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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
Contract Name:
TradingVaultImplementation
Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled:
Yes with 500 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { BaseTransfersNativeInitiable } from "../../../base/BaseTransfersNative/v1/BaseTransfersNativeInitiable.sol";
import { BaseSimpleSwapInitiable } from "../../../base/BaseSimpleSwapInitiable.sol";
import { CoreAccessControlConfig } from "../../../base/BaseAccessControlInitiable.sol";
import { BaseRecoverSignerInitiable } from "../../../base/BaseRecoverSignerInitiable.sol";
import { CoreMulticall } from "../../../core/CoreMulticall/v1/CoreMulticall.sol";
import {
WETH9NativeWrapperInitiable,
BaseNativeWrapperConfig
} from "../../../modules/native-asset-wrappers/WETH9NativeWrapperInitiable.sol";
import { ITradingVaultImplementation } from "./ITradingVaultImplementation.sol";
contract TradingVaultImplementation is
ITradingVaultImplementation,
WETH9NativeWrapperInitiable,
BaseTransfersNativeInitiable,
BaseSimpleSwapInitiable,
CoreMulticall,
BaseRecoverSignerInitiable
{
/// @notice Constructor on the implementation contract should call _disableInitializers()
/// @dev https://forum.openzeppelin.com/t/what-does-disableinitializers-function-mean/28730
/// @custom:oz-upgrades-unsafe-allow constructor
constructor() {
_disableInitializers();
}
function initialize(
BaseNativeWrapperConfig calldata baseNativeWrapperConfig,
CoreAccessControlConfig calldata coreAccessControlConfig,
address _globalTradeGuardianOverride
) external override initializer {
__WETH9NativeWrapperInitiable__init(baseNativeWrapperConfig);
__BaseAccessControlInitiable__init(coreAccessControlConfig);
if (_globalTradeGuardianOverride != address(0)) {
_updateGlobalTradeGuardian(_globalTradeGuardianOverride);
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.20;
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
* case an upgrade adds a module that needs to be initialized.
*
* For example:
*
* [.hljs-theme-light.nopadding]
* ```solidity
* contract MyToken is ERC20Upgradeable {
* function initialize() initializer public {
* __ERC20_init("MyToken", "MTK");
* }
* }
*
* contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
* function initializeV2() reinitializer(2) public {
* __ERC20Permit_init("MyToken");
* }
* }
* ```
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
* the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() {
* _disableInitializers();
* }
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Storage of the initializable contract.
*
* It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions
* when using with upgradeable contracts.
*
* @custom:storage-location erc7201:openzeppelin.storage.Initializable
*/
struct InitializableStorage {
/**
* @dev Indicates that the contract has been initialized.
*/
uint64 _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool _initializing;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;
/**
* @dev The contract is already initialized.
*/
error InvalidInitialization();
/**
* @dev The contract is not initializing.
*/
error NotInitializing();
/**
* @dev Triggered when the contract has been initialized or reinitialized.
*/
event Initialized(uint64 version);
/**
* @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
* `onlyInitializing` functions can be used to initialize parent contracts.
*
* Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any
* number of times. This behavior in the constructor can be useful during testing and is not expected to be used in
* production.
*
* Emits an {Initialized} event.
*/
modifier initializer() {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
// Cache values to avoid duplicated sloads
bool isTopLevelCall = !$._initializing;
uint64 initialized = $._initialized;
// Allowed calls:
// - initialSetup: the contract is not in the initializing state and no previous version was
// initialized
// - construction: the contract is initialized at version 1 (no reininitialization) and the
// current contract is just being deployed
bool initialSetup = initialized == 0 && isTopLevelCall;
bool construction = initialized == 1 && address(this).code.length == 0;
if (!initialSetup && !construction) {
revert InvalidInitialization();
}
$._initialized = 1;
if (isTopLevelCall) {
$._initializing = true;
}
_;
if (isTopLevelCall) {
$._initializing = false;
emit Initialized(1);
}
}
/**
* @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
* contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
* used to initialize parent contracts.
*
* A reinitializer may be used after the original initialization step. This is essential to configure modules that
* are added through upgrades and that require initialization.
*
* When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
* cannot be nested. If one is invoked in the context of another, execution will revert.
*
* Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
* a contract, executing them in the right order is up to the developer or operator.
*
* WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.
*
* Emits an {Initialized} event.
*/
modifier reinitializer(uint64 version) {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
if ($._initializing || $._initialized >= version) {
revert InvalidInitialization();
}
$._initialized = version;
$._initializing = true;
_;
$._initializing = false;
emit Initialized(version);
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} and {reinitializer} modifiers, directly or indirectly.
*/
modifier onlyInitializing() {
_checkInitializing();
_;
}
/**
* @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.
*/
function _checkInitializing() internal view virtual {
if (!_isInitializing()) {
revert NotInitializing();
}
}
/**
* @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
* Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
* to any version. It is recommended to use this to lock implementation contracts that are designed to be called
* through proxies.
*
* Emits an {Initialized} event the first time it is successfully executed.
*/
function _disableInitializers() internal virtual {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
if ($._initializing) {
revert InvalidInitialization();
}
if ($._initialized != type(uint64).max) {
$._initialized = type(uint64).max;
emit Initialized(type(uint64).max);
}
}
/**
* @dev Returns the highest version that has been initialized. See {reinitializer}.
*/
function _getInitializedVersion() internal view returns (uint64) {
return _getInitializableStorage()._initialized;
}
/**
* @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
*/
function _isInitializing() internal view returns (bool) {
return _getInitializableStorage()._initializing;
}
/**
* @dev Returns a pointer to the storage namespace.
*/
// solhint-disable-next-line var-name-mixedcase
function _getInitializableStorage() private pure returns (InitializableStorage storage $) {
assembly {
$.slot := INITIALIZABLE_STORAGE
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/ReentrancyGuard.sol)
pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuardUpgradeable is Initializable {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant NOT_ENTERED = 1;
uint256 private constant ENTERED = 2;
/// @custom:storage-location erc7201:openzeppelin.storage.ReentrancyGuard
struct ReentrancyGuardStorage {
uint256 _status;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ReentrancyGuard")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant ReentrancyGuardStorageLocation = 0x9b779b17422d0df92223018b32b4d1fa46e071723d6817e2486d003becc55f00;
function _getReentrancyGuardStorage() private pure returns (ReentrancyGuardStorage storage $) {
assembly {
$.slot := ReentrancyGuardStorageLocation
}
}
/**
* @dev Unauthorized reentrant call.
*/
error ReentrancyGuardReentrantCall();
function __ReentrancyGuard_init() internal onlyInitializing {
__ReentrancyGuard_init_unchained();
}
function __ReentrancyGuard_init_unchained() internal onlyInitializing {
ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
$._status = NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
// On the first call to nonReentrant, _status will be NOT_ENTERED
if ($._status == ENTERED) {
revert ReentrancyGuardReentrantCall();
}
// Any calls to nonReentrant after this point will fail
$._status = ENTERED;
}
function _nonReentrantAfter() private {
ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
$._status = NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
return $._status == ENTERED;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/AccessControl.sol)
pragma solidity ^0.8.20;
import {IAccessControl} from "./IAccessControl.sol";
import {Context} from "../utils/Context.sol";
import {ERC165} from "../utils/introspection/ERC165.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```solidity
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```solidity
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
* to enforce additional security measures for this role.
*/
abstract contract AccessControl is Context, IAccessControl, ERC165 {
struct RoleData {
mapping(address account => bool) hasRole;
bytes32 adminRole;
}
mapping(bytes32 role => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with an {AccessControlUnauthorizedAccount} error including the required role.
*/
modifier onlyRole(bytes32 role) {
_checkRole(role);
_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view virtual returns (bool) {
return _roles[role].hasRole[account];
}
/**
* @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()`
* is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier.
*/
function _checkRole(bytes32 role) internal view virtual {
_checkRole(role, _msgSender());
}
/**
* @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account`
* is missing `role`.
*/
function _checkRole(bytes32 role, address account) internal view virtual {
if (!hasRole(role, account)) {
revert AccessControlUnauthorizedAccount(account, role);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) {
return _roles[role].adminRole;
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleGranted} event.
*/
function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleRevoked} event.
*/
function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been revoked `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `callerConfirmation`.
*
* May emit a {RoleRevoked} event.
*/
function renounceRole(bytes32 role, address callerConfirmation) public virtual {
if (callerConfirmation != _msgSender()) {
revert AccessControlBadConfirmation();
}
_revokeRole(role, callerConfirmation);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
bytes32 previousAdminRole = getRoleAdmin(role);
_roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/**
* @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted.
*
* Internal function without access restriction.
*
* May emit a {RoleGranted} event.
*/
function _grantRole(bytes32 role, address account) internal virtual returns (bool) {
if (!hasRole(role, account)) {
_roles[role].hasRole[account] = true;
emit RoleGranted(role, account, _msgSender());
return true;
} else {
return false;
}
}
/**
* @dev Attempts to revoke `role` to `account` and returns a boolean indicating if `role` was revoked.
*
* Internal function without access restriction.
*
* May emit a {RoleRevoked} event.
*/
function _revokeRole(bytes32 role, address account) internal virtual returns (bool) {
if (hasRole(role, account)) {
_roles[role].hasRole[account] = false;
emit RoleRevoked(role, account, _msgSender());
return true;
} else {
return false;
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/IAccessControl.sol)
pragma solidity ^0.8.20;
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IAccessControl {
/**
* @dev The `account` is missing a role.
*/
error AccessControlUnauthorizedAccount(address account, bytes32 neededRole);
/**
* @dev The caller of a function is not the expected one.
*
* NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.
*/
error AccessControlBadConfirmation();
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, an admin role
* bearer except when using {AccessControl-_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) external view returns (bool);
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {AccessControl-_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) external view returns (bytes32);
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `callerConfirmation`.
*/
function renounceRole(bytes32 role, address callerConfirmation) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1271.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC1271 standard signature validation method for
* contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
*/
interface IERC1271 {
/**
* @dev Should return whether the signature provided is valid for the provided data
* @param hash Hash of the data to be signed
* @param signature Signature byte array associated with _data
*/
function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*
* ==== Security Considerations
*
* There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
* expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
* considered as an intention to spend the allowance in any specific way. The second is that because permits have
* built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
* take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
* generally recommended is:
*
* ```solidity
* function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
* try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
* doThing(..., value);
* }
*
* function doThing(..., uint256 value) public {
* token.safeTransferFrom(msg.sender, address(this), value);
* ...
* }
* ```
*
* Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
* `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
* {SafeERC20-safeTransferFrom}).
*
* Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
* contracts should have entry points that don't rely on permit.
*/
interface IERC20Permit {
/**
* @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
* given ``owner``'s signed approval.
*
* IMPORTANT: The same issues {IERC20-approve} has related to transaction
* ordering also apply here.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `deadline` must be a timestamp in the future.
* - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
* over the EIP712-formatted function arguments.
* - the signature must use ``owner``'s current nonce (see {nonces}).
*
* For more information on the signature format, see the
* https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
* section].
*
* CAUTION: See Security Considerations above.
*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
/**
* @dev Returns the current nonce for `owner`. This value must be
* included whenever a signature is generated for {permit}.
*
* Every successful call to {permit} increases ``owner``'s nonce by one. This
* prevents a signature from being used multiple times.
*/
function nonces(address owner) external view returns (uint256);
/**
* @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view returns (bytes32);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
/**
* @dev An operation with an ERC20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data);
if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
// and not revert is the subcall reverts.
(bool success, bytes memory returndata) = address(token).call(data);
return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)
pragma solidity ^0.8.20;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev The ETH balance of the account is not enough to perform the operation.
*/
error AddressInsufficientBalance(address account);
/**
* @dev There's no code at `target` (it is not a contract).
*/
error AddressEmptyCode(address target);
/**
* @dev A call to an address target failed. The target may have reverted.
*/
error FailedInnerCall();
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert AddressInsufficientBalance(address(this));
}
(bool success, ) = recipient.call{value: amount}("");
if (!success) {
revert FailedInnerCall();
}
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason or custom error, it is bubbled
* up by this function (like regular Solidity function calls). However, if
* the call reverted with no returned reason, this function reverts with a
* {FailedInnerCall} error.
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert AddressInsufficientBalance(address(this));
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
* was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
* unsuccessful call.
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata
) internal view returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
// only check if target is a contract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
/**
* @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
* revert reason or with a default {FailedInnerCall} error.
*/
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
/**
* @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
*/
function _revert(bytes memory returndata) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert FailedInnerCall();
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol)
pragma solidity ^0.8.20;
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSA {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS
}
/**
* @dev The signature derives the `address(0)`.
*/
error ECDSAInvalidSignature();
/**
* @dev The signature has an invalid length.
*/
error ECDSAInvalidSignatureLength(uint256 length);
/**
* @dev The signature has an S value that is in the upper half order.
*/
error ECDSAInvalidSignatureS(bytes32 s);
/**
* @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not
* return address(0) without also returning an error description. Errors are documented using an enum (error type)
* and a bytes32 providing additional information about the error.
*
* If no error is returned, then the address can be used for verification purposes.
*
* The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
*
* Documentation for signature generation:
* - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
* - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
*/
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {
if (signature.length == 65) {
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
/// @solidity memory-safe-assembly
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return tryRecover(hash, v, r, s);
} else {
return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature`. This address can then be used for verification purposes.
*
* The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);
_throwError(error, errorArg);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
*
* See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
*/
function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {
unchecked {
bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
// We do not check for an overflow here since the shift operation results in 0 or 1.
uint8 v = uint8((uint256(vs) >> 255) + 27);
return tryRecover(hash, v, r, s);
}
}
/**
* @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
*/
function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);
_throwError(error, errorArg);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function tryRecover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address, RecoverError, bytes32) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS, s);
}
// If the signature is valid (and not malleable), return the signer address
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature, bytes32(0));
}
return (signer, RecoverError.NoError, bytes32(0));
}
/**
* @dev Overload of {ECDSA-recover} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);
_throwError(error, errorArg);
return recovered;
}
/**
* @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.
*/
function _throwError(RecoverError error, bytes32 errorArg) private pure {
if (error == RecoverError.NoError) {
return; // no error: do nothing
} else if (error == RecoverError.InvalidSignature) {
revert ECDSAInvalidSignature();
} else if (error == RecoverError.InvalidSignatureLength) {
revert ECDSAInvalidSignatureLength(uint256(errorArg));
} else if (error == RecoverError.InvalidSignatureS) {
revert ECDSAInvalidSignatureS(errorArg);
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import {
CoreAccessControlInitiable,
CoreAccessControlConfig
} from "../core/CoreAccessControl/v1/CoreAccessControlInitiable.sol";
import { CoreStopGuardian } from "../core/CoreStopGuardian/v1/CoreStopGuardian.sol";
import { CoreStopGuardianTrading } from "../core/CoreStopGuardianTrading/v1/CoreStopGuardianTrading.sol";
import { DefinitiveConstants } from "../core/libraries/DefinitiveConstants.sol";
import { ICoreSimpleSwapV1 } from "../core/CoreSimpleSwap/v1/ICoreSimpleSwapV1.sol";
import { InvalidMethod } from "../core/libraries/DefinitiveErrors.sol";
import { SignatureCheckerLib } from "../tools/SoladySnippets/SignatureCheckerLib.sol";
abstract contract BaseAccessControlInitiable is CoreAccessControlInitiable, CoreStopGuardian, CoreStopGuardianTrading {
/**
* @dev
* Modifiers inherited from CoreAccessControl:
* onlyDefinitive
* onlyWhitelisted
* onlyClientAdmin
* onlyDefinitiveAdmin
*
* Modifiers inherited from CoreStopGuardian:
* stopGuarded
*/
function __BaseAccessControlInitiable__init(
CoreAccessControlConfig calldata coreAccessControlConfig
) internal onlyInitializing {
__CoreAccessControlInitiable__init(coreAccessControlConfig);
_updateGlobalTradeGuardian(DefinitiveConstants.DEFAULT_GLOBAL_TRADE_GUARDIAN);
}
/// @dev Validate `userOp.signature` for the `userOpHash`.
function _validateSignature(
PackedUserOperation calldata userOp,
bytes32 userOpHash
) internal view override returns (uint256 validationData) {
(address signerAddress, bytes memory signature) = abi.decode(userOp.signature, (address, bytes));
bytes4 methodSig = bytes4(userOp.callData);
if (hasRole(DEFAULT_ADMIN_ROLE, signerAddress)) {
// Allow clients and admin to sign any method
} else if (methodSig == this.entryPoint.selector) {
// Allow read only call to get entrypoint address
} else if (_isAuthorizedDefinitiveMethod(methodSig)) {
_checkAccountIsPerformer(signerAddress);
} else {
revert InvalidMethod(methodSig);
}
bool success = SignatureCheckerLib.isValidSignatureNow(
signerAddress,
SignatureCheckerLib.toEthSignedMessageHash(userOpHash),
signature
);
// solhint-disable-next-line no-inline-assembly
assembly {
// Returns 0 if the recovered address matches the owner.
// Else returns 1, which is equivalent to:
// `(success ? 0 : 1) | (uint256(validUntil) << 160) | (uint256(validAfter) << (160 + 48))`
// where `validUntil` is 0 (indefinite) and `validAfter` is 0.
validationData := iszero(success)
}
}
function _isAuthorizedDefinitiveMethod(bytes4 methodSig) internal pure returns (bool) {
return methodSig == ICoreSimpleSwapV1.swap.selector;
}
/**
* @dev Inherited from CoreStopGuardianTrading
*/
function updateGlobalTradeGuardian(address _globalTradeGuardian) external override onlyAdmins {
return _updateGlobalTradeGuardian(_globalTradeGuardian);
}
/**
* @dev Inherited from CoreStopGuardian
*/
function enableStopGuardian() public override onlyAdmins {
return _enableStopGuardian();
}
/**
* @dev Inherited from CoreStopGuardian
*/
function disableStopGuardian() public override onlyClientAdmin {
return _disableStopGuardian();
}
/**
* @dev Inherited from CoreStopGuardianTrading
*/
function disableTrading() public override onlyAdmins {
return _disableTrading();
}
/**
* @dev Inherited from CoreStopGuardianTrading
*/
function enableTrading() public override onlyAdmins {
return _enableTrading();
}
/**
* @dev Inherited from CoreStopGuardianTrading
*/
function disableWithdrawals() public override onlyClientAdmin {
return _disableWithdrawals();
}
/**
* @dev Inherited from CoreStopGuardianTrading
*/
function enableWithdrawals() public override onlyClientAdmin {
return _enableWithdrawals();
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { BaseAccessControlInitiable } from "./BaseAccessControlInitiable.sol";
import { DefinitiveAssets, IERC20 } from "../core/libraries/DefinitiveAssets.sol";
import { DefinitiveConstants } from "../core/libraries/DefinitiveConstants.sol";
import { InvalidFeePercent } from "../core/libraries/DefinitiveErrors.sol";
import { IGlobalGuardian } from "../tools/GlobalGuardian/IGlobalGuardian.sol";
struct CoreFeesConfig {
address payable feeAccount;
}
abstract contract BaseFeesInitiable is BaseAccessControlInitiable {
using DefinitiveAssets for IERC20;
function _handleFeesOnAmount(address token, uint256 amount, uint256 feePct) internal returns (uint256 feeAmount) {
uint256 mMaxFeePCT = DefinitiveConstants.MAX_FEE_PCT;
if (feePct > mMaxFeePCT) {
revert InvalidFeePercent();
}
feeAmount = (amount * feePct) / mMaxFeePCT;
if (feeAmount == 0) {
return feeAmount;
}
if (token == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {
if (_msgSender() == entryPoint()) {
DefinitiveAssets.safeTransferETH(FEE_ACCOUNT(), feeAmount);
} else {
DefinitiveAssets.safeTransferETH(_msgSender(), feeAmount);
}
} else {
IERC20(token).safeTransfer(FEE_ACCOUNT(), feeAmount);
}
}
function FEE_ACCOUNT() public view returns (address) {
return payable(IGlobalGuardian(GLOBAL_TRADE_GUARDIAN()).feeAccount());
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { BaseAccessControlInitiable } from "../../BaseAccessControlInitiable.sol";
import { IBaseNativeWrapperV1 } from "./IBaseNativeWrapperV1.sol";
import { DefinitiveAssets, IERC20 } from "../../../core/libraries/DefinitiveAssets.sol";
struct BaseNativeWrapperConfig {
address payable wrappedNativeAssetAddress;
}
abstract contract BaseNativeWrapperInitiable is IBaseNativeWrapperV1, BaseAccessControlInitiable {
using DefinitiveAssets for IERC20;
/// @custom:storage-location erc7201:definitive.storage.BaseNativeWrapper
struct BaseNativeWrapperStorage {
address payable wrappedNativeAssetAddress;
}
// keccak256(abi.encode(uint256(keccak256("definitive.storage.BaseNativeWrapper")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant BaseNativeWrapperStorageLocation =
0x57fbe06c102296dbdfaa9e064bb0d9f51d09253320913950d5de84e9a7e6e100;
function _getBaseNativeWrapperStorage()
private
pure
returns (BaseNativeWrapperStorage storage baseNativeWrapperStorage)
{
assembly {
baseNativeWrapperStorage.slot := BaseNativeWrapperStorageLocation
}
}
function __BaseNativeWrapperInitiable__init(
BaseNativeWrapperConfig calldata baseNativeWrapperConfig
) internal onlyInitializing {
BaseNativeWrapperStorage storage s = _getBaseNativeWrapperStorage();
s.wrappedNativeAssetAddress = baseNativeWrapperConfig.wrappedNativeAssetAddress;
}
function WRAPPED_NATIVE_ASSET_ADDRESS() public view returns (address payable) {
return _getBaseNativeWrapperStorage().wrappedNativeAssetAddress;
}
/**
* @notice Publicly accessible method to wrap native assets
* @param amount Amount of native assets to wrap
*/
function wrap(uint256 amount) public onlyWhitelisted nonReentrant {
_wrap(amount);
emit NativeAssetWrap(_msgSender(), amount, true /* wrappingToNative */);
}
/**
* @notice Publicly accessible method to unwrap native assets
* @param amount Amount of tokenized assets to unwrap
*/
function unwrap(uint256 amount) public onlyWhitelisted nonReentrant {
_unwrap(amount);
emit NativeAssetWrap(_msgSender(), amount, false /* wrappingToNative */);
}
/**
* @notice Publicly accessible method to unwrap full balance of native assets
* @dev Method is not marked as `nonReentrant` since it is a wrapper around `unwrap`
*/
function unwrapAll() external onlyWhitelisted {
return unwrap(DefinitiveAssets.getBalance(WRAPPED_NATIVE_ASSET_ADDRESS()));
}
/**
* @notice Internal method to wrap native assets
* @dev Override this method with native asset wrapping implementation
*/
function _wrap(uint256 amount) internal virtual;
/**
* @notice Internal method to unwrap native assets
* @dev Override this method with native asset unwrapping implementation
*/
function _unwrap(uint256 amount) internal virtual;
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface IBaseNativeWrapperV1 {
event NativeAssetWrap(address actor, uint256 amount, bool indexed wrappingToNative);
function WRAPPED_NATIVE_ASSET_ADDRESS() external view returns (address payable);
function wrap(uint256 amount) external;
function unwrap(uint256 amount) external;
function unwrapAll() external;
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { IERC1271 } from "@openzeppelin/contracts/interfaces/IERC1271.sol";
import { ECDSA } from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import { BaseAccessControlInitiable } from "./BaseAccessControlInitiable.sol";
import { AccountNotAdmin, InvalidSignature } from "../core/libraries/DefinitiveErrors.sol";
/**
* @title BaseRecoverSignerInitiable
* @author WardenJakx
* @notice `isValidSignature` ensures the signer is a valid client
*/
abstract contract BaseRecoverSignerInitiable is BaseAccessControlInitiable, IERC1271 {
// bytes4(keccak256("isValidSignature(bytes32,bytes)")
bytes4 internal constant EIP_1271_RETURN_VALUE = 0x1626ba7e;
/**
* @notice Verifies that the signer is the owner of the signing contract.
*/
function isValidSignature(bytes32 _hash, bytes calldata _encodedSignature) external view override returns (bytes4) {
(address clientAdminAddress, bytes memory signature) = abi.decode(_encodedSignature, (address, bytes));
if (!hasRole(DEFAULT_ADMIN_ROLE, clientAdminAddress)) {
revert AccountNotAdmin(clientAdminAddress);
}
if (clientAdminAddress.code.length > 0) {
return IERC1271(clientAdminAddress).isValidSignature(_hash, signature);
} else if (ECDSA.recover(_hash, signature) == clientAdminAddress) {
return EIP_1271_RETURN_VALUE;
}
revert InvalidSignature();
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { BaseFeesInitiable } from "./BaseFeesInitiable.sol";
import { CoreSimpleSwapInitiable, SwapPayload } from "../core/CoreSimpleSwap/v1/CoreSimpleSwapInitiable.sol";
import { DefinitiveConstants } from "../core/libraries/DefinitiveConstants.sol";
import { InvalidFeePercent, SlippageExceeded } from "../core/libraries/DefinitiveErrors.sol";
import { ICoreSwapHandlerV1 } from "../core/CoreSwapHandler/ICoreSwapHandlerV1.sol";
abstract contract BaseSimpleSwapInitiable is BaseFeesInitiable, CoreSimpleSwapInitiable {
function swap(
SwapPayload[] memory payloads,
address outputToken,
uint256 amountOutMin,
uint256 feePct
) external payable override onlyDefinitive nonReentrant stopGuarded tradingEnabled returns (uint256) {
if (feePct > DefinitiveConstants.MAX_FEE_PCT) {
revert InvalidFeePercent();
}
(uint256[] memory inputAmounts, uint256 outputAmount) = _swap(payloads, outputToken);
if (outputAmount < amountOutMin) {
revert SlippageExceeded(outputAmount, amountOutMin);
}
address[] memory swapTokens = new address[](payloads.length);
uint256 swapTokensLength = swapTokens.length;
for (uint256 i; i < swapTokensLength; ) {
swapTokens[i] = payloads[i].swapToken;
unchecked {
++i;
}
}
uint256 feeAmount;
if (FEE_ACCOUNT() != address(0) && outputAmount > 0 && feePct > 0) {
feeAmount = _handleFeesOnAmount(outputToken, outputAmount, feePct);
}
emit SwapHandled(swapTokens, inputAmounts, outputToken, outputAmount, feeAmount);
return outputAmount;
}
function _getEncodedSwapHandlerCalldata(
SwapPayload memory payload,
address expectedOutputToken,
bool isDelegateCall
) internal pure override returns (bytes memory) {
bytes4 selector = isDelegateCall
? ICoreSwapHandlerV1.swapDelegate.selector
: ICoreSwapHandlerV1.swapCall.selector;
ICoreSwapHandlerV1.SwapParams memory _params = ICoreSwapHandlerV1.SwapParams({
inputAssetAddress: payload.swapToken,
inputAmount: payload.amount,
outputAssetAddress: expectedOutputToken,
minOutputAmount: payload.amountOutMin,
data: payload.handlerCalldata,
signature: payload.signature
});
return abi.encodeWithSelector(selector, _params);
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { CoreDeposit } from "../../../core/CoreDeposit/v1/CoreDeposit.sol";
import { CoreWithdraw } from "../../../core/CoreWithdraw/v1/CoreWithdraw.sol";
import { BaseAccessControlInitiable } from "../../BaseAccessControlInitiable.sol";
abstract contract BaseTransfersInitiable is CoreDeposit, CoreWithdraw, BaseAccessControlInitiable {
function deposit(
uint256[] calldata amounts,
address[] calldata erc20Tokens
) external payable virtual override onlyClientAdmin nonReentrant stopGuarded {
return _deposit(amounts, erc20Tokens);
}
function withdraw(
uint256 amount,
address erc20Token
) public virtual override onlyClientAdmin nonReentrant stopGuarded withdrawalsEnabled returns (bool) {
return _withdraw(amount, erc20Token);
}
function withdrawTo(
uint256 amount,
address erc20Token,
address to
) public virtual override onlyWhitelisted nonReentrant stopGuarded withdrawalsEnabled returns (bool) {
// `to` account must be a client
_checkRole(ROLE_CLIENT, to);
return _withdrawTo(amount, erc20Token, to);
}
function withdrawAll(
address[] calldata tokens
) public virtual override onlyClientAdmin nonReentrant stopGuarded withdrawalsEnabled returns (bool) {
return _withdrawAll(tokens);
}
function withdrawAllTo(
address[] calldata tokens,
address to
) public virtual override onlyWhitelisted stopGuarded withdrawalsEnabled returns (bool) {
_checkRole(ROLE_CLIENT, to);
return _withdrawAllTo(tokens, to);
}
function supportsNativeAssets() public pure virtual override returns (bool) {
return false;
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { IBaseNativeWrapperV1 } from "../../BaseNativeWrapper/v1/IBaseNativeWrapperV1.sol";
import { BaseTransfersInitiable } from "../../BaseTransfers/v1/BaseTransfersInitiable.sol";
import { CoreTransfersNative } from "../../../core/CoreTransfersNative/v1/CoreTransfersNative.sol";
abstract contract BaseTransfersNativeInitiable is IBaseNativeWrapperV1, CoreTransfersNative, BaseTransfersInitiable {
function deposit(
uint256[] calldata amounts,
address[] calldata assetAddresses
) external payable override onlyClientAdmin nonReentrant stopGuarded {
_depositNativeAndERC20(amounts, assetAddresses);
emit Deposit(_msgSender(), assetAddresses, amounts);
}
function supportsNativeAssets() public pure virtual override returns (bool) {
return true;
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { AccessControl as OZAccessControl } from "@openzeppelin/contracts/access/AccessControl.sol";
import { ICoreAccessControlV1, CoreAccessControlConfig } from "./ICoreAccessControlV1.sol";
import { AccountNotAdmin, AccountNotWhitelisted, AccountMissingRole } from "../../libraries/DefinitiveErrors.sol";
import { IGlobalGuardian } from "../../../tools/GlobalGuardian/IGlobalGuardian.sol";
import { CoreGlobalGuardian } from "../../CoreGlobalGuardian/CoreGlobalGuardian.sol";
import { Initializable } from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import { ReentrancyGuardUpgradeable } from "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
import { CoreAccountAbstraction, Unauthorized } from "../../CoreAccountAbstraction/CoreAccountAbstraction.sol";
abstract contract CoreAccessControlInitiable is
ICoreAccessControlV1,
OZAccessControl,
Initializable,
CoreGlobalGuardian,
ReentrancyGuardUpgradeable,
CoreAccountAbstraction
{
/// @custom:storage-location erc7201:definitive.storage.CoreAccessControl
struct CoreAccessControlStorage {
mapping(bytes32 => RoleDataPasskeys) roles;
}
struct RoleDataPasskeys {
mapping(bytes => bool) hasRole;
bytes32 adminRole;
}
/* solhint-disable max-line-length */
// keccak256(abi.encode(uint256(keccak256("definitive.storage.CoreAccessControl")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant CoreAccessControlStorageLocation =
0x2d4c43e2acbd2a853aab6947a7bb2f7cae5309ca1d492e32a85b53ceb22cc800;
/* solhint-enable max-line-length */
function _getCoreAccessControlStorage() private pure returns (CoreAccessControlStorage storage $) {
/// @solidity memory-safe-assembly
assembly {
$.slot := CoreAccessControlStorageLocation
}
}
// roles
bytes32 public constant ROLE_DEFINITIVE = keccak256("DEFINITIVE");
bytes32 public constant ROLE_DEFINITIVE_ADMIN = keccak256("DEFINITIVE_ADMIN");
bytes32 public constant ROLE_CLIENT = keccak256("CLIENT");
bytes32 public constant ROLE_TRADER = keccak256("TRADER");
modifier onlyDefinitive() {
if (!_accountIsPerformer(_msgSender()) && msg.sender != entryPoint()) {
revert AccountMissingRole(_msgSender(), ROLE_DEFINITIVE);
}
_;
}
modifier onlyDefinitiveAdmin() {
bool isDefinitiveAdmin = IGlobalGuardian(GLOBAL_TRADE_GUARDIAN()).accountIsDefinitiveAdmin(_msgSender());
if (!isDefinitiveAdmin) {
revert AccountMissingRole(_msgSender(), ROLE_DEFINITIVE_ADMIN);
}
_;
}
modifier onlyClientAdmin() {
if (!hasRole(DEFAULT_ADMIN_ROLE, _msgSender()) && msg.sender != entryPoint()) {
revert AccountMissingRole(_msgSender(), DEFAULT_ADMIN_ROLE);
}
_;
}
// default admin + definitive admin
modifier onlyAdmins() {
bool isAdmins = (hasRole(DEFAULT_ADMIN_ROLE, _msgSender()) ||
IGlobalGuardian(GLOBAL_TRADE_GUARDIAN()).accountIsDefinitiveAdmin(_msgSender()));
if (!isAdmins) {
revert AccountNotAdmin(_msgSender());
}
_;
}
// client + definitive
modifier onlyWhitelisted() {
bool isWhitelisted = (hasRole(DEFAULT_ADMIN_ROLE, _msgSender()) ||
IGlobalGuardian(GLOBAL_TRADE_GUARDIAN()).accountIsPerformer(_msgSender()));
if (!isWhitelisted) {
revert AccountNotWhitelisted(_msgSender());
}
_;
}
modifier onlyEntryPointOrClient() {
if (msg.sender != entryPoint() && !hasRole(DEFAULT_ADMIN_ROLE, _msgSender())) {
revert Unauthorized();
}
_;
}
function isPasskeyClient(bytes memory account) public view returns (bool) {
return _getCoreAccessControlStorage().roles[DEFAULT_ADMIN_ROLE].hasRole[account];
}
function isPasskeyTrader(bytes memory account) public view returns (bool) {
return _getCoreAccessControlStorage().roles[ROLE_TRADER].hasRole[account];
}
function __CoreAccessControlInitiable__init(CoreAccessControlConfig calldata cfg) internal onlyInitializing {
__ReentrancyGuard_init();
// admin
_grantRole(DEFAULT_ADMIN_ROLE, cfg.admin);
uint256 cfgClientLength = cfg.client.length;
for (uint256 i; i < cfgClientLength; ) {
_grantRole(ROLE_CLIENT, cfg.client[i]);
_grantRole(DEFAULT_ADMIN_ROLE, cfg.client[i]);
unchecked {
++i;
}
}
CoreAccessControlStorage storage $ = _getCoreAccessControlStorage();
for (uint256 i; i < cfg.passkeyClients.length; ) {
$.roles[DEFAULT_ADMIN_ROLE].hasRole[cfg.passkeyClients[i]] = true;
unchecked {
++i;
}
}
/// Traders are NOT clients as should not be able to withdraw
/// We must create a role specific to traders (is still backwards compatible)
for (uint256 i; i < cfg.traders.length; ) {
$.roles[ROLE_TRADER].hasRole[cfg.passkeyTraders[i]] = true;
unchecked {
++i;
}
}
}
function execute(
address target,
uint256 value,
bytes calldata data
) public payable override onlyEntryPointOrClient returns (bytes memory result) {
return _execute(target, value, data);
}
function executeBatch(
Call[] calldata calls
) public payable override onlyEntryPointOrClient returns (bytes[] memory results) {
return _executeBatch(calls);
}
function _checkRole(bytes32 role, address account) internal view virtual override {
if (!hasRole(role, account)) {
revert AccountMissingRole(account, role);
}
}
function _checkAccountIsPerformer(address account) internal view virtual {
if (!_accountIsPerformer(account)) {
revert AccountMissingRole(account, ROLE_DEFINITIVE);
}
}
function _accountIsPerformer(address account) internal view returns (bool) {
return IGlobalGuardian(GLOBAL_TRADE_GUARDIAN()).accountIsPerformer(account);
}
/**
* @dev Grants passkey client role to the given account.
*
* Requirements:
* - the caller must have the DEFAULT_ADMIN_ROLE.
*/
function grantPasskeyClientRole(bytes memory account) public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
CoreAccessControlStorage storage $ = _getCoreAccessControlStorage();
if (!$.roles[DEFAULT_ADMIN_ROLE].hasRole[account]) {
$.roles[DEFAULT_ADMIN_ROLE].hasRole[account] = true;
emit RoleGranted(DEFAULT_ADMIN_ROLE, address(bytes20(account)), _msgSender());
}
}
/**
* @dev Revokes passkey client role from the given account.
*
* Requirements:
* - the caller must have the DEFAULT_ADMIN_ROLE.
*/
function revokePasskeyClientRole(bytes memory account) public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
CoreAccessControlStorage storage $ = _getCoreAccessControlStorage();
if ($.roles[DEFAULT_ADMIN_ROLE].hasRole[account]) {
$.roles[DEFAULT_ADMIN_ROLE].hasRole[account] = false;
emit RoleRevoked(DEFAULT_ADMIN_ROLE, address(bytes20(account)), _msgSender());
}
}
/**
* @dev Grants passkey trader role to the given account.
*
* Requirements:
* - the caller must have either the DEFAULT_ADMIN_ROLE or ROLE_TRADER.
*/
function grantPasskeyTraderRole(bytes memory account) public virtual {
if (!hasRole(DEFAULT_ADMIN_ROLE, _msgSender()) && !hasRole(ROLE_TRADER, _msgSender())) {
revert AccountMissingRole(_msgSender(), DEFAULT_ADMIN_ROLE);
}
CoreAccessControlStorage storage $ = _getCoreAccessControlStorage();
if (!$.roles[ROLE_TRADER].hasRole[account]) {
$.roles[ROLE_TRADER].hasRole[account] = true;
emit RoleGranted(ROLE_TRADER, address(bytes20(account)), _msgSender());
}
}
/**
* @dev Revokes passkey trader role from the given account.
*
* Requirements:
* - the caller must have the DEFAULT_ADMIN_ROLE.
*/
function revokePasskeyTraderRole(bytes memory account) public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
CoreAccessControlStorage storage $ = _getCoreAccessControlStorage();
if ($.roles[ROLE_TRADER].hasRole[account]) {
$.roles[ROLE_TRADER].hasRole[account] = false;
emit RoleRevoked(ROLE_TRADER, address(bytes20(account)), _msgSender());
}
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { IAccessControl } from "@openzeppelin/contracts/access/IAccessControl.sol";
struct CoreAccessControlConfig {
address admin;
address[] client;
address[] traders;
// admin = clients
bytes[] passkeyClients;
bytes[] passkeyTraders;
}
interface ICoreAccessControlV1 is IAccessControl {
function ROLE_CLIENT() external returns (bytes32);
function ROLE_DEFINITIVE() external returns (bytes32);
function ROLE_DEFINITIVE_ADMIN() external returns (bytes32);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
// import { SignatureCheckerLib } from "../../tools/SoladySnippets/SignatureCheckerLib.sol";
import { DefinitiveConstants } from "../libraries/DefinitiveConstants.sol";
error Unauthorized();
abstract contract CoreAccountAbstraction {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STRUCTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The packed ERC4337 user operation (userOp) struct.
struct PackedUserOperation {
address sender;
uint256 nonce;
bytes initCode; // Factory address and `factoryData` (or empty).
bytes callData;
bytes32 accountGasLimits; // `verificationGas` (16 bytes) and `callGas` (16 bytes).
uint256 preVerificationGas;
bytes32 gasFees; // `maxPriorityFee` (16 bytes) and `maxFeePerGas` (16 bytes).
bytes paymasterAndData; // Paymaster fields (or empty).
bytes signature;
}
/// @dev Call struct for the `executeBatch` function.
struct Call {
address target;
uint256 value;
bytes data;
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The function selector is not recognized.
error FnSelectorNotRecognized();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ENTRY POINT */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the canonical ERC4337 EntryPoint contract (0.7).
/// Override this function to return a different EntryPoint.
function entryPoint() public view virtual returns (address) {
return DefinitiveConstants.ENTRYPOINT_0_7;
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EXECUTION OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Execute a call from this account.
function execute(
address target,
uint256 value,
bytes calldata data
) public payable virtual returns (bytes memory result);
/// @dev Execute a sequence of calls from this account.
function executeBatch(Call[] calldata calls) public payable virtual returns (bytes[] memory results);
function _execute(address target, uint256 value, bytes calldata data) internal returns (bytes memory result) {
/// @solidity memory-safe-assembly
assembly {
result := mload(0x40)
calldatacopy(result, data.offset, data.length)
if iszero(call(gas(), target, value, result, data.length, codesize(), 0x00)) {
// Bubble up the revert if the call reverts.
returndatacopy(result, 0x00, returndatasize())
revert(result, returndatasize())
}
mstore(result, returndatasize()) // Store the length.
let o := add(result, 0x20)
returndatacopy(o, 0x00, returndatasize()) // Copy the returndata.
mstore(0x40, add(o, returndatasize())) // Allocate the memory.
}
}
function _executeBatch(Call[] calldata calls) internal returns (bytes[] memory results) {
/// @solidity memory-safe-assembly
assembly {
results := mload(0x40)
mstore(results, calls.length)
let r := add(0x20, results)
let m := add(r, shl(5, calls.length))
calldatacopy(r, calls.offset, shl(5, calls.length))
for {
let end := m
} iszero(eq(r, end)) {
r := add(r, 0x20)
} {
let e := add(calls.offset, mload(r))
let o := add(e, calldataload(add(e, 0x40)))
calldatacopy(m, add(o, 0x20), calldataload(o))
// forgefmt: disable-next-item
if iszero(
call(gas(), calldataload(e), calldataload(add(e, 0x20)), m, calldataload(o), codesize(), 0x00)
) {
// Bubble up the revert if the call reverts.
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
mstore(r, m) // Append `m` into `results`.
mstore(m, returndatasize()) // Store the length,
let p := add(m, 0x20)
returndatacopy(p, 0x00, returndatasize()) // and copy the returndata.
m := add(p, returndatasize()) // Advance `m`.
}
mstore(0x40, m) // Allocate the memory.
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* VALIDATION OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Validates the signature and nonce.
/// The EntryPoint will make the call to the recipient only if
/// this validation call returns successfully.
///
/// Signature failure should be reported by returning 1 (see: `_validateSignature`).
/// This allows making a "simulation call" without a valid signature.
/// Other failures (e.g. nonce mismatch, or invalid signature format)
/// should still revert to signal failure.
function validateUserOp(
PackedUserOperation calldata userOp,
bytes32 userOpHash,
uint256 missingAccountFunds
) external payable virtual onlyEntryPoint payPrefund(missingAccountFunds) returns (uint256 validationData) {
validationData = _validateSignature(userOp, userOpHash);
}
/// @dev Validate `userOp.signature` for the `userOpHash`.
function _validateSignature(
PackedUserOperation calldata userOp,
bytes32 userOpHash
) internal virtual returns (uint256 validationData);
/// @dev Override to validate the nonce of the userOp.
/// This method may validate the nonce requirement of this account.
/// e.g.
/// To limit the nonce to use sequenced userOps only (no "out of order" userOps):
/// `require(nonce < type(uint64).max)`
/// For a hypothetical account that *requires* the nonce to be out-of-order:
/// `require(nonce & type(uint64).max == 0)`
///
/// The actual nonce uniqueness is managed by the EntryPoint, and thus no other
/// action is needed by the account itself.
function _validateNonce(uint256 nonce) internal virtual {
nonce = nonce; // Silence unused variable warning.
}
/// @dev Sends to the EntryPoint (i.e. `msg.sender`) the missing funds for this transaction.
/// Subclass MAY override this modifier for better funds management.
/// (e.g. send to the EntryPoint more than the minimum required, so that in future transactions
/// it will not be required to send again)
///
/// `missingAccountFunds` is the minimum value this modifier should send the EntryPoint,
/// which MAY be zero, in case there is enough deposit, or the userOp has a paymaster.
// solhint-disable-next-line no-inline-assembly
modifier payPrefund(uint256 missingAccountFunds) virtual {
_;
/// @solidity memory-safe-assembly
assembly {
if missingAccountFunds {
// Ignore failure (it's EntryPoint's job to verify, not the account's).
pop(call(gas(), caller(), missingAccountFunds, codesize(), 0x00, codesize(), 0x00))
}
}
}
/// @dev Requires that the caller is the EntryPoint.
modifier onlyEntryPoint() virtual {
if (msg.sender != entryPoint()) revert Unauthorized();
_;
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { ICoreDepositV1 } from "./ICoreDepositV1.sol";
import { Context } from "@openzeppelin/contracts/utils/Context.sol";
import { DefinitiveAssets, IERC20 } from "../../libraries/DefinitiveAssets.sol";
import { InvalidInputs } from "../../libraries/DefinitiveErrors.sol";
abstract contract CoreDeposit is ICoreDepositV1, Context {
using DefinitiveAssets for IERC20;
function deposit(uint256[] calldata amounts, address[] calldata assetAddresses) external payable virtual;
function _deposit(uint256[] calldata amounts, address[] calldata erc20Tokens) internal virtual {
_depositERC20(amounts, erc20Tokens);
emit Deposit(_msgSender(), erc20Tokens, amounts);
}
function _depositERC20(uint256[] calldata amounts, address[] calldata erc20Tokens) internal {
uint256 amountsLength = amounts.length;
if (amountsLength != erc20Tokens.length) {
revert InvalidInputs();
}
for (uint256 i; i < amountsLength; ) {
IERC20(erc20Tokens[i]).safeTransferFrom(_msgSender(), address(this), amounts[i]);
unchecked {
++i;
}
}
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface ICoreDepositV1 {
event Deposit(address indexed actor, address[] assetAddresses, uint256[] amounts);
function deposit(uint256[] calldata amounts, address[] calldata assetAddresses) external payable;
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
abstract contract CoreGlobalGuardian {
event GlobalTradeGuardianUpdate(address indexed globalTradeGuardian);
/// @custom:storage-location erc7201:definitive.storage.CoreGlobalGuardian
struct CoreGlobalGuardianStorage {
address GLOBAL_TRADE_GUARDIAN;
}
/// keccak256(abi.encode(uint256(keccak256("definitive.storage.CoreGlobalGuardian"))- 1)) & ~bytes32(uint256(0xff))
bytes32 private constant CoreGlobalGuardianStorageLocation =
0x96888095fca464b4a45fa21ec2cd73681252b1aee41fb5e30dbff9a53008bb00;
function _getCoreGlobalGuardianStorage() private pure returns (CoreGlobalGuardianStorage storage $) {
assembly {
$.slot := CoreGlobalGuardianStorageLocation
}
}
function GLOBAL_TRADE_GUARDIAN() public view returns (address) {
CoreGlobalGuardianStorage storage $ = _getCoreGlobalGuardianStorage();
return $.GLOBAL_TRADE_GUARDIAN;
}
function updateGlobalTradeGuardian(address _globalTradeGuardian) external virtual;
function _updateGlobalTradeGuardian(address _globalTradeGuardian) internal {
CoreGlobalGuardianStorage storage $ = _getCoreGlobalGuardianStorage();
$.GLOBAL_TRADE_GUARDIAN = _globalTradeGuardian;
emit GlobalTradeGuardianUpdate(_globalTradeGuardian);
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { ICoreMulticallV1 } from "./ICoreMulticallV1.sol";
import { Address } from "@openzeppelin/contracts/utils/Address.sol";
import { DefinitiveAssets } from "../../libraries/DefinitiveAssets.sol";
/* solhint-disable max-line-length */
/**
* @notice Implements openzeppelin/contracts/utils/Multicall.sol
* Source: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/5b027e517e6aee69f4b4b2f5e78274ac8ee53513/contracts/utils/Multicall.sol solhint-disable max-line-length
*/
/* solhint-enable max-line-length */
abstract contract CoreMulticall is ICoreMulticallV1 {
/**
* @dev Receives and executes a batch of function calls on this contract.
*/
function multicall(bytes[] calldata data) external returns (bytes[] memory results) {
uint256 dataLength = data.length;
results = new bytes[](dataLength);
for (uint256 i; i < dataLength; ) {
results[i] = Address.functionDelegateCall(address(this), data[i]);
unchecked {
++i;
}
}
}
function getBalance(address assetAddress) public view returns (uint256) {
return DefinitiveAssets.getBalance(assetAddress);
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface ICoreMulticallV1 {
function multicall(bytes[] calldata data) external returns (bytes[] memory results);
function getBalance(address assetAddress) external view returns (uint256);
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { ICoreSimpleSwapV1 } from "./ICoreSimpleSwapV1.sol";
import { DefinitiveAssets, IERC20 } from "../../libraries/DefinitiveAssets.sol";
import { Context } from "@openzeppelin/contracts/utils/Context.sol";
import { CallUtils } from "../../../tools/BubbleReverts/BubbleReverts.sol";
import { DefinitiveConstants } from "../../libraries/DefinitiveConstants.sol";
import {
InvalidSwapHandler,
InsufficientSwapTokenBalance,
SwapTokenIsOutputToken,
InvalidOutputToken,
InvalidReportedOutputAmount,
InvalidExecutedOutputAmount
} from "../../libraries/DefinitiveErrors.sol";
import { Initializable } from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import { SwapPayload } from "./ICoreSimpleSwapV1.sol";
import { CoreGlobalGuardian } from "../../CoreGlobalGuardian/CoreGlobalGuardian.sol";
import { IGlobalGuardian } from "../../../tools/GlobalGuardian/IGlobalGuardian.sol";
struct CoreSimpleSwapConfig {
address[] swapHandlers;
}
abstract contract CoreSimpleSwapInitiable is ICoreSimpleSwapV1, Context, Initializable, CoreGlobalGuardian {
using DefinitiveAssets for IERC20;
function swap(
SwapPayload[] memory payloads,
address outputToken,
uint256 amountOutMin,
uint256 feePct
) external payable virtual returns (uint256 outputAmount);
/* solhint-disable code-complexity */
function _swap(
SwapPayload[] memory payloads,
address expectedOutputToken
) internal returns (uint256[] memory inputTokenAmounts, uint256 outputTokenAmount) {
uint256 payloadsLength = payloads.length;
inputTokenAmounts = new uint256[](payloadsLength);
uint256 outputTokenBalanceStart = DefinitiveAssets.getBalance(expectedOutputToken);
address mGLOBAL_TRADE_GUARDIAN = GLOBAL_TRADE_GUARDIAN();
address mSEND_FEE_TO_SENDER_ALIAS = DefinitiveConstants.SEND_FEE_TO_SENDER_ALIAS;
for (uint256 i; i < payloadsLength; ) {
SwapPayload memory payload = payloads[i];
if (
payload.handler == mSEND_FEE_TO_SENDER_ALIAS &&
payload.swapToken == DefinitiveConstants.NATIVE_ASSET_ADDRESS
) {
inputTokenAmounts[i] = payload.amount;
if (_msgSender() == DefinitiveConstants.ENTRYPOINT_0_7) {
DefinitiveAssets.safeTransferETH(
IGlobalGuardian(mGLOBAL_TRADE_GUARDIAN).feeAccount(),
payload.amount
);
} else {
DefinitiveAssets.safeTransferETH(_msgSender(), payload.amount);
}
unchecked {
++i;
}
continue;
}
if (payload.handler == mSEND_FEE_TO_SENDER_ALIAS) {
inputTokenAmounts[i] = payload.amount;
DefinitiveAssets.safeTransfer(
IERC20(payload.swapToken),
IGlobalGuardian(mGLOBAL_TRADE_GUARDIAN).feeAccount(),
payload.amount
);
unchecked {
++i;
}
continue;
}
if (!IGlobalGuardian(mGLOBAL_TRADE_GUARDIAN).accountIsSwapHandler(payload.handler)) {
revert InvalidSwapHandler();
}
if (expectedOutputToken == payload.swapToken) {
revert SwapTokenIsOutputToken();
}
uint256 outputTokenBalanceBefore = DefinitiveAssets.getBalance(expectedOutputToken);
inputTokenAmounts[i] = DefinitiveAssets.getBalance(payload.swapToken);
(uint256 _outputAmount, address _outputToken) = _processSwap(payload, expectedOutputToken);
if (_outputToken != expectedOutputToken) {
revert InvalidOutputToken();
}
if (_outputAmount < payload.amountOutMin) {
revert InvalidReportedOutputAmount();
}
uint256 outputTokenBalanceAfter = DefinitiveAssets.getBalance(expectedOutputToken);
if ((outputTokenBalanceAfter - outputTokenBalanceBefore) < payload.amountOutMin) {
revert InvalidExecutedOutputAmount();
}
// Update `inputTokenAmounts` to reflect the amount of tokens actually swapped
inputTokenAmounts[i] -= DefinitiveAssets.getBalance(payload.swapToken);
unchecked {
++i;
}
}
outputTokenAmount = DefinitiveAssets.getBalance(expectedOutputToken) - outputTokenBalanceStart;
}
/* solhint-enable code-complexity */
function _processSwap(SwapPayload memory payload, address expectedOutputToken) private returns (uint256, address) {
// Override payload.amount with validated amount
payload.amount = _getValidatedPayloadAmount(payload);
bytes memory _calldata = _getEncodedSwapHandlerCalldata(payload, expectedOutputToken, payload.isDelegate);
bool _success;
bytes memory _returnBytes;
if (payload.isDelegate) {
// slither-disable-next-line all
(_success, _returnBytes) = payload.handler.delegatecall(_calldata);
} else {
uint256 msgValue = _prepareAssetsForNonDelegateHandlerCall(payload, payload.amount);
(_success, _returnBytes) = payload.handler.call{ value: msgValue }(_calldata);
}
if (!_success) {
CallUtils.revertFromReturnedData(_returnBytes);
}
return abi.decode(_returnBytes, (uint256, address));
}
function _getEncodedSwapHandlerCalldata(
SwapPayload memory payload,
address expectedOutputToken,
bool isDelegateCall
) internal pure virtual returns (bytes memory);
function _getValidatedPayloadAmount(SwapPayload memory payload) private view returns (uint256 amount) {
uint256 balance = DefinitiveAssets.getBalance(payload.swapToken);
// Ensure balance > 0
DefinitiveAssets.validateAmount(balance);
amount = payload.amount;
if (amount != 0 && balance < amount) {
revert InsufficientSwapTokenBalance();
}
// maximum available balance if amount == 0
if (amount == 0) {
return balance;
}
}
function _prepareAssetsForNonDelegateHandlerCall(
SwapPayload memory payload,
uint256 amount
) private returns (uint256 msgValue) {
if (payload.swapToken == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {
return amount;
} else {
IERC20(payload.swapToken).resetAndSafeIncreaseAllowance(payload.handler, amount);
}
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
struct SwapPayload {
address handler;
uint256 amount; // set 0 for maximum available balance
address swapToken;
uint256 amountOutMin;
bool isDelegate;
bytes handlerCalldata;
bytes signature;
}
interface ICoreSimpleSwapV1 {
event SwapHandlerUpdate(address actor, address swapHandler, bool isEnabled);
event SwapHandled(
address[] swapTokens,
uint256[] swapAmounts,
address outputToken,
uint256 outputAmount,
uint256 feeAmount
);
function swap(
SwapPayload[] memory payloads,
address outputToken,
uint256 amountOutMin,
uint256 feePct
) external payable returns (uint256 outputAmount);
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { ICoreStopGuardianV1 } from "./ICoreStopGuardianV1.sol";
import { Context } from "@openzeppelin/contracts/utils/Context.sol";
import { StopGuardianEnabled } from "../../libraries/DefinitiveErrors.sol";
abstract contract CoreStopGuardian is ICoreStopGuardianV1, Context {
/// @custom:storage-location erc7201:definitive.storage.CoreStopGuardian
struct CoreStopGuardianStorage {
bool stopGuardianEnabled;
}
// keccak256(abi.encode(uint256(keccak256("definitive.storage.CoreStopGuardian")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant CoreStopGuardianStorageLocation =
0x6e256963d8788aaa49f4ac4e7631ab95aeec255e6d6477beec524cf8dfccec00;
function _getCoreStopGuardianStorage() private pure returns (CoreStopGuardianStorage storage $) {
assembly {
$.slot := CoreStopGuardianStorageLocation
}
}
// recommended for every public/external function
modifier stopGuarded() {
if (STOP_GUARDIAN_ENABLED()) {
revert StopGuardianEnabled();
}
_;
}
function STOP_GUARDIAN_ENABLED() public view override returns (bool) {
CoreStopGuardianStorage storage $ = _getCoreStopGuardianStorage();
return $.stopGuardianEnabled;
}
function enableStopGuardian() public virtual;
function disableStopGuardian() public virtual;
function _enableStopGuardian() internal {
CoreStopGuardianStorage storage $ = _getCoreStopGuardianStorage();
$.stopGuardianEnabled = true;
emit StopGuardianUpdate(_msgSender(), true);
}
function _disableStopGuardian() internal {
CoreStopGuardianStorage storage $ = _getCoreStopGuardianStorage();
$.stopGuardianEnabled = false;
emit StopGuardianUpdate(_msgSender(), false);
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface ICoreStopGuardianV1 {
event StopGuardianUpdate(address indexed actor, bool indexed isEnabled);
function STOP_GUARDIAN_ENABLED() external view returns (bool);
function enableStopGuardian() external;
function disableStopGuardian() external;
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { ICoreStopGuardianTradingV1 } from "./ICoreStopGuardianTradingV1.sol";
import { Context } from "@openzeppelin/contracts/utils/Context.sol";
import { WithdrawalsDisabled, TradingDisabled, GlobalStopGuardianEnabled } from "../../libraries/DefinitiveErrors.sol";
import { IGlobalGuardian } from "../../../tools/GlobalGuardian/IGlobalGuardian.sol";
import { CoreGlobalGuardian } from "../../CoreGlobalGuardian/CoreGlobalGuardian.sol";
abstract contract CoreStopGuardianTrading is ICoreStopGuardianTradingV1, Context, CoreGlobalGuardian {
/// @custom:storage-location erc7201:definitive.storage.CoreStopGuardianTrading
struct CoreStopGuardianTradingStorage {
bool TRADING_GUARDIAN_TRADING_DISABLED;
bool TRADING_GUARDIAN_WITHDRAWALS_DISABLED;
}
/* solhint-disable max-line-length */
// keccak256(abi.encode(uint256(keccak256("definitive.storage.CoreStopGuardianTrading")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant CoreStopGuardianTradingStorageLocation =
0x16cbd83eaf0105ad9cb99491311ec69c270710363d0a5092df3b41a81f4a9400;
/* solhint-enable max-line-length */
function _getCoreStopGuardianTradingStorage() private pure returns (CoreStopGuardianTradingStorage storage $) {
assembly {
$.slot := CoreStopGuardianTradingStorageLocation
}
}
/// 0x49feb0371fc9661748a3d1bc01dbf9f5cdeb4102767351e1c6dd1f5d331acd6d
bytes32 internal constant GLOBAL_TRADING_HASH = keccak256("TRADING");
modifier tradingEnabled() {
CoreStopGuardianTradingStorage storage $ = _getCoreStopGuardianTradingStorage();
if (IGlobalGuardian(GLOBAL_TRADE_GUARDIAN()).functionalityIsDisabled(GLOBAL_TRADING_HASH)) {
revert GlobalStopGuardianEnabled();
}
if ($.TRADING_GUARDIAN_TRADING_DISABLED) {
revert TradingDisabled();
}
_;
}
modifier withdrawalsEnabled() {
CoreStopGuardianTradingStorage storage $ = _getCoreStopGuardianTradingStorage();
if ($.TRADING_GUARDIAN_WITHDRAWALS_DISABLED) {
revert WithdrawalsDisabled();
}
_;
}
function TRADING_GUARDIAN_TRADING_DISABLED() public view returns (bool) {
CoreStopGuardianTradingStorage storage $ = _getCoreStopGuardianTradingStorage();
return $.TRADING_GUARDIAN_TRADING_DISABLED;
}
function disableTrading() public virtual;
function enableTrading() public virtual;
function disableWithdrawals() public virtual;
function enableWithdrawals() public virtual;
function _disableTrading() internal {
CoreStopGuardianTradingStorage storage $ = _getCoreStopGuardianTradingStorage();
$.TRADING_GUARDIAN_TRADING_DISABLED = true;
emit TradingDisabledUpdate(_msgSender(), true);
}
function _enableTrading() internal {
CoreStopGuardianTradingStorage storage $ = _getCoreStopGuardianTradingStorage();
delete $.TRADING_GUARDIAN_TRADING_DISABLED;
emit TradingDisabledUpdate(_msgSender(), false);
}
function _disableWithdrawals() internal {
CoreStopGuardianTradingStorage storage $ = _getCoreStopGuardianTradingStorage();
$.TRADING_GUARDIAN_WITHDRAWALS_DISABLED = true;
emit WithdrawalsDisabledUpdate(_msgSender(), true);
}
function _enableWithdrawals() internal {
CoreStopGuardianTradingStorage storage $ = _getCoreStopGuardianTradingStorage();
delete $.TRADING_GUARDIAN_WITHDRAWALS_DISABLED;
emit WithdrawalsDisabledUpdate(_msgSender(), false);
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface ICoreStopGuardianTradingV1 {
event TradingDisabledUpdate(address indexed actor, bool indexed isEnabled);
event WithdrawalsDisabledUpdate(address indexed actor, bool indexed isEnabled);
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface ICoreSwapHandlerV1 {
event Swap(
address indexed actor,
address indexed inputToken,
uint256 inputAmount,
address indexed outputToken,
uint256 outputAmount
);
struct SwapParams {
address inputAssetAddress;
uint256 inputAmount;
address outputAssetAddress;
uint256 minOutputAmount;
bytes data;
bytes signature;
}
function swapCall(SwapParams calldata params) external payable returns (uint256 amountOut, address outputAsset);
function swapDelegate(SwapParams calldata params) external payable returns (uint256 amountOut, address outputAsset);
function swapUsingValidatedPathCall(
SwapParams calldata params
) external payable returns (uint256 amountOut, address outputAsset);
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { Context } from "@openzeppelin/contracts/utils/Context.sol";
import { ICoreTransfersNativeV1 } from "./ICoreTransfersNativeV1.sol";
import { DefinitiveAssets, IERC20 } from "../../libraries/DefinitiveAssets.sol";
import { DefinitiveConstants } from "../../libraries/DefinitiveConstants.sol";
import { InvalidInputs, InvalidMsgValue, InvalidAddress } from "../../libraries/DefinitiveErrors.sol";
abstract contract CoreTransfersNative is ICoreTransfersNativeV1, Context {
using DefinitiveAssets for IERC20;
/**
* @notice Allows contract to receive native assets
*/
receive() external payable virtual {
emit NativeTransfer(_msgSender(), msg.value);
}
function _depositNativeAndERC20(uint256[] calldata amounts, address[] calldata assetAddresses) internal virtual {
uint256 assetAddressesLength = assetAddresses.length;
if (amounts.length != assetAddressesLength) {
revert InvalidInputs();
}
bool hasNativeAsset;
uint256 nativeAssetIndex;
for (uint256 i; i < assetAddressesLength; ) {
if (assetAddresses[i] == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {
if (hasNativeAsset) {
revert InvalidAddress(); /// Do not let users specify native_asset twice
}
nativeAssetIndex = i;
hasNativeAsset = true;
unchecked {
++i;
}
continue;
}
// ERC20 tokens
IERC20(assetAddresses[i]).safeTransferFrom(_msgSender(), address(this), amounts[i]);
unchecked {
++i;
}
}
// Revert if NATIVE_ASSET_ADDRESS is not in assetAddresses and msg.value is not zero
if (!hasNativeAsset && msg.value != 0) {
revert InvalidMsgValue();
}
// Revert if depositing native asset and amount != msg.value
if (hasNativeAsset && msg.value != amounts[nativeAssetIndex]) {
revert InvalidMsgValue();
}
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface ICoreTransfersNativeV1 {
/**
* @dev Emitted when `value` native asset is received by the contract
*/
event NativeTransfer(address indexed from, uint256 value);
receive() external payable;
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { ICoreWithdrawV1 } from "./ICoreWithdrawV1.sol";
import { DefinitiveAssets, IERC20 } from "../../libraries/DefinitiveAssets.sol";
import { Context } from "@openzeppelin/contracts/utils/Context.sol";
import { DefinitiveConstants } from "../../libraries/DefinitiveConstants.sol";
abstract contract CoreWithdraw is ICoreWithdrawV1, Context {
using DefinitiveAssets for IERC20;
function supportsNativeAssets() public pure virtual returns (bool);
function withdraw(uint256 amount, address erc20Token) public virtual returns (bool);
function withdrawTo(uint256 amount, address erc20Token, address to) public virtual returns (bool);
function _withdraw(uint256 amount, address erc20Token) internal returns (bool) {
return _withdrawTo(amount, erc20Token, _msgSender());
}
function _withdrawTo(uint256 amount, address erc20Token, address to) internal returns (bool success) {
if (erc20Token == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {
DefinitiveAssets.safeTransferETH(payable(to), amount);
} else {
IERC20(erc20Token).safeTransfer(to, amount);
}
emit Withdrawal(erc20Token, amount, to);
success = true;
}
function withdrawAll(address[] calldata tokens) public virtual returns (bool);
function withdrawAllTo(address[] calldata tokens, address to) public virtual returns (bool);
function _withdrawAll(address[] calldata tokens) internal returns (bool) {
return _withdrawAllTo(tokens, _msgSender());
}
function _withdrawAllTo(address[] calldata tokens, address to) internal returns (bool success) {
uint256 tokenLength = tokens.length;
for (uint256 i; i < tokenLength; ) {
uint256 tokenBalance = DefinitiveAssets.getBalance(tokens[i]);
if (tokenBalance > 0) {
_withdrawTo(tokenBalance, tokens[i], to);
}
unchecked {
++i;
}
}
return true;
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface ICoreWithdrawV1 {
event Withdrawal(address indexed erc20Token, uint256 amount, address indexed recipient);
function withdrawAll(address[] calldata tokens) external returns (bool);
function withdrawAllTo(address[] calldata tokens, address to) external returns (bool);
function supportsNativeAssets() external pure returns (bool);
function withdraw(uint256 amount, address erc20Token) external returns (bool);
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { IERC20, SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { SafeTransferLib } from "solmate/src/utils/SafeTransferLib.sol";
import { DefinitiveConstants } from "./DefinitiveConstants.sol";
import { InsufficientBalance, InvalidAmount, InvalidAmounts, InvalidERC20Address } from "./DefinitiveErrors.sol";
/**
* @notice Contains methods used throughout the Definitive contracts
* @dev This file should only be used as an internal library.
*/
library DefinitiveAssets {
/**
* @dev Checks if an address is a valid ERC20 token
*/
modifier onlyValidERC20(address erc20Token) {
if (address(erc20Token) == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {
revert InvalidERC20Address();
}
_;
}
//////////////////////////////////////////////////
//////////////////////////////////////////////////
// ↓ ERC20 and Native Asset Methods ↓
//////////////////////////////////////////////////
/**
* @dev Gets the balance of an ERC20 token or native asset
*/
function getBalance(address assetAddress) internal view returns (uint256) {
if (assetAddress == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {
return address(this).balance;
} else if (assetAddress == address(0xdefdead)) {
return 0; // For cases we need to set an arbitrary input asset
} else {
return IERC20(assetAddress).balanceOf(address(this));
}
}
/**
* @dev internal function to validate balance is higher than a given amount for ERC20 and native assets
*/
function validateBalance(address token, uint256 amount) internal view {
if (token == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {
validateNativeBalance(amount);
} else {
validateERC20Balance(token, amount);
}
}
//////////////////////////////////////////////////
//////////////////////////////////////////////////
// ↓ Native Asset Methods ↓
//////////////////////////////////////////////////
/**
* @dev validates amount and balance, then uses SafeTransferLib to transfer native asset
*/
function safeTransferETH(address recipient, uint256 amount) internal {
if (amount > 0) {
SafeTransferLib.safeTransferETH(payable(recipient), amount);
}
}
//////////////////////////////////////////////////
//////////////////////////////////////////////////
// ↓ ERC20 Methods ↓
//////////////////////////////////////////////////
/**
* @dev Resets and increases the allowance of a spender for an ERC20 token
*/
function resetAndSafeIncreaseAllowance(
IERC20 token,
address spender,
uint256 amount
) internal onlyValidERC20(address(token)) {
return SafeERC20.forceApprove(token, spender, amount);
}
function safeTransfer(IERC20 token, address to, uint256 amount) internal onlyValidERC20(address(token)) {
if (amount > 0) {
SafeERC20.safeTransfer(token, to, amount);
}
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 amount
) internal onlyValidERC20(address(token)) {
if (amount > 0) {
//slither-disable-next-line arbitrary-send-erc20
SafeERC20.safeTransferFrom(token, from, to, amount);
}
}
//////////////////////////////////////////////////
//////////////////////////////////////////////////
// ↓ Asset Amount Helper Methods ↓
//////////////////////////////////////////////////
/**
* @dev internal function to validate that amounts contains a value greater than zero
*/
function validateAmounts(uint256[] calldata amounts) internal pure {
bool hasValidAmounts;
uint256 amountsLength = amounts.length;
for (uint256 i; i < amountsLength; ) {
if (amounts[i] > 0) {
hasValidAmounts = true;
break;
}
unchecked {
++i;
}
}
if (!hasValidAmounts) {
revert InvalidAmounts();
}
}
/**
* @dev internal function to validate if native asset balance is higher than the amount requested
*/
function validateNativeBalance(uint256 amount) internal view {
if (getBalance(DefinitiveConstants.NATIVE_ASSET_ADDRESS) < amount) {
revert InsufficientBalance();
}
}
/**
* @dev internal function to validate balance is higher than the amount requested for a token
*/
function validateERC20Balance(address token, uint256 amount) internal view onlyValidERC20(token) {
if (getBalance(token) < amount) {
revert InsufficientBalance();
}
}
function validateAmount(uint256 _amount) internal pure {
if (_amount == 0) {
revert InvalidAmount();
}
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
/**
* @notice Contains constants used throughout the Definitive contracts
* @dev This file should only be used as an internal library.
*/
library DefinitiveConstants {
/**
* @notice Maximum fee percentage
*/
uint256 internal constant MAX_FEE_PCT = 10000;
/**
* @notice Address to signify native assets
*/
address internal constant NATIVE_ASSET_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
/**
* @notice Maximum number of swaps allowed per block
*/
uint8 internal constant MAX_SWAPS_PER_BLOCK = 25;
struct Assets {
uint256[] amounts;
address[] addresses;
}
address internal constant DEFAULT_GLOBAL_TRADE_GUARDIAN = 0xE3F35754954B0B77958C72b83EC5205971463064;
address internal constant STAGING_GLOBAL_TRADE_GUARDIAN = 0xE217abF1077eC4772E4E78Ca0802046A974cba90;
address internal constant LOCAL_GLOBAL_TRADE_GUARDIAN = 0x92d4Ba061336C223f774A23f9a385B7eAdFA64A6;
address internal constant GENERIC_UUPS_PROXY_IMPLEMENTATION = 0x4aEb164998DB4eB8ab945620d4d1db59E2Ad5513;
address internal constant SEND_FEE_TO_SENDER_ALIAS = address(0xFEE);
address internal constant BLAST_NATIVE_YIELD_CONTRACT = 0x4300000000000000000000000000000000000002;
address internal constant BLAST_POINTS_ADDRESS = 0x2536FE9ab3F511540F2f9e2eC2A805005C3Dd800;
address internal constant BLAST_DEFINITIVE_OPERATOR_PROD = 0xaba36De8208002e05a757377A76D50093233Eb51;
address internal constant BLAST_DEFINITIVE_OPERATOR_STAGING = 0xaf212671793921BCb84F04cEeEd1dec1EF742DAC;
address internal constant ENTRYPOINT_0_7 = 0x0000000071727De22E5E9d8BAf0edAc6f37da032;
}// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.20; /** * @notice Contains all errors used throughout the Definitive contracts * @dev This file should only be used as an internal library. * @dev When adding a new error, add alphabetically */ error AccountMissingRole(address _account, bytes32 _role); error AccountNotAdmin(address); error AccountNotWhitelisted(address); error AddLiquidityFailed(); error AlreadyDeployed(); error AlreadyInitialized(); error BytecodeEmpty(); error DeadlineExceeded(); error DeployInitFailed(); error DeployFailed(); error BorrowFailed(uint256 errorCode); error DecollateralizeFailed(uint256 errorCode); error DepositMoreThanMax(); error EmptyBytecode(); error EnterAllFailed(); error EnforcedSafeLTV(uint256 invalidLTV); error ExceededMaxDelta(); error ExceededMaxLTV(); error ExceededShareToAssetRatioDeltaThreshold(); error ExitAllFailed(); error ExitOneCoinFailed(); error GlobalStopGuardianEnabled(); error InitializeMarketsFailed(); error InputGreaterThanStaked(); error InsufficientBalance(); error InsufficientSwapTokenBalance(); error InvalidAddress(); error InvalidChain(); error InvalidAmount(); error InvalidAmounts(); error InvalidCalldata(); error InvalidDestinationSwapper(); error InvalidERC20Address(); error InvalidExecutedOutputAmount(); error InvalidFeePercent(); error InvalidHandler(); error InvalidInputs(); error InvalidMsgValue(); error InvalidSession(); error InvalidSingleHopSwap(); error InvalidMethod(bytes4 methodSig); error InvalidMultiHopSwap(); error InvalidOutputToken(); error InvalidRedemptionRecipient(); // Used in cross-chain redeptions error InvalidReportedOutputAmount(); error InvalidRewardsClaim(); error InvalidSignature(); error InvalidSignatureLength(); error InvalidSwapHandler(); error InvalidSwapInputAmount(); error InvalidSwapOutputToken(); error InvalidSwapPath(); error InvalidSwapPayload(); error InvalidSwapToken(); error MintMoreThanMax(); error MismatchedChainId(); error NativeAssetWrapFailed(bool wrappingToNative); error NoSignatureVerificationSignerSet(); error RedeemMoreThanMax(); error RemoveLiquidityFailed(); error RepayDebtFailed(); error SafeHarborModeEnabled(); error SafeHarborRedemptionDisabled(); error SessionExpired(); error SlippageExceeded(uint256 _outputAmount, uint256 _outputAmountMin); error StakeFailed(); error SupplyFailed(); error StopGuardianEnabled(); error TradingDisabled(); error SwapDeadlineExceeded(); error SwapLimitExceeded(); error SwapTokenIsOutputToken(); error TransfersLimitExceeded(); error UnstakeFailed(); error UnauthenticatedFlashloan(); error UntrustedFlashLoanSender(address); error WithdrawMoreThanMax(); error WithdrawalsDisabled(); error ZeroShares();
// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import {
BaseNativeWrapperInitiable,
BaseNativeWrapperConfig
} from "../../base/BaseNativeWrapper/v1/BaseNativeWrapperInitiable.sol";
import { IWETH9 } from "../../vendor/interfaces/IWETH9.sol";
abstract contract WETH9NativeWrapperInitiable is BaseNativeWrapperInitiable {
function __WETH9NativeWrapperInitiable__init(BaseNativeWrapperConfig calldata config) internal onlyInitializing {
__BaseNativeWrapperInitiable__init(config);
}
function _wrap(uint256 amount) internal override {
// slither-disable-next-line arbitrary-send-eth
IWETH9(WRAPPED_NATIVE_ASSET_ADDRESS()).deposit{ value: amount }();
}
function _unwrap(uint256 amount) internal override {
IWETH9(WRAPPED_NATIVE_ASSET_ADDRESS()).withdraw(amount);
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
import { CoreAccessControlConfig } from "../../../base/BaseAccessControlInitiable.sol";
import { BaseNativeWrapperConfig } from "../../../modules/native-asset-wrappers/WETH9NativeWrapperInitiable.sol";
interface ITradingVaultImplementation {
function initialize(
BaseNativeWrapperConfig calldata baseNativeWrapperConfig,
CoreAccessControlConfig calldata coreAccessControlConfig,
address _globalTradeGuardianOverride
) external;
}// SPDX-License-Identifier: AGPLv3
pragma solidity >=0.8.20;
import { InvalidCalldata } from "../../core/libraries/DefinitiveErrors.sol";
/**
* @title Call utilities library that is absent from the OpenZeppelin
* @author Superfluid
* Forked from
* https://github.com/superfluid-finance/protocol-monorepo/blob
* /d473b4876a689efb3bbb05552040bafde364a8b2/packages/ethereum-contracts/contracts/libs/CallUtils.sol
* (Separated by 2 lines to prevent going over 120 character per line limit)
*/
library CallUtils {
/// @dev Bubble up the revert from the returnedData (supports Panic, Error & Custom Errors)
/// @notice This is needed in order to provide some human-readable revert message from a call
/// @param returnedData Response of the call
function revertFromReturnedData(bytes memory returnedData) internal pure {
if (returnedData.length < 4) {
// case 1: catch all
revert("CallUtils: target revert()"); // solhint-disable-line custom-errors
} else {
bytes4 errorSelector;
// solhint-disable-next-line no-inline-assembly
assembly {
errorSelector := mload(add(returnedData, 0x20))
}
if (errorSelector == bytes4(0x4e487b71) /* `seth sig "Panic(uint256)"` */) {
// case 2: Panic(uint256) (Defined since 0.8.0)
// solhint-disable-next-line max-line-length
// ref: https://docs.soliditylang.org/en/v0.8.0/control-structures.html#panic-via-assert-and-error-via-require)
string memory reason = "CallUtils: target panicked: 0x__";
uint256 errorCode;
// solhint-disable-next-line no-inline-assembly
assembly {
errorCode := mload(add(returnedData, 0x24))
let reasonWord := mload(add(reason, 0x20))
// [0..9] is converted to ['0'..'9']
// [0xa..0xf] is not correctly converted to ['a'..'f']
// but since panic code doesn't have those cases, we will ignore them for now!
let e1 := add(and(errorCode, 0xf), 0x30)
let e2 := shl(8, add(shr(4, and(errorCode, 0xf0)), 0x30))
reasonWord := or(
and(reasonWord, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000),
or(e2, e1)
)
mstore(add(reason, 0x20), reasonWord)
}
revert(reason);
} else {
// case 3: Error(string) (Defined at least since 0.7.0)
// case 4: Custom errors (Defined since 0.8.0)
uint256 len = returnedData.length;
// solhint-disable-next-line no-inline-assembly
assembly {
revert(add(returnedData, 32), len)
}
}
}
}
/**
* @dev Helper method to parse data and extract the method signature (selector).
*
* Copied from: https://github.com/argentlabs/argent-contracts/
* blob/master/contracts/modules/common/Utils.sol#L54-L60
*/
function parseSelector(bytes memory callData) internal pure returns (bytes4 selector) {
if (callData.length < 4) {
revert InvalidCalldata();
}
// solhint-disable-next-line no-inline-assembly
assembly {
selector := mload(add(callData, 0x20))
}
}
/**
* @dev Pad length to 32 bytes word boundary
*/
function padLength32(uint256 len) internal pure returns (uint256 paddedLen) {
return ((len / 32) + (((len & 31) > 0) /* rounding? */ ? 1 : 0)) * 32;
}
/**
* @dev Validate if the data is encoded correctly with abi.encode(bytesData)
*
* Expected ABI Encode Layout:
* | word 1 | word 2 | word 3 | the rest...
* | data length | bytesData offset | bytesData length | bytesData + padLength32 zeros |
*/
function isValidAbiEncodedBytes(bytes memory data) internal pure returns (bool) {
if (data.length < 64) return false;
uint256 bytesOffset;
uint256 bytesLen;
// bytes offset is always expected to be 32
// solhint-disable-next-line no-inline-assembly
assembly {
bytesOffset := mload(add(data, 32))
}
if (bytesOffset != 32) return false;
// solhint-disable-next-line no-inline-assembly
assembly {
bytesLen := mload(add(data, 64))
}
// the data length should be bytesData.length + 64 + padded bytes length
return data.length == 64 + padLength32(bytesLen);
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.20;
interface IGlobalGuardian {
function disable(bytes32 keyHash) external;
function enable(bytes32 keyHash) external;
function functionalityIsDisabled(bytes32 keyHash) external view returns (bool);
function accountIsPerformer(address _account) external view returns (bool);
function accountIsSwapHandler(address _account) external view returns (bool);
function isDefinitiveAdmin() external view returns (bool);
function isHandlerManager() external view returns (bool);
function feeAccount() external view returns (address payable);
function accountIsDefinitiveAdmin(address _account) external view returns (bool);
function accountIsHandlerManager(address _account) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/* solhint-disable no-inline-assembly */
/// @notice Signature verification helper that supports both ECDSA signatures from EOAs
/// and ERC1271 signatures from smart contract wallets like Argent and Gnosis safe.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/SignatureCheckerLib.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/cryptography/SignatureChecker.sol)
///
/// @dev Note:
/// - The signature checking functions use the ecrecover precompile (0x1).
/// - The `bytes memory signature` variants use the identity precompile (0x4)
/// to copy memory internally.
/// - Unlike ECDSA signatures, contract signatures are revocable.
/// - As of Solady version 0.0.134, all `bytes signature` variants accept both
/// regular 65-byte `(r, s, v)` and EIP-2098 `(r, vs)` short form signatures.
/// See: https://eips.ethereum.org/EIPS/eip-2098
/// This is for calldata efficiency on smart accounts prevalent on L2s.
///
/// WARNING! Do NOT use signatures as unique identifiers:
/// - Use a nonce in the digest to prevent replay attacks on the same contract.
/// - Use EIP-712 for the digest to prevent replay attacks across different chains and contracts.
/// EIP-712 also enables readable signing of typed data for better user safety.
/// This implementation does NOT check if a signature is non-malleable.
library SignatureCheckerLib {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* SIGNATURE CHECKING OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns whether `signature` is valid for `signer` and `hash`.
/// If `signer` is a smart contract, the signature is validated with ERC1271.
/// Otherwise, the signature is validated with `ECDSA.recover`.
function isValidSignatureNow(
address signer,
bytes32 hash,
bytes memory signature
) internal view returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
// Clean the upper 96 bits of `signer` in case they are dirty.
for {
signer := shr(96, shl(96, signer))
} signer {
} {
let m := mload(0x40)
mstore(0x00, hash)
mstore(0x40, mload(add(signature, 0x20))) // `r`.
if eq(mload(signature), 64) {
let vs := mload(add(signature, 0x40))
mstore(0x20, add(shr(255, vs), 27)) // `v`.
mstore(0x60, shr(1, shl(1, vs))) // `s`.
let t := staticcall(
gas(), // Amount of gas left for the transaction.
1, // Address of `ecrecover`.
0x00, // Start of input.
0x80, // Size of input.
0x01, // Start of output.
0x20 // Size of output.
)
// `returndatasize()` will be `0x20` upon success, and `0x00` otherwise.
if iszero(or(iszero(returndatasize()), xor(signer, mload(t)))) {
isValid := 1
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
break
}
}
if eq(mload(signature), 65) {
mstore(0x20, byte(0, mload(add(signature, 0x60)))) // `v`.
mstore(0x60, mload(add(signature, 0x40))) // `s`.
let t := staticcall(
gas(), // Amount of gas left for the transaction.
1, // Address of `ecrecover`.
0x00, // Start of input.
0x80, // Size of input.
0x01, // Start of output.
0x20 // Size of output.
)
// `returndatasize()` will be `0x20` upon success, and `0x00` otherwise.
if iszero(or(iszero(returndatasize()), xor(signer, mload(t)))) {
isValid := 1
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
break
}
}
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
let f := shl(224, 0x1626ba7e)
mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m, 0x04), hash)
let d := add(m, 0x24)
mstore(d, 0x40) // The offset of the `signature` in the calldata.
// Copy the `signature` over.
let n := add(0x20, mload(signature))
pop(staticcall(gas(), 4, signature, n, add(m, 0x44), n))
// forgefmt: disable-next-item
isValid := and(
// Whether the returndata is the magic value `0x1626ba7e` (left-aligned).
eq(mload(d), f),
// Whether the staticcall does not revert.
// This must be placed at the end of the `and` clause,
// as the arguments are evaluated from right to left.
staticcall(
gas(), // Remaining gas.
signer, // The `signer` address.
m, // Offset of calldata in memory.
add(returndatasize(), 0x44), // Length of calldata in memory.
d, // Offset of returndata.
0x20 // Length of returndata to write.
)
)
break
}
}
}
/// @dev Returns whether `signature` is valid for `signer` and `hash`.
/// If `signer` is a smart contract, the signature is validated with ERC1271.
/// Otherwise, the signature is validated with `ECDSA.recover`.
function isValidSignatureNowCalldata(
address signer,
bytes32 hash,
bytes calldata signature
) internal view returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
// Clean the upper 96 bits of `signer` in case they are dirty.
for {
signer := shr(96, shl(96, signer))
} signer {
} {
let m := mload(0x40)
mstore(0x00, hash)
if eq(signature.length, 64) {
let vs := calldataload(add(signature.offset, 0x20))
mstore(0x20, add(shr(255, vs), 27)) // `v`.
mstore(0x40, calldataload(signature.offset)) // `r`.
mstore(0x60, shr(1, shl(1, vs))) // `s`.
let t := staticcall(
gas(), // Amount of gas left for the transaction.
1, // Address of `ecrecover`.
0x00, // Start of input.
0x80, // Size of input.
0x01, // Start of output.
0x20 // Size of output.
)
// `returndatasize()` will be `0x20` upon success, and `0x00` otherwise.
if iszero(or(iszero(returndatasize()), xor(signer, mload(t)))) {
isValid := 1
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
break
}
}
if eq(signature.length, 65) {
mstore(0x20, byte(0, calldataload(add(signature.offset, 0x40)))) // `v`.
calldatacopy(0x40, signature.offset, 0x40) // `r`, `s`.
let t := staticcall(
gas(), // Amount of gas left for the transaction.
1, // Address of `ecrecover`.
0x00, // Start of input.
0x80, // Size of input.
0x01, // Start of output.
0x20 // Size of output.
)
// `returndatasize()` will be `0x20` upon success, and `0x00` otherwise.
if iszero(or(iszero(returndatasize()), xor(signer, mload(t)))) {
isValid := 1
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
break
}
}
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
let f := shl(224, 0x1626ba7e)
mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m, 0x04), hash)
let d := add(m, 0x24)
mstore(d, 0x40) // The offset of the `signature` in the calldata.
mstore(add(m, 0x44), signature.length)
// Copy the `signature` over.
calldatacopy(add(m, 0x64), signature.offset, signature.length)
// forgefmt: disable-next-item
isValid := and(
// Whether the returndata is the magic value `0x1626ba7e` (left-aligned).
eq(mload(d), f),
// Whether the staticcall does not revert.
// This must be placed at the end of the `and` clause,
// as the arguments are evaluated from right to left.
staticcall(
gas(), // Remaining gas.
signer, // The `signer` address.
m, // Offset of calldata in memory.
add(signature.length, 0x64), // Length of calldata in memory.
d, // Offset of returndata.
0x20 // Length of returndata to write.
)
)
break
}
}
}
/// @dev Returns whether the signature (`r`, `vs`) is valid for `signer` and `hash`.
/// If `signer` is a smart contract, the signature is validated with ERC1271.
/// Otherwise, the signature is validated with `ECDSA.recover`.
function isValidSignatureNow(
address signer,
bytes32 hash,
bytes32 r,
bytes32 vs
) internal view returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
// Clean the upper 96 bits of `signer` in case they are dirty.
for {
signer := shr(96, shl(96, signer))
} signer {
} {
let m := mload(0x40)
mstore(0x00, hash)
mstore(0x20, add(shr(255, vs), 27)) // `v`.
mstore(0x40, r) // `r`.
mstore(0x60, shr(1, shl(1, vs))) // `s`.
let t := staticcall(
gas(), // Amount of gas left for the transaction.
1, // Address of `ecrecover`.
0x00, // Start of input.
0x80, // Size of input.
0x01, // Start of output.
0x20 // Size of output.
)
// `returndatasize()` will be `0x20` upon success, and `0x00` otherwise.
if iszero(or(iszero(returndatasize()), xor(signer, mload(t)))) {
isValid := 1
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
break
}
let f := shl(224, 0x1626ba7e)
mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m, 0x04), hash)
let d := add(m, 0x24)
mstore(d, 0x40) // The offset of the `signature` in the calldata.
mstore(add(m, 0x44), 65) // Length of the signature.
mstore(add(m, 0x64), r) // `r`.
mstore(add(m, 0x84), mload(0x60)) // `s`.
mstore8(add(m, 0xa4), mload(0x20)) // `v`.
// forgefmt: disable-next-item
isValid := and(
// Whether the returndata is the magic value `0x1626ba7e` (left-aligned).
eq(mload(d), f),
// Whether the staticcall does not revert.
// This must be placed at the end of the `and` clause,
// as the arguments are evaluated from right to left.
staticcall(
gas(), // Remaining gas.
signer, // The `signer` address.
m, // Offset of calldata in memory.
0xa5, // Length of calldata in memory.
d, // Offset of returndata.
0x20 // Length of returndata to write.
)
)
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
break
}
}
}
/// @dev Returns whether the signature (`v`, `r`, `s`) is valid for `signer` and `hash`.
/// If `signer` is a smart contract, the signature is validated with ERC1271.
/// Otherwise, the signature is validated with `ECDSA.recover`.
function isValidSignatureNow(
address signer,
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal view returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
// Clean the upper 96 bits of `signer` in case they are dirty.
for {
signer := shr(96, shl(96, signer))
} signer {
} {
let m := mload(0x40)
mstore(0x00, hash)
mstore(0x20, and(v, 0xff)) // `v`.
mstore(0x40, r) // `r`.
mstore(0x60, s) // `s`.
let t := staticcall(
gas(), // Amount of gas left for the transaction.
1, // Address of `ecrecover`.
0x00, // Start of input.
0x80, // Size of input.
0x01, // Start of output.
0x20 // Size of output.
)
// `returndatasize()` will be `0x20` upon success, and `0x00` otherwise.
if iszero(or(iszero(returndatasize()), xor(signer, mload(t)))) {
isValid := 1
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
break
}
let f := shl(224, 0x1626ba7e)
mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m, 0x04), hash)
let d := add(m, 0x24)
mstore(d, 0x40) // The offset of the `signature` in the calldata.
mstore(add(m, 0x44), 65) // Length of the signature.
mstore(add(m, 0x64), r) // `r`.
mstore(add(m, 0x84), s) // `s`.
mstore8(add(m, 0xa4), v) // `v`.
// forgefmt: disable-next-item
isValid := and(
// Whether the returndata is the magic value `0x1626ba7e` (left-aligned).
eq(mload(d), f),
// Whether the staticcall does not revert.
// This must be placed at the end of the `and` clause,
// as the arguments are evaluated from right to left.
staticcall(
gas(), // Remaining gas.
signer, // The `signer` address.
m, // Offset of calldata in memory.
0xa5, // Length of calldata in memory.
d, // Offset of returndata.
0x20 // Length of returndata to write.
)
)
mstore(0x60, 0) // Restore the zero slot.
mstore(0x40, m) // Restore the free memory pointer.
break
}
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ERC1271 OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
// Note: These ERC1271 operations do NOT have an ECDSA fallback.
// These functions are intended to be used with the regular `isValidSignatureNow` functions
// or other signature verification functions (e.g. P256).
/// @dev Returns whether `signature` is valid for `hash` for an ERC1271 `signer` contract.
function isValidERC1271SignatureNow(
address signer,
bytes32 hash,
bytes memory signature
) internal view returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
let m := mload(0x40)
let f := shl(224, 0x1626ba7e)
mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m, 0x04), hash)
let d := add(m, 0x24)
mstore(d, 0x40) // The offset of the `signature` in the calldata.
// Copy the `signature` over.
let n := add(0x20, mload(signature))
pop(staticcall(gas(), 4, signature, n, add(m, 0x44), n))
// forgefmt: disable-next-item
isValid := and(
// Whether the returndata is the magic value `0x1626ba7e` (left-aligned).
eq(mload(d), f),
// Whether the staticcall does not revert.
// This must be placed at the end of the `and` clause,
// as the arguments are evaluated from right to left.
staticcall(
gas(), // Remaining gas.
signer, // The `signer` address.
m, // Offset of calldata in memory.
add(returndatasize(), 0x44), // Length of calldata in memory.
d, // Offset of returndata.
0x20 // Length of returndata to write.
)
)
}
}
/// @dev Returns whether `signature` is valid for `hash` for an ERC1271 `signer` contract.
function isValidERC1271SignatureNowCalldata(
address signer,
bytes32 hash,
bytes calldata signature
) internal view returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
let m := mload(0x40)
let f := shl(224, 0x1626ba7e)
mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m, 0x04), hash)
let d := add(m, 0x24)
mstore(d, 0x40) // The offset of the `signature` in the calldata.
mstore(add(m, 0x44), signature.length)
// Copy the `signature` over.
calldatacopy(add(m, 0x64), signature.offset, signature.length)
// forgefmt: disable-next-item
isValid := and(
// Whether the returndata is the magic value `0x1626ba7e` (left-aligned).
eq(mload(d), f),
// Whether the staticcall does not revert.
// This must be placed at the end of the `and` clause,
// as the arguments are evaluated from right to left.
staticcall(
gas(), // Remaining gas.
signer, // The `signer` address.
m, // Offset of calldata in memory.
add(signature.length, 0x64), // Length of calldata in memory.
d, // Offset of returndata.
0x20 // Length of returndata to write.
)
)
}
}
/// @dev Returns whether the signature (`r`, `vs`) is valid for `hash`
/// for an ERC1271 `signer` contract.
function isValidERC1271SignatureNow(
address signer,
bytes32 hash,
bytes32 r,
bytes32 vs
) internal view returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
let m := mload(0x40)
let f := shl(224, 0x1626ba7e)
mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m, 0x04), hash)
let d := add(m, 0x24)
mstore(d, 0x40) // The offset of the `signature` in the calldata.
mstore(add(m, 0x44), 65) // Length of the signature.
mstore(add(m, 0x64), r) // `r`.
mstore(add(m, 0x84), shr(1, shl(1, vs))) // `s`.
mstore8(add(m, 0xa4), add(shr(255, vs), 27)) // `v`.
// forgefmt: disable-next-item
isValid := and(
// Whether the returndata is the magic value `0x1626ba7e` (left-aligned).
eq(mload(d), f),
// Whether the staticcall does not revert.
// This must be placed at the end of the `and` clause,
// as the arguments are evaluated from right to left.
staticcall(
gas(), // Remaining gas.
signer, // The `signer` address.
m, // Offset of calldata in memory.
0xa5, // Length of calldata in memory.
d, // Offset of returndata.
0x20 // Length of returndata to write.
)
)
}
}
/// @dev Returns whether the signature (`v`, `r`, `s`) is valid for `hash`
/// for an ERC1271 `signer` contract.
function isValidERC1271SignatureNow(
address signer,
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal view returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
let m := mload(0x40)
let f := shl(224, 0x1626ba7e)
mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m, 0x04), hash)
let d := add(m, 0x24)
mstore(d, 0x40) // The offset of the `signature` in the calldata.
mstore(add(m, 0x44), 65) // Length of the signature.
mstore(add(m, 0x64), r) // `r`.
mstore(add(m, 0x84), s) // `s`.
mstore8(add(m, 0xa4), v) // `v`.
// forgefmt: disable-next-item
isValid := and(
// Whether the returndata is the magic value `0x1626ba7e` (left-aligned).
eq(mload(d), f),
// Whether the staticcall does not revert.
// This must be placed at the end of the `and` clause,
// as the arguments are evaluated from right to left.
staticcall(
gas(), // Remaining gas.
signer, // The `signer` address.
m, // Offset of calldata in memory.
0xa5, // Length of calldata in memory.
d, // Offset of returndata.
0x20 // Length of returndata to write.
)
)
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ERC6492 OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
// Note: These ERC6492 operations do NOT have an ECDSA fallback.
// These functions are intended to be used with the regular `isValidSignatureNow` functions
// or other signature verification functions (e.g. P256).
// The calldata variants are excluded for brevity.
/// @dev Returns whether `signature` is valid for `hash`.
/// If the signature is postfixed with the ERC6492 magic number, it will attempt to
/// deploy / prepare the `signer` smart account before doing a regular ERC1271 check.
/// Note: This function is NOT reentrancy safe.
function isValidERC6492SignatureNowAllowSideEffects(
address signer,
bytes32 hash,
bytes memory signature
) internal returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
function callIsValidSignature(signer_, hash_, signature_) -> _isValid {
let m_ := mload(0x40)
let f_ := shl(224, 0x1626ba7e)
mstore(m_, f_) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m_, 0x04), hash_)
let d_ := add(m_, 0x24)
mstore(d_, 0x40) // The offset of the `signature` in the calldata.
let n_ := add(0x20, mload(signature_))
pop(staticcall(gas(), 4, signature_, n_, add(m_, 0x44), n_))
_isValid := and(
eq(mload(d_), f_),
staticcall(gas(), signer_, m_, add(returndatasize(), 0x44), d_, 0x20)
)
}
for {
let n := mload(signature)
} 1 {
} {
if iszero(eq(mload(add(signature, n)), mul(0x6492, div(not(isValid), 0xffff)))) {
isValid := callIsValidSignature(signer, hash, signature)
break
}
let o := add(signature, 0x20) // Signature bytes.
let d := add(o, mload(add(o, 0x20))) // Factory calldata.
if iszero(extcodesize(signer)) {
if iszero(call(gas(), mload(o), 0, add(d, 0x20), mload(d), codesize(), 0x00)) {
break
}
}
let s := add(o, mload(add(o, 0x40))) // Inner signature.
isValid := callIsValidSignature(signer, hash, s)
if iszero(isValid) {
if call(gas(), mload(o), 0, add(d, 0x20), mload(d), codesize(), 0x00) {
isValid := callIsValidSignature(signer, hash, s)
}
}
break
}
}
}
/// @dev Returns whether `signature` is valid for `hash`.
/// If the signature is postfixed with the ERC6492 magic number, it will attempt
/// to use a reverting verifier to deploy / prepare the `signer` smart account
/// and do a `isValidSignature` check via the reverting verifier.
/// Note: This function is reentrancy safe.
/// The reverting verifier must be be deployed.
/// Otherwise, the function will return false if `signer` is not yet deployed / prepared.
/// See: https://gist.github.com/Vectorized/846a474c855eee9e441506676800a9ad
function isValidERC6492SignatureNow(
address signer,
bytes32 hash,
bytes memory signature
) internal returns (bool isValid) {
/// @solidity memory-safe-assembly
assembly {
function callIsValidSignature(signer_, hash_, signature_) -> _isValid {
let m_ := mload(0x40)
let f_ := shl(224, 0x1626ba7e)
mstore(m_, f_) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`.
mstore(add(m_, 0x04), hash_)
let d_ := add(m_, 0x24)
mstore(d_, 0x40) // The offset of the `signature` in the calldata.
let n_ := add(0x20, mload(signature_))
pop(staticcall(gas(), 4, signature_, n_, add(m_, 0x44), n_))
_isValid := and(
eq(mload(d_), f_),
staticcall(gas(), signer_, m_, add(returndatasize(), 0x44), d_, 0x20)
)
}
for {
let n := mload(signature)
} 1 {
} {
if iszero(eq(mload(add(signature, n)), mul(0x6492, div(not(isValid), 0xffff)))) {
isValid := callIsValidSignature(signer, hash, signature)
break
}
if extcodesize(signer) {
let o := add(signature, 0x20) // Signature bytes.
isValid := callIsValidSignature(signer, hash, add(o, mload(add(o, 0x40))))
if isValid {
break
}
}
let m := mload(0x40)
mstore(m, signer)
mstore(add(m, 0x20), hash)
let willBeZeroIfRevertingVerifierExists := call(
gas(), // Remaining gas.
0x00007bd799e4A591FeA53f8A8a3E9f931626Ba7e, // Reverting verifier.
0, // Send zero ETH.
m, // Start of memory.
add(returndatasize(), 0x40), // Length of calldata in memory.
staticcall(gas(), 4, add(signature, 0x20), n, add(m, 0x40), n), // 1.
0x00 // Length of returndata to write.
)
isValid := gt(returndatasize(), willBeZeroIfRevertingVerifierExists)
break
}
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* HASHING OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns an Ethereum Signed Message, created from a `hash`.
/// This produces a hash corresponding to the one signed with the
/// [`eth_sign`](https://eth.wiki/json-rpc/API#eth_sign)
/// JSON-RPC method as part of EIP-191.
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 result) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x20, hash) // Store into scratch space for keccak256.
mstore(0x00, "\x00\x00\x00\x00\x19Ethereum Signed Message:\n32") // 28 bytes.
result := keccak256(0x04, 0x3c) // `32 * 2 - (32 - 28) = 60 = 0x3c`.
}
}
/// @dev Returns an Ethereum Signed Message, created from `s`.
/// This produces a hash corresponding to the one signed with the
/// [`eth_sign`](https://eth.wiki/json-rpc/API#eth_sign)
/// JSON-RPC method as part of EIP-191.
/// Note: Supports lengths of `s` up to 999999 bytes.
function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32 result) {
/// @solidity memory-safe-assembly
assembly {
let sLength := mload(s)
let o := 0x20
mstore(o, "\x19Ethereum Signed Message:\n") // 26 bytes, zero-right-padded.
mstore(0x00, 0x00)
// Convert the `s.length` to ASCII decimal representation: `base10(s.length)`.
for {
let temp := sLength
} 1 {
} {
o := sub(o, 1)
mstore8(o, add(48, mod(temp, 10)))
temp := div(temp, 10)
if iszero(temp) {
break
}
}
let n := sub(0x3a, o) // Header length: `26 + 32 - o`.
// Throw an out-of-offset error (consumes all gas) if the header exceeds 32 bytes.
returndatacopy(returndatasize(), returndatasize(), gt(n, 0x20))
mstore(s, or(mload(0x00), mload(n))) // Temporarily store the header.
result := keccak256(add(s, sub(0x20, n)), add(n, sLength))
mstore(s, sLength) // Restore the length.
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EMPTY CALLDATA HELPERS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns an empty calldata bytes.
function emptySignature() internal pure returns (bytes calldata signature) {
/// @solidity memory-safe-assembly
assembly {
signature.length := 0
}
}
}
/* solhint-enable no-inline-assembly */// SPDX-License-Identifier: MIT
pragma solidity >=0.8.20;
interface IWETH9 {
function balanceOf(address) external view returns (uint256);
function deposit() external payable;
function withdraw(uint256 wad) external;
}// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;
/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
/*//////////////////////////////////////////////////////////////
EVENTS
//////////////////////////////////////////////////////////////*/
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(address indexed owner, address indexed spender, uint256 amount);
/*//////////////////////////////////////////////////////////////
METADATA STORAGE
//////////////////////////////////////////////////////////////*/
string public name;
string public symbol;
uint8 public immutable decimals;
/*//////////////////////////////////////////////////////////////
ERC20 STORAGE
//////////////////////////////////////////////////////////////*/
uint256 public totalSupply;
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) public allowance;
/*//////////////////////////////////////////////////////////////
EIP-2612 STORAGE
//////////////////////////////////////////////////////////////*/
uint256 internal immutable INITIAL_CHAIN_ID;
bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;
mapping(address => uint256) public nonces;
/*//////////////////////////////////////////////////////////////
CONSTRUCTOR
//////////////////////////////////////////////////////////////*/
constructor(
string memory _name,
string memory _symbol,
uint8 _decimals
) {
name = _name;
symbol = _symbol;
decimals = _decimals;
INITIAL_CHAIN_ID = block.chainid;
INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
}
/*//////////////////////////////////////////////////////////////
ERC20 LOGIC
//////////////////////////////////////////////////////////////*/
function approve(address spender, uint256 amount) public virtual returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address to, uint256 amount) public virtual returns (bool) {
balanceOf[msg.sender] -= amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(msg.sender, to, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual returns (bool) {
uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.
if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
balanceOf[from] -= amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(from, to, amount);
return true;
}
/*//////////////////////////////////////////////////////////////
EIP-2612 LOGIC
//////////////////////////////////////////////////////////////*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) public virtual {
require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");
// Unchecked because the only math done is incrementing
// the owner's nonce which cannot realistically overflow.
unchecked {
address recoveredAddress = ecrecover(
keccak256(
abi.encodePacked(
"\x19\x01",
DOMAIN_SEPARATOR(),
keccak256(
abi.encode(
keccak256(
"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
),
owner,
spender,
value,
nonces[owner]++,
deadline
)
)
)
),
v,
r,
s
);
require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");
allowance[recoveredAddress][spender] = value;
}
emit Approval(owner, spender, value);
}
function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
}
function computeDomainSeparator() internal view virtual returns (bytes32) {
return
keccak256(
abi.encode(
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
keccak256(bytes(name)),
keccak256("1"),
block.chainid,
address(this)
)
);
}
/*//////////////////////////////////////////////////////////////
INTERNAL MINT/BURN LOGIC
//////////////////////////////////////////////////////////////*/
function _mint(address to, uint256 amount) internal virtual {
totalSupply += amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(address(0), to, amount);
}
function _burn(address from, uint256 amount) internal virtual {
balanceOf[from] -= amount;
// Cannot underflow because a user's balance
// will never be larger than the total supply.
unchecked {
totalSupply -= amount;
}
emit Transfer(from, address(0), amount);
}
}// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;
import {ERC20} from "../tokens/ERC20.sol";
/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.
/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.
library SafeTransferLib {
/*//////////////////////////////////////////////////////////////
ETH OPERATIONS
//////////////////////////////////////////////////////////////*/
function safeTransferETH(address to, uint256 amount) internal {
bool success;
/// @solidity memory-safe-assembly
assembly {
// Transfer the ETH and store if it succeeded or not.
success := call(gas(), to, amount, 0, 0, 0, 0)
}
require(success, "ETH_TRANSFER_FAILED");
}
/*//////////////////////////////////////////////////////////////
ERC20 OPERATIONS
//////////////////////////////////////////////////////////////*/
function safeTransferFrom(
ERC20 token,
address from,
address to,
uint256 amount
) internal {
bool success;
/// @solidity memory-safe-assembly
assembly {
// Get a pointer to some free memory.
let freeMemoryPointer := mload(0x40)
// Write the abi-encoded calldata into memory, beginning with the function selector.
mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)
mstore(add(freeMemoryPointer, 4), from) // Append the "from" argument.
mstore(add(freeMemoryPointer, 36), to) // Append the "to" argument.
mstore(add(freeMemoryPointer, 68), amount) // Append the "amount" argument.
success := and(
// Set success to whether the call reverted, if not we check it either
// returned exactly 1 (can't just be non-zero data), or had no return data.
or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
// We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.
// We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
// Counterintuitively, this call must be positioned second to the or() call in the
// surrounding and() call or else returndatasize() will be zero during the computation.
call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)
)
}
require(success, "TRANSFER_FROM_FAILED");
}
function safeTransfer(
ERC20 token,
address to,
uint256 amount
) internal {
bool success;
/// @solidity memory-safe-assembly
assembly {
// Get a pointer to some free memory.
let freeMemoryPointer := mload(0x40)
// Write the abi-encoded calldata into memory, beginning with the function selector.
mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)
mstore(add(freeMemoryPointer, 4), to) // Append the "to" argument.
mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument.
success := and(
// Set success to whether the call reverted, if not we check it either
// returned exactly 1 (can't just be non-zero data), or had no return data.
or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
// We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
// We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
// Counterintuitively, this call must be positioned second to the or() call in the
// surrounding and() call or else returndatasize() will be zero during the computation.
call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
)
}
require(success, "TRANSFER_FAILED");
}
function safeApprove(
ERC20 token,
address to,
uint256 amount
) internal {
bool success;
/// @solidity memory-safe-assembly
assembly {
// Get a pointer to some free memory.
let freeMemoryPointer := mload(0x40)
// Write the abi-encoded calldata into memory, beginning with the function selector.
mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000)
mstore(add(freeMemoryPointer, 4), to) // Append the "to" argument.
mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument.
success := and(
// Set success to whether the call reverted, if not we check it either
// returned exactly 1 (can't just be non-zero data), or had no return data.
or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
// We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
// We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
// Counterintuitively, this call must be positioned second to the or() call in the
// surrounding and() call or else returndatasize() will be zero during the computation.
call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
)
}
require(success, "APPROVE_FAILED");
}
}{
"evmVersion": "paris",
"metadata": {
"bytecodeHash": "none"
},
"optimizer": {
"enabled": true,
"runs": 500
},
"viaIR": false,
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}Contract Security Audit
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Contract ABI
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Creation Code
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Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 34 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.