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Contract Source Code Verified (Exact Match)
Contract Name:
SophEarnings
Compiler Version
v0.8.26+commit.8a97fa7a
ZkSolc Version
v1.5.6
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0-only pragma solidity 0.8.26; import "contracts/proxies/UpgradeableAccessControl.sol"; import "contracts/soph-earnings/SophEarningsState.sol"; import "contracts/common/Rescuable.sol"; contract SophEarnings is UpgradeableAccessControl, SophEarningsState, Rescuable { using Checkpoints for Checkpoints.Trace208; event RewardsSet(address indexed account, uint256 indexed timeStamp, uint256 oldQuantity, uint256 newQuantity); error CountMismatch(); error EtherSent(); /// @notice Role constant for sub admin role bytes32 public constant REWARDS_ADMIN_ROLE = keccak256("REWARDS_ADMIN_ROLE"); function _requireRescuerRole() internal view override onlyRole(DEFAULT_ADMIN_ROLE) { // Empty function body } // timestamp == 0 means the current blocktime function setRewards(address[] memory accounts, uint256[] memory quantities, uint256 timestamp) external onlyRole(REWARDS_ADMIN_ROLE) returns (uint256 totalQuantity) { if (accounts.length != quantities.length) revert CountMismatch(); if (timestamp == 0) { timestamp = block.timestamp; } for (uint256 i; i < quantities.length; i++) { (uint256 oldQuantity, uint256 newQuantity) = rewardCheckpoints_[accounts[i]].push( SafeCast.toUint48(timestamp), SafeCast.toUint208(quantities[i]) ); emit RewardsSet(accounts[i], timestamp, oldQuantity, newQuantity); totalQuantity += quantities[i]; } } function getRewards(address account) external view returns (uint256) { return rewardCheckpoints_[account].latest(); } function getRewardsAt(address account, uint256 timestamp) public view returns (uint256) { if (timestamp == 0 || timestamp >= block.timestamp) { return rewardCheckpoints_[account].latest(); } else { return rewardCheckpoints_[account].upperLookupRecent(SafeCast.toUint48(timestamp)); } } function batchGetRewardsAt(address[] memory accounts, uint256 timestamp) public view returns (uint256[] memory quantities) { quantities = new uint256[](accounts.length); for (uint256 i; i < accounts.length; i++) { quantities[i] = getRewardsAt(accounts[i], timestamp); } } function _checkpointAt(address account, uint32 pos) external view returns (Checkpoints.Checkpoint208 memory) { return rewardCheckpoints_[account].at(pos); } function _checkpointCount(address account) external view returns (uint32) { return SafeCast.toUint32(rewardCheckpoints_[account].length()); } /** * @notice Fallback function that receives Ether when no data is sent. * @dev Reverts when Ether is sent without data. */ receive() external payable { revert EtherSent(); } }
// SPDX-License-Identifier: GPL-3.0-only pragma solidity 0.8.26; import "contracts/access/extensions/AccessControlDefaultAdminRules.sol"; /** * @title UpgradeableAccessControl * @notice This contract extends AccessControlDefaultAdminRules to provide role-based access control with an upgradeable implementation. * @dev Allows the default admin to replace the implementation address with a new one and optionally initialize it. The admin role changes are subject to a delay defined in the constructor. */ contract UpgradeableAccessControl is AccessControlDefaultAdminRules { /// @notice The slot containing the address of the current implementation contract. bytes32 public constant IMPLEMENTATION_SLOT = keccak256("IMPLEMENTATION_SLOT"); /** * @notice Constructs the UpgradeableAccessControl contract. * @dev Initializes the AccessControlDefaultAdminRules with a delay of 3 days and sets the deployer as the initial default admin. */ constructor() AccessControlDefaultAdminRules(3 days, msg.sender) {} /** * @notice Replaces the current implementation with a new one and optionally initializes it. * @dev Can only be called by an account with the DEFAULT_ADMIN_ROLE. If `initData_` is provided, a delegatecall is made to the new implementation with that data. * @param impl_ The address of the new implementation contract. * @param initData_ Optional initialization data to delegatecall to the new implementation. */ function replaceImplementation(address impl_, bytes memory initData_) public onlyRole(DEFAULT_ADMIN_ROLE) { require(impl_ != address(0), "impl_ is zero address"); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, impl_) } if (initData_.length != 0) { (bool success,) = impl_.delegatecall(initData_); require(success, "init failed"); } } /** * @notice Checks if the contract implements an interface. * @dev Overrides supportsInterface from AccessControlDefaultAdminRules. * @param interfaceId The interface identifier, as specified in ERC-165. * @return True if the contract implements `interfaceId`, false otherwise. */ function supportsInterface(bytes4 interfaceId) public view virtual override(AccessControlDefaultAdminRules) returns (bool) { return super.supportsInterface(interfaceId); } /** * @notice Returns the current implementation address * @return The current implementation address */ function implementation() public view returns (address) { address implementation_; bytes32 slot = IMPLEMENTATION_SLOT; assembly { implementation_ := sload(slot) } return implementation_; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/extensions/AccessControlDefaultAdminRules.sol) pragma solidity ^0.8.20; import {IAccessControlDefaultAdminRules} from "contracts/access/extensions/IAccessControlDefaultAdminRules.sol"; import {AccessControl, IAccessControl} from "contracts/access/AccessControl.sol"; import {SafeCast} from "contracts/utils/math/SafeCast.sol"; import {Math} from "contracts/utils/math/Math.sol"; import {IERC5313} from "contracts/interfaces/IERC5313.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 AccessControlDefaultAdminRules is IAccessControlDefaultAdminRules, IERC5313, AccessControl { // pending admin pair read/written together frequently address private _pendingDefaultAdmin; uint48 private _pendingDefaultAdminSchedule; // 0 == unset uint48 private _currentDelay; address private _currentDefaultAdmin; // pending delay pair read/written together frequently uint48 private _pendingDelay; uint48 private _pendingDelaySchedule; // 0 == unset /** * @dev Sets the initial values for {defaultAdminDelay} and {defaultAdmin} address. */ constructor(uint48 initialDelay, address initialDefaultAdmin) { 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(AccessControl, 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(AccessControl, 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(AccessControl, IAccessControl) { 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) { 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) { 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) { return _currentDefaultAdmin; } /** * @inheritdoc IAccessControlDefaultAdminRules */ function pendingDefaultAdmin() public view virtual returns (address newAdmin, uint48 schedule) { return (_pendingDefaultAdmin, _pendingDefaultAdminSchedule); } /** * @inheritdoc IAccessControlDefaultAdminRules */ function defaultAdminDelay() public view virtual returns (uint48) { uint48 schedule = _pendingDelaySchedule; return (_isScheduleSet(schedule) && _hasSchedulePassed(schedule)) ? _pendingDelay : _currentDelay; } /** * @inheritdoc IAccessControlDefaultAdminRules */ function pendingDefaultAdminDelay() public view virtual returns (uint48 newDelay, uint48 schedule) { 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 { (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 { (, 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 { 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) (access/extensions/IAccessControlDefaultAdminRules.sol) pragma solidity ^0.8.20; import {IAccessControl} from "contracts/access/IAccessControl.sol"; /** * @dev External interface of AccessControlDefaultAdminRules declared to support ERC165 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 v5.0.0) (access/IAccessControl.sol) pragma solidity ^0.8.20; /** * @dev External interface of AccessControl declared to support ERC165 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, an admin role * bearer except when using {AccessControl-_setupRole}. */ 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 v5.0.0) (access/AccessControl.sol) pragma solidity ^0.8.20; import {IAccessControl} from "contracts/access/IAccessControl.sol"; import {Context} from "contracts/utils/Context.sol"; import {ERC165} from "contracts/utils/introspection/ERC165.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 AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address account => bool) hasRole; bytes32 adminRole; } mapping(bytes32 role => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @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); _; } /** * @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) { 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) { 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 { 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) { 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) { 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 v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol) pragma solidity ^0.8.20; import {IERC165} from "contracts/utils/introspection/IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 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 ERC165 is IERC165 { /** * @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 v5.0.0) (utils/introspection/IERC165.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * 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[EIP 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 v5.0.0) (utils/math/SafeCast.sol) // This file was procedurally generated from scripts/generate/templates/SafeCast.js. pragma solidity ^0.8.20; /** * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such an operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeCast { /** * @dev Value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value); /** * @dev An int value doesn't fit in an uint of `bits` size. */ 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); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol) pragma solidity ^0.8.20; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { 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 division by zero flag. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return 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. return a / b; } // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * @dev 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 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + 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 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 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 2^256 / 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 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. 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 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // 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 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, 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; } } /** * @notice 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) { uint256 result = mulDiv(x, y, denominator); if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice 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 + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @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; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 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 + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @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 + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @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; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 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 + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0); } } /** * @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 v5.0.0) (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: GPL-3.0-only pragma solidity 0.8.26; import "contracts/utils/structs/Checkpoints.sol"; abstract contract SophEarningsState { mapping (address => Checkpoints.Trace208) internal rewardCheckpoints_; // user => key: timestamp, value: rewards quantity }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/Checkpoints.sol) // This file was procedurally generated from scripts/generate/templates/Checkpoints.js. pragma solidity ^0.8.20; import {Math} from "contracts/utils/math/Math.sol"; /** * @dev This library defines the `Trace*` struct, for checkpointing values as they change at different points in * time, and later looking up past values by block number. See {Votes} as an example. * * To create a history of checkpoints define a variable type `Checkpoints.Trace*` in your contract, and store a new * checkpoint for the current transaction block using the {push} function. */ library Checkpoints { /** * @dev A value was attempted to be inserted on a past checkpoint. */ error CheckpointUnorderedInsertion(); struct Trace224 { Checkpoint224[] _checkpoints; } struct Checkpoint224 { uint32 _key; uint224 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace224 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint32).max` key set will disable the * library. */ function push(Trace224 storage self, uint32 key, uint224 value) internal returns (uint224, uint224) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace224 storage self) internal view returns (uint224) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace224 storage self) internal view returns (bool exists, uint32 _key, uint224 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint224 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace224 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace224 storage self, uint32 pos) internal view returns (Checkpoint224 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert(Checkpoint224[] storage self, uint32 key, uint224 value) private returns (uint224, uint224) { uint256 pos = self.length; if (pos > 0) { // Copying to memory is important here. Checkpoint224 memory last = _unsafeAccess(self, pos - 1); // Checkpoint keys must be non-decreasing. if (last._key > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (last._key == key) { _unsafeAccess(self, pos - 1)._value = value; } else { self.push(Checkpoint224({_key: key, _value: value})); } return (last._value, value); } else { self.push(Checkpoint224({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint224[] storage self, uint32 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and * exclusive `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint224[] storage self, uint32 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint224[] storage self, uint256 pos ) private pure returns (Checkpoint224 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } struct Trace208 { Checkpoint208[] _checkpoints; } struct Checkpoint208 { uint48 _key; uint208 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace208 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint48).max` key set will disable the * library. */ function push(Trace208 storage self, uint48 key, uint208 value) internal returns (uint208, uint208) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace208 storage self) internal view returns (uint208) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace208 storage self) internal view returns (bool exists, uint48 _key, uint208 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint208 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace208 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace208 storage self, uint32 pos) internal view returns (Checkpoint208 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert(Checkpoint208[] storage self, uint48 key, uint208 value) private returns (uint208, uint208) { uint256 pos = self.length; if (pos > 0) { // Copying to memory is important here. Checkpoint208 memory last = _unsafeAccess(self, pos - 1); // Checkpoint keys must be non-decreasing. if (last._key > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (last._key == key) { _unsafeAccess(self, pos - 1)._value = value; } else { self.push(Checkpoint208({_key: key, _value: value})); } return (last._value, value); } else { self.push(Checkpoint208({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint208[] storage self, uint48 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and * exclusive `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint208[] storage self, uint48 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint208[] storage self, uint256 pos ) private pure returns (Checkpoint208 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } struct Trace160 { Checkpoint160[] _checkpoints; } struct Checkpoint160 { uint96 _key; uint160 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace160 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint96).max` key set will disable the * library. */ function push(Trace160 storage self, uint96 key, uint160 value) internal returns (uint160, uint160) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace160 storage self) internal view returns (uint160) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace160 storage self) internal view returns (bool exists, uint96 _key, uint160 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint160 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace160 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace160 storage self, uint32 pos) internal view returns (Checkpoint160 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert(Checkpoint160[] storage self, uint96 key, uint160 value) private returns (uint160, uint160) { uint256 pos = self.length; if (pos > 0) { // Copying to memory is important here. Checkpoint160 memory last = _unsafeAccess(self, pos - 1); // Checkpoint keys must be non-decreasing. if (last._key > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (last._key == key) { _unsafeAccess(self, pos - 1)._value = value; } else { self.push(Checkpoint160({_key: key, _value: value})); } return (last._value, value); } else { self.push(Checkpoint160({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint160[] storage self, uint96 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and * exclusive `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint160[] storage self, uint96 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint160[] storage self, uint256 pos ) private pure returns (Checkpoint160 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.26; import "contracts/token/ERC20/utils/SafeERC20.sol"; abstract contract Rescuable { using SafeERC20 for IERC20; /** * @notice Override this function in inheriting contracts to set appropriate permissions */ function _requireRescuerRole() internal view virtual; /** * @notice Allows the rescue of ERC20 tokens held by the contract * @param token The ERC20 token to be rescued */ function rescue(IERC20 token) external { _requireRescuerRole(); uint256 balance = token.balanceOf(address(this)); token.safeTransfer(msg.sender, balance); } /** * @notice Allows the rescue of Ether held by the contract */ function rescueEth() external{ _requireRescuerRole(); uint256 balance = address(this).balance; (bool success, ) = msg.sender.call{value: balance}(""); require(success, "Transfer failed"); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "contracts/token/ERC20/IERC20.sol"; import {IERC20Permit} from "contracts/token/ERC20/extensions/IERC20Permit.sol"; import {Address} from "contracts/utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; /** * @dev An operation with an ERC20 token failed. */ error SafeERC20FailedOperation(address token); /** * @dev Indicates a failed `decreaseAllowance` request. */ error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease); /** * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value))); } /** * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. */ function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value))); } /** * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 oldAllowance = token.allowance(address(this), spender); forceApprove(token, spender, oldAllowance + value); } /** * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no * value, non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal { unchecked { uint256 currentAllowance = token.allowance(address(this), spender); if (currentAllowance < requestedDecrease) { revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease); } forceApprove(token, spender, currentAllowance - requestedDecrease); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval * to be set to zero before setting it to a non-zero value, such as USDT. */ function forceApprove(IERC20 token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value)); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0))); _callOptionalReturn(token, approvalCall); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data); if (returndata.length != 0 && !abi.decode(returndata, (bool))) { revert SafeERC20FailedOperation(address(token)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). * * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead. */ function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false // and not revert is the subcall reverts. (bool success, bytes memory returndata) = address(token).call(data); return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the 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 v5.0.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. * * ==== Security Considerations * * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be * considered as an intention to spend the allowance in any specific way. The second is that because permits have * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be * generally recommended is: * * ```solidity * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public { * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {} * doThing(..., value); * } * * function doThing(..., uint256 value) public { * token.safeTransferFrom(msg.sender, address(this), value); * ... * } * ``` * * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also * {SafeERC20-safeTransferFrom}). * * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so * contracts should have entry points that don't rely on permit. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. * * CAUTION: See Security Considerations above. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol) pragma solidity ^0.8.20; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev The ETH balance of the account is not enough to perform the operation. */ error AddressInsufficientBalance(address account); /** * @dev There's no code at `target` (it is not a contract). */ error AddressEmptyCode(address target); /** * @dev A call to an address target failed. The target may have reverted. */ error FailedInnerCall(); /** * @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 AddressInsufficientBalance(address(this)); } (bool success, ) = recipient.call{value: amount}(""); if (!success) { revert FailedInnerCall(); } } /** * @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 * {FailedInnerCall} 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 AddressInsufficientBalance(address(this)); } (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 {FailedInnerCall}) 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 {FailedInnerCall} 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 {FailedInnerCall}. */ 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 /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert FailedInnerCall(); } } }
{ "evmVersion": "shanghai", "optimizer": { "enabled": true, "runs": 200 }, "libraries": { "SophEarnings.sol": {} }, "remappings": [ "@openzeppelin=./node_modules/@openzeppelin", "@erc721a=./deps/erc721a/contracts", "OpenZeppelin=C:/Users/tomcb/.brownie/packages/OpenZeppelin", "paulrberg=C:/Users/tomcb/.brownie/packages/paulrberg" ], "metadata": { "appendCBOR": false, "bytecodeHash": "none" }, "outputSelection": { "*": { "*": [ "abi" ] } } }
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Checkpoints.Checkpoint208","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"_checkpointCount","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"batchGetRewardsAt","outputs":[{"internalType":"uint256[]","name":"quantities","type":"uint256[]"}],"stateMutability":"view","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":"address","name":"account","type":"address"}],"name":"getRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"getRewardsAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","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":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"impl_","type":"address"},{"internalType":"bytes","name":"initData_","type":"bytes"}],"name":"replaceImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"}],"name":"rescue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rescueEth","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":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"quantities","type":"uint256[]"},{"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"setRewards","outputs":[{"internalType":"uint256","name":"totalQuantity","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
9c4d535b0000000000000000000000000000000000000000000000000000000000000000010003c9b990d70aa8a090be2c62495afa4651af803942c76c44dda7c9afac8400000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000
Deployed Bytecode
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.