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pragma solidity ^0.8.0;
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abstract contract Context {
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function _msgSender() internal view virtual returns (address) {
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return msg.sender;
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}
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function _msgData() internal view virtual returns (bytes memory) {
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this;
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return msg.data;
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}
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}
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interface IERC20 {
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function totalSupply() external view returns (uint256);
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function balanceOf(address account) external view returns (uint256);
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function transfer(address recipient, uint256 amount) external returns (bool);
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function allowance(address owner, address spender) external view returns (uint256);
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function approve(address spender, uint256 amount) external returns (bool);
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function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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library SafeMath {
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a, "SafeMath: addition overflow");
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return c;
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}
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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return sub(a, b, "SafeMath: subtraction overflow");
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}
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function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b <= a, errorMessage);
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uint256 c = a - b;
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return c;
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}
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "SafeMath: multiplication overflow");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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return div(a, b, "SafeMath: division by zero");
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}
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function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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|
require(b > 0, errorMessage);
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|
uint256 c = a / b;
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return c;
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}
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function mod(uint256 a, uint256 b) internal pure returns (uint256) {
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return mod(a, b, "SafeMath: modulo by zero");
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|
}
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function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
|
|
require(b != 0, errorMessage);
|
|
return a % b;
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|
}
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|
}
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library Address {
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function isContract(address account) internal view returns (bool) {
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|
|
bytes32 codehash;
|
|
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
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|
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assembly { codehash := extcodehash(account) }
|
|
return (codehash != accountHash && codehash != 0x0);
|
|
}
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function sendValue(address payable recipient, uint256 amount) internal {
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|
require(address(this).balance >= amount, "Address: insufficient balance");
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(bool success, ) = recipient.call{ value: amount }("");
|
|
require(success, "Address: unable to send value, recipient may have reverted");
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|
}
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function functionCall(address target, bytes memory data) internal returns (bytes memory) {
|
|
return functionCall(target, data, "Address: low-level call failed");
|
|
}
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|
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
|
|
return _functionCallWithValue(target, data, 0, errorMessage);
|
|
}
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function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
|
|
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
|
|
}
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function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
|
|
require(address(this).balance >= value, "Address: insufficient balance for call");
|
|
return _functionCallWithValue(target, data, value, errorMessage);
|
|
}
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|
|
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
|
|
require(isContract(target), "Address: call to non-contract");
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|
|
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
|
|
if (success) {
|
|
return returndata;
|
|
} else {
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|
|
|
if (returndata.length > 0) {
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|
|
assembly {
|
|
let returndata_size := mload(returndata)
|
|
revert(add(32, returndata), returndata_size)
|
|
}
|
|
} else {
|
|
revert(errorMessage);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
contract Ownable is Context {
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|
address private _owner;
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|
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event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
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constructor () {
|
|
address msgSender = _msgSender();
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|
_owner = msgSender;
|
|
emit OwnershipTransferred(address(0), msgSender);
|
|
}
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function owner() public view returns (address) {
|
|
return _owner;
|
|
}
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modifier onlyOwner() {
|
|
require(_owner == _msgSender(), "Ownable: caller is not the owner");
|
|
_;
|
|
}
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function renounceOwnership() public virtual onlyOwner {
|
|
emit OwnershipTransferred(_owner, address(0));
|
|
_owner = address(0);
|
|
}
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function transferOwnership(address newOwner) public virtual onlyOwner {
|
|
require(newOwner != address(0), "Ownable: new owner is the zero address");
|
|
emit OwnershipTransferred(_owner, newOwner);
|
|
_owner = newOwner;
|
|
}
|
|
}
|
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|
|
interface IUniswapV2Router01 {
|
|
function factory() external pure returns (address);
|
|
function WETH() external pure returns (address);
|
|
}
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|
|
interface IUniswapV2Factory {
|
|
function getPair(address tokenA, address tokenB) external view returns (address pair);
|
|
}
|
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|
|
contract MoonProtocolToken is Context, IERC20, Ownable {
|
|
using SafeMath for uint256;
|
|
using Address for address;
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|
|
mapping (address => uint256) private _rOwned;
|
|
mapping (address => uint256) private _tOwned;
|
|
mapping (address => mapping (address => uint256)) private _allowances;
|
|
mapping(address => uint256) private cooldown;
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|
|
mapping (address => bool) private _isExcluded;
|
|
address[] private _excluded;
|
|
address private uniswapV2Pair;
|
|
IUniswapV2Router01 private uniswapRouter01 = IUniswapV2Router01(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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|
|
|
uint256 private constant MAX = ~uint256(0);
|
|
uint256 private constant _tTotal = 100 * 10**9 * 10**18;
|
|
uint256 private _rTotal = (MAX - (MAX % _tTotal));
|
|
uint256 private _tFeeTotal;
|
|
bool enableTrading = true;
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|
|
|
string private _name = 'Moon Protocol ';
|
|
string private _symbol = 'MOON ';
|
|
uint8 private _decimals = 18;
|
|
|
|
constructor () public {
|
|
_rOwned[_msgSender()] = _rTotal;
|
|
emit Transfer(address(0), _msgSender(), _tTotal);
|
|
}
|
|
|
|
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 _tTotal;
|
|
}
|
|
|
|
function balanceOf(address account) public view override returns (uint256) {
|
|
if (_isExcluded[account]) return _tOwned[account];
|
|
return tokenFromReflection(_rOwned[account]);
|
|
}
|
|
|
|
function transfer(address recipient, uint256 amount) public override returns (bool) {
|
|
_transfer(_msgSender(), recipient, amount);
|
|
return true;
|
|
}
|
|
|
|
function allowance(address owner, address spender) public view override returns (uint256) {
|
|
return _allowances[owner][spender];
|
|
}
|
|
|
|
function approve(address spender, uint256 amount) public override returns (bool) {
|
|
_approve(_msgSender(), spender, amount);
|
|
return true;
|
|
}
|
|
|
|
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
|
|
_transfer(sender, recipient, amount);
|
|
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
|
|
return true;
|
|
}
|
|
|
|
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
|
|
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
|
|
return true;
|
|
}
|
|
|
|
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
|
|
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
|
|
return true;
|
|
}
|
|
|
|
function isExcluded(address account) public view returns (bool) {
|
|
return _isExcluded[account];
|
|
}
|
|
|
|
function totalFees() public view returns (uint256) {
|
|
return _tFeeTotal;
|
|
}
|
|
|
|
function reflect(uint256 tAmount) public {
|
|
address sender = _msgSender();
|
|
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
|
|
(uint256 rAmount,,,,) = _getValues(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rTotal = _rTotal.sub(rAmount);
|
|
_tFeeTotal = _tFeeTotal.add(tAmount);
|
|
}
|
|
|
|
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
|
|
require(tAmount <= _tTotal, "Amount must be less than supply");
|
|
if (!deductTransferFee) {
|
|
(uint256 rAmount,,,,) = _getValues(tAmount);
|
|
return rAmount;
|
|
} else {
|
|
(,uint256 rTransferAmount,,,) = _getValues(tAmount);
|
|
return rTransferAmount;
|
|
}
|
|
}
|
|
|
|
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
|
|
require(rAmount <= _rTotal, "Amount must be less than total reflections");
|
|
uint256 currentRate = _getRate();
|
|
return rAmount.div(currentRate);
|
|
}
|
|
|
|
function useCoolDown(bool enable) public onlyOwner {
|
|
enableTrading = enable;
|
|
}
|
|
|
|
function updateUniPair() public onlyOwner {
|
|
address getPairAddress = IUniswapV2Factory(uniswapRouter01.factory()).getPair(address(this), uniswapRouter01.WETH());
|
|
require(getPairAddress != address(0));
|
|
uniswapV2Pair = getPairAddress;
|
|
}
|
|
|
|
function excludeAccount(address account) external onlyOwner() {
|
|
require(!_isExcluded[account], "Account is already excluded");
|
|
if(_rOwned[account] > 0) {
|
|
_tOwned[account] = tokenFromReflection(_rOwned[account]);
|
|
}
|
|
_isExcluded[account] = true;
|
|
_excluded.push(account);
|
|
}
|
|
|
|
function includeAccount(address account) external onlyOwner() {
|
|
require(_isExcluded[account], "Account is already excluded");
|
|
for (uint256 i = 0; i < _excluded.length; i++) {
|
|
if (_excluded[i] == account) {
|
|
_excluded[i] = _excluded[_excluded.length - 1];
|
|
_tOwned[account] = 0;
|
|
_isExcluded[account] = false;
|
|
_excluded.pop();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
function _approve(address owner, address spender, uint256 amount) private {
|
|
require(owner != address(0), "ERC20: approve from the zero address");
|
|
require(spender != address(0), "ERC20: approve to the zero address");
|
|
|
|
_allowances[owner][spender] = amount;
|
|
emit Approval(owner, spender, amount);
|
|
}
|
|
|
|
function _transfer(address sender, address recipient, uint256 amount) private {
|
|
require(sender != address(0), "ERC20: transfer from the zero address");
|
|
require(recipient != address(0), "ERC20: transfer to the zero address");
|
|
require(amount > 0, "Transfer amount must be greater than zero");
|
|
if (_isExcluded[sender] && !_isExcluded[recipient]) {
|
|
_transferFromExcluded(sender, recipient, amount);
|
|
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
|
|
_transferToExcluded(sender, recipient, amount);
|
|
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
|
|
_transferStandard(sender, recipient, amount);
|
|
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
|
|
_transferBothExcluded(sender, recipient, amount);
|
|
} else {
|
|
_transferStandard(sender, recipient, amount);
|
|
}
|
|
}
|
|
|
|
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
|
|
if (sender != owner() && recipient != owner()) {
|
|
if(sender != uniswapV2Pair) {
|
|
require(enableTrading);
|
|
require(cooldown[recipient] < block.timestamp);
|
|
cooldown[recipient] = block.timestamp + (35 seconds);
|
|
}
|
|
if(sender == uniswapV2Pair) cooldown[sender] = block.timestamp + (35 seconds);
|
|
}
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
|
|
_tOwned[sender] = _tOwned[sender].sub(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
|
|
_tOwned[sender] = _tOwned[sender].sub(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _reflectFee(uint256 rFee, uint256 tFee) private {
|
|
|
|
_rTotal = _rTotal.sub(rFee);
|
|
_tFeeTotal = _tFeeTotal.add(tFee);
|
|
}
|
|
|
|
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) {
|
|
(uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount);
|
|
uint256 currentRate = _getRate();
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
|
|
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee);
|
|
}
|
|
|
|
function _getTValues(uint256 tAmount) private view returns (uint256, uint256) {
|
|
|
|
uint256 tFee;
|
|
if(_tTotal >= 30000000 * (10**6) * (10**18))
|
|
{
|
|
tFee = tAmount.div(100).mul(2);
|
|
}
|
|
else
|
|
{
|
|
tFee = 0;
|
|
}
|
|
uint256 tTransferAmount = tAmount.sub(tFee);
|
|
return (tTransferAmount, tFee);
|
|
}
|
|
|
|
function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
|
|
uint256 rAmount = tAmount.mul(currentRate);
|
|
uint256 rFee = tFee.mul(currentRate);
|
|
uint256 rTransferAmount = rAmount.sub(rFee);
|
|
return (rAmount, rTransferAmount, rFee);
|
|
}
|
|
|
|
function _getRate() private view returns(uint256) {
|
|
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
|
|
return rSupply.div(tSupply);
|
|
}
|
|
uint256 public rSupply;
|
|
uint256 public tSupply;
|
|
function _getCurrentSupply() private view returns(uint256, uint256) {
|
|
uint256 rSupply = _rTotal;
|
|
uint256 tSupply = _tTotal;
|
|
for (uint256 i = 0; i < _excluded.length; i++) {
|
|
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
|
|
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
|
|
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
|
|
}
|
|
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
|
|
return (rSupply, tSupply);
|
|
}
|
|
} |