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/**
 *Submitted for verification at Etherscan.io on 2020-10-01
*/

// File: contracts/zeppelin/MerkleProof.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.5.11;

/**
 * @dev These functions deal with verification of Merkle trees (hash trees),
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        bytes32 computedHash = leaf;

        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];

            if (computedHash <= proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
            }
        }

        // Check if the computed hash (root) is equal to the provided root
        return computedHash == root;
    }
}

// File: contracts/IManager.sol

pragma solidity ^0.5.11;


contract IManager {
    event SetController(address controller);
    event ParameterUpdate(string param);

    function setController(address _controller) external;
}

// File: contracts/zeppelin/Ownable.sol

pragma solidity ^0.5.11;


/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
    address public owner;


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


    /**
    * @dev The Ownable constructor sets the original `owner` of the contract to the sender
    * account.
    */
    constructor() public {
        owner = msg.sender;
    }

  /**
   * @dev Throws if called by any account other than the owner.
   */
    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }


    /**
    * @dev Allows the current owner to transfer control of the contract to a newOwner.
    * @param newOwner The address to transfer ownership to.
    */
    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0));
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }
}

// File: contracts/zeppelin/Pausable.sol

pragma solidity ^0.5.11;



/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism.
 */
contract Pausable is Ownable {
    event Pause();
    event Unpause();

    bool public paused = false;


    /**
    * @dev Modifier to make a function callable only when the contract is not paused.
    */
    modifier whenNotPaused() {
        require(!paused);
        _;
    }

    /**
    * @dev Modifier to make a function callable only when the contract is paused.
    */
    modifier whenPaused() {
        require(paused);
        _;
    }

    /**
    * @dev called by the owner to pause, triggers stopped state
    */
    function pause() public onlyOwner whenNotPaused {
        paused = true;
        emit Pause();
    }

    /**
    * @dev called by the owner to unpause, returns to normal state
    */
    function unpause() public onlyOwner whenPaused {
        paused = false;
        emit Unpause();
    }
}

// File: contracts/IController.sol

pragma solidity ^0.5.11;



contract IController is Pausable {
    event SetContractInfo(bytes32 id, address contractAddress, bytes20 gitCommitHash);

    function setContractInfo(bytes32 _id, address _contractAddress, bytes20 _gitCommitHash) external;
    function updateController(bytes32 _id, address _controller) external;
    function getContract(bytes32 _id) public view returns (address);
}

// File: contracts/Manager.sol

pragma solidity ^0.5.11;




contract Manager is IManager {
    // Controller that contract is registered with
    IController public controller;

    // Check if sender is controller
    modifier onlyController() {
        require(msg.sender == address(controller), "caller must be Controller");
        _;
    }

    // Check if sender is controller owner
    modifier onlyControllerOwner() {
        require(msg.sender == controller.owner(), "caller must be Controller owner");
        _;
    }

    // Check if controller is not paused
    modifier whenSystemNotPaused() {
        require(!controller.paused(), "system is paused");
        _;
    }

    // Check if controller is paused
    modifier whenSystemPaused() {
        require(controller.paused(), "system is not paused");
        _;
    }

    constructor(address _controller) public {
        controller = IController(_controller);
    }

    /**
     * @notice Set controller. Only callable by current controller
     * @param _controller Controller contract address
     */
    function setController(address _controller) external onlyController {
        controller = IController(_controller);

        emit SetController(_controller);
    }
}

// File: contracts/snapshots/MerkleSnapshot.sol

pragma solidity ^0.5.11;




contract MerkleSnapshot is Manager {
    mapping (bytes32 => bytes32) public snapshot;

    constructor(address _controller) public Manager(_controller) {}

    function setSnapshot(bytes32 _id, bytes32 _root) external onlyControllerOwner {
        snapshot[_id] = _root;
    }

    function verify(bytes32 _id, bytes32[] calldata _proof, bytes32 _leaf) external view returns (bool) {
        return MerkleProof.verify(_proof, snapshot[_id], _leaf);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

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000000000000000000000000f96d54e490317c557a967abfa5d6e33006be69b3

-----Decoded View---------------
Arg [0] : _controller (address): 0xF96D54E490317c557A967ABfA5d6e33006BE69b3

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000f96d54e490317c557a967abfa5d6e33006be69b3

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bzzr://23645c12fe16cb9cd5b455ff3431beef6d545f99c80527001e532557c7e885a1