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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

import { IERC20 } from "@openzeppelin-v5/contracts/token/ERC20/IERC20.sol";
import { SafeERC20 } from "@openzeppelin-v5/contracts/token/ERC20/utils/SafeERC20.sol";

import { IERC8004IdentityRegistry } from "../interfaces/registry/IERC8004IdentityRegistry.sol";
import { ISpiritRegistry } from "../interfaces/registry/ISpiritRegistry.sol";
import { ERC8004IdentityRegistry } from "./ERC8004IdentityRegistry.sol";

/**
 * @title SpiritRegistry
 * @notice Spirit Protocol's agent registry — extends ERC-8004 Identity Registry
 *         with treasury, revenue routing, and token creation primitives.
 * @dev Implements ISpiritRegistry on top of ERC8004IdentityRegistry.
 *
 *      Integration modes:
 *      1. Native: registerSpirit() creates ERC-8004 identity + Spirit economics in one call
 *      2. Attached: attachSpirit() links an external ERC-8004 agent to Spirit economics
 */
contract SpiritRegistry is ISpiritRegistry, ERC8004IdentityRegistry {
    using SafeERC20 for IERC20;

    //      ________ __                        __
    //     / ___// //_/____  _____  __________/ /______
    //     \__ \/ __/ / ___/ / / / / ___/ __  / __/ ___/
    //    ___/ / / / / /  / /_/ / /__/ /_/ / / (__  )
    //   /____/_/ /_/_/   \__,_/\___/\__,_/_/  /____/

    /// @notice Protocol treasury address
    address public immutable override protocolTreasury;

    /// @notice Spirit config per agent
    mapping(uint256 agentId => SpiritConfig config) private _spiritConfigs;

    /// @notice Revenue config per agent
    mapping(uint256 agentId => RevenueConfig config) private _revenueConfigs;

    /// @notice Whether an agent has Spirit economics attached
    mapping(uint256 agentId => bool attached) private _spiritAttached;

    /// @notice External agent references (spiritId => ExternalAgent)
    mapping(uint256 spiritId => ExternalAgent ref) private _externalAgents;

    /// @notice NOT_TREASURY error for updateTreasury access control
    error NOT_TREASURY();

    /// @notice NOT_IMPLEMENTED error for stub functions
    error NOT_IMPLEMENTED();

    /// @notice NO_ETH_SENT error
    error NO_ETH_SENT();

    /// @notice ETH_WITH_ERC20 error
    error ETH_WITH_ERC20();

    //     ______                 __                  __
    //    / ____/___  ____  _____/ /________  _______/ /_____  _____
    //   / /   / __ \/ __ \/ ___/ __/ ___/ / / / ___/ __/ __ \/ ___/
    //  / /___/ /_/ / / / (__  ) /_/ /  / /_/ / /__/ /_/ /_/ / /
    //  \____/\____/_/ /_/____/\__/_/   \__,_/\___/\__/\____/_/

    /**
     * @param protocolTreasury_ Address of the Spirit Protocol treasury
     */
    constructor(address protocolTreasury_) ERC8004IdentityRegistry("Spirit Registry", "SPIRIT-ID") {
        protocolTreasury = protocolTreasury_;
    }

    //      ______     __                        __   ______                 __  _
    //     / ____/  __/ /____  _________  ____ _/ /  / ____/_  ______  _____/ /_(_)___  ____  _____
    //    / __/ | |/_/ __/ _ \/ ___/ __ \/ __ `/ /  / /_  / / / / __ \/ ___/ __/ / __ \/ __ \/ ___/
    //   / /____>  </ /_/  __/ /  / / / / /_/ / /  / __/ / /_/ / / / / /__/ /_/ / /_/ / / / (__  )
    //  /_____/_/|_|\__/\___/_/  /_/ /_/\__,_/_/  /_/    \__,_/_/ /_/\___/\__/_/\____/_/ /_/____/

    /// @inheritdoc ISpiritRegistry
    function registerSpirit(
        string calldata agentURI_,
        address artist,
        address platform,
        address[] calldata, /* treasuryOwners — ignored in MVP */
        uint256 /* treasuryThreshold — ignored in MVP */
    ) external returns (uint256 agentId) {
        // Register ERC-8004 identity with artist as owner
        agentId = _register(artist, agentURI_);

        // Set agentWallet = artist (treasury) via internal call
        _setAgentWallet(agentId, artist);

        // Store Spirit config
        _spiritConfigs[agentId] = SpiritConfig({
            treasury: artist,
            childToken: address(0),
            stakingPool: address(0),
            lpPosition: address(0),
            artist: artist,
            platform: platform,
            createdAt: block.timestamp,
            hasToken: false
        });

        // Set default revenue config (25/25/25/25)
        _revenueConfigs[agentId] = RevenueConfig({
            artistBps: 2500,
            agentBps: 2500,
            platformBps: 2500,
            protocolBps: 2500
        });

        _spiritAttached[agentId] = true;

        emit SpiritRegistered(agentId, artist, artist, platform);
    }

    /// @inheritdoc ISpiritRegistry
    function attachSpirit(
        address externalRegistry,
        uint256 externalAgentId,
        address artist,
        address platform
    ) external returns (uint256 spiritId) {
        // Verify caller owns the external agent
        address externalOwner = IERC8004IdentityRegistry(externalRegistry).ownerOf(externalAgentId);
        if (externalOwner != msg.sender) revert EXTERNAL_VERIFICATION_FAILED();

        // Register a local Spirit entry for this external agent
        spiritId = _register(msg.sender, "");
        _setAgentWallet(spiritId, msg.sender);

        // Store external reference
        _externalAgents[spiritId] = ExternalAgent({
            registry: externalRegistry,
            agentId: externalAgentId
        });

        // Store Spirit config
        _spiritConfigs[spiritId] = SpiritConfig({
            treasury: msg.sender,
            childToken: address(0),
            stakingPool: address(0),
            lpPosition: address(0),
            artist: artist,
            platform: platform,
            createdAt: block.timestamp,
            hasToken: false
        });

        // Set default revenue config
        _revenueConfigs[spiritId] = RevenueConfig({
            artistBps: 2500,
            agentBps: 2500,
            platformBps: 2500,
            protocolBps: 2500
        });

        _spiritAttached[spiritId] = true;

        emit SpiritAttached(spiritId, externalRegistry, externalAgentId);
    }

    /// @inheritdoc ISpiritRegistry
    function createChildToken(
        uint256, /* agentId */
        string calldata, /* name */
        string calldata, /* symbol */
        bytes32, /* merkleRoot */
        uint160 /* initialSqrtPriceX96 */
    ) external pure {
        revert NOT_IMPLEMENTED();
    }

    /// @inheritdoc ISpiritRegistry
    function routeRevenue(uint256 agentId, address token, uint256 amount) external payable {
        if (!_spiritAttached[agentId]) revert SPIRIT_NOT_ATTACHED();

        SpiritConfig storage config = _spiritConfigs[agentId];
        RevenueConfig storage rev = _revenueConfigs[agentId];

        if (token == address(0)) {
            // ETH distribution
            if (msg.value == 0) revert NO_ETH_SENT();
            uint256 total = msg.value;
            uint256 artistAmt = (total * rev.artistBps) / 10_000;
            uint256 agentAmt = (total * rev.agentBps) / 10_000;
            uint256 platformAmt = (total * rev.platformBps) / 10_000;
            uint256 protocolAmt = total - artistAmt - agentAmt - platformAmt;

            _sendETH(config.artist, artistAmt);
            _sendETH(config.treasury, agentAmt);
            _sendETH(config.platform, platformAmt);
            _sendETH(protocolTreasury, protocolAmt);

            emit RevenueRouted(agentId, address(0), total, artistAmt, agentAmt, platformAmt, protocolAmt);
        } else {
            // ERC-20 distribution
            if (msg.value > 0) revert ETH_WITH_ERC20();
            IERC20 erc20 = IERC20(token);
            uint256 artistAmt = (amount * rev.artistBps) / 10_000;
            uint256 agentAmt = (amount * rev.agentBps) / 10_000;
            uint256 platformAmt = (amount * rev.platformBps) / 10_000;
            uint256 protocolAmt = amount - artistAmt - agentAmt - platformAmt;

            erc20.safeTransferFrom(msg.sender, config.artist, artistAmt);
            erc20.safeTransferFrom(msg.sender, config.treasury, agentAmt);
            erc20.safeTransferFrom(msg.sender, config.platform, platformAmt);
            erc20.safeTransferFrom(msg.sender, protocolTreasury, protocolAmt);

            emit RevenueRouted(agentId, token, amount, artistAmt, agentAmt, platformAmt, protocolAmt);
        }
    }

    /// @inheritdoc ISpiritRegistry
    function updateTreasury(uint256 agentId, address newTreasury) external {
        if (!_spiritAttached[agentId]) revert SPIRIT_NOT_ATTACHED();
        SpiritConfig storage config = _spiritConfigs[agentId];
        if (msg.sender != config.treasury) revert NOT_TREASURY();

        address oldTreasury = config.treasury;
        config.treasury = newTreasury;
        _setAgentWallet(agentId, newTreasury);

        emit TreasuryUpdated(agentId, oldTreasury, newTreasury);
    }

    /// @inheritdoc ISpiritRegistry
    function setRevenueConfig(uint256 agentId, RevenueConfig calldata config) external {
        _requireOwner(agentId);
        if (!_spiritAttached[agentId]) revert SPIRIT_NOT_ATTACHED();
        uint256 total = uint256(config.artistBps) + config.agentBps + config.platformBps + config.protocolBps;
        if (total != 10_000) revert INVALID_REVENUE_CONFIG();
        _revenueConfigs[agentId] = config;
    }

    //     _    ___                 ______                 __  _
    //    | |  / (_)__ _      __   / ____/_  ______  _____/ /_(_)___  ____  _____
    //    | | / / / _ \ | /| / /  / /_  / / / / __ \/ ___/ __/ / __ \/ __ \/ ___/
    //    | |/ / /  __/ |/ |/ /  / __/ / /_/ / / / / /__/ /_/ / /_/ / / / (__  )
    //    |___/_/\___/|__/|__/  /_/    \__,_/_/ /_/\___/\__/_/\____/_/ /_/____/

    /// @notice Override to resolve ambiguity between ISpiritRegistry and ERC8004IdentityRegistry
    function ownerOf(uint256 agentId)
        public
        view
        override(ERC8004IdentityRegistry, IERC8004IdentityRegistry)
        returns (address)
    {
        return super.ownerOf(agentId);
    }

    /// @inheritdoc ISpiritRegistry
    function getSpiritConfig(uint256 agentId) external view returns (SpiritConfig memory) {
        _requireExists(agentId);
        return _spiritConfigs[agentId];
    }

    /// @inheritdoc ISpiritRegistry
    function getRevenueConfig(uint256 agentId) external view returns (RevenueConfig memory) {
        _requireExists(agentId);
        return _revenueConfigs[agentId];
    }

    /// @inheritdoc ISpiritRegistry
    function getTreasury(uint256 agentId) external view returns (address) {
        _requireExists(agentId);
        return _spiritConfigs[agentId].treasury;
    }

    /// @inheritdoc ISpiritRegistry
    function getChildToken(uint256 agentId) external view returns (address) {
        _requireExists(agentId);
        return _spiritConfigs[agentId].childToken;
    }

    /// @inheritdoc ISpiritRegistry
    function getStakingPool(uint256 agentId) external view returns (address) {
        _requireExists(agentId);
        return _spiritConfigs[agentId].stakingPool;
    }

    /// @inheritdoc ISpiritRegistry
    function hasSpiritAttached(uint256 agentId) external view returns (bool) {
        return _spiritAttached[agentId];
    }

    /// @inheritdoc ISpiritRegistry
    function getExternalAgent(uint256 spiritId) external view returns (ExternalAgent memory) {
        _requireExists(spiritId);
        return _externalAgents[spiritId];
    }

    /// @inheritdoc ISpiritRegistry
    function defaultRevenueConfig() external pure returns (RevenueConfig memory) {
        return RevenueConfig({ artistBps: 2500, agentBps: 2500, platformBps: 2500, protocolBps: 2500 });
    }

    //      ____      __                        __
    //     /  _/___  / /____  _________  ____ _/ /
    //     / // __ \/ __/ _ \/ ___/ __ \/ __ `/ /
    //   _/ // / / / /_/  __/ /  / / / / /_/ / /
    //  /___/_/ /_/\__/\___/_/  /_/ /_/\__,_/_/

    function _sendETH(address to, uint256 amount) internal {
        if (amount == 0) return;
        (bool success,) = to.call{ value: amount }("");
        require(success, "ETH_TRANSFER_FAILED");
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";

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

    /**
     * @dev An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

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

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

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

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

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

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

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

        bytes memory returndata = address(token).functionCall(data);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

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

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

/**
 * @title IERC8004IdentityRegistry
 * @notice Standard interface from ERC-8004 (Trustless AI Agents) specification
 * @dev Reference: https://github.com/ethereum/ERCs/pull/661
 *
 * ERC-8004 defines a standard way for AI agents to have on-chain identity,
 * enabling trustless interactions between agents and protocols.
 *
 * Key concepts:
 * - agentId: NFT-based unique identifier
 * - agentURI: Points to agent registration JSON (IPFS/HTTPS)
 * - agentWallet: Agent-controlled wallet (separate from owner)
 * - metadata: On-chain key-value store
 */
interface IERC8004IdentityRegistry {

    //      ________ __                        __
    //     / ___// //_/____  _____  __________/ /______
    //     \__ \/ __/ / ___/ / / / / ___/ __  / __/ ___/
    //    ___/ / / / / /  / /_/ / /__/ /_/ / / (__  )
    //   /____/_/ /_/_/   \__,_/\___/\__,_/_/  /____/

    /// @notice Metadata entry for agent registration
    struct MetadataEntry {
        string key;
        string value;
    }

    //      ______                 __
    //     / ____/   _____  ____  / /______
    //    / __/ | | / / _ \/ __ \/ __/ ___/
    //   / /___ | |/ /  __/ / / / /_(__  )
    //  /_____/ |___/\___/_/ /_/\__/____/

    /// @notice Emitted when a new agent is registered
    event Registered(
        uint256 indexed agentId,
        string agentURI,
        address indexed owner
    );

    /// @notice Emitted when agent URI is updated
    event URIUpdated(
        uint256 indexed agentId,
        string newURI,
        address indexed updatedBy
    );

    /// @notice Emitted when agent wallet is set or changed
    event AgentWalletSet(
        uint256 indexed agentId,
        address indexed oldWallet,
        address indexed newWallet
    );

    /// @notice Emitted when metadata is set
    /// @dev Note: indexedMetadataKey is indexed for efficient filtering but limited to 32 bytes.
    ///      metadataKey contains the full key string. metadataValue is bytes to support
    ///      arbitrary data encoding (implementations may use abi.encode(string) for string values).
    event MetadataSet(
        uint256 indexed agentId,
        bytes32 indexed indexedMetadataKey,
        string metadataKey,
        string metadataValue
    );

    //     ______           __                     ______
    //    / ____/_  _______/ /_____  ____ ___     / ____/_____________  __________
    //   / /   / / / / ___/ __/ __ \/ __ `__ \   / __/ / ___/ ___/ __ \/ ___/ ___/
    //  / /___/ /_/ (__  ) /_/ /_/ / / / / / /  / /___/ /  / /  / /_/ / /  (__  )
    //  \____/\__,_/____/\__/\____/_/ /_/ /_/  /_____/_/  /_/   \____/_/  /____/

    /// @notice Agent not found
    error AGENT_NOT_FOUND();

    /// @notice Caller is not the owner
    error NOT_OWNER();

    /// @notice Invalid signature
    error INVALID_SIGNATURE();

    /// @notice Deadline expired
    error DEADLINE_EXPIRED();

    //      ______     __                        __   ______                 __  _
    //     / ____/  __/ /____  _________  ____ _/ /  / ____/_  ______  _____/ /_(_)___  ____  _____
    //    / __/ | |/_/ __/ _ \/ ___/ __ \/ __ `/ /  / /_  / / / / __ \/ ___/ __/ / __ \/ __ \/ ___/
    //   / /____>  </ /_/  __/ /  / / / / /_/ / /  / __/ / /_/ / / / / /__/ /_/ / /_/ / / / (__  )
    //  /_____/_/|_|\__/\___/_/  /_/ /_/\__,_/_/  /_/    \__,_/_/ /_/\___/\__/_/\____/_/ /_/____/

    /**
     * @notice Register a new agent with URI and metadata
     * @param agentURI URI pointing to agent registration JSON
     * @param metadata Initial metadata entries
     * @return agentId The unique agent identifier (NFT ID)
     */
    function register(
        string calldata agentURI,
        MetadataEntry[] calldata metadata
    ) external returns (uint256 agentId);

    /**
     * @notice Register a new agent with only URI
     * @param agentURI URI pointing to agent registration JSON
     * @return agentId The unique agent identifier
     */
    function register(string calldata agentURI) external returns (uint256 agentId);

    /**
     * @notice Register a new agent with no URI (can be set later)
     * @return agentId The unique agent identifier
     */
    function register() external returns (uint256 agentId);

    /**
     * @notice Update the agent's URI
     * @dev Only callable by the agent owner
     * @param agentId The agent to update
     * @param newURI The new URI
     */
    function setAgentURI(uint256 agentId, string calldata newURI) external;

    /**
     * @notice Set the agent's operational wallet
     * @dev Requires EIP-712 signature from the new wallet to prevent hijacking
     * @param agentId The agent to update
     * @param newWallet The new wallet address
     * @param deadline Signature expiry timestamp
     * @param signature EIP-712 signature from newWallet
     */
    function setAgentWallet(
        uint256 agentId,
        address newWallet,
        uint256 deadline,
        bytes calldata signature
    ) external;

    /**
     * @notice Get metadata value for an agent
     * @param agentId The agent to query
     * @param key The metadata key
     * @return The metadata value
     */
    function getMetadata(uint256 agentId, string calldata key)
        external view returns (string memory);

    /**
     * @notice Set metadata for an agent
     * @dev Only callable by the agent owner
     * @param agentId The agent to update
     * @param key The metadata key
     * @param value The metadata value
     */
    function setMetadata(
        uint256 agentId,
        string calldata key,
        string calldata value
    ) external;

    /**
     * @notice Get the owner of an agent
     * @param agentId The agent to query
     * @return The owner address
     */
    function ownerOf(uint256 agentId) external view returns (address);

    /**
     * @notice Get the operational wallet of an agent
     * @param agentId The agent to query
     * @return The agent wallet address
     */
    function agentWalletOf(uint256 agentId) external view returns (address);

    /**
     * @notice Get the URI for an agent
     * @param agentId The agent to query
     * @return The agent URI
     */
    function agentURI(uint256 agentId) external view returns (string memory);

    /**
     * @notice Check if an agent exists
     * @param agentId The agent to check
     * @return True if the agent exists
     */
    function exists(uint256 agentId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

import {IERC8004IdentityRegistry} from "./IERC8004IdentityRegistry.sol";

/**
 * @title ISpiritRegistry
 * @notice Spirit Protocol's agent registry, extending ERC-8004 Identity Registry
 * @dev Adds treasury, revenue routing, and token creation to standard agent identity
 *
 * Spirit extends ERC-8004 to provide the economic layer for AI agents:
 * - Treasury: Safe multisig per agent for fund management
 * - Revenue Routing: 25/25/25/25 split (Artist/Agent/Platform/Protocol)
 * - Child Tokens: Native token with staking pool
 * - LP Positions: Uniswap V4 liquidity owned by agent
 *
 * Integration modes:
 * 1. Native: Agent registers directly with Spirit (gets ERC-8004 ID + Spirit economics)
 * 2. Attached: Existing ERC-8004 agent attaches Spirit economics
 */
interface ISpiritRegistry is IERC8004IdentityRegistry {

    //      ________ __                        __
    //     / ___// //_/____  _____  __________/ /______
    //     \__ \/ __/ / ___/ / / / / ___/ __  / __/ ___/
    //    ___/ / / / / /  / /_/ / /__/ /_/ / / (__  )
    //   /____/_/ /_/_/   \__,_/\___/\__,_/_/  /____/

    /// @notice Spirit-specific configuration for an agent
    struct SpiritConfig {
        address treasury;           // Safe multisig for agent funds
        address childToken;         // Agent's token (if created)
        address stakingPool;        // GDA staking pool
        address lpPosition;         // Uniswap V4 LP NFT
        address artist;             // Creator/trainer address
        address platform;           // Platform address (Eden, etc.)
        uint256 createdAt;          // Block timestamp
        bool hasToken;              // Whether child token exists
    }

    /// @notice Revenue routing configuration
    struct RevenueConfig {
        uint16 artistBps;           // Basis points to artist (2500 = 25%)
        uint16 agentBps;            // Basis points to agent treasury
        uint16 platformBps;         // Basis points to platform
        uint16 protocolBps;         // Basis points to Spirit treasury
    }

    /// @notice External agent reference for attached mode
    struct ExternalAgent {
        address registry;           // External ERC-8004 registry
        uint256 agentId;            // Agent ID in that registry
    }

    //      ______                 __
    //     / ____/   _____  ____  / /______
    //    / __/ | | / / _ \/ __ \/ __/ ___/
    //   / /___ | |/ /  __/ / / / /_(__  )
    //  /_____/ |___/\___/_/ /_/\__/____/

    /// @notice Emitted when a Spirit agent is registered
    event SpiritRegistered(
        uint256 indexed agentId,
        address indexed treasury,
        address indexed artist,
        address platform
    );

    /// @notice Emitted when Spirit economics are attached to external agent
    event SpiritAttached(
        uint256 indexed spiritId,
        address indexed externalRegistry,
        uint256 indexed externalAgentId
    );

    /// @notice Emitted when treasury is updated
    event TreasuryUpdated(
        uint256 indexed agentId,
        address oldTreasury,
        address newTreasury
    );

    /// @notice Emitted when child token is created
    event ChildTokenCreated(
        uint256 indexed agentId,
        address indexed childToken,
        address indexed stakingPool,
        address lpPosition
    );

    /// @notice Emitted when revenue is routed
    event RevenueRouted(
        uint256 indexed agentId,
        address indexed token,
        uint256 amount,
        uint256 artistAmount,
        uint256 agentAmount,
        uint256 platformAmount,
        uint256 protocolAmount
    );

    //     ______           __                     ______
    //    / ____/_  _______/ /_____  ____ ___     / ____/_____________  __________
    //   / /   / / / / ___/ __/ __ \/ __ `__ \   / __/ / ___/ ___/ __ \/ ___/ ___/
    //  / /___/ /_/ (__  ) /_/ /_/ / / / / / /  / /___/ /  / /  / /_/ / /  (__  )
    //  \____/\__,_/____/\__/\____/_/ /_/ /_/  /_____/_/  /_/   \____/_/  /____/

    /// @notice Spirit not attached to this agent
    error SPIRIT_NOT_ATTACHED();

    /// @notice Agent already has Spirit attached
    error SPIRIT_ALREADY_ATTACHED();

    /// @notice Agent already has a token
    error TOKEN_ALREADY_EXISTS();

    /// @notice Invalid revenue configuration (must sum to 10000 bps)
    error INVALID_REVENUE_CONFIG();

    /// @notice External registry verification failed
    error EXTERNAL_VERIFICATION_FAILED();

    /// @notice Invalid treasury configuration
    error INVALID_TREASURY_CONFIG();

    //      ______     __                        __   ______                 __  _
    //     / ____/  __/ /____  _________  ____ _/ /  / ____/_  ______  _____/ /_(_)___  ____  _____
    //    / __/ | |/_/ __/ _ \/ ___/ __ \/ __ `/ /  / /_  / / / / __ \/ ___/ __/ / __ \/ __ \/ ___/
    //   / /____>  </ /_/  __/ /  / / / / /_/ / /  / __/ / /_/ / / / / /__/ /_/ / /_/ / / / (__  )
    //  /_____/_/|_|\__/\___/_/  /_/ /_/\__,_/_/  /_/    \__,_/_/ /_/\___/\__/_/\____/_/ /_/____/

    /**
     * @notice Register a Spirit agent (extends ERC-8004 register)
     * @dev Creates ERC-8004 identity + Spirit economics in one transaction.
     *
     *      Wallet/Treasury mapping:
     *      - ERC-8004's agentWallet is set to the treasury address
     *      - This means agentWalletOf(agentId) == getTreasury(agentId)
     *      - The treasury (Safe multisig) acts as the agent's operational wallet
     *      - Owner (artist) controls identity; treasury controls funds
     *
     *      Implementation MUST:
     *      - Deploy Safe multisig with treasuryOwners and treasuryThreshold
     *      - Call inherited setAgentWallet() to set agentWallet = treasury
     *      - Store Spirit-specific config (artist, platform, etc.)
     *
     * @param agentURI URI pointing to agent registration JSON
     * @param artist Address of the creator/trainer (becomes ERC-8004 owner)
     * @param platform Address of the platform
     * @param treasuryOwners Initial Safe multisig owners (must include artist and agent)
     * @param treasuryThreshold Safe threshold for transactions
     * @return agentId The ERC-8004 compatible agent ID
     */
    function registerSpirit(
        string calldata agentURI,
        address artist,
        address platform,
        address[] calldata treasuryOwners,
        uint256 treasuryThreshold
    ) external returns (uint256 agentId);

    /**
     * @notice Attach Spirit economics to existing ERC-8004 agent
     * @dev For agents already registered in another ERC-8004 registry.
     *      SECURITY: Caller must be the owner of the external agent.
     *      Implementation MUST verify ownership via:
     *      - IERC8004IdentityRegistry(externalRegistry).ownerOf(externalAgentId) == msg.sender
     *      This prevents unauthorized attachment to someone else's agent.
     * @param externalRegistry The ERC-8004 registry address (must implement IERC8004IdentityRegistry)
     * @param externalAgentId The agent's ID in that registry
     * @param artist Address of the creator/trainer
     * @param platform Address of the platform
     * @return spiritId Spirit's internal reference ID
     */
    function attachSpirit(
        address externalRegistry,
        uint256 externalAgentId,
        address artist,
        address platform
    ) external returns (uint256 spiritId);

    /**
     * @notice Create child token for an agent
     * @dev Only callable by agent owner, deploys token + staking pool + LP
     * @param agentId The agent to create token for
     * @param name Token name
     * @param symbol Token symbol
     * @param merkleRoot Merkle root for airstream
     * @param initialSqrtPriceX96 Initial price for Uniswap V4 pool
     */
    function createChildToken(
        uint256 agentId,
        string calldata name,
        string calldata symbol,
        bytes32 merkleRoot,
        uint160 initialSqrtPriceX96
    ) external;

    /**
     * @notice Route revenue to an agent's stakeholders
     * @dev Distributes according to RevenueConfig (default: 25/25/25/25)
     *
     *      ETH vs ERC-20 handling:
     *      - For ETH: token = address(0), amount is ignored, msg.value is distributed
     *      - For ERC-20: token = token address, msg.value MUST be 0, amount is transferred via transferFrom
     *
     *      Implementation MUST:
     *      - Revert if token == address(0) && msg.value == 0 (no ETH sent)
     *      - Revert if token != address(0) && msg.value > 0 (ETH sent with ERC-20)
     *      - For ERC-20: call transferFrom(msg.sender, ...) for each recipient
     *
     * @param agentId The agent receiving revenue
     * @param token The token being distributed (address(0) for ETH)
     * @param amount The amount to distribute (ignored for ETH, uses msg.value)
     */
    function routeRevenue(
        uint256 agentId,
        address token,
        uint256 amount
    ) external payable;

    /**
     * @notice Update treasury for an agent
     * @dev Only callable by current treasury via multisig
     * @param agentId The agent to update
     * @param newTreasury The new treasury address
     */
    function updateTreasury(
        uint256 agentId,
        address newTreasury
    ) external;

    /**
     * @notice Update revenue configuration for an agent
     * @dev Only callable by agent owner, must sum to 10000 bps
     * @param agentId The agent to update
     * @param config New revenue configuration
     */
    function setRevenueConfig(
        uint256 agentId,
        RevenueConfig calldata config
    ) external;

    //     _    ___                 ______                 __  _
    //    | |  / (_)__ _      __   / ____/_  ______  _____/ /_(_)___  ____  _____
    //    | | / / / _ \ | /| / /  / /_  / / / / __ \/ ___/ __/ / __ \/ __ \/ ___/
    //    | |/ / /  __/ |/ |/ /  / __/ / /_/ / / / / /__/ /_/ / /_/ / / / (__  )
    //    |___/_/\___/|__/|__/  /_/    \__,_/_/ /_/\___/\__/_/\____/_/ /_/____/

    /**
     * @notice Get Spirit-specific configuration for an agent
     * @param agentId The agent to query
     * @return Spirit configuration
     */
    function getSpiritConfig(uint256 agentId)
        external view returns (SpiritConfig memory);

    /**
     * @notice Get revenue routing configuration
     * @param agentId The agent to query
     * @return Revenue configuration
     */
    function getRevenueConfig(uint256 agentId)
        external view returns (RevenueConfig memory);

    /**
     * @notice Get agent's treasury address
     * @param agentId The agent to query
     * @return Treasury address
     */
    function getTreasury(uint256 agentId)
        external view returns (address);

    /**
     * @notice Get agent's child token (if exists)
     * @param agentId The agent to query
     * @return Child token address (address(0) if none)
     */
    function getChildToken(uint256 agentId)
        external view returns (address);

    /**
     * @notice Get agent's staking pool (if exists)
     * @param agentId The agent to query
     * @return Staking pool address (address(0) if none)
     */
    function getStakingPool(uint256 agentId)
        external view returns (address);

    /**
     * @notice Check if agent has Spirit economics attached
     * @param agentId The agent to check
     * @return True if Spirit is attached
     */
    function hasSpiritAttached(uint256 agentId)
        external view returns (bool);

    /**
     * @notice Get external agent reference (for attached mode)
     * @param spiritId Spirit's internal ID
     * @return External agent reference
     */
    function getExternalAgent(uint256 spiritId)
        external view returns (ExternalAgent memory);

    /**
     * @notice Get Spirit Protocol treasury address
     * @return Protocol treasury address
     */
    function protocolTreasury() external view returns (address);

    /**
     * @notice Get default revenue configuration
     * @return Default revenue config (25/25/25/25)
     */
    function defaultRevenueConfig() external view returns (RevenueConfig memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

import { ERC721 } from "@openzeppelin-v5/contracts/token/ERC721/ERC721.sol";
import { ECDSA } from "@openzeppelin-v5/contracts/utils/cryptography/ECDSA.sol";
import { EIP712 } from "@openzeppelin-v5/contracts/utils/cryptography/EIP712.sol";

import { IERC8004IdentityRegistry } from "../interfaces/registry/IERC8004IdentityRegistry.sol";

/**
 * @title ERC8004IdentityRegistry
 * @notice Implementation of the ERC-8004 Identity Registry standard
 * @dev Extends ERC-721 for NFT-based agent IDs with URI, wallet, and metadata storage.
 *      Reference: https://github.com/ethereum/ERCs/pull/661
 */
contract ERC8004IdentityRegistry is IERC8004IdentityRegistry, ERC721, EIP712 {
    using ECDSA for bytes32;

    //      ________ __                        __
    //     / ___// //_/____  _____  __________/ /______
    //     \__ \/ __/ / ___/ / / / / ___/ __  / __/ ___/
    //    ___/ / / / / /  / /_/ / /__/ /_/ / / (__  )
    //   /____/_/ /_/_/   \__,_/\___/\__,_/_/  /____/

    /// @notice EIP-712 typehash for setAgentWallet signature verification
    bytes32 public constant AGENT_WALLET_TYPEHASH =
        keccak256("SetAgentWallet(uint256 agentId,address newWallet,uint256 deadline)");

    /// @notice Auto-incrementing agent ID counter (starts at 1)
    uint256 private _nextAgentId = 1;

    /// @notice Agent URI storage
    mapping(uint256 agentId => string uri) private _agentURIs;

    /// @notice Agent wallet storage
    mapping(uint256 agentId => address wallet) private _agentWallets;

    /// @notice On-chain metadata key-value store
    mapping(uint256 agentId => mapping(string key => string value)) private _metadata;

    //     ______                 __                  __
    //    / ____/___  ____  _____/ /________  _______/ /_____  _____
    //   / /   / __ \/ __ \/ ___/ __/ ___/ / / / ___/ __/ __ \/ ___/
    //  / /___/ /_/ / / / (__  ) /_/ /  / /_/ / /__/ /_/ /_/ / /
    //  \____/\____/_/ /_/____/\__/_/   \__,_/\___/\__/\____/_/

    constructor(string memory name, string memory symbol) ERC721(name, symbol) EIP712(name, "1") { }

    /// @notice Returns the EIP-712 domain separator
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32) {
        return _domainSeparatorV4();
    }

    //      ______     __                        __   ______                 __  _
    //     / ____/  __/ /____  _________  ____ _/ /  / ____/_  ______  _____/ /_(_)___  ____  _____
    //    / __/ | |/_/ __/ _ \/ ___/ __ \/ __ `/ /  / /_  / / / / __ \/ ___/ __/ / __ \/ __ \/ ___/
    //   / /____>  </ /_/  __/ /  / / / / /_/ / /  / __/ / /_/ / / / / /__/ /_/ / /_/ / / / (__  )
    //  /_____/_/|_|\__/\___/_/  /_/ /_/\__,_/_/  /_/    \__,_/_/ /_/\___/\__/_/\____/_/ /_/____/

    /// @inheritdoc IERC8004IdentityRegistry
    function register(string calldata agentURI_, MetadataEntry[] calldata metadata_)
        external
        returns (uint256 agentId)
    {
        agentId = _register(msg.sender, agentURI_);
        for (uint256 i; i < metadata_.length; ++i) {
            _setMetadata(agentId, metadata_[i].key, metadata_[i].value);
        }
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function register(string calldata agentURI_) external returns (uint256 agentId) {
        agentId = _register(msg.sender, agentURI_);
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function register() external returns (uint256 agentId) {
        agentId = _register(msg.sender, "");
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function setAgentURI(uint256 agentId, string calldata newURI) external {
        _requireOwner(agentId);
        _agentURIs[agentId] = newURI;
        emit URIUpdated(agentId, newURI, msg.sender);
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function setAgentWallet(uint256 agentId, address newWallet, uint256 deadline, bytes calldata signature) external {
        _requireOwner(agentId);
        if (block.timestamp > deadline) revert DEADLINE_EXPIRED();

        bytes32 structHash = keccak256(abi.encode(AGENT_WALLET_TYPEHASH, agentId, newWallet, deadline));
        bytes32 digest = _hashTypedDataV4(structHash);
        address recovered = digest.recover(signature);
        if (recovered != newWallet) revert INVALID_SIGNATURE();

        _setAgentWallet(agentId, newWallet);
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function setMetadata(uint256 agentId, string calldata key, string calldata value) external {
        _requireOwner(agentId);
        _setMetadata(agentId, key, value);
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function getMetadata(uint256 agentId, string calldata key) external view returns (string memory) {
        _requireExists(agentId);
        return _metadata[agentId][key];
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function ownerOf(uint256 agentId) public view virtual override(ERC721, IERC8004IdentityRegistry) returns (address) {
        return super.ownerOf(agentId);
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function agentWalletOf(uint256 agentId) external view returns (address) {
        _requireExists(agentId);
        return _agentWallets[agentId];
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function agentURI(uint256 agentId) external view returns (string memory) {
        _requireExists(agentId);
        return _agentURIs[agentId];
    }

    /// @inheritdoc IERC8004IdentityRegistry
    function exists(uint256 agentId) external view returns (bool) {
        return _ownerOf(agentId) != address(0);
    }

    //      ____      __                        __   ______                 __  _
    //     /  _/___  / /____  _________  ____ _/ /  / ____/_  ______  _____/ /_(_)___  ____  _____
    //     / // __ \/ __/ _ \/ ___/ __ \/ __ `/ /  / /_  / / / / __ \/ ___/ __/ / __ \/ __ \/ ___/
    //   _/ // / / / /_/  __/ /  / / / / /_/ / /  / __/ / /_/ / / / / /__/ /_/ / /_/ / / / (__  )
    //  /___/_/ /_/\__/\___/_/  /_/ /_/\__,_/_/  /_/    \__,_/_/ /_/\___/\__/_/\____/_/ /_/____/

    /**
     * @notice Internal registration logic
     * @param owner_ The address that will own the agent NFT
     * @param agentURI_ Initial URI for the agent
     * @return agentId The newly minted agent ID
     */
    function _register(address owner_, string memory agentURI_) internal returns (uint256 agentId) {
        agentId = _nextAgentId++;
        _mint(owner_, agentId);
        if (bytes(agentURI_).length > 0) {
            _agentURIs[agentId] = agentURI_;
        }
        emit Registered(agentId, agentURI_, owner_);
    }

    /**
     * @notice Internal agent wallet setter (no signature required)
     * @param agentId The agent to update
     * @param newWallet The new wallet address
     */
    function _setAgentWallet(uint256 agentId, address newWallet) internal {
        address oldWallet = _agentWallets[agentId];
        _agentWallets[agentId] = newWallet;
        emit AgentWalletSet(agentId, oldWallet, newWallet);
    }

    /**
     * @notice Internal metadata setter
     * @param agentId The agent to update
     * @param key Metadata key
     * @param value Metadata value
     */
    function _setMetadata(uint256 agentId, string memory key, string memory value) internal {
        _metadata[agentId][key] = value;
        emit MetadataSet(agentId, keccak256(bytes(key)), key, value);
    }

    /**
     * @notice Require that agentId exists
     */
    function _requireExists(uint256 agentId) internal view {
        if (_ownerOf(agentId) == address(0)) revert AGENT_NOT_FOUND();
    }

    /**
     * @notice Require that msg.sender is the owner of agentId
     */
    function _requireOwner(uint256 agentId) internal view {
        if (ownerOf(agentId) != msg.sender) revert NOT_OWNER();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

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

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

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

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

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

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

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/ERC721.sol)

pragma solidity ^0.8.20;

import {IERC721} from "./IERC721.sol";
import {IERC721Receiver} from "./IERC721Receiver.sol";
import {IERC721Metadata} from "./extensions/IERC721Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {Strings} from "../../utils/Strings.sol";
import {IERC165, ERC165} from "../../utils/introspection/ERC165.sol";
import {IERC721Errors} from "../../interfaces/draft-IERC6093.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
abstract contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Errors {
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    mapping(uint256 tokenId => address) private _owners;

    mapping(address owner => uint256) private _balances;

    mapping(uint256 tokenId => address) private _tokenApprovals;

    mapping(address owner => mapping(address operator => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual returns (uint256) {
        if (owner == address(0)) {
            revert ERC721InvalidOwner(address(0));
        }
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual returns (address) {
        return _requireOwned(tokenId);
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual returns (string memory) {
        _requireOwned(tokenId);

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string.concat(baseURI, tokenId.toString()) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual {
        _approve(to, tokenId, _msgSender());
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual returns (address) {
        _requireOwned(tokenId);

        return _getApproved(tokenId);
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(address from, address to, uint256 tokenId) public virtual {
        if (to == address(0)) {
            revert ERC721InvalidReceiver(address(0));
        }
        // Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists
        // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here.
        address previousOwner = _update(to, tokenId, _msgSender());
        if (previousOwner != from) {
            revert ERC721IncorrectOwner(from, tokenId, previousOwner);
        }
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) public {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual {
        transferFrom(from, to, tokenId);
        _checkOnERC721Received(from, to, tokenId, data);
    }

    /**
     * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist
     *
     * IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the
     * core ERC721 logic MUST be matched with the use of {_increaseBalance} to keep balances
     * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by
     * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`.
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

    /**
     * @dev Returns the approved address for `tokenId`. Returns 0 if `tokenId` is not minted.
     */
    function _getApproved(uint256 tokenId) internal view virtual returns (address) {
        return _tokenApprovals[tokenId];
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `owner`'s tokens, or `tokenId` in
     * particular (ignoring whether it is owned by `owner`).
     *
     * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this
     * assumption.
     */
    function _isAuthorized(address owner, address spender, uint256 tokenId) internal view virtual returns (bool) {
        return
            spender != address(0) &&
            (owner == spender || isApprovedForAll(owner, spender) || _getApproved(tokenId) == spender);
    }

    /**
     * @dev Checks if `spender` can operate on `tokenId`, assuming the provided `owner` is the actual owner.
     * Reverts if `spender` does not have approval from the provided `owner` for the given token or for all its assets
     * the `spender` for the specific `tokenId`.
     *
     * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this
     * assumption.
     */
    function _checkAuthorized(address owner, address spender, uint256 tokenId) internal view virtual {
        if (!_isAuthorized(owner, spender, tokenId)) {
            if (owner == address(0)) {
                revert ERC721NonexistentToken(tokenId);
            } else {
                revert ERC721InsufficientApproval(spender, tokenId);
            }
        }
    }

    /**
     * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override.
     *
     * NOTE: the value is limited to type(uint128).max. This protect against _balance overflow. It is unrealistic that
     * a uint256 would ever overflow from increments when these increments are bounded to uint128 values.
     *
     * WARNING: Increasing an account's balance using this function tends to be paired with an override of the
     * {_ownerOf} function to resolve the ownership of the corresponding tokens so that balances and ownership
     * remain consistent with one another.
     */
    function _increaseBalance(address account, uint128 value) internal virtual {
        unchecked {
            _balances[account] += value;
        }
    }

    /**
     * @dev Transfers `tokenId` from its current owner to `to`, or alternatively mints (or burns) if the current owner
     * (or `to`) is the zero address. Returns the owner of the `tokenId` before the update.
     *
     * The `auth` argument is optional. If the value passed is non 0, then this function will check that
     * `auth` is either the owner of the token, or approved to operate on the token (by the owner).
     *
     * Emits a {Transfer} event.
     *
     * NOTE: If overriding this function in a way that tracks balances, see also {_increaseBalance}.
     */
    function _update(address to, uint256 tokenId, address auth) internal virtual returns (address) {
        address from = _ownerOf(tokenId);

        // Perform (optional) operator check
        if (auth != address(0)) {
            _checkAuthorized(from, auth, tokenId);
        }

        // Execute the update
        if (from != address(0)) {
            // Clear approval. No need to re-authorize or emit the Approval event
            _approve(address(0), tokenId, address(0), false);

            unchecked {
                _balances[from] -= 1;
            }
        }

        if (to != address(0)) {
            unchecked {
                _balances[to] += 1;
            }
        }

        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        return from;
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal {
        if (to == address(0)) {
            revert ERC721InvalidReceiver(address(0));
        }
        address previousOwner = _update(to, tokenId, address(0));
        if (previousOwner != address(0)) {
            revert ERC721InvalidSender(address(0));
        }
    }

    /**
     * @dev Mints `tokenId`, transfers it to `to` and checks for `to` acceptance.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(address to, uint256 tokenId, bytes memory data) internal virtual {
        _mint(to, tokenId);
        _checkOnERC721Received(address(0), to, tokenId, data);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     * This is an internal function that does not check if the sender is authorized to operate on the token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal {
        address previousOwner = _update(address(0), tokenId, address(0));
        if (previousOwner == address(0)) {
            revert ERC721NonexistentToken(tokenId);
        }
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(address from, address to, uint256 tokenId) internal {
        if (to == address(0)) {
            revert ERC721InvalidReceiver(address(0));
        }
        address previousOwner = _update(to, tokenId, address(0));
        if (previousOwner == address(0)) {
            revert ERC721NonexistentToken(tokenId);
        } else if (previousOwner != from) {
            revert ERC721IncorrectOwner(from, tokenId, previousOwner);
        }
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients
     * are aware of the ERC721 standard to prevent tokens from being forever locked.
     *
     * `data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is like {safeTransferFrom} in the sense that it invokes
     * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `tokenId` token must exist and be owned by `from`.
     * - `to` cannot be the zero address.
     * - `from` cannot be the zero address.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(address from, address to, uint256 tokenId) internal {
        _safeTransfer(from, to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual {
        _transfer(from, to, tokenId);
        _checkOnERC721Received(from, to, tokenId, data);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * The `auth` argument is optional. If the value passed is non 0, then this function will check that `auth` is
     * either the owner of the token, or approved to operate on all tokens held by this owner.
     *
     * Emits an {Approval} event.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address to, uint256 tokenId, address auth) internal {
        _approve(to, tokenId, auth, true);
    }

    /**
     * @dev Variant of `_approve` with an optional flag to enable or disable the {Approval} event. The event is not
     * emitted in the context of transfers.
     */
    function _approve(address to, uint256 tokenId, address auth, bool emitEvent) internal virtual {
        // Avoid reading the owner unless necessary
        if (emitEvent || auth != address(0)) {
            address owner = _requireOwned(tokenId);

            // We do not use _isAuthorized because single-token approvals should not be able to call approve
            if (auth != address(0) && owner != auth && !isApprovedForAll(owner, auth)) {
                revert ERC721InvalidApprover(auth);
            }

            if (emitEvent) {
                emit Approval(owner, to, tokenId);
            }
        }

        _tokenApprovals[tokenId] = to;
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Requirements:
     * - operator can't be the address zero.
     *
     * Emits an {ApprovalForAll} event.
     */
    function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {
        if (operator == address(0)) {
            revert ERC721InvalidOperator(operator);
        }
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Reverts if the `tokenId` doesn't have a current owner (it hasn't been minted, or it has been burned).
     * Returns the owner.
     *
     * Overrides to ownership logic should be done to {_ownerOf}.
     */
    function _requireOwned(uint256 tokenId) internal view returns (address) {
        address owner = _ownerOf(tokenId);
        if (owner == address(0)) {
            revert ERC721NonexistentToken(tokenId);
        }
        return owner;
    }

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target address. This will revert if the
     * recipient doesn't accept the token transfer. The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param data bytes optional data to send along with the call
     */
    function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory data) private {
        if (to.code.length > 0) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {
                if (retval != IERC721Receiver.onERC721Received.selector) {
                    revert ERC721InvalidReceiver(to);
                }
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert ERC721InvalidReceiver(to);
                } else {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        }
    }
}

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

pragma solidity ^0.8.20;

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

    /**
     * @dev The signature derives the `address(0)`.
     */
    error ECDSAInvalidSignature();

    /**
     * @dev The signature has an invalid length.
     */
    error ECDSAInvalidSignatureLength(uint256 length);

    /**
     * @dev The signature has an S value that is in the upper half order.
     */
    error ECDSAInvalidSignatureS(bytes32 s);

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not
     * return address(0) without also returning an error description. Errors are documented using an enum (error type)
     * and a bytes32 providing additional information about the error.
     *
     * If no error is returned, then the address can be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));
        }
    }

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

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     */
    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {
        unchecked {
            bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
            // We do not check for an overflow here since the shift operation results in 0 or 1.
            uint8 v = uint8((uint256(vs) >> 255) + 27);
            return tryRecover(hash, v, r, s);
        }
    }

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

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

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature, bytes32(0));
        }

        return (signer, RecoverError.NoError, bytes32(0));
    }

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

    /**
     * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.
     */
    function _throwError(RecoverError error, bytes32 errorArg) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert ECDSAInvalidSignature();
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert ECDSAInvalidSignatureLength(uint256(errorArg));
        } else if (error == RecoverError.InvalidSignatureS) {
            revert ECDSAInvalidSignatureS(errorArg);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol)

pragma solidity ^0.8.20;

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

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

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

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

    bytes32 private immutable _hashedName;
    bytes32 private immutable _hashedVersion;

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or
     *   {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the address zero.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.20;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be
     * reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.20;

import {IERC721} from "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// 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/Strings.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

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

pragma solidity ^0.8.20;

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

/**
 * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.
 *
 * The library provides methods for generating a hash of a message that conforms to the
 * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]
 * specifications.
 */
library MessageHashUtils {
    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x45` (`personal_sign` messages).
     *
     * The digest is calculated by prefixing a bytes32 `messageHash` with
     * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the
     * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.
     *
     * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with
     * keccak256, although any bytes32 value can be safely used because the final digest will
     * be re-hashed.
     *
     * See {ECDSA-recover}.
     */
    function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash
            mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix
            digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)
        }
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x45` (`personal_sign` messages).
     *
     * The digest is calculated by prefixing an arbitrary `message` with
     * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the
     * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.
     *
     * See {ECDSA-recover}.
     */
    function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {
        return
            keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message));
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x00` (data with intended validator).
     *
     * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended
     * `validator` address. Then hashing the result.
     *
     * See {ECDSA-recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked(hex"19_00", validator, data));
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`).
     *
     * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with
     * `\x19\x01` and hashing the result. It corresponds to the hash signed by the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.
     *
     * See {ECDSA-recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, hex"19_01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            digest := keccak256(ptr, 0x42)
        }
    }
}

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

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.20;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

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

pragma solidity ^0.8.20;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

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

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

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

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            return a / b;
        }

        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

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

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

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

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

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

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

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

            uint256 twos = denominator & (0 - denominator);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

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

pragma solidity ^0.8.20;

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.20;

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

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

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

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

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

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

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

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

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

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

{
  "remappings": [
    "@superfluid-finance/ethereum-contracts/=lib/superfluid-protocol-monorepo/packages/ethereum-contracts/",
    "@superfluid-finance/solidity-semantic-money/=lib/superfluid-protocol-monorepo/packages/solidity-semantic-money/",
    "@superfluid-finance/automation-contracts/=lib/superfluid-protocol-monorepo/packages/automation-contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts-v4/contracts/",
    "@openzeppelin-v5/contracts/=lib/openzeppelin-contracts-v5/contracts/",
    "@uniswap/v4-core/=lib/uniswap-v4-core/",
    "@uniswap/v4-periphery/=lib/uniswap-v4-periphery/",
    "@ensdomains/=lib/uniswap-v4-core/node_modules/@ensdomains/",
    "ds-test/=lib/openzeppelin-contracts-v5/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-v5/lib/erc4626-tests/",
    "forge-gas-snapshot/=lib/uniswap-v4-periphery/lib/permit2/lib/forge-gas-snapshot/src/",
    "forge-std/=lib/forge-std/src/",
    "hardhat/=lib/uniswap-v4-core/node_modules/hardhat/",
    "openzeppelin-contracts-v4/=lib/openzeppelin-contracts-v4/",
    "openzeppelin-contracts-v5/=lib/openzeppelin-contracts-v5/",
    "openzeppelin-contracts/=lib/uniswap-v4-core/lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts-v4/contracts/",
    "permit2/=lib/uniswap-v4-periphery/lib/permit2/",
    "solmate/=lib/uniswap-v4-core/lib/solmate/",
    "superfluid-protocol-monorepo/=lib/superfluid-protocol-monorepo/packages/solidity-semantic-money/src/",
    "uniswap-v4-core/=lib/uniswap-v4-core/src/",
    "uniswap-v4-periphery/=lib/uniswap-v4-periphery/",
    "v4-core/=lib/uniswap-v4-periphery/lib/v4-core/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false
}

• No Contract Security Audit Submitted- Submit Audit Here

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0000000000000000000000005d6d8518a1d564c85ea5c41d1dc0deca70f2301c

-----Decoded View---------------
Arg [0] : protocolTreasury_ (address): 0x5D6D8518A1d564c85ea5c41d1dc0deca70F2301C

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000005d6d8518a1d564c85ea5c41d1dc0deca70f2301c