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// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

import {Ownable, Ownable2Step} from '@openzeppelin/contracts/access/Ownable2Step.sol';
import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import {SafeERC20} from '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';
import {Address} from '@openzeppelin/contracts/utils/Address.sol';
import {ECDSA} from '@openzeppelin/contracts/utils/cryptography/ECDSA.sol';
import {MessageHashUtils} from '@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol';

import {TypeCasts} from 'contracts/common/TypeCasts.sol';

import {IEverclear} from 'interfaces/common/IEverclear.sol';

import {IPermit2} from 'interfaces/common/IPermit2.sol';
import {IEverclearSpoke} from 'interfaces/intent/IEverclearSpoke.sol';
import {IEverclearSpokeV3} from 'interfaces/intent/IEverclearSpokeV3.sol';
import {IFeeAdapter} from 'interfaces/intent/IFeeAdapter.sol';

contract FeeAdapter is IFeeAdapter, Ownable2Step {
  ////////////////////
  //// Libraries /////
  ////////////////////
  using SafeERC20 for IERC20;
  using TypeCasts for address;
  using TypeCasts for bytes32;

  ////////////////////
  ///// Storage //////
  ////////////////////

  /// @inheritdoc IFeeAdapter
  IEverclearSpokeV3 public immutable spoke;

  // @inheritdoc IFeeAdapter
  address public immutable xerc20Module;

  /// @inheritdoc IFeeAdapter
  address public feeRecipient;

  /// @inheritdoc IFeeAdapter
  address public feeSigner;

  /// @inheritdoc IFeeAdapter
  IPermit2 public constant PERMIT2 = IPermit2(0x000000000022D473030F116dDEE9F6B43aC78BA3);

  ////////////////////
  /// Constructor ////
  ////////////////////
  constructor(
    address _spoke,
    address _feeRecipient,
    address _feeSigner,
    address _xerc20Module,
    address _owner
  ) Ownable(_owner) {
    spoke = IEverclearSpokeV3(_spoke);
    xerc20Module = _xerc20Module;
    _updateFeeRecipient(_feeRecipient);
    _updateFeeSigner(_feeSigner);
  }

  ////////////////////
  ////// Admin ///////
  ////////////////////

  /// @inheritdoc IFeeAdapter
  function updateFeeRecipient(
    address _feeRecipient
  ) external onlyOwner {
    _updateFeeRecipient(_feeRecipient);
  }

  /// @inheritdoc IFeeAdapter
  function updateFeeSigner(
    address _feeSigner
  ) external onlyOwner {
    _updateFeeSigner(_feeSigner);
  }

  /// @inheritdoc IFeeAdapter
  function returnUnsupportedIntent(address _asset, uint256 _amount, address _recipient) external onlyOwner {
    spoke.withdraw(_asset, _amount);
    _pushTokens(_recipient, _asset, _amount);
  }

  ////////////////////
  ///// External /////
  ////////////////////

  /// @inheritdoc IFeeAdapter
  function newIntent(
    uint32[] memory _destinations,
    bytes32 _receiver,
    address _inputAsset,
    bytes32 _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    IFeeAdapter.FeeParams calldata _feeParams
  ) external payable returns (bytes32 _intentId, IEverclear.Intent memory _intent) {
    // Transfer from caller
    _pullTokens(msg.sender, _inputAsset, _amount + _feeParams.fee);

    // Create intent
    (_intentId, _intent) =
      _newIntent(_destinations, _receiver, _inputAsset, _outputAsset, _amount, _maxFee, _ttl, _data, _feeParams);
  }

  /// @inheritdoc IFeeAdapter
  function newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    IFeeAdapter.FeeParams calldata _feeParams
  ) external payable returns (bytes32 _intentId, IEverclear.Intent memory _intent) {
    // Transfer from caller
    _pullTokens(msg.sender, _inputAsset, _amount + _feeParams.fee);

    // Create intent
    (_intentId, _intent) =
      _newIntent(_destinations, _receiver, _inputAsset, _outputAsset, _amount, _maxFee, _ttl, _data, _feeParams);
  }

  /// @inheritdoc IFeeAdapter
  function newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    IEverclearSpoke.Permit2Params calldata _permit2Params,
    IFeeAdapter.FeeParams calldata _feeParams
  ) external payable returns (bytes32 _intentId, IEverclear.Intent memory _intent) {
    // Transfer from caller using permit2
    _pullWithPermit2(_inputAsset, _amount + _feeParams.fee, _permit2Params);

    // Call internal helper to create intent
    (_intentId, _intent) =
      _newIntent(_destinations, _receiver, _inputAsset, _outputAsset, _amount, _maxFee, _ttl, _data, _feeParams);
  }

  /// @inheritdoc IFeeAdapter
  function newOrderSplitEvenly(
    uint32 _numIntents,
    uint256 _fee,
    uint256 _deadline,
    bytes calldata _sig,
    OrderParameters memory _params
  ) external payable returns (bytes32 _orderId, bytes32[] memory _intentIds) {
    // Transfer once from the user
    _pullTokens(msg.sender, _params.inputAsset, _params.amount + _fee);

    // Send fees to recipient
    _handleFees(_fee, msg.value, _params.inputAsset, _deadline, _sig);

    // Approve the spoke contract if needed
    _approveSpokeIfNeeded(_params.inputAsset, _params.amount);

    // Create `_numIntents` intents with the same params and `_amount` divided
    // equally across all created intents.
    uint256 _toSend = _params.amount / _numIntents;

    // Initialising array length
    _intentIds = new bytes32[](_numIntents);

    for (uint256 i; i < _numIntents - 1; i++) {
      // Create new intent
      (bytes32 _intentId,) = spoke.newIntent(
        _params.destinations,
        _params.receiver,
        _params.inputAsset,
        _params.outputAsset,
        _toSend,
        _params.maxFee,
        _params.ttl,
        _params.data
      );
      _intentIds[i] = _intentId;
    }

    // Create a final intent here with the remainder of balance
    _toSend = _toSend * (_numIntents - 1);
    (bytes32 _intentId,) = spoke.newIntent(
      _params.destinations,
      _params.receiver,
      _params.inputAsset,
      _params.outputAsset,
      _params.amount - _toSend, // handles remainder gracefully
      _params.maxFee,
      _params.ttl,
      _params.data
    );

    // Add to array
    _intentIds[_numIntents - 1] = _intentId;

    // Calculate order id
    _orderId = keccak256(abi.encode(_intentIds));

    // Emit order information event
    emit OrderCreated(_orderId, msg.sender.toBytes32(), _intentIds, _fee, msg.value);
  }

  /// @inheritdoc IFeeAdapter
  function newOrder(
    uint256 _fee,
    uint256 _deadline,
    bytes calldata _sig,
    OrderParameters[] memory _params
  ) external payable returns (bytes32 _orderId, bytes32[] memory _intentIds) {
    uint256 _numIntents = _params.length;

    {
      // Get the asset
      address _asset = _params[0].inputAsset;

      // Get the sum of the order amounts
      uint256 _orderSum;
      for (uint256 i; i < _numIntents; i++) {
        _orderSum += _params[i].amount;
        if (_params[i].inputAsset != _asset) {
          revert MultipleOrderAssets();
        }
      }

      // Transfer once from the user
      _pullTokens(msg.sender, _asset, _orderSum + _fee);

      // Approve the spoke contract if needed
      _approveSpokeIfNeeded(_asset, _orderSum);

      // Send fees to recipient
      _handleFees(_fee, msg.value, _asset, _deadline, _sig);
    }

    // Initialising array length
    _intentIds = new bytes32[](_numIntents);
    for (uint256 i; i < _numIntents; i++) {
      // Create new intent
      (bytes32 _intentId,) = spoke.newIntent(
        _params[i].destinations,
        _params[i].receiver,
        _params[i].inputAsset,
        _params[i].outputAsset,
        _params[i].amount,
        _params[i].maxFee,
        _params[i].ttl,
        _params[i].data
      );
      _intentIds[i] = _intentId;
    }

    // Calculate order id
    _orderId = keccak256(abi.encode(_intentIds));

    // Emit order event
    emit OrderCreated(_orderId, msg.sender.toBytes32(), _intentIds, _fee, msg.value);
  }

  ////////////////////
  ///// Internal /////
  ////////////////////

  /**
   * @notice Internal function to create a new intent
   * @param _destinations Array of destination chain IDs
   * @param _receiver Address of the receiver on the destination chain
   * @param _inputAsset Address of the input asset
   * @param _outputAsset Address of the output asset
   * @param _amount Amount of input asset to transfer
   * @param _maxFee Maximum fee in basis points that can be charged
   * @param _ttl Time-to-live for the intent
   * @param _data Additional data for the intent
   * @param _feeParams Fee parameters including fee amount, deadline, and signature
   * @return _intentId The ID of the created intent
   * @return _intent The created intent object
   */
  function _newIntent(
    uint32[] memory _destinations,
    bytes32 _receiver,
    address _inputAsset,
    bytes32 _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    IFeeAdapter.FeeParams calldata _feeParams
  ) internal returns (bytes32 _intentId, IEverclear.Intent memory _intent) {
    // Send fees to recipient
    _handleFees(_feeParams.fee, msg.value, _inputAsset, _feeParams.deadline, _feeParams.sig);

    // Approve the spoke contract if needed
    _approveSpokeIfNeeded(_inputAsset, _amount);

    // Create new intent
    (_intentId, _intent) =
      spoke.newIntent(_destinations, _receiver, _inputAsset, _outputAsset, _amount, _maxFee, _ttl, _data);

    // Emit event
    emit IntentWithFeesAdded(_intentId, msg.sender.toBytes32(), _feeParams.fee, msg.value);
    return (_intentId, _intent);
  }

  /**
   * @notice Internal function to create a new intent
   * @param _destinations Array of destination chain IDs
   * @param _receiver Address of the receiver on the destination chain
   * @param _inputAsset Address of the input asset
   * @param _outputAsset Address of the output asset
   * @param _amount Amount of input asset to transfer
   * @param _maxFee Maximum fee in basis points that can be charged
   * @param _ttl Time-to-live for the intent
   * @param _data Additional data for the intent
   * @param _feeParams Fee parameters including fee amount, deadline, and signature
   * @return _intentId The ID of the created intent
   * @return _intent The created intent object
   */
  function _newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    IFeeAdapter.FeeParams calldata _feeParams
  ) internal returns (bytes32 _intentId, IEverclear.Intent memory _intent) {
    // Send fees to recipient
    _handleFees(_feeParams.fee, msg.value, _inputAsset, _feeParams.deadline, _feeParams.sig);

    // Approve the spoke contract if needed
    _approveSpokeIfNeeded(_inputAsset, _amount);

    // Create new intent
    (_intentId, _intent) =
      spoke.newIntent(_destinations, _receiver, _inputAsset, _outputAsset, _amount, _maxFee, _ttl, _data);

    // Emit event
    emit IntentWithFeesAdded(_intentId, msg.sender.toBytes32(), _feeParams.fee, msg.value);
    return (_intentId, _intent);
  }

  /**
   * @notice Updates the fee recipient
   * @param _feeRecipient New recipient
   */
  function _updateFeeRecipient(
    address _feeRecipient
  ) internal {
    emit FeeRecipientUpdated(_feeRecipient, feeRecipient);
    feeRecipient = _feeRecipient;
  }

  /**
   * @notice Updates the fee signer
   * @param _feeSigner New signer
   */
  function _updateFeeSigner(
    address _feeSigner
  ) internal {
    emit FeeSignerUpdated(_feeSigner, feeSigner);
    feeSigner = _feeSigner;
  }

  /**
   * @notice Verifies a signature
   * @param _data The data of the message
   * @param _signature The signature of the message
   */
  function _verifySignature(bytes memory _data, bytes calldata _signature) internal view {
    bytes32 _hash = keccak256(_data);
    address _recoveredSigner = ECDSA.recover(MessageHashUtils.toEthSignedMessageHash(_hash), _signature);
    if (_recoveredSigner != feeSigner) {
      revert FeeAdapter_InvalidSignature();
    }
  }

  /**
   * @notice Sends fees to recipient
   * @param _tokenFee Amount in transacting asset to send to recipient
   * @param _nativeFee Amount in native asset to send to recipient
   */
  function _handleFees(
    uint256 _tokenFee,
    uint256 _nativeFee,
    address _inputAsset,
    uint256 _deadline,
    bytes calldata _sig
  ) internal {
    // Verify the signature on the fee
    _verifySignature(abi.encode(_tokenFee, _nativeFee, _inputAsset, _deadline), _sig);

    // Verify the ttl is valid
    if (block.timestamp > _deadline) {
      revert FeeAdapter_InvalidDeadline();
    }

    // Handle token fees if exist
    if (_tokenFee > 0) {
      _pushTokens(feeRecipient, _inputAsset, _tokenFee);
    }

    // Handle native tokens
    if (_nativeFee > 0) {
      Address.sendValue(payable(feeRecipient), _nativeFee);
    }
  }

  /**
   * @notice Approves the maximum uint value to the gateway.
   * @dev Approving the max reduces gas for following intents.
   * @param _asset Asset to approve to spoke.
   * @param _minimum Minimum required approval budget.
   */
  function _approveSpokeIfNeeded(address _asset, uint256 _minimum) internal {
    // Checking if the strategy is default or not
    address spender;
    IEverclear.Strategy _strategy = spoke.strategies(_asset);
    if (_strategy == IEverclear.Strategy.DEFAULT) spender = address(spoke);
    else spender = xerc20Module;

    // Approve the spoke contract if needed
    IERC20 _token = IERC20(_asset);
    uint256 _current = _token.allowance(address(this), spender);
    if (_current >= _minimum) {
      return;
    }

    // Approve to 0
    if (_current != 0) {
      _token.safeDecreaseAllowance(spender, _current);
    }

    // Approve to max
    _token.safeIncreaseAllowance(spender, type(uint256).max);
  }

  /**
   * @notice Transfers tokens from the caller to this contract using Permit2
   * @dev Uses the Permit2 contract to transfer tokens with a signature
   * @param _asset The token to transfer
   * @param _amount The amount to transfer
   * @param _permit2Params The permit2 parameters including nonce, deadline, and signature
   */
  function _pullWithPermit2(
    address _asset,
    uint256 _amount,
    IEverclearSpoke.Permit2Params calldata _permit2Params
  ) internal {
    // Transfer from caller using permit2
    PERMIT2.permitTransferFrom(
      IPermit2.PermitTransferFrom({
        permitted: IPermit2.TokenPermissions({token: IERC20(_asset), amount: _amount}),
        nonce: _permit2Params.nonce,
        deadline: _permit2Params.deadline
      }),
      IPermit2.SignatureTransferDetails({to: address(this), requestedAmount: _amount}),
      msg.sender,
      _permit2Params.signature
    );
  }

  /**
   * @notice Pull tokens from the sender to the contract
   * @param _sender The address of the sender
   * @param _asset The address of the asset
   * @param _amount The amount of the asset
   */
  function _pullTokens(address _sender, address _asset, uint256 _amount) internal {
    IERC20(_asset).safeTransferFrom(_sender, address(this), _amount);
  }

  /**
   * @notice Push tokens from the contract to the recipient
   * @param _recipient The address of the recipient
   * @param _asset The address of the asset
   * @param _amount The amount of the asset
   */
  function _pushTokens(address _recipient, address _asset, uint256 _amount) internal {
    IERC20(_asset).safeTransfer(_recipient, _amount);
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.20;

import {Ownable} from "./Ownable.sol";

/**
 * @dev Contract module which provides access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is specified at deployment time in the constructor for `Ownable`. This
 * can later be changed with {transferOwnership} and {acceptOwnership}.
 *
 * This module is used through inheritance. It will make available all functions
 * from parent (Ownable).
 */
abstract contract Ownable2Step is Ownable {
    address private _pendingOwner;

    event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Returns the address of the pending owner.
     */
    function pendingOwner() public view virtual returns (address) {
        return _pendingOwner;
    }

    /**
     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual override onlyOwner {
        _pendingOwner = newOwner;
        emit OwnershipTransferStarted(owner(), newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual override {
        delete _pendingOwner;
        super._transferOwnership(newOwner);
    }

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() public virtual {
        address sender = _msgSender();
        if (pendingOwner() != sender) {
            revert OwnableUnauthorizedAccount(sender);
        }
        _transferOwnership(sender);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    /**
     * @dev An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert FailedInnerCall();
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.20;

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS
    }

    /**
     * @dev The signature derives the `address(0)`.
     */
    error ECDSAInvalidSignature();

    /**
     * @dev The signature has an invalid length.
     */
    error ECDSAInvalidSignatureLength(uint256 length);

    /**
     * @dev The signature has an S value that is in the upper half order.
     */
    error ECDSAInvalidSignatureS(bytes32 s);

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not
     * return address(0) without also returning an error description. Errors are documented using an enum (error type)
     * and a bytes32 providing additional information about the error.
     *
     * If no error is returned, then the address can be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     */
    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {
        unchecked {
            bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
            // We do not check for an overflow here since the shift operation results in 0 or 1.
            uint8 v = uint8((uint256(vs) >> 255) + 27);
            return tryRecover(hash, v, r, s);
        }
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     */
    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError, bytes32) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS, s);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature, bytes32(0));
        }

        return (signer, RecoverError.NoError, bytes32(0));
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.
     */
    function _throwError(RecoverError error, bytes32 errorArg) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert ECDSAInvalidSignature();
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert ECDSAInvalidSignatureLength(uint256(errorArg));
        } else if (error == RecoverError.InvalidSignatureS) {
            revert ECDSAInvalidSignatureS(errorArg);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol)

pragma solidity ^0.8.20;

import {Strings} from "../Strings.sol";

/**
 * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.
 *
 * The library provides methods for generating a hash of a message that conforms to the
 * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]
 * specifications.
 */
library MessageHashUtils {
    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x45` (`personal_sign` messages).
     *
     * The digest is calculated by prefixing a bytes32 `messageHash` with
     * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the
     * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.
     *
     * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with
     * keccak256, although any bytes32 value can be safely used because the final digest will
     * be re-hashed.
     *
     * See {ECDSA-recover}.
     */
    function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash
            mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix
            digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)
        }
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x45` (`personal_sign` messages).
     *
     * The digest is calculated by prefixing an arbitrary `message` with
     * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the
     * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.
     *
     * See {ECDSA-recover}.
     */
    function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {
        return
            keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message));
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x00` (data with intended validator).
     *
     * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended
     * `validator` address. Then hashing the result.
     *
     * See {ECDSA-recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked(hex"19_00", validator, data));
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`).
     *
     * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with
     * `\x19\x01` and hashing the result. It corresponds to the hash signed by the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.
     *
     * See {ECDSA-recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, hex"19_01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            digest := keccak256(ptr, 0x42)
        }
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity 0.8.25;

/**
 * @title TypeCasts
 * @notice Library for type casts
 */
library TypeCasts {
  // alignment preserving cast
  /**
   * @notice Cast an address to a bytes32
   * @param _addr The address to cast
   */
  function toBytes32(
    address _addr
  ) internal pure returns (bytes32) {
    return bytes32(uint256(uint160(_addr)));
  }

  // alignment preserving cast
  /**
   * @notice Cast a bytes32 to an address
   * @param _buf The bytes32 to cast
   */
  function toAddress(
    bytes32 _buf
  ) internal pure returns (address) {
    return address(uint160(uint256(_buf)));
  }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**
 * @title IEverclear
 * @notice Common interface for EverclearHub and EverclearSpoke
 */
interface IEverclear {
  /*//////////////////////////////////////////////////////////////
                                ENUMS
    //////////////////////////////////////////////////////////////*/
  /**
   * @notice Enum representing statuses of an intent
   */
  enum IntentStatus {
    NONE, // 0
    ADDED, // 1
    DEPOSIT_PROCESSED, // 2
    FILLED, // 3
    ADDED_AND_FILLED, // 4
    INVOICED, // 5
    SETTLED, // 6
    SETTLED_AND_MANUALLY_EXECUTED, // 7
    UNSUPPORTED, // 8
    UNSUPPORTED_RETURNED // 9

  }

  /**
   * @notice Enum representing asset strategies
   */
  enum Strategy {
    DEFAULT,
    XERC20
  }

  /*///////////////////////////////////////////////////////////////
                            STRUCTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice The structure of an intent
   * @param initiator The address of the intent initiator
   * @param receiver The address of the intent receiver
   * @param inputAsset The address of the intent asset on origin
   * @param outputAsset The address of the intent asset on destination
   * @param maxFee The maximum fee that can be taken by solvers
   * @param origin The origin chain of the intent
   * @param destinations The possible destination chains of the intent
   * @param nonce The nonce of the intent
   * @param timestamp The timestamp of the intent
   * @param ttl The time to live of the intent
   * @param amount The amount of the intent asset normalized to 18 decimals
   * @param data The data of the intent
   */
  struct Intent {
    bytes32 initiator;
    bytes32 receiver;
    bytes32 inputAsset;
    bytes32 outputAsset;
    uint24 maxFee;
    uint32 origin;
    uint64 nonce;
    uint48 timestamp;
    uint48 ttl;
    uint256 amount;
    uint32[] destinations;
    bytes data;
  }

  /**
   * @notice The structure of a fill message
   * @param intentId The ID of the intent
   * @param solver The address of the intent solver in bytes32 format
   * @param initiator The address of the intent initiator
   * @param fee The total fee of the expressed in dbps, represents the solver fee plus the sum of protocol fees for the token
   * @param executionTimestamp The execution timestamp of the intent
   */
  struct FillMessage {
    bytes32 intentId;
    bytes32 solver;
    bytes32 initiator;
    uint24 fee;
    uint48 executionTimestamp;
  }

  /**
   * @notice The structure of a settlement
   * @param intentId The ID of the intent
   * @param amount The amount of the asset
   * @param asset The address of the asset
   * @param recipient The address of the recipient
   * @param updateVirtualBalance If set to true, the settlement will not be transferred to the recipient in spoke domain and the virtual balance will be increased
   */
  struct Settlement {
    bytes32 intentId;
    uint256 amount;
    bytes32 asset;
    bytes32 recipient;
    bool updateVirtualBalance;
  }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol';

/**
 * @title IPermit2
 * @notice Interface for permit2
 */
interface IPermit2 {
  /*///////////////////////////////////////////////////////////////
                                STRUCTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Struct for token and amount in a permit message
   * @param token The token to transfer
   * @param amount The amount to transfer
   */
  struct TokenPermissions {
    IERC20 token;
    uint256 amount;
  }

  /**
   * @notice Struct for the permit2 message
   * @param permitted The permitted token and amount
   * @param nonce The unique identifier for this permit
   * @param deadline The expiration for this permit
   */
  struct PermitTransferFrom {
    TokenPermissions permitted;
    uint256 nonce;
    uint256 deadline;
  }

  /**
   * @notice Struct for the transfer details for permitTransferFrom()
   * @param to The recipient of the tokens
   * @param requestedAmount The amount to transfer
   */
  struct SignatureTransferDetails {
    address to;
    uint256 requestedAmount;
  }

  /*///////////////////////////////////////////////////////////////
                                LOGIC
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Consume a permit2 message and transfer tokens
   * @param permit The permit message
   * @param transferDetails The transfer details
   * @param owner The owner of the tokens
   * @param signature The signature of the permit
   */
  function permitTransferFrom(
    PermitTransferFrom calldata permit,
    SignatureTransferDetails calldata transferDetails,
    address owner,
    bytes calldata signature
  ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

import {IEverclear} from 'interfaces/common/IEverclear.sol';
import {ISettlementModule} from 'interfaces/common/ISettlementModule.sol';

import {ISpokeStorage} from './ISpokeStorage.sol';

/**
 * @title IEverclearSpoke
 * @notice Interface for the EverclearSpoke contract
 */
interface IEverclearSpoke is ISpokeStorage {
  /*///////////////////////////////////////////////////////////////
                              STRUCTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Parameters needed to execute a permit2
   * @param nonce The nonce of the permit
   * @param deadline The deadline of the permit
   * @param signature The signature of the permit
   */
  struct Permit2Params {
    uint256 nonce;
    uint256 deadline;
    bytes signature;
  }
  /*///////////////////////////////////////////////////////////////
                              EVENTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice emitted when a new intent is added on origin
   * @param _intentId The ID of the intent
   * @param _queueIdx The index of the intent in the IntentQueue
   * @param _intent The intent object
   */
  event IntentAdded(bytes32 indexed _intentId, uint256 _queueIdx, Intent _intent);

  /**
   * @notice emitted when an intent is filled on destination
   * @param _intentId The ID of the intent
   * @param _solver The address of the intent solver
   * @param _totalFeeDBPS The total amount of fee deducted from the transferred amount
   * @param _queueIdx The index of the FillMessage in the FillQueue
   * @param _intent The full intent object
   */
  event IntentFilled(
    bytes32 indexed _intentId, address indexed _solver, uint256 _totalFeeDBPS, uint256 _queueIdx, Intent _intent
  );

  /**
   * @notice emitted when solver (or anyone) deposits an asset in the EverclearSpoke
   * @param _depositant The address of the depositant
   * @param _asset The address of the deposited asset
   * @param _amount The amount of the deposited asset
   */
  event Deposited(address indexed _depositant, address indexed _asset, uint256 _amount);

  /**
   * @notice emitted when solver (or anyone) withdraws an asset from the EverclearSpoke
   * @param _withdrawer The address of the withdrawer
   * @param _asset The address of the withdrawn asset
   * @param _amount The amount of the withdrawn asset
   */
  event Withdrawn(address indexed _withdrawer, address indexed _asset, uint256 _amount);

  /**
   * @notice Emitted when the intent queue is processed
   * @param _messageId The ID of the message
   * @param _firstIdx The first index of the queue to be processed
   * @param _lastIdx The last index of the queue to be processed
   * @param _quote The quote amount
   */
  event IntentQueueProcessed(bytes32 indexed _messageId, uint256 _firstIdx, uint256 _lastIdx, uint256 _quote);

  /**
   * @notice Emitted when the fill queue is processed
   * @param _messageId The ID of the message
   * @param _firstIdx The first index of the queue to be processed
   * @param _lastIdx The last index of the queue to be processed
   * @param _quote The quote amount
   */
  event FillQueueProcessed(bytes32 indexed _messageId, uint256 _firstIdx, uint256 _lastIdx, uint256 _quote);

  /**
   * @notice Emitted when an external call is executed
   * @param _intentId The ID of the intent
   * @param _returnData The return data of the call
   */
  event ExternalCalldataExecuted(bytes32 indexed _intentId, bytes _returnData);

  /**
   * @notice Emitted when feeAdapter is updated
   * @param _newFeeAdapter The new fee adapter
   */
  event FeeAdapterUpdated(address _newFeeAdapter);

  /*///////////////////////////////////////////////////////////////
                              ERRORS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Thrown when the intent is already filled
   * @param _intentId The id of the intent which is being tried to fill
   */
  error EverclearSpoke_FillIntent_InvalidStatus(bytes32 _intentId);

  /**
   * @notice Thrown when trying to fill an expired intent
   * @param _intentId The id of the intent which is being tried to fill
   */
  error EverclearSpoke_FillIntent_IntentExpired(bytes32 _intentId);

  /**
   * @notice Thrown when calling newIntent with invalid intent parameters
   */
  error EverclearSpoke_NewIntent_InvalidIntent();

  /**
   * @notice Thrown when the maxFee is exceeded
   * @param _fee The fee chosen by the user
   * @param _maxFee The maximum possible fee
   */
  error EverclearSpoke_NewIntent_MaxFeeExceeded(uint256 _fee, uint24 _maxFee);

  /**
   * @notice Thrown when the intent amount is zero
   */
  error EverclearSpoke_NewIntent_ZeroAmount();

  /**
   * @notice Thrown when the solver doesnt have sufficient funds to fill an intent
   * @param _requested The amount of tokens needed to fill the intent
   * @param _available The amount of tokens the solver has deposited in the `EverclearSpoke`
   */
  error EverclearSpoke_FillIntent_InsufficientFunds(uint256 _requested, uint256 _available);

  /**
   * @notice Thrown when the fee exceeds the maximum fee
   * @param _fee The fee chosen by the solver
   * @param _maxFee The actual fee the intent solver set for his intent
   */
  error EverclearSpoke_FillIntent_MaxFeeExceeded(uint256 _fee, uint24 _maxFee);

  /**
   * @notice Thrown when the intent calldata exceeds the limit
   */
  error EverclearSpoke_NewIntent_CalldataExceedsLimit();

  /**
   * @notice Thrown when a signature signer does not match the expected address
   */
  error EverclearSpoke_InvalidSignature();

  /**
   * @notice Thrown when the domain does not match the expected domain
   */
  error EverclearSpoke_ProcessFillViaRelayer_WrongDomain();

  /**
   * @notice Thrown when the relayer address does not match the msg.sender
   */
  error EverclearSpoke_ProcessFillViaRelayer_NotRelayer();

  /**
   * @notice Thrown when the TTL of the message has expired
   */
  error EverclearSpoke_ProcessFillViaRelayer_TTLExpired();

  /**
   * @notice Thrown when processing the intent queue and the intent is not found in the position specified in the parameter
   * @param _intentId The id of the intent being processed
   * @param _position The position specified by the queue processor
   */
  error EverclearSpoke_ProcessIntentQueue_NotFound(bytes32 _intentId, uint256 _position);

  /**
   * @notice Thrown when trying to execute the calldata of an intent with invalid status
   * @param _intentId The id of the intent whose calldata is trying to be executed
   */
  error EverclearSpoke_ExecuteIntentCalldata_InvalidStatus(bytes32 _intentId);

  /**
   * @notice Thrown when the external call failed on executeIntentCalldata
   */
  error EverclearSpoke_ExecuteIntentCalldata_ExternalCallFailed();

  /*///////////////////////////////////////////////////////////////
                              LOGIC
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Pauses the contract
   * @dev only the lighthouse and watchtower can pause the contract
   */
  function pause() external;

  /**
   * @notice Unpauses the contract
   * @dev only the lighthouse and watchtower can unpause the contract
   */
  function unpause() external;

  /**
   * @notice Sets a minting / burning strategy for an asset
   * @param _asset The asset address
   * @param _strategy The strategy id (see `enum Strategy`)
   */
  function setStrategyForAsset(address _asset, IEverclear.Strategy _strategy) external;

  /**
   * @notice Sets a module for a strategy
   * @param _strategy The strategy id (see `enum Strategy`)
   * @param _module The module contract
   */
  function setModuleForStrategy(IEverclear.Strategy _strategy, ISettlementModule _module) external;

  /**
   * @notice Updates the security module
   * @param _newSecurityModule The address of the new security module
   */
  function updateSecurityModule(
    address _newSecurityModule
  ) external;

  /**
   * @notice Initialize the EverclearSpoke contract
   * @param _init The spoke initialization parameters
   */
  function initialize(
    SpokeInitializationParams calldata _init
  ) external;

  /**
   * @notice Creates a new intent
   * @param _destinations The possible destination chains of the intent
   * @param _receiver The destinantion address of the intent
   * @param _inputAsset The asset address on origin
   * @param _outputAsset The asset address on destination
   * @param _amount The amount of the asset
   * @param _maxFee The maximum fee that can be taken by solvers
   * @param _ttl The time to live of the intent
   * @param _data The data of the intent
   * @return _intentId The ID of the intent
   * @return _intent The intent object
   */
  function newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data
  ) external returns (bytes32 _intentId, Intent calldata _intent);

  /**
   * @notice Creates a new intent with permit2
   * @param _destinations The possible destination chains of the intent
   * @param _receiver The destinantion address of the intent
   * @param _inputAsset The asset address on origin
   * @param _outputAsset The asset address on destination
   * @param _amount The amount of the asset
   * @param _maxFee The maximum fee that can be taken by solvers
   * @param _ttl The time to live of the intent
   * @param _data The data of the intent
   * @param _permit2Params The parameters needed to execute a permit2
   * @return _intentId The ID of the intent
   * @return _intent The intent object
   */
  function newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    Permit2Params calldata _permit2Params
  ) external returns (bytes32 _intentId, Intent calldata _intent);

  /**
   * @notice fills an intent
   * @param _intent The intent structure
   * @param _fee The total fee, expressed in dbps, represents the solver fee plus the sum of protocol fees for the token
   * @return _fillMessage The enqueued fill message
   */
  function fillIntent(Intent calldata _intent, uint24 _fee) external returns (FillMessage calldata _fillMessage);

  /**
   * @notice Allows a relayer to fill an intent for a solver
   * @param _solver The address of the solver
   * @param _intent The intent structure
   * @param _nonce The nonce of the signature
   * @param _fee The total fee, expressed in dbps, represents the solver fee plus the sum of protocol fees for the token
   * @param _signature The solver signature
   * @return _fillMessage The enqueued fill message
   */
  function fillIntentForSolver(
    address _solver,
    Intent calldata _intent,
    uint256 _nonce,
    uint24 _fee,
    bytes calldata _signature
  ) external returns (FillMessage memory _fillMessage);

  /**
   * @notice Process the intent queue messages to send a batched message to the transport layer
   * @param _intents The intents to process, must respect the intent queue order
   */
  function processIntentQueue(
    Intent[] calldata _intents
  ) external payable;

  /**
   * @notice Process the fill queue messages to send a batched message to the transport layer
   * @param _amount The amount of messages to process and batch
   */
  function processFillQueue(
    uint32 _amount
  ) external payable;

  /**
   * @notice Process the intent queue messages to send a batched message to the transport layer (via relayer)
   * @param _domain The domain of the message
   * @param _intents The intents to process, must respect the intent queue order
   * @param _relayer The address of the relayer
   * @param _ttl The time to live of the message
   * @param _nonce The nonce of the signature
   * @param _bufferDBPS The buffer in DBPS to add to the fee
   * @param _signature The signature of the data
   */
  function processIntentQueueViaRelayer(
    uint32 _domain,
    Intent[] calldata _intents,
    address _relayer,
    uint256 _ttl,
    uint256 _nonce,
    uint256 _bufferDBPS,
    bytes calldata _signature
  ) external;

  /**
   * @notice Process the fill queue messages to send a batched message to the transport layer (via relayer)
   * @param _domain The domain of the message
   * @param _amount The amount of messages to process and batch
   * @param _relayer The address of the relayer
   * @param _ttl The time to live of the message
   * @param _nonce The nonce of the signature
   * @param _bufferDBPS The buffer in DBPS to add to the fee
   * @param _signature The signature of the data
   */
  function processFillQueueViaRelayer(
    uint32 _domain,
    uint32 _amount,
    address _relayer,
    uint256 _ttl,
    uint256 _nonce,
    uint256 _bufferDBPS,
    bytes calldata _signature
  ) external;

  /**
   * @notice deposits an asset into the EverclearSpoke
   * @dev should be only called by solvers but it is permissionless, the funds will be used by the solvers to execute intents
   * @param _asset The address of the asset
   * @param _amount The amount of the asset
   */
  function deposit(address _asset, uint256 _amount) external;

  /**
   * @notice withdraws an asset from the EverclearSpoke
   * @dev can be called by solvers or users
   * @param _asset The address of the asset
   * @param _amount The amount of the asset
   */
  function withdraw(address _asset, uint256 _amount) external;

  /**
   * @notice Updates the gateway
   * @param _newGateway The address of the new gateway
   */
  function updateGateway(
    address _newGateway
  ) external;

  /**
   * @notice Updates the message receiver
   * @param _newMessageReceiver The address of the new message receiver
   */
  function updateMessageReceiver(
    address _newMessageReceiver
  ) external;

  /**
   * @notice Updates the max gas limit used for outgoing messages
   * @param _newGasLimit The new gas limit
   */
  function updateMessageGasLimit(
    uint256 _newGasLimit
  ) external;

  /**
   * @notice Executes the calldata of an intent
   * @param _intent The intent object
   */
  function executeIntentCalldata(
    Intent calldata _intent
  ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

import {IEverclear} from 'interfaces/common/IEverclear.sol';
import {ISettlementModule} from 'interfaces/common/ISettlementModule.sol';

import {ISpokeStorage} from './ISpokeStorage.sol';

/**
 * @title IEverclearSpoke
 * @notice Interface for the EverclearSpoke contract
 */
interface IEverclearSpokeV3 is ISpokeStorage {
  /*///////////////////////////////////////////////////////////////
                              STRUCTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Parameters needed to execute a permit2
   * @param nonce The nonce of the permit
   * @param deadline The deadline of the permit
   * @param signature The signature of the permit
   */
  struct Permit2Params {
    uint256 nonce;
    uint256 deadline;
    bytes signature;
  }
  /*///////////////////////////////////////////////////////////////
                              EVENTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice emitted when a new intent is added on origin
   * @param _intentId The ID of the intent
   * @param _queueIdx The index of the intent in the IntentQueue
   * @param _intent The intent object
   */
  event IntentAdded(bytes32 indexed _intentId, uint256 _queueIdx, Intent _intent);

  /**
   * @notice emitted when an intent is filled on destination
   * @param _intentId The ID of the intent
   * @param _solver The address of the intent solver
   * @param _totalFeeDBPS The total amount of fee deducted from the transferred amount
   * @param _queueIdx The index of the FillMessage in the FillQueue
   * @param _intent The full intent object
   */
  event IntentFilled(
    bytes32 indexed _intentId, address indexed _solver, uint256 _totalFeeDBPS, uint256 _queueIdx, Intent _intent
  );

  /**
   * @notice emitted when solver (or anyone) deposits an asset in the EverclearSpoke
   * @param _depositant The address of the depositant
   * @param _asset The address of the deposited asset
   * @param _amount The amount of the deposited asset
   */
  event Deposited(address indexed _depositant, address indexed _asset, uint256 _amount);

  /**
   * @notice emitted when solver (or anyone) withdraws an asset from the EverclearSpoke
   * @param _withdrawer The address of the withdrawer
   * @param _asset The address of the withdrawn asset
   * @param _amount The amount of the withdrawn asset
   */
  event Withdrawn(address indexed _withdrawer, address indexed _asset, uint256 _amount);

  /**
   * @notice Emitted when the intent queue is processed
   * @param _messageId The ID of the message
   * @param _firstIdx The first index of the queue to be processed
   * @param _lastIdx The last index of the queue to be processed
   * @param _quote The quote amount
   */
  event IntentQueueProcessed(bytes32 indexed _messageId, uint256 _firstIdx, uint256 _lastIdx, uint256 _quote);

  /**
   * @notice Emitted when the fill queue is processed
   * @param _messageId The ID of the message
   * @param _firstIdx The first index of the queue to be processed
   * @param _lastIdx The last index of the queue to be processed
   * @param _quote The quote amount
   */
  event FillQueueProcessed(bytes32 indexed _messageId, uint256 _firstIdx, uint256 _lastIdx, uint256 _quote);

  /**
   * @notice Emitted when an external call is executed
   * @param _intentId The ID of the intent
   * @param _returnData The return data of the call
   */
  event ExternalCalldataExecuted(bytes32 indexed _intentId, bytes _returnData);
  
  /*///////////////////////////////////////////////////////////////
                              ERRORS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Thrown when the intent is already filled
   * @param _intentId The id of the intent which is being tried to fill
   */
  error EverclearSpoke_FillIntent_InvalidStatus(bytes32 _intentId);

  /**
   * @notice Thrown when trying to fill an expired intent
   * @param _intentId The id of the intent which is being tried to fill
   */
  error EverclearSpoke_FillIntent_IntentExpired(bytes32 _intentId);

  /**
   * @notice Thrown when calling newIntent with invalid intent parameters
   */
  error EverclearSpoke_NewIntent_InvalidIntent();

  /**
   * @notice Thrown when the maxFee is exceeded
   * @param _fee The fee chosen by the user
   * @param _maxFee The maximum possible fee
   */
  error EverclearSpoke_NewIntent_MaxFeeExceeded(uint256 _fee, uint24 _maxFee);

  /**
   * @notice Thrown when the intent amount is zero
   */
  error EverclearSpoke_NewIntent_ZeroAmount();

  /**
   * @notice Thrown when the solver doesnt have sufficient funds to fill an intent
   * @param _requested The amount of tokens needed to fill the intent
   * @param _available The amount of tokens the solver has deposited in the `EverclearSpoke`
   */
  error EverclearSpoke_FillIntent_InsufficientFunds(uint256 _requested, uint256 _available);

  /**
   * @notice Thrown when the fee exceeds the maximum fee
   * @param _fee The fee chosen by the solver
   * @param _maxFee The actual fee the intent solver set for his intent
   */
  error EverclearSpoke_FillIntent_MaxFeeExceeded(uint256 _fee, uint24 _maxFee);

  /**
   * @notice Thrown when the intent calldata exceeds the limit
   */
  error EverclearSpoke_NewIntent_CalldataExceedsLimit();

  /**
   * @notice Thrown when a signature signer does not match the expected address
   */
  error EverclearSpoke_InvalidSignature();

  /**
   * @notice Thrown when the domain does not match the expected domain
   */
  error EverclearSpoke_ProcessFillViaRelayer_WrongDomain();

  /**
   * @notice Thrown when the relayer address does not match the msg.sender
   */
  error EverclearSpoke_ProcessFillViaRelayer_NotRelayer();

  /**
   * @notice Thrown when the TTL of the message has expired
   */
  error EverclearSpoke_ProcessFillViaRelayer_TTLExpired();

  /**
   * @notice Thrown when processing the intent queue and the intent is not found in the position specified in the parameter
   * @param _intentId The id of the intent being processed
   * @param _position The position specified by the queue processor
   */
  error EverclearSpoke_ProcessIntentQueue_NotFound(bytes32 _intentId, uint256 _position);

  /**
   * @notice Thrown when trying to execute the calldata of an intent with invalid status
   * @param _intentId The id of the intent whose calldata is trying to be executed
   */
  error EverclearSpoke_ExecuteIntentCalldata_InvalidStatus(bytes32 _intentId);

  /**
   * @notice Thrown when the external call failed on executeIntentCalldata
   */
  error EverclearSpoke_ExecuteIntentCalldata_ExternalCallFailed();

  /*///////////////////////////////////////////////////////////////
                              LOGIC
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Pauses the contract
   * @dev only the lighthouse and watchtower can pause the contract
   */
  function pause() external;

  /**
   * @notice Unpauses the contract
   * @dev only the lighthouse and watchtower can unpause the contract
   */
  function unpause() external;

  /**
   * @notice Sets a minting / burning strategy for an asset
   * @param _asset The asset address
   * @param _strategy The strategy id (see `enum Strategy`)
   */
  function setStrategyForAsset(address _asset, IEverclear.Strategy _strategy) external;

  /**
   * @notice Sets a module for a strategy
   * @param _strategy The strategy id (see `enum Strategy`)
   * @param _module The module contract
   */
  function setModuleForStrategy(IEverclear.Strategy _strategy, ISettlementModule _module) external;

  /**
   * @notice Updates the security module
   * @param _newSecurityModule The address of the new security module
   */
  function updateSecurityModule(
    address _newSecurityModule
  ) external;

  /**
   * @notice Initialize the EverclearSpoke contract
   * @param _init The spoke initialization parameters
   */
  function initialize(
    SpokeInitializationParams calldata _init
  ) external;

  /**
   * @notice Creates a new intent
   * @param _destinations The possible destination chains of the intent
   * @param _receiver The destinantion address of the intent
   * @param _inputAsset The asset address on origin
   * @param _outputAsset The asset address on destination
   * @param _amount The amount of the asset
   * @param _maxFee The maximum fee that can be taken by solvers
   * @param _ttl The time to live of the intent
   * @param _data The data of the intent
   * @return _intentId The ID of the intent
   * @return _intent The intent object
   */
  function newIntent(
    uint32[] memory _destinations,
    bytes32 _receiver,
    address _inputAsset,
    bytes32 _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data
  ) external returns (bytes32 _intentId, Intent calldata _intent);

  /**
   * @notice Creates a new intent
   * @param _destinations The possible destination chains of the intent
   * @param _receiver The destinantion address of the intent
   * @param _inputAsset The asset address on origin
   * @param _outputAsset The asset address on destination
   * @param _amount The amount of the asset
   * @param _maxFee The maximum fee that can be taken by solvers
   * @param _ttl The time to live of the intent
   * @param _data The data of the intent
   * @return _intentId The ID of the intent
   * @return _intent The intent object
   */
  function newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data
  ) external returns (bytes32 _intentId, Intent calldata _intent);

  /**
   * @notice Creates a new intent with permit2
   * @param _destinations The possible destination chains of the intent
   * @param _receiver The destinantion address of the intent
   * @param _inputAsset The asset address on origin
   * @param _outputAsset The asset address on destination
   * @param _amount The amount of the asset
   * @param _maxFee The maximum fee that can be taken by solvers
   * @param _ttl The time to live of the intent
   * @param _data The data of the intent
   * @param _permit2Params The parameters needed to execute a permit2
   * @return _intentId The ID of the intent
   * @return _intent The intent object
   */
  function newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    Permit2Params calldata _permit2Params
  ) external returns (bytes32 _intentId, Intent calldata _intent);

  /**
   * @notice fills an intent
   * @param _intent The intent structure
   * @param _fee The total fee, expressed in dbps, represents the solver fee plus the sum of protocol fees for the token
   * @return _fillMessage The enqueued fill message
   */
  function fillIntent(Intent calldata _intent, uint24 _fee) external returns (FillMessage calldata _fillMessage);

  /**
   * @notice Allows a relayer to fill an intent for a solver
   * @param _solver The address of the solver
   * @param _intent The intent structure
   * @param _nonce The nonce of the signature
   * @param _fee The total fee, expressed in dbps, represents the solver fee plus the sum of protocol fees for the token
   * @param _signature The solver signature
   * @return _fillMessage The enqueued fill message
   */
  function fillIntentForSolver(
    address _solver,
    Intent calldata _intent,
    uint256 _nonce,
    uint24 _fee,
    bytes calldata _signature
  ) external returns (FillMessage memory _fillMessage);

  /**
   * @notice Process the intent queue messages to send a batched message to the transport layer
   * @param _intents The intents to process, must respect the intent queue order
   */
  function processIntentQueue(
    Intent[] calldata _intents
  ) external payable;

  /**
   * @notice Process the fill queue messages to send a batched message to the transport layer
   * @param _amount The amount of messages to process and batch
   */
  function processFillQueue(
    uint32 _amount
  ) external payable;

  /**
   * @notice Process the intent queue messages to send a batched message to the transport layer (via relayer)
   * @param _domain The domain of the message
   * @param _intents The intents to process, must respect the intent queue order
   * @param _relayer The address of the relayer
   * @param _ttl The time to live of the message
   * @param _nonce The nonce of the signature
   * @param _bufferDBPS The buffer in DBPS to add to the fee
   * @param _signature The signature of the data
   */
  function processIntentQueueViaRelayer(
    uint32 _domain,
    Intent[] calldata _intents,
    address _relayer,
    uint256 _ttl,
    uint256 _nonce,
    uint256 _bufferDBPS,
    bytes calldata _signature
  ) external;

  /**
   * @notice Process the fill queue messages to send a batched message to the transport layer (via relayer)
   * @param _domain The domain of the message
   * @param _amount The amount of messages to process and batch
   * @param _relayer The address of the relayer
   * @param _ttl The time to live of the message
   * @param _nonce The nonce of the signature
   * @param _bufferDBPS The buffer in DBPS to add to the fee
   * @param _signature The signature of the data
   */
  function processFillQueueViaRelayer(
    uint32 _domain,
    uint32 _amount,
    address _relayer,
    uint256 _ttl,
    uint256 _nonce,
    uint256 _bufferDBPS,
    bytes calldata _signature
  ) external;

  /**
   * @notice deposits an asset into the EverclearSpoke
   * @dev should be only called by solvers but it is permissionless, the funds will be used by the solvers to execute intents
   * @param _asset The address of the asset
   * @param _amount The amount of the asset
   */
  function deposit(address _asset, uint256 _amount) external;

  /**
   * @notice withdraws an asset from the EverclearSpoke
   * @dev can be called by solvers or users
   * @param _asset The address of the asset
   * @param _amount The amount of the asset
   */
  function withdraw(address _asset, uint256 _amount) external;

  /**
   * @notice Updates the gateway
   * @param _newGateway The address of the new gateway
   */
  function updateGateway(
    address _newGateway
  ) external;

  /**
   * @notice Updates the message receiver
   * @param _newMessageReceiver The address of the new message receiver
   */
  function updateMessageReceiver(
    address _newMessageReceiver
  ) external;

  /**
   * @notice Updates the max gas limit used for outgoing messages
   * @param _newGasLimit The new gas limit
   */
  function updateMessageGasLimit(
    uint256 _newGasLimit
  ) external;

  /**
   * @notice Executes the calldata of an intent
   * @param _intent The intent object
   */
  function executeIntentCalldata(
    Intent calldata _intent
  ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

import {IEverclear} from '../common/IEverclear.sol';
import {IEverclearSpoke} from './IEverclearSpoke.sol';
import {IEverclearSpokeV3} from './IEverclearSpokeV3.sol';
import {IPermit2} from 'interfaces/common/IPermit2.sol';

interface IFeeAdapter {
  struct OrderParameters {
    uint32[] destinations;
    address receiver;
    address inputAsset;
    address outputAsset;
    uint256 amount;
    uint24 maxFee;
    uint48 ttl;
    bytes data;
  }

  struct FeeParams {
    uint256 fee;
    uint256 deadline;
    bytes sig;
  }

  /**
   * @notice Emitted when a new intent is created with fees
   * @param _intentId The ID of the created intent
   * @param _initiator The address of the user who initiated the intent
   * @param _tokenFee The amount of token fees paid
   * @param _nativeFee The amount of native token fees paid
   */
  event IntentWithFeesAdded(
    bytes32 indexed _intentId, bytes32 indexed _initiator, uint256 _tokenFee, uint256 _nativeFee
  );

  /**
   * @notice Emitted when a new order containing multiple intents is created
   * @param _orderId The unique identifier for the created order
   * @param _initiator The address of the user who initiated the order
   * @param _intentIds Array of intent IDs that make up this order
   * @param _tokenFee The amount of token fees paid for the order
   * @param _nativeFee The amount of native token fees paid for the order
   */
  event OrderCreated(
    bytes32 indexed _orderId, bytes32 indexed _initiator, bytes32[] _intentIds, uint256 _tokenFee, uint256 _nativeFee
  );

  /**
   * @notice Emitted when the fee recipient is updated
   * @param _updated The new fee recipient address
   * @param _previous The previous fee recipient address
   */
  event FeeRecipientUpdated(address indexed _updated, address indexed _previous);

  /**
   * @notice Emitted when the fee signer is updated
   * @param _updated The new fee signer address
   * @param _previous The previous fee signer address
   */
  event FeeSignerUpdated(address indexed _updated, address indexed _previous);

  /**
   * @notice Thrown when there are multiple assets included in a single order request.
   */
  error MultipleOrderAssets();

  /**
   * @notice Thrown when the signature is invalid on fees
   */
  error FeeAdapter_InvalidSignature();

  /**
   * @notice Thrown when the deadline has elapsed
   */
  error FeeAdapter_InvalidDeadline();

  /**
   * @notice Returns the spoke contract address
   * @return The EverclearSpoke contract interface
   */
  function spoke() external view returns (IEverclearSpokeV3);

  /**
   * @notice returns the permit2 contract
   * @return _permit2 The Permit2 singleton address
   */
  function PERMIT2() external view returns (IPermit2 _permit2);

  /**
   * @notice Returns the current fee recipient address
   * @return The address that receives fees
   */
  function feeRecipient() external view returns (address);

  /**
   * @notice Returns the current fee signer address
   * @return The address whos signature is verified
   */
  function feeSigner() external view returns (address);

  /**
   * @notice Creates a new intent with fees
   * @param _destinations Array of destination domains, preference ordered
   * @param _receiver Address of the receiver on the destination chain
   * @param _inputAsset Address of the input asset
   * @param _outputAsset Address of the output asset
   * @param _amount Amount of input asset to use for the intent
   * @param _maxFee Maximum fee percentage allowed for the intent
   * @param _ttl Time-to-live for the intent in seconds
   * @param _data Additional data for the intent
   * @param _feeParams Fee parameters including fee amount, deadline, and signature
   * @return _intentId The ID of the created intent
   * @return _intent The created intent object
   */
  function newIntent(
    uint32[] memory _destinations,
    bytes32 _receiver,
    address _inputAsset,
    bytes32 _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    FeeParams calldata _feeParams
  ) external payable returns (bytes32, IEverclear.Intent memory);

  /**
   * @notice Creates a new intent with fees
   * @param _destinations Array of destination domains, preference ordered
   * @param _receiver Address of the receiver on the destination chain
   * @param _inputAsset Address of the input asset
   * @param _outputAsset Address of the output asset
   * @param _amount Amount of input asset to use for the intent
   * @param _maxFee Maximum fee percentage allowed for the intent
   * @param _ttl Time-to-live for the intent in seconds
   * @param _data Additional data for the intent
   * @param _feeParams Fee parameters including fee amount, deadline, and signature
   * @return _intentId The ID of the created intent
   * @return _intent The created intent object
   */
  function newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    FeeParams calldata _feeParams
  ) external payable returns (bytes32, IEverclear.Intent memory);

  /**
   * @notice Creates a new intent with fees using Permit2
   * @dev Users will permit the adapter, which will then approve the spoke and call newIntent
   * @param _destinations Array of destination domains, preference ordered
   * @param _receiver Address of the receiver on the destination chain
   * @param _inputAsset Address of the input asset
   * @param _outputAsset Address of the output asset
   * @param _amount Amount of input asset to use for the intent
   * @param _maxFee Maximum fee percentage allowed for the intent
   * @param _ttl Time-to-live for the intent in seconds
   * @param _data Additional data for the intent
   * @param _permit2Params Signed Permit2 payload, with adapter as spender
   * @param _feeParams Token fee amount to be sent to the fee recipient
   * @return _intentId The ID of the created intent
   * @return _intent The created intent object
   */
  function newIntent(
    uint32[] memory _destinations,
    address _receiver,
    address _inputAsset,
    address _outputAsset,
    uint256 _amount,
    uint24 _maxFee,
    uint48 _ttl,
    bytes calldata _data,
    IEverclearSpoke.Permit2Params calldata _permit2Params,
    FeeParams calldata _feeParams
  ) external payable returns (bytes32, IEverclear.Intent memory);

  /**
   * @notice Creates multiple intents with the same parameters, splitting the amount evenly
   * @dev Creates _numIntents intents with identical parameters but divides _amount equally among them
   * @param _numIntents Number of intents to create
   * @param _fee Token fee amount to be sent to the fee recipient
   * @param _params Order parameters including destinations, receiver, assets, amount, maxFee, ttl, and data
   * @return _orderId The ID of the created order (hash of all intent IDs)
   * @return _intentIds Array of all created intent IDs
   */
  function newOrderSplitEvenly(
    uint32 _numIntents,
    uint256 _fee,
    uint256 _deadline,
    bytes calldata _sig,
    OrderParameters memory _params
  ) external payable returns (bytes32, bytes32[] memory);

  /**
   * @notice Creates multiple intents with the supplied parameters
   * @param _fee Token fee amount to be sent to the fee recipient
   * @param _params Order parameters including destinations, receiver, assets, amount, maxFee, ttl, and data
   * @return _orderId The ID of the created order (hash of all intent IDs)
   * @return _intentIds Array of all created intent IDs
   */
  function newOrder(
    uint256 _fee,
    uint256 _deadline,
    bytes calldata _sig,
    OrderParameters[] memory _params
  ) external payable returns (bytes32, bytes32[] memory);

  /**
   * @notice Updates the fee recipient address
   * @dev Can only be called by the owner of the contract
   * @param _feeRecipient The new address that will receive fees
   */
  function updateFeeRecipient(
    address _feeRecipient
  ) external;

  /**
   * @notice Updates the fee signer address
   * @dev Can only be called by the owner of the contract
   * @param _feeSigner The new address that will sign for fees
   */
  function updateFeeSigner(
    address _feeSigner
  ) external;

  /**
   * @notice Send virtual balance to the original recipient
   * @param _asset Address of the asset to return
   * @param _amount Amount of the asset to return
   * @param _recipient Address of the recipient
   */
  function returnUnsupportedIntent(address _asset, uint256 _amount, address _recipient) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)

pragma solidity ^0.8.20;

import {Math} from "./math/Math.sol";
import {SignedMath} from "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant HEX_DIGITS = "0123456789abcdef";
    uint8 private constant ADDRESS_LENGTH = 20;

    /**
     * @dev The `value` string doesn't fit in the specified `length`.
     */
    error StringsInsufficientHexLength(uint256 value, uint256 length);

    /**
     * @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), HEX_DIGITS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toStringSigned(int256 value) internal pure returns (string memory) {
        return string.concat(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) {
        uint256 localValue = value;
        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] = HEX_DIGITS[localValue & 0xf];
            localValue >>= 4;
        }
        if (localValue != 0) {
            revert StringsInsufficientHexLength(value, length);
        }
        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 bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**
 * @title ISettlementModule
 * @notice Interface for the base settlement module
 */
interface ISettlementModule {
  /*///////////////////////////////////////////////////////////////
                              LOGIC
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Handle a mint action for a specific strategy
   * @param _asset The address of the asset to mint
   * @param _recipient The recipient of the minted assets
   * @param _fallbackRecipient The fallback recipient of the minted assets (in case of failure)
   * @param _amount The amount to mint
   * @param _data Extra data needed by some modules
   * @return _success The outcome of the minting strategy
   * @dev In case of failure, the parent module will handle the operation accordingly
   */
  function handleMintStrategy(
    address _asset,
    address _recipient,
    address _fallbackRecipient,
    uint256 _amount,
    bytes calldata _data
  ) external returns (bool _success);

  /**
   * @notice Handle a burn action for a specific strategy
   * @param _asset The address of the asset to burn
   * @param _user The user whose assets are being burned
   * @param _amount The amount to burn
   * @param _data Extra data needed by some modules
   * @dev In case of failure, the `newIntent` flow will revert
   */
  function handleBurnStrategy(address _asset, address _user, uint256 _amount, bytes calldata _data) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

import {IEverclear} from 'interfaces/common/IEverclear.sol';
import {IPermit2} from 'interfaces/common/IPermit2.sol';

import {ISettlementModule} from 'interfaces/common/ISettlementModule.sol';
import {ICallExecutor} from 'interfaces/intent/ICallExecutor.sol';
import {ISpokeGateway} from 'interfaces/intent/ISpokeGateway.sol';

/**
 * @title ISpokeStorage
 * @notice Interface for the SpokeStorage contract
 */
interface ISpokeStorage is IEverclear {
  /*///////////////////////////////////////////////////////////////
                              STRUCTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Parameters needed to initiliaze `EverclearSpoke`
   * @param gateway The local `SpokeGateway`
   * @param callExecutor The local `CallExecutor`
   * @param messageReceiver The address for the `SpokeMessageReceiver` module
   * @param lighthouse The address for the Lighthouse agent
   * @param watchtower The address for the Watchtower agent
   * @param hubDomain The chain id for the Everclear domain
   * @param owner The initial owner of the contract
   */
  struct SpokeInitializationParams {
    ISpokeGateway gateway;
    ICallExecutor callExecutor;
    address messageReceiver;
    address lighthouse;
    address watchtower;
    uint32 hubDomain;
    address owner;
  }

  /*///////////////////////////////////////////////////////////////
                              EVENTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice emitted when the Gateway address is updated
   * @param _oldGateway The address of the old gateway
   * @param _newGateway The address of the new gateway
   */
  event GatewayUpdated(address _oldGateway, address _newGateway);

  /**
   * @notice emitted when the Lighthouse address is updated
   * @param _oldLightHouse The address of the old lighthouse
   * @param _newLightHouse The address of the new lighthouse
   */
  event LighthouseUpdated(address _oldLightHouse, address _newLightHouse);

  /**
   * @notice emitted when the Watchtower address is updated
   * @param _oldWatchtower The address of the old watchtower
   * @param _newWatchtower The address of the new watchtower
   */
  event WatchtowerUpdated(address _oldWatchtower, address _newWatchtower);

  /**
   * @notice emitted when the MessageReceiver address is updated
   * @param _oldMessageReceiver The address of the old message receiver
   * @param _newMessageReceiver The address of the new message receiver
   */
  event MessageReceiverUpdated(address _oldMessageReceiver, address _newMessageReceiver);

  /**
   * @notice emitted when messageGasLimit is updated
   * @param _oldGasLimit The old gas limit
   * @param _newGasLimit The new gas limit
   */
  event MessageGasLimitUpdated(uint256 _oldGasLimit, uint256 _newGasLimit);

  /**
   * @notice emitted when the protocol is paused (domain-level)
   */
  event Paused();

  /**
   * @notice emitted when the protocol is paused (domain-level)
   */
  event Unpaused();

  /**
   * @notice emitted when a strategy is set for an asset
   * @param _asset The address of the asset being configured
   * @param _strategy The id for the strategy (see `enum Strategy`)
   */
  event StrategySetForAsset(address _asset, IEverclear.Strategy _strategy);

  /**
   * @notice emitted when the module is set for a strategy
   * @param _strategy The id for the strategy (see `enum Strategy`)
   * @param _module The settlement module
   */
  event ModuleSetForStrategy(IEverclear.Strategy _strategy, ISettlementModule _module);

  /**
   * @notice emitted when the EverclearSpoke processes a settlement
   * @param _intentId The ID of the intent
   * @param _account The address of the account
   * @param _asset The address of the asset
   * @param _amount The amount of the asset
   */
  event Settled(bytes32 indexed _intentId, address _account, address _asset, uint256 _amount);

  /**
   * @notice emitted when `_handleSettlement` fails to transfer tokens to a user (eg. blacklisted recipient)
   * @param _asset The address of the asset
   * @param _recipient The address of the recipient
   * @param _amount The amount of the asset
   */
  event AssetTransferFailed(address indexed _asset, address indexed _recipient, uint256 _amount);

  /**
   * @notice emitted when `_handleSettlement` fails to mint the non-default stategy asset
   * @param _asset The address of the asset
   * @param _recipient The address of the recipient
   * @param _amount The amount of the asset
   * @param _strategy The strategy used for the asset
   */
  event AssetMintFailed(address indexed _asset, address indexed _recipient, uint256 _amount, Strategy _strategy);

  /*///////////////////////////////////////////////////////////////
                              ERRORS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Thrown when the spoke is receiving a message from an address that is not the authorized gateway, admin or owner
   */
  error EverclearSpoke_Unauthorized();

  /**
   * @notice Thrown when a message is not a valid message type
   */
  error EverclearSpoke_InvalidMessageType();

  /**
   * @notice Thrown when the destination is wrong
   */
  error EverclearSpoke_WrongDestination();

  /**
   * @notice Thrown when a variable update is invalid
   */
  error EverclearSpoke_InvalidVarUpdate();

  /**
   * @notice Thrown when calling to a processQueue method with a zero amount
   */
  error EverclearSpoke_ProcessQueue_ZeroAmount();

  /**
   * @notice Thrown when calling to a processQueue method with an invalid amount
   * @param _first The index of the first element of the queue
   * @param _last The index of the last element of the queue
   * @param _amount The amount of items being tried to process
   */
  error EverclearSpoke_ProcessQueue_InvalidAmount(uint256 _first, uint256 _last, uint256 _amount);

  /**
   * @notice Thrown when calling a function with the zero address
   */
  error EverclearSpoke_ZeroAddress();

  /**
   * @notice Thrown when a function is called when the spoke is paused
   */
  error EverclearSpoke_Paused();

  /**
   * @notice Thrown when the caller is not authorized to pause the spoke
   */
  error EverclearSpoke_Pause_NotAuthorized();

  /*///////////////////////////////////////////////////////////////
                              VIEWS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice returns the typehash for `fillIntentForSolver`
   * @return _typeHash The `fillIntentForSolver` type hash
   */
  function FILL_INTENT_FOR_SOLVER_TYPEHASH() external view returns (bytes32 _typeHash);

  /**
   * @notice returns the typehash for `processIntentQueueViaRelayer`
   * @return _typeHash The `processIntentQueueViaRelayer` type hash
   */
  function PROCESS_INTENT_QUEUE_VIA_RELAYER_TYPEHASH() external view returns (bytes32 _typeHash);

  /**
   * @notice returns the typehash for `processFillQueueViaRelayer`
   * @return _typeHash The `processFillQueueViaRelayer` type hash
   */
  function PROCESS_FILL_QUEUE_VIA_RELAYER_TYPEHASH() external view returns (bytes32 _typeHash);

  /**
   * @notice returns the permit2 contract
   * @return _permit2 The Permit2 singleton address
   */
  function PERMIT2() external view returns (IPermit2 _permit2);

  /**
   * @notice returns the domain id for the Everclear rollup
   * @return _domain The id of the Everclear domain
   */
  function EVERCLEAR() external view returns (uint32 _domain);

  /**
   * @notice returns the current domain
   * @return _domain The id of the current domain
   */
  function DOMAIN() external view returns (uint32 _domain);

  /**
   * @notice returns the lighthouse address
   * @return _lighthouse The address of the Lighthouse agent
   */
  function lighthouse() external view returns (address _lighthouse);

  /**
   * @notice returns the watchtower address
   * @return _watchtower The address of the Watchtower agent
   */
  function watchtower() external view returns (address _watchtower);

  /**
   * @notice returns the message receiver address
   * @return _messageReceiver The address of the `SpokeMessageReceiver`
   */
  function messageReceiver() external view returns (address _messageReceiver);

  /**
   * @notice returns the gateway
   * @return _gateway The local `SpokeGateway`
   */
  function gateway() external view returns (ISpokeGateway _gateway);

  /**
   * @notice returns the call executor
   * @return _callExecutor The local `CallExecutor`
   */
  function callExecutor() external view returns (ICallExecutor _callExecutor);

  /**
   * @notice returns the paused status of the spoke
   * @return _paused The boolean indicating if the contract is paused
   */
  function paused() external view returns (bool _paused);

  /**
   * @notice returns the current intent nonce
   * @return _nonce The current nonce
   */
  function nonce() external view returns (uint64 _nonce);

  /**
   * @notice returns the gas limit used for outgoing messages
   * @return _messageGasLimit the max gas limit
   */
  function messageGasLimit() external view returns (uint256 _messageGasLimit);

  /**
   * @notice returns the balance of an asset for a user
   * @param _asset The address of the asset
   * @param _user The address of the user
   * @return _amount The amount of assets locked in the contract
   */
  function balances(bytes32 _asset, bytes32 _user) external view returns (uint256 _amount);

  /**
   * @notice returns the status of an intent
   * @param _intentId The ID of the intent
   * @return _status The status of the intent
   */
  function status(
    bytes32 _intentId
  ) external view returns (IntentStatus _status);

  /**
   * @notice returns the configured strategy id for an asset
   * @param _asset The address of the asset
   * @return _strategy The strategy for the asset
   */
  function strategies(
    address _asset
  ) external view returns (IEverclear.Strategy _strategy);

  /**
   * @notice returns the module address for a strategy
   * @param _strategy The strategy id
   * @return _module The strategy module
   */
  function modules(
    IEverclear.Strategy _strategy
  ) external view returns (ISettlementModule _module);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            return a / b;
        }

        // (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 = x * y; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.
            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.

            uint256 twos = denominator & (0 - denominator);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 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 (unsignedRoundsUp(rounding) && 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
     * towards zero.
     *
     * 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 + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        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 + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        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 + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);
        }
    }

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.20;

/**
 * @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
pragma solidity 0.8.25;

/**
 * @title ICallExecutor
 * @notice Interface for the CallExecutor contract, executes calls to external contracts
 */
interface ICallExecutor {
  /**
   * @notice Safely call a target contract, use when you _really_ really _really_ don't trust the called
   * contract. This prevents the called contract from causing reversion of the caller in as many ways as we can.
   * @param _target The address to call
   * @param _gas The amount of gas to forward to the remote contract
   * @param _value The value in wei to send to the remote contract
   * @param _maxCopy The maximum number of bytes of returndata to copy to memory
   * @param _calldata The data to send to the remote contract
   * @return _success Whether the call was successful
   * @return _returnData Returndata as `.call()`. Returndata is capped to `_maxCopy` bytes.
   */
  function excessivelySafeCall(
    address _target,
    uint256 _gas,
    uint256 _value,
    uint16 _maxCopy,
    bytes memory _calldata
  ) external returns (bool _success, bytes memory _returnData);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

import {IGateway} from 'interfaces/common/IGateway.sol';

/**
 * @title ISpokeGateway
 * @notice Interface for the SpokeGateway contract, sends and receives messages to and from the transport layer
 */
interface ISpokeGateway is IGateway {
  /*///////////////////////////////////////////////////////////////
                              LOGIC
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Initialize Gateway variables
   * @param _owner The address of the owner
   * @param _mailbox The address of the local mailbox
   * @param _receiver The address of the local message receiver (EverclearSpoke)
   * @param _interchainSecurityModule The address of the chosen interchain security module
   * @param _everclearId The id of the Everclear domain
   * @param _hubGateway The bytes32 representation of the Hub gateway
   * @dev Only called once on initialization
   */
  function initialize(
    address _owner,
    address _mailbox,
    address _receiver,
    address _interchainSecurityModule,
    uint32 _everclearId,
    bytes32 _hubGateway
  ) external;

  /*///////////////////////////////////////////////////////////////
                              VIEWS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Returns the Everclear hub chain id
   * @return _hubChainId The Everclear chain id
   */
  function EVERCLEAR_ID() external view returns (uint32 _hubChainId);

  /**
   * @notice Returns the `HubGateway` gateway address
   * @return _hubGateway The `HubGateway` address
   */
  function EVERCLEAR_GATEWAY() external view returns (bytes32 _hubGateway);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import {IMailbox} from '@hyperlane/interfaces/IMailbox.sol';

import {IMessageReceiver} from 'interfaces/common/IMessageReceiver.sol';

interface IGateway {
  /*///////////////////////////////////////////////////////////////
                              EVENTS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Emitted when the mailbox is updated
   * @param _oldMailbox The old mailbox address
   * @param _newMailbox The new mailbox address
   */
  event MailboxUpdated(address _oldMailbox, address _newMailbox);

  /**
   * @notice Emitted when the security module is updated
   * @param _oldSecurityModule The old security module address
   * @param _newSecurityModule The new security module address
   */
  event SecurityModuleUpdated(address _oldSecurityModule, address _newSecurityModule);

  /*///////////////////////////////////////////////////////////////
                              ERRORS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Thrown when the message origin is invalid
   */
  error Gateway_Handle_InvalidOriginDomain();

  /**
   * @notice Thrown when the sender is not the appropriate remote Gateway
   */
  error Gateway_Handle_InvalidSender();

  /**
   * @notice Thrown when the caller is not the local mailbox
   */
  error Gateway_Handle_NotCalledByMailbox();

  /**
   * @notice Thrown when the GasTank does not have enough native asset to cover the fee
   */
  error Gateway_SendMessage_InsufficientBalance();

  /**
   * @notice Thrown when the message dispatcher is not the local receiver
   */
  error Gateway_SendMessage_UnauthorizedCaller();

  /**
   * @notice Thrown when the call returning the unused fee fails
   */
  error Gateway_SendMessage_UnsuccessfulRebate();

  /**
   * @notice Thrown when an address equals the address zero
   */
  error Gateway_ZeroAddress();

  /*///////////////////////////////////////////////////////////////
                              LOGIC
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Send a message to the transport layer using the gas tank
   * @param _chainId The id of the destination chain
   * @param _message The message to send
   * @param _fee The fee to send the message
   * @param _gasLimit The gas limit to use on destination
   * @return _messageId The id message of the transport layer
   * @return _feeSpent The fee spent to send the message
   * @dev only called by the spoke contract
   */
  function sendMessage(
    uint32 _chainId,
    bytes memory _message,
    uint256 _fee,
    uint256 _gasLimit
  ) external returns (bytes32 _messageId, uint256 _feeSpent);

  /**
   * @notice Send a message to the transport layer
   * @param _chainId The id of the destination chain
   * @param _message The message to send
   * @param _gasLimit The gas limit to use on destination
   * @return _messageId The id message of the transport layer
   * @return _feeSpent The fee spent to send the message
   * @dev only called by the spoke contract
   */
  function sendMessage(
    uint32 _chainId,
    bytes memory _message,
    uint256 _gasLimit
  ) external payable returns (bytes32 _messageId, uint256 _feeSpent);

  /**
   * @notice Updates the mailbox
   * @param _mailbox The new mailbox address
   * @dev only called by the `receiver`
   */
  function updateMailbox(
    address _mailbox
  ) external;

  /**
   * @notice Updates the gateway security module
   * @param _securityModule The address of the new security module
   * @dev only called by the `receiver`
   */
  function updateSecurityModule(
    address _securityModule
  ) external;

  /*///////////////////////////////////////////////////////////////
                              VIEWS
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Returns the transport layer message routing smart contract
   * @dev this is independent of the transport layer used, adopting mailbox name because its descriptive enough
   *      using address instead of specific interface to be independent from HL or any other TL
   * @return _mailbox The mailbox contract
   */
  function mailbox() external view returns (IMailbox _mailbox);

  /**
   * @notice Returns the message receiver for this Gateway (EverclearHub / EverclearSpoke)
   * @return _receiver The message receiver
   */
  function receiver() external view returns (IMessageReceiver _receiver);

  /**
   * @notice Quotes cost of sending a message to the transport layer
   * @param _chainId The id of the destination chain
   * @param _message The message to send
   * @param _gasLimit The gas limit for delivering the message
   * @return _fee The fee to send the message
   */
  function quoteMessage(uint32 _chainId, bytes memory _message, uint256 _gasLimit) external view returns (uint256 _fee);
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

import {IInterchainSecurityModule} from "./IInterchainSecurityModule.sol";
import {IPostDispatchHook} from "./hooks/IPostDispatchHook.sol";

interface IMailbox {
    // ============ Events ============
    /**
     * @notice Emitted when a new message is dispatched via Hyperlane
     * @param sender The address that dispatched the message
     * @param destination The destination domain of the message
     * @param recipient The message recipient address on `destination`
     * @param message Raw bytes of message
     */
    event Dispatch(
        address indexed sender,
        uint32 indexed destination,
        bytes32 indexed recipient,
        bytes message
    );

    /**
     * @notice Emitted when a new message is dispatched via Hyperlane
     * @param messageId The unique message identifier
     */
    event DispatchId(bytes32 indexed messageId);

    /**
     * @notice Emitted when a Hyperlane message is processed
     * @param messageId The unique message identifier
     */
    event ProcessId(bytes32 indexed messageId);

    /**
     * @notice Emitted when a Hyperlane message is delivered
     * @param origin The origin domain of the message
     * @param sender The message sender address on `origin`
     * @param recipient The address that handled the message
     */
    event Process(
        uint32 indexed origin,
        bytes32 indexed sender,
        address indexed recipient
    );

    function localDomain() external view returns (uint32);

    function delivered(bytes32 messageId) external view returns (bool);

    function defaultIsm() external view returns (IInterchainSecurityModule);

    function defaultHook() external view returns (IPostDispatchHook);

    function requiredHook() external view returns (IPostDispatchHook);

    function latestDispatchedId() external view returns (bytes32);

    function dispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata messageBody
    ) external payable returns (bytes32 messageId);

    function quoteDispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata messageBody
    ) external view returns (uint256 fee);

    function dispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata body,
        bytes calldata defaultHookMetadata
    ) external payable returns (bytes32 messageId);

    function quoteDispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata messageBody,
        bytes calldata defaultHookMetadata
    ) external view returns (uint256 fee);

    function dispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata body,
        bytes calldata customHookMetadata,
        IPostDispatchHook customHook
    ) external payable returns (bytes32 messageId);

    function quoteDispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata messageBody,
        bytes calldata customHookMetadata,
        IPostDispatchHook customHook
    ) external view returns (uint256 fee);

    function process(
        bytes calldata metadata,
        bytes calldata message
    ) external payable;

    function recipientIsm(
        address recipient
    ) external view returns (IInterchainSecurityModule module);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**
 * @title IMessageReceiver
 * @notice Interface for the transport layer communication with the message receiver
 */
interface IMessageReceiver {
  /*///////////////////////////////////////////////////////////////
                              LOGIC
  //////////////////////////////////////////////////////////////*/

  /**
   * @notice Receive a message from the transport layer
   * @param _message The message to receive encoded as bytes
   * @dev This function should be called by the the gateway contract
   */
  function receiveMessage(
    bytes calldata _message
  ) external;
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.6.11;

interface IInterchainSecurityModule {
    enum Types {
        UNUSED,
        ROUTING,
        AGGREGATION,
        LEGACY_MULTISIG,
        MERKLE_ROOT_MULTISIG,
        MESSAGE_ID_MULTISIG,
        NULL, // used with relayer carrying no metadata
        CCIP_READ
    }

    /**
     * @notice Returns an enum that represents the type of security model
     * encoded by this ISM.
     * @dev Relayers infer how to fetch and format metadata.
     */
    function moduleType() external view returns (uint8);

    /**
     * @notice Defines a security model responsible for verifying interchain
     * messages based on the provided metadata.
     * @param _metadata Off-chain metadata provided by a relayer, specific to
     * the security model encoded by the module (e.g. validator signatures)
     * @param _message Hyperlane encoded interchain message
     * @return True if the message was verified
     */
    function verify(
        bytes calldata _metadata,
        bytes calldata _message
    ) external returns (bool);
}

interface ISpecifiesInterchainSecurityModule {
    function interchainSecurityModule()
        external
        view
        returns (IInterchainSecurityModule);
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

/*@@@@@@@       @@@@@@@@@
 @@@@@@@@@       @@@@@@@@@
  @@@@@@@@@       @@@@@@@@@
   @@@@@@@@@       @@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@
     @@@@@  HYPERLANE  @@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@
   @@@@@@@@@       @@@@@@@@@
  @@@@@@@@@       @@@@@@@@@
 @@@@@@@@@       @@@@@@@@@
@@@@@@@@@       @@@@@@@@*/

interface IPostDispatchHook {
    enum Types {
        UNUSED,
        ROUTING,
        AGGREGATION,
        MERKLE_TREE,
        INTERCHAIN_GAS_PAYMASTER,
        FALLBACK_ROUTING,
        ID_AUTH_ISM,
        PAUSABLE,
        PROTOCOL_FEE,
        LAYER_ZERO_V1
    }

    /**
     * @notice Returns an enum that represents the type of hook
     */
    function hookType() external view returns (uint8);

    /**
     * @notice Returns whether the hook supports metadata
     * @param metadata metadata
     * @return Whether the hook supports metadata
     */
    function supportsMetadata(
        bytes calldata metadata
    ) external view returns (bool);

    /**
     * @notice Post action after a message is dispatched via the Mailbox
     * @param metadata The metadata required for the hook
     * @param message The message passed from the Mailbox.dispatch() call
     */
    function postDispatch(
        bytes calldata metadata,
        bytes calldata message
    ) external payable;

    /**
     * @notice Compute the payment required by the postDispatch call
     * @param metadata The metadata required for the hook
     * @param message The message passed from the Mailbox.dispatch() call
     * @return Quoted payment for the postDispatch call
     */
    function quoteDispatch(
        bytes calldata metadata,
        bytes calldata message
    ) external view returns (uint256);
}

{
  "remappings": [
    "ds-test/=../../node_modules/ds-test/src/",
    "forge-std/=../../node_modules/forge-std/src/",
    "isolmate/=../../node_modules/isolmate/src/",
    "@hyperlane/=../../node_modules/@hyperlane-xyz/core/contracts/",
    "@openzeppelin/=../../node_modules/@openzeppelin/",
    "@upgrades/=lib/openzeppelin-foundry-upgrades/src/",
    "xerc20/=lib/xerc20/solidity/contracts/",
    "contracts/=src/contracts/",
    "interfaces/=src/interfaces/",
    "utils/=script/utils/",
    "@eth-optimism/=../../node_modules/@eth-optimism/",
    "@hyperlane-xyz/=../../node_modules/@hyperlane-xyz/",
    "@layerzerolabs/=../../node_modules/@layerzerolabs/",
    "erc4626-tests/=lib/xerc20/lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-gas-snapshot/=lib/xerc20/lib/permit2/lib/forge-gas-snapshot/src/",
    "fx-portal/=../../node_modules/fx-portal/",
    "openzeppelin-contracts/=lib/xerc20/lib/openzeppelin-contracts/",
    "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/",
    "openzeppelin/=lib/xerc20/lib/openzeppelin-contracts/contracts/",
    "permit2/=lib/xerc20/lib/permit2/",
    "prb-test/=lib/xerc20/lib/prb-test/src/",
    "prb/test/=lib/xerc20/lib/prb-test/src/",
    "solidity-stringutils/=lib/openzeppelin-foundry-upgrades/lib/solidity-stringutils/",
    "solmate/=lib/xerc20/lib/permit2/lib/solmate/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_spoke","type":"address"},{"internalType":"address","name":"_feeRecipient","type":"address"},{"internalType":"address","name":"_feeSigner","type":"address"},{"internalType":"address","name":"_xerc20Module","type":"address"},{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"AddressInsufficientBalance","type":"error"},{"inputs":[],"name":"ECDSAInvalidSignature","type":"error"},{"inputs":[{"internalType":"uint256","name":"length","type":"uint256"}],"name":"ECDSAInvalidSignatureLength","type":"error"},{"inputs":[{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"ECDSAInvalidSignatureS","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[],"name":"FeeAdapter_InvalidDeadline","type":"error"},{"inputs":[],"name":"FeeAdapter_InvalidSignature","type":"error"},{"inputs":[],"name":"MultipleOrderAssets","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"currentAllowance","type":"uint256"},{"internalType":"uint256","name":"requestedDecrease","type":"uint256"}],"name":"SafeERC20FailedDecreaseAllowance","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_updated","type":"address"},{"indexed":true,"internalType":"address","name":"_previous","type":"address"}],"name":"FeeRecipientUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_updated","type":"address"},{"indexed":true,"internalType":"address","name":"_previous","type":"address"}],"name":"FeeSignerUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"_intentId","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"_initiator","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"_tokenFee","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_nativeFee","type":"uint256"}],"name":"IntentWithFeesAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"_orderId","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"_initiator","type":"bytes32"},{"indexed":false,"internalType":"bytes32[]","name":"_intentIds","type":"bytes32[]"},{"indexed":false,"internalType":"uint256","name":"_tokenFee","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_nativeFee","type":"uint256"}],"name":"OrderCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"PERMIT2","outputs":[{"internalType":"contract IPermit2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeRecipient","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeSigner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32[]","name":"_destinations","type":"uint32[]"},{"internalType":"bytes32","name":"_receiver","type":"bytes32"},{"internalType":"address","name":"_inputAsset","type":"address"},{"internalType":"bytes32","name":"_outputAsset","type":"bytes32"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint24","name":"_maxFee","type":"uint24"},{"internalType":"uint48","name":"_ttl","type":"uint48"},{"internalType":"bytes","name":"_data","type":"bytes"},{"components":[{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"sig","type":"bytes"}],"internalType":"struct IFeeAdapter.FeeParams","name":"_feeParams","type":"tuple"}],"name":"newIntent","outputs":[{"internalType":"bytes32","name":"_intentId","type":"bytes32"},{"components":[{"internalType":"bytes32","name":"initiator","type":"bytes32"},{"internalType":"bytes32","name":"receiver","type":"bytes32"},{"internalType":"bytes32","name":"inputAsset","type":"bytes32"},{"internalType":"bytes32","name":"outputAsset","type":"bytes32"},{"internalType":"uint24","name":"maxFee","type":"uint24"},{"internalType":"uint32","name":"origin","type":"uint32"},{"internalType":"uint64","name":"nonce","type":"uint64"},{"internalType":"uint48","name":"timestamp","type":"uint48"},{"internalType":"uint48","name":"ttl","type":"uint48"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint32[]","name":"destinations","type":"uint32[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IEverclear.Intent","name":"_intent","type":"tuple"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint32[]","name":"_destinations","type":"uint32[]"},{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"address","name":"_inputAsset","type":"address"},{"internalType":"address","name":"_outputAsset","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint24","name":"_maxFee","type":"uint24"},{"internalType":"uint48","name":"_ttl","type":"uint48"},{"internalType":"bytes","name":"_data","type":"bytes"},{"components":[{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct IEverclearSpoke.Permit2Params","name":"_permit2Params","type":"tuple"},{"components":[{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"sig","type":"bytes"}],"internalType":"struct IFeeAdapter.FeeParams","name":"_feeParams","type":"tuple"}],"name":"newIntent","outputs":[{"internalType":"bytes32","name":"_intentId","type":"bytes32"},{"components":[{"internalType":"bytes32","name":"initiator","type":"bytes32"},{"internalType":"bytes32","name":"receiver","type":"bytes32"},{"internalType":"bytes32","name":"inputAsset","type":"bytes32"},{"internalType":"bytes32","name":"outputAsset","type":"bytes32"},{"internalType":"uint24","name":"maxFee","type":"uint24"},{"internalType":"uint32","name":"origin","type":"uint32"},{"internalType":"uint64","name":"nonce","type":"uint64"},{"internalType":"uint48","name":"timestamp","type":"uint48"},{"internalType":"uint48","name":"ttl","type":"uint48"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint32[]","name":"destinations","type":"uint32[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IEverclear.Intent","name":"_intent","type":"tuple"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint32[]","name":"_destinations","type":"uint32[]"},{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"address","name":"_inputAsset","type":"address"},{"internalType":"address","name":"_outputAsset","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint24","name":"_maxFee","type":"uint24"},{"internalType":"uint48","name":"_ttl","type":"uint48"},{"internalType":"bytes","name":"_data","type":"bytes"},{"components":[{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"sig","type":"bytes"}],"internalType":"struct IFeeAdapter.FeeParams","name":"_feeParams","type":"tuple"}],"name":"newIntent","outputs":[{"internalType":"bytes32","name":"_intentId","type":"bytes32"},{"components":[{"internalType":"bytes32","name":"initiator","type":"bytes32"},{"internalType":"bytes32","name":"receiver","type":"bytes32"},{"internalType":"bytes32","name":"inputAsset","type":"bytes32"},{"internalType":"bytes32","name":"outputAsset","type":"bytes32"},{"internalType":"uint24","name":"maxFee","type":"uint24"},{"internalType":"uint32","name":"origin","type":"uint32"},{"internalType":"uint64","name":"nonce","type":"uint64"},{"internalType":"uint48","name":"timestamp","type":"uint48"},{"internalType":"uint48","name":"ttl","type":"uint48"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint32[]","name":"destinations","type":"uint32[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IEverclear.Intent","name":"_intent","type":"tuple"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"},{"internalType":"uint256","name":"_deadline","type":"uint256"},{"internalType":"bytes","name":"_sig","type":"bytes"},{"components":[{"internalType":"uint32[]","name":"destinations","type":"uint32[]"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"inputAsset","type":"address"},{"internalType":"address","name":"outputAsset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint24","name":"maxFee","type":"uint24"},{"internalType":"uint48","name":"ttl","type":"uint48"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IFeeAdapter.OrderParameters[]","name":"_params","type":"tuple[]"}],"name":"newOrder","outputs":[{"internalType":"bytes32","name":"_orderId","type":"bytes32"},{"internalType":"bytes32[]","name":"_intentIds","type":"bytes32[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_numIntents","type":"uint32"},{"internalType":"uint256","name":"_fee","type":"uint256"},{"internalType":"uint256","name":"_deadline","type":"uint256"},{"internalType":"bytes","name":"_sig","type":"bytes"},{"components":[{"internalType":"uint32[]","name":"destinations","type":"uint32[]"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"inputAsset","type":"address"},{"internalType":"address","name":"outputAsset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint24","name":"maxFee","type":"uint24"},{"internalType":"uint48","name":"ttl","type":"uint48"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IFeeAdapter.OrderParameters","name":"_params","type":"tuple"}],"name":"newOrderSplitEvenly","outputs":[{"internalType":"bytes32","name":"_orderId","type":"bytes32"},{"internalType":"bytes32[]","name":"_intentIds","type":"bytes32[]"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_recipient","type":"address"}],"name":"returnUnsupportedIntent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"spoke","outputs":[{"internalType":"contract IEverclearSpokeV3","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeRecipient","type":"address"}],"name":"updateFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeSigner","type":"address"}],"name":"updateFeeSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"xerc20Module","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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000000000000000000000000a05a3380889115bf313f1db9d5f335157be4d816000000000000000000000000f20d5277ad2f301e2f18e2948ff3e72ad0a6dff9000000000000000000000000d148c7f37b346a4bd8e14f8c1f181f5f640481c8000000000000000000000000d1daf260951b8d350a4aed5c80d74fd7298c93f4000000000000000000000000f20d5277ad2f301e2f18e2948ff3e72ad0a6dff9

-----Decoded View---------------
Arg [0] : _spoke (address): 0xa05A3380889115bf313f1Db9d5f335157Be4D816
Arg [1] : _feeRecipient (address): 0xf20d5277aD2f301E2F18e2948fF3e72Ad0A6dfF9
Arg [2] : _feeSigner (address): 0xd148C7f37b346a4bD8e14f8c1f181f5f640481C8
Arg [3] : _xerc20Module (address): 0xD1daF260951B8d350a4AeD5C80d74Fd7298C93F4
Arg [4] : _owner (address): 0xf20d5277aD2f301E2F18e2948fF3e72Ad0A6dfF9

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000a05a3380889115bf313f1db9d5f335157be4d816
Arg [1] : 000000000000000000000000f20d5277ad2f301e2f18e2948ff3e72ad0a6dff9
Arg [2] : 000000000000000000000000d148c7f37b346a4bd8e14f8c1f181f5f640481c8
Arg [3] : 000000000000000000000000d1daf260951b8d350a4aed5c80d74fd7298c93f4
Arg [4] : 000000000000000000000000f20d5277ad2f301e2f18e2948ff3e72ad0a6dff9