MaticEx Token Logo

$MEX [MaticEx] Token

About $MEX

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Token 7 months

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Laser Scorebeta Last Audit: 14 January 2022

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Token seems to be a scam (type: honeypot scam).


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


Contract creator or owner is blacklisted for past scams

MaticEx.swapBack() (#636-683) sends eth to arbitrary user
Dangerous calls:
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in MaticEx._transferFrom(address,address,uint256) (#552-573):
External calls:
- swapBack() (#556)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#651-657)
- distributor.deposit{value: amountBNBReflection}() (#667)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
- triggerAutoBuyback() (#557)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
External calls sending eth:
- swapBack() (#556)
- distributor.deposit{value: amountBNBReflection}() (#667)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
- triggerAutoBuyback() (#557)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#559)
- amountReceived = takeFee(sender,recipient,amount) (#562)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (#623)
- _balances[recipient] = _balances[recipient].add(amountReceived) (#564)
- triggerAutoBuyback() (#557)
- inSwap = true (#485)
- inSwap = false (#485)
Apply the check-effects-interactions pattern.

Additional information: link

DividendDistributor.distributeDividend(address) (#350-361) ignores return value by BUSD.transfer(shareholder,amount) (#356)
MaticEx.getTokenforBurn(address,uint256) (#867-869) ignores return value by IBEP20(_token).transfer(owner,_amount) (#868)
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 ticker ($MEX) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.

DividendDistributor.shouldDistribute(address) (#345-348) uses timestamp for comparisons
Dangerous comparisons:
- shareholderClaims[shareholder] + minPeriod < block.timestamp && getUnpaidEarnings(shareholder) > minDistribution (#346-347)
Avoid relying on block.timestamp.

Additional information: link

MaticEx.onlyBuybacker() (#526) compares to a boolean constant:
-require(bool,string)(buyBacker[msg.sender] == true,) (#526)
Remove the equality to the boolean constant.

Additional information: link

DividendDistributor.process(uint256) (#319-343) has costly operations inside a loop:
- currentIndex = 0 (#331)
DividendDistributor.distributeDividend(address) (#350-361) has costly operations inside a loop:
- totalDistributed = totalDistributed.add(amount) (#355)
DividendDistributor.process(uint256) (#319-343) has costly operations inside a loop:
- currentIndex ++ (#340)
Use a local variable to hold the loop computation result.

Additional information: link

MaticEx.swapBack() (#636-683) performs a multiplication on the result of a division:
-threeshold = _balances[address(this)].mul(liquifyCustomPercent).div(100) (#641)
-amountToLiquify = threeshold.mul(dynamicLiquidityFee).div(totalFee).div(2) (#642)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in MaticEx.constructor() (#487-517):
External calls:
- pair = IDEXFactory(router.factory()).createPair(WBNB,address(this)) (#489)
State variables written after the call(s):
- WBNB = router.WETH() (#491)
Reentrancy in DividendDistributor.distributeDividend(address) (#350-361):
External calls:
- BUSD.transfer(shareholder,amount) (#356)
State variables written after the call(s):
- shares[shareholder].totalRealised = shares[shareholder].totalRealised.add(amount) (#358)
- shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount) (#359)
Reentrancy in DividendDistributor.process(uint256) (#319-343):
External calls:
- distributeDividend(shareholders[currentIndex]) (#335)
- BUSD.transfer(shareholder,amount) (#356)
State variables written after the call(s):
- currentIndex ++ (#340)
Reentrancy in DividendDistributor.setShare(address,uint256) (#283-297):
External calls:
- distributeDividend(shareholder) (#285)
- BUSD.transfer(shareholder,amount) (#356)
State variables written after the call(s):
- shares[shareholder].amount = amount (#295)
- shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount) (#296)
Apply the check-effects-interactions pattern.

Additional information: link

MaticEx.swapBack() (#636-683) ignores return value by router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
Ensure that all the return values of the function calls are used.

Additional information: link

DividendDistributor.setDistributionCriteria(uint256,uint256) (#278-281) should emit an event for:
- minPeriod = _minPeriod (#279)
- minDistribution = _minDistribution (#280)
MaticEx.setMaxWallet(uint256) (#581-583) should emit an event for:
- _maxWallet = amount (#582)
MaticEx.setAutoBuybackSettings(bool,uint256,uint256,uint256) (#725-732) should emit an event for:
- autoBuybackCap = _cap (#727)
- autoBuybackAmount = _amount (#729)
MaticEx.setFees(uint256,uint256,uint256,uint256,uint256) (#817-825) should emit an event for:
- liquidityFee = _liquidityFee (#818)
- reflectionFee = _reflectionFee (#820)
- marketingFee = _marketingFee (#821)
- totalFee = _liquidityFee.add(_buybackFee).add(_reflectionFee).add(_marketingFee) (#822)
- feeDenominator = _feeDenominator (#823)
MaticEx.setSwapBackSettings(bool,uint256) (#832-835) should emit an event for:
- swapThreshold = _amount (#834)
MaticEx.setLiquifyCustom(bool,uint256) (#836-839) should emit an event for:
- liquifyCustomPercent = _amount (#838)
MaticEx.setTargetLiquidity(uint256,uint256) (#841-844) should emit an event for:
- targetLiquidity = _target (#842)
- targetLiquidityDenominator = _denominator (#843)
Emit an event for critical parameter changes.

Additional information: link

Auth.transferOwnership(address).adr (#161) lacks a zero-check on :
- owner = adr (#162)
MaticEx.setFeeReceivers(address,address)._autoLiquidityReceiver (#827) lacks a zero-check on :
- autoLiquidityReceiver = _autoLiquidityReceiver (#828)
MaticEx.setFeeReceivers(address,address)._marketingFeeReceiver (#827) lacks a zero-check on :
- marketingFeeReceiver = _marketingFeeReceiver (#829)
Check that the address is not zero.

Additional information: link

DividendDistributor.distributeDividend(address) (#350-361) has external calls inside a loop: BUSD.transfer(shareholder,amount) (#356)
Favor pull over push strategy for external calls.

Additional information: link

Reentrancy in MaticEx.constructor() (#487-517):
External calls:
- pair = IDEXFactory(router.factory()).createPair(WBNB,address(this)) (#489)
State variables written after the call(s):
- _allowances[address(this)][address(router)] = _totalSupply (#490)
- approve(_dexRouter,_totalSupply) (#513)
- _allowances[msg.sender][spender] = amount (#531)
- approve(address(pair),_totalSupply) (#514)
- _allowances[msg.sender][spender] = amount (#531)
- _balances[msg.sender] = _totalSupply (#515)
- autoLiquidityReceiver = msg.sender (#510)
- buyBacker[msg.sender] = true (#500)
- distributor = new DividendDistributor(_dexRouter) (#492)
- distributorAddress = address(distributor) (#493)
- excludeMaxWallet[address(this)] = true (#504)
- excludeMaxWallet[msg.sender] = true (#505)
- excludeMaxWallet[pair] = true (#506)
- excludeMaxWallet[DEAD] = true (#507)
- excludeMaxWallet[_dexRouter] = true (#508)
- isDividendExempt[pair] = true (#497)
- isDividendExempt[address(this)] = true (#498)
- isDividendExempt[DEAD] = true (#499)
- isFeeExempt[msg.sender] = true (#495)
- isFeeExempt[address(this)] = true (#502)
- isTxLimitExempt[msg.sender] = true (#496)
- isTxLimitExempt[address(this)] = true (#503)
- marketingFeeReceiver = msg.sender (#511)
Reentrancy in DividendDistributor.deposit() (#299-317):
External calls:
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: msg.value}(0,path,address(this),block.timestamp) (#306-311)
State variables written after the call(s):
- dividendsPerShare = dividendsPerShare.add(dividendsPerShareAccuracyFactor.mul(amount).div(totalShares)) (#316)
- totalDividends = totalDividends.add(amount) (#315)
Reentrancy in DividendDistributor.distributeDividend(address) (#350-361):
External calls:
- BUSD.transfer(shareholder,amount) (#356)
State variables written after the call(s):
- shareholderClaims[shareholder] = block.timestamp (#357)
Reentrancy in DividendDistributor.setShare(address,uint256) (#283-297):
External calls:
- distributeDividend(shareholder) (#285)
- BUSD.transfer(shareholder,amount) (#356)
State variables written after the call(s):
- addShareholder(shareholder) (#289)
- shareholderIndexes[shareholder] = shareholders.length (#383)
- removeShareholder(shareholder) (#291)
- shareholderIndexes[shareholders[shareholders.length - 1]] = shareholderIndexes[shareholder] (#389)
- addShareholder(shareholder) (#289)
- shareholders.push(shareholder) (#384)
- removeShareholder(shareholder) (#291)
- shareholders[shareholderIndexes[shareholder]] = shareholders[shareholders.length - 1] (#388)
- shareholders.pop() (#390)
- totalShares = totalShares.sub(shares[shareholder].amount).add(amount) (#294)
Reentrancy in MaticEx.triggerAutoBuyback() (#705-710):
External calls:
- buyTokens(autoBuybackAmount,DEAD) (#706)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
State variables written after the call(s):
- autoBuybackAccumulator = autoBuybackAccumulator.add(autoBuybackAmount) (#708)
- autoBuybackBlockLast = block.number (#707)
- autoBuybackEnabled = false (#709)
Reentrancy in MaticEx.triggerZeusBuyback(uint256,bool) (#693-699):
External calls:
- buyTokens(amount,DEAD) (#694)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
State variables written after the call(s):
- buybackMultiplierTriggeredAt = block.timestamp (#696)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in MaticEx._transferFrom(address,address,uint256) (#552-573):
External calls:
- swapBack() (#556)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#651-657)
- distributor.deposit{value: amountBNBReflection}() (#667)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
- triggerAutoBuyback() (#557)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
External calls sending eth:
- swapBack() (#556)
- distributor.deposit{value: amountBNBReflection}() (#667)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
- triggerAutoBuyback() (#557)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#624)
- amountReceived = takeFee(sender,recipient,amount) (#562)
Reentrancy in MaticEx._transferFrom(address,address,uint256) (#552-573):
External calls:
- swapBack() (#556)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#651-657)
- distributor.deposit{value: amountBNBReflection}() (#667)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
- triggerAutoBuyback() (#557)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
- distributor.setShare(sender,_balances[sender]) (#566)
- distributor.setShare(recipient,_balances[recipient]) (#567)
- distributor.process(distributorGas) (#569)
External calls sending eth:
- swapBack() (#556)
- distributor.deposit{value: amountBNBReflection}() (#667)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
- triggerAutoBuyback() (#557)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
Event emitted after the call(s):
- Transfer(sender,recipient,amountReceived) (#571)
Reentrancy in MaticEx.constructor() (#487-517):
External calls:
- pair = IDEXFactory(router.factory()).createPair(WBNB,address(this)) (#489)
Event emitted after the call(s):
- Approval(msg.sender,spender,amount) (#532)
- approve(_dexRouter,_totalSupply) (#513)
- Approval(msg.sender,spender,amount) (#532)
- approve(address(pair),_totalSupply) (#514)
- Transfer(address(0),msg.sender,_totalSupply) (#516)
Reentrancy in MaticEx.swapBack() (#636-683):
External calls:
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#651-657)
- distributor.deposit{value: amountBNBReflection}() (#667)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
External calls sending eth:
- distributor.deposit{value: amountBNBReflection}() (#667)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
Event emitted after the call(s):
- AutoLiquify(amountBNBLiquidity,amountToLiquify) (#681)
Reentrancy in MaticEx.triggerZeusBuyback(uint256,bool) (#693-699):
External calls:
- buyTokens(amount,DEAD) (#694)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
Event emitted after the call(s):
- BuybackMultiplierActive(buybackMultiplierLength) (#697)
Apply the check-effects-interactions pattern.

Additional information: link

MaticEx.shouldTakeFee(address) (#598-600) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#77-82) is never used and should be removed
SafeMath.mod(uint256,uint256) (#66-68) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#84-89) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#9-15) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (#36-41) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#43-48) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#24-34) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#17-22) is never used and should be removed
Remove unused functions.

Additional information: link

MaticEx.defaultMaxWallet (#410) is set pre-construction with a non-constant function or state variable:
- _totalSupply.mul(37).div(1000)
MaticEx._maxWallet (#411) is set pre-construction with a non-constant function or state variable:
- _totalSupply.mul(37).div(1000)
MaticEx.liquidityFee (#435) is set pre-construction with a non-constant function or state variable:
- normalLiquidityFee
MaticEx.buybackFee (#436) is set pre-construction with a non-constant function or state variable:
- normalBuybackFee
MaticEx.reflectionFee (#437) is set pre-construction with a non-constant function or state variable:
- normalReflectionFee
MaticEx.marketingFee (#438) is set pre-construction with a non-constant function or state variable:
- normalMarketingFee
MaticEx.swapThreshold (#476) is set pre-construction with a non-constant function or state variable:
- _totalSupply / 10000
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

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

Function IDEXRouter.WETH() (#176) is not in mixedCase
Parameter DividendDistributor.setDistributionCriteria(uint256,uint256)._minPeriod (#278) is not in mixedCase
Parameter DividendDistributor.setDistributionCriteria(uint256,uint256)._minDistribution (#278) is not in mixedCase
Variable DividendDistributor._token (#232) is not in mixedCase
Variable DividendDistributor.BUSD (#240) is not in mixedCase
Variable DividendDistributor.WBNB (#241) is not in mixedCase
Parameter MaticEx.setAutoBuybackSettings(bool,uint256,uint256,uint256)._enabled (#725) is not in mixedCase
Parameter MaticEx.setAutoBuybackSettings(bool,uint256,uint256,uint256)._cap (#725) is not in mixedCase
Parameter MaticEx.setAutoBuybackSettings(bool,uint256,uint256,uint256)._amount (#725) is not in mixedCase
Parameter MaticEx.setAutoBuybackSettings(bool,uint256,uint256,uint256)._period (#725) is not in mixedCase
Parameter MaticEx.setFees(uint256,uint256,uint256,uint256,uint256)._liquidityFee (#817) is not in mixedCase
Parameter MaticEx.setFees(uint256,uint256,uint256,uint256,uint256)._buybackFee (#817) is not in mixedCase
Parameter MaticEx.setFees(uint256,uint256,uint256,uint256,uint256)._reflectionFee (#817) is not in mixedCase
Parameter MaticEx.setFees(uint256,uint256,uint256,uint256,uint256)._marketingFee (#817) is not in mixedCase
Parameter MaticEx.setFees(uint256,uint256,uint256,uint256,uint256)._feeDenominator (#817) is not in mixedCase
Parameter MaticEx.setFeeReceivers(address,address)._autoLiquidityReceiver (#827) is not in mixedCase
Parameter MaticEx.setFeeReceivers(address,address)._marketingFeeReceiver (#827) is not in mixedCase
Parameter MaticEx.setSwapBackSettings(bool,uint256)._enabled (#832) is not in mixedCase
Parameter MaticEx.setSwapBackSettings(bool,uint256)._amount (#832) is not in mixedCase
Parameter MaticEx.setLiquifyCustom(bool,uint256)._enabled (#836) is not in mixedCase
Parameter MaticEx.setLiquifyCustom(bool,uint256)._amount (#836) is not in mixedCase
Parameter MaticEx.setTargetLiquidity(uint256,uint256)._target (#841) is not in mixedCase
Parameter MaticEx.setTargetLiquidity(uint256,uint256)._denominator (#841) is not in mixedCase
Parameter MaticEx.setDistributionCriteria(uint256,uint256)._minPeriod (#846) is not in mixedCase
Parameter MaticEx.setDistributionCriteria(uint256,uint256)._minDistribution (#846) is not in mixedCase
Parameter MaticEx.getTokenforBurn(address,uint256)._token (#867) is not in mixedCase
Parameter MaticEx.getTokenforBurn(address,uint256)._amount (#867) is not in mixedCase
Parameter MaticEx.getBforLP(uint256)._amount (#879) is not in mixedCase
Parameter MaticEx.getAmountCASupplyForReward(uint256)._amount (#895) is not in mixedCase
Variable MaticEx.BUSD (#398) is not in mixedCase
Variable MaticEx.WBNB (#399) is not in mixedCase
Variable MaticEx.DEAD (#400) is not in mixedCase
Variable MaticEx.ZERO (#401) is not in mixedCase
Variable MaticEx.DEAD_NON_CHECKSUM (#402) is not in mixedCase
Constant MaticEx._name (#404) is not in UPPER_CASE_WITH_UNDERSCORES
Constant MaticEx._symbol (#405) is not in UPPER_CASE_WITH_UNDERSCORES
Constant MaticEx._decimals (#406) is not in UPPER_CASE_WITH_UNDERSCORES
Variable MaticEx._totalSupply (#408) is not in mixedCase
Variable MaticEx._maxTxAmount (#409) is not in mixedCase
Variable MaticEx._maxWallet (#411) is not in mixedCase
Variable MaticEx._balances (#413) is not in mixedCase
Variable MaticEx._allowances (#414) is not in mixedCase
Variable MaticEx.FairLaunchDateTime (#454) is not in mixedCase
Variable MaticEx.FairLaunchedDateTime (#455) is not in mixedCase
Variable MaticEx._dexRouter (#482) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Reentrancy in MaticEx._transferFrom(address,address,uint256) (#552-573):
External calls:
- swapBack() (#556)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
External calls sending eth:
- swapBack() (#556)
- distributor.deposit{value: amountBNBReflection}() (#667)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
- triggerAutoBuyback() (#557)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#717-722)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#559)
- amountReceived = takeFee(sender,recipient,amount) (#562)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (#623)
- _balances[recipient] = _balances[recipient].add(amountReceived) (#564)
- triggerAutoBuyback() (#557)
- autoBuybackAccumulator = autoBuybackAccumulator.add(autoBuybackAmount) (#708)
- triggerAutoBuyback() (#557)
- autoBuybackBlockLast = block.number (#707)
- triggerAutoBuyback() (#557)
- autoBuybackEnabled = false (#709)
- triggerAutoBuyback() (#557)
- inSwap = true (#485)
- inSwap = false (#485)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#624)
- amountReceived = takeFee(sender,recipient,amount) (#562)
- Transfer(sender,recipient,amountReceived) (#571)
Reentrancy in MaticEx.swapBack() (#636-683):
External calls:
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
External calls sending eth:
- distributor.deposit{value: amountBNBReflection}() (#667)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#668)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#673-680)
Event emitted after the call(s):
- AutoLiquify(amountBNBLiquidity,amountToLiquify) (#681)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#181) is too similar to IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#182)
Prevent variables from having similar names.

Additional information: link

MaticEx.slitherConstructorVariables() (#394-911) uses literals with too many digits:
- DEAD = 0x000000000000000000000000000000000000dEaD (#400)
MaticEx.slitherConstructorVariables() (#394-911) uses literals with too many digits:
- ZERO = 0x0000000000000000000000000000000000000000 (#401)
MaticEx.slitherConstructorVariables() (#394-911) uses literals with too many digits:
- DEAD_NON_CHECKSUM = 0x000000000000000000000000000000000000dEaD (#402)
MaticEx.slitherConstructorVariables() (#394-911) uses literals with too many digits:
- distributorGas = 500000 (#473)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

MaticEx.BUSD (#398) is never used in MaticEx (#394-911)
MaticEx.DEAD_NON_CHECKSUM (#402) is never used in MaticEx (#394-911)
MaticEx.launchedAt (#452) is never used in MaticEx (#394-911)
MaticEx.launchedAtTimestamp (#453) is never used in MaticEx (#394-911)
Remove unused state variables.

Additional information: link

DividendDistributor.WBNB (#241) should be constant
DividendDistributor.dividendsPerShareAccuracyFactor (#254) should be constant
MaticEx.BUSD (#398) should be constant
MaticEx.DEAD (#400) should be constant
MaticEx.DEAD_NON_CHECKSUM (#402) should be constant
MaticEx.FairLaunchDateTime (#454) should be constant
MaticEx.ZERO (#401) should be constant
MaticEx._dexRouter (#482) should be constant
MaticEx._totalSupply (#408) should be constant
MaticEx.launchedAt (#452) should be constant
MaticEx.launchedAtTimestamp (#453) should be constant
MaticEx.normalBuybackFee (#422) should be constant
MaticEx.normalLiquidityFee (#421) should be constant
MaticEx.normalMarketingFee (#424) should be constant
MaticEx.normalReflectionFee (#423) should be constant
MaticEx.normalSellTotalFee (#426) should be constant
MaticEx.normalTotalFee (#425) should be constant
MaticEx.preLaunchMarketingBuybackFee (#429) should be constant
MaticEx.preLaunchMarketingFee (#431) should be constant
MaticEx.preLaunchMarketingLiquidityFee (#428) should be constant
MaticEx.preLaunchMarketingReflectionFee (#430) should be constant
MaticEx.preLaunchSellTotalFee (#433) should be constant
MaticEx.preLaunchtotalFee (#432) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

authorize(address) should be declared external:
- Auth.authorize(address) (#133-135)
unauthorize(address) should be declared external:
- Auth.unauthorize(address) (#140-142)
transferOwnership(address) should be declared external:
- Auth.transferOwnership(address) (#161-165)
getMultipliedFee() should be declared external:
- MaticEx.getMultipliedFee() (#608-617)
fairLaunch() should be declared external:
- MaticEx.fairLaunch() (#750-761)
fairLaunchWalletPhase2() should be declared external:
- MaticEx.fairLaunchWalletPhase2() (#762-764)
fairLaunchWalletMax() should be declared external:
- MaticEx.fairLaunchWalletMax() (#765-767)
fairLaunchDonetoNormalFee() should be declared external:
- MaticEx.fairLaunchDonetoNormalFee() (#768-777)
fairLaunchDonetoBacktoNormalDistribution() should be declared external:
- MaticEx.fairLaunchDonetoBacktoNormalDistribution() (#778-786)
setConfigF(address[],bool) should be declared external:
- MaticEx.setConfigF(address[],bool) (#806-810)
setConfigM(address[],bool) should be declared external:
- MaticEx.setConfigM(address[],bool) (#811-815)
getTokenforBurn(address,uint256) should be declared external:
- MaticEx.getTokenforBurn(address,uint256) (#867-869)
getBforLP(uint256) should be declared external:
- MaticEx.getBforLP(uint256) (#879-881)
getClearCASupplyForReward() should be declared external:
- MaticEx.getClearCASupplyForReward() (#883-894)
getAmountCASupplyForReward(uint256) should be declared external:
- MaticEx.getAmountCASupplyForReward(uint256) (#895-906)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


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


Number of Binance Smart Chain (BSC) token holders is low.


Token is deployed only at one blockchain


Token has only one trading pair


Unable to find PancakeSwap trading pair to compute liquidity.


Unable to find PancakeSwap trading pair to compute volume.


Unable to find PancakeSwap trading pair to compute number of swaps.


Unable to find Telegram and Twitter accounts


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


Token is marked as scam (rug pull, honeypot, phishing, etc.)

Additional information: link


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


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank

Price for $MEX