Voting hazi update

Voting hazi.sol

@@ -1,25 +1,36 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 pragma solidity ^0.8.11;
 
-/* nem sikerült: megcsinálni, hogy hogyan kell a bool type-ot megváltoztatni, amikor már szavazott az addres;
-			beállítani, hogy melyek address-ek szavazhatnak */
 
 contract VoteforBest {
     uint public NFT;
     uint public ERC20;
     uint public DAO;
-    bool public voted;
+    mapping(address => bool) private Voters;
    
-    address public owner;
+
 
     struct Voter{
-        bool voted;
+        bool voteSpent;
-        address addr;
+        uint weight;
     }
 
-    mapping(address=> Voter ) public voters;
+    struct Proposal{
+        uint votenumber;
+    }
+
+    address public chairman;
+
+    mapping(address => Voter ) public voters;
+
+
 
     function Vote (string memory _choice) public {
+    chairman = msg.sender;
+    Voter storage sender = voters[msg.sender];
+    require(!sender.voteSpent, 'Please do not vote more than once');
+    voters[chairman].weight = 1;
+    sender.voteSpent = true;
     if (keccak256(abi.encodePacked(_choice)) == keccak256(abi.encodePacked("NFT"))) {
         NFT++;}
     else if (keccak256(abi.encodePacked(_choice)) == keccak256(abi.encodePacked("DAO"))) {
@@ -29,5 +40,20 @@ contract VoteforBest {
         ERC20++;
     }}
 
+    function showstatus () public view returns (uint NFT_, uint ERC20_, uint DAO_){
+        return (NFT, ERC20, DAO);
+    }
+
+    function Winner () public view returns (string memory){
+        if (NFT>ERC20 && NFT>DAO) {
+            return "NFT";}
+        else if (ERC20 > NFT && ERC20 > DAO) {
+            return "ERC20";}
+        else if (DAO > NFT && DAO > ERC20) {
+            return "DAO";}
+
+        return "No winner";       
+    }
+
     
 }