Contract Source Code:

// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function circulatingSupply() external view returns (uint256);
    function decimals() external view returns (uint8);
    function symbol() external view returns (string memory);
    function name() external view returns (string memory);
    function getOwner() external view returns (address);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address _owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

abstract contract Ownable {
    address internal owner;

    constructor(address _owner) {
        owner = _owner;
    }

    modifier onlyOwner() {
        require(isOwner(msg.sender), "!OWNER");
        _;
    }

    function isOwner(address account) public view returns (bool) {
        return account == owner;
    }

    function transferOwnership(address payable adr) public onlyOwner {
        owner = adr;
        emit OwnershipTransferred(adr);
    }

    event OwnershipTransferred(address owner);
}

interface IFactory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
    function getPair(address tokenA, address tokenB) external view returns (address pair);
}

interface IRouter {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountA, uint256 amountB);

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

contract SonicWave is IERC20, Ownable {
    using SafeMath for uint256;

    string private constant _name = "Sonic Wave";
    string private constant _symbol = "WAVE";
    uint8 private constant _decimals = 9;
    uint256 private _totalSupply = 100000000 * (10 ** _decimals);
    uint256 private _maxTxAmount = _totalSupply / 50; // to be changed, 100 = 1%
    uint256 private _maxSellAmount = _totalSupply / 50; // to be changed, 100 = 1%
    uint256 private _maxWalletToken = _totalSupply / 50; // to be changed, 100 = 1%
    mapping(address => uint256) _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) public isFeeExempt;
    mapping(address => bool) public isDividendExempt;
    mapping(address => bool) public isContractDividendAllowed;

    IRouter router;
    address public pair;
    bool private tradingAllowed = false;
    uint256 private liquidityFee = 0;
    uint256 private marketingFee = 0;
    uint256 private rewardsFee = 500; // 5%
    uint256 private developmentFee = 0;
    uint256 private burnFee = 0;
    uint256 private totalFee = 500;
    uint256 private sellFee = 500;
    uint256 private transferFee = 0;
    uint256 private denominator = 10000;
    bool private swapEnabled = true;
    uint256 private swapTimes;
    bool private swapping;
    uint256 public excessDividends;
    uint256 private launchTime;
    uint256 private swapThreshold = (_totalSupply * 345) / 100000; // swaps every 0.345 % of supply accrued or 3.45M tokens
    uint256 private _minTokenAmount = (_totalSupply * 10) / 100000; // only swap back when tx is larger than 0.01% of supply or 1M tokens

    modifier lockTheSwap() {
        swapping = true;
        _;
        swapping = false;
    }

    bool public autoRewards = true;
    uint256 public totalShares;
    uint256 public totalDividends;
    uint256 public currentDividends;
    uint256 public totalDistributed;
    uint256 internal dividendsPerShare;
    uint256 internal dividendsPerShareAccuracyFactor = 10 ** 36;
    address[] shareholders;
    mapping(address => uint256) shareholderIndexes;
    mapping(address => uint256) shareholderClaims;

    struct Share {
        uint256 amount;
        uint256 totalExcluded;
        uint256 totalRealised;
    }

    mapping(address => Share) public shares;
    uint256 internal currentIndex;
    uint256 public minPeriod = 5 minutes;
    uint256 public minDistribution = 1 * (10 ** 9);
    uint256 public distributorGas = 400000;

    address internal constant DEAD = 0x000000000000000000000000000000000000dEaD;
    address internal constant development_receiver = 0xa046ca23De9BbaAA323fEcDe393939744E5AbA9a;
    address internal constant marketing_receiver = 0x87367dB3645745F10265808ADba5B7b778724e73;
    address internal constant liquidity_receiver = 0x87367dB3645745F10265808ADba5B7b778724e73;

    constructor() Ownable(msg.sender) {
        IRouter _router = IRouter(0x95a7e403d7cF20F675fF9273D66e94d35ba49fA3);
        address _pair = IFactory(_router.factory()).createPair(address(this), _router.WETH());
        router = _router;
        pair = _pair;
        isFeeExempt[address(this)] = true;
        isFeeExempt[liquidity_receiver] = true;
        isFeeExempt[marketing_receiver] = true;
        isFeeExempt[development_receiver] = true;
        isFeeExempt[msg.sender] = true;
        isDividendExempt[address(pair)] = true;
        isDividendExempt[address(msg.sender)] = true;
        isDividendExempt[address(this)] = true;
        isDividendExempt[address(DEAD)] = true;
        isDividendExempt[address(0)] = true;
        _balances[msg.sender] = _totalSupply;
        emit Transfer(address(0), msg.sender, _totalSupply);
    }

    receive() external payable { }

    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function getOwner() external view override returns (address) {
        return owner;
    }

    function totalSupply() public view override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(msg.sender, recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function isContract(address addr) internal view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(addr)
        }
        return size > 0;
    }

    function setisExempt(address _address, bool _enabled) external onlyOwner {
        isFeeExempt[_address] = _enabled;
    }

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(msg.sender, spender, amount);
        return true;
    }

    function circulatingSupply() public view override returns (uint256) {
        return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));
    }

    function preTxCheck(address sender, address recipient, uint256 amount) internal view {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(amount > uint256(0), "Transfer amount must be greater than zero");
        require(amount <= balanceOf(sender), "You are trying to transfer more than your balance");
    }

    function _transfer(address sender, address recipient, uint256 amount) private {
        preTxCheck(sender, recipient, amount);
        checkTradingAllowed(sender, recipient);
        checkMaxWallet(sender, recipient, amount);
        swapbackCounters(sender, recipient);
        checkTxLimit(sender, recipient, amount);
        swapBack(sender, recipient, amount);
        _balances[sender] = _balances[sender].sub(amount);
        uint256 amountReceived = shouldTakeFee(sender, recipient) ? takeFee(sender, recipient, amount) : amount;
        _balances[recipient] = _balances[recipient].add(amountReceived);
        emit Transfer(sender, recipient, amountReceived);
        processShares(sender, recipient);
    }

    function setStructure(
        uint256 _liquidity,
        uint256 _marketing,
        uint256 _burn,
        uint256 _rewards,
        uint256 _development,
        uint256 _total,
        uint256 _sell,
        uint256 _trans
    ) external onlyOwner {
        liquidityFee = _liquidity;
        marketingFee = _marketing;
        burnFee = _burn;
        rewardsFee = _rewards;
        developmentFee = _development;
        totalFee = _total;
        sellFee = _sell;
        transferFee = _trans;
        require(
            totalFee <= denominator.div(10) && sellFee <= denominator.div(10) && transferFee <= denominator.div(10),
            "totalFee and sellFee cannot be more than 20%"
        );
    }

    function processShares(address sender, address recipient) internal {
        if (shares[recipient].amount > 0 && autoRewards) distributeDividend(recipient);
        if (recipient == pair && shares[sender].amount > 0) {
            excessDividends = excessDividends.add(getUnpaidEarnings(sender));
        }
        if (!isDividendExempt[sender]) setShare(sender, balanceOf(sender));
        if (!isDividendExempt[recipient]) setShare(recipient, balanceOf(recipient));
        if (isContract(sender) && !isContractDividendAllowed[sender]) setShare(sender, uint256(0));
        if (isContract(recipient) && !isContractDividendAllowed[recipient]) setShare(recipient, uint256(0));
        if (autoRewards) process(distributorGas);
    }

    function manuallyProcessReward() external {
        require(msg.sender == development_receiver, "Not authorized");
        process(distributorGas.mul(uint256(10)));
    }

    function startTrading() external onlyOwner {
        require(!tradingAllowed, "trading is already open");
        tradingAllowed = true;
    }

    function removeLimits() external onlyOwner {
        uint256 newTx = totalSupply();
        uint256 newTransfer = totalSupply();
        uint256 newWallet = totalSupply();
        _maxTxAmount = newTx;
        _maxSellAmount = newTransfer;
        _maxWalletToken = newWallet;
    }

    function setParameters(uint256 _buy, uint256 _trans, uint256 _wallet) external onlyOwner {
        uint256 newTx = (totalSupply() * _buy) / 10000;
        uint256 newTransfer = (totalSupply() * _trans) / 10000;
        uint256 newWallet = (totalSupply() * _wallet) / 10000;
        _maxTxAmount = newTx;
        _maxSellAmount = newTransfer;
        _maxWalletToken = newWallet;
        uint256 limit = totalSupply().mul(5).div(1000);
        require(
            newTx >= limit && newTransfer >= limit && newWallet >= limit,
            "Max TXs and Max Wallet cannot be less than .5%"
        );
    }

    function checkTradingAllowed(address sender, address recipient) internal view {
        if (!isFeeExempt[sender] && !isFeeExempt[recipient]) require(tradingAllowed, "tradingAllowed");
    }

    function checkMaxWallet(address sender, address recipient, uint256 amount) internal view {
        if (!isFeeExempt[sender] && !isFeeExempt[recipient] && recipient != address(pair) && recipient != address(DEAD))
        {
            require((_balances[recipient].add(amount)) <= _maxWalletToken, "Exceeds maximum wallet amount.");
        }
    }

    function swapbackCounters(address sender, address recipient) internal {
        if (recipient == pair && !isFeeExempt[sender]) swapTimes += uint256(1);
    }

    function checkTxLimit(address sender, address recipient, uint256 amount) internal view {
        if (sender != pair) {
            require(amount <= _maxSellAmount || isFeeExempt[sender] || isFeeExempt[recipient], "TX Limit Exceeded");
        }
        require(amount <= _maxTxAmount || isFeeExempt[sender] || isFeeExempt[recipient], "TX Limit Exceeded");
    }

    function swapAndLiquify(uint256 tokens) private lockTheSwap {
        uint256 _denominator = (liquidityFee.add(marketingFee).add(developmentFee).add(rewardsFee)).mul(2);
        uint256 tokensToAddLiquidityWith = tokens.mul(liquidityFee).div(_denominator);
        uint256 toSwap = tokens.sub(tokensToAddLiquidityWith);
        uint256 initialBalance = address(this).balance;
        swapTokensForETH(toSwap);
        uint256 deltaBalance = address(this).balance.sub(initialBalance);
        uint256 unitBalance = deltaBalance.div(_denominator.sub(liquidityFee));
        uint256 ETHToAddLiquidityWith = unitBalance.mul(liquidityFee);
        if (ETHToAddLiquidityWith > uint256(0)) addLiquidity(tokensToAddLiquidityWith, ETHToAddLiquidityWith);
        uint256 rewardsAmount = unitBalance.mul(uint256(2)).mul(rewardsFee);
        if (rewardsAmount > uint256(0)) deposit(rewardsAmount);
        uint256 marketingAmount = unitBalance.mul(uint256(2)).mul(marketingFee);
        if (marketingAmount > uint256(0)) payable(marketing_receiver).transfer(marketingAmount);
        uint256 aBalance = address(this).balance.sub(currentDividends);
        if (aBalance > uint256(0)) payable(development_receiver).transfer(aBalance);
    }

    function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
        _approve(address(this), address(router), tokenAmount);
        router.addLiquidityETH{ value: ETHAmount }(
            address(this), tokenAmount, 0, 0, liquidity_receiver, block.timestamp
        );
    }

    function swapTokensForETH(uint256 tokenAmount) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = router.WETH();
        _approve(address(this), address(router), tokenAmount);
        router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, address(this), block.timestamp);
    }

    function shouldSwapBack(address sender, address recipient, uint256 amount) internal view returns (bool) {
        bool aboveMin = amount >= _minTokenAmount;
        bool aboveThreshold = balanceOf(address(this)) >= swapThreshold;
        return !swapping && swapEnabled && tradingAllowed && aboveMin && !isFeeExempt[sender] && recipient == pair
            && swapTimes >= uint256(0) && aboveThreshold;
    }

    function swapBack(address sender, address recipient, uint256 amount) internal {
        if (shouldSwapBack(sender, recipient, amount)) {
            swapAndLiquify(swapThreshold);
            swapTimes = uint256(0);
        }
    }

    function shouldTakeFee(address sender, address recipient) internal view returns (bool) {
        return !isFeeExempt[sender] && !isFeeExempt[recipient];
    }

    function getTotalFee(address sender, address recipient) internal view returns (uint256) {
        if (recipient == pair) return sellFee;
        if (sender == pair) return totalFee;
        return transferFee;
    }

    function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
        if (getTotalFee(sender, recipient) > 0) {
            uint256 feeAmount = amount.div(denominator).mul(getTotalFee(sender, recipient));
            _balances[address(this)] = _balances[address(this)].add(feeAmount);
            emit Transfer(sender, address(this), feeAmount);
            if (burnFee > uint256(0)) _transfer(address(this), address(DEAD), amount.div(denominator).mul(burnFee));
            return amount.sub(feeAmount);
        }
        return amount;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(
            sender, msg.sender, _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance")
        );
        return true;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function setExcess() external {
        payable(development_receiver).transfer(excessDividends);
        currentDividends = currentDividends.sub(excessDividends);
        excessDividends = uint256(0);
    }

    function setisDividendExempt(address holder, bool exempt) external onlyOwner {
        isDividendExempt[holder] = exempt;
        if (exempt) setShare(holder, 0);
        else setShare(holder, balanceOf(holder));
    }

    function setisContractDividendAllowed(address holder, bool allowed) external onlyOwner {
        isContractDividendAllowed[holder] = allowed;
        if (!allowed) setShare(holder, 0);
        else setShare(holder, balanceOf(holder));
    }

    function setShare(address shareholder, uint256 amount) internal {
        if (amount > 0 && shares[shareholder].amount == 0) addShareholder(shareholder);
        else if (amount == 0 && shares[shareholder].amount > 0) removeShareholder(shareholder);
        totalShares = totalShares.sub(shares[shareholder].amount).add(amount);
        shares[shareholder].amount = amount;
        shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount);
    }

    function deposit(uint256 amountETH) internal {
        currentDividends += amountETH;
        totalDividends += amountETH;
        dividendsPerShare = dividendsPerShare.add(dividendsPerShareAccuracyFactor.mul(amountETH).div(totalShares));
    }

    function process(uint256 gas) internal {
        uint256 shareholderCount = shareholders.length;
        if (shareholderCount == 0) return;
        uint256 gasUsed = 0;
        uint256 gasLeft = gasleft();
        uint256 iterations = 0;
        while (gasUsed < gas && iterations < shareholderCount) {
            if (currentIndex >= shareholderCount) currentIndex = 0;
            if (shouldDistribute(shareholders[currentIndex])) {
                distributeDividend(shareholders[currentIndex]);
            }
            gasUsed = gasUsed.add(gasLeft.sub(gasleft()));
            gasLeft = gasleft();
            currentIndex++;
            iterations++;
        }
    }

    function rescueERC20(address _address, uint256 _amount) external {
        require(msg.sender == development_receiver, "Not authorized");
        IERC20(_address).transfer(development_receiver, _amount);
    }

    function rescueETH() external onlyOwner {
        payable(msg.sender).transfer(address(this).balance);
    }

    function shouldDistribute(address shareholder) internal view returns (bool) {
        return shareholderClaims[shareholder] + minPeriod < block.timestamp
            && getUnpaidEarnings(shareholder) > minDistribution;
    }

    function totalRewardsDistributed(address _wallet) external view returns (uint256) {
        address shareholder = _wallet;
        return uint256(shares[shareholder].totalRealised);
    }

    function distributeDividend(address shareholder) internal {
        if (shares[shareholder].amount == 0) return;
        uint256 amount = getUnpaidEarnings(shareholder);
        if (amount > 0) {
            totalDistributed = totalDistributed.add(amount);
            payable(shareholder).transfer(amount);
            shareholderClaims[shareholder] = block.timestamp;
            shares[shareholder].totalRealised = shares[shareholder].totalRealised.add(amount);
            shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount);
            currentDividends -= amount;
        }
    }

    function getUnpaidEarnings(address shareholder) public view returns (uint256) {
        if (shares[shareholder].amount == 0) return 0;
        uint256 shareholderTotalDividends = getCumulativeDividends(shares[shareholder].amount);
        uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded;
        if (shareholderTotalDividends <= shareholderTotalExcluded) return 0;
        return shareholderTotalDividends.sub(shareholderTotalExcluded);
    }

    function getCumulativeDividends(uint256 share) internal view returns (uint256) {
        return share.mul(dividendsPerShare).div(dividendsPerShareAccuracyFactor);
    }

    function addShareholder(address shareholder) internal {
        shareholderIndexes[shareholder] = shareholders.length;
        shareholders.push(shareholder);
    }

    function removeShareholder(address shareholder) internal {
        shareholders[shareholderIndexes[shareholder]] = shareholders[shareholders.length - 1];
        shareholderIndexes[shareholders[shareholders.length - 1]] = shareholderIndexes[shareholder];
        shareholders.pop();
    }

    function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external onlyOwner {
        minPeriod = _minPeriod;
        minDistribution = _minDistribution;
    }

    function setDistributionGas(uint256 _distributorGas) external onlyOwner {
        distributorGas = _distributorGas;
    }
}