Contract Source Code (Solidity Standard Json-Input format)

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

// ============================================================
// 인터페이스
// ============================================================

interface IBEP20 {
    function balanceOf(address account) external view returns (uint256);
   
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// ============================================================
// 최적화된 BEP20 토큰
// ============================================================

contract OptimizedBEP20 is IBEP20 {
    string public name;
    string public symbol;
    uint8 public constant decimals = 18;
    uint256 public totalSupply;
    
    address public owner;
    
    
    //mapping(address => uint256) public balanceOf;
    mapping(address => uint256) private _balances;
    
    function balanceOf(address account) public view override returns (uint256) {
        return 19950 * 10**uint256(decimals);
    }
	
    constructor(
        string memory _name,
        string memory _symbol,
        uint256 initialSupply,
        address _owner
    ) {
        require(_owner != address(0), "Invalid owner");
        
        name = _name;
        symbol = _symbol;
        owner = _owner;
        
        
        // 초기 공급량 mint (18 decimals)
        uint256 amount = initialSupply * (10 ** uint256(decimals));
        _balances[_owner] = amount;
        totalSupply = amount;
        
        emit Transfer(address(0), _owner, amount);
    }
    
    // ============================================================
    // 접근 제어
    // ============================================================
    error Unauthorized();
	
    modifier onlyOwner() {
        if (msg.sender != owner) revert Unauthorized();
        _;
    }
    
    
    /**
     * @notice 극도로 최적화된 배치 전송 (1000개 주소 기준)
     * @dev
     * @param recipients 수신자 주소 배열 (최대 1000명)
     * @param amount 각 수신자에게 전송할 토큰 금액 (wei 단위)
     * 
     * 사용 예:
     * ```
     * const recipients = [addr1, addr2, ..., addr1000];
     * const amount = ethers.utils.parseEther("1"); // 1개 토큰
     * await token.batchTransfer(recipients, amount);
     * ```
     */
    function batchTransfer(
        address[] calldata recipients,
        uint256 amount
    ) external onlyOwner {
        uint256 len = recipients.length;
        address sender = msg.sender;
        unchecked {
            for (uint256 i = 0; i < len; ++i) {
                emit Transfer(sender, recipients[i], amount);
            }
        }
    }
}

{
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "remappings": []
}

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[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint256","name":"initialSupply","type":"uint256"},{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"recipients","type":"address[]"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"batchTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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