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// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {Attestation} from "@ethereum-attestation-service/eas-contracts/contracts/IEAS.sol";

import {ScrollBadgeAccessControl} from "./Badge/extensions/ScrollBadgeAccessControl.sol";
import {ScrollBadgeSingleton} from "./Badge/extensions/ScrollBadgeSingleton.sol";
import {ScrollBadge} from "./Badge/ScrollBadge.sol";

/// @title ScrollBadgeSimple
/// @notice A simple badge that has the same static metadata for each token.
contract HypoDropBadge is ScrollBadgeAccessControl, ScrollBadgeSingleton {
    string public sharedTokenURI;

    constructor(address resolver_, string memory tokenUri_) ScrollBadge(resolver_) {
        sharedTokenURI = tokenUri_;
    }

    /// @inheritdoc ScrollBadge
    function onIssueBadge(Attestation calldata attestation)
        internal
        override (ScrollBadgeAccessControl, ScrollBadgeSingleton)
        returns (bool)
    {
        return super.onIssueBadge(attestation);
    }

    /// @inheritdoc ScrollBadge
    function onRevokeBadge(Attestation calldata attestation)
        internal
        override (ScrollBadgeAccessControl, ScrollBadgeSingleton)
        returns (bool)
    {
        return super.onRevokeBadge(attestation);
    }

    /// @inheritdoc ScrollBadge
    function badgeTokenURI(bytes32 /*uid*/ ) public view override returns (string memory) {
        return sharedTokenURI;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

// A representation of an empty/uninitialized UID.
bytes32 constant EMPTY_UID = 0;

// A zero expiration represents an non-expiring attestation.
uint64 constant NO_EXPIRATION_TIME = 0;

error AccessDenied();
error DeadlineExpired();
error InvalidEAS();
error InvalidLength();
error InvalidSignature();
error NotFound();

/// @notice A struct representing ECDSA signature data.
struct Signature {
    uint8 v; // The recovery ID.
    bytes32 r; // The x-coordinate of the nonce R.
    bytes32 s; // The signature data.
}

/// @notice A struct representing a single attestation.
struct Attestation {
    bytes32 uid; // A unique identifier of the attestation.
    bytes32 schema; // The unique identifier of the schema.
    uint64 time; // The time when the attestation was created (Unix timestamp).
    uint64 expirationTime; // The time when the attestation expires (Unix timestamp).
    uint64 revocationTime; // The time when the attestation was revoked (Unix timestamp).
    bytes32 refUID; // The UID of the related attestation.
    address recipient; // The recipient of the attestation.
    address attester; // The attester/sender of the attestation.
    bool revocable; // Whether the attestation is revocable.
    bytes data; // Custom attestation data.
}

/// @notice A helper function to work with unchecked iterators in loops.
function uncheckedInc(uint256 i) pure returns (uint256 j) {
    unchecked {
        j = i + 1;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { ISchemaRegistry } from "./ISchemaRegistry.sol";
import { ISemver } from "./ISemver.sol";
import { Attestation, Signature } from "./Common.sol";

/// @notice A struct representing the arguments of the attestation request.
struct AttestationRequestData {
    address recipient; // The recipient of the attestation.
    uint64 expirationTime; // The time when the attestation expires (Unix timestamp).
    bool revocable; // Whether the attestation is revocable.
    bytes32 refUID; // The UID of the related attestation.
    bytes data; // Custom attestation data.
    uint256 value; // An explicit ETH amount to send to the resolver. This is important to prevent accidental user errors.
}

/// @notice A struct representing the full arguments of the attestation request.
struct AttestationRequest {
    bytes32 schema; // The unique identifier of the schema.
    AttestationRequestData data; // The arguments of the attestation request.
}

/// @notice A struct representing the full arguments of the full delegated attestation request.
struct DelegatedAttestationRequest {
    bytes32 schema; // The unique identifier of the schema.
    AttestationRequestData data; // The arguments of the attestation request.
    Signature signature; // The ECDSA signature data.
    address attester; // The attesting account.
    uint64 deadline; // The deadline of the signature/request.
}

/// @notice A struct representing the full arguments of the multi attestation request.
struct MultiAttestationRequest {
    bytes32 schema; // The unique identifier of the schema.
    AttestationRequestData[] data; // The arguments of the attestation request.
}

/// @notice A struct representing the full arguments of the delegated multi attestation request.
struct MultiDelegatedAttestationRequest {
    bytes32 schema; // The unique identifier of the schema.
    AttestationRequestData[] data; // The arguments of the attestation requests.
    Signature[] signatures; // The ECDSA signatures data. Please note that the signatures are assumed to be signed with increasing nonces.
    address attester; // The attesting account.
    uint64 deadline; // The deadline of the signature/request.
}

/// @notice A struct representing the arguments of the revocation request.
struct RevocationRequestData {
    bytes32 uid; // The UID of the attestation to revoke.
    uint256 value; // An explicit ETH amount to send to the resolver. This is important to prevent accidental user errors.
}

/// @notice A struct representing the full arguments of the revocation request.
struct RevocationRequest {
    bytes32 schema; // The unique identifier of the schema.
    RevocationRequestData data; // The arguments of the revocation request.
}

/// @notice A struct representing the arguments of the full delegated revocation request.
struct DelegatedRevocationRequest {
    bytes32 schema; // The unique identifier of the schema.
    RevocationRequestData data; // The arguments of the revocation request.
    Signature signature; // The ECDSA signature data.
    address revoker; // The revoking account.
    uint64 deadline; // The deadline of the signature/request.
}

/// @notice A struct representing the full arguments of the multi revocation request.
struct MultiRevocationRequest {
    bytes32 schema; // The unique identifier of the schema.
    RevocationRequestData[] data; // The arguments of the revocation request.
}

/// @notice A struct representing the full arguments of the delegated multi revocation request.
struct MultiDelegatedRevocationRequest {
    bytes32 schema; // The unique identifier of the schema.
    RevocationRequestData[] data; // The arguments of the revocation requests.
    Signature[] signatures; // The ECDSA signatures data. Please note that the signatures are assumed to be signed with increasing nonces.
    address revoker; // The revoking account.
    uint64 deadline; // The deadline of the signature/request.
}

/// @title IEAS
/// @notice EAS - Ethereum Attestation Service interface.
interface IEAS is ISemver {
    /// @notice Emitted when an attestation has been made.
    /// @param recipient The recipient of the attestation.
    /// @param attester The attesting account.
    /// @param uid The UID of the new attestation.
    /// @param schemaUID The UID of the schema.
    event Attested(address indexed recipient, address indexed attester, bytes32 uid, bytes32 indexed schemaUID);

    /// @notice Emitted when an attestation has been revoked.
    /// @param recipient The recipient of the attestation.
    /// @param attester The attesting account.
    /// @param schemaUID The UID of the schema.
    /// @param uid The UID the revoked attestation.
    event Revoked(address indexed recipient, address indexed attester, bytes32 uid, bytes32 indexed schemaUID);

    /// @notice Emitted when a data has been timestamped.
    /// @param data The data.
    /// @param timestamp The timestamp.
    event Timestamped(bytes32 indexed data, uint64 indexed timestamp);

    /// @notice Emitted when a data has been revoked.
    /// @param revoker The address of the revoker.
    /// @param data The data.
    /// @param timestamp The timestamp.
    event RevokedOffchain(address indexed revoker, bytes32 indexed data, uint64 indexed timestamp);

    /// @notice Returns the address of the global schema registry.
    /// @return The address of the global schema registry.
    function getSchemaRegistry() external view returns (ISchemaRegistry);

    /// @notice Attests to a specific schema.
    /// @param request The arguments of the attestation request.
    /// @return The UID of the new attestation.
    ///
    /// Example:
    ///     attest({
    ///         schema: "0facc36681cbe2456019c1b0d1e7bedd6d1d40f6f324bf3dd3a4cef2999200a0",
    ///         data: {
    ///             recipient: "0xdEADBeAFdeAdbEafdeadbeafDeAdbEAFdeadbeaf",
    ///             expirationTime: 0,
    ///             revocable: true,
    ///             refUID: "0x0000000000000000000000000000000000000000000000000000000000000000",
    ///             data: "0xF00D",
    ///             value: 0
    ///         }
    ///     })
    function attest(AttestationRequest calldata request) external payable returns (bytes32);

    /// @notice Attests to a specific schema via the provided ECDSA signature.
    /// @param delegatedRequest The arguments of the delegated attestation request.
    /// @return The UID of the new attestation.
    ///
    /// Example:
    ///     attestByDelegation({
    ///         schema: '0x8e72f5bc0a8d4be6aa98360baa889040c50a0e51f32dbf0baa5199bd93472ebc',
    ///         data: {
    ///             recipient: '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
    ///             expirationTime: 1673891048,
    ///             revocable: true,
    ///             refUID: '0x0000000000000000000000000000000000000000000000000000000000000000',
    ///             data: '0x1234',
    ///             value: 0
    ///         },
    ///         signature: {
    ///             v: 28,
    ///             r: '0x148c...b25b',
    ///             s: '0x5a72...be22'
    ///         },
    ///         attester: '0xc5E8740aD971409492b1A63Db8d83025e0Fc427e',
    ///         deadline: 1673891048
    ///     })
    function attestByDelegation(
        DelegatedAttestationRequest calldata delegatedRequest
    ) external payable returns (bytes32);

    /// @notice Attests to multiple schemas.
    /// @param multiRequests The arguments of the multi attestation requests. The requests should be grouped by distinct
    ///     schema ids to benefit from the best batching optimization.
    /// @return The UIDs of the new attestations.
    ///
    /// Example:
    ///     multiAttest([{
    ///         schema: '0x33e9094830a5cba5554d1954310e4fbed2ef5f859ec1404619adea4207f391fd',
    ///         data: [{
    ///             recipient: '0xdEADBeAFdeAdbEafdeadbeafDeAdbEAFdeadbeaf',
    ///             expirationTime: 1673891048,
    ///             revocable: true,
    ///             refUID: '0x0000000000000000000000000000000000000000000000000000000000000000',
    ///             data: '0x1234',
    ///             value: 1000
    ///         },
    ///         {
    ///             recipient: '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
    ///             expirationTime: 0,
    ///             revocable: false,
    ///             refUID: '0x480df4a039efc31b11bfdf491b383ca138b6bde160988222a2a3509c02cee174',
    ///             data: '0x00',
    ///             value: 0
    ///         }],
    ///     },
    ///     {
    ///         schema: '0x5ac273ce41e3c8bfa383efe7c03e54c5f0bff29c9f11ef6ffa930fc84ca32425',
    ///         data: [{
    ///             recipient: '0xdEADBeAFdeAdbEafdeadbeafDeAdbEAFdeadbeaf',
    ///             expirationTime: 0,
    ///             revocable: true,
    ///             refUID: '0x75bf2ed8dca25a8190c50c52db136664de25b2449535839008ccfdab469b214f',
    ///             data: '0x12345678',
    ///             value: 0
    ///         },
    ///     }])
    function multiAttest(MultiAttestationRequest[] calldata multiRequests) external payable returns (bytes32[] memory);

    /// @notice Attests to multiple schemas using via provided ECDSA signatures.
    /// @param multiDelegatedRequests The arguments of the delegated multi attestation requests. The requests should be
    ///     grouped by distinct schema ids to benefit from the best batching optimization.
    /// @return The UIDs of the new attestations.
    ///
    /// Example:
    ///     multiAttestByDelegation([{
    ///         schema: '0x8e72f5bc0a8d4be6aa98360baa889040c50a0e51f32dbf0baa5199bd93472ebc',
    ///         data: [{
    ///             recipient: '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
    ///             expirationTime: 1673891048,
    ///             revocable: true,
    ///             refUID: '0x0000000000000000000000000000000000000000000000000000000000000000',
    ///             data: '0x1234',
    ///             value: 0
    ///         },
    ///         {
    ///             recipient: '0xdEADBeAFdeAdbEafdeadbeafDeAdbEAFdeadbeaf',
    ///             expirationTime: 0,
    ///             revocable: false,
    ///             refUID: '0x0000000000000000000000000000000000000000000000000000000000000000',
    ///             data: '0x00',
    ///             value: 0
    ///         }],
    ///         signatures: [{
    ///             v: 28,
    ///             r: '0x148c...b25b',
    ///             s: '0x5a72...be22'
    ///         },
    ///         {
    ///             v: 28,
    ///             r: '0x487s...67bb',
    ///             s: '0x12ad...2366'
    ///         }],
    ///         attester: '0x1D86495b2A7B524D747d2839b3C645Bed32e8CF4',
    ///         deadline: 1673891048
    ///     }])
    function multiAttestByDelegation(
        MultiDelegatedAttestationRequest[] calldata multiDelegatedRequests
    ) external payable returns (bytes32[] memory);

    /// @notice Revokes an existing attestation to a specific schema.
    /// @param request The arguments of the revocation request.
    ///
    /// Example:
    ///     revoke({
    ///         schema: '0x8e72f5bc0a8d4be6aa98360baa889040c50a0e51f32dbf0baa5199bd93472ebc',
    ///         data: {
    ///             uid: '0x101032e487642ee04ee17049f99a70590c735b8614079fc9275f9dd57c00966d',
    ///             value: 0
    ///         }
    ///     })
    function revoke(RevocationRequest calldata request) external payable;

    /// @notice Revokes an existing attestation to a specific schema via the provided ECDSA signature.
    /// @param delegatedRequest The arguments of the delegated revocation request.
    ///
    /// Example:
    ///     revokeByDelegation({
    ///         schema: '0x8e72f5bc0a8d4be6aa98360baa889040c50a0e51f32dbf0baa5199bd93472ebc',
    ///         data: {
    ///             uid: '0xcbbc12102578c642a0f7b34fe7111e41afa25683b6cd7b5a14caf90fa14d24ba',
    ///             value: 0
    ///         },
    ///         signature: {
    ///             v: 27,
    ///             r: '0xb593...7142',
    ///             s: '0x0f5b...2cce'
    ///         },
    ///         revoker: '0x244934dd3e31bE2c81f84ECf0b3E6329F5381992',
    ///         deadline: 1673891048
    ///     })
    function revokeByDelegation(DelegatedRevocationRequest calldata delegatedRequest) external payable;

    /// @notice Revokes existing attestations to multiple schemas.
    /// @param multiRequests The arguments of the multi revocation requests. The requests should be grouped by distinct
    ///     schema ids to benefit from the best batching optimization.
    ///
    /// Example:
    ///     multiRevoke([{
    ///         schema: '0x8e72f5bc0a8d4be6aa98360baa889040c50a0e51f32dbf0baa5199bd93472ebc',
    ///         data: [{
    ///             uid: '0x211296a1ca0d7f9f2cfebf0daaa575bea9b20e968d81aef4e743d699c6ac4b25',
    ///             value: 1000
    ///         },
    ///         {
    ///             uid: '0xe160ac1bd3606a287b4d53d5d1d6da5895f65b4b4bab6d93aaf5046e48167ade',
    ///             value: 0
    ///         }],
    ///     },
    ///     {
    ///         schema: '0x5ac273ce41e3c8bfa383efe7c03e54c5f0bff29c9f11ef6ffa930fc84ca32425',
    ///         data: [{
    ///             uid: '0x053d42abce1fd7c8fcddfae21845ad34dae287b2c326220b03ba241bc5a8f019',
    ///             value: 0
    ///         },
    ///     }])
    function multiRevoke(MultiRevocationRequest[] calldata multiRequests) external payable;

    /// @notice Revokes existing attestations to multiple schemas via provided ECDSA signatures.
    /// @param multiDelegatedRequests The arguments of the delegated multi revocation attestation requests. The requests
    ///     should be grouped by distinct schema ids to benefit from the best batching optimization.
    ///
    /// Example:
    ///     multiRevokeByDelegation([{
    ///         schema: '0x8e72f5bc0a8d4be6aa98360baa889040c50a0e51f32dbf0baa5199bd93472ebc',
    ///         data: [{
    ///             uid: '0x211296a1ca0d7f9f2cfebf0daaa575bea9b20e968d81aef4e743d699c6ac4b25',
    ///             value: 1000
    ///         },
    ///         {
    ///             uid: '0xe160ac1bd3606a287b4d53d5d1d6da5895f65b4b4bab6d93aaf5046e48167ade',
    ///             value: 0
    ///         }],
    ///         signatures: [{
    ///             v: 28,
    ///             r: '0x148c...b25b',
    ///             s: '0x5a72...be22'
    ///         },
    ///         {
    ///             v: 28,
    ///             r: '0x487s...67bb',
    ///             s: '0x12ad...2366'
    ///         }],
    ///         revoker: '0x244934dd3e31bE2c81f84ECf0b3E6329F5381992',
    ///         deadline: 1673891048
    ///     }])
    function multiRevokeByDelegation(
        MultiDelegatedRevocationRequest[] calldata multiDelegatedRequests
    ) external payable;

    /// @notice Timestamps the specified bytes32 data.
    /// @param data The data to timestamp.
    /// @return The timestamp the data was timestamped with.
    function timestamp(bytes32 data) external returns (uint64);

    /// @notice Timestamps the specified multiple bytes32 data.
    /// @param data The data to timestamp.
    /// @return The timestamp the data was timestamped with.
    function multiTimestamp(bytes32[] calldata data) external returns (uint64);

    /// @notice Revokes the specified bytes32 data.
    /// @param data The data to timestamp.
    /// @return The timestamp the data was revoked with.
    function revokeOffchain(bytes32 data) external returns (uint64);

    /// @notice Revokes the specified multiple bytes32 data.
    /// @param data The data to timestamp.
    /// @return The timestamp the data was revoked with.
    function multiRevokeOffchain(bytes32[] calldata data) external returns (uint64);

    /// @notice Returns an existing attestation by UID.
    /// @param uid The UID of the attestation to retrieve.
    /// @return The attestation data members.
    function getAttestation(bytes32 uid) external view returns (Attestation memory);

    /// @notice Checks whether an attestation exists.
    /// @param uid The UID of the attestation to retrieve.
    /// @return Whether an attestation exists.
    function isAttestationValid(bytes32 uid) external view returns (bool);

    /// @notice Returns the timestamp that the specified data was timestamped with.
    /// @param data The data to query.
    /// @return The timestamp the data was timestamped with.
    function getTimestamp(bytes32 data) external view returns (uint64);

    /// @notice Returns the timestamp that the specified data was timestamped with.
    /// @param data The data to query.
    /// @return The timestamp the data was timestamped with.
    function getRevokeOffchain(address revoker, bytes32 data) external view returns (uint64);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

import { ISchemaResolver } from "./resolver/ISchemaResolver.sol";

/// @notice A struct representing a record for a submitted schema.
struct SchemaRecord {
    bytes32 uid; // The unique identifier of the schema.
    ISchemaResolver resolver; // Optional schema resolver.
    bool revocable; // Whether the schema allows revocations explicitly.
    string schema; // Custom specification of the schema (e.g., an ABI).
}

/// @title ISchemaRegistry
/// @notice The interface of global attestation schemas for the Ethereum Attestation Service protocol.
interface ISchemaRegistry is ISemver {
    /// @notice Emitted when a new schema has been registered
    /// @param uid The schema UID.
    /// @param registerer The address of the account used to register the schema.
    /// @param schema The schema data.
    event Registered(bytes32 indexed uid, address indexed registerer, SchemaRecord schema);

    /// @notice Submits and reserves a new schema
    /// @param schema The schema data schema.
    /// @param resolver An optional schema resolver.
    /// @param revocable Whether the schema allows revocations explicitly.
    /// @return The UID of the new schema.
    function register(string calldata schema, ISchemaResolver resolver, bool revocable) external returns (bytes32);

    /// @notice Returns an existing schema by UID
    /// @param uid The UID of the schema to retrieve.
    /// @return The schema data members.
    function getSchema(bytes32 uid) external view returns (SchemaRecord memory);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title ISemver
/// @notice A semver interface.
interface ISemver {
    /// @notice Returns the full semver contract version.
    /// @return Semver contract version as a string.
    function version() external view returns (string memory);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { ISemver } from "../ISemver.sol";
import { Attestation } from "../Common.sol";

/// @title ISchemaResolver
/// @notice The interface of an optional schema resolver.
interface ISchemaResolver is ISemver {
    /// @notice Checks if the resolver can be sent ETH.
    /// @return Whether the resolver supports ETH transfers.
    function isPayable() external pure returns (bool);

    /// @notice Processes an attestation and verifies whether it's valid.
    /// @param attestation The new attestation.
    /// @return Whether the attestation is valid.
    function attest(Attestation calldata attestation) external payable returns (bool);

    /// @notice Processes multiple attestations and verifies whether they are valid.
    /// @param attestations The new attestations.
    /// @param values Explicit ETH amounts which were sent with each attestation.
    /// @return Whether all the attestations are valid.
    function multiAttest(
        Attestation[] calldata attestations,
        uint256[] calldata values
    ) external payable returns (bool);

    /// @notice Processes an attestation revocation and verifies if it can be revoked.
    /// @param attestation The existing attestation to be revoked.
    /// @return Whether the attestation can be revoked.
    function revoke(Attestation calldata attestation) external payable returns (bool);

    /// @notice Processes revocation of multiple attestation and verifies they can be revoked.
    /// @param attestations The existing attestations to be revoked.
    /// @param values Explicit ETH amounts which were sent with each revocation.
    /// @return Whether the attestations can be revoked.
    function multiRevoke(
        Attestation[] calldata attestations,
        uint256[] calldata values
    ) external payable returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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. 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 {
        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 v4.9.4) (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;
    }

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

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {Attestation} from "@ethereum-attestation-service/eas-contracts/contracts/IEAS.sol";

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

import {ScrollBadge} from "../ScrollBadge.sol";
import {Unauthorized} from "../../resolver/Errors.sol";

/// @title ScrollBadgeAccessControl
/// @notice This contract adds access control to ScrollBadge.
/// @dev In EAS, only the original attester can revoke an attestation. If the original
//       attester was removed and a new was added in this contract, it will not be able
//       to revoke previous attestations.
abstract contract ScrollBadgeAccessControl is Ownable, ScrollBadge {
    // Authorized badge issuer and revoker accounts.
    mapping(address => bool) public isAttester;

    /// @notice Enables or disables a given attester.
    /// @param attester The attester address.
    /// @param enable True if enable, false if disable.
    function toggleAttester(address attester, bool enable) external onlyOwner {
        isAttester[attester] = enable;
    }

    /// @inheritdoc ScrollBadge
    function onIssueBadge(Attestation calldata attestation) internal virtual override returns (bool) {
        if (!super.onIssueBadge(attestation)) {
            return false;
        }

        // only allow authorized issuers
        if (!isAttester[attestation.attester]) {
            revert Unauthorized();
        }

        return true;
    }

    /// @inheritdoc ScrollBadge
    function onRevokeBadge(Attestation calldata attestation) internal virtual override returns (bool) {
        if (!super.onRevokeBadge(attestation)) {
            return false;
        }

        // only allow authorized revokers
        if (!isAttester[attestation.attester]) {
            revert Unauthorized();
        }

        return true;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {Attestation} from "@ethereum-attestation-service/eas-contracts/contracts/IEAS.sol";

import {ScrollBadge} from "../ScrollBadge.sol";
import {SingletonBadge} from "../../resolver/Errors.sol";

/// @title ScrollBadgeSingleton
/// @notice This contract only allows one active badge per wallet.
abstract contract ScrollBadgeSingleton is ScrollBadge {
    /// @inheritdoc ScrollBadge
    function onIssueBadge(Attestation calldata attestation) internal virtual override returns (bool) {
        if (!super.onIssueBadge(attestation)) {
            return false;
        }

        if (hasBadge(attestation.recipient)) {
            revert SingletonBadge();
        }

        return true;
    }

    /// @inheritdoc ScrollBadge
    function onRevokeBadge(Attestation calldata attestation) internal virtual override returns (bool) {
        return super.onRevokeBadge(attestation);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {Attestation} from "@ethereum-attestation-service/eas-contracts/contracts/IEAS.sol";

import {decodeBadgeData} from "../resolver/Common.sol";
import {IScrollBadge} from "../interfaces/IScrollBadge.sol";
import {IScrollBadgeResolver} from "../interfaces/IScrollBadgeResolver.sol";
import {AttestationBadgeMismatch, Unauthorized} from "../resolver/Errors.sol";

/// @title ScrollBadge
/// @notice This contract implements the basic functionalities of a Scroll badge.
///         It serves as the base contract for more complex badge functionalities.
abstract contract ScrollBadge is IScrollBadge {
    // The global Scroll badge resolver contract.
    address public immutable resolver;

    // wallet address => badge count
    mapping(address => uint256) private _userBadgeCount;

    /// @dev Creates a new ScrollBadge instance.
    /// @param resolver_ The address of the global Scroll badge resolver contract.
    constructor(address resolver_) {
        resolver = resolver_;
    }

    /// @inheritdoc IScrollBadge
    function issueBadge(Attestation calldata attestation) public returns (bool) {
        // only callable from resolver
        if (msg.sender != address(resolver)) {
            revert Unauthorized();
        }

        // delegate logic to subcontract
        if (!onIssueBadge(attestation)) {
            return false;
        }

        _userBadgeCount[attestation.recipient] += 1;

        emit IssueBadge(attestation.uid);
        return true;
    }

    /// @inheritdoc IScrollBadge
    function revokeBadge(Attestation calldata attestation) public returns (bool) {
        // only callable from resolver
        if (msg.sender != address(resolver)) {
            revert Unauthorized();
        }

        // delegate logic to subcontract
        if (!onRevokeBadge(attestation)) {
            return false;
        }

        _userBadgeCount[attestation.recipient] -= 1;

        emit RevokeBadge(attestation.uid);
        return true;
    }

    /// @notice A resolver callback that should be implemented by child contracts.
    /// @param {attestation} The new attestation.
    /// @return Whether the attestation is valid.
    function onIssueBadge(Attestation calldata /*attestation*/ ) internal virtual returns (bool) {
        return true;
    }

    /// @notice A resolver callback that should be implemented by child contracts.
    /// @param {attestation} The existing attestation to be revoked.
    /// @return Whether the attestation can be revoked.
    function onRevokeBadge(Attestation calldata /*attestation*/ ) internal virtual returns (bool) {
        return true;
    }

    /// @inheritdoc IScrollBadge
    function getAndValidateBadge(bytes32 uid) public view returns (Attestation memory) {
        Attestation memory attestation = IScrollBadgeResolver(resolver).getAndValidateBadge(uid);

        (address badge,) = decodeBadgeData(attestation.data);

        if (badge != address(this)) {
            revert AttestationBadgeMismatch(uid);
        }

        return attestation;
    }

    /// @inheritdoc IScrollBadge
    function badgeTokenURI(bytes32 uid) public view virtual returns (string memory);

    /// @inheritdoc IScrollBadge
    function hasBadge(address user) public view virtual returns (bool) {
        return _userBadgeCount[user] > 0;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {Attestation} from "@ethereum-attestation-service/eas-contracts/contracts/IEAS.sol";

interface IScrollBadge {
    event IssueBadge(bytes32 indexed uid);
    event RevokeBadge(bytes32 indexed uid);

    /// @notice A resolver callback invoked in the `issueBadge` function in the parent contract.
    /// @param attestation The new attestation.
    /// @return Whether the attestation is valid.
    function issueBadge(Attestation calldata attestation) external returns (bool);

    /// @notice A resolver callback invoked in the `revokeBadge` function in the parent contract.
    /// @param attestation The new attestation.
    /// @return Whether the attestation can be revoked.
    function revokeBadge(Attestation calldata attestation) external returns (bool);

    /// @notice Validate and return a Scroll badge attestation.
    /// @param uid The attestation UID.
    /// @return The attestation.
    function getAndValidateBadge(bytes32 uid) external view returns (Attestation memory);

    /// @notice Returns the token URI corresponding to a certain badge UID, or the default
    ///         badge token URI if the pass UID is 0x0.
    /// @param uid The badge UID, or 0x0.
    /// @return The badge token URI (same format as ERC721).
    function badgeTokenURI(bytes32 uid) external view returns (string memory);

    /// @notice Returns true if the user has one or more of this badge.
    /// @param user The user's wallet address.
    /// @return True if the user has one or more of this badge.
    function hasBadge(address user) external view returns (bool);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {Attestation} from "@ethereum-attestation-service/eas-contracts/contracts/IEAS.sol";

interface IScrollBadgeResolver {
    /**
     *
     * Events *
     *
     */

    /// @dev Emitted when a new badge is issued.
    /// @param uid The UID of the new badge attestation.
    event IssueBadge(bytes32 indexed uid);

    /// @dev Emitted when a badge is revoked.
    /// @param uid The UID of the revoked badge attestation.
    event RevokeBadge(bytes32 indexed uid);

    /// @dev Emitted when the auto-attach status of a badge is updated.
    /// @param badge The address of the badge contract.
    /// @param enable Auto-attach was enabled if true, disabled if false.
    event UpdateAutoAttachWhitelist(address indexed badge, bool indexed enable);

    /**
     *
     * Public View Functions *
     *
     */

    /// @notice Return the Scroll badge attestation schema.
    /// @return The GUID of the Scroll badge attestation schema.
    function schema() external returns (bytes32);

    /// @notice The profile registry contract.
    /// @return The address of the profile registry.
    function registry() external returns (address);

    /// @notice The global EAS contract.
    /// @return The address of the global EAS contract.
    function eas() external returns (address);

    /// @notice Validate and return a Scroll badge attestation.
    /// @param uid The attestation UID.
    /// @return The attestation.
    function getAndValidateBadge(bytes32 uid) external view returns (Attestation memory);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

uint256 constant MAX_ATTACHED_BADGE_NUM = 48;

string constant SCROLL_BADGE_SCHEMA = "address badge, bytes payload";

function decodeBadgeData(bytes memory data) pure returns (address, bytes memory) {
    return abi.decode(data, (address, bytes));
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

error Unauthorized();
error CannotUpgrade(bytes32 uid);

// attestation errors
// note: these don't include the uid since it is not known prior to the attestation.
error BadgeNotAllowed(address badge);
error BadgeNotFound(address badge);
error ExpirationDisabled();
error MissingPayload();
error ResolverPaymentsDisabled();
error RevocationDisabled();
error SingletonBadge();
error UnknownSchema();

// query errors
error AttestationBadgeMismatch(bytes32 uid);
error AttestationExpired(bytes32 uid);
error AttestationNotFound(bytes32 uid);
error AttestationOwnerMismatch(bytes32 uid);
error AttestationRevoked(bytes32 uid);
error AttestationSchemaMismatch(bytes32 uid);

// profile errors
error BadgeCountReached();
error LengthMismatch();
error TokenNotOwnedByUser(address token, uint256 tokenId);

// profile registry errors
error CallerIsNotUserProfile();
error DuplicatedUsername();
error ExpiredSignature();
error ImplementationNotContract();
error InvalidReferrer();
error InvalidSignature();
error InvalidUsername();
error MsgValueMismatchWithMintFee();
error ProfileAlreadyMinted();

{
  "evmVersion": "paris",
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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0000000000000000000000004560fecd62b14a463be44d40fe5cfd595eec01130000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000004368747470733a2f2f697066732e696f2f697066732f516d624759646554446b704e3842336b5a5a69666e53487031377336445a4b56597a59336d374c414e67587962670000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : resolver_ (address): 0x4560FECd62B14A463bE44D40fE5Cfd595eEc0113
Arg [1] : tokenUri_ (string): https://ipfs.io/ipfs/QmbGYdeTDkpN8B3kZZifnSHp17s6DZKVYzY3m7LANgXybg

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 0000000000000000000000004560fecd62b14a463be44d40fe5cfd595eec0113
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000043
Arg [3] : 68747470733a2f2f697066732e696f2f697066732f516d624759646554446b70
Arg [4] : 4e3842336b5a5a69666e53487031377336445a4b56597a59336d374c414e6758
Arg [5] : 7962670000000000000000000000000000000000000000000000000000000000