MARVIN [Elon's Marvin] Token

Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

CoinToken.addLiquidity(uint256,uint256) (#836-846) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in CoinToken._transfer(address,address,uint256) (#775-810):
External calls:
- swapAndLiquify(contractTokenBalance) (#801)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#827-833)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#801)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#716)
- _rOwned[_devWalletAddress] = _rOwned[_devWalletAddress].add(rDev) (#724)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#880)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#870)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#892)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#871)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#622)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#893)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#882)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#624)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _rTotal = _rTotal.sub(rFee) (#669)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#718)
- _tOwned[_devWalletAddress] = _tOwned[_devWalletAddress].add(tDev) (#726)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#891)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#621)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#881)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#623)
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.

Contract ownership is not renounced (belongs to a wallet)

CoinToken.includeInReward(address) (#607-618) has costly operations inside a loop:
- _excluded.pop() (#614)
Use a local variable to hold the loop computation result.

Additional information: link

CoinToken.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address,address) (#476-511) performs a multiplication on the result of a division:
-_maxTxAmount = (_tTotal * 5 / 1000) * 10 ** _decimals (#489)
CoinToken.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address,address) (#476-511) performs a multiplication on the result of a division:
-numTokensSellToAddToLiquidity = (_tTotal * 5 / 10000) * 10 ** _decimals (#490)
Consider ordering multiplication before division.

Additional information: link

CoinToken.addLiquidity(uint256,uint256) (#836-846) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
Ensure that all the return values of the function calls are used.

Additional information: link

CoinToken.allowance(address,address).owner (#539) shadows:
- Ownable.owner() (#204-206) (function)
CoinToken._approve(address,address,uint256).owner (#767) shadows:
- Ownable.owner() (#204-206) (function)
Rename the local variables that shadow another component.

Additional information: link

CoinToken.setTaxFeePercent(uint256) (#639-641) should emit an event for:
- _taxFee = taxFee (#640)
CoinToken.setLiquidityFeePercent(uint256) (#647-649) should emit an event for:
- _liquidityFee = liquidityFee (#648)
CoinToken.setNumTokensSellToAddToLiquidity(uint256) (#907-909) should emit an event for:
- numTokensSellToAddToLiquidity = amountToUpdate (#908)
CoinToken.setMaxTxPercent(uint256) (#651-653) should emit an event for:
- _maxTxAmount = maxTxPercent * 10 ** _decimals (#652)
CoinToken.setDevFeePercent(uint256) (#643-645) should emit an event for:
- _devFee = devFee (#644)
Emit an event for critical parameter changes.

Additional information: link

CoinToken.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address,address).tokenOwner (#476) lacks a zero-check on :
- _owner = tokenOwner (#507)
CoinToken.setDevWalletAddress(address)._addr (#655) lacks a zero-check on :
- _devWalletAddress = _addr (#656)
CoinToken.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address,address).feeaddress (#476) lacks a zero-check on :
- _devWalletAddress = feeaddress (#491)
Check that the address is not zero.

Additional information: link

Reentrancy in CoinToken.transferFrom(address,address,uint256) (#548-552):
External calls:
- _transfer(sender,recipient,amount) (#549)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#827-833)
External calls sending eth:
- _transfer(sender,recipient,amount) (#549)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#550)
- _allowances[owner][spender] = amount (#771)
Reentrancy in CoinToken.swapAndLiquify(uint256) (#812-820):
External calls:
- swapTokensForEth(half) (#816)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#827-833)
- addLiquidity(otherHalf,newBalance) (#818)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#818)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#818)
- _allowances[owner][spender] = amount (#771)
Reentrancy in CoinToken.setRouterAddress(address) (#901-905):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#903)
State variables written after the call(s):
- uniswapV2Router = _uniswapV2Router (#904)
Reentrancy in CoinToken._transfer(address,address,uint256) (#775-810):
External calls:
- swapAndLiquify(contractTokenBalance) (#801)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#827-833)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#801)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _devFee = _previousDevFee (#759)
- _devFee = 0 (#753)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _liquidityFee = _previousLiquidityFee (#760)
- _liquidityFee = 0 (#754)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _previousDevFee = _devFee (#749)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _previousLiquidityFee = _liquidityFee (#750)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _previousTaxFee = _taxFee (#748)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _tFeeTotal = _tFeeTotal.add(tFee) (#670)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- _taxFee = _previousTaxFee (#758)
- _taxFee = 0 (#752)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in CoinToken.swapAndLiquify(uint256) (#812-820):
External calls:
- swapTokensForEth(half) (#816)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#827-833)
- addLiquidity(otherHalf,newBalance) (#818)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#818)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#772)
- addLiquidity(otherHalf,newBalance) (#818)
- SwapAndLiquify(half,newBalance,otherHalf) (#819)
Reentrancy in CoinToken.transferFrom(address,address,uint256) (#548-552):
External calls:
- _transfer(sender,recipient,amount) (#549)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#827-833)
External calls sending eth:
- _transfer(sender,recipient,amount) (#549)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#772)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#550)
Reentrancy in CoinToken._transfer(address,address,uint256) (#775-810):
External calls:
- swapAndLiquify(contractTokenBalance) (#801)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#827-833)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#801)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#838-845)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#875)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- Transfer(sender,recipient,tTransferAmount) (#886)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- Transfer(sender,recipient,tTransferAmount) (#897)
- _tokenTransfer(from,to,amount,takeFee) (#809)
- Transfer(sender,recipient,tTransferAmount) (#628)
- _tokenTransfer(from,to,amount,takeFee) (#809)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (#235-240) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked.) (#237)
Avoid relying on block.timestamp.

Additional information: link

Address._verifyCallResult(bool,bytes,string) (#179-192) uses assembly
- INLINE ASM (#184-187)
Address.isContract(address) (#127-131) uses assembly
- INLINE ASM (#129)
Do not use evm assembly.

Additional information: link

SafeMath.tryDiv(uint256,uint256) (#51-56) is never used and should be removed
Address.sendValue(address,uint256) (#133-137) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#147-149) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#58-63) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (#173-177) is never used and should be removed
Address.functionDelegateCall(address,bytes) (#169-171) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#24-30) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#102-107) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#151-156) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#95-100) is never used and should be removed
Context._msgData() (#118-121) is never used and should be removed
Address.functionStaticCall(address,bytes) (#158-160) is never used and should be removed
SafeMath.mod(uint256,uint256) (#84-86) is never used and should be removed
Address._verifyCallResult(bool,bytes,string) (#179-192) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#39-49) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#32-37) is never used and should be removed
Address.isContract(address) (#127-131) is never used and should be removed
Address.functionCall(address,bytes,string) (#143-145) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#162-166) is never used and should be removed
Address.functionCall(address,bytes) (#139-141) is never used and should be removed
Remove unused functions.

Additional information: link

Low level call in Address.sendValue(address,uint256) (#133-137):
- (success) = recipient.call{value: amount}() (#135)
Low level call in Address.functionStaticCall(address,bytes,string) (#162-166):
- (success,returndata) = target.staticcall(data) (#164)
Low level call in Address.functionDelegateCall(address,bytes,string) (#173-177):
- (success,returndata) = target.delegatecall(data) (#175)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#151-156):
- (success,returndata) = target.call{value: value}(data) (#154)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable Ownable._lockTime (#200) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#268) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#282) is not in mixedCase
Parameter CoinToken.setDevWalletAddress(address)._addr (#655) is not in mixedCase
Variable CoinToken._liquidityFee (#454) is not in mixedCase
Parameter CoinToken.calculateDevFee(uint256)._amount (#735) is not in mixedCase
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#267) is not in mixedCase
Parameter CoinToken.setSwapAndLiquifyEnabled(bool)._enabled (#660) is not in mixedCase
Variable CoinToken._maxTxAmount (#460) is not in mixedCase
Parameter CoinToken.calculateLiquidityFee(uint256)._amount (#741) is not in mixedCase
Variable Ownable._owner (#198) is not in mixedCase
Variable CoinToken._taxFee (#450) is not in mixedCase
Function IUniswapV2Router01.WETH() (#300) is not in mixedCase
Variable CoinToken._devWalletAddress (#442) is not in mixedCase
Parameter CoinToken.calculateTaxFee(uint256)._amount (#729) is not in mixedCase
Variable CoinToken._devFee (#452) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#119)" inContext (#113-122)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#869) is too similar to CoinToken._getValues(uint256).tTransferAmount (#674)
Variable CoinToken._getValues(uint256).rTransferAmount (#675) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable CoinToken._getValues(uint256).rTransferAmount (#675) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#620)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#879) is too similar to CoinToken._getValues(uint256).tTransferAmount (#674)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#587) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#879)
Variable CoinToken._getValues(uint256).rTransferAmount (#675) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#879)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#587) is too similar to CoinToken._getTValues(uint256).tTransferAmount (#683)
Variable CoinToken._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#692) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#890)
Variable CoinToken._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#692) is too similar to CoinToken._getTValues(uint256).tTransferAmount (#683)
Variable CoinToken._getValues(uint256).rTransferAmount (#675) is too similar to CoinToken._getTValues(uint256).tTransferAmount (#683)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#869) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#890)
Variable CoinToken._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#692) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#620)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#869) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable CoinToken._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#692) is too similar to CoinToken._getValues(uint256).tTransferAmount (#674)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#587) is too similar to CoinToken._getValues(uint256).tTransferAmount (#674)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#890) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#620)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#620) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#620)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#879) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#869) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#879)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#879) is too similar to CoinToken._getTValues(uint256).tTransferAmount (#683)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#869) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#620)
Variable CoinToken._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#692) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#879)
Variable CoinToken._getValues(uint256).rTransferAmount (#675) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#890)
Variable CoinToken._getValues(uint256).rTransferAmount (#675) is too similar to CoinToken._getValues(uint256).tTransferAmount (#674)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#587) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#890)
Variable CoinToken._transferStandard(address,address,uint256).rTransferAmount (#869) is too similar to CoinToken._getTValues(uint256).tTransferAmount (#683)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#879) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#620)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#620) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#890)
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#304) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#305)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#587) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#890) is too similar to CoinToken._getTValues(uint256).tTransferAmount (#683)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#620) is too similar to CoinToken._getTValues(uint256).tTransferAmount (#683)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#890) is too similar to CoinToken._getValues(uint256).tTransferAmount (#674)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#890) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#890)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#620) is too similar to CoinToken._getValues(uint256).tTransferAmount (#674)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#620) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#879)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#879) is too similar to CoinToken._transferFromExcluded(address,address,uint256).tTransferAmount (#890)
Variable CoinToken._transferToExcluded(address,address,uint256).rTransferAmount (#879) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#879)
Variable CoinToken._transferBothExcluded(address,address,uint256).rTransferAmount (#620) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable CoinToken.reflectionFromToken(uint256,bool).rTransferAmount (#587) is too similar to CoinToken._transferBothExcluded(address,address,uint256).tTransferAmount (#620)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#890) is too similar to CoinToken._transferToExcluded(address,address,uint256).tTransferAmount (#879)
Variable CoinToken._transferFromExcluded(address,address,uint256).rTransferAmount (#890) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable CoinToken._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#692) is too similar to CoinToken._transferStandard(address,address,uint256).tTransferAmount (#869)
Prevent variables from having similar names.

Additional information: link

totalFees() should be declared external:
- CoinToken.totalFees() (#568-570)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#213-216)
totalSupply() should be declared external:
- CoinToken.totalSupply() (#525-527)
setSwapAndLiquifyEnabled(bool) should be declared external:
- CoinToken.setSwapAndLiquifyEnabled(bool) (#660-663)
includeInFee(address) should be declared external:
- CoinToken.includeInFee(address) (#635-637)
isExcludedFromReward(address) should be declared external:
- CoinToken.isExcludedFromReward(address) (#564-566)
approve(address,uint256) should be declared external:
- CoinToken.approve(address,uint256) (#543-546)
reflectionFromToken(uint256,bool) should be declared external:
- CoinToken.reflectionFromToken(uint256,bool) (#581-590)
excludeFromReward(address) should be declared external:
- CoinToken.excludeFromReward(address) (#598-605)
deliver(uint256) should be declared external:
- CoinToken.deliver(uint256) (#572-579)
decreaseAllowance(address,uint256) should be declared external:
- CoinToken.decreaseAllowance(address,uint256) (#559-562)
excludeFromFee(address) should be declared external:
- CoinToken.excludeFromFee(address) (#631-633)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#219-223)
isExcludedFromFee(address) should be declared external:
- CoinToken.isExcludedFromFee(address) (#763-765)
transfer(address,uint256) should be declared external:
- CoinToken.transfer(address,uint256) (#534-537)
transferFrom(address,address,uint256) should be declared external:
- CoinToken.transferFrom(address,address,uint256) (#548-552)
decimals() should be declared external:
- CoinToken.decimals() (#521-523)
symbol() should be declared external:
- CoinToken.symbol() (#517-519)
unlock() should be declared external:
- Ownable.unlock() (#235-240)
increaseAllowance(address,uint256) should be declared external:
- CoinToken.increaseAllowance(address,uint256) (#554-557)
name() should be declared external:
- CoinToken.name() (#513-515)
allowance(address,address) should be declared external:
- CoinToken.allowance(address,address) (#539-541)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#227-232)
setMaxTxPercent(uint256) should be declared external:
- CoinToken.setMaxTxPercent(uint256) (#651-653)
setDevWalletAddress(address) should be declared external:
- CoinToken.setDevWalletAddress(address) (#655-657)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract name (Elon's Marvin) 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.

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.

Unable to find PancakeSwap trading pair to compute liquidity.

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

Unable to find token contract audit

Token is not listed at Mobula.Finance

Additional information: link

Unable to find audit link on the website

Unable to find token on CoinHunt

Additional information: link

Unable to find code repository for the project

Token has a considerable age, but average PancakeSwap 30d trading volume is low

Token has relatively low CoinGecko rank

Token has relatively low CoinMarketCap rank