// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/**
* @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;
}
}
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface IERC20 {
/**
* @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 `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(
address recipient,
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 `sender` to `recipient` 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 sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @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 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
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 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://diligence.consensys.net/posts/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/v0.5.11/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 functionCall(target, data, "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"
);
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(
data
);
return verifyCallResult(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) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(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) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason 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 {
// 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
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
/**
* @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;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(
token,
abi.encodeWithSelector(token.transfer.selector, to, value)
);
}
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)
);
}
function safeIncreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(
token,
abi.encodeWithSelector(
token.approve.selector,
spender,
newAllowance
)
);
}
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"
);
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(
token,
abi.encodeWithSelector(
token.approve.selector,
spender,
newAllowance
)
);
}
}
/**
* @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"
);
if (returndata.length > 0) {
// Return data is optional
require(
abi.decode(returndata, (bool)),
"SafeERC20: ERC20 operation did not succeed"
);
}
}
}
library MovrErrors {
string internal constant ADDRESS_0_PROVIDED = "ADDRESS_0_PROVIDED";
string internal constant EMPTY_INPUT = "EMPTY_INPUT";
string internal constant LENGTH_MISMATCH = "LENGTH_MISMATCH";
string internal constant INVALID_VALUE = "INVALID_VALUE";
string internal constant INVALID_AMT = "INVALID_AMT";
string internal constant IMPL_NOT_FOUND = "IMPL_NOT_FOUND";
string internal constant ROUTE_NOT_FOUND = "ROUTE_NOT_FOUND";
string internal constant IMPL_NOT_ALLOWED = "IMPL_NOT_ALLOWED";
string internal constant ROUTE_NOT_ALLOWED = "ROUTE_NOT_ALLOWED";
string internal constant INVALID_CHAIN_DATA = "INVALID_CHAIN_DATA";
string internal constant CHAIN_NOT_SUPPORTED = "CHAIN_NOT_SUPPORTED";
string internal constant TOKEN_NOT_SUPPORTED = "TOKEN_NOT_SUPPORTED";
string internal constant NOT_IMPLEMENTED = "NOT_IMPLEMENTED";
string internal constant INVALID_SENDER = "INVALID_SENDER";
string internal constant INVALID_BRIDGE_ID = "INVALID_BRIDGE_ID";
string internal constant MIDDLEWARE_ACTION_FAILED =
"MIDDLEWARE_ACTION_FAILED";
string internal constant VALUE_SHOULD_BE_ZERO = "VALUE_SHOULD_BE_ZERO";
string internal constant VALUE_SHOULD_NOT_BE_ZERO =
"VALUE_SHOULD_NOT_BE_ZERO";
string internal constant VALUE_NOT_ENOUGH = "VALUE_NOT_ENOUGH";
string internal constant VALUE_NOT_EQUAL_TO_AMOUNT =
"VALUE_NOT_EQUAL_TO_AMOUNT";
}
// import "./helpers/errors.sol";
/**
@title Abstract Implementation Contract.
@notice All Bridge Implementation will follow this interface.
*/
abstract contract ImplBase is Ownable {
using SafeERC20 for IERC20;
address public registry;
address public constant NATIVE_TOKEN_ADDRESS =
address(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);
event UpdateRegistryAddress(address indexed registryAddress);
constructor(address _registry) Ownable() {
registry = _registry;
}
modifier onlyRegistry() {
require(msg.sender == registry, MovrErrors.INVALID_SENDER);
_;
}
function updateRegistryAddress(address newRegistry) external onlyOwner {
registry = newRegistry;
emit UpdateRegistryAddress(newRegistry);
}
function rescueFunds(
address token,
address userAddress,
uint256 amount
) external onlyOwner {
IERC20(token).safeTransfer(userAddress, amount);
}
function outboundTransferTo(
uint256 _amount,
address _from,
address _receiverAddress,
address _token,
uint256 _toChainId,
bytes memory _extraData
) external payable virtual;
}
/**
// @title Abstract Contract for middleware services.
// @notice All middleware services will follow this interface.
*/
abstract contract MiddlewareImplBase is Ownable {
using SafeERC20 for IERC20;
address public immutable registry;
/// @notice only registry address is required.
constructor(address _registry) Ownable() {
registry = _registry;
}
modifier onlyRegistry() {
require(msg.sender == registry, MovrErrors.INVALID_SENDER);
_;
}
function performAction(
address from,
address fromToken,
uint256 amount,
address receiverAddress,
bytes memory data
) external payable virtual returns (uint256);
function rescueFunds(
address token,
address userAddress,
uint256 amount
) external onlyOwner {
IERC20(token).safeTransfer(userAddress, amount);
}
}
/**
// @title Movr Regisrtry Contract.
// @notice This is the main contract that is called using fund movr.
// This contains all the bridge and middleware ids.
// RouteIds signify which bridge to be used.
// Middleware Id signifies which aggregator will be used for swapping if required.
*/
contract Registry is Ownable {
using SafeERC20 for IERC20;
address private constant NATIVE_TOKEN_ADDRESS =
address(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);
///@notice RouteData stores information for a route
struct RouteData {
address route;
bool isEnabled;
bool isMiddleware;
}
RouteData[] public routes;
modifier onlyExistingRoute(uint256 _routeId) {
require(
routes[_routeId].route != address(0),
MovrErrors.ROUTE_NOT_FOUND
);
_;
}
constructor(address _owner) Ownable() {
// first route is for direct bridging
routes.push(RouteData(NATIVE_TOKEN_ADDRESS, true, true));
transferOwnership(_owner);
}
// Function to receive Ether. msg.data must be empty
receive() external payable {}
//
// Events
//
event NewRouteAdded(
uint256 routeID,
address route,
bool isEnabled,
bool isMiddleware
);
event RouteDisabled(uint256 routeID);
event ExecutionCompleted(
uint256 middlewareID,
uint256 bridgeID,
uint256 inputAmount
);
/**
// @param id route id of middleware to be used
// @param optionalNativeAmount is the amount of native asset that the route requires
// @param inputToken token address which will be swapped to
// BridgeRequest inputToken
// @param data to be used by middleware
*/
struct MiddlewareRequest {
uint256 id;
uint256 optionalNativeAmount;
address inputToken;
bytes data;
}
/**
// @param id route id of bridge to be used
// @param optionalNativeAmount optinal native amount, to be used
// when bridge needs native token along with ERC20
// @param inputToken token addresss which will be bridged
// @param data bridgeData to be used by bridge
*/
struct BridgeRequest {
uint256 id;
uint256 optionalNativeAmount;
address inputToken;
bytes data;
}
/**
// @param receiverAddress Recipient address to recieve funds on destination chain
// @param toChainId Destination ChainId
// @param amount amount to be swapped if middlewareId is 0 it will be
// the amount to be bridged
// @param middlewareRequest middleware Requestdata
// @param bridgeRequest bridge request data
*/
struct UserRequest {
address receiverAddress;
uint256 toChainId;
uint256 amount;
MiddlewareRequest middlewareRequest;
BridgeRequest bridgeRequest;
}
/**
// @notice function responsible for calling the respective implementation
// depending on the bridge to be used
// If the middlewareId is 0 then no swap is required,
// we can directly bridge the source token to wherever required,
// else, we first call the Swap Impl Base for swapping to the required
// token and then start the bridging
// @dev It is required for isMiddleWare to be true for route 0 as it is a special case
// @param _userRequest calldata follows the input data struct
*/
function outboundTransferTo(
UserRequest calldata _userRequest
) external payable {
require(_userRequest.amount != 0, MovrErrors.INVALID_AMT);
// make sure bridge ID is not 0
require(
_userRequest.bridgeRequest.id != 0,
MovrErrors.INVALID_BRIDGE_ID
);
// make sure bridge input is provided
require(
_userRequest.bridgeRequest.inputToken != address(0),
MovrErrors.ADDRESS_0_PROVIDED
);
// load middleware info and validate
RouteData memory middlewareInfo = routes[
_userRequest.middlewareRequest.id
];
require(
middlewareInfo.route != address(0) &&
middlewareInfo.isEnabled &&
middlewareInfo.isMiddleware,
MovrErrors.ROUTE_NOT_ALLOWED
);
// load bridge info and validate
RouteData memory bridgeInfo = routes[_userRequest.bridgeRequest.id];
require(
bridgeInfo.route != address(0) &&
bridgeInfo.isEnabled &&
!bridgeInfo.isMiddleware,
MovrErrors.ROUTE_NOT_ALLOWED
);
emit ExecutionCompleted(
_userRequest.middlewareRequest.id,
_userRequest.bridgeRequest.id,
_userRequest.amount
);
// if middlewareID is 0 it means we dont want to perform a action before bridging
// and directly want to move for bridging
if (_userRequest.middlewareRequest.id == 0) {
// perform the bridging
ImplBase(bridgeInfo.route).outboundTransferTo{value: msg.value}(
_userRequest.amount,
msg.sender,
_userRequest.receiverAddress,
_userRequest.bridgeRequest.inputToken,
_userRequest.toChainId,
_userRequest.bridgeRequest.data
);
return;
}
// we first perform an action using the middleware
// we determine if the input asset is a native asset, if yes we pass
// the amount as value, else we pass the optionalNativeAmount
uint256 _amountOut = MiddlewareImplBase(middlewareInfo.route)
.performAction{
value: _userRequest.middlewareRequest.inputToken ==
NATIVE_TOKEN_ADDRESS
? _userRequest.amount +
_userRequest.middlewareRequest.optionalNativeAmount
: _userRequest.middlewareRequest.optionalNativeAmount
}(
msg.sender,
_userRequest.middlewareRequest.inputToken,
_userRequest.amount,
address(this),
_userRequest.middlewareRequest.data
);
// we mutate this variable if the input asset to bridge Impl is NATIVE
uint256 nativeInput = _userRequest.bridgeRequest.optionalNativeAmount;
// if the input asset is ERC20, we need to grant the bridge implementation approval
if (_userRequest.bridgeRequest.inputToken != NATIVE_TOKEN_ADDRESS) {
IERC20(_userRequest.bridgeRequest.inputToken).safeIncreaseAllowance(
bridgeInfo.route,
_amountOut
);
} else {
// if the input asset is native we need to set it as value
nativeInput =
_amountOut +
_userRequest.bridgeRequest.optionalNativeAmount;
}
// send off to bridge
ImplBase(bridgeInfo.route).outboundTransferTo{value: nativeInput}(
_amountOut,
address(this),
_userRequest.receiverAddress,
_userRequest.bridgeRequest.inputToken,
_userRequest.toChainId,
_userRequest.bridgeRequest.data
);
}
//
// Route management functions
//
/// @notice add routes to the registry.
function addRoutes(
RouteData[] calldata _routes
) external onlyOwner returns (uint256[] memory) {
require(_routes.length != 0, MovrErrors.EMPTY_INPUT);
uint256[] memory _routeIds = new uint256[](_routes.length);
for (uint256 i = 0; i < _routes.length; i++) {
require(
_routes[i].route != address(0),
MovrErrors.ADDRESS_0_PROVIDED
);
routes.push(_routes[i]);
_routeIds[i] = routes.length - 1;
emit NewRouteAdded(
i,
_routes[i].route,
_routes[i].isEnabled,
_routes[i].isMiddleware
);
}
return _routeIds;
}
///@notice disables the route if required.
function disableRoute(
uint256 _routeId
) external onlyOwner onlyExistingRoute(_routeId) {
routes[_routeId].isEnabled = false;
emit RouteDisabled(_routeId);
}
function rescueFunds(
address _token,
address _receiverAddress,
uint256 _amount
) external onlyOwner {
IERC20(_token).safeTransfer(_receiverAddress, _amount);
}
}
{
"compilationTarget": {
"Registry.sol": "Registry"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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