TIGR [Meta TIGR] Token

TIGRDAO.swapBNBForBUSD(uint256) (#1422-1437) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,address(this),block.timestamp.add(300)) (#1429-1436)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in TIGRDAO._transfer(address,address,uint256) (#1308-1389):
External calls:
- swapAndSendWallets(swapTokens) (#1340)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,address(this),block.timestamp.add(300)) (#1429-1436)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1413-1419)
- IERC20(BUSD).transfer(_assetWallet,forAsset) (#1400)
External calls sending eth:
- swapAndSendWallets(swapTokens) (#1340)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,address(this),block.timestamp.add(300)) (#1429-1436)
State variables written after the call(s):
- super._transfer(from,address(this),feeAmount) (#1382)
- _balances[sender] = senderBalance - amount (#905)
- _balances[recipient] += amount (#907)
- super._transfer(from,address(deadAddress),burnAmount) (#1383)
- _balances[sender] = senderBalance - amount (#905)
- _balances[recipient] += amount (#907)
- super._transfer(from,to,amount) (#1387)
- _balances[sender] = senderBalance - amount (#905)
- _balances[recipient] += amount (#907)
- _isBlackListed[from] = true (#1376)
Apply the check-effects-interactions pattern.

Additional information: link

TIGRDAO.claimStuckTokens(address) (#1197-1206) ignores return value by erc20token.transfer(owner(),balance) (#1205)
TIGRDAO.swapAndSendWallets(uint256) (#1391-1402) ignores return value by IERC20(BUSD).transfer(_assetWallet,forAsset) (#1400)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Contract ownership is not renounced (belongs to a wallet)

Combination 1: Reentrancy vulnerabilities + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

Combination 2: Unchecked transfer + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

Combination 3: Reentrancy vulnerabilities + Unchecked transfer vulnerability. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

TIGRDAO.constructor() (#1129-1170) ignores return value by IERC20(BUSD).approve(address(uniswapV2Router),~ uint256(0)) (#1163)
Ensure that all the return values of the function calls are used.

Additional information: link

Different versions of Solidity is used:
- Version used: ['>=0.5.0', '>=0.6.2', '^0.8.0', '^0.8.10']
- >=0.5.0 (#4)
- >=0.5.0 (#59)
- >=0.6.2 (#79)
- >=0.6.2 (#177)
- ^0.8.0 (#226)
- ^0.8.0 (#456)
- ^0.8.0 (#483)
- ^0.8.0 (#561)
- ^0.8.0 (#646)
- ^0.8.0 (#676)
- ^0.8.10 (#1040)
Use one Solidity version.

Additional information: link

TIGRDAO.setBuyFee(uint16) (#1247-1256) should emit an event for:
- totalBuyFee = asset (#1255)
TIGRDAO.setSellFee(uint16,uint16) (#1258-1269) should emit an event for:
- totalSellFee = asset + burn (#1268)
TIGRDAO.setTransferFee(uint16,uint16) (#1271-1280) should emit an event for:
- totalTransferFee = asset + burn (#1279)
TIGRDAO.setMaxBuyAmount(uint256) (#1300-1302) should emit an event for:
- maxBuyAmount = amount * 10 ** 9 (#1301)
TIGRDAO.setSwapTokensAtAmount(uint256) (#1304-1306) should emit an event for:
- swapTokensAtAmount = amount * 10 ** 9 (#1305)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in TIGRDAO.constructor() (#1129-1170):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(BUSD,address(this)) (#1150-1151)
State variables written after the call(s):
- excludeFromFees(owner(),true) (#1159)
- _isExcludedFromFees[account] = excluded (#1192)
- excludeFromFees(address(this),true) (#1160)
- _isExcludedFromFees[account] = excluded (#1192)
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1155)
- automatedMarketMakerPairs[pair] = value (#1241)
- swapEnabled = true (#1162)
- uniswapV2Router = _uniswapV2Router (#1153)
Reentrancy in TIGRDAO.constructor() (#1129-1170):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(BUSD,address(this)) (#1150-1151)
- IERC20(BUSD).approve(address(uniswapV2Router),~ uint256(0)) (#1163)
State variables written after the call(s):
- _mint(owner(),2750000001 * (10 ** 9)) (#1169)
- _balances[account] += amount (#931)
- _mint(owner(),2750000001 * (10 ** 9)) (#1169)
- _totalSupply += amount (#930)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in TIGRDAO._transfer(address,address,uint256) (#1308-1389):
External calls:
- swapAndSendWallets(swapTokens) (#1340)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,address(this),block.timestamp.add(300)) (#1429-1436)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1413-1419)
- IERC20(BUSD).transfer(_assetWallet,forAsset) (#1400)
External calls sending eth:
- swapAndSendWallets(swapTokens) (#1340)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,address(this),block.timestamp.add(300)) (#1429-1436)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#911)
- super._transfer(from,address(deadAddress),burnAmount) (#1383)
- Transfer(sender,recipient,amount) (#911)
- super._transfer(from,address(this),feeAmount) (#1382)
- Transfer(sender,recipient,amount) (#911)
- super._transfer(from,to,amount) (#1387)
Reentrancy in TIGRDAO.constructor() (#1129-1170):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(BUSD,address(this)) (#1150-1151)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (#1194)
- excludeFromFees(owner(),true) (#1159)
- ExcludeFromFees(account,excluded) (#1194)
- excludeFromFees(address(this),true) (#1160)
Reentrancy in TIGRDAO.constructor() (#1129-1170):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(BUSD,address(this)) (#1150-1151)
- IERC20(BUSD).approve(address(uniswapV2Router),~ uint256(0)) (#1163)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#932)
- _mint(owner(),2750000001 * (10 ** 9)) (#1169)
Apply the check-effects-interactions pattern.

Additional information: link

Context._msgData() (#473-475) is never used and should be removed
ERC20._burn(address,uint256) (#948-963) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#413-422) is never used and should be removed
SafeMath.mod(uint256,uint256) (#373-375) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#439-448) is never used and should be removed
SafeMath.sub(uint256,uint256,string) (#390-399) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#244-250) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (#286-291) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#298-303) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#269-279) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#257-262) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version>=0.5.0 (#4) allows old versions
Pragma version>=0.5.0 (#59) allows old versions
Pragma version>=0.6.2 (#79) allows old versions
Pragma version>=0.6.2 (#177) allows old versions
Pragma version^0.8.0 (#226) allows old versions
Pragma version^0.8.0 (#456) allows old versions
Pragma version^0.8.0 (#483) allows old versions
Pragma version^0.8.0 (#561) allows old versions
Pragma version^0.8.0 (#646) allows old versions
Pragma version^0.8.0 (#676) allows old versions
Pragma version^0.8.10 (#1040) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.11 is not recommended for deployment
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#21) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#22) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#39) is not in mixedCase
Function IUniswapV2Router01.WETH() (#83) is not in mixedCase
Parameter TIGRDAO.claimStuckTokens(address)._token (#1197) is not in mixedCase
Constant TIGRDAO.deadAddress (#1048) is not in UPPER_CASE_WITH_UNDERSCORES
Variable TIGRDAO._assetWallet (#1089) is not in mixedCase
Variable TIGRDAO._isBlackListed (#1094) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#88) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#89)
Prevent variables from having similar names.

Additional information: link

TIGRDAO.constructor() (#1129-1170) uses literals with too many digits:
- _mint(owner(),2750000001 * (10 ** 9)) (#1169)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#532-534)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#540-543)
name() should be declared external:
- ERC20.name() (#733-735)
symbol() should be declared external:
- ERC20.symbol() (#741-743)
decimals() should be declared external:
- ERC20.decimals() (#758-760)
- TIGRDAO.decimals() (#1174-1176)
totalSupply() should be declared external:
- ERC20.totalSupply() (#765-767)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#784-787)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#792-794)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#803-806)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#821-835)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#849-852)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#868-876)
updateUniswapV2Router(address) should be declared external:
- TIGRDAO.updateUniswapV2Router(address) (#1178-1185)
setAutomatedMarketMakerPair(address,bool) should be declared external:
- TIGRDAO.setAutomatedMarketMakerPair(address,bool) (#1224-1234)
isExcludedFromFees(address) should be declared external:
- TIGRDAO.isExcludedFromFees(address) (#1284-1286)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract has 27% buy tax and 25% sell tax.
Taxes are suspiciously high (over 10%) and contract ownership is not renounced. Token has a high risk of becoming a honeypot.

Average 30d PancakeSwap volume is low.

Average 30d number of PancakeSwap swaps is low.

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

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

Token is deployed only at one blockchain

Unable to find token on CoinGecko

Additional information: link

Unable to find token on CoinMarketCap

Additional information: link

Unable to find audit link on the website

Unable to find Twitter link on the website

Unable to find token on CoinHunt

Additional information: link

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

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank

Young tokens have high risks of price dump / death

Young tokens have high risks of price dump / death