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BNBBACK Token

About BNBBACK

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Laser Scorebeta Last Audit: 5 February 2022

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Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

Reentrancy in BNBBACK._transfer(address,address,uint256) (#1515-1593):
External calls:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
- swapAndSendMarketingBNB() (#1544)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(marketingTokens,0,path,marketingWallet,block.timestamp) (#1660-1666)
External calls sending eth:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1575)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#948)
- _balances[recipient] = _balances[recipient].add(amount) (#949)
- super._transfer(from,to,amount) (#1578)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#948)
- _balances[recipient] = _balances[recipient].add(amount) (#949)
- countBNBRewardsFee += BNBRewardsFeeAmount (#1569)
- countLiquidityFees += liquidityFeeAmount (#1568)
- swapping = false (#1546)
Reentrancy in DividendPayingToken._withdrawDividendOfUser(address) (#1114-1130):
External calls:
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1119)
State variables written after the call(s):
- withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend) (#1122)
Reentrancy in BNBBACK.swapAndLiquify(uint256) (#1602-1624):
External calls:
- swapTokensForEth(half) (#1614)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- addLiquidity(otherHalf,newBalance) (#1620)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1620)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
State variables written after the call(s):
- countLiquidityFees -= otherHalf (#1621)
Apply the check-effects-interactions pattern.

Additional information: link

Context._msgData() (#123-126) is never used and should be removed
DividendPayingToken._transfer(address,address,uint256) (#1170-1176) is never used and should be removed
SafeMath.mod(uint256,uint256) (#305-307) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#321-324) is never used and should be removed
SafeMathInt.abs(int256) (#454-457) is never used and should be removed
SafeMathInt.div(int256,int256) (#425-431) is never used and should be removed
SafeMathInt.mul(int256,int256) (#413-420) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.6.2 (#3) allows old versions
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

Additional information: link

Low level call in DividendPayingToken._withdrawDividendOfUser(address) (#1114-1130):
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1119)
Low level call in BNBBACK.swapAndSendDividends(uint256) (#1688-1698):
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Reentrancy in BNBBACK.updateDividendTracker(address) (#1349-1365):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1356)
- newDividendTracker.excludeFromDividends(address(this)) (#1357)
- newDividendTracker.excludeFromDividends(owner()) (#1358)
- newDividendTracker.excludeFromDividends(deadWallet) (#1359)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1360)
State variables written after the call(s):
- dividendTracker = newDividendTracker (#1364)
Apply the check-effects-interactions pattern.

Additional information: link

BNBBACK._transfer(address,address,uint256).iterations (#1586) is a local variable never initialized
BNBBACK._transfer(address,address,uint256).claims (#1586) is a local variable never initialized
BNBBACK._transfer(address,address,uint256).lastProcessedIndex (#1586) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

BNBBACK.claim() (#1503-1505) ignores return value by dividendTracker.processAccount(msg.sender,false) (#1504)
BNBBACK._transfer(address,address,uint256) (#1515-1593) ignores return value by dividendTracker.process(gas) (#1586-1591)
BNBBACK.addLiquidity(uint256,uint256) (#1671-1686) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
Ensure that all the return values of the function calls are used.

Additional information: link

DividendPayingToken.constructor(string,string)._name (#1071) shadows:
- ERC20._name (#770) (state variable)
DividendPayingToken.constructor(string,string)._symbol (#1071) shadows:
- ERC20._symbol (#771) (state variable)
Rename the local variables that shadow another component.

Additional information: link

BNBBACK.setBuyFees(uint8,uint8,uint8) (#1428-1439) should emit an event for:
- BNBRewardsBuyFee = newBNBRewardsBuyFee (#1434)
- marketingBuyFee = newMarketingBuyFee (#1435)
- liquidityBuyFee = newLiquidityBuyFee (#1436)
BNBBACK.setSellFees(uint8,uint8,uint8) (#1441-1450) should emit an event for:
- BNBRewardsSellFee = newBNBRewardsSellFee (#1445)
- marketingSellFee = newMarketingSellFee (#1446)
- liquiditySellFee = newLiquiditySellFee (#1447)
Emit an event for critical parameter changes.

Additional information: link

DividendPayingToken._withdrawDividendOfUser(address) (#1114-1130) has external calls inside a loop: (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1119)
Favor pull over push strategy for external calls.

Additional information: link

Variable 'BNBBACK._transfer(address,address,uint256).iterations (#1586)' in BNBBACK._transfer(address,address,uint256) (#1515-1593) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1587)
Variable 'BNBBACK._transfer(address,address,uint256).lastProcessedIndex (#1586)' in BNBBACK._transfer(address,address,uint256) (#1515-1593) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1587)
Variable 'BNBBACK._transfer(address,address,uint256).claims (#1586)' in BNBBACK._transfer(address,address,uint256) (#1515-1593) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1587)
Move all variable declarations prior to any usage of the variable, and ensure that reaching a variable declaration does not depend on some conditional if it is used unconditionally.

Additional information: link

Reentrancy in BNBBACK._transfer(address,address,uint256) (#1515-1593):
External calls:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
External calls sending eth:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
State variables written after the call(s):
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- _allowances[owner][spender] = amount (#1014)
Reentrancy in BNBBACK._transfer(address,address,uint256) (#1515-1593):
External calls:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
- swapAndSendMarketingBNB() (#1544)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(marketingTokens,0,path,marketingWallet,block.timestamp) (#1660-1666)
External calls sending eth:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
State variables written after the call(s):
- BNBRewardsFeeAmount = amount.mul(BNBRewardsFee).div(100) (#1554)
- swapAndSendMarketingBNB() (#1544)
- _allowances[owner][spender] = amount (#1014)
- liquidityFeeAmount = amount.mul(LiquidityFee).div(100) (#1555)
- marketingFeeAmount = amount.mul(MarketingFee).div(100) (#1556)
Reentrancy in BNBBACK.constructor() (#1293-1343):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1317-1318)
State variables written after the call(s):
- uniswapV2Pair = _uniswapV2Pair (#1321)
- uniswapV2Router = _uniswapV2Router (#1320)
Reentrancy in BNBBACK.constructor() (#1293-1343):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1317-1318)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1323)
- dividendTracker.excludeFromDividends(pair) (#1403)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#1328)
- dividendTracker.excludeFromDividends(address(this)) (#1329)
- dividendTracker.excludeFromDividends(deadWallet) (#1330)
- dividendTracker.excludeFromDividends(address(_uniswapV2Router)) (#1331)
State variables written after the call(s):
- _mint(owner(),1000000000 * (10 ** 18)) (#1342)
- _balances[account] = _balances[account].add(amount) (#968)
- excludeFromFees(owner(),true) (#1335)
- _isExcludedFromFees[account] = excluded (#1378)
- excludeFromFees(address(this),true) (#1336)
- _isExcludedFromFees[account] = excluded (#1378)
- _mint(owner(),1000000000 * (10 ** 18)) (#1342)
- _totalSupply = _totalSupply.add(amount) (#967)
Reentrancy in BNBBACKDividendTracker.processAccount(address,bool) (#1901-1911):
External calls:
- amount = _withdrawDividendOfUser(account) (#1902)
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1119)
State variables written after the call(s):
- lastClaimTimes[account] = block.timestamp (#1905)
Reentrancy in BNBBACK.swapAndLiquify(uint256) (#1602-1624):
External calls:
- swapTokensForEth(half) (#1614)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
State variables written after the call(s):
- countLiquidityFees -= half (#1615)
Reentrancy in BNBBACK.swapAndLiquify(uint256) (#1602-1624):
External calls:
- swapTokensForEth(half) (#1614)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- addLiquidity(otherHalf,newBalance) (#1620)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1620)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#1620)
- _allowances[owner][spender] = amount (#1014)
Reentrancy in BNBBACK.swapAndSendDividends(uint256) (#1688-1698):
External calls:
- swapTokensForEth(tokens) (#1689)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
State variables written after the call(s):
- countBNBRewardsFee -= tokens (#1690)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in BNBBACK._setAutomatedMarketMakerPair(address,bool) (#1398-1407):
External calls:
- dividendTracker.excludeFromDividends(pair) (#1403)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(pair,value) (#1406)
Reentrancy in BNBBACK._transfer(address,address,uint256) (#1515-1593):
External calls:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
External calls sending eth:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1015)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- SendDividends(tokens,dividends) (#1696)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
Reentrancy in BNBBACK._transfer(address,address,uint256) (#1515-1593):
External calls:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
- swapAndSendMarketingBNB() (#1544)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(marketingTokens,0,path,marketingWallet,block.timestamp) (#1660-1666)
External calls sending eth:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1015)
- swapAndSendMarketingBNB() (#1544)
- Transfer(sender,recipient,amount) (#950)
- super._transfer(from,address(this),fees) (#1575)
- Transfer(sender,recipient,amount) (#950)
- super._transfer(from,to,amount) (#1578)
Reentrancy in BNBBACK._transfer(address,address,uint256) (#1515-1593):
External calls:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
- swapAndSendMarketingBNB() (#1544)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(marketingTokens,0,path,marketingWallet,block.timestamp) (#1660-1666)
- dividendTracker.setBalance(address(from),balanceOf(from)) (#1580)
- dividendTracker.setBalance(address(to),balanceOf(to)) (#1581)
- dividendTracker.process(gas) (#1586-1591)
External calls sending eth:
- swapAndLiquify(countLiquidityFees) (#1542)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
- swapAndSendDividends(countBNBRewardsFee) (#1543)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1587)
Reentrancy in BNBBACK.constructor() (#1293-1343):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1317-1318)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1323)
- dividendTracker.excludeFromDividends(pair) (#1403)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(pair,value) (#1406)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1323)
Reentrancy in BNBBACK.constructor() (#1293-1343):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1317-1318)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1323)
- dividendTracker.excludeFromDividends(pair) (#1403)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#1328)
- dividendTracker.excludeFromDividends(address(this)) (#1329)
- dividendTracker.excludeFromDividends(deadWallet) (#1330)
- dividendTracker.excludeFromDividends(address(_uniswapV2Router)) (#1331)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (#1380)
- excludeFromFees(owner(),true) (#1335)
- ExcludeFromFees(account,excluded) (#1380)
- excludeFromFees(address(this),true) (#1336)
- Transfer(address(0),account,amount) (#969)
- _mint(owner(),1000000000 * (10 ** 18)) (#1342)
Reentrancy in BNBBACKDividendTracker.processAccount(address,bool) (#1901-1911):
External calls:
- amount = _withdrawDividendOfUser(account) (#1902)
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1119)
Event emitted after the call(s):
- Claim(account,amount,automatic) (#1906)
Reentrancy in BNBBACK.processDividendTracker(uint256) (#1498-1501):
External calls:
- (iterations,claims,lastProcessedIndex) = dividendTracker.process(gas) (#1499)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,false,gas,tx.origin) (#1500)
Reentrancy in BNBBACK.swapAndLiquify(uint256) (#1602-1624):
External calls:
- swapTokensForEth(half) (#1614)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- addLiquidity(otherHalf,newBalance) (#1620)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1620)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1677-1684)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1015)
- addLiquidity(otherHalf,newBalance) (#1620)
- SwapAndLiquify(half,newBalance,otherHalf) (#1623)
Reentrancy in BNBBACK.swapAndSendDividends(uint256) (#1688-1698):
External calls:
- swapTokensForEth(tokens) (#1689)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1637-1643)
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
External calls sending eth:
- (success) = address(dividendTracker).call{value: dividends}() (#1693)
Event emitted after the call(s):
- SendDividends(tokens,dividends) (#1696)
Reentrancy in BNBBACK.updateDividendTracker(address) (#1349-1365):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1356)
- newDividendTracker.excludeFromDividends(address(this)) (#1357)
- newDividendTracker.excludeFromDividends(owner()) (#1358)
- newDividendTracker.excludeFromDividends(deadWallet) (#1359)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1360)
Event emitted after the call(s):
- UpdateDividendTracker(newAddress,address(dividendTracker)) (#1362)
Apply the check-effects-interactions pattern.

Additional information: link

BNBBACKDividendTracker.getAccount(address) (#1765-1808) uses timestamp for comparisons
Dangerous comparisons:
- nextClaimTime > block.timestamp (#1805-1807)
BNBBACKDividendTracker.canAutoClaim(uint256) (#1829-1835) uses timestamp for comparisons
Dangerous comparisons:
- lastClaimTime > block.timestamp (#1830)
- block.timestamp.sub(lastClaimTime) >= claimWait (#1834)
Avoid relying on block.timestamp.

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#545) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#546) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#563) is not in mixedCase
Function IUniswapV2Router01.WETH() (#602) is not in mixedCase
Parameter DividendPayingToken.dividendOf(address)._owner (#1136) is not in mixedCase
Parameter DividendPayingToken.withdrawableDividendOf(address)._owner (#1143) is not in mixedCase
Parameter DividendPayingToken.withdrawnDividendOf(address)._owner (#1150) is not in mixedCase
Parameter DividendPayingToken.accumulativeDividendOf(address)._owner (#1160) is not in mixedCase
Constant DividendPayingToken.magnitude (#1051) is not in UPPER_CASE_WITH_UNDERSCORES
Event BNBBACKmarketingWalletUpdated(address,address) (#1260) is not in CapWords
Variable BNBBACK.BNBRewardsBuyFee (#1233) is not in mixedCase
Variable BNBBACK.BNBRewardsSellFee (#1234) is not in mixedCase
Variable BNBBACK.BNBRewardsFeeAmount (#1245) is not in mixedCase
Parameter BNBBACKDividendTracker.updateMinimumTokenBalanceForDividends(uint256)._newMinimumBalance (#1734) is not in mixedCase
Parameter BNBBACKDividendTracker.getAccount(address)._account (#1765) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#124)" inContext (#118-127)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#607) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#608)
Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (#1115) is too similar to BNBBACKDividendTracker.getAccount(address).withdrawableDividends (#1770)
Prevent variables from having similar names.

Additional information: link

BNBBACK.constructor() (#1293-1343) uses literals with too many digits:
- _mint(owner(),1000000000 * (10 ** 18)) (#1342)
BNBBACK.updateGasForProcessing(uint256) (#1417-1422) uses literals with too many digits:
- require(bool,string)(newValue >= 200000 && newValue <= 500000,BNBBACK: gasForProcessing must be between 200,000 and 500,000) (#1418)
BNBBACK.slitherConstructorVariables() (#1213-1699) uses literals with too many digits:
- deadWallet = 0x000000000000000000000000000000000000dEaD (#1218)
BNBBACK.slitherConstructorVariables() (#1213-1699) uses literals with too many digits:
- swapTokensAtAmount = 200000 * (10 ** 18) (#1229)
BNBBACK.slitherConstructorVariables() (#1213-1699) uses literals with too many digits:
- gasForProcessing = 300000 (#1251)
BNBBACKDividendTracker.getAccountAtIndex(uint256) (#1810-1827) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0,0,0) (#1821)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (#408) is never used in SafeMathInt (#406-464)
Remove unused state variables.

Additional information: link

BNBBACK.deadWallet (#1218) should be constant
BNBBACK.swapTokensAtAmount (#1229) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#167-170)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#176-180)
get(IterableMapping.Map,address) should be declared external:
- IterableMapping.get(IterableMapping.Map,address) (#336-338)
getIndexOfKey(IterableMapping.Map,address) should be declared external:
- IterableMapping.getIndexOfKey(IterableMapping.Map,address) (#340-345)
getKeyAtIndex(IterableMapping.Map,uint256) should be declared external:
- IterableMapping.getKeyAtIndex(IterableMapping.Map,uint256) (#347-349)
size(IterableMapping.Map) should be declared external:
- IterableMapping.size(IterableMapping.Map) (#353-355)
name() should be declared external:
- ERC20.name() (#790-792)
symbol() should be declared external:
- ERC20.symbol() (#798-800)
decimals() should be declared external:
- ERC20.decimals() (#815-817)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#841-844)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#849-851)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#860-863)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#878-886)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#900-903)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#919-922)
withdrawDividend() should be declared external:
- BNBBACKDividendTracker.withdrawDividend() (#1730-1732)
- DividendPayingToken.withdrawDividend() (#1108-1110)
dividendOf(address) should be declared external:
- DividendPayingToken.dividendOf(address) (#1136-1138)
withdrawnDividendOf(address) should be declared external:
- DividendPayingToken.withdrawnDividendOf(address) (#1150-1152)
updateDividendTracker(address) should be declared external:
- BNBBACK.updateDividendTracker(address) (#1349-1365)
excludeMultipleAccountsFromFees(address[],bool) should be declared external:
- BNBBACK.excludeMultipleAccountsFromFees(address[],bool) (#1383-1389)
setAutomatedMarketMakerPair(address,bool) should be declared external:
- BNBBACK.setAutomatedMarketMakerPair(address,bool) (#1392-1396)
updateLiquidityWallet(address) should be declared external:
- BNBBACK.updateLiquidityWallet(address) (#1410-1415)
updateGasForProcessing(uint256) should be declared external:
- BNBBACK.updateGasForProcessing(uint256) (#1417-1422)
isExcludedFromFees(address) should be declared external:
- BNBBACK.isExcludedFromFees(address) (#1460-1462)
withdrawableDividendOf(address) should be declared external:
- BNBBACK.withdrawableDividendOf(address) (#1464-1466)
dividendTokenBalanceOf(address) should be declared external:
- BNBBACK.dividendTokenBalanceOf(address) (#1468-1470)
updatemarketingWallet(address) should be declared external:
- BNBBACK.updatemarketingWallet(address) (#1595-1599)
getAccountAtIndex(uint256) should be declared external:
- BNBBACKDividendTracker.getAccountAtIndex(uint256) (#1810-1827)
process(uint256) should be declared external:
- BNBBACKDividendTracker.process(uint256) (#1854-1899)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.


Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive.


Unable to find Telegram and Twitter accounts

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Unable to find website, listings and other project-related information


Young tokens have high risks of scam / price dump / death


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank

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