PLY [Elysium Planitia] Token

Elysium.addLiquidity(uint256,uint256) (#1356-1371) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in Elysium._transfer(address,address,uint256) (#1225-1286):
External calls:
- swapAndLiquify(swapTokens) (#1270)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1270)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
State variables written after the call(s):
- super._transfer(from,address(this),fees) (#1282)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#803)
- _balances[recipient] = _balances[recipient].add(amount) (#804)
- super._transfer(from,to,amount) (#1285)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#803)
- _balances[recipient] = _balances[recipient].add(amount) (#804)
- swapping = false (#1275)
Apply the check-effects-interactions pattern.

Additional information: link

OwnerVault.sendTokenToBeneficiary(address) (#1018-1024) ignores return value by IERC20(_token).transfer(beneficiary,amount) (#1022)
OwnerVault.sendTokenToBeneficiary(address,uint256) (#1026-1031) ignores return value by IERC20(_token).transfer(beneficiary,amount) (#1029)
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...)

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.

Contract ownership is not renounced (belongs to a wallet)

OwnerVault.setupBanker(address,bool) (#1003-1006) uses tx.origin for authorization: require(bool)(beneficiary == _msgSender() || bankers[tx.origin] == true) (#1004)
OwnerVault.swapBeneficiary(address) (#1013-1016) uses tx.origin for authorization: require(bool,string)(bankers[_msgSender()] || bankers[tx.origin],Only Bankers are allowed to use Vault) (#1014)
Elysium._transfer(address,address,uint256) (#1225-1286) uses tx.origin for authorization: snipers[tx.origin] && blockSnipers (#1234)
Do not use tx.origin for authorization.

Additional information: link

Elysium.addLiquidity(uint256,uint256) (#1356-1371) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
Ensure that all the return values of the function calls are used.

Additional information: link

Elysium.updateSwapTokensAtAmount(uint256) (#1101-1103) should emit an event for:
- swapTokensAtAmount = _v (#1102)
Emit an event for critical parameter changes.

Additional information: link

OwnerVault.swapBeneficiary(address)._beneficiary (#1013) lacks a zero-check on :
- beneficiary = _beneficiary (#1015)
Elysium.updateUniswapV2Router(address)._uniswapV2Pair (#1186-1187) lacks a zero-check on :
- uniswapV2Pair = _uniswapV2Pair (#1188)
Elysium.updateLiquidityWallet(address)._n (#1323) lacks a zero-check on :
- liquidityWallet = _n (#1324)
Check that the address is not zero.

Additional information: link

Reentrancy in Elysium._transfer(address,address,uint256) (#1225-1286):
External calls:
- swapAndLiquify(swapTokens) (#1270)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1270)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
State variables written after the call(s):
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- _allowances[owner][spender] = amount (#869)
Reentrancy in Elysium.constructor() (#1106-1127):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1109-1110)
State variables written after the call(s):
- _mint(owner(),supply) (#1126)
- _balances[account] = _balances[account].add(amount) (#823)
- excludeFromFees(feeWallets[i],true) (#1119)
- _isExcludedFromFees[account] = excluded (#1195)
- excludeFromFees(owner(),true) (#1121)
- _isExcludedFromFees[account] = excluded (#1195)
- excludeFromFees(address(this),true) (#1122)
- _isExcludedFromFees[account] = excluded (#1195)
- _mint(owner(),supply) (#1126)
- _totalSupply = _totalSupply.add(amount) (#822)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1115)
- automatedMarketMakerPairs[pair] = value (#1213)
- canTransferBeforeTradingIsEnabled[owner()] = true (#1125)
- uniswapV2Pair = _uniswapV2Pair (#1113)
- uniswapV2Router = _uniswapV2Router (#1112)
Reentrancy in Elysium.swapAndLiquify(uint256) (#1333-1354):
External calls:
- swapTokensForEth(half) (#1345)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- addLiquidity(otherHalf,newBalance) (#1351)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1351)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#1351)
- _allowances[owner][spender] = amount (#869)
Reentrancy in Elysium.updateUniswapV2Router(address) (#1182-1192):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1186-1187)
State variables written after the call(s):
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1190)
- automatedMarketMakerPairs[pair] = value (#1213)
- uniswapV2Pair = _uniswapV2Pair (#1188)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Elysium._transfer(address,address,uint256) (#1225-1286):
External calls:
- swapAndLiquify(swapTokens) (#1270)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
External calls sending eth:
- swapAndLiquify(swapTokens) (#1270)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#870)
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- SendFee(feeWallets[i],feeAmount) (#1317)
- swapAndSendRewardsAndFees(sellTokens) (#1273)
- Transfer(sender,recipient,amount) (#805)
- super._transfer(from,to,amount) (#1285)
- Transfer(sender,recipient,amount) (#805)
- super._transfer(from,address(this),fees) (#1282)
Reentrancy in Elysium.constructor() (#1106-1127):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1109-1110)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (#1196)
- excludeFromFees(address(this),true) (#1122)
- ExcludeFromFees(account,excluded) (#1196)
- excludeFromFees(owner(),true) (#1121)
- ExcludeFromFees(account,excluded) (#1196)
- excludeFromFees(feeWallets[i],true) (#1119)
- SetAutomatedMarketMakerPair(pair,value) (#1214)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1115)
- Transfer(address(0),account,amount) (#824)
- _mint(owner(),supply) (#1126)
Reentrancy in Elysium.swapAndLiquify(uint256) (#1333-1354):
External calls:
- swapTokensForEth(half) (#1345)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- addLiquidity(otherHalf,newBalance) (#1351)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1351)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1362-1369)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#870)
- addLiquidity(otherHalf,newBalance) (#1351)
- SwapAndLiquify(half,newBalance,otherHalf) (#1353)
Reentrancy in Elysium.swapAndSendRewardsAndFees(uint256) (#1306-1320):
External calls:
- swapTokensForEth(tokens) (#1307)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1297-1303)
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
External calls sending eth:
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
Event emitted after the call(s):
- SendFee(feeWallets[i],feeAmount) (#1317)
Reentrancy in Elysium.updateUniswapV2Router(address) (#1182-1192):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#1186-1187)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(pair,value) (#1214)
- _setAutomatedMarketMakerPair(uniswapV2Pair,true) (#1190)
Apply the check-effects-interactions pattern.

Additional information: link

Elysium.antiSniperOn() (#1131-1133) uses timestamp for comparisons
Dangerous comparisons:
- block.timestamp < antiSniperStart + antiSniperSeconds || snipers[tx.origin] == true (#1132)
Elysium.getTradingIsEnabled() (#1221-1223) uses timestamp for comparisons
Dangerous comparisons:
- block.timestamp >= antiSniperStart (#1222)
Elysium._transfer(address,address,uint256) (#1225-1286) uses timestamp for comparisons
Dangerous comparisons:
- ! tradingIsEnabled && (isSell || isPurchase) (#1248)
- contractTokenBalance >= swapTokensAtAmount && tradingIsEnabled && ! swapping && ! automatedMarketMakerPairs[from] && ! isFeeWallet && isSell (#1260-1265)
- tradingIsEnabled && ! swapping && ! (_isExcludedFromFees[from] || _isExcludedFromFees[to]) && (isPurchase || isSell) (#1279)
Avoid relying on block.timestamp.

Additional information: link

OwnerVault.setupBanker(address,bool) (#1003-1006) compares to a boolean constant:
-require(bool)(beneficiary == _msgSender() || bankers[tx.origin] == true) (#1004)
Elysium.antiSniperOn() (#1131-1133) compares to a boolean constant:
-block.timestamp < antiSniperStart + antiSniperSeconds || snipers[tx.origin] == true (#1132)
Remove the equality to the boolean constant.

Additional information: link

Context._msgData() (#19-22) is never used and should be removed
ERC20._burn(address,uint256) (#838-846) is never used and should be removed
SafeMath.mod(uint256,uint256) (#146-148) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#162-165) is never used and should be removed
SafeMathInt.abs(int256) (#987-990) is never used and should be removed
SafeMathInt.add(int256,int256) (#978-982) is never used and should be removed
SafeMathInt.div(int256,int256) (#958-964) is never used and should be removed
SafeMathInt.mul(int256,int256) (#946-953) is never used and should be removed
SafeMathInt.sub(int256,int256) (#969-973) is never used and should be removed
SafeMathInt.toUint256Safe(int256) (#993-996) is never used and should be removed
SafeMathUint.toInt256Safe(uint256) (#901-905) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version>=0.6.2 (#2) 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 Elysium.swapAndSendRewardsAndFees(uint256) (#1306-1320):
- (success) = address(feeWallets[i]).call{value: feeAmount}() (#1314)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#299) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#300) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#317) is not in mixedCase
Function IUniswapV2Router01.WETH() (#355) is not in mixedCase
Parameter OwnerVault.swapBeneficiary(address)._beneficiary (#1013) is not in mixedCase
Parameter OwnerVault.sendTokenToBeneficiary(address)._token (#1018) is not in mixedCase
Parameter OwnerVault.sendTokenToBeneficiary(address,uint256)._token (#1026) is not in mixedCase
Parameter Elysium.updateFeeWallets(address[])._wallets (#1060) is not in mixedCase
Parameter Elysium.updateSwapTokensAtAmount(uint256)._v (#1101) is not in mixedCase
Parameter Elysium.setBlockSnipers(bool)._v (#1141) is not in mixedCase
Parameter Elysium.setBlacklisted(address,bool)._b (#1146) is not in mixedCase
Parameter Elysium.setBlacklisted(address,bool)._v (#1146) is not in mixedCase
Parameter Elysium.addAddressThatCanTradeBeforeTradinig(address)._address (#1157) is not in mixedCase
Parameter Elysium.removeAddressThatCanTradeBeforeTradinig(address)._address (#1160) is not in mixedCase
Parameter Elysium.updateLiquidityWallet(address)._n (#1323) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#20)" inContext (#14-23)
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 (#360) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#361)
Prevent variables from having similar names.

Additional information: link

SafeMathInt.MAX_INT256 (#941) is never used in SafeMathInt (#939-997)
Remove unused state variables.

Additional information: link

Elysium.antiSniperSeconds (#1130) should be constant
Elysium.supply (#1104) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

get(IterableMapping.Map,address) should be declared external:
- IterableMapping.get(IterableMapping.Map,address) (#178-180)
getIndexOfKey(IterableMapping.Map,address) should be declared external:
- IterableMapping.getIndexOfKey(IterableMapping.Map,address) (#182-187)
getKeyAtIndex(IterableMapping.Map,uint256) should be declared external:
- IterableMapping.getKeyAtIndex(IterableMapping.Map,uint256) (#189-191)
size(IterableMapping.Map) should be declared external:
- IterableMapping.size(IterableMapping.Map) (#195-197)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#266-269)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#275-279)
name() should be declared external:
- ERC20.name() (#645-647)
symbol() should be declared external:
- ERC20.symbol() (#653-655)
decimals() should be declared external:
- ERC20.decimals() (#670-672)
totalSupply() should be declared external:
- ERC20.totalSupply() (#677-679)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#696-699)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#704-706)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#715-718)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#733-741)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#755-758)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#774-777)
setupBanker(address,bool) should be declared external:
- OwnerVault.setupBanker(address,bool) (#1003-1006)
swapBeneficiary(address) should be declared external:
- OwnerVault.swapBeneficiary(address) (#1013-1016)
sendTokenToBeneficiary(address) should be declared external:
- OwnerVault.sendTokenToBeneficiary(address) (#1018-1024)
sendTokenToBeneficiary(address,uint256) should be declared external:
- OwnerVault.sendTokenToBeneficiary(address,uint256) (#1026-1031)
sendBnbFromThisTokenToBeneficiary() should be declared external:
- OwnerVault.sendBnbFromThisTokenToBeneficiary() (#1033-1038)
sendBnbFromThisTokenToBeneficiary(uint256) should be declared external:
- OwnerVault.sendBnbFromThisTokenToBeneficiary(uint256) (#1040-1045)
updateFeeWallets(address[]) should be declared external:
- Elysium.updateFeeWallets(address[]) (#1060-1063)
updateSwapTokensAtAmount(uint256) should be declared external:
- Elysium.updateSwapTokensAtAmount(uint256) (#1101-1103)
startAntiSniperTimer() should be declared external:
- Elysium.startAntiSniperTimer() (#1135-1137)
setBlockSnipers(bool) should be declared external:
- Elysium.setBlockSnipers(bool) (#1141-1143)
setBlacklisted(address,bool) should be declared external:
- Elysium.setBlacklisted(address,bool) (#1146-1148)
addAddressThatCanTradeBeforeTradinig(address) should be declared external:
- Elysium.addAddressThatCanTradeBeforeTradinig(address) (#1157-1159)
removeAddressThatCanTradeBeforeTradinig(address) should be declared external:
- Elysium.removeAddressThatCanTradeBeforeTradinig(address) (#1160-1162)
updateUniswapV2Router(address) should be declared external:
- Elysium.updateUniswapV2Router(address) (#1182-1192)
setAutomatedMarketMakerPair(address,bool) should be declared external:
- Elysium.setAutomatedMarketMakerPair(address,bool) (#1206-1209)
isExcludedFromFees(address) should be declared external:
- Elysium.isExcludedFromFees(address) (#1217-1219)
updateLiquidityWallet(address) should be declared external:
- Elysium.updateLiquidityWallet(address) (#1323-1325)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract has 8% buy tax and 15% 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 less than $100. Token is either dead or inactive.

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

Average 30d PancakeSwap liquidity is low.

Average 30d number of PancakeSwap swaps is low.

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

Token is deployed only at one blockchain

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Unable to find token on CoinGecko

Additional information: link

Unable to find token on CoinMarketCap

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Unable to find token contract audit

Unable to find audit link on the website

Token is not listed at Mobula.Finance

Additional information: link

Unable to find code repository for the project

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

Young tokens have high risks of price dump / death