pragma solidity ^0.6.0;

import "./Owned.sol";
import "./interfaces/AccessControllerInterface.sol";

/**
 * @title SimpleWriteAccessController
 * @notice Gives access to accounts explicitly added to an access list by the
 * controller's owner.
 * @dev does not make any special permissions for externally, see
 * SimpleReadAccessController for that.
 */
contract SimpleWriteAccessController is AccessControllerInterface, Owned {

  bool public checkEnabled;
  mapping(address => bool) internal accessList;

  event AddedAccess(address user);
  event RemovedAccess(address user);
  event CheckAccessEnabled();
  event CheckAccessDisabled();

  constructor()
    public
  {
    checkEnabled = true;
  }

  /**
   * @notice Returns the access of an address
   * @param _user The address to query
   */
  function hasAccess(
    address _user,
    bytes memory
  )
    public
    view
    virtual
    override
    returns (bool)
  {
    return accessList[_user] || !checkEnabled;
  }

  /**
   * @notice Adds an address to the access list
   * @param _user The address to add
   */
  function addAccess(address _user)
    external
    onlyOwner()
  {
    if (!accessList[_user]) {
      accessList[_user] = true;

      emit AddedAccess(_user);
    }
  }

  /**
   * @notice Removes an address from the access list
   * @param _user The address to remove
   */
  function removeAccess(address _user)
    external
    onlyOwner()
  {
    if (accessList[_user]) {
      accessList[_user] = false;

      emit RemovedAccess(_user);
    }
  }

  /**
   * @notice makes the access check enforced
   */
  function enableAccessCheck()
    external
    onlyOwner()
  {
    if (!checkEnabled) {
      checkEnabled = true;

      emit CheckAccessEnabled();
    }
  }

  /**
   * @notice makes the access check unenforced
   */
  function disableAccessCheck()
    external
    onlyOwner()
  {
    if (checkEnabled) {
      checkEnabled = false;

      emit CheckAccessDisabled();
    }
  }

  /**
   * @dev reverts if the caller does not have access
   */
  modifier checkAccess() {
    require(hasAccess(msg.sender, msg.data), "No access");
    _;
  }
}

pragma solidity ^0.6.0;

/**
 * @title The Owned contract
 * @notice A contract with helpers for basic contract ownership.
 */
contract Owned {

  address payable public owner;
  address private pendingOwner;

  event OwnershipTransferRequested(
    address indexed from,
    address indexed to
  );
  event OwnershipTransferred(
    address indexed from,
    address indexed to
  );

  constructor() public {
    owner = msg.sender;
  }

  /**
   * @dev Allows an owner to begin transferring ownership to a new address,
   * pending.
   */
  function transferOwnership(address _to)
    external
    onlyOwner()
  {
    pendingOwner = _to;

    emit OwnershipTransferRequested(owner, _to);
  }

  /**
   * @dev Allows an ownership transfer to be completed by the recipient.
   */
  function acceptOwnership()
    external
  {
    require(msg.sender == pendingOwner, "Must be proposed owner");

    address oldOwner = owner;
    owner = msg.sender;
    pendingOwner = address(0);

    emit OwnershipTransferred(oldOwner, msg.sender);
  }

  /**
   * @dev Reverts if called by anyone other than the contract owner.
   */
  modifier onlyOwner() {
    require(msg.sender == owner, "Only callable by owner");
    _;
  }

}

pragma solidity ^0.6.0;

interface AccessControllerInterface {
  function hasAccess(address user, bytes calldata data) external view returns (bool);
}

{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "evmVersion": "istanbul",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"user","type":"address"}],"name":"AddedAccess","type":"event"},{"anonymous":false,"inputs":[],"name":"CheckAccessDisabled","type":"event"},{"anonymous":false,"inputs":[],"name":"CheckAccessEnabled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"OwnershipTransferRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"user","type":"address"}],"name":"RemovedAccess","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"addAccess","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"checkEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"disableAccessCheck","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enableAccessCheck","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"hasAccess","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"removeAccess","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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