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Contract Name:
LBHooksManager
Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled:
Yes with 600 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import {AccessControlDefaultAdminRulesUpgradeable} from
"@openzeppelin/contracts-upgradeable/access/extensions/AccessControlDefaultAdminRulesUpgradeable.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {ImmutableClone} from "@lb-protocol/src/libraries/ImmutableClone.sol";
import {Hooks, ILBHooks} from "@lb-protocol/src/libraries/Hooks.sol";
import {ILBFactory} from "@lb-protocol/src/interfaces/ILBFactory.sol";
import {ILBPair} from "@lb-protocol/src/interfaces/ILBPair.sol";
import {IMasterChef} from "./interfaces/IMasterChef_flat.sol";
import {IMasterChefRewarder} from "./interfaces/IMasterChef_flat.sol";
import {ILBHooksBaseParentRewarder} from "lb-rewarder/interfaces/ILBHooksBaseParentRewarder.sol";
import {ILBHooksExtraRewarder} from "lb-rewarder/interfaces/ILBHooksExtraRewarder.sol";
import {ILBHooksManager} from "lb-rewarder/interfaces/ILBHooksManager.sol";
/**
* @title LB Hooks Manager
* @dev This contract is used to create and set LB Hooks.
* Currently, it is used to manage the creation of LB Hooks Rewarder and LB Hooks Extra Rewarder.
*/
contract LBHooksManager is AccessControlDefaultAdminRulesUpgradeable, ILBHooksManager {
ILBFactory internal immutable _lbFactory;
IMasterChef internal immutable _masterChef;
mapping(LBHooksType => bytes32) private _lbHooksParameters;
mapping(LBHooksType => ILBHooks[]) private _hooks;
mapping(ILBHooks => LBHooksType) private _lbHooksTypes;
bytes32 public constant OPERATOR = keccak256("OPERATOR");
uint256[10] private __gap;
/**
* @dev Constructor of the contract
* @param lbFactory The address of the LBFactory contract
* @param masterChef The address of the MasterChef contract
*/
constructor(ILBFactory lbFactory, IMasterChef masterChef) {
_lbFactory = lbFactory;
_masterChef = masterChef;
_disableInitializers();
}
/**
* @dev Initializes the contract
* @param initialOwner The address of the initial owner
*/
function initialize(address initialOwner) public initializer {
_grantRole(DEFAULT_ADMIN_ROLE, initialOwner);
_grantRole(OPERATOR, initialOwner);
}
/**
* @dev Returns the LB Hooks parameters for the given LB Hooks type
* @param lbHooksType The LB Hooks type
* @return hooksParameters The LB Hooks parameters
*/
function getLBHooksParameters(LBHooksType lbHooksType) external view override returns (bytes32 hooksParameters) {
return _lbHooksParameters[lbHooksType];
}
/**
* @dev Returns the LB Hooks at the given index for the given LB Hooks type
* @param lbHooksType The LB Hooks type
* @param index The index of the LB Hooks
* @return hooks The LB Hooks
*/
function getHooksAt(LBHooksType lbHooksType, uint256 index) external view override returns (ILBHooks hooks) {
return _hooks[lbHooksType][index];
}
/**
* @dev Returns the length of the LB Hooks for the given LB Hooks type
* @param lbHooksType The LB Hooks type
* @return length The length of the LB Hooks
*/
function getHooksLength(LBHooksType lbHooksType) external view override returns (uint256 length) {
return _hooks[lbHooksType].length;
}
/**
* @dev Returns the LB Hooks type for the given LB Hooks
* @param hooks The LB Hooks
* @return lbHooksType The LB Hooks type
*/
function getLBHooksType(ILBHooks hooks) external view override returns (LBHooksType lbHooksType) {
return _lbHooksTypes[hooks];
}
/**
* @dev Sets the LB Hooks parameters for the given LB Hooks type
* Only callable by the owner
* @param lbHooksType The LB Hooks type
* @param hooksParameters The LB Hooks parameters
*/
function setLBHooksParameters(LBHooksType lbHooksType, bytes32 hooksParameters)
external
override
{
_checkRole(DEFAULT_ADMIN_ROLE);
if (lbHooksType == LBHooksType.Invalid) revert LBHooksManager__InvalidLBHooksType();
_lbHooksParameters[lbHooksType] = hooksParameters;
emit HooksParametersSet(lbHooksType, hooksParameters);
}
/**
* @dev Creates a new LB Hooks Rewarder
* This will also try to set the LB Hooks parameters on the pair
* Only callable by the owner
* @param tokenX The address of the token X
* @param tokenY The address of the token Y
* @param binStep The bin step
* @param initialOwner The address of the initial owner
* @return rewarder The address of the LB Hooks Rewarder
*/
function createLBHooksMCRewarder(IERC20 tokenX, IERC20 tokenY, uint16 binStep, address initialOwner)
external
override
returns (address rewarder)
{
_checkRole(OPERATOR);
(ILBPair lbPair, bytes32 hooksParameters) =
_getLBPairAndHooksParameters(LBHooksType.MCRewarder, tokenX, tokenY, binStep);
uint256 pid = _masterChef.getNumberOfFarms();
bytes memory immutableData = abi.encodePacked(lbPair, pid);
rewarder = _cloneHooks(LBHooksType.MCRewarder, Hooks.getHooks(hooksParameters), immutableData);
_masterChef.add(IERC20(rewarder), IMasterChefRewarder(address(0)));
_lbFactory.setLBHooksParametersOnPair(
tokenX,
tokenY,
binStep,
Hooks.setHooks(hooksParameters, rewarder),
abi.encode(initialOwner, tokenX, tokenY, binStep)
);
}
/**
* @dev Creates a new LB Hooks Simple Rewarder
* Only callable by the owner
* @param tokenX The address of the token X
* @param tokenY The address of the token Y
* @param binStep The bin step
* @param rewardToken The address of the reward token
* @param initialOwner The address of the initial owner
* @return rewarder The address of the LB Hooks Simple Rewarder
*/
function createLBHooksSimpleRewarder(
IERC20 tokenX,
IERC20 tokenY,
uint16 binStep,
IERC20 rewardToken,
address initialOwner
) external override returns (address rewarder) {
_checkRole(OPERATOR);
(ILBPair lbPair, bytes32 hooksParameters) =
_getLBPairAndHooksParameters(LBHooksType.SimpleRewarder, tokenX, tokenY, binStep);
address lbHooksAddress = Hooks.getHooks(lbPair.getLBHooksParameters());
bytes memory immutableData = abi.encodePacked(lbPair, rewardToken, lbHooksAddress);
rewarder = _cloneHooks(LBHooksType.SimpleRewarder, Hooks.getHooks(hooksParameters), immutableData);
_lbFactory.setLBHooksParametersOnPair(
tokenX, tokenY, binStep, Hooks.setHooks(hooksParameters, rewarder), abi.encode(initialOwner)
);
}
/**
* @dev Creates a new LB Hooks Extra Rewarder
* This will also try to set the LB Hooks Extra Rewarder on the Rewarder of the pair
* Only callable by the owner
* @param tokenX The address of the token X
* @param tokenY The address of the token Y
* @param binStep The bin step
* @param rewardToken The address of the reward token
* @param initialOwner The address of the initial owner
* @return extraRewarder The address of the LB Hooks Extra Rewarder
*/
function createLBHooksExtraRewarder(
IERC20 tokenX,
IERC20 tokenY,
uint16 binStep,
IERC20 rewardToken,
address initialOwner
) external override returns (address extraRewarder) {
_checkRole(OPERATOR);
(ILBPair lbPair, bytes32 hooksParameters) =
_getLBPairAndHooksParameters(LBHooksType.ExtraRewarder, tokenX, tokenY, binStep);
address lbHooksAddress = Hooks.getHooks(lbPair.getLBHooksParameters());
if (lbHooksAddress == address(0)) revert LBHooksManager__LBHooksNotSetOnPair();
bytes memory immutableData = abi.encodePacked(lbPair, rewardToken, lbHooksAddress);
extraRewarder = _cloneHooks(LBHooksType.ExtraRewarder, Hooks.getHooks(hooksParameters), immutableData);
ILBHooksBaseParentRewarder(lbHooksAddress).setLBHooksExtraRewarder(extraRewarder, abi.encode(initialOwner));
}
/**
* @dev Internal function to get the LB Pair and the LB Hooks parameters for the given LB Hooks type
* @param lbHooksType The LB Hooks type
* @param tokenX The address of the token X
* @param tokenY The address of the token Y
* @param binStep The bin step
* @return lbPair The LB Pair
* @return hooksParameters The LB Hooks parameters
*/
function _getLBPairAndHooksParameters(LBHooksType lbHooksType, IERC20 tokenX, IERC20 tokenY, uint16 binStep)
internal
view
returns (ILBPair lbPair, bytes32 hooksParameters)
{
lbPair = _lbFactory.getLBPairInformation(tokenX, tokenY, binStep).LBPair;
if (address(lbPair) == address(0)) revert LBHooksManager__LBPairNotFound();
if (lbPair.getTokenX() != tokenX) revert LBHooksManager__UnorderedTokens();
hooksParameters = _lbHooksParameters[lbHooksType];
if (hooksParameters == bytes32(0)) revert LBHooksManager__LBHooksParametersNotSet();
}
/**
* @dev Internal function to create a new rewarder using the given implementation and immutable data
* @param lbHooksType The LB Hooks type
* @param implementation The address of the implementation
* @param immutableData The immutable data
* @return hooks The address of the LB Hooks
*/
function _cloneHooks(LBHooksType lbHooksType, address implementation, bytes memory immutableData)
internal
returns (address)
{
uint256 id = _hooks[lbHooksType].length;
ILBHooks hooks = ILBHooks(
ImmutableClone.cloneDeterministic(
implementation, immutableData, bytes32((uint256(uint8(lbHooksType)) << 248) | id)
)
);
_hooks[lbHooksType].push(hooks);
_lbHooksTypes[hooks] = lbHooksType;
emit HooksCreated(lbHooksType, id, hooks);
return address(hooks);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/extensions/AccessControlDefaultAdminRules.sol)
pragma solidity ^0.8.20;
import {IAccessControlDefaultAdminRules} from "@openzeppelin/contracts/access/extensions/IAccessControlDefaultAdminRules.sol";
import {AccessControlUpgradeable} from "../AccessControlUpgradeable.sol";
import {IAccessControl} from "@openzeppelin/contracts/access/IAccessControl.sol";
import {SafeCast} from "@openzeppelin/contracts/utils/math/SafeCast.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {IERC5313} from "@openzeppelin/contracts/interfaces/IERC5313.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";
/**
* @dev Extension of {AccessControl} that allows specifying special rules to manage
* the `DEFAULT_ADMIN_ROLE` holder, which is a sensitive role with special permissions
* over other roles that may potentially have privileged rights in the system.
*
* If a specific role doesn't have an admin role assigned, the holder of the
* `DEFAULT_ADMIN_ROLE` will have the ability to grant it and revoke it.
*
* This contract implements the following risk mitigations on top of {AccessControl}:
*
* * Only one account holds the `DEFAULT_ADMIN_ROLE` since deployment until it's potentially renounced.
* * Enforces a 2-step process to transfer the `DEFAULT_ADMIN_ROLE` to another account.
* * Enforces a configurable delay between the two steps, with the ability to cancel before the transfer is accepted.
* * The delay can be changed by scheduling, see {changeDefaultAdminDelay}.
* * It is not possible to use another role to manage the `DEFAULT_ADMIN_ROLE`.
*
* Example usage:
*
* ```solidity
* contract MyToken is AccessControlDefaultAdminRules {
* constructor() AccessControlDefaultAdminRules(
* 3 days,
* msg.sender // Explicit initial `DEFAULT_ADMIN_ROLE` holder
* ) {}
* }
* ```
*/
abstract contract AccessControlDefaultAdminRulesUpgradeable is Initializable, IAccessControlDefaultAdminRules, IERC5313, AccessControlUpgradeable {
/// @custom:storage-location erc7201:openzeppelin.storage.AccessControlDefaultAdminRules
struct AccessControlDefaultAdminRulesStorage {
// pending admin pair read/written together frequently
address _pendingDefaultAdmin;
uint48 _pendingDefaultAdminSchedule; // 0 == unset
uint48 _currentDelay;
address _currentDefaultAdmin;
// pending delay pair read/written together frequently
uint48 _pendingDelay;
uint48 _pendingDelaySchedule; // 0 == unset
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControlDefaultAdminRules")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant AccessControlDefaultAdminRulesStorageLocation = 0xeef3dac4538c82c8ace4063ab0acd2d15cdb5883aa1dff7c2673abb3d8698400;
function _getAccessControlDefaultAdminRulesStorage() private pure returns (AccessControlDefaultAdminRulesStorage storage $) {
assembly {
$.slot := AccessControlDefaultAdminRulesStorageLocation
}
}
/**
* @dev Sets the initial values for {defaultAdminDelay} and {defaultAdmin} address.
*/
function __AccessControlDefaultAdminRules_init(uint48 initialDelay, address initialDefaultAdmin) internal onlyInitializing {
__AccessControlDefaultAdminRules_init_unchained(initialDelay, initialDefaultAdmin);
}
function __AccessControlDefaultAdminRules_init_unchained(uint48 initialDelay, address initialDefaultAdmin) internal onlyInitializing {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
if (initialDefaultAdmin == address(0)) {
revert AccessControlInvalidDefaultAdmin(address(0));
}
$._currentDelay = initialDelay;
_grantRole(DEFAULT_ADMIN_ROLE, initialDefaultAdmin);
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControlDefaultAdminRules).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC5313-owner}.
*/
function owner() public view virtual returns (address) {
return defaultAdmin();
}
///
/// Override AccessControl role management
///
/**
* @dev See {AccessControl-grantRole}. Reverts for `DEFAULT_ADMIN_ROLE`.
*/
function grantRole(bytes32 role, address account) public virtual override(AccessControlUpgradeable, IAccessControl) {
if (role == DEFAULT_ADMIN_ROLE) {
revert AccessControlEnforcedDefaultAdminRules();
}
super.grantRole(role, account);
}
/**
* @dev See {AccessControl-revokeRole}. Reverts for `DEFAULT_ADMIN_ROLE`.
*/
function revokeRole(bytes32 role, address account) public virtual override(AccessControlUpgradeable, IAccessControl) {
if (role == DEFAULT_ADMIN_ROLE) {
revert AccessControlEnforcedDefaultAdminRules();
}
super.revokeRole(role, account);
}
/**
* @dev See {AccessControl-renounceRole}.
*
* For the `DEFAULT_ADMIN_ROLE`, it only allows renouncing in two steps by first calling
* {beginDefaultAdminTransfer} to the `address(0)`, so it's required that the {pendingDefaultAdmin} schedule
* has also passed when calling this function.
*
* After its execution, it will not be possible to call `onlyRole(DEFAULT_ADMIN_ROLE)` functions.
*
* NOTE: Renouncing `DEFAULT_ADMIN_ROLE` will leave the contract without a {defaultAdmin},
* thereby disabling any functionality that is only available for it, and the possibility of reassigning a
* non-administrated role.
*/
function renounceRole(bytes32 role, address account) public virtual override(AccessControlUpgradeable, IAccessControl) {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
if (role == DEFAULT_ADMIN_ROLE && account == defaultAdmin()) {
(address newDefaultAdmin, uint48 schedule) = pendingDefaultAdmin();
if (newDefaultAdmin != address(0) || !_isScheduleSet(schedule) || !_hasSchedulePassed(schedule)) {
revert AccessControlEnforcedDefaultAdminDelay(schedule);
}
delete $._pendingDefaultAdminSchedule;
}
super.renounceRole(role, account);
}
/**
* @dev See {AccessControl-_grantRole}.
*
* For `DEFAULT_ADMIN_ROLE`, it only allows granting if there isn't already a {defaultAdmin} or if the
* role has been previously renounced.
*
* NOTE: Exposing this function through another mechanism may make the `DEFAULT_ADMIN_ROLE`
* assignable again. Make sure to guarantee this is the expected behavior in your implementation.
*/
function _grantRole(bytes32 role, address account) internal virtual override returns (bool) {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
if (role == DEFAULT_ADMIN_ROLE) {
if (defaultAdmin() != address(0)) {
revert AccessControlEnforcedDefaultAdminRules();
}
$._currentDefaultAdmin = account;
}
return super._grantRole(role, account);
}
/**
* @dev See {AccessControl-_revokeRole}.
*/
function _revokeRole(bytes32 role, address account) internal virtual override returns (bool) {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
if (role == DEFAULT_ADMIN_ROLE && account == defaultAdmin()) {
delete $._currentDefaultAdmin;
}
return super._revokeRole(role, account);
}
/**
* @dev See {AccessControl-_setRoleAdmin}. Reverts for `DEFAULT_ADMIN_ROLE`.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual override {
if (role == DEFAULT_ADMIN_ROLE) {
revert AccessControlEnforcedDefaultAdminRules();
}
super._setRoleAdmin(role, adminRole);
}
///
/// AccessControlDefaultAdminRules accessors
///
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function defaultAdmin() public view virtual returns (address) {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
return $._currentDefaultAdmin;
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function pendingDefaultAdmin() public view virtual returns (address newAdmin, uint48 schedule) {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
return ($._pendingDefaultAdmin, $._pendingDefaultAdminSchedule);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function defaultAdminDelay() public view virtual returns (uint48) {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
uint48 schedule = $._pendingDelaySchedule;
return (_isScheduleSet(schedule) && _hasSchedulePassed(schedule)) ? $._pendingDelay : $._currentDelay;
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function pendingDefaultAdminDelay() public view virtual returns (uint48 newDelay, uint48 schedule) {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
schedule = $._pendingDelaySchedule;
return (_isScheduleSet(schedule) && !_hasSchedulePassed(schedule)) ? ($._pendingDelay, schedule) : (0, 0);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function defaultAdminDelayIncreaseWait() public view virtual returns (uint48) {
return 5 days;
}
///
/// AccessControlDefaultAdminRules public and internal setters for defaultAdmin/pendingDefaultAdmin
///
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function beginDefaultAdminTransfer(address newAdmin) public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
_beginDefaultAdminTransfer(newAdmin);
}
/**
* @dev See {beginDefaultAdminTransfer}.
*
* Internal function without access restriction.
*/
function _beginDefaultAdminTransfer(address newAdmin) internal virtual {
uint48 newSchedule = SafeCast.toUint48(block.timestamp) + defaultAdminDelay();
_setPendingDefaultAdmin(newAdmin, newSchedule);
emit DefaultAdminTransferScheduled(newAdmin, newSchedule);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function cancelDefaultAdminTransfer() public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
_cancelDefaultAdminTransfer();
}
/**
* @dev See {cancelDefaultAdminTransfer}.
*
* Internal function without access restriction.
*/
function _cancelDefaultAdminTransfer() internal virtual {
_setPendingDefaultAdmin(address(0), 0);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function acceptDefaultAdminTransfer() public virtual {
(address newDefaultAdmin, ) = pendingDefaultAdmin();
if (_msgSender() != newDefaultAdmin) {
// Enforce newDefaultAdmin explicit acceptance.
revert AccessControlInvalidDefaultAdmin(_msgSender());
}
_acceptDefaultAdminTransfer();
}
/**
* @dev See {acceptDefaultAdminTransfer}.
*
* Internal function without access restriction.
*/
function _acceptDefaultAdminTransfer() internal virtual {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
(address newAdmin, uint48 schedule) = pendingDefaultAdmin();
if (!_isScheduleSet(schedule) || !_hasSchedulePassed(schedule)) {
revert AccessControlEnforcedDefaultAdminDelay(schedule);
}
_revokeRole(DEFAULT_ADMIN_ROLE, defaultAdmin());
_grantRole(DEFAULT_ADMIN_ROLE, newAdmin);
delete $._pendingDefaultAdmin;
delete $._pendingDefaultAdminSchedule;
}
///
/// AccessControlDefaultAdminRules public and internal setters for defaultAdminDelay/pendingDefaultAdminDelay
///
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function changeDefaultAdminDelay(uint48 newDelay) public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
_changeDefaultAdminDelay(newDelay);
}
/**
* @dev See {changeDefaultAdminDelay}.
*
* Internal function without access restriction.
*/
function _changeDefaultAdminDelay(uint48 newDelay) internal virtual {
uint48 newSchedule = SafeCast.toUint48(block.timestamp) + _delayChangeWait(newDelay);
_setPendingDelay(newDelay, newSchedule);
emit DefaultAdminDelayChangeScheduled(newDelay, newSchedule);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function rollbackDefaultAdminDelay() public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
_rollbackDefaultAdminDelay();
}
/**
* @dev See {rollbackDefaultAdminDelay}.
*
* Internal function without access restriction.
*/
function _rollbackDefaultAdminDelay() internal virtual {
_setPendingDelay(0, 0);
}
/**
* @dev Returns the amount of seconds to wait after the `newDelay` will
* become the new {defaultAdminDelay}.
*
* The value returned guarantees that if the delay is reduced, it will go into effect
* after a wait that honors the previously set delay.
*
* See {defaultAdminDelayIncreaseWait}.
*/
function _delayChangeWait(uint48 newDelay) internal view virtual returns (uint48) {
uint48 currentDelay = defaultAdminDelay();
// When increasing the delay, we schedule the delay change to occur after a period of "new delay" has passed, up
// to a maximum given by defaultAdminDelayIncreaseWait, by default 5 days. For example, if increasing from 1 day
// to 3 days, the new delay will come into effect after 3 days. If increasing from 1 day to 10 days, the new
// delay will come into effect after 5 days. The 5 day wait period is intended to be able to fix an error like
// using milliseconds instead of seconds.
//
// When decreasing the delay, we wait the difference between "current delay" and "new delay". This guarantees
// that an admin transfer cannot be made faster than "current delay" at the time the delay change is scheduled.
// For example, if decreasing from 10 days to 3 days, the new delay will come into effect after 7 days.
return
newDelay > currentDelay
? uint48(Math.min(newDelay, defaultAdminDelayIncreaseWait())) // no need to safecast, both inputs are uint48
: currentDelay - newDelay;
}
///
/// Private setters
///
/**
* @dev Setter of the tuple for pending admin and its schedule.
*
* May emit a DefaultAdminTransferCanceled event.
*/
function _setPendingDefaultAdmin(address newAdmin, uint48 newSchedule) private {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
(, uint48 oldSchedule) = pendingDefaultAdmin();
$._pendingDefaultAdmin = newAdmin;
$._pendingDefaultAdminSchedule = newSchedule;
// An `oldSchedule` from `pendingDefaultAdmin()` is only set if it hasn't been accepted.
if (_isScheduleSet(oldSchedule)) {
// Emit for implicit cancellations when another default admin was scheduled.
emit DefaultAdminTransferCanceled();
}
}
/**
* @dev Setter of the tuple for pending delay and its schedule.
*
* May emit a DefaultAdminDelayChangeCanceled event.
*/
function _setPendingDelay(uint48 newDelay, uint48 newSchedule) private {
AccessControlDefaultAdminRulesStorage storage $ = _getAccessControlDefaultAdminRulesStorage();
uint48 oldSchedule = $._pendingDelaySchedule;
if (_isScheduleSet(oldSchedule)) {
if (_hasSchedulePassed(oldSchedule)) {
// Materialize a virtual delay
$._currentDelay = $._pendingDelay;
} else {
// Emit for implicit cancellations when another delay was scheduled.
emit DefaultAdminDelayChangeCanceled();
}
}
$._pendingDelay = newDelay;
$._pendingDelaySchedule = newSchedule;
}
///
/// Private helpers
///
/**
* @dev Defines if an `schedule` is considered set. For consistency purposes.
*/
function _isScheduleSet(uint48 schedule) private pure returns (bool) {
return schedule != 0;
}
/**
* @dev Defines if an `schedule` is considered passed. For consistency purposes.
*/
function _hasSchedulePassed(uint48 schedule) private view returns (bool) {
return schedule < block.timestamp;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
/**
* @title Liquidity Book Immutable Clone Library
* @notice Minimal immutable proxy library.
* @author Trader Joe
* @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/LibClone.sol)
* @author Minimal proxy by 0age (https://github.com/0age)
* @author Clones with immutable args by wighawag, zefram.eth, Saw-mon & Natalie
* (https://github.com/Saw-mon-and-Natalie/clones-with-immutable-args)
* @dev Minimal proxy:
* Although the sw0nt pattern saves 5 gas over the erc-1167 pattern during runtime,
* it is not supported out-of-the-box on Etherscan. Hence, we choose to use the 0age pattern,
* which saves 4 gas over the erc-1167 pattern during runtime, and has the smallest bytecode.
* @dev Clones with immutable args (CWIA):
* The implementation of CWIA here doesn't implements a `receive()` as it is not needed for LB.
*/
library ImmutableClone {
error DeploymentFailed();
error PackedDataTooBig();
/**
* @dev Deploys a deterministic clone of `implementation` using immutable arguments encoded in `data`, with `salt`
* @param implementation The address of the implementation
* @param data The encoded immutable arguments
* @param salt The salt
*/
function cloneDeterministic(address implementation, bytes memory data, bytes32 salt)
internal
returns (address instance)
{
assembly {
// Compute the boundaries of the data and cache the memory slots around it.
let mBefore2 := mload(sub(data, 0x40))
let mBefore1 := mload(sub(data, 0x20))
let dataLength := mload(data)
let dataEnd := add(add(data, 0x20), dataLength)
let mAfter1 := mload(dataEnd)
// +2 bytes for telling how much data there is appended to the call.
let extraLength := add(dataLength, 2)
// The `creationSize` is `extraLength + 63`
// The `runSize` is `creationSize - 10`.
// if `extraLength` is greater than `0xffca` revert as the `creationSize` would be greater than `0xffff`.
if gt(extraLength, 0xffca) {
// Store the function selector of `PackedDataTooBig()`.
mstore(0x00, 0xc8c78139)
// Revert with (offset, size).
revert(0x1c, 0x04)
}
/**
* ---------------------------------------------------------------------------------------------------+
* CREATION (10 bytes) |
* ---------------------------------------------------------------------------------------------------|
* Opcode | Mnemonic | Stack | Memory |
* ---------------------------------------------------------------------------------------------------|
* 61 runSize | PUSH2 runSize | r | |
* 3d | RETURNDATASIZE | 0 r | |
* 81 | DUP2 | r 0 r | |
* 60 offset | PUSH1 offset | o r 0 r | |
* 3d | RETURNDATASIZE | 0 o r 0 r | |
* 39 | CODECOPY | 0 r | [0..runSize): runtime code |
* f3 | RETURN | | [0..runSize): runtime code |
* ---------------------------------------------------------------------------------------------------|
* RUNTIME (98 bytes + extraLength) |
* ---------------------------------------------------------------------------------------------------|
* Opcode | Mnemonic | Stack | Memory |
* ---------------------------------------------------------------------------------------------------|
* |
* ::: copy calldata to memory :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
* 36 | CALLDATASIZE | cds | |
* 3d | RETURNDATASIZE | 0 cds | |
* 3d | RETURNDATASIZE | 0 0 cds | |
* 37 | CALLDATACOPY | | [0..cds): calldata |
* |
* ::: keep some values in stack :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
* 3d | RETURNDATASIZE | 0 | [0..cds): calldata |
* 3d | RETURNDATASIZE | 0 0 | [0..cds): calldata |
* 3d | RETURNDATASIZE | 0 0 0 | [0..cds): calldata |
* 3d | RETURNDATASIZE | 0 0 0 0 | [0..cds): calldata |
* 61 extra | PUSH2 extra | e 0 0 0 0 | [0..cds): calldata |
* |
* ::: copy extra data to memory :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
* 80 | DUP1 | e e 0 0 0 0 | [0..cds): calldata |
* 60 0x35 | PUSH1 0x35 | 0x35 e e 0 0 0 0 | [0..cds): calldata |
* 36 | CALLDATASIZE | cds 0x35 e e 0 0 0 0 | [0..cds): calldata |
* 39 | CODECOPY | e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* |
* ::: delegate call to the implementation contract ::::::::::::::::::::::::::::::::::::::::::::::::: |
* 36 | CALLDATASIZE | cds e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* 01 | ADD | cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* 3d | RETURNDATASIZE | 0 cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* 73 addr | PUSH20 addr | addr 0 cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* 5a | GAS | gas addr 0 cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* f4 | DELEGATECALL | success 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* |
* ::: copy return data to memory ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
* 3d | RETURNDATASIZE | rds success 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* 3d | RETURNDATASIZE | rds rds success 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
* 93 | SWAP4 | 0 rds success 0 rds | [0..cds): calldata, [cds..cds+e): extraData |
* 80 | DUP1 | 0 0 rds success 0 rds | [0..cds): calldata, [cds..cds+e): extraData |
* 3e | RETURNDATACOPY | success 0 rds | [0..rds): returndata |
* |
* 60 0x33 | PUSH1 0x33 | 0x33 success 0 rds | [0..rds): returndata |
* 57 | JUMPI | 0 rds | [0..rds): returndata |
* |
* ::: revert ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
* fd | REVERT | | [0..rds): returndata |
* |
* ::: return ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
* 5b | JUMPDEST | 0 rds | [0..rds): returndata |
* f3 | RETURN | | [0..rds): returndata |
* ---------------------------------------------------------------------------------------------------+
*/
// Write the bytecode before the data.
mstore(data, 0x5af43d3d93803e603357fd5bf3)
// Write the address of the implementation.
mstore(sub(data, 0x0d), implementation)
mstore(
sub(data, 0x21),
or(
shl(0xd8, add(extraLength, 0x35)),
or(shl(0x48, extraLength), 0x6100003d81600a3d39f3363d3d373d3d3d3d610000806035363936013d73)
)
)
mstore(dataEnd, shl(0xf0, extraLength))
// Create the instance.
instance := create2(0, sub(data, 0x1f), add(extraLength, 0x3f), salt)
// If `instance` is zero, revert.
if iszero(instance) {
// Store the function selector of `DeploymentFailed()`.
mstore(0x00, 0x30116425)
// Revert with (offset, size).
revert(0x1c, 0x04)
}
// Restore the overwritten memory surrounding `data`.
mstore(dataEnd, mAfter1)
mstore(data, dataLength)
mstore(sub(data, 0x20), mBefore1)
mstore(sub(data, 0x40), mBefore2)
}
}
/**
* @dev Returns the initialization code hash of the clone of `implementation`
* using immutable arguments encoded in `data`.
* Used for mining vanity addresses with create2crunch.
* @param implementation The address of the implementation contract.
* @param data The encoded immutable arguments.
* @return hash The initialization code hash.
*/
function initCodeHash(address implementation, bytes memory data) internal pure returns (bytes32 hash) {
assembly {
// Compute the boundaries of the data and cache the memory slots around it.
let mBefore2 := mload(sub(data, 0x40))
let mBefore1 := mload(sub(data, 0x20))
let dataLength := mload(data)
let dataEnd := add(add(data, 0x20), dataLength)
let mAfter1 := mload(dataEnd)
// +2 bytes for telling how much data there is appended to the call.
let extraLength := add(dataLength, 2)
// The `creationSize` is `extraLength + 63`
// The `runSize` is `creationSize - 10`.
// if `extraLength` is greater than `0xffca` revert as the `creationSize` would be greater than `0xffff`.
if gt(extraLength, 0xffca) {
// Store the function selector of `PackedDataTooBig()`.
mstore(0x00, 0xc8c78139)
// Revert with (offset, size).
revert(0x1c, 0x04)
}
// Write the bytecode before the data.
mstore(data, 0x5af43d3d93803e603357fd5bf3)
// Write the address of the implementation.
mstore(sub(data, 0x0d), implementation)
mstore(
sub(data, 0x21),
or(
shl(0xd8, add(extraLength, 0x35)),
or(shl(0x48, extraLength), 0x6100003d81600a3d39f3363d3d373d3d3d3d610000806035363936013d73)
)
)
mstore(dataEnd, shl(0xf0, extraLength))
// Create the instance.
hash := keccak256(sub(data, 0x1f), add(extraLength, 0x3f))
// Restore the overwritten memory surrounding `data`.
mstore(dataEnd, mAfter1)
mstore(data, dataLength)
mstore(sub(data, 0x20), mBefore1)
mstore(sub(data, 0x40), mBefore2)
}
}
/**
* @dev Returns the address of the deterministic clone of
* `implementation` using immutable arguments encoded in `data`, with `salt`, by `deployer`.
* @param implementation The address of the implementation.
* @param data The immutable arguments of the implementation.
* @param salt The salt used to compute the address.
* @param deployer The address of the deployer.
* @return predicted The predicted address.
*/
function predictDeterministicAddress(address implementation, bytes memory data, bytes32 salt, address deployer)
internal
pure
returns (address predicted)
{
bytes32 hash = initCodeHash(implementation, data);
predicted = predictDeterministicAddress(hash, salt, deployer);
}
/**
* @dev Returns the address when a contract with initialization code hash,
* `hash`, is deployed with `salt`, by `deployer`.
* @param hash The initialization code hash.
* @param salt The salt used to compute the address.
* @param deployer The address of the deployer.
* @return predicted The predicted address.
*/
function predictDeterministicAddress(bytes32 hash, bytes32 salt, address deployer)
internal
pure
returns (address predicted)
{
/// @solidity memory-safe-assembly
assembly {
// Compute the boundaries of the data and cache the memory slots around it.
let mBefore := mload(0x35)
// Compute and store the bytecode hash.
mstore8(0x00, 0xff) // Write the prefix.
mstore(0x35, hash)
mstore(0x01, shl(96, deployer))
mstore(0x15, salt)
predicted := keccak256(0x00, 0x55)
// Restore the part of the free memory pointer that has been overwritten.
mstore(0x35, mBefore)
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {ILBHooks} from "../interfaces/ILBHooks.sol";
/**
* @title Hooks library
* @notice This library contains functions that should be used to interact with hooks
*/
library Hooks {
error Hooks__CallFailed();
bytes32 internal constant BEFORE_SWAP_FLAG = bytes32(uint256(1 << 160));
bytes32 internal constant AFTER_SWAP_FLAG = bytes32(uint256(1 << 161));
bytes32 internal constant BEFORE_FLASH_LOAN_FLAG = bytes32(uint256(1 << 162));
bytes32 internal constant AFTER_FLASH_LOAN_FLAG = bytes32(uint256(1 << 163));
bytes32 internal constant BEFORE_MINT_FLAG = bytes32(uint256(1 << 164));
bytes32 internal constant AFTER_MINT_FLAG = bytes32(uint256(1 << 165));
bytes32 internal constant BEFORE_BURN_FLAG = bytes32(uint256(1 << 166));
bytes32 internal constant AFTER_BURN_FLAG = bytes32(uint256(1 << 167));
bytes32 internal constant BEFORE_TRANSFER_FLAG = bytes32(uint256(1 << 168));
bytes32 internal constant AFTER_TRANSFER_FLAG = bytes32(uint256(1 << 169));
struct Parameters {
address hooks;
bool beforeSwap;
bool afterSwap;
bool beforeFlashLoan;
bool afterFlashLoan;
bool beforeMint;
bool afterMint;
bool beforeBurn;
bool afterBurn;
bool beforeBatchTransferFrom;
bool afterBatchTransferFrom;
}
/**
* @dev Helper function to encode the hooks parameters to a single bytes32 value
* @param parameters The hooks parameters
* @return hooksParameters The encoded hooks parameters
*/
function encode(Parameters memory parameters) internal pure returns (bytes32 hooksParameters) {
hooksParameters = bytes32(uint256(uint160(address(parameters.hooks))));
if (parameters.beforeSwap) hooksParameters |= BEFORE_SWAP_FLAG;
if (parameters.afterSwap) hooksParameters |= AFTER_SWAP_FLAG;
if (parameters.beforeFlashLoan) hooksParameters |= BEFORE_FLASH_LOAN_FLAG;
if (parameters.afterFlashLoan) hooksParameters |= AFTER_FLASH_LOAN_FLAG;
if (parameters.beforeMint) hooksParameters |= BEFORE_MINT_FLAG;
if (parameters.afterMint) hooksParameters |= AFTER_MINT_FLAG;
if (parameters.beforeBurn) hooksParameters |= BEFORE_BURN_FLAG;
if (parameters.afterBurn) hooksParameters |= AFTER_BURN_FLAG;
if (parameters.beforeBatchTransferFrom) hooksParameters |= BEFORE_TRANSFER_FLAG;
if (parameters.afterBatchTransferFrom) hooksParameters |= AFTER_TRANSFER_FLAG;
}
/**
* @dev Helper function to decode the hooks parameters from a single bytes32 value
* @param hooksParameters The encoded hooks parameters
* @return parameters The hooks parameters
*/
function decode(bytes32 hooksParameters) internal pure returns (Parameters memory parameters) {
parameters.hooks = getHooks(hooksParameters);
parameters.beforeSwap = (hooksParameters & BEFORE_SWAP_FLAG) != 0;
parameters.afterSwap = (hooksParameters & AFTER_SWAP_FLAG) != 0;
parameters.beforeFlashLoan = (hooksParameters & BEFORE_FLASH_LOAN_FLAG) != 0;
parameters.afterFlashLoan = (hooksParameters & AFTER_FLASH_LOAN_FLAG) != 0;
parameters.beforeMint = (hooksParameters & BEFORE_MINT_FLAG) != 0;
parameters.afterMint = (hooksParameters & AFTER_MINT_FLAG) != 0;
parameters.beforeBurn = (hooksParameters & BEFORE_BURN_FLAG) != 0;
parameters.afterBurn = (hooksParameters & AFTER_BURN_FLAG) != 0;
parameters.beforeBatchTransferFrom = (hooksParameters & BEFORE_TRANSFER_FLAG) != 0;
parameters.afterBatchTransferFrom = (hooksParameters & AFTER_TRANSFER_FLAG) != 0;
}
/**
* @dev Helper function to get the hooks address from the encoded hooks parameters
* @param hooksParameters The encoded hooks parameters
* @return hooks The hooks address
*/
function getHooks(bytes32 hooksParameters) internal pure returns (address hooks) {
hooks = address(uint160(uint256(hooksParameters)));
}
/**
* @dev Helper function to set the hooks address in the encoded hooks parameters
* @param hooksParameters The encoded hooks parameters
* @param newHooks The new hooks address
* @return hooksParameters The updated hooks parameters
*/
function setHooks(bytes32 hooksParameters, address newHooks) internal pure returns (bytes32) {
return bytes32(bytes12(hooksParameters)) | bytes32(uint256(uint160(newHooks)));
}
/**
* @dev Helper function to get the flags from the encoded hooks parameters
* @param hooksParameters The encoded hooks parameters
* @return flags The flags
*/
function getFlags(bytes32 hooksParameters) internal pure returns (bytes12 flags) {
flags = bytes12(hooksParameters);
}
/**
* @dev Helper function call the onHooksSet function on the hooks contract, only if the
* hooksParameters is not 0
* @param hooksParameters The encoded hooks parameters
* @param onHooksSetData The data to pass to the onHooksSet function
*/
function onHooksSet(bytes32 hooksParameters, bytes calldata onHooksSetData) internal {
if (hooksParameters != 0) {
_safeCall(
hooksParameters, abi.encodeWithSelector(ILBHooks.onHooksSet.selector, hooksParameters, onHooksSetData)
);
}
}
/**
* @dev Helper function to call the beforeSwap function on the hooks contract, only if the
* BEFORE_SWAP_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param to The recipient
* @param swapForY Whether the swap is for Y
* @param amountsIn The amounts in
*/
function beforeSwap(bytes32 hooksParameters, address sender, address to, bool swapForY, bytes32 amountsIn)
internal
{
if ((hooksParameters & BEFORE_SWAP_FLAG) != 0) {
_safeCall(
hooksParameters, abi.encodeWithSelector(ILBHooks.beforeSwap.selector, sender, to, swapForY, amountsIn)
);
}
}
/**
* @dev Helper function to call the afterSwap function on the hooks contract, only if the
* AFTER_SWAP_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param to The recipient
* @param swapForY Whether the swap is for Y
* @param amountsOut The amounts out
*/
function afterSwap(bytes32 hooksParameters, address sender, address to, bool swapForY, bytes32 amountsOut)
internal
{
if ((hooksParameters & AFTER_SWAP_FLAG) != 0) {
_safeCall(
hooksParameters, abi.encodeWithSelector(ILBHooks.afterSwap.selector, sender, to, swapForY, amountsOut)
);
}
}
/**
* @dev Helper function to call the beforeFlashLoan function on the hooks contract, only if the
* BEFORE_FLASH_LOAN_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param to The recipient
* @param amounts The amounts
*/
function beforeFlashLoan(bytes32 hooksParameters, address sender, address to, bytes32 amounts) internal {
if ((hooksParameters & BEFORE_FLASH_LOAN_FLAG) != 0) {
_safeCall(hooksParameters, abi.encodeWithSelector(ILBHooks.beforeFlashLoan.selector, sender, to, amounts));
}
}
/**
* @dev Helper function to call the afterFlashLoan function on the hooks contract, only if the
* AFTER_FLASH_LOAN_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param to The recipient
* @param fees The fees
* @param feesReceived The fees received
*/
function afterFlashLoan(bytes32 hooksParameters, address sender, address to, bytes32 fees, bytes32 feesReceived)
internal
{
if ((hooksParameters & AFTER_FLASH_LOAN_FLAG) != 0) {
_safeCall(
hooksParameters,
abi.encodeWithSelector(ILBHooks.afterFlashLoan.selector, sender, to, fees, feesReceived)
);
}
}
/**
* @dev Helper function to call the beforeMint function on the hooks contract, only if the
* BEFORE_MINT_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param to The recipient
* @param liquidityConfigs The liquidity configs
* @param amountsReceived The amounts received
*/
function beforeMint(
bytes32 hooksParameters,
address sender,
address to,
bytes32[] calldata liquidityConfigs,
bytes32 amountsReceived
) internal {
if ((hooksParameters & BEFORE_MINT_FLAG) != 0) {
_safeCall(
hooksParameters,
abi.encodeWithSelector(ILBHooks.beforeMint.selector, sender, to, liquidityConfigs, amountsReceived)
);
}
}
/**
* @dev Helper function to call the afterMint function on the hooks contract, only if the
* AFTER_MINT_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param to The recipient
* @param liquidityConfigs The liquidity configs
* @param amountsIn The amounts in
*/
function afterMint(
bytes32 hooksParameters,
address sender,
address to,
bytes32[] calldata liquidityConfigs,
bytes32 amountsIn
) internal {
if ((hooksParameters & AFTER_MINT_FLAG) != 0) {
_safeCall(
hooksParameters,
abi.encodeWithSelector(ILBHooks.afterMint.selector, sender, to, liquidityConfigs, amountsIn)
);
}
}
/**
* @dev Helper function to call the beforeBurn function on the hooks contract, only if the
* BEFORE_BURN_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param from The sender
* @param to The recipient
* @param ids The ids
* @param amountsToBurn The amounts to burn
*/
function beforeBurn(
bytes32 hooksParameters,
address sender,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amountsToBurn
) internal {
if ((hooksParameters & BEFORE_BURN_FLAG) != 0) {
_safeCall(
hooksParameters,
abi.encodeWithSelector(ILBHooks.beforeBurn.selector, sender, from, to, ids, amountsToBurn)
);
}
}
/**
* @dev Helper function to call the afterBurn function on the hooks contract, only if the
* AFTER_BURN_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param from The sender
* @param to The recipient
* @param ids The ids
* @param amountsToBurn The amounts to burn
*/
function afterBurn(
bytes32 hooksParameters,
address sender,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amountsToBurn
) internal {
if ((hooksParameters & AFTER_BURN_FLAG) != 0) {
_safeCall(
hooksParameters,
abi.encodeWithSelector(ILBHooks.afterBurn.selector, sender, from, to, ids, amountsToBurn)
);
}
}
/**
* @dev Helper function to call the beforeTransferFrom function on the hooks contract, only if the
* BEFORE_TRANSFER_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param from The sender
* @param to The recipient
* @param ids The list of ids
* @param amounts The list of amounts
*/
function beforeBatchTransferFrom(
bytes32 hooksParameters,
address sender,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts
) internal {
if ((hooksParameters & BEFORE_TRANSFER_FLAG) != 0) {
_safeCall(
hooksParameters,
abi.encodeWithSelector(ILBHooks.beforeBatchTransferFrom.selector, sender, from, to, ids, amounts)
);
}
}
/**
* @dev Helper function to call the afterTransferFrom function on the hooks contract, only if the
* AFTER_TRANSFER_FLAG is set in the hooksParameters
* @param hooksParameters The encoded hooks parameters
* @param sender The sender
* @param from The sender
* @param to The recipient
* @param ids The list of ids
* @param amounts The list of amounts
*/
function afterBatchTransferFrom(
bytes32 hooksParameters,
address sender,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts
) internal {
if ((hooksParameters & AFTER_TRANSFER_FLAG) != 0) {
_safeCall(
hooksParameters,
abi.encodeWithSelector(ILBHooks.afterBatchTransferFrom.selector, sender, from, to, ids, amounts)
);
}
}
/**
* @dev Helper function to call the hooks contract and verify the call was successful
* by matching the expected selector with the returned data
* @param hooksParameters The encoded hooks parameters
* @param data The data to pass to the hooks contract
*/
function _safeCall(bytes32 hooksParameters, bytes memory data) private {
bool success;
address hooks = getHooks(hooksParameters);
assembly {
let expectedSelector := shr(224, mload(add(data, 0x20)))
success := call(gas(), hooks, 0, add(data, 0x20), mload(data), 0, 0x20)
if and(iszero(success), iszero(iszero(returndatasize()))) {
returndatacopy(0, 0, returndatasize())
revert(0, returndatasize())
}
success := and(success, and(gt(returndatasize(), 0x1f), eq(shr(224, mload(0)), expectedSelector)))
}
if (!success) revert Hooks__CallFailed();
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {ILBHooks} from "./ILBHooks.sol";
import {ILBPair} from "./ILBPair.sol";
/**
* @title Liquidity Book Factory Interface
* @author Trader Joe
* @notice Required interface of LBFactory contract
*/
interface ILBFactory {
error LBFactory__IdenticalAddresses(IERC20 token);
error LBFactory__QuoteAssetNotWhitelisted(IERC20 quoteAsset);
error LBFactory__QuoteAssetAlreadyWhitelisted(IERC20 quoteAsset);
error LBFactory__AddressZero();
error LBFactory__LBPairAlreadyExists(IERC20 tokenX, IERC20 tokenY, uint256 _binStep);
error LBFactory__LBPairDoesNotExist(IERC20 tokenX, IERC20 tokenY, uint256 binStep);
error LBFactory__LBPairNotCreated(IERC20 tokenX, IERC20 tokenY, uint256 binStep);
error LBFactory__FlashLoanFeeAboveMax(uint256 fees, uint256 maxFees);
error LBFactory__BinStepTooLow(uint256 binStep);
error LBFactory__PresetIsLockedForUsers(address user, uint256 binStep);
error LBFactory__LBPairIgnoredIsAlreadyInTheSameState();
error LBFactory__BinStepHasNoPreset(uint256 binStep);
error LBFactory__PresetOpenStateIsAlreadyInTheSameState();
error LBFactory__SameFeeRecipient(address feeRecipient);
error LBFactory__SameFlashLoanFee(uint256 flashLoanFee);
error LBFactory__LBPairSafetyCheckFailed(address LBPairImplementation);
error LBFactory__SameImplementation(address LBPairImplementation);
error LBFactory__ImplementationNotSet();
error LBFactory__SameHooksImplementation(address hooksImplementation);
error LBFactory__SameHooksParameters(bytes32 hooksParameters);
error LBFactory__InvalidHooksParameters();
error LBFactory__CannotGrantDefaultAdminRole();
/**
* @dev Structure to store the LBPair information, such as:
* binStep: The bin step of the LBPair
* LBPair: The address of the LBPair
* createdByOwner: Whether the pair was created by the owner of the factory
* ignoredForRouting: Whether the pair is ignored for routing or not. An ignored pair will not be explored during routes finding
*/
struct LBPairInformation {
uint16 binStep;
ILBPair LBPair;
bool createdByOwner;
bool ignoredForRouting;
}
event LBPairCreated(
IERC20 indexed tokenX, IERC20 indexed tokenY, uint256 indexed binStep, ILBPair LBPair, uint256 pid
);
event FeeRecipientSet(address oldRecipient, address newRecipient);
event FlashLoanFeeSet(uint256 oldFlashLoanFee, uint256 newFlashLoanFee);
event LBPairImplementationSet(address oldLBPairImplementation, address LBPairImplementation);
event LBPairIgnoredStateChanged(ILBPair indexed LBPair, bool ignored);
event PresetSet(
uint256 indexed binStep,
uint256 baseFactor,
uint256 filterPeriod,
uint256 decayPeriod,
uint256 reductionFactor,
uint256 variableFeeControl,
uint256 protocolShare,
uint256 maxVolatilityAccumulator
);
event PresetOpenStateChanged(uint256 indexed binStep, bool indexed isOpen);
event PresetRemoved(uint256 indexed binStep);
event QuoteAssetAdded(IERC20 indexed quoteAsset);
event QuoteAssetRemoved(IERC20 indexed quoteAsset);
function getMinBinStep() external pure returns (uint256);
function getFeeRecipient() external view returns (address);
function getMaxFlashLoanFee() external pure returns (uint256);
function getFlashLoanFee() external view returns (uint256);
function getLBPairImplementation() external view returns (address);
function getNumberOfLBPairs() external view returns (uint256);
function getLBPairAtIndex(uint256 id) external returns (ILBPair);
function getNumberOfQuoteAssets() external view returns (uint256);
function getQuoteAssetAtIndex(uint256 index) external view returns (IERC20);
function isQuoteAsset(IERC20 token) external view returns (bool);
function getLBPairInformation(IERC20 tokenX, IERC20 tokenY, uint256 binStep)
external
view
returns (LBPairInformation memory);
function getPreset(uint256 binStep)
external
view
returns (
uint256 baseFactor,
uint256 filterPeriod,
uint256 decayPeriod,
uint256 reductionFactor,
uint256 variableFeeControl,
uint256 protocolShare,
uint256 maxAccumulator,
bool isOpen
);
function getAllBinSteps() external view returns (uint256[] memory presetsBinStep);
function getOpenBinSteps() external view returns (uint256[] memory openBinStep);
function getAllLBPairs(IERC20 tokenX, IERC20 tokenY)
external
view
returns (LBPairInformation[] memory LBPairsBinStep);
function setLBPairImplementation(address lbPairImplementation) external;
function createLBPair(IERC20 tokenX, IERC20 tokenY, uint24 activeId, uint16 binStep)
external
returns (ILBPair pair);
function setLBPairIgnored(IERC20 tokenX, IERC20 tokenY, uint16 binStep, bool ignored) external;
function setPreset(
uint16 binStep,
uint16 baseFactor,
uint16 filterPeriod,
uint16 decayPeriod,
uint16 reductionFactor,
uint24 variableFeeControl,
uint16 protocolShare,
uint24 maxVolatilityAccumulator,
bool isOpen
) external;
function setPresetOpenState(uint16 binStep, bool isOpen) external;
function removePreset(uint16 binStep) external;
function setFeesParametersOnPair(
IERC20 tokenX,
IERC20 tokenY,
uint16 binStep,
uint16 baseFactor,
uint16 filterPeriod,
uint16 decayPeriod,
uint16 reductionFactor,
uint24 variableFeeControl,
uint16 protocolShare,
uint24 maxVolatilityAccumulator
) external;
function setLBHooksParametersOnPair(
IERC20 tokenX,
IERC20 tokenY,
uint16 binStep,
bytes32 hooksParameters,
bytes memory onHooksSetData
) external;
function removeLBHooksOnPair(IERC20 tokenX, IERC20 tokenY, uint16 binStep) external;
function setFeeRecipient(address feeRecipient) external;
function setFlashLoanFee(uint256 flashLoanFee) external;
function addQuoteAsset(IERC20 quoteAsset) external;
function removeQuoteAsset(IERC20 quoteAsset) external;
function forceDecay(ILBPair lbPair) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {Hooks} from "../libraries/Hooks.sol";
import {ILBFactory} from "./ILBFactory.sol";
import {ILBFlashLoanCallback} from "./ILBFlashLoanCallback.sol";
import {ILBToken} from "./ILBToken.sol";
interface ILBPair is ILBToken {
error LBPair__ZeroBorrowAmount();
error LBPair__AddressZero();
error LBPair__EmptyMarketConfigs();
error LBPair__FlashLoanCallbackFailed();
error LBPair__FlashLoanInsufficientAmount();
error LBPair__InsufficientAmountIn();
error LBPair__InsufficientAmountOut();
error LBPair__InvalidInput();
error LBPair__InvalidStaticFeeParameters();
error LBPair__OnlyFactory();
error LBPair__OnlyProtocolFeeRecipient();
error LBPair__OutOfLiquidity();
error LBPair__TokenNotSupported();
error LBPair__ZeroAmount(uint24 id);
error LBPair__ZeroAmountsOut(uint24 id);
error LBPair__ZeroShares(uint24 id);
error LBPair__MaxTotalFeeExceeded();
error LBPair__InvalidHooks();
struct MintArrays {
uint256[] ids;
bytes32[] amounts;
uint256[] liquidityMinted;
}
event DepositedToBins(address indexed sender, address indexed to, uint256[] ids, bytes32[] amounts);
event WithdrawnFromBins(address indexed sender, address indexed to, uint256[] ids, bytes32[] amounts);
event CompositionFees(address indexed sender, uint24 id, bytes32 totalFees, bytes32 protocolFees);
event CollectedProtocolFees(address indexed feeRecipient, bytes32 protocolFees);
event Swap(
address indexed sender,
address indexed to,
uint24 id,
bytes32 amountsIn,
bytes32 amountsOut,
uint24 volatilityAccumulator,
bytes32 totalFees,
bytes32 protocolFees
);
event StaticFeeParametersSet(
address indexed sender,
uint16 baseFactor,
uint16 filterPeriod,
uint16 decayPeriod,
uint16 reductionFactor,
uint24 variableFeeControl,
uint16 protocolShare,
uint24 maxVolatilityAccumulator
);
event HooksParametersSet(address indexed sender, bytes32 hooksParameters);
event FlashLoan(
address indexed sender,
ILBFlashLoanCallback indexed receiver,
uint24 activeId,
bytes32 amounts,
bytes32 totalFees,
bytes32 protocolFees
);
event OracleLengthIncreased(address indexed sender, uint16 oracleLength);
event ForcedDecay(address indexed sender, uint24 idReference, uint24 volatilityReference);
function initialize(
uint16 baseFactor,
uint16 filterPeriod,
uint16 decayPeriod,
uint16 reductionFactor,
uint24 variableFeeControl,
uint16 protocolShare,
uint24 maxVolatilityAccumulator,
uint24 activeId
) external;
function implementation() external view returns (address);
function getFactory() external view returns (ILBFactory factory);
function getTokenX() external view returns (IERC20 tokenX);
function getTokenY() external view returns (IERC20 tokenY);
function getBinStep() external view returns (uint16 binStep);
function getReserves() external view returns (uint128 reserveX, uint128 reserveY);
function getActiveId() external view returns (uint24 activeId);
function getBin(uint24 id) external view returns (uint128 binReserveX, uint128 binReserveY);
function getNextNonEmptyBin(bool swapForY, uint24 id) external view returns (uint24 nextId);
function getProtocolFees() external view returns (uint128 protocolFeeX, uint128 protocolFeeY);
function getStaticFeeParameters()
external
view
returns (
uint16 baseFactor,
uint16 filterPeriod,
uint16 decayPeriod,
uint16 reductionFactor,
uint24 variableFeeControl,
uint16 protocolShare,
uint24 maxVolatilityAccumulator
);
function getLBHooksParameters() external view returns (bytes32 hooksParameters);
function getVariableFeeParameters()
external
view
returns (uint24 volatilityAccumulator, uint24 volatilityReference, uint24 idReference, uint40 timeOfLastUpdate);
function getOracleParameters()
external
view
returns (uint8 sampleLifetime, uint16 size, uint16 activeSize, uint40 lastUpdated, uint40 firstTimestamp);
function getOracleSampleAt(uint40 lookupTimestamp)
external
view
returns (uint64 cumulativeId, uint64 cumulativeVolatility, uint64 cumulativeBinCrossed);
function getPriceFromId(uint24 id) external view returns (uint256 price);
function getIdFromPrice(uint256 price) external view returns (uint24 id);
function getSwapIn(uint128 amountOut, bool swapForY)
external
view
returns (uint128 amountIn, uint128 amountOutLeft, uint128 fee);
function getSwapOut(uint128 amountIn, bool swapForY)
external
view
returns (uint128 amountInLeft, uint128 amountOut, uint128 fee);
function swap(bool swapForY, address to) external returns (bytes32 amountsOut);
function flashLoan(ILBFlashLoanCallback receiver, bytes32 amounts, bytes calldata data) external;
function mint(address to, bytes32[] calldata liquidityConfigs, address refundTo)
external
returns (bytes32 amountsReceived, bytes32 amountsLeft, uint256[] memory liquidityMinted);
function burn(address from, address to, uint256[] calldata ids, uint256[] calldata amountsToBurn)
external
returns (bytes32[] memory amounts);
function collectProtocolFees() external returns (bytes32 collectedProtocolFees);
function increaseOracleLength(uint16 newLength) external;
function setStaticFeeParameters(
uint16 baseFactor,
uint16 filterPeriod,
uint16 decayPeriod,
uint16 reductionFactor,
uint24 variableFeeControl,
uint16 protocolShare,
uint24 maxVolatilityAccumulator
) external;
function setHooksParameters(bytes32 hooksParameters, bytes calldata onHooksSetData) external;
function forceDecay() external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
// src/libraries/Constants.sol
/**
* @title Constants Library
* @dev A library that defines various constants used throughout the codebase.
*/
library Constants {
uint256 internal constant ACC_PRECISION_BITS = 64;
uint256 internal constant PRECISION = 1e18;
uint256 internal constant MAX_NUMBER_OF_FARMS = 32;
uint256 internal constant MAX_NUMBER_OF_REWARDS = 32;
uint256 internal constant MAX_LUM_PER_SECOND = 10e18;
uint256 internal constant MAX_BRIBES_PER_POOL = 5;
}
// src/libraries/Math.sol
/**
* @title Math
* @dev Library for mathematical operations with overflow and underflow checks.
*/
library Math {
error Math__UnderOverflow();
uint256 internal constant MAX_INT256 = 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
/**
* @dev Adds a signed integer to an unsigned integer with overflow check.
* The result must be greater than or equal to 0 and less than or equal to MAX_INT256.
* @param x Unsigned integer to add to.
* @param delta Signed integer to add.
* @return y The result of the addition.
*/
function addDelta(uint256 x, int256 delta) internal pure returns (uint256 y) {
uint256 success;
assembly {
y := add(x, delta)
success := iszero(or(gt(x, MAX_INT256), gt(y, MAX_INT256)))
}
if (success == 0) revert Math__UnderOverflow();
}
/**
* @dev Safely converts an unsigned integer to a signed integer.
* @param x Unsigned integer to convert.
* @return y Signed integer result.
*/
function toInt256(uint256 x) internal pure returns (int256 y) {
if (x > MAX_INT256) revert Math__UnderOverflow();
return int256(x);
}
}
// src/interfaces/IMetro.sol
interface IMetro is IERC20 {
function mint(address account, uint256 amount) external returns (uint256);
}
// src/interfaces/IRewarder.sol
interface IRewarder {
function getToken() external view returns (IERC20);
function getCaller() external view returns (address);
function initialize(address initialOwner) external;
}
// src/libraries/Amounts.sol
/**
* @title Amounts Library
* @dev A library that defines various functions for manipulating amounts of a key and a total.
* The key can be bytes32, address, or uint256.
*/
library Amounts {
using Math for uint256;
struct Parameter {
uint256 totalAmount;
mapping(bytes32 => uint256) amounts;
}
/**
* @dev Returns the amount of a key.
* @param amounts The storage pointer to the amounts.
* @param key The key of the amount.
* @return The amount of the key.
*/
function getAmountOf(Parameter storage amounts, bytes32 key) internal view returns (uint256) {
return amounts.amounts[key];
}
/**
* @dev Returns the amount of an address.
* @param amounts The storage pointer to the amounts.
* @param account The address of the amount.
* @return The amount of the address.
*/
function getAmountOf(Parameter storage amounts, address account) internal view returns (uint256) {
return getAmountOf(amounts, bytes32(uint256(uint160(account))));
}
/**
* @dev Returns the amount of an id.
* @param amounts The storage pointer to the amounts.
* @param id The id of the amount.
* @return The amount of the id.
*/
function getAmountOf(Parameter storage amounts, uint256 id) internal view returns (uint256) {
return getAmountOf(amounts, bytes32(id));
}
/**
* @dev Returns the total amount.
* @param amounts The storage pointer to the amounts.
* @return The total amount.
*/
function getTotalAmount(Parameter storage amounts) internal view returns (uint256) {
return amounts.totalAmount;
}
/**
* @dev Updates the amount of a key. The delta is added to the key amount and the total amount.
* @param amounts The storage pointer to the amounts.
* @param key The key of the amount.
* @param deltaAmount The delta amount to update.
* @return oldAmount The old amount of the key.
* @return newAmount The new amount of the key.
* @return oldTotalAmount The old total amount.
* @return newTotalAmount The new total amount.
*/
function update(Parameter storage amounts, bytes32 key, int256 deltaAmount)
internal
returns (uint256 oldAmount, uint256 newAmount, uint256 oldTotalAmount, uint256 newTotalAmount)
{
oldAmount = amounts.amounts[key];
oldTotalAmount = amounts.totalAmount;
if (deltaAmount == 0) {
newAmount = oldAmount;
newTotalAmount = oldTotalAmount;
} else {
newAmount = oldAmount.addDelta(deltaAmount);
newTotalAmount = oldTotalAmount.addDelta(deltaAmount);
amounts.amounts[key] = newAmount;
amounts.totalAmount = newTotalAmount;
}
}
/**
* @dev Updates the amount of an address. The delta is added to the address amount and the total amount.
* @param amounts The storage pointer to the amounts.
* @param account The address of the amount.
* @param deltaAmount The delta amount to update.
* @return oldAmount The old amount of the key.
* @return newAmount The new amount of the key.
* @return oldTotalAmount The old total amount.
* @return newTotalAmount The new total amount.
*/
function update(Parameter storage amounts, address account, int256 deltaAmount)
internal
returns (uint256 oldAmount, uint256 newAmount, uint256 oldTotalAmount, uint256 newTotalAmount)
{
return update(amounts, bytes32(uint256(uint160(account))), deltaAmount);
}
/**
* @dev Updates the amount of an id. The delta is added to the id amount and the total amount.
* @param amounts The storage pointer to the amounts.
* @param id The id of the amount.
* @param deltaAmount The delta amount to update.
* @return oldAmount The old amount of the key.
* @return newAmount The new amount of the key.
* @return oldTotalAmount The old total amount.
* @return newTotalAmount The new total amount.
*/
function update(Parameter storage amounts, uint256 id, int256 deltaAmount)
internal
returns (uint256 oldAmount, uint256 newAmount, uint256 oldTotalAmount, uint256 newTotalAmount)
{
return update(amounts, bytes32(id), deltaAmount);
}
}
// src/interfaces/IBaseRewarder.sol
interface IBaseRewarder is IRewarder {
error BaseRewarder__NativeTransferFailed();
error BaseRewarder__InvalidCaller();
error BaseRewarder__Stopped();
error BaseRewarder__AlreadyStopped();
error BaseRewarder__NotNativeRewarder();
error BaseRewarder__ZeroAmount();
error BaseRewarder__ZeroReward();
error BaseRewarder__InvalidDuration();
error BaseRewarder__InvalidPid(uint256 pid);
error BaseRewarder__InvalidStartTimestamp(uint256 startTimestamp);
error BaseRewarder__CannotRenounceOwnership();
event Claim(address indexed account, IERC20 indexed token, uint256 reward);
event RewardParameterUpdated(uint256 rewardPerSecond, uint256 startTimestamp, uint256 endTimestamp);
event Stopped();
event Swept(IERC20 indexed token, address indexed account, uint256 amount);
function getToken() external view returns (IERC20);
function getCaller() external view returns (address);
function getPid() external view returns (uint256);
function getRewarderParameter()
external
view
returns (IERC20 token, uint256 rewardPerSecond, uint256 lastUpdateTimestamp, uint256 endTimestamp);
function getRemainingReward() external view returns (uint256);
function getPendingReward(address account, uint256 balance, uint256 totalSupply)
external
view
returns (IERC20 token, uint256 pendingReward);
function isStopped() external view returns (bool);
function initialize(address initialOwner) external;
function setRewardPerSecond(uint256 maxRewardPerSecond, uint256 expectedDuration)
external
returns (uint256 rewardPerSecond);
function setRewarderParameters(uint256 maxRewardPerSecond, uint256 startTimestamp, uint256 expectedDuration)
external
returns (uint256 rewardPerSecond);
function stop() external;
function sweep(IERC20 token, address account) external;
function onModify(address account, uint256 pid, uint256 oldBalance, uint256 newBalance, uint256 totalSupply)
external
returns (uint256);
}
// src/interfaces/IBribeRewarder.sol
interface IBribeRewarder is IRewarder {
error BribeRewarder__OnlyVoter();
error BribeRewarder__InsufficientFunds();
error BribeRewarder__WrongStartId();
error BribeRewarder__WrongEndId();
error BribeRewarder__ZeroReward();
error BribeRewarder__NativeTransferFailed();
error BribeRewarder__NotOwner();
error BribeRewarder__CannotRenounceOwnership();
error BribeRewarder__NotNativeRewarder();
error BribeRewarder__AlreadyInitialized();
error BribeRewarder__PeriodNotFound();
event Claimed(uint256 indexed tokenId, address indexed pool, uint256 amount);
event Deposited(uint256 indexed periodId, uint256 indexed tokenId, address indexed pool, uint256 amount);
event BribeInit(uint256 indexed startId, uint256 indexed lastId, uint256 amountPerPeriod);
function bribe(uint256 startId, uint256 lastId, uint256 amountPerPeriod) external;
function claim(uint256 tokenId) external;
function deposit(uint256 periodId, uint256 tokenId, uint256 deltaAmount) external;
function getPool() external view returns (address);
function getPendingReward(uint256 tokenId) external view returns (uint256);
function getBribePeriods() external view returns (address pool, uint256[] memory);
function getStartVotingPeriodId() external view returns (uint256);
function getLastVotingPeriodId() external view returns (uint256);
function getAmountPerPeriod() external view returns (uint256);
}
// src/interfaces/IMasterChefRewarder.sol
interface IMasterChefRewarder is IBaseRewarder {
error MasterChefRewarder__AlreadyLinked();
error MasterChefRewarder__NotLinked();
error MasterChefRewarder__UseUnlink();
enum Status {
Unlinked,
Linked,
Stopped
}
function link(uint256 pid) external;
function unlink(uint256 pid) external;
}
// src/libraries/Rewarder.sol
/**
* @title Rewarder Library
* @dev A library that defines various functions for calculating rewards.
* It takes care about the reward debt and the accumulated debt per share.
*/
library Rewarder {
using Amounts for Amounts.Parameter;
struct Parameter {
uint256 lastUpdateTimestamp;
uint256 accDebtPerShare;
mapping(address => uint256) debt;
}
/**
* @dev Returns the debt associated with an amount.
* @param accDebtPerShare The accumulated debt per share.
* @param deposit The amount.
* @return The debt associated with the amount.
*/
function getDebt(uint256 accDebtPerShare, uint256 deposit) internal pure returns (uint256) {
return (deposit * accDebtPerShare) >> Constants.ACC_PRECISION_BITS;
}
/**
* @dev Returns the debt per share associated with a total deposit and total rewards.
* @param totalDeposit The total deposit.
* @param totalRewards The total rewards.
* @return The debt per share associated with the total deposit and total rewards.
*/
function getDebtPerShare(uint256 totalDeposit, uint256 totalRewards) internal pure returns (uint256) {
return totalDeposit == 0 ? 0 : (totalRewards << Constants.ACC_PRECISION_BITS) / totalDeposit;
}
/**
* @dev Returns the total rewards to emit.
* If the end timestamp is in the past, the rewards are calculated up to the end timestamp.
* If the last update timestamp is in the future, it will return 0.
* @param rewarder The storage pointer to the rewarder.
* @param rewardPerSecond The reward per second.
* @param endTimestamp The end timestamp.
* @param totalSupply The total supply.
* @return The total rewards.
*/
function getTotalRewards(
Parameter storage rewarder,
uint256 rewardPerSecond,
uint256 endTimestamp,
uint256 totalSupply
) internal view returns (uint256) {
if (totalSupply == 0) return 0;
uint256 lastUpdateTimestamp = rewarder.lastUpdateTimestamp;
uint256 timestamp = block.timestamp > endTimestamp ? endTimestamp : block.timestamp;
return timestamp > lastUpdateTimestamp ? (timestamp - lastUpdateTimestamp) * rewardPerSecond : 0;
}
/**
* @dev Returns the total rewards to emit.
* @param rewarder The storage pointer to the rewarder.
* @param rewardPerSecond The reward per second.
* @param totalSupply The total supply.
* @return The total rewards.
*/
function getTotalRewards(Parameter storage rewarder, uint256 rewardPerSecond, uint256 totalSupply)
internal
view
returns (uint256)
{
return getTotalRewards(rewarder, rewardPerSecond, block.timestamp, totalSupply);
}
/**
* @dev Returns the pending reward of an account.
* @param rewarder The storage pointer to the rewarder.
* @param amounts The storage pointer to the amounts.
* @param account The address of the account.
* @param totalRewards The total rewards.
* @return The pending reward of the account.
*/
function getPendingReward(
Parameter storage rewarder,
Amounts.Parameter storage amounts,
address account,
uint256 totalRewards
) internal view returns (uint256) {
return getPendingReward(rewarder, account, amounts.getAmountOf(account), amounts.getTotalAmount(), totalRewards);
}
/**
* @dev Returns the pending reward of an account.
* If the balance of the account is 0, it will always return 0.
* @param rewarder The storage pointer to the rewarder.
* @param account The address of the account.
* @param balance The balance of the account.
* @param totalSupply The total supply.
* @param totalRewards The total rewards.
* @return The pending reward of the account.
*/
function getPendingReward(
Parameter storage rewarder,
address account,
uint256 balance,
uint256 totalSupply,
uint256 totalRewards
) internal view returns (uint256) {
uint256 accDebtPerShare = rewarder.accDebtPerShare + getDebtPerShare(totalSupply, totalRewards);
return balance == 0 ? 0 : getDebt(accDebtPerShare, balance) - rewarder.debt[account];
}
/**
* @dev Updates the rewarder.
* If the balance of the account is 0, it will always return 0.
* @param rewarder The storage pointer to the rewarder.
* @param account The address of the account.
* @param oldBalance The old balance of the account.
* @param newBalance The new balance of the account.
* @param totalSupply The total supply.
* @param totalRewards The total rewards.
* @return rewards The rewards of the account.
*/
function update(
Parameter storage rewarder,
address account,
uint256 oldBalance,
uint256 newBalance,
uint256 totalSupply,
uint256 totalRewards
) internal returns (uint256 rewards) {
uint256 accDebtPerShare = updateAccDebtPerShare(rewarder, totalSupply, totalRewards);
rewards = oldBalance == 0 ? 0 : getDebt(accDebtPerShare, oldBalance) - rewarder.debt[account];
rewarder.debt[account] = getDebt(accDebtPerShare, newBalance);
}
/**
* @dev Updates the accumulated debt per share.
* If the last update timestamp is in the future, it will not update the last update timestamp.
* @param rewarder The storage pointer to the rewarder.
* @param totalSupply The total supply.
* @param totalRewards The total rewards.
* @return The accumulated debt per share.
*/
function updateAccDebtPerShare(Parameter storage rewarder, uint256 totalSupply, uint256 totalRewards)
internal
returns (uint256)
{
uint256 debtPerShare = getDebtPerShare(totalSupply, totalRewards);
if (block.timestamp > rewarder.lastUpdateTimestamp) rewarder.lastUpdateTimestamp = block.timestamp;
return debtPerShare == 0 ? rewarder.accDebtPerShare : rewarder.accDebtPerShare += debtPerShare;
}
}
// src/interfaces/IRewarderFactory.sol
interface IRewarderFactory {
error RewarderFactory__ZeroAddress();
error RewarderFactory__InvalidRewarderType();
error RewarderFactory__InvalidPid();
enum RewarderType {
InvalidRewarder,
MasterChefRewarder,
VeMoeRewarder,
JoeStakingRewarder,
BribeRewarder
}
event RewarderCreated(
RewarderType indexed rewarderType, IERC20 indexed token, uint256 indexed pid, IBaseRewarder rewarder
);
event BribeRewarderCreated(
RewarderType indexed rewarderType, IERC20 indexed token, address indexed pool, IBribeRewarder rewarder
);
event RewarderImplementationSet(RewarderType indexed rewarderType, IRewarder indexed implementation);
function getRewarderImplementation(RewarderType rewarderType) external view returns (IRewarder);
function getRewarderCount(RewarderType rewarderType) external view returns (uint256);
function getRewarderAt(RewarderType rewarderType, uint256 index) external view returns (IRewarder);
function getRewarderType(IRewarder rewarder) external view returns (RewarderType);
function setRewarderImplementation(RewarderType rewarderType, IRewarder implementation) external;
function createRewarder(RewarderType rewarderType, IERC20 token, uint256 pid) external returns (IBaseRewarder);
function createBribeRewarder(IERC20 token, address pool) external returns (IBribeRewarder);
}
// src/interfaces/IVoter.sol
interface IVoter {
error IVoter__InvalidLength();
error IVoter_VotingPeriodNotStarted();
error IVoter_VotingPeriodEnded();
error IVoter__AlreadyVoted();
error IVoter__NotOwner();
error IVoter__InsufficientVotingPower();
error IVoter__TooManyPoolIds();
error IVoter__DuplicatePoolId(uint256 pid);
error IVoter__InsufficientLockTime();
error Voter__InvalidRegisterCaller();
error Voter__PoolNotVotable();
error IVoter__NoFinishedPeriod();
error IVoter_ZeroValue();
event VotingPeriodStarted();
event Voted(uint256 indexed tokenId, uint256 votingPeriod, address[] votedPools, uint256[] votesDeltaAmounts);
event TopPoolIdsWithWeightsSet(uint256[] poolIds, uint256[] pidWeights);
event VoterPoolValidatorUpdated(address indexed validator);
event VotingDurationUpdated(uint256 duration);
event MinimumLockTimeUpdated(uint256 lockTime);
event MinimumVotesPerPoolUpdated(uint256 minimum);
event OperatorUpdated(address indexed operator);
struct VotingPeriod {
uint256 startTime;
uint256 endTime;
}
function getMasterChef() external view returns (IMasterChef);
function getTotalWeight() external view returns (uint256);
function getTopPoolIds() external view returns (uint256[] memory);
function getWeight(uint256 pid) external view returns (uint256);
function hasVoted(uint256 period, uint256 tokenId) external view returns (bool);
function getCurrentVotingPeriod() external view returns (uint256);
function getLatestFinishedPeriod() external view returns (uint256);
function getPeriodStartTime() external view returns (uint256);
function getPeriodStartEndtime(uint256 periodId) external view returns (uint256, uint256);
function getVotesPerPeriod(uint256 periodId, address pool) external view returns (uint256);
function getVotedPools() external view returns (address[] memory);
function getVotedPoolsLength() external view returns (uint256);
function getVotedPoolsAtIndex(uint256 index) external view returns (address, uint256);
function getTotalVotes() external view returns (uint256);
function getUserVotes(uint256 tokenId, address pool) external view returns (uint256);
function getPoolVotesPerPeriod(uint256 periodId, address pool) external view returns (uint256);
function getUserBribeRewaderAt(uint256 period, uint256 tokenId, uint256 index)
external
view
returns (IBribeRewarder);
function getUserBribeRewarderLength(uint256 period, uint256 tokenId) external view returns (uint256);
function getBribeRewarderAt(uint256 period, address pool, uint256 index) external view returns (IBribeRewarder);
function getBribeRewarderLength(uint256 period, address pool) external view returns (uint256);
function ownerOf(uint256 tokenId, address account) external view returns (bool);
function onRegister() external;
}
// src/interfaces/IMasterChef.sol
interface IMasterChef {
error MasterChef__InvalidShares();
error MasterChef__InvalidMetroPerSecond();
error MasterChef__ZeroAddress();
error MasterChef__NotMasterchefRewarder();
error MasterChef__CannotRenounceOwnership();
error MasterChef__MintFailed();
error MasterChef__TrusteeNotSet();
error MasterChef__NotTrustedCaller();
struct Farm {
Amounts.Parameter amounts;
Rewarder.Parameter rewarder;
IERC20 token;
IMasterChefRewarder extraRewarder;
}
// bool depositOnBehalf; // true if v2 pool zap in should be possible
// uint256 startTime;
event PositionModified(uint256 indexed pid, address indexed account, int256 deltaAmount, uint256 metroReward);
event MetroPerSecondSet(uint256 metroPerSecond);
event FarmAdded(uint256 indexed pid, IERC20 indexed token);
event ExtraRewarderSet(uint256 indexed pid, IMasterChefRewarder extraRewarder);
event TreasurySet(address indexed treasury);
event VoterSet(IVoter indexed newVoter);
event TrusteeSet(address indexed trustee);
event MintMetroSet(bool mintMetro);
event OperatorUpdated(address indexed operator);
function add(IERC20 token, IMasterChefRewarder extraRewarder) external;
function claim(uint256[] memory pids) external;
function deposit(uint256 pid, uint256 amount) external;
function depositOnBehalf(uint256 pid, uint256 amount, address account) external;
function emergencyWithdraw(uint256 pid) external;
function getDeposit(uint256 pid, address account) external view returns (uint256);
function getLastUpdateTimestamp(uint256 pid) external view returns (uint256);
function getPendingRewards(address account, uint256[] memory pids)
external
view
returns (uint256[] memory metroRewards, IERC20[] memory extraTokens, uint256[] memory extraRewards);
function getExtraRewarder(uint256 pid) external view returns (IMasterChefRewarder);
function getMetro() external view returns (IMetro);
function getMetroPerSecond() external view returns (uint256);
function getMetroPerSecondForPid(uint256 pid) external view returns (uint256);
function getNumberOfFarms() external view returns (uint256);
function getToken(uint256 pid) external view returns (IERC20);
function getTotalDeposit(uint256 pid) external view returns (uint256);
function getTreasury() external view returns (address);
function getTreasuryShare() external view returns (uint256);
function getRewarderFactory() external view returns (IRewarderFactory);
function getLBHooksManager() external view returns (address);
function getVoter() external view returns (IVoter);
function setExtraRewarder(uint256 pid, IMasterChefRewarder extraRewarder) external;
function setMetroPerSecond(uint96 metroPerSecond) external;
function setTreasury(address treasury) external;
function setVoter(IVoter voter) external;
function setTrustee(address trustee) external;
function updateAll(uint256[] calldata pids) external;
function withdraw(uint256 pid, uint256 amount) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import {ILBHooksBaseRewarder} from "./ILBHooksBaseRewarder.sol";
/**
* @title LB Hooks Parent Rewarder Interface
* @dev Interface for the LB Hooks Parent Rewarder
*/
interface ILBHooksBaseParentRewarder is ILBHooksBaseRewarder {
error LBHooksRewarder__InvalidLBHooksExtraRewarder();
event LBHooksExtraRewarderSet(address lbHooksExtraRewarder);
function getExtraHooksParameters() external view returns (bytes32 extraHooksParameters);
function setLBHooksExtraRewarder(address lbHooksExtraRewarder, bytes calldata extraRewarderData) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import {ILBHooksBaseSimpleRewarder} from "./ILBHooksBaseSimpleRewarder.sol";
import {ILBHooksBaseParentRewarder} from "./ILBHooksBaseParentRewarder.sol";
/**
* @title LB Hooks Extra Rewarder Interface
* @dev Interface for the LB Hooks Extra Rewarder
*/
interface ILBHooksExtraRewarder is ILBHooksBaseSimpleRewarder {
error LBHooksExtraRewarder__UnauthorizedCaller();
error LBHooksExtraRewarder__ParentRewarderNotLinked();
function getParentRewarder() external view returns (ILBHooksBaseParentRewarder);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {ILBHooks} from "@lb-protocol/src/interfaces/ILBHooks.sol";
/**
* @title LB Hooks Manager Interface
* @dev Interface for the LB Hooks Manager
*/
interface ILBHooksManager {
error LBHooksManager__InvalidLBHooksType();
error LBHooksManager__LBHooksParametersNotSet();
error LBHooksManager__LBPairNotFound();
error LBHooksManager__LBHooksNotSetOnPair();
error LBHooksManager__UnorderedTokens();
enum LBHooksType {
Invalid,
MCRewarder,
ExtraRewarder,
SimpleRewarder
}
event HooksParametersSet(LBHooksType lbHooksType, bytes32 hooksParameters);
event HooksCreated(LBHooksType lbHooksType, uint256 id, ILBHooks hooks);
function getLBHooksParameters(LBHooksType lbHooksType) external view returns (bytes32 hooksParameters);
function getHooksAt(LBHooksType lbHooksType, uint256 index) external view returns (ILBHooks hooks);
function getHooksLength(LBHooksType lbHooksType) external view returns (uint256 length);
function getLBHooksType(ILBHooks hooks) external view returns (LBHooksType lbHooksType);
function setLBHooksParameters(LBHooksType lbHooksType, bytes32 hooksParameters) external;
function createLBHooksMCRewarder(IERC20 tokenX, IERC20 tokenY, uint16 binStep, address initialOwner)
external
returns (address);
function createLBHooksSimpleRewarder(
IERC20 tokenX,
IERC20 tokenY,
uint16 binStep,
IERC20 rewardToken,
address initialOwner
) external returns (address);
function createLBHooksExtraRewarder(
IERC20 tokenX,
IERC20 tokenY,
uint16 binStep,
IERC20 rewardToken,
address initialOwner
) external returns (address);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/extensions/IAccessControlDefaultAdminRules.sol)
pragma solidity ^0.8.20;
import {IAccessControl} from "../IAccessControl.sol";
/**
* @dev External interface of AccessControlDefaultAdminRules declared to support ERC-165 detection.
*/
interface IAccessControlDefaultAdminRules is IAccessControl {
/**
* @dev The new default admin is not a valid default admin.
*/
error AccessControlInvalidDefaultAdmin(address defaultAdmin);
/**
* @dev At least one of the following rules was violated:
*
* - The `DEFAULT_ADMIN_ROLE` must only be managed by itself.
* - The `DEFAULT_ADMIN_ROLE` must only be held by one account at the time.
* - Any `DEFAULT_ADMIN_ROLE` transfer must be in two delayed steps.
*/
error AccessControlEnforcedDefaultAdminRules();
/**
* @dev The delay for transferring the default admin delay is enforced and
* the operation must wait until `schedule`.
*
* NOTE: `schedule` can be 0 indicating there's no transfer scheduled.
*/
error AccessControlEnforcedDefaultAdminDelay(uint48 schedule);
/**
* @dev Emitted when a {defaultAdmin} transfer is started, setting `newAdmin` as the next
* address to become the {defaultAdmin} by calling {acceptDefaultAdminTransfer} only after `acceptSchedule`
* passes.
*/
event DefaultAdminTransferScheduled(address indexed newAdmin, uint48 acceptSchedule);
/**
* @dev Emitted when a {pendingDefaultAdmin} is reset if it was never accepted, regardless of its schedule.
*/
event DefaultAdminTransferCanceled();
/**
* @dev Emitted when a {defaultAdminDelay} change is started, setting `newDelay` as the next
* delay to be applied between default admin transfer after `effectSchedule` has passed.
*/
event DefaultAdminDelayChangeScheduled(uint48 newDelay, uint48 effectSchedule);
/**
* @dev Emitted when a {pendingDefaultAdminDelay} is reset if its schedule didn't pass.
*/
event DefaultAdminDelayChangeCanceled();
/**
* @dev Returns the address of the current `DEFAULT_ADMIN_ROLE` holder.
*/
function defaultAdmin() external view returns (address);
/**
* @dev Returns a tuple of a `newAdmin` and an accept schedule.
*
* After the `schedule` passes, the `newAdmin` will be able to accept the {defaultAdmin} role
* by calling {acceptDefaultAdminTransfer}, completing the role transfer.
*
* A zero value only in `acceptSchedule` indicates no pending admin transfer.
*
* NOTE: A zero address `newAdmin` means that {defaultAdmin} is being renounced.
*/
function pendingDefaultAdmin() external view returns (address newAdmin, uint48 acceptSchedule);
/**
* @dev Returns the delay required to schedule the acceptance of a {defaultAdmin} transfer started.
*
* This delay will be added to the current timestamp when calling {beginDefaultAdminTransfer} to set
* the acceptance schedule.
*
* NOTE: If a delay change has been scheduled, it will take effect as soon as the schedule passes, making this
* function returns the new delay. See {changeDefaultAdminDelay}.
*/
function defaultAdminDelay() external view returns (uint48);
/**
* @dev Returns a tuple of `newDelay` and an effect schedule.
*
* After the `schedule` passes, the `newDelay` will get into effect immediately for every
* new {defaultAdmin} transfer started with {beginDefaultAdminTransfer}.
*
* A zero value only in `effectSchedule` indicates no pending delay change.
*
* NOTE: A zero value only for `newDelay` means that the next {defaultAdminDelay}
* will be zero after the effect schedule.
*/
function pendingDefaultAdminDelay() external view returns (uint48 newDelay, uint48 effectSchedule);
/**
* @dev Starts a {defaultAdmin} transfer by setting a {pendingDefaultAdmin} scheduled for acceptance
* after the current timestamp plus a {defaultAdminDelay}.
*
* Requirements:
*
* - Only can be called by the current {defaultAdmin}.
*
* Emits a DefaultAdminRoleChangeStarted event.
*/
function beginDefaultAdminTransfer(address newAdmin) external;
/**
* @dev Cancels a {defaultAdmin} transfer previously started with {beginDefaultAdminTransfer}.
*
* A {pendingDefaultAdmin} not yet accepted can also be cancelled with this function.
*
* Requirements:
*
* - Only can be called by the current {defaultAdmin}.
*
* May emit a DefaultAdminTransferCanceled event.
*/
function cancelDefaultAdminTransfer() external;
/**
* @dev Completes a {defaultAdmin} transfer previously started with {beginDefaultAdminTransfer}.
*
* After calling the function:
*
* - `DEFAULT_ADMIN_ROLE` should be granted to the caller.
* - `DEFAULT_ADMIN_ROLE` should be revoked from the previous holder.
* - {pendingDefaultAdmin} should be reset to zero values.
*
* Requirements:
*
* - Only can be called by the {pendingDefaultAdmin}'s `newAdmin`.
* - The {pendingDefaultAdmin}'s `acceptSchedule` should've passed.
*/
function acceptDefaultAdminTransfer() external;
/**
* @dev Initiates a {defaultAdminDelay} update by setting a {pendingDefaultAdminDelay} scheduled for getting
* into effect after the current timestamp plus a {defaultAdminDelay}.
*
* This function guarantees that any call to {beginDefaultAdminTransfer} done between the timestamp this
* method is called and the {pendingDefaultAdminDelay} effect schedule will use the current {defaultAdminDelay}
* set before calling.
*
* The {pendingDefaultAdminDelay}'s effect schedule is defined in a way that waiting until the schedule and then
* calling {beginDefaultAdminTransfer} with the new delay will take at least the same as another {defaultAdmin}
* complete transfer (including acceptance).
*
* The schedule is designed for two scenarios:
*
* - When the delay is changed for a larger one the schedule is `block.timestamp + newDelay` capped by
* {defaultAdminDelayIncreaseWait}.
* - When the delay is changed for a shorter one, the schedule is `block.timestamp + (current delay - new delay)`.
*
* A {pendingDefaultAdminDelay} that never got into effect will be canceled in favor of a new scheduled change.
*
* Requirements:
*
* - Only can be called by the current {defaultAdmin}.
*
* Emits a DefaultAdminDelayChangeScheduled event and may emit a DefaultAdminDelayChangeCanceled event.
*/
function changeDefaultAdminDelay(uint48 newDelay) external;
/**
* @dev Cancels a scheduled {defaultAdminDelay} change.
*
* Requirements:
*
* - Only can be called by the current {defaultAdmin}.
*
* May emit a DefaultAdminDelayChangeCanceled event.
*/
function rollbackDefaultAdminDelay() external;
/**
* @dev Maximum time in seconds for an increase to {defaultAdminDelay} (that is scheduled using {changeDefaultAdminDelay})
* to take effect. Default to 5 days.
*
* When the {defaultAdminDelay} is scheduled to be increased, it goes into effect after the new delay has passed with
* the purpose of giving enough time for reverting any accidental change (i.e. using milliseconds instead of seconds)
* that may lock the contract. However, to avoid excessive schedules, the wait is capped by this function and it can
* be overrode for a custom {defaultAdminDelay} increase scheduling.
*
* IMPORTANT: Make sure to add a reasonable amount of time while overriding this value, otherwise,
* there's a risk of setting a high new delay that goes into effect almost immediately without the
* possibility of human intervention in the case of an input error (eg. set milliseconds instead of seconds).
*/
function defaultAdminDelayIncreaseWait() external view returns (uint48);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/AccessControl.sol)
pragma solidity ^0.8.20;
import {IAccessControl} from "@openzeppelin/contracts/access/IAccessControl.sol";
import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol";
import {ERC165Upgradeable} from "../utils/introspection/ERC165Upgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```solidity
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```solidity
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
* to enforce additional security measures for this role.
*/
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControl, ERC165Upgradeable {
struct RoleData {
mapping(address account => bool) hasRole;
bytes32 adminRole;
}
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/// @custom:storage-location erc7201:openzeppelin.storage.AccessControl
struct AccessControlStorage {
mapping(bytes32 role => RoleData) _roles;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControl")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant AccessControlStorageLocation = 0x02dd7bc7dec4dceedda775e58dd541e08a116c6c53815c0bd028192f7b626800;
function _getAccessControlStorage() private pure returns (AccessControlStorage storage $) {
assembly {
$.slot := AccessControlStorageLocation
}
}
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with an {AccessControlUnauthorizedAccount} error including the required role.
*/
modifier onlyRole(bytes32 role) {
_checkRole(role);
_;
}
function __AccessControl_init() internal onlyInitializing {
}
function __AccessControl_init_unchained() internal onlyInitializing {
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view virtual returns (bool) {
AccessControlStorage storage $ = _getAccessControlStorage();
return $._roles[role].hasRole[account];
}
/**
* @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()`
* is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier.
*/
function _checkRole(bytes32 role) internal view virtual {
_checkRole(role, _msgSender());
}
/**
* @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account`
* is missing `role`.
*/
function _checkRole(bytes32 role, address account) internal view virtual {
if (!hasRole(role, account)) {
revert AccessControlUnauthorizedAccount(account, role);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) {
AccessControlStorage storage $ = _getAccessControlStorage();
return $._roles[role].adminRole;
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleGranted} event.
*/
function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleRevoked} event.
*/
function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been revoked `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `callerConfirmation`.
*
* May emit a {RoleRevoked} event.
*/
function renounceRole(bytes32 role, address callerConfirmation) public virtual {
if (callerConfirmation != _msgSender()) {
revert AccessControlBadConfirmation();
}
_revokeRole(role, callerConfirmation);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
AccessControlStorage storage $ = _getAccessControlStorage();
bytes32 previousAdminRole = getRoleAdmin(role);
$._roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/**
* @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted.
*
* Internal function without access restriction.
*
* May emit a {RoleGranted} event.
*/
function _grantRole(bytes32 role, address account) internal virtual returns (bool) {
AccessControlStorage storage $ = _getAccessControlStorage();
if (!hasRole(role, account)) {
$._roles[role].hasRole[account] = true;
emit RoleGranted(role, account, _msgSender());
return true;
} else {
return false;
}
}
/**
* @dev Attempts to revoke `role` to `account` and returns a boolean indicating if `role` was revoked.
*
* Internal function without access restriction.
*
* May emit a {RoleRevoked} event.
*/
function _revokeRole(bytes32 role, address account) internal virtual returns (bool) {
AccessControlStorage storage $ = _getAccessControlStorage();
if (hasRole(role, account)) {
$._roles[role].hasRole[account] = false;
emit RoleRevoked(role, account, _msgSender());
return true;
} else {
return false;
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/IAccessControl.sol)
pragma solidity ^0.8.20;
/**
* @dev External interface of AccessControl declared to support ERC-165 detection.
*/
interface IAccessControl {
/**
* @dev The `account` is missing a role.
*/
error AccessControlUnauthorizedAccount(address account, bytes32 neededRole);
/**
* @dev The caller of a function is not the expected one.
*
* NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.
*/
error AccessControlBadConfirmation();
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, 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) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.
pragma solidity ^0.8.20;
/**
* @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow
* checks.
*
* Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
* easily result in undesired exploitation or bugs, since developers usually
* assume that overflows raise errors. `SafeCast` restores this intuition by
* reverting the transaction when such an operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeCast {
/**
* @dev Value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);
/**
* @dev An int value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedIntToUint(int256 value);
/**
* @dev Value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);
/**
* @dev An uint value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedUintToInt(uint256 value);
/**
* @dev Returns the downcasted uint248 from uint256, reverting on
* overflow (when the input is greater than largest uint248).
*
* Counterpart to Solidity's `uint248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toUint248(uint256 value) internal pure returns (uint248) {
if (value > type(uint248).max) {
revert SafeCastOverflowedUintDowncast(248, value);
}
return uint248(value);
}
/**
* @dev Returns the downcasted uint240 from uint256, reverting on
* overflow (when the input is greater than largest uint240).
*
* Counterpart to Solidity's `uint240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toUint240(uint256 value) internal pure returns (uint240) {
if (value > type(uint240).max) {
revert SafeCastOverflowedUintDowncast(240, value);
}
return uint240(value);
}
/**
* @dev Returns the downcasted uint232 from uint256, reverting on
* overflow (when the input is greater than largest uint232).
*
* Counterpart to Solidity's `uint232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toUint232(uint256 value) internal pure returns (uint232) {
if (value > type(uint232).max) {
revert SafeCastOverflowedUintDowncast(232, value);
}
return uint232(value);
}
/**
* @dev Returns the downcasted uint224 from uint256, reverting on
* overflow (when the input is greater than largest uint224).
*
* Counterpart to Solidity's `uint224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toUint224(uint256 value) internal pure returns (uint224) {
if (value > type(uint224).max) {
revert SafeCastOverflowedUintDowncast(224, value);
}
return uint224(value);
}
/**
* @dev Returns the downcasted uint216 from uint256, reverting on
* overflow (when the input is greater than largest uint216).
*
* Counterpart to Solidity's `uint216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toUint216(uint256 value) internal pure returns (uint216) {
if (value > type(uint216).max) {
revert SafeCastOverflowedUintDowncast(216, value);
}
return uint216(value);
}
/**
* @dev Returns the downcasted uint208 from uint256, reverting on
* overflow (when the input is greater than largest uint208).
*
* Counterpart to Solidity's `uint208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toUint208(uint256 value) internal pure returns (uint208) {
if (value > type(uint208).max) {
revert SafeCastOverflowedUintDowncast(208, value);
}
return uint208(value);
}
/**
* @dev Returns the downcasted uint200 from uint256, reverting on
* overflow (when the input is greater than largest uint200).
*
* Counterpart to Solidity's `uint200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toUint200(uint256 value) internal pure returns (uint200) {
if (value > type(uint200).max) {
revert SafeCastOverflowedUintDowncast(200, value);
}
return uint200(value);
}
/**
* @dev Returns the downcasted uint192 from uint256, reverting on
* overflow (when the input is greater than largest uint192).
*
* Counterpart to Solidity's `uint192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toUint192(uint256 value) internal pure returns (uint192) {
if (value > type(uint192).max) {
revert SafeCastOverflowedUintDowncast(192, value);
}
return uint192(value);
}
/**
* @dev Returns the downcasted uint184 from uint256, reverting on
* overflow (when the input is greater than largest uint184).
*
* Counterpart to Solidity's `uint184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toUint184(uint256 value) internal pure returns (uint184) {
if (value > type(uint184).max) {
revert SafeCastOverflowedUintDowncast(184, value);
}
return uint184(value);
}
/**
* @dev Returns the downcasted uint176 from uint256, reverting on
* overflow (when the input is greater than largest uint176).
*
* Counterpart to Solidity's `uint176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toUint176(uint256 value) internal pure returns (uint176) {
if (value > type(uint176).max) {
revert SafeCastOverflowedUintDowncast(176, value);
}
return uint176(value);
}
/**
* @dev Returns the downcasted uint168 from uint256, reverting on
* overflow (when the input is greater than largest uint168).
*
* Counterpart to Solidity's `uint168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toUint168(uint256 value) internal pure returns (uint168) {
if (value > type(uint168).max) {
revert SafeCastOverflowedUintDowncast(168, value);
}
return uint168(value);
}
/**
* @dev Returns the downcasted uint160 from uint256, reverting on
* overflow (when the input is greater than largest uint160).
*
* Counterpart to Solidity's `uint160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toUint160(uint256 value) internal pure returns (uint160) {
if (value > type(uint160).max) {
revert SafeCastOverflowedUintDowncast(160, value);
}
return uint160(value);
}
/**
* @dev Returns the downcasted uint152 from uint256, reverting on
* overflow (when the input is greater than largest uint152).
*
* Counterpart to Solidity's `uint152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toUint152(uint256 value) internal pure returns (uint152) {
if (value > type(uint152).max) {
revert SafeCastOverflowedUintDowncast(152, value);
}
return uint152(value);
}
/**
* @dev Returns the downcasted uint144 from uint256, reverting on
* overflow (when the input is greater than largest uint144).
*
* Counterpart to Solidity's `uint144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toUint144(uint256 value) internal pure returns (uint144) {
if (value > type(uint144).max) {
revert SafeCastOverflowedUintDowncast(144, value);
}
return uint144(value);
}
/**
* @dev Returns the downcasted uint136 from uint256, reverting on
* overflow (when the input is greater than largest uint136).
*
* Counterpart to Solidity's `uint136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toUint136(uint256 value) internal pure returns (uint136) {
if (value > type(uint136).max) {
revert SafeCastOverflowedUintDowncast(136, value);
}
return uint136(value);
}
/**
* @dev Returns the downcasted uint128 from uint256, reverting on
* overflow (when the input is greater than largest uint128).
*
* Counterpart to Solidity's `uint128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toUint128(uint256 value) internal pure returns (uint128) {
if (value > type(uint128).max) {
revert SafeCastOverflowedUintDowncast(128, value);
}
return uint128(value);
}
/**
* @dev Returns the downcasted uint120 from uint256, reverting on
* overflow (when the input is greater than largest uint120).
*
* Counterpart to Solidity's `uint120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toUint120(uint256 value) internal pure returns (uint120) {
if (value > type(uint120).max) {
revert SafeCastOverflowedUintDowncast(120, value);
}
return uint120(value);
}
/**
* @dev Returns the downcasted uint112 from uint256, reverting on
* overflow (when the input is greater than largest uint112).
*
* Counterpart to Solidity's `uint112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toUint112(uint256 value) internal pure returns (uint112) {
if (value > type(uint112).max) {
revert SafeCastOverflowedUintDowncast(112, value);
}
return uint112(value);
}
/**
* @dev Returns the downcasted uint104 from uint256, reverting on
* overflow (when the input is greater than largest uint104).
*
* Counterpart to Solidity's `uint104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toUint104(uint256 value) internal pure returns (uint104) {
if (value > type(uint104).max) {
revert SafeCastOverflowedUintDowncast(104, value);
}
return uint104(value);
}
/**
* @dev Returns the downcasted uint96 from uint256, reverting on
* overflow (when the input is greater than largest uint96).
*
* Counterpart to Solidity's `uint96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toUint96(uint256 value) internal pure returns (uint96) {
if (value > type(uint96).max) {
revert SafeCastOverflowedUintDowncast(96, value);
}
return uint96(value);
}
/**
* @dev Returns the downcasted uint88 from uint256, reverting on
* overflow (when the input is greater than largest uint88).
*
* Counterpart to Solidity's `uint88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toUint88(uint256 value) internal pure returns (uint88) {
if (value > type(uint88).max) {
revert SafeCastOverflowedUintDowncast(88, value);
}
return uint88(value);
}
/**
* @dev Returns the downcasted uint80 from uint256, reverting on
* overflow (when the input is greater than largest uint80).
*
* Counterpart to Solidity's `uint80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toUint80(uint256 value) internal pure returns (uint80) {
if (value > type(uint80).max) {
revert SafeCastOverflowedUintDowncast(80, value);
}
return uint80(value);
}
/**
* @dev Returns the downcasted uint72 from uint256, reverting on
* overflow (when the input is greater than largest uint72).
*
* Counterpart to Solidity's `uint72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toUint72(uint256 value) internal pure returns (uint72) {
if (value > type(uint72).max) {
revert SafeCastOverflowedUintDowncast(72, value);
}
return uint72(value);
}
/**
* @dev Returns the downcasted uint64 from uint256, reverting on
* overflow (when the input is greater than largest uint64).
*
* Counterpart to Solidity's `uint64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toUint64(uint256 value) internal pure returns (uint64) {
if (value > type(uint64).max) {
revert SafeCastOverflowedUintDowncast(64, value);
}
return uint64(value);
}
/**
* @dev Returns the downcasted uint56 from uint256, reverting on
* overflow (when the input is greater than largest uint56).
*
* Counterpart to Solidity's `uint56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toUint56(uint256 value) internal pure returns (uint56) {
if (value > type(uint56).max) {
revert SafeCastOverflowedUintDowncast(56, value);
}
return uint56(value);
}
/**
* @dev Returns the downcasted uint48 from uint256, reverting on
* overflow (when the input is greater than largest uint48).
*
* Counterpart to Solidity's `uint48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toUint48(uint256 value) internal pure returns (uint48) {
if (value > type(uint48).max) {
revert SafeCastOverflowedUintDowncast(48, value);
}
return uint48(value);
}
/**
* @dev Returns the downcasted uint40 from uint256, reverting on
* overflow (when the input is greater than largest uint40).
*
* Counterpart to Solidity's `uint40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toUint40(uint256 value) internal pure returns (uint40) {
if (value > type(uint40).max) {
revert SafeCastOverflowedUintDowncast(40, value);
}
return uint40(value);
}
/**
* @dev Returns the downcasted uint32 from uint256, reverting on
* overflow (when the input is greater than largest uint32).
*
* Counterpart to Solidity's `uint32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toUint32(uint256 value) internal pure returns (uint32) {
if (value > type(uint32).max) {
revert SafeCastOverflowedUintDowncast(32, value);
}
return uint32(value);
}
/**
* @dev Returns the downcasted uint24 from uint256, reverting on
* overflow (when the input is greater than largest uint24).
*
* Counterpart to Solidity's `uint24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toUint24(uint256 value) internal pure returns (uint24) {
if (value > type(uint24).max) {
revert SafeCastOverflowedUintDowncast(24, value);
}
return uint24(value);
}
/**
* @dev Returns the downcasted uint16 from uint256, reverting on
* overflow (when the input is greater than largest uint16).
*
* Counterpart to Solidity's `uint16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toUint16(uint256 value) internal pure returns (uint16) {
if (value > type(uint16).max) {
revert SafeCastOverflowedUintDowncast(16, value);
}
return uint16(value);
}
/**
* @dev Returns the downcasted uint8 from uint256, reverting on
* overflow (when the input is greater than largest uint8).
*
* Counterpart to Solidity's `uint8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toUint8(uint256 value) internal pure returns (uint8) {
if (value > type(uint8).max) {
revert SafeCastOverflowedUintDowncast(8, value);
}
return uint8(value);
}
/**
* @dev Converts a signed int256 into an unsigned uint256.
*
* Requirements:
*
* - input must be greater than or equal to 0.
*/
function toUint256(int256 value) internal pure returns (uint256) {
if (value < 0) {
revert SafeCastOverflowedIntToUint(value);
}
return uint256(value);
}
/**
* @dev Returns the downcasted int248 from int256, reverting on
* overflow (when the input is less than smallest int248 or
* greater than largest int248).
*
* Counterpart to Solidity's `int248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toInt248(int256 value) internal pure returns (int248 downcasted) {
downcasted = int248(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(248, value);
}
}
/**
* @dev Returns the downcasted int240 from int256, reverting on
* overflow (when the input is less than smallest int240 or
* greater than largest int240).
*
* Counterpart to Solidity's `int240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toInt240(int256 value) internal pure returns (int240 downcasted) {
downcasted = int240(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(240, value);
}
}
/**
* @dev Returns the downcasted int232 from int256, reverting on
* overflow (when the input is less than smallest int232 or
* greater than largest int232).
*
* Counterpart to Solidity's `int232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toInt232(int256 value) internal pure returns (int232 downcasted) {
downcasted = int232(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(232, value);
}
}
/**
* @dev Returns the downcasted int224 from int256, reverting on
* overflow (when the input is less than smallest int224 or
* greater than largest int224).
*
* Counterpart to Solidity's `int224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toInt224(int256 value) internal pure returns (int224 downcasted) {
downcasted = int224(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(224, value);
}
}
/**
* @dev Returns the downcasted int216 from int256, reverting on
* overflow (when the input is less than smallest int216 or
* greater than largest int216).
*
* Counterpart to Solidity's `int216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toInt216(int256 value) internal pure returns (int216 downcasted) {
downcasted = int216(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(216, value);
}
}
/**
* @dev Returns the downcasted int208 from int256, reverting on
* overflow (when the input is less than smallest int208 or
* greater than largest int208).
*
* Counterpart to Solidity's `int208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toInt208(int256 value) internal pure returns (int208 downcasted) {
downcasted = int208(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(208, value);
}
}
/**
* @dev Returns the downcasted int200 from int256, reverting on
* overflow (when the input is less than smallest int200 or
* greater than largest int200).
*
* Counterpart to Solidity's `int200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toInt200(int256 value) internal pure returns (int200 downcasted) {
downcasted = int200(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(200, value);
}
}
/**
* @dev Returns the downcasted int192 from int256, reverting on
* overflow (when the input is less than smallest int192 or
* greater than largest int192).
*
* Counterpart to Solidity's `int192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toInt192(int256 value) internal pure returns (int192 downcasted) {
downcasted = int192(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(192, value);
}
}
/**
* @dev Returns the downcasted int184 from int256, reverting on
* overflow (when the input is less than smallest int184 or
* greater than largest int184).
*
* Counterpart to Solidity's `int184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toInt184(int256 value) internal pure returns (int184 downcasted) {
downcasted = int184(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(184, value);
}
}
/**
* @dev Returns the downcasted int176 from int256, reverting on
* overflow (when the input is less than smallest int176 or
* greater than largest int176).
*
* Counterpart to Solidity's `int176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toInt176(int256 value) internal pure returns (int176 downcasted) {
downcasted = int176(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(176, value);
}
}
/**
* @dev Returns the downcasted int168 from int256, reverting on
* overflow (when the input is less than smallest int168 or
* greater than largest int168).
*
* Counterpart to Solidity's `int168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toInt168(int256 value) internal pure returns (int168 downcasted) {
downcasted = int168(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(168, value);
}
}
/**
* @dev Returns the downcasted int160 from int256, reverting on
* overflow (when the input is less than smallest int160 or
* greater than largest int160).
*
* Counterpart to Solidity's `int160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toInt160(int256 value) internal pure returns (int160 downcasted) {
downcasted = int160(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(160, value);
}
}
/**
* @dev Returns the downcasted int152 from int256, reverting on
* overflow (when the input is less than smallest int152 or
* greater than largest int152).
*
* Counterpart to Solidity's `int152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toInt152(int256 value) internal pure returns (int152 downcasted) {
downcasted = int152(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(152, value);
}
}
/**
* @dev Returns the downcasted int144 from int256, reverting on
* overflow (when the input is less than smallest int144 or
* greater than largest int144).
*
* Counterpart to Solidity's `int144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toInt144(int256 value) internal pure returns (int144 downcasted) {
downcasted = int144(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(144, value);
}
}
/**
* @dev Returns the downcasted int136 from int256, reverting on
* overflow (when the input is less than smallest int136 or
* greater than largest int136).
*
* Counterpart to Solidity's `int136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toInt136(int256 value) internal pure returns (int136 downcasted) {
downcasted = int136(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(136, value);
}
}
/**
* @dev Returns the downcasted int128 from int256, reverting on
* overflow (when the input is less than smallest int128 or
* greater than largest int128).
*
* Counterpart to Solidity's `int128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toInt128(int256 value) internal pure returns (int128 downcasted) {
downcasted = int128(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(128, value);
}
}
/**
* @dev Returns the downcasted int120 from int256, reverting on
* overflow (when the input is less than smallest int120 or
* greater than largest int120).
*
* Counterpart to Solidity's `int120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toInt120(int256 value) internal pure returns (int120 downcasted) {
downcasted = int120(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(120, value);
}
}
/**
* @dev Returns the downcasted int112 from int256, reverting on
* overflow (when the input is less than smallest int112 or
* greater than largest int112).
*
* Counterpart to Solidity's `int112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toInt112(int256 value) internal pure returns (int112 downcasted) {
downcasted = int112(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(112, value);
}
}
/**
* @dev Returns the downcasted int104 from int256, reverting on
* overflow (when the input is less than smallest int104 or
* greater than largest int104).
*
* Counterpart to Solidity's `int104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toInt104(int256 value) internal pure returns (int104 downcasted) {
downcasted = int104(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(104, value);
}
}
/**
* @dev Returns the downcasted int96 from int256, reverting on
* overflow (when the input is less than smallest int96 or
* greater than largest int96).
*
* Counterpart to Solidity's `int96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toInt96(int256 value) internal pure returns (int96 downcasted) {
downcasted = int96(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(96, value);
}
}
/**
* @dev Returns the downcasted int88 from int256, reverting on
* overflow (when the input is less than smallest int88 or
* greater than largest int88).
*
* Counterpart to Solidity's `int88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toInt88(int256 value) internal pure returns (int88 downcasted) {
downcasted = int88(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(88, value);
}
}
/**
* @dev Returns the downcasted int80 from int256, reverting on
* overflow (when the input is less than smallest int80 or
* greater than largest int80).
*
* Counterpart to Solidity's `int80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toInt80(int256 value) internal pure returns (int80 downcasted) {
downcasted = int80(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(80, value);
}
}
/**
* @dev Returns the downcasted int72 from int256, reverting on
* overflow (when the input is less than smallest int72 or
* greater than largest int72).
*
* Counterpart to Solidity's `int72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toInt72(int256 value) internal pure returns (int72 downcasted) {
downcasted = int72(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(72, value);
}
}
/**
* @dev Returns the downcasted int64 from int256, reverting on
* overflow (when the input is less than smallest int64 or
* greater than largest int64).
*
* Counterpart to Solidity's `int64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toInt64(int256 value) internal pure returns (int64 downcasted) {
downcasted = int64(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(64, value);
}
}
/**
* @dev Returns the downcasted int56 from int256, reverting on
* overflow (when the input is less than smallest int56 or
* greater than largest int56).
*
* Counterpart to Solidity's `int56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toInt56(int256 value) internal pure returns (int56 downcasted) {
downcasted = int56(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(56, value);
}
}
/**
* @dev Returns the downcasted int48 from int256, reverting on
* overflow (when the input is less than smallest int48 or
* greater than largest int48).
*
* Counterpart to Solidity's `int48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toInt48(int256 value) internal pure returns (int48 downcasted) {
downcasted = int48(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(48, value);
}
}
/**
* @dev Returns the downcasted int40 from int256, reverting on
* overflow (when the input is less than smallest int40 or
* greater than largest int40).
*
* Counterpart to Solidity's `int40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toInt40(int256 value) internal pure returns (int40 downcasted) {
downcasted = int40(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(40, value);
}
}
/**
* @dev Returns the downcasted int32 from int256, reverting on
* overflow (when the input is less than smallest int32 or
* greater than largest int32).
*
* Counterpart to Solidity's `int32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toInt32(int256 value) internal pure returns (int32 downcasted) {
downcasted = int32(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(32, value);
}
}
/**
* @dev Returns the downcasted int24 from int256, reverting on
* overflow (when the input is less than smallest int24 or
* greater than largest int24).
*
* Counterpart to Solidity's `int24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toInt24(int256 value) internal pure returns (int24 downcasted) {
downcasted = int24(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(24, value);
}
}
/**
* @dev Returns the downcasted int16 from int256, reverting on
* overflow (when the input is less than smallest int16 or
* greater than largest int16).
*
* Counterpart to Solidity's `int16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toInt16(int256 value) internal pure returns (int16 downcasted) {
downcasted = int16(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(16, value);
}
}
/**
* @dev Returns the downcasted int8 from int256, reverting on
* overflow (when the input is less than smallest int8 or
* greater than largest int8).
*
* Counterpart to Solidity's `int8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toInt8(int256 value) internal pure returns (int8 downcasted) {
downcasted = int8(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(8, value);
}
}
/**
* @dev Converts an unsigned uint256 into a signed int256.
*
* Requirements:
*
* - input must be less than or equal to maxInt256.
*/
function toInt256(uint256 value) internal pure returns (int256) {
// Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
if (value > uint256(type(int256).max)) {
revert SafeCastOverflowedUintToInt(value);
}
return int256(value);
}
/**
* @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.
*/
function toUint(bool b) internal pure returns (uint256 u) {
/// @solidity memory-safe-assembly
assembly {
u := iszero(iszero(b))
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)
pragma solidity ^0.8.20;
import {Panic} from "../Panic.sol";
import {SafeCast} from "./SafeCast.sol";
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Floor, // Toward negative infinity
Ceil, // Toward positive infinity
Trunc, // Toward zero
Expand // Away from zero
}
/**
* @dev Returns the addition of two unsigned integers, with an success flag (no overflow).
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a success flag (no division by zero).
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev 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.
Panic.panic(Panic.DIVISION_BY_ZERO);
}
// The following calculation ensures accurate ceiling division without overflow.
// Since a is non-zero, (a - 1) / b will not overflow.
// The largest possible result occurs when (a - 1) / b is type(uint256).max,
// but the largest value we can obtain is type(uint256).max - 1, which happens
// when a = type(uint256).max and b = 1.
unchecked {
return a == 0 ? 0 : (a - 1) / b + 1;
}
}
/**
* @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
* denominator == 0.
*
* Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
* Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2²⁵⁶ + prod0.
uint256 prod0 = x * y; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.
if (denominator <= prod1) {
Panic.panic(denominator == 0 ? Panic.DIVISION_BY_ZERO : Panic.UNDER_OVERFLOW);
}
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator.
// Always >= 1. See https://cs.stackexchange.com/q/138556/92363.
uint256 twos = denominator & (0 - denominator);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such
// that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv ≡ 1 mod 2⁴.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
// works in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2⁸
inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶
inverse *= 2 - denominator * inverse; // inverse mod 2³²
inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴
inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸
inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is
// less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @dev Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);
}
/**
* @dev Calculate the modular multiplicative inverse of a number in Z/nZ.
*
* If n is a prime, then Z/nZ is a field. In that case all elements are inversible, expect 0.
* If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.
*
* If the input value is not inversible, 0 is returned.
*
* NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Ferma's little theorem and get the
* inverse using `Math.modExp(a, n - 2, n)`.
*/
function invMod(uint256 a, uint256 n) internal pure returns (uint256) {
unchecked {
if (n == 0) return 0;
// The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)
// Used to compute integers x and y such that: ax + ny = gcd(a, n).
// When the gcd is 1, then the inverse of a modulo n exists and it's x.
// ax + ny = 1
// ax = 1 + (-y)n
// ax ≡ 1 (mod n) # x is the inverse of a modulo n
// If the remainder is 0 the gcd is n right away.
uint256 remainder = a % n;
uint256 gcd = n;
// Therefore the initial coefficients are:
// ax + ny = gcd(a, n) = n
// 0a + 1n = n
int256 x = 0;
int256 y = 1;
while (remainder != 0) {
uint256 quotient = gcd / remainder;
(gcd, remainder) = (
// The old remainder is the next gcd to try.
remainder,
// Compute the next remainder.
// Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd
// where gcd is at most n (capped to type(uint256).max)
gcd - remainder * quotient
);
(x, y) = (
// Increment the coefficient of a.
y,
// Decrement the coefficient of n.
// Can overflow, but the result is casted to uint256 so that the
// next value of y is "wrapped around" to a value between 0 and n - 1.
x - y * int256(quotient)
);
}
if (gcd != 1) return 0; // No inverse exists.
return x < 0 ? (n - uint256(-x)) : uint256(x); // Wrap the result if it's negative.
}
}
/**
* @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)
*
* Requirements:
* - modulus can't be zero
* - underlying staticcall to precompile must succeed
*
* IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make
* sure the chain you're using it on supports the precompiled contract for modular exponentiation
* at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,
* the underlying function will succeed given the lack of a revert, but the result may be incorrectly
* interpreted as 0.
*/
function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {
(bool success, uint256 result) = tryModExp(b, e, m);
if (!success) {
Panic.panic(Panic.DIVISION_BY_ZERO);
}
return result;
}
/**
* @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).
* It includes a success flag indicating if the operation succeeded. Operation will be marked has failed if trying
* to operate modulo 0 or if the underlying precompile reverted.
*
* IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain
* you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in
* https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack
* of a revert, but the result may be incorrectly interpreted as 0.
*/
function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {
if (m == 0) return (false, 0);
/// @solidity memory-safe-assembly
assembly {
let ptr := mload(0x40)
// | Offset | Content | Content (Hex) |
// |-----------|------------|--------------------------------------------------------------------|
// | 0x00:0x1f | size of b | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x20:0x3f | size of e | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x40:0x5f | size of m | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x60:0x7f | value of b | 0x<.............................................................b> |
// | 0x80:0x9f | value of e | 0x<.............................................................e> |
// | 0xa0:0xbf | value of m | 0x<.............................................................m> |
mstore(ptr, 0x20)
mstore(add(ptr, 0x20), 0x20)
mstore(add(ptr, 0x40), 0x20)
mstore(add(ptr, 0x60), b)
mstore(add(ptr, 0x80), e)
mstore(add(ptr, 0xa0), m)
// Given the result < m, it's guaranteed to fit in 32 bytes,
// so we can use the memory scratch space located at offset 0.
success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)
result := mload(0x00)
}
}
/**
* @dev Variant of {modExp} that supports inputs of arbitrary length.
*/
function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {
(bool success, bytes memory result) = tryModExp(b, e, m);
if (!success) {
Panic.panic(Panic.DIVISION_BY_ZERO);
}
return result;
}
/**
* @dev Variant of {tryModExp} that supports inputs of arbitrary length.
*/
function tryModExp(
bytes memory b,
bytes memory e,
bytes memory m
) internal view returns (bool success, bytes memory result) {
if (_zeroBytes(m)) return (false, new bytes(0));
uint256 mLen = m.length;
// Encode call args in result and move the free memory pointer
result = abi.encodePacked(b.length, e.length, mLen, b, e, m);
/// @solidity memory-safe-assembly
assembly {
let dataPtr := add(result, 0x20)
// Write result on top of args to avoid allocating extra memory.
success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)
// Overwrite the length.
// result.length > returndatasize() is guaranteed because returndatasize() == m.length
mstore(result, mLen)
// Set the memory pointer after the returned data.
mstore(0x40, add(dataPtr, mLen))
}
}
/**
* @dev Returns whether the provided byte array is zero.
*/
function _zeroBytes(bytes memory byteArray) private pure returns (bool) {
for (uint256 i = 0; i < byteArray.length; ++i) {
if (byteArray[i] != 0) {
return false;
}
}
return true;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
* towards zero.
*
* This method is based on Newton's method for computing square roots; the algorithm is restricted to only
* using integer operations.
*/
function sqrt(uint256 a) internal pure returns (uint256) {
unchecked {
// Take care of easy edge cases when a == 0 or a == 1
if (a <= 1) {
return a;
}
// In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a
// sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between
// the current value as `ε_n = | x_n - sqrt(a) |`.
//
// For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root
// of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is
// bigger than any uint256.
//
// By noticing that
// `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`
// we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar
// to the msb function.
uint256 aa = a;
uint256 xn = 1;
if (aa >= (1 << 128)) {
aa >>= 128;
xn <<= 64;
}
if (aa >= (1 << 64)) {
aa >>= 64;
xn <<= 32;
}
if (aa >= (1 << 32)) {
aa >>= 32;
xn <<= 16;
}
if (aa >= (1 << 16)) {
aa >>= 16;
xn <<= 8;
}
if (aa >= (1 << 8)) {
aa >>= 8;
xn <<= 4;
}
if (aa >= (1 << 4)) {
aa >>= 4;
xn <<= 2;
}
if (aa >= (1 << 2)) {
xn <<= 1;
}
// We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).
//
// We can refine our estimation by noticing that the the middle of that interval minimizes the error.
// If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).
// This is going to be our x_0 (and ε_0)
xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)
// From here, Newton's method give us:
// x_{n+1} = (x_n + a / x_n) / 2
//
// One should note that:
// x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a
// = ((x_n² + a) / (2 * x_n))² - a
// = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a
// = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)
// = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)
// = (x_n² - a)² / (2 * x_n)²
// = ((x_n² - a) / (2 * x_n))²
// ≥ 0
// Which proves that for all n ≥ 1, sqrt(a) ≤ x_n
//
// This gives us the proof of quadratic convergence of the sequence:
// ε_{n+1} = | x_{n+1} - sqrt(a) |
// = | (x_n + a / x_n) / 2 - sqrt(a) |
// = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |
// = | (x_n - sqrt(a))² / (2 * x_n) |
// = | ε_n² / (2 * x_n) |
// = ε_n² / | (2 * x_n) |
//
// For the first iteration, we have a special case where x_0 is known:
// ε_1 = ε_0² / | (2 * x_0) |
// ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))
// ≤ 2**(2*e-4) / (3 * 2**(e-1))
// ≤ 2**(e-3) / 3
// ≤ 2**(e-3-log2(3))
// ≤ 2**(e-4.5)
//
// For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:
// ε_{n+1} = ε_n² / | (2 * x_n) |
// ≤ (2**(e-k))² / (2 * 2**(e-1))
// ≤ 2**(2*e-2*k) / 2**e
// ≤ 2**(e-2*k)
xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5) -- special case, see above
xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9) -- general case with k = 4.5
xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18) -- general case with k = 9
xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36) -- general case with k = 18
xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72) -- general case with k = 36
xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144) -- general case with k = 72
// Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision
// ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either
// sqrt(a) or sqrt(a) + 1.
return xn - SafeCast.toUint(xn > a / xn);
}
}
/**
* @dev Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);
}
}
/**
* @dev Return the log in base 2 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
uint256 exp;
unchecked {
exp = 128 * SafeCast.toUint(value > (1 << 128) - 1);
value >>= exp;
result += exp;
exp = 64 * SafeCast.toUint(value > (1 << 64) - 1);
value >>= exp;
result += exp;
exp = 32 * SafeCast.toUint(value > (1 << 32) - 1);
value >>= exp;
result += exp;
exp = 16 * SafeCast.toUint(value > (1 << 16) - 1);
value >>= exp;
result += exp;
exp = 8 * SafeCast.toUint(value > (1 << 8) - 1);
value >>= exp;
result += exp;
exp = 4 * SafeCast.toUint(value > (1 << 4) - 1);
value >>= exp;
result += exp;
exp = 2 * SafeCast.toUint(value > (1 << 2) - 1);
value >>= exp;
result += exp;
result += SafeCast.toUint(value > 1);
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);
}
}
/**
* @dev Return the log in base 10 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);
}
}
/**
* @dev Return the log in base 256 of a positive value rounded towards zero.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
uint256 isGt;
unchecked {
isGt = SafeCast.toUint(value > (1 << 128) - 1);
value >>= isGt * 128;
result += isGt * 16;
isGt = SafeCast.toUint(value > (1 << 64) - 1);
value >>= isGt * 64;
result += isGt * 8;
isGt = SafeCast.toUint(value > (1 << 32) - 1);
value >>= isGt * 32;
result += isGt * 4;
isGt = SafeCast.toUint(value > (1 << 16) - 1);
value >>= isGt * 16;
result += isGt * 2;
result += SafeCast.toUint(value > (1 << 8) - 1);
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);
}
}
/**
* @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
*/
function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
return uint8(rounding) % 2 == 1;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5313.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface for the Light Contract Ownership Standard.
*
* A standardized minimal interface required to identify an account that controls a contract
*/
interface IERC5313 {
/**
* @dev Gets the address of the owner.
*/
function owner() external view returns (address);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.20;
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
* case an upgrade adds a module that needs to be initialized.
*
* For example:
*
* [.hljs-theme-light.nopadding]
* ```solidity
* contract MyToken is ERC20Upgradeable {
* function initialize() initializer public {
* __ERC20_init("MyToken", "MTK");
* }
* }
*
* contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
* function initializeV2() reinitializer(2) public {
* __ERC20Permit_init("MyToken");
* }
* }
* ```
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
* the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() {
* _disableInitializers();
* }
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Storage of the initializable contract.
*
* It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions
* when using with upgradeable contracts.
*
* @custom:storage-location erc7201:openzeppelin.storage.Initializable
*/
struct InitializableStorage {
/**
* @dev Indicates that the contract has been initialized.
*/
uint64 _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool _initializing;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;
/**
* @dev The contract is already initialized.
*/
error InvalidInitialization();
/**
* @dev The contract is not initializing.
*/
error NotInitializing();
/**
* @dev Triggered when the contract has been initialized or reinitialized.
*/
event Initialized(uint64 version);
/**
* @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
* `onlyInitializing` functions can be used to initialize parent contracts.
*
* Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any
* number of times. This behavior in the constructor can be useful during testing and is not expected to be used in
* production.
*
* Emits an {Initialized} event.
*/
modifier initializer() {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
// Cache values to avoid duplicated sloads
bool isTopLevelCall = !$._initializing;
uint64 initialized = $._initialized;
// Allowed calls:
// - initialSetup: the contract is not in the initializing state and no previous version was
// initialized
// - construction: the contract is initialized at version 1 (no reininitialization) and the
// current contract is just being deployed
bool initialSetup = initialized == 0 && isTopLevelCall;
bool construction = initialized == 1 && address(this).code.length == 0;
if (!initialSetup && !construction) {
revert InvalidInitialization();
}
$._initialized = 1;
if (isTopLevelCall) {
$._initializing = true;
}
_;
if (isTopLevelCall) {
$._initializing = false;
emit Initialized(1);
}
}
/**
* @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
* contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
* used to initialize parent contracts.
*
* A reinitializer may be used after the original initialization step. This is essential to configure modules that
* are added through upgrades and that require initialization.
*
* When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
* cannot be nested. If one is invoked in the context of another, execution will revert.
*
* Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
* a contract, executing them in the right order is up to the developer or operator.
*
* WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.
*
* Emits an {Initialized} event.
*/
modifier reinitializer(uint64 version) {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
if ($._initializing || $._initialized >= version) {
revert InvalidInitialization();
}
$._initialized = version;
$._initializing = true;
_;
$._initializing = false;
emit Initialized(version);
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} and {reinitializer} modifiers, directly or indirectly.
*/
modifier onlyInitializing() {
_checkInitializing();
_;
}
/**
* @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.
*/
function _checkInitializing() internal view virtual {
if (!_isInitializing()) {
revert NotInitializing();
}
}
/**
* @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
* Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
* to any version. It is recommended to use this to lock implementation contracts that are designed to be called
* through proxies.
*
* Emits an {Initialized} event the first time it is successfully executed.
*/
function _disableInitializers() internal virtual {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
if ($._initializing) {
revert InvalidInitialization();
}
if ($._initialized != type(uint64).max) {
$._initialized = type(uint64).max;
emit Initialized(type(uint64).max);
}
}
/**
* @dev Returns the highest version that has been initialized. See {reinitializer}.
*/
function _getInitializedVersion() internal view returns (uint64) {
return _getInitializableStorage()._initialized;
}
/**
* @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
*/
function _isInitializing() internal view returns (bool) {
return _getInitializableStorage()._initializing;
}
/**
* @dev Returns a pointer to the storage namespace.
*/
// solhint-disable-next-line var-name-mixedcase
function _getInitializableStorage() private pure returns (InitializableStorage storage $) {
assembly {
$.slot := INITIALIZABLE_STORAGE
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {ILBPair} from "./ILBPair.sol";
import {Hooks} from "../libraries/Hooks.sol";
interface ILBHooks {
function getLBPair() external view returns (ILBPair);
function isLinked() external view returns (bool);
function onHooksSet(bytes32 hooksParameters, bytes calldata onHooksSetData) external returns (bytes4);
function beforeSwap(address sender, address to, bool swapForY, bytes32 amountsIn) external returns (bytes4);
function afterSwap(address sender, address to, bool swapForY, bytes32 amountsOut) external returns (bytes4);
function beforeFlashLoan(address sender, address to, bytes32 amounts) external returns (bytes4);
function afterFlashLoan(address sender, address to, bytes32 fees, bytes32 feesReceived) external returns (bytes4);
function beforeMint(address sender, address to, bytes32[] calldata liquidityConfigs, bytes32 amountsReceived)
external
returns (bytes4);
function afterMint(address sender, address to, bytes32[] calldata liquidityConfigs, bytes32 amountsIn)
external
returns (bytes4);
function beforeBurn(
address sender,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amountsToBurn
) external returns (bytes4);
function afterBurn(
address sender,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amountsToBurn
) external returns (bytes4);
function beforeBatchTransferFrom(
address sender,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts
) external returns (bytes4);
function afterBatchTransferFrom(
address sender,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts
) external returns (bytes4);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
/// @title Liquidity Book Flashloan Callback Interface
/// @author Trader Joe
/// @notice Required interface to interact with LB flash loans
interface ILBFlashLoanCallback {
function LBFlashLoanCallback(
address sender,
IERC20 tokenX,
IERC20 tokenY,
bytes32 amounts,
bytes32 totalFees,
bytes calldata data
) external returns (bytes32);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
/**
* @title Liquidity Book Token Interface
* @author Trader Joe
* @notice Interface to interact with the LBToken.
*/
interface ILBToken {
error LBToken__AddressThisOrZero();
error LBToken__InvalidLength();
error LBToken__SelfApproval(address owner);
error LBToken__SpenderNotApproved(address from, address spender);
error LBToken__TransferExceedsBalance(address from, uint256 id, uint256 amount);
error LBToken__BurnExceedsBalance(address from, uint256 id, uint256 amount);
event TransferBatch(
address indexed sender, address indexed from, address indexed to, uint256[] ids, uint256[] amounts
);
event ApprovalForAll(address indexed account, address indexed sender, bool approved);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function totalSupply(uint256 id) external view returns (uint256);
function balanceOf(address account, uint256 id) external view returns (uint256);
function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
external
view
returns (uint256[] memory);
function isApprovedForAll(address owner, address spender) external view returns (bool);
function approveForAll(address spender, bool approved) external;
function batchTransferFrom(address from, address to, uint256[] calldata ids, uint256[] calldata amounts) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import {ILBHooks} from "@lb-protocol/src/interfaces/ILBHooks.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
/**
* @title LB Hooks Base Rewarder Interface
* @dev Interface for the LB Hooks Base Rewarder
*/
interface ILBHooksBaseRewarder is ILBHooks {
error LBHooksBaseRewarder__InvalidDeltaBins();
error LBHooksBaseRewarder__Overflow();
error LBHooksBaseRewarder__NativeTransferFailed();
error LBHooksBaseRewarder__UnlinkedHooks();
error LBHooksBaseRewarder__InvalidHooksParameters();
error LBHooksBaseRewarder__ZeroBalance();
error LBHooksBaseRewarder__LockedRewardToken();
error LBHooksBaseRewarder__NotNativeRewarder();
error LBHooksBaseRewarder__NotImplemented();
error LBHooksBaseRewarder__UnauthorizedCaller();
error LBHooksBaseRewarder__ExceedsMaxNumberOfBins();
event DeltaBinsSet(int24 deltaBinA, int24 deltaBinB);
event Claim(address indexed user, uint256 amount);
struct Bin {
uint256 accRewardsPerShareX64;
mapping(address => uint256) userAccRewardsPerShareX64;
}
function getRewardToken() external view returns (IERC20);
function getLBHooksManager() external view returns (address);
function isStopped() external view returns (bool);
function getRewardedRange() external view returns (uint256 binStart, uint256 binEnd);
function getPendingRewards(address user, uint256[] calldata ids) external view returns (uint256 pendingRewards);
function claim(address user, uint256[] calldata ids) external;
function setDeltaBins(int24 deltaBinA, int24 deltaBinB) external;
function sweep(IERC20 token, address to) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import {ILBHooksBaseRewarder} from "./ILBHooksBaseRewarder.sol";
/**
* @title LB Hooks Simple Rewarder Interface
* @dev Interface for the LB Hooks Simple Rewarder
*/
interface ILBHooksBaseSimpleRewarder is ILBHooksBaseRewarder {
error LBHooksBaseSimpleRewarder__InvalidStartTimestamp();
error LBHooksBaseSimpleRewarder__InvalidDuration();
error LBHooksBaseSimpleRewarder__ZeroReward();
error LBHooksBaseSimpleRewarder__Stopped();
event RewardParameterUpdated(uint256 rewardPerSecond, uint256 startTimestamp, uint256 endTimestamp);
function getRewarderParameter()
external
view
returns (uint256 rewardPerSecond, uint256 lastUpdateTimestamp, uint256 endTimestamp);
function getRemainingRewards() external view returns (uint256 remainingRewards);
function setRewarderParameters(uint256 maxRewardPerSecond, uint256 startTimestamp, uint256 expectedDuration)
external
returns (uint256 rewardPerSecond);
function setRewardPerSecond(uint256 maxRewardPerSecond, uint256 expectedDuration)
external
returns (uint256 rewardPerSecond);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*/
abstract contract ERC165Upgradeable is Initializable, IERC165 {
function __ERC165_init() internal onlyInitializing {
}
function __ERC165_init_unchained() internal onlyInitializing {
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @dev Helper library for emitting standardized panic codes.
*
* ```solidity
* contract Example {
* using Panic for uint256;
*
* // Use any of the declared internal constants
* function foo() { Panic.GENERIC.panic(); }
*
* // Alternatively
* function foo() { Panic.panic(Panic.GENERIC); }
* }
* ```
*
* Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].
*/
// slither-disable-next-line unused-state
library Panic {
/// @dev generic / unspecified error
uint256 internal constant GENERIC = 0x00;
/// @dev used by the assert() builtin
uint256 internal constant ASSERT = 0x01;
/// @dev arithmetic underflow or overflow
uint256 internal constant UNDER_OVERFLOW = 0x11;
/// @dev division or modulo by zero
uint256 internal constant DIVISION_BY_ZERO = 0x12;
/// @dev enum conversion error
uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;
/// @dev invalid encoding in storage
uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;
/// @dev empty array pop
uint256 internal constant EMPTY_ARRAY_POP = 0x31;
/// @dev array out of bounds access
uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;
/// @dev resource error (too large allocation or too large array)
uint256 internal constant RESOURCE_ERROR = 0x41;
/// @dev calling invalid internal function
uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;
/// @dev Reverts with a panic code. Recommended to use with
/// the internal constants with predefined codes.
function panic(uint256 code) internal pure {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, shl(0xe0, 0x4e487b71))
mstore(0x04, code)
revert(0x00, 0x24)
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}{
"remappings": [
"@lb-protocol/=lib/lb-rewarder/lib/dexv2/",
"@moe-core/=lib/lb-rewarder/lib/moe-core/",
"@openzeppelin/contracts-upgradeable/=lib/lb-rewarder/lib/openzeppelin-contracts-upgradeable/contracts/",
"@openzeppelin/contracts/=lib/lb-rewarder/lib/openzeppelin-contracts/contracts/",
"@solmate/=lib/lb-rewarder/lib/moe-core/lib/solmate/",
"@tj-dexv2/=lib/lb-rewarder/lib/moe-core/lib/dexv2/",
"dexv2/=lib/lb-rewarder/lib/dexv2/",
"ds-test/=lib/lb-rewarder/lib/forge-std/lib/ds-test/src/",
"erc4626-tests/=lib/lb-rewarder/lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
"forge-std/=lib/forge-std/src/",
"lb-rewarder/=lib/lb-rewarder/src/",
"moe-core/=lib/lb-rewarder/lib/moe-core/",
"openzeppelin-contracts-upgradeable/=lib/lb-rewarder/lib/openzeppelin-contracts-upgradeable/",
"openzeppelin-contracts/=lib/lb-rewarder/lib/openzeppelin-contracts/",
"solmate/=lib/lb-rewarder/lib/moe-core/lib/solmate/src/",
"solrary/=lib/solrary/src/"
],
"optimizer": {
"enabled": true,
"runs": 600
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "paris",
"viaIR": false,
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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IMasterChef","name":"masterChef","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccessControlBadConfirmation","type":"error"},{"inputs":[{"internalType":"uint48","name":"schedule","type":"uint48"}],"name":"AccessControlEnforcedDefaultAdminDelay","type":"error"},{"inputs":[],"name":"AccessControlEnforcedDefaultAdminRules","type":"error"},{"inputs":[{"internalType":"address","name":"defaultAdmin","type":"address"}],"name":"AccessControlInvalidDefaultAdmin","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"neededRole","type":"bytes32"}],"name":"AccessControlUnauthorizedAccount","type":"error"},{"inputs":[],"name":"InvalidInitialization","type":"error"},{"inputs":[],"name":"LBHooksManager__InvalidLBHooksType","type":"error"},{"inputs":[],"name":"LBHooksManager__LBHooksNotSetOnPair","type":"error"},{"inputs":[],"name":"LBHooksManager__LBHooksParametersNotSet","type":"error"},{"inputs":[],"name":"LBHooksManager__LBPairNotFound","type":"error"},{"inputs":[],"name":"LBHooksManager__UnorderedTokens","type":"error"},{"inputs":[],"name":"NotInitializing","type":"error"},{"inputs":[{"internalType":"uint8","name":"bits","type":"uint8"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"SafeCastOverflowedUintDowncast","type":"error"},{"anonymous":false,"inputs":[],"name":"DefaultAdminDelayChangeCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint48","name":"newDelay","type":"uint48"},{"indexed":false,"internalType":"uint48","name":"effectSchedule","type":"uint48"}],"name":"DefaultAdminDelayChangeScheduled","type":"event"},{"anonymous":false,"inputs":[],"name":"DefaultAdminTransferCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"},{"indexed":false,"internalType":"uint48","name":"acceptSchedule","type":"uint48"}],"name":"DefaultAdminTransferScheduled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum 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ILBHooksManager.LBHooksType","name":"lbHooksType","type":"uint8"},{"indexed":false,"internalType":"bytes32","name":"hooksParameters","type":"bytes32"}],"name":"HooksParametersSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"version","type":"uint64"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPERATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"beginDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"cancelDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint48","name":"newDelay","type":"uint48"}],"name":"changeDefaultAdminDelay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"tokenX","type":"address"},{"internalType":"contract IERC20","name":"tokenY","type":"address"},{"internalType":"uint16","name":"binStep","type":"uint16"},{"internalType":"contract IERC20","name":"rewardToken","type":"address"},{"internalType":"address","name":"initialOwner","type":"address"}],"name":"createLBHooksExtraRewarder","outputs":[{"internalType":"address","name":"extraRewarder","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"tokenX","type":"address"},{"internalType":"contract IERC20","name":"tokenY","type":"address"},{"internalType":"uint16","name":"binStep","type":"uint16"},{"internalType":"address","name":"initialOwner","type":"address"}],"name":"createLBHooksMCRewarder","outputs":[{"internalType":"address","name":"rewarder","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"tokenX","type":"address"},{"internalType":"contract IERC20","name":"tokenY","type":"address"},{"internalType":"uint16","name":"binStep","type":"uint16"},{"internalType":"contract IERC20","name":"rewardToken","type":"address"},{"internalType":"address","name":"initialOwner","type":"address"}],"name":"createLBHooksSimpleRewarder","outputs":[{"internalType":"address","name":"rewarder","type":"address"}],"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":"enum ILBHooksManager.LBHooksType","name":"lbHooksType","type":"uint8"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getHooksAt","outputs":[{"internalType":"contract ILBHooks","name":"hooks","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum ILBHooksManager.LBHooksType","name":"lbHooksType","type":"uint8"}],"name":"getHooksLength","outputs":[{"internalType":"uint256","name":"length","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum ILBHooksManager.LBHooksType","name":"lbHooksType","type":"uint8"}],"name":"getLBHooksParameters","outputs":[{"internalType":"bytes32","name":"hooksParameters","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract ILBHooks","name":"hooks","type":"address"}],"name":"getLBHooksType","outputs":[{"internalType":"enum ILBHooksManager.LBHooksType","name":"lbHooksType","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"initialOwner","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","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":"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":"enum ILBHooksManager.LBHooksType","name":"lbHooksType","type":"uint8"},{"internalType":"bytes32","name":"hooksParameters","type":"bytes32"}],"name":"setLBHooksParameters","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000039d966c1bafe7d3f1f53da4845805e15f7d6ee430000000000000000000000001a5ded6adcfc64acede86151b1f142088c6e03da
-----Decoded View---------------
Arg [0] : lbFactory (address): 0x39D966c1BaFe7D3F1F53dA4845805E15f7D6EE43
Arg [1] : masterChef (address): 0x1a5Ded6adCfc64aceDE86151B1F142088C6E03da
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000039d966c1bafe7d3f1f53da4845805e15f7d6ee43
Arg [1] : 0000000000000000000000001a5ded6adcfc64acede86151b1f142088c6e03da
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Multichain Portfolio | 30 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
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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.