Reentrancy in SkiingTypes._transfer(address,address,uint256) (#239-276):
External calls:
- swapTokensForEth(contractTokenBalance) (#251)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#283-289)
External calls sending eth:
- sendETHToFee(address(this).balance) (#254)
- _developmentAddress.transfer(amount.div(2)) (#293)
- _marketingAddress.transfer(amount.div(2)) (#294)
State variables written after the call(s):
- _tokenTransfer(from,to,amount) (#275)
- _rOwned[address(this)] = _rOwned[address(this)].add(rTeam) (#333)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#323)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#324)
- _tokenTransfer(from,to,amount) (#275)
- _rTotal = _rTotal.sub(rFee) (#337)
Apply the check-effects-interactions pattern.
Additional information: link
SkiingTypes.rescueForeignTokens(address,address,uint256) (#302-305) ignores return value by Token(_tokenAddr).transfer(_to,_amount) (#304)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.
Additional information: link
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
SkiingTypes.sendETHToFee(uint256) (#292-295) sends eth to arbitrary user
Dangerous calls:
- _developmentAddress.transfer(amount.div(2)) (#293)
- _marketingAddress.transfer(amount.div(2)) (#294)
Ensure that an arbitrary user cannot withdraw unauthorized funds.
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.
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.
SkiingTypes.allowance(address,address).owner (#211) shadows:
- Ownable.owner() (#103-105) (function)
SkiingTypes._approve(address,address,uint256).owner (#232) shadows:
- Ownable.owner() (#103-105) (function)
Rename the local variables that shadow another component.
Additional information: link
Ownable.transferOwnership(address).newOwner (#118) lacks a zero-check on :
- _owner = newOwner (#120)
SkiingTypes.setNewDevAddress(address).dev (#308) lacks a zero-check on :
- _developmentAddress = dev (#310)
SkiingTypes.setNewMarketingAddress(address).markt (#315) lacks a zero-check on :
- _marketingAddress = markt (#317)
Check that the address is not zero.
Additional information: link
Contract ticker (Skiing Types) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.
SkiingTypes.constructor() (#165-179) uses literals with too many digits:
- Transfer(address(0x0000000000000000000000000000000000000000),_msgSender(),_tTotal) (#178)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
Ownable._previousOwner (#95) is never used in SkiingTypes (#125-410)
SkiingTypes._tOwned (#129) is never used in SkiingTypes (#125-410)
Remove unused state variables.
Additional information: link
Ownable._previousOwner (#95) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
Reentrancy in SkiingTypes._transfer(address,address,uint256) (#239-276):
External calls:
- swapTokensForEth(contractTokenBalance) (#251)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#283-289)
External calls sending eth:
- sendETHToFee(address(this).balance) (#254)
- _developmentAddress.transfer(amount.div(2)) (#293)
- _marketingAddress.transfer(amount.div(2)) (#294)
State variables written after the call(s):
- _redisFee = _redisFeeOnBuy (#259)
- _redisFee = _redisFeeOnSell (#264)
- _redisFee = 0 (#269)
- _tokenTransfer(from,to,amount) (#275)
- _tFeeTotal = _tFeeTotal.add(tFee) (#338)
- _taxFee = _taxFeeOnBuy (#260)
- _taxFee = _taxFeeOnSell (#265)
- _taxFee = 0 (#270)
Reentrancy in SkiingTypes.constructor() (#165-179):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#170-171)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#173)
- _isExcludedFromFee[address(this)] = true (#174)
- _isExcludedFromFee[_developmentAddress] = true (#175)
- _isExcludedFromFee[_marketingAddress] = true (#176)
Reentrancy in SkiingTypes.transferFrom(address,address,uint256) (#220-224):
External calls:
- _transfer(sender,recipient,amount) (#221)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#283-289)
External calls sending eth:
- _transfer(sender,recipient,amount) (#221)
- _developmentAddress.transfer(amount.div(2)) (#293)
- _marketingAddress.transfer(amount.div(2)) (#294)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#222)
- _allowances[owner][spender] = amount (#235)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in SkiingTypes._transfer(address,address,uint256) (#239-276):
External calls:
- swapTokensForEth(contractTokenBalance) (#251)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#283-289)
External calls sending eth:
- sendETHToFee(address(this).balance) (#254)
- _developmentAddress.transfer(amount.div(2)) (#293)
- _marketingAddress.transfer(amount.div(2)) (#294)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#327)
- _tokenTransfer(from,to,amount) (#275)
Reentrancy in SkiingTypes.constructor() (#165-179):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#170-171)
Event emitted after the call(s):
- Transfer(address(0x0000000000000000000000000000000000000000),_msgSender(),_tTotal) (#178)
Reentrancy in SkiingTypes.transferFrom(address,address,uint256) (#220-224):
External calls:
- _transfer(sender,recipient,amount) (#221)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#283-289)
External calls sending eth:
- _transfer(sender,recipient,amount) (#221)
- _developmentAddress.transfer(amount.div(2)) (#293)
- _marketingAddress.transfer(amount.div(2)) (#294)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#236)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#222)
Apply the check-effects-interactions pattern.
Additional information: link
Function IUniswapV2Router02.WETH() (#38) is not in mixedCase
Event SkiingTypestokensRescued(address,address,uint256) (#301) is not in CapWords
Event SkiingTypesdevAddressUpdated(address,address) (#307) is not in CapWords
Event SkiingTypesmarketingAddressUpdated(address,address) (#314) is not in CapWords
Parameter SkiingTypes.rescueForeignTokens(address,address,uint256)._tokenAddr (#302) is not in mixedCase
Parameter SkiingTypes.rescueForeignTokens(address,address,uint256)._to (#302) is not in mixedCase
Parameter SkiingTypes.rescueForeignTokens(address,address,uint256)._amount (#302) is not in mixedCase
Parameter SkiingTypes.toggleSwap(bool)._swapEnabled (#400) is not in mixedCase
Constant SkiingTypes._tTotal (#134) is not in UPPER_CASE_WITH_UNDERSCORES
Constant SkiingTypes._name (#147) is not in UPPER_CASE_WITH_UNDERSCORES
Constant SkiingTypes._symbol (#148) is not in UPPER_CASE_WITH_UNDERSCORES
Constant SkiingTypes._decimals (#149) is not in UPPER_CASE_WITH_UNDERSCORES
Follow the Solidity naming convention.
Additional information: link
Reentrancy in SkiingTypes._transfer(address,address,uint256) (#239-276):
External calls:
- sendETHToFee(address(this).balance) (#254)
- _developmentAddress.transfer(amount.div(2)) (#293)
- _marketingAddress.transfer(amount.div(2)) (#294)
State variables written after the call(s):
- _tokenTransfer(from,to,amount) (#275)
- _rOwned[address(this)] = _rOwned[address(this)].add(rTeam) (#333)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#323)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#324)
- _tokenTransfer(from,to,amount) (#275)
- _rTotal = _rTotal.sub(rFee) (#337)
- _redisFee = _redisFeeOnBuy (#259)
- _redisFee = _redisFeeOnSell (#264)
- _redisFee = 0 (#269)
- _tokenTransfer(from,to,amount) (#275)
- _tFeeTotal = _tFeeTotal.add(tFee) (#338)
- _taxFee = _taxFeeOnBuy (#260)
- _taxFee = _taxFeeOnSell (#265)
- _taxFee = 0 (#270)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#327)
- _tokenTransfer(from,to,amount) (#275)
Reentrancy in SkiingTypes.transferFrom(address,address,uint256) (#220-224):
External calls:
- _transfer(sender,recipient,amount) (#221)
- _developmentAddress.transfer(amount.div(2)) (#293)
- _marketingAddress.transfer(amount.div(2)) (#294)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#222)
- _allowances[owner][spender] = amount (#235)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#236)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#222)
Apply the check-effects-interactions pattern.
Additional information: link
Variable SkiingTypes._getValues(uint256).rTransferAmount (#346) is too similar to SkiingTypes._getTValues(uint256,uint256,uint256).tTransferAmount (#353)
Variable SkiingTypes._transferStandard(address,address,uint256).rTransferAmount (#322) is too similar to SkiingTypes._transferStandard(address,address,uint256).tTransferAmount (#322)
Variable SkiingTypes._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#361) is too similar to SkiingTypes._getTValues(uint256,uint256,uint256).tTransferAmount (#353)
Variable SkiingTypes._transferStandard(address,address,uint256).rTransferAmount (#322) is too similar to SkiingTypes._getTValues(uint256,uint256,uint256).tTransferAmount (#353)
Variable SkiingTypes._getValues(uint256).rTransferAmount (#346) is too similar to SkiingTypes._getValues(uint256).tTransferAmount (#344)
Variable SkiingTypes._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#361) is too similar to SkiingTypes._getValues(uint256).tTransferAmount (#344)
Variable SkiingTypes._getValues(uint256).rTransferAmount (#346) is too similar to SkiingTypes._transferStandard(address,address,uint256).tTransferAmount (#322)
Variable SkiingTypes._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#361) is too similar to SkiingTypes._transferStandard(address,address,uint256).tTransferAmount (#322)
Variable SkiingTypes._transferStandard(address,address,uint256).rTransferAmount (#322) is too similar to SkiingTypes._getValues(uint256).tTransferAmount (#344)
Prevent variables from having similar names.
Additional information: link
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#112-115)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#118-121)
name() should be declared external:
- SkiingTypes.name() (#186-188)
symbol() should be declared external:
- SkiingTypes.symbol() (#190-192)
decimals() should be declared external:
- SkiingTypes.decimals() (#194-196)
totalSupply() should be declared external:
- SkiingTypes.totalSupply() (#198-200)
transfer(address,uint256) should be declared external:
- SkiingTypes.transfer(address,uint256) (#206-209)
allowance(address,address) should be declared external:
- SkiingTypes.allowance(address,address) (#211-213)
approve(address,uint256) should be declared external:
- SkiingTypes.approve(address,uint256) (#215-218)
transferFrom(address,address,uint256) should be declared external:
- SkiingTypes.transferFrom(address,address,uint256) (#220-224)
rescueForeignTokens(address,address,uint256) should be declared external:
- SkiingTypes.rescueForeignTokens(address,address,uint256) (#302-305)
setNewDevAddress(address) should be declared external:
- SkiingTypes.setNewDevAddress(address) (#308-312)
setNewMarketingAddress(address) should be declared external:
- SkiingTypes.setNewMarketingAddress(address) (#315-319)
setFee(uint256,uint256,uint256,uint256) should be declared external:
- SkiingTypes.setFee(uint256,uint256,uint256,uint256) (#389-398)
toggleSwap(bool) should be declared external:
- SkiingTypes.toggleSwap(bool) (#400-402)
excludeMultipleAccountsFromFees(address[],bool) should be declared external:
- SkiingTypes.excludeMultipleAccountsFromFees(address[],bool) (#404-408)
Use the external attribute for functions never called from the contract.
Additional information: link
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
Unable to find Twitter account
Telegram account has less than 100 subscribers
Unable to find Blog account (Reddit or Medium)
Unable to find Youtube account
Unable to find Discord account