STP [Stepup] Token

Stepup.withdrwal(address,uint256) (#249-256) ignores return value by token.transfer(owner(),value) (#254)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

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Contract creator or owner is blacklisted for past scams

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

Contract ownership is not renounced (belongs to a wallet)

Stepup.allowance(address,address).owner (#323) shadows:
- Ownable.owner() (#149-151) (function)
Stepup._approve(address,address,uint256).owner (#481) shadows:
- Ownable.owner() (#149-151) (function)
Rename the local variables that shadow another component.

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Context._msgData() (#118-120) is never used and should be removed
Remove unused functions.

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Pragma version^0.8.9 (#2) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.9 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.

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Stepup.excludeList (#222) is never used in Stepup (#212-532)
Remove unused state variables.

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Parameter Stepup.withdrwal(address,uint256)._token (#249) is not in mixedCase
Parameter Stepup.exhibit(address,bool)._Address (#258) is not in mixedCase
Variable Stepup.is_exhibit (#224) is not in mixedCase
Follow the Solidity naming convention.

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Stepup.constructor() (#235-241) uses literals with too many digits:
- _totalSupply = 6000000000 * (10 ** 18) (#236)
Use: Ether suffix, Time suffix, or The scientific notation

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Stepup.taxStatus (#223) should be constant
Stepup.uniswapV2Pair (#225) should be constant
Add the constant attributes to state variables that never change.

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renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#168-170)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#176-179)
withdrwal(address,uint256) should be declared external:
- Stepup.withdrwal(address,uint256) (#249-256)
name() should be declared external:
- Stepup.name() (#264-266)
symbol() should be declared external:
- Stepup.symbol() (#272-274)
decimals() should be declared external:
- Stepup.decimals() (#289-291)
totalSupply() should be declared external:
- Stepup.totalSupply() (#296-298)
balanceOf(address) should be declared external:
- Stepup.balanceOf(address) (#303-305)
transfer(address,uint256) should be declared external:
- Stepup.transfer(address,uint256) (#315-318)
allowance(address,address) should be declared external:
- Stepup.allowance(address,address) (#323-325)
approve(address,uint256) should be declared external:
- Stepup.approve(address,uint256) (#334-337)
transferFrom(address,address,uint256) should be declared external:
- Stepup.transferFrom(address,address,uint256) (#352-367)
increaseAllowance(address,uint256) should be declared external:
- Stepup.increaseAllowance(address,uint256) (#381-384)
decreaseAllowance(address,uint256) should be declared external:
- Stepup.decreaseAllowance(address,uint256) (#400-408)
Use the external attribute for functions never called from the contract.

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Token is deployed only at one blockchain

Token has only one trading pair

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

BscScan page for the token does not contain additional info: website, socials, description, etc.

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Unable to find token on CoinGecko

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Unable to find token on CoinMarketCap

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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

Unable to find Telegram link on the website

Token is not listed at Mobula.Finance

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Unable to find token on CoinHunt

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Unable to find code repository for the project

Token is marked as scam (rug pull, honeypot, phishing, etc.)

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Young tokens have high risks of scam / price dump / death

Young tokens have high risks of scam / 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