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

pragma solidity ^0.8.20;

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

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

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

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

pragma solidity ^0.8.20;

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

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

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

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

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

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

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

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

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/access/Ownable.sol";
import "./PassportRegistry.sol";

contract PassportBuilderScore is Ownable {
    PassportRegistry public passportRegistry;

    // Mapping to store scores for each passport ID
    mapping(uint256 => uint256) private passportScores;

    // Mapping to store timestamps of last updates for each passport ID
    mapping(uint256 => uint256) private passportLastUpdate;

    // Mapping to store trusted signers
    mapping(address => bool) public trustedSigners;

    event ScoreUpdated(uint256 indexed passportId, uint256 score, uint256 timestamp);
    event PassportRegistryChanged(address indexed oldAddress, address indexed newAddress);

    uint256 public EXPIRATION_TIME = 1 days * 90; // 90 days

    constructor(address passportRegistryAddress, address initialOwner) Ownable(initialOwner) {
        passportRegistry = PassportRegistry(passportRegistryAddress);
        trustedSigners[initialOwner] = true;
    }

    /**
     * @notice Sets the expiration time for the scores.
     * @dev Can only be called by the owner.
     * @param newExpirationTime The new expiration time in days.
     */
    function setExpirationTime(uint256 newExpirationTime) external onlyOwner {
        EXPIRATION_TIME = 1 days * newExpirationTime;
    }

    /**
     * @notice Adds the given address to the list of trusted signers.
     * @dev Can only be called by the owner.
     * @param signer The address to add to the list of trusted signers.
     */
    function addTrustedSigner(address signer) external onlyOwner {
        trustedSigners[signer] = true;
    }

    /**
     * @notice Removes the given address from the list of trusted signers.
     * @dev Can only be called by the owner.
     * @param signer The address to remove from the list of trusted signers.
     */
    function removeTrustedSigner(address signer) external onlyOwner {
        trustedSigners[signer] = false;
    }

    /**
     * @notice Sets the score for a given passport ID.
     * @dev Can only be called by the owner.
     * @param passportId The ID of the passport to set the score for.
     * @param score The score to set for the passport ID.
     */
    function setScore(uint256 passportId, uint256 score) external returns (bool) {
        require(trustedSigners[msg.sender], "Caller is not a trusted signer");
        require(passportRegistry.idPassport(passportId) != address(0), "Passport ID does not exist");
        passportScores[passportId] = score;
        passportLastUpdate[passportId] = block.timestamp;
        emit ScoreUpdated(passportId, score, block.timestamp);
        return true;
    }

    /**
     * @notice Gets the score of a given passport ID.
     * @param passportId The ID of the passport to get the score for.
     * @return The score of the given passport ID.
     */
    function getScore(uint256 passportId) public view returns (uint256) {
        uint256 lastUpdate = passportLastUpdate[passportId] == 0 ? block.timestamp : passportLastUpdate[passportId];
        require(lastUpdate + EXPIRATION_TIME >= block.timestamp, "Score is expired");
        return passportScores[passportId];
    }

    /**
     * @notice Gets the timestamp of the last update for a given passport ID.
     * @param passportId The ID of the passport to get the last update timestamp for.
     * @return The timestamp of the last update for the given passport ID.
     */
    function getLastUpdate(uint256 passportId) external view returns (uint256) {
        return passportLastUpdate[passportId];
    }

    function getLastUpdateByAddress(address wallet) external view returns (uint256) {
        return passportLastUpdate[passportRegistry.passportId(wallet)];
    }

    /**
     * @notice Gets the score of a given address.
     * @param wallet The address to get the score for.
     * @return The score of the given address.
     */
    function getScoreByAddress(address wallet) external view returns (uint256) {
        uint256 passportId = passportRegistry.passportId(wallet);
        require(passportRegistry.idPassport(passportId) != address(0), "Passport ID does not exist");

        uint256 score = getScore(passportId);
        return score;
    }

    /**
     * @notice Changes the address of the PassportRegistry contract.
     * @dev Can only be called by the owner.
     * @param newPassportRegistryAddress The address of the new PassportRegistry contract.
     */
    function setPassportRegistry(address newPassportRegistryAddress) external onlyOwner {
        require(newPassportRegistryAddress != address(0), "Invalid address");
        address oldAddress = address(passportRegistry);
        passportRegistry = PassportRegistry(newPassportRegistryAddress);
        emit PassportRegistryChanged(oldAddress, newPassportRegistryAddress);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/utils/math/Math.sol";
import "@openzeppelin/contracts/utils/Pausable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract PassportRegistry is Ownable, Pausable {
    // wallet => passport id
    mapping(address => uint256) public passportId;

    // passport id => wallet
    mapping(uint256 => address) public idPassport;

    // wallet => bool
    mapping(address => bool) public walletActive;

    // id => bool
    mapping(uint256 => bool) public idActive;

    // id => source
    mapping(uint256 => string) public idSource;

    // source => # passports
    mapping(string => uint256) public sourcePassports;

    // Total number of passports created
    uint256 public totalCreates;

    // Total number of passports sequencially created
    uint256 public totalSequencialCreates;

    // Total number of passports created by admins
    uint256 public totalAdminsCreates;

    // Total number of passport transfers
    uint256 public totalPassportTransfers;

    // The next id to be issued
    uint256 private _nextSequentialPassportId;

    // Smart contract id in sequencial mode
    bool private _sequencial;

    // A new passport has been created
    event Create(address indexed wallet, uint256 passportId, string source);

    // A passport has been tranfered
    event Transfer(uint256 oldPassportId, uint256 newPassportId, address indexed oldWallet, address indexed newWallet);

    // A passport has been deactivated
    event Deactivate(address indexed wallet, uint256 passportId);

    // A passport has been activated
    event Activate(address indexed wallet, uint256 passportId);

    // Passport generation mode changed
    event PassportGenerationChanged(bool sequencial, uint256 nextSequencialPassportId);

    // Transfer request initiated
    event TransferRequested(address indexed fromWallet, address indexed toWallet, uint256 passportId);

    // Transfer request accepted
    event TransferAccepted(address indexed fromWallet, address indexed toWallet, uint256 passportId);

    // Transfer request revoked
    event TransferRevoked(address indexed wallet, uint256 passportId);

    mapping(uint256 => address) public transferRequests;

    /**
     * @dev Modifier to make a function callable only when the contract is in sequencial mode.
     *
     * Requirements:
     *
     * - The contract must be in sequencial mode.
     */
    modifier whenSequencialGeneration() {
        require(sequencial(), "Admin generation mode");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is in admin generation mode.
     *
     * Requirements:
     *
     * - The contract must be in admin generation mode.
     */
    modifier whenAdminGeneration() {
        require(!sequencial(), "Sequencial generation mode");
        _;
    }

    constructor(address initialOwner) Ownable(initialOwner) {
        _sequencial = false;
    }

    /**
     * @notice Creates a new passport with the next sequential ID.
     * @dev Can only be called when the contract is in sequential generation mode and not paused.
     * @param source The source of the passport creation.
     */
    function create(string memory source) public whenNotPaused whenSequencialGeneration {
        require(passportId[msg.sender] == 0, "Passport already exists");

        totalSequencialCreates++;

        _create(msg.sender, _nextSequentialPassportId, source);
        _nextSequentialPassportId += 1;
    }

    /**
     * @notice Creates a new passport with a specified ID for a specific wallet.
     * @dev Can only be called by the owner when the contract is in admin generation mode and not paused.
     * @param source The source of the passport creation.
     * @param wallet The address of the wallet to associate with the new passport.
     * @param id The ID to assign to the new passport.
     */
    function adminCreate(
        string memory source,
        address wallet,
        uint256 id
    ) public onlyOwner whenNotPaused whenAdminGeneration {
        require(passportId[wallet] == 0, "Passport already exists");

        totalAdminsCreates++;

        _create(wallet, id, source);
    }

    /**
     * @notice Transfers the passport ID of the msg.sender to the new wallet.
     * @dev Can only be called by the passport owner and when the contract is not paused.
     * @param newWallet The address of the new wallet to transfer the passport to.
     */
    function transfer(address newWallet) public whenNotPaused {
        uint256 id = passportId[msg.sender];
        require(newWallet != msg.sender, "You can not transfer to yourself");
        require(newWallet != address(0), "You can not transfer to zero address");
        require(id != 0, "Passport does not exist");
        require(passportId[newWallet] == 0, "Wallet passed already has a passport");
        require(transferRequests[id] == address(0), "Pending transfer already exists for this passport ID");

        transferRequests[id] = newWallet;

        emit TransferRequested(msg.sender, newWallet, id);
    }

    /**
     * @notice Accepts a pending passport transfer to the msg.sender's wallet.
     * @dev Can be called by the new wallet to accept the transfer.
     */
    function acceptTransfer(uint256 _passportId) public whenNotPaused {
        address newWallet = transferRequests[_passportId];
        require(newWallet == msg.sender, "You are not authorized to accept this transfer");

        address oldWallet = idPassport[_passportId];
        require(oldWallet != address(0), "Passport does not exist");

        passportId[oldWallet] = 0;
        passportId[newWallet] = _passportId;
        idPassport[_passportId] = newWallet;
        walletActive[oldWallet] = false;
        walletActive[newWallet] = true;
        totalPassportTransfers++;

        delete transferRequests[_passportId];

        emit TransferAccepted(oldWallet, newWallet, _passportId);
        emit Transfer(_passportId, _passportId, oldWallet, newWallet);
    }

    /**
     * @notice Revokes a pending passport transfer.
     * @dev Can only be called by the passport owner and when the contract is not paused.
     * @param _passportId The ID of the passport for which to revoke the transfer.
     */
    function revokeTransfer(uint256 _passportId) public whenNotPaused {
        address owner = idPassport[_passportId];
        require(owner == msg.sender, "You are not the owner of this passport");
        require(transferRequests[_passportId] != address(0), "No pending transfer to revoke");

        delete transferRequests[_passportId];

        emit TransferRevoked(msg.sender, _passportId);
    }

    // Admin

    /**
     * @notice Transfers the passport ID from one wallet to another.
     * @dev Can only be called by the owner (aka admin).
     * @param wallet The address of the wallet to transfer the passport from.
     * @param id The new passport ID to assign to the wallet.
     */
    function adminTransfer(address wallet, uint256 id) public onlyOwner {
        uint256 oldId = passportId[wallet];
        address idOwner = idPassport[id];
        require(oldId != 0, "Wallet does not have a passport to transfer from");
        require(idOwner == address(0), "New passport id already has a owner");

        string memory source = idSource[oldId];
        idSource[id] = source;
        idSource[oldId] = "";
        passportId[wallet] = id;
        idPassport[oldId] = address(0);
        walletActive[wallet] = true;
        idActive[id] = true;
        idActive[oldId] = false;

        totalPassportTransfers++;

        emit Transfer(oldId, id, wallet, wallet);
    }

    /**
     * @notice Activates the passport with the given passport ID.
     * @dev Can only be called by the owner when the contract is not paused.
     * @param _passportId The ID of the passport to activate.
     */
    function activate(uint256 _passportId) public whenNotPaused onlyOwner {
        address wallet = idPassport[_passportId];
        require(wallet != address(0), "Passport must exist");
        require(walletActive[wallet] == false, "Passport must be inactive");

        walletActive[wallet] = true;
        idActive[_passportId] = true;

        // emit event
        emit Activate(wallet, _passportId);
    }

    /**
     * @notice Deactivates the passport with the given passport ID.
     * @dev Can only be called by the owner when the contract is not paused.
     * @param _passportId The ID of the passport to deactivate.
     */
    function deactivate(uint256 _passportId) public whenNotPaused onlyOwner {
        address wallet = idPassport[_passportId];
        require(wallet != address(0), "Passport must exist");
        require(walletActive[wallet] == true, "Passport must be active");

        walletActive[wallet] = false;
        idActive[_passportId] = false;

        // emit event
        emit Deactivate(wallet, _passportId);
    }

    /**
     * @notice Pauses the contract, disabling future creations.
     * @dev Can only be called by the owner.
     */
    function pause() public whenNotPaused onlyOwner {
        _pause();
    }

    /**
     * @notice Enables the contract, enabling new creations.
     * @dev Can only be called by the owner.
     */
    function unpause() public whenPaused onlyOwner {
        _unpause();
    }

    /**
     * @notice Changes the contract generation mode.
     * @dev Can only be called by the owner.
     * @param sequentialFlag Set to true for sequential generation mode, false for admin generation mode.
     * @param nextSequentialPassportId The next sequential passport ID to be issued.
     */
    function setGenerationMode(bool sequentialFlag, uint256 nextSequentialPassportId) public onlyOwner {
        _sequencial = sequentialFlag;
        _nextSequentialPassportId = nextSequentialPassportId;

        emit PassportGenerationChanged(sequentialFlag, nextSequentialPassportId);
    }

    /**
     * @dev Returns true if the contract is in sequencial mode, and false otherwise.
     */
    function sequencial() public view virtual returns (bool) {
        return _sequencial;
    }

    /**
     * @dev Returns the next id to be generated.
     */
    function nextId() public view virtual returns (uint256) {
        return _nextSequentialPassportId;
    }

    // private

    /**
     * @dev Creates a new passport with the given ID for the specified wallet.
     * @param wallet The address of the wallet to associate with the new passport.
     * @param id The ID to assign to the new passport.
     * @param source The source of the passport creation.
     */
    function _create(address wallet, uint256 id, string memory source) private {
        require(idPassport[id] == address(0), "Passport id already issued");

        totalCreates++;

        idPassport[id] = wallet;
        passportId[wallet] = id;
        walletActive[wallet] = true;
        idActive[id] = true;
        idSource[id] = source;
        
        uint256 result = sourcePassports[source] + 1;
        sourcePassports[source] = result;

        emit Create(wallet, id, source);
    }
}

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

pragma solidity ^0.8.20;

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

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    bool private _paused;

    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    /**
     * @dev The operation failed because the contract is paused.
     */
    error EnforcedPause();

    /**
     * @dev The operation failed because the contract is not paused.
     */
    error ExpectedPause();

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        if (paused()) {
            revert EnforcedPause();
        }
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        if (!paused()) {
            revert ExpectedPause();
        }
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

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

pragma solidity ^0.8.20;

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

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

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

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

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

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol";
import "./PassportBuilderScore.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract TalentBuilderScore is Ownable {
    using ECDSA for bytes32;

    address public trustedSigner;
    address public feeReceiver;
    PassportBuilderScore public passportBuilderScore;
    PassportRegistry public passportRegistry;
    uint256 public cost = 0.0001 ether;

    event BuilderScoreSet(address indexed user, uint256 score, uint256 talentId);

    bool public enabled;

    constructor(
        address _trustedSigner,
        address _passportBuilderScoreAddress,
        address _passportRegistryAddress,
        address _feeReceiver
    ) Ownable(_trustedSigner) {
        trustedSigner = _trustedSigner;
        passportBuilderScore = PassportBuilderScore(_passportBuilderScoreAddress);
        passportRegistry = PassportRegistry(_passportRegistryAddress);
        feeReceiver = _feeReceiver;
        enabled = true;
    }

    /**
     * @notice Changes the owner of passport registry.
     * @param _newOwner The new owner of passport registry.
     * @dev Can only be called by the owner.
     */
    function setPassportRegistryOwner(address _newOwner) public onlyOwner {
        passportRegistry.transferOwnership(_newOwner);
    }

    /**
     * @notice Enables or disables the SmartBuilderScore contract.
     * @param _enabled Whether the SmartBuilderScore contract should be enabled.
     * @dev Can only be called by the owner.
     */
    function setEnabled(bool _enabled) public onlyOwner {
        enabled = _enabled;
    }

    /**
     * @notice Disables the SmartBuilderScore contract.
     * @dev Can only be called by the owner.
     */
    function setDisabled() public onlyOwner {
        enabled = false;
    }

    /**
     * @notice Sets the cost of adding a score.
     * @param _cost The cost of adding a score.
     * @dev Can only be called by the owner.
     */
    function setCost(uint256 _cost) public onlyOwner {
        cost = _cost;
    }

    /**
     * @notice Updates the fee receiver address.
     * @param _feeReceiver The new fee receiver address.
     * @dev Can only be called by the owner.
     */
    function updateReceiver(address _feeReceiver) public onlyOwner {
        feeReceiver = _feeReceiver;
    }

    /**
     * @notice Creates an attestation if the provided number is signed by the trusted signer.
     * @param score The number to be attested.
     * @param talentId The number of the talent profile to receive the attestation.
     * @param wallet The wallet to receive the attestation.
     * @param signature The signature of the trusted signer.
     */
    function addScore(uint256 score, uint256 talentId, address wallet, bytes memory signature) public payable {
        require(enabled, "Setting the Builder Score is disabled for this contract");
        // Ensure the caller has paid the required fee
        require(msg.value >= cost, "Insufficient payment");
        // Hash the number
        bytes32 numberHash = keccak256(abi.encodePacked(score, talentId, wallet));

        // Recover the address that signed the hash
        address signer = MessageHashUtils.toEthSignedMessageHash(numberHash).recover(signature);

        // Ensure the signer is the trusted signer
        require(signer == trustedSigner, "Invalid signature");

        // Transfer fee to fee receiver
        payable(feeReceiver).transfer(msg.value);

        // Create passport if it does not exist
        if(passportRegistry.idPassport(talentId) == address(0)) {
            passportRegistry.adminCreate("talent_builder_score", wallet, talentId);
        }

        // Emit event
        require(passportBuilderScore.setScore(talentId, score), "Failed to set score");
        emit BuilderScoreSet(wallet, score, talentId);
    }
}

{
  "compilationTarget": {
    "contracts/passport/TalentBuilderScore.sol": "TalentBuilderScore"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 2000
  },
  "remappings": []
}