MINIMETA [Mini Metaverse] Token

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

Reentrancy in MINIMETA._transfer(address,address,uint256) (#487-513):
External calls:
- handle_fees() (#503)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#550-557)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#541)
External calls sending eth:
- handle_fees() (#503)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#550-557)
State variables written after the call(s):
- super._transfer(sender,recipient,amount - fee) (#506)
- _balances[sender] = senderBalance - amount (#294)
- _balances[recipient] += amount (#295)
- super._transfer(sender,address(this),fee) (#510)
- _balances[sender] = senderBalance - amount (#294)
- _balances[recipient] += amount (#295)
Apply the check-effects-interactions pattern.

Additional information: link

MINIMETA.addLiquidity(uint256,uint256) (#545-558) ignores return value by router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#550-557)
Ensure that all the return values of the function calls are used.

Additional information: link

MINIMETA.changeFees(uint16,uint16) (#572-575) should emit an event for:
- feeliq_buy = _feeliq_buy (#573)
- feeliq_sell = _feeliq_sell (#574)
Emit an event for critical parameter changes.

Additional information: link

Modifier MINIMETA.mutexLock() (#463-469) does not always execute _; or revert
All the paths in a modifier must execute _ or revert.

Additional information: link

Reentrancy in MINIMETA.handle_fees() (#515-529):
External calls:
- swapTokensForBNB(exchange) (#524)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#541)
- addLiquidity(exchangeOtherHalf,bnbBalance) (#527)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#550-557)
External calls sending eth:
- addLiquidity(exchangeOtherHalf,bnbBalance) (#527)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#550-557)
State variables written after the call(s):
- addLiquidity(exchangeOtherHalf,bnbBalance) (#527)
- _allowances[owner][spender] = amount (#360)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in MINIMETA.handle_fees() (#515-529):
External calls:
- swapTokensForBNB(exchange) (#524)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#541)
- addLiquidity(exchangeOtherHalf,bnbBalance) (#527)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#550-557)
External calls sending eth:
- addLiquidity(exchangeOtherHalf,bnbBalance) (#527)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(0),block.timestamp) (#550-557)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#361)
- addLiquidity(exchangeOtherHalf,bnbBalance) (#527)
Apply the check-effects-interactions pattern.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#71-88) uses assembly
- INLINE ASM (#80-83)
Do not use evm assembly.

Additional information: link

ERC20._burn(address,uint256) (#330-341) is never used and should be removed
Remove unused functions.

Additional information: link

solc-0.8.4 is not recommended for deployment
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 Address._functionCallWithValue(address,bytes,uint256,string) (#71-88):
- (success,returndata) = target.call{value: weiValue}(data) (#74)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable MINIMETA.feeliq_sell (#453) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#11)" inContext (#5-14)
Remove redundant statements if they congest code but offer no value.

Additional information: link

transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#407-411)
Use the external attribute for functions never called from the contract.

Additional information: link

Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.

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.

Unable to find website, listings and other project-related information

Young tokens have high risks of price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank