// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.24;

import {IAaveV3} from "./interfaces/IAaveV3.sol";

import {Math} from "../../lib/morpho-utils/src/math/Math.sol";
import {ErrorsLib} from "../libraries/ErrorsLib.sol";

import {MigrationBundler, ERC20} from "./MigrationBundler.sol";

/// @title AaveV3MigrationBundlerV2
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Contract allowing to migrate a position from Aave V3 to Morpho Blue easily.
contract AaveV3MigrationBundlerV2 is MigrationBundler {
    /* IMMUTABLES */

    /// @dev The AaveV3 contract address.
    IAaveV3 public immutable AAVE_V3_POOL;

    /* CONSTRUCTOR */

    /// @param morpho The Morpho contract Address.
    /// @param aaveV3Pool The AaveV3 contract address. Assumes it is non-zero (not expected to be an input at
    /// deployment).
    constructor(address morpho, address aaveV3Pool) MigrationBundler(morpho) {
        require(aaveV3Pool != address(0), ErrorsLib.ZERO_ADDRESS);

        AAVE_V3_POOL = IAaveV3(aaveV3Pool);
    }

    /* ACTIONS */

    /// @notice Repays `amount` of `asset` on AaveV3, on behalf of the initiator.
    /// @dev Initiator must have previously transferred their assets to the bundler.
    /// @param asset The address of the token to repay.
    /// @param amount The amount of `asset` to repay. Capped at the maximum repayable debt
    /// (mininimum of the bundler's balance and the initiator's debt).
    /// @param interestRateMode The interest rate mode of the position.
    function aaveV3Repay(address asset, uint256 amount, uint256 interestRateMode) external payable protected {
        amount = Math.min(amount, ERC20(asset).balanceOf(address(this)));

        require(amount != 0, ErrorsLib.ZERO_AMOUNT);

        _approveMaxTo(asset, address(AAVE_V3_POOL));

        AAVE_V3_POOL.repay(asset, amount, interestRateMode, initiator());
    }

    /// @notice Withdraws `amount` of `asset` on AaveV3, on behalf of the initiator.
    /// @notice Withdrawn assets are received by the bundler and should be used afterwards.
    /// @dev Initiator must have previously transferred their aTokens to the bundler.
    /// @param asset The address of the token to withdraw.
    /// @param amount The amount of `asset` to withdraw. Pass `type(uint256).max` to withdraw all.
    function aaveV3Withdraw(address asset, uint256 amount) external payable protected {
        AAVE_V3_POOL.withdraw(asset, amount, address(this));
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.24;

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

import {ErrorsLib} from "./libraries/ErrorsLib.sol";
import {UNSET_INITIATOR} from "./libraries/ConstantsLib.sol";
import {SafeTransferLib, ERC20} from "../lib/solmate/src/utils/SafeTransferLib.sol";

/// @title BaseBundler
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Enables calling multiple functions in a single call to the same contract (self).
/// @dev Every bundler must inherit from this contract.
/// @dev Every bundler inheriting from this contract must have their external functions payable as they will be
/// delegate called by the `multicall` function (which is payable, and thus might pass a non-null ETH value). It is
/// recommended not to rely on `msg.value` as the same value can be reused for multiple calls.
abstract contract BaseBundler is IMulticall {
    using SafeTransferLib for ERC20;

    /* STORAGE */

    /// @notice Keeps track of the bundler's latest bundle initiator.
    /// @dev Also prevents interacting with the bundler outside of an initiated execution context.
    address private _initiator = UNSET_INITIATOR;

    /* MODIFIERS */

    /// @dev Prevents a function to be called outside an initiated `multicall` context and protects a function from
    /// being called by an unauthorized sender inside an initiated multicall context.
    modifier protected() {
        require(_initiator != UNSET_INITIATOR, ErrorsLib.UNINITIATED);
        require(_isSenderAuthorized(), ErrorsLib.UNAUTHORIZED_SENDER);

        _;
    }

    /* PUBLIC */

    /// @notice Returns the address of the initiator of the multicall transaction.
    /// @dev Specialized getter to prevent using `_initiator` directly.
    function initiator() public view returns (address) {
        return _initiator;
    }

    /* EXTERNAL */

    /// @notice Executes a series of delegate calls to the contract itself.
    /// @dev Locks the initiator so that the sender can uniquely be identified in callbacks.
    /// @dev All functions delegatecalled must be `payable` if `msg.value` is non-zero.
    function multicall(bytes[] memory data) external payable {
        require(_initiator == UNSET_INITIATOR, ErrorsLib.ALREADY_INITIATED);

        _initiator = msg.sender;

        _multicall(data);

        _initiator = UNSET_INITIATOR;
    }

    /* INTERNAL */

    /// @dev Executes a series of delegate calls to the contract itself.
    /// @dev All functions delegatecalled must be `payable` if `msg.value` is non-zero.
    function _multicall(bytes[] memory data) internal {
        for (uint256 i; i < data.length; ++i) {
            (bool success, bytes memory returnData) = address(this).delegatecall(data[i]);

            // No need to check that `address(this)` has code in case of success.
            if (!success) _revert(returnData);
        }
    }

    /// @dev Bubbles up the revert reason / custom error encoded in `returnData`.
    /// @dev Assumes `returnData` is the return data of any kind of failing CALL to a contract.
    function _revert(bytes memory returnData) internal pure {
        uint256 length = returnData.length;
        require(length > 0, ErrorsLib.CALL_FAILED);

        assembly ("memory-safe") {
            revert(add(32, returnData), length)
        }
    }

    /// @dev Returns whether the sender of the call is authorized.
    /// @dev Assumes to be inside a properly initiated `multicall` context.
    function _isSenderAuthorized() internal view virtual returns (bool) {
        return msg.sender == _initiator;
    }

    /// @dev Gives the max approval to `spender` to spend the given `asset` if not already approved.
    /// @dev Assumes that `type(uint256).max` is large enough to never have to increase the allowance again.
    function _approveMaxTo(address asset, address spender) internal {
        if (ERC20(asset).allowance(address(this), spender) == 0) {
            ERC20(asset).safeApprove(spender, type(uint256).max);
        }
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

/// @dev The default value of the initiator of the multicall transaction is not the address zero to save gas.
address constant UNSET_INITIATOR = address(1);

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.24;

import {IERC4626} from "../lib/openzeppelin-contracts/contracts/interfaces/IERC4626.sol";

import {Math} from "../lib/morpho-utils/src/math/Math.sol";
import {ErrorsLib} from "./libraries/ErrorsLib.sol";
import {SafeTransferLib, ERC20} from "../lib/solmate/src/utils/SafeTransferLib.sol";

import {BaseBundler} from "./BaseBundler.sol";

/// @title ERC4626Bundler
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Bundler contract managing interactions with ERC4626 compliant tokens.
abstract contract ERC4626Bundler is BaseBundler {
    using SafeTransferLib for ERC20;

    /* ACTIONS */

    /// @notice Mints the given amount of `shares` on the given ERC4626 `vault`, on behalf of `receiver`.
    /// @dev Initiator must have previously transferred their assets to the bundler.
    /// @dev Assumes the given `vault` implements EIP-4626.
    /// @param vault The address of the vault.
    /// @param shares The amount of shares to mint.
    /// @param maxAssets The maximum amount of assets to deposit in exchange for `shares`.
    /// @param receiver The address to which shares will be minted.
    function erc4626Mint(address vault, uint256 shares, uint256 maxAssets, address receiver)
        external
        payable
        protected
    {
        /// Do not check `receiver != address(this)` to allow the bundler to receive the vault's shares.
        require(receiver != address(0), ErrorsLib.ZERO_ADDRESS);
        require(shares != 0, ErrorsLib.ZERO_SHARES);

        _approveMaxTo(IERC4626(vault).asset(), vault);

        uint256 assets = IERC4626(vault).mint(shares, receiver);
        require(assets <= maxAssets, ErrorsLib.SLIPPAGE_EXCEEDED);
    }

    /// @notice Deposits the given amount of `assets` on the given ERC4626 `vault`, on behalf of `receiver`.
    /// @dev Initiator must have previously transferred their assets to the bundler.
    /// @dev Assumes the given `vault` implements EIP-4626.
    /// @param vault The address of the vault.
    /// @param assets The amount of assets to deposit. Capped at the bundler's assets.
    /// @param minShares The minimum amount of shares to mint in exchange for `assets`. This parameter is proportionally
    /// scaled down in case there are fewer assets than `assets` on the bundler.
    /// @param receiver The address to which shares will be minted.
    function erc4626Deposit(address vault, uint256 assets, uint256 minShares, address receiver)
        external
        payable
        protected
    {
        /// Do not check `receiver != address(this)` to allow the bundler to receive the vault's shares.
        require(receiver != address(0), ErrorsLib.ZERO_ADDRESS);

        uint256 initialAssets = assets;
        address asset = IERC4626(vault).asset();
        assets = Math.min(assets, ERC20(asset).balanceOf(address(this)));

        require(assets != 0, ErrorsLib.ZERO_AMOUNT);

        _approveMaxTo(asset, vault);

        uint256 shares = IERC4626(vault).deposit(assets, receiver);
        require(shares * initialAssets >= minShares * assets, ErrorsLib.SLIPPAGE_EXCEEDED);
    }

    /// @notice Withdraws the given amount of `assets` from the given ERC4626 `vault`, transferring assets to
    /// `receiver`.
    /// @dev Assumes the given `vault` implements EIP-4626.
    /// @param vault The address of the vault.
    /// @param assets The amount of assets to withdraw.
    /// @param maxShares The maximum amount of shares to redeem in exchange for `assets`.
    /// @param receiver The address that will receive the withdrawn assets.
    /// @param owner The address on behalf of which the assets are withdrawn. Can only be the bundler or the initiator.
    /// If `owner` is the initiator, they must have previously approved the bundler to spend their vault shares.
    /// Otherwise, they must have previously transferred their vault shares to the bundler.
    function erc4626Withdraw(address vault, uint256 assets, uint256 maxShares, address receiver, address owner)
        external
        payable
        protected
    {
        /// Do not check `receiver != address(this)` to allow the bundler to receive the underlying asset.
        require(receiver != address(0), ErrorsLib.ZERO_ADDRESS);
        require(owner == address(this) || owner == initiator(), ErrorsLib.UNEXPECTED_OWNER);
        require(assets != 0, ErrorsLib.ZERO_AMOUNT);

        uint256 shares = IERC4626(vault).withdraw(assets, receiver, owner);
        require(shares <= maxShares, ErrorsLib.SLIPPAGE_EXCEEDED);
    }

    /// @notice Redeems the given amount of `shares` from the given ERC4626 `vault`, transferring assets to `receiver`.
    /// @dev Assumes the given `vault` implements EIP-4626.
    /// @param vault The address of the vault.
    /// @param shares The amount of shares to redeem. Capped at the owner's shares.
    /// @param minAssets The minimum amount of assets to withdraw in exchange for `shares`. This parameter is
    /// proportionally scaled down in case the owner holds fewer shares than `shares`.
    /// @param receiver The address that will receive the withdrawn assets.
    /// @param owner The address on behalf of which the shares are redeemed. Can only be the bundler or the initiator.
    /// If `owner` is the initiator, they must have previously approved the bundler to spend their vault shares.
    /// Otherwise, they must have previously transferred their vault shares to the bundler.
    function erc4626Redeem(address vault, uint256 shares, uint256 minAssets, address receiver, address owner)
        external
        payable
        protected
    {
        /// Do not check `receiver != address(this)` to allow the bundler to receive the underlying asset.
        require(receiver != address(0), ErrorsLib.ZERO_ADDRESS);
        require(owner == address(this) || owner == initiator(), ErrorsLib.UNEXPECTED_OWNER);

        uint256 initialShares = shares;
        shares = Math.min(shares, IERC4626(vault).balanceOf(owner));

        require(shares != 0, ErrorsLib.ZERO_SHARES);

        uint256 assets = IERC4626(vault).redeem(shares, receiver, owner);
        require(assets * initialShares >= minAssets * shares, ErrorsLib.SLIPPAGE_EXCEEDED);
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

/// @title ErrorsLib
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Library exposing error messages.
library ErrorsLib {
    /* STANDARD BUNDLERS */

    /// @dev Thrown when a call is attempted while the bundler is not in an initiated execution context.
    string internal constant UNINITIATED = "uninitiated";

    /// @dev Thrown when a multicall is attempted while the bundler in an initiated execution context.
    string internal constant ALREADY_INITIATED = "already initiated";

    /// @dev Thrown when a call is attempted from an unauthorized sender.
    string internal constant UNAUTHORIZED_SENDER = "unauthorized sender";

    /// @dev Thrown when a call is attempted with a zero address as input.
    string internal constant ZERO_ADDRESS = "zero address";

    /// @dev Thrown when a call is attempted with the bundler address as input.
    string internal constant BUNDLER_ADDRESS = "bundler address";

    /// @dev Thrown when a call is attempted with a zero amount as input.
    string internal constant ZERO_AMOUNT = "zero amount";

    /// @dev Thrown when a call is attempted with a zero shares as input.
    string internal constant ZERO_SHARES = "zero shares";

    /// @dev Thrown when a call reverted and wasn't allowed to revert.
    string internal constant CALL_FAILED = "call failed";

    /// @dev Thrown when the given owner is unexpected.
    string internal constant UNEXPECTED_OWNER = "unexpected owner";

    /// @dev Thrown when an action ends up minting/burning more shares than a given slippage.
    string internal constant SLIPPAGE_EXCEEDED = "slippage exceeded";

    /// @dev Thrown when a call to depositFor fails.
    string internal constant DEPOSIT_FAILED = "deposit failed";

    /// @dev Thrown when a call to withdrawTo fails.
    string internal constant WITHDRAW_FAILED = "withdraw failed";

    /* MIGRATION BUNDLERS */

    /// @dev Thrown when repaying a CompoundV2 debt returns an error code.
    string internal constant REPAY_ERROR = "repay error";

    /// @dev Thrown when redeeming CompoundV2 cTokens returns an error code.
    string internal constant REDEEM_ERROR = "redeem error";
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;

struct ReserveConfigurationMap {
    //bit 0-15: LTV
    //bit 16-31: Liq. threshold
    //bit 32-47: Liq. bonus
    //bit 48-55: Decimals
    //bit 56: reserve is active
    //bit 57: reserve is frozen
    //bit 58: borrowing is enabled
    //bit 59: stable rate borrowing enabled
    //bit 60: asset is paused
    //bit 61: borrowing in isolation mode is enabled
    //bit 62: siloed borrowing enabled
    //bit 63: flashloaning enabled
    //bit 64-79: reserve factor
    //bit 80-115 borrow cap in whole tokens, borrowCap == 0 => no cap
    //bit 116-151 supply cap in whole tokens, supplyCap == 0 => no cap
    //bit 152-167 liquidation protocol fee
    //bit 168-175 eMode category
    //bit 176-211 unbacked mint cap in whole tokens, unbackedMintCap == 0 => minting disabled
    //bit 212-251 debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals
    //bit 252-255 unused
    uint256 data;
}

struct ReserveData {
    //stores the reserve configuration
    ReserveConfigurationMap configuration;
    //the liquidity index. Expressed in ray
    uint128 liquidityIndex;
    //the current supply rate. Expressed in ray
    uint128 currentLiquidityRate;
    //variable borrow index. Expressed in ray
    uint128 variableBorrowIndex;
    //the current variable borrow rate. Expressed in ray
    uint128 currentVariableBorrowRate;
    //the current stable borrow rate. Expressed in ray
    uint128 currentStableBorrowRate;
    //timestamp of last update
    uint40 lastUpdateTimestamp;
    //the id of the reserve. Represents the position in the list of the active reserves
    uint16 id;
    //aToken address
    address aTokenAddress;
    //stableDebtToken address
    address stableDebtTokenAddress;
    //variableDebtToken address
    address variableDebtTokenAddress;
    //address of the interest rate strategy
    address interestRateStrategyAddress;
    //the current treasury balance, scaled
    uint128 accruedToTreasury;
    //the outstanding unbacked aTokens minted through the bridging feature
    uint128 unbacked;
    //the outstanding debt borrowed against this asset in isolation mode
    uint128 isolationModeTotalDebt;
}

interface IAaveV3 {
    /**
     * @notice Mints an `amount` of aTokens to the `onBehalfOf`
     * @param asset The address of the underlying asset to mint
     * @param amount The amount to mint
     * @param onBehalfOf The address that will receive the aTokens
     * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     */
    function mintUnbacked(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external;

    /**
     * @notice Back the current unbacked underlying with `amount` and pay `fee`.
     * @param asset The address of the underlying asset to back
     * @param amount The amount to back
     * @param fee The amount paid in fees
     * @return The backed amount
     */
    function backUnbacked(address asset, uint256 amount, uint256 fee) external returns (uint256);

    /**
     * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
     * - E.g. User supplies 100 USDC and gets in return 100 aUSDC
     * @param asset The address of the underlying asset to supply
     * @param amount The amount to be supplied
     * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
     *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
     *   is a different wallet
     * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     */
    function supply(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external;

    /**
     * @notice Supply with transfer approval of asset to be supplied done via permit function
     * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713
     * @param asset The address of the underlying asset to supply
     * @param amount The amount to be supplied
     * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
     *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
     *   is a different wallet
     * @param deadline The deadline timestamp that the permit is valid
     * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     * @param permitV The V parameter of ERC712 permit sig
     * @param permitR The R parameter of ERC712 permit sig
     * @param permitS The S parameter of ERC712 permit sig
     */
    function supplyWithPermit(
        address asset,
        uint256 amount,
        address onBehalfOf,
        uint16 referralCode,
        uint256 deadline,
        uint8 permitV,
        bytes32 permitR,
        bytes32 permitS
    ) external;

    /**
     * @notice Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned
     * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC
     * @param asset The address of the underlying asset to withdraw
     * @param amount The underlying amount to be withdrawn
     *   - Send the value type(uint256).max in order to withdraw the whole aToken balance
     * @param to The address that will receive the underlying, same as msg.sender if the user
     *   wants to receive it on his own wallet, or a different address if the beneficiary is a
     *   different wallet
     * @return The final amount withdrawn
     */
    function withdraw(address asset, uint256 amount, address to) external returns (uint256);

    /**
     * @notice Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower
     * already supplied enough collateral, or he was given enough allowance by a credit delegator on the
     * corresponding debt token (StableDebtToken or VariableDebtToken)
     * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet
     *   and 100 stable/variable debt tokens, depending on the `interestRateMode`
     * @param asset The address of the underlying asset to borrow
     * @param amount The amount to be borrowed
     * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable
     * @param referralCode The code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     * @param onBehalfOf The address of the user who will receive the debt. Should be the address of the borrower itself
     * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator
     * if he has been given credit delegation allowance
     */
    function borrow(address asset, uint256 amount, uint256 interestRateMode, uint16 referralCode, address onBehalfOf)
        external;

    /**
     * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned
     * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address
     * @param asset The address of the borrowed underlying asset previously borrowed
     * @param amount The amount to repay
     * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
     * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for
     * Variable
     * @param onBehalfOf The address of the user who will get his debt reduced/removed. Should be the address of the
     * user calling the function if he wants to reduce/remove his own debt, or the address of any other
     * other borrower whose debt should be removed
     * @return The final amount repaid
     */
    function repay(address asset, uint256 amount, uint256 interestRateMode, address onBehalfOf)
        external
        returns (uint256);

    /**
     * @notice Repay with transfer approval of asset to be repaid done via permit function
     * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713
     * @param asset The address of the borrowed underlying asset previously borrowed
     * @param amount The amount to repay
     * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
     * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for
     * Variable
     * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the
     * user calling the function if he wants to reduce/remove his own debt, or the address of any other
     * other borrower whose debt should be removed
     * @param deadline The deadline timestamp that the permit is valid
     * @param permitV The V parameter of ERC712 permit sig
     * @param permitR The R parameter of ERC712 permit sig
     * @param permitS The S parameter of ERC712 permit sig
     * @return The final amount repaid
     */
    function repayWithPermit(
        address asset,
        uint256 amount,
        uint256 interestRateMode,
        address onBehalfOf,
        uint256 deadline,
        uint8 permitV,
        bytes32 permitR,
        bytes32 permitS
    ) external returns (uint256);

    /**
     * @notice Repays a borrowed `amount` on a specific reserve using the reserve aTokens, burning the
     * equivalent debt tokens
     * - E.g. User repays 100 USDC using 100 aUSDC, burning 100 variable/stable debt tokens
     * @dev  Passing uint256.max as amount will clean up any residual aToken dust balance, if the user aToken
     * balance is not enough to cover the whole debt
     * @param asset The address of the borrowed underlying asset previously borrowed
     * @param amount The amount to repay
     * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
     * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for
     * Variable
     * @return The final amount repaid
     */
    function repayWithATokens(address asset, uint256 amount, uint256 interestRateMode) external returns (uint256);

    /**
     * @notice Allows a borrower to swap his debt between stable and variable mode, or vice versa
     * @param asset The address of the underlying asset borrowed
     * @param interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for
     * Variable
     */
    function swapBorrowRateMode(address asset, uint256 interestRateMode) external;

    /**
     * @notice Rebalances the stable interest rate of a user to the current stable rate defined on the reserve.
     * - Users can be rebalanced if the following conditions are satisfied:
     *     1. Usage ratio is above 95%
     *     2. the current supply APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too
     *        much has been borrowed at a stable rate and suppliers are not earning enough
     * @param asset The address of the underlying asset borrowed
     * @param user The address of the user to be rebalanced
     */
    function rebalanceStableBorrowRate(address asset, address user) external;

    /**
     * @notice Allows suppliers to enable/disable a specific supplied asset as collateral
     * @param asset The address of the underlying asset supplied
     * @param useAsCollateral True if the user wants to use the supply as collateral, false otherwise
     */
    function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external;

    /**
     * @notice Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1
     * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives
     *   a proportionally amount of the `collateralAsset` plus a bonus to cover market risk
     * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the
     * liquidation
     * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
     * @param user The address of the borrower getting liquidated
     * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
     * @param receiveAToken True if the liquidators wants to receive the collateral aTokens, `false` if he wants
     * to receive the underlying collateral asset directly
     */
    function liquidationCall(
        address collateralAsset,
        address debtAsset,
        address user,
        uint256 debtToCover,
        bool receiveAToken
    ) external;

    /**
     * @notice Allows smartcontracts to access the liquidity of the pool within one transaction,
     * as long as the amount taken plus a fee is returned.
     * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept
     * into consideration. For further details please visit https://docs.aave.com/developers/
     * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanReceiver interface
     * @param assets The addresses of the assets being flash-borrowed
     * @param amounts The amounts of the assets being flash-borrowed
     * @param interestRateModes Types of the debt to open if the flash loan is not returned:
     *   0 -> Don't open any debt, just revert if funds can't be transferred from the receiver
     *   1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
     *   2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
     * @param onBehalfOf The address  that will receive the debt in the case of using on `modes` 1 or 2
     * @param params Variadic packed params to pass to the receiver as extra information
     * @param referralCode The code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     */
    function flashLoan(
        address receiverAddress,
        address[] calldata assets,
        uint256[] calldata amounts,
        uint256[] calldata interestRateModes,
        address onBehalfOf,
        bytes calldata params,
        uint16 referralCode
    ) external;

    /**
     * @notice Allows smartcontracts to access the liquidity of the pool within one transaction,
     * as long as the amount taken plus a fee is returned.
     * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept
     * into consideration. For further details please visit https://docs.aave.com/developers/
     * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanSimpleReceiver
     * interface
     * @param asset The address of the asset being flash-borrowed
     * @param amount The amount of the asset being flash-borrowed
     * @param params Variadic packed params to pass to the receiver as extra information
     * @param referralCode The code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     */
    function flashLoanSimple(
        address receiverAddress,
        address asset,
        uint256 amount,
        bytes calldata params,
        uint16 referralCode
    ) external;

    /**
     * @notice Returns the user account data across all the reserves
     * @param user The address of the user
     * @return totalCollateralBase The total collateral of the user in the base currency used by the price feed
     * @return totalDebtBase The total debt of the user in the base currency used by the price feed
     * @return availableBorrowsBase The borrowing power left of the user in the base currency used by the price feed
     * @return currentLiquidationThreshold The liquidation threshold of the user
     * @return ltv The loan to value of The user
     * @return healthFactor The current health factor of the user
     */
    function getUserAccountData(address user)
        external
        view
        returns (
            uint256 totalCollateralBase,
            uint256 totalDebtBase,
            uint256 availableBorrowsBase,
            uint256 currentLiquidationThreshold,
            uint256 ltv,
            uint256 healthFactor
        );

    /**
     * @notice Initializes a reserve, activating it, assigning an aToken and debt tokens and an
     * interest rate strategy
     * @dev Only callable by the PoolConfigurator contract
     * @param asset The address of the underlying asset of the reserve
     * @param aTokenAddress The address of the aToken that will be assigned to the reserve
     * @param stableDebtAddress The address of the StableDebtToken that will be assigned to the reserve
     * @param variableDebtAddress The address of the VariableDebtToken that will be assigned to the reserve
     * @param interestRateStrategyAddress The address of the interest rate strategy contract
     */
    function initReserve(
        address asset,
        address aTokenAddress,
        address stableDebtAddress,
        address variableDebtAddress,
        address interestRateStrategyAddress
    ) external;

    /**
     * @notice Drop a reserve
     * @dev Only callable by the PoolConfigurator contract
     * @param asset The address of the underlying asset of the reserve
     */
    function dropReserve(address asset) external;

    /**
     * @notice Updates the address of the interest rate strategy contract
     * @dev Only callable by the PoolConfigurator contract
     * @param asset The address of the underlying asset of the reserve
     * @param rateStrategyAddress The address of the interest rate strategy contract
     */
    function setReserveInterestRateStrategyAddress(address asset, address rateStrategyAddress) external;

    /**
     * @notice Returns the normalized income of the reserve
     * @param asset The address of the underlying asset of the reserve
     * @return The reserve's normalized income
     */
    function getReserveNormalizedIncome(address asset) external view returns (uint256);

    /**
     * @notice Returns the normalized variable debt per unit of asset
     * @dev WARNING: This function is intended to be used primarily by the protocol itself to get a
     * "dynamic" variable index based on time, current stored index and virtual rate at the current
     * moment (approx. a borrower would get if opening a position). This means that is always used in
     * combination with variable debt supply/balances.
     * If using this function externally, consider that is possible to have an increasing normalized
     * variable debt that is not equivalent to how the variable debt index would be updated in storage
     * (e.g. only updates with non-zero variable debt supply)
     * @param asset The address of the underlying asset of the reserve
     * @return The reserve normalized variable debt
     */
    function getReserveNormalizedVariableDebt(address asset) external view returns (uint256);

    /**
     * @notice Returns the state and configuration of the reserve
     * @param asset The address of the underlying asset of the reserve
     * @return The state and configuration data of the reserve
     */
    function getReserveData(address asset) external view returns (ReserveData memory);

    /**
     * @notice Validates and finalizes an aToken transfer
     * @dev Only callable by the overlying aToken of the `asset`
     * @param asset The address of the underlying asset of the aToken
     * @param from The user from which the aTokens are transferred
     * @param to The user receiving the aTokens
     * @param amount The amount being transferred/withdrawn
     * @param balanceFromBefore The aToken balance of the `from` user before the transfer
     * @param balanceToBefore The aToken balance of the `to` user before the transfer
     */
    function finalizeTransfer(
        address asset,
        address from,
        address to,
        uint256 amount,
        uint256 balanceFromBefore,
        uint256 balanceToBefore
    ) external;

    /**
     * @notice Returns the list of the underlying assets of all the initialized reserves
     * @dev It does not include dropped reserves
     * @return The addresses of the underlying assets of the initialized reserves
     */
    function getReservesList() external view returns (address[] memory);

    /**
     * @notice Returns the address of the underlying asset of a reserve by the reserve id as stored in the
     * DataTypes.ReserveData struct
     * @param id The id of the reserve as stored in the DataTypes.ReserveData struct
     * @return The address of the reserve associated with id
     */
    function getReserveAddressById(uint16 id) external view returns (address);

    /**
     * @notice Returns the PoolAddressesProvider connected to this contract
     * @return The address of the PoolAddressesProvider
     */
    function ADDRESSES_PROVIDER() external view returns (address);

    /**
     * @notice Updates the protocol fee on the bridging
     * @param bridgeProtocolFee The part of the premium sent to the protocol treasury
     */
    function updateBridgeProtocolFee(uint256 bridgeProtocolFee) external;

    /**
     * @notice Updates flash loan premiums. Flash loan premium consists of two parts:
     * - A part is sent to aToken holders as extra, one time accumulated interest
     * - A part is collected by the protocol treasury
     * @dev The total premium is calculated on the total borrowed amount
     * @dev The premium to protocol is calculated on the total premium, being a percentage of `flashLoanPremiumTotal`
     * @dev Only callable by the PoolConfigurator contract
     * @param flashLoanPremiumTotal The total premium, expressed in bps
     * @param flashLoanPremiumToProtocol The part of the premium sent to the protocol treasury, expressed in bps
     */
    function updateFlashloanPremiums(uint128 flashLoanPremiumTotal, uint128 flashLoanPremiumToProtocol) external;

    /**
     * @notice Allows a user to use the protocol in eMode
     * @param categoryId The id of the category
     */
    function setUserEMode(uint8 categoryId) external;

    /**
     * @notice Returns the eMode the user is using
     * @param user The address of the user
     * @return The eMode id
     */
    function getUserEMode(address user) external view returns (uint256);

    /**
     * @notice Resets the isolation mode total debt of the given asset to zero
     * @dev It requires the given asset has zero debt ceiling
     * @param asset The address of the underlying asset to reset the isolationModeTotalDebt
     */
    function resetIsolationModeTotalDebt(address asset) external;

    /**
     * @notice Returns the percentage of available liquidity that can be borrowed at once at stable rate
     * @return The percentage of available liquidity to borrow, expressed in bps
     */
    function MAX_STABLE_RATE_BORROW_SIZE_PERCENT() external view returns (uint256);

    /**
     * @notice Returns the total fee on flash loans
     * @return The total fee on flashloans
     */
    function FLASHLOAN_PREMIUM_TOTAL() external view returns (uint128);

    /**
     * @notice Returns the part of the bridge fees sent to protocol
     * @return The bridge fee sent to the protocol treasury
     */
    function BRIDGE_PROTOCOL_FEE() external view returns (uint256);

    /**
     * @notice Returns the part of the flashloan fees sent to protocol
     * @return The flashloan fee sent to the protocol treasury
     */
    function FLASHLOAN_PREMIUM_TO_PROTOCOL() external view returns (uint128);

    /**
     * @notice Returns the maximum number of reserves supported to be listed in this Pool
     * @return The maximum number of reserves supported
     */
    function MAX_NUMBER_RESERVES() external view returns (uint16);

    /**
     * @notice Mints the assets accrued through the reserve factor to the treasury in the form of aTokens
     * @param assets The list of reserves for which the minting needs to be executed
     */
    function mintToTreasury(address[] calldata assets) external;

    /**
     * @notice Rescue and transfer tokens locked in this contract
     * @param token The address of the token
     * @param to The address of the recipient
     * @param amount The amount of token to transfer
     */
    function rescueTokens(address token, address to, uint256 amount) external;

    /**
     * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
     * - E.g. User supplies 100 USDC and gets in return 100 aUSDC
     * @dev Deprecated: Use the `supply` function instead
     * @param asset The address of the underlying asset to supply
     * @param amount The amount to be supplied
     * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
     *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
     *   is a different wallet
     * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     */
    function deposit(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import {IEIP712} from "./IEIP712.sol";

/// @title AllowanceTransfer
/// @notice Handles ERC20 token permissions through signature based allowance setting and ERC20 token transfers by checking allowed amounts
/// @dev Requires user's token approval on the Permit2 contract
interface IAllowanceTransfer is IEIP712 {
    /// @notice Thrown when an allowance on a token has expired.
    /// @param deadline The timestamp at which the allowed amount is no longer valid
    error AllowanceExpired(uint256 deadline);

    /// @notice Thrown when an allowance on a token has been depleted.
    /// @param amount The maximum amount allowed
    error InsufficientAllowance(uint256 amount);

    /// @notice Thrown when too many nonces are invalidated.
    error ExcessiveInvalidation();

    /// @notice Emits an event when the owner successfully invalidates an ordered nonce.
    event NonceInvalidation(
        address indexed owner, address indexed token, address indexed spender, uint48 newNonce, uint48 oldNonce
    );

    /// @notice Emits an event when the owner successfully sets permissions on a token for the spender.
    event Approval(
        address indexed owner, address indexed token, address indexed spender, uint160 amount, uint48 expiration
    );

    /// @notice Emits an event when the owner successfully sets permissions using a permit signature on a token for the spender.
    event Permit(
        address indexed owner,
        address indexed token,
        address indexed spender,
        uint160 amount,
        uint48 expiration,
        uint48 nonce
    );

    /// @notice Emits an event when the owner sets the allowance back to 0 with the lockdown function.
    event Lockdown(address indexed owner, address token, address spender);

    /// @notice The permit data for a token
    struct PermitDetails {
        // ERC20 token address
        address token;
        // the maximum amount allowed to spend
        uint160 amount;
        // timestamp at which a spender's token allowances become invalid
        uint48 expiration;
        // an incrementing value indexed per owner,token,and spender for each signature
        uint48 nonce;
    }

    /// @notice The permit message signed for a single token allownce
    struct PermitSingle {
        // the permit data for a single token alownce
        PermitDetails details;
        // address permissioned on the allowed tokens
        address spender;
        // deadline on the permit signature
        uint256 sigDeadline;
    }

    /// @notice The permit message signed for multiple token allowances
    struct PermitBatch {
        // the permit data for multiple token allowances
        PermitDetails[] details;
        // address permissioned on the allowed tokens
        address spender;
        // deadline on the permit signature
        uint256 sigDeadline;
    }

    /// @notice The saved permissions
    /// @dev This info is saved per owner, per token, per spender and all signed over in the permit message
    /// @dev Setting amount to type(uint160).max sets an unlimited approval
    struct PackedAllowance {
        // amount allowed
        uint160 amount;
        // permission expiry
        uint48 expiration;
        // an incrementing value indexed per owner,token,and spender for each signature
        uint48 nonce;
    }

    /// @notice A token spender pair.
    struct TokenSpenderPair {
        // the token the spender is approved
        address token;
        // the spender address
        address spender;
    }

    /// @notice Details for a token transfer.
    struct AllowanceTransferDetails {
        // the owner of the token
        address from;
        // the recipient of the token
        address to;
        // the amount of the token
        uint160 amount;
        // the token to be transferred
        address token;
    }

    /// @notice A mapping from owner address to token address to spender address to PackedAllowance struct, which contains details and conditions of the approval.
    /// @notice The mapping is indexed in the above order see: allowance[ownerAddress][tokenAddress][spenderAddress]
    /// @dev The packed slot holds the allowed amount, expiration at which the allowed amount is no longer valid, and current nonce thats updated on any signature based approvals.
    function allowance(address user, address token, address spender)
        external
        view
        returns (uint160 amount, uint48 expiration, uint48 nonce);

    /// @notice Approves the spender to use up to amount of the specified token up until the expiration
    /// @param token The token to approve
    /// @param spender The spender address to approve
    /// @param amount The approved amount of the token
    /// @param expiration The timestamp at which the approval is no longer valid
    /// @dev The packed allowance also holds a nonce, which will stay unchanged in approve
    /// @dev Setting amount to type(uint160).max sets an unlimited approval
    function approve(address token, address spender, uint160 amount, uint48 expiration) external;

    /// @notice Permit a spender to a given amount of the owners token via the owner's EIP-712 signature
    /// @dev May fail if the owner's nonce was invalidated in-flight by invalidateNonce
    /// @param owner The owner of the tokens being approved
    /// @param permitSingle Data signed over by the owner specifying the terms of approval
    /// @param signature The owner's signature over the permit data
    function permit(address owner, PermitSingle memory permitSingle, bytes calldata signature) external;

    /// @notice Permit a spender to the signed amounts of the owners tokens via the owner's EIP-712 signature
    /// @dev May fail if the owner's nonce was invalidated in-flight by invalidateNonce
    /// @param owner The owner of the tokens being approved
    /// @param permitBatch Data signed over by the owner specifying the terms of approval
    /// @param signature The owner's signature over the permit data
    function permit(address owner, PermitBatch memory permitBatch, bytes calldata signature) external;

    /// @notice Transfer approved tokens from one address to another
    /// @param from The address to transfer from
    /// @param to The address of the recipient
    /// @param amount The amount of the token to transfer
    /// @param token The token address to transfer
    /// @dev Requires the from address to have approved at least the desired amount
    /// of tokens to msg.sender.
    function transferFrom(address from, address to, uint160 amount, address token) external;

    /// @notice Transfer approved tokens in a batch
    /// @param transferDetails Array of owners, recipients, amounts, and tokens for the transfers
    /// @dev Requires the from addresses to have approved at least the desired amount
    /// of tokens to msg.sender.
    function transferFrom(AllowanceTransferDetails[] calldata transferDetails) external;

    /// @notice Enables performing a "lockdown" of the sender's Permit2 identity
    /// by batch revoking approvals
    /// @param approvals Array of approvals to revoke.
    function lockdown(TokenSpenderPair[] calldata approvals) external;

    /// @notice Invalidate nonces for a given (token, spender) pair
    /// @param token The token to invalidate nonces for
    /// @param spender The spender to invalidate nonces for
    /// @param newNonce The new nonce to set. Invalidates all nonces less than it.
    /// @dev Can't invalidate more than 2**16 nonces per transaction.
    function invalidateNonces(address token, address spender, uint48 newNonce) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

interface IDAIPermit {
    /// @param holder The address of the token owner.
    /// @param spender The address of the token spender.
    /// @param nonce The owner's nonce, increases at each call to permit.
    /// @param expiry The timestamp at which the permit is no longer valid.
    /// @param allowed Boolean that sets approval amount, true for type(uint256).max and false for 0.
    /// @param v Must produce valid secp256k1 signature from the owner along with r and s.
    /// @param r Must produce valid secp256k1 signature from the owner along with v and s.
    /// @param s Must produce valid secp256k1 signature from the owner along with r and v.
    function permit(
        address holder,
        address spender,
        uint256 nonce,
        uint256 expiry,
        bool allowed,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

interface IEIP712 {
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// 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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC4626.sol)

pragma solidity ^0.8.0;

import "../token/ERC20/IERC20.sol";
import "../token/ERC20/extensions/IERC20Metadata.sol";

/**
 * @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in
 * https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
 *
 * _Available since v4.7._
 */
interface IERC4626 is IERC20, IERC20Metadata {
    event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);

    event Withdraw(
        address indexed sender,
        address indexed receiver,
        address indexed owner,
        uint256 assets,
        uint256 shares
    );

    /**
     * @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
     *
     * - MUST be an ERC-20 token contract.
     * - MUST NOT revert.
     */
    function asset() external view returns (address assetTokenAddress);

    /**
     * @dev Returns the total amount of the underlying asset that is “managed” by Vault.
     *
     * - SHOULD include any compounding that occurs from yield.
     * - MUST be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT revert.
     */
    function totalAssets() external view returns (uint256 totalManagedAssets);

    /**
     * @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
     * scenario where all the conditions are met.
     *
     * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT show any variations depending on the caller.
     * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
     * - MUST NOT revert.
     *
     * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
     * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
     * from.
     */
    function convertToShares(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
     * scenario where all the conditions are met.
     *
     * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT show any variations depending on the caller.
     * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
     * - MUST NOT revert.
     *
     * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
     * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
     * from.
     */
    function convertToAssets(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
     * through a deposit call.
     *
     * - MUST return a limited value if receiver is subject to some deposit limit.
     * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
     * - MUST NOT revert.
     */
    function maxDeposit(address receiver) external view returns (uint256 maxAssets);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
     * current on-chain conditions.
     *
     * - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
     *   call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
     *   in the same transaction.
     * - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
     *   deposit would be accepted, regardless if the user has enough tokens approved, etc.
     * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewDeposit(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
     *
     * - MUST emit the Deposit event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   deposit execution, and are accounted for during deposit.
     * - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
     *   approving enough underlying tokens to the Vault contract, etc).
     *
     * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function deposit(uint256 assets, address receiver) external returns (uint256 shares);

    /**
     * @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
     * - MUST return a limited value if receiver is subject to some mint limit.
     * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
     * - MUST NOT revert.
     */
    function maxMint(address receiver) external view returns (uint256 maxShares);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
     * current on-chain conditions.
     *
     * - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
     *   in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
     *   same transaction.
     * - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
     *   would be accepted, regardless if the user has enough tokens approved, etc.
     * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by minting.
     */
    function previewMint(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
     *
     * - MUST emit the Deposit event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
     *   execution, and are accounted for during mint.
     * - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
     *   approving enough underlying tokens to the Vault contract, etc).
     *
     * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function mint(uint256 shares, address receiver) external returns (uint256 assets);

    /**
     * @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
     * Vault, through a withdraw call.
     *
     * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
     * - MUST NOT revert.
     */
    function maxWithdraw(address owner) external view returns (uint256 maxAssets);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
     * given current on-chain conditions.
     *
     * - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
     *   call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
     *   called
     *   in the same transaction.
     * - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
     *   the withdrawal would be accepted, regardless if the user has enough shares, etc.
     * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewWithdraw(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
     *
     * - MUST emit the Withdraw event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   withdraw execution, and are accounted for during withdraw.
     * - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
     *   not having enough shares, etc).
     *
     * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);

    /**
     * @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
     * through a redeem call.
     *
     * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
     * - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
     * - MUST NOT revert.
     */
    function maxRedeem(address owner) external view returns (uint256 maxShares);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
     * given current on-chain conditions.
     *
     * - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
     *   in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
     *   same transaction.
     * - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
     *   redemption would be accepted, regardless if the user has enough shares, etc.
     * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by redeeming.
     */
    function previewRedeem(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
     *
     * - MUST emit the Withdraw event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   redeem execution, and are accounted for during redeem.
     * - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
     *   not having enough shares, etc).
     *
     * NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;

import {IMorpho, Id, MarketParams} from "../../lib/morpho-blue/src/interfaces/IMorpho.sol";
import {IERC4626} from "../../lib/openzeppelin-contracts/contracts/interfaces/IERC4626.sol";
import {IERC20Permit} from "../../lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Permit.sol";

import {MarketConfig, PendingUint192, PendingAddress} from "../libraries/PendingLib.sol";

struct MarketAllocation {
    /// @notice The market to allocate.
    MarketParams marketParams;
    /// @notice The amount of assets to allocate.
    uint256 assets;
}

interface IMulticall {
    function multicall(bytes[] calldata) external returns (bytes[] memory);
}

interface IOwnable {
    function owner() external view returns (address);
    function transferOwnership(address) external;
    function renounceOwnership() external;
    function acceptOwnership() external;
    function pendingOwner() external view returns (address);
}

/// @dev This interface is used for factorizing IMetaMorphoStaticTyping and IMetaMorpho.
/// @dev Consider using the IMetaMorpho interface instead of this one.
interface IMetaMorphoBase {
    /// @notice The address of the Morpho contract.
    function MORPHO() external view returns (IMorpho);
    function DECIMALS_OFFSET() external view returns (uint8);

    /// @notice The address of the curator.
    function curator() external view returns (address);

    /// @notice Stores whether an address is an allocator or not.
    function isAllocator(address target) external view returns (bool);

    /// @notice The current guardian. Can be set even without the timelock set.
    function guardian() external view returns (address);

    /// @notice The current fee.
    function fee() external view returns (uint96);

    /// @notice The fee recipient.
    function feeRecipient() external view returns (address);

    /// @notice The skim recipient.
    function skimRecipient() external view returns (address);

    /// @notice The current timelock.
    function timelock() external view returns (uint256);

    /// @dev Stores the order of markets on which liquidity is supplied upon deposit.
    /// @dev Can contain any market. A market is skipped as soon as its supply cap is reached.
    function supplyQueue(uint256) external view returns (Id);

    /// @notice Returns the length of the supply queue.
    function supplyQueueLength() external view returns (uint256);

    /// @dev Stores the order of markets from which liquidity is withdrawn upon withdrawal.
    /// @dev Always contain all non-zero cap markets as well as all markets on which the vault supplies liquidity,
    /// without duplicate.
    function withdrawQueue(uint256) external view returns (Id);

    /// @notice Returns the length of the withdraw queue.
    function withdrawQueueLength() external view returns (uint256);

    /// @notice Stores the total assets managed by this vault when the fee was last accrued.
    /// @dev May be greater than `totalAssets()` due to removal of markets with non-zero supply or socialized bad debt.
    /// This difference will decrease the fee accrued until one of the functions updating `lastTotalAssets` is
    /// triggered (deposit/mint/withdraw/redeem/setFee/setFeeRecipient).
    function lastTotalAssets() external view returns (uint256);

    /// @notice Submits a `newTimelock`.
    /// @dev Warning: Reverts if a timelock is already pending. Revoke the pending timelock to overwrite it.
    /// @dev In case the new timelock is higher than the current one, the timelock is set immediately.
    function submitTimelock(uint256 newTimelock) external;

    /// @notice Accepts the pending timelock.
    function acceptTimelock() external;

    /// @notice Revokes the pending timelock.
    /// @dev Does not revert if there is no pending timelock.
    function revokePendingTimelock() external;

    /// @notice Submits a `newSupplyCap` for the market defined by `marketParams`.
    /// @dev Warning: Reverts if a cap is already pending. Revoke the pending cap to overwrite it.
    /// @dev Warning: Reverts if a market removal is pending.
    /// @dev In case the new cap is lower than the current one, the cap is set immediately.
    function submitCap(MarketParams memory marketParams, uint256 newSupplyCap) external;

    /// @notice Accepts the pending cap of the market defined by `marketParams`.
    function acceptCap(MarketParams memory marketParams) external;

    /// @notice Revokes the pending cap of the market defined by `id`.
    /// @dev Does not revert if there is no pending cap.
    function revokePendingCap(Id id) external;

    /// @notice Submits a forced market removal from the vault, eventually losing all funds supplied to the market.
    /// @notice Funds can be recovered by enabling this market again and withdrawing from it (using `reallocate`),
    /// but funds will be distributed pro-rata to the shares at the time of withdrawal, not at the time of removal.
    /// @notice This forced removal is expected to be used as an emergency process in case a market constantly reverts.
    /// To softly remove a sane market, the curator role is expected to bundle a reallocation that empties the market
    /// first (using `reallocate`), followed by the removal of the market (using `updateWithdrawQueue`).
    /// @dev Warning: Removing a market with non-zero supply will instantly impact the vault's price per share.
    /// @dev Warning: Reverts for non-zero cap or if there is a pending cap. Successfully submitting a zero cap will
    /// prevent such reverts.
    function submitMarketRemoval(MarketParams memory marketParams) external;

    /// @notice Revokes the pending removal of the market defined by `id`.
    /// @dev Does not revert if there is no pending market removal.
    function revokePendingMarketRemoval(Id id) external;

    /// @notice Submits a `newGuardian`.
    /// @notice Warning: a malicious guardian could disrupt the vault's operation, and would have the power to revoke
    /// any pending guardian.
    /// @dev In case there is no guardian, the gardian is set immediately.
    /// @dev Warning: Submitting a gardian will overwrite the current pending gardian.
    function submitGuardian(address newGuardian) external;

    /// @notice Accepts the pending guardian.
    function acceptGuardian() external;

    /// @notice Revokes the pending guardian.
    function revokePendingGuardian() external;

    /// @notice Skims the vault `token` balance to `skimRecipient`.
    function skim(address) external;

    /// @notice Sets `newAllocator` as an allocator or not (`newIsAllocator`).
    function setIsAllocator(address newAllocator, bool newIsAllocator) external;

    /// @notice Sets `curator` to `newCurator`.
    function setCurator(address newCurator) external;

    /// @notice Sets the `fee` to `newFee`.
    function setFee(uint256 newFee) external;

    /// @notice Sets `feeRecipient` to `newFeeRecipient`.
    function setFeeRecipient(address newFeeRecipient) external;

    /// @notice Sets `skimRecipient` to `newSkimRecipient`.
    function setSkimRecipient(address newSkimRecipient) external;

    /// @notice Sets `supplyQueue` to `newSupplyQueue`.
    /// @param newSupplyQueue is an array of enabled markets, and can contain duplicate markets, but it would only
    /// increase the cost of depositing to the vault.
    function setSupplyQueue(Id[] calldata newSupplyQueue) external;

    /// @notice Updates the withdraw queue. Some markets can be removed, but no market can be added.
    /// @notice Removing a market requires the vault to have 0 supply on it, or to have previously submitted a removal
    /// for this market (with the function `submitMarketRemoval`).
    /// @notice Warning: Anyone can supply on behalf of the vault so the call to `updateWithdrawQueue` that expects a
    /// market to be empty can be griefed by a front-run. To circumvent this, the allocator can simply bundle a
    /// reallocation that withdraws max from this market with a call to `updateWithdrawQueue`.
    /// @dev Warning: Removing a market with supply will decrease the fee accrued until one of the functions updating
    /// `lastTotalAssets` is triggered (deposit/mint/withdraw/redeem/setFee/setFeeRecipient).
    /// @dev Warning: `updateWithdrawQueue` is not idempotent. Submitting twice the same tx will change the queue twice.
    /// @param indexes The indexes of each market in the previous withdraw queue, in the new withdraw queue's order.
    function updateWithdrawQueue(uint256[] calldata indexes) external;

    /// @notice Reallocates the vault's liquidity so as to reach a given allocation of assets on each given market.
    /// @notice The allocator can withdraw from any market, even if it's not in the withdraw queue, as long as the loan
    /// token of the market is the same as the vault's asset.
    /// @dev The behavior of the reallocation can be altered by state changes, including:
    /// - Deposits on the vault that supplies to markets that are expected to be supplied to during reallocation.
    /// - Withdrawals from the vault that withdraws from markets that are expected to be withdrawn from during
    /// reallocation.
    /// - Donations to the vault on markets that are expected to be supplied to during reallocation.
    /// - Withdrawals from markets that are expected to be withdrawn from during reallocation.
    /// @dev Sender is expected to pass `assets = type(uint256).max` with the last MarketAllocation of `allocations` to
    /// supply all the remaining withdrawn liquidity, which would ensure that `totalWithdrawn` = `totalSupplied`.
    function reallocate(MarketAllocation[] calldata allocations) external;
}

/// @dev This interface is inherited by MetaMorpho so that function signatures are checked by the compiler.
/// @dev Consider using the IMetaMorpho interface instead of this one.
interface IMetaMorphoStaticTyping is IMetaMorphoBase {
    /// @notice Returns the current configuration of each market.
    function config(Id) external view returns (uint184 cap, bool enabled, uint64 removableAt);

    /// @notice Returns the pending guardian.
    function pendingGuardian() external view returns (address guardian, uint64 validAt);

    /// @notice Returns the pending cap for each market.
    function pendingCap(Id) external view returns (uint192 value, uint64 validAt);

    /// @notice Returns the pending timelock.
    function pendingTimelock() external view returns (uint192 value, uint64 validAt);
}

/// @title IMetaMorpho
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @dev Use this interface for MetaMorpho to have access to all the functions with the appropriate function signatures.
interface IMetaMorpho is IMetaMorphoBase, IERC4626, IERC20Permit, IOwnable, IMulticall {
    /// @notice Returns the current configuration of each market.
    function config(Id) external view returns (MarketConfig memory);

    /// @notice Returns the pending guardian.
    function pendingGuardian() external view returns (PendingAddress memory);

    /// @notice Returns the pending cap for each market.
    function pendingCap(Id) external view returns (PendingUint192 memory);

    /// @notice Returns the pending timelock.
    function pendingTimelock() external view returns (PendingUint192 memory);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;

type Id is bytes32;

struct MarketParams {
    address loanToken;
    address collateralToken;
    address oracle;
    address irm;
    uint256 lltv;
}

/// @dev Warning: For `feeRecipient`, `supplyShares` does not contain the accrued shares since the last interest
/// accrual.
struct Position {
    uint256 supplyShares;
    uint128 borrowShares;
    uint128 collateral;
}

/// @dev Warning: `totalSupplyAssets` does not contain the accrued interest since the last interest accrual.
/// @dev Warning: `totalBorrowAssets` does not contain the accrued interest since the last interest accrual.
/// @dev Warning: `totalSupplyShares` does not contain the additional shares accrued by `feeRecipient` since the last
/// interest accrual.
struct Market {
    uint128 totalSupplyAssets;
    uint128 totalSupplyShares;
    uint128 totalBorrowAssets;
    uint128 totalBorrowShares;
    uint128 lastUpdate;
    uint128 fee;
}

struct Authorization {
    address authorizer;
    address authorized;
    bool isAuthorized;
    uint256 nonce;
    uint256 deadline;
}

struct Signature {
    uint8 v;
    bytes32 r;
    bytes32 s;
}

/// @dev This interface is used for factorizing IMorphoStaticTyping and IMorpho.
/// @dev Consider using the IMorpho interface instead of this one.
interface IMorphoBase {
    /// @notice The EIP-712 domain separator.
    /// @dev Warning: Every EIP-712 signed message based on this domain separator can be reused on another chain sharing
    /// the same chain id because the domain separator would be the same.
    function DOMAIN_SEPARATOR() external view returns (bytes32);

    /// @notice The owner of the contract.
    /// @dev It has the power to change the owner.
    /// @dev It has the power to set fees on markets and set the fee recipient.
    /// @dev It has the power to enable but not disable IRMs and LLTVs.
    function owner() external view returns (address);

    /// @notice The fee recipient of all markets.
    /// @dev The recipient receives the fees of a given market through a supply position on that market.
    function feeRecipient() external view returns (address);

    /// @notice Whether the `irm` is enabled.
    function isIrmEnabled(address irm) external view returns (bool);

    /// @notice Whether the `lltv` is enabled.
    function isLltvEnabled(uint256 lltv) external view returns (bool);

    /// @notice Whether `authorized` is authorized to modify `authorizer`'s position on all markets.
    /// @dev Anyone is authorized to modify their own positions, regardless of this variable.
    function isAuthorized(address authorizer, address authorized) external view returns (bool);

    /// @notice The `authorizer`'s current nonce. Used to prevent replay attacks with EIP-712 signatures.
    function nonce(address authorizer) external view returns (uint256);

    /// @notice Sets `newOwner` as `owner` of the contract.
    /// @dev Warning: No two-step transfer ownership.
    /// @dev Warning: The owner can be set to the zero address.
    function setOwner(address newOwner) external;

    /// @notice Enables `irm` as a possible IRM for market creation.
    /// @dev Warning: It is not possible to disable an IRM.
    function enableIrm(address irm) external;

    /// @notice Enables `lltv` as a possible LLTV for market creation.
    /// @dev Warning: It is not possible to disable a LLTV.
    function enableLltv(uint256 lltv) external;

    /// @notice Sets the `newFee` for the given market `marketParams`.
    /// @param newFee The new fee, scaled by WAD.
    /// @dev Warning: The recipient can be the zero address.
    function setFee(MarketParams memory marketParams, uint256 newFee) external;

    /// @notice Sets `newFeeRecipient` as `feeRecipient` of the fee.
    /// @dev Warning: If the fee recipient is set to the zero address, fees will accrue there and will be lost.
    /// @dev Modifying the fee recipient will allow the new recipient to claim any pending fees not yet accrued. To
    /// ensure that the current recipient receives all due fees, accrue interest manually prior to making any changes.
    function setFeeRecipient(address newFeeRecipient) external;

    /// @notice Creates the market `marketParams`.
    /// @dev Here is the list of assumptions on the market's dependencies (tokens, IRM and oracle) that guarantees
    /// Morpho behaves as expected:
    /// - The token should be ERC-20 compliant, except that it can omit return values on `transfer` and `transferFrom`.
    /// - The token balance of Morpho should only decrease on `transfer` and `transferFrom`. In particular, tokens with
    /// burn functions are not supported.
    /// - The token should not re-enter Morpho on `transfer` nor `transferFrom`.
    /// - The token balance of the sender (resp. receiver) should decrease (resp. increase) by exactly the given amount
    /// on `transfer` and `transferFrom`. In particular, tokens with fees on transfer are not supported.
    /// - The IRM should not re-enter Morpho.
    /// - The oracle should return a price with the correct scaling.
    /// @dev Here is a list of properties on the market's dependencies that could break Morpho's liveness properties
    /// (funds could get stuck):
    /// - The token can revert on `transfer` and `transferFrom` for a reason other than an approval or balance issue.
    /// - A very high amount of assets (~1e35) supplied or borrowed can make the computation of `toSharesUp` and
    /// `toSharesDown` overflow.
    /// - The IRM can revert on `borrowRate`.
    /// - A very high borrow rate returned by the IRM can make the computation of `interest` in `_accrueInterest`
    /// overflow.
    /// - The oracle can revert on `price`. Note that this can be used to prevent `borrow`, `withdrawCollateral` and
    /// `liquidate` from being used under certain market conditions.
    /// - A very high price returned by the oracle can make the computation of `maxBorrow` in `_isHealthy` overflow, or
    /// the computation of `assetsRepaid` in `liquidate` overflow.
    /// @dev The borrow share price of a market with less than 1e4 assets borrowed can be decreased by manipulations, to
    /// the point where `totalBorrowShares` is very large and borrowing overflows.
    function createMarket(MarketParams memory marketParams) external;

    /// @notice Supplies `assets` or `shares` on behalf of `onBehalf`, optionally calling back the caller's
    /// `onMorphoSupply` function with the given `data`.
    /// @dev Either `assets` or `shares` should be zero. Most use cases should rely on `assets` as an input so the
    /// caller is guaranteed to have `assets` tokens pulled from their balance, but the possibility to mint a specific
    /// amount of shares is given for full compatibility and precision.
    /// @dev Supplying a large amount can revert for overflow.
    /// @dev Supplying an amount of shares may lead to supply more or fewer assets than expected due to slippage.
    /// Consider using the `assets` parameter to avoid this.
    /// @param marketParams The market to supply assets to.
    /// @param assets The amount of assets to supply.
    /// @param shares The amount of shares to mint.
    /// @param onBehalf The address that will own the increased supply position.
    /// @param data Arbitrary data to pass to the `onMorphoSupply` callback. Pass empty data if not needed.
    /// @return assetsSupplied The amount of assets supplied.
    /// @return sharesSupplied The amount of shares minted.
    function supply(
        MarketParams memory marketParams,
        uint256 assets,
        uint256 shares,
        address onBehalf,
        bytes memory data
    ) external returns (uint256 assetsSupplied, uint256 sharesSupplied);

    /// @notice Withdraws `assets` or `shares` on behalf of `onBehalf` and sends the assets to `receiver`.
    /// @dev Either `assets` or `shares` should be zero. To withdraw max, pass the `shares`'s balance of `onBehalf`.
    /// @dev `msg.sender` must be authorized to manage `onBehalf`'s positions.
    /// @dev Withdrawing an amount corresponding to more shares than supplied will revert for underflow.
    /// @dev It is advised to use the `shares` input when withdrawing the full position to avoid reverts due to
    /// conversion roundings between shares and assets.
    /// @param marketParams The market to withdraw assets from.
    /// @param assets The amount of assets to withdraw.
    /// @param shares The amount of shares to burn.
    /// @param onBehalf The address of the owner of the supply position.
    /// @param receiver The address that will receive the withdrawn assets.
    /// @return assetsWithdrawn The amount of assets withdrawn.
    /// @return sharesWithdrawn The amount of shares burned.
    function withdraw(
        MarketParams memory marketParams,
        uint256 assets,
        uint256 shares,
        address onBehalf,
        address receiver
    ) external returns (uint256 assetsWithdrawn, uint256 sharesWithdrawn);

    /// @notice Borrows `assets` or `shares` on behalf of `onBehalf` and sends the assets to `receiver`.
    /// @dev Either `assets` or `shares` should be zero. Most use cases should rely on `assets` as an input so the
    /// caller is guaranteed to borrow `assets` of tokens, but the possibility to mint a specific amount of shares is
    /// given for full compatibility and precision.
    /// @dev `msg.sender` must be authorized to manage `onBehalf`'s positions.
    /// @dev Borrowing a large amount can revert for overflow.
    /// @dev Borrowing an amount of shares may lead to borrow fewer assets than expected due to slippage.
    /// Consider using the `assets` parameter to avoid this.
    /// @param marketParams The market to borrow assets from.
    /// @param assets The amount of assets to borrow.
    /// @param shares The amount of shares to mint.
    /// @param onBehalf The address that will own the increased borrow position.
    /// @param receiver The address that will receive the borrowed assets.
    /// @return assetsBorrowed The amount of assets borrowed.
    /// @return sharesBorrowed The amount of shares minted.
    function borrow(
        MarketParams memory marketParams,
        uint256 assets,
        uint256 shares,
        address onBehalf,
        address receiver
    ) external returns (uint256 assetsBorrowed, uint256 sharesBorrowed);

    /// @notice Repays `assets` or `shares` on behalf of `onBehalf`, optionally calling back the caller's
    /// `onMorphoReplay` function with the given `data`.
    /// @dev Either `assets` or `shares` should be zero. To repay max, pass the `shares`'s balance of `onBehalf`.
    /// @dev Repaying an amount corresponding to more shares than borrowed will revert for underflow.
    /// @dev It is advised to use the `shares` input when repaying the full position to avoid reverts due to conversion
    /// roundings between shares and assets.
    /// @dev An attacker can front-run a repay with a small repay making the transaction revert for underflow.
    /// @param marketParams The market to repay assets to.
    /// @param assets The amount of assets to repay.
    /// @param shares The amount of shares to burn.
    /// @param onBehalf The address of the owner of the debt position.
    /// @param data Arbitrary data to pass to the `onMorphoRepay` callback. Pass empty data if not needed.
    /// @return assetsRepaid The amount of assets repaid.
    /// @return sharesRepaid The amount of shares burned.
    function repay(
        MarketParams memory marketParams,
        uint256 assets,
        uint256 shares,
        address onBehalf,
        bytes memory data
    ) external returns (uint256 assetsRepaid, uint256 sharesRepaid);

    /// @notice Supplies `assets` of collateral on behalf of `onBehalf`, optionally calling back the caller's
    /// `onMorphoSupplyCollateral` function with the given `data`.
    /// @dev Interest are not accrued since it's not required and it saves gas.
    /// @dev Supplying a large amount can revert for overflow.
    /// @param marketParams The market to supply collateral to.
    /// @param assets The amount of collateral to supply.
    /// @param onBehalf The address that will own the increased collateral position.
    /// @param data Arbitrary data to pass to the `onMorphoSupplyCollateral` callback. Pass empty data if not needed.
    function supplyCollateral(MarketParams memory marketParams, uint256 assets, address onBehalf, bytes memory data)
        external;

    /// @notice Withdraws `assets` of collateral on behalf of `onBehalf` and sends the assets to `receiver`.
    /// @dev `msg.sender` must be authorized to manage `onBehalf`'s positions.
    /// @dev Withdrawing an amount corresponding to more collateral than supplied will revert for underflow.
    /// @param marketParams The market to withdraw collateral from.
    /// @param assets The amount of collateral to withdraw.
    /// @param onBehalf The address of the owner of the collateral position.
    /// @param receiver The address that will receive the collateral assets.
    function withdrawCollateral(MarketParams memory marketParams, uint256 assets, address onBehalf, address receiver)
        external;

    /// @notice Liquidates the given `repaidShares` of debt asset or seize the given `seizedAssets` of collateral on the
    /// given market `marketParams` of the given `borrower`'s position, optionally calling back the caller's
    /// `onMorphoLiquidate` function with the given `data`.
    /// @dev Either `seizedAssets` or `repaidShares` should be zero.
    /// @dev Seizing more than the collateral balance will underflow and revert without any error message.
    /// @dev Repaying more than the borrow balance will underflow and revert without any error message.
    /// @dev An attacker can front-run a liquidation with a small repay making the transaction revert for underflow.
    /// @param marketParams The market of the position.
    /// @param borrower The owner of the position.
    /// @param seizedAssets The amount of collateral to seize.
    /// @param repaidShares The amount of shares to repay.
    /// @param data Arbitrary data to pass to the `onMorphoLiquidate` callback. Pass empty data if not needed.
    /// @return The amount of assets seized.
    /// @return The amount of assets repaid.
    function liquidate(
        MarketParams memory marketParams,
        address borrower,
        uint256 seizedAssets,
        uint256 repaidShares,
        bytes memory data
    ) external returns (uint256, uint256);

    /// @notice Executes a flash loan.
    /// @dev Flash loans have access to the whole balance of the contract (the liquidity and deposited collateral of all
    /// markets combined, plus donations).
    /// @dev Warning: Not ERC-3156 compliant but compatibility is easily reached:
    /// - `flashFee` is zero.
    /// - `maxFlashLoan` is the token's balance of this contract.
    /// - The receiver of `assets` is the caller.
    /// @param token The token to flash loan.
    /// @param assets The amount of assets to flash loan.
    /// @param data Arbitrary data to pass to the `onMorphoFlashLoan` callback.
    function flashLoan(address token, uint256 assets, bytes calldata data) external;

    /// @notice Sets the authorization for `authorized` to manage `msg.sender`'s positions.
    /// @param authorized The authorized address.
    /// @param newIsAuthorized The new authorization status.
    function setAuthorization(address authorized, bool newIsAuthorized) external;

    /// @notice Sets the authorization for `authorization.authorized` to manage `authorization.authorizer`'s positions.
    /// @dev Warning: Reverts if the signature has already been submitted.
    /// @dev The signature is malleable, but it has no impact on the security here.
    /// @dev The nonce is passed as argument to be able to revert with a different error message.
    /// @param authorization The `Authorization` struct.
    /// @param signature The signature.
    function setAuthorizationWithSig(Authorization calldata authorization, Signature calldata signature) external;

    /// @notice Accrues interest for the given market `marketParams`.
    function accrueInterest(MarketParams memory marketParams) external;

    /// @notice Returns the data stored on the different `slots`.
    function extSloads(bytes32[] memory slots) external view returns (bytes32[] memory);
}

/// @dev This interface is inherited by Morpho so that function signatures are checked by the compiler.
/// @dev Consider using the IMorpho interface instead of this one.
interface IMorphoStaticTyping is IMorphoBase {
    /// @notice The state of the position of `user` on the market corresponding to `id`.
    /// @dev Warning: For `feeRecipient`, `supplyShares` does not contain the accrued shares since the last interest
    /// accrual.
    function position(Id id, address user)
        external
        view
        returns (uint256 supplyShares, uint128 borrowShares, uint128 collateral);

    /// @notice The state of the market corresponding to `id`.
    /// @dev Warning: `totalSupplyAssets` does not contain the accrued interest since the last interest accrual.
    /// @dev Warning: `totalBorrowAssets` does not contain the accrued interest since the last interest accrual.
    /// @dev Warning: `totalSupplyShares` does not contain the accrued shares by `feeRecipient` since the last interest
    /// accrual.
    function market(Id id)
        external
        view
        returns (
            uint128 totalSupplyAssets,
            uint128 totalSupplyShares,
            uint128 totalBorrowAssets,
            uint128 totalBorrowShares,
            uint128 lastUpdate,
            uint128 fee
        );

    /// @notice The market params corresponding to `id`.
    /// @dev This mapping is not used in Morpho. It is there to enable reducing the cost associated to calldata on layer
    /// 2s by creating a wrapper contract with functions that take `id` as input instead of `marketParams`.
    function idToMarketParams(Id id)
        external
        view
        returns (address loanToken, address collateralToken, address oracle, address irm, uint256 lltv);
}

/// @title IMorpho
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @dev Use this interface for Morpho to have access to all the functions with the appropriate function signatures.
interface IMorpho is IMorphoBase {
    /// @notice The state of the position of `user` on the market corresponding to `id`.
    /// @dev Warning: For `feeRecipient`, `p.supplyShares` does not contain the accrued shares since the last interest
    /// accrual.
    function position(Id id, address user) external view returns (Position memory p);

    /// @notice The state of the market corresponding to `id`.
    /// @dev Warning: `m.totalSupplyAssets` does not contain the accrued interest since the last interest accrual.
    /// @dev Warning: `m.totalBorrowAssets` does not contain the accrued interest since the last interest accrual.
    /// @dev Warning: `m.totalSupplyShares` does not contain the accrued shares by `feeRecipient` since the last
    /// interest accrual.
    function market(Id id) external view returns (Market memory m);

    /// @notice The market params corresponding to `id`.
    /// @dev This mapping is not used in Morpho. It is there to enable reducing the cost associated to calldata on layer
    /// 2s by creating a wrapper contract with functions that take `id` as input instead of `marketParams`.
    function idToMarketParams(Id id) external view returns (MarketParams memory);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;

import {
    IMorphoRepayCallback,
    IMorphoSupplyCallback,
    IMorphoSupplyCollateralCallback,
    IMorphoFlashLoanCallback
} from "../../lib/morpho-blue/src/interfaces/IMorphoCallbacks.sol";

/// @title IMorphoBundler
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Interface of MorphoBundler.
interface IMorphoBundler is
    IMorphoSupplyCallback,
    IMorphoRepayCallback,
    IMorphoSupplyCollateralCallback,
    IMorphoFlashLoanCallback
{}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;

/// @title IMorphoLiquidateCallback
/// @notice Interface that liquidators willing to use `liquidate`'s callback must implement.
interface IMorphoLiquidateCallback {
    /// @notice Callback called when a liquidation occurs.
    /// @dev The callback is called only if data is not empty.
    /// @param repaidAssets The amount of repaid assets.
    /// @param data Arbitrary data passed to the `liquidate` function.
    function onMorphoLiquidate(uint256 repaidAssets, bytes calldata data) external;
}

/// @title IMorphoRepayCallback
/// @notice Interface that users willing to use `repay`'s callback must implement.
interface IMorphoRepayCallback {
    /// @notice Callback called when a repayment occurs.
    /// @dev The callback is called only if data is not empty.
    /// @param assets The amount of repaid assets.
    /// @param data Arbitrary data passed to the `repay` function.
    function onMorphoRepay(uint256 assets, bytes calldata data) external;
}

/// @title IMorphoSupplyCallback
/// @notice Interface that users willing to use `supply`'s callback must implement.
interface IMorphoSupplyCallback {
    /// @notice Callback called when a supply occurs.
    /// @dev The callback is called only if data is not empty.
    /// @param assets The amount of supplied assets.
    /// @param data Arbitrary data passed to the `supply` function.
    function onMorphoSupply(uint256 assets, bytes calldata data) external;
}

/// @title IMorphoSupplyCollateralCallback
/// @notice Interface that users willing to use `supplyCollateral`'s callback must implement.
interface IMorphoSupplyCollateralCallback {
    /// @notice Callback called when a supply of collateral occurs.
    /// @dev The callback is called only if data is not empty.
    /// @param assets The amount of supplied collateral.
    /// @param data Arbitrary data passed to the `supplyCollateral` function.
    function onMorphoSupplyCollateral(uint256 assets, bytes calldata data) external;
}

/// @title IMorphoFlashLoanCallback
/// @notice Interface that users willing to use `flashLoan`'s callback must implement.
interface IMorphoFlashLoanCallback {
    /// @notice Callback called when a flash loan occurs.
    /// @dev The callback is called only if data is not empty.
    /// @param assets The amount of assets that was flash loaned.
    /// @param data Arbitrary data passed to the `flashLoan` function.
    function onMorphoFlashLoan(uint256 assets, bytes calldata data) external;
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;

/// @title IMulticall
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Interface of Multicall.
interface IMulticall {
    /// @notice Executes an ordered batch of delegatecalls to this contract.
    /// @param data The ordered array of calldata to execute.
    function multicall(bytes[] calldata data) external payable;
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;

import {
    IMetaMorpho,
    IMorpho,
    MarketAllocation,
    Id,
    MarketParams
} from "../../lib/metamorpho/src/interfaces/IMetaMorpho.sol";

/// @dev Max settable flow cap, such that caps can always be stored on 128 bits.
/// @dev The actual max possible flow cap is type(uint128).max-1.
/// @dev Equals to 170141183460469231731687303715884105727;
uint128 constant MAX_SETTABLE_FLOW_CAP = type(uint128).max / 2;

struct FlowCaps {
    /// @notice The maximum allowed inflow in a market.
    uint128 maxIn;
    /// @notice The maximum allowed outflow in a market.
    uint128 maxOut;
}

struct FlowCapsConfig {
    /// @notice Market for which to change flow caps.
    Id id;
    /// @notice New flow caps for this market.
    FlowCaps caps;
}

struct Withdrawal {
    /// @notice The market from which to withdraw.
    MarketParams marketParams;
    /// @notice The amount to withdraw.
    uint128 amount;
}

/// @dev This interface is used for factorizing IPublicAllocatorStaticTyping and IPublicAllocator.
/// @dev Consider using the IPublicAllocator interface instead of this one.
interface IPublicAllocatorBase {
    /// @notice The Morpho contract.
    function MORPHO() external view returns (IMorpho);

    /// @notice The admin for a given vault.
    function admin(address vault) external view returns (address);

    /// @notice The current ETH fee for a given vault.
    function fee(address vault) external view returns (uint256);

    /// @notice The accrued ETH fee for a given vault.
    function accruedFee(address vault) external view returns (uint256);

    /// @notice Reallocates from a list of markets to one market.
    /// @param vault The MetaMorpho vault to reallocate.
    /// @param withdrawals The markets to withdraw from,and the amounts to withdraw.
    /// @param supplyMarketParams The market receiving total withdrawn to.
    /// @dev Will call MetaMorpho's `reallocate`.
    /// @dev Checks that the flow caps are respected.
    /// @dev Will revert when `withdrawals` contains a duplicate or is not sorted.
    /// @dev Will revert if `withdrawals` contains the supply market.
    /// @dev Will revert if a withdrawal amount is larger than available liquidity.
    function reallocateTo(address vault, Withdrawal[] calldata withdrawals, MarketParams calldata supplyMarketParams)
        external
        payable;

    /// @notice Sets the admin for a given vault.
    function setAdmin(address vault, address newAdmin) external;

    /// @notice Sets the fee for a given vault.
    function setFee(address vault, uint256 newFee) external;

    /// @notice Transfers the current balance to `feeRecipient` for a given vault.
    function transferFee(address vault, address payable feeRecipient) external;

    /// @notice Sets the maximum inflow and outflow through public allocation for some markets for a given vault.
    /// @dev Max allowed inflow/outflow is MAX_SETTABLE_FLOW_CAP.
    /// @dev Doesn't revert if it doesn't change the storage at all.
    function setFlowCaps(address vault, FlowCapsConfig[] calldata config) external;
}

/// @dev This interface is inherited by PublicAllocator so that function signatures are checked by the compiler.
/// @dev Consider using the IPublicAllocator interface instead of this one.
interface IPublicAllocatorStaticTyping is IPublicAllocatorBase {
    /// @notice Returns (maximum inflow, maximum outflow) through public allocation of a given market for a given vault.
    function flowCaps(address vault, Id) external view returns (uint128, uint128);
}

/// @title IPublicAllocator
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @dev Use this interface for PublicAllocator to have access to all the functions with the appropriate function
/// signatures.
interface IPublicAllocator is IPublicAllocatorBase {
    /// @notice Returns the maximum inflow and maximum outflow through public allocation of a given market for a given
    /// vault.
    function flowCaps(address vault, Id) external view returns (FlowCaps memory);
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.0;

/// @title Math Library.
/// @author Morpho Labs.
/// @custom:contact security@morpho.xyz
/// @dev Library to perform simple math manipulations.
library Math {
    /* CONSTANTS */
    // Only direct number constants and references to such constants are supported by inline assembly.

    int256 internal constant MIN_INT256 = -2 ** 255;

    /* INTERNAL */

    function abs(int256 x) internal pure returns (int256 y) {
        assembly {
            let mask := sar(255, x)
            y := xor(add(x, mask), mul(mask, iszero(eq(x, MIN_INT256))))
        }
    }

    function safeAbs(int256 x) internal pure returns (int256 y) {
        require(x != type(int256).min);

        assembly {
            let mask := sar(255, x)
            y := xor(add(x, mask), mask)
        }
    }

    function min(uint256 x, uint256 y) internal pure returns (uint256 z) {
        assembly {
            z := xor(x, mul(xor(x, y), lt(y, x)))
        }
    }

    function max(uint256 x, uint256 y) internal pure returns (uint256 z) {
        assembly {
            z := xor(x, mul(xor(x, y), gt(y, x)))
        }
    }

    /// @dev Returns max(x - y, 0).
    function zeroFloorSub(uint256 x, uint256 y) internal pure returns (uint256 z) {
        assembly {
            z := mul(gt(x, y), sub(x, y))
        }
    }

    /// @dev Returns x / y rounded up (x / y + boolAsInt(x % y > 0)).
    function divUp(uint256 x, uint256 y) internal pure returns (uint256 z) {
        // Division by 0 if
        //    y = 0
        assembly {
            if iszero(y) { revert(0, 0) }

            z := add(gt(mod(x, y), 0), div(x, y))
        }
    }

    /// @dev Returns the floor of log2(x) and returns 0 when x = 0.
    /// @dev Uses a method by dichotomy to find the highest bit set of x.
    function log2(uint256 x) internal pure returns (uint256 y) {
        assembly {
            // Finds if x has a 1 on the first 128 bits. If not then do nothing.
            // If that is the case then the result is more than 128.
            let z := shl(7, gt(x, 0xffffffffffffffffffffffffffffffff))
            y := z
            x := shr(z, x)

            // Using y as an accumulator, we can now focus on the last 128 bits of x.
            // Repeat this process to divide the number of bits to handle by 2 every time.
            z := shl(6, gt(x, 0xffffffffffffffff))
            y := add(y, z)
            x := shr(z, x)

            z := shl(5, gt(x, 0xffffffff))
            y := add(y, z)
            x := shr(z, x)

            z := shl(4, gt(x, 0xffff))
            y := add(y, z)
            x := shr(z, x)

            z := shl(3, gt(x, 0xff))
            y := add(y, z)
            x := shr(z, x)

            z := shl(2, gt(x, 0xf))
            y := add(y, z)
            x := shr(z, x)

            z := shl(1, gt(x, 3))
            y := add(add(y, z), gt(shr(z, x), 1))
        }
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.24;

import {SafeTransferLib, ERC20} from "../../lib/solmate/src/utils/SafeTransferLib.sol";

import {BaseBundler} from "../BaseBundler.sol";
import {TransferBundler} from "../TransferBundler.sol";
import {PermitBundler} from "../PermitBundler.sol";
import {Permit2Bundler} from "../Permit2Bundler.sol";
import {ERC4626Bundler} from "../ERC4626Bundler.sol";
import {MorphoBundler} from "../MorphoBundler.sol";

/// @title MigrationBundler
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Abstract contract allowing to migrate a position from one lending protocol to Morpho Blue easily.
abstract contract MigrationBundler is TransferBundler, PermitBundler, Permit2Bundler, ERC4626Bundler, MorphoBundler {
    using SafeTransferLib for ERC20;

    /* CONSTRUCTOR */

    constructor(address morpho) MorphoBundler(morpho) {}

    /* INTERNAL */

    /// @inheritdoc MorphoBundler
    function _isSenderAuthorized() internal view virtual override(BaseBundler, MorphoBundler) returns (bool) {
        return MorphoBundler._isSenderAuthorized();
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.24;

import {IMorphoBundler} from "./interfaces/IMorphoBundler.sol";
import {IPublicAllocator, Withdrawal} from "./interfaces/IPublicAllocator.sol";
import {MarketParams, Signature, Authorization, IMorpho} from "../lib/morpho-blue/src/interfaces/IMorpho.sol";

import {ErrorsLib} from "./libraries/ErrorsLib.sol";
import {SafeTransferLib, ERC20} from "../lib/solmate/src/utils/SafeTransferLib.sol";

import {BaseBundler} from "./BaseBundler.sol";

/// @title MorphoBundler
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Bundler contract managing interactions with Morpho.
abstract contract MorphoBundler is BaseBundler, IMorphoBundler {
    using SafeTransferLib for ERC20;

    /* IMMUTABLES */

    /// @notice The Morpho contract address.
    IMorpho public immutable MORPHO;

    /* CONSTRUCTOR */

    constructor(address morpho) {
        require(morpho != address(0), ErrorsLib.ZERO_ADDRESS);

        MORPHO = IMorpho(morpho);
    }

    /* CALLBACKS */

    function onMorphoSupply(uint256, bytes calldata data) external {
        // Don't need to approve Morpho to pull tokens because it should already be approved max.
        _callback(data);
    }

    function onMorphoSupplyCollateral(uint256, bytes calldata data) external {
        // Don't need to approve Morpho to pull tokens because it should already be approved max.
        _callback(data);
    }

    function onMorphoRepay(uint256, bytes calldata data) external {
        // Don't need to approve Morpho to pull tokens because it should already be approved max.
        _callback(data);
    }

    function onMorphoFlashLoan(uint256, bytes calldata data) external {
        // Don't need to approve Morpho to pull tokens because it should already be approved max.
        _callback(data);
    }

    /* ACTIONS */

    /// @notice Approves `authorization.authorized` to manage `authorization.authorizer`'s position via EIP712
    /// `signature`.
    /// @param authorization The `Authorization` struct.
    /// @param signature The signature.
    /// @param skipRevert Whether to avoid reverting the call in case the signature is frontrunned.
    function morphoSetAuthorizationWithSig(
        Authorization calldata authorization,
        Signature calldata signature,
        bool skipRevert
    ) external payable protected {
        try MORPHO.setAuthorizationWithSig(authorization, signature) {}
        catch (bytes memory returnData) {
            if (!skipRevert) _revert(returnData);
        }
    }

    /// @notice Supplies `assets` of the loan asset on behalf of `onBehalf`.
    /// @notice The supplied assets cannot be used as collateral but is eligible to earn interest.
    /// @dev Either `assets` or `shares` should be zero. Most usecases should rely on `assets` as an input so the
    /// bundler is guaranteed to have `assets` tokens pulled from its balance, but the possibility to mint a specific
    /// amount of shares is given for full compatibility and precision.
    /// @dev Initiator must have previously transferred their assets to the bundler.
    /// @param marketParams The Morpho market to supply assets to.
    /// @param assets The amount of assets to supply. Pass `type(uint256).max` to supply the bundler's loan asset
    /// balance.
    /// @param shares The amount of shares to mint.
    /// @param slippageAmount The minimum amount of supply shares to mint in exchange for `assets` when it is used.
    /// The maximum amount of assets to deposit in exchange for `shares` otherwise.
    /// @param onBehalf The address that will own the increased supply position.
    /// @param data Arbitrary data to pass to the `onMorphoSupply` callback. Pass empty data if not needed.
    function morphoSupply(
        MarketParams calldata marketParams,
        uint256 assets,
        uint256 shares,
        uint256 slippageAmount,
        address onBehalf,
        bytes calldata data
    ) external payable protected {
        // Do not check `onBehalf` against the zero address as it's done at Morpho's level.
        require(onBehalf != address(this), ErrorsLib.BUNDLER_ADDRESS);

        // Don't always cap the assets to the bundler's balance because the liquidity can be transferred later
        // (via the `onMorphoSupply` callback).
        if (assets == type(uint256).max) assets = ERC20(marketParams.loanToken).balanceOf(address(this));

        _approveMaxTo(marketParams.loanToken, address(MORPHO));

        (uint256 suppliedAssets, uint256 suppliedShares) = MORPHO.supply(marketParams, assets, shares, onBehalf, data);

        if (assets > 0) require(suppliedShares >= slippageAmount, ErrorsLib.SLIPPAGE_EXCEEDED);
        else require(suppliedAssets <= slippageAmount, ErrorsLib.SLIPPAGE_EXCEEDED);
    }

    /// @notice Supplies `assets` of collateral on behalf of `onBehalf`.
    /// @dev Initiator must have previously transferred their assets to the bundler.
    /// @param marketParams The Morpho market to supply collateral to.
    /// @param assets The amount of collateral to supply. Pass `type(uint256).max` to supply the bundler's loan asset
    /// balance.
    /// @param onBehalf The address that will own the increased collateral position.
    /// @param data Arbitrary data to pass to the `onMorphoSupplyCollateral` callback. Pass empty data if not needed.
    function morphoSupplyCollateral(
        MarketParams calldata marketParams,
        uint256 assets,
        address onBehalf,
        bytes calldata data
    ) external payable protected {
        // Do not check `onBehalf` against the zero address as it's done at Morpho's level.
        require(onBehalf != address(this), ErrorsLib.BUNDLER_ADDRESS);

        // Don't always cap the assets to the bundler's balance because the liquidity can be transferred later
        // (via the `onMorphoSupplyCollateral` callback).
        if (assets == type(uint256).max) assets = ERC20(marketParams.collateralToken).balanceOf(address(this));

        _approveMaxTo(marketParams.collateralToken, address(MORPHO));

        MORPHO.supplyCollateral(marketParams, assets, onBehalf, data);
    }

    /// @notice Borrows `assets` of the loan asset on behalf of the initiator.
    /// @dev Either `assets` or `shares` should be zero. Most usecases should rely on `assets` as an input so the
    /// initiator is guaranteed to borrow `assets` tokens, but the possibility to mint a specific amount of shares is
    /// given for full compatibility and precision.
    /// @dev Initiator must have previously authorized the bundler to act on their behalf on Morpho.
    /// @param marketParams The Morpho market to borrow assets from.
    /// @param assets The amount of assets to borrow.
    /// @param shares The amount of shares to mint.
    /// @param slippageAmount The maximum amount of borrow shares to mint in exchange for `assets` when it is used.
    /// The minimum amount of assets to borrow in exchange for `shares` otherwise.
    /// @param receiver The address that will receive the borrowed assets.
    function morphoBorrow(
        MarketParams calldata marketParams,
        uint256 assets,
        uint256 shares,
        uint256 slippageAmount,
        address receiver
    ) external payable protected {
        (uint256 borrowedAssets, uint256 borrowedShares) =
            MORPHO.borrow(marketParams, assets, shares, initiator(), receiver);

        if (assets > 0) require(borrowedShares <= slippageAmount, ErrorsLib.SLIPPAGE_EXCEEDED);
        else require(borrowedAssets >= slippageAmount, ErrorsLib.SLIPPAGE_EXCEEDED);
    }

    /// @notice Repays `assets` of the loan asset on behalf of `onBehalf`.
    /// @dev Either `assets` or `shares` should be zero. Most usecases should rely on `assets` as an input so the
    /// bundler is guaranteed to have `assets` tokens pulled from its balance, but the possibility to burn a specific
    /// amount of shares is given for full compatibility and precision.
    /// @param marketParams The Morpho market to repay assets to.
    /// @param assets The amount of assets to repay. Pass `type(uint256).max` to repay the bundler's loan asset balance.
    /// @param shares The amount of shares to burn.
    /// @param slippageAmount The minimum amount of borrow shares to burn in exchange for `assets` when it is used.
    /// The maximum amount of assets to deposit in exchange for `shares` otherwise.
    /// @param onBehalf The address of the owner of the debt position.
    /// @param data Arbitrary data to pass to the `onMorphoRepay` callback. Pass empty data if not needed.
    function morphoRepay(
        MarketParams calldata marketParams,
        uint256 assets,
        uint256 shares,
        uint256 slippageAmount,
        address onBehalf,
        bytes calldata data
    ) external payable protected {
        // Do not check `onBehalf` against the zero address as it's done at Morpho's level.
        require(onBehalf != address(this), ErrorsLib.BUNDLER_ADDRESS);

        // Don't always cap the assets to the bundler's balance because the liquidity can be transferred later
        // (via the `onMorphoRepay` callback).
        if (assets == type(uint256).max) assets = ERC20(marketParams.loanToken).balanceOf(address(this));

        _approveMaxTo(marketParams.loanToken, address(MORPHO));

        (uint256 repaidAssets, uint256 repaidShares) = MORPHO.repay(marketParams, assets, shares, onBehalf, data);

        if (assets > 0) require(repaidShares >= slippageAmount, ErrorsLib.SLIPPAGE_EXCEEDED);
        else require(repaidAssets <= slippageAmount, ErrorsLib.SLIPPAGE_EXCEEDED);
    }

    /// @notice Withdraws `assets` of the loan asset on behalf of the initiator.
    /// @dev Either `assets` or `shares` should be zero. Most usecases should rely on `assets` as an input so the
    /// initiator is guaranteed to withdraw `assets` tokens, but the possibility to burn a specific amount of shares is
    /// given for full compatibility and precision.
    /// @dev Initiator must have previously authorized the bundler to act on their behalf on Morpho.
    /// @param marketParams The Morpho market to withdraw assets from.
    /// @param assets The amount of assets to withdraw.
    /// @param shares The amount of shares to burn.
    /// @param slippageAmount The maximum amount of supply shares to burn in exchange for `assets` when it is used.
    /// The minimum amount of assets to withdraw in exchange for `shares` otherwise.
    /// @param receiver The address that will receive the withdrawn assets.
    function morphoWithdraw(
        MarketParams calldata marketParams,
        uint256 assets,
        uint256 shares,
        uint256 slippageAmount,
        address receiver
    ) external payable protected {
        (uint256 withdrawnAssets, uint256 withdrawnShares) =
            MORPHO.withdraw(marketParams, assets, shares, initiator(), receiver);

        if (assets > 0) require(withdrawnShares <= slippageAmount, ErrorsLib.SLIPPAGE_EXCEEDED);
        else require(withdrawnAssets >= slippageAmount, ErrorsLib.SLIPPAGE_EXCEEDED);
    }

    /// @notice Withdraws `assets` of the collateral asset on behalf of the initiator.
    /// @dev Initiator must have previously authorized the bundler to act on their behalf on Morpho.
    /// @param marketParams The Morpho market to withdraw collateral from.
    /// @param assets The amount of collateral to withdraw.
    /// @param receiver The address that will receive the collateral assets.
    function morphoWithdrawCollateral(MarketParams calldata marketParams, uint256 assets, address receiver)
        external
        payable
        protected
    {
        MORPHO.withdrawCollateral(marketParams, assets, initiator(), receiver);
    }

    /// @notice Triggers a flash loan on Morpho.
    /// @param token The address of the token to flash loan.
    /// @param assets The amount of assets to flash loan.
    /// @param data Arbitrary data to pass to the `onMorphoFlashLoan` callback.
    function morphoFlashLoan(address token, uint256 assets, bytes calldata data) external payable protected {
        _approveMaxTo(token, address(MORPHO));

        MORPHO.flashLoan(token, assets, data);
    }

    /// @notice Reallocates funds from markets of a vault to another market of that same vault.
    /// @param publicAllocator The address of the public allocator.
    /// @param vault The address of the vault.
    /// @param value The value in ETH to pay for the reallocate fee.
    /// @param withdrawals The list of markets and corresponding amounts to withdraw.
    /// @param supplyMarketParams The market receiving the funds.
    function reallocateTo(
        address publicAllocator,
        address vault,
        uint256 value,
        Withdrawal[] calldata withdrawals,
        MarketParams calldata supplyMarketParams
    ) external payable protected {
        IPublicAllocator(publicAllocator).reallocateTo{value: value}(vault, withdrawals, supplyMarketParams);
    }

    /* INTERNAL */

    /// @dev Triggers `_multicall` logic during a callback.
    function _callback(bytes calldata data) internal {
        require(msg.sender == address(MORPHO), ErrorsLib.UNAUTHORIZED_SENDER);

        _multicall(abi.decode(data, (bytes[])));
    }

    /// @inheritdoc BaseBundler
    function _isSenderAuthorized() internal view virtual override returns (bool) {
        return super._isSenderAuthorized() || msg.sender == address(MORPHO);
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

struct MarketConfig {
    /// @notice The maximum amount of assets that can be allocated to the market.
    uint184 cap;
    /// @notice Whether the market is in the withdraw queue.
    bool enabled;
    /// @notice The timestamp at which the market can be instantly removed from the withdraw queue.
    uint64 removableAt;
}

struct PendingUint192 {
    /// @notice The pending value to set.
    uint192 value;
    /// @notice The timestamp at which the pending value becomes valid.
    uint64 validAt;
}

struct PendingAddress {
    /// @notice The pending value to set.
    address value;
    /// @notice The timestamp at which the pending value becomes valid.
    uint64 validAt;
}

/// @title PendingLib
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Library to manage pending values and their validity timestamp.
library PendingLib {
    /// @dev Updates `pending`'s value to `newValue` and its corresponding `validAt` timestamp.
    /// @dev Assumes `timelock` <= `MAX_TIMELOCK`.
    function update(PendingUint192 storage pending, uint184 newValue, uint256 timelock) internal {
        pending.value = newValue;
        // Safe "unchecked" cast because timelock <= MAX_TIMELOCK.
        pending.validAt = uint64(block.timestamp + timelock);
    }

    /// @dev Updates `pending`'s value to `newValue` and its corresponding `validAt` timestamp.
    /// @dev Assumes `timelock` <= `MAX_TIMELOCK`.
    function update(PendingAddress storage pending, address newValue, uint256 timelock) internal {
        pending.value = newValue;
        // Safe "unchecked" cast because timelock <= MAX_TIMELOCK.
        pending.validAt = uint64(block.timestamp + timelock);
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.24;

import {IAllowanceTransfer} from "../lib/permit2/src/interfaces/IAllowanceTransfer.sol";

import {ErrorsLib} from "./libraries/ErrorsLib.sol";
import {Math} from "../lib/morpho-utils/src/math/Math.sol";
import {Permit2Lib} from "../lib/permit2/src/libraries/Permit2Lib.sol";
import {SafeCast160} from "../lib/permit2/src/libraries/SafeCast160.sol";
import {ERC20} from "../lib/solmate/src/tokens/ERC20.sol";

import {BaseBundler} from "./BaseBundler.sol";

/// @title Permit2Bundler
/// @author Morpho Labs
/// @custom:contact security@morpho.xyz
/// @notice Bundler contract managing interactions with Uniswap's Permit2.
abstract contract Permit2Bundler is BaseBundler {
    using SafeCast160 for uint256;

    /* ACTIONS */

    /// @notice Approves the given `amount` of `asset` from the initiator to be spent by `permitSingle.spender` via
    /// Permit2 with the given `deadline` & EIP-712 `signature`.
    /// @param permitSingle The `PermitSingle` struct.
    /// @param signature The signature, serialized.
    /// @param skipRevert Whether to avoid reverting the call in case the signature is frontrunned.
    function approve2(IAllowanceTransfer.PermitSingle calldata permitSingle, bytes calldata signature, bool skipRevert)
        external
        payable
        protected
    {
        try Permit2Lib.PERMIT2.permit(initiator(), permitSingle, signature) {}
        catch (bytes memory returnData) {
            if (!skipRevert) _revert(returnData);
        }
    }

    /// @notice Transfers the given `amount` of `asset` from the initiator to the bundler via Permit2.
    /// @param asset The address of the ERC20 token to transfer.
    /// @param amount The amount of `asset` to transfer from the initiator. Capped at the initiator's balance.
    function transferFrom2(address asset, uint256 amount) external payable protected {
        address _initiator = initiator();
        amount = Math.min(amount, ERC20(asset).balanceOf(_initiator));

        require(amount != 0, ErrorsLib.ZERO_AMOUNT);

        Permit2Lib.PERMIT2.transferFrom(_initiator, address(this), amount.toUint160(), asset);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import {ERC20} from "solmate/src/tokens/ERC20.sol";

import {IDAIPermit} from "../interfaces/IDAIPermit.sol";
import {IAllowanceTransfer} from "../interfaces/IAllowanceTransfer.sol";
import {SafeCast160} from "./SafeCast160.sol";

/// @title Permit2Lib
/// @notice Enables efficient transfers and EIP-2612/DAI
/// permits for any token by falling back to Permit2.
library Permit2Lib {
    using SafeCast160 for uint256;
    /*//////////////////////////////////////////////////////////////
                                CONSTANTS
    //////////////////////////////////////////////////////////////*/

    /// @dev The unique EIP-712 domain domain separator for the DAI token contract.
    bytes32 internal constant DAI_DOMAIN_SEPARATOR = 0xdbb8cf42e1ecb028be3f3dbc922e1d878b963f411dc388ced501601c60f7c6f7;

    /// @dev The address for the WETH9 contract on Ethereum mainnet, encoded as a bytes32.
    bytes32 internal constant WETH9_ADDRESS = 0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2;

    /// @dev The address of the Permit2 contract the library will use.
    IAllowanceTransfer internal constant PERMIT2 =
        IAllowanceTransfer(address(0x000000000022D473030F116dDEE9F6B43aC78BA3));

    /// @notice Transfer a given amount of tokens from one user to another.
    /// @param token The token to transfer.
    /// @param from The user to transfer from.
    /// @param to The user to transfer to.
    /// @param amount The amount to transfer.
    function transferFrom2(ERC20 token, address from, address to, uint256 amount) internal {
        // Generate calldata for a standard transferFrom call.
        bytes memory inputData = abi.encodeCall(ERC20.transferFrom, (from, to, amount));

        bool success; // Call the token contract as normal, capturing whether it succeeded.
        assembly {
            success :=
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(eq(mload(0), 1), iszero(returndatasize())),
                    // Counterintuitively, this call() must be positioned after the or() in the
                    // surrounding and() because and() evaluates its arguments from right to left.
                    // We use 0 and 32 to copy up to 32 bytes of return data into the first slot of scratch space.
                    call(gas(), token, 0, add(inputData, 32), mload(inputData), 0, 32)
                )
        }

        // We'll fall back to using Permit2 if calling transferFrom on the token directly reverted.
        if (!success) PERMIT2.transferFrom(from, to, amount.toUint160(), address(token));
    }

    /*//////////////////////////////////////////////////////////////
                              PERMIT LOGIC
    //////////////////////////////////////////////////////////////*/

    /// @notice Permit a user to spend a given amount of
    /// another user's tokens via native EIP-2612 permit if possible, falling
    /// back to Permit2 if native permit fails or is not implemented on the token.
    /// @param token The token to permit spending.
    /// @param owner The user to permit spending from.
    /// @param spender The user to permit spending to.
    /// @param amount The amount to permit spending.
    /// @param deadline  The timestamp after which the signature is no longer valid.
    /// @param v Must produce valid secp256k1 signature from the owner along with r and s.
    /// @param r Must produce valid secp256k1 signature from the owner along with v and s.
    /// @param s Must produce valid secp256k1 signature from the owner along with r and v.
    function permit2(
        ERC20 token,
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        // Generate calldata for a call to DOMAIN_SEPARATOR on the token.
        bytes memory inputData = abi.encodeWithSelector(ERC20.DOMAIN_SEPARATOR.selector);

        bool success; // Call the token contract as normal, capturing whether it succeeded.
        bytes32 domainSeparator; // If the call succeeded, we'll capture the return value here.

        assembly {
            // If the token is WETH9, we know it doesn't have a DOMAIN_SEPARATOR, and we'll skip this step.
            // We make sure to mask the token address as its higher order bits aren't guaranteed to be clean.
            if iszero(eq(and(token, 0xffffffffffffffffffffffffffffffffffffffff), WETH9_ADDRESS)) {
                success :=
                    and(
                        // Should resolve false if its not 32 bytes or its first word is 0.
                        and(iszero(iszero(mload(0))), eq(returndatasize(), 32)),
                        // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                        // Counterintuitively, this call must be positioned second to the and() call in the
                        // surrounding and() call or else returndatasize() will be zero during the computation.
                        // We send a maximum of 5000 gas to prevent tokens with fallbacks from using a ton of gas.
                        // which should be plenty to allow tokens to fetch their DOMAIN_SEPARATOR from storage, etc.
                        staticcall(5000, token, add(inputData, 32), mload(inputData), 0, 32)
                    )

                domainSeparator := mload(0) // Copy the return value into the domainSeparator variable.
            }
        }

        // If the call to DOMAIN_SEPARATOR succeeded, try using permit on the token.
        if (success) {
            // We'll use DAI's special permit if it's DOMAIN_SEPARATOR matches,
            // otherwise we'll just encode a call to the standard permit function.
            inputData = domainSeparator == DAI_DOMAIN_SEPARATOR
                ? abi.encodeCall(IDAIPermit.permit, (owner, spender, token.nonces(owner), deadline, true, v, r, s))
                : abi.encodeCall(ERC20.permit, (owner, spender, amount, deadline, v, r, s));

            assembly {
                success := call(gas(), token, 0, add(inputData, 32), mload(inputData), 0, 0)
            }
        }

        if (!success) {
            // If the initial DOMAIN_SEPARATOR call on the token failed or a
            // subsequent call to permit failed, fall back to using Permit2.
            simplePermit2(token, owner, spender, amount, deadline, v, r, s);
        }
    }

    /// @notice Simple unlimited permit on the Permit2 contract.
    /// @param token The token to permit spending.
    /// @param owner The user to permit spending from.
    /// @param spender The user to permit spending to.
    /// @param amount The amount to permit spending.
    /// @param deadline  The timestamp after which the signature is no longer valid.
    /// @param v Must produce valid secp256k1 signature from the owner along with r and s.
    /// @param r Must produce valid secp256k1 signature from the owner along with v and s.
    /// @param s Must produce valid secp256k1 signature from the owner along with r and v.
    function simplePermit2(
        ERC20 token,
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        (,, uint48 nonce) = PERMIT2.allowance(owner, address(token), spender);

        PERMIT2.permit(
            owner,
            IAllowanceTransfer.PermitSingle({
                details: IAllowanceTransfer.PermitDetails({
                    token: address(token),
                    amount: amount.toUint160(),
                    // Use an unlimited expiration because it most
                    // closely mimics how a standard approval works.
                    expiration: type(uint48).max,
                    nonce: nonce
                }),
                spender: spender,
                sigDeadline: deadline
            }),
            bytes.concat(r, s, bytes1(v))
        );
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.24;

import {IERC20Permit} from "../lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Permit.sol";

import {BaseBundler} from "./BaseBundler.sol";

/// @title PermitBundler
/// @author Morpho Labs
/// @custom:contact security@morpho.xyz
/// @notice Bundler contract managing interactions with tokens implementing EIP-2612.
abstract contract PermitBundler is BaseBundler {
    /// @notice Permits the given `amount` of `asset` from sender to be spent by the bundler via EIP-2612 Permit with
    /// the given `deadline` & EIP-712 signature's `v`, `r` & `s`.
    /// @param asset The address of the token to be permitted.
    /// @param amount The amount of `asset` to be permitted.
    /// @param deadline The deadline of the approval.
    /// @param v The `v` component of a signature.
    /// @param r The `r` component of a signature.
    /// @param s The `s` component of a signature.
    /// @param skipRevert Whether to avoid reverting the call in case the signature is frontrunned.
    function permit(address asset, uint256 amount, uint256 deadline, uint8 v, bytes32 r, bytes32 s, bool skipRevert)
        external
        payable
        protected
    {
        try IERC20Permit(asset).permit(initiator(), address(this), amount, deadline, v, r, s) {}
        catch (bytes memory returnData) {
            if (!skipRevert) _revert(returnData);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

library SafeCast160 {
    /// @notice Thrown when a valude greater than type(uint160).max is cast to uint160
    error UnsafeCast();

    /// @notice Safely casts uint256 to uint160
    /// @param value The uint256 to be cast
    function toUint160(uint256 value) internal pure returns (uint160) {
        if (value > type(uint160).max) revert UnsafeCast();
        return uint160(value);
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

import {ERC20} from "../tokens/ERC20.sol";

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.
/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.
library SafeTransferLib {
    /*//////////////////////////////////////////////////////////////
                             ETH OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferETH(address to, uint256 amount) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Transfer the ETH and store if it succeeded or not.
            success := call(gas(), to, amount, 0, 0, 0, 0)
        }

        require(success, "ETH_TRANSFER_FAILED");
    }

    /*//////////////////////////////////////////////////////////////
                            ERC20 OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferFrom(
        ERC20 token,
        address from,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "from" argument.
            mstore(add(freeMemoryPointer, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 68), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)
            )
        }

        require(success, "TRANSFER_FROM_FAILED");
    }

    function safeTransfer(
        ERC20 token,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "TRANSFER_FAILED");
    }

    function safeApprove(
        ERC20 token,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "APPROVE_FAILED");
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.24;

import {Math} from "../lib/morpho-utils/src/math/Math.sol";
import {ErrorsLib} from "./libraries/ErrorsLib.sol";
import {SafeTransferLib, ERC20} from "../lib/solmate/src/utils/SafeTransferLib.sol";

import {BaseBundler} from "./BaseBundler.sol";

/// @title TransferBundler
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Enables transfer of ERC20 and native tokens.
/// @dev Assumes that any tokens left on the contract can be seized by anyone.
abstract contract TransferBundler is BaseBundler {
    using SafeTransferLib for ERC20;

    /* TRANSFER ACTIONS */

    /// @notice Transfers the minimum between the given `amount` and the bundler's balance of native asset from the
    /// bundler to `recipient`.
    /// @dev If the minimum happens to be zero, the transfer is silently skipped.
    /// @param recipient The address that will receive the native tokens.
    /// @param amount The amount of native tokens to transfer. Capped at the bundler's balance.
    function nativeTransfer(address recipient, uint256 amount) external payable protected {
        require(recipient != address(0), ErrorsLib.ZERO_ADDRESS);
        require(recipient != address(this), ErrorsLib.BUNDLER_ADDRESS);

        amount = Math.min(amount, address(this).balance);

        if (amount == 0) return;

        SafeTransferLib.safeTransferETH(recipient, amount);
    }

    /// @notice Transfers the minimum between the given `amount` and the bundler's balance of `asset` from the bundler
    /// to `recipient`.
    /// @dev If the minimum happens to be zero, the transfer is silently skipped.
    /// @param asset The address of the ERC20 token to transfer.
    /// @param recipient The address that will receive the tokens.
    /// @param amount The amount of `asset` to transfer. Capped at the bundler's balance.
    function erc20Transfer(address asset, address recipient, uint256 amount) external payable protected {
        require(recipient != address(0), ErrorsLib.ZERO_ADDRESS);
        require(recipient != address(this), ErrorsLib.BUNDLER_ADDRESS);

        amount = Math.min(amount, ERC20(asset).balanceOf(address(this)));

        if (amount == 0) return;

        ERC20(asset).safeTransfer(recipient, amount);
    }

    /// @notice Transfers the given `amount` of `asset` from sender to this contract via ERC20 transferFrom.
    /// @notice User must have given sufficient allowance to the Bundler to spend their tokens.
    /// @param asset The address of the ERC20 token to transfer.
    /// @param amount The amount of `asset` to transfer from the initiator. Capped at the initiator's balance.
    function erc20TransferFrom(address asset, uint256 amount) external payable protected {
        address _initiator = initiator();
        amount = Math.min(amount, ERC20(asset).balanceOf(_initiator));

        require(amount != 0, ErrorsLib.ZERO_AMOUNT);

        ERC20(asset).safeTransferFrom(_initiator, address(this), amount);
    }
}

{
  "compilationTarget": {
    "src/migration/AaveV3MigrationBundlerV2.sol": "AaveV3MigrationBundlerV2"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "remappings": [
    ":@aave/core-v3/=lib/morpho-utils/lib/aave-v3-core/",
    ":@openzeppelin/contracts/=lib/metamorpho/lib/openzeppelin-contracts/contracts/",
    ":aave-v3-core/=lib/morpho-utils/lib/aave-v3-core/",
    ":ds-test/=lib/forge-std/lib/ds-test/src/",
    ":erc4626-tests/=lib/metamorpho/lib/erc4626-tests/",
    ":forge-gas-snapshot/=lib/permit2/lib/forge-gas-snapshot/src/",
    ":forge-std/=lib/forge-std/src/",
    ":metamorpho/=lib/metamorpho/",
    ":morpho-blue-irm/=lib/morpho-blue-irm/src/",
    ":morpho-blue/=lib/morpho-blue/",
    ":morpho-utils/=lib/morpho-utils/src/",
    ":murky/=lib/murky/",
    ":openzeppelin-contracts-upgradeable/=lib/morpho-utils/lib/openzeppelin-contracts-upgradeable/",
    ":openzeppelin-contracts/=lib/openzeppelin-contracts/",
    ":openzeppelin-upgradeable/=lib/morpho-utils/lib/openzeppelin-contracts-upgradeable/contracts/",
    ":openzeppelin/=lib/openzeppelin-contracts/contracts/",
    ":permit2/=lib/permit2/",
    ":public-allocator/=lib/public-allocator/src/",
    ":solmate/=lib/permit2/lib/solmate/",
    ":universal-rewards-distributor/=lib/universal-rewards-distributor/"
  ],
  "viaIR": true
}