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Minimal Proxy Contract for 0xec9787956f21865cb11aaa891cfdda5a153509bc
Contract Name:
TradingVaultImplementation
Compiler Version
v0.8.18+commit.87f61d96
Optimization Enabled:
Yes with 500 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; import { BaseTransfersNativeInitiable } from "../../../base/BaseTransfersNative/v1/BaseTransfersNativeInitiable.sol"; import { BaseSimpleSwapInitiable, CoreSimpleSwapConfig } from "../../../base/BaseSimpleSwapInitiable.sol"; import { CoreAccessControlConfig } from "../../../base/BaseAccessControlInitiable.sol"; import { BaseRecoverSignerInitiable } from "../../../base/BaseRecoverSignerInitiable.sol"; import { CoreFeesConfig } from "../../../base/BaseFeesInitiable.sol"; import { CoreMulticall } from "../../../core/CoreMulticall/v1/CoreMulticall.sol"; import { WETH9NativeWrapperInitiable, BaseNativeWrapperConfig } from "../../../modules/native-asset-wrappers/WETH9NativeWrapperInitiable.sol"; import { BasePermissionedExecutionInitiable } from "../../../base/BasePermissionedExecution/BasePermissionedExecutionInitiable.sol"; import { ITradingVaultImplementation } from "./ITradingVaultImplementation.sol"; contract TradingVaultImplementation is ITradingVaultImplementation, WETH9NativeWrapperInitiable, BaseTransfersNativeInitiable, BaseSimpleSwapInitiable, BasePermissionedExecutionInitiable, 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, CoreSimpleSwapConfig calldata coreSimpleSwapConfig, CoreFeesConfig calldata coreFeesConfig ) external override initializer { __WETH9NativeWrapperInitiable__init(baseNativeWrapperConfig); __BaseAccessControlInitiable__init(coreAccessControlConfig); __BaseSimpleSwapInitiable__init(coreSimpleSwapConfig); __BaseFeesInitiable__init(coreFeesConfig); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; import "../utils/Context.sol"; import "../utils/Strings.sol"; import "../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 => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(account), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @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 override 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 override 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 override 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 `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @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 Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @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. * * _Available since v3.1._ */ 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 `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC1271 standard signature validation method for * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271]. * * _Available since v4.1._ */ 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 v4.9.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/Address.sol"; /** * @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 Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 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 functions marked with `initializer` can be nested in the context of a * constructor. * * Emits an {Initialized} event. */ modifier initializer() { bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!Address.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); _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 255 will prevent any future reinitialization. * * Emits an {Initialized} event. */ modifier reinitializer(uint8 version) { require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); _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() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @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 { require(!_initializing, "Initializable: contract is initializing"); if (_initialized != type(uint8).max) { _initialized = type(uint8).max; emit Initialized(type(uint8).max); } } /** * @dev Returns the highest version that has been initialized. See {reinitializer}. */ function _getInitializedVersion() internal view returns (uint8) { return _initialized; } /** * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}. */ function _isInitializing() internal view returns (bool) { return _initializing; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @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 ReentrancyGuard { // 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; uint256 private _status; constructor() { _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 { // On the first call to nonReentrant, _status will be _NOT_ENTERED require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; } function _nonReentrantAfter() private { // 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) { return _status == _ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.0; /** * @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. */ 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]. */ 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 v4.9.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @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 amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` 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 amount) 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 `amount` 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 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` 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 amount) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/IERC20Permit.sol"; import "../../../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 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.encodeWithSelector(token.transfer.selector, 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.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 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); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value)); } /** * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value)); } } /** * @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.encodeWithSelector(token.approve.selector, spender, value); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0)); _callOptionalReturn(token, approvalCall); } } /** * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`. * Revert on invalid signature. */ function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @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, "SafeERC20: low-level call failed"); require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } /** * @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.isContract(address(token)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @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; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../Strings.sol"; /** * @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, InvalidSignatureV // Deprecated in v4.8 } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode 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 {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] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { 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); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode 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 {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); 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] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); 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. * * _Available since v4.2._ */ function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) { // 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); } // 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); } return (signer, RecoverError.NoError); } /** * @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) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) { // 32 is the length in bytes of hash, // enforced by the type signature above /// @solidity memory-safe-assembly assembly { mstore(0x00, "\x19Ethereum Signed Message:\n32") mstore(0x1c, hash) message := keccak256(0x00, 0x3c) } } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) { /// @solidity memory-safe-assembly assembly { let ptr := mload(0x40) mstore(ptr, "\x19\x01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) data := keccak256(ptr, 0x42) } } /** * @dev Returns an Ethereum Signed Data with intended validator, created from a * `validator` and `data` according to the version 0 of EIP-191. * * See {recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x00", validator, data)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./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); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.0; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; import "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toString(int256 value) internal pure returns (string memory) { return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value)))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; 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"; abstract contract BaseAccessControlInitiable is CoreAccessControlInitiable, CoreStopGuardian, CoreStopGuardianTrading { /** * @dev * Modifiers inherited from CoreAccessControl: * onlyDefinitive * onlyClients * onlyWhitelisted * onlyClientAdmin * onlyDefinitiveAdmin * * Modifiers inherited from CoreStopGuardian: * stopGuarded */ function __BaseAccessControlInitiable__init( CoreAccessControlConfig calldata coreAccessControlConfig ) internal onlyInitializing { __CoreAccessControlInitiable__init(coreAccessControlConfig); } /** * @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 >=0.8.18; import { BaseAccessControlInitiable } from "./BaseAccessControlInitiable.sol"; import { CoreFeesInitiable, CoreFeesConfig } from "../core/CoreFees/v1/CoreFeesInitiable.sol"; import { DefinitiveAssets, IERC20 } from "../core/libraries/DefinitiveAssets.sol"; import { DefinitiveConstants } from "../core/libraries/DefinitiveConstants.sol"; import { InvalidFeePercent } from "../core/libraries/DefinitiveErrors.sol"; abstract contract BaseFeesInitiable is BaseAccessControlInitiable, CoreFeesInitiable { using DefinitiveAssets for IERC20; function __BaseFeesInitiable__init(CoreFeesConfig calldata coreFeesConfig) internal onlyInitializing { __CoreFeesInitiable__init(coreFeesConfig); } function updateFeeAccount(address payable _feeAccount) public override onlyDefinitiveAdmin { _updateFeeAccount(_feeAccount); } 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) { DefinitiveAssets.safeTransferETH(FEE_ACCOUNT, feeAmount); } else { IERC20(token).safeTransfer(FEE_ACCOUNT, feeAmount); } } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; import { BaseAccessControlInitiable } from "../../BaseAccessControlInitiable.sol"; import { IBaseNativeWrapperV1 } from "./IBaseNativeWrapperV1.sol"; import { ReentrancyGuard } from "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import { DefinitiveAssets, IERC20 } from "../../../core/libraries/DefinitiveAssets.sol"; struct BaseNativeWrapperConfig { address payable wrappedNativeAssetAddress; } abstract contract BaseNativeWrapperInitiable is IBaseNativeWrapperV1, BaseAccessControlInitiable, ReentrancyGuard { using DefinitiveAssets for IERC20; address payable public WRAPPED_NATIVE_ASSET_ADDRESS; function __BaseNativeWrapperInitiable__init( BaseNativeWrapperConfig calldata baseNativeWrapperConfig ) internal onlyInitializing { WRAPPED_NATIVE_ASSET_ADDRESS = baseNativeWrapperConfig.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 >=0.8.18; interface IBaseNativeWrapperV1 { event NativeAssetWrap(address actor, uint256 amount, bool indexed wrappingToNative); function wrap(uint256 amount) external; function unwrap(uint256 amount) external; function unwrapAll() external; }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; import { BaseAccessControlInitiable } from "../BaseAccessControlInitiable.sol"; import { CallUtils } from "../../tools/BubbleReverts/BubbleReverts.sol"; import { IBasePermissionedExecution } from "./IBasePermissionedExecution.sol"; abstract contract BasePermissionedExecutionInitiable is BaseAccessControlInitiable, IBasePermissionedExecution { function executeOperation(address target, bytes calldata payload) external payable override onlyClientAdmin { (bool _success, bytes memory _returnedData) = payable(target).call{ value: msg.value }(payload); if (!_success) { CallUtils.revertFromReturnedData(_returnedData); } } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; import { ICoreAccessControlV1 } from "../../core/CoreAccessControl/v1/ICoreAccessControlV1.sol"; interface IBasePermissionedExecution is ICoreAccessControlV1 { function executeOperation(address target, bytes calldata payload) external payable; }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; 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 >=0.8.18; import { BaseFeesInitiable } from "./BaseFeesInitiable.sol"; import { CoreSimpleSwapInitiable, CoreSimpleSwapConfig, SwapPayload } from "../core/CoreSimpleSwap/v1/CoreSimpleSwapInitiable.sol"; import { ReentrancyGuard } from "@openzeppelin/contracts/security/ReentrancyGuard.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, ReentrancyGuard { function __BaseSimpleSwapInitiable__init( CoreSimpleSwapConfig calldata coreSimpleSwapConfig ) internal onlyInitializing { __CoreSimpleSwapInitiable__init(coreSimpleSwapConfig); } function enableSwapHandlers(address[] memory swapHandlers) public override onlyHandlerManager stopGuarded { _updateSwapHandlers(swapHandlers, true); } function disableSwapHandlers(address[] memory swapHandlers) public override onlyAdmins { _updateSwapHandlers(swapHandlers, false); } function swap( SwapPayload[] memory payloads, address outputToken, uint256 amountOutMin, uint256 feePct ) external 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 >=0.8.18; import { CoreDeposit } from "../../../core/CoreDeposit/v1/CoreDeposit.sol"; import { CoreWithdraw } from "../../../core/CoreWithdraw/v1/CoreWithdraw.sol"; import { BaseAccessControlInitiable } from "../../BaseAccessControlInitiable.sol"; import { ReentrancyGuard } from "@openzeppelin/contracts/security/ReentrancyGuard.sol"; abstract contract BaseTransfersInitiable is CoreDeposit, CoreWithdraw, BaseAccessControlInitiable, ReentrancyGuard { function deposit( uint256[] calldata amounts, address[] calldata erc20Tokens ) external payable virtual override onlyClients nonReentrant stopGuarded { return _deposit(amounts, erc20Tokens); } function withdraw( uint256 amount, address erc20Token ) public virtual override onlyClients 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 onlyClients 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 >=0.8.18; 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 onlyClients 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 >=0.8.18; import { AccessControl as OZAccessControl } from "@openzeppelin/contracts/access/AccessControl.sol"; import { ICoreAccessControlV1 } from "./ICoreAccessControlV1.sol"; import { AccountNotAdmin, AccountNotWhitelisted, AccountMissingRole } from "../../libraries/DefinitiveErrors.sol"; import { Initializable } from "@openzeppelin/contracts/proxy/utils/Initializable.sol"; struct CoreAccessControlConfig { address admin; address definitiveAdmin; address[] definitive; address[] client; } abstract contract CoreAccessControlInitiable is ICoreAccessControlV1, OZAccessControl, Initializable { // roles bytes32 public constant ROLE_DEFINITIVE = keccak256("DEFINITIVE"); bytes32 public constant ROLE_DEFINITIVE_ADMIN = keccak256("DEFINITIVE_ADMIN"); bytes32 public constant ROLE_CLIENT = keccak256("CLIENT"); // keccak256("HANDLER_MANAGER") bytes32 internal constant ROLE_HANDLER_MANAGER = 0xb2b11089d67559292849a1467a255e145c674dd358427860d2c8f589cfbd7aa2; modifier onlyDefinitive() { _checkRole(ROLE_DEFINITIVE); _; } modifier onlyDefinitiveAdmin() { _checkRole(ROLE_DEFINITIVE_ADMIN); _; } modifier onlyClients() { _checkRole(ROLE_CLIENT); _; } modifier onlyClientAdmin() { _checkRole(DEFAULT_ADMIN_ROLE); _; } modifier onlyHandlerManager() { _checkRole(ROLE_HANDLER_MANAGER); _; } // default admin + definitive admin modifier onlyAdmins() { bool isAdmins = (hasRole(DEFAULT_ADMIN_ROLE, _msgSender()) || hasRole(ROLE_DEFINITIVE_ADMIN, _msgSender())); if (!isAdmins) { revert AccountNotAdmin(_msgSender()); } _; } // client + definitive modifier onlyWhitelisted() { bool isWhitelisted = (hasRole(ROLE_CLIENT, _msgSender()) || hasRole(ROLE_DEFINITIVE, _msgSender())); if (!isWhitelisted) { revert AccountNotWhitelisted(_msgSender()); } _; } function __CoreAccessControlInitiable__init(CoreAccessControlConfig calldata cfg) internal onlyInitializing { // admin _setupRole(DEFAULT_ADMIN_ROLE, cfg.admin); _setupRole(ROLE_HANDLER_MANAGER, cfg.definitiveAdmin); _setupRole(ROLE_HANDLER_MANAGER, cfg.admin); // definitive admin _setupRole(ROLE_DEFINITIVE_ADMIN, cfg.definitiveAdmin); _setRoleAdmin(ROLE_DEFINITIVE_ADMIN, ROLE_DEFINITIVE_ADMIN); // definitive uint256 cfgDefinitiveLength = cfg.definitive.length; for (uint256 i; i < cfgDefinitiveLength; ) { _setupRole(ROLE_DEFINITIVE, cfg.definitive[i]); unchecked { ++i; } } _setRoleAdmin(ROLE_DEFINITIVE, ROLE_DEFINITIVE_ADMIN); // clients - implicit role admin is DEFAULT_ADMIN_ROLE uint256 cfgClientLength = cfg.client.length; for (uint256 i; i < cfgClientLength; ) { _setupRole(ROLE_CLIENT, cfg.client[i]); unchecked { ++i; } } } function _checkRole(bytes32 role, address account) internal view virtual override { if (!hasRole(role, account)) { revert AccountMissingRole(account, role); } } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; import { IAccessControl } from "@openzeppelin/contracts/access/IAccessControl.sol"; 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: UNLICENSED pragma solidity >=0.8.18; 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 >=0.8.18; 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 >=0.8.18; import { ICoreFeesV1 } from "./ICoreFeesV1.sol"; import { Context } from "@openzeppelin/contracts/utils/Context.sol"; import { Initializable } from "@openzeppelin/contracts/proxy/utils/Initializable.sol"; struct CoreFeesConfig { address payable feeAccount; } abstract contract CoreFeesInitiable is ICoreFeesV1, Context, Initializable { address payable public FEE_ACCOUNT; function __CoreFeesInitiable__init(CoreFeesConfig calldata coreFeesConfig) internal onlyInitializing { FEE_ACCOUNT = coreFeesConfig.feeAccount; } function _updateFeeAccount(address payable feeAccount) internal { FEE_ACCOUNT = feeAccount; emit FeeAccountUpdated(_msgSender(), feeAccount); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; interface ICoreFeesV1 { event FeeAccountUpdated(address actor, address feeAccount); function FEE_ACCOUNT() external returns (address payable); function updateFeeAccount(address payable feeAccount) external; }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; 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 >=0.8.18; 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 >=0.8.18; 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/proxy/utils/Initializable.sol"; import { SwapPayload } from "./ICoreSimpleSwapV1.sol"; struct CoreSimpleSwapConfig { address[] swapHandlers; } abstract contract CoreSimpleSwapInitiable is ICoreSimpleSwapV1, Context, Initializable { using DefinitiveAssets for IERC20; /// @dev handler contract => enabled mapping(address => bool) public _swapHandlers; function __CoreSimpleSwapInitiable__init( CoreSimpleSwapConfig calldata coreSimpleSwapConfig ) internal onlyInitializing { uint256 handlersLength = coreSimpleSwapConfig.swapHandlers.length; for (uint256 i; i < handlersLength; ) { _swapHandlers[coreSimpleSwapConfig.swapHandlers[i]] = true; unchecked { ++i; } } } function enableSwapHandlers(address[] memory swapHandlers) public virtual; function disableSwapHandlers(address[] memory swapHandlers) public virtual; function _updateSwapHandlers(address[] memory swapHandlers, bool enabled) internal { uint256 swapHandlersLength = swapHandlers.length; for (uint256 i; i < swapHandlersLength; ) { _swapHandlers[swapHandlers[i]] = enabled; emit SwapHandlerUpdate(_msgSender(), swapHandlers[i], enabled); unchecked { ++i; } } } function swap( SwapPayload[] memory payloads, address outputToken, uint256 amountOutMin, uint256 feePct ) external virtual returns (uint256 outputAmount); 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); for (uint256 i; i < payloadsLength; ) { SwapPayload memory payload = payloads[i]; if (!_swapHandlers[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; } 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 controlled-delegatecall (_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(address(this), payload.handler, amount); } } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; 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 enableSwapHandlers(address[] memory swapHandlers) external; function disableSwapHandlers(address[] memory swapHandlers) external; function swap( SwapPayload[] memory payloads, address outputToken, uint256 amountOutMin, uint256 feePct ) external returns (uint256 outputAmount); }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; 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 { bool public STOP_GUARDIAN_ENABLED; // recommended for every public/external function modifier stopGuarded() { if (STOP_GUARDIAN_ENABLED) { revert StopGuardianEnabled(); } _; } function enableStopGuardian() public virtual; function disableStopGuardian() public virtual; function _enableStopGuardian() internal { STOP_GUARDIAN_ENABLED = true; emit StopGuardianUpdate(_msgSender(), true); } function _disableStopGuardian() internal { STOP_GUARDIAN_ENABLED = false; emit StopGuardianUpdate(_msgSender(), false); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; 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 >=0.8.18; 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"; abstract contract CoreStopGuardianTrading is ICoreStopGuardianTradingV1, Context { /// TODO deploy and set global guardian to CREATE3 address across all chains address public constant GLOBAL_TRADE_GUARDIAN = 0x3AB7069fCB015Bd18d0542dA9deeDce3F4374aEE; bool public TRADING_GUARDIAN_TRADING_DISABLED; bool public TRADING_GUARDIAN_WITHDRAWALS_DISABLED; /// 0x49feb0371fc9661748a3d1bc01dbf9f5cdeb4102767351e1c6dd1f5d331acd6d bytes32 internal constant GLOBAL_TRADING_HASH = keccak256("TRADING"); modifier tradingEnabled() { if (IGlobalGuardian(GLOBAL_TRADE_GUARDIAN).functionalityIsDisabled(GLOBAL_TRADING_HASH)) { revert GlobalStopGuardianEnabled(); } if (TRADING_GUARDIAN_TRADING_DISABLED) { revert TradingDisabled(); } _; } modifier withdrawalsEnabled() { if (TRADING_GUARDIAN_WITHDRAWALS_DISABLED) { revert WithdrawalsDisabled(); } _; } function disableTrading() public virtual; function enableTrading() public virtual; function disableWithdrawals() public virtual; function enableWithdrawals() public virtual; function _disableTrading() internal { TRADING_GUARDIAN_TRADING_DISABLED = true; emit TradingDisabledUpdate(_msgSender(), true); } function _enableTrading() internal { delete TRADING_GUARDIAN_TRADING_DISABLED; emit TradingDisabledUpdate(_msgSender(), false); } function _disableWithdrawals() internal { TRADING_GUARDIAN_WITHDRAWALS_DISABLED = true; emit WithdrawalsDisabledUpdate(_msgSender(), true); } function _enableWithdrawals() internal { delete TRADING_GUARDIAN_WITHDRAWALS_DISABLED; emit WithdrawalsDisabledUpdate(_msgSender(), false); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; interface ICoreStopGuardianTradingV1 { event TradingDisabledUpdate(address indexed actor, bool indexed isEnabled); event WithdrawalsDisabledUpdate(address indexed actor, bool indexed isEnabled); }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; 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 >=0.8.18; 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 } 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 {} /** * @notice This function is executed if none of the other functions * match the call data. `bytes calldata` will contain the full data sent * to the contract (equal to msg.data) and can return data in output. * The returned data will not be ABI-encoded, and will be returned without * modifications (not even padding). * https://docs.soliditylang.org/en/v0.8.17/contracts.html#fallback-function */ fallback(bytes calldata) external payable virtual returns (bytes memory) {} 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) { 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 >=0.8.18; interface ICoreTransfersNativeV1 { receive() external payable; fallback(bytes calldata) external payable returns (bytes memory); }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; 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 >=0.8.18; 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 >=0.8.18; 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 { 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 owner, address spender, uint256 amount ) internal onlyValidERC20(address(token)) { if (token.allowance(owner, spender) > 0) { SafeERC20.safeApprove(token, spender, 0); } return SafeERC20.safeIncreaseAllowance(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 >=0.8.18; /** * @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; } }
// SPDX-License-Identifier: UNLICENSED pragma solidity >=0.8.18; /** * @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 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 InvalidAmount(); error InvalidAmounts(); error InvalidCalldata(); error InvalidDestinationSwapper(); error InvalidERC20Address(); error InvalidExecutedOutputAmount(); error InvalidFeePercent(); error InvalidHandler(); error InvalidInputs(); error InvalidMsgValue(); error InvalidSingleHopSwap(); 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 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 >=0.8.18; 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 >=0.8.18; import { CoreSimpleSwapConfig } from "../../../base/BaseSimpleSwapInitiable.sol"; import { CoreAccessControlConfig } from "../../../base/BaseAccessControlInitiable.sol"; import { CoreFeesConfig } from "../../../base/BaseFeesInitiable.sol"; import { BaseNativeWrapperConfig } from "../../../modules/native-asset-wrappers/WETH9NativeWrapperInitiable.sol"; interface ITradingVaultImplementation { function initialize( BaseNativeWrapperConfig calldata baseNativeWrapperConfig, CoreAccessControlConfig calldata coreAccessControlConfig, CoreSimpleSwapConfig calldata coreSimpleSwapConfig, CoreFeesConfig calldata coreFeesConfig ) external; }
// SPDX-License-Identifier: AGPLv3 pragma solidity >=0.8.18; 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 >=0.8.18; interface IGlobalGuardian { function disable(bytes32 keyHash) external; function enable(bytes32 keyHash) external; function functionalityIsDisabled(bytes32 keyHash) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.18; 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"); } }
{ "metadata": { "bytecodeHash": "none" }, "optimizer": { "enabled": true, "runs": 500 }, "viaIR": false, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
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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.