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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

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

import "./ILXDAOBuidlerMetadata.sol";
import "./Base58.sol";

contract LXDAOBuidlerMetadata is Ownable, ILXDAOBuidlerMetadata, Base58 {
    using ECDSA for bytes32;

    string public baseURI = "ipfs://";
    bytes32 public tokenLxPointsURI;
    mapping(uint256 => bytes32) public tokenMetadataURIs;

    address private signer;
    // the controller of this metadata contract
    address private _controller;

    event SignerChanged();
    event ControllerChanged();
    event BaseURIChanged(address operator, string baseURI);
    event MetadataChanged(uint256 tokenId);
    event MultipleMetadataChanged(uint256[] tokenId);
    event LXPointsChanged();

    constructor(address _signer) {
        require(
            _signer != address(0),
            "LXDAOBuidlerMetadata: The signer cannot be initialized zero."
        );
        signer = _signer;
    }

    modifier onlyOwnerOrController() {
        require(
            _controller == _msgSender() || owner() == _msgSender(),
            "LXDAOBuidlerMetadata: caller is not the controller or contract owner."
        );
        _;
    }

    function setSigner(address _signer) external onlyOwner {
        signer = _signer;
        emit SignerChanged();
    }

    function getSigner() external view onlyOwner returns (address) {
        return signer;
    }

    function updateController(address controller) external onlyOwner {
        _controller = controller;
        emit ControllerChanged();
    }

    function getController() external view onlyOwner returns (address) {
        return _controller;
    }

    function updateBaseURI(string calldata _newBaseURI) external onlyOwner {
        baseURI = _newBaseURI;
        emit BaseURIChanged(msg.sender, _newBaseURI);
    }

    function _baseURI() internal view returns (string memory) {
        return baseURI;
    }

    function _hashBytes(bytes calldata ipfsHash)
        internal
        pure
        returns (bytes32)
    {
        return keccak256(abi.encode(ipfsHash));
    }

    function _verify(bytes32 hash, bytes memory token)
        internal
        view
        returns (bool)
    {
        return (_recover(hash, token) == signer);
    }

    function _recover(bytes32 hash, bytes memory token)
        internal
        pure
        returns (address)
    {
        return hash.toEthSignedMessageHash().recover(token);
    }

    function bytesTo32(bytes calldata source) private pure returns (bytes32) {
        return bytes32(source[:32]);
    }

    /**
     * @notice cidv0 is used to convert sha256 hash to cid(v0) used by IPFS.
     * @param sha256Hash_ sha256 hash generated by anything.
     * @return IPFS cid that meets the version0 specification.
     */
    function cidv0(bytes32 sha256Hash_) private pure returns (string memory) {
        bytes memory hashString = new bytes(34);
        hashString[0] = 0x12;
        hashString[1] = 0x20;
        uint256 hashLength = sha256Hash_.length;
        for (uint256 i = 0; i < hashLength; ++i) {
            hashString[i + 2] = sha256Hash_[i];
        }
        return Base58.encodeToString(hashString);
    }

    function create(uint256 tokenId, bytes calldata metadataURI)
        external
        onlyOwnerOrController
    {
        tokenMetadataURIs[tokenId] = bytesTo32(metadataURI);

        emit MetadataChanged(tokenId);
    }

    function update(uint256 tokenId, bytes calldata metadataURI)
        external
        onlyOwnerOrController
    {
        tokenMetadataURIs[tokenId] = bytesTo32(metadataURI);

        emit MetadataChanged(tokenId);
    }

    function batchUpdate(
        uint256[] calldata tokenIds,
        bytes[] calldata metadataURIs
    ) external onlyOwnerOrController {
        for (uint256 i = 0; i < tokenIds.length; i++) {
            uint256 tokenId = tokenIds[i];
            tokenMetadataURIs[tokenId] = bytesTo32(metadataURIs[i]);
        }
        emit MultipleMetadataChanged(tokenIds);
    }

    function updateLXPointsURI(
        bytes calldata metadataURI,
        bytes calldata signature
    ) external onlyOwner {
        require(
            _verify(_hashBytes(metadataURI), signature),
            "LXDAOBuidlerMetadata: Invalid signature."
        );

        tokenLxPointsURI = bytesTo32(metadataURI);
        emit LXPointsChanged();
    }

    function tokenURI(uint256 tokenId) external view returns (string memory) {
        bytes32 hash = tokenMetadataURIs[tokenId];
        return string(abi.encodePacked(_baseURI(), cidv0(hash)));
    }

    function lxPointsURI() external view returns (string memory) {
        if (tokenLxPointsURI == bytes32(0)) {
            return "";
        }
        return string(abi.encodePacked(_baseURI(), cidv0(tokenLxPointsURI)));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface ILXDAOBuidlerMetadata {
    function create(uint256 tokenId, bytes calldata metadataURI) external;

    function update(uint256 tokenId, bytes calldata metadataURI) external;

    function batchUpdate(
        uint256[] calldata tokenIds,
        bytes[] calldata metadataURIs
    ) external;

    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/**
 * Ported from https://github.com/storyicon/base58-solidity/blob/master/contracts/Base58.sol
 */
// use contract instead of library to avoid deployment
contract Base58 {
    bytes constant ALPHABET =
        "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";

    /**
     * @notice encode is used to encode the given bytes in base58 standard.
     * @param data_ raw data, passed in as bytes.
     * @return base58 encoded data_, returned as bytes.
     */
    function encode(bytes memory data_) public pure returns (bytes memory) {
        unchecked {
            uint256 size = data_.length;
            uint256 zeroCount;
            while (zeroCount < size && data_[zeroCount] == 0) {
                zeroCount++;
            }
            size = zeroCount + ((size - zeroCount) * 8351) / 6115 + 1;
            bytes memory slot = new bytes(size);
            uint32 carry;
            int256 m;
            int256 high = int256(size) - 1;
            for (uint256 i = 0; i < data_.length; i++) {
                m = int256(size - 1);
                for (carry = uint8(data_[i]); m > high || carry != 0; m--) {
                    carry = carry + 256 * uint8(slot[uint256(m)]);
                    slot[uint256(m)] = bytes1(uint8(carry % 58));
                    carry /= 58;
                }
                high = m;
            }
            uint256 n;
            for (n = zeroCount; n < size && slot[n] == 0; n++) {}
            size = slot.length - (n - zeroCount);
            bytes memory out = new bytes(size);
            for (uint256 i = 0; i < size; i++) {
                uint256 j = i + n - zeroCount;
                out[i] = ALPHABET[uint8(slot[j])];
            }
            return out;
        }
    }

    /**
     * @notice decode is used to decode the given string in base58 standard.
     * @param data_ data encoded with base58, passed in as bytes.
     * @return raw data, returned as bytes.
     */
    function decode(bytes memory data_) public pure returns (bytes memory) {
        unchecked {
            uint256 zero = 49;
            uint256 b58sz = data_.length;
            uint256 zcount = 0;
            for (uint256 i = 0; i < b58sz && uint8(data_[i]) == zero; i++) {
                zcount++;
            }
            uint256 t;
            uint256 c;
            bool f;
            bytes memory binu = new bytes(2 * (((b58sz * 8351) / 6115) + 1));
            uint32[] memory outi = new uint32[]((b58sz + 3) / 4);
            for (uint256 i = 0; i < data_.length; i++) {
                bytes1 r = data_[i];
                (c, f) = indexOf(ALPHABET, r);
                require(f, "invalid base58 digit");
                for (int256 k = int256(outi.length) - 1; k >= 0; k--) {
                    t = uint64(outi[uint256(k)]) * 58 + c;
                    c = t >> 32;
                    outi[uint256(k)] = uint32(t & 0xffffffff);
                }
            }
            uint64 mask = uint64(b58sz % 4) * 8;
            if (mask == 0) {
                mask = 32;
            }
            mask -= 8;
            uint256 outLen = 0;
            for (uint256 j = 0; j < outi.length; j++) {
                while (mask < 32) {
                    binu[outLen] = bytes1(uint8(outi[j] >> mask));
                    outLen++;
                    if (mask < 8) {
                        break;
                    }
                    mask -= 8;
                }
                mask = 24;
            }
            for (uint256 msb = zcount; msb < binu.length; msb++) {
                if (binu[msb] > 0) {
                    return slice(binu, msb - zcount, outLen);
                }
            }
            return slice(binu, 0, outLen);
        }
    }

    /**
     * @notice encodeToString is used to encode the given byte in base58 standard.
     * @param data_ raw data, passed in as bytes.
     * @return base58 encoded data_, returned as a string.
     */
    function encodeToString(bytes memory data_)
        public
        pure
        returns (string memory)
    {
        return string(encode(data_));
    }

    /**
     * @notice encodeFromString is used to encode the given string in base58 standard.
     * @param data_ raw data, passed in as a string.
     * @return base58 encoded data_, returned as bytes.
     */
    function encodeFromString(string memory data_)
        public
        pure
        returns (bytes memory)
    {
        return encode(bytes(data_));
    }

    /**
     * @notice decode is used to decode the given string in base58 standard.
     * @param data_ data encoded with base58, passed in as string.
     * @return raw data, returned as bytes.
     */
    function decodeFromString(string memory data_)
        public
        pure
        returns (bytes memory)
    {
        return decode(bytes(data_));
    }

    /**
     * @notice slice is used to slice the given byte, returns the bytes in the range of [start_, end_)
     * @param data_ raw data, passed in as bytes.
     * @param start_ start index.
     * @param end_ end index.
     * @return slice data
     */
    function slice(
        bytes memory data_,
        uint256 start_,
        uint256 end_
    ) public pure returns (bytes memory) {
        unchecked {
            bytes memory ret = new bytes(end_ - start_);
            for (uint256 i = 0; i < end_ - start_; i++) {
                ret[i] = data_[i + start_];
            }
            return ret;
        }
    }

    /**
     * @notice indexOf is used to find where char_ appears in data_.
     * @param data_ raw data, passed in as bytes.
     * @param char_ target byte.
     * @return index, and whether the search was successful.
     */
    function indexOf(bytes memory data_, bytes1 char_)
        public
        pure
        returns (uint256, bool)
    {
        unchecked {
            for (uint256 i = 0; i < data_.length; i++) {
                if (data_[i] == char_) {
                    return (i, true);
                }
            }
            return (0, false);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../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.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev 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 {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_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) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @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] = _HEX_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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.3) (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
    }

    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");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' 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 (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // 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) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @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) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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0000000000000000000000003b909177382dd656def6efd0dff3c2556b6f6d94

-----Decoded View---------------
Arg [0] : _signer (address): 0x3B909177382DD656Def6efd0DFf3C2556b6f6d94

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000003b909177382dd656def6efd0dff3c2556b6f6d94