ankitbrahmbhatt1997

    // Defining a Struct for a Spending Request
    struct  Request  {
        string description;
        uint value;
        address recipient;
        bool completed;
        uint numberOfVoters;
        mapping(address=>bool) voters;
    }
   

ankitbrahmbhatt1997

 constructor(uint _deadline,uint _goal,uint _minimumContribution) public{
        minimumContribution = _minimumContribution;
        deadline=block.number + _deadline;
        goal=_goal;
        admin = msg.sender;
    }
    

ankitbrahmbhatt1997

   function contribute() public payable {
        
        //CONDITIONS FOR EXECUTING THE REST OF THE FUNCTION
        
        require(msg.value > minimumContribution);
        require(block.number < deadline);
        
        // CHECKING WHETHER THIS IS THE FIRST TIME THAT APERSON IS CONTRIBUTING TO THIS CAMPAIGN
        
        if(contributions[msg.sender] == 0)

ankitbrahmbhatt1997

  function getRefund() public {
        // REQUIRED CONDITIONS FOR GETTING A REFUND
        
        require(block.number > deadline);
        require(raisedAmount < goal);
        require(contributions[msg.sender] > 0);
        
        
        msg.sender.transfer(contributions[msg.sender]);
        contributions[msg.sender] = 0;

ankitbrahmbhatt1997

    function createSpendingRequest(string _description, address _recipient, uint _value) public onlyAdmin goalReached{
        
        
        // INSTANTIATING A Request STRUCT IN THE MEMORY
        Request memory newRequest = Request(
            {
                description:_description,
                value:_value,
                recipient:_recipient,
                numberOfVoters:0,

ankitbrahmbhatt1997

  
    modifier onlyAdmin {
        require(msg.sender == admin);
        _;
    }
    modifier goalReached {
        require(raisedAmount >= goal);
        _;
    }

ankitbrahmbhatt1997

function voteForRequest(uint index) public goalReached {

        // Directly referencing the  specific spending request inside the requests dynamic array
        
        Request storage thisRequest = requests[index];
        
        // Checking for the conditions
        
        require(contributions[msg.sender] > 0);
        require(thisRequest.voters[msg.sender] == false);

ankitbrahmbhatt1997

  function makePayment(uint index) public onlyAdmin goalReached{
  
        // Directly referencing the  specific spending request inside the requests dynamic array
        
        Request storage thisRequest = requests[index];
        
        // Checking the necessary conditions
        
        require(thisRequest.completed == false);
        require(thisRequest.numberOfVoters > totalContributors / 2);//more than 50% voted

ankitbrahmbhatt1997

if (typeof window !== "undefined" && typeof window.web3 !== "undefined") {
  // In the browser and metamask is running
  web3 = new Web3(window.web3.currentProvider);
} else {
  // We are on the server *OR* the user is not running metamask
  const provider = new Web3.providers.HttpProvider(
    "https://rinkeby.infura.io/v3/bb20540179824ccb94cf748904d43090"
  );
  web3 = new Web3(provider);
}