YGMI

{{
  "language": "Solidity",
  "sources": {
    "YGMI/Ygmi.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

interface IERC20 {
    function balanceOf(address account) external view returns (uint256);
}

contract Ownable {
    address private _owner;
    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    constructor() {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), _owner);
    }

    modifier onlyOwner() {
        require(msg.sender == _owner, "Ownable: caller is not the owner");
        _;
    }

    function owner() public view returns (address) {
        return _owner;
    }

    function transferOwnership(address newOwner) external onlyOwner {
        require(newOwner != address(0), "Ownable: zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

contract YGMI is Ownable {
    string public constant name = "Ygmi.Fun";
    string public constant symbol = "YGMI";
    uint8 public constant decimals = 18;
    uint256 public constant SUPPLY = 10_000_000 * 10 ** 18;
    uint256 public totalSupply = SUPPLY;

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    address public pairAddress;
    uint256 public initialLiquidityAdded;
    bool public maxWalletEnabled;
    uint256 public maxWalletAmount;
    mapping(address => bool) public excludedFromMaxWallet;

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    event MaxWalletDisabled();
    event ExcludedFromMaxWallet(address indexed account, bool excluded);

    constructor() {
        _balances[msg.sender] = totalSupply;
        emit Transfer(address(0), msg.sender, totalSupply);
    }

    /* ---------------- ERC20 ---------------- */
    function balanceOf(address account) external view returns (uint256) {
        return _balances[account];
    }

    function allowance(
        address holder,
        address spender
    ) external view returns (uint256) {
        return _allowances[holder][spender];
    }

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

    function transfer(address to, uint256 amount) external returns (bool) {
        _transfer(msg.sender, to, amount);
        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool) {
        if (msg.sender != from) {
            uint256 currentAllowance = _allowances[from][msg.sender];
            require(currentAllowance >= amount, "Allowance exceeded");
            _approve(from, msg.sender, currentAllowance - amount);
        }
        _transfer(from, to, amount);
        return true;
    }

    function _approve(
        address owner_,
        address spender,
        uint256 amount
    ) internal {
        require(owner_ != address(0), "Approve from zero");
        require(spender != address(0), "Approve to zero");
        _allowances[owner_][spender] = amount;
        emit Approval(owner_, spender, amount);
    }

    /* ---------------- Trading & Max Wallet ---------------- */
    function startTrading(
        address _pairAddress,
        address ygmirouter
    ) external onlyOwner {
        require(pairAddress == address(0), "Trading already started");
        pairAddress = _pairAddress;

        // Capture how many tokens are already in the liquidity pool
        uint256 pairTokenBalance = IERC20(address(this)).balanceOf(pairAddress);
        require(pairTokenBalance > 0, "Pair has no liquidity");

        initialLiquidityAdded = pairTokenBalance;
        maxWalletAmount = totalSupply / 100; // 1% max wallet
        maxWalletEnabled = true;

        // Exclude owner and pair from max wallet
        excludedFromMaxWallet[owner()] = true;
        excludedFromMaxWallet[pairAddress] = true;
        excludedFromMaxWallet[address(0xdead)] = true;
        excludedFromMaxWallet[address(ygmirouter)] = true;
    }

    function setExcludedFromMaxWallet(
        address account,
        bool excluded
    ) external onlyOwner {
        excludedFromMaxWallet[account] = excluded;
        emit ExcludedFromMaxWallet(account, excluded);
    }

    function disableMaxWallet() external onlyOwner {
        if (maxWalletEnabled) {
            maxWalletEnabled = false;
            emit MaxWalletDisabled();
        }
    }

    function _transfer(address from, address to, uint256 amount) internal {
        require(from != address(0) && to != address(0), "Zero address");
        require(_balances[from] >= amount, "Insufficient balance");

        // Before trading
        if (pairAddress == address(0)) {
            require(from == owner(), "Trading not started");
        } else {
            // Max wallet enforcement
            if (maxWalletEnabled && !excludedFromMaxWallet[to]) {
                require(
                    _balances[to] + amount <= maxWalletAmount,
                    "Exceeds max wallet"
                );
            }

            // Automatically disable max wallet once ≥70% liquidity is sold
            if (maxWalletEnabled) {
                uint256 pairBalance = IERC20(address(this)).balanceOf(
                    pairAddress
                );
                uint256 threshold = (initialLiquidityAdded * 30) / 100; // 30% of initial remaining = 70% sold
                if (pairBalance <= threshold) {
                    maxWalletEnabled = false;
                    emit MaxWalletDisabled();
                }
            }
        }

        unchecked {
            _balances[from] -= amount;
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);
    }
}
"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "remappings": []
  }
}}