BEND [The Bend] Token

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

BEND.addLiquidity(uint256,uint256) (#2097-2110) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
BEND.swapAndSendDividends(uint256) (#2123-2159) sends eth to arbitrary user
Dangerous calls:
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
BENDDividendTracker._reinvestDividendOfUser(address) (#2508-2562) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,address(this),block.timestamp) (#2527-2549)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in BENDDividendTracker._reinvestDividendOfUser(address) (#2508-2562):
External calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,address(this),block.timestamp) (#2527-2549)
- bend.transfer(account,received) (#2543)
External calls sending eth:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,address(this),block.timestamp) (#2527-2549)
State variables written after the call(s):
- withdrawnDividends[account] = withdrawnDividends[account].sub(_withdrawableDividend) (#2552-2554)
Reentrancy in BEND._transfer(address,address,uint256) (#1893-2022):
External calls:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- swapAndSendDividends(remainingBalance) (#1980)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- swapAndSendDividends(remainingBalance) (#1980)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1998)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#561-564)
- _balances[recipient] = _balances[recipient].add(amount) (#565)
- buyAmount = 0 (#1982)
- buyAmount = buyAmount.add(fees) (#1995)
- sellAmount = 0 (#1983)
- sellAmount = sellAmount.add(fees) (#1993)
- swapping = false (#1985)
Reentrancy in BEND._transfer(address,address,uint256) (#1893-2022):
External calls:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- swapAndSendDividends(remainingBalance) (#1980)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
- dividendTracker.process(gas) (#2002-2015)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- swapAndSendDividends(remainingBalance) (#1980)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
State variables written after the call(s):
- super._transfer(from,to,amount) (#2018)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#561-564)
- _balances[recipient] = _balances[recipient].add(amount) (#565)
Reentrancy in DividendPayingToken._withdrawDividendOfUser(address) (#1276-1303):
External calls:
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1287-1290)
State variables written after the call(s):
- withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend) (#1293-1295)
Reentrancy in BENDDividendTracker._withdrawDividendOfUser(address) (#2565-2625):
External calls:
- (success,None) = user.call{gas: 3000,value: _withdrawableDividend}() (#2585-2588)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,user,block.timestamp) (#2595-2609)
State variables written after the call(s):
- withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend) (#2613-2615)
Reentrancy in BEND.forceSwapAndSendDividends(uint256) (#2112-2121):
External calls:
- swapAndSendDividends(tokens) (#2117)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
External calls sending eth:
- swapAndSendDividends(tokens) (#2117)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
State variables written after the call(s):
- buyAmount = buyAmount.sub(fromBuy) (#2119)
- sellAmount = sellAmount.sub(fromSell) (#2120)
Apply the check-effects-interactions pattern.

Additional information: link

BENDDividendTracker._reinvestDividendOfUser(address) (#2508-2562) ignores return value by bend.transfer(account,received) (#2543)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Combination 1: Reentrancy vulnerabilities + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

Combination 2: Unchecked transfer + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

Combination 3: Reentrancy vulnerabilities + Unchecked transfer vulnerability. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

Contract ownership is not renounced (belongs to a wallet)

BEND.updateFees(uint256,uint256,uint256,uint256,uint256) (#1748-1777) contains a tautology or contradiction:
- require(bool,string)(BENDRewardsBuyTax >= 0 && BENDRewardsBuyTax <= 10,BENDreward fees must be between 0 and 10) (#1758-1761)
BEND.updateFees(uint256,uint256,uint256,uint256,uint256) (#1748-1777) contains a tautology or contradiction:
- require(bool,string)(BENDRewardsSellTax >= 0 && BENDRewardsSellTax <= 10,BEND reward fees must be between 0 and 10) (#1762-1765)
Fix the incorrect comparison by changing the value type or the comparison.

Additional information: link

SafeMathInt.MAX_INT256 (#928) is never used in SafeMathInt (#926-983)
Remove unused state variables.

Additional information: link

name() should be declared external:
- ERC20.name() (#355-357)
symbol() should be declared external:
- ERC20.symbol() (#363-365)
decimals() should be declared external:
- BEND.decimals() (#1570-1572)
- BENDDividendTracker.decimals() (#2221-2223)
- ERC20.decimals() (#380-382)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#412-420)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#425-433)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#442-450)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#465-480)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#494-505)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#521-535)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#907-910)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#916-923)
withdrawDividend() should be declared external:
- BENDDividendTracker.withdrawDividend() (#2233-2238)
- DividendPayingToken.withdrawDividend() (#1270-1272)
dividendOf(address) should be declared external:
- DividendPayingToken.dividendOf(address) (#1308-1310)
withdrawnDividendOf(address) should be declared external:
- DividendPayingToken.withdrawnDividendOf(address) (#1327-1334)
UpdatestakeAddress(address) should be declared external:
- BEND.UpdatestakeAddress(address) (#1581-1584)
updateStakingAmounts(uint256,uint256) should be declared external:
- BEND.updateStakingAmounts(uint256,uint256) (#1587-1596)
enableStaking(bool) should be declared external:
- BEND.enableStaking(bool) (#1606-1611)
stake(uint256) should be declared external:
- BEND.stake(uint256) (#1613-1630)
updateMaxAmount(uint256) should be declared external:
- BEND.updateMaxAmount(uint256) (#1632-1641)
updateSwapTokensAtAmount(uint256) should be declared external:
- BEND.updateSwapTokensAtAmount(uint256) (#1643-1650)
updateDividendTracker(address) should be declared external:
- BEND.updateDividendTracker(address) (#1652-1669)
updateOperations1Address(address) should be declared external:
- BEND.updateOperations1Address(address) (#1671-1676)
updateOperations2Address(address) should be declared external:
- BEND.updateOperations2Address(address) (#1678-1683)
updateUniswapV2Router(address) should be declared external:
- BEND.updateUniswapV2Router(address) (#1685-1690)
enableSwapAndLiquify(bool) should be declared external:
- BEND.enableSwapAndLiquify(bool) (#1699-1704)
setAutomatedMarketMakerPair(address,bool) should be declared external:
- BEND.setAutomatedMarketMakerPair(address,bool) (#1706-1713)
setAllowCustomTokens(bool) should be declared external:
- BEND.setAllowCustomTokens(bool) (#1715-1717)
setAllowAutoReinvest(bool) should be declared external:
- BEND.setAllowAutoReinvest(bool) (#1719-1721)
updateLiquidityWallet(address) should be declared external:
- BEND.updateLiquidityWallet(address) (#1733-1740)
updateGasForProcessing(uint256) should be declared external:
- BEND.updateGasForProcessing(uint256) (#1742-1746)
updateFees(uint256,uint256,uint256,uint256,uint256) should be declared external:
- BEND.updateFees(uint256,uint256,uint256,uint256,uint256) (#1748-1777)
isExcludedFromFees(address) should be declared external:
- BEND.isExcludedFromFees(address) (#1791-1793)
withdrawableDividendOf(address) should be declared external:
- BEND.withdrawableDividendOf(address) (#1795-1801)
dividendTokenBalanceOf(address) should be declared external:
- BEND.dividendTokenBalanceOf(address) (#1803-1809)
updatePayoutToken(address) should be declared external:
- BEND.updatePayoutToken(address) (#2074-2080)
getPayoutToken(address) should be declared external:
- BEND.getPayoutToken(address) (#2082-2084)
updateAllowTokens(address,bool) should be declared external:
- BEND.updateAllowTokens(address,bool) (#2086-2091)
getAllowTokens(address) should be declared external:
- BEND.getAllowTokens(address) (#2093-2095)
forceSwapAndSendDividends(uint256) should be declared external:
- BEND.forceSwapAndSendDividends(uint256) (#2112-2121)
getAccountAtIndex(uint256) should be declared external:
- BENDDividendTracker.getAccountAtIndex(uint256) (#2343-2369)
process(uint256) should be declared external:
- BENDDividendTracker.process(uint256) (#2395-2447)
updateUniswapV2Router(address) should be declared external:
- BENDDividendTracker.updateUniswapV2Router(address) (#2481-2483)
updatePayoutToken(address,address) should be declared external:
- BENDDividendTracker.updatePayoutToken(address,address) (#2485-2494)
getPayoutToken(address) should be declared external:
- BENDDividendTracker.getPayoutToken(address) (#2496-2498)
updateAllowTokens(address,bool) should be declared external:
- BENDDividendTracker.updateAllowTokens(address,bool) (#2500-2502)
getAllowTokens(address) should be declared external:
- BENDDividendTracker.getAllowTokens(address) (#2504-2506)
Use the external attribute for functions never called from the contract.

Additional information: link

BEND._transfer(address,address,uint256) (#1893-2022) performs a multiplication on the result of a division:
-swapAmountBought = contractTokenBalance.mul(buyAmount).div(totalBuySell) (#1958-1960)
-swapBuyTokens = swapAmountBought.mul(liquidityFee).div(totalBuyFees) (#1965-1967)
BEND._transfer(address,address,uint256) (#1893-2022) performs a multiplication on the result of a division:
-swapAmountSold = contractTokenBalance.mul(sellAmount).div(totalBuySell) (#1961-1963)
-swapSellTokens = swapAmountSold.mul(liquidityFee).div(totalSellFees) (#1969-1971)
BEND.swapAndSendDividends(uint256) (#2123-2159) performs a multiplication on the result of a division:
-dividendsFromBuy = address(this).balance.mul(buyAmount).div(totalAmount).mul(BENDRewardsBuyFee).div(BENDRewardsBuyFee.add(operationsBuyFee)) (#2127-2132)
BEND.swapAndSendDividends(uint256) (#2123-2159) performs a multiplication on the result of a division:
-dividendsFromSell = address(this).balance.mul(sellAmount).div(totalAmount).mul(BENDRewardsSellFee).div(BENDRewardsSellFee.add(operationsSellFee)) (#2134-2139)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in BEND.updateDividendTracker(address) (#1652-1669):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1661)
- newDividendTracker.excludeFromDividends(address(this)) (#1662)
- newDividendTracker.excludeFromDividends(owner()) (#1663)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1664)
State variables written after the call(s):
- dividendTracker = newDividendTracker (#1668)
Apply the check-effects-interactions pattern.

Additional information: link

BEND._transfer(address,address,uint256).lastProcessedIndex (#2005) is a local variable never initialized
BENDDividendTracker._withdrawDividendOfUser(address).success (#2577) is a local variable never initialized
BENDDividendTracker._reinvestDividendOfUser(address).success (#2514) is a local variable never initialized
BEND._transfer(address,address,uint256).iterations (#2003) is a local variable never initialized
BEND._transfer(address,address,uint256).claims (#2004) 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

BEND.constructor() (#1527-1568) ignores return value by dividendTracker.excludedFromDividends(address(0)) (#1550)
BEND.claim() (#1857-1859) ignores return value by dividendTracker.processAccount(address(msg.sender),false) (#1858)
BEND._transfer(address,address,uint256) (#1893-2022) ignores return value by dividendTracker.process(gas) (#2002-2015)
BEND.addLiquidity(uint256,uint256) (#2097-2110) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
Ensure that all the return values of the function calls are used.

Additional information: link

DividendPayingToken.constructor(string,string)._name (#1231) shadows:
- ERC20._name (#335) (state variable)
DividendPayingToken.constructor(string,string)._symbol (#1231) shadows:
- ERC20._symbol (#336) (state variable)
Rename the local variables that shadow another component.

Additional information: link

BEND.updateMaxAmount(uint256) (#1632-1641) should emit an event for:
- maxSellTransactionAmount = newNum * (10 ** 9) (#1640)
BEND.updateSwapTokensAtAmount(uint256) (#1643-1650) should emit an event for:
- swapTokensAtAmount = newNum * (10 ** 9) (#1649)
BEND.forceSwapAndSendDividends(uint256) (#2112-2121) should emit an event for:
- buyAmount = buyAmount.sub(fromBuy) (#2119)
- sellAmount = sellAmount.sub(fromSell) (#2120)
Emit an event for critical parameter changes.

Additional information: link

BEND.recoveryBalance(uint256,address).receiver (#1575) lacks a zero-check on :
- receiver.transfer(amount) (#1578)
BEND.UpdatestakeAddress(address)._contractAddress (#1581) lacks a zero-check on :
- stakingAddress = _contractAddress (#1582)
BEND.updateOperations1Address(address).newAddress (#1671) lacks a zero-check on :
- operations1Address = newAddress (#1675)
BEND.updateOperations2Address(address).newAddress (#1678) lacks a zero-check on :
- operations2Address = newAddress (#1682)
BEND.updateLiquidityWallet(address).newLiquidityWallet (#1733) lacks a zero-check on :
- liquidityWallet = newLiquidityWallet (#1739)
Ownable.constructor().msgSender (#880) lacks a zero-check on :
- _owner = msgSender (#881)
Check that the address is not zero.

Additional information: link

BENDDividendTracker._reinvestDividendOfUser(address) (#2508-2562) has external calls inside a loop: path[0] = uniswapV2Router.WETH() (#2521)
BENDDividendTracker._reinvestDividendOfUser(address) (#2508-2562) has external calls inside a loop: prevBalance = bend.balanceOf(address(this)) (#2524)
BENDDividendTracker._reinvestDividendOfUser(address) (#2508-2562) has external calls inside a loop: uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,address(this),block.timestamp) (#2527-2549)
BENDDividendTracker._reinvestDividendOfUser(address) (#2508-2562) has external calls inside a loop: received = bend.balanceOf(address(this)).sub(prevBalance) (#2538-2540)
BENDDividendTracker._reinvestDividendOfUser(address) (#2508-2562) has external calls inside a loop: bend.transfer(account,received) (#2543)
BENDDividendTracker._withdrawDividendOfUser(address) (#2565-2625) has external calls inside a loop: (success,None) = user.call{gas: 3000,value: _withdrawableDividend}() (#2585-2588)
BENDDividendTracker._withdrawDividendOfUser(address) (#2565-2625) has external calls inside a loop: path[0] = uniswapV2Router.WETH() (#2592)
BENDDividendTracker._withdrawDividendOfUser(address) (#2565-2625) has external calls inside a loop: uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,user,block.timestamp) (#2595-2609)
Favor pull over push strategy for external calls.

Additional information: link

Variable 'BEND._transfer(address,address,uint256).claims (#2004)' in BEND._transfer(address,address,uint256) (#1893-2022) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#2007-2014)
Variable 'BEND._transfer(address,address,uint256).iterations (#2003)' in BEND._transfer(address,address,uint256) (#1893-2022) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#2007-2014)
Variable 'BEND._transfer(address,address,uint256).lastProcessedIndex (#2005)' in BEND._transfer(address,address,uint256) (#1893-2022) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#2007-2014)
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 BEND._transfer(address,address,uint256) (#1893-2022):
External calls:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- swapAndSendDividends(remainingBalance) (#1980)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- swapAndSendDividends(remainingBalance) (#1980)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
State variables written after the call(s):
- swapAndSendDividends(remainingBalance) (#1980)
- _allowances[owner][spender] = amount (#633)
Reentrancy in BEND.constructor() (#1527-1568):
External calls:
- uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1537-1540)
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1542)
- dividendTracker.excludeFromDividends(pair) (#1727)
State variables written after the call(s):
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1542)
- automatedMarketMakerPairs[pair] = value (#1724)
Reentrancy in BEND.constructor() (#1527-1568):
External calls:
- uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1537-1540)
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1542)
- dividendTracker.excludeFromDividends(pair) (#1727)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#1545)
- dividendTracker.excludeFromDividends(address(this)) (#1546)
- dividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1547-1549)
- dividendTracker.excludeFromDividends(owner()) (#1551)
- dividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1552)
State variables written after the call(s):
- _mint(owner(),1000000 * (10 ** 9)) (#1567)
- _balances[account] = _balances[account].add(amount) (#584)
- _isExcludedFromFees[liquidityWallet] = true (#1555)
- _isExcludedFromFees[address(this)] = true (#1556)
- _isExcludedFromFees[owner()] = true (#1557)
- _isExcludedFromFees[address(dividendTracker)] = true (#1558)
- _mint(owner(),1000000 * (10 ** 9)) (#1567)
- _totalSupply = _totalSupply.add(amount) (#583)
- totalBuyFees = BENDRewardsBuyFee.add(liquidityFee).add(operationsBuyFee) (#1561)
- totalSellFees = BENDRewardsSellFee.add(liquidityFee).add(operationsSellFee) (#1560)
Reentrancy in BENDDividendTracker.processAccount(address,bool) (#2449-2479):
External calls:
- amount = _reinvestDividendOfUser(account) (#2464-2466)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,address(this),block.timestamp) (#2527-2549)
- bend.transfer(account,received) (#2543)
- amount = _withdrawDividendOfUser(account) (#2464-2466)
- (success,None) = user.call{gas: 3000,value: _withdrawableDividend}() (#2585-2588)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,user,block.timestamp) (#2595-2609)
External calls sending eth:
- amount = _reinvestDividendOfUser(account) (#2464-2466)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,address(this),block.timestamp) (#2527-2549)
- amount = _withdrawDividendOfUser(account) (#2464-2466)
- (success,None) = user.call{gas: 3000,value: _withdrawableDividend}() (#2585-2588)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,user,block.timestamp) (#2595-2609)
State variables written after the call(s):
- lastClaimTimes[account] = block.timestamp (#2469)
Reentrancy in BEND.swapAndLiquify(uint256) (#2033-2054):
External calls:
- swapTokensForEth(half) (#2045)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- addLiquidity(otherHalf,newBalance) (#2051)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#2051)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#2051)
- _allowances[owner][spender] = amount (#633)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in BEND._setAutomatedMarketMakerPair(address,bool) (#1723-1731):
External calls:
- dividendTracker.excludeFromDividends(pair) (#1727)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(pair,value) (#1730)
Reentrancy in BEND._transfer(address,address,uint256) (#1893-2022):
External calls:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- swapAndSendDividends(remainingBalance) (#1980)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- swapAndSendDividends(remainingBalance) (#1980)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#634)
- swapAndSendDividends(remainingBalance) (#1980)
- SendDividends(dividends,theRest,success && successOp1 && successOp2) (#2154-2158)
- swapAndSendDividends(remainingBalance) (#1980)
- Transfer(sender,recipient,amount) (#566)
- super._transfer(from,address(this),fees) (#1998)
Reentrancy in BEND._transfer(address,address,uint256) (#1893-2022):
External calls:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- swapAndSendDividends(remainingBalance) (#1980)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
- dividendTracker.process(gas) (#2002-2015)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1975)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
- swapAndSendDividends(remainingBalance) (#1980)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#2007-2014)
- Transfer(sender,recipient,amount) (#566)
- super._transfer(from,to,amount) (#2018)
Reentrancy in BENDDividendTracker._withdrawDividendOfUser(address) (#2565-2625):
External calls:
- (success,None) = user.call{gas: 3000,value: _withdrawableDividend}() (#2585-2588)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,user,block.timestamp) (#2595-2609)
Event emitted after the call(s):
- DividendWithdrawn(user,_withdrawableDividend) (#2618)
Reentrancy in BEND.constructor() (#1527-1568):
External calls:
- uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1537-1540)
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1542)
- dividendTracker.excludeFromDividends(pair) (#1727)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(pair,value) (#1730)
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1542)
Reentrancy in BEND.constructor() (#1527-1568):
External calls:
- uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1537-1540)
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1542)
- dividendTracker.excludeFromDividends(pair) (#1727)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#1545)
- dividendTracker.excludeFromDividends(address(this)) (#1546)
- dividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1547-1549)
- dividendTracker.excludeFromDividends(owner()) (#1551)
- dividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1552)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#585)
- _mint(owner(),1000000 * (10 ** 9)) (#1567)
Reentrancy in BENDDividendTracker.processAccount(address,bool) (#2449-2479):
External calls:
- amount = _reinvestDividendOfUser(account) (#2464-2466)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,address(this),block.timestamp) (#2527-2549)
- bend.transfer(account,received) (#2543)
- amount = _withdrawDividendOfUser(account) (#2464-2466)
- (success,None) = user.call{gas: 3000,value: _withdrawableDividend}() (#2585-2588)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,user,block.timestamp) (#2595-2609)
External calls sending eth:
- amount = _reinvestDividendOfUser(account) (#2464-2466)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,address(this),block.timestamp) (#2527-2549)
- amount = _withdrawDividendOfUser(account) (#2464-2466)
- (success,None) = user.call{gas: 3000,value: _withdrawableDividend}() (#2585-2588)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: _withdrawableDividend}(0,path,user,block.timestamp) (#2595-2609)
Event emitted after the call(s):
- Claim(account,amount,automatic) (#2473)
- DividendReinvested(account,amount,automatic) (#2471)
Reentrancy in BEND.processDividendTracker(uint256) (#1841-1855):
External calls:
- (iterations,claims,lastProcessedIndex) = dividendTracker.process(gas) (#1842-1846)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,false,gas,tx.origin) (#1847-1854)
Reentrancy in BEND.setPresaleWallet(address) (#1599-1604):
External calls:
- dividendTracker.excludeFromDividends(wallet) (#1601)
Event emitted after the call(s):
- SetPreSaleWallet(wallet) (#1603)
Reentrancy in BEND.stake(uint256) (#1613-1630):
External calls:
- dividendTracker.setBalance(_msgSender(),getStakingBalance(_msgSender())) (#1624-1627)
Event emitted after the call(s):
- EnableAccountStaking(_msgSender(),duration) (#1629)
Reentrancy in BEND.swapAndLiquify(uint256) (#2033-2054):
External calls:
- swapTokensForEth(half) (#2045)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- addLiquidity(otherHalf,newBalance) (#2051)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#2051)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2102-2109)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#634)
- addLiquidity(otherHalf,newBalance) (#2051)
- SwapAndLiquify(half,newBalance,otherHalf) (#2053)
Reentrancy in BEND.swapAndSendDividends(uint256) (#2123-2159):
External calls:
- swapTokensForEth(tokens) (#2124)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#2065-2071)
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
External calls sending eth:
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
Event emitted after the call(s):
- SendDividends(dividends,theRest,success && successOp1 && successOp2) (#2154-2158)
Reentrancy in BEND.updateAllowTokens(address,bool) (#2086-2091):
External calls:
- dividendTracker.updateAllowTokens(token,allow) (#2089)
Event emitted after the call(s):
- UpdateAllowTokens(token,allow) (#2090)
Reentrancy in BEND.updateDividendTracker(address) (#1652-1669):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1661)
- newDividendTracker.excludeFromDividends(address(this)) (#1662)
- newDividendTracker.excludeFromDividends(owner()) (#1663)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1664)
Event emitted after the call(s):
- UpdateDividendTracker(newAddress,address(dividendTracker)) (#1666)
Reentrancy in BEND.updatePayoutToken(address) (#2074-2080):
External calls:
- dividendTracker.updatePayoutToken(msg.sender,token) (#2078)
Event emitted after the call(s):
- UpdatePayoutToken(msg.sender,token) (#2079)
Apply the check-effects-interactions pattern.

Additional information: link

BEND.stake(uint256) (#1613-1630) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(stakingUntilDate[_msgSender()] < block.timestamp.add(duration),already staked for a longer duration) (#1616-1619)
BEND._transfer(address,address,uint256) (#1893-2022) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp >= forceStartTradingAt,Trading has not yet been enabled) (#1900-1903)
- require(bool,string)(stakingUntilDate[from] <= block.timestamp,Tokens are staked and locked!) (#1914-1917)
- stakingUntilDate[from] != 0 (#1918)
Avoid relying on block.timestamp.

Additional information: link

Context._msgData() (#9-12) is never used and should be removed
DividendPayingToken._transfer(address,address,uint256) (#1360-1375) is never used and should be removed
DividendPayingToken._withdrawDividendOfUser(address) (#1276-1303) is never used and should be removed
IterableMapping.get(IterableMapping.Map,address) (#163-165) is never used and should be removed
SafeMath.mod(uint256,uint256) (#842-844) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#858-865) is never used and should be removed
SafeMathInt.abs(int256) (#974-977) is never used and should be removed
SafeMathInt.div(int256,int256) (#945-951) is never used and should be removed
SafeMathInt.mul(int256,int256) (#933-940) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (#2) allows old versions
solc-0.8.0 is not recommended for deployment
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) (#1276-1303):
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1287-1290)
Low level call in BEND.swapAndSendDividends(uint256) (#2123-2159):
- (success) = address(dividendTracker).call{value: dividends}() (#2143)
- (successOp1) = address(operations1Address).call{value: half}() (#2148)
- (successOp2) = address(operations2Address).call{value: otherHalf}() (#2150-2152)
Low level call in BENDDividendTracker._withdrawDividendOfUser(address) (#2565-2625):
- (success,None) = user.call{gas: 3000,value: _withdrawableDividend}() (#2585-2588)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#48) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#50) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#81) is not in mixedCase
Function IUniswapV2Router01.WETH() (#996) is not in mixedCase
Parameter DividendPayingToken.dividendOf(address)._owner (#1308) is not in mixedCase
Parameter DividendPayingToken.withdrawableDividendOf(address)._owner (#1315) is not in mixedCase
Parameter DividendPayingToken.withdrawnDividendOf(address)._owner (#1327) is not in mixedCase
Parameter DividendPayingToken.accumulativeDividendOf(address)._owner (#1341) is not in mixedCase
Constant DividendPayingToken.magnitude (#1211) is not in UPPER_CASE_WITH_UNDERSCORES
Function BEND.UpdatestakeAddress(address) (#1581-1584) is not in mixedCase
Parameter BEND.UpdatestakeAddress(address)._contractAddress (#1581) is not in mixedCase
Parameter BEND.updateFees(uint256,uint256,uint256,uint256,uint256).BENDRewardsBuyTax (#1752) is not in mixedCase
Parameter BEND.updateFees(uint256,uint256,uint256,uint256,uint256).BENDRewardsSellTax (#1753) is not in mixedCase
Variable BEND.BENDRewardsBuyFee (#1447) is not in mixedCase
Variable BEND.BENDRewardsSellFee (#1448) is not in mixedCase
Parameter BENDDividendTracker.getAccount(address)._account (#2302) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#10)" inContext (#4-13)
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 (#1001) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#1002)
Variable BEND.operations1Address (#1436-1437) is too similar to BEND.operations2Address (#1438-1439)
Variable BENDDividendTracker._withdrawDividendOfUser(address)._withdrawableDividend (#2570) is too similar to BENDDividendTracker.getAccount(address).withdrawableDividends (#2309)
Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (#1281) is too similar to BENDDividendTracker.getAccount(address).withdrawableDividends (#2309)
Variable BENDDividendTracker._reinvestDividendOfUser(address)._withdrawableDividend (#2512) is too similar to BENDDividendTracker.getAccount(address).withdrawableDividends (#2309)
Prevent variables from having similar names.

Additional information: link

BEND.constructor() (#1527-1568) uses literals with too many digits:
- dividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1547-1549)
BEND.constructor() (#1527-1568) uses literals with too many digits:
- _mint(owner(),1000000 * (10 ** 9)) (#1567)
BEND.updateGasForProcessing(uint256) (#1742-1746) uses literals with too many digits:
- require(bool)(newValue >= 200000 && newValue <= 600000) (#1743)
BEND.slitherConstructorVariables() (#1414-2160) uses literals with too many digits:
- gasForProcessing = 300000 (#1452)
BENDDividendTracker.getAccountAtIndex(uint256) (#2343-2369) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0) (#2356-2363)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Contract has 0% buy tax and 30% sell tax.
Taxes are suspiciously high (over 10%) and contract ownership is not renounced. Token has a high risk of becoming a honeypot.

Token is deployed only at one blockchain

Token has only one trading pair

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Unable to find token contract audit

Unable to verify token contract address on the website

Unable to find audit link on the website

Unable to find whitepaper link on the website

Unable to find Telegram link on the website

Unable to find Twitter link on the website

Token is not listed at Mobula.Finance

Additional information: link

Unable to find token on CoinHunt

Additional information: link

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

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

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

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

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

Token has relatively low CoinGecko rank

Token has relatively low CoinMarketCap rank