Voting hazi

Voting hazi.sol

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+// SPDX-License-Identifier: GPL-3.0-or-later
+pragma solidity ^0.8.11;
+
+// nem sikerült: sdf
+
+contract VoteforBest {
+    uint public NFT;
+    uint public ERC20;
+    uint public DAO;
+    bool public voted;
+   
+    address public owner;
+
+    struct Voter{
+        bool voted;
+        address addr;
+    }
+
+    mapping(address=> Voter ) public voters;
+
+    function Vote (string memory _choice) public {
+    if (keccak256(abi.encodePacked(_choice)) == keccak256(abi.encodePacked("NFT"))) {
+        NFT++;}
+    else if (keccak256(abi.encodePacked(_choice)) == keccak256(abi.encodePacked("DAO"))) {
+        DAO++;}
+    else {
+        require(keccak256(abi.encodePacked(_choice)) == keccak256(abi.encodePacked("ERC20")), 'Please use valid vote option');
+        ERC20++;
+    }}
+
+    
+}