NNC [NeonChain] Token

NeonChain.airdrop(address) (#436-446) sends eth to arbitrary user
Dangerous calls:
- address(uint160(_refer)).transfer(referEth) (#443)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

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

Contract ownership is not renounced (belongs to a wallet)

NeonChain.slitherConstructorVariables() (#145-464) uses literals with too many digits:
- _airdropEth = 2000000000000000 (#159)
NeonChain.slitherConstructorVariables() (#145-464) uses literals with too many digits:
- _airdropToken = 5000000000000000000000 (#160)
NeonChain.slitherConstructorVariables() (#145-464) uses literals with too many digits:
- salePrice = 5000000 (#166)
NeonChain.slitherConstructorVariables() (#145-464) uses literals with too many digits:
- _totalSupply = 500000000000000000000000000000 (#148)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

NeonChain._totalSupply (#148) should be constant
NeonChain._decimals (#151) should be constant
NeonChain._symbol (#150) should be constant
NeonChain._name (#149) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

SafeMath.sub(uint256,uint256) (#43-46) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#115-118) is never used and should be removed
Remove unused functions.

Additional information: link

NeonChain.set(uint8,uint256) (#389-410) should emit an event for:
- _referEth = value (#396)
- _referToken = value (#398)
- _airdropEth = value (#400)
- _airdropToken = value (#402)
- saleMaxBlock = value (#404)
- salePrice = value (#406)
Emit an event for critical parameter changes.

Additional information: link

Pragma version0.6.8 (#2) allows old versions
solc-0.6.8 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

Parameter NeonChain.buy(address)._refer (#448) is not in mixedCase
Parameter NeonChain.airdrop(address)._refer (#436) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

transferOwnership(address) should be declared external:
- NeonChain.transferOwnership(address) (#283-286)
set(uint8,uint256) should be declared external:
- NeonChain.set(uint8,uint256) (#389-410)
totalSupply() should be declared external:
- NeonChain.totalSupply() (#255-257)
approve(address,uint256) should be declared external:
- NeonChain.approve(address,uint256) (#355-358)
authNum(uint256) should be declared external:
- NeonChain.authNum(uint256) (#273-277)
clearETH() should be declared external:
- NeonChain.clearETH() (#360-364)
transferFrom(address,address,uint256) should be declared external:
- NeonChain.transferFrom(address,address,uint256) (#342-346)
allowance(address,address) should be declared external:
- NeonChain.allowance(address,address) (#269-271)
cap() should be declared external:
- NeonChain.cap() (#248-250)
name() should be declared external:
- NeonChain.name() (#206-208)
symbol() should be declared external:
- NeonChain.symbol() (#221-223)
decimals() should be declared external:
- NeonChain.decimals() (#241-243)
balanceOf(address) should be declared external:
- NeonChain.balanceOf(address) (#262-264)
airdrop(address) should be declared external:
- NeonChain.airdrop(address) (#436-446)
setAuth(address,address) should be declared external:
- NeonChain.setAuth(address,address) (#288-293)
transfer(address,uint256) should be declared external:
- NeonChain.transfer(address,uint256) (#420-423)
buy(address) should be declared external:
- NeonChain.buy(address) (#448-462)
getBlock() should be declared external:
- NeonChain.getBlock() (#425-434)
Use the external attribute for functions never called from the contract.

Additional information: link

Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.

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

Additional information: link

Unable to find token/project description on the website or on BscScan, CoinMarketCap

Unable to find token contract audit

Unable to find audit link on the website

Unable to find whitepaper 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

Token has a considerable age, but social accounts / website are missing or have few users

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

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