About SGT
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Spacegoat is a community-driven project that aims to provide users with NFTs marketplace. Moreover, each transaction of the Spacegoat token (SGT) charged with 10% fee that is allocated by the smart contract to charity, existing token-holders, liquidity and community growth.
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Laser Scorebeta Last Audit: 6 December 2021
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Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
SpaceGoat.addLiquidity(uint256,uint256) (#1124-1138) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1129-1136)
Ensure that an arbitrary user cannot withdraw unauthorized funds.
Additional information: link
Reentrancy in SpaceGoat._transfer(address,address,uint256) (#1038-1084):
External calls:
- swapAndLiquify(contractTokenBalance) (#1070)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1129-1136)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1115-1121)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1070)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1129-1136)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1082)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#962)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1172)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1161)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#837)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1185)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1162)
- _rOwned[_charityWallet] = _rOwned[_charityWallet].add(charityFee) (#982)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1174)
- _rOwned[_exMarketWallet] = _rOwned[_exMarketWallet].add(exMarketFee) (#983)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1186)
- _rOwned[_burnWallet] = _rOwned[_burnWallet].add(burnWallet) (#984)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#839)
- _tokenTransfer(from,to,amount,takeFee) (#1082)
- _rTotal = _rTotal.sub(rFee) (#903)
- _tokenTransfer(from,to,amount,takeFee) (#1082)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#964)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#836)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1184)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1173)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#838)
- _tOwned[address(this)] = _tOwned[address(this)].add(tcharityPlusExmarketFee) (#987)
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.
SpaceGoat._takecharityPlusExmarketFee(uint256).burnWallet (#971) 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
SpaceGoat.addLiquidity(uint256,uint256) (#1124-1138) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1129-1136)
Ensure that all the return values of the function calls are used.
Additional information: link
SpaceGoat._approve(address,address,uint256).owner (#1030) shadows:
- Ownable.owner() (#411-413) (function)
Rename the local variables that shadow another component.
Additional information: link
SpaceGoat.setcharityPlusExmarketFee(uint256) (#871-873) should emit an event for:
- _charityPlusExmarketFee = charityPlusExmarketFee (#872)
Emit an event for critical parameter changes.
Additional information: link
SpaceGoat.setExMarketWallet(address).exMarketWalletAddress (#879) lacks a zero-check on :
- _exMarketWallet = exMarketWalletAddress (#880)
Check that the address is not zero.
Additional information: link
Reentrancy in SpaceGoat.transferFrom(address,address,uint256) (#762-766):
External calls:
- _transfer(sender,recipient,amount) (#763)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1129-1136)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1115-1121)
External calls sending eth:
- _transfer(sender,recipient,amount) (#763)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1129-1136)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#764)
- _allowances[owner][spender] = amount (#1034)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in SpaceGoat.transferFrom(address,address,uint256) (#762-766):
External calls:
- _transfer(sender,recipient,amount) (#763)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1129-1136)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1115-1121)
External calls sending eth:
- _transfer(sender,recipient,amount) (#763)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1129-1136)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1035)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#764)
Apply the check-effects-interactions pattern.
Additional information: link
Address._functionCallWithValue(address,bytes,uint256,string) (#357-378) uses assembly
- INLINE ASM (#370-373)
Do not use evm assembly.
Additional information: link
SafeMath.mod(uint256,uint256,string) (#225-228) is never used and should be removed
Remove unused functions.
Additional information: link
SpaceGoat._previouscharityPlusExmarketFee (#681) is set pre-construction with a non-constant function or state variable:
- _charityPlusExmarketFee
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
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#357-378):
- (success,returndata) = target.call{value: weiValue}(data) (#361)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Constant SpaceGoat.numTokensSellToAddToLiquidity (#696) is not in UPPER_CASE_WITH_UNDERSCORES
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#237)" inContext (#231-240)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Variable SpaceGoat._getRValues(uint256,uint256,uint256,uint256,uint256).rcharityPlusExmarketFee (#930) is too similar to SpaceGoat._transferBothExcluded(address,address,uint256).tcharityPlusExmarketFee (#835)
Prevent variables from having similar names.
Additional information: link
SpaceGoat.slitherConstructorConstantVariables() (#651-1195) uses literals with too many digits:
- numTokensSellToAddToLiquidity = 500000 * 10 ** 6 * 10 ** 9 (#696)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
Ownable._previousOwner (#395) is never used in SpaceGoat (#651-1195)
Remove unused state variables.
Additional information: link
SpaceGoat.pancake (#689) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
isExcludedFromFee(address) should be declared external:
- SpaceGoat.isExcludedFromFee(address) (#1026-1028)
Use the external attribute for functions never called from the contract.
Additional information: link
Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.
Token is deployed only at one blockchain
Token has only one trading pair
Unable to find PancakeSwap trading pair to compute liquidity.
Unable to find PancakeSwap trading pair to compute volume.
Unable to find PancakeSwap trading pair to compute number of swaps.
BscScan page for the token does not contain additional info: website, socials, description, etc.
Additional information: link
Token was delisted (assigned to inactive / untracked listing) from CoinMarketCap
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 Telegram link on the website
Token is marked as scam (rug pull, honeypot, phishing, etc.)
Additional information: link
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of scam / price dump / death
Token has no active CoinMarketCap listing / rank
Token has a considerable age, but social accounts / website are missing or have few users
Token has a considerable age, but average PancakeSwap 30d trading volume is low
Young tokens have high risks of price dump / death
Token has relatively low CoinGecko rank
Price for SGT
LASER DESK beta
Twitter account link seems to be invalid
Telegram account has relatively few subscribers