Good Evening , im stuck and going in circles because i dont know where the fees are going. Do i have to set up in bscscan at write contract the fees ?
Here`s my contract
pragma solidity ^0.7.4;
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;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender)
external
view
returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
interface InterfaceLP {
function sync() external;
}
abstract contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(
string memory name,
string memory symbol,
uint8 decimals
) {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
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;
}
}
library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
function mul(int256 a, int256 b) internal pure returns (int256) {
int256 c = a * b;
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
function div(int256 a, int256 b) internal pure returns (int256) {
require(b != -1 || a != MIN_INT256);
return a / b;
}
function sub(int256 a, int256 b) internal pure returns (int256) {
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
function add(int256 a, int256 b) internal pure returns (int256) {
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
function abs(int256 a) internal pure returns (int256) {
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
}
contract Ownable {
address private _owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
_owner = msg.sender;
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(isOwner());
_;
}
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(_owner);
_owner = address(0);
}
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
interface IDEXRouter {
function factory() external pure returns (address);
function WETH() external pure 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 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 MCC is ERC20Detailed, Ownable {
using SafeMath for uint256;
using SafeMathInt for int256;
event LogRebase(uint256 indexed epoch, uint256 totalSupply);
address public master;
InterfaceLP public pairContract;
modifier onlyMaster() {
require(msg.sender == master);
_;
}
bool public initialDistributionFinished;
mapping(address => bool) allowTransfer;
mapping(address => bool) _isFeeExempt;
mapping(address => bool) _isMaxWalletExempt;
modifier initialDistributionLock() {
require(
initialDistributionFinished ||
isOwner() ||
allowTransfer[msg.sender]
);
_;
}
modifier validRecipient(address to) {
require(to != address(0x0));
_;
}
uint256 private constant DECIMALS = 9;
uint256 private constant MAX_UINT256 = ~uint256(0);
uint256 private constant INITIAL_FRAGMENTS_SUPPLY = 10**15 * 10**DECIMALS;
uint256 public gonMaxWallet = TOTAL_GONS.div(100).mul(5);
uint256 public ecosystemFee = 1;
uint256 public liquidityFee = 3;
uint256 public marketingFee = 4;
uint256 public buyBackFee = 2;
uint256 public totalFee =
ecosystemFee.add(liquidityFee).add(marketingFee).add(buyBackFee);
uint256 public feeDenominator = 100;
address DEAD = 0x000000000000000000000000000000000000dEaD;
address ZERO = 0x0000000000000000000000000000000000000000;
address public autoLiquidityReceiver;
address public marketingFeeReceiver;
address public ecosystemFeeReceiver;
address public buyBackFeeReceiver;
uint256 targetLiquidity = 50;
uint256 targetLiquidityDenominator = 100;
IDEXRouter public router;
address public pair;
bool public swapEnabled = true;
uint256 private gonSwapThreshold = (TOTAL_GONS * 10) / 10000;
bool inSwap;
modifier swapping() {
inSwap = true;
_;
inSwap = false;
}
uint256 private constant TOTAL_GONS =
MAX_UINT256 - (MAX_UINT256 % INITIAL_FRAGMENTS_SUPPLY);
uint256 private constant MAX_SUPPLY = ~uint128(0);
uint256 private _totalSupply;
uint256 private _gonsPerFragment;
mapping(address => uint256) private _gonBalances;
mapping(address => mapping(address => uint256)) private _allowedFragments;
function rebase(uint256 epoch, int256 supplyDelta)
external
onlyMaster
returns (uint256)
{
require(!inSwap, "Try again");
if (supplyDelta == 0) {
emit LogRebase(epoch, _totalSupply);
return _totalSupply;
}
if (supplyDelta < 0) {
_totalSupply = _totalSupply.sub(uint256(-supplyDelta));
} else {
_totalSupply = _totalSupply.add(uint256(supplyDelta));
}
if (_totalSupply > MAX_SUPPLY) {
_totalSupply = MAX_SUPPLY;
}
_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
pairContract.sync();
emit LogRebase(epoch, _totalSupply);
return _totalSupply;
}
constructor() ERC20Detailed("MetaFluture", "MFE", uint8(DECIMALS)) {
router = IDEXRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E); //Sushi 0xeC6F73267ab491dE521f54C0295AE5Bf372f2e1f // Cake 0x10ED43C718714eb63d5aA57B78B54704E256024E
pair = IDEXFactory(router.factory()).createPair(
router.WETH(),
address(this)
);
_allowedFragments[address(this)][address(router)] = uint256(-1);
pairContract = InterfaceLP(pair);
_totalSupply = INITIAL_FRAGMENTS_SUPPLY;
_gonBalances[msg.sender] = TOTAL_GONS;
_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
initialDistributionFinished = false;
_isFeeExempt[msg.sender] = true;
_isFeeExempt[address(this)] = true;
_isMaxWalletExempt[pair] = true;
_isMaxWalletExempt[DEAD] = true;
_isMaxWalletExempt[address(this)] = true;
_isMaxWalletExempt[msg.sender] = true;
autoLiquidityReceiver = Wallet1;
marketingFeeReceiver = Wallet2;
ecosystemFeeReceiver = Wallet3;
buyBackFeeReceiver = Wallet4;
emit Transfer(address(0x0), msg.sender, _totalSupply);
}
function setMaster(address _master) external onlyOwner {
master = _master;
}
function setLP(address _address) external onlyOwner {
pairContract = InterfaceLP(_address);
_isFeeExempt[_address];
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address who) external view override returns (uint256) {
return _gonBalances[who].div(_gonsPerFragment);
}
function transfer(address to, uint256 value)
external
override
validRecipient(to)
initialDistributionLock
returns (bool)
{
_transferFrom(msg.sender, to, value);
return true;
}
function allowance(address owner_, address spender)
external
view
override
returns (uint256)
{
return _allowedFragments[owner_][spender];
}
function transferFrom(
address from,
address to,
uint256 value
) external override validRecipient(to) returns (bool) {
if (_allowedFragments[from][msg.sender] != uint256(-1)) {
_allowedFragments[from][msg.sender] = _allowedFragments[from][
msg.sender
].sub(value, "Insufficient Allowance");
}
_transferFrom(from, to, value);
return true;
}
function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
if (inSwap) {
return _basicTransfer(sender, recipient, amount);
}
uint256 gonAmount = amount.mul(_gonsPerFragment);
if (sender != owner() && !_isMaxWalletExempt[recipient]) {
uint256 heldGonBalance = _gonBalances[recipient];
require(
(heldGonBalance + gonAmount) <= gonMaxWallet,
"Total Holding is currently limited, you can not buy that much."
);
}
if (shouldSwapBack()) {
swapBack();
}
_gonBalances[sender] = _gonBalances[sender].sub(gonAmount);
uint256 gonAmountReceived = shouldTakeFee(sender)
? takeFee(sender, gonAmount)
: gonAmount;
_gonBalances[recipient] = _gonBalances[recipient].add(
gonAmountReceived
);
emit Transfer(
sender,
recipient,
gonAmountReceived.div(_gonsPerFragment)
);
return true;
}
function _basicTransfer(
address from,
address to,
uint256 amount
) internal returns (bool) {
uint256 gonAmount = amount.mul(_gonsPerFragment);
_gonBalances[from] = _gonBalances[from].sub(gonAmount);
_gonBalances[to] = _gonBalances[to].add(gonAmount);
return true;
}
function takeFee(address sender, uint256 gonAmount)
internal
returns (uint256)
{
uint256 feeAmount = gonAmount.mul(totalFee).div(feeDenominator);
_gonBalances[address(this)] = _gonBalances[address(this)].add(
feeAmount
);
emit Transfer(sender, address(this), feeAmount.div(_gonsPerFragment));
return gonAmount.sub(feeAmount);
}
function swapBack() internal swapping {
uint256 dynamicLiquidityFee = isOverLiquified(
targetLiquidity,
targetLiquidityDenominator
)
? 0
: liquidityFee;
uint256 contractTokenBalance = _gonBalances[address(this)].div(
_gonsPerFragment
);
uint256 amountToLiquify = contractTokenBalance
.mul(dynamicLiquidityFee)
.div(totalFee)
.div(2);
uint256 amountToSwap = contractTokenBalance.sub(amountToLiquify);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
uint256 balanceBefore = address(this).balance;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountETH = address(this).balance.sub(balanceBefore);
uint256 totalETHFee = totalFee.sub(dynamicLiquidityFee.div(2));
uint256 amountETHLiquidity = amountETH
.mul(dynamicLiquidityFee)
.div(totalETHFee)
.div(2);
uint256 amountETHBuyBack = amountETH.mul(buyBackFee).div(totalETHFee);
uint256 amountETHMarketing = amountETH.mul(marketingFee).div(
totalETHFee
);
uint256 amountETHEco = amountETH.mul(ecosystemFee).div(totalETHFee);
(bool success, ) = payable(marketingFeeReceiver).call{
value: amountETHMarketing,
gas: 30000
}("");
(success, ) = payable(buyBackFeeReceiver).call{
value: amountETHBuyBack,
gas: 30000
}("");
(success, ) = payable(ecosystemFeeReceiver).call{
value: amountETHEco,
gas: 30000
}("");
success = false;
if (amountToLiquify > 0) {
router.addLiquidityETH{value: amountETHLiquidity}(
address(this),
amountToLiquify,
0,
0,
autoLiquidityReceiver,
block.timestamp
);
}
}
function approve(address spender, uint256 value)
external
override
initialDistributionLock
returns (bool)
{
_allowedFragments[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
external
initialDistributionLock
returns (bool)
{
_allowedFragments[msg.sender][spender] = _allowedFragments[msg.sender][
spender
].add(addedValue);
emit Approval(
msg.sender,
spender,
_allowedFragments[msg.sender][spender]
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
external
initialDistributionLock
returns (bool)
{
uint256 oldValue = _allowedFragments[msg.sender][spender];
if (subtractedValue >= oldValue) {
_allowedFragments[msg.sender][spender] = 0;
} else {
_allowedFragments[msg.sender][spender] = oldValue.sub(
subtractedValue
);
}
emit Approval(
msg.sender,
spender,
_allowedFragments[msg.sender][spender]
);
return true;
}
function setInitialDistributionFinished() external onlyOwner {
initialDistributionFinished = true;
}
function enableTransfer(address _addr) external onlyOwner {
allowTransfer[_addr] = true;
}
function setFeeExempt(address _addr) external onlyOwner {
_isFeeExempt[_addr] = true;
}
function checkFeeExempt(address _addr) external view returns (bool) {
return _isFeeExempt[_addr];
}
function setMaxWalletExempt(address _addr) external onlyOwner {
_isMaxWalletExempt[_addr] = true;
}
function checkMaxWalletExempt(address _addr) external view returns (bool) {
return _isMaxWalletExempt[_addr];
}
function setMaxWalletToken(uint256 _num, uint256 _denom)
external
onlyOwner
{
gonMaxWallet = TOTAL_GONS.div(_denom).mul(_num);
}
function checkMaxWalletToken() external view returns (uint256) {
return gonMaxWallet.div(_gonsPerFragment);
}
function shouldTakeFee(address from) internal view returns (bool) {
return !_isFeeExempt[from];
}
function shouldSwapBack() internal view returns (bool) {
return
msg.sender != pair &&
!inSwap &&
swapEnabled &&
_gonBalances[address(this)] >= gonSwapThreshold;
}
function setSwapBackSettings(
bool _enabled,
uint256 _num,
uint256 _denom
) external onlyOwner {
swapEnabled = _enabled;
gonSwapThreshold = TOTAL_GONS.div(_denom).mul(_num);
}
function setTargetLiquidity(uint256 target, uint256 accuracy) external onlyOwner {
targetLiquidity = target;
targetLiquidityDenominator = accuracy;
}
function isNotInSwap() external view returns (bool) {
return !inSwap;
}
function checkSwapThreshold() external view returns (uint256) {
return gonSwapThreshold.div(_gonsPerFragment);
}
function manualSync() external {
InterfaceLP(pair).sync();
}
function setFees(
uint256 _ecosystemFee,
uint256 _liquidityFee,
uint256 _buyBackFee,
uint256 _marketingFee,
uint256 _feeDenominator
) external onlyOwner {
ecosystemFee = _ecosystemFee;
liquidityFee = _liquidityFee;
buyBackFee = _buyBackFee;
marketingFee = _marketingFee;
totalFee = ecosystemFee.add(liquidityFee).add(marketingFee).add(buyBackFee);
feeDenominator = _feeDenominator;
require(totalFee < feeDenominator / 4);
}
function setFeeReceivers(
address _autoLiquidityReceiver,
address _ecosystemFeeReceiver,
address _marketingFeeReceiver,
address _buyBackFeeReceiver
) external onlyOwner {
autoLiquidityReceiver = _autoLiquidityReceiver;
ecosystemFeeReceiver = _ecosystemFeeReceiver;
marketingFeeReceiver = _marketingFeeReceiver;
buyBackFeeReceiver = _buyBackFeeReceiver;
}
function rescueToken(address tokenAddress, uint256 tokens)
public
onlyOwner
returns (bool success)
{
return ERC20Detailed(tokenAddress).transfer(msg.sender, tokens);
}
function clearStuckBalance(uint256 amountPercentage, address adr) external onlyOwner {
uint256 amountETH = address(this).balance;
payable(adr).transfer(
(amountETH * amountPercentage) / 100
);
}
function transferToAddressETH(address payable recipient, uint256 amount)
private
{
recipient.transfer(amount);
}
function getCirculatingSupply() public view returns (uint256) {
return
(TOTAL_GONS.sub(_gonBalances[DEAD]).sub(_gonBalances[ZERO])).div(
_gonsPerFragment
);
}
function sendPresale(address[] calldata recipients, uint256[] calldata values)
external
onlyOwner
{
for (uint256 i = 0; i < recipients.length; i++) {
_transferFrom(msg.sender, recipients[i], values[i]);
}
}
function getLiquidityBacking(uint256 accuracy)
public
view
returns (uint256)
{
uint256 liquidityBalance = _gonBalances[pair].div(_gonsPerFragment);
return
accuracy.mul(liquidityBalance.mul(2)).div(getCirculatingSupply());
}
function isOverLiquified(uint256 target, uint256 accuracy)
public
view
returns (bool)
{
return getLiquidityBacking(accuracy) > target;
}
receive() external payable {}
}