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M1Verse [MetaOneVerse] Token

About M1Verse

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Token 7 months
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MetaOneverse is a HyperDeflationary Token with Metaverse Development , Staking, MetaOneVerse Charity Programme , NFT marketplace, Blockchain development & Web 3 apps

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Laser Scorebeta Last Audit: 2 July 2022

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Token is either risky or in presale. For presale 30+ is a fine score.

DividendDistributor.distributeDividend(address) (#353-364) ignores return value by BUSD.transfer(shareholder,amount) (#359)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

MetaOneVerse.swapBack() (#597-639) sends eth to arbitrary user
Dangerous calls:
- distributor.deposit{value: amountBNBReflection}() (#623)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
MetaOneVerse.buyTokens(uint256,address) (#668-679) sends eth to arbitrary user
Dangerous calls:
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in MetaOneVerse._transferFrom(address,address,uint256) (#522-545):
External calls:
- swapBack() (#527)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#607-613)
- distributor.deposit{value: amountBNBReflection}() (#623)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
- triggerAutoBuyback() (#528)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
External calls sending eth:
- swapBack() (#527)
- distributor.deposit{value: amountBNBReflection}() (#623)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
- triggerAutoBuyback() (#528)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#532)
- _balances[recipient] = _balances[recipient].add(amountReceived) (#536)
- amountReceived = takeFee(sender,recipient,amount) (#534)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (#584)
- triggerAutoBuyback() (#528)
- inSwap = true (#461)
- inSwap = false (#461)
Apply the check-effects-interactions pattern.

Additional information: link


Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains


Contract ownership is not renounced (belongs to a wallet)


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.


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.


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.

Auth.transferOwnership(address).adr (#163) lacks a zero-check on :
- owner = adr (#164)
MetaOneVerse.setFeeReceivers(address,address)._autoLiquidityReceiver (#740) lacks a zero-check on :
- autoLiquidityReceiver = _autoLiquidityReceiver (#741)
MetaOneVerse.setFeeReceivers(address,address)._marketingFeeReceiver (#740) lacks a zero-check on :
- marketingFeeReceiver = _marketingFeeReceiver (#742)
Check that the address is not zero.

Additional information: link

DividendDistributor.distributeDividend(address) (#353-364) has external calls inside a loop: BUSD.transfer(shareholder,amount) (#359)
Favor pull over push strategy for external calls.

Additional information: link

DividendDistributor.process(uint256) (#322-346) has costly operations inside a loop:
- currentIndex = 0 (#334)
DividendDistributor.distributeDividend(address) (#353-364) has costly operations inside a loop:
- totalDistributed = totalDistributed.add(amount) (#358)
DividendDistributor.process(uint256) (#322-346) has costly operations inside a loop:
- currentIndex ++ (#343)
Use a local variable to hold the loop computation result.

Additional information: link

Variable IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#183) is too similar to IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#184)
Prevent variables from having similar names.

Additional information: link

MetaOneVerse.BUSD (#401) is never used in MetaOneVerse (#397-779)
MetaOneVerse.DEAD_NON_CHECKSUM (#405) is never used in MetaOneVerse (#397-779)
Remove unused state variables.

Additional information: link

MetaOneVerse.swapBack() (#597-639) ignores return value by router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
Ensure that all the return values of the function calls are used.

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

MetaOneVerse.onlyBuybacker() (#496) compares to a boolean constant:
-require(bool,string)(buyBacker[msg.sender] == true,) (#496)
Remove the equality to the boolean constant.

Additional information: link

DividendDistributor.WBNB (#243) should be constant
DividendDistributor.dividendsPerShareAccuracyFactor (#256) should be constant
MetaOneVerse.BUSD (#401) should be constant
MetaOneVerse.DEAD (#403) should be constant
MetaOneVerse.DEAD_NON_CHECKSUM (#405) should be constant
MetaOneVerse.ZERO (#404) should be constant
MetaOneVerse._totalSupply (#411) 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) (#135-137)
unauthorize(address) should be declared external:
- Auth.unauthorize(address) (#142-144)
transferOwnership(address) should be declared external:
- Auth.transferOwnership(address) (#163-167)
launch() should be declared external:
- MetaOneVerse.launch() (#701-705)
Use the external attribute for functions never called from the contract.

Additional information: link

Reentrancy in MetaOneVerse.constructor(address) (#463-487):
External calls:
- pair = IDEXFactory(router.factory()).createPair(WBNB,address(this)) (#467)
State variables written after the call(s):
- WBNB = router.WETH() (#469)
Reentrancy in DividendDistributor.distributeDividend(address) (#353-364):
External calls:
- BUSD.transfer(shareholder,amount) (#359)
State variables written after the call(s):
- shares[shareholder].totalRealised = shares[shareholder].totalRealised.add(amount) (#361)
- shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount) (#362)
Reentrancy in DividendDistributor.process(uint256) (#322-346):
External calls:
- distributeDividend(shareholders[currentIndex]) (#338)
- BUSD.transfer(shareholder,amount) (#359)
State variables written after the call(s):
- currentIndex ++ (#343)
Reentrancy in DividendDistributor.setShare(address,uint256) (#286-300):
External calls:
- distributeDividend(shareholder) (#288)
- BUSD.transfer(shareholder,amount) (#359)
State variables written after the call(s):
- shares[shareholder].amount = amount (#298)
- shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount) (#299)
Apply the check-effects-interactions pattern.

Additional information: link

DividendDistributor.setDistributionCriteria(uint256,uint256) (#281-284) should emit an event for:
- minPeriod = _minPeriod (#282)
- minDistribution = _minDistribution (#283)
MetaOneVerse.setAutoBuybackSettings(bool,uint256,uint256,uint256) (#681-688) should emit an event for:
- autoBuybackCap = _cap (#683)
- autoBuybackAmount = _amount (#685)
MetaOneVerse.setBuybackMultiplierSettings(uint256,uint256,uint256) (#690-695) should emit an event for:
- buybackMultiplierNumerator = numerator (#692)
- buybackMultiplierDenominator = denominator (#693)
- buybackMultiplierLength = length (#694)
MetaOneVerse.setTxLimit(uint256) (#707-710) should emit an event for:
- _maxTxAmount = amount (#709)
MetaOneVerse.setFees(uint256,uint256,uint256,uint256,uint256) (#730-738) should emit an event for:
- liquidityFee = _liquidityFee (#731)
- reflectionFee = _reflectionFee (#733)
- marketingFee = _marketingFee (#734)
- totalFee = _liquidityFee.add(_buybackFee).add(_reflectionFee).add(_marketingFee) (#735)
- feeDenominator = _feeDenominator (#736)
MetaOneVerse.setSwapBackSettings(bool,uint256) (#745-748) should emit an event for:
- swapThreshold = _amount (#747)
MetaOneVerse.setTargetLiquidity(uint256,uint256) (#750-753) should emit an event for:
- targetLiquidity = _target (#751)
- targetLiquidityDenominator = _denominator (#752)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in MetaOneVerse.constructor(address) (#463-487):
External calls:
- pair = IDEXFactory(router.factory()).createPair(WBNB,address(this)) (#467)
State variables written after the call(s):
- _allowances[address(this)][address(router)] = _totalSupply (#468)
- approve(_dexRouter,_totalSupply) (#483)
- _allowances[msg.sender][spender] = amount (#501)
- approve(address(pair),_totalSupply) (#484)
- _allowances[msg.sender][spender] = amount (#501)
- _balances[msg.sender] = _totalSupply (#485)
- autoLiquidityReceiver = msg.sender (#480)
- buyBacker[msg.sender] = true (#478)
- distributor = new DividendDistributor(_dexRouter) (#470)
- distributorAddress = address(distributor) (#471)
- isDividendExempt[pair] = true (#475)
- isDividendExempt[address(this)] = true (#476)
- isDividendExempt[DEAD] = true (#477)
- isFeeExempt[msg.sender] = true (#473)
- isTxLimitExempt[msg.sender] = true (#474)
- marketingFeeReceiver = msg.sender (#481)
Reentrancy in DividendDistributor.deposit() (#302-320):
External calls:
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: msg.value}(0,path,address(this),block.timestamp) (#309-314)
State variables written after the call(s):
- dividendsPerShare = dividendsPerShare.add(dividendsPerShareAccuracyFactor.mul(amount).div(totalShares)) (#319)
- totalDividends = totalDividends.add(amount) (#318)
Reentrancy in DividendDistributor.distributeDividend(address) (#353-364):
External calls:
- BUSD.transfer(shareholder,amount) (#359)
State variables written after the call(s):
- shareholderClaims[shareholder] = block.timestamp (#360)
Reentrancy in DividendDistributor.setShare(address,uint256) (#286-300):
External calls:
- distributeDividend(shareholder) (#288)
- BUSD.transfer(shareholder,amount) (#359)
State variables written after the call(s):
- addShareholder(shareholder) (#292)
- shareholderIndexes[shareholder] = shareholders.length (#386)
- removeShareholder(shareholder) (#294)
- shareholderIndexes[shareholders[shareholders.length - 1]] = shareholderIndexes[shareholder] (#392)
- addShareholder(shareholder) (#292)
- shareholders.push(shareholder) (#387)
- removeShareholder(shareholder) (#294)
- shareholders[shareholderIndexes[shareholder]] = shareholders[shareholders.length - 1] (#391)
- shareholders.pop() (#393)
- totalShares = totalShares.sub(shares[shareholder].amount).add(amount) (#297)
Reentrancy in MetaOneVerse.triggerAutoBuyback() (#661-666):
External calls:
- buyTokens(autoBuybackAmount,DEAD) (#662)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
State variables written after the call(s):
- autoBuybackAccumulator = autoBuybackAccumulator.add(autoBuybackAmount) (#664)
- autoBuybackBlockLast = block.number (#663)
- autoBuybackEnabled = false (#665)
Reentrancy in MetaOneVerse.triggerZeusBuyback(uint256,bool) (#649-655):
External calls:
- buyTokens(amount,DEAD) (#650)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
State variables written after the call(s):
- buybackMultiplierTriggeredAt = block.timestamp (#652)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in MetaOneVerse._transferFrom(address,address,uint256) (#522-545):
External calls:
- swapBack() (#527)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#607-613)
- distributor.deposit{value: amountBNBReflection}() (#623)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
- triggerAutoBuyback() (#528)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
- distributor.setShare(sender,_balances[sender]) (#538)
- distributor.setShare(recipient,_balances[recipient]) (#539)
- distributor.process(distributorGas) (#541)
External calls sending eth:
- swapBack() (#527)
- distributor.deposit{value: amountBNBReflection}() (#623)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
- triggerAutoBuyback() (#528)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
Event emitted after the call(s):
- Transfer(sender,recipient,amountReceived) (#543)
Reentrancy in MetaOneVerse._transferFrom(address,address,uint256) (#522-545):
External calls:
- swapBack() (#527)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#607-613)
- distributor.deposit{value: amountBNBReflection}() (#623)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
- triggerAutoBuyback() (#528)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
External calls sending eth:
- swapBack() (#527)
- distributor.deposit{value: amountBNBReflection}() (#623)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
- triggerAutoBuyback() (#528)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#585)
- amountReceived = takeFee(sender,recipient,amount) (#534)
Reentrancy in MetaOneVerse.constructor(address) (#463-487):
External calls:
- pair = IDEXFactory(router.factory()).createPair(WBNB,address(this)) (#467)
Event emitted after the call(s):
- Approval(msg.sender,spender,amount) (#502)
- approve(_dexRouter,_totalSupply) (#483)
- Approval(msg.sender,spender,amount) (#502)
- approve(address(pair),_totalSupply) (#484)
- Transfer(address(0),msg.sender,_totalSupply) (#486)
Reentrancy in MetaOneVerse.swapBack() (#597-639):
External calls:
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#607-613)
- distributor.deposit{value: amountBNBReflection}() (#623)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
External calls sending eth:
- distributor.deposit{value: amountBNBReflection}() (#623)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
Event emitted after the call(s):
- AutoLiquify(amountBNBLiquidity,amountToLiquify) (#637)
Reentrancy in MetaOneVerse.triggerZeusBuyback(uint256,bool) (#649-655):
External calls:
- buyTokens(amount,DEAD) (#650)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
Event emitted after the call(s):
- BuybackMultiplierActive(buybackMultiplierLength) (#653)
Apply the check-effects-interactions pattern.

Additional information: link

DividendDistributor.shouldDistribute(address) (#348-351) uses timestamp for comparisons
Dangerous comparisons:
- shareholderClaims[shareholder] + minPeriod < block.timestamp && getUnpaidEarnings(shareholder) > minDistribution (#349-350)
MetaOneVerse.getMultipliedFee() (#570-579) uses timestamp for comparisons
Dangerous comparisons:
- launchedAtTimestamp + 86400 > block.timestamp (#571)
- buybackMultiplierTriggeredAt.add(buybackMultiplierLength) > block.timestamp (#573)
MetaOneVerse.shouldSwapBack() (#590-595) uses timestamp for comparisons
Dangerous comparisons:
- msg.sender != pair && ! inSwap && swapEnabled && _balances[address(this)] >= swapThreshold (#591-594)
MetaOneVerse.isOverLiquified(uint256,uint256) (#772-774) uses timestamp for comparisons
Dangerous comparisons:
- getLiquidityBacking(accuracy) > target (#773)
Avoid relying on block.timestamp.

Additional information: link

MetaOneVerse.launched() (#697-699) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#79-84) is never used and should be removed
SafeMath.mod(uint256,uint256) (#68-70) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#86-91) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#11-17) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (#38-43) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#45-50) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#26-36) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#19-24) is never used and should be removed
Remove unused functions.

Additional information: link

MetaOneVerse._maxTxAmount (#412) is set pre-construction with a non-constant function or state variable:
- _totalSupply.div(400)
MetaOneVerse.swapThreshold (#459) is set pre-construction with a non-constant function or state variable:
- _totalSupply / 2000
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

Function IDEXRouter.WETH() (#178) is not in mixedCase
Parameter DividendDistributor.setDistributionCriteria(uint256,uint256)._minPeriod (#281) is not in mixedCase
Parameter DividendDistributor.setDistributionCriteria(uint256,uint256)._minDistribution (#281) is not in mixedCase
Variable DividendDistributor._token (#234) is not in mixedCase
Variable DividendDistributor.BUSD (#242) is not in mixedCase
Variable DividendDistributor.WBNB (#243) is not in mixedCase
Parameter MetaOneVerse.setAutoBuybackSettings(bool,uint256,uint256,uint256)._enabled (#681) is not in mixedCase
Parameter MetaOneVerse.setAutoBuybackSettings(bool,uint256,uint256,uint256)._cap (#681) is not in mixedCase
Parameter MetaOneVerse.setAutoBuybackSettings(bool,uint256,uint256,uint256)._amount (#681) is not in mixedCase
Parameter MetaOneVerse.setAutoBuybackSettings(bool,uint256,uint256,uint256)._period (#681) is not in mixedCase
Parameter MetaOneVerse.setFees(uint256,uint256,uint256,uint256,uint256)._liquidityFee (#730) is not in mixedCase
Parameter MetaOneVerse.setFees(uint256,uint256,uint256,uint256,uint256)._buybackFee (#730) is not in mixedCase
Parameter MetaOneVerse.setFees(uint256,uint256,uint256,uint256,uint256)._reflectionFee (#730) is not in mixedCase
Parameter MetaOneVerse.setFees(uint256,uint256,uint256,uint256,uint256)._marketingFee (#730) is not in mixedCase
Parameter MetaOneVerse.setFees(uint256,uint256,uint256,uint256,uint256)._feeDenominator (#730) is not in mixedCase
Parameter MetaOneVerse.setFeeReceivers(address,address)._autoLiquidityReceiver (#740) is not in mixedCase
Parameter MetaOneVerse.setFeeReceivers(address,address)._marketingFeeReceiver (#740) is not in mixedCase
Parameter MetaOneVerse.setSwapBackSettings(bool,uint256)._enabled (#745) is not in mixedCase
Parameter MetaOneVerse.setSwapBackSettings(bool,uint256)._amount (#745) is not in mixedCase
Parameter MetaOneVerse.setTargetLiquidity(uint256,uint256)._target (#750) is not in mixedCase
Parameter MetaOneVerse.setTargetLiquidity(uint256,uint256)._denominator (#750) is not in mixedCase
Parameter MetaOneVerse.setDistributionCriteria(uint256,uint256)._minPeriod (#755) is not in mixedCase
Parameter MetaOneVerse.setDistributionCriteria(uint256,uint256)._minDistribution (#755) is not in mixedCase
Variable MetaOneVerse.BUSD (#401) is not in mixedCase
Variable MetaOneVerse.WBNB (#402) is not in mixedCase
Variable MetaOneVerse.DEAD (#403) is not in mixedCase
Variable MetaOneVerse.ZERO (#404) is not in mixedCase
Variable MetaOneVerse.DEAD_NON_CHECKSUM (#405) is not in mixedCase
Constant MetaOneVerse._name (#407) is not in UPPER_CASE_WITH_UNDERSCORES
Constant MetaOneVerse._symbol (#408) is not in UPPER_CASE_WITH_UNDERSCORES
Constant MetaOneVerse._decimals (#409) is not in UPPER_CASE_WITH_UNDERSCORES
Variable MetaOneVerse._totalSupply (#411) is not in mixedCase
Variable MetaOneVerse._maxTxAmount (#412) is not in mixedCase
Variable MetaOneVerse._balances (#414) is not in mixedCase
Variable MetaOneVerse._allowances (#415) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Reentrancy in MetaOneVerse._transferFrom(address,address,uint256) (#522-545):
External calls:
- swapBack() (#527)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
External calls sending eth:
- swapBack() (#527)
- distributor.deposit{value: amountBNBReflection}() (#623)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
- triggerAutoBuyback() (#528)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#673-678)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#532)
- _balances[recipient] = _balances[recipient].add(amountReceived) (#536)
- amountReceived = takeFee(sender,recipient,amount) (#534)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (#584)
- triggerAutoBuyback() (#528)
- autoBuybackAccumulator = autoBuybackAccumulator.add(autoBuybackAmount) (#664)
- triggerAutoBuyback() (#528)
- autoBuybackBlockLast = block.number (#663)
- triggerAutoBuyback() (#528)
- autoBuybackEnabled = false (#665)
- triggerAutoBuyback() (#528)
- inSwap = true (#461)
- inSwap = false (#461)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#585)
- amountReceived = takeFee(sender,recipient,amount) (#534)
- Transfer(sender,recipient,amountReceived) (#543)
Reentrancy in MetaOneVerse.swapBack() (#597-639):
External calls:
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
External calls sending eth:
- distributor.deposit{value: amountBNBReflection}() (#623)
- address(marketingFeeReceiver).transfer(amountBNBMarketing) (#624)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,autoLiquidityReceiver,block.timestamp) (#629-636)
Event emitted after the call(s):
- AutoLiquify(amountBNBLiquidity,amountToLiquify) (#637)
Apply the check-effects-interactions pattern.

Additional information: link

MetaOneVerse.slitherConstructorVariables() (#397-779) uses literals with too many digits:
- DEAD = 0x000000000000000000000000000000000000dEaD (#403)
MetaOneVerse.slitherConstructorVariables() (#397-779) uses literals with too many digits:
- ZERO = 0x0000000000000000000000000000000000000000 (#404)
MetaOneVerse.slitherConstructorVariables() (#397-779) uses literals with too many digits:
- DEAD_NON_CHECKSUM = 0x000000000000000000000000000000000000dEaD (#405)
MetaOneVerse.slitherConstructorVariables() (#397-779) uses literals with too many digits:
- distributorGas = 500000 (#456)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Holders:

Contract has 11% buy tax and 11% sell tax.
Taxes are suspiciously high (over 10%) and contract ownership is not renounced. Token has a high risk of becoming a honeypot.


Swap operations require suspiciously high gas. Contract logic is complex and may disguise some form of scam.


Token is deployed only at one blockchain


Token has only one trading pair


Unable to find Blog account (Reddit or Medium)


Unable to find Youtube account


Unable to find Discord account


Unable to find token on CoinMarketCap

Additional information: link


Token is not listed at Mobula.Finance

Additional information: link


Unable to find code repository for the project


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


Token has no active CoinMarketCap listing / rank


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Token has relatively low CoinGecko rank

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