {
            return rebalancerFee[rebalancer].entryFee;
        } else {
            return lspEntryFee;
        }
    }

    function getLspExitFee(address rebalancer) external view returns (uint16) {
        if (rebalancerFee[rebalancer].exists) {
            return rebalancerFee[rebalancer].exitFee;
        } else {
            return lspExitFee;
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

interface IMetaCore {
    // ---------------------------------
    // Structures
    // ---------------------------------
    struct FeeInfo {
        bool existsForDebtToken;
        uint16 debtTokenFee;
    }

    struct RebalancerFeeInfo {
        bool exists;
        uint16 entryFee;
        uint16 exitFee;
    }

    // ---------------------------------
    // Public constants
    // ---------------------------------
    function OWNERSHIP_TRANSFER_DELAY() external view returns (uint256);
    function DEFAULT_FLASH_LOAN_FEE() external view returns (uint16);

    // ---------------------------------
    // Public state variables
    // ---------------------------------
    function debtToken() external view returns (address);
    function lspEntryFee() external view returns (uint16);
    function lspExitFee() external view returns (uint16);
    function interestProtocolShare() external view returns (uint16);
    /// @dev Default interest receiver for all PositionManagers, unless overriden in the respective PM
    function defaultInterestReceiver() external view returns (address);

    function feeReceiver() external view returns (address);
    function priceFeed() external view returns (address);
    function owner() external view returns (address);
    function pendingOwner() external view returns (address);
    function ownershipTransferDeadline() external view returns (uint256);
    function guardian() external view returns (address);
    function paused() external view returns (bool);
    function lspBootstrapPeriod() external view returns (uint64);

    // ---------------------------------
    // External functions
    // ---------------------------------
    function setFeeReceiver(address _feeReceiver) external;
    function setPriceFeed(address _priceFeed) external;
    function setGuardian(address _guardian) external;

    /**
     * @notice Global pause/unpause
     *         Pausing halts new deposits/borrowing across the protocol
     */
    function setPaused(bool _paused) external;

    /**
     * @notice Extend or change the LSP bootstrap period,
     *         after which certain protocol mechanics change
     */
    function setLspBootstrapPeriod(uint64 _bootstrapPeriod) external;

    /**
     * @notice Set a custom flash-loan fee for a given periphery contract
     * @param _periphery Target contract that will get this custom fee
     * @param _debtTokenFee Fee in basis points (bp)
     * @param _existsForDebtToken Whether this custom fee is used when the caller = `debtToken`
     */
    function setPeripheryFlashLoanFee(address _periphery, uint16 _debtTokenFee, bool _existsForDebtToken) external;

    /**
     * @notice Begin the ownership transfer process
     * @param newOwner The address proposed to be the new owner
     */
    function commitTransferOwnership(address newOwner) external;

    /**
     * @notice Finish the ownership transfer, after the mandatory delay
     */
    function acceptTransferOwnership() external;

    /**
     * @notice Revoke a pending ownership transfer
     */
    function revokeTransferOwnership() external;

    /**
     * @notice Look up a custom flash-loan fee for a specific periphery contract
     * @param peripheryContract The contract that might have a custom fee
     * @return The flash-loan fee in basis points
     */
    function getPeripheryFlashLoanFee(address peripheryContract) external view returns (uint16);

    /**
     * @notice Set / override entry & exit fees for a special rebalancer contract
     */
    function setRebalancerFee(address _rebalancer, uint16 _entryFee, uint16 _exitFee) external;

    /**
     * @notice Set the LSP entry fee globally
     * @param _fee Fee in basis points
     */
    function setEntryFee(uint16 _fee) external;

    /**
     * @notice Set the LSP exit fee globally
     * @param _fee Fee in basis points
     */
    function setExitFee(uint16 _fee) external;

    /**
     * @notice Set the interest protocol share globally to all PositionManagers
     * @param _interestProtocolShare Share in basis points
     */
    function setInterestProtocolShare(uint16 _interestProtocolShare) external;

    /**
     * @notice Look up the LSP entry fee for a rebalancer
     * @param rebalancer Possibly has a special fee
     * @return The entry fee in basis points
     */
    function getLspEntryFee(address rebalancer) external view returns (uint16);

    /**
     * @notice Look up the LSP exit fee for a rebalancer
     * @param rebalancer Possibly has a special fee
     * @return The exit fee in basis points
     */
    function getLspExitFee(address rebalancer) external view returns (uint16);

    // ---------------------------------
    // Events
    // ---------------------------------
    event NewOwnerCommitted(address indexed owner, address indexed pendingOwner, uint256 deadline);
    event NewOwnerAccepted(address indexed oldOwner, address indexed newOwner);
    event NewOwnerRevoked(address indexed owner, address indexed revokedOwner);

    event FeeReceiverSet(address indexed feeReceiver);
    event PriceFeedSet(address indexed priceFeed);
    event GuardianSet(address indexed guardian);
    event PeripheryFlashLoanFee(address indexed periphery, uint16 debtTokenFee);
    event LSPBootstrapPeriodSet(uint64 bootstrapPeriod);
    event RebalancerFees(address indexed rebalancer, uint16 entryFee, uint16 exitFee);
    event EntryFeeSet(uint16 fee);
    event ExitFeeSet(uint16 fee);
    event InterestProtocolShareSet(uint16 interestProtocolShare);
    event DefaultInterestReceiverSet(address indexed defaultInterestReceiver);
    event Paused();
    event Unpaused();
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin-upgradeable/contracts/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "solady/=lib/solady/src/",
    "@solmate/=lib/solmate/src/",
    "@chimera/=lib/chimera/src/",
    "forge-std/=lib/forge-std/src/",
    "@uniswap/v3-core/=lib/v3-core/",
    "@uniswap/v3-periphery/=lib/v3-periphery/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "chimera/=lib/chimera/src/",
    "ds-test/=lib/solmate/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "rewards/=lib/rewards/",
    "solmate/=lib/solmate/src/",
    "uniswap/=lib/uniswap/",
    "v3-core/=lib/v3-core/contracts/",
    "v3-periphery/=lib/v3-periphery/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false
}

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

-----Decoded View---------------
Arg [0] : _owner (address): 0x6Ecc8C5b77A81FC6126eF75eaeCDd2cD494d3805
Arg [1] : _guardian (address): 0x6Ecc8C5b77A81FC6126eF75eaeCDd2cD494d3805
Arg [2] : _priceFeed (address): 0xD9069E3F3EEb45d4E05b765142ba28f3BeB96F7a
Arg [3] : _debtToken (address): 0x0F26bBb8962d73bC891327F14dB5162D5279899F
Arg [4] : _feeReceiver (address): 0x686Ed0d7840dbd41cdaCD37C26E68E13eD317D34
Arg [5] : _lspEntryFee (uint16): 0
Arg [6] : _lspExitFee (uint16): 0
Arg [7] : _lspBootstrapPeriod (uint64): 0
Arg [8] : _defaultInterestReceiver (address): 0x6Ecc8C5b77A81FC6126eF75eaeCDd2cD494d3805

-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 0000000000000000000000006ecc8c5b77a81fc6126ef75eaecdd2cd494d3805
Arg [1] : 0000000000000000000000006ecc8c5b77a81fc6126ef75eaecdd2cd494d3805
Arg [2] : 000000000000000000000000d9069e3f3eeb45d4e05b765142ba28f3beb96f7a
Arg [3] : 0000000000000000000000000f26bbb8962d73bc891327f14db5162d5279899f
Arg [4] : 000000000000000000000000686ed0d7840dbd41cdacd37c26e68e13ed317d34
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [8] : 0000000000000000000000006ecc8c5b77a81fc6126ef75eaecdd2cd494d3805