pragma solidity >=0.4.22 <0.7.0;


contract Spinosa {
    struct MP {
        string id;
        string data;
    }

    struct PF {
        string id;
        string data;
    }

    address private owner;
    mapping(string => bool) private exist_MP;
    mapping(string => MP) private list_MP;
    mapping(string => bool) private exist_PF;
    mapping(string => PF) private list_PF;

    // event for EVM logging
    event MPSet(string, string);
    event PFSet(string, string);

    // modifier to check if caller is owner
    modifier isOwner() {
        require(msg.sender == owner, "Caller is not owner");
        _;
    }

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

    function setMP(string calldata _id, string calldata _data)
        external
        isOwner
    {
        require(bytes(_id).length > 0, "ID is empty");
        require(exist_MP[_id] == false, "MP already exist");
        require(bytes(_data).length > 0, "DATA is empty");

        MP memory tmp;
        tmp.id = _id;
        tmp.data = _data;

        list_MP[_id] = tmp;
        exist_MP[_id] = true;

        emit MPSet("New MP was added with ID: ", _id);
    }

    function setPF(string calldata _id, string calldata _data)
        external
        isOwner
    {
        require(bytes(_id).length > 0, "ID is empty");
        require(exist_PF[_id] == false, "PF already exist");
        require(bytes(_data).length > 0, "DATA is empty");

        PF memory tmp;
        tmp.id = _id;
        tmp.data = _data;

        list_PF[_id] = tmp;
        exist_PF[_id] = true;

        emit MPSet("New PF was added with ID: ", _id);
    }

    function getMP(string memory _id) public view returns (string memory) {
        require(bytes(_id).length > 0, "ID is empty");
        require(exist_MP[_id] == true, "MP does not exist");

        return list_MP[_id].data;
    }

    function getPF(string memory _id) public view returns (string memory) {
        require(bytes(_id).length > 0, "ID is empty");
        require(exist_PF[_id] == true, "PF does not exist");

        return list_PF[_id].data;
    }
}

{
  "compilationTarget": {
    "browser/Spinosa.sol": "Spinosa"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}