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

import "ViciERC20.sol";
import "IERC20UtilityOperations.sol";

/**
 * @title Vici ERC20 Utility Token
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 *
 * @notice This contract extends the behavior of the base Vici ERC20 contract by
 * providing a limitations to how airdropped tokens can be used by earmarking
 * tokens or by timelocking tokens.
 * @notice Earmarked tokens are airdropped to a user for the purpose of allowing
 * them to attend an event, purchase an NFT, or participate in other experiences
 * or utilities offered by ViciNFT.
 * @notice Time-locked tokens are airdropped to VIPs. Over time, time-locked
 * tokens become unlocked tokens according to a vesting schedule. Time-locked
 * tokens may also be spent in the same manner as earmarked tokens.
 * @notice If a user has earmarked tokens and time-locked tokens, the earmarked
 * tokens are spent first.
 * @dev Roles used by the access management are
 * - DEFAULT_ADMIN_ROLE: administers the other roles
 * - MODERATOR_ROLE_NAME: administers the banned role
 * - MINTER_ROLE_NAME: can mint/burn tokens
 * - AIRDROP_ROLE_NAME: can airdrop tokens and manage the list of addresses
 *   where earmarked tokens may be transferred.
 * - BANNED_ROLE: cannot send or receive tokens
 */
contract ViciERC20UtilityToken is ViciERC20 {
    event LostTokensRecovered(address from, address to, uint256 value);

    function utilityOps()
        internal
        view
        virtual
        returns (IERC20UtilityOperations)
    {
        return IERC20UtilityOperations(address(tokenData));
    }

    /**
     * @notice Transfers tokens from the caller to a recipient and establishes
     * a vesting schedule.
     * If `recipient` already has a locked balance, then
     * - if `amount` is greater than the airdropThreshold AND `release` is later than the current
     *      lockReleaseDate, the lockReleaseDate will be updated.
     * - if `amount` is less than the airdropThreshold OR `release` is earlier than the current
     *      lockReleaseDate, the lockReleaseDate will be left unchanged.
     * @param recipient the user receiving the airdrop
     * @param amount the amount to transfer
     * @param release the new lock release date, as a Unix timestamp in seconds
     *
     * Requirements:
     * - caller MUST have the AIRDROPPER role
     * - the transaction MUST meet all requirements for a transfer
     * @dev see IERC20Operations.transfer
     */
    function airdropTimelockedTokens(
        address recipient,
        uint256 amount,
        uint256 release
    ) public virtual {
        utilityOps().airdropTimelockedTokens(
            this,
            ERC20TransferData(_msgSender(), _msgSender(), recipient, amount),
            release
        );
        _post_transfer_hook(_msgSender(), recipient, amount);
    }

    /**
     * @notice Unlocks some or all of `account`'s locked tokens.
     * @param account the user
     * @param unlockAmount the amount to unlock
     *
     * Requirements:
     * - caller MUST be the owner or have the UNLOCK_LOCKED_TOKENS role
     * - `unlockAmount` MAY be greater than the locked balance, in which case
     *     all of the account's locked tokens are unlocked.
     */
    function unlockLockedTokens(
        address account,
        uint256 unlockAmount
    ) public virtual {
        utilityOps().unlockLockedTokens(
            this,
            msg.sender,
            account,
            unlockAmount
        );
    }

    /**
     * @notice Resets the lock period for a batch of addresses
     * @notice This function has no effect on accounts without a locked token balance
     * @param release the new lock release date, as a Unix timestamp in seconds
     * @param addresses the list of addresses to be reset
     *
     * Requirements:
     * - caller MUST be the owner or have the UNLOCK_LOCKED_TOKENS role
     * - `release` MAY be zero or in the past, in which case the users' entire locked balances become unlocked
     * - `addresses` MAY contain accounts without a locked balance, in which case the account is unaffected
     */
    function updateTimelocks(
        uint256 release,
        address[] calldata addresses
    ) public virtual {
        utilityOps().updateTimelocks(this, msg.sender, release, addresses);
    }

    /**
     * @notice Returns the amount of locked tokens for `account`.
     * @param account the user address
     */
    function lockedBalanceOf(
        address account
    ) public view virtual returns (uint256) {
        return utilityOps().lockedBalanceOf(account);
    }

    /**
     * @notice Returns the Unix timestamp when a user's locked tokens will be
     * released.
     * @param account the user address
     */
    function lockReleaseDate(
        address account
    ) public view virtual returns (uint256) {
        return utilityOps().lockReleaseDate(account);
    }

    /**
     * @notice Returns the difference between `account`'s total balance and its
     * locked balance.
     * @param account the user address
     */
    function unlockedBalanceOf(
        address account
    ) public view virtual returns (uint256) {
        return utilityOps().unlockedBalanceOf(account);
    }

    /**
     * @notice recovers tokens from lost wallets
     * @dev emits LostTokensRecovered
     *
     * Requirements
     * - `operator` MUST be the contract owner.
     * - `fromAddress` MUST have been marked as a "lost wallet".
     * - `toAddress` MUST NOT be banned or OFAC sanctioned
     */
    function recoverMisplacedTokens(
        address lostWallet,
        address toAddress
    ) public virtual onlyOwner {
        uint256 amount = utilityOps().recoverMisplacedTokens(
            this,
            msg.sender,
            lostWallet,
            toAddress
        );
        emit LostTokensRecovered(lostWallet, toAddress, amount);
        _post_transfer_hook(lostWallet, toAddress, amount);
    }
}

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

import "IERC20Metadata.sol";
import "ERC677ReceiverInterface.sol";

import "IBridgeable.sol";
import "BaseViciContract.sol";
import "EIP712.sol";
import "Monotonic.sol";
import "IERC677.sol";
import "IERC20Operations.sol";

/**
 * @title Vici ERC20
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 *
 * @dev This contract provides base functionality for an ERC20 token.
 * @dev It adds support for pausible, ownable, access roles, and OFAC sanctions
 * compliance.
 * @dev Roles used by the access management are
 * - DEFAULT_ADMIN_ROLE: administers the other roles
 * - MODERATOR_ROLE_NAME: administers the banned role
 * - MINTER_ROLE_NAME: can mint/burn tokens
 * - BRIDGE_CONTRACT: a registered bridge
 * - BANNED_ROLE: cannot send or receive tokens
 */
contract ViciERC20 is
    BaseViciContract,
    IERC20Metadata,
    IERC677,
    IBridgeable,
    EIP712
{
    using Monotonic for Monotonic.Increaser;

    event SanctionedAssetsRecovered(address from, address to, uint256 value);

    // Creator can create a new token type and mint an initial supply.
    bytes32 public constant MINTER_ROLE_NAME = "minter";

    // solhint-disable-next-line var-name-mixedcase
    bytes32 private constant _PERMIT_TYPEHASH =
        keccak256(
            "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
        );

    /**
     * @dev In previous versions `_PERMIT_TYPEHASH` was declared as `immutable`.
     * However, to ensure consistency with the upgradeable transpiler, we will continue
     * to reserve a slot.
     * @custom:oz-renamed-from _PERMIT_TYPEHASH
     */
    // solhint-disable-next-line var-name-mixedcase
    bytes32 private _PERMIT_TYPEHASH_DEPRECATED_SLOT;

    mapping(address => Monotonic.Increaser) private _nonces;
    string public name;
    string public symbol;
    uint8 public decimals;

    IERC20Operations public tokenData;

    bool public isMain;
    address public vault;

    /* ################################################################
     * Initialization
     * ##############################################################*/

    /**
     * @dev Use this one when deploying for the first time on a new chain.
     * @dev Use reinit when upgrading from a v1 token
     * @param _accessServer The Access Server contract
     * @param _tokenData The ERC20 Operations contract. You MUST set this contract as the owner of that contract.
     * @param _name the name of the token.
     * @param _symbol the token symbol.
     * @param _decimals the number of decimals.
     */
    function initialize(
        IAccessServer _accessServer,
        IERC20Operations _tokenData,
        string calldata _name,
        string calldata _symbol,
        uint8 _decimals,
        bool _isMain
    ) public virtual reinitializer(2) {
        __ViciERC20_init(
            _accessServer,
            _tokenData,
            _name,
            _symbol,
            _decimals,
            _isMain
        );
    }

    function __ViciERC20_init(
        IAccessServer _accessServer,
        IERC20Operations _tokenData,
        string calldata _name,
        string calldata _symbol,
        uint8 _decimals,
        bool _isMain
    ) internal onlyInitializing {
        EIP712.__EIP712_init(_name, "1");
        BaseViciContract.__BaseViciContract_init(_accessServer);
        __ViciERC20_init_unchained(
            _tokenData,
            _name,
            _symbol,
            _decimals,
            _isMain
        );
    }

    function __ViciERC20_init_unchained(
        IERC20Operations _tokenData,
        string calldata _name,
        string calldata _symbol,
        uint8 _decimals,
        bool _isMain
    ) internal onlyInitializing {
        tokenData = _tokenData;
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
        __ViciCoinV02_reinit(_isMain);
    }

    /**
     * @dev Use this one when upgrading from a v1 token
     * @dev Use initialize when deploying for the first time on a new chain.
     */
    function reinit(bool _isMain) public reinitializer(2) {
        __ViciCoinV02_reinit(_isMain);
    }

    function __ViciCoinV02_reinit(bool _isMain) internal onlyInitializing {
        isMain = _isMain;
        if (isMain) {
            vault = address(tokenData);
        }
    }

    /* ################################################################
     * Queries
     * ##############################################################*/

    /**
     * @notice Returns the total maximum possible tokens.
     */
    function maxSupply() public view virtual returns (uint256) {
        return tokenData.getMaxSupply();
    }

    /**
     * @inheritdoc IERC20
     */
    function totalSupply() public view virtual returns (uint256) {
        return tokenData.totalSupply();
    }

    function circulatingSupply() public view virtual returns (uint256) {
        if (isMain) {
            return totalSupply() - balanceOf(vault);
        }

        return totalSupply();
    }

    /**
     * @notice Returns the total maximum possible tokens.
     */
    function availableSupply() public view virtual returns (uint256) {
        return tokenData.availableSupply();
    }

    /**
     * @dev see IERC20
     */
    function balanceOf(
        address owner
    ) public view virtual returns (uint256 balance) {
        return tokenData.balanceOf(owner);
    }

    /**
     * @dev Returns the number of distict owners.
     * @dev use with `getOwnerAtIndex()` to iterate.
     */
    function getOwnerCount() public view virtual returns (uint256) {
        return tokenData.ownerCount();
    }

    /**
     * @dev Returns the address of the owner at the index.
     * @dev use with `ownerCount()` to iterate.
     *
     * @param index the index into the list of owners
     *
     * Requirements
     * - `index` MUST be less than the number of owners.
     */
    function getOwnerAtIndex(
        uint256 index
    ) public view virtual returns (address) {
        return tokenData.ownerAtIndex(index);
    }

    /* ################################################################
     * Bridging / Transferring
     * ##############################################################*/

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(
        address toAddress,
        uint256 amount
    ) public virtual override returns (bool) {
        tokenData.transfer(
            this,
            ERC20TransferData(_msgSender(), _msgSender(), toAddress, amount)
        );
        _post_transfer_hook(_msgSender(), toAddress, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     * @dev See {safeTransferFrom}.
     *
     * Requirements
     *
     * - `fromAddress` and `toAddress` MUST NOT be the zero address.
     * - `toAddress`, `fromAddress`, and calling user MUST NOT be banned.
     * - `_tokenId` MUST belong to `fromAddress`.
     * - Calling user must be the `fromAddress` or be approved by the `fromAddress`.
     * - `_tokenId` must exist
     *
     * @inheritdoc IERC20
     */
    function transferFrom(
        address fromAddress,
        address toAddress,
        uint256 amount
    ) public virtual override returns (bool) {
        tokenData.transfer(
            this,
            ERC20TransferData(_msgSender(), fromAddress, toAddress, amount)
        );
        _post_transfer_hook(fromAddress, toAddress, amount);
        return true;
    }

    /**
     * @inheritdoc IERC677
     */
    function transferAndCall(
        address to,
        uint256 value,
        bytes calldata data
    ) public virtual override returns (bool success) {
        transfer(to, value);
        ERC677ReceiverInterface receiver = ERC677ReceiverInterface(to);
        receiver.onTokenTransfer(_msgSender(), value, data);
        return true;
    }

    /**
     * Requirements:
     * - caller MUST be a registered bridge contract
     * -
     *
     * @inheritdoc IBridgeable
     */
    function sentToBridge(
        BridgeArgs calldata args
    ) public payable onlyRole(BRIDGE_CONTRACT) {
        if (isMain) {
            tokenData.transfer(
                this,
                ERC20TransferData(
                    args.caller,
                    args.fromAddress,
                    vault,
                    args.amount
                )
            );
            _post_transfer_hook(args.fromAddress, vault, args.amount);
        } else {
            tokenData.burn(
                this,
                ERC20BurnData(
                    args.caller,
                    ANY_ROLE,
                    args.fromAddress,
                    args.amount
                )
            );
            _post_burn_hook(args.fromAddress, args.amount);
        }

        emit SentToBridge(
            args.fromAddress,
            args.toAddress,
            1,
            args.amount,
            args.caller,
            args.remoteChainId
        );
    }

    function receivedFromBridge(
        BridgeArgs calldata args
    ) public payable onlyRole(BRIDGE_CONTRACT) {
        if (isMain) {
            tokenData.transfer(
                this,
                ERC20TransferData(vault, vault, args.toAddress, args.amount)
            );
            _post_transfer_hook(vault, args.toAddress, args.amount);
        } else {
            tokenData.mint(
                this,
                ERC20MintData(
                    _msgSender(),
                    ANY_ROLE,
                    args.toAddress,
                    args.amount
                )
            );
            _post_mint_hook(args.toAddress, args.amount);
        }

        emit ReceivedFromBridge(
            args.fromAddress,
            args.toAddress,
            1,
            args.amount,
            args.caller,
            args.remoteChainId
        );
    }

    /* ################################################################
     * Approvals / Allowances
     * ##############################################################*/

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(
        address owner,
        address spender
    ) public view virtual override returns (uint256) {
        return tokenData.allowance(owner, spender);
        //return _allowances[owner][spender];
    }

    /**
     * Requirements
     *
     * - caller MUST be the token owner or be approved for all by the token
     *     owner.
     * - `operator` MUST NOT be the zero address.
     * - `operator` and calling user MUST NOT be banned.
     *
     * @inheritdoc IERC20
     */
    function approve(
        address operator,
        uint256 amount
    ) public virtual override returns (bool) {
        tokenData.permit(this, _msgSender(), operator, amount);
        emit Approval(_msgSender(), operator, amount);
        return true;
    }

    /**
     * @dev See {IERC20Permit-permit}.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(block.timestamp <= deadline, "ERC20Permit: expired deadline");

        bytes32 structHash = keccak256(
            abi.encode(
                _PERMIT_TYPEHASH,
                owner,
                spender,
                value,
                _useNonce(owner),
                deadline
            )
        );

        bytes32 hash = _hashTypedDataV4(structHash);

        address signer = ECDSA.recover(hash, v, r, s);
        require(signer == owner, "ERC20Permit: invalid signature");

        tokenData.permit(this, owner, spender, value);
        emit Approval(owner, spender, value);
    }

    function getChainId() public view returns (uint256) {
        return block.chainid;
    }

    /**
     * @dev See {IERC20Permit-nonces}.
     */
    function nonces(address owner) public view virtual returns (uint256) {
        return _nonces[owner].current();
    }

    /**
     * @notice recover assets in banned or sanctioned accounts
     * @dev emits SanctionedAssetsRecovered
     *
     * Requirements
     * - `operator` MUST be the contract owner.
     * - `fromAddress` MUST be banned or OFAC sanctioned
     * - `toAddress` MAY be the zero address, in which case the
     *     assets are burned.
     * - `toAddress` MUST NOT be banned or OFAC sanctioned
     */
    function recoverSanctionedAssets(
        address fromAddress,
        address toAddress
    ) public virtual onlyOwner {
        uint256 amount = tokenData.recoverSanctionedAssets(
            this,
            msg.sender,
            fromAddress,
            toAddress
        );
        emit SanctionedAssetsRecovered(fromAddress, toAddress, amount);
        _post_transfer_hook(fromAddress, toAddress, amount);
    }

    /**
     * @dev "Consume a nonce": return the current value and increment.
     *
     * _Available since v4.1._
     */
    function _useNonce(
        address owner
    ) internal virtual returns (uint256 current) {
        Monotonic.Increaser storage nonce = _nonces[owner];
        current = nonce.current();
        nonce.add(1);
    }

    /**
     * @dev See {IERC20Permit-DOMAIN_SEPARATOR}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return _domainSeparatorV4();
    }

    /* ################################################################
     * Hooks
     * ##############################################################*/

    function _post_mint_hook(
        address toAddress,
        uint256 amount
    ) internal virtual {
        _post_transfer_hook(address(0), toAddress, amount);
    }

    function _post_burn_hook(
        address fromAddress,
        uint256 amount
    ) internal virtual {
        _post_transfer_hook(fromAddress, address(0), amount);
    }

    function _post_transfer_hook(
        address fromAddress,
        address toAddress,
        uint256 amount
    ) internal virtual {
        emit Transfer(fromAddress, toAddress, amount);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[43] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.6;

interface ERC677ReceiverInterface {
  function onTokenTransfer(
    address sender,
    uint256 amount,
    bytes calldata data
  ) external;
}

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

import "AccessConstants.sol";

struct BridgeArgs {
    address caller;
    address fromAddress;
    address toAddress;
    uint256 remoteChainId;
    uint256 itemId;
    uint256 amount;
}

struct SendParams {
    address fromAddress;
    uint256 dstChainId;
    address toAddress;
    uint256 itemId;
    uint256 amount;
}

/**
 * @title Bridgeable Interface
 * @dev common interface for bridgeable tokens
 */
interface IBridgeable {
    event SentToBridge(
        address indexed fromAddress,
        address indexed toAddress,
        uint256 indexed itemId,
        uint256 amount,
        address caller,
        uint256 dstChainId
    );

    event ReceivedFromBridge(
        address indexed fromAddress,
        address indexed toAddress,
        uint256 indexed itemId,
        uint256 amount,
        address caller,
        uint256 srcChainId
    );

    /**
     * @dev Callback function to notify when tokens have been sent through a bridge.
     * @dev Implementations SHOULD either lock or burn these tokens.
     * @param args.caller the original message sender
     * @param args.fromAddress the owner of the tokens that were sent
     * @param args.toAddress the destination address on the other chain
     * @param args.remoteChainId the chain id for the destination
     * @param args.itemId the token id for ERC721 or ERC1155 tokens. Ignored for ERC20 tokens.
     * @param args.amount the amount of tokens sent for ERC20 and ERC1155 tokens. Ignored for ERC721 tokens.
     */
    function sentToBridge(BridgeArgs calldata args) external payable;

    /**
     * @dev Callback function to notify when tokens have been sent through a bridge.
     * @dev Implementations SHOULD either unlock or mint these tokens and send them to the `toAddress`.
     * @dev IMPORTANT: access to this function MUST be tightly controlled. Otherwise it's an infinite free tokens function.
     * @param args.caller the original message sender
     * @param args.fromAddress the owner of the tokens that were sent
     * @param args.toAddress the destination address on this chain
     * @param args.srcChainId the chain id for the source
     * @param args.itemId the token id for ERC721 or ERC1155 tokens. Ignored for ERC20 tokens.
     * @param args.amount the amount of tokens sent for ERC20 and ERC1155 tokens. Ignored for ERC721 tokens.
     */
    function receivedFromBridge(BridgeArgs calldata args) external payable;
}

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

bytes32 constant DEFAULT_ADMIN = 0x00;
bytes32 constant BANNED = "banned";
bytes32 constant MODERATOR = "moderator";
bytes32 constant ANY_ROLE = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;
bytes32 constant BRIDGE_CONTRACT = keccak256("BRIDGE_CONTRACT");
bytes32 constant BRIDGE_ROLE_MGR = keccak256("BRIDGE_ROLE_MGR");

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

import "IERC20.sol";
import "IERC721.sol";
import "IERC1155.sol";

import "IAccessServer.sol";
import "Pausable.sol";
import "ViciAccess.sol";

/**
 * @title Base Vici Contract
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 * 
 * @dev This abstract base contract grants the following features to subclasses
 * - Owner and role based access
 * - Ability to pause / unpause
 * - Rescue functions for crypto and tokens transferred to the contract
 */
abstract contract BaseViciContract is ViciAccess, Pausable {
    function __BaseViciContract_init(IAccessServer _accessServer) internal onlyInitializing {
        __ViciAccess_init(_accessServer);
		__Pausable_init();
        __BaseViciContract_init_unchained();
    }

    function __BaseViciContract_init_unchained() internal onlyInitializing {}

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - Calling user MUST be owner.
     * - The contract must not be paused.
     */
	function pause() external onlyOwner {
		_pause();
	}

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - Calling user MUST be owner.
     * - The contract must be paused.
     */
	function unpause() external onlyOwner {
		_unpause();
	}
	
	function _withdrawERC20(
		uint256 amount,
		address payable toAddress,
		IERC20 tokenContract
	) internal virtual {
		tokenContract.transfer(toAddress, amount);
	}
	
	function withdrawERC20(
		uint256 amount,
		address payable toAddress,
		IERC20 tokenContract
	) public onlyOwner virtual {
		_withdrawERC20(amount, toAddress, tokenContract);
	}
	
	function _withdrawERC721(
		uint256 tokenId,
		address payable toAddress,
		IERC721 tokenContract
	) internal virtual {
		tokenContract.safeTransferFrom(address(this), toAddress, tokenId);
	}
	
	function withdrawERC721(
		uint256 tokenId,
		address payable toAddress,
		IERC721 tokenContract
	) public virtual onlyOwner {
		_withdrawERC721(tokenId, toAddress, tokenContract);
	}
	
	function _withdrawERC1155(
		uint256 tokenId,
		uint256 amount,
		address payable toAddress,
        bytes calldata data,
		IERC1155 tokenContract
	) internal virtual {
		tokenContract.safeTransferFrom(
			address(this), toAddress, tokenId, amount, data
		);
	}
	
	function withdrawERC1155(
		uint256 tokenId,
		uint256 amount,
		address payable toAddress,
        bytes calldata data,
		IERC1155 tokenContract
	) public virtual onlyOwner {
		_withdrawERC1155(tokenId, amount, toAddress, data, tokenContract);
	}
	
	function _withdraw(
		address payable toAddress
	) internal virtual {
		toAddress.transfer(address(this).balance);
	}
	
	function withdraw(
		address payable toAddress
	) public virtual onlyOwner {
		_withdraw(toAddress);
	}

	receive() external payable virtual {}

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "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 caller.
     *
     * 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 v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @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 v4.7.0) (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

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

interface ChainalysisSanctionsList {
    function isSanctioned(address addr) external view returns (bool);
}

/**
 * @title Access Server Interface
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 *
 * @dev Interface for the AccessServer.
 * @dev AccessServer client contracts SHOULD refer to the server contract via
 * this interface.
 */
interface IAccessServer {
    /**
     * @notice Emitted when a new administrator is added.
     */
    event AdminAddition(address indexed admin);

    /**
     * @notice Emitted when an administrator is removed.
     */
    event AdminRemoval(address indexed admin);

    /**
     * @notice Emitted when a resource is registered.
     */
    event ResourceRegistration(address indexed resource);

    /**
     * @notice Emitted when `newAdminRole` is set globally as ``role``'s admin
     * role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {GlobalRoleAdminChanged} not being emitted signaling this.
     */
    event GlobalRoleAdminChanged(
        bytes32 indexed role,
        bytes32 indexed previousAdminRole,
        bytes32 indexed newAdminRole
    );

    /**
     * @notice Emitted when `account` is granted `role` globally.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event GlobalRoleGranted(
        bytes32 indexed role,
        address indexed account,
        address indexed sender
    );

    /**
     * @notice Emitted when `account` is revoked `role` globally.
     * @notice `account` will still have `role` where it was granted
     * specifically for any resources
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event GlobalRoleRevoked(
        bytes32 indexed role,
        address indexed account,
        address indexed sender
    );

    /* ################################################################
     * Modifiers / Rule Enforcement
     * ##############################################################*/

    /**
     * @dev Throws if the account is not the resource's owner.
     */
    function enforceIsOwner(address resource, address account) external view;

    /**
     * @dev Throws if the account is not the calling resource's owner.
     */
    function enforceIsMyOwner(address account) external view;

    /**
     * @dev Reverts if the account is not the resource owner or doesn't have
     * the moderator role for the resource.
     */
    function enforceIsModerator(address resource, address account)
        external
        view;

    /**
     * @dev Reverts if the account is not the resource owner or doesn't have
     * the moderator role for the calling resource.
     */
    function enforceIsMyModerator(address account) external view;

    /**
     * @dev Reverts if the account is under OFAC sanctions or is banned for the
     * resource
     */
    function enforceIsNotBanned(address resource, address account)
        external
        view;

    /**
     * @dev Reverts if the account is under OFAC sanctions or is banned for the
     * calling resource
     */
    function enforceIsNotBannedForMe(address account) external view;

    /**
     * @dev Reverts the account is on the OFAC sanctions list.
     */
    function enforceIsNotSanctioned(address account) external view;

    /**
     * @dev Reverts if the account is not the resource owner or doesn't have
     * the required role for the resource.
     */
    function enforceOwnerOrRole(
        address resource,
        bytes32 role,
        address account
    ) external view;

    /**
     * @dev Reverts if the account is not the resource owner or doesn't have
     * the required role for the calling resource.
     */
    function enforceOwnerOrRoleForMe(bytes32 role, address account)
        external
        view;

    /* ################################################################
     * Administration
     * ##############################################################*/

    /**
     * @dev Returns `true` if `admin` is an administrator of this AccessServer.
     */
    function isAdministrator(address admin) external view returns (bool);

    /**
     * @dev Adds `admin` as an administrator of this AccessServer.
     */
    function addAdministrator(address admin) external;

    /**
     * @dev Removes `admin` as an administrator of this AccessServer.
     */
    function removeAdministrator(address admin) external;

    /**
     * @dev Returns the number of administrators of this AccessServer.
     * @dev Use with `getAdminAt()` to enumerate.
     */
    function getAdminCount() external view returns (uint256);

    /**
     * @dev Returns the administrator at the index.
     * @dev Use with `getAdminCount()` to enumerate.
     */
    function getAdminAt(uint256 index) external view returns (address);

    /**
     * @dev Returns the list of administrators
     */
    function getAdmins() external view returns (address[] memory);

    /**
     * @dev returns the Chainalysis sanctions oracle.
     */
    function sanctionsList() external view returns (ChainalysisSanctionsList);

    /**
     * @dev Sets the Chainalysis sanctions oracle.
     * @dev setting this to the zero address disables sanctions compliance.
     * @dev Don't disable sanctions compliance unless there is some problem
     * with the sanctions oracle.
     */
    function setSanctionsList(ChainalysisSanctionsList _sanctionsList) external;

    /**
     * @dev Returns `true` if `account` is under OFAC sanctions.
     * @dev Returns `false` if sanctions compliance is disabled.
     */
    function isSanctioned(address account) external view returns (bool);

    /* ################################################################
     * Registration / Ownership
     * ##############################################################*/

    /**
     * @dev Registers the calling resource and sets the resource owner.
     * @dev Grants the default administrator role for the resource to the
     * resource owner.
     *
     * Requirements:
     * - caller SHOULD be a contract
     * - caller MUST NOT be already registered
     * - `owner` MUST NOT be the zero address
     * - `owner` MUST NOT be globally banned
     * - `owner` MUST NOT be under OFAC sanctions
     */
    function register(address owner) external;

    /**
     * @dev Returns `true` if `resource` is registered.
     */
    function isRegistered(address resource) external view returns (bool);

    /**
     * @dev Returns the owner of `resource`.
     */
    function getResourceOwner(address resource) external view returns (address);

    /**
     * @dev Returns the owner of the calling resource.
     */
    function getMyOwner() external view returns (address);

    /**
     * @dev Sets the owner for the calling resource.
     *
     * Requirements:
     * - caller MUST be a registered resource
     * - `operator` MUST be the current owner
     * - `newOwner` MUST NOT be the zero address
     * - `newOwner` MUST NOT be globally banned
     * - `newOwner` MUST NOT be banned by the calling resource
     * - `newOwner` MUST NOT be under OFAC sanctions
     * - `newOwner` MUST NOT be the current owner
     */
    function setMyOwner(address operator, address newOwner) external;

    /* ################################################################
     * Role Administration
     * ##############################################################*/

    /**
     * @dev Returns the admin role that controls `role` by default for all
     * resources. See {grantRole} and {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getGlobalRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Returns the admin role that controls `role` for a resource.
     * See {grantRole} and {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdminForResource(address resource, bytes32 role)
        external
        view
        returns (bytes32);

    /**
     * @dev Returns the admin role that controls `role` for the calling resource.
     * See {grantRole} and {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getMyRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Sets `adminRole` as ``role``'s admin role on as default all
     * resources.
     *
     * Requirements:
     * - caller MUST be an an administrator of this AccessServer
     */
    function setGlobalRoleAdmin(bytes32 role, bytes32 adminRole) external;

    /**
     * @dev Sets `adminRole` as ``role``'s admin role on the calling resource.
     * @dev There is no set roleAdminForResource vs setRoleAdminForMe.
     * @dev Resources must manage their own role admins or use the global
     * defaults.
     *
     * Requirements:
     * - caller MUST be a registered resource
     */
    function setRoleAdmin(
        address operator,
        bytes32 role,
        bytes32 adminRole
    ) external;

    /* ################################################################
     * Checking Role Membership
     * ##############################################################*/

    /**
     * @dev Returns `true` if `account` has been granted `role` as default for
     * all resources.
     */
    function hasGlobalRole(bytes32 role, address account)
        external
        view
        returns (bool);

    /**
     * @dev Returns `true` if `account` has been granted `role` globally or for
     * `resource`.
     */
    function hasRole(
        address resource,
        bytes32 role,
        address account
    ) external view returns (bool);

    /**
     * @dev Returns `true` if `account` has been granted `role` for `resource`.
     */
    function hasLocalRole(
        address resource,
        bytes32 role,
        address account
    ) external view returns (bool);

    /**
     * @dev Returns `true` if `account` has been granted `role` globally or for
     * the calling resource.
     */
    function hasRoleForMe(bytes32 role, address account)
        external
        view
        returns (bool);

    /**
     * @dev Returns `true` if account` is banned globally or from `resource`.
     */
    function isBanned(address resource, address account)
        external
        view
        returns (bool);

    /**
     * @dev Returns `true` if account` is banned globally or from the calling
     * resource.
     */
    function isBannedForMe(address account) external view returns (bool);

    /**
     * @dev Reverts if `account` has not been granted `role` globally or for
     * `resource`.
     */
    function checkRole(
        address resource,
        bytes32 role,
        address account
    ) external view;

    /**
     * @dev Reverts if `account` has not been granted `role` globally or for
     * the calling resource.
     */
    function checkRoleForMe(bytes32 role, address account) external view;

    /* ################################################################
     * Granting Roles
     * ##############################################################*/

    /**
     * @dev Grants `role` to `account` as default for all resources.
     * @dev Warning: This function can do silly things like applying a global
     * ban to a resource owner.
     *
     * Requirements:
     * - caller MUST be an an administrator of this AccessServer
     * - If `role` is not BANNED_ROLE_NAME, `account` MUST NOT be banned or
     *   under OFAC sanctions. Roles cannot be granted to such accounts.
     */
    function grantGlobalRole(bytes32 role, address account) external;

    /**
     * @dev Grants `role` to `account` for the calling resource as `operator`.
     * @dev There is no set grantRoleForResource vs grantRoleForMe.
     * @dev Resources must manage their own roles or use the global defaults.
     *
     * Requirements:
     * - caller MUST be a registered resource
     * - `operator` SHOULD be the account that called `grantRole()` on the
     *    calling resource.
     * - `operator` MUST be the resource owner or have the role admin role
     *    for `role` on the calling resource.
     * - If `role` is BANNED_ROLE_NAME, `account` MUST NOT be the resource
     *   owner. You can't ban the owner.
     * - If `role` is not BANNED_ROLE_NAME, `account` MUST NOT be banned or
     *   under OFAC sanctions. Roles cannot be granted to such accounts.
     */
    function grantRole(
        address operator,
        bytes32 role,
        address account
    ) external;

    /* ################################################################
     * Revoking / Renouncing Roles
     * ##############################################################*/

    /**
     * @dev Revokes `role` as default for all resources from `account`.
     *
     * Requirements:
     * - caller MUST be an an administrator of this AccessServer
     */
    function revokeGlobalRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account` for the calling resource as
     * `operator`.
     *
     * Requirements:
     * - caller MUST be a registered resource
     * - `operator` SHOULD be the account that called `revokeRole()` on the
     *    calling resource.
     * - `operator` MUST be the resource owner or have the role admin role
     *    for `role` on the calling resource.
     * - if `role` is DEFAULT_ADMIN_ROLE, `account` MUST NOT be the calling
     *   resource's owner. The admin role cannot be revoked from the owner.
     */
    function revokeRole(
        address operator,
        bytes32 role,
        address account
    ) external;

    /**
     * @dev Remove the default role for yourself. You will still have the role
     * for any resources where it was granted individually.
     *
     * Requirements:
     * - caller MUST have the role they are renouncing at the global level.
     * - `role` MUST NOT be BANNED_ROLE_NAME. You can't unban yourself.
     */
    function renounceRoleGlobally(bytes32 role) external;

    /**
     * @dev Renounces `role` for the calling resource as `operator`.
     *
     * Requirements:
     * - caller MUST be a registered resource
     * - `operator` SHOULD be the account that called `renounceRole()` on the
     *    calling resource.
     * - `operator` MUST have the role they are renouncing on the calling
     *   resource.
     * - if `role` is DEFAULT_ADMIN_ROLE, `operator` MUST NOT be the calling
     *   resource's owner. The owner cannot renounce the admin role.
     * - `role` MUST NOT be BANNED_ROLE_NAME. You can't unban yourself.
     */
    function renounceRole(address operator, bytes32 role) external;

    /* ################################################################
     * Enumerating Role Members
     * ##############################################################*/

    /**
     * @dev Returns the number of accounts that have `role` set at the global
     * level.
     * @dev Use with `getGlobalRoleMember()` to enumerate.
     */
    function getGlobalRoleMemberCount(bytes32 role) external view returns (uint256);

    /**
     * @dev Returns one of the accounts that have `role` set at the global
     * level.
     * @dev Use with `getGlobalRoleMemberCount()` to enumerate.
     *
     * Requirements:
     * `index` MUST be >= 0 and < `getGlobalRoleMemberCount(role)`
     */
    function getGlobalRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the list of accounts that have `role` set at the global
     * level.
     */
    function getGlobalRoleMembers(bytes32 role) external view returns (address[] memory);

    /**
     * @dev Returns the number of accounts that have `role` set globally or for 
     * `resource`.
     * @dev Use with `getRoleMember()` to enumerate.
     */
    function getRoleMemberCount(address resource, bytes32 role) external view returns (uint256);

    /**
     * @dev Returns one of the accounts that have `role` set globally or for 
     * `resource`. 
     * @dev If a role has global and local members, the global members 
     * will be returned first.
     * @dev If a user has the role globally and locally, the same user will be 
     * returned at two different indexes.
     * @dev If you only want locally assigned role members, start the index at
     * `getGlobalRoleMemberCount(role)`.
     * @dev Use with `getRoleMemberCount()` to enumerate.
     *
     * Requirements:
     * `index` MUST be >= 0 and < `getRoleMemberCount(role)`
     */
    function getRoleMember(
        address resource,
        bytes32 role,
        uint256 index
    ) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role` set globally or for 
     * the calling resource.
     * @dev Use with `getMyRoleMember()` to enumerate.
     */
    function getMyRoleMemberCount(bytes32 role) external view returns (uint256);

    /**
     * @dev Returns one of the accounts that have `role` set globally or for 
     * the calling resource.
     * @dev If a role has global and local members, the global members 
     * will be returned first.
     * @dev If a user has the role globally and locally, the same user will be 
     * returned at two different indexes.
     * @dev If you only want locally assigned role members, start the index at
     * `getGlobalRoleMemberCount(role)`.
     * @dev Use with `getMyRoleMemberCount()` to enumerate.
     *
     * Requirements:
     * `index` MUST be >= 0 and < `getMyRoleMemberCount(role)`
     */
    function getMyRoleMember(bytes32 role, uint256 index) external view returns (address);
}

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

pragma solidity ^0.8.17;

import "Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 *
 * @dev This contract is a direct copy of OpenZeppelin's PauseableUpgradeable, 
 * moved here, renamed, and modified to use our Context and Initializable 
 * contracts so we don't have to deal with incompatibilities between OZ's
 * contracts and contracts-upgradeable packages.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

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

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    function __Pausable_init() internal onlyInitializing {
        __Pausable_init_unchained();
    }

    function __Pausable_init_unchained() internal onlyInitializing {
        _paused = false;
    }

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

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

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

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

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

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

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

pragma solidity ^0.8.17;
import "Initializable.sol";

/**
 * @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.
 *
 * @dev This contract is a direct copy of OpenZeppelin's ContextUpgradeable, 
 * moved here, renamed, and modified to use our Initializable interface so we 
 * don't have to deal with incompatibilities between OZ'` contracts and 
 * contracts-upgradeable `
 */
abstract contract Context is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

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

pragma solidity ^0.8.17;

import "AddressUtils.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 *
 * @dev This contract is a direct copy of OpenZeppelin's InitializableUpgradeable,
 * moved here, renamed, and modified to use our AddressUtils library so we
 * don't have to deal with incompatibilities between OZ'` contracts and
 * contracts-upgradeable `
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) ||
                (!AddressUtils.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: setting the version to 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(
            !_initializing && _initialized < version,
            "Initializable: contract is already initialized"
        );
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized != type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Internal function that returns the initialized version. Returns `_initialized`
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

    /**
     * @dev Internal function that returns the initialized version. Returns `_initializing`
     */
    function _isInitializing() internal view returns (bool) {
        return _initializing;
    }
}

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

pragma solidity ^0.8.17;

/**
 * @dev Collection of functions related to the address type
 *
 * @dev This contract is a direct copy of OpenZeppelin's AddressUpgradeable, 
 * moved here and renamed so we don't have to deal with incompatibilities 
 * between OZ'` contracts and contracts-upgradeable `
 */
library AddressUtils {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

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

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

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

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

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

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

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

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

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

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

import "ERC165.sol";

import "Context.sol";
import "AccessConstants.sol";
import "IViciAccess.sol";
import {IAccessServer} from "IAccessServer.sol";

/**
 * @title ViciAccess
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 *
 * @dev This contract implements OpenZeppelin's IAccessControl and
 * IAccessControlEnumerable interfaces as well as the behavior of their
 * Ownable contract.
 * @dev The differences are:
 * - Use of an external AccessServer contract to track roles and ownership.
 * - Support for OFAC sanctions compliance
 * - Support for a negative BANNED role
 * - A contract owner is automatically granted the DEFAULT ADMIN role.
 * - Contract owner cannot renounce ownership, can only transfer it.
 * - DEFAULT ADMIN role cannot be revoked from the Contract owner, nor can they
 *   renouce that role.
 * @dev see `AccessControl`, `AccessControlEnumerable`, and `Ownable` for
 * additional documentation.
 */
abstract contract ViciAccess is Context, IViciAccess, ERC165 {
    IAccessServer public accessServer;

    bytes32 public constant DEFAULT_ADMIN_ROLE = DEFAULT_ADMIN;

    // Role for banned users.
    bytes32 public constant BANNED_ROLE_NAME = BANNED;

    // Role for moderator.
    bytes32 public constant MODERATOR_ROLE_NAME = MODERATOR;

    /* ################################################################
     * Initialization
     * ##############################################################*/

    function __ViciAccess_init(
        IAccessServer _accessServer
    ) internal onlyInitializing {
        __ViciAccess_init_unchained(_accessServer);
    }

    function __ViciAccess_init_unchained(
        IAccessServer _accessServer
    ) internal onlyInitializing {
        accessServer = _accessServer;
        accessServer.register(_msgSender());
    }

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

    /* ################################################################
     * Checking Roles
     * ##############################################################*/

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

    /**
     * @dev reverts if called by an account that is not the owner and doesn't
     *     have the required role.
     */
    modifier onlyOwnerOrRole(bytes32 role) {
        enforceOwnerOrRole(role, _msgSender());
        _;
    }

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

    /**
     * @dev reverts if the caller is banned or on the OFAC sanctions list.
     */
    modifier noBannedAccounts() {
        enforceIsNotBanned(_msgSender());
        _;
    }

    /**
     * @dev reverts if the account is banned or on the OFAC sanctions list.
     */
    modifier notBanned(address account) {
        enforceIsNotBanned(account);
        _;
    }

    /**
     * @dev Revert if the address is on the OFAC sanctions list
     */
    modifier notSanctioned(address account) {
        enforceIsNotSanctioned(account);
        _;
    }

    /**
     * @dev reverts if the account is not the owner and doesn't have the required role.
     */
    function enforceOwnerOrRole(
        bytes32 role,
        address account
    ) public view virtual override {
        if (account != owner()) {
            _checkRole(role, account);
        }
    }

    /**
     * @dev reverts if the account is banned or on the OFAC sanctions list.
     */
    function enforceIsNotBanned(address account) public view virtual override {
        accessServer.enforceIsNotBannedForMe(account);
    }

    /**
     * @dev Revert if the address is on the OFAC sanctions list
     */
    function enforceIsNotSanctioned(
        address account
    ) public view virtual override {
        accessServer.enforceIsNotSanctioned(account);
    }

    /**
     * @dev returns true if the account is banned.
     */
    function isBanned(
        address account
    ) public view virtual override returns (bool) {
        return accessServer.isBannedForMe(account);
    }

    /**
     * @dev returns true if the account is on the OFAC sanctions list.
     */
    function isSanctioned(
        address account
    ) public view virtual override returns (bool) {
        return accessServer.isSanctioned(account);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(
        bytes32 role,
        address account
    ) public view virtual override returns (bool) {
        return accessServer.hasRoleForMe(role, account);
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (role != ANY_ROLE) {
            accessServer.checkRoleForMe(role, account);
        }
    }

    /* ################################################################
     * Owner management
     * ##############################################################*/

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

    /**
     * Make another account the owner of this contract.
     * @param newOwner the new owner.
     *
     * Requirements:
     *
     * - Calling user MUST be owner.
     * - `newOwner` MUST NOT have the banned role.
     */
    function transferOwnership(address newOwner) public virtual {
        address oldOwner = owner();
        accessServer.setMyOwner(_msgSender(), newOwner);
        emit OwnershipTransferred(oldOwner, newOwner);
    }

    /* ################################################################
     * Role Administration
     * ##############################################################*/

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(
        bytes32 role
    ) public view virtual override returns (bytes32) {
        return accessServer.getMyRoleAdmin(role);
    }

    /**
     * @dev Sets the admin role that controls a role.
     *
     * Requirements:
     * - caller MUST be the owner or have the admin role.
     */
    function setRoleAdmin(bytes32 role, bytes32 adminRole) public virtual {
        accessServer.setRoleAdmin(_msgSender(), role, adminRole);
    }

    /* ################################################################
     * Enumerating role members
     * ##############################################################*/

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(
        bytes32 role,
        uint256 index
    ) public view virtual override returns (address) {
        return accessServer.getMyRoleMember(role, index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(
        bytes32 role
    ) public view virtual override returns (uint256) {
        return accessServer.getMyRoleMemberCount(role);
    }

    /* ################################################################
     * Granting / Revoking / Renouncing roles
     * ##############################################################*/

    /**
     *  Requirements:
     *
     * - Calling user MUST have the admin role
     * - If `role` is banned, calling user MUST be the owner
     *   and `address` MUST NOT be the owner.
     * - If `role` is not banned, `account` MUST NOT be under sanctions.
     *
     * @inheritdoc IAccessControl
     */
    function grantRole(bytes32 role, address account) public virtual override {
        if (!hasRole(role, account)) {
            accessServer.grantRole(_msgSender(), role, account);
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * Take the role away from the account. This will throw an exception
     * if you try to take the admin role (0x00) away from the owner.
     *
     * Requirements:
     *
     * - Calling user has admin role.
     * - If `role` is admin, `address` MUST NOT be owner.
     * - if `role` is banned, calling user MUST be owner.
     *
     * @inheritdoc IAccessControl
     */
    function revokeRole(bytes32 role, address account) public virtual override {
        if (hasRole(role, account)) {
            accessServer.revokeRole(_msgSender(), role, account);
            emit RoleRevoked(role, account, _msgSender());
        }
    }

    /**
     * Take a role away from yourself. This will throw an exception if you
     * are the contract owner and you are trying to renounce the admin role (0x00).
     *
     * Requirements:
     *
     * - if `role` is admin, calling user MUST NOT be owner.
     * - `account` is ignored.
     * - `role` MUST NOT be banned.
     *
     * @inheritdoc IAccessControl
     */
    function renounceRole(bytes32 role, address) public virtual override {
        renounceRole(role);
    }

    /**
     * Take a role away from yourself. This will throw an exception if you
     * are the contract owner and you are trying to renounce the admin role (0x00).
     *
     * Requirements:
     *
     * - if `role` is admin, calling user MUST NOT be owner.
     * - `role` MUST NOT be banned.
     */
    function renounceRole(bytes32 role) public virtual {
        accessServer.renounceRole(_msgSender(), role);
        emit RoleRevoked(role, _msgSender(), _msgSender());
        // if (hasRole(role, _msgSender())) {
        // }
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "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);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

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

import "IAccessControlEnumerable.sol";

/**
 * @title ViciAccess Interface
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 *
 * @dev Interface for ViciAccess.
 * @dev External contracts SHOULD refer to implementers via this interface.
 */
interface IViciAccess is IAccessControlEnumerable {
    /**
     * @dev emitted when the owner changes.
     */
    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    /**
     * @dev Revert if the address is on the OFAC sanctions list
     */
    function enforceIsNotSanctioned(address account) external view;

    /**
     * @dev reverts if the account is banned or on the OFAC sanctions list.
     */
    function enforceIsNotBanned(address account) external view;

    /**
     * @dev reverts if the account is not the owner and doesn't have the required role.
     */
    function enforceOwnerOrRole(bytes32 role, address account) external view;

    /**
     * @dev returns true if the account is on the OFAC sanctions list.
     */
    function isSanctioned(address account) external view returns (bool);

    /**
     * @dev returns true if the account is banned.
     */
    function isBanned(address account) external view returns (bool);
    /**
     * @dev Returns the address of the current owner.
     */
    function owner() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "IAccessControl.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerable is IAccessControl {
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/EIP712.sol)

pragma solidity ^0.8.17;

import "ECDSA.sol";
import "Initializable.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
 *
 * The encoding specified in the EIP is very generic, and such a generic 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 their contracts 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].
 *
 * _Available since v3.4._
 *
 * @custom:storage-size 52
 */
abstract contract EIP712 is Initializable {
    /* solhint-disable var-name-mixedcase */
    bytes32 private _HASHED_NAME;
    bytes32 private _HASHED_VERSION;
    bytes32 private constant _TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");

    /* solhint-enable var-name-mixedcase */

    /**
     * @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].
     */
    function __EIP712_init(string memory name, string memory version) internal onlyInitializing {
        __EIP712_init_unchained(name, version);
    }

    function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing {
        bytes32 hashedName = keccak256(bytes(name));
        bytes32 hashedVersion = keccak256(bytes(version));
        _HASHED_NAME = hashedName;
        _HASHED_VERSION = hashedVersion;
    }

    /**
     * @dev Returns the domain separator for the current chain.
     */
    function _domainSeparatorV4() internal view returns (bytes32) {
        return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash());
    }

    function _buildDomainSeparator(
        bytes32 typeHash,
        bytes32 nameHash,
        bytes32 versionHash
    ) private view returns (bytes32) {
        return keccak256(abi.encode(typeHash, nameHash, versionHash, 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 ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);
    }

    /**
     * @dev The hash of the name parameter for the EIP712 domain.
     *
     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
     * are a concern.
     */
    function _EIP712NameHash() internal virtual view returns (bytes32) {
        return _HASHED_NAME;
    }

    /**
     * @dev The hash of the version parameter for the EIP712 domain.
     *
     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
     * are a concern.
     */
    function _EIP712VersionHash() internal virtual view returns (bytes32) {
        return _HASHED_VERSION;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

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

pragma solidity ^0.8.0;

import "Strings.sol";

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

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

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

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

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

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

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

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

        return (signer, RecoverError.NoError);
    }

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

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

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

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

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

pragma solidity ^0.8.0;

import "Math.sol";

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// Copyright (c) 2021 the ethier authors (github.com/divergencetech/ethier)
pragma solidity ^0.8.17;

/**
@notice Provides monotonic increasing and decreasing values, similar to
OpenZeppelin's Counter but (a) limited in direction, and (b) allowing for steps
> 1.
 */
library Monotonic {
    /**
    @notice Holds a value that can only increase.
    @dev The internal value MUST NOT be accessed directly. Instead use current()
    and add().
     */
    struct Increaser {
        uint256 value;
    }

    /// @notice Returns the current value of the Increaser.
    function current(Increaser storage incr) internal view returns (uint256) {
        return incr.value;
    }

    /// @notice Adds x to the Increaser's value.
    function add(Increaser storage incr, uint256 x) internal {
        incr.value += x;
    }

    /**
    @notice Holds a value that can only decrease.
    @dev The internal value MUST NOT be accessed directly. Instead use current()
    and subtract().
     */
    struct Decreaser {
        uint256 value;
    }

    /// @notice Returns the current value of the Decreaser.
    function current(Decreaser storage decr) internal view returns (uint256) {
        return decr.value;
    }

    /// @notice Subtracts x from the Decreaser's value.
    function subtract(Decreaser storage decr, uint256 x) internal {
        decr.value -= x;
    }

    struct Counter{
        uint256 value;
    }

    function current(Counter storage _counter) internal view returns (uint256) {
        return _counter.value;
    }

    function add(Counter storage _augend, uint256 _addend) internal returns (uint256) {
        _augend.value += _addend;
        return _augend.value;
    }

    function subtract(Counter storage _minuend, uint256 _subtrahend) internal returns (uint256) {
        _minuend.value -= _subtrahend;
        return _minuend.value;
    }

    function increment(Counter storage _counter) internal returns (uint256) {
        return add(_counter, 1);
    }

    function decrement(Counter storage _counter) internal returns (uint256) {
        return subtract(_counter, 1);
    }

    function reset(Counter storage _counter) internal {
        _counter.value = 0;
    }
}

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

import "IERC20Metadata.sol";

/**
 * @title IERC677 interface
 * @notice ERC677 extends ERC20 by adding the transfer and call function.
 */
interface IERC677 is IERC20Metadata {

    /**
     * @notice transfers `value` to `to` and calls `onTokenTransfer()`.
     * @param to the ERC677 Receiver
     * @param value the amount to transfer
     * @param data the abi encoded call data
     * 
     * Requirements:
     * - `to` MUST implement ERC677ReceiverInterface.
     * - `value` MUST be sufficient to cover the receiving contract's fee.
     * - `data` MUST be the types expected by the receiving contract.
     * - caller MUST be a contract that implements the callback function 
     *     required by the receiving contract.
     * - this contract must represent a token that is accepted by the receiving
     *     contract.
     */
    function transferAndCall(
        address to,
        uint256 value,
        bytes memory data
    ) external returns (bool success);
}

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

import "IViciAccess.sol";
import "IOwnerOperator.sol";

/**
 * Information needed to mint a single token.
 */
struct ERC20MintData {
    address operator;
    bytes32 requiredRole;
    address toAddress;
    uint256 amount;
}

/**
 * Information needed to transfer a token.
 */
struct ERC20TransferData {
    address operator;
    address fromAddress;
    address toAddress;
    uint256 amount;
}

/**
 * Information needed to burn a token.
 */
struct ERC20BurnData {
    address operator;
    bytes32 requiredRole;
    address fromAddress;
    uint256 amount;
}

/**
 * @title ERC20 Operations Interface
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 *
 * @dev Interface for ERC20 Operations.
 * @dev Main contracts SHOULD refer to the ops contract via the this interface.
 */
interface IERC20Operations is IOwnerOperator {
    /* ################################################################
     * Queries
     * ##############################################################*/

    /**
     * @dev Returns the total maximum possible that can be minted.
     */
    function getMaxSupply() external view returns (uint256);

    /**
     * @dev Returns the amount that has been minted so far.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev returns the amount available to be minted.
     * @dev {total available} = {max supply} - {amount minted so far}
     */
    function availableSupply() external view returns (uint256);

    /**
     * @dev see IERC20
     */
    function balanceOf(address account) external view returns (uint256 balance);

    /* ################################################################
     * Minting / Burning / Transferring
     * ##############################################################*/

    /**
     * @dev Safely mints a new token and transfers it to the specified address.
     * @dev Updates available quantities
     *
     * Requirements:
     *
     * - `mintData.operator` MUST be owner or have the required role.
     * - `mintData.operator` MUST NOT be banned.
     * - `mintData.toAddress` MUST NOT be 0x0.
     * - `mintData.toAddress` MUST NOT be banned.
     * - If `mintData.toAddress` refers to a smart contract, it must implement
     *      {IERC20Receiver-onERC20Received}, which is called upon a safe
     *      transfer.
     */
    function mint(IViciAccess ams, ERC20MintData memory mintData) external;

    /**
     * @dev see IERC20
     */
    function transfer(
        IViciAccess ams,
        ERC20TransferData memory transferData
    ) external;

    /**
     * @dev Burns the identified token.
     * @dev Updates available quantities
     *
     * Requirements:
     *
     * - `burnData.operator` MUST be owner or have the required role.
     * - `burnData.operator` MUST NOT be banned.
     * - `burnData.operator` MUST own the token or be authorized by the
     *     owner to transfer the token.
     */
    function burn(IViciAccess ams, ERC20BurnData memory burnData) external;

    /* ################################################################
     * Approvals / Allowances
     * ##############################################################*/

    /**
     * @dev see IERC20
     */
    function allowance(
        address owner,
        address spender
    ) external view returns (uint256);

    /**
     * @dev See {IERC20Permit-permit}.
     */
    function permit(
        IViciAccess ams,
        address owner,
        address spender,
        uint256 amount
    ) external;

    /**
     * @notice recover assets in banned or sanctioned accounts
     *
     * Requirements
     * - `operator` MUST be the contract owner.
     * - `fromAddress` MUST be banned or OFAC sanctioned
     * - `toAddress` MAY be the zero address, in which case the
     *     assets are burned.
     * - `toAddress` MUST NOT be banned or OFAC sanctioned
     */
    function recoverSanctionedAssets(
        IViciAccess ams,
        address operator,
        address fromAddress,
        address toAddress
    ) external returns (uint256 amount);
}

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

/**
 * @title Owner Operator Interface
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 * 
 * @dev public interface for the Owner Operator contract
 */
interface IOwnerOperator {
    /**
     * @dev revert if the item does not exist
     */
    function enforceItemExists(uint256 thing) external view;

    /* ################################################################
     * Queries
     * ##############################################################*/

    /**
     * @dev Returns whether `thing` exists. Things are created by transferring
     *     from the null address, and things are destroyed by tranferring to
     *     the null address.
     * @dev COINS: returns whether any have been minted and are not all burned.
     *
     * @param thing identifies the thing.
     *
     * Requirements:
     * - COINS: `thing` SHOULD be 1.
     */
    function exists(uint256 thing) external view returns (bool);

    /**
     * @dev Returns the number of distict owners.
     * @dev use with `ownerAtIndex()` to iterate.
     */
    function ownerCount() external view returns (uint256);

    /**
     * @dev Returns the address of the owner at the index.
     * @dev use with `ownerCount()` to iterate.
     *
     * @param index the index into the list of owners
     *
     * Requirements
     * - `index` MUST be less than the number of owners.
     */
    function ownerAtIndex(uint256 index) external view returns (address);

    /**
     * @dev Returns the number of distict items.
     * @dev use with `itemAtIndex()` to iterate.
     * @dev COINS: returns 1 or 0 depending on whether any tokens exist.
     */
    function itemCount() external view returns (uint256);

    /**
     * @dev Returns the ID of the item at the index.
     * @dev use with `itemCount()` to iterate.
     * @dev COINS: don't use this function. The ID is always 1.
     *
     * @param index the index into the list of items
     *
     * Requirements
     * - `index` MUST be less than the number of items.
     */
    function itemAtIndex(uint256 index) external view returns (uint256);

    /**
     * @dev for a given item, returns the number that exist.
     * @dev NFTS: don't use this function. It returns 1 or 0 depending on
     *     whether the item exists. Use `exists()` instead.
     */
    function itemSupply(uint256 thing) external view returns (uint256);

    /**
     * @dev Returns how much of an item is held by an address.
     * @dev NFTS: Returns 0 or 1 depending on whether the address owns the item.
     *
     * @param owner the owner
     * @param thing identifies the item.
     *
     * Requirements:
     * - `owner` MUST NOT be the null address.
     * - `thing` MUST exist.
     */
    function getBalance(address owner, uint256 thing)
        external
        view
        returns (uint256);

    /**
     * @dev Returns the list of distinct items held by an address.
     * @dev COINS: Don't use this function.
     *
     * @param user the user
     *
     * Requirements:
     * - `owner` MUST NOT be the null address.
     */
    function userWallet(address user) external view returns (uint256[] memory);

    /**
     * @dev For a given address, returns the number of distinct items.
     * @dev Returns 0 if the address doesn't own anything here.
     * @dev use with `itemOfOwnerByIndex()` to iterate.
     * @dev COINS: don't use this function. It returns 1 or 0 depending on
     *     whether the address has a balance. Use `balance()` instead.
     *
     * Requirements:
     * - `owner` MUST NOT be the null address.
     * - `thing` MUST exist.
     */
    function ownerItemCount(address owner) external view returns (uint256);

    /**
     * @dev For a given address, returns the id of the item at the index.
     * @dev COINS: don't use this function.
     *
     * @param owner the owner.
     * @param index the index in the list of items.
     *
     * Requirements:
     * - `owner` MUST NOT be the null address.
     * - `index` MUST be less than the number of items.
     */
    function itemOfOwnerByIndex(address owner, uint256 index)
        external
        view
        returns (uint256);

    /**
     * @dev For a given item, returns the number of owners.
     * @dev use with `ownerOfItemAtIndex()` to iterate.
     * @dev COINS: don't use this function. Use `ownerCount()` instead.
     * @dev NFTS: don't use this function. If `thing` exists, the answer is 1.
     *
     * Requirements:
     * - `thing` MUST exist.
     */
    function itemOwnerCount(uint256 thing) external view returns (uint256);

    /**
     * @dev For a given item, returns the owner at the index.
     * @dev use with `itemOwnerCount()` to iterate.
     * @dev COINS: don't use this function. Use `ownerAtIndex()` instead.
     * @dev NFTS: Returns the owner.
     *
     * @param thing identifies the item.
     * @param index the index in the list of owners.
     *
     * Requirements:
     * - `thing` MUST exist.
     * - `index` MUST be less than the number of owners.
     * - NFTS: `index` MUST be 0.
     */
    function ownerOfItemAtIndex(uint256 thing, uint256 index)
        external
        view
        returns (address owner);

    /* ################################################################
     * Minting / Burning / Transferring
     * ##############################################################*/

    /**
     * @dev transfers an amount of thing from one address to another.
     * @dev if `fromAddress` is the null address, `amount` of `thing` is
     *     created.
     * @dev if `toAddress` is the null address, `amount` of `thing` is
     *     destroyed.
     *
     * @param operator the operator
     * @param fromAddress the current owner
     * @param toAddress the current owner
     * @param thing identifies the item.
     * @param amount the amount
     *
     * Requirements:
     * - NFTS: `amount` SHOULD be 1
     * - COINS: `thing` SHOULD be 1
     * - `fromAddress` and `toAddress` MUST NOT both be the null address
     * - `amount` MUST be greater than 0
     * - if `fromAddress` is not the null address
     *   - `amount` MUST NOT be greater than the current owner's balance
     *   - `operator` MUST be approved
     */
    function doTransfer(
        address operator,
        address fromAddress,
        address toAddress,
        uint256 thing,
        uint256 amount
    ) external;

    /* ################################################################
     * Allowances / Approvals
     * ##############################################################*/

    /**
     * @dev Reverts if `operator` is allowed to transfer `amount` of `thing` on
     *     behalf of `fromAddress`.
     * @dev Reverts if `fromAddress` is not an owner of at least `amount` of
     *     `thing`.
     *
     * @param operator the operator
     * @param fromAddress the owner
     * @param thing identifies the item.
     * @param amount the amount
     *
     * Requirements:
     * - NFTS: `amount` SHOULD be 1
     * - COINS: `thing` SHOULD be 1
     */
    function enforceAccess(
        address operator,
        address fromAddress,
        uint256 thing,
        uint256 amount
    ) external view;

    /**
     * @dev Returns whether `operator` is allowed to transfer `amount` of
     *     `thing` on behalf of `fromAddress`.
     *
     * @param operator the operator
     * @param fromAddress the owner
     * @param thing identifies the item.
     * @param amount the amount
     *
     * Requirements:
     * - NFTS: `amount` SHOULD be 1
     * - COINS: `thing` SHOULD be 1
     */
    function isApproved(
        address operator,
        address fromAddress,
        uint256 thing,
        uint256 amount
    ) external view returns (bool);

    /**
     * @dev Returns whether an operator is approved for all items belonging to
     *     an owner.
     *
     * @param fromAddress the owner
     * @param operator the operator
     */
    function isApprovedForAll(address fromAddress, address operator)
        external
        view
        returns (bool);

    /**
     * @dev Toggles whether an operator is approved for all items belonging to
     *     an owner.
     *
     * @param fromAddress the owner
     * @param operator the operator
     * @param approved the new approval status
     *
     * Requirements:
     * - `fromUser` MUST NOT be the null address
     * - `operator` MUST NOT be the null address
     * - `operator` MUST NOT be the `fromUser`
     */
    function setApprovalForAll(
        address fromAddress,
        address operator,
        bool approved
    ) external;

    /**
     * @dev returns the approved allowance for an operator.
     * @dev NFTS: Don't use this function. Use `getApprovedForItem()`
     *
     * @param fromAddress the owner
     * @param operator the operator
     * @param thing identifies the item.
     *
     * Requirements:
     * - COINS: `thing` SHOULD be 1
     */
    function allowance(
        address fromAddress,
        address operator,
        uint256 thing
    ) external view returns (uint256);

    /**
     * @dev sets the approval amount for an operator.
     * @dev NFTS: Don't use this function. Use `approveForItem()`
     *
     * @param fromAddress the owner
     * @param operator the operator
     * @param thing identifies the item.
     * @param amount the allowance amount.
     *
     * Requirements:
     * - COINS: `thing` SHOULD be 1
     * - `fromUser` MUST NOT be the null address
     * - `operator` MUST NOT be the null address
     * - `operator` MUST NOT be the `fromUser`
     */
    function approve(
        address fromAddress,
        address operator,
        uint256 thing,
        uint256 amount
    ) external;

    /**
     * @dev Returns the address of the operator who is approved for an item.
     * @dev Returns the null address if there is no approved operator.
     * @dev COINS: Don't use this function.
     *
     * @param fromAddress the owner
     * @param thing identifies the item.
     *
     * Requirements:
     * - `thing` MUST exist
     */
    function getApprovedForItem(address fromAddress, uint256 thing)
        external
        view
        returns (address);

    /**
     * @dev Approves `operator` to transfer `thing` to another account.
     * @dev COINS: Don't use this function. Use `setApprovalForAll()` or
     *     `approve()`
     *
     * @param fromAddress the owner
     * @param operator the operator
     * @param thing identifies the item.
     *
     * Requirements:
     * - `fromUser` MUST NOT be the null address
     * - `operator` MAY be the null address
     * - `operator` MUST NOT be the `fromUser`
     * - `fromUser` MUST be an owner of `thing`
     */
    function approveForItem(
        address fromAddress,
        address operator,
        uint256 thing
    ) external;
}

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

import "IERC20Operations.sol";
import "Vesting.sol";

bytes32 constant AIRDROP_ROLE_NAME = "airdrop";
bytes32 constant LOST_WALLET = keccak256("lost wallet");
bytes32 constant UNLOCK_LOCKED_TOKENS = keccak256("UNLOCK_LOCKED_TOKENS");

/**
 * @title ERC20 Utility Operations Interface
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 *
 * @dev Interface for ERC20 utiity token operations
 * @dev Main contracts SHOULD refer to the ops contract via the this interface.
 */
interface IERC20UtilityOperations is IERC20Operations {

    /**
     * @notice Transfers tokens from the caller to a recipient and establishes
     * a vesting schedule.
     * If `transferData.toAddress` already has a locked balance, then
     * - if `transferData.amount` is greater than the airdropThreshold AND `release` is later than the current
     *      lockReleaseDate, the lockReleaseDate will be updated.
     * - if `transferData.amount` is less than the airdropThreshold OR `release` is earlier than the current
     *      lockReleaseDate, the lockReleaseDate will be left unchanged.
     * @param transferData describes the token transfer
     * @param release the new lock release date, as a Unix timestamp in seconds
     *
     * Requirements:
     * - caller MUST have the AIRDROPPER role
     * - the transaction MUST meet all requirements for a transfer
     * @dev see IERC20Operations.transfer
     */
    function airdropTimelockedTokens(
        IViciAccess ams,
        ERC20TransferData memory transferData,
        uint256 release
    ) external;

    /**
     * @notice Unlocks some or all of `account`'s locked tokens.
     * @param account the user
     * @param unlockAmount the amount to unlock
     *
     * Requirements:
     * - caller MUST be the owner or have the UNLOCK_LOCKED_TOKENS role
     * - `unlockAmount` MAY be greater than the locked balance, in which case
     *     all of the account's locked tokens are unlocked.
     */
    function unlockLockedTokens(
        IViciAccess ams,
        address operator,
        address account,
        uint256 unlockAmount
    ) external;

    /**
     * @notice Resets the lock period for a batch of addresses
     * @notice This function has no effect on accounts without a locked token balance
     * @param release the new lock release date, as a Unix timestamp in seconds
     * @param addresses the list of addresses to be reset
     *
     * Requirements:
     * - caller MUST be the owner or have the UNLOCK_LOCKED_TOKENS role
     * - `release` MAY be zero or in the past, in which case the users' entire locked balances become unlocked
     * - `addresses` MAY contain accounts without a locked balance, in which case the account is unaffected
     */
    function updateTimelocks(
        IViciAccess ams,
        address operator,
        uint256 release,
        address[] calldata addresses
    ) external;

    /**
     * @notice Returns the amount of locked tokens for `account`.
     * @param account the user address
     */
    function lockedBalanceOf(address account) external view returns (uint256);

    /**
     * @notice Returns the Unix timestamp when a user's locked tokens will be
     * released.
     * @param account the user address
     */
    function lockReleaseDate(address account) external view returns (uint256);

    /**
     * @notice Returns the difference between `account`'s total balance and its
     * locked balance.
     * @param account the user address
     */
    function unlockedBalanceOf(address account) external view returns (uint256);

    /**
     * @notice recovers tokens from lost wallets
     */
    function recoverMisplacedTokens(
        IViciAccess ams,
        address operator,
        address fromAddress,
        address toAddress
    ) external returns (uint256 amount);
}

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

/**
 * @title Vesting library
 * @notice (c) 2023 ViciNFT https://vicinft.com/
 * @author Josh Davis <[email protected]>
 *
 * @dev  This library defines a struct and provides utility functions for 
 * tracking an amount that vests over time.
 * @dev Unvested amounts may be spent to attend events, purchase NFTs, or 
 * participate in other experiences or utilities offered by ViciNFT.
 */

struct VestingSchedule {
    // the initial amount of the airdrop
    uint256 startingAmount;
    // total funds spent purchasing from ViciNFT
    uint256 amountSpent;
    // vesting start time
    uint64 start;
    // length of the vesting period
    uint64 duration;
}

library Vesting {
    /**
     * @dev Returns the portion of the original amount that remains unvested, 
     * less any amount that has been spent through ViciNFT.
     */
    function getLockedAmount(
        VestingSchedule storage schedule,
        uint256 timestamp
    ) internal view returns (uint256) {
        // start == 0 means the thing is uninitialized
        // current time after start+duration means fully vested
        if (
            schedule.start == 0 ||
            timestamp >= schedule.start + schedule.duration
        ) {
            return 0;
        }

        // current time before start means not vested
        if (timestamp <= schedule.start) {
            return schedule.startingAmount - schedule.amountSpent;
        }

        // total amount * percent of vesting period past
        uint256 preSpendingLockAmount = schedule.startingAmount -
            (schedule.startingAmount * (timestamp - schedule.start)) /
            schedule.duration;

        // we've spent all the remaining locked tokens
        if (schedule.amountSpent > preSpendingLockAmount) {
            return 0;
        }

        // remaining locked tokens less tokens spent through ViciNFT
        return preSpendingLockAmount - schedule.amountSpent;
    }
}

{
  "evmVersion": "istanbul",
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "libraries": {
    "ViciERC20UtilityToken.sol": {}
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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payable","name":"toAddress","type":"address"},{"internalType":"contract IERC721","name":"tokenContract","type":"address"}],"name":"withdrawERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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