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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/UpgradeableBeacon.sol)
// Modified by Spectra to use AccessManager instead of Ownable for access control
pragma solidity 0.8.20;
import {IBeacon} from "openzeppelin-contracts/proxy/beacon/IBeacon.sol";
import "openzeppelin-contracts/access/manager/AccessManaged.sol";
/**
 * @title AMBeacon
 * @dev This contract is used in conjunction with one or more instances of {BeaconProxy} to determine their
 * implementation contract, which is where they will delegate all function calls.
 *
 * Previously, the contract relied on the Ownable pattern from OpenZeppelin.
 * It has been modified by Spectra to use the AccessManaged for access control instead.
 *
 * The authority can change the implementation the beacon points to, thus upgrading the proxies that use this beacon.
 */
contract AMBeacon is IBeacon, AccessManaged {
    address private _implementation;
    /**
     * @dev The `implementation` of the beacon is invalid.
     */
    error BeaconInvalidImplementation(address implementation);
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol)
pragma solidity ^0.8.20;
/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {UpgradeableBeacon} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AccessManaged.sol)
pragma solidity ^0.8.20;
import {IAuthority} from "./IAuthority.sol";
import {AuthorityUtils} from "./AuthorityUtils.sol";
import {IAccessManager} from "./IAccessManager.sol";
import {IAccessManaged} from "./IAccessManaged.sol";
import {Context} from "../../utils/Context.sol";
/**
 * @dev This contract module makes available a {restricted} modifier. Functions decorated with this modifier will be
 * permissioned according to an "authority": a contract like {AccessManager} that follows the {IAuthority} interface,
 * implementing a policy that allows certain callers to access certain functions.
 *
 * IMPORTANT: The `restricted` modifier should never be used on `internal` functions, judiciously used in `public`
 * functions, and ideally only used in `external` functions. See {restricted}.
 */
abstract contract AccessManaged is Context, IAccessManaged {
    address private _authority;
    bool private _consumingSchedule;
    /**
     * @dev Initializes the contract connected to an initial authority.
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/IAuthority.sol)
pragma solidity ^0.8.20;
/**
 * @dev Standard interface for permissioning originally defined in Dappsys.
 */
interface IAuthority {
    /**
     * @dev Returns true if the caller can invoke on a target the function identified by a function selector.
     */
    function canCall(address caller, address target, bytes4 selector) external view returns (bool allowed);
}
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AuthorityUtils.sol)
pragma solidity ^0.8.20;
import {IAuthority} from "./IAuthority.sol";
library AuthorityUtils {
    /**
     * @dev Since `AccessManager` implements an extended IAuthority interface, invoking `canCall` with backwards compatibility
     * for the preexisting `IAuthority` interface requires special care to avoid reverting on insufficient return data.
     * This helper function takes care of invoking `canCall` in a backwards compatible way without reverting.
     */
    function canCallWithDelay(
        address authority,
        address caller,
        address target,
        bytes4 selector
    ) internal view returns (bool immediate, uint32 delay) {
        (bool success, bytes memory data) = authority.staticcall(
            abi.encodeCall(IAuthority.canCall, (caller, target, selector))
        );
        if (success) {
            if (data.length >= 0x40) {
                (immediate, delay) = abi.decode(data, (bool, uint32));
            } else if (data.length >= 0x20) {
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/IAccessManager.sol)
pragma solidity ^0.8.20;
import {IAccessManaged} from "./IAccessManaged.sol";
import {Time} from "../../utils/types/Time.sol";
interface IAccessManager {
    /**
     * @dev A delayed operation was scheduled.
     */
    event OperationScheduled(
        bytes32 indexed operationId,
        uint32 indexed nonce,
        uint48 schedule,
        address caller,
        address target,
        bytes data
    );
    /**
     * @dev A scheduled operation was executed.
     */
    event OperationExecuted(bytes32 indexed operationId, uint32 indexed nonce);
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/IAccessManaged.sol)
pragma solidity ^0.8.20;
interface IAccessManaged {
    /**
     * @dev Authority that manages this contract was updated.
     */
    event AuthorityUpdated(address authority);
    error AccessManagedUnauthorized(address caller);
    error AccessManagedRequiredDelay(address caller, uint32 delay);
    error AccessManagedInvalidAuthority(address authority);
    /**
     * @dev Returns the current authority.
     */
    function authority() external view returns (address);
    /**
     * @dev Transfers control to a new authority. The caller must be the current authority.
     */
    function setAuthority(address) external;
    /**
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
 * @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;
    }
}
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/types/Time.sol)
pragma solidity ^0.8.20;
import {Math} from "../math/Math.sol";
import {SafeCast} from "../math/SafeCast.sol";
/**
 * @dev This library provides helpers for manipulating time-related objects.
 *
 * It uses the following types:
 * - `uint48` for timepoints
 * - `uint32` for durations
 *
 * While the library doesn't provide specific types for timepoints and duration, it does provide:
 * - a `Delay` type to represent duration that can be programmed to change value automatically at a given point
 * - additional helper functions
 */
library Time {
    using Time for *;
    /**
     * @dev Get the block timestamp as a Timepoint.
     */
    function timestamp() internal view returns (uint48) {
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)
pragma solidity ^0.8.20;
/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();
    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.
pragma solidity ^0.8.20;
/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeCast {
    /**
     * @dev Value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);
    /**
     * @dev An int value doesn't fit in an uint of `bits` size.
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{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "openzeppelin-erc20-basic/=lib/openzeppelin-contracts/contracts/token/ERC20/",
    "openzeppelin-erc20-extensions/=lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/extensions/",
    "openzeppelin-erc20/=lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/",
    "openzeppelin-math/=lib/openzeppelin-contracts/contracts/utils/math/",
    "openzeppelin-proxy/=lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/",
    "openzeppelin-utils/=lib/openzeppelin-contracts/contracts/utils/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
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[{"inputs":[{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"address","name":"initialAuthority","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"authority","type":"address"}],"name":"AccessManagedInvalidAuthority","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"},{"internalType":"uint32","name":"delay","type":"uint32"}],"name":"AccessManagedRequiredDelay","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"AccessManagedUnauthorized","type":"error"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"name":"BeaconInvalidImplementation","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"authority","type":"address"}],"name":"AuthorityUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"inputs":[],"name":"authority","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isConsumingScheduledOp","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAuthority","type":"address"}],"name":"setAuthority","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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