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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { ECDSA } from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import { EIP712 } from "@openzeppelin/contracts/utils/cryptography/EIP712.sol";

import { IIntent } from "./interfaces/IIntent.sol";
import { IWETH } from "./interfaces/telecoin/IWETH.sol";

import { Whitelist } from "./libs/Whitelist.sol";
import { IntentProxy } from "./proxy/IntentProxy.sol";

/**
 * @title Intent
 * @notice Enables batching multiple contract calls in a single transaction
 * @dev Implements IIntent interface to execute multiple calls sequentially with EIP712 signatures
 */
contract Intent is IIntent, Whitelist, EIP712 {

    using ECDSA for bytes32;
    using SafeERC20 for IERC20;

    /**
     * @notice Address of this contract instance
     * @dev Used for self-calls with multicall
     */
    address public immutable SELF = address(this);

    /**
     * @notice EIP712 type hash for execute function
     * @dev Used for structured data hashing in execute and executeRaw
     */
    bytes32 public constant EXECUTE_INTENT_TYPEHASH = keccak256(
        "ExecuteIntent(address sender,bytes32 dataHash,bytes32 tokenID,string intent,Call[] calls,address[] refundTokens,uint256 deadline)Call(address target,bytes data,uint256 value)"
    );

    /**
     * @notice EIP712 type hash for executeRemote function
     * @dev Used for structured data hashing in executeRemote and executeRemoteRaw
     */
    bytes32 public constant EXECUTE_REMOTE_INTENT_TYPEHASH = keccak256(
        "ExecuteRemoteIntent(address sender,bytes32 dataHash,bytes32 tokenID,string intent,Call[] calls,address[] refundTokens,uint256 deadline)Call(address target,bytes data,uint256 value)"
    );

    /**
     * @notice EIP712 type hash for executeSignedAddress function
     * @dev Used for structured data hashing in executeSignedAddress
     */
    bytes32 public constant EXECUTE_INTENT_ADDRESS_TYPEHASH =
        keccak256("ExecuteIntentAddress(bytes32 delegateDataHash,uint256 deadline)");

    /**
     * @notice EIP712 type hash for Call struct
     * @dev Used for structured data hashing
     */
    bytes32 public constant CALL_TYPEHASH = keccak256("Call(address target,bytes data,uint256 value)");

    /**
     * @notice Mapping of used dataHashes for replay protection
     * @dev Prevents replay attacks by tracking used dataHash values
     */
    mapping(bytes32 => bool) public usedHashes;

    /// @notice Address of the wrapped native token contract
    address public immutable wrappedNativeToken;

    /**
     * @notice Constructor that sets up to 5 authorized signer addresses
     * @dev Addresses cannot be changed after deployment, initializes EIP712 domain
     * @param authorized Array of authorized addresses for signature verification
     */
    constructor(
        address wrappedNativeToken_,
        address[] memory authorized
    ) Whitelist(authorized) EIP712("Intent", "1") {
        wrappedNativeToken = wrappedNativeToken_;
    }

    /**
     * @notice Checks if a dataHash has been used
     * @dev Used for replay protection in signed messages
     * @param dataHash The dataHash to check
     * @return Whether the dataHash has been used
     */
    function isHashUsed(
        bytes32 dataHash
    ) external view returns (bool) {
        return usedHashes[dataHash];
    }

    /**
     * @notice Returns the domain separator used for EIP712 signatures
     * @dev Useful for off-chain signature generation
     * @return The EIP712 domain separator
     */
    function domainSeparatorV4() external view returns (bytes32) {
        return _domainSeparatorV4();
    }

    /**
     * @notice Calculate the address where IntentProxy will be deployed
     * @dev Uses CREATE2 to derive deterministic address
     * @param signed Whether this is for a signed intent execution
     * @param delegateData The delegate call data that will be used
     * @return The address where the IntentProxy will be deployed
     */
    function getIntentAddress(
        bool signed,
        bytes calldata delegateData
    ) external view returns (address) {
        _validateIntentSelector(delegateData);

        try this.decodeIntentParams(delegateData) { }
        catch {
            revert InvalidIntentData();
        }

        // Calculate CREATE2 address for IntentProxy
        return address(
            uint160(
                uint256(
                    keccak256(
                        abi.encodePacked(
                            bytes1(0xff),
                            address(this),
                            signed ? bytes32(uint256(1)) : bytes32(0),
                            keccak256(abi.encodePacked(type(IntentProxy).creationCode, abi.encode(delegateData)))
                        )
                    )
                )
            )
        );
    }

    /**
     * @notice Deploy and execute IntentProxy with the given delegate data
     * @dev Creates a new IntentProxy that executes the delegate call and self-destructs
     * @param delegateData The delegate call data to execute
     */
    function executeIntentAddress(
        bytes calldata delegateData
    ) external {
        _validateIntentSelector(delegateData);

        // Extract dataHash from ABI-encoded IntentParams: skip selector(4) + offset(32) = bytes 36:68
        bytes32 dataHash = bytes32(delegateData[36:68]);
        //  skip selector(4) + offset(32) + dataHash(32) + tokenID(32) + sender_padding(12) = bytes 112:132
        address trader = address(bytes20(delegateData[112:132]));
        // Deploy and execute the proxy with zero salt
        address intentAddress = address(new IntentProxy{ salt: bytes32(0) }(delegateData));

        emit IntentAddressDeploy(dataHash, trader, intentAddress);
    }

    /**
     * @notice Deploy and execute IntentProxy with the given delegate data (with signature verification)
     * @dev Creates a new IntentProxy that executes the delegate call and self-destructs after validating signature
     * @param delegateData The delegate call data to execute
     * @param deadline Expiration timestamp for the signature
     * @param signature EIP-712 signature from an authorized signer
     */
    function signedExecuteIntentAddress(
        bytes calldata delegateData,
        uint256 deadline,
        bytes calldata signature
    ) external {
        require(block.timestamp <= deadline, ExpiredDeadline());

        _validateIntentSelector(delegateData);

        // Create structured data hash for signature verification
        bytes32 structHash = keccak256(abi.encode(EXECUTE_INTENT_ADDRESS_TYPEHASH, keccak256(delegateData), deadline));

        bytes32 messageHash = _hashTypedDataV4(structHash);
        address signer = messageHash.recover(signature);

        require(_isWhitelisted(signer), InvalidSignature());

        // Extract dataHash from ABI-encoded IntentParams: skip selector(4) + offset(32) = bytes 36:68
        bytes32 dataHash = bytes32(delegateData[36:68]);
        //  skip selector(4) + offset(32) + dataHash(32) + tokenID(32) + sender_padding(12) = bytes 112:132
        address trader = address(bytes20(delegateData[112:132]));
        // Deploy and execute the proxy with signed salt
        address intentAddress = address(new IntentProxy{ salt: bytes32(uint256(1)) }(delegateData));

        emit SignedIntentAddressDeploy(dataHash, trader, intentAddress, signer);
    }

    /**
     * @notice Requests execution of multiple contract calls with no signature verification
     * @dev Emits intent request event and reverts if any call fails
     * @param params Intent execution parameters
     * @return results Array of bytes containing the return data from each call
     * @custom:emits IntentRequestedRaw when request is submitted
     */
    function execute(
        IntentParams calldata params
    ) external payable virtual returns (bytes[] memory results) {
        emit IntentRequested(params.dataHash, params.tokenID, params.sender, params.intent, msg.value);

        results = _multicall(params.calls);
        // refund any leftover ETH and tokens
        _refund(params.sender, params.refundTokens);
        return results;
    }

    /**
     * @notice Executes multiple contract calls in a single transaction with no signature verification
     * @dev Uses delegatecall for IntentProxy compatibility
     * @param params Intent execution parameters
     * @return results Array of bytes containing the return data from each call
     * @custom:emits IntentExecutedRaw on successful execution
     * @custom:emits IntentFailedRaw on call failure with automatic refund
     */
    function remoteExecute(
        IntentParams calldata params
    ) external payable virtual returns (bytes[] memory results) {
        // Execute multicall via delegatecall
        (bool success, bytes memory returnData, bytes[] memory _results) = _delegateMulticall(params.calls);

        if (success) {
            emit IntentExecuted(params.dataHash, params.tokenID, params.sender, params.intent, msg.value);
        } else {
            emit IntentFailed(params.dataHash, params.tokenID, params.sender, params.intent, msg.value, returnData);
        }

        // Always refund leftover ETH and tokens
        _refund(params.sender, params.refundTokens);
        return _results;
    }

    /**
     * @notice Requests execution of multiple contract calls with signature verification
     * @dev Emits intent request event and reverts if any call fails or signature is invalid
     * @param params Intent execution parameters
     * @param deadline Expiration timestamp for the signature
     * @param signature EIP-712 signature from an authorized signer
     * @return results Array of bytes containing the return data from each call
     * @custom:emits IntentRequested when request is submitted
     * @custom:throws InvalidSignature if the signature is invalid or not from an authorized signer
     */
    function signedExecute(
        IntentParams calldata params,
        uint256 deadline,
        bytes calldata signature
    ) external payable virtual returns (bytes[] memory results) {
        require(block.timestamp <= deadline, ExpiredDeadline());
        require(!usedHashes[params.dataHash], DataHashAlreadyUsed());

        // Create structured data hash using EIP712
        bytes32 structHash = _hashIntentParams(EXECUTE_INTENT_TYPEHASH, params, deadline);
        bytes32 messageHash = _hashTypedDataV4(structHash);
        address signer = messageHash.recover(signature);

        require(_isWhitelisted(signer), InvalidSignature());

        // Mark dataHash as used
        usedHashes[params.dataHash] = true;

        emit SignedIntentRequested(params.dataHash, params.tokenID, params.sender, params.intent, msg.value, signer);

        results = _multicall(params.calls);
        _refund(params.sender, params.refundTokens);
        return results;
    }

    /**
     * @notice Executes multiple contract calls in a single transaction with signature verification
     * @dev Uses delegatecall for IntentProxy compatibility
     * @param params Intent execution parameters
     * @param deadline Expiration timestamp for the signature
     * @param signature EIP-712 signature from an authorized signer
     * @return results Array of bytes containing the return data from each call
     * @custom:emits IntentExecuted on successful execution
     * @custom:emits IntentFailed on call failure with automatic refund
     * @custom:throws InvalidSignature if the signature is invalid or not from an authorized signer
     */
    function signedRemoteExecute(
        IntentParams calldata params,
        uint256 deadline,
        bytes calldata signature
    ) external payable virtual returns (bytes[] memory results) {
        require(block.timestamp <= deadline, ExpiredDeadline());
        require(!usedHashes[params.dataHash], DataHashAlreadyUsed());

        // Create structured data hash using EIP712
        bytes32 structHash = _hashIntentParams(EXECUTE_REMOTE_INTENT_TYPEHASH, params, deadline);
        bytes32 messageHash = _hashTypedDataV4(structHash);
        address signer = messageHash.recover(signature);

        require(_isWhitelisted(signer), InvalidSignature());

        // Mark dataHash as used
        usedHashes[params.dataHash] = true;

        // Execute multicall via delegatecall
        (bool success, bytes memory returnData, bytes[] memory _results) = _delegateMulticall(params.calls);

        if (success) {
            emit SignedIntentExecuted(params.dataHash, params.tokenID, params.sender, params.intent, msg.value, signer);
        } else {
            emit SignedIntentFailed(
                params.dataHash, params.tokenID, params.sender, params.intent, msg.value, returnData
            );
        }

        // Always refund leftover ETH and tokens
        _refund(params.sender, params.refundTokens);
        return _results;
    }

    /**
     * @notice Public multicall function restricted to self-calls only
     * @dev This function can only be called by the contract itself (used by executeRemote functions)
     * @param calls Array of Call structs containing target addresses, values, and call data
     * @return results Array of bytes containing the return data from each call
     * @custom:throws Unauthorized if called by any address other than this contract
     * @custom:throws CallFailed if any individual call reverts
     */
    function multicall(
        Call[] calldata calls
    ) public payable virtual returns (bytes[] memory) {
        return _multicall(calls);
    }

    /**
     * @notice Decodes IntentParams from delegate call data based on the function selector
     * @dev Parses the function selector and extracts IntentParams from the encoded data
     *      Supports both signed and public execution methods, validating signature length for signed calls
     * @param delegateData The complete delegate call data including selector and encoded parameters
     * @return params The decoded IntentParams struct containing sender, calls, and refund information
     * @custom:throws InvalidIntentData if selector is unsupported or signature length is invalid
     */
    function decodeIntentParams(
        bytes calldata delegateData
    ) external pure returns (IntentParams memory params) {
        bytes4 selector = bytes4(delegateData[:4]);
        bytes calldata data = delegateData[4:];

        if (selector == this.signedRemoteExecute.selector || selector == this.signedExecute.selector) {
            uint256 deadline;
            bytes memory signature;
            (params, deadline, signature) = abi.decode(data, (IntentParams, uint256, bytes));
            if (signature.length != 65) {
                revert InvalidIntentData();
            }
            return params;
        }
        if (selector == this.remoteExecute.selector || selector == this.execute.selector) {
            params = abi.decode(data, (IntentParams));
            return params;
        }

        revert InvalidIntentData();
    }

    /**
     * @notice Internal function to execute multiple contract calls in a single transaction
     * @dev Reverts if any of the calls fail
     * @param calls Array of Call structs containing target addresses, values, and call data
     * @return results Array of bytes containing the return data from each call
     * @custom:throws CallFailed if any individual call reverts
     */
    function _multicall(
        Call[] calldata calls
    ) internal virtual returns (bytes[] memory) {
        uint256 length = calls.length;
        bytes[] memory results = new bytes[](length);

        // Execute each call sequentially
        for (uint256 i = 0; i < length; ++i) {
            // Perform low-level call with specified value and data
            // slither-disable-next-line arbitrary-send-eth
            (bool success, bytes memory result) = calls[i].target.call{ value: calls[i].value }(calls[i].data);

            // Revert if the call failed
            if (!success) {
                revert CallFailed();
            }

            // Store the call result
            results[i] = result;
        }

        return results;
    }

    /**
     * @notice Executes multicall via delegatecall for IntentProxy compatibility
     * @dev Returns success flag, raw return data, and results array
     * @param calls Array of Call structs to execute
     * @return success Whether the delegatecall succeeded
     * @return returnData The raw return data from the delegatecall (always returned)
     * @return results Array of bytes containing return data from each call (empty array on failure)
     */
    function _delegateMulticall(
        Call[] calldata calls
    ) internal returns (bool success, bytes memory returnData, bytes[] memory results) {
        // Encode the multicall function call
        bytes memory multicallData = abi.encodeWithSelector(this.multicall.selector, calls);

        // Execute delegatecall
        (success, returnData) = SELF.delegatecall(multicallData);

        if (success) {
            // Decode and return the results
            results = abi.decode(returnData, (bytes[]));
        } else {
            // Return empty array on failure
            results = new bytes[](0);
        }
    }

    /**
     * @notice Validates that delegate data contains a valid function selector for proxy execution
     * @dev Only executeRemoteRaw selector is allowed since proxies cannot handle signature verification
     * @param delegateData The delegate call data to validate
     * @custom:throws OnlyRemoteMethodsAllowed if selector is not executeRemoteRaw
     */
    function _validateIntentSelector(
        bytes calldata delegateData
    ) internal pure {
        bytes4 selector = bytes4(delegateData[:4]);
        if (selector != this.remoteExecute.selector) {
            revert OnlyRemoteExecute();
        }
    }

    /**
     * @notice Refunds leftover ETH and tokens to the sender
     * @dev Handles refunding of any remaining ETH and specified ERC20 tokens
     * @param sender The address to refund to
     * @param refundTokens Array of token addresses to refund (if any)
     * @custom:throws RefundFailed if ETH refund fails
     */
    function _refund(
        address sender,
        address[] memory refundTokens
    ) internal {
        // Refund any leftover ETH
        uint256 ethBalance = address(this).balance;
        if (ethBalance > 0) {
            // Intentionally allow transfer to fail for refunds
            (bool success,) = sender.call{ value: ethBalance }("");
            success;
            if (!success) {
                IWETH(wrappedNativeToken).deposit{ value: ethBalance }();
                IERC20(wrappedNativeToken).safeTransfer(sender, ethBalance);
            }
        }

        // Refund any specified tokens
        for (uint256 i = 0; i < refundTokens.length; ++i) {
            if (refundTokens[i] != address(0)) {
                // Get token balance
                uint256 balance = IERC20(refundTokens[i]).balanceOf(address(this));
                if (balance > 0) {
                    // Intentionally allow transfer to fail for refunds
                    try IERC20(refundTokens[i]).transfer(sender, balance) { } catch { }
                }
            }
        }
    }

    /**
     * @notice Hashes IntentParams struct according to EIP712
     * @dev Creates a hash of the entire IntentParams structure including nested Call array
     * @param typeHash The EIP712 type hash to use for this specific method
     * @param params Intent execution parameters
     * @param deadline Expiration timestamp
     * @return Hash of the structured data
     */
    function _hashIntentParams(
        bytes32 typeHash,
        IntentParams calldata params,
        uint256 deadline
    ) internal pure returns (bytes32) {
        bytes32[] memory callHashes = new bytes32[](params.calls.length);
        for (uint256 i = 0; i < params.calls.length; i++) {
            callHashes[i] = keccak256(
                abi.encode(
                    CALL_TYPEHASH, params.calls[i].target, keccak256(params.calls[i].data), params.calls[i].value
                )
            );
        }

        return keccak256(
            abi.encode(
                typeHash,
                params.sender,
                params.dataHash,
                params.tokenID,
                keccak256(bytes(params.intent)),
                keccak256(abi.encodePacked(callHashes)),
                keccak256(abi.encodePacked(params.refundTokens)),
                deadline
            )
        );
    }

}

// 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/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/EIP712.sol)

pragma solidity ^0.8.20;

import {MessageHashUtils} from "./MessageHashUtils.sol";
import {ShortStrings, ShortString} from "../ShortStrings.sol";
import {IERC5267} from "../../interfaces/IERC5267.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
 *
 * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose
 * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract
 * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to
 * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`.
 *
 * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
 * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
 * ({_hashTypedDataV4}).
 *
 * The implementation of the domain separator was designed to be as efficient as possible while still properly updating
 * the chain id to protect against replay attacks on an eventual fork of the chain.
 *
 * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
 * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
 *
 * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain
 * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the
 * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.
 *
 * @custom:oz-upgrades-unsafe-allow state-variable-immutable
 */
abstract contract EIP712 is IERC5267 {
    using ShortStrings for *;

    bytes32 private constant TYPE_HASH =
        keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");

    // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to
    // invalidate the cached domain separator if the chain id changes.
    bytes32 private immutable _cachedDomainSeparator;
    uint256 private immutable _cachedChainId;
    address private immutable _cachedThis;

    bytes32 private immutable _hashedName;
    bytes32 private immutable _hashedVersion;

    ShortString private immutable _name;
    ShortString private immutable _version;
    string private _nameFallback;
    string private _versionFallback;

    /**
     * @dev Initializes the domain separator and parameter caches.
     *
     * The meaning of `name` and `version` is specified in
     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
     *
     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
     * - `version`: the current major version of the signing domain.
     *
     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
     * contract upgrade].
     */
    constructor(string memory name, string memory version) {
        _name = name.toShortStringWithFallback(_nameFallback);
        _version = version.toShortStringWithFallback(_versionFallback);
        _hashedName = keccak256(bytes(name));
        _hashedVersion = keccak256(bytes(version));

        _cachedChainId = block.chainid;
        _cachedDomainSeparator = _buildDomainSeparator();
        _cachedThis = address(this);
    }

    /**
     * @dev Returns the domain separator for the current chain.
     */
    function _domainSeparatorV4() internal view returns (bytes32) {
        if (address(this) == _cachedThis && block.chainid == _cachedChainId) {
            return _cachedDomainSeparator;
        } else {
            return _buildDomainSeparator();
        }
    }

    function _buildDomainSeparator() private view returns (bytes32) {
        return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));
    }

    /**
     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
     * function returns the hash of the fully encoded EIP712 message for this domain.
     *
     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
     *
     * ```solidity
     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
     *     keccak256("Mail(address to,string contents)"),
     *     mailTo,
     *     keccak256(bytes(mailContents))
     * )));
     * address signer = ECDSA.recover(digest, signature);
     * ```
     */
    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
        return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);
    }

    /**
     * @dev See {IERC-5267}.
     */
    function eip712Domain()
        public
        view
        virtual
        returns (
            bytes1 fields,
            string memory name,
            string memory version,
            uint256 chainId,
            address verifyingContract,
            bytes32 salt,
            uint256[] memory extensions
        )
    {
        return (
            hex"0f", // 01111
            _EIP712Name(),
            _EIP712Version(),
            block.chainid,
            address(this),
            bytes32(0),
            new uint256[](0)
        );
    }

    /**
     * @dev The name parameter for the EIP712 domain.
     *
     * NOTE: By default this function reads _name which is an immutable value.
     * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).
     */
    // solhint-disable-next-line func-name-mixedcase
    function _EIP712Name() internal view returns (string memory) {
        return _name.toStringWithFallback(_nameFallback);
    }

    /**
     * @dev The version parameter for the EIP712 domain.
     *
     * NOTE: By default this function reads _version which is an immutable value.
     * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).
     */
    // solhint-disable-next-line func-name-mixedcase
    function _EIP712Version() internal view returns (string memory) {
        return _version.toStringWithFallback(_versionFallback);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

/**
 * @title Intent Interface
 * @notice Interface for batching multiple contract calls in a single transaction
 * @dev Enables atomic execution of multiple function calls
 */
interface IIntent {

    /**
     * @notice Thrown when any call in the batch fails
     * @dev Reverts the entire transaction if any call fails
     */
    error CallFailed();

    /**
     * @notice Thrown when the signature is invalid
     * @dev Used to indicate that the provided signature does not match the expected format
     */
    error InvalidSignature();

    /**
     * @notice Thrown when delegate data contains invalid function selector
     * @dev Only remoteExecute selector is allowed for delegate calls
     */
    error OnlyRemoteExecute();

    /**
     * @notice Thrown when intent data is invalid
     * @dev Used to indicate that the provided intent parameters are not valid
     */
    error InvalidIntentData();

    /**
     * @notice Thrown when the deadline has expired
     * @dev Used when block.timestamp exceeds the provided deadline
     */
    error ExpiredDeadline();

    /**
     * @notice Thrown when a dataHash has already been used
     * @dev Prevents replay attacks by ensuring each dataHash is only used once
     */
    error DataHashAlreadyUsed();

    /**
     * @notice Parameters for a single call in the batch
     * @param target Address of the contract to call
     * @param data Encoded function call data
     * @param value Amount of native currency to send with the call
     */
    struct Call {
        address target;
        bytes data;
        uint256 value;
    }

    /**
     * @notice Parameters for intent execution
     * @param sender Address of the sender executing the intent
     * @param dataHash Unique identifier hash for this execution
     * @param tokenID Identifier for the token this execution is related to
     * @param intent String description of the operation's intent
     * @param calls Array of Call structs containing target addresses, values, and call data
     * @param refundTokens Array of token addresses to refund any leftover balances
     */
    struct IntentParams {
        bytes32 dataHash;
        bytes32 tokenID;
        address sender;
        string intent;
        Call[] calls;
        address[] refundTokens;
    }

    /**
     * @notice Emitted when an intent is requested (without signature verification)
     * @param trader Address of the trader requesting the intent
     * @param dataHash Unique identifier for the intent
     * @param tokenID Unique identifier for the token
     * @param intent The intent being requested
     * @param value The value associated with the intent
     */
    event IntentRequested(
        bytes32 indexed dataHash, bytes32 indexed tokenID, address indexed trader, string intent, uint256 value
    );

    /**
     * @notice Emitted when an intent is successfully executed (without signature verification)
     * @param trader Address of the trader whose intent was executed
     * @param dataHash Unique identifier for the intent
     * @param tokenID Unique identifier for the token
     * @param intent The intent that was executed
     * @param value The value associated with the intent
     */
    event IntentExecuted(
        bytes32 indexed dataHash, bytes32 indexed tokenID, address indexed trader, string intent, uint256 value
    );

    /**
     * @notice Emitted when an intent fails to execute (without signature verification)
     * @param trader Address of the trader whose intent failed
     * @param dataHash Unique identifier for the intent
     * @param tokenID Unique identifier for the token
     * @param intent The intent that failed
     * @param value The value associated with the intent
     * @param reason The failure reason from the contract call
     */
    event IntentFailed(
        bytes32 indexed dataHash,
        bytes32 indexed tokenID,
        address indexed trader,
        string intent,
        uint256 value,
        bytes reason
    );

    /**
     * @notice Emitted when an intent is requested
     * @param trader Address of the trader requesting the intent
     * @param dataHash Unique identifier for the intent
     * @param tokenID Unique identifier for the token
     * @param intent The intent being requested
     * @param value The value associated with the intent
     */
    event SignedIntentRequested(
        bytes32 indexed dataHash,
        bytes32 indexed tokenID,
        address indexed trader,
        string intent,
        uint256 value,
        address signer
    );

    /**
     * @notice Emitted when an intent is successfully executed
     * @param trader Address of the trader whose intent was executed
     * @param dataHash Unique identifier for the intent
     * @param tokenID Unique identifier for the token
     * @param intent The intent that was executed
     * @param value The value associated with the intent
     */
    event SignedIntentExecuted(
        bytes32 indexed dataHash,
        bytes32 indexed tokenID,
        address indexed trader,
        string intent,
        uint256 value,
        address signer
    );

    /**
     * @notice Emitted when an intent fails to execute
     * @param trader Address of the trader whose intent failed
     * @param dataHash Unique identifier for the intent
     * @param tokenID Unique identifier for the token
     * @param intent The intent that failed
     * @param value The value associated with the intent
     * @param reason The failure reason from the contract call
     */
    event SignedIntentFailed(
        bytes32 indexed dataHash,
        bytes32 indexed tokenID,
        address indexed trader,
        string intent,
        uint256 value,
        bytes reason
    );

    /**
     * @notice Emitted when an IntentProxy is deployed via executeIntentAddress
     * @param dataHash The hash of the intent data
     * @param intentAddress The deployed proxy address
     */
    event IntentAddressDeploy(bytes32 indexed dataHash, address indexed trader, address indexed intentAddress);

    /**
     * @notice Emitted when an IntentProxy is deployed via signedExecuteIntentAddress
     * @param dataHash The hash of the intent data
     * @param intentAddress The deployed proxy address
     */
    event SignedIntentAddressDeploy(
        bytes32 indexed dataHash, address indexed trader, address indexed intentAddress, address signer
    );

    /**
     * @notice Checks if a dataHash has been used
     * @dev Used for replay protection in signed messages
     * @param dataHash The dataHash to check
     * @return Whether the dataHash has been used
     */
    function isHashUsed(
        bytes32 dataHash
    ) external view returns (bool);

    /**
     * @notice Returns the domain separator used for EIP712 signatures
     * @dev Useful for off-chain signature generation
     * @return The EIP712 domain separator
     */
    function domainSeparatorV4() external view returns (bytes32);

    /**
     * @notice Calculate the address where IntentProxy will be deployed
     * @dev Uses CREATE2 to derive deterministic address
     * @param signed Whether this is for a signed intent execution
     * @param delegateData The delegate call data that will be used
     * @return The address where the IntentProxy will be deployed
     */
    function getIntentAddress(
        bool signed,
        bytes calldata delegateData
    ) external view returns (address);

    /**
     * @notice Deploy and execute IntentProxy with the given delegate data (unsigned)
     * @dev Creates a new IntentProxy that executes the delegate call and self-destructs
     * @param delegateData The delegate call data to execute
     */
    function executeIntentAddress(
        bytes calldata delegateData
    ) external;

    /**
     * @notice Deploy and execute IntentProxy with the given delegate data (with signature verification)
     * @dev Creates a new IntentProxy that executes the delegate call and self-destructs after validating signature
     * @param delegateData The delegate call data to execute
     * @param deadline Expiration timestamp for the signature
     * @param signature EIP-712 signature from an authorized signer
     */
    function signedExecuteIntentAddress(
        bytes calldata delegateData,
        uint256 deadline,
        bytes calldata signature
    ) external;

    /**
     * @notice Executes multiple contract calls in a single transaction without signature verification
     * @dev All calls are executed sequentially and atomically
     * @param params Intent execution parameters
     * @return results Array containing the return data from each call
     * @custom:throws CallFailed if any call in the batch fails
     */
    function execute(
        IntentParams calldata params
    ) external payable returns (bytes[] memory results);

    /**
     * @notice Executes multiple contract calls in a single transaction with no signature verification
     * @dev Uses try-catch to handle call failures gracefully with refunds and failure events
     * @param params Intent execution parameters
     * @return results Array of bytes containing the return data from each call
     * @custom:emits IntentExecuted on successful execution
     * @custom:emits IntentFailed on call failure with automatic refund
     */
    function remoteExecute(
        IntentParams calldata params
    ) external payable returns (bytes[] memory results);

    /**
     * @notice Executes multiple contract calls in a single transaction with signature verification
     * @dev All calls are executed sequentially and atomically
     * @param params Intent execution parameters
     * @param deadline Expiration timestamp for the signature
     * @param signature EIP-712 signature from an authorized signer
     * @return results Array containing the return data from each call
     * @custom:throws CallFailed if any call in the batch fails
     * @custom:throws InvalidSignature if the signature is invalid or not from an authorized signer
     */
    function signedExecute(
        IntentParams calldata params,
        uint256 deadline,
        bytes calldata signature
    ) external payable returns (bytes[] memory results);

    /**
     * @notice Executes multiple contract calls in a single transaction with signature verification
     * @dev Uses try-catch to handle call failures gracefully with refunds and failure events
     * @param params Intent execution parameters
     * @param deadline Expiration timestamp for the signature
     * @param signature EIP-712 signature from an authorized signer
     * @return results Array of bytes containing the return data from each call
     * @custom:emits IntentExecuted on successful execution
     * @custom:emits IntentFailed on call failure with automatic refund
     * @custom:throws InvalidSignature if the signature is invalid or not from an authorized signer
     */
    function signedRemoteExecute(
        IntentParams calldata params,
        uint256 deadline,
        bytes calldata signature
    ) external payable returns (bytes[] memory results);

    /**
     * @notice Executes multiple contract calls in a single transaction
     * @dev All calls are executed sequentially and atomically
     * @param calls Array of Call structs containing call parameters
     * @return results Array containing the return data from each call
     * @custom:throws CallFailed if any call in the batch fails
     */
    function multicall(
        Call[] calldata calls
    ) external payable returns (bytes[] memory results);

    /**
     * @notice Decodes intent parameters from delegate data
     * @dev Extracts IntentParams from encoded function calls
     * @param delegateData The delegate call data to decode
     * @return params The decoded intent parameters
     */
    function decodeIntentParams(
        bytes calldata delegateData
    ) external pure returns (IntentParams memory params);

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

/**
 * @title IWETH
 * @notice Interface for Wrapped Ether (WETH) - an ERC20 token that wraps native ETH
 */
interface IWETH {

    /**
     * @notice Deposits native ETH into the contract to mint WETH tokens
     * @dev The amount of WETH minted equals the amount of ETH sent with the transaction
     */
    function deposit() external payable;

    /**
     * @notice Unwraps WETH back to ETH by burning tokens and transferring ETH
     * @param wad Amount of WETH to unwrap into ETH
     */
    function withdraw(
        uint256 wad
    ) external;

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

/**
 * @title Whitelist
 * @notice Abstract contract for managing a whitelist of authorized addresses
 * @dev Provides validation functionality for up to 5 authorized addresses.
 *      This is an abstract contract that must be inherited by other contracts
 *      to provide whitelist-based access control functionality.
 */
abstract contract Whitelist {

    /**
     * @notice Error thrown when too many addresses are provided
     * @dev Maximum of 5 addresses allowed
     */
    error TooManyAddresses();

    /**
     * @notice Error thrown when zero address is provided in whitelist
     * @dev All whitelist addresses must be non-zero
     */
    error ZeroAddressNotAllowed();

    /**
     * @notice First whitelisted signer address
     * @dev Can be address(0) if not set in constructor
     */
    address public immutable whitelisted1;

    /**
     * @notice Second whitelisted signer address
     * @dev Can be address(0) if not set in constructor
     */
    address public immutable whitelisted2;

    /**
     * @notice Third whitelisted signer address
     * @dev Can be address(0) if not set in constructor
     */
    address public immutable whitelisted3;

    /**
     * @notice Fourth whitelisted signer address
     * @dev Can be address(0) if not set in constructor
     */
    address public immutable whitelisted4;

    /**
     * @notice Fifth whitelisted signer address
     * @dev Can be address(0) if not set in constructor
     */
    address public immutable whitelisted5;

    /**
     * @notice Constructor that sets up to 5 authorized signer addresses
     * @dev Addresses cannot be changed after deployment
     * @param authorized Array of authorized addresses for signature verification
     */
    constructor(
        address[] memory authorized
    ) {
        if (authorized.length > 5) {
            revert TooManyAddresses();
        }

        for (uint256 i = 0; i < authorized.length; ++i) {
            if (authorized[i] == address(0)) {
                revert ZeroAddressNotAllowed();
            }
        }

        whitelisted1 = authorized.length > 0 ? authorized[0] : address(0);
        whitelisted2 = authorized.length > 1 ? authorized[1] : address(0);
        whitelisted3 = authorized.length > 2 ? authorized[2] : address(0);
        whitelisted4 = authorized.length > 3 ? authorized[3] : address(0);
        whitelisted5 = authorized.length > 4 ? authorized[4] : address(0);
    }

    /**
     * @notice Checks if an address is whitelisted
     * @dev Compares against all configured authorized addresses
     * @param account The address to check for whitelist status
     * @return True if the account is in the whitelist, false otherwise
     */
    function _isWhitelisted(
        address account
    ) internal view returns (bool) {
        return account != address(0)
            && (account == whitelisted1
                || account == whitelisted2
                || account == whitelisted3
                || account == whitelisted4
                || account == whitelisted5);
    }

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

/**
 * @title IntentProxy
 * @notice Proxy contract for executing Intent operations with deterministic addresses
 * @dev Creates deterministic proxy instances via CREATE2, executes delegate calls, then self-destructs
 *      Used to provide deterministic addresses for complex multi-call operations
 */
contract IntentProxy {

    /**
     * @notice Initializes the proxy and executes delegate call
     * @dev Delegates call to the sender (Intent contract) and self-destructs after execution
     * @param delegateData The delegate call data to execute
     */
    constructor(
        bytes memory delegateData
    ) {
        (bool success, bytes memory data) = msg.sender.delegatecall(delegateData);

        if (!success) {
            assembly {
                revert(add(32, data), mload(data))
            }
        }

        selfdestruct(payable(msg.sender));
    }

    /**
     * @notice Allows the proxy to receive ETH
     * @dev Required for implementation to handle ETH transfers
     * @dev Used to unwrap WETH tokens back to ETH
     */
    receive() external payable { }

}

// 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/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/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
// OpenZeppelin Contracts (last updated v5.0.0) (utils/ShortStrings.sol)

pragma solidity ^0.8.20;

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

// | string  | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA   |
// | length  | 0x                                                              BB |
type ShortString is bytes32;

/**
 * @dev This library provides functions to convert short memory strings
 * into a `ShortString` type that can be used as an immutable variable.
 *
 * Strings of arbitrary length can be optimized using this library if
 * they are short enough (up to 31 bytes) by packing them with their
 * length (1 byte) in a single EVM word (32 bytes). Additionally, a
 * fallback mechanism can be used for every other case.
 *
 * Usage example:
 *
 * ```solidity
 * contract Named {
 *     using ShortStrings for *;
 *
 *     ShortString private immutable _name;
 *     string private _nameFallback;
 *
 *     constructor(string memory contractName) {
 *         _name = contractName.toShortStringWithFallback(_nameFallback);
 *     }
 *
 *     function name() external view returns (string memory) {
 *         return _name.toStringWithFallback(_nameFallback);
 *     }
 * }
 * ```
 */
library ShortStrings {
    // Used as an identifier for strings longer than 31 bytes.
    bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;

    error StringTooLong(string str);
    error InvalidShortString();

    /**
     * @dev Encode a string of at most 31 chars into a `ShortString`.
     *
     * This will trigger a `StringTooLong` error is the input string is too long.
     */
    function toShortString(string memory str) internal pure returns (ShortString) {
        bytes memory bstr = bytes(str);
        if (bstr.length > 31) {
            revert StringTooLong(str);
        }
        return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length));
    }

    /**
     * @dev Decode a `ShortString` back to a "normal" string.
     */
    function toString(ShortString sstr) internal pure returns (string memory) {
        uint256 len = byteLength(sstr);
        // using `new string(len)` would work locally but is not memory safe.
        string memory str = new string(32);
        /// @solidity memory-safe-assembly
        assembly {
            mstore(str, len)
            mstore(add(str, 0x20), sstr)
        }
        return str;
    }

    /**
     * @dev Return the length of a `ShortString`.
     */
    function byteLength(ShortString sstr) internal pure returns (uint256) {
        uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;
        if (result > 31) {
            revert InvalidShortString();
        }
        return result;
    }

    /**
     * @dev Encode a string into a `ShortString`, or write it to storage if it is too long.
     */
    function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {
        if (bytes(value).length < 32) {
            return toShortString(value);
        } else {
            StorageSlot.getStringSlot(store).value = value;
            return ShortString.wrap(FALLBACK_SENTINEL);
        }
    }

    /**
     * @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}.
     */
    function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {
        if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {
            return toString(value);
        } else {
            return store;
        }
    }

    /**
     * @dev Return the length of a string that was encoded to `ShortString` or written to storage using
     * {setWithFallback}.
     *
     * WARNING: This will return the "byte length" of the string. This may not reflect the actual length in terms of
     * actual characters as the UTF-8 encoding of a single character can span over multiple bytes.
     */
    function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {
        if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {
            return byteLength(value);
        } else {
            return bytes(store).length;
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol)

pragma solidity ^0.8.20;

interface IERC5267 {
    /**
     * @dev MAY be emitted to signal that the domain could have changed.
     */
    event EIP712DomainChanged();

    /**
     * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712
     * signature.
     */
    function eip712Domain()
        external
        view
        returns (
            bytes1 fields,
            string memory name,
            string memory version,
            uint256 chainId,
            address verifyingContract,
            bytes32 salt,
            uint256[] memory extensions
        );
}

// 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
// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.20;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(newImplementation.code.length > 0);
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

// 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);
        }
    }
}

{
  "remappings": [
    "forge-std/=lib/forge-std/src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "ds-test/=lib/openzeppelin-contracts-upgradeable/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 5800
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "prague",
  "viaIR": false
}

• No Contract Security Audit Submitted- Submit Audit Here

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IIntent.IntentParams","name":"params","type":"tuple"}],"name":"remoteExecute","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"dataHash","type":"bytes32"},{"internalType":"bytes32","name":"tokenID","type":"bytes32"},{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"intent","type":"string"},{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"uint256","name":"value","type":"uint256"}],"internalType":"struct IIntent.Call[]","name":"calls","type":"tuple[]"},{"internalType":"address[]","name":"refundTokens","type":"address[]"}],"internalType":"struct IIntent.IntentParams","name":"params","type":"tuple"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"signedExecute","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes","name":"delegateData","type":"bytes"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"signedExecuteIntentAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"dataHash","type":"bytes32"},{"internalType":"bytes32","name":"tokenID","type":"bytes32"},{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"intent","type":"string"},{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"uint256","name":"value","type":"uint256"}],"internalType":"struct IIntent.Call[]","name":"calls","type":"tuple[]"},{"internalType":"address[]","name":"refundTokens","type":"address[]"}],"internalType":"struct IIntent.IntentParams","name":"params","type":"tuple"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"signedRemoteExecute","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"usedHashes","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"whitelisted1","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"whitelisted2","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"whitelisted3","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"whitelisted4","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"whitelisted5","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"wrappedNativeToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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00000000000000000000000078c1b0c915c4faa5fffa6cabf0219da63d7f4cb800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000005000000000000000000000000b5eaf06aa1704041e6ca112222a94d6f0a8a4098000000000000000000000000573c4e63f445fe243cf32d878482368627dede270000000000000000000000000db34395cc9d2647439d745d13f737666d629018000000000000000000000000757a2534dcee4f1c4087727febc175d2d67155dd000000000000000000000000786a8a48bc358fe59634b57b73927c58e32561d9

-----Decoded View---------------
Arg [0] : wrappedNativeToken_ (address): 0x78c1b0C915c4FAA5FffA6CAbf0219DA63d7f4cb8
Arg [1] : authorized (address[]): 0xB5EAf06AA1704041E6ca112222A94d6F0a8A4098,0x573c4e63F445FE243cf32d878482368627dEDE27,0x0Db34395CC9D2647439d745d13F737666d629018,0x757A2534DCEE4F1c4087727feBc175d2D67155dD,0x786a8A48BC358fE59634B57b73927C58E32561D9

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000078c1b0c915c4faa5fffa6cabf0219da63d7f4cb8
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [3] : 000000000000000000000000b5eaf06aa1704041e6ca112222a94d6f0a8a4098
Arg [4] : 000000000000000000000000573c4e63f445fe243cf32d878482368627dede27
Arg [5] : 0000000000000000000000000db34395cc9d2647439d745d13f737666d629018
Arg [6] : 000000000000000000000000757a2534dcee4f1c4087727febc175d2d67155dd
Arg [7] : 000000000000000000000000786a8a48bc358fe59634b57b73927c58e32561d9