Contract 0x7cfa4155b934ad0e05f9df002cdcca39a929305d 1

/**
 *Submitted for verification at FtmScan.com on 2022-01-19
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.2;

/*
 * @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.
 */
contract Context {
    // Empty internal constructor, to prevent people from mistakenly deploying
    // an instance of this contract, which should be used via inheritance.
    constructor () internal { }
    // solhint-disable-previous-line no-empty-blocks

    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }

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



/**
 * @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.
 *
 * 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.
 */
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 returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(isOwner(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return _msgSender() == _owner;
    }


    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     */
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}




/**
 * @title TrueOriginal 
 * @notice Contract is not payable.
 * Owner can add documents.
 * This contact belongs to 
 *
 * 
 * 
 */
contract TrueOriginal is Ownable {
    
    //Doc struct
    struct Cert {
        uint256 certId; 
        bytes32  certHash;
        uint64  certExpires; 
        uint64  issuedOn;
    }
    
    //Array containing all crt
    mapping (uint256 => Cert) certs;
   
    //Holds the mapping for crt ids
    mapping (uint256 => bool) certIds;
 
    //Emit Event for new certs
    event NewCert(uint256 certId);
    event CertExists(uint256 certId);
    
    //is not payable.
    constructor() public {}
    
    /**
     * @dev Add new Crt
     */
    function addCert(uint256 _certId, bytes32  _certHash, uint64 _certExpires, uint64 _issuedOn)  onlyOwner  public{ 
        if(!certIds[_certId]){
            certIds[_certId] = true;
            certs[_certId] = Cert(_certId,_certHash,_certExpires,_issuedOn);
            emit NewCert(_certId);
        }else{
            emit CertExists(_certId);
        }
    }
    
    /**
     * @dev Send Array of Crt
     */   
    function addManyCerts(uint256[] memory _certId, bytes32[] memory _certHash, uint64[] memory _certExpires, uint64[] memory _issuedOn)  onlyOwner  public{ 
        for (uint256 i = 0; i < _certId.length; i++) {
          addCert(_certId[i],_certHash[i],_certExpires[i],_issuedOn[i]);
        } 
    }
    
    function getCert(uint256 _certId) public view returns (bytes32,uint64,uint64) {
        require(certIds[_certId], "CertIds: _certId is not found");
        return (certs[_certId].certHash,certs[_certId].certExpires,certs[_certId].issuedOn);
    }
    
    function getCertHash(uint256 _certId) public view returns (bytes32) {
        require(certIds[_certId], "CertIds: _certId is not found");
        return certs[_certId].certHash;
    }
    
    function getCertCertExpires(uint256 _certId) public view returns (uint64) {
        require(certIds[_certId], "CertIds: _certId is not found");
        return certs[_certId].certExpires;
    }
    
    function getCertIssuedOn(uint256 _certId) public view returns (uint64) {
        require(certIds[_certId], "CertIds: _certId is not found");
        return certs[_certId].issuedOn;
    }    
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"certId","type":"uint256"}],"name":"CertExists","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"certId","type":"uint256"}],"name":"NewCert","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":"uint256","name":"_certId","type":"uint256"},{"internalType":"bytes32","name":"_certHash","type":"bytes32"},{"internalType":"uint64","name":"_certExpires","type":"uint64"},{"internalType":"uint64","name":"_issuedOn","type":"uint64"}],"name":"addCert","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_certId","type":"uint256[]"},{"internalType":"bytes32[]","name":"_certHash","type":"bytes32[]"},{"internalType":"uint64[]","name":"_certExpires","type":"uint64[]"},{"internalType":"uint64[]","name":"_issuedOn","type":"uint64[]"}],"name":"addManyCerts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_certId","type":"uint256"}],"name":"getCert","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"uint64","name":"","type":"uint64"},{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_certId","type":"uint256"}],"name":"getCertCertExpires","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_certId","type":"uint256"}],"name":"getCertHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_certId","type":"uint256"}],"name":"getCertIssuedOn","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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ipfs://0e7d4ba79c73f4779a11784e624d56133d91f741e44ae53dff9d0dda2a3b794d