FoA [Fragments of Arker] Token

Reentrancy in FragmentsOfArker._transfer(address,address,uint256) (#888-897):
External calls:
- _shield.checkAndProtectFromSnipers(recipient,sender,uniswapV2Pair) (#893)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#894)
- _balances[recipient] = _balances[recipient].add(amount) (#895)
Apply the check-effects-interactions pattern.

Additional information: link

FragmentsOfArker.allowance(address,address).owner (#808) shadows:
- Ownable.owner() (#375-377) (function)
FragmentsOfArker._approve(address,address,uint256).owner (#906) shadows:
- Ownable.owner() (#375-377) (function)
Rename the local variables that shadow another component.

Additional information: link

FragmentsOfArker.setMaxHolding(uint256) (#879-881) should emit an event for:
- _maxHolding = maxHolding (#880)
Emit an event for critical parameter changes.

Additional information: link

FragmentsOfArker.setUniswapV2Pair(address).pair (#871) lacks a zero-check on :
- uniswapV2Pair = pair (#872)
Check that the address is not zero.

Additional information: link

Reentrancy in FragmentsOfArker.transferFrom(address,address,uint256) (#817-821):
External calls:
- _transfer(sender,recipient,amount) (#818)
- _shield.checkAndProtectFromSnipers(recipient,sender,uniswapV2Pair) (#893)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#819)
- _allowances[owner][spender] = amount (#910)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in FragmentsOfArker._transfer(address,address,uint256) (#888-897):
External calls:
- _shield.checkAndProtectFromSnipers(recipient,sender,uniswapV2Pair) (#893)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#896)
Reentrancy in FragmentsOfArker.transferFrom(address,address,uint256) (#817-821):
External calls:
- _transfer(sender,recipient,amount) (#818)
- _shield.checkAndProtectFromSnipers(recipient,sender,uniswapV2Pair) (#893)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#911)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#819)
Apply the check-effects-interactions pattern.

Additional information: link

Address.isContract(address) (#453-463) uses assembly
- INLINE ASM (#459-461)
Address.verifyCallResult(bool,bytes,string) (#622-642) uses assembly
- INLINE ASM (#634-637)
Do not use evm assembly.

Additional information: link

Different versions of Solidity is used:
- Version used: ['0.8.7', '^0.8.0']
- ^0.8.0 (#6)
- ^0.8.0 (#90)
- ^0.8.0 (#116)
- ^0.8.0 (#345)
- 0.8.7 (#417)
- ^0.8.0 (#430)
- ^0.8.0 (#649)
- 0.8.7 (#740)
Use one Solidity version.

Additional information: link

Address.functionCall(address,bytes) (#506-508) is never used and should be removed
Address.functionCall(address,bytes,string) (#516-522) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#535-541) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#549-560) is never used and should be removed
Address.functionDelegateCall(address,bytes) (#595-597) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (#605-614) is never used and should be removed
Address.functionStaticCall(address,bytes) (#568-570) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#578-587) is never used and should be removed
Address.isContract(address) (#453-463) is never used and should be removed
Address.verifyCallResult(bool,bytes,string) (#622-642) is never used and should be removed
Context._msgData() (#107-109) is never used and should be removed
SafeMath.div(uint256,uint256) (#247-249) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#303-312) is never used and should be removed
SafeMath.mod(uint256,uint256) (#263-265) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#329-338) is never used and should be removed
SafeMath.mul(uint256,uint256) (#233-235) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#134-140) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (#176-181) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#188-193) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#159-169) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#147-152) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (#6) allows old versions
Pragma version^0.8.0 (#90) allows old versions
Pragma version^0.8.0 (#116) allows old versions
Pragma version^0.8.0 (#345) allows old versions
Pragma version^0.8.0 (#430) allows old versions
Pragma version^0.8.0 (#649) 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

Low level call in Address.sendValue(address,uint256) (#481-486):
- (success) = recipient.call{value: amount}() (#484)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#549-560):
- (success,returndata) = target.call{value: value}(data) (#558)
Low level call in Address.functionStaticCall(address,bytes,string) (#578-587):
- (success,returndata) = target.staticcall(data) (#585)
Low level call in Address.functionDelegateCall(address,bytes,string) (#605-614):
- (success,returndata) = target.delegatecall(data) (#612)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable FragmentsOfArker._shield (#764) is not in mixedCase
Variable FragmentsOfArker._whitelisted (#767) is not in mixedCase
Variable FragmentsOfArker._maxHolding (#768) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

FragmentsOfArker.constructor(ILiquidityShield) (#770-781) uses literals with too many digits:
- amount = 540000000000000000000000000 (#776)
FragmentsOfArker.slitherConstructorVariables() (#749-915) uses literals with too many digits:
- _maxHolding = 5400000000000000000000000 (#768)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#394-396)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#402-405)
name() should be declared external:
- FragmentsOfArker.name() (#783-785)
symbol() should be declared external:
- FragmentsOfArker.symbol() (#787-789)
decimals() should be declared external:
- FragmentsOfArker.decimals() (#791-793)
totalSupply() should be declared external:
- FragmentsOfArker.totalSupply() (#795-797)
balanceOf(address) should be declared external:
- FragmentsOfArker.balanceOf(address) (#799-801)
transfer(address,uint256) should be declared external:
- FragmentsOfArker.transfer(address,uint256) (#803-806)
approve(address,uint256) should be declared external:
- FragmentsOfArker.approve(address,uint256) (#812-815)
transferFrom(address,address,uint256) should be declared external:
- FragmentsOfArker.transferFrom(address,address,uint256) (#817-821)
increaseAllowance(address,uint256) should be declared external:
- FragmentsOfArker.increaseAllowance(address,uint256) (#823-826)
decreaseAllowance(address,uint256) should be declared external:
- FragmentsOfArker.decreaseAllowance(address,uint256) (#828-831)
burn(uint256) should be declared external:
- FragmentsOfArker.burn(uint256) (#833-835)
burnFrom(address,uint256) should be declared external:
- FragmentsOfArker.burnFrom(address,uint256) (#837-842)
recoverBNB(uint256) should be declared external:
- FragmentsOfArker.recoverBNB(uint256) (#883-886)
Use the external attribute for functions never called from the contract.

Additional information: link

Average 30d PancakeSwap volume is low.

Number of Binance Smart Chain (BSC) token holders 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

Unable to find PancakeSwap trading pair to compute liquidity.

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

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

Additional information: link

Unable to verify token contract address on the website

Unable to find token on CoinHunt

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Young tokens have high risks of price dump / death

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

Token has no active CoinGecko listing / rank

Young tokens have high risks of price dump / death

Token has relatively low CoinMarketCap rank