KOS [KOISWAP] Token

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

Contract ownership is not renounced (belongs to a wallet)

KOISWAP.clear(uint256)._owner (#716) shadows:
- Ownable._owner (#591) (state variable)
Rename the local variables that shadow another component.

Additional information: link

KOISWAP.startAirdrop(uint256,uint256,uint256,uint256) (#698-704) should emit an event for:
- aSBlock = _aSBlock (#699)
- aEBlock = _aEBlock (#700)
- aAmt = _aAmt (#701)
- aCap = _aCap (#702)
KOISWAP.startSale(uint256,uint256,uint256,uint256,uint256) (#705-712) should emit an event for:
- sSBlock = _sSBlock (#706)
- sEBlock = _sEBlock (#707)
- sChunk = _sChunk (#708)
- sPrice = _sPrice (#709)
- sCap = _sCap (#710)
Emit an event for critical parameter changes.

Additional information: link

KOISWAP.clear(uint256)._owner (#716) lacks a zero-check on :
- _owner.transfer(amount) (#717)
Check that the address is not zero.

Additional information: link

Different versions of Solidity are used:
- Version used: ['^0.8.0', '^0.8.4']
- ^0.8.4 (#1)
- ^0.8.0 (#80)
- ^0.8.0 (#109)
- ^0.8.0 (#136)
- ^0.8.0 (#442)
- ^0.8.0 (#484)
- ^0.8.0 (#576)
- ^0.8.0 (#642)
Use one Solidity version.

Additional information: link

Pausable._pause() (#554-557) is never used and should be removed
Pausable._unpause() (#566-569) is never used and should be removed
Context._msgData() (#126-129) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (#80) allows old versions
Pragma version^0.8.0 (#484) allows old versions
Pragma version^0.8.0 (#576) allows old versions
Pragma version^0.8.0 (#642) allows old versions
Pragma version^0.8.0 (#442) allows old versions
Pragma version^0.8.0 (#109) allows old versions
Pragma version^0.8.0 (#136) 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

Parameter KOISWAP.startAirdrop(uint256,uint256,uint256,uint256)._aAmt (#698) is not in mixedCase
Parameter KOISWAP.startSale(uint256,uint256,uint256,uint256,uint256)._sPrice (#705) is not in mixedCase
Parameter KOISWAP.tokenSale(address)._refer (#675) is not in mixedCase
Parameter KOISWAP.startAirdrop(uint256,uint256,uint256,uint256)._aCap (#698) is not in mixedCase
Parameter KOISWAP.getAirdrop(address)._refer (#664) is not in mixedCase
Parameter KOISWAP.startSale(uint256,uint256,uint256,uint256,uint256)._sSBlock (#705) is not in mixedCase
Parameter KOISWAP.startSale(uint256,uint256,uint256,uint256,uint256)._sChunk (#705) is not in mixedCase
Parameter KOISWAP.startAirdrop(uint256,uint256,uint256,uint256)._aEBlock (#698) is not in mixedCase
Parameter KOISWAP.startSale(uint256,uint256,uint256,uint256,uint256)._sEBlock (#705) is not in mixedCase
Parameter KOISWAP.startAirdrop(uint256,uint256,uint256,uint256)._aSBlock (#698) is not in mixedCase
Parameter KOISWAP.startSale(uint256,uint256,uint256,uint256,uint256)._sCap (#705) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#127)" inContext (#121-130)
Remove redundant statements if they congest code but offer no value.

Additional information: link

KOISWAP.tokenSale(address) (#675-689) uses literals with too many digits:
- msg.sender != _refer && balanceOf(_refer) != 0 && _refer != 0x0000000000000000000000000000000000000000 (#682)
KOISWAP.constructor() (#655-660) uses literals with too many digits:
- _mint(msg.sender,60000000000000 * 10 ** decimals()) (#656)
KOISWAP.constructor() (#655-660) uses literals with too many digits:
- _mint(address(this),40000000000000 * 10 ** decimals()) (#657)
KOISWAP.constructor() (#655-660) uses literals with too many digits:
- startSale(block.number,999999999,0,25000000000 * 10 ** decimals(),2000000000000) (#658)
KOISWAP.constructor() (#655-660) uses literals with too many digits:
- startAirdrop(block.number,999999999,5000000 * 10 ** decimals(),2000000000000) (#659)
KOISWAP.getAirdrop(address) (#664-673) uses literals with too many digits:
- msg.sender != _refer && balanceOf(_refer) != 0 && _refer != 0x0000000000000000000000000000000000000000 (#668)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#280-288)
viewSale() should be declared external:
- KOISWAP.viewSale() (#694-696)
burnFrom(address,uint256) should be declared external:
- ERC20Burnable.burnFrom(address,uint256) (#472-477)
viewAirdrop() should be declared external:
- KOISWAP.viewAirdrop() (#691-693)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#626-629)
clear(uint256) should be declared external:
- KOISWAP.clear(uint256) (#715-718)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#321-327)
symbol() should be declared external:
- ERC20.symbol() (#200-202)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#243-246)
getAirdrop(address) should be declared external:
- KOISWAP.getAirdrop(address) (#664-673)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#302-305)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#635-639)
name() should be declared external:
- ERC20.name() (#192-194)
tokenSale(address) should be declared external:
- KOISWAP.tokenSale(address) (#675-689)
totalSupply() should be declared external:
- ERC20.totalSupply() (#224-226)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#262-265)
burn(uint256) should be declared external:
- ERC20Burnable.burn(uint256) (#457-459)
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 token on CoinGecko

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Unable to find token on CoinMarketCap

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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

Unable to find Twitter link on the website

Token is not listed at Mobula.Finance

Additional information: link

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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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 scam / price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank