PLAYZAP Token

ERC20._root (#256) shadows:
- Ownable._root (#111)
Remove the state variable shadowing.

Additional information: link

ERC20.withdrawToken(IERC20,uint256) (#296-299) ignores return value by t.transfer(msg.sender,amount) (#297)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

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

Token.constructor(string,string,uint8,address,address).name (#537) shadows:
- Token.name() (#546-548) (function)
Token.constructor(string,string,uint8,address,address).symbol (#537) shadows:
- Token.symbol() (#554-556) (function)
Token.constructor(string,string,uint8,address,address).decimals (#537) shadows:
- Token.decimals() (#569-571) (function)
Rename the local variables that shadow another component.

Additional information: link

Ownable.transferOwnership(address) (#136-139) should emit an event for:
- _owner = newOwner (#138)
Emit an event for critical parameter changes.

Additional information: link

ERC20.setSwap(address).user (#260) lacks a zero-check on :
- _swap = user (#261)
Token.constructor(string,string,uint8,address,address).root (#537) lacks a zero-check on :
- _root = root (#542)
Check that the address is not zero.

Additional information: link

ERC20._burnFrom(address,uint256) (#519-522) is never used and should be removed
SafeMath.div(uint256,uint256) (#83-90) is never used and should be removed
SafeMath.mod(uint256,uint256) (#103-106) is never used and should be removed
SafeMath.mul(uint256,uint256) (#58-70) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.5.0 (#1) 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.

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Variable Ownable._owner (#110) is not in mixedCase
Variable Ownable._root (#111) is not in mixedCase
Variable ERC20._root (#256) is not in mixedCase
Variable ERC20._ROOTList (#246) is not in mixedCase
Variable ERC20._swap (#254) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Token.constructor(string,string,uint8,address,address) (#537-544) uses literals with too many digits:
- _mint(tokenOwner,1000000000 * (10 ** uint256(decimals))) (#543)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Ownable._root (#111) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#128-130)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#136-139)
setSwap(address) should be declared external:
- ERC20.setSwap(address) (#260-264)
addROOTList(address) should be declared external:
- ERC20.addROOTList(address) (#266-269)
removeROOTList(address) should be declared external:
- ERC20.removeROOTList(address) (#271-274)
sysAsale(address) should be declared external:
- ERC20.sysAsale(address) (#276-279)
sysDsale(address) should be declared external:
- ERC20.sysDsale(address) (#281-284)
exchange() should be declared external:
- ERC20.exchange() (#286-289)
exchangeStop() should be declared external:
- ERC20.exchangeStop() (#291-294)
withdrawToken(IERC20,uint256) should be declared external:
- ERC20.withdrawToken(IERC20,uint256) (#296-299)
isInROOTList(address) should be declared external:
- ERC20.isInROOTList(address) (#301-303)
totalSupply() should be declared external:
- ERC20.totalSupply() (#308-310)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#315-317)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#327-330)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#335-337)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#346-349)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#363-367)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#381-384)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#400-403)
burn(uint256) should be declared external:
- ERC20.burn(uint256) (#487-490)
name() should be declared external:
- Token.name() (#546-548)
symbol() should be declared external:
- Token.symbol() (#554-556)
decimals() should be declared external:
- Token.decimals() (#569-571)
Use the external attribute for functions never called from the contract.

Additional information: link

Average 30d PancakeSwap liquidity is low.

Average 30d number of PancakeSwap swaps is low.

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

Token is deployed only at one blockchain

Token has only one trading pair

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

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

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank