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contracts...campain.sol

//SPDX-License-Identifier: MIT

pragma solidity ^0.4.17;


contract Campaign{
    //class day 2
    struct Request{
        string description;
        uint value;
        address recipient;
        bool complete;
    }
    //day 2
    Request[] public requests;

    address public manager;
    uint public minimumcontribute;
    //used to explain gas and why it is not functional 
    //address[] public approval;

    mapping (address => bool) public approval;


//modifier created to restrict day 2
    modifier restricted(){
        require(msg.sender == manager);
        _;
    }


//constructor created to retrict the caller of the contract to the manager only and set
//min value 
    constructor(uint min) public {
        manager = msg.sender;
        minimumcontribute = min; 
    }
//contribute value must be greater than the amount called by the manager 
    function contribute() public payable{
        require(msg.value > minimumcontribute);
        //who evers contribute address is saved in the approval file//keep for leaning 2
        //approval.push(msg.sender);
        approval[msg.sender] = true;
       

    }
//create request into the struct and restrict it to manager3
//explain memory 
    function createRequest(string description, uint value, address recipient) public restricted {
        Request memory NewManagerRequest = Request({
            description: description, 
            value: value, 
            recipient: recipient, 
            complete: false

        });

        requests.push(NewManagerRequest);


    }
}