Hare Token ($Hare) is a community-focused, decentralized cryptocurrency with instant rewards for holders.
Reentrancy in HareToken._transfer(address,address,uint256) (#1009-1053):
External calls:
- swapAndLiquify(contractTokenBalance) (#1040)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1087-1093)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1040)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#965)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1143)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1134)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#881)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1135)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1154)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1155)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1145)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#883)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- _rTotal = _rTotal.sub(rFee) (#920)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#967)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1153)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#880)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1144)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#882)
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.
HareToken._decimals (#721) should be constant
HareToken.numTokensSellToAddToLiquidity (#736) should be constant
HareToken._tTotal (#715) should be constant
HareToken._name (#719) should be constant
HareToken._symbol (#720) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
HareToken.addLiquidity(uint256,uint256) (#1096-1109) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
Ensure that all the return values of the function calls are used.
Additional information: link
HareToken._approve(address,address,uint256).owner (#1001) shadows:
- Ownable.owner() (#432-434) (function)
HareToken.allowance(address,address).owner (#796) shadows:
- Ownable.owner() (#432-434) (function)
Rename the local variables that shadow another component.
Additional information: link
HareToken.setTaxFeePercent(uint256) (#897-899) should emit an event for:
- _taxFee = taxFee (#898)
HareToken.setLiquidityFeePercent(uint256) (#901-903) should emit an event for:
- _liquidityFee = liquidityFee (#902)
HareToken.setMaxTxPercent(uint256) (#905-909) should emit an event for:
- _maxTxAmount = _tTotal.mul(maxTxPercent).div(10 ** 2) (#906-908)
Emit an event for critical parameter changes.
Additional information: link
HareToken._previousLiquidityFee (#727) is set pre-construction with a non-constant function or state variable:
- _liquidityFee
HareToken._previousTaxFee (#724) is set pre-construction with a non-constant function or state variable:
- _taxFee
HareToken._rTotal (#716) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
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
Address._functionCallWithValue(address,bytes,uint256,string) (#377-398) uses assembly
- INLINE ASM (#390-393)
Address.isContract(address) (#284-293) uses assembly
- INLINE ASM (#291)
Do not use evm assembly.
Additional information: link
Low level call in Address.sendValue(address,uint256) (#311-317):
- (success) = recipient.call{value: amount}() (#315)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#377-398):
- (success,returndata) = target.call{value: weiValue}(data) (#381)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Reentrancy in HareToken._transfer(address,address,uint256) (#1009-1053):
External calls:
- swapAndLiquify(contractTokenBalance) (#1040)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1087-1093)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1040)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- _liquidityFee = _previousLiquidityFee (#994)
- _liquidityFee = 0 (#989)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- _previousLiquidityFee = _liquidityFee (#986)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- _previousTaxFee = _taxFee (#985)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- _tFeeTotal = _tFeeTotal.add(tFee) (#921)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- _taxFee = _previousTaxFee (#993)
- _taxFee = 0 (#988)
Reentrancy in HareToken.transferFrom(address,address,uint256) (#805-809):
External calls:
- _transfer(sender,recipient,amount) (#806)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1087-1093)
External calls sending eth:
- _transfer(sender,recipient,amount) (#806)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#807)
- _allowances[owner][spender] = amount (#1005)
Reentrancy in HareToken.swapAndLiquify(uint256) (#1055-1076):
External calls:
- swapTokensForEth(half) (#1067)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1087-1093)
- addLiquidity(otherHalf,newBalance) (#1073)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1073)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#1073)
- _allowances[owner][spender] = amount (#1005)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in HareToken.swapAndLiquify(uint256) (#1055-1076):
External calls:
- swapTokensForEth(half) (#1067)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1087-1093)
- addLiquidity(otherHalf,newBalance) (#1073)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1073)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1006)
- addLiquidity(otherHalf,newBalance) (#1073)
- SwapAndLiquify(half,newBalance,otherHalf) (#1075)
Reentrancy in HareToken.transferFrom(address,address,uint256) (#805-809):
External calls:
- _transfer(sender,recipient,amount) (#806)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1087-1093)
External calls sending eth:
- _transfer(sender,recipient,amount) (#806)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1006)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#807)
Reentrancy in HareToken._transfer(address,address,uint256) (#1009-1053):
External calls:
- swapAndLiquify(contractTokenBalance) (#1040)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1087-1093)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1040)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1101-1108)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#1138)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- Transfer(sender,recipient,tTransferAmount) (#1148)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- Transfer(sender,recipient,tTransferAmount) (#1158)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
- Transfer(sender,recipient,tTransferAmount) (#886)
- _tokenTransfer(from,to,amount,takeFee) (#1052)
Apply the check-effects-interactions pattern.
Additional information: link
Ownable.unlock() (#479-484) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now > _lockTime,Contract is locked until 7 days) (#481)
Avoid relying on block.timestamp.
Additional information: link
Address.sendValue(address,uint256) (#311-317) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#362-364) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#245-248) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#372-375) is never used and should be removed
Context._msgData() (#256-259) is never used and should be removed
SafeMath.mod(uint256,uint256) (#229-231) is never used and should be removed
Address._functionCallWithValue(address,bytes,uint256,string) (#377-398) is never used and should be removed
Address.isContract(address) (#284-293) is never used and should be removed
Address.functionCall(address,bytes,string) (#347-349) is never used and should be removed
Address.functionCall(address,bytes) (#337-339) is never used and should be removed
Remove unused functions.
Additional information: link
Variable HareToken._liquidityFee (#726) is not in mixedCase
Variable HareToken._taxFee (#723) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#524) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#541) is not in mixedCase
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#523) is not in mixedCase
Parameter HareToken.calculateLiquidityFee(uint256)._amount (#976) is not in mixedCase
Parameter HareToken.setSwapAndLiquifyEnabled(bool)._enabled (#911) is not in mixedCase
Variable HareToken._maxTxAmount (#735) is not in mixedCase
Function IUniswapV2Router01.WETH() (#563) is not in mixedCase
Parameter HareToken.calculateTaxFee(uint256)._amount (#970) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#257)" inContext (#251-260)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Variable HareToken._transferStandard(address,address,uint256).rTransferAmount (#1133) is too similar to HareToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1152)
Variable HareToken._getValues(uint256).rTransferAmount (#926) is too similar to HareToken._getValues(uint256).tTransferAmount (#925)
Variable HareToken._getValues(uint256).rTransferAmount (#926) is too similar to HareToken._getTValues(uint256).tTransferAmount (#933)
Variable HareToken._transferBothExcluded(address,address,uint256).rTransferAmount (#879) is too similar to HareToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1152)
Variable HareToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#941) is too similar to HareToken._transferStandard(address,address,uint256).tTransferAmount (#1133)
Variable HareToken._transferToExcluded(address,address,uint256).rTransferAmount (#1142) is too similar to HareToken._transferBothExcluded(address,address,uint256).tTransferAmount (#879)
Variable HareToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1152) is too similar to HareToken._transferBothExcluded(address,address,uint256).tTransferAmount (#879)
Variable HareToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1152) is too similar to HareToken._getValues(uint256).tTransferAmount (#925)
Variable HareToken.reflectionFromToken(uint256,bool).rTransferAmount (#844) is too similar to HareToken._getValues(uint256).tTransferAmount (#925)
Variable HareToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#941) is too similar to HareToken._transferBothExcluded(address,address,uint256).tTransferAmount (#879)
Variable HareToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#941) is too similar to HareToken._getTValues(uint256).tTransferAmount (#933)
Variable HareToken._transferBothExcluded(address,address,uint256).rTransferAmount (#879) is too similar to HareToken._transferToExcluded(address,address,uint256).tTransferAmount (#1142)
Variable HareToken.reflectionFromToken(uint256,bool).rTransferAmount (#844) is too similar to HareToken._getTValues(uint256).tTransferAmount (#933)
Variable HareToken._getValues(uint256).rTransferAmount (#926) is too similar to HareToken._transferToExcluded(address,address,uint256).tTransferAmount (#1142)
Variable HareToken._transferStandard(address,address,uint256).rTransferAmount (#1133) is too similar to HareToken._getTValues(uint256).tTransferAmount (#933)
Variable HareToken.reflectionFromToken(uint256,bool).rTransferAmount (#844) is too similar to HareToken._transferStandard(address,address,uint256).tTransferAmount (#1133)
Variable HareToken._transferToExcluded(address,address,uint256).rTransferAmount (#1142) is too similar to HareToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1152)
Variable HareToken._transferToExcluded(address,address,uint256).rTransferAmount (#1142) is too similar to HareToken._transferStandard(address,address,uint256).tTransferAmount (#1133)
Variable HareToken._transferBothExcluded(address,address,uint256).rTransferAmount (#879) is too similar to HareToken._transferBothExcluded(address,address,uint256).tTransferAmount (#879)
Variable HareToken._getValues(uint256).rTransferAmount (#926) is too similar to HareToken._transferBothExcluded(address,address,uint256).tTransferAmount (#879)
Variable HareToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1152) is too similar to HareToken._getTValues(uint256).tTransferAmount (#933)
Variable HareToken._transferStandard(address,address,uint256).rTransferAmount (#1133) is too similar to HareToken._transferStandard(address,address,uint256).tTransferAmount (#1133)
Variable HareToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#941) is too similar to HareToken._getValues(uint256).tTransferAmount (#925)
Variable HareToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#941) is too similar to HareToken._transferToExcluded(address,address,uint256).tTransferAmount (#1142)
Variable HareToken.reflectionFromToken(uint256,bool).rTransferAmount (#844) is too similar to HareToken._transferToExcluded(address,address,uint256).tTransferAmount (#1142)
Variable HareToken._getValues(uint256).rTransferAmount (#926) is too similar to HareToken._transferStandard(address,address,uint256).tTransferAmount (#1133)
Variable HareToken._transferToExcluded(address,address,uint256).rTransferAmount (#1142) is too similar to HareToken._transferToExcluded(address,address,uint256).tTransferAmount (#1142)
Variable HareToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1152) is too similar to HareToken._transferToExcluded(address,address,uint256).tTransferAmount (#1142)
Variable HareToken._transferStandard(address,address,uint256).rTransferAmount (#1133) is too similar to HareToken._getValues(uint256).tTransferAmount (#925)
Variable HareToken._getValues(uint256).rTransferAmount (#926) is too similar to HareToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1152)
Variable HareToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#941) is too similar to HareToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1152)
Variable HareToken._transferStandard(address,address,uint256).rTransferAmount (#1133) is too similar to HareToken._transferToExcluded(address,address,uint256).tTransferAmount (#1142)
Variable HareToken._transferBothExcluded(address,address,uint256).rTransferAmount (#879) is too similar to HareToken._transferStandard(address,address,uint256).tTransferAmount (#1133)
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#568) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#569)
Variable HareToken._transferBothExcluded(address,address,uint256).rTransferAmount (#879) is too similar to HareToken._getTValues(uint256).tTransferAmount (#933)
Variable HareToken.reflectionFromToken(uint256,bool).rTransferAmount (#844) is too similar to HareToken._transferBothExcluded(address,address,uint256).tTransferAmount (#879)
Variable HareToken._transferToExcluded(address,address,uint256).rTransferAmount (#1142) is too similar to HareToken._getValues(uint256).tTransferAmount (#925)
Variable HareToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1152) is too similar to HareToken._transferStandard(address,address,uint256).tTransferAmount (#1133)
Variable HareToken._transferBothExcluded(address,address,uint256).rTransferAmount (#879) is too similar to HareToken._getValues(uint256).tTransferAmount (#925)
Variable HareToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1152) is too similar to HareToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1152)
Variable HareToken._transferStandard(address,address,uint256).rTransferAmount (#1133) is too similar to HareToken._transferBothExcluded(address,address,uint256).tTransferAmount (#879)
Variable HareToken.reflectionFromToken(uint256,bool).rTransferAmount (#844) is too similar to HareToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1152)
Variable HareToken._transferToExcluded(address,address,uint256).rTransferAmount (#1142) is too similar to HareToken._getTValues(uint256).tTransferAmount (#933)
Prevent variables from having similar names.
Additional information: link
decreaseAllowance(address,uint256) should be declared external:
- HareToken.decreaseAllowance(address,uint256) (#816-819)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#451-454)
approve(address,uint256) should be declared external:
- HareToken.approve(address,uint256) (#800-803)
transferFrom(address,address,uint256) should be declared external:
- HareToken.transferFrom(address,address,uint256) (#805-809)
excludeFromFee(address) should be declared external:
- HareToken.excludeFromFee(address) (#889-891)
totalSupply() should be declared external:
- HareToken.totalSupply() (#782-784)
name() should be declared external:
- HareToken.name() (#770-772)
reflectionFromToken(uint256,bool) should be declared external:
- HareToken.reflectionFromToken(uint256,bool) (#838-847)
decimals() should be declared external:
- HareToken.decimals() (#778-780)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#460-464)
excludeFromReward(address) should be declared external:
- HareToken.excludeFromReward(address) (#855-863)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (#466-468)
transfer(address,uint256) should be declared external:
- HareToken.transfer(address,uint256) (#791-794)
symbol() should be declared external:
- HareToken.symbol() (#774-776)
allowance(address,address) should be declared external:
- HareToken.allowance(address,address) (#796-798)
isExcludedFromFee(address) should be declared external:
- HareToken.isExcludedFromFee(address) (#997-999)
unlock() should be declared external:
- Ownable.unlock() (#479-484)
deliver(uint256) should be declared external:
- HareToken.deliver(uint256) (#829-836)
includeInFee(address) should be declared external:
- HareToken.includeInFee(address) (#893-895)
totalFees() should be declared external:
- HareToken.totalFees() (#825-827)
setSwapAndLiquifyEnabled(bool) should be declared external:
- HareToken.setSwapAndLiquifyEnabled(bool) (#911-914)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#471-476)
increaseAllowance(address,uint256) should be declared external:
- HareToken.increaseAllowance(address,uint256) (#811-814)
isExcludedFromReward(address) should be declared external:
- HareToken.isExcludedFromReward(address) (#821-823)
Use the external attribute for functions never called from the contract.
Additional information: link
HareToken.includeInReward(address) (#865-876) has costly operations inside a loop:
- _excluded.pop() (#872)
Use a local variable to hold the loop computation result.
Additional information: link
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.
Average 30d PancakeSwap volume is less than $100. Token is either dead or inactive.
Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.
Token is deployed only at one blockchain
Contract has 10% buy tax and 8% sell tax.
Taxes are low and contract ownership is renounced.
Token has a considerable age, but average PancakeSwap 30d trading volume is low
Token has relatively low CoinMarketCap rank
Token has relatively low CoinGecko rank
Twitter account link seems to be invalid
Unable to find Blog account (Reddit or Medium)
Unable to find Youtube account
Unable to find Discord account