// File: contracts/0xerc1155/access/Ownable.sol



// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import '../utils/Context.sol';

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

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

  /**
   * @dev Initializes the contract setting the deployer as the initial owner.
   */
  constructor() {
    address msgSender = _msgSender();
    _owner = msgSender;
    emit OwnershipTransferred(address(0), msgSender);
  }

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

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(owner() == _msgSender(), 'Ownable: Access denied');
    _;
  }

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

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

// File: contracts/0xerc1155/utils/Context.sol



// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

/*
 * @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 GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
  function _msgSender() internal view virtual returns (address payable) {
    return msg.sender;
  }

  function _msgData() internal view virtual returns (bytes memory) {
    this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
    return msg.data;
  }
}

// File: contracts/src/utils/AddressRegistry.sol



/*
 * Copyright (C) 2021 The Wolfpack
 * This file is part of wolves.finance - https://github.com/wolvesofwallstreet/wolves.finance
 *
 * SPDX-License-Identifier: Apache-2.0
 * See the file LICENSES/README.md for more information.
 */

import '../../0xerc1155/access/Ownable.sol';

import './interfaces/IAddressRegistry.sol';

pragma solidity >=0.7.0 <0.8.0;

contract AddressRegistry is IAddressRegistry, Ownable {
  mapping(bytes32 => address) public registry;

  constructor(address _owner) {
    transferOwnership(_owner);
  }

  function setRegistryEntry(bytes32 _key, address _location)
    external
    override
    onlyOwner
  {
    registry[_key] = _location;
  }

  function getRegistryEntry(bytes32 _key)
    external
    view
    override
    returns (address)
  {
    require(registry[_key] != address(0), 'no address for key');
    return registry[_key];
  }
}

// File: contracts/src/utils/interfaces/IAddressRegistry.sol



/*
 * Copyright (C) 2021 The Wolfpack
 * This file is part of wolves.finance - https://github.com/wolvesofwallstreet/wolves.finance
 *
 * SPDX-License-Identifier: Apache-2.0
 * See the file LICENSES/README.md for more information.
 */

pragma solidity >=0.7.0 <0.8.0;

interface IAddressRegistry {
  /**
   * @dev Set an abitrary key / address pair into the registry
   */
  function setRegistryEntry(bytes32 _key, address _location) external;

  /**
   * @dev Get a registry enty with by key, returns 0 address if not existing
   */
  function getRegistryEntry(bytes32 _key) external view returns (address);
}