VGD [Vangold] Token

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

Ownable._lockTime (contracts/libs/Ownable.sol#22) is never initialized. It is used in:
- Ownable.geUnlockTime() (contracts/libs/Ownable.sol#72-74)
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

Contract ownership is not renounced (belongs to a wallet)

Vangold.allowance(address,address).owner (contracts/Vangold.sol#125) shadows:
- Ownable.owner() (contracts/libs/Ownable.sol#38-40) (function)
Vangold._approve(address,address,uint256).owner (contracts/Vangold.sol#286) shadows:
- Ownable.owner() (contracts/libs/Ownable.sol#38-40) (function)
Rename the local variables that shadow another component.

Additional information: link

Different versions of Solidity is used:
- Version used: ['>=0.4.0', '>=0.6.4', '^0.6.0']
- ^0.6.0 (@openzeppelin/contracts/GSN/Context.sol#3)
- ^0.6.0 (@openzeppelin/contracts/math/SafeMath.sol#3)
- >=0.4.0 (contracts/Vangold.sol#3)
- >=0.6.4 (contracts/libs/IBEP20.sol#1)
- >=0.4.0 (contracts/libs/Ownable.sol#3)
Use one Solidity version.

Additional information: link

Context._msgData() (@openzeppelin/contracts/GSN/Context.sol#20-23) is never used and should be removed
SafeMath.div(uint256,uint256) (@openzeppelin/contracts/math/SafeMath.sol#103-105) is never used and should be removed
SafeMath.div(uint256,uint256,string) (@openzeppelin/contracts/math/SafeMath.sol#119-125) is never used and should be removed
SafeMath.mod(uint256,uint256) (@openzeppelin/contracts/math/SafeMath.sol#139-141) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (@openzeppelin/contracts/math/SafeMath.sol#155-158) is never used and should be removed
SafeMath.mul(uint256,uint256) (@openzeppelin/contracts/math/SafeMath.sol#77-89) is never used and should be removed
SafeMath.sub(uint256,uint256) (@openzeppelin/contracts/math/SafeMath.sol#46-48) is never used and should be removed
Vangold._burn(address,uint256) (contracts/Vangold.sol#265-271) is never used and should be removed
Vangold._burnFrom(address,uint256) (contracts/Vangold.sol#300-303) is never used and should be removed
Vangold._mint(address,uint256) (contracts/Vangold.sol#246-252) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.6.0 (@openzeppelin/contracts/GSN/Context.sol#3) allows old versions
Pragma version^0.6.0 (@openzeppelin/contracts/math/SafeMath.sol#3) allows old versions
Pragma version>=0.4.0 (contracts/Vangold.sol#3) allows old versions
Pragma version>=0.6.4 (contracts/libs/IBEP20.sol#1) allows old versions
Pragma version>=0.4.0 (contracts/libs/Ownable.sol#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

Redundant expression "this (@openzeppelin/contracts/GSN/Context.sol#21)" inContext (@openzeppelin/contracts/GSN/Context.sol#15-24)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Vangold.constructor() (contracts/Vangold.sol#56-64) uses literals with too many digits:
- _totalSupply = 1000000000 * 10 ** 9 * 10 ** 9 (contracts/Vangold.sol#60)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Ownable._previousOwner (contracts/libs/Ownable.sol#21) is never used in Vangold (contracts/Vangold.sol#34-304)
Remove unused state variables.

Additional information: link

Ownable._lockTime (contracts/libs/Ownable.sol#22) should be constant
Ownable._previousOwner (contracts/libs/Ownable.sol#21) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

name() should be declared external:
- Vangold.name() (contracts/Vangold.sol#76-78)
symbol() should be declared external:
- Vangold.symbol() (contracts/Vangold.sol#84-86)
decimals() should be declared external:
- Vangold.decimals() (contracts/Vangold.sol#91-93)
totalSupply() should be declared external:
- Vangold.totalSupply() (contracts/Vangold.sol#98-100)
balanceOf(address) should be declared external:
- Vangold.balanceOf(address) (contracts/Vangold.sol#105-107)
transfer(address,uint256) should be declared external:
- Vangold.transfer(address,uint256) (contracts/Vangold.sol#117-120)
allowance(address,address) should be declared external:
- Vangold.allowance(address,address) (contracts/Vangold.sol#125-127)
approve(address,uint256) should be declared external:
- Vangold.approve(address,uint256) (contracts/Vangold.sol#136-139)
transferFrom(address,address,uint256) should be declared external:
- Vangold.transferFrom(address,address,uint256) (contracts/Vangold.sol#153-161)
increaseAllowance(address,uint256) should be declared external:
- Vangold.increaseAllowance(address,uint256) (contracts/Vangold.sol#175-178)
decreaseAllowance(address,uint256) should be declared external:
- Vangold.decreaseAllowance(address,uint256) (contracts/Vangold.sol#194-197)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (contracts/libs/Ownable.sol#57-60)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (contracts/libs/Ownable.sol#66-70)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (contracts/libs/Ownable.sol#72-74)
Use the external attribute for functions never called from the contract.

Additional information: link

Average 30d PancakeSwap volume is low.

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

Token is deployed only at one blockchain

Token has only one trading pair

Average 30d PancakeSwap liquidity is low.

Average 30d number of PancakeSwap swaps is low.

Unable to find token on CoinGecko

Additional information: link

Unable to crawl data from the website

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 token on CoinHunt

Additional information: link

Token is not listed at Mobula.Finance

Additional information: link

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

Token has no active CoinGecko listing / rank

Token is marked as risky (blacklisted creator, fake name, dead project, etc.)

Additional information: link

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

Young tokens have high risks of price dump / death

Token has relatively low CoinMarketCap rank