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Cupid Billionaire Token

About Cupid Billionaire

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Token 3 months

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Cupid Billionaire aims to reward diamond holders. Stealth launch

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Laser Scorebeta Last Audit: 4 February 2022

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

CupidBillionaireOfficial.swapBack() (#333-376) sends eth to arbitrary user
Dangerous calls:
- (MarketingSuccess) = address(marketingFeeReceiver).call{gas: 30000,value: amountBNBMarketing}() (#368)
- (buybackSuccess) = address(buybackFeeReceiver).call{gas: 30000,value: amountBNBbuyback}() (#370)
- (devSuccess) = address(devFeeReceiver).call{gas: 30000,value: amountBNBDev}() (#372)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in CupidBillionaireOfficial._transferFrom(address,address,uint256) (#254-287):
External calls:
- swapBack() (#278)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,autoLiquidityReceiver,block.timestamp) (#380-387)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#351-357)
- (MarketingSuccess) = address(marketingFeeReceiver).call{gas: 30000,value: amountBNBMarketing}() (#368)
- (buybackSuccess) = address(buybackFeeReceiver).call{gas: 30000,value: amountBNBbuyback}() (#370)
- (devSuccess) = address(devFeeReceiver).call{gas: 30000,value: amountBNBDev}() (#372)
External calls sending eth:
- swapBack() (#278)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,autoLiquidityReceiver,block.timestamp) (#380-387)
- (MarketingSuccess) = address(marketingFeeReceiver).call{gas: 30000,value: amountBNBMarketing}() (#368)
- (buybackSuccess) = address(buybackFeeReceiver).call{gas: 30000,value: amountBNBbuyback}() (#370)
- (devSuccess) = address(devFeeReceiver).call{gas: 30000,value: amountBNBDev}() (#372)
State variables written after the call(s):
- _balances[sender] = _balances[sender] - amount (#280)
- _balances[recipient] = _balances[recipient] + amountReceived (#283)
- amountReceived = takeFee(recipient,amount) (#282)
- _balances[address(this)] = _balances[address(this)] + (feeAmount) (#320)
Apply the check-effects-interactions pattern.

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.

Contract ticker (Cupid Billionaire) 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.

Contract ticker (Cupid Billionaire) has length of 17 chars.
Not a direct threat, but may indicate unreliable intentions of developer.

CupidBillionaireOfficial.takeFee(address,uint256) (#317-324) performs a multiplication on the result of a division:
-feeAmount = amount / 100 * (totalFee) (#318)
CupidBillionaireOfficial.swapBack() (#333-376) performs a multiplication on the result of a division:
-amountToLiquify = tokensToSell / (totalFee) * (liquidityFee) / (2) (#342)
CupidBillionaireOfficial.setSwapBackSettings(bool,uint256,uint256) (#437-441) performs a multiplication on the result of a division:
-swapThreshold = _totalSupply / (10000) * (_percentage_min_base10000) (#439)
CupidBillionaireOfficial.setSwapBackSettings(bool,uint256,uint256) (#437-441) performs a multiplication on the result of a division:
-maxSwapSize = _totalSupply / (10000) * (_percentage_max_base10000) (#440)
CupidBillionaireOfficial.setMaxWalletPercent_base1000(uint256) (#451-453) performs a multiplication on the result of a division:
-_maxWalletToken = _totalSupply / (1000) * (maxWallPercent_base1000) (#452)
CupidBillionaireOfficial.setMaxBuyTxPercent_base1000(uint256) (#455-457) performs a multiplication on the result of a division:
-_maxBuyTxAmount = _totalSupply / (1000) * (maxBuyTXPercentage_base1000) (#456)
CupidBillionaireOfficial.setMaxSellTxPercent_base1000(uint256) (#459-461) performs a multiplication on the result of a division:
-_maxSellTxAmount = _totalSupply / (1000) * (maxSellTXPercentage_base1000) (#460)
CupidBillionaireOfficial.slitherConstructorVariables() (#154-476) performs a multiplication on the result of a division:
-_maxBuyTxAmount = _totalSupply / (100) * (2) (#190)
CupidBillionaireOfficial.slitherConstructorVariables() (#154-476) performs a multiplication on the result of a division:
-_maxSellTxAmount = _totalSupply / (100) * (1) (#191)
CupidBillionaireOfficial.slitherConstructorVariables() (#154-476) performs a multiplication on the result of a division:
-_maxWalletToken = _totalSupply / (100) * (3) (#192)
CupidBillionaireOfficial.slitherConstructorVariables() (#154-476) performs a multiplication on the result of a division:
-swapThreshold = _totalSupply / 1000 * 1 (#204)
CupidBillionaireOfficial.slitherConstructorVariables() (#154-476) performs a multiplication on the result of a division:
-maxSwapSize = _totalSupply / 100 * 1 (#205)
Consider ordering multiplication before division.

Additional information: link

CupidBillionaireOfficial.addLiquidity(uint256,uint256) (#378-390) ignores return value by router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,autoLiquidityReceiver,block.timestamp) (#380-387)
Ensure that all the return values of the function calls are used.

Additional information: link

CupidBillionaireOfficial.setBuyFees(uint256,uint256,uint256,uint256) (#414-420) should emit an event for:
- BuyliquidityFee = _liquidityFee (#415)
- BuybuybackFee = _buybackFee (#416)
- BuymarketingFee = _marketingFee (#417)
- BuydevFee = _devFee (#418)
- BuytotalFee = _liquidityFee + (_buybackFee) + (_marketingFee) + (_devFee) (#419)
CupidBillionaireOfficial.setSellFees(uint256,uint256,uint256,uint256) (#422-428) should emit an event for:
- SellliquidityFee = _liquidityFee (#423)
- SellbuybackFee = _buybackFee (#424)
- SellmarketingFee = _marketingFee (#425)
- SelldevFee = _devFee (#426)
- SelltotalFee = _liquidityFee + (_buybackFee) + (_marketingFee) + (_devFee) (#427)
CupidBillionaireOfficial.setSwapBackSettings(bool,uint256,uint256) (#437-441) should emit an event for:
- swapThreshold = _totalSupply / (10000) * (_percentage_min_base10000) (#439)
- maxSwapSize = _totalSupply / (10000) * (_percentage_max_base10000) (#440)
CupidBillionaireOfficial.setMaxWalletPercent_base1000(uint256) (#451-453) should emit an event for:
- _maxWalletToken = _totalSupply / (1000) * (maxWallPercent_base1000) (#452)
CupidBillionaireOfficial.setMaxBuyTxPercent_base1000(uint256) (#455-457) should emit an event for:
- _maxBuyTxAmount = _totalSupply / (1000) * (maxBuyTXPercentage_base1000) (#456)
CupidBillionaireOfficial.setMaxSellTxPercent_base1000(uint256) (#459-461) should emit an event for:
- _maxSellTxAmount = _totalSupply / (1000) * (maxSellTXPercentage_base1000) (#460)
Emit an event for critical parameter changes.

Additional information: link

CupidBillionaireOfficial.setFeeReceivers(address,address,address,address)._autoLiquidityReceiver (#430) lacks a zero-check on :
- autoLiquidityReceiver = _autoLiquidityReceiver (#431)
CupidBillionaireOfficial.setFeeReceivers(address,address,address,address)._marketingFeeReceiver (#430) lacks a zero-check on :
- marketingFeeReceiver = _marketingFeeReceiver (#432)
CupidBillionaireOfficial.setFeeReceivers(address,address,address,address)._buybackFeeReceiver (#430) lacks a zero-check on :
- buybackFeeReceiver = _buybackFeeReceiver (#433)
CupidBillionaireOfficial.setFeeReceivers(address,address,address,address)._devFeeReceiver (#430) lacks a zero-check on :
- devFeeReceiver = _devFeeReceiver (#434)
Check that the address is not zero.

Additional information: link

Reentrancy in CupidBillionaireOfficial.constructor() (#211-221):
External calls:
- pair = IDEXFactory(router.factory()).createPair(WBNB,address(this)) (#213)
State variables written after the call(s):
- _allowances[address(this)][address(router)] = type()(uint256).max (#214)
- _balances[msg.sender] = _totalSupply (#219)
- isFeeExempt[msg.sender] = true (#216)
- isTxLimitExempt[msg.sender] = true (#217)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in CupidBillionaireOfficial._transferFrom(address,address,uint256) (#254-287):
External calls:
- swapBack() (#278)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,autoLiquidityReceiver,block.timestamp) (#380-387)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#351-357)
- (MarketingSuccess) = address(marketingFeeReceiver).call{gas: 30000,value: amountBNBMarketing}() (#368)
- (buybackSuccess) = address(buybackFeeReceiver).call{gas: 30000,value: amountBNBbuyback}() (#370)
- (devSuccess) = address(devFeeReceiver).call{gas: 30000,value: amountBNBDev}() (#372)
External calls sending eth:
- swapBack() (#278)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,autoLiquidityReceiver,block.timestamp) (#380-387)
- (MarketingSuccess) = address(marketingFeeReceiver).call{gas: 30000,value: amountBNBMarketing}() (#368)
- (buybackSuccess) = address(buybackFeeReceiver).call{gas: 30000,value: amountBNBbuyback}() (#370)
- (devSuccess) = address(devFeeReceiver).call{gas: 30000,value: amountBNBDev}() (#372)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#321)
- amountReceived = takeFee(recipient,amount) (#282)
- Transfer(sender,recipient,amountReceived) (#285)
Reentrancy in CupidBillionaireOfficial.addLiquidity(uint256,uint256) (#378-390):
External calls:
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,autoLiquidityReceiver,block.timestamp) (#380-387)
Event emitted after the call(s):
- AutoLiquify(bnbAmount,tokenAmount) (#388)
Reentrancy in CupidBillionaireOfficial.constructor() (#211-221):
External calls:
- pair = IDEXFactory(router.factory()).createPair(WBNB,address(this)) (#213)
Event emitted after the call(s):
- Transfer(address(0),msg.sender,_totalSupply) (#220)
Reentrancy in CupidBillionaireOfficial.swapBack() (#333-376):
External calls:
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#351-357)
- (MarketingSuccess) = address(marketingFeeReceiver).call{gas: 30000,value: amountBNBMarketing}() (#368)
- (buybackSuccess) = address(buybackFeeReceiver).call{gas: 30000,value: amountBNBbuyback}() (#370)
- (devSuccess) = address(devFeeReceiver).call{gas: 30000,value: amountBNBDev}() (#372)
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#375)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,autoLiquidityReceiver,block.timestamp) (#380-387)
External calls sending eth:
- (MarketingSuccess) = address(marketingFeeReceiver).call{gas: 30000,value: amountBNBMarketing}() (#368)
- (buybackSuccess) = address(buybackFeeReceiver).call{gas: 30000,value: amountBNBbuyback}() (#370)
- (devSuccess) = address(devFeeReceiver).call{gas: 30000,value: amountBNBDev}() (#372)
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#375)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,autoLiquidityReceiver,block.timestamp) (#380-387)
Event emitted after the call(s):
- AutoLiquify(bnbAmount,tokenAmount) (#388)
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#375)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.Ownershipunlock() (#86-91) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked) (#88)
Avoid relying on block.timestamp.

Additional information: link

CupidBillionaireOfficial.BuytotalFee (#181) is set pre-construction with a non-constant function or state variable:
- BuyliquidityFee + BuydevFee + BuymarketingFee + BuybuybackFee
CupidBillionaireOfficial.SelltotalFee (#187) is set pre-construction with a non-constant function or state variable:
- SellliquidityFee + SelldevFee + SellmarketingFee + SellbuybackFee
CupidBillionaireOfficial._maxBuyTxAmount (#190) is set pre-construction with a non-constant function or state variable:
- _totalSupply / (100) * (2)
CupidBillionaireOfficial._maxSellTxAmount (#191) is set pre-construction with a non-constant function or state variable:
- _totalSupply / (100) * (1)
CupidBillionaireOfficial._maxWalletToken (#192) is set pre-construction with a non-constant function or state variable:
- _totalSupply / (100) * (3)
CupidBillionaireOfficial.swapThreshold (#204) is set pre-construction with a non-constant function or state variable:
- _totalSupply / 1000 * 1
CupidBillionaireOfficial.maxSwapSize (#205) is set pre-construction with a non-constant function or state variable:
- _totalSupply / 100 * 1
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

Low level call in CupidBillionaireOfficial.swapBack() (#333-376):
- (MarketingSuccess) = address(marketingFeeReceiver).call{gas: 30000,value: amountBNBMarketing}() (#368)
- (buybackSuccess) = address(buybackFeeReceiver).call{gas: 30000,value: amountBNBbuyback}() (#370)
- (devSuccess) = address(devFeeReceiver).call{gas: 30000,value: amountBNBDev}() (#372)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function Ownable.Ownershiplock(uint256) (#79-84) is not in mixedCase
Function Ownable.Ownershipunlock() (#86-91) is not in mixedCase
Function IDEXRouter.WETH() (#104) is not in mixedCase
Parameter CupidBillionaireOfficial.setBuyFees(uint256,uint256,uint256,uint256)._liquidityFee (#414) is not in mixedCase
Parameter CupidBillionaireOfficial.setBuyFees(uint256,uint256,uint256,uint256)._buybackFee (#414) is not in mixedCase
Parameter CupidBillionaireOfficial.setBuyFees(uint256,uint256,uint256,uint256)._marketingFee (#414) is not in mixedCase
Parameter CupidBillionaireOfficial.setBuyFees(uint256,uint256,uint256,uint256)._devFee (#414) is not in mixedCase
Parameter CupidBillionaireOfficial.setSellFees(uint256,uint256,uint256,uint256)._liquidityFee (#422) is not in mixedCase
Parameter CupidBillionaireOfficial.setSellFees(uint256,uint256,uint256,uint256)._buybackFee (#422) is not in mixedCase
Parameter CupidBillionaireOfficial.setSellFees(uint256,uint256,uint256,uint256)._marketingFee (#422) is not in mixedCase
Parameter CupidBillionaireOfficial.setSellFees(uint256,uint256,uint256,uint256)._devFee (#422) is not in mixedCase
Parameter CupidBillionaireOfficial.setFeeReceivers(address,address,address,address)._autoLiquidityReceiver (#430) is not in mixedCase
Parameter CupidBillionaireOfficial.setFeeReceivers(address,address,address,address)._marketingFeeReceiver (#430) is not in mixedCase
Parameter CupidBillionaireOfficial.setFeeReceivers(address,address,address,address)._buybackFeeReceiver (#430) is not in mixedCase
Parameter CupidBillionaireOfficial.setFeeReceivers(address,address,address,address)._devFeeReceiver (#430) is not in mixedCase
Parameter CupidBillionaireOfficial.setSwapBackSettings(bool,uint256,uint256)._enabled (#437) is not in mixedCase
Parameter CupidBillionaireOfficial.setSwapBackSettings(bool,uint256,uint256)._percentage_min_base10000 (#437) is not in mixedCase
Parameter CupidBillionaireOfficial.setSwapBackSettings(bool,uint256,uint256)._percentage_max_base10000 (#437) is not in mixedCase
Function CupidBillionaireOfficial.setMaxWalletPercent_base1000(uint256) (#451-453) is not in mixedCase
Parameter CupidBillionaireOfficial.setMaxWalletPercent_base1000(uint256).maxWallPercent_base1000 (#451) is not in mixedCase
Function CupidBillionaireOfficial.setMaxBuyTxPercent_base1000(uint256) (#455-457) is not in mixedCase
Parameter CupidBillionaireOfficial.setMaxBuyTxPercent_base1000(uint256).maxBuyTXPercentage_base1000 (#455) is not in mixedCase
Function CupidBillionaireOfficial.setMaxSellTxPercent_base1000(uint256) (#459-461) is not in mixedCase
Parameter CupidBillionaireOfficial.setMaxSellTxPercent_base1000(uint256).maxSellTXPercentage_base1000 (#459) is not in mixedCase
Variable CupidBillionaireOfficial.WBNB (#156) is not in mixedCase
Variable CupidBillionaireOfficial.DEAD (#157) is not in mixedCase
Variable CupidBillionaireOfficial.ZERO (#158) is not in mixedCase
Constant CupidBillionaireOfficial._name (#160) is not in UPPER_CASE_WITH_UNDERSCORES
Constant CupidBillionaireOfficial._symbol (#161) is not in UPPER_CASE_WITH_UNDERSCORES
Constant CupidBillionaireOfficial._decimals (#162) is not in UPPER_CASE_WITH_UNDERSCORES
Variable CupidBillionaireOfficial._totalSupply (#163) is not in mixedCase
Variable CupidBillionaireOfficial._balances (#165) is not in mixedCase
Variable CupidBillionaireOfficial._allowances (#166) is not in mixedCase
Variable CupidBillionaireOfficial.BuyliquidityFee (#177) is not in mixedCase
Variable CupidBillionaireOfficial.BuydevFee (#178) is not in mixedCase
Variable CupidBillionaireOfficial.BuymarketingFee (#179) is not in mixedCase
Variable CupidBillionaireOfficial.BuybuybackFee (#180) is not in mixedCase
Variable CupidBillionaireOfficial.BuytotalFee (#181) is not in mixedCase
Variable CupidBillionaireOfficial.SellliquidityFee (#183) is not in mixedCase
Variable CupidBillionaireOfficial.SelldevFee (#184) is not in mixedCase
Variable CupidBillionaireOfficial.SellmarketingFee (#185) is not in mixedCase
Variable CupidBillionaireOfficial.SellbuybackFee (#186) is not in mixedCase
Variable CupidBillionaireOfficial.SelltotalFee (#187) is not in mixedCase
Variable CupidBillionaireOfficial._maxBuyTxAmount (#190) is not in mixedCase
Variable CupidBillionaireOfficial._maxSellTxAmount (#191) is not in mixedCase
Variable CupidBillionaireOfficial._maxWalletToken (#192) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#109) is too similar to IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#110)
Variable CupidBillionaireOfficial.setSwapBackSettings(bool,uint256,uint256)._percentage_max_base10000 (#437) is too similar to CupidBillionaireOfficial.setSwapBackSettings(bool,uint256,uint256)._percentage_min_base10000 (#437)
Prevent variables from having similar names.

Additional information: link

CupidBillionaireOfficial.slitherConstructorVariables() (#154-476) uses literals with too many digits:
- DEAD = 0x000000000000000000000000000000000000dEaD (#157)
CupidBillionaireOfficial.slitherConstructorVariables() (#154-476) uses literals with too many digits:
- ZERO = 0x0000000000000000000000000000000000000000 (#158)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

CupidBillionaireOfficial.ZERO (#158) is never used in CupidBillionaireOfficial (#154-476)
Remove unused state variables.

Additional information: link

CupidBillionaireOfficial.DEAD (#157) should be constant
CupidBillionaireOfficial.WBNB (#156) should be constant
CupidBillionaireOfficial.ZERO (#158) should be constant
CupidBillionaireOfficial._totalSupply (#163) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#69-73)
getUnlockTime() should be declared external:
- Ownable.getUnlockTime() (#75-77)
Ownershiplock(uint256) should be declared external:
- Ownable.Ownershiplock(uint256) (#79-84)
Ownershipunlock() should be declared external:
- Ownable.Ownershipunlock() (#86-91)
rescueToken(address,uint256) should be declared external:
- CupidBillionaireOfficial.rescueToken(address,uint256) (#464-466)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


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


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


Unable to find Twitter account


Telegram account has relatively few subscribers


Unable to find Blog account (Reddit or Medium)


Unable to find Youtube account


Unable to find Discord account

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


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


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank

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