Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.8.26+commit.8a97fa7a.js&optimize=false&runs=200&gist=

voting.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Voting {
    enum VoteOption { Yes, No, None }

    struct Voter {
        bool hasVoted;
        VoteOption vote;
        uint256 votedAtBlock;
    }

    uint256 public requiredVotingPower;
    uint256 public snapshotBlock;
    uint256 public yesVotes;
    uint256 public noVotes;

    mapping(address => Voter) public voters;

    event Voted(address indexed voter, VoteOption vote, uint256 blockNumber);

    constructor(uint256 _requiredVotingPower, uint256 _snapshotBlock) {
        requiredVotingPower = _requiredVotingPower;
        snapshotBlock = _snapshotBlock;
    }

    // Vote function
    function vote(VoteOption _vote) external {
        require(block.number >= snapshotBlock, "Voting has not started yet.");
        require(!voters[msg.sender].hasVoted, "You have already voted.");
        require(_vote == VoteOption.Yes || _vote == VoteOption.No, "Invalid vote option.");
        require(address(msg.sender).balance >= requiredVotingPower, "Insufficient balance to vote.");

        uint256 votingPower = address(msg.sender).balance;

        voters[msg.sender] = Voter({
            hasVoted: true,
            vote: _vote,
            votedAtBlock: block.number
        });

        if (_vote == VoteOption.Yes) {
            yesVotes += votingPower;
        } else if (_vote == VoteOption.No) {
            noVotes += votingPower;
        }

        emit Voted(msg.sender, _vote, block.number);
    }

    // Check if a voter has voted at a specific block
    function checkVotedAtBlock(address _voter, uint256 _blockNumber) external view returns (bool) {
        Voter memory voter = voters[_voter];
        return voter.hasVoted && voter.votedAtBlock == _blockNumber;
    }

    // Get the vote of a particular address
    function getVote(address _voter) external view returns (VoteOption) {
        require(voters[_voter].hasVoted, "This address has not voted yet.");
        return voters[_voter].vote;
    }
}