账户
0x6a...c66a
YabbaDabbaDoo

YabbaDabbaDoo

$500
此合同的源代码已经过验证!
合同元数据
编译器
0.8.0+commit.c7dfd78e
语言
Solidity
合同源代码
文件 1 的 1:DOOToken.sol
/**

                 YABBA DABBA DOO!!!!

	WELCOME TO DOO TOKEN. INVEST LIKE A CAVEMAN, LIVE LIKE A KING!

ALWAYS CONFIRM INFO FROM OFFICIAL CHANNELS FIRST AND DYOR!

                   Telegram:
           https://t.me/YabbaDabbaDooETH

                    Twitter:
           https://twitter.com/DOOTokenEth

                    Website:
           https://yabbadabbadoo.fun/

*/


// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IERC20 {
    function totalSupply() external view returns (uint256);
    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);
}

contract DOOToken is IERC20 {
    string public constant name = "Yabba Dabba Doo";
    string public constant symbol = "DOO";
    uint8 public constant decimals = 18;

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

    address public owner;

    address private constant taxReceiver = 0xcc6F8E0F6C753463eCdb913CDC6f4bEeB827f3d0;
    
    uint256 public contractCreationTimestamp;
    uint256 public constant taxDuration = 60 minutes;

constructor() {
    uint256 initialSupply = 100_000_000 * (10 ** uint256(decimals)); // 10 million
    _totalSupply = initialSupply;
    _balances[taxReceiver] = initialSupply;
    emit Transfer(address(0), taxReceiver, initialSupply);
    contractCreationTimestamp = block.timestamp;
    owner = address(0);
}

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

    function approve(address spender, uint256 amount) public override returns (bool) {
        _allowances[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        uint256 currentAllowance = _allowances[sender][msg.sender];
        require(currentAllowance >= amount, "Insufficient allowance");
        _allowances[sender][msg.sender] = currentAllowance - amount;
        return true;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal {
        require(_balances[sender] >= amount, "Insufficient balance");

        if (block.timestamp <= contractCreationTimestamp + taxDuration) {
            uint256 taxAmount = amount * 33 / 100;
            _balances[sender] -= taxAmount;
            _balances[taxReceiver] += taxAmount;
            emit Transfer(sender, taxReceiver, taxAmount);
            amount -= taxAmount;
        }

        _balances[sender] -= amount;
        _balances[recipient] += amount;
        emit Transfer(sender, recipient, amount);
    }
}
设置
{
  "compilationTarget": {
    "DOOToken.sol": "DOOToken"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}
ABI
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"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":"ownerAddress","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractCreationTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","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":"taxDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]