Theta Smart Contracts | ThetaScan.io

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Published Contract:

// File: math/SafeMath.sol


pragma solidity >=0.8.0;

library SafeMath {
 function add(uint256 a, uint256 b) internal pure returns (uint256) {
 uint256 c = a + b;
 require(c >= a, "SafeMath: addition overflow");
 return c;
 }

 function sub(uint256 a, uint256 b) internal pure returns (uint256) {
 return sub(a, b, "SafeMath: subtraction overflow");
 }

 function sub(
 uint256 a,
 uint256 b,
 string memory errorMessage
 ) internal pure returns (uint256) {
 require(b <= a, errorMessage);
 uint256 c = a - b;

 return c;
 }

 function mul(uint256 a, uint256 b) internal pure returns (uint256) {
 if (a == 0) {
 return 0;
 }

 uint256 c = a * b;
 require(c / a == b, "SafeMath: multiplication overflow");

 return c;
 }

 function div(uint256 a, uint256 b) internal pure returns (uint256) {
 return div(a, b, "SafeMath: division by zero");
 }

 function div(
 uint256 a,
 uint256 b,
 string memory errorMessage
 ) internal pure returns (uint256) {
 require(b > 0, errorMessage);
 uint256 c = a / b;
 // assert(a == b * c + a % b); // There is no case in which this doesn9t hold

 return c;
 }

 function mod(uint256 a, uint256 b) internal pure returns (uint256) {
 return mod(a, b, "SafeMath: modulo by zero");
 }

 function mod(
 uint256 a,
 uint256 b,
 string memory errorMessage
 ) internal pure returns (uint256) {
 require(b != 0, errorMessage);
 return a % b;
 }
}
// File: interfaces/ITNT20.sol


pragma solidity >=0.8.0;

interface ITNT20 {

 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);

 function burn(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);

}
// File: @openzeppelin/contracts/utils/Context.sol


// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
 function _msgSender() internal view virtual returns (address) {
 return msg.sender;
 }

 function _msgData() internal view virtual returns (bytes calldata) {
 return msg.data;
 }
}

// File: BULTToken.sol


pragma solidity >=0.8.0;




contract BULTToken is Context, ITNT20 {
 using SafeMath for uint256;

 mapping(address => uint256) private _balances;

 mapping(address => mapping(address => uint256)) private _allowances;

 address private _admin;
 uint256 public time;
 string private _name;
 string private _symbol;
 uint8 private _decimals;
 uint256 private _totalSupply;
 bool private _mintable;

 constructor(
 string memory name_,
 string memory symbol_,
 uint8 decimals_,
 uint256 initialSupply_,
 bool mintable_
 ) {
 require(msg.sender != address(0x0), "cannot deploy the token from address 0x0");
 _name = name_;
 _symbol = symbol_;
 _decimals = decimals_;
 _admin = msg.sender;
 _mint(_admin, initialSupply_ * 10**_decimals);
 _mintable = mintable_;
 time = block.timestamp;
 }

 function getAdmin() public view returns (address) {
 return _admin;
 }

 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 totalSupply() public view override returns (uint256) {
 return _totalSupply;
 }

 function balanceOf(address account) public view override returns (uint256) {
 return _balances[account];
 }

 function transfer(address recipient, uint256 amount)
 public
 virtual
 override
 returns (bool)
 {
 _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)
 {
 _approve(_msgSender(), spender, amount);
 return true;
 }

 function transferFrom(
 address sender,
 address recipient,
 uint256 amount
 ) public virtual override returns (bool) {
 _transfer(sender, recipient, amount);
 _approve(
 sender,
 _msgSender(),
 _allowances[sender][_msgSender()].sub(
 amount,
 "TNT20: transfer amount exceeds allowance"
 )
 );
 return true;
 }

 function mintable() public view returns (bool) {
 return _mintable;
 }

 function mint(uint256 amount) public returns (bool) {
 require(_mintable, "the token is not mintable");
 require(msg.sender == _admin, "only admin can mint new tokens");
 _mint(_admin, amount);
 return true;
 }

 function _transfer(
 address sender,
 address recipient,
 uint256 amount
 ) internal virtual {
 require(sender != address(0), "TNT20: transfer from the zero address");
 require(recipient != address(0), "TNT20: transfer to the zero address");

 _balances[sender] = _balances[sender].sub(
 amount,
 "TNT20: transfer amount exceeds balance"
 );
 _balances[recipient] = _balances[recipient].add(amount);
 emit Transfer(sender, recipient, amount);
 }

 function _mint(address account, uint256 amount) internal virtual {
 require(account != address(0), "TNT20: mint to the zero address");

 _totalSupply = _totalSupply.add(amount);
 _balances[account] = _balances[account].add(amount);
 emit Transfer(address(0), account, amount);
 }

 function _burn(address account, uint256 amount) internal virtual {
 require(account != address(0), "TNT20: burn from the zero address");

 uint256 accountBalance = _balances[account];
 require(accountBalance >= amount ,"TNT20: burn amount exceeds balance");
 unchecked {
 _balances[account] = accountBalance - amount;
 }
 _totalSupply -= amount;

 emit Transfer(account, address(0), amount);
 }

 function _approve(
 address owner,
 address spender,
 uint256 amount
 ) internal virtual {
 require(owner != address(0), "TNT20: approve from the zero address");
 require(spender != address(0), "TNT20: approve to the zero address");

 _allowances[owner][spender] = amount;
 emit Approval(owner, spender, amount);
 }

 function burn(uint _value) public virtual override returns (bool sucess) {
 _burn(_msgSender() , _value);
 return true;
 } 
}

Contract ABI:

[{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint8","name":"decimals_","type":"uint8"},{"internalType":"uint256","name":"initialSupply_","type":"uint256"},{"internalType":"bool","name":"mintable_","type":"bool"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"burn","outputs":[{"internalType":"bool","name":"sucess","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mintable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"time","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]