Contract 0x7e31b336f9e8ba52ba3c4ac861b033ba90900bb3 7

// 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 () internal {
        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: caller is not the owner");
        _;
    }

    /**
     * @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: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with 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;
    }
}

// SPDX-License-Identifier: ISC

pragma solidity 0.7.5;

import "@openzeppelin/contracts/access/Ownable.sol";
import "./IAugustusRegistry.sol";

contract AugustusRegistry is IAugustusRegistry, Ownable {
    mapping(bytes32 => address) private versionVsAugustus;

    mapping(address => bool) private augustusVsValid;

    //mapping of banned Augustus
    mapping(address => bool) private banned;

    string private latestVersion;

    uint256 private count;

    event AugustusAdded(string version, address indexed augustus, bool isLatest);
    event AugustusBanned(address indexed augustus);

    function addAugustus(
        string calldata version,
        address augustus,
        bool isLatest
    ) external override onlyOwner {
        bytes32 keccakedVersion = keccak256(abi.encodePacked(version));
        require(augustus != address(0), "Invalid augustus address");
        require(versionVsAugustus[keccakedVersion] == address(0), "Version already exists");
        require(!augustusVsValid[augustus], "Augustus already exists");

        versionVsAugustus[keccakedVersion] = augustus;
        augustusVsValid[augustus] = true;
        count = count + 1;

        if (isLatest) {
            latestVersion = version;
        }

        emit AugustusAdded(version, augustus, isLatest);
    }

    function banAugustus(address augustus) external override onlyOwner {
        banned[augustus] = true;
        emit AugustusBanned(augustus);
    }

    function isValidAugustus(address augustus) external view override returns (bool) {
        if (augustusVsValid[augustus] && !banned[augustus]) {
            return true;
        } else {
            return false;
        }
    }

    function getAugustusCount() external view override returns (uint256) {
        return count;
    }

    function getLatestVersion() external view override returns (string memory) {
        return latestVersion;
    }

    function getLatestAugustus() external view override returns (address) {
        return versionVsAugustus[keccak256(abi.encodePacked(latestVersion))];
    }

    function getAugustusByVersion(string calldata version) external view override returns (address) {
        return versionVsAugustus[keccak256(abi.encodePacked(version))];
    }
}

// SPDX-License-Identifier: ISC

pragma solidity 0.7.5;

interface IAugustusRegistry {
    function addAugustus(
        string calldata version,
        address augustus,
        bool isLatest
    ) external;

    function banAugustus(address augustus) external;

    function isValidAugustus(address augustus) external view returns (bool);

    function getAugustusCount() external view returns (uint256);

    function getLatestVersion() external view returns (string memory);

    function getLatestAugustus() external view returns (address);

    function getAugustusByVersion(string calldata version) external view returns (address);
}

{
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"version","type":"string"},{"indexed":true,"internalType":"address","name":"augustus","type":"address"},{"indexed":false,"internalType":"bool","name":"isLatest","type":"bool"}],"name":"AugustusAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"augustus","type":"address"}],"name":"AugustusBanned","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"string","name":"version","type":"string"},{"internalType":"address","name":"augustus","type":"address"},{"internalType":"bool","name":"isLatest","type":"bool"}],"name":"addAugustus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"augustus","type":"address"}],"name":"banAugustus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"version","type":"string"}],"name":"getAugustusByVersion","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAugustusCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLatestAugustus","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLatestVersion","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"augustus","type":"address"}],"name":"isValidAugustus","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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