Transaction Hash:
Block:
18261637 at Oct-02-2023 08:25:23 AM +UTC
Transaction Fee:
0.000601541813917902 ETH
$1.60
Gas Used:
56,166 Gas / 10.710070397 Gwei
Emitted Events:
124 |
TUPProxy.0xd244b5a3b2e3977ecffe1a5e5ab7661aadfecbae24be711b7a72bb42bd1b2db0( 0xd244b5a3b2e3977ecffe1a5e5ab7661aadfecbae24be711b7a72bb42bd1b2db0, 0x000000000000000000000000ef1beee16243e6c33368acb10d27793fd0d417fb, 0000000000000000000000000000000000000000000000000000000000000000 )
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125 |
TUPProxy.0xd244b5a3b2e3977ecffe1a5e5ab7661aadfecbae24be711b7a72bb42bd1b2db0( 0xd244b5a3b2e3977ecffe1a5e5ab7661aadfecbae24be711b7a72bb42bd1b2db0, 0x0000000000000000000000008634431cc3a0807f3ec6795efd92595d5301a65f, 0000000000000000000000000000000000000000000000000000000000000000 )
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Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x52E1b3a1...F28e5C698 |
10.959669497617794242 Eth
Nonce: 26
|
10.95906795580387634 Eth
Nonce: 27
| 0.000601541813917902 | ||
0x95222290...5CC4BAfe5
Miner
| (beaverbuild) | 14.943280929168126999 Eth | 14.943449427168126999 Eth | 0.000168498 |
Execution Trace
TUPProxy.CALL( )

0xfed6bbb91be7e008410218c66221884466d53e6a.DELEGATECALL( )
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0xef1beee16243e6c33368acb10d27793fd0d417fb.CALL( )
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0x8634431cc3a0807f3ec6795efd92595d5301a65f.CALL( )
-
// SPDX-License-Identifier: BUSL-1.1 // SPDX-FileCopyrightText: 2023 Kiln <[email protected]> // // ██╗ ██╗██╗██╗ ███╗ ██╗ // ██║ ██╔╝██║██║ ████╗ ██║ // █████╔╝ ██║██║ ██╔██╗ ██║ // ██╔═██╗ ██║██║ ██║╚██╗██║ // ██║ ██╗██║███████╗██║ ╚████║ // ╚═╝ ╚═╝╚═╝╚══════╝╚═╝ ╚═══╝ // pragma solidity >=0.8.17; import "openzeppelin-contracts/proxy/ERC1967/ERC1967Proxy.sol"; import "./Freezable.sol"; /// @title Openzeppelin Transparent Upgradeable Proxy (with virtual external upgrade methods) contract TransparentUpgradeableProxy is ERC1967Proxy { /** * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}. */ constructor(address _logic, address admin_, bytes memory _data) payable ERC1967Proxy(_logic, _data) { _changeAdmin(admin_); } /** * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin. */ // slither-disable-next-line incorrect-modifier modifier ifAdmin() { if (msg.sender == _getAdmin()) { _; } else { _fallback(); } } /** * @dev Returns the current admin. * * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103` */ function admin() external ifAdmin returns (address admin_) { admin_ = _getAdmin(); } /** * @dev Returns the current implementation. * * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc` */ function implementation() external ifAdmin returns (address implementation_) { implementation_ = _implementation(); } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. * * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}. */ function changeAdmin(address newAdmin) external virtual ifAdmin { _changeAdmin(newAdmin); } /** * @dev Upgrade the implementation of the proxy. * * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}. */ function upgradeTo(address newImplementation) external virtual ifAdmin { _upgradeToAndCall(newImplementation, bytes(""), false); } /** * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the * proxied contract. * * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}. */ function upgradeToAndCall(address newImplementation, bytes calldata data) external payable virtual ifAdmin { _upgradeToAndCall(newImplementation, data, true); } /** * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}. */ function _beforeFallback() internal virtual override { require(msg.sender != _getAdmin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target"); super._beforeFallback(); } } /// @title TUPProxy (Transparent Upgradeable Pausable Proxy) /// @author mortimr @ Kiln /// @notice This contract extends the Transparent Upgradeable proxy and adds a system wide pause feature. /// When the system is paused, the fallback will fail no matter what calls are made. contract TUPProxy is TransparentUpgradeableProxy, Freezable { /// @dev EIP1967 slot to store the pause status value. bytes32 private constant _PAUSE_SLOT = bytes32(uint256(keccak256("eip1967.proxy.pause")) - 1); /// @dev EIP1967 slot to store the pauser address value. bytes32 private constant _PAUSER_SLOT = bytes32(uint256(keccak256("eip1967.proxy.pauser")) - 1); /// @notice Emitted when the proxy dedicated pauser is changed. /// @param previousPauser The address of the previous pauser /// @param newPauser The address of the new pauser event PauserChanged(address previousPauser, address newPauser); /// @notice Thrown when a call was attempted and the proxy is paused. error CallWhenPaused(); // slither-disable-next-line incorrect-modifier modifier ifAdminOrPauser() { if (msg.sender == _getAdmin() || msg.sender == _getPauser()) { _; } else { _fallback(); } } /// @param _logic The address of the implementation contract /// @param admin_ The address of the admin account able to pause and upgrade the implementation /// @param _data Extra data use to perform atomic initializations constructor(address _logic, address admin_, bytes memory _data) payable TransparentUpgradeableProxy(_logic, admin_, _data) {} /// @notice Retrieves Paused state. /// @return Paused state function paused() external ifAdminOrPauser returns (bool) { return StorageSlot.getBooleanSlot(_PAUSE_SLOT).value; } /// @notice Pauses system. function pause() external ifAdminOrPauser notFrozen { StorageSlot.getBooleanSlot(_PAUSE_SLOT).value = true; } /// @notice Unpauses system. function unpause() external ifAdmin notFrozen { StorageSlot.getBooleanSlot(_PAUSE_SLOT).value = false; } /// @notice Sets the freeze timeout. function freeze(uint256 freezeTimeout) external ifAdmin { _freeze(freezeTimeout); } /// @notice Cancels the freeze process. function cancelFreeze() external ifAdmin { _cancelFreeze(); } /// @notice Retrieve the freeze status. /// @return True if frozen function frozen() external ifAdmin returns (bool) { return _isFrozen(); } /// @notice Retrieve the freeze timestamp. /// @return The freeze timestamp function freezeTime() external ifAdmin returns (uint256) { return _freezeTime(); } /// @notice Retrieve the dedicated pauser address. /// @return The pauser address function pauser() external ifAdminOrPauser returns (address) { return _getPauser(); } /// @notice Changes the dedicated pauser address. /// @dev Not callable when frozen /// @param newPauser The new pauser address function changePauser(address newPauser) external ifAdmin notFrozen { emit PauserChanged(_getPauser(), newPauser); _changePauser(newPauser); } /// @notice Changed the proxy admin. /// @dev Not callable when frozen function changeAdmin(address newAdmin) external override ifAdmin notFrozen { _changeAdmin(newAdmin); } /// @notice Performs an upgrade without reinitialization. /// @param newImplementation The new implementation address function upgradeTo(address newImplementation) external override ifAdmin notFrozen { _upgradeToAndCall(newImplementation, bytes(""), false); } /// @notice Performs an upgrade with reinitialization. /// @param newImplementation The new implementation address /// @param data The calldata to use atomically after the implementation upgrade function upgradeToAndCall(address newImplementation, bytes calldata data) external payable override ifAdmin notFrozen { _upgradeToAndCall(newImplementation, data, true); } /// @dev Internal utility to retrieve the dedicated pauser from storage, /// @return The pauser address function _getPauser() internal view returns (address) { return StorageSlot.getAddressSlot(_PAUSER_SLOT).value; } /// @dev Internal utility to change the dedicated pauser. /// @param newPauser The new pauser address function _changePauser(address newPauser) internal { StorageSlot.getAddressSlot(_PAUSER_SLOT).value = newPauser; } /// @dev Overrides the fallback method to check if system is not paused before. /// @dev Address Zero is allowed to perform calls even if system is paused. This allows /// view functions to be called when the system is paused as rpc providers can easily /// set the sender address to zero. // slither-disable-next-line timestamp function _beforeFallback() internal override { if ((!StorageSlot.getBooleanSlot(_PAUSE_SLOT).value || _isFrozen()) || msg.sender == address(0)) { super._beforeFallback(); } else { revert CallWhenPaused(); } } /// @dev Internal utility to retrieve the account allowed to freeze the contract. /// @return The freezer account function _getFreezer() internal view override returns (address) { return _getAdmin(); } } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (proxy/ERC1967/ERC1967Proxy.sol) pragma solidity ^0.8.0; import "../Proxy.sol"; import "./ERC1967Upgrade.sol"; /** * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an * implementation address that can be changed. This address is stored in storage in the location specified by * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the * implementation behind the proxy. */ contract ERC1967Proxy is Proxy, ERC1967Upgrade { /** * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`. * * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded * function call, and allows initializing the storage of the proxy like a Solidity constructor. */ constructor(address _logic, bytes memory _data) payable { _upgradeToAndCall(_logic, _data, false); } /** * @dev Returns the current implementation address. */ function _implementation() internal view virtual override returns (address impl) { return ERC1967Upgrade._getImplementation(); } } // SPDX-License-Identifier: BUSL-1.1 // SPDX-FileCopyrightText: 2023 Kiln <[email protected]> // // ██╗ ██╗██╗██╗ ███╗ ██╗ // ██║ ██╔╝██║██║ ████╗ ██║ // █████╔╝ ██║██║ ██╔██╗ ██║ // ██╔═██╗ ██║██║ ██║╚██╗██║ // ██║ ██╗██║███████╗██║ ╚████║ // ╚═╝ ╚═╝╚═╝╚══════╝╚═╝ ╚═══╝ // pragma solidity >=0.8.17; // For some unexplainable and mysterious reason, adding this line would make slither crash // This is the reason why we are not using our own unstructured storage libs in this contract // (while the libs work properly in a lot of contracts without slither having any issue with it) // import "./types/uint256.sol"; import "./libs/LibErrors.sol"; import "./libs/LibConstant.sol"; import "openzeppelin-contracts/utils/StorageSlot.sol"; /// @title Freezable /// @author mortimr @ Kiln /// @dev Unstructured Storage Friendly /// @notice The Freezable contract is used to add a freezing capability to admin related actions. /// The goal would be to ossify an implementation after a certain amount of time. // slither-disable-next-line unimplemented-functions abstract contract Freezable { /// @notice Thrown when a call happened while it was forbidden when frozen. error Frozen(); /// @notice Thrown when the provided timeout value is lower than 100 days. /// @param providedValue The user provided value /// @param minimumValue The minimum allowed value error FreezeTimeoutTooLow(uint256 providedValue, uint256 minimumValue); /// @notice Emitted when the freeze timeout is changed. /// @param freezeTime The timestamp after which the contract will be frozen event SetFreezeTime(uint256 freezeTime); /// @dev This is the keccak-256 hash of "freezable.freeze_timestamp" subtracted by 1. bytes32 private constant _FREEZE_TIMESTAMP_SLOT = 0x04b06dd5becaad633b58f99e01f1e05103eff5a573d10d18c9baf1bc4e6bfd3a; /// @dev Only callable by the freezer account. modifier onlyFreezer() { _onlyFreezer(); _; } /// @dev Only callable when not frozen. modifier notFrozen() { _notFrozen(); _; } /// @dev Override and set it to return the address to consider as the freezer. /// @return The freezer address // slither-disable-next-line dead-code function _getFreezer() internal view virtual returns (address); /// @dev Retrieve the freeze status. /// @return True if contract is frozen // slither-disable-next-line dead-code,timestamp function _isFrozen() internal view returns (bool) { uint256 freezeTime_ = _freezeTime(); return (freezeTime_ > 0 && block.timestamp >= freezeTime_); } /// @dev Retrieve the freeze timestamp. /// @return The freeze timestamp // slither-disable-next-line dead-code function _freezeTime() internal view returns (uint256) { return StorageSlot.getUint256Slot(_FREEZE_TIMESTAMP_SLOT).value; } /// @dev Internal utility to set the freeze timestamp. /// @param freezeTime The new freeze timestamp // slither-disable-next-line dead-code function _setFreezeTime(uint256 freezeTime) internal { StorageSlot.getUint256Slot(_FREEZE_TIMESTAMP_SLOT).value = freezeTime; emit SetFreezeTime(freezeTime); } /// @dev Internal utility to revert if caller is not freezer. // slither-disable-next-line dead-code function _onlyFreezer() internal view { if (msg.sender != _getFreezer()) { revert LibErrors.Unauthorized(msg.sender, _getFreezer()); } } /// @dev Internal utility to revert if contract is frozen. // slither-disable-next-line dead-code function _notFrozen() internal view { if (_isFrozen()) { revert Frozen(); } } /// @dev Internal utility to start the freezing procedure. /// @param freezeTimeout Timeout to add to current timestamp to define freeze timestamp // slither-disable-next-line dead-code function _freeze(uint256 freezeTimeout) internal { _notFrozen(); _onlyFreezer(); if (freezeTimeout < LibConstant.MINIMUM_FREEZE_TIMEOUT) { revert FreezeTimeoutTooLow(freezeTimeout, LibConstant.MINIMUM_FREEZE_TIMEOUT); } // overflow would revert uint256 now_ = block.timestamp; uint256 freezeTime_ = now_ + freezeTimeout; _setFreezeTime(freezeTime_); } /// @dev Internal utility to cancel the freezing procedure. // slither-disable-next-line dead-code function _cancelFreeze() internal { _notFrozen(); _onlyFreezer(); _setFreezeTime(0); } } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol) pragma solidity ^0.8.0; /** * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to * be specified by overriding the virtual {_implementation} function. * * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a * different contract through the {_delegate} function. * * The success and return data of the delegated call will be returned back to the caller of the proxy. */ abstract contract Proxy { /** * @dev Delegates the current call to `implementation`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _delegate(address implementation) internal virtual { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function * and {_fallback} should delegate. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates the current call to the address returned by `_implementation()`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _fallback() internal virtual { _beforeFallback(); _delegate(_implementation()); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other * function in the contract matches the call data. */ fallback() external payable virtual { _fallback(); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data * is empty. */ receive() external payable virtual { _fallback(); } /** * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback` * call, or as part of the Solidity `fallback` or `receive` functions. * * If overridden should call `super._beforeFallback()`. */ function _beforeFallback() internal virtual {} } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol) pragma solidity ^0.8.2; import "../beacon/IBeacon.sol"; import "../../interfaces/draft-IERC1822.sol"; import "../../utils/Address.sol"; import "../../utils/StorageSlot.sol"; /** * @dev This abstract contract provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots. * * _Available since v4.1._ */ abstract contract ERC1967Upgrade { // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1 bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143; /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Returns the current implementation address. */ function _getImplementation() internal view returns (address) { return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; } /** * @dev Stores a new address in the EIP1967 implementation slot. */ function _setImplementation(address newImplementation) private { require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Perform implementation upgrade * * Emits an {Upgraded} event. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Perform implementation upgrade with additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal { _upgradeTo(newImplementation); if (data.length > 0 || forceCall) { Address.functionDelegateCall(newImplementation, data); } } /** * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal { // Upgrades from old implementations will perform a rollback test. This test requires the new // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing // this special case will break upgrade paths from old UUPS implementation to new ones. if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) { _setImplementation(newImplementation); } else { try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) { require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID"); } catch { revert("ERC1967Upgrade: new implementation is not UUPS"); } _upgradeToAndCall(newImplementation, data, forceCall); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Returns the current admin. */ function _getAdmin() internal view returns (address) { return StorageSlot.getAddressSlot(_ADMIN_SLOT).value; } /** * @dev Stores a new address in the EIP1967 admin slot. */ function _setAdmin(address newAdmin) private { require(newAdmin != address(0), "ERC1967: new admin is the zero address"); StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. */ function _changeAdmin(address newAdmin) internal { emit AdminChanged(_getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor. */ bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Emitted when the beacon is upgraded. */ event BeaconUpgraded(address indexed beacon); /** * @dev Returns the current beacon. */ function _getBeacon() internal view returns (address) { return StorageSlot.getAddressSlot(_BEACON_SLOT).value; } /** * @dev Stores a new beacon in the EIP1967 beacon slot. */ function _setBeacon(address newBeacon) private { require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract"); require( Address.isContract(IBeacon(newBeacon).implementation()), "ERC1967: beacon implementation is not a contract" ); StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon; } /** * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that). * * Emits a {BeaconUpgraded} event. */ function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal { _setBeacon(newBeacon); emit BeaconUpgraded(newBeacon); if (data.length > 0 || forceCall) { Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data); } } } // SPDX-License-Identifier: BUSL-1.1 // SPDX-FileCopyrightText: 2023 Kiln <[email protected]> // // ██╗ ██╗██╗██╗ ███╗ ██╗ // ██║ ██╔╝██║██║ ████╗ ██║ // █████╔╝ ██║██║ ██╔██╗ ██║ // ██╔═██╗ ██║██║ ██║╚██╗██║ // ██║ ██╗██║███████╗██║ ╚████║ // ╚═╝ ╚═╝╚═╝╚══════╝╚═╝ ╚═══╝ // pragma solidity >=0.8.17; library LibErrors { error Unauthorized(address account, address expected); error InvalidZeroAddress(); error InvalidNullValue(); error InvalidBPSValue(); error InvalidEmptyString(); } // SPDX-License-Identifier: BUSL-1.1 // SPDX-FileCopyrightText: 2023 Kiln <[email protected]> // // ██╗ ██╗██╗██╗ ███╗ ██╗ // ██║ ██╔╝██║██║ ████╗ ██║ // █████╔╝ ██║██║ ██╔██╗ ██║ // ██╔═██╗ ██║██║ ██║╚██╗██║ // ██║ ██╗██║███████╗██║ ╚████║ // ╚═╝ ╚═╝╚═╝╚══════╝╚═╝ ╚═══╝ // pragma solidity >=0.8.17; library LibConstant { /// @dev The basis points value representing 100%. uint256 internal constant BASIS_POINTS_MAX = 10_000; /// @dev The size of a deposit to activate a validator. uint256 internal constant DEPOSIT_SIZE = 32 ether; /// @dev The minimum freeze timeout before freeze is active. uint256 internal constant MINIMUM_FREEZE_TIMEOUT = 100 days; /// @dev Address used to represent ETH when an address is required to identify an asset. address internal constant ETHER = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol) pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ```solidity * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._ */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol) pragma solidity ^0.8.0; /** * @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. * * {BeaconProxy} will check that this address is a contract. */ function implementation() external view returns (address); } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol) pragma solidity ^0.8.0; /** * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified * proxy whose upgrades are fully controlled by the current implementation. */ interface IERC1822Proxiable { /** * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation * address. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. */ function proxiableUUID() external view returns (bytes32); } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }