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RareCircle Token

About RareCircle

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Token 3 months

RareCircles simplifies the business of NFTs so you can focus on growing your community.

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Laser Scorebeta Last Audit: 20 February 2022

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

Reentrancy in RareCircle._transfer(address,address,uint256) (RareCircle.sol#164-191):
External calls:
- swapAndCharge() (RareCircle.sol#179)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (RareCircle.sol#207-213)
External calls sending eth:
- swapAndCharge() (RareCircle.sol#179)
- address(marketingAddress).transfer(bnbBalance.mul(_LpFee).div(totalFee)) (RareCircle.sol#198)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
- _LpFee = _previousLpFee (RareCircle.sol#149)
- _LpFee = 0 (RareCircle.sol#145)
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
- _balances[sender] = _balances[sender].sub(amount) (RareCircle.sol#228)
- _balances[recipient] = _balances[recipient].add(tTransferAmount) (RareCircle.sol#229)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (RareCircle.sol#232)
Apply the check-effects-interactions pattern.

Additional information: link

RareCircle.allowance(address,address).owner (RareCircle.sol#84) shadows:
- Ownable.owner() (Ownable.sol#18-20) (function)
RareCircle._approve(address,address,uint256).owner (RareCircle.sol#156) shadows:
- Ownable.owner() (Ownable.sol#18-20) (function)
Rename the local variables that shadow another component.

Additional information: link

RareCircle.setFees(uint256) (RareCircle.sol#122-126) should emit an event for:
- _LpFee = LpFee (RareCircle.sol#125)
RareCircle.setNumTokensToSwap(uint256) (RareCircle.sol#128-131) should emit an event for:
- numTokensToSwap = amount (RareCircle.sol#130)
Emit an event for critical parameter changes.

Additional information: link

RareCircle.swapTokensForEth(uint256) (RareCircle.sol#200-214) has external calls inside a loop: path[1] = pancakeswapV2Router.WETH() (RareCircle.sol#204)
RareCircle.swapTokensForEth(uint256) (RareCircle.sol#200-214) has external calls inside a loop: pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (RareCircle.sol#207-213)
RareCircle.swapAndCharge() (RareCircle.sol#193-199) has external calls inside a loop: address(marketingAddress).transfer(bnbBalance.mul(_LpFee).div(totalFee)) (RareCircle.sol#198)
Favor pull over push strategy for external calls.

Additional information: link

Reentrancy in RareCircle._transfer(address,address,uint256) (RareCircle.sol#164-191):
External calls:
- swapAndCharge() (RareCircle.sol#179)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (RareCircle.sol#207-213)
External calls sending eth:
- swapAndCharge() (RareCircle.sol#179)
- address(marketingAddress).transfer(bnbBalance.mul(_LpFee).div(totalFee)) (RareCircle.sol#198)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
- _previousLpFee = _LpFee (RareCircle.sol#144)
Reentrancy in RareCircle.constructor() (RareCircle.sol#39-53):
External calls:
- pancakeswapV2Pair = IPancakeswapV2Factory(_pancakeswapV2Router.factory()).createPair(address(this),_pancakeswapV2Router.WETH()) (RareCircle.sol#42-43)
State variables written after the call(s):
- _balances[_msgSender()] = _tTotal (RareCircle.sol#51)
- _isExcludedFromFee[_msgSender()] = true (RareCircle.sol#49)
- _isExcludedFromFee[address(this)] = true (RareCircle.sol#50)
- pancakeswapV2Router = _pancakeswapV2Router (RareCircle.sol#46)
Reentrancy in RareCircle.transferFrom(address,address,uint256) (RareCircle.sol#93-97):
External calls:
- _transfer(sender,recipient,amount) (RareCircle.sol#94)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (RareCircle.sol#207-213)
External calls sending eth:
- _transfer(sender,recipient,amount) (RareCircle.sol#94)
- address(marketingAddress).transfer(bnbBalance.mul(_LpFee).div(totalFee)) (RareCircle.sol#198)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (RareCircle.sol#95)
- _allowances[owner][spender] = amount (RareCircle.sol#160)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in RareCircle._transfer(address,address,uint256) (RareCircle.sol#164-191):
External calls:
- swapAndCharge() (RareCircle.sol#179)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (RareCircle.sol#207-213)
External calls sending eth:
- swapAndCharge() (RareCircle.sol#179)
- address(marketingAddress).transfer(bnbBalance.mul(_LpFee).div(totalFee)) (RareCircle.sol#198)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (RareCircle.sol#233)
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
- Transfer(sender,recipient,tTransferAmount) (RareCircle.sol#235)
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
Reentrancy in RareCircle.constructor() (RareCircle.sol#39-53):
External calls:
- pancakeswapV2Pair = IPancakeswapV2Factory(_pancakeswapV2Router.factory()).createPair(address(this),_pancakeswapV2Router.WETH()) (RareCircle.sol#42-43)
Event emitted after the call(s):
- Transfer(address(0),owner(),_tTotal) (RareCircle.sol#52)
Reentrancy in RareCircle.transferFrom(address,address,uint256) (RareCircle.sol#93-97):
External calls:
- _transfer(sender,recipient,amount) (RareCircle.sol#94)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (RareCircle.sol#207-213)
External calls sending eth:
- _transfer(sender,recipient,amount) (RareCircle.sol#94)
- address(marketingAddress).transfer(bnbBalance.mul(_LpFee).div(totalFee)) (RareCircle.sol#198)
Event emitted after the call(s):
- Approval(owner,spender,amount) (RareCircle.sol#161)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (RareCircle.sol#95)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (Ownable.sol#49-54) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked until 0 days) (Ownable.sol#51)
Avoid relying on block.timestamp.

Additional information: link

RareCircle.lockTheSwap() (RareCircle.sol#33-37) has costly operations inside a loop:
- inSwap = true (RareCircle.sol#34)
RareCircle.lockTheSwap() (RareCircle.sol#33-37) has costly operations inside a loop:
- inSwap = false (RareCircle.sol#36)
RareCircle.removeAllFee() (RareCircle.sol#142-146) has costly operations inside a loop:
- _previousLpFee = _LpFee (RareCircle.sol#144)
RareCircle.removeAllFee() (RareCircle.sol#142-146) has costly operations inside a loop:
- _LpFee = 0 (RareCircle.sol#145)
RareCircle.restoreAllFee() (RareCircle.sol#148-150) has costly operations inside a loop:
- _LpFee = _previousLpFee (RareCircle.sol#149)
Use a local variable to hold the loop computation result.

Additional information: link

Context._msgData() (Context.sol#18-21) is never used and should be removed
SafeMath.div(uint256,uint256,string) (SafeMath.sol#189-194) is never used and should be removed
SafeMath.mod(uint256,uint256) (SafeMath.sol#149-151) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (SafeMath.sol#211-216) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (SafeMath.sol#20-26) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (SafeMath.sol#62-67) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (SafeMath.sol#74-79) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (SafeMath.sol#45-55) is never used and should be removed
SafeMath.trySub(uint256,uint256) (SafeMath.sol#33-38) is never used and should be removed
Remove unused functions.

Additional information: link

RareCircle._previousLpFee (RareCircle.sol#26) is set pre-construction with a non-constant function or state variable:
- _LpFee
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Pragma version^0.8.0 (Context.sol#2) allows old versions
Pragma version^0.8.0 (IBEP20.sol#3) allows old versions
Pragma version^0.8.0 (IPancakeswapV2Factory.sol#3) allows old versions
Pragma version^0.8.0 (IPancakeswapV2Router01.sol#3) allows old versions
Pragma version^0.8.0 (IPancakeswapV2Router02.sol#3) allows old versions
Pragma version^0.8.0 (Ownable.sol#2) allows old versions
Pragma version^0.8.0 (RareCircle.sol#3) allows old versions
Pragma version^0.8.0 (SafeMath.sol#2) 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

Function IPancakeswapV2Router01.WETH() (IPancakeswapV2Router01.sol#7) is not in mixedCase
Parameter RareCircle.setFees(uint256).LpFee (RareCircle.sol#122) is not in mixedCase
Variable RareCircle._isBlacklisted (RareCircle.sol#18) is not in mixedCase
Variable RareCircle._LpFee (RareCircle.sol#25) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (Context.sol#19)" inContext (Context.sol#13-23)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in RareCircle._transfer(address,address,uint256) (RareCircle.sol#164-191):
External calls:
- swapAndCharge() (RareCircle.sol#179)
- address(marketingAddress).transfer(bnbBalance.mul(_LpFee).div(totalFee)) (RareCircle.sol#198)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
- _LpFee = _previousLpFee (RareCircle.sol#149)
- _LpFee = 0 (RareCircle.sol#145)
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
- _balances[sender] = _balances[sender].sub(amount) (RareCircle.sol#228)
- _balances[recipient] = _balances[recipient].add(tTransferAmount) (RareCircle.sol#229)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (RareCircle.sol#232)
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
- _previousLpFee = _LpFee (RareCircle.sol#144)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (RareCircle.sol#233)
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
- Transfer(sender,recipient,tTransferAmount) (RareCircle.sol#235)
- _tokenTransfer(from,to,amount,takeFee) (RareCircle.sol#190)
Reentrancy in RareCircle.transferFrom(address,address,uint256) (RareCircle.sol#93-97):
External calls:
- _transfer(sender,recipient,amount) (RareCircle.sol#94)
- address(marketingAddress).transfer(bnbBalance.mul(_LpFee).div(totalFee)) (RareCircle.sol#198)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (RareCircle.sol#95)
- _allowances[owner][spender] = amount (RareCircle.sol#160)
Event emitted after the call(s):
- Approval(owner,spender,amount) (RareCircle.sol#161)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,BEP20: transfer amount exceeds allowance)) (RareCircle.sol#95)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IPancakeswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (IPancakeswapV2Router01.sol#12) is too similar to IPancakeswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (IPancakeswapV2Router01.sol#13)
Prevent variables from having similar names.

Additional information: link

RareCircle.slitherConstructorVariables() (RareCircle.sol#12-240) uses literals with too many digits:
- _tTotal = 100000000 * 10 ** 18 (RareCircle.sol#19)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

RareCircle.MAX (RareCircle.sol#20) is never used in RareCircle (RareCircle.sol#12-240)
Remove unused state variables.

Additional information: link

RareCircle._decimals (RareCircle.sol#24) should be constant
RareCircle._name (RareCircle.sol#22) should be constant
RareCircle._symbol (RareCircle.sol#23) should be constant
RareCircle._tTotal (RareCircle.sol#19) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (Ownable.sol#27-30)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (Ownable.sol#32-36)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (Ownable.sol#38-40)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (Ownable.sol#42-47)
unlock() should be declared external:
- Ownable.unlock() (Ownable.sol#49-54)
transfer(address,uint256) should be declared external:
- RareCircle.transfer(address,uint256) (RareCircle.sol#79-82)
allowance(address,address) should be declared external:
- RareCircle.allowance(address,address) (RareCircle.sol#84-86)
approve(address,uint256) should be declared external:
- RareCircle.approve(address,uint256) (RareCircle.sol#88-91)
transferFrom(address,address,uint256) should be declared external:
- RareCircle.transferFrom(address,address,uint256) (RareCircle.sol#93-97)
increaseAllowance(address,uint256) should be declared external:
- RareCircle.increaseAllowance(address,uint256) (RareCircle.sol#99-102)
decreaseAllowance(address,uint256) should be declared external:
- RareCircle.decreaseAllowance(address,uint256) (RareCircle.sol#104-107)
sendAirdrop(address[],uint256) should be declared external:
- RareCircle.sendAirdrop(address[],uint256) (RareCircle.sol#218-222)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


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


Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive.


Telegram account link seems to be invalid


Unable to find Youtube account


Unable to find Discord account

Search:


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

Additional information: link


Unable to find token/project description on the website or on BscScan, CoinMarketCap


Unable to find token contract audit


Unable to verify that token and website are owned by the same team (no listings + unable to find contract on website)


Unable to verify token contract address on the website


Unable to find audit link on the website


Unable to find whitepaper link on the website


Unable to find token on CoinGecko

Additional information: link


Unable to find token on CoinMarketCap

Additional information: link


Unable to find token on CoinHunt

Additional information: link


Unable to find code repository for the project


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


Young tokens have high risks of price dump / death

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