MDEX [MetaDex] Token

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

VaultOwned.setVault(address) (#1084-1088) should emit an event for:
- _vault = vault_ (#1085)
Emit an event for critical parameter changes.

Additional information: link

VaultOwned.setVault(address).vault_ (#1084) lacks a zero-check on :
- _vault = vault_ (#1085)
Check that the address is not zero.

Additional information: link

ERC20Permit.permit(address,address,uint256,uint256,uint8,bytes32,bytes32) (#993-1027) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp <= deadline,Permit: expired deadline) (#1002)
Avoid relying on block.timestamp.

Additional information: link

ERC20Permit.constructor() (#974-991) uses assembly
- INLINE ASM (#976-978)
Do not use evm assembly.

Additional information: link

Counters.decrement(Counters.Counter) (#944-946) is never used and should be removed
EnumerableSet._add(EnumerableSet.Set,bytes32) (#27-37) is never used and should be removed
EnumerableSet._at(EnumerableSet.Set,uint256) (#108-111) is never used and should be removed
EnumerableSet._contains(EnumerableSet.Set,bytes32) (#83-89) is never used and should be removed
EnumerableSet._getValues(EnumerableSet.Set) (#113-119) is never used and should be removed
EnumerableSet._insert(EnumerableSet.Set,uint256,bytes32) (#126-139) is never used and should be removed
EnumerableSet._length(EnumerableSet.Set) (#94-96) is never used and should be removed
EnumerableSet._remove(EnumerableSet.Set,bytes32) (#45-78) is never used and should be removed
EnumerableSet.add(EnumerableSet.AddressSet,address) (#325-327) is never used and should be removed
EnumerableSet.add(EnumerableSet.Bytes32Set,bytes32) (#235-237) is never used and should be removed
EnumerableSet.add(EnumerableSet.Bytes4Set,bytes4) (#151-153) is never used and should be removed
EnumerableSet.add(EnumerableSet.UInt256Set,uint256) (#480-482) is never used and should be removed
EnumerableSet.add(EnumerableSet.UintSet,uint256) (#420-422) is never used and should be removed
EnumerableSet.at(EnumerableSet.AddressSet,uint256) (#370-376) is never used and should be removed
EnumerableSet.at(EnumerableSet.Bytes32Set,uint256) (#280-286) is never used and should be removed
EnumerableSet.at(EnumerableSet.Bytes4Set,uint256) (#193-199) is never used and should be removed
EnumerableSet.at(EnumerableSet.UInt256Set,uint256) (#525-531) is never used and should be removed
EnumerableSet.at(EnumerableSet.UintSet,uint256) (#462-468) is never used and should be removed
EnumerableSet.contains(EnumerableSet.AddressSet,address) (#345-351) is never used and should be removed
EnumerableSet.contains(EnumerableSet.Bytes32Set,bytes32) (#255-261) is never used and should be removed
EnumerableSet.contains(EnumerableSet.Bytes4Set,bytes4) (#168-174) is never used and should be removed
EnumerableSet.contains(EnumerableSet.UInt256Set,uint256) (#500-506) is never used and should be removed
EnumerableSet.contains(EnumerableSet.UintSet,uint256) (#437-443) is never used and should be removed
EnumerableSet.getValues(EnumerableSet.AddressSet) (#382-398) is never used and should be removed
EnumerableSet.getValues(EnumerableSet.Bytes32Set) (#288-304) is never used and should be removed
EnumerableSet.getValues(EnumerableSet.Bytes4Set) (#201-215) is never used and should be removed
EnumerableSet.insert(EnumerableSet.AddressSet,uint256,address) (#400-406) is never used and should be removed
EnumerableSet.insert(EnumerableSet.Bytes32Set,uint256,bytes32) (#306-312) is never used and should be removed
EnumerableSet.insert(EnumerableSet.Bytes4Set,uint256,bytes4) (#217-223) is never used and should be removed
EnumerableSet.length(EnumerableSet.AddressSet) (#356-358) is never used and should be removed
EnumerableSet.length(EnumerableSet.Bytes32Set) (#266-268) is never used and should be removed
EnumerableSet.length(EnumerableSet.Bytes4Set) (#179-181) is never used and should be removed
EnumerableSet.length(EnumerableSet.UInt256Set) (#511-513) is never used and should be removed
EnumerableSet.length(EnumerableSet.UintSet) (#448-450) is never used and should be removed
EnumerableSet.remove(EnumerableSet.AddressSet,address) (#335-340) is never used and should be removed
EnumerableSet.remove(EnumerableSet.Bytes32Set,bytes32) (#245-250) is never used and should be removed
EnumerableSet.remove(EnumerableSet.Bytes4Set,bytes4) (#161-163) is never used and should be removed
EnumerableSet.remove(EnumerableSet.UInt256Set,uint256) (#490-495) is never used and should be removed
EnumerableSet.remove(EnumerableSet.UintSet,uint256) (#430-432) is never used and should be removed
SafeMath.average(uint256,uint256) (#712-715) is never used and should be removed
SafeMath.bondingCurve(uint256,uint256) (#725-731) is never used and should be removed
SafeMath.div(uint256,uint256) (#646-648) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#650-660) is never used and should be removed
SafeMath.mod(uint256,uint256) (#662-664) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#666-673) is never used and should be removed
SafeMath.mul(uint256,uint256) (#635-644) is never used and should be removed
SafeMath.percentageAmount(uint256,uint8) (#688-694) is never used and should be removed
SafeMath.percentageOfTotal(uint256,uint256) (#704-710) is never used and should be removed
SafeMath.quadraticPricing(uint256,uint256) (#717-723) is never used and should be removed
SafeMath.sqrrt(uint256) (#675-686) is never used and should be removed
SafeMath.substractPercentage(uint256,uint8) (#696-702) is never used and should be removed
Remove unused functions.

Additional information: link

Variable ERC20._balances (#742) is not in mixedCase
Variable ERC20._allowances (#745) is not in mixedCase
Variable ERC20._totalSupply (#748) is not in mixedCase
Variable ERC20._name (#751) is not in mixedCase
Variable ERC20._symbol (#754) is not in mixedCase
Variable ERC20._decimals (#757) is not in mixedCase
Variable ERC20Permit.DOMAIN_SEPARATOR (#972) is not in mixedCase
Variable Ownable._owner (#1043) is not in mixedCase
Variable VaultOwned._vault (#1082) is not in mixedCase
Function MetadexERC20Token._burnFrom(address,uint256) (#1117-1125) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

ERC20.ERC20TOKEN_ERC1820_INTERFACE_ID (#738-739) is never used in MetadexERC20Token (#1100-1127)
Remove unused state variables.

Additional information: link

symbol() should be declared external:
- ERC20.symbol() (#773-775)
decimals() should be declared external:
- ERC20.decimals() (#777-779)
totalSupply() should be declared external:
- ERC20.totalSupply() (#781-783)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#785-793)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#795-803)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#815-823)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#825-840)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#842-853)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#855-869)
permit(address,address,uint256,uint256,uint8,bytes32,bytes32) should be declared external:
- ERC20Permit.permit(address,address,uint256,uint256,uint8,bytes32,bytes32) (#993-1027)
nonces(address) should be declared external:
- ERC20Permit.nonces(address) (#1029-1031)
owner() should be declared external:
- Ownable.owner() (#1055-1057)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#1064-1067)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#1069-1078)
vault() should be declared external:
- VaultOwned.vault() (#1090-1092)
burn(uint256) should be declared external:
- MetadexERC20Token.burn(uint256) (#1109-1111)
burnFrom(address,uint256) should be declared external:
- MetadexERC20Token.burnFrom(address,uint256) (#1113-1115)
Use the external attribute for functions never called from the contract.

Additional information: link

EnumerableSet.getValues(EnumerableSet.AddressSet).addressArray (#387) 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

Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.

Average 30d PancakeSwap volume is less than $100. Token is either dead or inactive.

Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.

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

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

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

Token was delisted (assigned to inactive / untracked listing) from CoinMarketCap

Additional information: link

Unable to find token contract audit

Unable to verify token contract address on the website

Unable to find audit link on the website

Unable to find token on CoinHunt

Additional information: link

Young tokens have high risks of price dump / death

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