SQF [Sancti Quest On Frontline] Token

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

Contract ownership is not renounced (belongs to a wallet)

ERC20.constructor(string,string,uint256,uint256).name (#485) shadows:
- ERC20.name() (#494-496) (function)
ERC20.constructor(string,string,uint256,uint256).symbol (#485) shadows:
- ERC20.symbol() (#498-500) (function)
ERC20.allowance(address,address).owner (#527) shadows:
- Ownable.owner() (#351-353) (function)
ERC20._approve(address,address,uint256).owner (#583) shadows:
- Ownable.owner() (#351-353) (function)
Rename the local variables that shadow another component.

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Meltable.transferMelterAdmin(address) (#447-449) should emit an event for:
- pendingMelterAdmin = newMelter (#448)
Emit an event for critical parameter changes.

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SQFToken.setTransferFeeRate(uint256) (#771-773) should emit an event for:
- transferFeeRate = _rate (#772)
Emit an event for critical parameter changes.

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Meltable.transferMelterAdmin(address).newMelter (#447) lacks a zero-check on :
- pendingMelterAdmin = newMelter (#448)
SQFToken.setFeeAddr(address)._feeaddr (#767) lacks a zero-check on :
- feeaddr = _feeaddr (#768)
Check that the address is not zero.

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Address.isContract(address) (#212-221) uses assembly
- INLINE ASM (#219)
Address._functionCallWithValue(address,bytes,uint256,string) (#305-326) uses assembly
- INLINE ASM (#318-321)
Do not use evm assembly.

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Meltable.onlyMelter() (#418-421) compares to a boolean constant:
-require(bool,string)(_melters[msg.sender] == true,can't perform melt) (#419)
SQFToken._transfer(address,address,uint256) (#688-696) compares to a boolean constant:
-transferFeeRate > 0 && _transactionFee[recipient] == true && recipient != address(0) && feeaddr != address(0) (#689)
Remove the equality to the boolean constant.

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Different versions of Solidity is used:
- Version used: ['0.6.12', '^0.6.0', '^0.6.2']
- ^0.6.0 (#1)
- ^0.6.0 (#17)
- ^0.6.0 (#42)
- ^0.6.2 (#189)
- ^0.6.0 (#333)
- ^0.6.0 (#386)
- ^0.6.0 (#407)
- ^0.6.0 (#460)
- 0.6.12 (#654)
Use one Solidity version.

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Address._functionCallWithValue(address,bytes,uint256,string) (#305-326) is never used and should be removed
Address.functionCall(address,bytes) (#265-267) is never used and should be removed
Address.functionCall(address,bytes,string) (#275-277) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#290-292) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#300-303) is never used and should be removed
Address.isContract(address) (#212-221) is never used and should be removed
Address.sendValue(address,uint256) (#239-245) is never used and should be removed
Context._msgData() (#9-12) is never used and should be removed
ERC20._setupDecimals(uint8) (#591-593) is never used and should be removed
SafeMath.mod(uint256,uint256) (#165-167) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#181-184) is never used and should be removed
Remove unused functions.

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Pragma version^0.6.0 (#1) allows old versions
Pragma version^0.6.0 (#17) allows old versions
Pragma version^0.6.0 (#42) allows old versions
Pragma version^0.6.2 (#189) allows old versions
Pragma version^0.6.0 (#333) allows old versions
Pragma version^0.6.0 (#386) allows old versions
Pragma version^0.6.0 (#407) allows old versions
Pragma version^0.6.0 (#460) 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.sendValue(address,uint256) (#239-245):
- (success) = recipient.call{value: amount}() (#243)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#305-326):
- (success,returndata) = target.call{value: weiValue}(data) (#309)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

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Function AccountFrozenBalances._frozen_add(address,uint256) (#392-395) is not in mixedCase
Parameter AccountFrozenBalances._frozen_add(address,uint256)._account (#392) is not in mixedCase
Parameter AccountFrozenBalances._frozen_add(address,uint256)._amount (#392) is not in mixedCase
Function AccountFrozenBalances._frozen_sub(address,uint256) (#397-400) is not in mixedCase
Parameter AccountFrozenBalances._frozen_sub(address,uint256)._account (#397) is not in mixedCase
Parameter AccountFrozenBalances._frozen_sub(address,uint256)._amount (#397) is not in mixedCase
Function AccountFrozenBalances._frozen_balanceOf(address) (#402-404) is not in mixedCase
Parameter AccountFrozenBalances._frozen_balanceOf(address)._account (#402) is not in mixedCase
Variable AccountFrozenBalances.frozen_balances (#390) is not in mixedCase
Parameter SQFToken.mint(address,uint256)._to (#699) is not in mixedCase
Parameter SQFToken.mint(address,uint256)._amount (#699) is not in mixedCase
Parameter SQFToken.addTransferFeeAddress(address)._transferFeeAddress (#759) is not in mixedCase
Parameter SQFToken.removeTransferBurnAddress(address)._transferFeeAddress (#763) is not in mixedCase
Parameter SQFToken.setFeeAddr(address)._feeaddr (#767) is not in mixedCase
Parameter SQFToken.setTransferFeeRate(uint256)._rate (#771) is not in mixedCase
Follow the Solidity naming convention.

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Redundant expression "this (#10)" inContext (#4-13)
Remove redundant statements if they congest code but offer no value.

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owner() should be declared external:
- Ownable.owner() (#351-353)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#370-373)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#379-383)
melteradmin() should be declared external:
- Meltable.melteradmin() (#435-437)
addToMelters(address) should be declared external:
- Meltable.addToMelters(address) (#439-441)
removeFromMelters(address) should be declared external:
- Meltable.removeFromMelters(address) (#443-445)
transferMelterAdmin(address) should be declared external:
- Meltable.transferMelterAdmin(address) (#447-449)
claimMelterAdmin() should be declared external:
- Meltable.claimMelterAdmin() (#451-455)
name() should be declared external:
- ERC20.name() (#494-496)
symbol() should be declared external:
- ERC20.symbol() (#498-500)
decimals() should be declared external:
- ERC20.decimals() (#502-504)
availableBalance(address) should be declared external:
- ERC20.availableBalance(address) (#514-516)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#518-520)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#522-525)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#531-534)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#536-540)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#542-545)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#547-550)
mint(address,uint256) should be declared external:
- SQFToken.mint(address,uint256) (#699-701)
burn(uint256) should be declared external:
- SQFToken.burn(uint256) (#708-711)
burnFrom(address,uint256) should be declared external:
- SQFToken.burnFrom(address,uint256) (#724-730)
mintFrozenTokens(address,uint256) should be declared external:
- SQFToken.mintFrozenTokens(address,uint256) (#732-735)
transferFrozenToken(address,address,uint256) should be declared external:
- SQFToken.transferFrozenToken(address,address,uint256) (#737-748)
meltTokens(address,uint256) should be declared external:
- SQFToken.meltTokens(address,uint256) (#750-753)
destroyFrozen(address,uint256) should be declared external:
- SQFToken.destroyFrozen(address,uint256) (#755-757)
addTransferFeeAddress(address) should be declared external:
- SQFToken.addTransferFeeAddress(address) (#759-761)
removeTransferBurnAddress(address) should be declared external:
- SQFToken.removeTransferBurnAddress(address) (#763-765)
setFeeAddr(address) should be declared external:
- SQFToken.setFeeAddr(address) (#767-769)
setTransferFeeRate(uint256) should be declared external:
- SQFToken.setTransferFeeRate(uint256) (#771-773)
Use the external attribute for functions never called from the contract.

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Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.

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

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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 token on CoinGecko

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Unable to find token on CoinMarketCap

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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

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

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