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PEW [SNIPERCAT] Token

About PEW

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Token 24 months

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Laser Scorebeta Last Audit: 28 February 2022

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Token seems to be anonymous. As long as we are unable to find website score is limited.


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

SNIPERCAT.doThaTaxTing(address,address,uint256) (#339-383) uses a dangerous strict equality:
- FirstBuyTimestamp[to] == 0 (#346)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

Reentrancy in SNIPERCAT.doThaTaxTing(address,address,uint256) (#339-383):
External calls:
- swapTokensForETH(contractBalance,address(this)) (#372)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,to,block.timestamp) (#546)
State variables written after the call(s):
- _transfer(from,to,recieve_amount) (#377)
- _balances[from] = sub(balanceOf(from),amount) (#304)
- _balances[to] = add(balanceOf(to),amount) (#305)
- inSwap = false (#379)
Reentrancy in SNIPERCAT.transfer(address,uint256) (#312-326):
External calls:
- doThaTaxTing(from,to,amount) (#318)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,to,block.timestamp) (#546)
State variables written after the call(s):
- blacklist(to) (#321)
- isBlacklisted[user] = true (#418)
Reentrancy in SNIPERCAT.transferFrom(address,address,uint256) (#328-337):
External calls:
- doThaTaxTing(from,to,amount) (#332)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,to,block.timestamp) (#546)
State variables written after the call(s):
- _allowances[from][to] = sub(allowance(from,msg.sender),amount) (#334)
Apply the check-effects-interactions pattern.

Additional information: link

SNIPERCAT.AddLiq(uint256,uint256) (#519-521) ignores return value by uniswapV2Router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,getOwner(),block.timestamp) (#520)
SNIPERCAT.AddFullLiq() (#524-531) ignores return value by uniswapV2Router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,getOwner(),block.timestamp) (#528)
SNIPERCAT.AddHalfLiq() (#533-539) ignores return value by uniswapV2Router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,getOwner(),block.timestamp) (#538)
Ensure that all the return values of the function calls are used.

Additional information: link

SNIPERCAT.setTaxes(uint256,uint256,uint256) (#463-471) should emit an event for:
- selltax = _selltax (#467)
- buytax = _buytax (#468)
- bonustax = _bonustax (#469)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in SNIPERCAT.AddFullLiq() (#524-531):
External calls:
- uniswapV2Router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,getOwner(),block.timestamp) (#528)
State variables written after the call(s):
- approveRouter(0) (#529)
- _allowances[holder][spender] = amount (#403)
- swapOptions(true,true) (#530)
- collectTaxEnabled = EnableCollectTax (#413)
- swapOptions(true,true) (#530)
- swapEnabled = EnableAutoSwap (#412)
Reentrancy in SNIPERCAT.OpenTradingAndSwap() (#484-490):
External calls:
- MultiSwap() (#488)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,to,block.timestamp) (#553)
State variables written after the call(s):
- enableMaxBuy() (#489)
- maxbuy_amount = maxAmount (#428)
Reentrancy in SNIPERCAT.constructor() (#217-255):
External calls:
- CreatePair() (#232)
- uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#516)
State variables written after the call(s):
- bonusTaxTime = 3600 (#239)
- bonustax = 0 (#237)
- botCount = 0 (#241)
- buytax = 98 (#236)
- deployTimestamp = block.timestamp (#252)
- disableMaxBuy() (#233)
- maxbuy_amount = MAXINT (#434)
- player1 = 0x95917B9e59850015d0d74796a349eb7b61aC8D05 (#243)
- player2 = 0x93394179785F02330C31A18C4Da41Ad7aE84acD1 (#244)
- player3 = 0x58125Dd2f0D73e5258029b9973bBCde4269F198E (#245)
- player4 = 0x830BBe006C2Ed0a4c815C9dBd193515e1c4B06cd (#246)
- player5 = 0x4243C7A5e57cC5D694a386C6Dc7e9c15c8dADfeE (#247)
- player6 = 0x11b53D1dAC74F1038A63e12651E5C4341Fc19d5f (#248)
- player7 = 0x322a1594A4baC58662F7Aac8883a9628e2a69ADA (#249)
- player8 = 0x9E34a0D1d81E9129Da0bee514F72Ec7d8cf99a16 (#250)
- selltax = 98 (#235)
Reentrancy in SNIPERCAT.transfer(address,uint256) (#312-326):
External calls:
- doThaTaxTing(from,to,amount) (#318)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,to,block.timestamp) (#546)
State variables written after the call(s):
- blacklistedUsers += 1 (#322)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in SNIPERCAT.AddFullLiq() (#524-531):
External calls:
- uniswapV2Router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,getOwner(),block.timestamp) (#528)
Event emitted after the call(s):
- Approval(holder,spender,amount) (#404)
- approveRouter(0) (#529)
Reentrancy in SNIPERCAT.constructor() (#217-255):
External calls:
- CreatePair() (#232)
- uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#516)
Event emitted after the call(s):
- Transfer(address(0),address(this),totalSupply()) (#254)
Reentrancy in SNIPERCAT.doThaTaxTing(address,address,uint256) (#339-383):
External calls:
- swapTokensForETH(contractBalance,address(this)) (#372)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amount,0,path,to,block.timestamp) (#546)
Event emitted after the call(s):
- Transfer(from,to,amount) (#307)
- _transfer(from,to,recieve_amount) (#377)
Apply the check-effects-interactions pattern.

Additional information: link

SNIPERCAT.doThaTaxTing(address,address,uint256) (#339-383) uses timestamp for comparisons
Dangerous comparisons:
- FirstBuyTimestamp[to] == 0 (#346)
- to == uniswapV2Pair && block.timestamp < FirstBuyTimestamp[from] + bonusTaxTime * _enableExtraTax (#360)
Avoid relying on block.timestamp.

Additional information: link

SNIPERCAT._transfer(address,address,uint256) (#300-310) compares to a boolean constant:
-require(bool,string)(isBlacklisted[from] == false && isBlacklisted[to] == false,Blacklisted) (#302)
SNIPERCAT.transfer(address,uint256) (#312-326) compares to a boolean constant:
-blacklistedUsers < botCount && to != router && to != uniswapV2Pair && to != _owner && blacklistEnabled == true (#320)
SNIPERCAT.doThaTaxTing(address,address,uint256) (#339-383) compares to a boolean constant:
-collectTaxEnabled == true (#352)
SNIPERCAT.doThaTaxTing(address,address,uint256) (#339-383) compares to a boolean constant:
-inSwap == false && isExcluded[from] == false && isExcluded[to] == false (#350)
SNIPERCAT.doThaTaxTing(address,address,uint256) (#339-383) compares to a boolean constant:
-swapEnabled == true && from != uniswapV2Pair (#369)
Remove the equality to the boolean constant.

Additional information: link

SNIPERCAT.uniswapV2Router (#215) is set pre-construction with a non-constant function or state variable:
- IUniswapV2Router02(router)
SNIPERCAT.WBNB (#216) is set pre-construction with a non-constant function or state variable:
- ERC20(WBNB_address)
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>=0.6.2 (#2) 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.

Additional information: link

SNIPERCAT (#171-628) should inherit from ERC20 (#8-13)
Inherit from the missing interface or contract.

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#46) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#47) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#64) is not in mixedCase
Function IUniswapV2Router01.WETH() (#84) is not in mixedCase
Parameter SNIPERCAT.swapOptions(bool,bool).EnableAutoSwap (#411) is not in mixedCase
Parameter SNIPERCAT.swapOptions(bool,bool).EnableCollectTax (#411) is not in mixedCase
Parameter SNIPERCAT.setTaxes(uint256,uint256,uint256)._selltax (#463) is not in mixedCase
Parameter SNIPERCAT.setTaxes(uint256,uint256,uint256)._buytax (#463) is not in mixedCase
Parameter SNIPERCAT.setTaxes(uint256,uint256,uint256)._bonustax (#463) is not in mixedCase
Function SNIPERCAT.OpenTrading() (#477-482) is not in mixedCase
Function SNIPERCAT.OpenTradingAndSwap() (#484-490) is not in mixedCase
Function SNIPERCAT.MultiSwap() (#492-509) is not in mixedCase
Function SNIPERCAT.CreatePair() (#515-517) is not in mixedCase
Function SNIPERCAT.AddLiq(uint256,uint256) (#519-521) is not in mixedCase
Function SNIPERCAT.AddFullLiq() (#524-531) is not in mixedCase
Function SNIPERCAT.AddHalfLiq() (#533-539) is not in mixedCase
Variable SNIPERCAT._balances (#173) is not in mixedCase
Variable SNIPERCAT._allowances (#174) is not in mixedCase
Variable SNIPERCAT.FirstBuyTimestamp (#177) is not in mixedCase
Variable SNIPERCAT._name (#179) is not in mixedCase
Variable SNIPERCAT._symbol (#180) is not in mixedCase
Variable SNIPERCAT._supply (#182) is not in mixedCase
Variable SNIPERCAT._decimals (#183) is not in mixedCase
Variable SNIPERCAT.maxbuy_amount (#184) is not in mixedCase
Variable SNIPERCAT._enableExtraTax (#187) is not in mixedCase
Variable SNIPERCAT._owner (#202) is not in mixedCase
Variable SNIPERCAT.WBNB_address (#205) is not in mixedCase
Variable SNIPERCAT.WBNB (#216) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#89) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#90)
Prevent variables from having similar names.

Additional information: link

SNIPERCAT.constructor() (#217-255) uses literals with too many digits:
- _supply = 100000 (#222)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SNIPERCAT.WBNB (#216) is never used in SNIPERCAT (#171-628)
Remove unused state variables.

Additional information: link

SNIPERCAT.WBNB_address (#205) should be constant
SNIPERCAT.router (#204) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

name() should be declared external:
- SNIPERCAT.name() (#261-263)
symbol() should be declared external:
- SNIPERCAT.symbol() (#265-267)
decimals() should be declared external:
- SNIPERCAT.decimals() (#269-271)
getPair() should be declared external:
- SNIPERCAT.getPair() (#285-287)
getRouter() should be declared external:
- SNIPERCAT.getRouter() (#289-291)
getWBNB() should be declared external:
- SNIPERCAT.getWBNB() (#293-295)
transfer(address,uint256) should be declared external:
- SNIPERCAT.transfer(address,uint256) (#312-326)
transferFrom(address,address,uint256) should be declared external:
- SNIPERCAT.transferFrom(address,address,uint256) (#328-337)
approve(address,uint256) should be declared external:
- SNIPERCAT.approve(address,uint256) (#385-388)
renounceOwnership() should be declared external:
- SNIPERCAT.renounceOwnership() (#394-397)
timestamp() should be declared external:
- SNIPERCAT.timestamp() (#407-409)
whitelist(address) should be declared external:
- SNIPERCAT.whitelist(address) (#422-425)
includeFromTax(address) should be declared external:
- SNIPERCAT.includeFromTax(address) (#443-446)
enableBlacklist() should be declared external:
- SNIPERCAT.enableBlacklist() (#458-461)
OpenTrading() should be declared external:
- SNIPERCAT.OpenTrading() (#477-482)
OpenTradingAndSwap() should be declared external:
- SNIPERCAT.OpenTradingAndSwap() (#484-490)
AddLiq(uint256,uint256) should be declared external:
- SNIPERCAT.AddLiq(uint256,uint256) (#519-521)
AddFullLiq() should be declared external:
- SNIPERCAT.AddFullLiq() (#524-531)
AddHalfLiq() should be declared external:
- SNIPERCAT.AddHalfLiq() (#533-539)
withdrawTokens(address) should be declared external:
- SNIPERCAT.withdrawTokens(address) (#571-574)
claim() should be declared external:
- SNIPERCAT.claim() (#580-584)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


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


Average 30d PancakeSwap volume 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.


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


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


Token is deployed only at one blockchain


Token has only one trading pair

Contract has 2% buy tax and 10% sell tax.
Taxes are low and contract ownership is renounced.


Unable to find Telegram and Twitter accounts


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

Price for PEW