Description:
Decentralized Finance (DeFi) protocol contract providing Factory functionality.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"@openzeppelin/contracts/interfaces/IERC1363.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)
pragma solidity >=0.6.2;
import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";
/**
* @title IERC1363
* @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
*
* Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
* after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
*/
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @param data Additional data with no specified format, sent in call to `spender`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}
"
},
"@openzeppelin/contracts/interfaces/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)
pragma solidity >=0.4.16;
import {IERC165} from "../utils/introspection/IERC165.sol";
"
},
"@openzeppelin/contracts/interfaces/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)
pragma solidity >=0.4.16;
import {IERC20} from "../token/ERC20/IERC20.sol";
"
},
"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)
pragma solidity >=0.4.16;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
},
"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC-20 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 {
/**
* @dev An operation with an ERC-20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
*/
function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
*/
function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
return _callOptionalReturnBool(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*
* NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
* only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
* set here.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
safeTransfer(token, to, value);
} else if (!token.transferAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
* has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferFromAndCallRelaxed(
IERC1363 token,
address from,
address to,
uint256 value,
bytes memory data
) internal {
if (to.code.length == 0) {
safeTransferFrom(token, from, to, value);
} else if (!token.transferFromAndCall(from, to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
* Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
* once without retrying, and relies on the returned value to be true.
*
* Reverts if the returned value is other than `true`.
*/
function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
forceApprove(token, to, value);
} else if (!token.approveAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
// bubble errors
if iszero(success) {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
returnSize := returndatasize()
returnValue := mload(0)
}
if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
bool success;
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
returnSize := returndatasize()
returnValue := mload(0)
}
return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
}
}
"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)
pragma solidity >=0.4.16;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
"
},
"contracts/interfaces/IOptimexMessageHandler.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
/**
* @title IOptimexMessageHandler
* @notice Interface for handling messages from Optimex protocol components
* @author Optimex Protocol
*/
interface IOptimexMessageHandler {
/**
* @notice Handles a message sent by the Optimex contracts
* @dev The caller may optionally attach native value (msg.value) for use by the callee
* @param message ABI-encoded calldata containing the operations to execute
*/
function handleMessage(bytes calldata message) external payable;
}
"
},
"contracts/interfaces/IOptimexProtocol.sol": {
"content": "// SPDX-License-Identifier: None
pragma solidity ^0.8.20;
import "./IProtocol.sol";
/**
* @title IOptimexProtocol
* @notice Extend the base IProtocol interface to provide role-based access control
* @author Optimex Protocol
*/
interface IOptimexProtocol is IProtocol {
/**
* @notice Checks whether the specified `account` has been granted the given `role`.
* @param role The role to check, represented as a `bytes32` value.
* @param account The address of the account to check.
* @return isGranted granted = true, otherwise false.
*/
function hasRole(bytes32 role, address account) external view returns (bool isGranted);
}
"
},
"contracts/interfaces/IProtocol.sol": {
"content": "// SPDX-License-Identifier: None
pragma solidity ^0.8.20;
/**
* @title IProtocol
* @notice Provide the base interface for interacting with the Optimex Protocol contract
* @author Optimex Protocol
*/
interface IProtocol {
/**
* @notice Returns the address of the current owner.
* @return currentOwner The current contract's owner.
*/
function owner() external view returns (address currentOwner);
/**
* @notice Returns the current address of the Protocol Fee Receiver.
* @return pFeeReceiver The protocol fee receiver's address.
*/
function pFeeAddr() external view returns (address pFeeReceiver);
}
"
},
"contracts/libraries/Bundle.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;
import "../libraries/Structs.sol";
import "../libraries/ErrorLib.sol";
/**
* @title Bundle
* @notice Library for executing multiple external calls in a single transaction
* @dev This library provides functionality to execute multiple external calls
* as a bundle within a single transaction. It ensures atomic execution
* where all calls must succeed or the entire transaction reverts.
* @author Optimex Protocol
*/
library Bundle {
/**
* @notice Executes multiple external calls atomically in a single transaction
* @dev This function processes an array of Call structs and executes them sequentially.
* If any call fails, the entire transaction reverts, ensuring atomicity.
* Each call can include ETH value transfers and arbitrary calldata.
*/
function multicall(Call[] memory bundle) internal {
require(bundle.length > 0, ErrorLib.EmptyBundle());
for (uint256 i; i < bundle.length; ++i) {
address to = bundle[i].to;
(bool success, bytes memory returnData) = to.call{value: bundle[i].value}(bundle[i].data);
require(success, ErrorLib.MultiCallFailed(to, i, returnData));
}
}
}
"
},
"contracts/libraries/ErrorLib.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
/**
* @title ErrorLib
* @notice Provides common error messages for the Optimex Lending Protocol
* @dev Designed as a library to be used by other Optimex Lending Protocol contracts
* @author Optimex Protocol
*/
library ErrorLib {
error AccessDenied(bytes32 positionId);
error AttachedValueMismatch(uint256 expected, uint256 actual);
error AuthorizerNotGranted();
error DeadlineExpired();
error EmptyBundle();
error ExceedMaxAcceptanceFee(uint256 maxAcceptedFee, uint256 fee);
error InvalidAmount();
error InvalidAuthorizerSig();
error InvalidBorrowShares();
error InvalidMarketId();
error InvalidOwner(address account);
error InvalidPosition(bytes32 positionId);
error InvalidValidator(address validator);
error MultiCallFailed(address to, uint256 index, bytes returnedData);
error PositionAlreadyExists();
error RecipientNotPermitted(address recipient);
error StateAlreadySet();
error TokenMismatch(address expected, address actual);
error Unauthorized(address sender);
error Uncollateralized(bytes32 positionId);
error ZeroAddress();
error ZeroAmount();
}
"
},
"contracts/libraries/Structs.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
/// @notice Enum that defines the access permission of an Optimex position
/// @param FULL_ACCESS For this state, the position can perform all position-related operations
/// @param EXIT_ONLY For this state, only following operations are allowed:
/// - Repaying assets
/// - Withdrawing collateral
/// - Claiming credits
/// @param REPAY_WITHDRAW For this state, only the following operations are allowed:
/// - Repaying assets
/// - Withdrawing collateral
enum Permission {
FULL_ACCESS,
EXIT_ONLY,
REPAY_WITHDRAW
}
/// @notice Struct to store the result of a payment operation: liquidation or repayment
/// @param seizedCollateral The amount of collateral being seized from the position
/// @param remainCollateral The portion of collateral that remains after seizure
/// @param repaidDebt The amount of debt repaid to Morpho
/// @param surplus The left-over amount being returned to the AccountPositionManager
/// @param profit The amount being taken as profit
///
/// @dev
/// - On liquidation, the `seizedCollateral` is calculated by Morpho based on the `borrowShares`
/// - On repayment, the `seizedCollateral` is set to `0`
///
/// @dev
/// - On liquidation, the `remainCollateral` is the portion of collateral that remains after seizure
/// - On repayment, the `remainCollateral` is set to `totalCollateral`.
/// The AccountPositionManager can then withdraw the full amount of collateral
/// and transfer it back to the ERC-20 contract for removal from circulation
struct PaymentResult {
uint256 seizedCollateral;
uint256 remainCollateral;
uint256 repaidDebt;
uint256 surplus;
uint256 profit;
}
/// @notice Contains access control information for an Optimex position.
/// @param marketId The identifier of the market
/// @param positionAccount The dedicated account that represents a position in Morpho
/// @param owner The address of the position owner authorized to perform actions.
/// @param validator The address of the validator allowed to perform special actions.
struct MarketAccess {
bytes32 marketId;
address positionAccount;
address owner;
address validator;
}
/// @notice Struct containing the data needed to borrow assets from a position
/// @param borrowAmount The amount of assets to borrow
/// @param fee The fee charged for this request
/// @param recipient The address to receive the borrowed assets
/// @param deadline The timestamp after which the signature is no longer valid
struct BorrowRequest {
uint256 borrowAmount;
uint256 fee;
address recipient;
uint64 deadline;
}
/// Authored: https://github.com/morpho-org/bundler3/blob/main/src/interfaces/IBundler3.sol
/// @notice Struct containing all the data needed to make a call.
/// @notice The call target is `to`, the calldata is `data` with value `value`.
/// @notice If `skipRevert` is true, other planned calls will continue executing even if this call reverts. `skipRevert`
/// will ignore all reverts. Use with caution.
/// @notice If the call will trigger a reenter, the callbackHash should be set to the hash of the reenter bundle data.
struct Call {
address to;
bytes data;
uint256 value;
bool skipRevert;
bytes32 callbackHash;
}
"
},
"contracts/protocol/OptimexAdminGuard.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
import "../libraries/ErrorLib.sol";
import "../interfaces/IOptimexProtocol.sol";
/**
* @title OptimexAdminGuard
* @notice Access control contract that provides admin-only functionality.
* @dev This contract serves as a base contract for other Optimex contracts that need admin access control.
* @author Optimex Protocol
*/
contract OptimexAdminGuard {
/// @dev Address of the OptimexProtocol contract
IOptimexProtocol internal _protocol;
/**
* @notice Emitted when the OptimexProtocol address is updated.
* @param operator The address of the caller (owner) who performed the update.
* @param newProtocol The new OptimexProtocol contract address.
* @dev Related function: { setProtocol }
*/
event ProtocolUpdated(address indexed operator, address indexed newProtocol);
modifier onlyAdmin() {
address sender = msg.sender;
if (sender != _getProtocol().owner()) {
revert ErrorLib.Unauthorized(sender);
}
_;
}
constructor(IOptimexProtocol protocol) {
_protocol = protocol;
}
/**
* @notice Returns the current address of the OptimexProtocol contract.
* @dev Can be called by anyone.
* @return protocol The OptimexProtocol address.
*/
function getProtocol() external view returns (address protocol) {
protocol = address(_getProtocol());
}
/**
* @notice Updates the OptimexProtocol contract to a new address.
* @dev Caller must be the current Admin of the OptimexProtocol contract.
* @param newProtocol The new OptimexProtocol contract address.
*/
function setProtocol(address newProtocol) external onlyAdmin {
if (newProtocol == address(0)) revert ErrorLib.ZeroAddress();
_protocol = IOptimexProtocol(newProtocol);
emit ProtocolUpdated(msg.sender, newProtocol);
}
function _isAuthorized(bytes32 role, address account) internal view virtual returns (bool) {
return _getProtocol().hasRole(role, account);
}
function _getProtocol() internal view virtual returns (IOptimexProtocol) {
return _protocol;
}
}
"
},
"contracts/protocol/OptimexDomain.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
/**
* @title Optimex Domain Information
* @notice Provides a standardized way to expose the contract's name and version.
* @dev Designed as an abstract base contract to be inherited by other Optimex contracts.
* @author Optimex Protocol
*/
abstract contract OptimexDomain {
/// @notice The name identifier for the Optimex contract domain.
string internal _name;
/// @notice The version identifier for the Optimex contract domain.
string internal _version;
constructor(string memory name, string memory version) {
_name = name;
_version = version;
}
/**
* @notice Returns the domain information of the Optimex contract.
* @dev Can be called by anyone
* @return name The name of the contract.
* @return version The current version of the contract.
*/
function optimexDomain() external view virtual returns (string memory name, string memory version) {
name = _name;
version = _version;
}
}
"
},
"contracts/protocol/Rescuable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "../protocol/OptimexAdminGuard.sol";
import "../libraries/ErrorLib.sol";
/**
* @title Rescuable
* @notice Emergency rescue functionality for ERC-20 tokens mistakenly sent to the contract
* @dev This contract allows the protocol admin to rescue ERC-20 tokens that may have been
* accidentally sent to the contract. Rescued tokens are automatically transferred to
* the protocol's fee address.
* @author Optimex Protocol
*/
contract Rescuable is OptimexAdminGuard {
using SafeERC20 for IERC20;
/**
* @notice Emitted when tokens are manually rescued by the Admin.
* @param operator The Admin's address that performed the rescue operation.
* @param token The token that is being rescued.
* @param recipient The address receiving the rescued tokens (typically the protocol fee receiver).
* @param amount The amount of tokens rescued.
* @dev Related function: { rescue }
*/
event Rescued(address indexed operator, address indexed token, address indexed recipient, uint256 amount);
constructor(IOptimexProtocol protocol) OptimexAdminGuard(protocol) {}
/**
* @notice Rescue ERC-20 tokens that are mistakenly sent or locked in the contract.
* @dev Caller must be the current Admin of the OptimexProtocol contract.
* @param token The address of the ERC-20 token to be rescued.
* @param amount The amount of tokens to transfer.
*/
function rescue(address token, uint256 amount) external onlyAdmin {
address recipient = _getProtocol().pFeeAddr();
if (recipient == address(0)) revert ErrorLib.ZeroAddress();
IERC20(token).safeTransfer(recipient, amount);
emit Rescued(msg.sender, token, recipient, amount);
}
}
"
},
"contracts/utils/OptimexConnector.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "../protocol/OptimexDomain.sol";
import "../protocol/Rescuable.sol";
import "../libraries/Structs.sol";
import "../libraries/Bundle.sol";
import "../libraries/ErrorLib.sol";
import "../interfaces/IOptimexMessageHandler.sol";
/**
* @title OptimexConnector
* @notice Secure message handler and multicall executor for the Optimex protocol
* @dev This contract serves as a critical infrastructure component that enables authorized
* Optimex components to execute multiple operations atomically through a single transaction.
* It implements strict role-based access control and ensures all operations either succeed
* completely or fail completely, maintaining protocol consistency.
* @dev Only addresses with the OPTIMEX_CALLER_ROLE can trigger message execution, preventing
* unauthorized access while enabling complex multi-step operations.
* @author Optimex Protocol
*/
contract OptimexConnector is OptimexDomain, Rescuable, IOptimexMessageHandler {
using SafeERC20 for IERC20;
/// @dev Role identifier for authorized Optimex components that can trigger message execution
/// @dev keccak256("OPTIMEX_CALLER")
bytes32 internal constant _OPTIMEX_CALLER_ROLE = 0xe8248995e23255e87f8275766433c1d93780aeebe6d808ddc2d4cd7148738329;
constructor(address protocol, string memory name, string memory version)
OptimexDomain(name, version)
Rescuable(IOptimexProtocol(protocol))
{}
/**
* @notice Handles a message containing multiple operations sent by authorized Optimex components
* @dev The function implements strict access control, ensuring only addresses with the
* OPTIMEX_CALLER_ROLE can trigger message execution. This prevents unauthorized
* access to the multicall functionality.
* @dev All calls are executed atomically - if any call fails, the entire transaction reverts.
* This ensures data consistency and prevents partial execution states.
* @param message ABI-encoded array of Call structs containing the operations to execute
*/
function handleMessage(bytes calldata message) external payable {
address sender = msg.sender;
require(_isAuthorized(_OPTIMEX_CALLER_ROLE, sender), ErrorLib.Unauthorized(sender));
Call[] memory calls = abi.decode(message, (Call[]));
Bundle.multicall(calls);
}
}
"
}
},
"settings": {
"viaIR": true,
"optimizer": {
"enabled": true,
"runs": 200
},
"evmVersion": "cancun",
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}
}}
Submitted on: 2025-10-06 11:52:27
Comments
Log in to comment.
No comments yet.