// File: MintAndRepayZap.sol



// SPDX-License-Identifier: MIT

pragma solidity 0.8.23;

import "SafeERC20.sol";
import "ITroveManager.sol";
import "ISortedTroves.sol";
import "IBorrowerOperations.sol";

/**
    @title Mint and Repay Zap
    @notice Mint and repay mkUSD in a single transaction
    @dev Untested, unofficial, use at your own risk
 */
contract MintAndRepayZap {
    using SafeERC20 for IERC20;

    IBorrowerOperations public immutable borrowerOps;
    IERC20 public immutable debtToken;
    address public immutable tokenRecoveryReceiver;

    constructor(IBorrowerOperations _bo, IERC20 _debt) {
        borrowerOps = _bo;
        debtToken = _debt;
        tokenRecoveryReceiver = msg.sender;
    }

    function recoverToken(IERC20 token) external {
        uint256 amount = token.balanceOf(address(this));
        token.safeTransfer(tokenRecoveryReceiver, amount);
    }

    function mintAndRepay(
        address troveManager,
        uint256 maxFeePercentage,
        uint256 debtChange,
        address[2] calldata mintHints,
        address[2] calldata repayHints
    ) external {
        borrowerOps.withdrawDebt(troveManager, msg.sender, maxFeePercentage, debtChange, mintHints[0], mintHints[1]);
        borrowerOps.repayDebt(troveManager, msg.sender, debtChange, repayHints[0], repayHints[1]);
    }

    /// @dev Must have at least `repayAmount` balance of mkUSD and approve the zap to transfer
    function repayAndMint(
        address troveManager,
        uint256 maxFeePercentage,
        uint256 repayAmount,
        uint256 mintAmount,
        address[2] calldata repayHints,
        address[2] calldata mintHints
    ) external {
        debtToken.transferFrom(msg.sender, address(this), repayAmount);
        borrowerOps.repayDebt(troveManager, msg.sender, repayAmount, repayHints[0], repayHints[1]);
        borrowerOps.withdrawDebt(troveManager, msg.sender, maxFeePercentage, mintAmount, mintHints[0], mintHints[1]);
        debtToken.transfer(msg.sender, mintAmount);
    }

    /// @dev call as a view method
    function getRepayAndMintHints(
        ITroveManager troveManager,
        address account,
        uint256 repayAmount,
        uint256 mintAmount
    ) external returns (address[2] memory repayHints, address[2] memory mintHints) {
        uint256 price = troveManager.fetchPrice();
        (uint256 coll, uint256 debt) = troveManager.getTroveCollAndDebt(account);
        mintAmount += troveManager.getBorrowingFee(mintAmount);
        uint256 repayCR = (coll * price) / (debt - repayAmount);
        uint256 mintCR = (coll * price) / (debt - repayAmount + mintAmount);

        repayHints = _findHintWithHigherCR(account, account, troveManager, price, repayCR);
        if (repayAmount > mintAmount) mintHints = _findHintWithHigherCR(account, account, troveManager, price, mintCR);
        else mintHints = _findHintWithLowerCR(account, account, troveManager, price, mintCR);

        return (repayHints, mintHints);
    }

    /// @dev call as a view method
    function getMintAndRepayHints(
        ITroveManager troveManager,
        address account,
        uint256 debtChange
    ) external returns (address[2] memory mintHints, address[2] memory repayHints) {
        uint256 price = troveManager.fetchPrice();
        (uint256 coll, uint256 debt) = troveManager.getTroveCollAndDebt(account);
        uint256 mintAmount = debtChange + troveManager.getBorrowingFee(debtChange);
        uint256 mintCR = (coll * price) / (debt + mintAmount);
        uint256 repayCR = (coll * price) / (debt + mintAmount - debtChange);

        mintHints = _findHintWithLowerCR(account, account, troveManager, price, mintCR);
        repayHints = _findHintWithHigherCR(account, account, troveManager, price, repayCR);

        return (mintHints, repayHints);
    }

    function _findHintWithLowerCR(
        address account,
        address traverseFrom,
        ITroveManager tm,
        uint256 price,
        uint256 collRatio
    ) internal view returns (address[2] memory hints) {
        address last = traverseFrom;
        ISortedTroves st = ISortedTroves(tm.sortedTroves());
        while (true) {
            last = st.getNext(last);
            if (last == address(0)) return [st.getLast(), st.getLast()];
            if (last == account) continue;
            if (collRatio > tm.getCurrentICR(last, price)) {
                address prev = st.getPrev(last);
                if (prev == account) prev = st.getPrev(prev);
                return [prev, last];
            }
        }
    }

    function _findHintWithHigherCR(
        address account,
        address traverseFrom,
        ITroveManager tm,
        uint256 price,
        uint256 collRatio
    ) internal view returns (address[2] memory hints) {
        address last = traverseFrom;
        ISortedTroves st = ISortedTroves(tm.sortedTroves());
        while (true) {
            last = st.getPrev(last);
            if (last == address(0)) return [st.getFirst(), st.getFirst()];
            if (collRatio < tm.getCurrentICR(last, price)) {
                address next = st.getNext(last);
                if (next == account) next = st.getNext(next);
                return [last, next];
            }
        }
    }
}

// File: SafeERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "IERC20.sol";
import "IERC20Permit.sol";
import "Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

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

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

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

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

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

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

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

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

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

// File: 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);
}

// File: IERC20Permit.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// File: Address.sol



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

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// File: ITroveManager.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface ITroveManager {
    event BaseRateUpdated(uint256 _baseRate);
    event CollateralSent(address _to, uint256 _amount);
    event LTermsUpdated(uint256 _L_collateral, uint256 _L_debt);
    event LastFeeOpTimeUpdated(uint256 _lastFeeOpTime);
    event Redemption(
        uint256 _attemptedDebtAmount,
        uint256 _actualDebtAmount,
        uint256 _collateralSent,
        uint256 _collateralFee
    );
    event RewardClaimed(address indexed account, address indexed recipient, uint256 claimed);
    event SystemSnapshotsUpdated(uint256 _totalStakesSnapshot, uint256 _totalCollateralSnapshot);
    event TotalStakesUpdated(uint256 _newTotalStakes);
    event TroveIndexUpdated(address _borrower, uint256 _newIndex);
    event TroveSnapshotsUpdated(uint256 _L_collateral, uint256 _L_debt);
    event TroveUpdated(address indexed _borrower, uint256 _debt, uint256 _coll, uint256 _stake, uint8 _operation);

    function addCollateralSurplus(address borrower, uint256 collSurplus) external;

    function applyPendingRewards(address _borrower) external returns (uint256 coll, uint256 debt);

    function claimCollateral(address _receiver) external;

    function claimReward(address receiver) external returns (uint256);

    function closeTrove(address _borrower, address _receiver, uint256 collAmount, uint256 debtAmount) external;

    function closeTroveByLiquidation(address _borrower) external;

    function collectInterests() external;

    function decayBaseRateAndGetBorrowingFee(uint256 _debt) external returns (uint256);

    function decreaseDebtAndSendCollateral(address account, uint256 debt, uint256 coll) external;

    function fetchPrice() external returns (uint256);

    function finalizeLiquidation(
        address _liquidator,
        uint256 _debt,
        uint256 _coll,
        uint256 _collSurplus,
        uint256 _debtGasComp,
        uint256 _collGasComp
    ) external;

    function getEntireSystemBalances() external returns (uint256, uint256, uint256);

    function movePendingTroveRewardsToActiveBalances(uint256 _debt, uint256 _collateral) external;

    function notifyRegisteredId(uint256[] calldata _assignedIds) external returns (bool);

    function openTrove(
        address _borrower,
        uint256 _collateralAmount,
        uint256 _compositeDebt,
        uint256 NICR,
        address _upperHint,
        address _lowerHint,
        bool _isRecoveryMode
    ) external returns (uint256 stake, uint256 arrayIndex);

    function redeemCollateral(
        uint256 _debtAmount,
        address _firstRedemptionHint,
        address _upperPartialRedemptionHint,
        address _lowerPartialRedemptionHint,
        uint256 _partialRedemptionHintNICR,
        uint256 _maxIterations,
        uint256 _maxFeePercentage
    ) external;

    function setAddresses(address _priceFeedAddress, address _sortedTrovesAddress, address _collateralToken) external;

    function setParameters(
        uint256 _minuteDecayFactor,
        uint256 _redemptionFeeFloor,
        uint256 _maxRedemptionFee,
        uint256 _borrowingFeeFloor,
        uint256 _maxBorrowingFee,
        uint256 _interestRateInBPS,
        uint256 _maxSystemDebt,
        uint256 _MCR
    ) external;

    function setPaused(bool _paused) external;

    function setPriceFeed(address _priceFeedAddress) external;

    function startSunset() external;

    function updateBalances() external;

    function updateTroveFromAdjustment(
        bool _isRecoveryMode,
        bool _isDebtIncrease,
        uint256 _debtChange,
        uint256 _netDebtChange,
        bool _isCollIncrease,
        uint256 _collChange,
        address _upperHint,
        address _lowerHint,
        address _borrower,
        address _receiver
    ) external returns (uint256, uint256, uint256);

    function vaultClaimReward(address claimant, address) external returns (uint256);

    function BOOTSTRAP_PERIOD() external view returns (uint256);

    function CCR() external view returns (uint256);

    function DEBT_GAS_COMPENSATION() external view returns (uint256);

    function DECIMAL_PRECISION() external view returns (uint256);

    function L_collateral() external view returns (uint256);

    function L_debt() external view returns (uint256);

    function MAX_INTEREST_RATE_IN_BPS() external view returns (uint256);

    function MCR() external view returns (uint256);

    function PERCENT_DIVISOR() external view returns (uint256);

    function PRISMA_CORE() external view returns (address);

    function SUNSETTING_INTEREST_RATE() external view returns (uint256);

    function Troves(
        address
    )
        external
        view
        returns (
            uint256 debt,
            uint256 coll,
            uint256 stake,
            uint8 status,
            uint128 arrayIndex,
            uint256 activeInterestIndex
        );

    function accountLatestMint(address) external view returns (uint32 amount, uint32 week, uint32 day);

    function activeInterestIndex() external view returns (uint256);

    function baseRate() external view returns (uint256);

    function borrowerOperationsAddress() external view returns (address);

    function borrowingFeeFloor() external view returns (uint256);

    function claimableReward(address account) external view returns (uint256);

    function collateralToken() external view returns (address);

    function dailyMintReward(uint256) external view returns (uint256);

    function debtToken() external view returns (address);

    function defaultedCollateral() external view returns (uint256);

    function defaultedDebt() external view returns (uint256);

    function emissionId() external view returns (uint16 debt, uint16 minting);

    function getBorrowingFee(uint256 _debt) external view returns (uint256);

    function getBorrowingFeeWithDecay(uint256 _debt) external view returns (uint256);

    function getBorrowingRate() external view returns (uint256);

    function getBorrowingRateWithDecay() external view returns (uint256);

    function getCurrentICR(address _borrower, uint256 _price) external view returns (uint256);

    function getEntireDebtAndColl(
        address _borrower
    ) external view returns (uint256 debt, uint256 coll, uint256 pendingDebtReward, uint256 pendingCollateralReward);

    function getEntireSystemColl() external view returns (uint256);

    function getEntireSystemDebt() external view returns (uint256);

    function getNominalICR(address _borrower) external view returns (uint256);

    function getPendingCollAndDebtRewards(address _borrower) external view returns (uint256, uint256);

    function getRedemptionFeeWithDecay(uint256 _collateralDrawn) external view returns (uint256);

    function getRedemptionRate() external view returns (uint256);

    function getRedemptionRateWithDecay() external view returns (uint256);

    function getTotalActiveCollateral() external view returns (uint256);

    function getTotalActiveDebt() external view returns (uint256);

    function getTotalMints(uint256 week) external view returns (uint32[7] memory);

    function getTroveCollAndDebt(address _borrower) external view returns (uint256 coll, uint256 debt);

    function getTroveFromTroveOwnersArray(uint256 _index) external view returns (address);

    function getTroveOwnersCount() external view returns (uint256);

    function getTroveStake(address _borrower) external view returns (uint256);

    function getTroveStatus(address _borrower) external view returns (uint256);

    function getWeek() external view returns (uint256 week);

    function getWeekAndDay() external view returns (uint256, uint256);

    function guardian() external view returns (address);

    function hasPendingRewards(address _borrower) external view returns (bool);

    function interestPayable() external view returns (uint256);

    function interestRate() external view returns (uint256);

    function lastActiveIndexUpdate() external view returns (uint256);

    function lastCollateralError_Redistribution() external view returns (uint256);

    function lastDebtError_Redistribution() external view returns (uint256);

    function lastFeeOperationTime() external view returns (uint256);

    function lastUpdate() external view returns (uint32);

    function liquidationManager() external view returns (address);

    function maxBorrowingFee() external view returns (uint256);

    function maxRedemptionFee() external view returns (uint256);

    function maxSystemDebt() external view returns (uint256);

    function minuteDecayFactor() external view returns (uint256);

    function owner() external view returns (address);

    function paused() external view returns (bool);

    function periodFinish() external view returns (uint32);

    function priceFeed() external view returns (address);

    function redemptionFeeFloor() external view returns (uint256);

    function rewardIntegral() external view returns (uint256);

    function rewardIntegralFor(address) external view returns (uint256);

    function rewardRate() external view returns (uint128);

    function rewardSnapshots(address) external view returns (uint256 collateral, uint256 debt);

    function sortedTroves() external view returns (address);

    function sunsetting() external view returns (bool);

    function surplusBalances(address) external view returns (uint256);

    function systemDeploymentTime() external view returns (uint256);

    function totalCollateralSnapshot() external view returns (uint256);

    function totalStakes() external view returns (uint256);

    function totalStakesSnapshot() external view returns (uint256);

    function vault() external view returns (address);
}

// File: ISortedTroves.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface ISortedTroves {
    event NodeAdded(address _id, uint256 _NICR);
    event NodeRemoved(address _id);

    function insert(address _id, uint256 _NICR, address _prevId, address _nextId) external;

    function reInsert(address _id, uint256 _newNICR, address _prevId, address _nextId) external;

    function remove(address _id) external;

    function setAddresses(address _troveManagerAddress) external;

    function contains(address _id) external view returns (bool);

    function data() external view returns (address head, address tail, uint256 size);

    function findInsertPosition(
        uint256 _NICR,
        address _prevId,
        address _nextId
    ) external view returns (address, address);

    function getFirst() external view returns (address);

    function getLast() external view returns (address);

    function getNext(address _id) external view returns (address);

    function getPrev(address _id) external view returns (address);

    function getSize() external view returns (uint256);

    function isEmpty() external view returns (bool);

    function troveManager() external view returns (address);

    function validInsertPosition(uint256 _NICR, address _prevId, address _nextId) external view returns (bool);
}

// File: IBorrowerOperations.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IBorrowerOperations {
    struct Balances {
        uint256[] collaterals;
        uint256[] debts;
        uint256[] prices;
    }

    event BorrowingFeePaid(address indexed borrower, uint256 amount);
    event CollateralConfigured(address troveManager, address collateralToken);
    event TroveCreated(address indexed _borrower, uint256 arrayIndex);
    event TroveManagerRemoved(address troveManager);
    event TroveUpdated(address indexed _borrower, uint256 _debt, uint256 _coll, uint256 stake, uint8 operation);

    function addColl(
        address troveManager,
        address account,
        uint256 _collateralAmount,
        address _upperHint,
        address _lowerHint
    ) external;

    function adjustTrove(
        address troveManager,
        address account,
        uint256 _maxFeePercentage,
        uint256 _collDeposit,
        uint256 _collWithdrawal,
        uint256 _debtChange,
        bool _isDebtIncrease,
        address _upperHint,
        address _lowerHint
    ) external;

    function closeTrove(address troveManager, address account) external;

    function configureCollateral(address troveManager, address collateralToken) external;

    function fetchBalances() external returns (Balances memory balances);

    function getGlobalSystemBalances() external returns (uint256 totalPricedCollateral, uint256 totalDebt);

    function getTCR() external returns (uint256 globalTotalCollateralRatio);

    function openTrove(
        address troveManager,
        address account,
        uint256 _maxFeePercentage,
        uint256 _collateralAmount,
        uint256 _debtAmount,
        address _upperHint,
        address _lowerHint
    ) external;

    function removeTroveManager(address troveManager) external;

    function repayDebt(
        address troveManager,
        address account,
        uint256 _debtAmount,
        address _upperHint,
        address _lowerHint
    ) external;

    function setDelegateApproval(address _delegate, bool _isApproved) external;

    function setMinNetDebt(uint256 _minNetDebt) external;

    function withdrawColl(
        address troveManager,
        address account,
        uint256 _collWithdrawal,
        address _upperHint,
        address _lowerHint
    ) external;

    function withdrawDebt(
        address troveManager,
        address account,
        uint256 _maxFeePercentage,
        uint256 _debtAmount,
        address _upperHint,
        address _lowerHint
    ) external;

    function checkRecoveryMode(uint256 TCR) external pure returns (bool);

    function CCR() external view returns (uint256);

    function DEBT_GAS_COMPENSATION() external view returns (uint256);

    function DECIMAL_PRECISION() external view returns (uint256);

    function PERCENT_DIVISOR() external view returns (uint256);

    function PRISMA_CORE() external view returns (address);

    function _100pct() external view returns (uint256);

    function debtToken() external view returns (address);

    function factory() external view returns (address);

    function getCompositeDebt(uint256 _debt) external view returns (uint256);

    function guardian() external view returns (address);

    function isApprovedDelegate(address owner, address caller) external view returns (bool isApproved);

    function minNetDebt() external view returns (uint256);

    function owner() external view returns (address);

    function troveManagersData(address) external view returns (address collateralToken, uint16 index);
}