MetaSnooker Token Logo

MSR [MetaSnooker] Token

About MSR

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Token 24 months
CoinMarketCap 24 months
[CoinGecko] alert: The following token has a variable tax function on the smart contract - which allows contract owners to change tax rates post deployment.
Do your own research and be careful if you are trading this token.
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MetaSnooker is a gaming token that enables users to play against other players online. The MetaSnooker token doubles up as a reward token to help encourage userbase retention and compounding profits. Future cosmetic game assets would include NFT cues, avatars, tables and rooms. The MetaSnooker game currently exists as an online P2E PVP with plans to move into the Metaverse where users can play, socialize and earn!

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Laser Scorebeta Last Audit: 1 March 2022

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

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

MetaSnooker.swapETHForTokens(uint256) (#1403-1418) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
MetaSnooker.addLiquidity(uint256,uint256) (#1464-1479) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in MetaSnooker._transfer(address,address,uint256) (#1301-1400):
External calls:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- marketingWallet.transfer(marketing) (#1487)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1380)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#755)
- _balances[recipient] = _balances[recipient].add(amount) (#756)
- super._transfer(from,to,amount) (#1383)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#755)
- _balances[recipient] = _balances[recipient].add(amount) (#756)
- swapping = false (#1359)
Reentrancy in DividendPayingToken._withdrawDividendOfUser(address) (#1572-1588):
External calls:
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1577)
State variables written after the call(s):
- withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend) (#1580)
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.

MetaSnooker._transfer(address,address,uint256) (#1301-1400) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(100) (#1371)
-fees = fees.mul(sellFeeIncreaseFactor).div(100) (#1375)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in MetaSnooker.updateDividendTracker(address) (#1139-1157):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1146)
- newDividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1147)
- newDividendTracker.excludeFromDividends(uniswapV2Pair) (#1148)
- newDividendTracker.excludeFromDividends(address(this)) (#1151)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1152)
State variables written after the call(s):
- dividendTracker = newDividendTracker (#1156)
Apply the check-effects-interactions pattern.

Additional information: link

MetaSnooker._transfer(address,address,uint256).claims (#1391) is a local variable never initialized
MetaSnooker._transfer(address,address,uint256).lastProcessedIndex (#1391) is a local variable never initialized
MetaSnooker._transfer(address,address,uint256).iterations (#1391) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

MetaSnooker.claim() (#1287-1289) ignores return value by dividendTracker.processAccount(msg.sender,false) (#1288)
MetaSnooker._transfer(address,address,uint256) (#1301-1400) ignores return value by dividendTracker.process(gas) (#1391-1396)
MetaSnooker.addLiquidity(uint256,uint256) (#1464-1479) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
Ensure that all the return values of the function calls are used.

Additional information: link

DividendPayingToken.constructor(string,string)._name (#1529) shadows:
- ERC20._name (#577) (state variable)
DividendPayingToken.constructor(string,string)._symbol (#1529) shadows:
- ERC20._symbol (#578) (state variable)
Rename the local variables that shadow another component.

Additional information: link

MetaSnooker.setMaxSellTransactionAmount(uint256) (#1210-1214) should emit an event for:
- maxSellTransactionAmount = value * (10 ** 18) (#1212)
Emit an event for critical parameter changes.

Additional information: link

DividendPayingToken._withdrawDividendOfUser(address) (#1572-1588) has external calls inside a loop: (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1577)
Favor pull over push strategy for external calls.

Additional information: link

Variable 'MetaSnooker._transfer(address,address,uint256).claims (#1391)' in MetaSnooker._transfer(address,address,uint256) (#1301-1400) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1392)
Variable 'MetaSnooker._transfer(address,address,uint256).iterations (#1391)' in MetaSnooker._transfer(address,address,uint256) (#1301-1400) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1392)
Variable 'MetaSnooker._transfer(address,address,uint256).lastProcessedIndex (#1391)' in MetaSnooker._transfer(address,address,uint256) (#1301-1400) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1392)
Move all variable declarations prior to any usage of the variable, and ensure that reaching a variable declaration does not depend on some conditional if it is used unconditionally.

Additional information: link

Reentrancy in MetaSnooker._transfer(address,address,uint256) (#1301-1400):
External calls:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- marketingWallet.transfer(marketing) (#1487)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
State variables written after the call(s):
- swapAndSendDividends(sellTokens) (#1357)
- _allowances[owner][spender] = amount (#821)
Reentrancy in MetaSnooker.constructor() (#1084-1133):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1104-1105)
State variables written after the call(s):
- uniswapV2Pair = _uniswapV2Pair (#1108)
- uniswapV2Router = _uniswapV2Router (#1107)
Reentrancy in MetaSnooker.constructor() (#1084-1133):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1104-1105)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1110)
- dividendTracker.excludeFromDividends(pair) (#1204)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#1115)
- dividendTracker.excludeFromDividends(address(this)) (#1116)
- dividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1117)
- dividendTracker.excludeFromDividends(address(_uniswapV2Router)) (#1119)
State variables written after the call(s):
- _mint(owner(),1000000000 * (10 ** 18)) (#1132)
- _balances[account] = _balances[account].add(amount) (#775)
- excludeFromFees(liquidityWallet,true) (#1122)
- _isExcludedFromFees[account] = excluded (#1167)
- excludeFromFees(address(this),true) (#1124)
- _isExcludedFromFees[account] = excluded (#1167)
- _isExcludedFromFees[owner()] = true (#1125)
- _mint(owner(),1000000000 * (10 ** 18)) (#1132)
- _totalSupply = _totalSupply.add(amount) (#774)
Reentrancy in MetaDividendTracker.processAccount(address,bool) (#1870-1880):
External calls:
- amount = _withdrawDividendOfUser(account) (#1871)
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1577)
State variables written after the call(s):
- lastClaimTimes[account] = block.timestamp (#1874)
Reentrancy in MetaSnooker.swapAndLiquify(uint256) (#1420-1441):
External calls:
- swapTokensForEth(half) (#1432)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- addLiquidity(otherHalf,newBalance) (#1438)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1438)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#1438)
- _allowances[owner][spender] = amount (#821)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in MetaSnooker._setAutomatedMarketMakerPair(address,bool) (#1199-1208):
External calls:
- dividendTracker.excludeFromDividends(pair) (#1204)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(pair,value) (#1207)
Reentrancy in MetaSnooker._transfer(address,address,uint256) (#1301-1400):
External calls:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- marketingWallet.transfer(marketing) (#1487)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#822)
- swapAndSendDividends(sellTokens) (#1357)
- SendDividends(tokens,dividends,buyBack,marketing) (#1492)
- swapAndSendDividends(sellTokens) (#1357)
- SwapETHForTokens(amount,path) (#1417)
- swapAndSendDividends(sellTokens) (#1357)
- Transfer(sender,recipient,amount) (#757)
- super._transfer(from,address(this),fees) (#1380)
- Transfer(sender,recipient,amount) (#757)
- super._transfer(from,to,amount) (#1383)
Reentrancy in MetaSnooker._transfer(address,address,uint256) (#1301-1400):
External calls:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
- dividendTracker.setBalance(address(from),balanceOf(from)) (#1385)
- dividendTracker.setBalance(address(to),balanceOf(to)) (#1386)
- dividendTracker.process(gas) (#1391-1396)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- marketingWallet.transfer(marketing) (#1487)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1392)
Reentrancy in MetaSnooker.constructor() (#1084-1133):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1104-1105)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1110)
- dividendTracker.excludeFromDividends(pair) (#1204)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(pair,value) (#1207)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1110)
Reentrancy in MetaSnooker.constructor() (#1084-1133):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1104-1105)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1110)
- dividendTracker.excludeFromDividends(pair) (#1204)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#1115)
- dividendTracker.excludeFromDividends(address(this)) (#1116)
- dividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1117)
- dividendTracker.excludeFromDividends(address(_uniswapV2Router)) (#1119)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (#1169)
- excludeFromFees(liquidityWallet,true) (#1122)
- ExcludeFromFees(account,excluded) (#1169)
- excludeFromFees(address(this),true) (#1124)
- Transfer(address(0),account,amount) (#776)
- _mint(owner(),1000000000 * (10 ** 18)) (#1132)
Reentrancy in MetaDividendTracker.processAccount(address,bool) (#1870-1880):
External calls:
- amount = _withdrawDividendOfUser(account) (#1871)
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1577)
Event emitted after the call(s):
- Claim(account,amount,automatic) (#1875)
Reentrancy in MetaSnooker.processDividendTracker(uint256) (#1282-1285):
External calls:
- (iterations,claims,lastProcessedIndex) = dividendTracker.process(gas) (#1283)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,false,gas,tx.origin) (#1284)
Reentrancy in MetaSnooker.swapAndLiquify(uint256) (#1420-1441):
External calls:
- swapTokensForEth(half) (#1432)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- addLiquidity(otherHalf,newBalance) (#1438)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1438)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#822)
- addLiquidity(otherHalf,newBalance) (#1438)
- SwapAndLiquify(half,newBalance,otherHalf) (#1440)
Reentrancy in MetaSnooker.swapAndSendDividends(uint256) (#1481-1494):
External calls:
- swapTokensForEth(tokens) (#1482)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- swapETHForTokens(buyBack) (#1488)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
External calls sending eth:
- marketingWallet.transfer(marketing) (#1487)
- swapETHForTokens(buyBack) (#1488)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
Event emitted after the call(s):
- SwapETHForTokens(amount,path) (#1417)
- swapETHForTokens(buyBack) (#1488)
Reentrancy in MetaSnooker.swapAndSendDividends(uint256) (#1481-1494):
External calls:
- swapTokensForEth(tokens) (#1482)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1454-1460)
- swapETHForTokens(buyBack) (#1488)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
External calls sending eth:
- marketingWallet.transfer(marketing) (#1487)
- swapETHForTokens(buyBack) (#1488)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
Event emitted after the call(s):
- SendDividends(tokens,dividends,buyBack,marketing) (#1492)
Reentrancy in MetaSnooker.swapETHForTokens(uint256) (#1403-1418):
External calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
Event emitted after the call(s):
- SwapETHForTokens(amount,path) (#1417)
Reentrancy in MetaSnooker.updateDividendTracker(address) (#1139-1157):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1146)
- newDividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1147)
- newDividendTracker.excludeFromDividends(uniswapV2Pair) (#1148)
- newDividendTracker.excludeFromDividends(address(this)) (#1151)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1152)
Event emitted after the call(s):
- UpdateDividendTracker(newAddress,address(dividendTracker)) (#1154)
Apply the check-effects-interactions pattern.

Additional information: link

MetaSnooker._transfer(address,address,uint256) (#1301-1400) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(cooldown[to] < block.timestamp,Cooldown has not been reached.) (#1329)
MetaDividendTracker.getAccount(address) (#1734-1777) uses timestamp for comparisons
Dangerous comparisons:
- nextClaimTime > block.timestamp (#1774-1776)
MetaDividendTracker.canAutoClaim(uint256) (#1798-1804) uses timestamp for comparisons
Dangerous comparisons:
- lastClaimTime > block.timestamp (#1799)
- block.timestamp.sub(lastClaimTime) >= claimWait (#1803)
Avoid relying on block.timestamp.

Additional information: link

Context._msgData() (#216-219) is never used and should be removed
DividendPayingToken._transfer(address,address,uint256) (#1628-1634) is never used and should be removed
SafeMath.mod(uint256,uint256) (#128-130) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#144-147) is never used and should be removed
SafeMathInt.abs(int256) (#902-905) is never used and should be removed
SafeMathInt.div(int256,int256) (#873-879) is never used and should be removed
SafeMathInt.mul(int256,int256) (#861-868) is never used and should be removed
Remove unused functions.

Additional information: link

Low level call in MetaSnooker.swapAndSendDividends(uint256) (#1481-1494):
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
Low level call in DividendPayingToken._withdrawDividendOfUser(address) (#1572-1588):
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#1577)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#289) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#290) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#307) is not in mixedCase
Function IUniswapV2Router01.WETH() (#343) is not in mixedCase
Parameter MetaSnooker.setSwapAndLiquifyEnabled(bool)._enabled (#1495) is not in mixedCase
Variable MetaSnooker.BNBRewardsFee (#987) is not in mixedCase
Parameter DividendPayingToken.dividendOf(address)._owner (#1594) is not in mixedCase
Parameter DividendPayingToken.withdrawableDividendOf(address)._owner (#1601) is not in mixedCase
Parameter DividendPayingToken.withdrawnDividendOf(address)._owner (#1608) is not in mixedCase
Parameter DividendPayingToken.accumulativeDividendOf(address)._owner (#1618) is not in mixedCase
Constant DividendPayingToken.magnitude (#1509) is not in UPPER_CASE_WITH_UNDERSCORES
Parameter MetaDividendTracker.changeLimit(uint256)._minimumTokenBalanceForDividends (#1695) is not in mixedCase
Parameter MetaDividendTracker.getAccount(address)._account (#1734) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#217)" inContext (#211-220)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in MetaSnooker._transfer(address,address,uint256) (#1301-1400):
External calls:
- swapAndSendDividends(sellTokens) (#1357)
- marketingWallet.transfer(marketing) (#1487)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1354)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1470-1477)
- swapAndSendDividends(sellTokens) (#1357)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- marketingWallet.transfer(marketing) (#1487)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1380)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#755)
- _balances[recipient] = _balances[recipient].add(amount) (#756)
- super._transfer(from,to,amount) (#1383)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#755)
- _balances[recipient] = _balances[recipient].add(amount) (#756)
- swapping = false (#1359)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1392)
- Transfer(sender,recipient,amount) (#757)
- super._transfer(from,address(this),fees) (#1380)
- Transfer(sender,recipient,amount) (#757)
- super._transfer(from,to,amount) (#1383)
Reentrancy in MetaSnooker.swapAndSendDividends(uint256) (#1481-1494):
External calls:
- marketingWallet.transfer(marketing) (#1487)
External calls sending eth:
- marketingWallet.transfer(marketing) (#1487)
- swapETHForTokens(buyBack) (#1488)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
Event emitted after the call(s):
- SwapETHForTokens(amount,path) (#1417)
- swapETHForTokens(buyBack) (#1488)
Reentrancy in MetaSnooker.swapAndSendDividends(uint256) (#1481-1494):
External calls:
- marketingWallet.transfer(marketing) (#1487)
External calls sending eth:
- marketingWallet.transfer(marketing) (#1487)
- swapETHForTokens(buyBack) (#1488)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#1410-1415)
- (success) = address(dividendTracker).call{value: dividends}() (#1489)
Event emitted after the call(s):
- SendDividends(tokens,dividends,buyBack,marketing) (#1492)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#348) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#349)
Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (#1573) is too similar to MetaDividendTracker.getAccount(address).withdrawableDividends (#1739)
Prevent variables from having similar names.

Additional information: link

MetaSnooker.constructor() (#1084-1133) uses literals with too many digits:
- dividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1117)
MetaSnooker.constructor() (#1084-1133) uses literals with too many digits:
- _mint(owner(),1000000000 * (10 ** 18)) (#1132)
MetaSnooker.updateDividendTracker(address) (#1139-1157) uses literals with too many digits:
- newDividendTracker.excludeFromDividends(0x000000000000000000000000000000000000dEaD) (#1147)
MetaSnooker.setMaxSellTransactionAmount(uint256) (#1210-1214) uses literals with too many digits:
- require(bool,string)(value >= (1000000 * (10 ** 18)),MetaSnooker : Max Sell transaction must be more then 1% of the supply) (#1211)
MetaSnooker.updateGasForProcessing(uint256) (#1225-1230) uses literals with too many digits:
- require(bool)(newValue >= 200000 && newValue <= 500000) (#1226)
MetaSnooker.slitherConstructorVariables() (#967-1499) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (#980)
MetaSnooker.slitherConstructorVariables() (#967-1499) uses literals with too many digits:
- maxSellTransactionAmount = 100000 * (10 ** 18) (#983)
MetaSnooker.slitherConstructorVariables() (#967-1499) uses literals with too many digits:
- gasForProcessing = 300000 (#1000)
MetaDividendTracker.getAccountAtIndex(uint256) (#1779-1796) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0,0,0) (#1790)
MetaDividendTracker.slitherConstructorVariables() (#1671-1882) uses literals with too many digits:
- dev = 0x0000000000000000000000000000000000000000 (#1678)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (#856) is never used in SafeMathInt (#854-912)
Remove unused state variables.

Additional information: link

MetaDividendTracker.dev (#1678) should be constant
MetaSnooker.marketingWallet (#991) should be constant
MetaSnooker.swapTokensAtAmount (#984) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

get(IterableMapping.Map,address) should be declared external:
- IterableMapping.get(IterableMapping.Map,address) (#159-161)
getIndexOfKey(IterableMapping.Map,address) should be declared external:
- IterableMapping.getIndexOfKey(IterableMapping.Map,address) (#163-168)
getKeyAtIndex(IterableMapping.Map,uint256) should be declared external:
- IterableMapping.getKeyAtIndex(IterableMapping.Map,uint256) (#170-172)
size(IterableMapping.Map) should be declared external:
- IterableMapping.size(IterableMapping.Map) (#176-178)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#258-261)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#267-271)
name() should be declared external:
- ERC20.name() (#597-599)
symbol() should be declared external:
- ERC20.symbol() (#605-607)
decimals() should be declared external:
- ERC20.decimals() (#622-624)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#648-651)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#656-658)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#667-670)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#685-693)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#707-710)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#726-729)
updateDividendTracker(address) should be declared external:
- MetaSnooker.updateDividendTracker(address) (#1139-1157)
updateUniswapV2Router(address) should be declared external:
- MetaSnooker.updateUniswapV2Router(address) (#1159-1163)
excludeMultipleAccountsFromFees(address[],bool) should be declared external:
- MetaSnooker.excludeMultipleAccountsFromFees(address[],bool) (#1172-1178)
setCooldownEnabled(bool) should be declared external:
- MetaSnooker.setCooldownEnabled(bool) (#1180-1184)
setCooldownTime(uint256) should be declared external:
- MetaSnooker.setCooldownTime(uint256) (#1186-1190)
setAutomatedMarketMakerPair(address,bool) should be declared external:
- MetaSnooker.setAutomatedMarketMakerPair(address,bool) (#1193-1197)
setMaxSellTransactionAmount(uint256) should be declared external:
- MetaSnooker.setMaxSellTransactionAmount(uint256) (#1210-1214)
updateLiquidityWallet(address) should be declared external:
- MetaSnooker.updateLiquidityWallet(address) (#1218-1223)
updateGasForProcessing(uint256) should be declared external:
- MetaSnooker.updateGasForProcessing(uint256) (#1225-1230)
withdrawableDividendOf(address) should be declared external:
- MetaSnooker.withdrawableDividendOf(address) (#1248-1250)
dividendTokenBalanceOf(address) should be declared external:
- MetaSnooker.dividendTokenBalanceOf(address) (#1252-1254)
setSwapAndLiquifyEnabled(bool) should be declared external:
- MetaSnooker.setSwapAndLiquifyEnabled(bool) (#1495-1498)
withdrawDividend() should be declared external:
- DividendPayingToken.withdrawDividend() (#1566-1568)
- MetaDividendTracker.withdrawDividend() (#1703-1705)
dividendOf(address) should be declared external:
- DividendPayingToken.dividendOf(address) (#1594-1596)
withdrawnDividendOf(address) should be declared external:
- DividendPayingToken.withdrawnDividendOf(address) (#1608-1610)
getAccountAtIndex(uint256) should be declared external:
- MetaDividendTracker.getAccountAtIndex(uint256) (#1779-1796)
process(uint256) should be declared external:
- MetaDividendTracker.process(uint256) (#1823-1868)
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 number of PancakeSwap swaps is less than 1. Token is either dead or inactive.

Contract has 10% buy tax and 12% sell tax.
Taxes are high (over 10%) but contract ownership is renounced.


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


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 Youtube account


Unable to find Discord account


BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link


Unable to find token contract audit


Unable to find audit link on the website


Unable to find token on CoinHunt

Additional information: link


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


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


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


Token has no active CoinGecko listing / rank


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Token has relatively low CoinMarketCap rank

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