Baby Tiger King has set out to transform the cryptocurrency industry by giving back while creating a coin that benefits tiger conservation and its holders.
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Reentrancy in BabyTigerKing._transfer(address,address,uint256) (#576-611):
External calls:
- swapAndLiquify(contractTokenBalance) (#590)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#704-710)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#590)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
State variables written after the call(s):
- transferAmount = collectFee(sender,amount,rate) (#597)
- _reflectionBalance[address(this)] = _reflectionBalance[address(this)].add(liquidityFee.mul(rate)) (#628)
- _reflectionBalance[marketingWallet] = _reflectionBalance[marketingWallet].add(marketingFee.mul(rate)) (#650)
- _reflectionBalance[sender] = _reflectionBalance[sender].sub(amount.mul(rate)) (#600)
- _reflectionBalance[recipient] = _reflectionBalance[recipient].add(transferAmount.mul(rate)) (#601)
- transferAmount = collectFee(sender,amount,rate) (#597)
- _reflectionTotal = _reflectionTotal.sub(taxFee.mul(rate)) (#620)
- _reflectionTotal = _reflectionTotal.sub(burnFee.mul(rate)) (#641)
- transferAmount = collectFee(sender,amount,rate) (#597)
- _tokenBalance[address(this)] = _tokenBalance[address(this)].add(liquidityFee) (#630)
- _tokenBalance[marketingWallet] = _tokenBalance[marketingWallet].add(marketingFee) (#652)
- _tokenBalance[sender] = _tokenBalance[sender].sub(amount) (#604)
- _tokenBalance[recipient] = _tokenBalance[recipient].add(transferAmount) (#607)
- transferAmount = collectFee(sender,amount,rate) (#597)
- _tokenTotal = _tokenTotal.sub(burnFee) (#640)
Apply the check-effects-interactions pattern.
Additional information: link
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.
BabyTigerKing.includeAccount(address) (#551-562) has costly operations inside a loop:
- _excluded.pop() (#558)
Use a local variable to hold the loop computation result.
Additional information: link
Function IUniswapV2Router01.WETH() (#280) is not in mixedCase
Variable BabyTigerKing._reflectionBalance (#342) is not in mixedCase
Variable BabyTigerKing._tokenBalance (#343) is not in mixedCase
Variable BabyTigerKing._allowances (#344) is not in mixedCase
Variable BabyTigerKing._tokenTotal (#349) is not in mixedCase
Variable BabyTigerKing._reflectionTotal (#351) is not in mixedCase
Variable BabyTigerKing._isExcluded (#354) is not in mixedCase
Variable BabyTigerKing._excluded (#355) is not in mixedCase
Variable BabyTigerKing._feeDecimal (#357) is not in mixedCase
Variable BabyTigerKing._taxFee (#359) is not in mixedCase
Variable BabyTigerKing._liquidityFee (#361) is not in mixedCase
Variable BabyTigerKing._burnFee (#363) is not in mixedCase
Variable BabyTigerKing._marketingFee (#365) is not in mixedCase
Variable BabyTigerKing._taxFeeTotal (#367) is not in mixedCase
Variable BabyTigerKing._burnFeeTotal (#368) is not in mixedCase
Variable BabyTigerKing._liquidityFeeTotal (#369) is not in mixedCase
Variable BabyTigerKing._marketingFeeTotal (#370) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#14)" inContext (#8-17)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#284) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#285)
Prevent variables from having similar names.
Additional information: link
BabyTigerKing._decimals (#340) should be constant
BabyTigerKing._feeDecimal (#357) should be constant
BabyTigerKing._name (#337) should be constant
BabyTigerKing._symbol (#338) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
owner() should be declared external:
- Ownable.owner() (#243-245)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#253-256)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#259-266)
name() should be declared external:
- BabyTigerKing.name() (#414-416)
symbol() should be declared external:
- BabyTigerKing.symbol() (#418-420)
decimals() should be declared external:
- BabyTigerKing.decimals() (#422-424)
totalSupply() should be declared external:
- BabyTigerKing.totalSupply() (#426-428)
transfer(address,uint256) should be declared external:
- BabyTigerKing.transfer(address,uint256) (#435-443)
allowance(address,address) should be declared external:
- BabyTigerKing.allowance(address,address) (#445-452)
approve(address,uint256) should be declared external:
- BabyTigerKing.approve(address,uint256) (#454-461)
transferFrom(address,address,uint256) should be declared external:
- BabyTigerKing.transferFrom(address,address,uint256) (#463-472)
increaseAllowance(address,uint256) should be declared external:
- BabyTigerKing.increaseAllowance(address,uint256) (#474-485)
decreaseAllowance(address,uint256) should be declared external:
- BabyTigerKing.decreaseAllowance(address,uint256) (#487-501)
isExcluded(address) should be declared external:
- BabyTigerKing.isExcluded(address) (#503-505)
reflectionFromToken(uint256,bool) should be declared external:
- BabyTigerKing.reflectionFromToken(uint256,bool) (#507-521)
Use the external attribute for functions never called from the contract.
Additional information: link
Pragma version^0.6.0 (#6) 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
Low level call in Address.sendValue(address,uint256) (#140-151):
- (success) = recipient.call{value: amount}() (#146)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#198-223):
- (success,returndata) = target.call{value: weiValue}(data) (#207-209)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
BabyTigerKing.collectFee(address,uint256,uint256) (#613-659) performs a multiplication on the result of a division:
-taxFee = amount.mul(_taxFee).div(10 ** (_feeDecimal + 2)) (#618)
-_reflectionTotal = _reflectionTotal.sub(taxFee.mul(rate)) (#620)
BabyTigerKing.collectFee(address,uint256,uint256) (#613-659) performs a multiplication on the result of a division:
-liquidityFee = amount.mul(_liquidityFee).div(10 ** (_feeDecimal + 2)) (#626)
-_reflectionBalance[address(this)] = _reflectionBalance[address(this)].add(liquidityFee.mul(rate)) (#628)
BabyTigerKing.collectFee(address,uint256,uint256) (#613-659) performs a multiplication on the result of a division:
-marketingFee = amount.mul(_marketingFee).div(10 ** (_feeDecimal + 2)) (#648)
-_reflectionBalance[marketingWallet] = _reflectionBalance[marketingWallet].add(marketingFee.mul(rate)) (#650)
BabyTigerKing.collectFee(address,uint256,uint256) (#613-659) performs a multiplication on the result of a division:
-burnFee = amount.mul(_burnFee).div(10 ** (_feeDecimal + 2)) (#638)
-_reflectionTotal = _reflectionTotal.sub(burnFee.mul(rate)) (#641)
Consider ordering multiplication before division.
Additional information: link
BabyTigerKing.addLiquidity(uint256,uint256) (#713-724) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
Ensure that all the return values of the function calls are used.
Additional information: link
BabyTigerKing.allowance(address,address).owner (#445) shadows:
- Ownable.owner() (#243-245) (function)
BabyTigerKing._approve(address,address,uint256).owner (#565) shadows:
- Ownable.owner() (#243-245) (function)
Rename the local variables that shadow another component.
Additional information: link
BabyTigerKing.setTaxFee(uint256) (#747-749) should emit an event for:
- _taxFee = fee (#748)
BabyTigerKing.setBurnFee(uint256) (#751-753) should emit an event for:
- _burnFee = fee (#752)
BabyTigerKing.setLiquidityFee(uint256) (#755-757) should emit an event for:
- _liquidityFee = fee (#756)
BabyTigerKing.setMarketingFee(uint256) (#759-761) should emit an event for:
- _marketingFee = fee (#760)
BabyTigerKing.setMaxTxAmount(uint256) (#763-765) should emit an event for:
- maxTxAmount = amount (#764)
BabyTigerKing.setMinTokensBeforeSwap(uint256) (#767-769) should emit an event for:
- minTokensBeforeSwap = amount (#768)
Emit an event for critical parameter changes.
Additional information: link
BabyTigerKing.setPair(address).pair (#726) lacks a zero-check on :
- uniswapV2Pair = pair (#727)
BabyTigerKing.setMarketingWallet(address).account (#730) lacks a zero-check on :
- marketingWallet = account (#731)
Check that the address is not zero.
Additional information: link
Reentrancy in BabyTigerKing._transfer(address,address,uint256) (#576-611):
External calls:
- swapAndLiquify(contractTokenBalance) (#590)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#704-710)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#590)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
State variables written after the call(s):
- transferAmount = collectFee(sender,amount,rate) (#597)
- _burnFeeTotal = _burnFeeTotal.add(burnFee) (#642)
- transferAmount = collectFee(sender,amount,rate) (#597)
- _liquidityFeeTotal = _liquidityFeeTotal.add(liquidityFee) (#632)
- transferAmount = collectFee(sender,amount,rate) (#597)
- _marketingFeeTotal = _marketingFeeTotal.add(marketingFee) (#654)
- transferAmount = collectFee(sender,amount,rate) (#597)
- _taxFeeTotal = _taxFeeTotal.add(taxFee) (#621)
Reentrancy in BabyTigerKing.constructor() (#393-412):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#399)
State variables written after the call(s):
- _reflectionBalance[_msgSender()] = _reflectionTotal (#410)
- isTaxless[_msgSender()] = true (#407)
- isTaxless[address(this)] = true (#408)
- marketingWallet = 0xbA070e4aa4cb9f6D65824beE6ddb09ad4b057aE0 (#403)
- uniswapV2Router = _uniswapV2Router (#401)
Reentrancy in BabyTigerKing.swapAndLiquify(uint256) (#679-695):
External calls:
- swapTokensForEth(half) (#688)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#704-710)
- addLiquidity(otherHalf,newBalance) (#692)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#692)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#692)
- _allowances[owner][spender] = amount (#572)
Reentrancy in BabyTigerKing.transferFrom(address,address,uint256) (#463-472):
External calls:
- _transfer(sender,recipient,amount) (#468)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#704-710)
External calls sending eth:
- _transfer(sender,recipient,amount) (#468)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#470)
- _allowances[owner][spender] = amount (#572)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in BabyTigerKing._transfer(address,address,uint256) (#576-611):
External calls:
- swapAndLiquify(contractTokenBalance) (#590)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#704-710)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#590)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
Event emitted after the call(s):
- Transfer(account,address(this),liquidityFee) (#633)
- transferAmount = collectFee(sender,amount,rate) (#597)
- Transfer(sender,recipient,transferAmount) (#610)
- Transfer(account,address(0),burnFee) (#643)
- transferAmount = collectFee(sender,amount,rate) (#597)
- Transfer(account,marketingWallet,marketingFee) (#655)
- transferAmount = collectFee(sender,amount,rate) (#597)
Reentrancy in BabyTigerKing.constructor() (#393-412):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#399)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tokenTotal) (#411)
Reentrancy in BabyTigerKing.swapAndLiquify(uint256) (#679-695):
External calls:
- swapTokensForEth(half) (#688)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#704-710)
- addLiquidity(otherHalf,newBalance) (#692)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#692)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#573)
- addLiquidity(otherHalf,newBalance) (#692)
- SwapAndLiquify(half,newBalance,otherHalf) (#694)
Reentrancy in BabyTigerKing.transferFrom(address,address,uint256) (#463-472):
External calls:
- _transfer(sender,recipient,amount) (#468)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#704-710)
External calls sending eth:
- _transfer(sender,recipient,amount) (#468)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#716-723)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#573)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#470)
Apply the check-effects-interactions pattern.
Additional information: link
Address.isContract(address) (#127-137) uses assembly
- INLINE ASM (#133-135)
Address._functionCallWithValue(address,bytes,uint256,string) (#198-223) uses assembly
- INLINE ASM (#215-218)
Do not use evm assembly.
Additional information: link
Address._functionCallWithValue(address,bytes,uint256,string) (#198-223) is never used and should be removed
Address.functionCall(address,bytes) (#154-159) is never used and should be removed
Address.functionCall(address,bytes,string) (#161-167) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#170-182) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#185-196) is never used and should be removed
Address.isContract(address) (#127-137) is never used and should be removed
Address.sendValue(address,uint256) (#140-151) is never used and should be removed
Context._msgData() (#13-16) is never used and should be removed
SafeMath.mod(uint256,uint256) (#109-111) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#114-121) is never used and should be removed
Remove unused functions.
Additional information: link
BabyTigerKing._reflectionTotal (#351) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tokenTotal))
BabyTigerKing.maxTxAmount (#378) is set pre-construction with a non-constant function or state variable:
- _tokenTotal
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
Unable to find token contract audit
Unable to find audit link on the website
Unable to find whitepaper link on the website
Unable to find token on CoinHunt
Additional information: link
Young tokens have high risks of price dump / death
Young tokens have high risks of scam / price dump / death
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
Last post in Twitter was more than 30 days ago