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// SPDX-License-Identifier: BSL 1.1 - Copyright 2024 MetaLayer Labs Ltd.
pragma solidity 0.8.15;
import { Constants } from "src/libraries/Constants.sol";
/// @title IL1ChugSplashDeployer
interface IL1ChugSplashDeployer {
    function isUpgrading() external view returns (bool);
}
/// @custom:legacy
/// @title L1ChugSplashProxy
/// @notice Basic ChugSplash proxy contract for L1. Very close to being a normal proxy but has added
///         functions `setCode` and `setStorage` for changing the code or storage of the contract.
///         Note for future developers: do NOT make anything in this contract 'public' unless you
///         know what you're doing. Anything public can potentially have a function signature that
///         conflicts with a signature attached to the implementation contract. Public functions
///         SHOULD always have the `proxyCallIfNotOwner` modifier unless there's some *really* good
///         reason not to have that modifier. And there almost certainly is not a good reason to not
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// SPDX-License-Identifier: BSL 1.1 - Copyright 2024 MetaLayer Labs Ltd.
pragma solidity 0.8.15;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { Proxy } from "src/universal/Proxy.sol";
import { AddressManager } from "src/legacy/AddressManager.sol";
import { L1ChugSplashProxy } from "src/legacy/L1ChugSplashProxy.sol";
import { Constants } from "src/libraries/Constants.sol";
/// @title IStaticERC1967Proxy
/// @notice IStaticERC1967Proxy is a static version of the ERC1967 proxy interface.
interface IStaticERC1967Proxy {
    function implementation() external view returns (address);
    function admin() external view returns (address);
}
/// @title IStaticL1ChugSplashProxy
/// @notice IStaticL1ChugSplashProxy is a static version of the ChugSplash proxy interface.
interface IStaticL1ChugSplashProxy {
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// SPDX-License-Identifier: BSL 1.1 - Copyright 2024 MetaLayer Labs Ltd.
pragma solidity 0.8.15;
import { Address } from "@openzeppelin/contracts/utils/Address.sol";
import { IERC20 } from "@openzeppelin/contracts/interfaces/IERC20.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { Predeploys } from "src/libraries/Predeploys.sol";
import { SafeCall } from "src/libraries/SafeCall.sol";
import { StandardBridge } from "src/universal/StandardBridge.sol";
import { L2BlastBridge } from "src/mainnet-bridge/L2BlastBridge.sol";
import { ISemver } from "src/universal/ISemver.sol";
import { CrossDomainMessenger } from "src/universal/CrossDomainMessenger.sol";
import { OptimismPortal } from "src/L1/OptimismPortal.sol";
import { Predeploys } from "src/libraries/Predeploys.sol";
import { USDYieldManager } from "src/mainnet-bridge/USDYieldManager.sol";
import { ETHYieldManager } from "src/mainnet-bridge/ETHYieldManager.sol";
import { USDB } from "src/L2/USDB.sol";
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pragma solidity ^0.4.24;
// File: zos-lib/contracts/upgradeability/Proxy.sol
/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
contract Proxy {
  /**
   * @dev Fallback function.
   * Implemented entirely in `_fallback`.
   */
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/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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// SPDX-License-Identifier: BSL 1.1 - Copyright 2024 MetaLayer Labs Ltd.
pragma solidity 0.8.15;
import { Constants } from "src/libraries/Constants.sol";
/// @title IL1ChugSplashDeployer
interface IL1ChugSplashDeployer {
    function isUpgrading() external view returns (bool);
}
/// @custom:legacy
/// @title L1ChugSplashProxy
/// @notice Basic ChugSplash proxy contract for L1. Very close to being a normal proxy but has added
///         functions `setCode` and `setStorage` for changing the code or storage of the contract.
///         Note for future developers: do NOT make anything in this contract 'public' unless you
///         know what you're doing. Anything public can potentially have a function signature that
///         conflicts with a signature attached to the implementation contract. Public functions
///         SHOULD always have the `proxyCallIfNotOwner` modifier unless there's some *really* good
///         reason not to have that modifier. And there almost certainly is not a good reason to not
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// SPDX-License-Identifier: BSL 1.1 - Copyright 2024 MetaLayer Labs Ltd.
pragma solidity 0.8.15;
import { IERC20 } from "@openzeppelin/contracts/interfaces/IERC20.sol";
import { YieldManager } from "src/mainnet-bridge/YieldManager.sol";
import { OptimismPortal } from "src/L1/OptimismPortal.sol";
import { USDConversions } from "src/mainnet-bridge/USDConversions.sol";
import { Semver } from "src/universal/Semver.sol";
import { Predeploys } from "src/libraries/Predeploys.sol";
/// @custom:proxied
/// @title USDYieldManager
/// @notice Coordinates the accounting, asset management and
///         yield reporting from USD yield providers.
contract USDYieldManager is YieldManager, Semver {
    /// @param _token Address of withdrawal token. It is assumed that the token
    ///               has 18 decimals.
    constructor(address _token) YieldManager(_token) Semver(1, 0, 0) {
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