false
false
0
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Contract Address Details

0xF29581169F3186b06629F64602780aD055C5e701

Contract Name
Whitelist
Creator
0x66f850–36be7e at 0x34f2bd–013674
Balance
0 ETH
Tokens
Fetching tokens...
Transactions
Fetching transactions...
Transfers
Fetching transfers...
Gas Used
Fetching gas used...
Last Balance Update
723844
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
Contract name:
Whitelist




Optimization enabled
true
Compiler version
v0.8.17+commit.8df45f5f




Optimization runs
200
EVM Version
default




Verified at
2024-06-02T10:09:50.888530Z

Constructor Arguments

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
              

contracts/Whitelist.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";

import "./interfaces/IWhitelist.sol";
import "./interfaces/IEmissionBooster.sol";
import "./libraries/ErrorCodes.sol";

contract Whitelist is IWhitelist, AccessControl, ReentrancyGuard {
    /// @notice The right part is the keccak-256 hash of variable name
    bytes32 public constant GATEKEEPER = bytes32(0x20162831d2f54c3e11eebafebfeda495d4c52c67b1708251179ec91fb76dd3b2);

    /// @notice EmissionBooster contract
    IEmissionBooster public immutable emissionBooster;

    /// @notice A maximum number of members. When membership reaches this number, no new members may
    /// join.
    uint256 public maxMembers;

    /// @notice The total number of members stored in the map.
    uint256 public memberCount;

    /// @notice Boolean variable. Protocol operation mode. In whitelist mode, only members
    /// from whitelist and who have NFT can work with protocol.
    bool public whitelistModeEnabled = true;

    // @notice Mapping of "accounts in the WhiteList"
    mapping(address => bool) public accountMembership;

    constructor(
        address _admin,
        IEmissionBooster emissionBooster_,
        uint256 _maxMembers,
        address[] memory memberList
    ) {
        require(memberList.length <= _maxMembers, ErrorCodes.MEMBERSHIP_LIMIT);

        _grantRole(DEFAULT_ADMIN_ROLE, _admin);
        _grantRole(GATEKEEPER, _admin);
        emissionBooster = emissionBooster_;
        maxMembers = _maxMembers;

        uint256 savedMembers = 0;
        for (uint256 i = 0; i < memberList.length; i++) {
            if (accountMembership[memberList[i]]) {
                continue;
            }
            accountMembership[memberList[i]] = true;
            savedMembers++;
            emit MemberAdded(memberList[i]);
        }
        memberCount = savedMembers;
    }

    /// @inheritdoc IWhitelist
    function addMember(address newAccount) external onlyRole(GATEKEEPER) {
        require(!accountMembership[newAccount], ErrorCodes.MEMBER_ALREADY_ADDED);
        require(memberCount < maxMembers, ErrorCodes.MEMBERSHIP_LIMIT_REACHED);

        accountMembership[newAccount] = true;
        memberCount++;

        emit MemberAdded(newAccount);
    }

    /// @inheritdoc IWhitelist
    function removeMember(address accountToRemove) external onlyRole(GATEKEEPER) {
        require(accountMembership[accountToRemove], ErrorCodes.MEMBER_NOT_EXIST);

        delete accountMembership[accountToRemove];
        memberCount--;

        emit MemberRemoved(accountToRemove);
    }

    /// @inheritdoc IWhitelist
    function turnOffWhitelistMode() external onlyRole(DEFAULT_ADMIN_ROLE) nonReentrant {
        whitelistModeEnabled = false;
        emit WhitelistModeWasTurnedOff();
        emissionBooster.enableEmissionBoosting();
    }

    /// @inheritdoc IWhitelist
    function setMaxMembers(uint256 newThreshold) external onlyRole(GATEKEEPER) {
        require(newThreshold >= memberCount, ErrorCodes.MEMBERSHIP_LIMIT);
        maxMembers = newThreshold;
        emit MaxMemberAmountChanged(newThreshold);
    }

    /// @inheritdoc IWhitelist
    function isWhitelisted(address who) external view returns (bool) {
        return !whitelistModeEnabled || accountMembership[who] || emissionBooster.isAccountHaveTiers(who);
    }
}
        

contracts/interfaces/IMToken.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "@openzeppelin/contracts/interfaces/IERC3156FlashLender.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import "@openzeppelin/contracts/access/IAccessControl.sol";
import "./IInterestRateModel.sol";

interface IMToken is IAccessControl, IERC20, IERC3156FlashLender, IERC165 {
    /**
     * @notice Event emitted when interest is accrued
     */
    event AccrueInterest(
        uint256 cashPrior,
        uint256 interestAccumulated,
        uint256 borrowIndex,
        uint256 totalBorrows,
        uint256 totalProtocolInterest
    );

    /**
     * @notice Event emitted when tokens are lended
     */
    event Lend(address lender, uint256 lendAmount, uint256 lendTokens, uint256 newTotalTokenSupply);

    /**
     * @notice Event emitted when tokens are redeemed
     */
    event Redeem(address redeemer, uint256 redeemAmount, uint256 redeemTokens, uint256 newTotalTokenSupply);

    /**
     * @notice Event emitted when underlying is borrowed
     */
    event Borrow(address borrower, uint256 borrowAmount, uint256 accountBorrows, uint256 totalBorrows);

    /**
     * @notice Event emitted when tokens are seized
     */
    event Seize(
        address borrower,
        address receiver,
        uint256 seizeTokens,
        uint256 accountsTokens,
        uint256 totalSupply,
        uint256 seizeUnderlyingAmount
    );

    /**
     * @notice Event emitted when a borrow is repaid
     */
    event RepayBorrow(
        address payer,
        address borrower,
        uint256 repayAmount,
        uint256 accountBorrows,
        uint256 totalBorrows
    );

    /**
     * @notice Event emitted when a borrow is repaid during autoliquidation
     */
    event AutoLiquidationRepayBorrow(
        address borrower,
        uint256 repayAmount,
        uint256 accountBorrowsNew,
        uint256 totalBorrowsNew,
        uint256 TotalProtocolInterestNew
    );

    /**
     * @notice Event emitted when flash loan is executed
     */
    event FlashLoanExecuted(address receiver, uint256 amount, uint256 fee);

    /**
     * @notice Event emitted when interestRateModel is changed
     */
    event NewMarketInterestRateModel(IInterestRateModel oldInterestRateModel, IInterestRateModel newInterestRateModel);

    /**
     * @notice Event emitted when the protocol interest factor is changed
     */
    event NewProtocolInterestFactor(
        uint256 oldProtocolInterestFactorMantissa,
        uint256 newProtocolInterestFactorMantissa
    );

    /**
     * @notice Event emitted when the flash loan max share is changed
     */
    event NewFlashLoanMaxShare(uint256 oldMaxShare, uint256 newMaxShare);

    /**
     * @notice Event emitted when the flash loan fee is changed
     */
    event NewFlashLoanFee(uint256 oldFee, uint256 newFee);

    /**
     * @notice Event emitted when the protocol interest are added
     */
    event ProtocolInterestAdded(address benefactor, uint256 addAmount, uint256 newTotalProtocolInterest);

    /**
     * @notice Event emitted when the protocol interest reduced
     */
    event ProtocolInterestReduced(address admin, uint256 reduceAmount, uint256 newTotalProtocolInterest);

    /**
     * @notice Value is the Keccak-256 hash of "TIMELOCK"
     */
    function TIMELOCK() external view returns (bytes32);

    /**
     * @notice Underlying asset for this MToken
     */
    function underlying() external view returns (IERC20);

    /**
     * @notice EIP-20 token name for this token
     */
    function name() external view returns (string memory);

    /**
     * @notice EIP-20 token symbol for this token
     */
    function symbol() external view returns (string memory);

    /**
     * @notice EIP-20 token decimals for this token
     */
    function decimals() external view returns (uint8);

    /**
     * @notice Model which tells what the current interest rate should be
     */
    function interestRateModel() external view returns (IInterestRateModel);

    /**
     * @notice Initial exchange rate used when lending the first MTokens (used when totalTokenSupply = 0)
     */
    function initialExchangeRateMantissa() external view returns (uint256);

    /**
     * @notice Fraction of interest currently set aside for protocol interest
     */
    function protocolInterestFactorMantissa() external view returns (uint256);

    /**
     * @notice Block number that interest was last accrued at
     */
    function accrualBlockNumber() external view returns (uint256);

    /**
     * @notice Accumulator of the total earned interest rate since the opening of the market
     */
    function borrowIndex() external view returns (uint256);

    /**
     * @notice Total amount of outstanding borrows of the underlying in this market
     */
    function totalBorrows() external view returns (uint256);

    /**
     * @notice Total amount of protocol interest of the underlying held in this market
     */
    function totalProtocolInterest() external view returns (uint256);

    /**
     * @notice Share of market's current underlying token balance that can be used as flash loan (scaled by 1e18).
     */
    function maxFlashLoanShare() external view returns (uint256);

    /**
     * @notice Share of flash loan amount that would be taken as fee (scaled by 1e18).
     */
    function flashLoanFeeShare() external view returns (uint256);

    /**
     * @notice Returns total token supply
     */
    function totalSupply() external view returns (uint256);

    /**
     * @notice Transfer `amount` tokens from `msg.sender` to `dst`
     * @param dst The address of the destination account
     * @param amount The number of tokens to transfer
     * @return Whether or not the transfer succeeded
     */
    function transfer(address dst, uint256 amount) external returns (bool);

    /**
     * @notice Transfer `amount` tokens from `src` to `dst`
     * @param src The address of the source account
     * @param dst The address of the destination account
     * @param amount The number of tokens to transfer
     * @return Whether or not the transfer succeeded
     */
    function transferFrom(
        address src,
        address dst,
        uint256 amount
    ) external returns (bool);

    /**
     * @notice Approve `spender` to transfer up to `amount` from `src`
     * @dev This will overwrite the approval amount for `spender`
     *  and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve)
     * @param spender The address of the account which may transfer tokens
     * @param amount The number of tokens that are approved (-1 means infinite)
     * @return Whether or not the approval succeeded
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @notice Get the current allowance from `owner` for `spender`
     * @param owner The address of the account which owns the tokens to be spent
     * @param spender The address of the account which may transfer tokens
     * @return The number of tokens allowed to be spent (-1 means infinite)
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @notice Get the token balance of the `owner`
     * @param owner The address of the account to query
     * @return The number of tokens owned by `owner`
     */
    function balanceOf(address owner) external view returns (uint256);

    /**
     * @notice Get the underlying balance of the `owner`
     * @dev This also accrues interest in a transaction
     * @param owner The address of the account to query
     * @return The amount of underlying owned by `owner`
     */
    function balanceOfUnderlying(address owner) external returns (uint256);

    /**
     * @notice Get a snapshot of the account's balances, and the cached exchange rate
     * @dev This is used by supervisor to more efficiently perform liquidity checks.
     * @param account Address of the account to snapshot
     * @return (token balance, borrow balance, exchange rate mantissa)
     */
    function getAccountSnapshot(address account)
        external
        view
        returns (
            uint256,
            uint256,
            uint256
        );

    /**
     * @notice Returns the current per-block borrow interest rate for this mToken
     * @return The borrow interest rate per block, scaled by 1e18
     */
    function borrowRatePerBlock() external view returns (uint256);

    /**
     * @notice Returns the current per-block supply interest rate for this mToken
     * @return The supply interest rate per block, scaled by 1e18
     */
    function supplyRatePerBlock() external view returns (uint256);

    /**
     * @notice Returns the current total borrows plus accrued interest
     * @return The total borrows with interest
     */
    function totalBorrowsCurrent() external returns (uint256);

    /**
     * @notice Accrue interest to updated borrowIndex and then calculate account's
     *         borrow balance using the updated borrowIndex
     * @param account The address whose balance should be calculated after updating borrowIndex
     * @return The calculated balance
     */
    function borrowBalanceCurrent(address account) external returns (uint256);

    /**
     * @notice Return the borrow balance of account based on stored data
     * @param account The address whose balance should be calculated
     * @return The calculated balance
     */
    function borrowBalanceStored(address account) external view returns (uint256);

    /**
     * @notice Accrue interest then return the up-to-date exchange rate
     * @return Calculated exchange rate scaled by 1e18
     */
    function exchangeRateCurrent() external returns (uint256);

    /**
     * @notice Calculates the exchange rate from the underlying to the MToken
     * @dev This function does not accrue interest before calculating the exchange rate
     * @return Calculated exchange rate scaled by 1e18
     */
    function exchangeRateStored() external view returns (uint256);

    /**
     * @notice Get cash balance of this mToken in the underlying asset
     * @return The quantity of underlying asset owned by this contract
     */
    function getCash() external view returns (uint256);

    /**
     * @notice Applies accrued interest to total borrows and protocol interest
     * @dev This calculates interest accrued from the last checkpointed block
     *   up to the current block and writes new checkpoint to storage.
     */
    function accrueInterest() external;

    /**
     * @notice Sender supplies assets into the market and receives mTokens in exchange
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param lendAmount The amount of the underlying asset to supply
     */
    function lend(uint256 lendAmount) external;

    /**
     * @notice Sender redeems mTokens in exchange for the underlying asset
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param redeemTokens The number of mTokens to redeem into underlying
     */
    function redeem(uint256 redeemTokens) external;

    /**
     * @notice Redeems all mTokens for account in exchange for the underlying asset.
     * Can only be called within the AML system!
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param account An account that is potentially sanctioned by the AML system
     */
    function redeemByAmlDecision(address account) external;

    /**
     * @notice Sender redeems mTokens in exchange for a specified amount of underlying asset
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param redeemAmount The amount of underlying to receive from redeeming mTokens
     */
    function redeemUnderlying(uint256 redeemAmount) external;

    /**
     * @notice Sender borrows assets from the protocol to their own address
     * @param borrowAmount The amount of the underlying asset to borrow
     */
    function borrow(uint256 borrowAmount) external;

    /**
     * @notice Sender repays their own borrow
     * @param repayAmount The amount to repay
     */
    function repayBorrow(uint256 repayAmount) external;

    /**
     * @notice Sender repays a borrow belonging to borrower
     * @param borrower the account with the debt being payed off
     * @param repayAmount The amount to repay
     */
    function repayBorrowBehalf(address borrower, uint256 repayAmount) external;

    /**
     * @notice Liquidator repays a borrow belonging to borrower
     * @param borrower_ the account with the debt being payed off
     * @param repayAmount_ the amount of underlying tokens being returned
     */
    function autoLiquidationRepayBorrow(address borrower_, uint256 repayAmount_) external;

    /**
     * @notice A public function to sweep accidental ERC-20 transfers to this contract.
     *         Tokens are sent to admin (timelock)
     * @param token The address of the ERC-20 token to sweep
     * @dev RESTRICTION: Admin only.
     */
    function sweepToken(IERC20 token, address admin_) external;

    /**
     * @notice Burns collateral tokens at the borrower's address, transfer underlying assets
     to the Liquidator address.
     * @dev Called only during an auto liquidation process, msg.sender must be the Liquidation contract.
     * @param borrower_ The account having collateral seized
     * @param seizeUnderlyingAmount_ The number of underlying assets to seize. The caller must ensure
     that the parameter is greater than zero.
     * @param isLoanInsignificant_ Marker for insignificant loan whose collateral must be credited to the
     protocolInterest
     * @param receiver_ Address that receives accounts collateral
     */
    function autoLiquidationSeize(
        address borrower_,
        uint256 seizeUnderlyingAmount_,
        bool isLoanInsignificant_,
        address receiver_
    ) external;

    /**
     * @notice The amount of currency available to be lent.
     * @param token The loan currency.
     * @return The amount of `token` that can be borrowed.
     */
    function maxFlashLoan(address token) external view returns (uint256);

    /**
     * @notice The fee to be charged for a given loan.
     * @param token The loan currency.
     * @param amount The amount of tokens lent.
     * @return The amount of `token` to be charged for the loan, on top of the returned principal.
     */
    function flashFee(address token, uint256 amount) external view returns (uint256);

    /**
     * @notice Initiate a flash loan.
     * @param receiver The receiver of the tokens in the loan, and the receiver of the callback.
     * @param token The loan currency.
     * @param amount The amount of tokens lent.
     * @param data Arbitrary data structure, intended to contain user-defined parameters.
     */
    function flashLoan(
        IERC3156FlashBorrower receiver,
        address token,
        uint256 amount,
        bytes calldata data
    ) external returns (bool);

    /**
     * @notice accrues interest and sets a new protocol interest factor for the protocol
     * @dev Admin function to accrue interest and set a new protocol interest factor
     * @dev RESTRICTION: Timelock only.
     */
    function setProtocolInterestFactor(uint256 newProtocolInterestFactorMantissa) external;

    /**
     * @notice Accrues interest and increase protocol interest by transferring from msg.sender
     * @param addAmount_ Amount of addition to protocol interest
     */
    function addProtocolInterest(uint256 addAmount_) external;

    /**
     * @notice Can only be called by liquidation contract. Increase protocol interest by transferring from payer.
     * @dev Calling code should make sure that accrueInterest() was called before.
     * @param payer_ The address from which the protocol interest will be transferred
     * @param addAmount_ Amount of addition to protocol interest
     */
    function addProtocolInterestBehalf(address payer_, uint256 addAmount_) external;

    /**
     * @notice Accrues interest and reduces protocol interest by transferring to admin
     * @param reduceAmount Amount of reduction to protocol interest
     * @dev RESTRICTION: Admin only.
     */
    function reduceProtocolInterest(uint256 reduceAmount, address admin_) external;

    /**
     * @notice accrues interest and updates the interest rate model using setInterestRateModelFresh
     * @dev Admin function to accrue interest and update the interest rate model
     * @param newInterestRateModel the new interest rate model to use
     * @dev RESTRICTION: Timelock only.
     */
    function setInterestRateModel(IInterestRateModel newInterestRateModel) external;

    /**
     * @notice Updates share of markets cash that can be used as maximum amount of flash loan.
     * @param newMax New max amount share
     * @dev RESTRICTION: Timelock only.
     */
    function setFlashLoanMaxShare(uint256 newMax) external;

    /**
     * @notice Updates fee of flash loan.
     * @param newFee New fee share of flash loan
     * @dev RESTRICTION: Timelock only.
     */
    function setFlashLoanFeeShare(uint256 newFee) external;
}
          

contracts/interfaces/IRewardsHub.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "./IRewardsHubLight.sol";

interface IRewardsHub is IRewardsHubLight {
    event RewardUnlocked(address account, uint256 amount);

    /**
     * @notice Gets summary amount of available and delayed balances of an account.
     */
    function totalBalanceOf(address account) external view override returns (uint256);

    /**
     * @notice Gets part of delayed rewards that is unlocked and have become available.
     */
    function getUnlockableRewards(address account) external view returns (uint256);
}
          

@openzeppelin/contracts/access/AccessControl.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```solidity
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```solidity
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
 * to enforce additional security measures for this role.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(account),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}
          

@openzeppelin/contracts/access/IAccessControl.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}
          

@openzeppelin/contracts/interfaces/IERC3156FlashBorrower.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC3156FlashBorrower.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC3156 FlashBorrower, as defined in
 * https://eips.ethereum.org/EIPS/eip-3156[ERC-3156].
 *
 * _Available since v4.1._
 */
interface IERC3156FlashBorrower {
    /**
     * @dev Receive a flash loan.
     * @param initiator The initiator of the loan.
     * @param token The loan currency.
     * @param amount The amount of tokens lent.
     * @param fee The additional amount of tokens to repay.
     * @param data Arbitrary data structure, intended to contain user-defined parameters.
     * @return The keccak256 hash of "ERC3156FlashBorrower.onFlashLoan"
     */
    function onFlashLoan(
        address initiator,
        address token,
        uint256 amount,
        uint256 fee,
        bytes calldata data
    ) external returns (bytes32);
}
          

@openzeppelin/contracts/interfaces/IERC3156FlashLender.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC3156FlashLender.sol)

pragma solidity ^0.8.0;

import "./IERC3156FlashBorrower.sol";

/**
 * @dev Interface of the ERC3156 FlashLender, as defined in
 * https://eips.ethereum.org/EIPS/eip-3156[ERC-3156].
 *
 * _Available since v4.1._
 */
interface IERC3156FlashLender {
    /**
     * @dev The amount of currency available to be lended.
     * @param token The loan currency.
     * @return The amount of `token` that can be borrowed.
     */
    function maxFlashLoan(address token) external view returns (uint256);

    /**
     * @dev The fee to be charged for a given loan.
     * @param token The loan currency.
     * @param amount The amount of tokens lent.
     * @return The amount of `token` to be charged for the loan, on top of the returned principal.
     */
    function flashFee(address token, uint256 amount) external view returns (uint256);

    /**
     * @dev Initiate a flash loan.
     * @param receiver The receiver of the tokens in the loan, and the receiver of the callback.
     * @param token The loan currency.
     * @param amount The amount of tokens lent.
     * @param data Arbitrary data structure, intended to contain user-defined parameters.
     */
    function flashLoan(
        IERC3156FlashBorrower receiver,
        address token,
        uint256 amount,
        bytes calldata data
    ) external returns (bool);
}
          

@openzeppelin/contracts/security/ReentrancyGuard.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}
          

@openzeppelin/contracts/token/ERC1155/IERC1155.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(
        address[] calldata accounts,
        uint256[] calldata ids
    ) external view returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes calldata data) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}
          

@openzeppelin/contracts/token/ERC20/IERC20.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
          

@openzeppelin/contracts/utils/Context.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}
          

@openzeppelin/contracts/utils/Strings.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.sol";

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

    /**
     * @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), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(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) {
        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] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        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 keccak256(bytes(a)) == keccak256(bytes(b));
    }
}
          

@openzeppelin/contracts/utils/introspection/ERC165.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}
          

@openzeppelin/contracts/utils/introspection/IERC165.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * 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[EIP 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);
}
          

@openzeppelin/contracts/utils/math/Math.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @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 up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev 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 2^256 and mod 2^256 - 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 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                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 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv 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.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

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

                // Flip twos such that it is 2^256 / 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 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            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 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // 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 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, 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;
        }
    }

    /**
     * @notice 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) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice 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 + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 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 + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * 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 + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * 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;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 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 + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}
          

@openzeppelin/contracts/utils/math/SignedMath.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.0;

/**
 * @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 {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}
          

contracts/interfaces/IBuyback.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "@openzeppelin/contracts/access/IAccessControl.sol";
import "./ILinkageLeaf.sol";

interface IBuyback is IAccessControl, ILinkageLeaf {
    event Stake(address who, uint256 amount);
    event Unstake(address who, uint256 amount);
    event NewBuyback(uint256 amount, uint256 share);
    event ParticipateBuyback(address who);
    event LeaveBuyback(address who, uint256 currentStaked);
    event BuybackWeightChanged(address who, uint256 newWeight, uint256 oldWeight, uint256 newTotalWeight);
    event LoyaltyParametersChanged(uint256 newCoreFactor, uint32 newCoreResetPenalty);
    event LoyaltyStrataChanged();
    event LoyaltyGroupsChanged(uint256 newGroupCount);

    /**
     * @notice Gets info about account membership in Buyback
     */
    function getMemberInfo(address account)
        external
        view
        returns (
            bool participating,
            uint256 weight,
            uint256 lastIndex,
            uint256 stakeAmount
        );

    /**
     * @notice Gets info about accounts loyalty calculation
     */
    function getLoyaltyInfo(address account)
        external
        view
        returns (
            uint32 loyaltyStart,
            uint256 coreBalance,
            uint256 lastBalance
        );

    /**
     * @notice Gets if an account is participating in Buyback
     */
    function isParticipating(address account) external view returns (bool);

    /**
     * @notice Gets stake of the account
     */
    function getStakedAmount(address account) external view returns (uint256);

    /**
     * @notice Gets buyback weight of an account
     */
    function getWeight(address account) external view returns (uint256);

    /**
     * @notice Gets loyalty factor of an account with given balance.
     */
    function getLoyaltyFactorForBalance(address account, uint256 balance) external view returns (uint256);

    /**
     * @notice Gets total Buyback weight, which is the sum of weights of all accounts.
     */
    function getTotalWeight() external view returns (uint256);

    /**
     * @notice Gets current Buyback index.
     * Its the accumulated sum of MNTs shares that are given for each weight of an account.
     */
    function getBuybackIndex() external view returns (uint256);

    /**
     * @notice Gets all global loyalty parameters.
     */
    function getLoyaltyParameters()
        external
        view
        returns (
            uint256[24] memory loyaltyStrata,
            uint256[] memory groupThresholds,
            uint32[] memory groupStartStrata,
            uint256 coreFactor,
            uint32 coreResetPenalty
        );

    /**
     * @notice Stakes the specified amount of MNT and transfers them to this contract.
     * @notice This contract should be approved to transfer MNT from sender account
     * @param amount The amount of MNT to stake
     */
    function stake(uint256 amount) external;

    /**
     * @notice Unstakes the specified amount of MNT and transfers them back to sender if he participates
     *         in the Buyback system, otherwise just transfers MNT tokens to the sender.
     *         would not be greater than staked amount left. If `amount == MaxUint256` unstakes all staked tokens.
     * @param amount The amount of MNT to unstake
     */
    function unstake(uint256 amount) external;

    /**
     * @notice Claims buyback rewards, updates buyback weight and voting power.
     * Does nothing if account is not participating. Reverts if operation is paused.
     * @param account Address to update weights for
     */
    function updateBuybackAndVotingWeights(address account) external;

    /**
     * @notice Claims buyback rewards, updates buyback weight and voting power.
     * Does nothing if account is not participating or update is paused.
     * @param account Address to update weights for
     */
    function updateBuybackAndVotingWeightsRelaxed(address account) external;

    /**
     * @notice Does a buyback using the specified amount of MNT from sender's account
     * @param amount The amount of MNT to take and distribute as buyback
     * @dev RESTRICTION: Distributor only
     */
    function buyback(uint256 amount) external;

    /**
     * @notice Make account participating in the buyback.
     */
    function participate() external;

    /**
     * @notice Make accounts participate in buyback before its start.
     * @param accounts Address to make participate in buyback.
     * @dev RESTRICTION: Admin only
     */
    function participateOnBehalf(address[] memory accounts) external;

    /**
     * @notice Leave buyback participation, claim any MNTs rewarded by the buyback.
     * Leaving does not withdraw staked MNTs but reduces weight of the account to zero
     */
    function leave() external;

    /**
     * @notice Leave buyback participation on behalf, claim any MNTs rewarded by the buyback and
     * reduce the weight of account to zero. All staked MNTs remain on the buyback contract and available
     * for their owner to be claimed
     * Can only be called if (timestamp > participantLastVoteTimestamp + maxNonVotingPeriod).
     * @param participant Address to leave for
     * @dev RESTRICTION: GATEKEEPER only
     */
    function leaveOnBehalf(address participant) external;

    /**
     * @notice Leave buyback participation on behalf, claim any MNTs rewarded by the buyback and
     * reduce the weight of account to zero. All staked MNTs remain on the buyback contract and available
     * for their owner to be claimed.
     * @dev Function to leave sanctioned accounts from Buyback system
     * Can only be called if the participant is sanctioned by the AML system.
     * @param participant Address to leave for
     */
    function leaveByAmlDecision(address participant) external;

    /**
     * @notice Changes loyalty core factor and core reset penalty parameters.
     * @dev RESTRICTION: Admin only
     */
    function setLoyaltyParameters(uint256 newCoreFactor, uint32 newCoreResetPenalty) external;

    /**
     * @notice Sets new loyalty factors for all strata.
     * @dev RESTRICTION: Admin only
     */
    function setLoyaltyStrata(uint256[24] memory newLoyaltyStrata) external;

    /**
     * @notice Sets new groups and their parameters
     * @param newGroupThresholds New list of groups and their balance thresholds.
     * @param newGroupStartStrata Indexes of starting stratum of each group. First index MUST be zero.
     *        Length of array must be equal to the newGroupThresholds
     * @dev RESTRICTION: Admin only
     */
    function setLoyaltyGroups(uint256[] memory newGroupThresholds, uint32[] memory newGroupStartStrata) external;
}
          

contracts/interfaces/IEmissionBooster.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "@openzeppelin/contracts/access/IAccessControl.sol";

import "./ISupervisor.sol";
import "./IRewardsHub.sol";
import "./IMToken.sol";
import "./ILinkageLeaf.sol";

interface IEmissionBooster is IAccessControl, ILinkageLeaf {
    /**
     * @notice Emitted when new Tier was created
     */
    event NewTierCreated(uint256 createdTier, uint32 endBoostBlock, uint256 emissionBoost);

    /**
     * @notice Emitted when Tier was enabled
     */
    event TierEnabled(
        IMToken market,
        uint256 enabledTier,
        uint32 startBoostBlock,
        uint224 mntSupplyIndex,
        uint224 mntBorrowIndex
    );

    /**
     * @notice Emitted when emission boost mode was enabled
     */
    event EmissionBoostEnabled(address caller);

    /**
     * @notice Emitted when MNT supply index of the tier ending on the market was saved to storage
     */
    event SupplyIndexUpdated(address market, uint256 nextTier, uint224 newIndex, uint32 endBlock);

    /**
     * @notice Emitted when MNT borrow index of the tier ending on the market was saved to storage
     */
    event BorrowIndexUpdated(address market, uint256 nextTier, uint224 newIndex, uint32 endBlock);

    /**
     * @notice get the Tier for each MinterestNFT token
     */
    function tokenTier(uint256) external view returns (uint256);

    /**
     * @notice get a list of all created Tiers
     */
    function tiers(uint256)
        external
        view
        returns (
            uint32,
            uint32,
            uint256
        );

    /**
     * @notice get status of emission boost mode.
     */
    function isEmissionBoostingEnabled() external view returns (bool);

    /**
     * @notice get Stored markets indexes per block.
     */
    function marketSupplyIndexes(IMToken, uint256) external view returns (uint256);

    /**
     * @notice get Stored markets indexes per block.
     */
    function marketBorrowIndexes(IMToken, uint256) external view returns (uint256);

    /**
     * @notice Mint token hook which is called from MinterestNFT.mint() and sets specific
     *      settings for this NFT
     * @param to_ NFT ovner
     * @param ids_ NFTs IDs
     * @param amounts_ Amounts of minted NFTs per tier
     * @param tiers_ NFT tiers
     * @dev RESTRICTION: MinterestNFT only
     */
    function onMintToken(
        address to_,
        uint256[] memory ids_,
        uint256[] memory amounts_,
        uint256[] memory tiers_
    ) external;

    /**
     * @notice Transfer token hook which is called from MinterestNFT.transfer() and sets specific
     *      settings for this NFT
     * @param from_ Address of the tokens previous owner. Should not be zero (minter).
     * @param to_ Address of the tokens new owner.
     * @param ids_ NFTs IDs
     * @param amounts_ Amounts of minted NFTs per tier
     * @dev RESTRICTION: MinterestNFT only
     */
    function onTransferToken(
        address from_,
        address to_,
        uint256[] memory ids_,
        uint256[] memory amounts_
    ) external;

    /**
     * @notice Enables emission boost mode.
     * @dev Admin function for enabling emission boosts.
     * @dev RESTRICTION: Whitelist only
     */
    function enableEmissionBoosting() external;

    /**
     * @notice Creates new Tiers for MinterestNFT tokens
     * @dev Admin function for creating Tiers
     * @param endBoostBlocks Emission boost end blocks for created Tiers
     * @param emissionBoosts Emission boosts for created Tiers, scaled by 1e18
     * Note: The arrays passed to the function must be of the same length and the order of the elements must match
     *      each other
     * @dev RESTRICTION: Admin only
     */
    function createTiers(uint32[] memory endBoostBlocks, uint256[] memory emissionBoosts) external;

    /**
     * @notice Enables emission boost in specified Tiers
     * @param tiersForEnabling Tier for enabling emission boost
     * @dev RESTRICTION: Admin only
     */
    function enableTiers(uint256[] memory tiersForEnabling) external;

    /**
     * @notice Return the number of created Tiers
     * @return The number of created Tiers
     */
    function getNumberOfTiers() external view returns (uint256);

    /**
     * @notice Checks if the specified Tier is active
     * @param tier_ The Tier that is being checked
     */
    function isTierActive(uint256 tier_) external view returns (bool);

    /**
     * @notice Checks if the specified Tier exists
     * @param tier_ The Tier that is being checked
     */
    function tierExists(uint256 tier_) external view returns (bool);

    /**
     * @param account_ The address of the account
     * @return Bitmap of all accounts tiers
     */
    function getAccountTiersBitmap(address account_) external view returns (uint256);

    /**
     * @param account_ The address of the account to check if they have any tokens with tier
     */
    function isAccountHaveTiers(address account_) external view returns (bool);

    /**
     * @param account_ Address of the account
     * @return tier Highest tier number
     * @return boost Highest boost amount
     */
    function getCurrentAccountBoost(address account_) external view returns (uint256 tier, uint256 boost);

    /**
     * @notice Calculates emission boost for the account.
     * @param market_ Market for which we are calculating emission boost
     * @param account_ The address of the account for which we are calculating emission boost
     * @param userLastIndex_ The account's last updated mntBorrowIndex or mntSupplyIndex
     * @param userLastBlock_ The block number in which the index for the account was last updated
     * @param marketIndex_ The market's current mntBorrowIndex or mntSupplyIndex
     * @param isSupply_ boolean value, if true, then return calculate emission boost for suppliers
     * @return boostedIndex Boost part of delta index
     */
    function calculateEmissionBoost(
        IMToken market_,
        address account_,
        uint256 userLastIndex_,
        uint256 userLastBlock_,
        uint256 marketIndex_,
        bool isSupply_
    ) external view returns (uint256 boostedIndex);

    /**
     * @notice Update MNT supply index for market for NFT tiers that are expired but not yet updated.
     * @dev This function checks if there are tiers to update and process them one by one:
     *      calculates the MNT supply index depending on the delta index and delta blocks between
     *      last MNT supply index update and the current state,
     *      emits SupplyIndexUpdated event and recalculates next tier to update.
     * @param market Address of the market to update
     * @param lastUpdatedBlock Last updated block number
     * @param lastUpdatedIndex Last updated index value
     * @param currentSupplyIndex Current MNT supply index value
     * @dev RESTRICTION: RewardsHub only
     */
    function updateSupplyIndexesHistory(
        IMToken market,
        uint256 lastUpdatedBlock,
        uint256 lastUpdatedIndex,
        uint256 currentSupplyIndex
    ) external;

    /**
     * @notice Update MNT borrow index for market for NFT tiers that are expired but not yet updated.
     * @dev This function checks if there are tiers to update and process them one by one:
     *      calculates the MNT borrow index depending on the delta index and delta blocks between
     *      last MNT borrow index update and the current state,
     *      emits BorrowIndexUpdated event and recalculates next tier to update.
     * @param market Address of the market to update
     * @param lastUpdatedBlock Last updated block number
     * @param lastUpdatedIndex Last updated index value
     * @param currentBorrowIndex Current MNT borrow index value
     * @dev RESTRICTION: RewardsHub only
     */
    function updateBorrowIndexesHistory(
        IMToken market,
        uint256 lastUpdatedBlock,
        uint256 lastUpdatedIndex,
        uint256 currentBorrowIndex
    ) external;

    /**
     * @notice Get Id of NFT tier to update next on provided market MNT index, supply or borrow
     * @param market Market for which should the next Tier to update be updated
     * @param isSupply_ Flag that indicates whether MNT supply or borrow market should be updated
     * @return Id of tier to update
     */
    function getNextTierToBeUpdatedIndex(IMToken market, bool isSupply_) external view returns (uint256);
}
          

contracts/interfaces/IInterestRateModel.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "@openzeppelin/contracts/utils/introspection/IERC165.sol";

/**
 * @title Minterest InterestRateModel Interface
 * @author Minterest
 */
interface IInterestRateModel {
    /**
     * @notice Calculates the current borrow interest rate per block
     * @param cash The total amount of cash the market has
     * @param borrows The total amount of borrows the market has outstanding
     * @param protocolInterest The total amount of protocol interest the market has
     * @return The borrow rate per block (as a percentage, and scaled by 1e18)
     */
    function getBorrowRate(
        uint256 cash,
        uint256 borrows,
        uint256 protocolInterest
    ) external view returns (uint256);

    /**
     * @notice Calculates the current supply interest rate per block
     * @param cash The total amount of cash the market has
     * @param borrows The total amount of borrows the market has outstanding
     * @param protocolInterest The total amount of protocol interest the market has
     * @param protocolInterestFactorMantissa The current protocol interest factor the market has
     * @return The supply rate per block (as a percentage, and scaled by 1e18)
     */
    function getSupplyRate(
        uint256 cash,
        uint256 borrows,
        uint256 protocolInterest,
        uint256 protocolInterestFactorMantissa
    ) external view returns (uint256);
}
          

contracts/interfaces/ILinkageLeaf.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "./ILinkageRoot.sol";

interface ILinkageLeaf {
    /**
     * @notice Emitted when root contract address is changed
     */
    event LinkageRootSwitched(ILinkageRoot newRoot, ILinkageRoot oldRoot);

    /**
     * @notice Connects new root contract address
     * @param newRoot New root contract address
     */
    function switchLinkageRoot(ILinkageRoot newRoot) external;
}
          

contracts/interfaces/ILinkageRoot.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

interface ILinkageRoot {
    /**
     * @notice Emitted when new root contract connected to all leafs
     */
    event LinkageRootSwitch(ILinkageRoot newRoot);

    /**
     * @notice Emitted when root interconnects its contracts
     */
    event LinkageRootInterconnected();

    /**
     * @notice Connects new root to all leafs contracts
     * @param newRoot New root contract address
     */
    function switchLinkageRoot(ILinkageRoot newRoot) external;

    /**
     * @notice Update root for all leaf contracts
     * @dev Should include only leaf contracts
     */
    function interconnect() external;
}
          

contracts/interfaces/IRewardsHubLight.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "./IMToken.sol";
import "./ILinkageLeaf.sol";

interface IRewardsHubLight is ILinkageLeaf {
    event DistributedSupplierMnt(IMToken mToken, address supplier, uint256 mntDelta, uint256 mntSupplyIndex);
    event DistributedBorrowerMnt(IMToken mToken, address borrower, uint256 mntDelta, uint256 mntBorrowIndex);
    event EmissionRewardAccrued(address account, uint256 amount);
    event RepresentativeRewardAccrued(address account, address provider, uint256 amount);
    event BuybackRewardAccrued(address account, uint256 amount);

    event Withdraw(address account, uint256 amount);
    event MntGranted(address recipient, uint256 amount);

    event MntSupplyEmissionRateUpdated(IMToken mToken, uint256 newSupplyEmissionRate);
    event MntBorrowEmissionRateUpdated(IMToken mToken, uint256 newBorrowEmissionRate);

    /**
     * @notice get keccak-256 hash of gatekeeper
     */
    function GATEKEEPER() external view returns (bytes32);

    /**
     * @notice get keccak-256 hash of timelock
     */
    function TIMELOCK() external view returns (bytes32);

    /**
     * @notice Gets the rate at which MNT is distributed to the corresponding supply market (per block)
     */
    function mntSupplyEmissionRate(IMToken) external view returns (uint256);

    /**
     * @notice Gets the rate at which MNT is distributed to the corresponding borrow market (per block)
     */
    function mntBorrowEmissionRate(IMToken) external view returns (uint256);

    /**
     * @notice Gets the MNT market supply state for each market
     */
    function mntSupplyState(IMToken) external view returns (uint224 index, uint32 blockN);

    /**
     * @notice Gets the MNT market borrow state for each market
     */
    function mntBorrowState(IMToken) external view returns (uint224 index, uint32 blockN);

    /**
     * @notice Gets the MNT supply index and block number for each market
     */
    function mntSupplierState(IMToken, address) external view returns (uint224 index, uint32 blockN);

    /**
     * @notice Gets the MNT borrow index and block number for each market
     */
    function mntBorrowerState(IMToken, address) external view returns (uint224 index, uint32 blockN);

    /**
     * @notice Gets amount of available balance of an account.
     */
    function totalBalanceOf(address account) external view returns (uint256);

    /**
     * @notice Gets amount of MNT that can be withdrawn from an account at this block.
     */
    function availableBalanceOf(address account) external view returns (uint256);

    /**
     * @notice Initializes market in RewardsHub. Should be called once from Supervisor.supportMarket
     * @dev RESTRICTION: Supervisor only
     */
    function initMarket(IMToken mToken) external;

    /**
     * @notice Accrues MNT to the market by updating the borrow and supply indexes
     * @dev This method doesn't update MNT index history in Minterest NFT.
     * @param market The market whose supply and borrow index to update
     * @return (MNT supply index, MNT borrow index)
     */
    function updateAndGetMntIndexes(IMToken market) external returns (uint224, uint224);

    /**
     * @notice Shorthand function to distribute MNT emissions from supplies of one market.
     */
    function distributeSupplierMnt(IMToken mToken, address account) external;

    /**
     * @notice Shorthand function to distribute MNT emissions from borrows of one market.
     */
    function distributeBorrowerMnt(IMToken mToken, address account) external;

    /**
     * @notice Updates market indexes and distributes tokens (if any) for holder
     * @dev Updates indexes and distributes only for those markets where the holder have a
     * non-zero supply or borrow balance.
     * @param account The address to distribute MNT for
     */
    function distributeAllMnt(address account) external;

    /**
     * @notice Distribute all MNT accrued by the accounts
     * @param accounts The addresses to distribute MNT for
     * @param mTokens The list of markets to distribute MNT in
     * @param borrowers Whether or not to distribute MNT earned by borrowing
     * @param suppliers Whether or not to distribute MNT earned by supplying
     */
    function distributeMnt(
        address[] memory accounts,
        IMToken[] memory mTokens,
        bool borrowers,
        bool suppliers
    ) external;

    /**
     * @notice Accrues buyback reward
     * @dev RESTRICTION: Buyback only
     */
    function accrueBuybackReward(address account, uint256 amount) external;

    /**
     * @notice Transfers available part of MNT rewards to the sender.
     * This will decrease accounts buyback and voting weights.
     */
    function withdraw(uint256 amount) external;

    /**
     * @notice Transfers
     * @dev RESTRICTION: Admin only
     */
    function grant(address recipient, uint256 amount) external;

    /**
     * @notice Set MNT borrow and supply emission rates for a single market
     * @param mToken The market whose MNT emission rate to update
     * @param newMntSupplyEmissionRate New supply MNT emission rate for market
     * @param newMntBorrowEmissionRate New borrow MNT emission rate for market
     * @dev RESTRICTION Timelock only
     */
    function setMntEmissionRates(
        IMToken mToken,
        uint256 newMntSupplyEmissionRate,
        uint256 newMntBorrowEmissionRate
    ) external;
}
          

contracts/interfaces/ISupervisor.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "@openzeppelin/contracts/access/IAccessControl.sol";
import "./IMToken.sol";
import "./IBuyback.sol";
import "./IRewardsHub.sol";
import "./ILinkageLeaf.sol";
import "./IWhitelist.sol";

/**
 * @title Minterest Supervisor Contract
 * @author Minterest
 */
interface ISupervisor is IAccessControl, ILinkageLeaf {
    /**
     * @notice Emitted when an admin supports a market
     */
    event MarketListed(IMToken mToken);

    /**
     * @notice Emitted when an account enable a market
     */
    event MarketEnabledAsCollateral(IMToken mToken, address account);

    /**
     * @notice Emitted when an account disable a market
     */
    event MarketDisabledAsCollateral(IMToken mToken, address account);

    /**
     * @notice Emitted when a utilisation factor is changed by admin
     */
    event NewUtilisationFactor(
        IMToken mToken,
        uint256 oldUtilisationFactorMantissa,
        uint256 newUtilisationFactorMantissa
    );

    /**
     * @notice Emitted when liquidation fee is changed by admin
     */
    event NewLiquidationFee(IMToken marketAddress, uint256 oldLiquidationFee, uint256 newLiquidationFee);

    /**
     * @notice Emitted when borrow cap for a mToken is changed
     */
    event NewBorrowCap(IMToken indexed mToken, uint256 newBorrowCap);

    /**
     * @notice Per-account mapping of "assets you are in"
     */
    function accountAssets(address, uint256) external view returns (IMToken);

    /**
     * @notice Collection of states of supported markets
     * @dev Types containing (nested) mappings could not be parameters or return of external methods
     */
    function markets(IMToken)
        external
        view
        returns (
            bool isListed,
            uint256 utilisationFactorMantissa,
            uint256 liquidationFeeMantissa
        );

    /**
     * @notice get A list of all markets
     */
    function allMarkets(uint256) external view returns (IMToken);

    /**
     * @notice get Borrow caps enforced by beforeBorrow for each mToken address.
     */
    function borrowCaps(IMToken) external view returns (uint256);

    /**
     * @notice get keccak-256 hash of gatekeeper role
     */
    function GATEKEEPER() external view returns (bytes32);

    /**
     * @notice get keccak-256 hash of timelock
     */
    function TIMELOCK() external view returns (bytes32);

    /**
     * @notice Returns the assets an account has enabled as collateral
     * @param account The address of the account to pull assets for
     * @return A dynamic list with the assets the account has enabled as collateral
     */
    function getAccountAssets(address account) external view returns (IMToken[] memory);

    /**
     * @notice Returns whether the given account is enabled as collateral in the given asset
     * @param account The address of the account to check
     * @param mToken The mToken to check
     * @return True if the account is in the asset, otherwise false.
     */
    function checkMembership(address account, IMToken mToken) external view returns (bool);

    /**
     * @notice Add assets to be included in account liquidity calculation
     * @param mTokens The list of addresses of the mToken markets to be enabled as collateral
     */
    function enableAsCollateral(IMToken[] memory mTokens) external;

    /**
     * @notice Removes asset from sender's account liquidity calculation
     * @dev Sender must not have an outstanding borrow balance in the asset,
     *  or be providing necessary collateral for an outstanding borrow.
     * @param mTokenAddress The address of the asset to be removed
     */
    function disableAsCollateral(IMToken mTokenAddress) external;

    /**
     * @notice Makes checks if the account should be allowed to lend tokens in the given market
     * @param mToken The market to verify the lend against
     * @param lender The account which would get the lent tokens
     */
    function beforeLend(IMToken mToken, address lender) external;

    /**
     * @notice Checks if the account should be allowed to redeem tokens in the given market and triggers emission system
     * @param mToken The market to verify the redeem against
     * @param redeemer The account which would redeem the tokens
     * @param redeemTokens The number of mTokens to exchange for the underlying asset in the market
     * @param isAmlProcess Do we need to check the AML system or not
     */
    function beforeRedeem(
        IMToken mToken,
        address redeemer,
        uint256 redeemTokens,
        bool isAmlProcess
    ) external;

    /**
     * @notice Checks if the account should be allowed to borrow the underlying asset of the given market
     * @param mToken The market to verify the borrow against
     * @param borrower The account which would borrow the asset
     * @param borrowAmount The amount of underlying the account would borrow
     */
    function beforeBorrow(
        IMToken mToken,
        address borrower,
        uint256 borrowAmount
    ) external;

    /**
     * @notice Checks if the account should be allowed to repay a borrow in the given market
     * @param mToken The market to verify the repay against
     * @param borrower The account which would borrowed the asset
     */
    function beforeRepayBorrow(IMToken mToken, address borrower) external;

    /**
     * @notice Checks if the seizing of assets should be allowed to occur (auto liquidation process)
     * @param mToken Asset which was used as collateral and will be seized
     * @param liquidator_ The address of liquidator contract
     * @param borrower The address of the borrower
     */
    function beforeAutoLiquidationSeize(
        IMToken mToken,
        address liquidator_,
        address borrower
    ) external;

    /**
     * @notice Checks if the sender should be allowed to repay borrow in the given market (auto liquidation process)
     * @param liquidator_ The address of liquidator contract
     * @param borrower_ The account which borrowed the asset
     * @param mToken_ The market to verify the repay against
     */
    function beforeAutoLiquidationRepay(
        address liquidator_,
        address borrower_,
        IMToken mToken_
    ) external;

    /**
     * @notice Checks if the address is the Liquidation contract
     * @dev Used in liquidation process
     * @param liquidator_ Prospective address of the Liquidation contract
     */
    function isLiquidator(address liquidator_) external view;

    /**
     * @notice Checks if the account should be allowed to transfer tokens in the given market
     * @param mToken The market to verify the transfer against
     * @param src The account which sources the tokens
     * @param dst The account which receives the tokens
     * @param transferTokens The number of mTokens to transfer
     */
    function beforeTransfer(
        IMToken mToken,
        address src,
        address dst,
        uint256 transferTokens
    ) external;

    /**
     * @notice Makes checks before flash loan in MToken
     * @param mToken The address of the token
     * receiver - The address of the loan receiver
     * amount - How much tokens to flash loan
     * fee - Flash loan fee
     */
    function beforeFlashLoan(
        IMToken mToken,
        address, /* receiver */
        uint256, /* amount */
        uint256 /* fee */
    ) external view;

    /**
     * @notice Calculate account liquidity in USD related to utilisation factors of underlying assets
     * @return (USD value above total utilisation requirements of all assets,
     *           USD value below total utilisation requirements of all assets)
     */
    function getAccountLiquidity(address account) external view returns (uint256, uint256);

    /**
     * @notice Determine what the account liquidity would be if the given amounts were redeemed/borrowed
     * @param mTokenModify The market to hypothetically redeem/borrow in
     * @param account The account to determine liquidity for
     * @param redeemTokens The number of tokens to hypothetically redeem
     * @param borrowAmount The amount of underlying to hypothetically borrow
     * @return (hypothetical account liquidity in excess of collateral requirements,
     *          hypothetical account shortfall below collateral requirements)
     */
    function getHypotheticalAccountLiquidity(
        address account,
        IMToken mTokenModify,
        uint256 redeemTokens,
        uint256 borrowAmount
    ) external returns (uint256, uint256);

    /**
     * @notice Get liquidationFeeMantissa and utilisationFactorMantissa for market
     * @param market Market for which values are obtained
     * @return (liquidationFeeMantissa, utilisationFactorMantissa)
     */
    function getMarketData(IMToken market) external view returns (uint256, uint256);

    /**
     * @notice Validates redeem and reverts on rejection. May emit logs.
     * @param redeemAmount The amount of the underlying asset being redeemed
     * @param redeemTokens The number of tokens being redeemed
     */
    function redeemVerify(uint256 redeemAmount, uint256 redeemTokens) external view;

    /**
     * @notice Sets the utilisationFactor for a market
     * @dev Governance function to set per-market utilisationFactor
     * @param mToken The market to set the factor on
     * @param newUtilisationFactorMantissa The new utilisation factor, scaled by 1e18
     * @dev RESTRICTION: Timelock only.
     */
    function setUtilisationFactor(IMToken mToken, uint256 newUtilisationFactorMantissa) external;

    /**
     * @notice Sets the liquidationFee for a market
     * @dev Governance function to set per-market liquidationFee
     * @param mToken The market to set the fee on
     * @param newLiquidationFeeMantissa The new liquidation fee, scaled by 1e18
     * @dev RESTRICTION: Timelock only.
     */
    function setLiquidationFee(IMToken mToken, uint256 newLiquidationFeeMantissa) external;

    /**
     * @notice Add the market to the markets mapping and set it as listed, also initialize MNT market state.
     * @dev Admin function to set isListed and add support for the market
     * @param mToken The address of the market (token) to list
     * @dev RESTRICTION: Admin only.
     */
    function supportMarket(IMToken mToken) external;

    /**
     * @notice Set the given borrow caps for the given mToken markets.
     *         Borrowing that brings total borrows to or above borrow cap will revert.
     * @dev Admin or gateKeeper function to set the borrow caps.
     *      A borrow cap of 0 corresponds to unlimited borrowing.
     * @param mTokens The addresses of the markets (tokens) to change the borrow caps for
     * @param newBorrowCaps The new borrow cap values in underlying to be set.
     *                      A value of 0 corresponds to unlimited borrowing.
     * @dev RESTRICTION: Gatekeeper only.
     */
    function setMarketBorrowCaps(IMToken[] calldata mTokens, uint256[] calldata newBorrowCaps) external;

    /**
     * @notice Return all of the markets
     * @dev The automatic getter may be used to access an individual market.
     * @return The list of market addresses
     */
    function getAllMarkets() external view returns (IMToken[] memory);

    /**
     * @notice Returns true if market is listed in Supervisor
     */
    function isMarketListed(IMToken) external view returns (bool);

    /**
     * @notice Check that account is not in the black list and protocol operations are available.
     * @param account The address of the account to check
     */
    function isNotBlacklisted(address account) external view returns (bool);

    /**
     * @notice Check if transfer of MNT is allowed for accounts.
     * @param from The source account address to check
     * @param to The destination account address to check
     */
    function isMntTransferAllowed(address from, address to) external view returns (bool);

    /**
     * @notice Returns block number
     */
    function getBlockNumber() external view returns (uint256);
}
          

contracts/interfaces/IWhitelist.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "@openzeppelin/contracts/access/IAccessControl.sol";

interface IWhitelist is IAccessControl {
    /**
     * @notice The given member was added to the whitelist
     */
    event MemberAdded(address);

    /**
     * @notice The given member was removed from the whitelist
     */
    event MemberRemoved(address);

    /**
     * @notice Protocol operation mode switched
     */
    event WhitelistModeWasTurnedOff();

    /**
     * @notice Amount of maxMembers changed
     */
    event MaxMemberAmountChanged(uint256);

    /**
     * @notice get maximum number of members.
     *      When membership reaches this number, no new members may join.
     */
    function maxMembers() external view returns (uint256);

    /**
     * @notice get the total number of members stored in the map.
     */
    function memberCount() external view returns (uint256);

    /**
     * @notice get protocol operation mode.
     */
    function whitelistModeEnabled() external view returns (bool);

    /**
     * @notice get is account member of whitelist
     */
    function accountMembership(address) external view returns (bool);

    /**
     * @notice get keccak-256 hash of GATEKEEPER role
     */
    function GATEKEEPER() external view returns (bytes32);

    /**
     * @notice Add a new member to the whitelist.
     * @param newAccount The account that is being added to the whitelist.
     * @dev RESTRICTION: Gatekeeper only.
     */
    function addMember(address newAccount) external;

    /**
     * @notice Remove a member from the whitelist.
     * @param accountToRemove The account that is being removed from the whitelist.
     * @dev RESTRICTION: Gatekeeper only.
     */
    function removeMember(address accountToRemove) external;

    /**
     * @notice Disables whitelist mode and enables emission boost mode.
     * @dev RESTRICTION: Admin only.
     */
    function turnOffWhitelistMode() external;

    /**
     * @notice Set a new threshold of participants.
     * @param newThreshold New number of participants.
     * @dev RESTRICTION: Gatekeeper only.
     */
    function setMaxMembers(uint256 newThreshold) external;

    /**
     * @notice Check protocol operation mode. In whitelist mode, only members from whitelist and who have
     *         EmissionBooster can work with protocol.
     * @param who The address of the account to check for participation.
     */
    function isWhitelisted(address who) external view returns (bool);
}
          

contracts/libraries/ErrorCodes.sol

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.17;

library ErrorCodes {
    // Common
    string internal constant ADMIN_ONLY = "E101";
    string internal constant UNAUTHORIZED = "E102";
    string internal constant OPERATION_PAUSED = "E103";
    string internal constant WHITELISTED_ONLY = "E104";
    string internal constant ADDRESS_IS_NOT_IN_AML_SYSTEM = "E105";
    string internal constant ADDRESS_IS_BLACKLISTED = "E106";

    // Invalid input
    string internal constant ADMIN_ADDRESS_CANNOT_BE_ZERO = "E201";
    string internal constant INVALID_REDEEM = "E202";
    string internal constant REDEEM_TOO_MUCH = "E203";
    string internal constant MARKET_NOT_LISTED = "E204";
    string internal constant INSUFFICIENT_LIQUIDITY = "E205";
    string internal constant INVALID_SENDER = "E206";
    string internal constant BORROW_CAP_REACHED = "E207";
    string internal constant BALANCE_OWED = "E208";
    string internal constant UNRELIABLE_LIQUIDATOR = "E209";
    string internal constant INVALID_DESTINATION = "E210";
    string internal constant INSUFFICIENT_STAKE = "E211";
    string internal constant INVALID_DURATION = "E212";
    string internal constant INVALID_PERIOD_RATE = "E213";
    string internal constant EB_TIER_LIMIT_REACHED = "E214";
    string internal constant LQ_INCORRECT_REPAY_AMOUNT = "E215";
    string internal constant LQ_INSUFFICIENT_SEIZE_AMOUNT = "E216";
    string internal constant EB_TIER_DOES_NOT_EXIST = "E217";
    string internal constant EB_ZERO_TIER_CANNOT_BE_ENABLED = "E218";
    string internal constant EB_ALREADY_ACTIVATED_TIER = "E219";
    string internal constant EB_END_BLOCK_MUST_BE_LARGER_THAN_CURRENT = "E220";
    string internal constant EB_CANNOT_MINT_TOKEN_FOR_ACTIVATED_TIER = "E221";
    string internal constant EB_EMISSION_BOOST_IS_NOT_IN_RANGE = "E222";
    string internal constant TARGET_ADDRESS_CANNOT_BE_ZERO = "E223";
    string internal constant INSUFFICIENT_TOKEN_IN_VESTING_CONTRACT = "E224";
    string internal constant VESTING_SCHEDULE_ALREADY_EXISTS = "E225";
    string internal constant INSUFFICIENT_TOKENS_TO_CREATE_SCHEDULE = "E226";
    string internal constant NO_VESTING_SCHEDULE = "E227";
    string internal constant MNT_AMOUNT_IS_ZERO = "E230";
    string internal constant INCORRECT_AMOUNT = "E231";
    string internal constant MEMBERSHIP_LIMIT = "E232";
    string internal constant MEMBER_NOT_EXIST = "E233";
    string internal constant MEMBER_ALREADY_ADDED = "E234";
    string internal constant MEMBERSHIP_LIMIT_REACHED = "E235";
    string internal constant REPORTED_PRICE_SHOULD_BE_GREATER_THAN_ZERO = "E236";
    string internal constant MTOKEN_ADDRESS_CANNOT_BE_ZERO = "E237";
    string internal constant TOKEN_ADDRESS_CANNOT_BE_ZERO = "E238";
    string internal constant REDEEM_TOKENS_OR_REDEEM_AMOUNT_MUST_BE_ZERO = "E239";
    string internal constant FL_TOKEN_IS_NOT_UNDERLYING = "E240";
    string internal constant FL_AMOUNT_IS_TOO_LARGE = "E241";
    string internal constant FL_CALLBACK_FAILED = "E242";
    string internal constant EB_MARKET_INDEX_IS_LESS_THAN_USER_INDEX = "E254";
    string internal constant LQ_UNSUPPORTED_FULL_REPAY = "E255";
    string internal constant LQ_UNSUPPORTED_FULL_SEIZE = "E256";
    string internal constant LQ_UNSUPPORTED_MARKET_RECEIVED = "E257";
    string internal constant LQ_UNSUCCESSFUL_CALLBACK = "E258";
    string internal constant FL_UNAUTHORIZED_CALLBACK = "E270";
    string internal constant FL_INCORRECT_TOKEN_OUT_DEVIATION = "E271";
    string internal constant FL_SWAP_CALL_FAILS = "E272";
    string internal constant FL_INVALID_AMOUNT_TOKEN_IN_SPENT = "E273";
    string internal constant FL_INVALID_AMOUNT_TOKEN_OUT_RECEIVED = "E274";
    string internal constant FL_EXACT_IN_INCORRECT_ALLOWANCE_AFTER = "E275";
    string internal constant FL_RECEIVER_NOT_FOUND = "E276";

    // Protocol errors
    string internal constant INVALID_PRICE = "E301";
    string internal constant MARKET_NOT_FRESH = "E302";
    string internal constant BORROW_RATE_TOO_HIGH = "E303";
    string internal constant INSUFFICIENT_TOKEN_CASH = "E304";
    string internal constant INSUFFICIENT_TOKENS_FOR_RELEASE = "E305";
    string internal constant INSUFFICIENT_MNT_FOR_GRANT = "E306";
    string internal constant TOKEN_TRANSFER_IN_UNDERFLOW = "E307";
    string internal constant NOT_PARTICIPATING_IN_BUYBACK = "E308";
    string internal constant NOT_ENOUGH_PARTICIPATING_ACCOUNTS = "E309";
    string internal constant NOTHING_TO_DISTRIBUTE = "E310";
    string internal constant ALREADY_PARTICIPATING_IN_BUYBACK = "E311";
    string internal constant MNT_APPROVE_FAILS = "E312";
    string internal constant TOO_EARLY_TO_DRIP = "E313";
    string internal constant BB_UNSTAKE_TOO_EARLY = "E314";
    string internal constant INSUFFICIENT_SHORTFALL = "E315";
    string internal constant HEALTHY_FACTOR_NOT_IN_RANGE = "E316";
    string internal constant BUYBACK_DRIPS_ALREADY_HAPPENED = "E317";
    string internal constant EB_INDEX_SHOULD_BE_GREATER_THAN_INITIAL = "E318";
    string internal constant NO_VESTING_SCHEDULES = "E319";
    string internal constant INSUFFICIENT_UNRELEASED_TOKENS = "E320";
    string internal constant ORACLE_PRICE_EXPIRED = "E321";
    string internal constant TOKEN_NOT_FOUND = "E322";
    string internal constant RECEIVED_PRICE_HAS_INVALID_ROUND = "E323";
    string internal constant FL_PULL_AMOUNT_IS_TOO_LOW = "E324";
    string internal constant INSUFFICIENT_TOTAL_PROTOCOL_INTEREST = "E325";
    string internal constant BB_ACCOUNT_RECENTLY_VOTED = "E326";
    string internal constant PRICE_FEED_ID_NOT_FOUND = "E327";
    string internal constant INCORRECT_PRICE_MULTIPLIER = "E328";
    string internal constant LL_NEW_ROOT_CANNOT_BE_ZERO = "E329";
    string internal constant RH_PAYOUT_FROM_FUTURE = "E330";
    string internal constant RH_ACCRUE_WITHOUT_UNLOCK = "E331";
    string internal constant RH_LERP_DELTA_IS_GREATER_THAN_PERIOD = "E332";
    string internal constant PRICE_FEED_ADDRESS_NOT_FOUND = "E333";

    // Invalid input - Admin functions
    string internal constant ZERO_EXCHANGE_RATE = "E401";
    string internal constant SECOND_INITIALIZATION = "E402";
    string internal constant MARKET_ALREADY_LISTED = "E403";
    string internal constant IDENTICAL_VALUE = "E404";
    string internal constant ZERO_ADDRESS = "E405";
    string internal constant EC_INVALID_PROVIDER_REPRESENTATIVE = "E406";
    string internal constant EC_PROVIDER_CANT_BE_REPRESENTATIVE = "E407";
    string internal constant OR_ORACLE_ADDRESS_CANNOT_BE_ZERO = "E408";
    string internal constant OR_UNDERLYING_TOKENS_DECIMALS_SHOULD_BE_GREATER_THAN_ZERO = "E409";
    string internal constant OR_REPORTER_MULTIPLIER_SHOULD_BE_GREATER_THAN_ZERO = "E410";
    string internal constant INVALID_TOKEN = "E411";
    string internal constant INVALID_PROTOCOL_INTEREST_FACTOR_MANTISSA = "E412";
    string internal constant INVALID_REDUCE_AMOUNT = "E413";
    string internal constant LIQUIDATION_FEE_MANTISSA_SHOULD_BE_GREATER_THAN_ZERO = "E414";
    string internal constant INVALID_UTILISATION_FACTOR_MANTISSA = "E415";
    string internal constant INVALID_MTOKENS_OR_BORROW_CAPS = "E416";
    string internal constant FL_PARAM_IS_TOO_LARGE = "E417";
    string internal constant MNT_INVALID_NONVOTING_PERIOD = "E418";
    string internal constant INPUT_ARRAY_LENGTHS_ARE_NOT_EQUAL = "E419";
    string internal constant EC_INVALID_BOOSTS = "E420";
    string internal constant EC_ACCOUNT_IS_ALREADY_LIQUIDITY_PROVIDER = "E421";
    string internal constant EC_ACCOUNT_HAS_NO_AGREEMENT = "E422";
    string internal constant OR_TIMESTAMP_THRESHOLD_SHOULD_BE_GREATER_THAN_ZERO = "E423";
    string internal constant OR_UNDERLYING_TOKENS_DECIMALS_TOO_BIG = "E424";
    string internal constant OR_REPORTER_MULTIPLIER_TOO_BIG = "E425";
    string internal constant SHOULD_HAVE_REVOCABLE_SCHEDULE = "E426";
    string internal constant MEMBER_NOT_IN_DELAY_LIST = "E427";
    string internal constant DELAY_LIST_LIMIT = "E428";
    string internal constant NUMBER_IS_NOT_IN_SCALE = "E429";
    string internal constant BB_STRATUM_OF_FIRST_LOYALTY_GROUP_IS_NOT_ZERO = "E430";
    string internal constant INPUT_ARRAY_IS_EMPTY = "E431";
    string internal constant OR_INCORRECT_PRICE_FEED_ID = "E432";
    string internal constant OR_PRICE_AGE_CAN_NOT_BE_ZERO = "E433";
    string internal constant OR_INCORRECT_PRICE_FEED_ADDRESS = "E434";
    string internal constant OR_INCORRECT_SECONDARY_PRICE_FEED_ADDRESS = "E435";
    string internal constant RH_COOLDOWN_START_ALREADY_SET = "E436";
    string internal constant RH_INCORRECT_COOLDOWN_START = "E437";
    string internal constant RH_COOLDOWN_IS_FINISHED = "E438";
    string internal constant RH_INCORRECT_NUMBER_OF_CHARGES = "E439";
    string internal constant RH_INCORRECT_CHARGE_SHARE = "E440";
    string internal constant RH_COOLDOWN_START_NOT_SET = "E441";
}
          

Compiler Settings

{"outputSelection":{"*":{"*":["*"],"":["*"]}},"optimizer":{"runs":200,"enabled":true},"metadata":{"useLiteralContent":true},"libraries":{}}
              

Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"address","name":"_admin","internalType":"address"},{"type":"address","name":"emissionBooster_","internalType":"contract IEmissionBooster"},{"type":"uint256","name":"_maxMembers","internalType":"uint256"},{"type":"address[]","name":"memberList","internalType":"address[]"}]},{"type":"event","name":"MaxMemberAmountChanged","inputs":[{"type":"uint256","name":"","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"MemberAdded","inputs":[{"type":"address","name":"","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"MemberRemoved","inputs":[{"type":"address","name":"","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"RoleAdminChanged","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32","indexed":true},{"type":"bytes32","name":"previousAdminRole","internalType":"bytes32","indexed":true},{"type":"bytes32","name":"newAdminRole","internalType":"bytes32","indexed":true}],"anonymous":false},{"type":"event","name":"RoleGranted","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32","indexed":true},{"type":"address","name":"account","internalType":"address","indexed":true},{"type":"address","name":"sender","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"RoleRevoked","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32","indexed":true},{"type":"address","name":"account","internalType":"address","indexed":true},{"type":"address","name":"sender","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"WhitelistModeWasTurnedOff","inputs":[],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"DEFAULT_ADMIN_ROLE","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"GATEKEEPER","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"accountMembership","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"addMember","inputs":[{"type":"address","name":"newAccount","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"contract IEmissionBooster"}],"name":"emissionBooster","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"getRoleAdmin","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"grantRole","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"},{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"hasRole","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"},{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isWhitelisted","inputs":[{"type":"address","name":"who","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"maxMembers","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"memberCount","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"removeMember","inputs":[{"type":"address","name":"accountToRemove","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceRole","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"},{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"revokeRole","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"},{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setMaxMembers","inputs":[{"type":"uint256","name":"newThreshold","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"supportsInterface","inputs":[{"type":"bytes4","name":"interfaceId","internalType":"bytes4"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"turnOffWhitelistMode","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"whitelistModeEnabled","inputs":[]}]
              

Contract Creation Code

Verify & Publish
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Deployed ByteCode

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