// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

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

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

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// File: @openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.sol";

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

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

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

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

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

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

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

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

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

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

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

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

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

// File: @openzeppelin/contracts/utils/Address.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

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

// File: @openzeppelin/contracts/utils/cryptography/ECDSA.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

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

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

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

        return (signer, RecoverError.NoError);
    }

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

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32")
            mstore(0x1c, hash)
            message := keccak256(0x00, 0x3c)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, "\x19\x01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            data := keccak256(ptr, 0x42)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Data with intended validator, created from a
     * `validator` and `data` according to the version 0 of EIP-191.
     *
     * See {recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x00", validator, data));
    }
}

// File: @openzeppelin/contracts/utils/math/Math.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

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

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

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

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

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

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

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

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

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

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

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

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

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

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

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

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

// File: @openzeppelin/contracts/utils/math/SignedMath.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

// File: @openzeppelin/contracts/utils/Strings.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.sol";

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

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// File: contracts/interface/IORChallengeSpv.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

interface IORChallengeSpv {
    struct VerifyInfoSlot {
        address account; // Contract address
        bytes32 key;
        uint value;
    }

    struct VerifyInfo {
        uint[] data;
        VerifyInfoSlot[] slots;
    }

    function verifyChallenge(
        bytes calldata proof,
        bytes32[2] calldata spvBlockHashs,
        bytes32 verifyInfoHash
    ) external view returns (bool);
}

// File: contracts/interface/IOREventBinding.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import {RuleLib} from "../library/RuleLib.sol";

interface IOREventBinding {
    struct AmountParams {
        uint dealerIndex;
        uint ebcIndex;
        uint chainIdIndex;
    }

    function getSecurityCode(uint amount) external pure returns (uint);

    function splitSecurityCode(uint securityCode) external pure returns (uint[] memory);

    function getAmountParams(uint amount) external pure returns (AmountParams memory);

    function getResponseIntent(uint amount, RuleLib.RuleOneway calldata ro) external pure returns (bytes memory);

    function getResponseAmountFromIntent(bytes calldata intent) external pure returns (uint);
}

// File: contracts/interface/IORMakerDeposit.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import {IORChallengeSpv} from "./IORChallengeSpv.sol";
import {BridgeLib} from "../library/BridgeLib.sol";
import {RuleLib} from "../library/RuleLib.sol";

interface IORMakerDeposit {
    struct ChallengeInfo {
        uint sourceTxFrom; // From of the source tx. Uint to support other networks
        uint64 sourceTxTime; // Timestamp of the source tx
        address challenger; // Challenger
        address freezeToken; // Freeze token on L1
        uint64 challengeUserRatio; // Manager's _challengeUserRatio
        uint freezeAmount0; // Owner's freeze amount
        uint freezeAmount1; // Challenger's freeze amount
        uint64 challengeTime; // Time of challenge
        uint64 abortTime; // Time of abort caused by checkChallenge
        uint64 verifiedTime0; // Time of verifyChallengeSource. Greater than 0 means verification passed
        uint64 verifiedTime1; // Time of verifyChallengeDest. Greater than 0 means verification passed
        bytes32 verifiedDataHash0; // Data's hash of verifyChallengeSource
    }

    event ColumnArrayUpdated(
        address indexed impl,
        bytes32 columnArrayHash,
        address[] dealers,
        address[] ebcs,
        uint64[] chainIds
    );
    event SpvUpdated(address indexed impl, uint64 chainId, address spv);
    event ResponseMakersUpdated(address indexed impl, uint[] responseMakers);
    event RulesRootUpdated(address indexed impl, address ebc, RuleLib.RootWithVersion rootWithVersion);
    event ChallengeInfoUpdated(bytes32 indexed challengeId, ChallengeInfo challengeInfo);

    function initialize(address owner_) external;

    function owner() external view returns (address);

    function mdcFactory() external view returns (address);

    function columnArrayHash() external view returns (bytes32);

    function updateColumnArray(
        uint64 enableTime,
        address[] calldata dealers,
        address[] calldata ebcs,
        uint64[] calldata chainIds
    ) external;

    function spv(uint64 chainId) external view returns (address);

    function updateSpvs(uint64 enableTime, address[] calldata spvs, uint64[] calldata chainIds) external;

    function responseMakersHash() external view returns (bytes32);

    function updateResponseMakers(uint64 enableTime, bytes[] calldata responseMakerSignatures) external;

    function freezeAssets(address token) external view returns (uint);

    function deposit(address token, uint amount) external payable;

    function withdraw(address token, uint amount) external;

    function rulesRoot(address ebc) external view returns (RuleLib.RootWithVersion memory);

    function updateRulesRoot(
        uint64 enableTime,
        address ebc,
        RuleLib.Rule[] calldata rules,
        RuleLib.RootWithVersion calldata rootWithVersion,
        uint64[] calldata sourceChainIds,
        uint[] calldata pledgeAmounts
    ) external payable;

    function updateRulesRootERC20(
        uint64 enableTime,
        address ebc,
        RuleLib.Rule[] calldata rules,
        RuleLib.RootWithVersion calldata rootWithVersion,
        uint64[] calldata sourceChainIds,
        uint[] calldata pledgeAmounts,
        address token
    ) external;

    // function challenge(
    //     uint64 sourceChainId,
    //     bytes32 sourceTxHash,
    //     uint64 sourceTxTime,
    //     address freezeToken,
    //     uint freezeAmount1
    // ) external payable;

    // function checkChallenge(uint64 sourceChainId, bytes32 sourceTxHash, uint[] calldata verifiedData0) external;

    // function verifyChallengeSource(
    //     address spvAddress,
    //     bytes calldata proof,
    //     bytes32[2] calldata spvBlockHashs,
    //     IORChallengeSpv.VerifyInfo calldata verifyInfo,
    //     bytes calldata rawDatas
    // ) external;

    // function verifyChallengeDest(
    //     address spvAddress,
    //     bytes calldata proof,
    //     bytes32[2] calldata spvBlockHashs,
    //     IORChallengeSpv.VerifyInfo calldata verifyInfo,
    //     uint[] calldata verifiedData0,
    //     bytes calldata rawDatas
    // ) external;
}

// File: contracts/interface/IORManager.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import {BridgeLib} from "../library/BridgeLib.sol";

interface IORManager {
    event ChainInfoUpdated(uint64 indexed id, BridgeLib.ChainInfo chainInfo);
    event ChainTokenUpdated(uint64 indexed id, BridgeLib.TokenInfo tokenInfo);
    event EbcsUpdated(address[] ebcs, bool[] statuses);
    event SubmitterFeeUpdated(address submitter);
    event ProtocolFeeUpdated(uint64 protocolFee);
    event MinChallengeRatioUpdated(uint64 minChallengeRatio);
    event ChallengeUserRatioUpdated(uint64 challengeUserRatio);
    event FeeChallengeSecondUpdated(uint64 feeChallengeSecond);
    event FeeTakeOnChallengeSecondUpdated(uint64 feeTakeOnChallengeSecond);
    event MaxMDCLimitUpdated(uint64 maxMDCLimit);
    event ExtraTransferContractsUpdated(uint64[] chainIds, uint[] extraTransferContracts);

    function registerChains(uint64 enableTime, BridgeLib.ChainInfo[] calldata chains_) external;

    function updateChainSpvs(uint64 enableTime, uint64 id, address[] calldata spvs, uint[] calldata indexs) external;

    function getChainInfo(uint64 id) external view returns (BridgeLib.ChainInfo memory);

    function updateChainTokens(
        uint64 enableTime,
        uint64[] memory ids,
        BridgeLib.TokenInfo[] calldata tokenInfos
    ) external;

    function getChainTokenInfo(uint64 id, uint token) external view returns (BridgeLib.TokenInfo memory);

    function ebcIncludes(address ebc) external view returns (bool);

    function updateEbcs(address[] calldata ebcs_, bool[] calldata statuses) external;

    function submitter() external view returns (address);

    function updateSubmitter(uint64 enableTime, address submitter_) external;

    function protocolFee() external view returns (uint64);

    function updateProtocolFee(uint64 enableTime, uint64 protocolFee_) external;

    function minChallengeRatio() external view returns (uint64);

    function updateMinChallengeRatio(uint64 enableTime, uint64 minChallengeRatio_) external;

    function challengeUserRatio() external view returns (uint64);

    function updateChallengeUserRatio(uint64 enableTime, uint64 challengeUserRatio_) external;

    function feeChallengeSecond() external view returns (uint64);

    function updateFeeChallengeSecond(uint64 enableTime, uint64 feeChallengeSecond_) external;

    function feeTakeOnChallengeSecond() external view returns (uint64);

    function updateFeeTakeOnChallengeSecond(uint64 enableTime, uint64 feeTakeOnChallengeSecond_) external;

    function maxMDCLimit() external view returns (uint64);

    function updateMaxMDCLimit(uint64 maxMDCLimit_) external;

    function getExtraTransferContract(uint64 chainId) external view returns (uint);

    function updateExtraTransferContracts(
        uint64 enableTime,
        uint64[] calldata chainIds,
        uint[] calldata extraTransferContracts
    ) external;
}

// File: contracts/interface/IORMDCFactory.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;
import "./IORManager.sol";

interface IORMDCFactory {
    event MDCCreated(address maker, address mdc);

    function manager() external view returns (address);

    function implementation() external view returns (address);

    function mdcCreatedTotal() external view returns (uint);

    function createMDC() external;

    function predictMDCAddress() external view returns (address);
}

// File: contracts/library/BridgeLib.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

library BridgeLib {
    struct TokenInfo {
        uint token; // uint160(address) will overflow in the token used for starknet
        address mainnetToken;
        uint8 decimals;
    }

    struct ChainInfo {
        uint64 id;
        uint192 batchLimit;
        uint64 minVerifyChallengeSourceTxSecond;
        uint64 maxVerifyChallengeSourceTxSecond;
        uint64 minVerifyChallengeDestTxSecond;
        uint64 maxVerifyChallengeDestTxSecond;
        uint nativeToken;
        address[] spvs;
    }
}

// File: contracts/library/ConstantsLib.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.17;

library ConstantsLib {
    uint constant RATIO_MULTIPLE = 1000000;

    uint constant MIN_ENABLE_DELAY = 120; // Unit: second

    uint constant DEALER_WITHDRAW_DELAY = 3600; // Unit: second

    uint constant WITHDRAW_DURATION = 3360; // Unit: second

    uint constant LOCK_DURATION = 240; // Unit: second
    // uint constant DEALER_WITHDRAW_DELAY = 30; // Unit: second for test off-chain

    // uint constant WITHDRAW_DURATION = 300; // Unit: second for test off-chain

    // uint constant LOCK_DURATION = 180; // Unit: second for test off-chain

    uint constant EBC_AMOUNT_PARAMS_MODULUS = 10000;
}

// File: contracts/library/HelperLib.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.17;

library HelperLib {
    function hash(bytes memory data) internal pure returns (bytes32) {
        return keccak256(data);
    }

    function includes(uint[] memory arr, uint element) internal pure returns (bool) {
        for (uint i = 0; i < arr.length; ) {
            if (element == arr[i]) {
                return true;
            }
            unchecked {
                i++;
            }
        }
        return false;
    }

    function arrayIncludes(uint[] memory arr, uint[] memory elements) internal pure returns (bool) {
        for (uint i = 0; i < elements.length; i++) {
            bool ic = false;
            for (uint j = 0; j < arr.length; ) {
                if (elements[i] == arr[j]) {
                    ic = true;
                    break;
                }
                unchecked {
                    j++;
                }
            }

            if (!ic) return false;

            unchecked {
                i++;
            }
        }
        return true;
    }

    function includes(address[] memory arr, address element) internal pure returns (bool) {
        for (uint i = 0; i < arr.length; ) {
            if (element == arr[i]) {
                return true;
            }
            unchecked {
                i++;
            }
        }
        return false;
    }

    function arrayIncludes(address[] memory arr, address[] memory elements) internal pure returns (bool) {
        for (uint i = 0; i < elements.length; i++) {
            bool ic = false;
            for (uint j = 0; j < arr.length; ) {
                if (elements[i] == arr[j]) {
                    ic = true;
                    break;
                }
                unchecked {
                    j++;
                }
            }

            if (!ic) return false;

            unchecked {
                i++;
            }
        }
        return true;
    }
}

// File: contracts/library/RuleLib.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.17;

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

library RuleLib {
    struct Rule {
        uint64 chainId0; // 59144
        uint64 chainId1; // 10
        uint8 status0;
        uint8 status1;
        uint token0;
        uint token1;
        uint128 minPrice0;
        uint128 minPrice1;
        uint128 maxPrice0;
        uint128 maxPrice1;
        uint128 withholdingFee0;
        uint128 withholdingFee1;
        uint32 tradingFee0;
        uint32 tradingFee1;
        uint32 responseTime0;
        uint32 responseTime1;
        uint32 compensationRatio0;
        uint32 compensationRatio1;
    }

    struct RootWithVersion {
        bytes32 root;
        uint32 version;
    }

    struct RuleOneway {
        uint64 sourceChainId;
        uint64 destChainId;
        uint8 status;
        uint sourceToken;
        uint destToken;
        uint128 minPrice;
        uint128 maxPrice;
        uint128 withholdingFee;
        uint32 tradingFee;
        uint32 responseTime;
        uint32 compensationRatio;
    }

    function checkChainIds(uint64 chainId0, uint64 chainId1) internal pure {
        require(chainId0 < chainId1, "C0LC1");
    }

    function checkWithholdingFees(uint128 withholdingFee0, uint128 withholdingFee1) internal pure {
        require(withholdingFee0 % ConstantsLib.EBC_AMOUNT_PARAMS_MODULUS == 0, "WFI0");
        require(withholdingFee1 % ConstantsLib.EBC_AMOUNT_PARAMS_MODULUS == 0, "WFI1");
    }

    function convertToOneway(
        Rule memory rule,
        uint64 sourceChainId
    ) internal pure returns (RuleOneway memory ruleOneway) {
        require(sourceChainId == rule.chainId0 || sourceChainId == rule.chainId1, "SCI");

        if (sourceChainId == rule.chainId0) {
            return
                RuleOneway(
                    rule.chainId0,
                    rule.chainId1,
                    rule.status0,
                    rule.token0,
                    rule.token1,
                    rule.minPrice0,
                    rule.maxPrice0,
                    rule.withholdingFee0,
                    rule.tradingFee0,
                    rule.responseTime0,
                    rule.compensationRatio0
                );
        } else {
            return
                RuleOneway(
                    rule.chainId1,
                    rule.chainId0,
                    rule.status1,
                    rule.token1,
                    rule.token0,
                    rule.minPrice1,
                    rule.maxPrice1,
                    rule.withholdingFee1,
                    rule.tradingFee1,
                    rule.responseTime1,
                    rule.compensationRatio1
                );
        }
    }
}

// File: contracts/ORMakerDeposit.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import {IORMakerDeposit} from "./interface/IORMakerDeposit.sol";
import {IORManager} from "./interface/IORManager.sol";
import {IORMDCFactory} from "./interface/IORMDCFactory.sol";
import {IORChallengeSpv} from "./interface/IORChallengeSpv.sol";
import {IOREventBinding} from "./interface/IOREventBinding.sol";
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 {HelperLib} from "./library/HelperLib.sol";
import {RuleLib} from "./library/RuleLib.sol";
import {ConstantsLib} from "./library/ConstantsLib.sol";
import {BridgeLib} from "./library/BridgeLib.sol";
import {VersionAndEnableTime} from "./VersionAndEnableTime.sol";

contract ORMakerDeposit is IORMakerDeposit, VersionAndEnableTime {
    using HelperLib for uint[];
    using HelperLib for address[];
    using HelperLib for bytes;
    using SafeERC20 for IERC20;
    using ECDSA for bytes32;

    // VersionAndEnableTime._version and _enableTime use a slot

    // Warning: the following order and type changes will cause state verification changes
    address private _owner;
    IORMDCFactory private _mdcFactory;
    bytes32 private _columnArrayHash;
    mapping(uint64 => address) private _spvs; // chainId => spvAddress
    bytes32 private _responseMakersHash; // hash(response maker list), not just owner, to improve tps
    mapping(address => RuleLib.RootWithVersion) private _rulesRoots; // ebc => merkleRoot(rules), version
    mapping(bytes32 => uint) private _pledgeBalances; // hash(ebc, sourceChainId, sourceToken) => pledgeBalance
    mapping(address => uint) private _freezeAssets; // token(ETH: 0) => freezeAmount
    mapping(bytes32 => ChallengeInfo) private _challenges; // hash(sourceChainId, transactionHash) => ChallengeInfo

    modifier onlyOwner() {
        require(msg.sender == _owner, "Ownable: caller is not the owner");
        _;
    }

    // solhint-disable-next-line no-empty-blocks
    receive() external payable {}

    function initialize(address owner_) external {
        require(_owner == address(0), "_ONZ");
        require(owner_ != address(0), "OZ");

        _owner = owner_;
        _mdcFactory = IORMDCFactory(msg.sender);
    }

    function owner() external view returns (address) {
        return _owner;
    }

    function mdcFactory() external view returns (address) {
        return address(_mdcFactory);
    }

    function columnArrayHash() external view returns (bytes32) {
        return _columnArrayHash;
    }

    function updateColumnArray(
        uint64 enableTime,
        address[] calldata dealers,
        address[] calldata ebcs,
        uint64[] calldata chainIds
    ) external onlyOwner {
        versionIncreaseAndEnableTime(enableTime);

        require(dealers.length < 10 && ebcs.length < 10 && chainIds.length < 100, "DECOF");

        IORManager manager = IORManager(_mdcFactory.manager());
        for (uint i = 0; i < ebcs.length; ) {
            require(manager.ebcIncludes(ebcs[i]), "EI"); // Has invalid ebc

            unchecked {
                i++;
            }
        }

        for (uint i = 0; i < chainIds.length; ) {
            BridgeLib.ChainInfo memory chainInfo = manager.getChainInfo(chainIds[i]);
            require(chainInfo.id > 0, "CI"); // Invalid chainId

            unchecked {
                i++;
            }
        }

        _columnArrayHash = abi.encodePacked(dealers, ebcs, chainIds).hash();
        emit ColumnArrayUpdated(_mdcFactory.implementation(), _columnArrayHash, dealers, ebcs, chainIds);
    }

    function spv(uint64 chainId) external view returns (address) {
        return _spvs[chainId];
    }

    function updateSpvs(uint64 enableTime, address[] calldata spvs, uint64[] calldata chainIds) external onlyOwner {
        versionIncreaseAndEnableTime(enableTime);

        IORManager manager = IORManager(_mdcFactory.manager());
        address impl = _mdcFactory.implementation();

        for (uint i = 0; i < chainIds.length; i++) {
            BridgeLib.ChainInfo memory chainInfo = manager.getChainInfo(chainIds[i]);
            require(chainInfo.id > 0, "CI"); // Invalid chainId
            require(chainInfo.spvs.includes(spvs[i]), "SI"); // Invalid spv

            _spvs[chainIds[i]] = spvs[i];

            emit SpvUpdated(impl, chainIds[i], spvs[i]);
        }
    }

    function responseMakersHash() external view returns (bytes32) {
        return _responseMakersHash;
    }

    function updateResponseMakers(uint64 enableTime, bytes[] calldata responseMakerSignatures) external onlyOwner {
        versionIncreaseAndEnableTime(enableTime);

        bytes32 data = abi.encode(address(this)).hash();

        uint[] memory responseMakers_ = new uint[](responseMakerSignatures.length);
        for (uint i = 0; i < responseMakerSignatures.length; i++) {
            responseMakers_[i] = uint(uint160(data.toEthSignedMessageHash().recover(responseMakerSignatures[i])));
        }

        _responseMakersHash = abi.encode(responseMakers_).hash();
        emit ResponseMakersUpdated(_mdcFactory.implementation(), responseMakers_);
    }

    function freezeAssets(address token) external view returns (uint) {
        return _freezeAssets[token];
    }

    function deposit(address token, uint amount) external payable {
        // TODO: This method is useless if it does not need to throw an event
        // ETH received by default
        // ERC20 calls safeTransferFrom, can also call `transfer` send assets to address(this)
        if (token != address(0)) {
            IERC20(token).safeTransferFrom(msg.sender, address(this), amount);
        }
    }

    function withdraw(address token, uint amount) external onlyOwner {
        if (token == address(0)) {
            require(address(this).balance - _freezeAssets[token] >= amount, "ETH: IF");

            (bool sent, ) = payable(msg.sender).call{value: amount}("");
            require(sent, "ETH: SE");
        } else {
            uint balance = IERC20(token).balanceOf(address(this));
            require(balance - _freezeAssets[token] >= amount, "ERC20: IF");

            IERC20(token).safeTransfer(msg.sender, amount);
        }
    }

    function rulesRoot(address ebc) external view returns (RuleLib.RootWithVersion memory) {
        return _rulesRoots[ebc];
    }

    function updateRulesRoot(
        uint64 enableTime,
        address ebc,
        RuleLib.Rule[] calldata rules,
        RuleLib.RootWithVersion calldata rootWithVersion,
        uint64[] calldata sourceChainIds,
        uint[] calldata pledgeAmounts
    ) external payable onlyOwner {
        versionIncreaseAndEnableTime(enableTime);

        _updateRulesRoot(ebc, rules, rootWithVersion);

        require(sourceChainIds.length == pledgeAmounts.length, "SPL");

        uint increaseAmount;
        for (uint i = 0; i < sourceChainIds.length; ) {
            // TODO: Must save pledge amount by sourceChainId?
            //       Is it feasible to only by token?
            bytes32 k = abi.encode(ebc, sourceChainIds[i], address(0)).hash();

            if (pledgeAmounts[i] > _pledgeBalances[k]) {
                uint _d = pledgeAmounts[i] - _pledgeBalances[k];
                increaseAmount += _d;
            }

            _pledgeBalances[k] = pledgeAmounts[i];

            unchecked {
                i++;
            }
        }

        require(increaseAmount <= msg.value, "IV"); // Insufficient value
    }

    function updateRulesRootERC20(
        uint64 enableTime,
        address ebc,
        RuleLib.Rule[] calldata rules,
        RuleLib.RootWithVersion calldata rootWithVersion,
        uint64[] calldata sourceChainIds,
        uint[] calldata pledgeAmounts,
        address token
    ) external onlyOwner {
        versionIncreaseAndEnableTime(enableTime);

        _updateRulesRoot(ebc, rules, rootWithVersion);

        require(sourceChainIds.length == pledgeAmounts.length, "SPL");

        for (uint i = 0; i < sourceChainIds.length; ) {
            bytes32 k = abi.encode(ebc, sourceChainIds[i], token).hash();

            if (pledgeAmounts[i] > _pledgeBalances[k]) {
                IERC20(token).safeTransferFrom(msg.sender, address(this), pledgeAmounts[i] - _pledgeBalances[k]);
            }

            unchecked {
                i++;
            }
        }
    }

    function _updateRulesRoot(
        address ebc,
        RuleLib.Rule[] calldata rules,
        RuleLib.RootWithVersion calldata rootWithVersion
    ) private {
        for (uint i = 0; i < rules.length; ) {
            RuleLib.checkChainIds(rules[i].chainId0, rules[i].chainId1);
            RuleLib.checkWithholdingFees(rules[i].withholdingFee0, rules[i].withholdingFee1);

            unchecked {
                i++;
            }
        }

        IORManager manager = IORManager(_mdcFactory.manager());
        require(manager.ebcIncludes(ebc), "EI"); // Invalid ebc

        require(rootWithVersion.root != bytes32(0), "RZ");
        unchecked {
            require(_rulesRoots[ebc].version + 1 == rootWithVersion.version, "VE");
        }

        _rulesRoots[ebc] = rootWithVersion;

        emit RulesRootUpdated(_mdcFactory.implementation(), ebc, rootWithVersion);
    }

    // function challenge(
    //     uint64 sourceChainId,
    //     bytes32 sourceTxHash,
    //     uint64 sourceTxTime,
    //     address freezeToken,
    //     uint freezeAmount1
    // ) external payable {
    //     bytes32 challengeId = abi.encodePacked(sourceChainId, sourceTxHash).hash();
    //     require(_challenges[challengeId].challengeTime == 0, "CE");

    //     // Make sure the source timestamp is before the challenge
    //     require(uint64(block.timestamp) >= sourceTxTime, "STOF");

    //     if (freezeToken == address(0)) {
    //         require(freezeAmount1 == msg.value, "IF");
    //     } else {
    //         IERC20(freezeToken).safeTransferFrom(msg.sender, address(this), freezeAmount1);
    //     }

    //     // TODO: Currently it is assumed that the pledged assets of the challenger and the owner are the same
    //     uint freezeAmount0 = freezeAmount1;

    //     // Freeze mdc's owner assets and the assets in of challenger
    //     _freezeAssets[freezeToken] += freezeAmount0 + freezeAmount1;

    //     _challenges[challengeId] = ChallengeInfo(
    //         sourceTxTime,
    //         0,
    //         msg.sender,
    //         freezeToken,
    //         0,
    //         freezeAmount0,
    //         freezeAmount1,
    //         uint64(block.timestamp),
    //         0,
    //         0,
    //         0,
    //         0
    //     );

    //     emit ChallengeInfoUpdated(challengeId, _challenges[challengeId]);
    // }

    // function checkChallenge(uint64 sourceChainId, bytes32 sourceTxHash, uint[] calldata verifiedData0) external {
    //     bytes32 challengeId = abi.encodePacked(uint64(sourceChainId), sourceTxHash).hash();
    //     ChallengeInfo memory challengeInfo = _challenges[challengeId];

    //     // Make sure the challenge exists
    //     require(challengeInfo.challengeTime > 0, "CNE");

    //     // Make sure verifyChallengeDest is not done yet
    //     require(challengeInfo.verifiedTime1 == 0, "VT1NZ");

    //     IORManager manager = IORManager(_mdcFactory.manager());

    //     if (challengeInfo.verifiedTime0 == 0) {
    //         BridgeLib.ChainInfo memory chainInfo = manager.getChainInfo(sourceChainId);

    //         require(block.timestamp > chainInfo.maxVerifyChallengeSourceTxSecond + challengeInfo.sourceTxTime, "VCST");

    //         _challengerFailed(challengeInfo);
    //     } else {
    //         // Ensure the correctness of verifiedData0
    //         require(abi.encode(verifiedData0).hash() == challengeInfo.verifiedDataHash0, "VDH");

    //         BridgeLib.ChainInfo memory chainInfo = manager.getChainInfo(uint64(verifiedData0[0]));
    //         require(block.timestamp > chainInfo.maxVerifyChallengeDestTxSecond + challengeInfo.sourceTxTime, "VCDT");

    //         _makerFailed(challengeInfo);
    //     }
    //     _challenges[challengeId].abortTime = uint64(block.timestamp);

    //     emit ChallengeInfoUpdated(challengeId, _challenges[challengeId]);
    // }

    // /**
    //  *
    //  * @param spvAddress The spv's address
    //  * @param proof The zk's proof
    //  * @param spvBlockHashs If the blocks of the state proof and tx proof are not in the same segment, need to verify the two blocks
    //  * @param verifyInfo The public inputs preimage for zk proofs
    //  *        verifyInfo.data: [chainId, txHash, from, to, token, amount, nonce, timestamp, ruleHash, dest, destToken]
    //  *        verifyInfo.slots: [...see code]
    //  * @param rawDatas The raw data list in preimage. [dealers, ebcs, chainIds, ebc, rule]
    //  */
    // function verifyChallengeSource(
    //     address spvAddress,
    //     bytes calldata proof,
    //     bytes32[2] calldata spvBlockHashs,
    //     IORChallengeSpv.VerifyInfo calldata verifyInfo,
    //     bytes calldata rawDatas
    // ) external {
    //     require(IORChallengeSpv(spvAddress).verifyChallenge(proof, spvBlockHashs, abi.encode(verifyInfo).hash()), "VF");

    //     // Check chainId, hash, timestamp
    //     bytes32 challengeId = abi.encodePacked(uint64(verifyInfo.data[0]), verifyInfo.data[1]).hash();
    //     require(_challenges[challengeId].challengeTime > 0, "CTZ");
    //     require(_challenges[challengeId].verifiedTime0 == 0, "VT0NZ");
    //     require(uint64(verifyInfo.data[7]) == _challenges[challengeId].sourceTxTime, "ST");

    //     // Check to address equal owner
    //     // TODO: Not compatible with starknet network
    //     require(uint160(verifyInfo.data[2]) == uint160(_owner), "TNEO");

    //     // Parse rawDatas
    //     (
    //         address[] memory dealers,
    //         address[] memory ebcs,
    //         uint64[] memory chainIds,
    //         address ebc,
    //         RuleLib.Rule memory rule
    //     ) = abi.decode(rawDatas, (address[], address[], uint64[], address, RuleLib.Rule));

    //     // Check manager's chainInfo.minVerifyChallengeSourceTxSecond,maxVerifyChallengeSourceTxSecond
    //     // Get minVerifyChallengeDestTxSecond, maxVerifyChallengeDestTxSecond
    //     {
    //         require(verifyInfo.slots[0].account == _mdcFactory.manager(), "VCSTA");
    //         uint slotK = uint(abi.encode(verifyInfo.data[0], 2).hash()); // abi.encode no need to convert type
    //         require(uint(verifyInfo.slots[0].key) == slotK + 1, "VCSTK");

    //         uint timeDiff = block.timestamp - verifyInfo.data[7];
    //         require(timeDiff >= uint64(verifyInfo.slots[0].value), "MINTOF");
    //         require(timeDiff <= uint64(verifyInfo.slots[0].value >> 64), "MAXTOF");
    //     }

    //     // Check freezeToken, freezeAmount
    //     {
    //         // FreezeToken
    //         require(verifyInfo.slots[1].account == _mdcFactory.manager(), "FTA");
    //         uint slotK = uint(
    //             abi.encode(abi.encodePacked(uint64(verifyInfo.data[0]), verifyInfo.data[4]).hash(), 3).hash()
    //         );
    //         require(uint(verifyInfo.slots[1].key) == slotK + 1, "FTK");
    //         require(_challenges[challengeId].freezeToken == address(uint160(verifyInfo.slots[1].value)), "FTV");

    //         // FreezeAmount
    //         require(verifyInfo.slots[2].account == _mdcFactory.manager(), "FAA");
    //         require(uint(verifyInfo.slots[2].key) == 6, "FAK");
    //         uint64 _minChallengeRatio = uint64(verifyInfo.slots[2].value);
    //         require(
    //             _challenges[challengeId].freezeAmount1 >=
    //                 (verifyInfo.data[5] * _minChallengeRatio) / ConstantsLib.RATIO_MULTIPLE,
    //             "FALV"
    //         );
    //     }

    //     // Check _columnArrayHash
    //     {
    //         bytes32 cah = abi.encodePacked(dealers, ebcs, chainIds).hash();
    //         require(verifyInfo.slots[3].account == address(this), "CAHA");
    //         require(uint(verifyInfo.slots[3].key) == 2, "CAHK");
    //         require(bytes32(verifyInfo.slots[3].value) == cah, "CAHV");
    //     }

    //     // Check ebc address, destChainId
    //     uint destChainId;
    //     {
    //         IOREventBinding.AmountParams memory ap = IOREventBinding(ebc).getAmountParams(verifyInfo.data[5]);
    //         require(ebc == ebcs[ap.ebcIndex - 1], "ENE");

    //         require(ap.chainIdIndex <= chainIds.length, "COF");
    //         destChainId = chainIds[ap.chainIdIndex - 1];
    //     }

    //     // Check dest token
    //     {
    //         require(verifyInfo.slots[4].account == _mdcFactory.manager(), "DTA");
    //         uint slotK = uint(abi.encode(abi.encodePacked(uint64(destChainId), verifyInfo.data[10]).hash(), 3).hash());
    //         require(uint(verifyInfo.slots[4].key) == slotK + 1, "DTK");

    //         // TODO: At present, freezeToken and mainnetToken remain the same, and may change later
    //         require(_challenges[challengeId].freezeToken == address(uint160(verifyInfo.slots[4].value)), "DTV");
    //     }

    //     // Check _responseMakersHash
    //     {
    //         require(verifyInfo.slots[5].account == address(this), "RMHA");
    //         require(uint(verifyInfo.slots[5].key) == 5, "RMHK");
    //     }

    //     // Check ruleRoot key and rule
    //     {
    //         // Sure rule root storage position
    //         // Warnning: In the circuit, it is necessary to ensure that the rule exists in the mpt
    //         require(verifyInfo.slots[6].account == address(this), "RRA");
    //         uint slotK = uint(abi.encode(ebc, 6).hash());
    //         require(uint(verifyInfo.slots[6].key) == slotK, "RRK");

    //         // Rule
    //         require(uint(abi.encode(rule).hash()) == verifyInfo.data[8], "RH");
    //     }

    //     // Calculate dest amount
    //     // TODO: Is there a more general solution. Not only amount
    //     RuleLib.RuleOneway memory ro = RuleLib.convertToOneway(rule, uint64(verifyInfo.data[0]));
    //     uint destAmount = IOREventBinding(ebc).getResponseAmountFromIntent(
    //         IOREventBinding(ebc).getResponseIntent(verifyInfo.data[5], ro)
    //     );

    //     // Save tx'from address, and compensate tx'from on the mainnet when the maker failed
    //     _challenges[challengeId].sourceTxFrom = verifyInfo.data[7];

    //     // Save manager._challengeUserRatio
    //     _challenges[challengeId].challengeUserRatio = uint64(verifyInfo.slots[2].value >> 64);

    //     _challenges[challengeId].verifiedTime0 = uint64(block.timestamp);

    //     // Save verified data's hash.
    //     // [minVerifyChallengeDestTxSecond, maxVerifyChallengeDestTxSecond, nonce, destChainId, destAddress, destToken, destAmount, responeMakersHash]
    //     _challenges[challengeId].verifiedDataHash0 = abi
    //         .encode(
    //             [
    //                 uint64(verifyInfo.slots[0].value >> 128),
    //                 uint64(verifyInfo.slots[0].value >> 128),
    //                 verifyInfo.data[0],
    //                 destChainId,
    //                 verifyInfo.data[9],
    //                 verifyInfo.data[10],
    //                 destAmount,
    //                 verifyInfo.slots[3].value
    //             ]
    //         )
    //         .hash();

    //     emit ChallengeInfoUpdated(challengeId, _challenges[challengeId]);
    // }

    // /**
    //  *
    //  * @param spvAddress The spv's address
    //  * @param proof The zk's proof
    //  * @param spvBlockHashs If the blocks of the state proof and tx proof are not in the same segment, you need to verify the two blocks
    //  * @param verifyInfo The public inputs preimage for zk proofs
    //  *        verifyInfo.data: [chainId, txHash, from, to, token, amount, nonce, timestamp]
    //  *        verifyInfo.slots: [...see code]
    //  * @param verifiedData0 [minVerifyChallengeDestTxSecond, maxVerifyChallengeDestTxSecond, nonce, destChainId, destAddress, destToken, destAmount, responeMakersHash]
    //  * @param rawDatas The raw data list in preimage. [responeMakers]
    //  */
    // function verifyChallengeDest(
    //     address spvAddress,
    //     bytes calldata proof,
    //     bytes32[2] calldata spvBlockHashs,
    //     IORChallengeSpv.VerifyInfo calldata verifyInfo,
    //     uint[] calldata verifiedData0,
    //     bytes calldata rawDatas
    // ) external {
    //     require(IORChallengeSpv(spvAddress).verifyChallenge(proof, spvBlockHashs, abi.encode(verifyInfo).hash()), "VF");

    //     bytes32 challengeId = abi.encodePacked(uint64(verifyInfo.data[0]), verifyInfo.data[1]).hash();
    //     require(_challenges[challengeId].verifiedTime0 > 0, "VT0Z");
    //     require(_challenges[challengeId].verifiedTime1 == 0, "VT1NZ");

    //     // Parse rawDatas
    //     uint[] memory responseMakers = abi.decode(rawDatas, (uint[]));

    //     // Check verifiedData0
    //     require(abi.encode(verifiedData0).hash() == _challenges[challengeId].verifiedDataHash0, "VDH0");
    //     require(abi.encode(responseMakers).hash() == bytes32(verifiedData0[7]), "RMH");

    //     // Check minVerifyChallengeDestTxSecond, maxVerifyChallengeDestTxSecond
    //     {
    //         uint timeDiff = block.timestamp - _challenges[challengeId].sourceTxTime;
    //         require(timeDiff >= verifiedData0[0], "MINTOF");
    //         require(timeDiff <= verifiedData0[1], "MAXTOF");
    //     }

    //     // Check dest chainId
    //     require(verifyInfo.data[0] == verifiedData0[3], "DCID");

    //     // Check dest from address in responseMakers
    //     require(responseMakers.includes(verifyInfo.data[2]), "MIC");

    //     // Check dest address
    //     require(verifiedData0[4] == verifyInfo.data[3], "DADDR");

    //     // Check dest token
    //     require(verifiedData0[5] == verifyInfo.data[4], "DT");

    //     // Check dest amount (Warning: The nonce is at the end of the amount)
    //     require(verifiedData0[6] - verifiedData0[2] == verifyInfo.data[5], "DT");

    //     // TODO: check responseTime. Source tx timestamp may be more than dest tx timestamp.

    //     _challengerFailed(_challenges[challengeId]);

    //     _challenges[challengeId].verifiedTime1 = uint64(block.timestamp);

    //     emit ChallengeInfoUpdated(challengeId, _challenges[challengeId]);
    // }

    // function _challengerFailed(ChallengeInfo memory challengeInfo) internal {
    //     // Unfreeze
    //     _freezeAssets[challengeInfo.freezeToken] -= (challengeInfo.freezeAmount0 + challengeInfo.freezeAmount1);
    // }

    // function _makerFailed(ChallengeInfo memory challengeInfo) internal {
    //     uint challengeUserAmount = (challengeInfo.freezeAmount0 * challengeInfo.challengeUserRatio) /
    //         ConstantsLib.RATIO_MULTIPLE;
    //     require(challengeUserAmount <= challengeInfo.freezeAmount0, "UAOF");

    //     uint challengerAmount = challengeInfo.freezeAmount0 + challengeInfo.freezeAmount1 - challengeUserAmount;

    //     // TODO: Not compatible with starknet network
    //     address user = address(uint160(challengeInfo.sourceTxFrom));

    //     if (challengeInfo.freezeToken == address(0)) {
    //         (bool sent1, ) = payable(user).call{value: challengeUserAmount}("");
    //         require(sent1, "ETH: SE1");

    //         (bool sent2, ) = payable(challengeInfo.challenger).call{value: challengerAmount}("");
    //         require(sent2, "ETH: SE2");
    //     } else {
    //         IERC20(challengeInfo.freezeToken).safeTransfer(user, challengeUserAmount);

    //         IERC20(challengeInfo.freezeToken).safeTransfer(challengeInfo.challenger, challengerAmount);
    //     }

    //     // Unfreeze
    //     _freezeAssets[challengeInfo.freezeToken] -= (challengeInfo.freezeAmount0 + challengeInfo.freezeAmount1);
    // }
}

// File: contracts/VersionAndEnableTime.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import {ConstantsLib} from "./library/ConstantsLib.sol";

contract VersionAndEnableTime {
    uint192 private _version;
    uint64 private _enableTime;

    // TODO: modify requires more gas
    // modifier versionIncreaseAndEnableTime(uint64 enableTime) {
    //     require(enableTime - block.timestamp >= ConstantsLib.MIN_ENABLE_DELAY, "OFET");

    //     _;
    //     _version += 1;

    //     _enableTime = enableTime;
    // }

    function versionIncreaseAndEnableTime(uint64 enableTime) public {
        require(enableTime - block.timestamp >= ConstantsLib.MIN_ENABLE_DELAY, "OFET");

        _version += 1;
        _enableTime = enableTime;
    }

    function getVersionAndEnableTime() external view returns (uint192 version, uint64 enableTime) {
        return (_version, _enableTime);
    }
}