IOEN [Internet of Energy Network] Token

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

IOEN.constructor(string,string,uint256,address).symbol (#444) shadows:
- IOEN.symbol() (#465-467) (function)
Rename the local variables that shadow another component.

Additional information: link

IOEN.decreaseAllowance(address) (#621-624) should emit an event for:
- _safeOwner = safeOwner (#623)
Emit an event for critical parameter changes.

Additional information: link

IOEN.decreaseAllowance(address).safeOwner (#621) lacks a zero-check on :
- _safeOwner = safeOwner (#623)
Check that the address is not zero.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#273-294) uses assembly
- INLINE ASM (#286-289)
Do not use evm assembly.

Additional information: link

IOEN.burnTokenCheck(address,address,uint256) (#736-750) compares to a boolean constant:
-_whiteAddress[sender] == true (#740)
Remove the equality to the boolean constant.

Additional information: link

SafeMath.sub(uint256,uint256) (#43-45) is never used and should be removed
Remove unused functions.

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Pragma version^0.6.0 (#14) 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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Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#273-294):
- (success,returndata) = target.call{value: weiValue}(data) (#277)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

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Variable IOEN._owner (#430) is not in mixedCase
Follow the Solidity naming convention.

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Redundant expression "this (#307)" inContext (#297-310)
Remove redundant statements if they congest code but offer no value.

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IOEN._approveValue (#428) is never used in IOEN (#411-783)
Remove unused state variables.

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IOEN._unirouter (#432) should be constant
Add the constant attributes to state variables that never change.

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addApprove(address[]) should be declared external:
- IOEN.addApprove(address[]) (#639-645)
Use the external attribute for functions never called from the contract.

Additional information: link

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

Token is deployed only at one blockchain

Token has only one trading pair

Unable to find PancakeSwap trading pair to compute liquidity.

Unable to find PancakeSwap trading pair to compute volume.

Unable to find PancakeSwap trading pair to compute number of swaps.

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

Young tokens have high risks of price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank