O2 [O2DEX] Token

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

Pragma version^0.8.0 (#3) 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

O2DEXToken.setInviteMinVol(uint256) (#352-355) should emit an event for:
- _inviteMinVol = amount (#353)
Emit an event for critical parameter changes.

Additional information: link

Variable ERC20._totalSupply (#112) is too similar to O2DEXToken.constructor(string,string,uint256).totalSupply_ (#307)
Prevent variables from having similar names.

Additional information: link

Context._msgData() (#102-104) is never used and should be removed
ERC20._mint(address,uint256) (#211-221) is never used and should be removed
ERC20._beforeTokenTransfer(address,address,uint256) (#253-257) is never used and should be removed
Remove unused functions.

Additional information: link

Contract tokenRecipient (#294-296) is not in CapWords
Variable ERC20._totalSupply (#112) is not in mixedCase
Variable ERC20._symbol (#115) is not in mixedCase
Variable O2DEXToken._inviter (#305) is not in mixedCase
Parameter O2DEXToken.approveAndCall(address,uint256,bytes)._value (#344) is not in mixedCase
Variable ERC20._allowances (#110) is not in mixedCase
Variable ERC20._name (#114) is not in mixedCase
Variable O2DEXToken._blackList (#302) is not in mixedCase
Variable O2DEXToken._inviteMinVol (#300) is not in mixedCase
Variable Ownable._owner (#282) is not in mixedCase
Variable ERC20._balances (#108) is not in mixedCase
Parameter O2DEXToken.approveAndCall(address,uint256,bytes)._extraData (#344) is not in mixedCase
Variable O2DEXToken._freeAirdrop (#303) is not in mixedCase
Parameter O2DEXToken.approveAndCall(address,uint256,bytes)._spender (#344) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

setBlackList(address,bool) should be declared external:
- O2DEXToken.setBlackList(address,bool) (#357-360)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#156-170)
burnFrom(address,uint256) should be declared external:
- ERC20Burnable.burnFrom(address,uint256) (#271-278)
inBlackList(address) should be declared external:
- O2DEXToken.inBlackList(address) (#318-320)
setFreeAirdrop(address,bool) should be declared external:
- O2DEXToken.setFreeAirdrop(address,bool) (#362-365)
approveAndCall(address,uint256,bytes) should be declared external:
- O2DEXToken.approveAndCall(address,uint256,bytes) (#344-350)
decimals() should be declared external:
- ERC20.decimals() (#130-132)
setInviteMinVol(uint256) should be declared external:
- O2DEXToken.setInviteMinVol(uint256) (#352-355)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#179-187)
symbol() should be declared external:
- ERC20.symbol() (#126-128)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#138-140)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#142-145)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#173-176)
name() should be declared external:
- ERC20.name() (#122-124)
totalSupply() should be declared external:
- ERC20.totalSupply() (#134-136)
isFreeAirdrop(address) should be declared external:
- O2DEXToken.isFreeAirdrop(address) (#322-324)
inviteMinVol() should be declared external:
- O2DEXToken.inviteMinVol() (#314-316)
inviterOf(address) should be declared external:
- O2DEXToken.inviterOf(address) (#326-328)
burn(uint256) should be declared external:
- ERC20Burnable.burn(uint256) (#267-269)
Use the external attribute for functions never called from the contract.

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.

Token is deployed only at one blockchain

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

Token has a considerable age, but we're still unable to find its website

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank

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