Feature Tip: Add private address tag to any address under My Name Tag !
Overview
ETH Balance
0 ETH
Eth Value
$0.00More Info
Private Name Tags
ContractCreator
View more zero value Internal Transactions in Advanced View mode
Advanced mode:
Loading...
Loading
This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
Contract Source Code Verified (Exact Match)
Contract Name:
EzoHybridge
Compiler Version
v0.8.22+commit.4fc1097e
Optimization Enabled:
Yes with 10000 runs
Other Settings:
shanghai EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: UNLICENSED // SPDX-FileCopyrightText: © 2025 EZO <[email protected]> pragma solidity 0.8.22; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/extensions/AccessControlDefaultAdminRulesUpgradeable.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; contract EzoHybridge is Initializable, UUPSUpgradeable, AccessControlDefaultAdminRulesUpgradeable { bytes32 public constant OPERATOR_ROLE = keccak256("OPERATOR_ROLE"); event Locked( address indexed asset, address indexed from, uint256 amount, bytes16 tag ); event Released(address indexed asset, address indexed to, uint256 amount); event BatchReleased(bytes32 indexed batchRoot, uint256 totalTransfers); struct Transfer { address asset; address recipient; uint256 amount; } /// @custom:oz-upgrades-unsafe-allow constructor constructor() { _disableInitializers(); } function initialize(address defaultAdmin) public initializer { __AccessControlDefaultAdminRules_init(1 days, defaultAdmin); } /// @notice Initiate cross-chain transfer with protocol-specific identifier /// @dev For ERC20: uses low-level call to transferFrom. For native currency: requires msg.value /// @param asset Token address (address(0) for native currency) /// @param amount Quantity to lock (ignored for native currency) /// @param tag Cross-chain transfer identifier (16-byte custom identifier) function lock(address asset, uint256 amount, bytes16 tag) external payable { if (asset != address(0)) { bool success; assembly { // Memory layout for ERC20 transferFrom call: // 0x00: function selector (4 bytes) // 0x04: caller address (20 bytes) // 0x24: contract address (20 bytes) // 0x44: amount (32 bytes) let ptr := mload(0x40) mstore(ptr, 0x23b872dd) // transferFrom selector mstore(add(ptr, 0x04), caller()) mstore(add(ptr, 0x24), address()) mstore(add(ptr, 0x44), amount) success := call(gas(), asset, 0, ptr, 0x64, 0, 0) } require(success, "Transfer failed"); } else { amount = msg.value; } emit Locked(asset, msg.sender, amount, tag); } /// @notice Release assets to a single recipient /// @param asset Token address (address(0) for native currency) /// @param to Recipient address /// @param amount Quantity to release /// @custom:requires OPERATOR_ROLE function release( address asset, address to, uint256 amount ) external onlyRole(OPERATOR_ROLE) { assembly { switch iszero(asset) case 1 { // Native transfer with fixed 5k gas limit let success := call(5000, to, amount, 0, 0, 0, 0) if iszero(success) { returndatacopy(0, 0, returndatasize()) revert(0, returndatasize()) } } default { // ERC20 transfer using memory buffer let ptr := mload(0x40) mstore(ptr, 0xa9059cbb) // Transfer method selector mstore(add(ptr, 0x04), to) mstore(add(ptr, 0x24), amount) let success := call(gas(), asset, 0, ptr, 0x44, 0, 0) if iszero(success) { returndatacopy(0, 0, returndatasize()) revert(0, returndatasize()) } // Only check return data if there is any if returndatasize() { mstore(0, 0) returndatacopy(0, 0, 32) // Revert if return value is false if iszero(mload(0)) { revert(0, 0) } } } } emit Released(asset, to, amount); } /// @notice Execute batch transfers with atomic reliability /// @dev Gas-efficient implementation using assembly for bulk transfers /// @param transfers Array of Transfer structs containing release instructions /// @custom:requires OPERATOR_ROLE function batchRelease( Transfer[] calldata transfers ) external onlyRole(OPERATOR_ROLE) { uint256 length = transfers.length; bytes32 batchRoot; assembly { // Gas efficient implementation of abi.encode for calldata // Copies the entire transfers array to memory and hashes it to create a unique batch identifier // Equivalent to keccak256(abi.encode(transfers)) but uses direct memory operations let size := add(0x20, mul(length, 0x60)) let calldataStart := sub(transfers.offset, 0x20) let ptr := mload(0x40) calldatacopy(ptr, calldataStart, size) batchRoot := keccak256(ptr, size) mstore(0x40, add(ptr, size)) // Iterate through transfers array in calldata // Each Transfer struct is 96 bytes (0x60): // - asset: address (20 bytes padded to 32) // - recipient: address (20 bytes padded to 32) // - amount: uint256 (32 bytes) // // For each transfer: // - If asset is 0 address, do native transfer with 5k gas limit // - Otherwise do ERC20 transfer by calling transfer(recipient, amount) // - Revert entire batch on any transfer failure let transfersOffset := transfers.offset let end := add(transfersOffset, mul(length, 0x60)) for { } lt(transfersOffset, end) { } { // Load transfer data directly from calldata let asset := calldataload(transfersOffset) let recipient := calldataload(add(transfersOffset, 0x20)) let amount := calldataload(add(transfersOffset, 0x40)) switch iszero(asset) case 1 { // Native transfer with fixed 5k gas limit let success := call(5000, recipient, amount, 0, 0, 0, 0) if iszero(success) { returndatacopy(0, 0, returndatasize()) revert(0, returndatasize()) } } default { // ERC20 transfer using memory buffer ptr := mload(0x40) mstore(ptr, 0xa9059cbb) // Transfer method selector mstore(add(ptr, 0x04), recipient) mstore(add(ptr, 0x24), amount) let success := call(gas(), asset, 0, ptr, 0x44, 0, 0) if iszero(success) { returndatacopy(0, 0, returndatasize()) revert(0, returndatasize()) } // Only check return data if there is any if returndatasize() { mstore(0, 0) returndatacopy(0, 0, 32) // Revert if return value is false if iszero(mload(0)) { revert(0, 0) } } } transfersOffset := add(transfersOffset, 0x60) } } emit BatchReleased(batchRoot, length); } function version() external view returns (uint64) { return _getInitializedVersion(); } function _authorizeUpgrade( address ) internal override onlyRole(DEFAULT_ADMIN_ROLE) {} receive() external payable {} fallback() external payable {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/AccessControl.sol) pragma solidity ^0.8.20; import {IAccessControl} from "@openzeppelin/contracts/access/IAccessControl.sol"; import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol"; import {ERC165Upgradeable} from "../utils/introspection/ERC165Upgradeable.sol"; import {Initializable} from "../proxy/utils/Initializable.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ```solidity * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ```solidity * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules} * to enforce additional security measures for this role. */ abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControl, ERC165Upgradeable { struct RoleData { mapping(address account => bool) hasRole; bytes32 adminRole; } bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /// @custom:storage-location erc7201:openzeppelin.storage.AccessControl struct AccessControlStorage { mapping(bytes32 role => RoleData) _roles; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControl")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant AccessControlStorageLocation = 0x02dd7bc7dec4dceedda775e58dd541e08a116c6c53815c0bd028192f7b626800; function _getAccessControlStorage() private pure returns (AccessControlStorage storage $) { assembly { $.slot := AccessControlStorageLocation } } /** * @dev Modifier that checks that an account has a specific role. Reverts * with an {AccessControlUnauthorizedAccount} error including the required role. */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } function __AccessControl_init() internal onlyInitializing { } function __AccessControl_init_unchained() internal onlyInitializing { } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual returns (bool) { AccessControlStorage storage $ = _getAccessControlStorage(); return $._roles[role].hasRole[account]; } /** * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()` * is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier. */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account` * is missing `role`. */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert AccessControlUnauthorizedAccount(account, role); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) { AccessControlStorage storage $ = _getAccessControlStorage(); return $._roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `callerConfirmation`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address callerConfirmation) public virtual { if (callerConfirmation != _msgSender()) { revert AccessControlBadConfirmation(); } _revokeRole(role, callerConfirmation); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { AccessControlStorage storage $ = _getAccessControlStorage(); bytes32 previousAdminRole = getRoleAdmin(role); $._roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual returns (bool) { AccessControlStorage storage $ = _getAccessControlStorage(); if (!hasRole(role, account)) { $._roles[role].hasRole[account] = true; emit RoleGranted(role, account, _msgSender()); return true; } else { return false; } } /** * @dev Attempts to revoke `role` to `account` and returns a boolean indicating if `role` was revoked. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual returns (bool) { AccessControlStorage storage $ = _getAccessControlStorage(); if (hasRole(role, account)) { $._roles[role].hasRole[account] = false; emit RoleRevoked(role, account, _msgSender()); return true; } else { return false; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/extensions/AccessControlDefaultAdminRules.sol) pragma solidity ^0.8.20; import {IAccessControlDefaultAdminRules} from "@openzeppelin/contracts/access/extensions/IAccessControlDefaultAdminRules.sol"; import {AccessControlUpgradeable} from "../AccessControlUpgradeable.sol"; import {IAccessControl} from "@openzeppelin/contracts/access/IAccessControl.sol"; import {SafeCast} from "@openzeppelin/contracts/utils/math/SafeCast.sol"; import {Math} from "@openzeppelin/contracts/utils/math/Math.sol"; import {IERC5313} from "@openzeppelin/contracts/interfaces/IERC5313.sol"; import {Initializable} from "../../proxy/utils/Initializable.sol"; /** * @dev Extension of {AccessControl} that allows specifying special rules to manage * the `DEFAULT_ADMIN_ROLE` holder, which is a sensitive role with special permissions * over other roles that may potentially have privileged rights in the system. * * If a specific role doesn't have an admin role assigned, the holder of the * `DEFAULT_ADMIN_ROLE` will have the ability to grant it and revoke it. * * This contract implements the following risk mitigations on top of {AccessControl}: * * * Only one account holds the `DEFAULT_ADMIN_ROLE` since deployment until it's potentially renounced. * * Enforces a 2-step process to transfer the `DEFAULT_ADMIN_ROLE` to another account. * * Enforces a configurable delay between the two steps, with the ability to cancel before the transfer is accepted. * * The delay can be changed by scheduling, see {changeDefaultAdminDelay}. * * It is not possible to use another role to manage the `DEFAULT_ADMIN_ROLE`. * * Example usage: * * ```solidity * contract MyToken is AccessControlDefaultAdminRules { * constructor() AccessControlDefaultAdminRules( * 3 days, * msg.sender // Explicit initial `DEFAULT_ADMIN_ROLE` holder * ) {} * } * ``` */ abstract contract AccessControlDefaultAdminRulesUpgradeable is Initializable, IAccessControlDefaultAdminRules, IERC5313, AccessControlUpgradeable { /// @custom:storage-location erc7201:openzeppelin.storage.AccessControlDefaultAdminRules struct AccessControlDefaultAdminRulesStorage { // pending admin pair read/written together frequently address _pendingDefaultAdmin; uint48 _pendingDefaultAdminSchedule; // 0 == unset uint48 _currentDelay; address _currentDefaultAdmin; // pending delay pair read/written together frequently uint48 _pendingDelay; uint48 _pendingDelaySchedule; // 0 == unset } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControlDefaultAdminRules")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant AccessControlDefaultAdminRulesStorageLocation = 0xeef3dac4538c82c8ace4063ab0acd2d15cdb5883aa1dff7c2673abb3d8698400; function _getAccessControlDefaultAdminRulesStorage() private pure returns (AccessControlDefaultAdminRulesStorage storage $) { assembly { $.slot := AccessControlDefaultAdminRulesStorageLocation } } /** * @dev Sets the initial values for {defaultAdminDelay} and {defaultAdmin} address. */ function __AccessControlDefaultAdminRules_init(uint48 initialDelay, address initialDefaultAdmin) internal onlyInitializing { __AccessControlDefaultAdminRules_init_unchained(initialDelay, initialDefaultAdmin); } function __AccessControlDefaultAdminRules_init_unchained(uint48 initialDelay, address initialDefaultAdmin) internal onlyInitializing { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); if (initialDefaultAdmin == address(0)) { revert AccessControlInvalidDefaultAdmin(address(0)); } $._currentDelay = initialDelay; _grantRole(DEFAULT_ADMIN_ROLE, initialDefaultAdmin); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlDefaultAdminRules).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC5313-owner}. */ function owner() public view virtual returns (address) { return defaultAdmin(); } /// /// Override AccessControl role management /// /** * @dev See {AccessControl-grantRole}. Reverts for `DEFAULT_ADMIN_ROLE`. */ function grantRole(bytes32 role, address account) public virtual override(AccessControlUpgradeable, IAccessControl) { if (role == DEFAULT_ADMIN_ROLE) { revert AccessControlEnforcedDefaultAdminRules(); } super.grantRole(role, account); } /** * @dev See {AccessControl-revokeRole}. Reverts for `DEFAULT_ADMIN_ROLE`. */ function revokeRole(bytes32 role, address account) public virtual override(AccessControlUpgradeable, IAccessControl) { if (role == DEFAULT_ADMIN_ROLE) { revert AccessControlEnforcedDefaultAdminRules(); } super.revokeRole(role, account); } /** * @dev See {AccessControl-renounceRole}. * * For the `DEFAULT_ADMIN_ROLE`, it only allows renouncing in two steps by first calling * {beginDefaultAdminTransfer} to the `address(0)`, so it's required that the {pendingDefaultAdmin} schedule * has also passed when calling this function. * * After its execution, it will not be possible to call `onlyRole(DEFAULT_ADMIN_ROLE)` functions. * * NOTE: Renouncing `DEFAULT_ADMIN_ROLE` will leave the contract without a {defaultAdmin}, * thereby disabling any functionality that is only available for it, and the possibility of reassigning a * non-administrated role. */ function renounceRole(bytes32 role, address account) public virtual override(AccessControlUpgradeable, IAccessControl) { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); if (role == DEFAULT_ADMIN_ROLE && account == defaultAdmin()) { (address newDefaultAdmin, uint48 schedule) = pendingDefaultAdmin(); if (newDefaultAdmin != address(0) || !_isScheduleSet(schedule) || !_hasSchedulePassed(schedule)) { revert AccessControlEnforcedDefaultAdminDelay(schedule); } delete $._pendingDefaultAdminSchedule; } super.renounceRole(role, account); } /** * @dev See {AccessControl-_grantRole}. * * For `DEFAULT_ADMIN_ROLE`, it only allows granting if there isn't already a {defaultAdmin} or if the * role has been previously renounced. * * NOTE: Exposing this function through another mechanism may make the `DEFAULT_ADMIN_ROLE` * assignable again. Make sure to guarantee this is the expected behavior in your implementation. */ function _grantRole(bytes32 role, address account) internal virtual override returns (bool) { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); if (role == DEFAULT_ADMIN_ROLE) { if (defaultAdmin() != address(0)) { revert AccessControlEnforcedDefaultAdminRules(); } $._currentDefaultAdmin = account; } return super._grantRole(role, account); } /** * @dev See {AccessControl-_revokeRole}. */ function _revokeRole(bytes32 role, address account) internal virtual override returns (bool) { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); if (role == DEFAULT_ADMIN_ROLE && account == defaultAdmin()) { delete $._currentDefaultAdmin; } return super._revokeRole(role, account); } /** * @dev See {AccessControl-_setRoleAdmin}. Reverts for `DEFAULT_ADMIN_ROLE`. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual override { if (role == DEFAULT_ADMIN_ROLE) { revert AccessControlEnforcedDefaultAdminRules(); } super._setRoleAdmin(role, adminRole); } /// /// AccessControlDefaultAdminRules accessors /// /** * @inheritdoc IAccessControlDefaultAdminRules */ function defaultAdmin() public view virtual returns (address) { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); return $._currentDefaultAdmin; } /** * @inheritdoc IAccessControlDefaultAdminRules */ function pendingDefaultAdmin() public view virtual returns (address newAdmin, uint48 schedule) { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); return ($._pendingDefaultAdmin, $._pendingDefaultAdminSchedule); } /** * @inheritdoc IAccessControlDefaultAdminRules */ function defaultAdminDelay() public view virtual returns (uint48) { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); uint48 schedule = $._pendingDelaySchedule; return (_isScheduleSet(schedule) && _hasSchedulePassed(schedule)) ? $._pendingDelay : $._currentDelay; } /** * @inheritdoc IAccessControlDefaultAdminRules */ function pendingDefaultAdminDelay() public view virtual returns (uint48 newDelay, uint48 schedule) { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); schedule = $._pendingDelaySchedule; return (_isScheduleSet(schedule) && !_hasSchedulePassed(schedule)) ? ($._pendingDelay, schedule) : (0, 0); } /** * @inheritdoc IAccessControlDefaultAdminRules */ function defaultAdminDelayIncreaseWait() public view virtual returns (uint48) { return 5 days; } /// /// AccessControlDefaultAdminRules public and internal setters for defaultAdmin/pendingDefaultAdmin /// /** * @inheritdoc IAccessControlDefaultAdminRules */ function beginDefaultAdminTransfer(address newAdmin) public virtual onlyRole(DEFAULT_ADMIN_ROLE) { _beginDefaultAdminTransfer(newAdmin); } /** * @dev See {beginDefaultAdminTransfer}. * * Internal function without access restriction. */ function _beginDefaultAdminTransfer(address newAdmin) internal virtual { uint48 newSchedule = SafeCast.toUint48(block.timestamp) + defaultAdminDelay(); _setPendingDefaultAdmin(newAdmin, newSchedule); emit DefaultAdminTransferScheduled(newAdmin, newSchedule); } /** * @inheritdoc IAccessControlDefaultAdminRules */ function cancelDefaultAdminTransfer() public virtual onlyRole(DEFAULT_ADMIN_ROLE) { _cancelDefaultAdminTransfer(); } /** * @dev See {cancelDefaultAdminTransfer}. * * Internal function without access restriction. */ function _cancelDefaultAdminTransfer() internal virtual { _setPendingDefaultAdmin(address(0), 0); } /** * @inheritdoc IAccessControlDefaultAdminRules */ function acceptDefaultAdminTransfer() public virtual { (address newDefaultAdmin, ) = pendingDefaultAdmin(); if (_msgSender() != newDefaultAdmin) { // Enforce newDefaultAdmin explicit acceptance. revert AccessControlInvalidDefaultAdmin(_msgSender()); } _acceptDefaultAdminTransfer(); } /** * @dev See {acceptDefaultAdminTransfer}. * * Internal function without access restriction. */ function _acceptDefaultAdminTransfer() internal virtual { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); (address newAdmin, uint48 schedule) = pendingDefaultAdmin(); if (!_isScheduleSet(schedule) || !_hasSchedulePassed(schedule)) { revert AccessControlEnforcedDefaultAdminDelay(schedule); } _revokeRole(DEFAULT_ADMIN_ROLE, defaultAdmin()); _grantRole(DEFAULT_ADMIN_ROLE, newAdmin); delete $._pendingDefaultAdmin; delete $._pendingDefaultAdminSchedule; } /// /// AccessControlDefaultAdminRules public and internal setters for defaultAdminDelay/pendingDefaultAdminDelay /// /** * @inheritdoc IAccessControlDefaultAdminRules */ function changeDefaultAdminDelay(uint48 newDelay) public virtual onlyRole(DEFAULT_ADMIN_ROLE) { _changeDefaultAdminDelay(newDelay); } /** * @dev See {changeDefaultAdminDelay}. * * Internal function without access restriction. */ function _changeDefaultAdminDelay(uint48 newDelay) internal virtual { uint48 newSchedule = SafeCast.toUint48(block.timestamp) + _delayChangeWait(newDelay); _setPendingDelay(newDelay, newSchedule); emit DefaultAdminDelayChangeScheduled(newDelay, newSchedule); } /** * @inheritdoc IAccessControlDefaultAdminRules */ function rollbackDefaultAdminDelay() public virtual onlyRole(DEFAULT_ADMIN_ROLE) { _rollbackDefaultAdminDelay(); } /** * @dev See {rollbackDefaultAdminDelay}. * * Internal function without access restriction. */ function _rollbackDefaultAdminDelay() internal virtual { _setPendingDelay(0, 0); } /** * @dev Returns the amount of seconds to wait after the `newDelay` will * become the new {defaultAdminDelay}. * * The value returned guarantees that if the delay is reduced, it will go into effect * after a wait that honors the previously set delay. * * See {defaultAdminDelayIncreaseWait}. */ function _delayChangeWait(uint48 newDelay) internal view virtual returns (uint48) { uint48 currentDelay = defaultAdminDelay(); // When increasing the delay, we schedule the delay change to occur after a period of "new delay" has passed, up // to a maximum given by defaultAdminDelayIncreaseWait, by default 5 days. For example, if increasing from 1 day // to 3 days, the new delay will come into effect after 3 days. If increasing from 1 day to 10 days, the new // delay will come into effect after 5 days. The 5 day wait period is intended to be able to fix an error like // using milliseconds instead of seconds. // // When decreasing the delay, we wait the difference between "current delay" and "new delay". This guarantees // that an admin transfer cannot be made faster than "current delay" at the time the delay change is scheduled. // For example, if decreasing from 10 days to 3 days, the new delay will come into effect after 7 days. return newDelay > currentDelay ? uint48(Math.min(newDelay, defaultAdminDelayIncreaseWait())) // no need to safecast, both inputs are uint48 : currentDelay - newDelay; } /// /// Private setters /// /** * @dev Setter of the tuple for pending admin and its schedule. * * May emit a DefaultAdminTransferCanceled event. */ function _setPendingDefaultAdmin(address newAdmin, uint48 newSchedule) private { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); (, uint48 oldSchedule) = pendingDefaultAdmin(); $._pendingDefaultAdmin = newAdmin; $._pendingDefaultAdminSchedule = newSchedule; // An `oldSchedule` from `pendingDefaultAdmin()` is only set if it hasn't been accepted. if (_isScheduleSet(oldSchedule)) { // Emit for implicit cancellations when another default admin was scheduled. emit DefaultAdminTransferCanceled(); } } /** * @dev Setter of the tuple for pending delay and its schedule. * * May emit a DefaultAdminDelayChangeCanceled event. */ function _setPendingDelay(uint48 newDelay, uint48 newSchedule) private { AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage(); uint48 oldSchedule = $._pendingDelaySchedule; if (_isScheduleSet(oldSchedule)) { if (_hasSchedulePassed(oldSchedule)) { // Materialize a virtual delay $._currentDelay = $._pendingDelay; } else { // Emit for implicit cancellations when another delay was scheduled. emit DefaultAdminDelayChangeCanceled(); } } $._pendingDelay = newDelay; $._pendingDelaySchedule = newSchedule; } /// /// Private helpers /// /** * @dev Defines if an `schedule` is considered set. For consistency purposes. */ function _isScheduleSet(uint48 schedule) private pure returns (bool) { return schedule != 0; } /** * @dev Defines if an `schedule` is considered passed. For consistency purposes. */ function _hasSchedulePassed(uint48 schedule) private view returns (bool) { return schedule < block.timestamp; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.20; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ```solidity * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Storage of the initializable contract. * * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions * when using with upgradeable contracts. * * @custom:storage-location erc7201:openzeppelin.storage.Initializable */ struct InitializableStorage { /** * @dev Indicates that the contract has been initialized. */ uint64 _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool _initializing; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00; /** * @dev The contract is already initialized. */ error InvalidInitialization(); /** * @dev The contract is not initializing. */ error NotInitializing(); /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint64 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. * * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in * production. * * Emits an {Initialized} event. */ modifier initializer() { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); // Cache values to avoid duplicated sloads bool isTopLevelCall = !$._initializing; uint64 initialized = $._initialized; // Allowed calls: // - initialSetup: the contract is not in the initializing state and no previous version was // initialized // - construction: the contract is initialized at version 1 (no reininitialization) and the // current contract is just being deployed bool initialSetup = initialized == 0 && isTopLevelCall; bool construction = initialized == 1 && address(this).code.length == 0; if (!initialSetup && !construction) { revert InvalidInitialization(); } $._initialized = 1; if (isTopLevelCall) { $._initializing = true; } _; if (isTopLevelCall) { $._initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * A reinitializer may be used after the original initialization step. This is essential to configure modules that * are added through upgrades and that require initialization. * * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer` * cannot be nested. If one is invoked in the context of another, execution will revert. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. * * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization. * * Emits an {Initialized} event. */ modifier reinitializer(uint64 version) { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); if ($._initializing || $._initialized >= version) { revert InvalidInitialization(); } $._initialized = version; $._initializing = true; _; $._initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { _checkInitializing(); _; } /** * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}. */ function _checkInitializing() internal view virtual { if (!_isInitializing()) { revert NotInitializing(); } } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. * * Emits an {Initialized} event the first time it is successfully executed. */ function _disableInitializers() internal virtual { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); if ($._initializing) { revert InvalidInitialization(); } if ($._initialized != type(uint64).max) { $._initialized = type(uint64).max; emit Initialized(type(uint64).max); } } /** * @dev Returns the highest version that has been initialized. See {reinitializer}. */ function _getInitializedVersion() internal view returns (uint64) { return _getInitializableStorage()._initialized; } /** * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}. */ function _isInitializing() internal view returns (bool) { return _getInitializableStorage()._initializing; } /** * @dev Returns a pointer to the storage namespace. */ // solhint-disable-next-line var-name-mixedcase function _getInitializableStorage() private pure returns (InitializableStorage storage $) { assembly { $.slot := INITIALIZABLE_STORAGE } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.2.0) (proxy/utils/UUPSUpgradeable.sol) pragma solidity ^0.8.22; import {IERC1822Proxiable} from "@openzeppelin/contracts/interfaces/draft-IERC1822.sol"; import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol"; import {Initializable} from "./Initializable.sol"; /** * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy. * * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing * `UUPSUpgradeable` with a custom implementation of upgrades. * * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism. */ abstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable { /// @custom:oz-upgrades-unsafe-allow state-variable-immutable address private immutable __self = address(this); /** * @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgradeTo(address)` * and `upgradeToAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called, * while `upgradeToAndCall` will invoke the `receive` function if the second argument is the empty byte string. * If the getter returns `"5.0.0"`, only `upgradeToAndCall(address,bytes)` is present, and the second argument must * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function * during an upgrade. */ string public constant UPGRADE_INTERFACE_VERSION = "5.0.0"; /** * @dev The call is from an unauthorized context. */ error UUPSUnauthorizedCallContext(); /** * @dev The storage `slot` is unsupported as a UUID. */ error UUPSUnsupportedProxiableUUID(bytes32 slot); /** * @dev Check that the execution is being performed through a delegatecall call and that the execution context is * a proxy contract with an implementation (as defined in ERC-1967) pointing to self. This should only be the case * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a * function through ERC-1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to * fail. */ modifier onlyProxy() { _checkProxy(); _; } /** * @dev Check that the execution is not being performed through a delegate call. This allows a function to be * callable on the implementing contract but not through proxies. */ modifier notDelegated() { _checkNotDelegated(); _; } function __UUPSUpgradeable_init() internal onlyInitializing { } function __UUPSUpgradeable_init_unchained() internal onlyInitializing { } /** * @dev Implementation of the ERC-1822 {proxiableUUID} function. This returns the storage slot used by the * implementation. It is used to validate the implementation's compatibility when performing an upgrade. * * 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. This is guaranteed by the `notDelegated` modifier. */ function proxiableUUID() external view virtual notDelegated returns (bytes32) { return ERC1967Utils.IMPLEMENTATION_SLOT; } /** * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call * encoded in `data`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. * * @custom:oz-upgrades-unsafe-allow-reachable delegatecall */ function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, data); } /** * @dev Reverts if the execution is not performed via delegatecall or the execution * context is not of a proxy with an ERC-1967 compliant implementation pointing to self. * See {_onlyProxy}. */ function _checkProxy() internal view virtual { if ( address(this) == __self || // Must be called through delegatecall ERC1967Utils.getImplementation() != __self // Must be called through an active proxy ) { revert UUPSUnauthorizedCallContext(); } } /** * @dev Reverts if the execution is performed via delegatecall. * See {notDelegated}. */ function _checkNotDelegated() internal view virtual { if (address(this) != __self) { // Must not be called through delegatecall revert UUPSUnauthorizedCallContext(); } } /** * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by * {upgradeToAndCall}. * * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}. * * ```solidity * function _authorizeUpgrade(address) internal onlyOwner {} * ``` */ function _authorizeUpgrade(address newImplementation) internal virtual; /** * @dev Performs an implementation upgrade with a security check for UUPS proxies, and additional setup call. * * As a security check, {proxiableUUID} is invoked in the new implementation, and the return value * is expected to be the implementation slot in ERC-1967. * * Emits an {IERC1967-Upgraded} event. */ function _upgradeToAndCallUUPS(address newImplementation, bytes memory data) private { try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) { if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) { revert UUPSUnsupportedProxiableUUID(slot); } ERC1967Utils.upgradeToAndCall(newImplementation, data); } catch { // The implementation is not UUPS revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; import {Initializable} from "../proxy/utils/Initializable.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 ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } 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; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/ERC165.sol) pragma solidity ^0.8.20; import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import {Initializable} from "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` */ abstract contract ERC165Upgradeable is Initializable, IERC165 { function __ERC165_init() internal onlyInitializing { } function __ERC165_init_unchained() internal onlyInitializing { } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (access/extensions/IAccessControlDefaultAdminRules.sol) pragma solidity ^0.8.20; import {IAccessControl} from "../IAccessControl.sol"; /** * @dev External interface of AccessControlDefaultAdminRules declared to support ERC-165 detection. */ interface IAccessControlDefaultAdminRules is IAccessControl { /** * @dev The new default admin is not a valid default admin. */ error AccessControlInvalidDefaultAdmin(address defaultAdmin); /** * @dev At least one of the following rules was violated: * * - The `DEFAULT_ADMIN_ROLE` must only be managed by itself. * - The `DEFAULT_ADMIN_ROLE` must only be held by one account at the time. * - Any `DEFAULT_ADMIN_ROLE` transfer must be in two delayed steps. */ error AccessControlEnforcedDefaultAdminRules(); /** * @dev The delay for transferring the default admin delay is enforced and * the operation must wait until `schedule`. * * NOTE: `schedule` can be 0 indicating there's no transfer scheduled. */ error AccessControlEnforcedDefaultAdminDelay(uint48 schedule); /** * @dev Emitted when a {defaultAdmin} transfer is started, setting `newAdmin` as the next * address to become the {defaultAdmin} by calling {acceptDefaultAdminTransfer} only after `acceptSchedule` * passes. */ event DefaultAdminTransferScheduled(address indexed newAdmin, uint48 acceptSchedule); /** * @dev Emitted when a {pendingDefaultAdmin} is reset if it was never accepted, regardless of its schedule. */ event DefaultAdminTransferCanceled(); /** * @dev Emitted when a {defaultAdminDelay} change is started, setting `newDelay` as the next * delay to be applied between default admin transfer after `effectSchedule` has passed. */ event DefaultAdminDelayChangeScheduled(uint48 newDelay, uint48 effectSchedule); /** * @dev Emitted when a {pendingDefaultAdminDelay} is reset if its schedule didn't pass. */ event DefaultAdminDelayChangeCanceled(); /** * @dev Returns the address of the current `DEFAULT_ADMIN_ROLE` holder. */ function defaultAdmin() external view returns (address); /** * @dev Returns a tuple of a `newAdmin` and an accept schedule. * * After the `schedule` passes, the `newAdmin` will be able to accept the {defaultAdmin} role * by calling {acceptDefaultAdminTransfer}, completing the role transfer. * * A zero value only in `acceptSchedule` indicates no pending admin transfer. * * NOTE: A zero address `newAdmin` means that {defaultAdmin} is being renounced. */ function pendingDefaultAdmin() external view returns (address newAdmin, uint48 acceptSchedule); /** * @dev Returns the delay required to schedule the acceptance of a {defaultAdmin} transfer started. * * This delay will be added to the current timestamp when calling {beginDefaultAdminTransfer} to set * the acceptance schedule. * * NOTE: If a delay change has been scheduled, it will take effect as soon as the schedule passes, making this * function returns the new delay. See {changeDefaultAdminDelay}. */ function defaultAdminDelay() external view returns (uint48); /** * @dev Returns a tuple of `newDelay` and an effect schedule. * * After the `schedule` passes, the `newDelay` will get into effect immediately for every * new {defaultAdmin} transfer started with {beginDefaultAdminTransfer}. * * A zero value only in `effectSchedule` indicates no pending delay change. * * NOTE: A zero value only for `newDelay` means that the next {defaultAdminDelay} * will be zero after the effect schedule. */ function pendingDefaultAdminDelay() external view returns (uint48 newDelay, uint48 effectSchedule); /** * @dev Starts a {defaultAdmin} transfer by setting a {pendingDefaultAdmin} scheduled for acceptance * after the current timestamp plus a {defaultAdminDelay}. * * Requirements: * * - Only can be called by the current {defaultAdmin}. * * Emits a DefaultAdminRoleChangeStarted event. */ function beginDefaultAdminTransfer(address newAdmin) external; /** * @dev Cancels a {defaultAdmin} transfer previously started with {beginDefaultAdminTransfer}. * * A {pendingDefaultAdmin} not yet accepted can also be cancelled with this function. * * Requirements: * * - Only can be called by the current {defaultAdmin}. * * May emit a DefaultAdminTransferCanceled event. */ function cancelDefaultAdminTransfer() external; /** * @dev Completes a {defaultAdmin} transfer previously started with {beginDefaultAdminTransfer}. * * After calling the function: * * - `DEFAULT_ADMIN_ROLE` should be granted to the caller. * - `DEFAULT_ADMIN_ROLE` should be revoked from the previous holder. * - {pendingDefaultAdmin} should be reset to zero values. * * Requirements: * * - Only can be called by the {pendingDefaultAdmin}'s `newAdmin`. * - The {pendingDefaultAdmin}'s `acceptSchedule` should've passed. */ function acceptDefaultAdminTransfer() external; /** * @dev Initiates a {defaultAdminDelay} update by setting a {pendingDefaultAdminDelay} scheduled for getting * into effect after the current timestamp plus a {defaultAdminDelay}. * * This function guarantees that any call to {beginDefaultAdminTransfer} done between the timestamp this * method is called and the {pendingDefaultAdminDelay} effect schedule will use the current {defaultAdminDelay} * set before calling. * * The {pendingDefaultAdminDelay}'s effect schedule is defined in a way that waiting until the schedule and then * calling {beginDefaultAdminTransfer} with the new delay will take at least the same as another {defaultAdmin} * complete transfer (including acceptance). * * The schedule is designed for two scenarios: * * - When the delay is changed for a larger one the schedule is `block.timestamp + newDelay` capped by * {defaultAdminDelayIncreaseWait}. * - When the delay is changed for a shorter one, the schedule is `block.timestamp + (current delay - new delay)`. * * A {pendingDefaultAdminDelay} that never got into effect will be canceled in favor of a new scheduled change. * * Requirements: * * - Only can be called by the current {defaultAdmin}. * * Emits a DefaultAdminDelayChangeScheduled event and may emit a DefaultAdminDelayChangeCanceled event. */ function changeDefaultAdminDelay(uint48 newDelay) external; /** * @dev Cancels a scheduled {defaultAdminDelay} change. * * Requirements: * * - Only can be called by the current {defaultAdmin}. * * May emit a DefaultAdminDelayChangeCanceled event. */ function rollbackDefaultAdminDelay() external; /** * @dev Maximum time in seconds for an increase to {defaultAdminDelay} (that is scheduled using {changeDefaultAdminDelay}) * to take effect. Default to 5 days. * * When the {defaultAdminDelay} is scheduled to be increased, it goes into effect after the new delay has passed with * the purpose of giving enough time for reverting any accidental change (i.e. using milliseconds instead of seconds) * that may lock the contract. However, to avoid excessive schedules, the wait is capped by this function and it can * be overrode for a custom {defaultAdminDelay} increase scheduling. * * IMPORTANT: Make sure to add a reasonable amount of time while overriding this value, otherwise, * there's a risk of setting a high new delay that goes into effect almost immediately without the * possibility of human intervention in the case of an input error (eg. set milliseconds instead of seconds). */ function defaultAdminDelayIncreaseWait() external view returns (uint48); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (access/IAccessControl.sol) pragma solidity ^0.8.20; /** * @dev External interface of AccessControl declared to support ERC-165 detection. */ interface IAccessControl { /** * @dev The `account` is missing a role. */ error AccessControlUnauthorizedAccount(address account, bytes32 neededRole); /** * @dev The caller of a function is not the expected one. * * NOTE: Don't confuse with {AccessControlUnauthorizedAccount}. */ error AccessControlBadConfirmation(); /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call. This account bears the admin role (for the granted role). * Expected in cases where the role was granted using the internal {AccessControl-_grantRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `callerConfirmation`. */ function renounceRole(bytes32 role, address callerConfirmation) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC1822.sol) pragma solidity ^0.8.20; /** * @dev ERC-1822: 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 v5.0.0) (interfaces/IERC1967.sol) pragma solidity ^0.8.20; /** * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC. */ interface IERC1967 { /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Emitted when the beacon is changed. */ event BeaconUpgraded(address indexed beacon); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5313.sol) pragma solidity ^0.8.20; /** * @dev Interface for the Light Contract Ownership Standard. * * A standardized minimal interface required to identify an account that controls a contract */ interface IERC5313 { /** * @dev Gets the address of the owner. */ function owner() external view returns (address); }
// 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.2.0) (proxy/ERC1967/ERC1967Utils.sol) pragma solidity ^0.8.22; import {IBeacon} from "../beacon/IBeacon.sol"; import {IERC1967} from "../../interfaces/IERC1967.sol"; import {Address} from "../../utils/Address.sol"; import {StorageSlot} from "../../utils/StorageSlot.sol"; /** * @dev This library provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[ERC-1967] slots. */ library ERC1967Utils { /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev The `implementation` of the proxy is invalid. */ error ERC1967InvalidImplementation(address implementation); /** * @dev The `admin` of the proxy is invalid. */ error ERC1967InvalidAdmin(address admin); /** * @dev The `beacon` of the proxy is invalid. */ error ERC1967InvalidBeacon(address beacon); /** * @dev An upgrade function sees `msg.value > 0` that may be lost. */ error ERC1967NonPayable(); /** * @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 ERC-1967 implementation slot. */ function _setImplementation(address newImplementation) private { if (newImplementation.code.length == 0) { revert ERC1967InvalidImplementation(newImplementation); } StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Performs implementation upgrade with additional setup call if data is nonempty. * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected * to avoid stuck value in the contract. * * Emits an {IERC1967-Upgraded} event. */ function upgradeToAndCall(address newImplementation, bytes memory data) internal { _setImplementation(newImplementation); emit IERC1967.Upgraded(newImplementation); if (data.length > 0) { Address.functionDelegateCall(newImplementation, data); } else { _checkNonPayable(); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Returns the current admin. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by ERC-1967) using * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103` */ function getAdmin() internal view returns (address) { return StorageSlot.getAddressSlot(ADMIN_SLOT).value; } /** * @dev Stores a new address in the ERC-1967 admin slot. */ function _setAdmin(address newAdmin) private { if (newAdmin == address(0)) { revert ERC1967InvalidAdmin(address(0)); } StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {IERC1967-AdminChanged} event. */ function changeAdmin(address newAdmin) internal { emit IERC1967.AdminChanged(getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Returns the current beacon. */ function getBeacon() internal view returns (address) { return StorageSlot.getAddressSlot(BEACON_SLOT).value; } /** * @dev Stores a new beacon in the ERC-1967 beacon slot. */ function _setBeacon(address newBeacon) private { if (newBeacon.code.length == 0) { revert ERC1967InvalidBeacon(newBeacon); } StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon; address beaconImplementation = IBeacon(newBeacon).implementation(); if (beaconImplementation.code.length == 0) { revert ERC1967InvalidImplementation(beaconImplementation); } } /** * @dev Change the beacon and trigger a setup call if data is nonempty. * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected * to avoid stuck value in the contract. * * Emits an {IERC1967-BeaconUpgraded} event. * * CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for * efficiency. */ function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal { _setBeacon(newBeacon); emit IERC1967.BeaconUpgraded(newBeacon); if (data.length > 0) { Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data); } else { _checkNonPayable(); } } /** * @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract * if an upgrade doesn't perform an initialization call. */ function _checkNonPayable() private { if (msg.value > 0) { revert ERC1967NonPayable(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC-20 standard as defined in the ERC. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the value of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the value of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves a `value` amount of tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 value) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets a `value` amount of tokens as the allowance of `spender` over the * caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the * allowance mechanism. `value` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.2.0) (utils/Address.sol) pragma solidity ^0.8.20; import {Errors} from "./Errors.sol"; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev There's no code at `target` (it is not a contract). */ error AddressEmptyCode(address target); /** * @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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { if (address(this).balance < amount) { revert Errors.InsufficientBalance(address(this).balance, amount); } (bool success, bytes memory returndata) = recipient.call{value: amount}(""); if (!success) { _revert(returndata); } } /** * @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 or custom error, it is bubbled * up by this function (like regular Solidity function calls). However, if * the call reverted with no returned reason, this function reverts with a * {Errors.FailedCall} error. * * 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. */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0); } /** * @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`. */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { if (address(this).balance < value) { revert Errors.InsufficientBalance(address(this).balance, value); } (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target * was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case * of an unsuccessful call. */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata ) internal view returns (bytes memory) { if (!success) { _revert(returndata); } else { // only check if target is a contract if the call was successful and the return data is empty // otherwise we already know that it was a contract if (returndata.length == 0 && target.code.length == 0) { revert AddressEmptyCode(target); } return returndata; } } /** * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the * revert reason or with a default {Errors.FailedCall} error. */ function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) { if (!success) { _revert(returndata); } else { return returndata; } } /** * @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}. */ function _revert(bytes memory returndata) 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 assembly ("memory-safe") { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert Errors.FailedCall(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol) pragma solidity ^0.8.20; /** * @dev Collection of common custom errors used in multiple contracts * * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library. * It is recommended to avoid relying on the error API for critical functionality. * * _Available since v5.1._ */ library Errors { /** * @dev The ETH balance of the account is not enough to perform the operation. */ error InsufficientBalance(uint256 balance, uint256 needed); /** * @dev A call to an address target failed. The target may have reverted. */ error FailedCall(); /** * @dev The deployment failed. */ error FailedDeployment(); /** * @dev A necessary precompile is missing. */ error MissingPrecompile(address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC-165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[ERC]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/Math.sol) pragma solidity ^0.8.20; import {Panic} from "../Panic.sol"; import {SafeCast} from "./SafeCast.sol"; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { 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 success flag (no overflow). */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow). */ function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow). */ function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a success flag (no division by zero). */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero). */ function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant. * * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone. * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute * one branch when needed, making this function more expensive. */ function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) { unchecked { // branchless ternary works because: // b ^ (a ^ b) == a // b ^ 0 == b return b ^ ((a ^ b) * SafeCast.toUint(condition)); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return ternary(a > b, a, b); } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return ternary(a < b, a, b); } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. Panic.panic(Panic.DIVISION_BY_ZERO); } // The following calculation ensures accurate ceiling division without overflow. // Since a is non-zero, (a - 1) / b will not overflow. // The largest possible result occurs when (a - 1) / b is type(uint256).max, // but the largest value we can obtain is type(uint256).max - 1, which happens // when a = type(uint256).max and b = 1. unchecked { return SafeCast.toUint(a > 0) * ((a - 1) / b + 1); } } /** * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2²⁵⁶ + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0. if (denominator <= prod1) { Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW)); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv ≡ 1 mod 2⁴. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2⁸ inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶ inverse *= 2 - denominator * inverse; // inverse mod 2³² inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴ inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸ inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶ // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @dev Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0); } /** * @dev Calculate the modular multiplicative inverse of a number in Z/nZ. * * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0. * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible. * * If the input value is not inversible, 0 is returned. * * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}. */ function invMod(uint256 a, uint256 n) internal pure returns (uint256) { unchecked { if (n == 0) return 0; // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version) // Used to compute integers x and y such that: ax + ny = gcd(a, n). // When the gcd is 1, then the inverse of a modulo n exists and it's x. // ax + ny = 1 // ax = 1 + (-y)n // ax ≡ 1 (mod n) # x is the inverse of a modulo n // If the remainder is 0 the gcd is n right away. uint256 remainder = a % n; uint256 gcd = n; // Therefore the initial coefficients are: // ax + ny = gcd(a, n) = n // 0a + 1n = n int256 x = 0; int256 y = 1; while (remainder != 0) { uint256 quotient = gcd / remainder; (gcd, remainder) = ( // The old remainder is the next gcd to try. remainder, // Compute the next remainder. // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd // where gcd is at most n (capped to type(uint256).max) gcd - remainder * quotient ); (x, y) = ( // Increment the coefficient of a. y, // Decrement the coefficient of n. // Can overflow, but the result is casted to uint256 so that the // next value of y is "wrapped around" to a value between 0 and n - 1. x - y * int256(quotient) ); } if (gcd != 1) return 0; // No inverse exists. return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative. } } /** * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`. * * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that * `a**(p-2)` is the modular multiplicative inverse of a in Fp. * * NOTE: this function does NOT check that `p` is a prime greater than `2`. */ function invModPrime(uint256 a, uint256 p) internal view returns (uint256) { unchecked { return Math.modExp(a, p - 2, p); } } /** * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m) * * Requirements: * - modulus can't be zero * - underlying staticcall to precompile must succeed * * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make * sure the chain you're using it on supports the precompiled contract for modular exponentiation * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, * the underlying function will succeed given the lack of a revert, but the result may be incorrectly * interpreted as 0. */ function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) { (bool success, uint256 result) = tryModExp(b, e, m); if (!success) { Panic.panic(Panic.DIVISION_BY_ZERO); } return result; } /** * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m). * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying * to operate modulo 0 or if the underlying precompile reverted. * * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack * of a revert, but the result may be incorrectly interpreted as 0. */ function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) { if (m == 0) return (false, 0); assembly ("memory-safe") { let ptr := mload(0x40) // | Offset | Content | Content (Hex) | // |-----------|------------|--------------------------------------------------------------------| // | 0x00:0x1f | size of b | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x20:0x3f | size of e | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x40:0x5f | size of m | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x60:0x7f | value of b | 0x<.............................................................b> | // | 0x80:0x9f | value of e | 0x<.............................................................e> | // | 0xa0:0xbf | value of m | 0x<.............................................................m> | mstore(ptr, 0x20) mstore(add(ptr, 0x20), 0x20) mstore(add(ptr, 0x40), 0x20) mstore(add(ptr, 0x60), b) mstore(add(ptr, 0x80), e) mstore(add(ptr, 0xa0), m) // Given the result < m, it's guaranteed to fit in 32 bytes, // so we can use the memory scratch space located at offset 0. success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20) result := mload(0x00) } } /** * @dev Variant of {modExp} that supports inputs of arbitrary length. */ function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) { (bool success, bytes memory result) = tryModExp(b, e, m); if (!success) { Panic.panic(Panic.DIVISION_BY_ZERO); } return result; } /** * @dev Variant of {tryModExp} that supports inputs of arbitrary length. */ function tryModExp( bytes memory b, bytes memory e, bytes memory m ) internal view returns (bool success, bytes memory result) { if (_zeroBytes(m)) return (false, new bytes(0)); uint256 mLen = m.length; // Encode call args in result and move the free memory pointer result = abi.encodePacked(b.length, e.length, mLen, b, e, m); assembly ("memory-safe") { let dataPtr := add(result, 0x20) // Write result on top of args to avoid allocating extra memory. success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen) // Overwrite the length. // result.length > returndatasize() is guaranteed because returndatasize() == m.length mstore(result, mLen) // Set the memory pointer after the returned data. mstore(0x40, add(dataPtr, mLen)) } } /** * @dev Returns whether the provided byte array is zero. */ function _zeroBytes(bytes memory byteArray) private pure returns (bool) { for (uint256 i = 0; i < byteArray.length; ++i) { if (byteArray[i] != 0) { return false; } } return true; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * This method is based on Newton's method for computing square roots; the algorithm is restricted to only * using integer operations. */ function sqrt(uint256 a) internal pure returns (uint256) { unchecked { // Take care of easy edge cases when a == 0 or a == 1 if (a <= 1) { return a; } // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between // the current value as `ε_n = | x_n - sqrt(a) |`. // // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is // bigger than any uint256. // // By noticing that // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)` // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar // to the msb function. uint256 aa = a; uint256 xn = 1; if (aa >= (1 << 128)) { aa >>= 128; xn <<= 64; } if (aa >= (1 << 64)) { aa >>= 64; xn <<= 32; } if (aa >= (1 << 32)) { aa >>= 32; xn <<= 16; } if (aa >= (1 << 16)) { aa >>= 16; xn <<= 8; } if (aa >= (1 << 8)) { aa >>= 8; xn <<= 4; } if (aa >= (1 << 4)) { aa >>= 4; xn <<= 2; } if (aa >= (1 << 2)) { xn <<= 1; } // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1). // // We can refine our estimation by noticing that the middle of that interval minimizes the error. // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2). // This is going to be our x_0 (and ε_0) xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2) // From here, Newton's method give us: // x_{n+1} = (x_n + a / x_n) / 2 // // One should note that: // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a // = ((x_n² + a) / (2 * x_n))² - a // = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a // = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²) // = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²) // = (x_n² - a)² / (2 * x_n)² // = ((x_n² - a) / (2 * x_n))² // ≥ 0 // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n // // This gives us the proof of quadratic convergence of the sequence: // ε_{n+1} = | x_{n+1} - sqrt(a) | // = | (x_n + a / x_n) / 2 - sqrt(a) | // = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) | // = | (x_n - sqrt(a))² / (2 * x_n) | // = | ε_n² / (2 * x_n) | // = ε_n² / | (2 * x_n) | // // For the first iteration, we have a special case where x_0 is known: // ε_1 = ε_0² / | (2 * x_0) | // ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2))) // ≤ 2**(2*e-4) / (3 * 2**(e-1)) // ≤ 2**(e-3) / 3 // ≤ 2**(e-3-log2(3)) // ≤ 2**(e-4.5) // // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n: // ε_{n+1} = ε_n² / | (2 * x_n) | // ≤ (2**(e-k))² / (2 * 2**(e-1)) // ≤ 2**(2*e-2*k) / 2**e // ≤ 2**(e-2*k) xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5) -- special case, see above xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9) -- general case with k = 4.5 xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18) -- general case with k = 9 xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36) -- general case with k = 18 xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72) -- general case with k = 36 xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144) -- general case with k = 72 // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either // sqrt(a) or sqrt(a) + 1. return xn - SafeCast.toUint(xn > a / xn); } } /** * @dev Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; uint256 exp; unchecked { exp = 128 * SafeCast.toUint(value > (1 << 128) - 1); value >>= exp; result += exp; exp = 64 * SafeCast.toUint(value > (1 << 64) - 1); value >>= exp; result += exp; exp = 32 * SafeCast.toUint(value > (1 << 32) - 1); value >>= exp; result += exp; exp = 16 * SafeCast.toUint(value > (1 << 16) - 1); value >>= exp; result += exp; exp = 8 * SafeCast.toUint(value > (1 << 8) - 1); value >>= exp; result += exp; exp = 4 * SafeCast.toUint(value > (1 << 4) - 1); value >>= exp; result += exp; exp = 2 * SafeCast.toUint(value > (1 << 2) - 1); value >>= exp; result += exp; result += SafeCast.toUint(value > 1); } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; uint256 isGt; unchecked { isGt = SafeCast.toUint(value > (1 << 128) - 1); value >>= isGt * 128; result += isGt * 16; isGt = SafeCast.toUint(value > (1 << 64) - 1); value >>= isGt * 64; result += isGt * 8; isGt = SafeCast.toUint(value > (1 << 32) - 1); value >>= isGt * 32; result += isGt * 4; isGt = SafeCast.toUint(value > (1 << 16) - 1); value >>= isGt * 16; result += isGt * 2; result += SafeCast.toUint(value > (1 << 8) - 1); } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (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/bool 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. */ error SafeCastOverflowedIntToUint(int256 value); /** * @dev Value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedIntDowncast(uint8 bits, int256 value); /** * @dev An uint value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedUintToInt(uint256 value); /** * @dev Returns the downcasted uint248 from uint256, reverting on * overflow (when the input is greater than largest uint248). * * Counterpart to Solidity's `uint248` operator. * * Requirements: * * - input must fit into 248 bits */ function toUint248(uint256 value) internal pure returns (uint248) { if (value > type(uint248).max) { revert SafeCastOverflowedUintDowncast(248, value); } return uint248(value); } /** * @dev Returns the downcasted uint240 from uint256, reverting on * overflow (when the input is greater than largest uint240). * * Counterpart to Solidity's `uint240` operator. * * Requirements: * * - input must fit into 240 bits */ function toUint240(uint256 value) internal pure returns (uint240) { if (value > type(uint240).max) { revert SafeCastOverflowedUintDowncast(240, value); } return uint240(value); } /** * @dev Returns the downcasted uint232 from uint256, reverting on * overflow (when the input is greater than largest uint232). * * Counterpart to Solidity's `uint232` operator. * * Requirements: * * - input must fit into 232 bits */ function toUint232(uint256 value) internal pure returns (uint232) { if (value > type(uint232).max) { revert SafeCastOverflowedUintDowncast(232, value); } return uint232(value); } /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { if (value > type(uint224).max) { revert SafeCastOverflowedUintDowncast(224, value); } return uint224(value); } /** * @dev Returns the downcasted uint216 from uint256, reverting on * overflow (when the input is greater than largest uint216). * * Counterpart to Solidity's `uint216` operator. * * Requirements: * * - input must fit into 216 bits */ function toUint216(uint256 value) internal pure returns (uint216) { if (value > type(uint216).max) { revert SafeCastOverflowedUintDowncast(216, value); } return uint216(value); } /** * @dev Returns the downcasted uint208 from uint256, reverting on * overflow (when the input is greater than largest uint208). * * Counterpart to Solidity's `uint208` operator. * * Requirements: * * - input must fit into 208 bits */ function toUint208(uint256 value) internal pure returns (uint208) { if (value > type(uint208).max) { revert SafeCastOverflowedUintDowncast(208, value); } return uint208(value); } /** * @dev Returns the downcasted uint200 from uint256, reverting on * overflow (when the input is greater than largest uint200). * * Counterpart to Solidity's `uint200` operator. * * Requirements: * * - input must fit into 200 bits */ function toUint200(uint256 value) internal pure returns (uint200) { if (value > type(uint200).max) { revert SafeCastOverflowedUintDowncast(200, value); } return uint200(value); } /** * @dev Returns the downcasted uint192 from uint256, reverting on * overflow (when the input is greater than largest uint192). * * Counterpart to Solidity's `uint192` operator. * * Requirements: * * - input must fit into 192 bits */ function toUint192(uint256 value) internal pure returns (uint192) { if (value > type(uint192).max) { revert SafeCastOverflowedUintDowncast(192, value); } return uint192(value); } /** * @dev Returns the downcasted uint184 from uint256, reverting on * overflow (when the input is greater than largest uint184). * * Counterpart to Solidity's `uint184` operator. * * Requirements: * * - input must fit into 184 bits */ function toUint184(uint256 value) internal pure returns (uint184) { if (value > type(uint184).max) { revert SafeCastOverflowedUintDowncast(184, value); } return uint184(value); } /** * @dev Returns the downcasted uint176 from uint256, reverting on * overflow (when the input is greater than largest uint176). * * Counterpart to Solidity's `uint176` operator. * * Requirements: * * - input must fit into 176 bits */ function toUint176(uint256 value) internal pure returns (uint176) { if (value > type(uint176).max) { revert SafeCastOverflowedUintDowncast(176, value); } return uint176(value); } /** * @dev Returns the downcasted uint168 from uint256, reverting on * overflow (when the input is greater than largest uint168). * * Counterpart to Solidity's `uint168` operator. * * Requirements: * * - input must fit into 168 bits */ function toUint168(uint256 value) internal pure returns (uint168) { if (value > type(uint168).max) { revert SafeCastOverflowedUintDowncast(168, value); } return uint168(value); } /** * @dev Returns the downcasted uint160 from uint256, reverting on * overflow (when the input is greater than largest uint160). * * Counterpart to Solidity's `uint160` operator. * * Requirements: * * - input must fit into 160 bits */ function toUint160(uint256 value) internal pure returns (uint160) { if (value > type(uint160).max) { revert SafeCastOverflowedUintDowncast(160, value); } return uint160(value); } /** * @dev Returns the downcasted uint152 from uint256, reverting on * overflow (when the input is greater than largest uint152). * * Counterpart to Solidity's `uint152` operator. * * Requirements: * * - input must fit into 152 bits */ function toUint152(uint256 value) internal pure returns (uint152) { if (value > type(uint152).max) { revert SafeCastOverflowedUintDowncast(152, value); } return uint152(value); } /** * @dev Returns the downcasted uint144 from uint256, reverting on * overflow (when the input is greater than largest uint144). * * Counterpart to Solidity's `uint144` operator. * * Requirements: * * - input must fit into 144 bits */ function toUint144(uint256 value) internal pure returns (uint144) { if (value > type(uint144).max) { revert SafeCastOverflowedUintDowncast(144, value); } return uint144(value); } /** * @dev Returns the downcasted uint136 from uint256, reverting on * overflow (when the input is greater than largest uint136). * * Counterpart to Solidity's `uint136` operator. * * Requirements: * * - input must fit into 136 bits */ function toUint136(uint256 value) internal pure returns (uint136) { if (value > type(uint136).max) { revert SafeCastOverflowedUintDowncast(136, value); } return uint136(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { if (value > type(uint128).max) { revert SafeCastOverflowedUintDowncast(128, value); } return uint128(value); } /** * @dev Returns the downcasted uint120 from uint256, reverting on * overflow (when the input is greater than largest uint120). * * Counterpart to Solidity's `uint120` operator. * * Requirements: * * - input must fit into 120 bits */ function toUint120(uint256 value) internal pure returns (uint120) { if (value > type(uint120).max) { revert SafeCastOverflowedUintDowncast(120, value); } return uint120(value); } /** * @dev Returns the downcasted uint112 from uint256, reverting on * overflow (when the input is greater than largest uint112). * * Counterpart to Solidity's `uint112` operator. * * Requirements: * * - input must fit into 112 bits */ function toUint112(uint256 value) internal pure returns (uint112) { if (value > type(uint112).max) { revert SafeCastOverflowedUintDowncast(112, value); } return uint112(value); } /** * @dev Returns the downcasted uint104 from uint256, reverting on * overflow (when the input is greater than largest uint104). * * Counterpart to Solidity's `uint104` operator. * * Requirements: * * - input must fit into 104 bits */ function toUint104(uint256 value) internal pure returns (uint104) { if (value > type(uint104).max) { revert SafeCastOverflowedUintDowncast(104, value); } return uint104(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { if (value > type(uint96).max) { revert SafeCastOverflowedUintDowncast(96, value); } return uint96(value); } /** * @dev Returns the downcasted uint88 from uint256, reverting on * overflow (when the input is greater than largest uint88). * * Counterpart to Solidity's `uint88` operator. * * Requirements: * * - input must fit into 88 bits */ function toUint88(uint256 value) internal pure returns (uint88) { if (value > type(uint88).max) { revert SafeCastOverflowedUintDowncast(88, value); } return uint88(value); } /** * @dev Returns the downcasted uint80 from uint256, reverting on * overflow (when the input is greater than largest uint80). * * Counterpart to Solidity's `uint80` operator. * * Requirements: * * - input must fit into 80 bits */ function toUint80(uint256 value) internal pure returns (uint80) { if (value > type(uint80).max) { revert SafeCastOverflowedUintDowncast(80, value); } return uint80(value); } /** * @dev Returns the downcasted uint72 from uint256, reverting on * overflow (when the input is greater than largest uint72). * * Counterpart to Solidity's `uint72` operator. * * Requirements: * * - input must fit into 72 bits */ function toUint72(uint256 value) internal pure returns (uint72) { if (value > type(uint72).max) { revert SafeCastOverflowedUintDowncast(72, value); } return uint72(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { if (value > type(uint64).max) { revert SafeCastOverflowedUintDowncast(64, value); } return uint64(value); } /** * @dev Returns the downcasted uint56 from uint256, reverting on * overflow (when the input is greater than largest uint56). * * Counterpart to Solidity's `uint56` operator. * * Requirements: * * - input must fit into 56 bits */ function toUint56(uint256 value) internal pure returns (uint56) { if (value > type(uint56).max) { revert SafeCastOverflowedUintDowncast(56, value); } return uint56(value); } /** * @dev Returns the downcasted uint48 from uint256, reverting on * overflow (when the input is greater than largest uint48). * * Counterpart to Solidity's `uint48` operator. * * Requirements: * * - input must fit into 48 bits */ function toUint48(uint256 value) internal pure returns (uint48) { if (value > type(uint48).max) { revert SafeCastOverflowedUintDowncast(48, value); } return uint48(value); } /** * @dev Returns the downcasted uint40 from uint256, reverting on * overflow (when the input is greater than largest uint40). * * Counterpart to Solidity's `uint40` operator. * * Requirements: * * - input must fit into 40 bits */ function toUint40(uint256 value) internal pure returns (uint40) { if (value > type(uint40).max) { revert SafeCastOverflowedUintDowncast(40, value); } return uint40(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { if (value > type(uint32).max) { revert SafeCastOverflowedUintDowncast(32, value); } return uint32(value); } /** * @dev Returns the downcasted uint24 from uint256, reverting on * overflow (when the input is greater than largest uint24). * * Counterpart to Solidity's `uint24` operator. * * Requirements: * * - input must fit into 24 bits */ function toUint24(uint256 value) internal pure returns (uint24) { if (value > type(uint24).max) { revert SafeCastOverflowedUintDowncast(24, value); } return uint24(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { if (value > type(uint16).max) { revert SafeCastOverflowedUintDowncast(16, value); } return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits */ function toUint8(uint256 value) internal pure returns (uint8) { if (value > type(uint8).max) { revert SafeCastOverflowedUintDowncast(8, value); } return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { if (value < 0) { revert SafeCastOverflowedIntToUint(value); } return uint256(value); } /** * @dev Returns the downcasted int248 from int256, reverting on * overflow (when the input is less than smallest int248 or * greater than largest int248). * * Counterpart to Solidity's `int248` operator. * * Requirements: * * - input must fit into 248 bits */ function toInt248(int256 value) internal pure returns (int248 downcasted) { downcasted = int248(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(248, value); } } /** * @dev Returns the downcasted int240 from int256, reverting on * overflow (when the input is less than smallest int240 or * greater than largest int240). * * Counterpart to Solidity's `int240` operator. * * Requirements: * * - input must fit into 240 bits */ function toInt240(int256 value) internal pure returns (int240 downcasted) { downcasted = int240(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(240, value); } } /** * @dev Returns the downcasted int232 from int256, reverting on * overflow (when the input is less than smallest int232 or * greater than largest int232). * * Counterpart to Solidity's `int232` operator. * * Requirements: * * - input must fit into 232 bits */ function toInt232(int256 value) internal pure returns (int232 downcasted) { downcasted = int232(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(232, value); } } /** * @dev Returns the downcasted int224 from int256, reverting on * overflow (when the input is less than smallest int224 or * greater than largest int224). * * Counterpart to Solidity's `int224` operator. * * Requirements: * * - input must fit into 224 bits */ function toInt224(int256 value) internal pure returns (int224 downcasted) { downcasted = int224(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(224, value); } } /** * @dev Returns the downcasted int216 from int256, reverting on * overflow (when the input is less than smallest int216 or * greater than largest int216). * * Counterpart to Solidity's `int216` operator. * * Requirements: * * - input must fit into 216 bits */ function toInt216(int256 value) internal pure returns (int216 downcasted) { downcasted = int216(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(216, value); } } /** * @dev Returns the downcasted int208 from int256, reverting on * overflow (when the input is less than smallest int208 or * greater than largest int208). * * Counterpart to Solidity's `int208` operator. * * Requirements: * * - input must fit into 208 bits */ function toInt208(int256 value) internal pure returns (int208 downcasted) { downcasted = int208(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(208, value); } } /** * @dev Returns the downcasted int200 from int256, reverting on * overflow (when the input is less than smallest int200 or * greater than largest int200). * * Counterpart to Solidity's `int200` operator. * * Requirements: * * - input must fit into 200 bits */ function toInt200(int256 value) internal pure returns (int200 downcasted) { downcasted = int200(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(200, value); } } /** * @dev Returns the downcasted int192 from int256, reverting on * overflow (when the input is less than smallest int192 or * greater than largest int192). * * Counterpart to Solidity's `int192` operator. * * Requirements: * * - input must fit into 192 bits */ function toInt192(int256 value) internal pure returns (int192 downcasted) { downcasted = int192(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(192, value); } } /** * @dev Returns the downcasted int184 from int256, reverting on * overflow (when the input is less than smallest int184 or * greater than largest int184). * * Counterpart to Solidity's `int184` operator. * * Requirements: * * - input must fit into 184 bits */ function toInt184(int256 value) internal pure returns (int184 downcasted) { downcasted = int184(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(184, value); } } /** * @dev Returns the downcasted int176 from int256, reverting on * overflow (when the input is less than smallest int176 or * greater than largest int176). * * Counterpart to Solidity's `int176` operator. * * Requirements: * * - input must fit into 176 bits */ function toInt176(int256 value) internal pure returns (int176 downcasted) { downcasted = int176(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(176, value); } } /** * @dev Returns the downcasted int168 from int256, reverting on * overflow (when the input is less than smallest int168 or * greater than largest int168). * * Counterpart to Solidity's `int168` operator. * * Requirements: * * - input must fit into 168 bits */ function toInt168(int256 value) internal pure returns (int168 downcasted) { downcasted = int168(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(168, value); } } /** * @dev Returns the downcasted int160 from int256, reverting on * overflow (when the input is less than smallest int160 or * greater than largest int160). * * Counterpart to Solidity's `int160` operator. * * Requirements: * * - input must fit into 160 bits */ function toInt160(int256 value) internal pure returns (int160 downcasted) { downcasted = int160(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(160, value); } } /** * @dev Returns the downcasted int152 from int256, reverting on * overflow (when the input is less than smallest int152 or * greater than largest int152). * * Counterpart to Solidity's `int152` operator. * * Requirements: * * - input must fit into 152 bits */ function toInt152(int256 value) internal pure returns (int152 downcasted) { downcasted = int152(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(152, value); } } /** * @dev Returns the downcasted int144 from int256, reverting on * overflow (when the input is less than smallest int144 or * greater than largest int144). * * Counterpart to Solidity's `int144` operator. * * Requirements: * * - input must fit into 144 bits */ function toInt144(int256 value) internal pure returns (int144 downcasted) { downcasted = int144(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(144, value); } } /** * @dev Returns the downcasted int136 from int256, reverting on * overflow (when the input is less than smallest int136 or * greater than largest int136). * * Counterpart to Solidity's `int136` operator. * * Requirements: * * - input must fit into 136 bits */ function toInt136(int256 value) internal pure returns (int136 downcasted) { downcasted = int136(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(136, value); } } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits */ function toInt128(int256 value) internal pure returns (int128 downcasted) { downcasted = int128(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(128, value); } } /** * @dev Returns the downcasted int120 from int256, reverting on * overflow (when the input is less than smallest int120 or * greater than largest int120). * * Counterpart to Solidity's `int120` operator. * * Requirements: * * - input must fit into 120 bits */ function toInt120(int256 value) internal pure returns (int120 downcasted) { downcasted = int120(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(120, value); } } /** * @dev Returns the downcasted int112 from int256, reverting on * overflow (when the input is less than smallest int112 or * greater than largest int112). * * Counterpart to Solidity's `int112` operator. * * Requirements: * * - input must fit into 112 bits */ function toInt112(int256 value) internal pure returns (int112 downcasted) { downcasted = int112(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(112, value); } } /** * @dev Returns the downcasted int104 from int256, reverting on * overflow (when the input is less than smallest int104 or * greater than largest int104). * * Counterpart to Solidity's `int104` operator. * * Requirements: * * - input must fit into 104 bits */ function toInt104(int256 value) internal pure returns (int104 downcasted) { downcasted = int104(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(104, value); } } /** * @dev Returns the downcasted int96 from int256, reverting on * overflow (when the input is less than smallest int96 or * greater than largest int96). * * Counterpart to Solidity's `int96` operator. * * Requirements: * * - input must fit into 96 bits */ function toInt96(int256 value) internal pure returns (int96 downcasted) { downcasted = int96(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(96, value); } } /** * @dev Returns the downcasted int88 from int256, reverting on * overflow (when the input is less than smallest int88 or * greater than largest int88). * * Counterpart to Solidity's `int88` operator. * * Requirements: * * - input must fit into 88 bits */ function toInt88(int256 value) internal pure returns (int88 downcasted) { downcasted = int88(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(88, value); } } /** * @dev Returns the downcasted int80 from int256, reverting on * overflow (when the input is less than smallest int80 or * greater than largest int80). * * Counterpart to Solidity's `int80` operator. * * Requirements: * * - input must fit into 80 bits */ function toInt80(int256 value) internal pure returns (int80 downcasted) { downcasted = int80(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(80, value); } } /** * @dev Returns the downcasted int72 from int256, reverting on * overflow (when the input is less than smallest int72 or * greater than largest int72). * * Counterpart to Solidity's `int72` operator. * * Requirements: * * - input must fit into 72 bits */ function toInt72(int256 value) internal pure returns (int72 downcasted) { downcasted = int72(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(72, value); } } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits */ function toInt64(int256 value) internal pure returns (int64 downcasted) { downcasted = int64(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(64, value); } } /** * @dev Returns the downcasted int56 from int256, reverting on * overflow (when the input is less than smallest int56 or * greater than largest int56). * * Counterpart to Solidity's `int56` operator. * * Requirements: * * - input must fit into 56 bits */ function toInt56(int256 value) internal pure returns (int56 downcasted) { downcasted = int56(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(56, value); } } /** * @dev Returns the downcasted int48 from int256, reverting on * overflow (when the input is less than smallest int48 or * greater than largest int48). * * Counterpart to Solidity's `int48` operator. * * Requirements: * * - input must fit into 48 bits */ function toInt48(int256 value) internal pure returns (int48 downcasted) { downcasted = int48(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(48, value); } } /** * @dev Returns the downcasted int40 from int256, reverting on * overflow (when the input is less than smallest int40 or * greater than largest int40). * * Counterpart to Solidity's `int40` operator. * * Requirements: * * - input must fit into 40 bits */ function toInt40(int256 value) internal pure returns (int40 downcasted) { downcasted = int40(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(40, value); } } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits */ function toInt32(int256 value) internal pure returns (int32 downcasted) { downcasted = int32(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(32, value); } } /** * @dev Returns the downcasted int24 from int256, reverting on * overflow (when the input is less than smallest int24 or * greater than largest int24). * * Counterpart to Solidity's `int24` operator. * * Requirements: * * - input must fit into 24 bits */ function toInt24(int256 value) internal pure returns (int24 downcasted) { downcasted = int24(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(24, value); } } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits */ function toInt16(int256 value) internal pure returns (int16 downcasted) { downcasted = int16(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(16, value); } } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits */ function toInt8(int256 value) internal pure returns (int8 downcasted) { downcasted = int8(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(8, value); } } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive if (value > uint256(type(int256).max)) { revert SafeCastOverflowedUintToInt(value); } return int256(value); } /** * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump. */ function toUint(bool b) internal pure returns (uint256 u) { assembly ("memory-safe") { u := iszero(iszero(b)) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol) pragma solidity ^0.8.20; /** * @dev Helper library for emitting standardized panic codes. * * ```solidity * contract Example { * using Panic for uint256; * * // Use any of the declared internal constants * function foo() { Panic.GENERIC.panic(); } * * // Alternatively * function foo() { Panic.panic(Panic.GENERIC); } * } * ``` * * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil]. * * _Available since v5.1._ */ // slither-disable-next-line unused-state library Panic { /// @dev generic / unspecified error uint256 internal constant GENERIC = 0x00; /// @dev used by the assert() builtin uint256 internal constant ASSERT = 0x01; /// @dev arithmetic underflow or overflow uint256 internal constant UNDER_OVERFLOW = 0x11; /// @dev division or modulo by zero uint256 internal constant DIVISION_BY_ZERO = 0x12; /// @dev enum conversion error uint256 internal constant ENUM_CONVERSION_ERROR = 0x21; /// @dev invalid encoding in storage uint256 internal constant STORAGE_ENCODING_ERROR = 0x22; /// @dev empty array pop uint256 internal constant EMPTY_ARRAY_POP = 0x31; /// @dev array out of bounds access uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32; /// @dev resource error (too large allocation or too large array) uint256 internal constant RESOURCE_ERROR = 0x41; /// @dev calling invalid internal function uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51; /// @dev Reverts with a panic code. Recommended to use with /// the internal constants with predefined codes. function panic(uint256 code) internal pure { assembly ("memory-safe") { mstore(0x00, 0x4e487b71) mstore(0x20, code) revert(0x1c, 0x24) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.20; /** * @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 ERC-1967 implementation slot: * ```solidity * contract ERC1967 { * // Define the slot. Alternatively, use the SlotDerivation library to derive the slot. * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * TIP: Consider using this library along with {SlotDerivation}. */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct Int256Slot { int256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Int256Slot` with member `value` located at `slot`. */ function getInt256Slot(bytes32 slot) internal pure returns (Int256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } /** * @dev Returns a `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } }
{ "evmVersion": "shanghai", "optimizer": { "enabled": true, "runs": 10000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccessControlBadConfirmation","type":"error"},{"inputs":[{"internalType":"uint48","name":"schedule","type":"uint48"}],"name":"AccessControlEnforcedDefaultAdminDelay","type":"error"},{"inputs":[],"name":"AccessControlEnforcedDefaultAdminRules","type":"error"},{"inputs":[{"internalType":"address","name":"defaultAdmin","type":"address"}],"name":"AccessControlInvalidDefaultAdmin","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"neededRole","type":"bytes32"}],"name":"AccessControlUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"name":"ERC1967InvalidImplementation","type":"error"},{"inputs":[],"name":"ERC1967NonPayable","type":"error"},{"inputs":[],"name":"FailedCall","type":"error"},{"inputs":[],"name":"InvalidInitialization","type":"error"},{"inputs":[],"name":"NotInitializing","type":"error"},{"inputs":[{"internalType":"uint8","name":"bits","type":"uint8"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"SafeCastOverflowedUintDowncast","type":"error"},{"inputs":[],"name":"UUPSUnauthorizedCallContext","type":"error"},{"inputs":[{"internalType":"bytes32","name":"slot","type":"bytes32"}],"name":"UUPSUnsupportedProxiableUUID","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"totalTransfers","type":"uint256"}],"name":"BatchReleased","type":"event"},{"anonymous":false,"inputs":[],"name":"DefaultAdminDelayChangeCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint48","name":"newDelay","type":"uint48"},{"indexed":false,"internalType":"uint48","name":"effectSchedule","type":"uint48"}],"name":"DefaultAdminDelayChangeScheduled","type":"event"},{"anonymous":false,"inputs":[],"name":"DefaultAdminTransferCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"},{"indexed":false,"internalType":"uint48","name":"acceptSchedule","type":"uint48"}],"name":"DefaultAdminTransferScheduled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"version","type":"uint64"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"bytes16","name":"tag","type":"bytes16"}],"name":"Locked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Released","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPERATOR_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"UPGRADE_INTERFACE_VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct EzoHybridge.Transfer[]","name":"transfers","type":"tuple[]"}],"name":"batchRelease","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"beginDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"cancelDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint48","name":"newDelay","type":"uint48"}],"name":"changeDefaultAdminDelay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"defaultAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultAdminDelay","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultAdminDelayIncreaseWait","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"defaultAdmin","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes16","name":"tag","type":"bytes16"}],"name":"lock","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingDefaultAdmin","outputs":[{"internalType":"address","name":"newAdmin","type":"address"},{"internalType":"uint48","name":"schedule","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingDefaultAdminDelay","outputs":[{"internalType":"uint48","name":"newDelay","type":"uint48"},{"internalType":"uint48","name":"schedule","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"release","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rollbackDefaultAdminDelay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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
Deployed Bytecode
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
Loading...
Loading
Loading...
Loading
Multichain Portfolio | 31 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|
Loading...
Loading
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.