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GoodDoge
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// SPDX-License-Identifier: MIT | |
pragma solidity ^0.8.4; | |
abstract contract Context { | |
function _msgSender() internal view virtual returns (address payable) { | |
return payable(msg.sender); | |
} | |
function _msgData() internal view virtual returns (bytes memory) { | |
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 | |
return msg.data; | |
} | |
} | |
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 | |
); | |
function decimals() external view returns (uint8); | |
} | |
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 doesn't 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; | |
} | |
} | |
library Address { | |
function isContract(address account) internal view returns (bool) { | |
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts | |
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned | |
// for accounts without code, i.e. `keccak256('')` | |
bytes32 codehash; | |
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; | |
// solhint-disable-next-line no-inline-assembly | |
assembly { | |
codehash := extcodehash(account) | |
} | |
return (codehash != accountHash && codehash != 0x0); | |
} | |
function sendValue(address payable recipient, uint256 amount) internal { | |
require( | |
address(this).balance >= amount, | |
"Address: insufficient balance" | |
); | |
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value | |
(bool success, ) = recipient.call{value: amount}(""); | |
require( | |
success, | |
"Address: unable to send value, recipient may have reverted" | |
); | |
} | |
function functionCall(address target, bytes memory data) | |
internal | |
returns (bytes memory) | |
{ | |
return functionCall(target, data, "Address: low-level call failed"); | |
} | |
function functionCall( | |
address target, | |
bytes memory data, | |
string memory errorMessage | |
) internal returns (bytes memory) { | |
return _functionCallWithValue(target, data, 0, errorMessage); | |
} | |
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" | |
); | |
} | |
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); | |
} | |
function _functionCallWithValue( | |
address target, | |
bytes memory data, | |
uint256 weiValue, | |
string memory errorMessage | |
) private returns (bytes memory) { | |
require(isContract(target), "Address: call to non-contract"); | |
(bool success, bytes memory returndata) = target.call{value: weiValue}( | |
data | |
); | |
if (success) { | |
return returndata; | |
} else { | |
if (returndata.length > 0) { | |
assembly { | |
let returndata_size := mload(returndata) | |
revert(add(32, returndata), returndata_size) | |
} | |
} else { | |
revert(errorMessage); | |
} | |
} | |
} | |
} | |
contract Ownable is Context { | |
address private _owner; | |
address private _previousOwner; | |
uint256 private _lockTime; | |
event OwnershipTransferred( | |
address indexed previousOwner, | |
address indexed newOwner | |
); | |
constructor() { | |
address msgSender = _msgSender(); | |
_owner = msgSender; | |
emit OwnershipTransferred(address(0), msgSender); | |
} | |
function owner() public view returns (address) { | |
return _owner; | |
} | |
modifier onlyOwner() { | |
require(_owner == _msgSender(), "Ownable: caller is not the owner"); | |
_; | |
} | |
function renounceOwnership() public virtual onlyOwner { | |
emit OwnershipTransferred(_owner, address(0)); | |
_owner = address(0); | |
} | |
function transferOwnership(address newOwner) public virtual onlyOwner { | |
require( | |
newOwner != address(0), | |
"Ownable: new owner is the zero address" | |
); | |
emit OwnershipTransferred(_owner, newOwner); | |
_owner = newOwner; | |
} | |
// function getUnlockTime() public view returns (uint256) { | |
// return _lockTime; | |
// } | |
// function getTime() public view returns (uint256) { | |
// return block.timestamp; | |
// } | |
function lock(uint256 time) public virtual onlyOwner { | |
_previousOwner = _owner; | |
_owner = address(0); | |
_lockTime = block.timestamp + time; | |
emit OwnershipTransferred(_owner, address(0)); | |
} | |
function unlock() public virtual { | |
require( | |
_previousOwner == msg.sender, | |
"You don't have permission to unlock" | |
); | |
require(block.timestamp > _lockTime, "Contract is locked until 7 days"); | |
emit OwnershipTransferred(_owner, _previousOwner); | |
_owner = _previousOwner; | |
} | |
} | |
pragma solidity >=0.5.0; | |
interface IUniswapV2FactoryV5 { | |
event PairCreated( | |
address indexed token0, | |
address indexed token1, | |
address pair, | |
uint256 | |
); | |
function feeTo() external view returns (address); | |
function feeToSetter() external view returns (address); | |
function globalPause() external view returns (bool); | |
function getPair(address tokenA, address tokenB) | |
external | |
view | |
returns (address pair); | |
function allPairs(uint256) external view returns (address pair); | |
function allPairsLength() external view returns (uint256); | |
function createPair(address tokenA, address tokenB) | |
external | |
returns (address pair); | |
function createPair( | |
address tokenA, | |
address tokenB, | |
uint256 fee | |
) external returns (address pair); | |
function setFeeTo(address) external; | |
function setFeeToSetter(address) external; | |
function toggleGlobalPause() external; | |
} | |
pragma solidity >=0.5.0; | |
interface IUniswapV2PairV5 { | |
event Approval( | |
address indexed owner, | |
address indexed spender, | |
uint256 value | |
); | |
event Transfer(address indexed from, address indexed to, uint256 value); | |
function name() external pure returns (string memory); | |
function symbol() external pure returns (string memory); | |
function decimals() external pure returns (uint8); | |
function totalSupply() external view returns (uint256); | |
function balanceOf(address owner) external view returns (uint256); | |
function allowance(address owner, address spender) | |
external | |
view | |
returns (uint256); | |
function approve(address spender, uint256 value) external returns (bool); | |
function transfer(address to, uint256 value) external returns (bool); | |
function transferFrom( | |
address from, | |
address to, | |
uint256 value | |
) external returns (bool); | |
function DOMAIN_SEPARATOR() external view returns (bytes32); | |
function PERMIT_TYPEHASH() external pure returns (bytes32); | |
function nonces(address owner) external view returns (uint256); | |
function permit( | |
address owner, | |
address spender, | |
uint256 value, | |
uint256 deadline, | |
uint8 v, | |
bytes32 r, | |
bytes32 s | |
) external; | |
event Mint(address indexed sender, uint256 amount0, uint256 amount1); | |
event Burn( | |
address indexed sender, | |
uint256 amount0, | |
uint256 amount1, | |
address indexed to | |
); | |
event Swap( | |
address indexed sender, | |
uint256 amount0In, | |
uint256 amount1In, | |
uint256 amount0Out, | |
uint256 amount1Out, | |
address indexed to | |
); | |
event Sync(uint112 reserve0, uint112 reserve1); | |
function MINIMUM_LIQUIDITY() external pure returns (uint256); | |
function factory() external view returns (address); | |
function token0() external view returns (address); | |
function token1() external view returns (address); | |
function getReserves() | |
external | |
view | |
returns ( | |
uint112 reserve0, | |
uint112 reserve1, | |
uint32 blockTimestampLast | |
); | |
function price0CumulativeLast() external view returns (uint256); | |
function price1CumulativeLast() external view returns (uint256); | |
function kLast() external view returns (uint256); | |
function mint(address to) external returns (uint256 liquidity); | |
function burn(address to) | |
external | |
returns (uint256 amount0, uint256 amount1); | |
function swap( | |
uint256 amount0Out, | |
uint256 amount1Out, | |
address to, | |
bytes calldata data | |
) external; | |
function skim(address to) external; | |
function sync() external; | |
function initialize(address, address) external; | |
} | |
pragma solidity ^0.8.0; | |
interface IFraxswapPair is IUniswapV2PairV5 { | |
// TWAMM | |
event LongTermSwap0To1( | |
address indexed addr, | |
uint256 orderId, | |
uint256 amount0In, | |
uint256 numberOfTimeIntervals | |
); | |
event LongTermSwap1To0( | |
address indexed addr, | |
uint256 orderId, | |
uint256 amount1In, | |
uint256 numberOfTimeIntervals | |
); | |
event CancelLongTermOrder( | |
address indexed addr, | |
uint256 orderId, | |
address sellToken, | |
uint256 unsoldAmount, | |
address buyToken, | |
uint256 purchasedAmount | |
); | |
event WithdrawProceedsFromLongTermOrder( | |
address indexed addr, | |
uint256 orderId, | |
address indexed proceedToken, | |
uint256 proceeds, | |
bool orderExpired | |
); | |
function fee() external view returns (uint256); | |
function longTermSwapFrom0To1( | |
uint256 amount0In, | |
uint256 numberOfTimeIntervals | |
) external returns (uint256 orderId); | |
function longTermSwapFrom1To0( | |
uint256 amount1In, | |
uint256 numberOfTimeIntervals | |
) external returns (uint256 orderId); | |
function cancelLongTermSwap(uint256 orderId) external; | |
function withdrawProceedsFromLongTermSwap(uint256 orderId) | |
external | |
returns ( | |
bool is_expired, | |
address rewardTkn, | |
uint256 totalReward | |
); | |
function executeVirtualOrders(uint256 blockTimestamp) external; | |
function getAmountOut(uint256 amountIn, address tokenIn) | |
external | |
view | |
returns (uint256); | |
function getAmountIn(uint256 amountOut, address tokenOut) | |
external | |
view | |
returns (uint256); | |
function orderTimeInterval() external returns (uint256); | |
function getTWAPHistoryLength() external view returns (uint256); | |
function getTwammReserves() | |
external | |
view | |
returns ( | |
uint112 _reserve0, | |
uint112 _reserve1, | |
uint32 _blockTimestampLast, | |
uint112 _twammReserve0, | |
uint112 _twammReserve1, | |
uint256 _fee | |
); | |
function getReserveAfterTwamm(uint256 blockTimestamp) | |
external | |
view | |
returns ( | |
uint112 _reserve0, | |
uint112 _reserve1, | |
uint256 lastVirtualOrderTimestamp, | |
uint112 _twammReserve0, | |
uint112 _twammReserve1 | |
); | |
function getNextOrderID() external view returns (uint256); | |
function getOrderIDsForUser(address user) | |
external | |
view | |
returns (uint256[] memory); | |
function getOrderIDsForUserLength(address user) | |
external | |
view | |
returns (uint256); | |
// function getDetailedOrdersForUser(address user, uint256 offset, uint256 limit) external view returns (LongTermOrdersLib.Order[] memory detailed_orders); | |
function twammUpToDate() external view returns (bool); | |
function getTwammState() | |
external | |
view | |
returns ( | |
uint256 token0Rate, | |
uint256 token1Rate, | |
uint256 lastVirtualOrderTimestamp, | |
uint256 orderTimeInterval_rtn, | |
uint256 rewardFactorPool0, | |
uint256 rewardFactorPool1 | |
); | |
function getTwammSalesRateEnding(uint256 _blockTimestamp) | |
external | |
view | |
returns ( | |
uint256 orderPool0SalesRateEnding, | |
uint256 orderPool1SalesRateEnding | |
); | |
function getTwammRewardFactor(uint256 _blockTimestamp) | |
external | |
view | |
returns ( | |
uint256 rewardFactorPool0AtTimestamp, | |
uint256 rewardFactorPool1AtTimestamp | |
); | |
function getTwammOrder(uint256 orderId) | |
external | |
view | |
returns ( | |
uint256 id, | |
uint256 creationTimestamp, | |
uint256 expirationTimestamp, | |
uint256 saleRate, | |
address owner, | |
address sellTokenAddr, | |
address buyTokenAddr | |
); | |
function getTwammOrderProceedsView(uint256 orderId, uint256 blockTimestamp) | |
external | |
view | |
returns (bool orderExpired, uint256 totalReward); | |
function getTwammOrderProceeds(uint256 orderId) | |
external | |
returns (bool orderExpired, uint256 totalReward); | |
function togglePauseNewSwaps() external; | |
} | |
pragma solidity >=0.6.2; | |
interface IUniswapV2Router01V5 { | |
function factory() external view returns (address); | |
function WETH() external view returns (address); | |
function addLiquidity( | |
address tokenA, | |
address tokenB, | |
uint256 amountADesired, | |
uint256 amountBDesired, | |
uint256 amountAMin, | |
uint256 amountBMin, | |
address to, | |
uint256 deadline | |
) | |
external | |
returns ( | |
uint256 amountA, | |
uint256 amountB, | |
uint256 liquidity | |
); | |
function addLiquidityETH( | |
address token, | |
uint256 amountTokenDesired, | |
uint256 amountTokenMin, | |
uint256 amountETHMin, | |
address to, | |
uint256 deadline | |
) | |
external | |
payable | |
returns ( | |
uint256 amountToken, | |
uint256 amountETH, | |
uint256 liquidity | |
); | |
function removeLiquidity( | |
address tokenA, | |
address tokenB, | |
uint256 liquidity, | |
uint256 amountAMin, | |
uint256 amountBMin, | |
address to, | |
uint256 deadline | |
) external returns (uint256 amountA, uint256 amountB); | |
function removeLiquidityETH( | |
address token, | |
uint256 liquidity, | |
uint256 amountTokenMin, | |
uint256 amountETHMin, | |
address to, | |
uint256 deadline | |
) external returns (uint256 amountToken, uint256 amountETH); | |
function removeLiquidityWithPermit( | |
address tokenA, | |
address tokenB, | |
uint256 liquidity, | |
uint256 amountAMin, | |
uint256 amountBMin, | |
address to, | |
uint256 deadline, | |
bool approveMax, | |
uint8 v, | |
bytes32 r, | |
bytes32 s | |
) external returns (uint256 amountA, uint256 amountB); | |
function removeLiquidityETHWithPermit( | |
address token, | |
uint256 liquidity, | |
uint256 amountTokenMin, | |
uint256 amountETHMin, | |
address to, | |
uint256 deadline, | |
bool approveMax, | |
uint8 v, | |
bytes32 r, | |
bytes32 s | |
) external returns (uint256 amountToken, uint256 amountETH); | |
function swapExactTokensForTokens( | |
uint256 amountIn, | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external returns (uint256[] memory amounts); | |
function swapTokensForExactTokens( | |
uint256 amountOut, | |
uint256 amountInMax, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external returns (uint256[] memory amounts); | |
function swapExactETHForTokens( | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external payable returns (uint256[] memory amounts); | |
function swapTokensForExactETH( | |
uint256 amountOut, | |
uint256 amountInMax, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external returns (uint256[] memory amounts); | |
function swapExactTokensForETH( | |
uint256 amountIn, | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external returns (uint256[] memory amounts); | |
function swapETHForExactTokens( | |
uint256 amountOut, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external payable returns (uint256[] memory amounts); | |
function quote( | |
uint256 amountA, | |
uint256 reserveA, | |
uint256 reserveB | |
) external pure returns (uint256 amountB); | |
function getAmountOut( | |
uint256 amountIn, | |
uint256 reserveIn, | |
uint256 reserveOut | |
) external pure returns (uint256 amountOut); | |
function getAmountIn( | |
uint256 amountOut, | |
uint256 reserveIn, | |
uint256 reserveOut | |
) external pure returns (uint256 amountIn); | |
function getAmountsOut(uint256 amountIn, address[] calldata path) | |
external | |
view | |
returns (uint256[] memory amounts); | |
function getAmountsIn(uint256 amountOut, address[] calldata path) | |
external | |
view | |
returns (uint256[] memory amounts); | |
} | |
pragma solidity >=0.6.2; | |
interface IUniswapV2Router02V5 is IUniswapV2Router01V5 { | |
function removeLiquidityETHSupportingFeeOnTransferTokens( | |
address token, | |
uint256 liquidity, | |
uint256 amountTokenMin, | |
uint256 amountETHMin, | |
address to, | |
uint256 deadline | |
) external returns (uint256 amountETH); | |
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( | |
address token, | |
uint256 liquidity, | |
uint256 amountTokenMin, | |
uint256 amountETHMin, | |
address to, | |
uint256 deadline, | |
bool approveMax, | |
uint8 v, | |
bytes32 r, | |
bytes32 s | |
) external returns (uint256 amountETH); | |
function swapExactTokensForTokensSupportingFeeOnTransferTokens( | |
uint256 amountIn, | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external; | |
function swapExactETHForTokensSupportingFeeOnTransferTokens( | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external payable; | |
function swapExactTokensForETHSupportingFeeOnTransferTokens( | |
uint256 amountIn, | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external; | |
} | |
contract GoodDoge is Context, IERC20, Ownable { | |
using SafeMath for uint256; | |
using Address for address; | |
address payable public charityAddress = | |
payable(0x2931560Bb81E0eDce55969c1502EA7190a60E67A); // Charity address | |
address public immutable deadAddress = | |
0x000000000000000000000000000000000000dEaD; | |
mapping(address => uint256) private _rOwned; | |
mapping(address => uint256) private _tOwned; | |
mapping(address => mapping(address => uint256)) private _allowances; | |
mapping(address => bool) private _isExcludedFromFee; | |
mapping(address => bool) private _isExcluded; | |
address[] private _excluded; | |
uint256 private constant MAX = ~uint256(0); | |
uint256 private _tTotal = 100 * 10**6 * 10**9; | |
uint256 private _rTotal = (MAX - (MAX % _tTotal)); | |
uint256 private _tFeeTotal; | |
string private _name = "Good Doge"; | |
string private _symbol = "TREAT"; | |
uint8 private _decimals = 9; | |
uint256 public _taxFee = 6; | |
uint256 private _previousTaxFee = _taxFee; | |
uint256 public _liquidityFee = 2; | |
uint256 private _previousLiquidityFee = _liquidityFee; | |
uint256 public _maxTxAmount = 2 * 10**5 * 10**9; | |
uint256 public _maxWalletToken = 2 * 10**6 * (10**9); | |
uint256 private minimumTokensBeforeSwap = 1 * 10**9; | |
// uint256 private buyBackUpperLimit = 1 * 10**18; | |
IUniswapV2Router02V5 public immutable uniswapV2Router; | |
address public immutable uniswapV2Pair; | |
bool inSwapAndLiquify; | |
bool public swapAndLiquifyEnabled = true; | |
// bool public buyBackEnabled = false; | |
bool private swapping; | |
// Anyswap bridge | |
address public immutable underlying; | |
bool public constant underlyingIsMinted = false; | |
// set of minters, can be this bridge or other bridges | |
mapping(address => bool) public isMinter; | |
event RewardLiquidityProviders(uint256 tokenAmount); | |
// event BuyBackEnabledUpdated(bool enabled); | |
event SwapAndLiquifyEnabledUpdated(bool enabled); | |
event SwapAndLiquify( | |
uint256 tokensSwapped, | |
uint256 ethReceived, | |
uint256 tokensIntoLiqudity | |
); | |
event SwapETHForTokens(uint256 amountIn, address[] path); | |
event SwapTokensForETH(uint256 amountIn, address[] path); | |
modifier lockTheSwap() { | |
inSwapAndLiquify = true; | |
_; | |
inSwapAndLiquify = false; | |
} | |
constructor(address _underlying) { | |
_rOwned[_msgSender()] = _rTotal; | |
IUniswapV2Router02V5 _uniswapV2Router = IUniswapV2Router02V5( | |
0x0f6A5c5F341791e897eB1FB8fE8B4e30EC4F9bDf | |
); | |
uniswapV2Pair = IUniswapV2FactoryV5(_uniswapV2Router.factory()) | |
.createPair(address(this), _uniswapV2Router.WETH()); | |
uniswapV2Router = _uniswapV2Router; | |
_isExcludedFromFee[owner()] = true; | |
_isExcludedFromFee[address(this)] = true; | |
_isExcludedFromFee[charityAddress] = true; | |
underlying = _underlying; | |
if (_underlying != address(0)) { | |
require(_decimals == IERC20(_underlying).decimals()); | |
} | |
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 override 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, | |
"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, | |
"Decreased allowance below zero" | |
) | |
); | |
return true; | |
} | |
function isExcludedFromReward(address account) public view returns (bool) { | |
return _isExcluded[account]; | |
} | |
function totalFees() public view returns (uint256) { | |
return _tFeeTotal; | |
} | |
function minimumTokensBeforeSwapAmount() public view returns (uint256) { | |
return minimumTokensBeforeSwap; | |
} | |
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 excludeFromReward(address account) public onlyOwner { | |
require(!_isExcluded[account], "Account's already excluded"); | |
if (_rOwned[account] > 0) { | |
_tOwned[account] = tokenFromReflection(_rOwned[account]); | |
} | |
_isExcluded[account] = true; | |
_excluded.push(account); | |
} | |
function includeInReward(address account) external onlyOwner { | |
require(_isExcluded[account], "Account's 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), "Approve from addres(0)"); | |
require(spender != address(0), "Approve to addres(0)"); | |
_allowances[owner][spender] = amount; | |
emit Approval(owner, spender, amount); | |
} | |
function _transfer( | |
address from, | |
address to, | |
uint256 amount | |
) private { | |
require(from != address(0), "Transfer from address(0)"); | |
require(to != address(0), "Transfer to address(0)"); | |
require(amount > 0, "Transfer amount < zero"); | |
if ( | |
from != owner() && | |
to != owner() && | |
to != address(0xdead) && | |
to != uniswapV2Pair | |
) { | |
require( | |
amount <= _maxTxAmount, | |
"Transfer amount exceeds maxTxAmount." | |
); | |
uint256 contractBalanceRecepient = balanceOf(to); | |
require( | |
contractBalanceRecepient + amount <= _maxWalletToken, | |
"Exceeds maximum wallet token amount." | |
); | |
} | |
uint256 contractTokenBalance = balanceOf(address(this)); | |
bool canSwap = contractTokenBalance >= minimumTokensBeforeSwap; | |
if ( | |
!swapping && | |
!inSwapAndLiquify && | |
swapAndLiquifyEnabled && | |
to == uniswapV2Pair && | |
from != charityAddress && | |
to != charityAddress && | |
canSwap | |
) { | |
swapping = true; | |
uint256 liquidTokens = contractTokenBalance.mul(_liquidityFee).div( | |
10**2 | |
); | |
swapAndLiquify(liquidTokens); | |
uint256 marketingSell = balanceOf(address(this)); | |
swapTokens(marketingSell); | |
swapping = false; | |
// uint256 balance = address(this).balance; | |
// if (buyBackEnabled && balance > uint256(1 * 10**18)) { | |
// if (balance > buyBackUpperLimit) balance = buyBackUpperLimit; | |
// buyBackTokens(balance.div(100)); | |
// } | |
} | |
bool takeFee = true; | |
//if any account belongs to _isExcludedFromFee account then remove the fee | |
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) { | |
takeFee = false; | |
} | |
_tokenTransfer(from, to, amount, takeFee); | |
} | |
function swapAndLiquify(uint256 tokens) private lockTheSwap { | |
// split the contract balance into halves | |
uint256 half = tokens.div(2); | |
uint256 otherHalf = tokens.sub(half); | |
// capture the contract's current ETH balance. | |
// this is so that we can capture exactly the amount of ETH that the | |
// swap creates, and not make the liquidity event include any ETH that | |
// has been manually sent to the contract | |
uint256 initialBalance = address(this).balance; | |
// swap tokens for ETH | |
swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered | |
// how much ETH did we just swap into? | |
uint256 newBalance = address(this).balance.sub(initialBalance); | |
// add liquidity to uniswap | |
addLiquidity(otherHalf, newBalance); | |
emit SwapAndLiquify(half, newBalance, otherHalf); | |
} | |
function swapTokens(uint256 contractTokenBalance) private lockTheSwap { | |
uint256 initialBalance = address(this).balance; | |
swapTokensForEth(contractTokenBalance); | |
uint256 transferredBalance = address(this).balance.sub(initialBalance); | |
//Send to Charity address | |
transferToAddressETH(charityAddress, transferredBalance); | |
} | |
function swapTokensForEth(uint256 tokenAmount) private { | |
// generate the uniswap pair path of token -> weth | |
address[] memory path = new address[](2); | |
path[0] = address(this); | |
path[1] = uniswapV2Router.WETH(); | |
_approve(address(this), address(uniswapV2Router), tokenAmount); | |
// make the swap | |
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( | |
tokenAmount, | |
0, // accept any amount of ETH | |
path, | |
address(this), // The contract | |
block.timestamp | |
); | |
emit SwapTokensForETH(tokenAmount, path); | |
} | |
function swapETHForTokens(uint256 amount) private { | |
// generate the uniswap pair path of token -> weth | |
address[] memory path = new address[](2); | |
path[0] = uniswapV2Router.WETH(); | |
path[1] = address(this); | |
// make the swap | |
uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{ | |
value: amount | |
}( | |
0, // accept any amount of Tokens | |
path, | |
deadAddress, // Burn address | |
block.timestamp.add(300) | |
); | |
emit SwapETHForTokens(amount, path); | |
} | |
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { | |
// approve token transfer to cover all possible scenarios | |
_approve(address(this), address(uniswapV2Router), tokenAmount); | |
// add the liquidity | |
uniswapV2Router.addLiquidityETH{value: ethAmount}( | |
address(this), | |
tokenAmount, | |
0, // slippage is unavoidable | |
0, // slippage is unavoidable | |
owner(), | |
block.timestamp | |
); | |
} | |
function _tokenTransfer( | |
address sender, | |
address recipient, | |
uint256 amount, | |
bool takeFee | |
) private { | |
if (!takeFee) removeAllFee(); | |
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]) { | |
_transferBothExcluded(sender, recipient, amount); | |
} else { | |
_transferStandard(sender, recipient, amount); | |
} | |
if (!takeFee) restoreAllFee(); | |
} | |
function _transferStandard( | |
address sender, | |
address recipient, | |
uint256 tAmount | |
) private { | |
( | |
uint256 rAmount, | |
uint256 rTransferAmount, | |
uint256 rFee, | |
uint256 tTransferAmount, | |
uint256 tFee, | |
uint256 tLiquidity | |
) = _getValues(tAmount); | |
_rOwned[sender] = _rOwned[sender].sub(rAmount); | |
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); | |
_takeLiquidity(tLiquidity); | |
_takeTaxFee(tFee); | |
_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, | |
uint256 tLiquidity | |
) = _getValues(tAmount); | |
_rOwned[sender] = _rOwned[sender].sub(rAmount); | |
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); | |
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); | |
_takeLiquidity(tLiquidity); | |
_takeTaxFee(tFee); | |
_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, | |
uint256 tLiquidity | |
) = _getValues(tAmount); | |
_tOwned[sender] = _tOwned[sender].sub(tAmount); | |
_rOwned[sender] = _rOwned[sender].sub(rAmount); | |
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); | |
_takeLiquidity(tLiquidity); | |
_takeTaxFee(tFee); | |
_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, | |
uint256 tLiquidity | |
) = _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); | |
_takeLiquidity(tLiquidity); | |
_takeTaxFee(tFee); | |
_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 | |
) | |
{ | |
( | |
uint256 tTransferAmount, | |
uint256 tFee, | |
uint256 tLiquidity | |
) = _getTValues(tAmount); | |
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues( | |
tAmount, | |
tFee, | |
tLiquidity, | |
_getRate() | |
); | |
return ( | |
rAmount, | |
rTransferAmount, | |
rFee, | |
tTransferAmount, | |
tFee, | |
tLiquidity | |
); | |
} | |
function _getTValues(uint256 tAmount) | |
private | |
view | |
returns ( | |
uint256, | |
uint256, | |
uint256 | |
) | |
{ | |
uint256 tFee = calculateTaxFee(tAmount); | |
uint256 tLiquidity = calculateLiquidityFee(tAmount); | |
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity); | |
return (tTransferAmount, tFee, tLiquidity); | |
} | |
function _getRValues( | |
uint256 tAmount, | |
uint256 tFee, | |
uint256 tLiquidity, | |
uint256 currentRate | |
) | |
private | |
pure | |
returns ( | |
uint256, | |
uint256, | |
uint256 | |
) | |
{ | |
uint256 rAmount = tAmount.mul(currentRate); | |
uint256 rFee = tFee.mul(currentRate); | |
uint256 rLiquidity = tLiquidity.mul(currentRate); | |
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity); | |
return (rAmount, rTransferAmount, rFee); | |
} | |
function _getRate() private view returns (uint256) { | |
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); | |
return rSupply.div(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); | |
} | |
function _takeLiquidity(uint256 tLiquidity) private { | |
uint256 currentRate = _getRate(); | |
uint256 rLiquidity = tLiquidity.mul(currentRate); | |
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); | |
if (_isExcluded[address(this)]) | |
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); | |
} | |
function _takeTaxFee(uint256 tFee) private { | |
uint256 currentRate = _getRate(); | |
uint256 rFee = tFee.mul(currentRate); | |
_rOwned[address(this)] = _rOwned[address(this)].add(rFee); | |
if (_isExcluded[address(this)]) | |
_tOwned[address(this)] = _tOwned[address(this)].add(rFee); | |
} | |
function calculateTaxFee(uint256 _amount) private view returns (uint256) { | |
return _amount.mul(_taxFee).div(10**2); | |
} | |
function calculateLiquidityFee(uint256 _amount) | |
private | |
view | |
returns (uint256) | |
{ | |
return _amount.mul(_liquidityFee).div(10**2); | |
} | |
function removeAllFee() private { | |
if (_taxFee == 0 && _liquidityFee == 0) return; | |
_previousTaxFee = _taxFee; | |
_previousLiquidityFee = _liquidityFee; | |
_taxFee = 0; | |
_liquidityFee = 0; | |
} | |
function restoreAllFee() private { | |
_taxFee = _previousTaxFee; | |
_liquidityFee = _previousLiquidityFee; | |
} | |
function isExcludedFromFee(address account) public view returns (bool) { | |
return _isExcludedFromFee[account]; | |
} | |
function excludeFromFee(address account) public onlyOwner { | |
_isExcludedFromFee[account] = true; | |
} | |
function includeInFee(address account) public onlyOwner { | |
_isExcludedFromFee[account] = false; | |
} | |
function setTaxFeePercent(uint256 taxFee) external onlyOwner { | |
_taxFee = taxFee; | |
} | |
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner { | |
_liquidityFee = liquidityFee; | |
} | |
function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner { | |
_maxTxAmount = maxTxAmount; | |
} | |
function setNumTokensToAddToLiquidity(uint256 _minimumTokensBeforeSwap) | |
external | |
onlyOwner | |
{ | |
minimumTokensBeforeSwap = _minimumTokensBeforeSwap; | |
} | |
function setcharityAddress(address _charityAddress) external onlyOwner { | |
charityAddress = payable(_charityAddress); | |
} | |
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { | |
swapAndLiquifyEnabled = _enabled; | |
emit SwapAndLiquifyEnabledUpdated(_enabled); | |
} | |
function transferToAddressETH(address payable recipient, uint256 amount) | |
private | |
{ | |
recipient.transfer(amount); | |
} | |
// Anyswap | |
modifier onlyAuth() { | |
require(isMinter[msg.sender], "AW: FORBIDDEN"); | |
_; | |
} | |
function setMinter(address _auth) public onlyOwner { | |
require(_auth != address(0), "AW: address(0)"); | |
isMinter[_auth] = true; | |
} | |
// // No time delay revoke minter emergency function | |
// function revokeMinter(address _auth) public onlyOwner { | |
// isMinter[_auth] = false; | |
// } | |
function mint(address to, uint256 amount) external onlyAuth returns (bool) { | |
require(to != address(0), "Mint to address(0)"); | |
_tokenTransfer(address(this), to, amount, false); | |
return true; | |
} | |
function burn(address from, uint256 amount) external onlyAuth returns (bool) { | |
require(from != address(0), "Burn address(0)"); | |
uint256 balance = balanceOf(from); | |
require(balance >= amount, "Exceeds balance"); | |
_tokenTransfer(from, address(this), amount, false); | |
return true; | |
} | |
//to recieve ETH from uniswapV2Router when swaping | |
receive() external payable {} | |
} |
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