Contract

0xA045D4dAeA28BA7Bfe234c96eAa03daFae85A147

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0x623d4A04...87C02fC0a at txn 0x358726bee57d5039ca9fa70525b9e4ec31644601120fe972151cfefd6d9545b5

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	Transaction Hash	Method	Block		From		To
There are no matching entries 1 Internal Transaction found.

Latest 1 internal transaction

Parent Transaction Hash	Block		From		To
0x358726bee57d5039ca9fa70525b9e4ec31644601120fe972151cfefd6d9545b5	307799	2024-12-11 19:09:00	37 days ago	1733944140	CreateX		Contract Creation	0 S$0.00

Contract Source Code Verified (Exact Match)

Contract Name:

CommonReportTrigger

Compiler Version

v0.8.18+commit.87f61d96

Optimization Enabled:

Yes with 200 runs

Other Settings:

default evmVersion

Contract Source Code (Solidity)

IDE

/**
 *Submitted for verification at SonicScan.org on 2024-12-11
*/

// SPDX-License-Identifier: AGPL-3.0
pragma solidity >=0.8.18 ^0.8.0;

// lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol

// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

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

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

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

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

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

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

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

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

// lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Permit.sol

// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)

/**
 * @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.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
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].
     *
     * CAUTION: See Security Considerations above.
     */
    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);
}

// lib/openzeppelin-contracts/contracts/utils/Context.sol

// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

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

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// lib/tokenized-strategy/src/interfaces/IBaseStrategy.sol

interface IBaseStrategy {
    function tokenizedStrategyAddress() external view returns (address);

    /*//////////////////////////////////////////////////////////////
                            IMMUTABLE FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    function availableDepositLimit(
        address _owner
    ) external view returns (uint256);

    function availableWithdrawLimit(
        address _owner
    ) external view returns (uint256);

    function deployFunds(uint256 _assets) external;

    function freeFunds(uint256 _amount) external;

    function harvestAndReport() external returns (uint256);

    function tendThis(uint256 _totalIdle) external;

    function shutdownWithdraw(uint256 _amount) external;

    function tendTrigger() external view returns (bool, bytes memory);
}

// src/utils/Governance.sol

contract Governance {
    /// @notice Emitted when the governance address is updated.
    event GovernanceTransferred(
        address indexed previousGovernance,
        address indexed newGovernance
    );

    modifier onlyGovernance() {
        _checkGovernance();
        _;
    }

    /// @notice Checks if the msg sender is the governance.
    function _checkGovernance() internal view virtual {
        require(governance == msg.sender, "!governance");
    }

    /// @notice Address that can set the default base fee and provider
    address public governance;

    constructor(address _governance) {
        governance = _governance;

        emit GovernanceTransferred(address(0), _governance);
    }

    /**
     * @notice Sets a new address as the governance of the contract.
     * @dev Throws if the caller is not current governance.
     * @param _newGovernance The new governance address.
     */
    function transferGovernance(
        address _newGovernance
    ) external virtual onlyGovernance {
        require(_newGovernance != address(0), "ZERO ADDRESS");
        address oldGovernance = governance;
        governance = _newGovernance;

        emit GovernanceTransferred(oldGovernance, _newGovernance);
    }
}

// lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Metadata.sol

// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.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);
}

// lib/openzeppelin-contracts/contracts/interfaces/IERC4626.sol

// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC4626.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);
}

// lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol

// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(address from, address to, uint256 amount) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _balances[account] += amount;
        }
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
            // Overflow not possible: amount <= accountBalance <= totalSupply.
            _totalSupply -= amount;
        }

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}

// lib/yearn-vaults-v3/contracts/interfaces/IVault.sol

interface IVault is IERC4626 {
    // STRATEGY EVENTS
    event StrategyChanged(address indexed strategy, uint256 change_type);
    event StrategyReported(
        address indexed strategy,
        uint256 gain,
        uint256 loss,
        uint256 current_debt,
        uint256 protocol_fees,
        uint256 total_fees,
        uint256 total_refunds
    );
    // DEBT MANAGEMENT EVENTS
    event DebtUpdated(
        address indexed strategy,
        uint256 current_debt,
        uint256 new_debt
    );
    // ROLE UPDATES
    event RoleSet(address indexed account, uint256 role);
    event UpdateRoleManager(address indexed role_manager);

    event UpdateAccountant(address indexed accountant);
    event UpdateDefaultQueue(address[] new_default_queue);
    event UpdateUseDefaultQueue(bool use_default_queue);
    event UpdatedMaxDebtForStrategy(
        address indexed sender,
        address indexed strategy,
        uint256 new_debt
    );
    event UpdateAutoAllocate(bool auto_allocate);
    event UpdateDepositLimit(uint256 deposit_limit);
    event UpdateMinimumTotalIdle(uint256 minimum_total_idle);
    event UpdateProfitMaxUnlockTime(uint256 profit_max_unlock_time);
    event DebtPurchased(address indexed strategy, uint256 amount);
    event Shutdown();

    struct StrategyParams {
        uint256 activation;
        uint256 last_report;
        uint256 current_debt;
        uint256 max_debt;
    }

    function FACTORY() external view returns (uint256);

    function strategies(address) external view returns (StrategyParams memory);

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

    function use_default_queue() external view returns (bool);

    function auto_allocate() external view returns (bool);

    function minimum_total_idle() external view returns (uint256);

    function deposit_limit() external view returns (uint256);

    function deposit_limit_module() external view returns (address);

    function withdraw_limit_module() external view returns (address);

    function accountant() external view returns (address);

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

    function role_manager() external view returns (address);

    function future_role_manager() external view returns (address);

    function isShutdown() external view returns (bool);

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

    function initialize(
        address,
        string memory,
        string memory,
        address,
        uint256
    ) external;

    function setName(string memory) external;

    function setSymbol(string memory) external;

    function set_accountant(address new_accountant) external;

    function set_default_queue(address[] memory new_default_queue) external;

    function set_use_default_queue(bool) external;

    function set_auto_allocate(bool) external;

    function set_deposit_limit(uint256 deposit_limit) external;

    function set_deposit_limit(
        uint256 deposit_limit,
        bool should_override
    ) external;

    function set_deposit_limit_module(
        address new_deposit_limit_module
    ) external;

    function set_deposit_limit_module(
        address new_deposit_limit_module,
        bool should_override
    ) external;

    function set_withdraw_limit_module(
        address new_withdraw_limit_module
    ) external;

    function set_minimum_total_idle(uint256 minimum_total_idle) external;

    function setProfitMaxUnlockTime(
        uint256 new_profit_max_unlock_time
    ) external;

    function set_role(address account, uint256 role) external;

    function add_role(address account, uint256 role) external;

    function remove_role(address account, uint256 role) external;

    function transfer_role_manager(address role_manager) external;

    function accept_role_manager() external;

    function unlockedShares() external view returns (uint256);

    function pricePerShare() external view returns (uint256);

    function get_default_queue() external view returns (address[] memory);

    function process_report(
        address strategy
    ) external returns (uint256, uint256);

    function buy_debt(address strategy, uint256 amount) external;

    function add_strategy(address new_strategy) external;

    function revoke_strategy(address strategy) external;

    function force_revoke_strategy(address strategy) external;

    function update_max_debt_for_strategy(
        address strategy,
        uint256 new_max_debt
    ) external;

    function update_debt(
        address strategy,
        uint256 target_debt
    ) external returns (uint256);

    function update_debt(
        address strategy,
        uint256 target_debt,
        uint256 max_loss
    ) external returns (uint256);

    function shutdown_vault() external;

    function totalIdle() external view returns (uint256);

    function totalDebt() external view returns (uint256);

    function apiVersion() external view returns (string memory);

    function assess_share_of_unrealised_losses(
        address strategy,
        uint256 assets_needed
    ) external view returns (uint256);

    function profitMaxUnlockTime() external view returns (uint256);

    function fullProfitUnlockDate() external view returns (uint256);

    function profitUnlockingRate() external view returns (uint256);

    function lastProfitUpdate() external view returns (uint256);

    //// NON-STANDARD ERC-4626 FUNCTIONS \\\\

    function withdraw(
        uint256 assets,
        address receiver,
        address owner,
        uint256 max_loss
    ) external returns (uint256);

    function withdraw(
        uint256 assets,
        address receiver,
        address owner,
        uint256 max_loss,
        address[] memory strategies
    ) external returns (uint256);

    function redeem(
        uint256 shares,
        address receiver,
        address owner,
        uint256 max_loss
    ) external returns (uint256);

    function redeem(
        uint256 shares,
        address receiver,
        address owner,
        uint256 max_loss,
        address[] memory strategies
    ) external returns (uint256);

    function maxWithdraw(
        address owner,
        uint256 max_loss
    ) external view returns (uint256);

    function maxWithdraw(
        address owner,
        uint256 max_loss,
        address[] memory strategies
    ) external view returns (uint256);

    function maxRedeem(
        address owner,
        uint256 max_loss
    ) external view returns (uint256);

    function maxRedeem(
        address owner,
        uint256 max_loss,
        address[] memory strategies
    ) external view returns (uint256);

    //// NON-STANDARD ERC-20 FUNCTIONS \\\\

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (bool);
}

// lib/tokenized-strategy/src/interfaces/ITokenizedStrategy.sol

// Interface that implements the 4626 standard and the implementation functions
interface ITokenizedStrategy is IERC4626, IERC20Permit {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event StrategyShutdown();

    event NewTokenizedStrategy(
        address indexed strategy,
        address indexed asset,
        string apiVersion
    );

    event Reported(
        uint256 profit,
        uint256 loss,
        uint256 protocolFees,
        uint256 performanceFees
    );

    event UpdatePerformanceFeeRecipient(
        address indexed newPerformanceFeeRecipient
    );

    event UpdateKeeper(address indexed newKeeper);

    event UpdatePerformanceFee(uint16 newPerformanceFee);

    event UpdateManagement(address indexed newManagement);

    event UpdateEmergencyAdmin(address indexed newEmergencyAdmin);

    event UpdateProfitMaxUnlockTime(uint256 newProfitMaxUnlockTime);

    event UpdatePendingManagement(address indexed newPendingManagement);

    /*//////////////////////////////////////////////////////////////
                           INITIALIZATION
    //////////////////////////////////////////////////////////////*/

    function initialize(
        address _asset,
        string memory _name,
        address _management,
        address _performanceFeeRecipient,
        address _keeper
    ) external;

    /*//////////////////////////////////////////////////////////////
                    NON-STANDARD 4626 OPTIONS
    //////////////////////////////////////////////////////////////*/

    function withdraw(
        uint256 assets,
        address receiver,
        address owner,
        uint256 maxLoss
    ) external returns (uint256);

    function redeem(
        uint256 shares,
        address receiver,
        address owner,
        uint256 maxLoss
    ) external returns (uint256);

    function maxWithdraw(
        address owner,
        uint256 /*maxLoss*/
    ) external view returns (uint256);

    function maxRedeem(
        address owner,
        uint256 /*maxLoss*/
    ) external view returns (uint256);

    /*//////////////////////////////////////////////////////////////
                        MODIFIER HELPERS
    //////////////////////////////////////////////////////////////*/

    function requireManagement(address _sender) external view;

    function requireKeeperOrManagement(address _sender) external view;

    function requireEmergencyAuthorized(address _sender) external view;

    /*//////////////////////////////////////////////////////////////
                        KEEPERS FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    function tend() external;

    function report() external returns (uint256 _profit, uint256 _loss);

    /*//////////////////////////////////////////////////////////////
                        CONSTANTS
    //////////////////////////////////////////////////////////////*/

    function MAX_FEE() external view returns (uint16);

    function FACTORY() external view returns (address);

    /*//////////////////////////////////////////////////////////////
                            GETTERS
    //////////////////////////////////////////////////////////////*/

    function apiVersion() external view returns (string memory);

    function pricePerShare() external view returns (uint256);

    function management() external view returns (address);

    function pendingManagement() external view returns (address);

    function keeper() external view returns (address);

    function emergencyAdmin() external view returns (address);

    function performanceFee() external view returns (uint16);

    function performanceFeeRecipient() external view returns (address);

    function fullProfitUnlockDate() external view returns (uint256);

    function profitUnlockingRate() external view returns (uint256);

    function profitMaxUnlockTime() external view returns (uint256);

    function lastReport() external view returns (uint256);

    function isShutdown() external view returns (bool);

    function unlockedShares() external view returns (uint256);

    /*//////////////////////////////////////////////////////////////
                            SETTERS
    //////////////////////////////////////////////////////////////*/

    function setPendingManagement(address) external;

    function acceptManagement() external;

    function setKeeper(address _keeper) external;

    function setEmergencyAdmin(address _emergencyAdmin) external;

    function setPerformanceFee(uint16 _performanceFee) external;

    function setPerformanceFeeRecipient(
        address _performanceFeeRecipient
    ) external;

    function setProfitMaxUnlockTime(uint256 _profitMaxUnlockTime) external;

    function setName(string calldata _newName) external;

    function shutdownStrategy() external;

    function emergencyWithdraw(uint256 _amount) external;
}

// lib/tokenized-strategy/src/interfaces/IStrategy.sol

interface IStrategy is IBaseStrategy, ITokenizedStrategy {}

// src/ReportTrigger/CommonReportTrigger.sol

interface ICustomStrategyTrigger {
    function reportTrigger(
        address _strategy
    ) external view returns (bool, bytes memory);
}

interface ICustomVaultTrigger {
    function reportTrigger(
        address _vault,
        address _strategy
    ) external view returns (bool, bytes memory);
}

interface IBaseFee {
    function basefee_global() external view returns (uint256);
}

/**
 *  @title Common Report Trigger
 *  @author Yearn.finance
 *  @dev This is a central contract that keepers can use
 *  to decide if Yearn V3 strategies should report profits as
 *  well as when a V3 Vaults should record a strategies profits.
 *
 *  It allows for a simple default flow that most strategies
 *  and vaults can use for easy integration with a keeper network.
 *  However, it is also customizable by the strategy and vaults
 *  management to allow complete customization if desired.
 */
contract CommonReportTrigger is Governance {
    /*//////////////////////////////////////////////////////////////
                            EVENTS
    //////////////////////////////////////////////////////////////*/

    event NewBaseFeeProvider(address indexed provider);

    event UpdatedAcceptableBaseFee(uint256 acceptableBaseFee);

    event UpdatedCustomStrategyTrigger(
        address indexed strategy,
        address indexed trigger
    );

    event UpdatedCustomStrategyBaseFee(
        address indexed strategy,
        uint256 acceptableBaseFee
    );

    event UpdatedCustomVaultTrigger(
        address indexed vault,
        address indexed strategy,
        address indexed trigger
    );

    event UpdatedCustomVaultBaseFee(
        address indexed vault,
        address indexed strategy,
        uint256 acceptableBaseFee
    );

    /*//////////////////////////////////////////////////////////////
                            STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name = "Yearn Common Report Trigger";

    // Address to retrieve the current base fee on the network from.
    address public baseFeeProvider;

    // Default base fee the trigger will accept for a trigger to return `true`.
    uint256 public acceptableBaseFee;

    // Mapping of a strategy address to the address of a custom report
    // trigger if the strategies management wants to implement their own
    // custom logic. If address(0) the default trigger will be used.
    mapping(address => address) public customStrategyTrigger;

    // Mapping of a strategy address to a custom base fee that will be
    // accepted for the trigger to return true. If 0 the default
    // `acceptableBaseFee` will be used.
    mapping(address => uint256) public customStrategyBaseFee;

    // Mapping of a vault address and one of its strategies address to a
    // custom report trigger. If address(0) the default trigger will be used.
    // vaultAddress => strategyAddress => customTriggerContract.
    mapping(address => mapping(address => address)) public customVaultTrigger;

    // Mapping of a vault address and one of its strategies address to a
    // custom base fee that will be used for a trigger to return true. If
    // returns 0 then the default `acceptableBaseFee` will be used.
    // vaultAddress => strategyAddress => customBaseFee.
    mapping(address => mapping(address => uint256)) public customVaultBaseFee;

    constructor(address _governance) Governance(_governance) {}

    /*//////////////////////////////////////////////////////////////
                        CUSTOM SETTERS
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Set a custom report trigger contract for a strategy.
     * @dev This gives the `management` of a specific strategy the option
     * to enforce a custom report trigger for their strategy easily while
     * still using this standard contract for keepers to read the trigger
     * status from.
     *
     * The custom trigger contract only needs to implement the `reportTrigger`
     * function to return true or false.
     *
     * @param _strategy The address of the strategy to set the trigger for.
     * @param _trigger The address of the custom trigger contract.
     */
    function setCustomStrategyTrigger(
        address _strategy,
        address _trigger
    ) external virtual {
        require(msg.sender == IStrategy(_strategy).management(), "!authorized");
        customStrategyTrigger[_strategy] = _trigger;

        emit UpdatedCustomStrategyTrigger(_strategy, _trigger);
    }

    /**
     * @notice Set a custom base fee for a specific strategy.
     * @dev This can be set by a strategies `management` to increase or
     * decrease the acceptable network base fee for a specific strategies
     * trigger to return true.
     *
     * This can be used instead of a custom trigger contract.
     *
     * This will have no effect if a custom trigger is set for the strategy.
     *
     * @param _strategy The address of the strategy to customize.
     * @param _baseFee The max acceptable network base fee.
     */
    function setCustomStrategyBaseFee(
        address _strategy,
        uint256 _baseFee
    ) external virtual {
        require(msg.sender == IStrategy(_strategy).management(), "!authorized");
        customStrategyBaseFee[_strategy] = _baseFee;

        emit UpdatedCustomStrategyBaseFee(_strategy, _baseFee);
    }

    /**
     * @notice Set a custom report trigger contract for a vaults strategy.
     * @dev This gives the management of a vault the option to enforce a
     * custom report trigger for a specific strategy attached to the vault
     * while still using this standard contract for keepers to read the
     * trigger status from.
     *
     * The address calling must have the `REPORTING_MANAGER` role on the vault.
     *
     * The custom trigger contract only needs to implement the `reportTrigger`
     * function to return true or false.
     *
     * @param _vault The address of the vault
     * @param _strategy The address of the strategy to set the trigger for.
     * @param _trigger The address of the custom trigger contract.
     */
    function setCustomVaultTrigger(
        address _vault,
        address _strategy,
        address _trigger
    ) external virtual {
        // Check that the address has the REPORTING_MANAGER role on the vault.
        uint256 mask = 32;
        require((IVault(_vault).roles(msg.sender) & mask) != 0, "!authorized");
        customVaultTrigger[_vault][_strategy] = _trigger;

        emit UpdatedCustomVaultTrigger(_vault, _strategy, _trigger);
    }

    /**
     * @notice Set a custom base fee for a vaults strategy.
     * @dev This can be set by the vaults management to increase or
     * decrease the acceptable network base fee for a specific strategies
     * trigger to return true.
     *
     * This can be used instead of a custom trigger contract.
     *
     * This will have no effect if a custom trigger is set for the strategy.
     *
     * The address calling must have the `REPORTING_MANAGER` role on the vault.
     *
     * @param _vault The address of the vault.
     * @param _strategy The address of the strategy to customize.
     * @param _baseFee The max acceptable network base fee.
     */
    function setCustomVaultBaseFee(
        address _vault,
        address _strategy,
        uint256 _baseFee
    ) external virtual {
        // Check that the address has the REPORTING_MANAGER role on the vault.
        uint256 mask = 32;
        require((IVault(_vault).roles(msg.sender) & mask) != 0, "!authorized");
        customVaultBaseFee[_vault][_strategy] = _baseFee;

        emit UpdatedCustomVaultBaseFee(_vault, _strategy, _baseFee);
    }

    /*//////////////////////////////////////////////////////////////
                            TRIGGERS
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Returns wether or not a strategy is ready for a keeper to call `report`.
     * @dev Will first check if a custom trigger is set. If not it will use
     * the default trigger flow.
     *
     * @param _strategy The address of the strategy to check the trigger for.
     * @return . Bool representing if the strategy is ready to report.
     * @return . Bytes with either the calldata or reason why False.
     */
    function strategyReportTrigger(
        address _strategy
    ) external view virtual returns (bool, bytes memory) {
        address _trigger = customStrategyTrigger[_strategy];

        // If a custom trigger contract is set use that one.
        if (_trigger != address(0)) {
            return ICustomStrategyTrigger(_trigger).reportTrigger(_strategy);
        }

        // Return the default trigger logic.
        return defaultStrategyReportTrigger(_strategy);
    }

    /**
     * @notice The default trigger logic for a strategy.
     * @dev This is kept in a separate function so it can still
     * be used by custom triggers even if extra checks are needed
     * first or after.
     *
     * This will also check if a custom acceptable base fee has been set
     * by the strategies management.
     *
     * In order for the default flow to return true the strategy must:
     *
     *   1. Not be shutdown.
     *   2. Have funds.
     *   3. The current network base fee be below the `acceptableBaseFee`.
     *   4. The time since the last report be > the strategies `profitMaxUnlockTime`.
     *
     * @param _strategy The address of the strategy to check the trigger for.
     * @return . Bool representing if the strategy is ready to report.
     * @return . Bytes with either the calldata or reason why False.
     */
    function defaultStrategyReportTrigger(
        address _strategy
    ) public view virtual returns (bool, bytes memory) {
        // Cache the strategy instance.
        IStrategy strategy = IStrategy(_strategy);

        // Don't report if the strategy is shutdown.
        if (strategy.isShutdown()) return (false, bytes("Shutdown"));

        // Don't report if the strategy has no assets.
        if (strategy.totalAssets() == 0) return (false, bytes("Zero Assets"));

        // Check if a `baseFeeProvider` is set.
        address _baseFeeProvider = baseFeeProvider;
        if (_baseFeeProvider != address(0)) {
            uint256 customAcceptableBaseFee = customStrategyBaseFee[_strategy];
            // Use the custom base fee if set, otherwise use the default.
            uint256 _acceptableBaseFee = customAcceptableBaseFee != 0
                ? customAcceptableBaseFee
                : acceptableBaseFee;

            // Don't report if the base fee is to high.
            if (
                IBaseFee(_baseFeeProvider).basefee_global() > _acceptableBaseFee
            ) return (false, bytes("Base Fee"));
        }

        return (
            // Return true is the full profit unlock time has passed since the last report.
            block.timestamp - strategy.lastReport() >
                strategy.profitMaxUnlockTime(),
            // Return the report function sig as the calldata.
            abi.encodeWithSelector(strategy.report.selector)
        );
    }

    /**
     * @notice Return wether or not a report should be called on a vault for
     * a specific strategy.
     * @dev Will first check if a custom trigger is set. If not it will use
     * the default trigger flow.
     *
     * @param _vault The address of the vault.
     * @param _strategy The address of the strategy to report.
     * @return . Bool if the strategy should report to the vault.
     * @return . Bytes with either the calldata or reason why False.
     */
    function vaultReportTrigger(
        address _vault,
        address _strategy
    ) external view virtual returns (bool, bytes memory) {
        address _trigger = customVaultTrigger[_vault][_strategy];

        // If a custom trigger contract is set use that.
        if (_trigger != address(0)) {
            return
                ICustomVaultTrigger(_trigger).reportTrigger(_vault, _strategy);
        }

        // return the default trigger.
        return defaultVaultReportTrigger(_vault, _strategy);
    }

    /**
     * @notice The default trigger logic for a vault.
     * @dev This is kept in a separate function so it can still
     * be used by custom triggers even if extra checks are needed
     * before or after.
     *
     * This will also check if a custom acceptable base fee has been set
     * by the vault management for the `_strategy`.
     *
     * In order for the default flow to return true:
     *
     *   1. The vault must not be shutdown.
     *   2. The strategy must be active and have debt allocated.
     *   3. The current network base fee be below the `acceptableBaseFee`.
     *   4. The time since the strategies last report be > the vaults `profitMaxUnlockTime`.
     *
     * @param _vault The address of the vault.
     * @param _strategy The address of the strategy to report.
     * @return . Bool if the strategy should report to the vault.
     * @return . Bytes with either the calldata or reason why False.
     */
    function defaultVaultReportTrigger(
        address _vault,
        address _strategy
    ) public view virtual returns (bool, bytes memory) {
        // Cache the vault instance.
        IVault vault = IVault(_vault);

        // Don't report if the vault is shutdown.
        if (vault.isShutdown()) return (false, bytes("Shutdown"));

        // Cache the strategy parameters.
        IVault.StrategyParams memory params = vault.strategies(_strategy);

        // Don't report if the strategy is not active or has no funds.
        if (params.activation == 0 || params.current_debt == 0)
            return (false, bytes("Not Active"));

        // Check if a `baseFeeProvider` is set.
        address _baseFeeProvider = baseFeeProvider;
        if (_baseFeeProvider != address(0)) {
            uint256 customAcceptableBaseFee = customVaultBaseFee[_vault][
                _strategy
            ];
            // Use the custom base fee if set, otherwise use the default.
            uint256 _acceptableBaseFee = customAcceptableBaseFee != 0
                ? customAcceptableBaseFee
                : acceptableBaseFee;

            // Don't report if the base fee is to high.
            if (
                IBaseFee(_baseFeeProvider).basefee_global() > _acceptableBaseFee
            ) return (false, bytes("Base Fee"));
        }

        return (
            // Return true is the full profit unlock time has passed since the last report.
            block.timestamp - params.last_report > vault.profitMaxUnlockTime(),
            // Return the function selector and the strategy as the parameter to use.
            abi.encodeCall(vault.process_report, _strategy)
        );
    }

    /**
     * @notice Return whether or not a strategy should be tended by a keeper.
     * @dev This can be used as an easy keeper integration for any strategy that
     * implements a tendTrigger.
     *
     * It is expected that a strategy implement all needed checks such as
     * isShutdown, totalAssets > 0 and base fee checks within the trigger.
     *
     * @param _strategy Address of the strategy to check.
     * @return . Bool if the strategy should be tended.
     * @return . Bytes with the calldata.
     */
    function strategyTendTrigger(
        address _strategy
    ) external view virtual returns (bool, bytes memory) {
        // Return the status of the tend trigger.
        return IStrategy(_strategy).tendTrigger();
    }

    /**
     * @notice Returns the current base fee from the provider.
     * @dev Will return 0 if a base fee provider is not set.
     * @return . The current base fee for the chain.
     */
    function getCurrentBaseFee() public view virtual returns (uint256) {
        address _baseFeeProvider = baseFeeProvider;
        if (_baseFeeProvider == address(0)) return 0;

        return IBaseFee(_baseFeeProvider).basefee_global();
    }

    /**
     * @notice Returns wether or not the current base fee is acceptable
     * based on the default `acceptableBaseFee`.
     * @dev Can be used in custom triggers to easily still use this contracts
     * fee provider and acceptableBaseFee. And makes it backwards compatible to V2.
     *
     * Will always return `true` if no `baseFeeProvider` is set.
     *
     * @return . IF the current base fee is acceptable.
     */
    function isCurrentBaseFeeAcceptable() external view virtual returns (bool) {
        return getCurrentBaseFee() <= acceptableBaseFee;
    }

    /*//////////////////////////////////////////////////////////////
                        GOVERNANCE FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Sets the address used to pull the current network base fee.
     * @dev Throws if the caller is not current governance.
     * @param _baseFeeProvider The network's baseFeeProvider address.
     */
    function setBaseFeeProvider(
        address _baseFeeProvider
    ) external virtual onlyGovernance {
        baseFeeProvider = _baseFeeProvider;

        emit NewBaseFeeProvider(_baseFeeProvider);
    }

    /**
     * @notice Sets the default acceptable current network base fee.
     * @dev Throws if the caller is not current governance.
     * @param _newAcceptableBaseFee The acceptable network base fee.
     */
    function setAcceptableBaseFee(
        uint256 _newAcceptableBaseFee
    ) external virtual onlyGovernance {
        acceptableBaseFee = _newAcceptableBaseFee;

        emit UpdatedAcceptableBaseFee(_newAcceptableBaseFee);
    }
}

Contract Security Audit

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Contract ABI

[{"inputs":[{"internalType":"address","name":"_governance","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousGovernance","type":"address"},{"indexed":true,"internalType":"address","name":"newGovernance","type":"address"}],"name":"GovernanceTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"provider","type":"address"}],"name":"NewBaseFeeProvider","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"acceptableBaseFee","type":"uint256"}],"name":"UpdatedAcceptableBaseFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"strategy","type":"address"},{"indexed":false,"internalType":"uint256","name":"acceptableBaseFee","type":"uint256"}],"name":"UpdatedCustomStrategyBaseFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"strategy","type":"address"},{"indexed":true,"internalType":"address","name":"trigger","type":"address"}],"name":"UpdatedCustomStrategyTrigger","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"vault","type":"address"},{"indexed":true,"internalType":"address","name":"strategy","type":"address"},{"indexed":false,"internalType":"uint256","name":"acceptableBaseFee","type":"uint256"}],"name":"UpdatedCustomVaultBaseFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"vault","type":"address"},{"indexed":true,"internalType":"address","name":"strategy","type":"address"},{"indexed":true,"internalType":"address","name":"trigger","type":"address"}],"name":"UpdatedCustomVaultTrigger","type":"event"},{"inputs":[],"name":"acceptableBaseFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseFeeProvider","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"customStrategyBaseFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"customStrategyTrigger","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"customVaultBaseFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"customVaultTrigger","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_strategy","type":"address"}],"name":"defaultStrategyReportTrigger","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"},{"internalType":"address","name":"_strategy","type":"address"}],"name":"defaultVaultReportTrigger","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCurrentBaseFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governance","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isCurrentBaseFeeAcceptable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newAcceptableBaseFee","type":"uint256"}],"name":"setAcceptableBaseFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_baseFeeProvider","type":"address"}],"name":"setBaseFeeProvider","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_strategy","type":"address"},{"internalType":"uint256","name":"_baseFee","type":"uint256"}],"name":"setCustomStrategyBaseFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_strategy","type":"address"},{"internalType":"address","name":"_trigger","type":"address"}],"name":"setCustomStrategyTrigger","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"},{"internalType":"address","name":"_strategy","type":"address"},{"internalType":"uint256","name":"_baseFee","type":"uint256"}],"name":"setCustomVaultBaseFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"},{"internalType":"address","name":"_strategy","type":"address"},{"internalType":"address","name":"_trigger","type":"address"}],"name":"setCustomVaultTrigger","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_strategy","type":"address"}],"name":"strategyReportTrigger","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_strategy","type":"address"}],"name":"strategyTendTrigger","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newGovernance","type":"address"}],"name":"transferGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"},{"internalType":"address","name":"_strategy","type":"address"}],"name":"vaultReportTrigger","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"}]

Contract Creation Code

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000006f3cbe2ab3483ec4ba7b672fbdca0e9b33f88db8

-----Decoded View---------------
Arg [0] : _governance (address): 0x6f3cBE2ab3483EC4BA7B672fbdCa0E9B33F88db8

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000006f3cbe2ab3483ec4ba7b672fbdca0e9b33f88db8

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.

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