LIBERO [Libero Financial Freedom] Token

Reentrancy in LiberoToken._transferFrom(address,address,uint256) (#462-504):
External calls:
- swapBack() (#481)
- router.addLiquidity(address(this),busdToken,tokenAmount,busdAmount,0,0,liquidityReceiver,block.timestamp) (#555-564)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#572-578)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#586-592)
External calls sending eth:
- swapBack() (#481)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
State variables written after the call(s):
- _gonBalances[sender] = _gonBalances[sender].sub(gonAmount) (#484)
- _gonBalances[recipient] = _gonBalances[recipient].add(gonAmountReceived) (#487)
- gonAmountReceived = takeFee(sender,recipient,gonAmount) (#486)
- _gonBalances[address(this)] = _gonBalances[address(this)].add(feeAmount) (#626)
- _rebase() (#496)
- _gonsPerFragment = TOTAL_GONS.div(_totalSupply) (#694)
Apply the check-effects-interactions pattern.

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Contract ownership is not renounced (belongs to a wallet)

LiberoToken.swapBack() (#595-618) performs a multiplication on the result of a division:
-contractTokenBalance = _gonBalances[address(this)].div(_gonsPerFragment) (#599)
-amountToRFV = contractTokenBalance.mul(buyFeeRFV.mul(2).add(sellFeeRFVAdded)).div(realTotalFee) (#602)
LiberoToken.swapBack() (#595-618) performs a multiplication on the result of a division:
-contractTokenBalance = _gonBalances[address(this)].div(_gonsPerFragment) (#599)
-amountToLiquify = contractTokenBalance.mul(dynamicLiquidityFee.mul(2)).div(realTotalFee) (#601)
LiberoToken.setSwapBackSettings(bool,uint256,uint256) (#749-752) performs a multiplication on the result of a division:
-gonSwapThreshold = TOTAL_GONS.div(_denom).mul(_num) (#751)
Consider ordering multiplication before division.

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LiberoToken.setAutomatedMarketMakerPair(address,bool) (#713-732) has costly operations inside a loop:
- _markerPairs.pop() (#725)
Use a local variable to hold the loop computation result.

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Not a direct threat, but may indicate unreliable intentions of developer. Widespread names (e.g. Elon, King, Moon, Doge) are common among meme-tokens and scams. The allow to gain free hype and attract unexperienced investors.

SafeMathInt.MAX_INT256 (#11) is never used in SafeMathInt (#9-43)
Remove unused state variables.

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Pragma version^0.7.4 (#7) 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.

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LiberoToken.DEAD (#308) should be constant
LiberoToken.ZERO (#309) should be constant
LiberoToken.busdToken (#314) should be constant
Add the constant attributes to state variables that never change.

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LiberoToken.manualSync() (#441-445) has external calls inside a loop: InterfaceLP(_markerPairs[i]).sync() (#443)
Favor pull over push strategy for external calls.

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LiberoToken.shouldRebase() (#402-404) uses timestamp for comparisons
Dangerous comparisons:
- nextRebase <= block.timestamp (#403)
LiberoToken.manualRebase() (#702-711) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(nextRebase <= block.timestamp,Not in time) (#704)
LiberoToken._transferFrom(address,address,uint256) (#462-504) uses timestamp for comparisons
Dangerous comparisons:
- shouldRebase() && autoRebase (#495)
Avoid relying on block.timestamp.

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SafeMathInt.div(int256,int256) (#21-25) is never used and should be removed
SafeMathInt.abs(int256) (#39-42) is never used and should be removed
SafeMathInt.mul(int256,int256) (#13-19) is never used and should be removed
SafeMathInt.sub(int256,int256) (#27-31) is never used and should be removed
SafeMath.mod(uint256,uint256) (#113-116) is never used and should be removed
Roles.remove(Roles.Role,address) (#133-136) is never used and should be removed
SafeMathInt.add(int256,int256) (#33-37) is never used and should be removed
Roles.add(Roles.Role,address) (#128-131) is never used and should be removed
Roles.has(Roles.Role,address) (#138-141) is never used and should be removed
Remove unused functions.

Additional information: link

LiberoToken.slitherConstructorVariables() (#279-829) uses literals with too many digits:
- DEAD = 0x000000000000000000000000000000000000dEaD (#308)
LiberoToken.slitherConstructorVariables() (#279-829) uses literals with too many digits:
- rewardYieldDenominator = 10000000000 (#290)
LiberoToken.slitherConstructorVariables() (#279-829) uses literals with too many digits:
- maxSellTransactionAmount = 2500000 * 10 ** 18 (#291)
LiberoToken.slitherConstructorVariables() (#279-829) uses literals with too many digits:
- ZERO = 0x0000000000000000000000000000000000000000 (#309)
Use: Ether suffix, Time suffix, or The scientific notation

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decimals() should be declared external:
- ERC20Detailed.decimals() (#167-169)
symbol() should be declared external:
- ERC20Detailed.symbol() (#163-165)
name() should be declared external:
- ERC20Detailed.name() (#159-161)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#263-266)
owner() should be declared external:
- Ownable.owner() (#254-256)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#268-270)
Use the external attribute for functions never called from the contract.

Additional information: link

LiberoToken._addLiquidity(uint256,uint256) (#544-553) ignores return value by router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
LiberoToken.constructor() (#351-378) ignores return value by IERC20(busdToken).approve(address(router),uint256(- 1)) (#373)
LiberoToken.constructor() (#351-378) ignores return value by IERC20(busdToken).approve(address(pairBusd),uint256(- 1)) (#374)
LiberoToken.getLiquidityBacking(uint256) (#429-435) ignores return value by liquidityBalance.add(balanceOf(_markerPairs[i]).div(10 ** 9)) (#432)
LiberoToken._addLiquidityBusd(uint256,uint256) (#554-565) ignores return value by router.addLiquidity(address(this),busdToken,tokenAmount,busdAmount,0,0,liquidityReceiver,block.timestamp) (#555-564)
LiberoToken.constructor() (#351-378) ignores return value by IERC20(busdToken).approve(address(this),uint256(- 1)) (#375)
Ensure that all the return values of the function calls are used.

Additional information: link

LiberoToken.setTargetLiquidity(uint256,uint256) (#744-747) should emit an event for:
- targetLiquidity = target (#745)
- targetLiquidityDenominator = accuracy (#746)
LiberoToken.setNextRebase(uint256) (#815-817) should emit an event for:
- nextRebase = _nextRebase (#816)
LiberoToken.setRebaseFrequency(uint256) (#795-798) should emit an event for:
- rebaseFrequency = _rebaseFrequency (#797)
LiberoToken.setFees(uint256,uint256,uint256,uint256,uint256,uint256) (#760-779) should emit an event for:
- liquidityFee = _liquidityFee (#770)
- buyFeeRFV = _riskFreeValue (#771)
- treasuryFee = _treasuryFee (#772)
- sellFeeTreasuryAdded = _sellFeeTreasuryAdded (#773)
- sellFeeRFVAdded = _sellFeeRFVAdded (#774)
- totalBuyFee = liquidityFee.add(treasuryFee).add(buyFeeRFV) (#775)
- totalSellFee = totalBuyFee.add(sellFeeTreasuryAdded).add(sellFeeRFVAdded) (#776)
- feeDenominator = _feeDenominator (#777)
LiberoToken.setMaxSellTransaction(uint256) (#819-821) should emit an event for:
- maxSellTransactionAmount = _maxTxn (#820)
LiberoToken.setSwapBackSettings(bool,uint256,uint256) (#749-752) should emit an event for:
- gonSwapThreshold = TOTAL_GONS.div(_denom).mul(_num) (#751)
LiberoToken.setRewardYield(uint256,uint256) (#800-803) should emit an event for:
- rewardYield = _rewardYield (#801)
- rewardYieldDenominator = _rewardYieldDenominator (#802)
Emit an event for critical parameter changes.

Additional information: link

LiberoToken.clearStuckBalance(address)._receiver (#781) lacks a zero-check on :
- address(_receiver).transfer(balance) (#783)
LiberoToken.setFeeReceivers(address,address,address)._treasuryReceiver (#754) lacks a zero-check on :
- treasuryReceiver = _treasuryReceiver (#756)
LiberoToken.setFeeReceivers(address,address,address)._liquidityReceiver (#754) lacks a zero-check on :
- liquidityReceiver = _liquidityReceiver (#755)
LiberoToken.setFeeReceivers(address,address,address)._riskFreeValueReceiver (#754) lacks a zero-check on :
- riskFreeValueReceiver = _riskFreeValueReceiver (#757)
Check that the address is not zero.

Additional information: link

Reentrancy in LiberoToken._transferFrom(address,address,uint256) (#462-504):
External calls:
- swapBack() (#481)
- router.addLiquidity(address(this),busdToken,tokenAmount,busdAmount,0,0,liquidityReceiver,block.timestamp) (#555-564)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#572-578)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#586-592)
External calls sending eth:
- swapBack() (#481)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
State variables written after the call(s):
- _rebase() (#496)
- _totalSupply = _totalSupply.sub(uint256(- supplyDelta)) (#685)
- _totalSupply = _totalSupply.add(uint256(supplyDelta)) (#687)
- _totalSupply = MAX_SUPPLY (#691)
- _rebase() (#496)
- nextRebase = epoch + rebaseFrequency (#696)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in LiberoToken._swapAndLiquify(uint256) (#517-542):
External calls:
- _swapTokensForBNB(half,address(this)) (#524)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#572-578)
- _addLiquidity(otherHalf,newBalance) (#528)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
External calls sending eth:
- _addLiquidity(otherHalf,newBalance) (#528)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
Event emitted after the call(s):
- SwapAndLiquify(half,newBalance,otherHalf) (#530)
Reentrancy in LiberoToken._transferFrom(address,address,uint256) (#462-504):
External calls:
- swapBack() (#481)
- router.addLiquidity(address(this),busdToken,tokenAmount,busdAmount,0,0,liquidityReceiver,block.timestamp) (#555-564)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#572-578)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#586-592)
External calls sending eth:
- swapBack() (#481)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
Event emitted after the call(s):
- LogRebase(epoch,_totalSupply) (#680)
- _rebase() (#496)
- LogRebase(epoch,_totalSupply) (#698)
- _rebase() (#496)
- Transfer(sender,address(this),feeAmount.div(_gonsPerFragment)) (#627)
- gonAmountReceived = takeFee(sender,recipient,gonAmount) (#486)
- Transfer(sender,recipient,gonAmountReceived.div(_gonsPerFragment)) (#489-493)
Reentrancy in LiberoToken.swapBack() (#595-618):
External calls:
- _swapAndLiquify(amountToLiquify) (#606)
- router.addLiquidity(address(this),busdToken,tokenAmount,busdAmount,0,0,liquidityReceiver,block.timestamp) (#555-564)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#572-578)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#586-592)
- _swapTokensForBusd(amountToRFV,riskFreeValueReceiver) (#610)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#586-592)
- _swapTokensForBNB(amountToTreasury,treasuryReceiver) (#614)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#572-578)
External calls sending eth:
- _swapAndLiquify(amountToLiquify) (#606)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,liquidityReceiver,block.timestamp) (#545-552)
Event emitted after the call(s):
- SwapBack(contractTokenBalance,amountToLiquify,amountToRFV,amountToTreasury) (#617)
Reentrancy in LiberoToken._swapAndLiquify(uint256) (#517-542):
External calls:
- _swapTokensForBusd(half,address(this)) (#534)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,receiver,block.timestamp) (#586-592)
- _addLiquidityBusd(otherHalf,newBalance_scope_1) (#538)
- router.addLiquidity(address(this),busdToken,tokenAmount,busdAmount,0,0,liquidityReceiver,block.timestamp) (#555-564)
Event emitted after the call(s):
- SwapAndLiquifyBusd(half,newBalance_scope_1,otherHalf) (#540)
Apply the check-effects-interactions pattern.

Additional information: link

LiberoToken.totalBuyFee (#324) is set pre-construction with a non-constant function or state variable:
- liquidityFee.add(treasuryFee).add(buyFeeRFV)
LiberoToken.totalSellFee (#325) is set pre-construction with a non-constant function or state variable:
- totalBuyFee.add(sellFeeTreasuryAdded).add(sellFeeRFVAdded)
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Parameter LiberoToken.checkFeeExempt(address)._addr (#394) is not in mixedCase
Variable LiberoToken._markerPairs (#297) is not in mixedCase
Parameter LiberoToken.setRewardYield(uint256,uint256)._rewardYield (#800) is not in mixedCase
Parameter LiberoToken.setSwapBackSettings(bool,uint256,uint256)._enabled (#749) is not in mixedCase
Function IDEXRouter.WETH() (#175) is not in mixedCase
Parameter LiberoToken.setFees(uint256,uint256,uint256,uint256,uint256,uint256)._sellFeeRFVAdded (#760) is not in mixedCase
Variable LiberoToken.ZERO (#309) is not in mixedCase
Parameter LiberoToken.setSwapBackSettings(bool,uint256,uint256)._denom (#749) is not in mixedCase
Variable LiberoToken._isFeeExempt (#296) is not in mixedCase
Parameter LiberoToken.setAutomatedMarketMakerPair(address,bool)._pair (#713) is not in mixedCase
Parameter LiberoToken.setFeeExempt(address,bool)._value (#739) is not in mixedCase
Parameter LiberoToken.setIsLiquidityInBnb(bool)._value (#810) is not in mixedCase
Parameter LiberoToken.clearStuckBalance(address)._receiver (#781) is not in mixedCase
Parameter LiberoToken.setRewardYield(uint256,uint256)._rewardYieldDenominator (#800) is not in mixedCase
Parameter LiberoToken.setFeeReceivers(address,address,address)._riskFreeValueReceiver (#754) is not in mixedCase
Parameter LiberoToken.setMaxSellTransaction(uint256)._maxTxn (#819) is not in mixedCase
Parameter LiberoToken.setFees(uint256,uint256,uint256,uint256,uint256,uint256)._liquidityFee (#760) is not in mixedCase
Parameter LiberoToken.setFeesOnNormalTransfers(bool)._enabled (#805) is not in mixedCase
Parameter LiberoToken.setAutoRebase(bool)._autoRebase (#790) is not in mixedCase
Parameter LiberoToken.setFees(uint256,uint256,uint256,uint256,uint256,uint256)._riskFreeValue (#760) is not in mixedCase
Parameter LiberoToken.setAutomatedMarketMakerPair(address,bool)._value (#713) is not in mixedCase
Parameter LiberoToken.setFees(uint256,uint256,uint256,uint256,uint256,uint256)._treasuryFee (#760) is not in mixedCase
Parameter LiberoToken.setFeeReceivers(address,address,address)._treasuryReceiver (#754) is not in mixedCase
Parameter LiberoToken.setFeeExempt(address,bool)._addr (#739) is not in mixedCase
Parameter LiberoToken.setFees(uint256,uint256,uint256,uint256,uint256,uint256)._feeDenominator (#760) is not in mixedCase
Parameter LiberoToken.setInitialDistributionFinished(bool)._value (#734) is not in mixedCase
Parameter LiberoToken.setFeeReceivers(address,address,address)._liquidityReceiver (#754) is not in mixedCase
Variable LiberoToken.DEAD (#308) is not in mixedCase
Parameter LiberoToken.setNextRebase(uint256)._nextRebase (#815) is not in mixedCase
Parameter LiberoToken.setFees(uint256,uint256,uint256,uint256,uint256,uint256)._sellFeeTreasuryAdded (#760) is not in mixedCase
Parameter LiberoToken.setRebaseFrequency(uint256)._rebaseFrequency (#795) is not in mixedCase
Parameter LiberoToken.setSwapBackSettings(bool,uint256,uint256)._num (#749) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#180) is too similar to IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#181)
Prevent variables from having similar names.

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Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.

Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.

Average 30d PancakeSwap volume is less than $100. Token is either dead or inactive.

Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.

Token is deployed only at one blockchain

Token was delisted (assigned to inactive / untracked listing) from CoinMarketCap

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Unable to find token on CoinHunt

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Token has no active CoinMarketCap listing / rank

Token has a considerable age, but average PancakeSwap 30d trading volume is low